CN111453520A - Automatic change screening mask machine dyestripping control system - Google Patents
Automatic change screening mask machine dyestripping control system Download PDFInfo
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- CN111453520A CN111453520A CN202010280361.1A CN202010280361A CN111453520A CN 111453520 A CN111453520 A CN 111453520A CN 202010280361 A CN202010280361 A CN 202010280361A CN 111453520 A CN111453520 A CN 111453520A
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- adsorption
- adjusting unit
- control module
- protective sheet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
- B65H37/04—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
- B65H23/1825—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations and controlling web tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/34—Apparatus for taking-out curl from webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H41/00—Machines for separating superposed webs
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
The invention relates to the technical field of paster, and particularly discloses a film tearing control system of an automatic protection laminating machine, which is connected to a rack of the automatic protection laminating machine and comprises an unreeling part, a transmission unit, an adsorption part, an adjusting unit and a deviation correcting unit; the unwinding part comprises an unwinding roller, a separation block and a recovery roller, and the unwinding roller and the recovery roller are rotationally connected to the rack; the separating block is fixedly connected to the frame; the transmission unit is connected to the rack and can drive the adsorption part to be close to or far away from the separation block; the adsorption part comprises an adsorption plate which can be attached to the protective sheet, and adsorption holes are formed in the adsorption plate and communicated with a negative pressure unit; the deviation rectifying unit is used for controlling the adjusting unit to drive the adsorption part to move according to the deviation amount of the actual position and the target position of the protection plate so as to realize the deviation rectifying function. This scheme is used for solving among the prior art artifical inefficiency that tears screening glass existence and tear the problem of screening glass easily.
Description
Technical Field
The invention relates to the technical field of patches, in particular to a film tearing control system of an automatic protective sheet sticking machine.
Background
In order to ensure that the electric elements and circuits on the soft board are not damaged before installation, a protection sheet (made of transparent PVC material and soft in texture) needs to be adhered on the soft board so as to prevent the soft board from being damaged.
In the prior art, the traditional mode of pasting the protection sheet to the soft board is mainly carried out manually, for example, take the protection sheet that has the basement membrane manually, in using, tear off every piece of protection sheet from every piece of basement membrane, but there is pasting inefficiency easily in manual operation's mode, the protection sheet tears bad (the protection sheet is soft and thin, when the manual work tears the protection sheet from the basement membrane of pasting, because of protection sheet and basement membrane paste, need make one of them corner position perk of protection sheet earlier so that protection sheet and basement membrane separate, but protection sheet and basement membrane are all thin and soft thing, the workman often adopts the mode of kneading to make a corner position of protection sheet rise, but such mode makes the corner position of protection sheet take place the pincher trees and damages very easily), viscose protection sheet position adhesion dust leads to pasting insecure scheduling problem.
Disclosure of Invention
The invention aims to provide a film tearing control system of an automatic protective film sticking machine, which aims to solve the problems of low efficiency and easy tearing of a protective film existing in the manual tearing of the protective film in the prior art.
In order to achieve the above object, the basic scheme of the invention is as follows:
the film tearing control system of the automatic protection laminating machine is connected to a rack of the automatic protection laminating machine and comprises an unreeling part, a transmission unit, an adsorption part, an adjusting unit and a deviation correcting unit; the unwinding part comprises an unwinding roller, a separation block and a recovery roller, and the unwinding roller and the recovery roller are rotationally connected to the rack; the separating block is fixedly connected to the frame; the transmission unit is connected to the rack and can drive the adsorption part to be close to or far away from the separation block; the adsorption part comprises an adsorption plate which can be attached to the protective sheet, and adsorption holes are formed in the adsorption plate and communicated with a negative pressure unit; the deviation rectifying unit is used for controlling the adjusting unit to drive the adsorption part to move according to the deviation amount of the actual position and the target position of the protection plate so as to realize the deviation rectifying function.
