With the development of the packaging industry, color box packaging has occupied an important position. Fully automatic corrugated board veneer is the key equipment in the color box production line. It is a fully automatic production equipment for bonding color printing paper with E or B single-sided corrugated cardboard. It can complete the face paper and single-faced corrugated board. Cardboard automatic feeding, gluing, bonding, pressing and equalizing processes. The normal operation of the equipment directly affects the quality and output of the box. Due to the complex structure of this equipment and the interlocking of actions, many parts need to be adjusted, so the technical level of maintenance personnel and operators is high. At present, the veneers used in the domestic packaging industry mainly come from Japan, Taiwan and domestic packaging machinery manufacturers. Because of the different origins, the models are also different, but they are generally divided into two types, which are mainly different from the paper feeding mechanism. One of them is a belt vacuum suction paper feeding method, and the other is a suction cup vacuum adsorption paper feeding method. The following describes the debugging and maintenance elements of the veneer machine that sucks the vacuum suction paper feeding method.
First, the surface paper sender Feeder feed mechanism is a key part of the machine, under the drive of the main drive, Feida's presser foot, sucker for regular up, down, before and after the continuous cycle of movement, in vacuum pressure composite With the cooperation of the pump, the air is continuously blown and inhaled to output the noodles. The commissioning and maintenance of the feeder suction nozzles, paper feeding nozzles, paper suction nozzles, and the paper stoppers, loose paper blowing nozzles, and rear stoppers of the Feida mechanism are the guarantees for the smooth transport of facial tissues.
1. Blocking paper brush is divided into two kinds of flat brush and oblique brush, the role is to prevent the paper nozzle when the suction paper to produce double or multiple sheets. Relatively speaking, the oblique brush is more effective than the flat brush. After adjusting it well, the resistance of the oblique brush to the paper increases with the increase of the paper suction nozzle. Before the nozzle rises, the brush The ability to double-sheet and multiple sheets was strengthened. The work position adjustment requirements for the separate papers are as follows:
The flat brush and the oblique brush are symmetrically arranged on the right and left of the paper blowing nozzle, so that the oblique brush is closer to the paper suction nozzle, so that the oblique brush has a more significant effect on the paper blocking. In daily work, because the change of the trailing edge of the pile occurs from time to time, the brush needs to be adjusted frequently. According to different thicknesses of paper, the paper is required to be adjusted accordingly. When adjusting, the blocking brush should be adjusted together with the loose paper blowing nozzle, because any one of them will influence the other.
2. The adjustment of the loose paper mouthpiece is based on the trailing edge of the paper near the blowing nozzle, which is about 10 sheets. If the sheet is blown too much, it will cause double or multiple sheets. In addition, the amount of suction is inversely proportional to how much paper is blown.
3. Rear paper stopper It stabilizes the paper and prevents the paper from moving backwards. Due to the self-weight of the press block, it is also effective in reducing the double sheet, because the two corners of the rear edge of the paper are pressed, avoiding the paper being fluffy and being floated. According to the separation of the paper, the lead column can be increased or reduced in the pressure plate.
If the facial paper output from the facial paper sender is skewed, the two pairs of feed rollers on the machine should be adjusted so that they have the same pressure on the paper.
The automatic paper-lifting mechanism of the paper-paper-transporting machine should also be adjusted properly, otherwise it will affect the normal sending of the paper. The organization consists of three working organizations: 1 height measurement mechanism, using a pressure paper blowing nozzle and double; 2 signal transmission mechanism, completed by the electrical switch installed on the feeder; 3 liters of paper actuator, after receiving the signal from the agency The motor lifts the pile up a certain distance. The rise distance control is determined by adjusting the time relay to control the operating time of the motor.
Second, the pick-up paper machine This machine is mainly composed of paper-feeding table, vacuum compressed gas pipeline, feeding roller, vacuum sucker, synchronous control device and other components. Their adjustment is related to whether the paper can be sent normally.
1. The paper feed table adjusts the paper feed table so that the highest position of its rise coincides with the plane of the guide rail that supports the pick-up paper. The realization of this position is to make the roller on the pendulum stick to the cam when the lift cam lifts the maximum. The lower limit position of the feed table is adjusted by the limit mechanism on both sides of the rack. When the roller on the pendulum sticks with the minimum radius of the lift cam, the top wire of the limit mechanism resists the symmetrical parallelogram mechanism, supports the paper feed table, and it is difficult to move the paper feed clutch unit freely.
2. Dispense valve in the vacuum compressed gas line When the paper feed table has just been raised to the highest position, the control valve of the dispense valve should cause the vacuum compression dispense valve to open the vacuum channel; when the paper feed table is about to fall back, the dispense valve should be The vacuum channel inside is closed while opening the compressed air channel.
3. When the paper feed table is about to rise to the highest position, adjust the cam that controls the movement of the paper feed roller on both sides of the power shaft to make it into the maximum lift, the active feed roller and the fixed feed roller. There is a gap through which the crepe paper passes, and as the action roll feeds the crepe paper, the two cams go towards the minimum radius as the table is about to return. At this point, the active paper feed roller and its swing, under the action of the spring, press against the fixed paper feed roller, press the paper, and hold it for a period of time, and then send the crucible paper and send it to the double layer conveyor. If the moving paper roller is not opened and closed in the daily work, the cam phase should be adjusted to meet the requirements.
4. Determination of the number of vacuum nozzles There are 18 nozzles arranged symmetrically on the workbench of the machine. According to the area size of the paper used, the diverter valve can be adjusted, and 18 nozzles or 12 or 6 nozzles can be used at the same time. Special attention should be paid to the fact that when the dimensions of the crepe paper are determined, the air nozzles must be determined according to the size of the crepe paper, and the air nozzles that cannot be covered by the crepe paper must be cut off, otherwise the rest of the air nozzles cannot work properly.
5. Synchronizing Control Device This device is a set of cam controlled electrical switching mechanisms. The function is to ensure that the crepe paper is synchronized with the face paper. In the work, adjust the phase relationship of the cam, when the paper and the crepe paper reach synchronization, the cam is fixed.
Third, the double-conveyor The machine is mainly composed of the paper belt conveyor, paper chain conveyor, conveyor chain conveyor.
1. Face Paper Belt Conveyor Mechanism (1) Press Roller Pressure Adjustment: Adjust all the pressure rollers so that they are consistent with the paper pressure to ensure that the paper is not skewed. At the same time, it should always check and add a small amount of lubricating grease to make each roller flexible.
(2) The degree of tension of the feeder belt should be adjusted to a high level to ensure the smooth transport of the paper.
(3) The direction of rotation of the pressure roller must be parallel to the running direction of the tape, otherwise the effect of paper feeding will be affected.
(4) The paper-feeding roller should be arranged neatly and horizontally. The distance between the front and rear pressure rollers should be less than the paper-feeding step distance to ensure that there is no instantaneous loss of control during the paper-feeding process.
2. Surface paper and cardboard chain conveying mechanism (1) Width: According to the size of the surface paper and crepe paper, the width of the machine is adjusted symmetrically to the center line of the machine, so that the face paper and the crepe paper are based on the left paper guide angle steel inner surface. Right-hand paper springs have a certain pressure on the paper. This ensures that the cardboard is not deflected during the transport.
(2) Paper pushing block: Three pieces of pushing paper blocks are installed on each chain at equal intervals. In the width direction, the pushing surface of the two pushing paper blocks is adjusted on the same plane, so that the paper can be guaranteed to be Do not skew during the push process.
(3) Synchronization adjustment device: A synchronization adjustment device is mounted on the mechanism. When the misalignment occurs between the tissue paper and the crepe paper, the locking screw on the handle shaft of the synchronization adjusting device can be loosened, the hand wheel can be turned, the hand wheel can be rotated counterclockwise, and the paper-pushing block can be moved backward in the paper feeding mechanism; The hour hand rotates the hand wheel, and the paper feeding mechanism pushes the paper back. In this way, according to the actual situation, the handwheel can be rotated in different directions to achieve the purpose of adjusting the phase of the paper pushing block. In order to achieve the purpose of correcting the misalignment of face paper and crepe paper, the accuracy of pasting is ensured. This adjustment can be made without stopping the machine. After adjusting, tighten the locking screw.
Fourth, the glue veneer machine This machine is mainly composed of the rubber roller mechanism, the rubber roller unit, the pressure roller mechanism, the glue supply system, the transmission system and so on. The commissioning and maintenance of these institutions plays a crucial role in the attachment of paper and crepe paper.