Compare the beneficial effect in prior art:
when the scheme is adopted, the protection plates are firstly pasted on the continuous basement membrane at intervals to form the protection belt, and the protection plates and the basement membrane are both made of soft materials, so that the protection belt can be wound into a protection roll; then, a protective roll is sleeved on the unwinding roller, and after the protective tape is unwound from the protective roll, the protective tape passes through the separating block, so that the basement membrane of the protective tape is attached to the upper surface of the separating block, and the protective sheet is positioned on the basement membrane; after an adsorption plate of the adsorption part is attached to the protective sheet, the negative pressure unit is started, the adsorption plate and the protective sheet are tightly sucked under negative pressure through the negative pressure of the negative pressure unit, the adsorption part adsorbed with the protective sheet is driven to be far away from the separation block through the transmission unit, the protective sheet is further removed from the bottom film, and the bottom film torn off the protective sheet is wound and recovered by the recovery roller; compared with the prior art, the protective film peeling machine has the advantages that the protective film can be automatically torn off from the bottom film, and the production efficiency is improved.
In this scheme, the screening glass is by the adsorption hole on the adsorption plate, separation piece and transmission unit simultaneous action and tear from the basement membrane, does not need artifical hand to reveal the perk to the corner of each screening glass, therefore compares in the artifical screening glass condition of tearing that the screening glass exists of tearing down, and this scheme can avoid the condition of screening glass by the tear.
In addition, when the protective tape is unreeled, the protective tape possibly shifts forwards and backwards to be deflected, the deviation correcting unit in the scheme can detect the deviation condition of the protective sheet, and the deviation correcting unit is used for correcting the deviation of the protective sheet, so that the accuracy of the later stage of the protective sheet and the pasting position of the soft board is ensured.
Furthermore, the transmission unit is connected with a connecting seat, and drives the connecting seat to move; the adsorption part also comprises a lifting unit, the lifting unit is fixedly connected to the connecting seat, the lifting unit is connected with the adsorption plate, and the lifting unit drives the adsorption plate to lift; the frame is provided with a workbench which is positioned below the adsorption plate.
Has the advantages that: the adsorption plate is driven by the lifting unit to move up and down, so that the protection plate can be conveniently adhered to the soft plate on the workbench.
Furthermore, the deviation rectifying unit comprises an image acquisition module, an image processing module and a control module, wherein the image acquisition module is used for acquiring image data at the position of the protective sheet on the adsorption plate, the image acquisition module is in signal connection with the image processing module, the image processing module is electrically connected with the control module, and the control module is electrically connected with the adjusting unit; the image processing module is used for calculating the actual position of the protection plate on the adsorption plate according to the image data, the image processing module compares the actual position of the protection plate with a preset target position to obtain the offset of the protection plate, the image processing module calculates the required motion amount based on the offset, the image processing module sends the required motion amount to the control module, and the control module controls the adjusting unit to drive the adsorption part to move based on the required motion amount to realize the deviation rectifying function.
Has the advantages that: the correction function is realized through the image acquisition module, the image processing module and the control module.
Furthermore, the lifting unit comprises a first driver and a lifting assembly, and the first driver drives the lifting assembly to lift; the adjusting unit also comprises an angle adjusting unit, the angle adjusting unit is connected to the lifting assembly and comprises a second driver and a rotating shaft, the second driver and the lifting assembly synchronously lift, the second driver drives the rotating shaft to rotate, and the rotating shaft is fixedly connected with the adsorption plate; the offset comprises an angle offset, the required movement amount comprises an angle rotation amount, and the image processing module sends the angle rotation amount to the control module; the control module is electrically connected with the second driver, and the control module controls the second driver of the angle adjusting unit to drive the adsorption plate to rotate based on the angle rotation amount so as to compensate the angle deviation generated by the protection sheet.
Has the advantages that: when the protective belt has angular deviation, the angle adjusting unit is controlled by the deviation rectifying unit to drive the adsorption plate to rotate so as to correct the angular deviation of the protective belt.
Furthermore, the adjusting unit comprises an axial adjusting unit, the axial adjusting unit is connected to the rack, the workbench is connected to the axial adjusting unit, the axial adjusting unit drives the workbench to move, and the moving direction of the workbench is perpendicular to the lifting direction of the lifting unit and the moving direction of the adsorption part driven by the transmission unit; the offset also comprises position offset, the required movement amount also comprises position movement amount, and the image processing module sends the position movement amount to the control module; the control module is electrically connected with the axial adjusting unit, the control module is electrically connected with the transmission unit, and the control module controls the axial adjusting unit to drive the workbench to move and controls the transmission unit to drive the adsorption part to move based on the position moving amount so as to compensate the position deviation generated by the protection sheet.
Has the advantages that: through setting up axial adjustment unit, lift unit and transmission unit for the removal of three direction can be realized to the frame to the adsorption plate, and then makes constantly unreeling and probably having under the condition of skew at the protective tape, can drive the removal of workstation and control transmission unit drive adsorption element's removal through the unit control axial adjustment unit of rectifying, compensates the position deviation that the protective tape produced.
Further, the image acquisition module includes camera and light source, camera and image processing module signal connection, and the camera is installed in the frame, and the camera is used for gathering the image data of protecting the piece department on the adsorption plate.
Has the advantages that: the camera collects image data, and the light source can improve the quality of the image collected by the camera.
Further, a photoelectric sensor is arranged on the rack and electrically connected with the control module, and the control module is used for stopping the unreeling action of the unreeling part, starting the lifting unit to drive the adsorption plate to move downwards to the protection sheet on the separation block and starting the negative pressure unit to generate negative pressure when the photoelectric sensor detects that the protection sheet exists on the separation block.
Has the advantages that: through the cooperation of photoelectric sensor, control module and unreeling part, realize unreeling the automatic of part and open and stop and tear the control to lift unit and negative pressure unit when the screening glass from the basement membrane when needing.
Further, a stretching plate is further arranged between the unwinding roller and the separating block, a tight suction hole is formed in the stretching plate, and the tight suction hole is communicated with the negative pressure unit.
Has the advantages that: the protective belt is tightly adsorbed by the tight-absorbing holes formed in the uncoiling plate, so that the protective belt cannot be easily wrinkled in the process of continuously uncoiling the protective belt, and the degree of deflection caused by the fact that the protective belt displaces forwards and backwards in the uncoiling process can be reduced.
Furthermore, a traction pair roller is arranged between the recovery roller and the separation block; the double rollers are pulled to be used as power for unreeling the protective belt, so that the protective belt is convenient to unreel.
Further, still fixedly connected with blowing pipe in the frame, the blowing pipe is located the separation piece below, is equipped with a plurality of trompil gas pocket up on the blowing pipe, and the blowing pipe intercommunication has the air pump.
Has the advantages that: provide wind-force for the blowing pipe through the air pump for wind energy on the blowing pipe blows to being adsorbed the screening glass bottom by the adsorption plate along the gas pocket, and then avoids dust to fall the bottom of screening glass around, has guaranteed the clean and tidy of screening glass viscose position, and then solves screening glass viscose position and leads to pasting insecure problem with the soft board because of the adhesion dust.
Drawings
FIG. 1 is an isometric view of a first embodiment of the invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an isometric view of an alternate embodiment of the invention;
FIG. 4 is an isometric view of an alternative angle of an absorbent member according to one embodiment of the present invention;
FIG. 5 is a front view of FIG. 4;
FIG. 6 is an isometric view of a second embodiment of the invention;
FIG. 7 is an enlarged view of portion A of FIG. 6;
FIG. 8 is a front view of FIG. 6;
fig. 9 is an enlarged schematic view of a portion B in fig. 8.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a rack 1, an unwinding roller 11, a separation block 12, a recovery roller 13, a protective roll 14, a traction pair roller 15, a magnetic powder clutch 16, a flattening plate 17, a bottom film 18, a blowing pipe 19, an air hole 191, a workbench 2, a ball screw sliding table 3, a lifting unit 4, an angle adjusting unit 5, an adsorption plate 6, a connecting seat 31, a first driver 41, a lifting assembly 42, a connecting plate 43, a middle clamping block 44, a second driver 51, a rotating shaft 52, a pressing block 53, a connecting cavity 61, an adsorption hole 62, an axial adjusting unit 7, a sliding rail 72, a camera 81 and a mounting box 82.