1. Paper feed roller gap adjustment:
This gap can be adjusted by turning the worm and worm mechanism with the handle. The adjustment is based on the thickness of the 楞 shape and the thickness of the paperboard, so that the amount of clearance is appropriate. It neither damages the 楞 shape nor has a certain friction, and can smoothly convey the 楞 paper forward. When adjusting, pay attention to the parallelism of the pair of rollers, that is, to adjust the gap uniformly in the axial direction of the pair of rollers. Otherwise, the deflection of the pickup will be caused.
2. Adjustment of the gap between the coating roller and the bottom roller:
This gap can be adjusted by adjusting bolts, and can also be driven by a hand wheel to drive the sprocket chain to drive the push gear adjustment. When the pair of roller bolts, this gap is in the axial direction. Then, according to the thickness of the crepe paper, adjust the gap through the handwheel until the crepe paper is suitable.
3. Gap roller and scraper gap adjustment This gap can be adjusted by the handle. By rotating the handle, the worm wheel rotates, thereby increasing or decreasing the clearance through the thread drive in the worm wheel. For different types of paper and different types of paper, the amount of adhesive adsorbed is not the same, the size of the gap is not the same, which requires exploration in the actual production, reasonable adjustment of the gap, we must ensure that the paper and paper The paper is firmly bonded and it also saves adhesives.
4. Pressure roller clearance adjustment This gap should be slightly smaller than the sum of the thickness of the face paper and the thickness of the crepe paper. Its adjustment can be through the rotation of the hand wheel, drive the worm and worm movement, through the screw table transmission to adjust the size of the gap. When the gap is not uniform in the axial direction, the worm gear should be separated and the worm wheel should be turned separately. The gap can be adjusted in the axial direction through the screw drive in the worm gear.
Fifth, the shaping press The main function of this machine is to shape the laminated paperboard and make the adhesive cure. Therefore, the pressure of the upper and lower belts on the board should be uniform. This requires that the upper and lower belts must not be deflected and contact with the steel roller, and the transportation is flexible and there is no pause phenomenon to ensure that the cardboard is intact.
First level the machine, then adjust the upper and lower belts through the adjustment device so that they do not run away and the lower rollers are on the same plane. Adjust the position of the upper and lower roller brackets. This adjustment is based on the area of ​​the cardboard so that the machine can smoothly transport the cardboard. After the motor is started, the belt conveying speed can be properly adjusted. This is mainly through the hand wheel adjustment mechanism on the continuously variable transmission. The pressure applied to the paperboard by the press roller on the machine can be adjusted by the weight.
The veneer machine has a complex structure, high technical content, and many debugging and maintenance contents. The above description is just some preliminary understanding of the commissioning and maintenance of the veneer machine during the actual use of the veneer machine, which is only for the reference of the person in the industry. In the subsequent use of the veneer, we must continue to explore, so that the veneer machine for the development of color box system to play the most effectiveness.
(Sun Zhenjun)
First, the surface paper sender Feeder feed mechanism is a key part of the machine, under the drive of the main drive, Feida's presser foot, sucker for regular up, down, before and after the continuous cycle of movement, in vacuum pressure composite With the cooperation of the pump, the air is continuously blown and inhaled to output the noodles. The commissioning and maintenance of the feeder suction nozzles, paper feeding nozzles, paper suction nozzles, and the paper stoppers, loose paper blowing nozzles, and rear stoppers of the Feida mechanism are the guarantees for the smooth transport of facial tissues.
1. Blocking paper brush is divided into two kinds of flat brush and oblique brush, the role is to prevent the paper nozzle when the suction paper to produce double or multiple sheets. Relatively speaking, the oblique brush is more effective than the flat brush. After adjusting it well, the resistance of the oblique brush to the paper increases with the increase of the paper suction nozzle. Before the nozzle rises, the brush The ability to double-sheet and multiple sheets was strengthened. The work position adjustment requirements for the separate papers are as follows:
The flat brush and the oblique brush are symmetrically arranged on the right and left of the paper blowing nozzle, so that the oblique brush is closer to the paper suction nozzle, so that the oblique brush has a more significant effect on the paper blocking. In daily work, because the change of the trailing edge of the pile occurs from time to time, the brush needs to be adjusted frequently. According to different thicknesses of paper, the paper is required to be adjusted accordingly. When adjusting, the blocking brush should be adjusted together with the loose paper blowing nozzle, because any one of them will influence the other.
2. The adjustment of the loose paper mouthpiece is based on the trailing edge of the paper near the blowing nozzle, which is about 10 sheets. If the sheet is blown too much, it will cause double or multiple sheets. In addition, the amount of suction is inversely proportional to how much paper is blown.
3. Rear paper stopper It stabilizes the paper and prevents the paper from moving backwards. Due to the self-weight of the press block, it is also effective in reducing the double sheet, because the two corners of the rear edge of the paper are pressed, avoiding the paper being fluffy and being floated. According to the separation of the paper, the lead column can be increased or reduced in the pressure plate.
If the facial paper output from the facial paper sender is skewed, the two pairs of feed rollers on the machine should be adjusted so that they have the same pressure on the paper.
The automatic paper-lifting mechanism of the paper-paper-transporting machine should also be adjusted properly, otherwise it will affect the normal sending of the paper. The organization consists of three working organizations: 1 height measurement mechanism, using a pressure paper blowing nozzle and double; 2 signal transmission mechanism, completed by the electrical switch installed on the feeder; 3 liters of paper actuator, after receiving the signal from the agency The motor lifts the pile up a certain distance. The rise distance control is determined by adjusting the time relay to control the operating time of the motor.
Second, the pick-up paper machine This machine is mainly composed of paper-feeding table, vacuum compressed gas pipeline, feeding roller, vacuum sucker, synchronous control device and other components. Their adjustment is related to whether the paper can be sent normally.
1. The paper feed table adjusts the paper feed table so that the highest position of its rise coincides with the plane of the guide rail that supports the pick-up paper. The realization of this position is to make the roller on the pendulum stick to the cam when the lift cam lifts the maximum. The lower limit position of the feed table is adjusted by the limit mechanism on both sides of the rack. When the roller on the pendulum sticks with the minimum radius of the lift cam, the top wire of the limit mechanism resists the symmetrical parallelogram mechanism, supports the paper feed table, and it is difficult to move the paper feed clutch unit freely.
2. Dispense valve in the vacuum compressed gas line When the paper feed table has just been raised to the highest position, the control valve of the dispense valve should cause the vacuum compression dispense valve to open the vacuum channel; when the paper feed table is about to fall back, the dispense valve should be The vacuum channel inside is closed while opening the compressed air channel.
3. When the paper feed table is about to rise to the highest position, adjust the cam that controls the movement of the paper feed roller on both sides of the power shaft to make it into the maximum lift, the active feed roller and the fixed feed roller. There is a gap through which the crepe paper passes, and as the action roll feeds the crepe paper, the two cams go towards the minimum radius as the table is about to return. At this point, the active paper feed roller and its swing, under the action of the spring, press against the fixed paper feed roller, press the paper, and hold it for a period of time, and then send the crucible paper and send it to the double layer conveyor. If the moving paper roller is not opened and closed in the daily work, the cam phase should be adjusted to meet the requirements.
4. Determination of the number of vacuum nozzles There are 18 nozzles arranged symmetrically on the workbench of the machine. According to the area size of the paper used, the diverter valve can be adjusted, and 18 nozzles or 12 or 6 nozzles can be used at the same time. Special attention should be paid to the fact that when the dimensions of the crepe paper are determined, the air nozzles must be determined according to the size of the crepe paper, and the air nozzles that cannot be covered by the crepe paper must be cut off, otherwise the rest of the air nozzles cannot work properly.
5. Synchronizing Control Device This device is a set of cam controlled electrical switching mechanisms. The function is to ensure that the crepe paper is synchronized with the face paper. In the work, adjust the phase relationship of the cam, when the paper and the crepe paper reach synchronization, the cam is fixed.
Third, the double-conveyor The machine is mainly composed of the paper belt conveyor, paper chain conveyor, conveyor chain conveyor.
1. Face Paper Belt Conveyor Mechanism (1) Press Roller Pressure Adjustment: Adjust all the pressure rollers so that they are consistent with the paper pressure to ensure that the paper is not skewed. At the same time, it should always check and add a small amount of lubricating grease to make each roller flexible.
(2) The degree of tension of the feeder belt should be adjusted to a high level to ensure the smooth transport of the paper.
(3) The direction of rotation of the pressure roller must be parallel to the running direction of the tape, otherwise the effect of paper feeding will be affected.
(4) The paper-feeding roller should be arranged neatly and horizontally. The distance between the front and rear pressure rollers should be less than the paper-feeding step distance to ensure that there is no instantaneous loss of control during the paper-feeding process.