Example one
An embodiment substantially as described herein with reference to figures 1 to 5 of the accompanying drawings:
with reference to fig. 1 to 3, the film tearing control system of the automatic protective sheet sticking machine is installed on a rack 1 of the automatic protective sheet sticking machine, and comprises an unwinding part, a transmission unit, an adsorption part, an adjusting unit and a deviation correcting unit, wherein the unwinding part, the transmission unit and the deviation correcting unit are all installed on the rack 1.
The unwinding part is installed on the left side of the frame 1 and comprises an unwinding roller 11, a guide roller, a flattening plate 17, a separating block 12, a traction pair roller 15 and a recovery roller 13, and the unwinding roller 11 is coaxially connected with a magnetic powder clutch 16 (the magnetic powder clutch 16 is used for realizing real-time adjustment of the tensioning condition of a protective belt on the unwinding roller 11 when the protective belt is unwound with a tension sensor and an automatic tension controller).
The separation block 12 is fixedly connected to the machine frame 1 through screws, the separation block 12 is positioned at the right side of the unwinding roller 11, the traction pair roller 15 and the recovery roller 13, and a separation tip (the separation tip faces the right side of the machine frame 1) convenient for separating the basement membrane 18 from the protection sheet is integrally formed on the separation block 12.
The flattening plate 17 is fixedly connected to the frame 1 through screws, the flattening plate 17 is located between the unwinding roller 11 and the separation block 12, a plurality of tightening holes with openings facing upwards are formed in the flattening plate 17, the upper surface of the flattening plate 17 is parallel to the upper surface of the separation block 12, the tightening holes are communicated with a negative pressure unit, and the negative pressure unit is a vacuum pump.
The traction double-roll 15 is positioned between the recovery roll 13 and the separation block 12, the traction double-roll 15 is driven by a motor, and the rotating shaft of the recovery roll 13 is connected with the motor which drives the traction double-roll 15 to rotate through a belt.
The transmission unit is installed in frame 1, and the transmission unit adopts horizontal ball screw slip table 3, and ball screw slip table 3 passes through screw fixed connection in frame 1, and ball screw slip table 3 is driven by step motor, has connecting seat 31 through the screw connection on ball screw slip table 3's the output slider.
Install the adsorption element on connecting seat 31, the adsorption element includes lift unit 4 and adsorption plate 6, and ball screw slip table 3 can drive adsorption element lateral shifting (also remove about, also called along the removal of Y axle).
With reference to fig. 4 and 5, the lifting unit 4 includes a first driver 41 and a lifting assembly 42, the first driver 41 employs a vertically arranged linear motor, and the linear motor is fixedly connected to the connecting seat 31 through a screw; the linear motor drives the lifting component 42 to move up and down; the lifting assembly 42 comprises a moving block and a connecting plate 43 (the moving block is an output sliding block on the linear motor), the connecting plate 43 is connected to the moving block through a screw, the first driver 41 drives the moving block to vertically move (namely to move up and down, namely to move along the Z axis), and the connecting plate 43 moves along with the moving block.
The connecting plate 43 is fixedly connected with a middle clamping block 44 through screws.
The adjusting unit comprises an axial adjusting unit 7 and an angle adjusting unit 5, and the angle adjusting unit 5 is mounted on the middle clamping block 44. Angle adjusting unit 5 includes two 51 and the pivot 52 of vertical setting of driver, two 51 servo motor that adopt of driver, two 51 of driver pass through screw fixed connection on middle clamp splice 44, two 51 synchronous lifts with lifting unit 42 of driver, two 51 output shafts of driver pass through the shaft coupling and are connected with pivot 52, two 51 drive pivot 52 rotations of driver, pivot 52 passes middle clamp splice 44, there is briquetting 53 bottom of pivot 52 through screw connection, briquetting 53 bottom passes through screw fixed connection adsorption plate 6, drive adsorption plate 6 at the horizontal plane internal rotation (also make adsorption plate 6 rotatory along the Z axle) through angle adjusting unit 5.
Referring to fig. 3, a worktable 2 is mounted on the frame 1, the worktable 2 is located below the adsorption plate 6, and the worktable 2 is located on the right side of the frame 1.
The axial adjusting unit 7 is installed on the right side of the rack 1, the axial adjusting unit 7 comprises a third driver and a sliding rail 72, the third driver is installed on the rack 1, the third driver adopts a linear motor, the workbench 2 is connected to the sliding rail 72 in a sliding mode, the workbench 2 is fixedly connected to an output sliding block of the linear motor through screws, and the third driver drives the workbench 2 to slide along the front and back direction of the rack 1 (the movement along the front and back direction is also called the movement along the X axis).
The deviation rectifying unit comprises an image acquisition module, an image processing module and a control module, the image acquisition module comprises a camera 81 and a light source, the camera 81 is in signal connection with the image processing module, the camera 81 is used for acquiring image data at a protection plate on the adsorption plate 6, and the light source is used for improving the image quality acquired by the camera 81; the light source is arranged on a mounting box 82 arranged below the separation block 12 (the mounting box 82 is fixed on the frame 1); the image processing module is electrically connected with the control module, the control module is electrically connected with the second driver 51 of the angle adjusting unit 5, the control module is electrically connected with the third driver of the axial adjusting unit 7, and the control module is electrically connected with the stepping motor of the ball screw sliding table 3.
The image processing module is used for calculating the actual position of the protection sheet on the adsorption plate 6 according to the image data, the image processing module compares the actual position of the protection sheet with a preset target position to obtain the angle offset and the position offset of the protection sheet, the image processing module calculates the required movement amount (the required movement amount comprises the angle rotation amount and the position movement amount, and the position movement amount comprises the position movement amount along the X axis and the position movement amount along the Y axis) based on the angle offset and the position offset, the image processing module sends the angle rotation amount and the position movement amount to the control module, and the control module controls the second driver 51 of the angle adjusting unit 5 to drive the adsorption plate 6 to rotate to compensate the angle deviation generated by the protection sheet based on the angle rotation; the control module controls the driver III of the axial adjusting unit 7 to drive the workbench 2 to move back and forth (namely to move along the X axis) and controls the ball screw sliding table 3 to drive the adsorption part to move left and right (namely to move along the Y axis) based on the position movement amount so as to compensate the position deviation of the protection sheet generated on the X axis and the Y axis.
The frame 1 is also provided with a photoelectric sensor, the photoelectric sensor adopts an optical fiber sensor, the optical fiber sensor is arranged between the camera 81 and the separation block 12, the optical fiber sensor is electrically connected with the control module, the control module is used for stopping traction of the base film 18 by the traction roller pair 15 when the optical fiber sensor detects that a protection sheet exists on the separation block 12, starting the driver I41 to drive the adsorption plate 6 to move downwards to the protection sheet on the separation block 12, and starting the vacuum pump to generate negative pressure.
In the embodiment, a manufacturer of a camera 81 is a large and constant image, the model is 131-75Gm, a control module adopts a P L C controller, a manufacturer of a P L C controller is a Taida, and a P L C controller comprises a P L C power supply with the model of AS-PS02, a Taida P L C with the model of AS228T-A, AN expansion module with the model of AS16AM10N-A, AN expansion module with the model of AS16AN01T-A and AN expansion module with the model of AS16AP 11T-A.
The specific implementation process is as follows:
in this embodiment, and referring to fig. 2, protective sheets are first adhered to a continuous carrier film 18 at intervals to form a protective tape, and since the protective sheets and the carrier film 18 are both made of soft materials, the protective tape can be wound up into a protective roll 14.