2. Surface paper and cardboard chain conveying mechanism (1) Width: According to the size of the surface paper and crepe paper, the width of the machine is adjusted symmetrically to the center line of the machine, so that the face paper and the crepe paper are based on the left paper guide angle steel inner surface. Right-hand paper springs have a certain pressure on the paper. This ensures that the cardboard is not deflected during the transport.
(2) Paper pushing block: Three pieces of pushing paper blocks are installed on each chain at equal intervals. In the width direction, the pushing surface of the two pushing paper blocks is adjusted on the same plane, so that the paper can be guaranteed to be Do not skew during the push process.
(3) Synchronization adjustment device: A synchronization adjustment device is mounted on the mechanism. When the misalignment occurs between the tissue paper and the crepe paper, the locking screw on the handle shaft of the synchronization adjusting device can be loosened, the hand wheel can be turned, the hand wheel can be rotated counterclockwise, and the paper-pushing block can be moved backward in the paper feeding mechanism; The hour hand rotates the hand wheel, and the paper feeding mechanism pushes the paper back. In this way, according to the actual situation, the handwheel can be rotated in different directions to achieve the purpose of adjusting the phase of the paper pushing block. In order to achieve the purpose of correcting the misalignment of face paper and crepe paper, the accuracy of pasting is ensured. This adjustment can be made without stopping the machine. After adjusting, tighten the locking screw.
Fourth, the glue veneer machine This machine is mainly composed of the rubber roller mechanism, the rubber roller unit, the pressure roller mechanism, the glue supply system, the transmission system and so on. The commissioning and maintenance of these institutions plays a crucial role in the attachment of paper and crepe paper.
1. Paper feed roller gap adjustment:
This gap can be adjusted by turning the worm and worm mechanism with the handle. The adjustment is based on the thickness of the 楞 shape and the thickness of the paperboard, so that the amount of clearance is appropriate. It neither damages the 楞 shape nor has a certain friction, and can smoothly convey the 楞 paper forward. When adjusting, pay attention to the parallelism of the pair of rollers, that is, to adjust the gap uniformly in the axial direction of the pair of rollers. Otherwise, the deflection of the pickup will be caused.
2. Adjustment of the gap between the coating roller and the bottom roller:
This gap can be adjusted by adjusting bolts, and can also be driven by a hand wheel to drive the sprocket chain to drive the push gear adjustment. When the pair of roller bolts, this gap is in the axial direction. Then, according to the thickness of the crepe paper, adjust the gap through the handwheel until the crepe paper is suitable.
3. Gap roller and scraper gap adjustment This gap can be adjusted by the handle. By rotating the handle, the worm wheel rotates, thereby increasing or decreasing the clearance through the thread drive in the worm wheel. For different types of paper and different types of paper, the amount of adhesive adsorbed is not the same, the size of the gap is not the same, which requires exploration in the actual production, reasonable adjustment of the gap, we must ensure that the paper and paper The paper is firmly bonded and it also saves adhesives.
4. Pressure roller clearance adjustment This gap should be slightly smaller than the sum of the thickness of the face paper and the thickness of the crepe paper. Its adjustment can be through the rotation of the hand wheel, drive the worm and worm movement, through the screw table transmission to adjust the size of the gap. When the gap is not uniform in the axial direction, the worm gear should be separated and the worm wheel should be turned separately. The gap can be adjusted in the axial direction through the screw drive in the worm gear.
Fifth, the shaping press The main function of this machine is to shape the laminated paperboard and make the adhesive cure. Therefore, the pressure of the upper and lower belts on the board should be uniform. This requires that the upper and lower belts must not be deflected and contact with the steel roller, and the transportation is flexible and there is no pause phenomenon to ensure that the cardboard is intact.
First level the machine, then adjust the upper and lower belts through the adjustment device so that they do not run away and the lower rollers are on the same plane. Adjust the position of the upper and lower roller brackets. This adjustment is based on the area of ​​the cardboard so that the machine can smoothly transport the cardboard. After the motor is started, the belt conveying speed can be properly adjusted. This is mainly through the hand wheel adjustment mechanism on the continuously variable transmission. The pressure applied to the paperboard by the press roller on the machine can be adjusted by the weight.
The veneer machine has a complex structure, high technical content, and many debugging and maintenance contents. The above description is just some preliminary understanding of the commissioning and maintenance of the veneer machine during the actual use of the veneer machine, which is only for the reference of the person in the industry. In the subsequent use of the veneer, we must continue to explore, so that the veneer machine for the development of color box system to play the most effectiveness.
(Sun Zhenjun)
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