The automatic change protection sheet sticking machine dyestripping control system of this embodiment one is used for tearing the protection sheet on the boundary belt from basement membrane 18 to drive the protection sheet and remove to the soft board top, place the protection sheet on the soft board on workstation 2 at last, the protection sheet is pasted on the soft board through the viscose that self has at last, forms the protection to the soft board, specifically following step:
firstly, placing a protective belt:
when the protective tape is unreeled, the protective tape is sleeved on the unreeling roller 11 in the form of a protective roll 14, the protective tape unreeled from the protective roll 14 under the traction of the traction pair roller 15 passes through the guide roller and the flattening plate 17 to reach the separation block 12 (before the protective tape and the basement membrane 18 are not separated, the basement membrane 18 is attached to the upper surface of the separation block 12, and the protective tape is positioned above the basement membrane 18), and then the basement membrane 18 of the protective tape is wound on the recovery roller 13; through recovery roll 13 to facilitate recovery of base film 18.
Second, the protective sheet is torn from carrier film 18:
after the protective sheet reaches the separation block 12, after the optical fiber sensor senses the protective sheet on the separation block 12, the P L C controller controls the traction roller 15 to stop traction on the basement membrane 18, the protective belt stops unreeling, the ball screw sliding table 3 installed on the machine frame 1 drives the adsorption part to move to the position above the separation block 12 with the protective belt through the connecting seat 31, then the ball screw sliding table 3 is stopped, the driver I41 of the lifting unit 4 is started, the lifting assembly 42 drives the adsorption plate 6 to move downwards, when the adsorption plate 6 moves to be attached to the protective sheet, the vacuum pump is started (the driver I41 is stopped), the vacuum pump enables the adsorption hole 62 on the adsorption plate 6 to generate negative pressure for adsorption, then the ball screw sliding table 3 is started again, the ball screw sliding table 3 drives the adsorption part to move rightwards until the protective sheet is separated from the basement membrane 18.
Thirdly, correcting the protecting sheet:
after the second step is completed, when the protective tape is unreeled, the protective tape may be shifted forwards and backwards to be deflected, and then the protective sheet is torn off by the adsorption plate 6, the camera 81 of the deviation correction unit collects image data at the protective sheet on the adsorption plate 6, the image data is transmitted to the image processing module, the image processing module calculates the actual position of the protective sheet on the adsorption plate 6 according to the image data, the image processing module compares the actual position of the protective sheet with a preset target position to obtain the angle offset of the protective sheet, the image processing module calculates the angle rotation amount and the position offset of the protective sheet based on the angle offset, and the P L C controller controls the second driver 51 of the angle adjustment unit 5 to drive the adsorption plate 6 to rotate on the horizontal plane to compensate the angle deviation generated by the protective sheet based on the angle rotation amount.
After the compensation of the angular deviation is completed, the camera 81 collects image data of the protective sheet on the adsorption plate 6 again, the image processing module calculates an actual position of the protective sheet on the adsorption plate 6 according to the image data, the image processing module compares the actual position of the protective sheet with a preset target position to obtain a position offset of the protective sheet (only the position offset remains because the angular deviation is completed), the image processing module calculates a position movement amount based on the position offset, the P L C controller controls the axial adjusting unit 7 to drive the workbench 2 to move back and forth (i.e. to move along the X axis) and controls the ball screw sliding table 3 to drive the adsorption part to move left and right (i.e. to move along the Y axis) based on the position movement amount to compensate the position deviation of the protective sheet generated on the X axis and the Y axis.
After the angle deviation and the position deviation are compensated, the automatic deviation rectifying function of the protection sheet is completely realized.
Fourthly, conveying and sticking the protecting sheet:
after accomplishing the third step, ball screw slip table 3 continues to start for connecting seat 31 drives the adsorption component and protects the piece and moves right together, and after the top of soft board position on workstation 2 was reachd to the protection piece on adsorbing board 6, ball screw slip table 3 stopped, and start driver 41, make lifting unit 42 drive adsorbing board 6 and move down, paste protection piece and soft board, and the vacuum pump is closed at last, and the protection piece forms the protection to the soft board promptly attached to the soft board.
In the embodiment, the protective sheet is torn from the bottom film 18 to be adhered to the soft board, the protective sheet does not need to be touched manually in the whole process, and the whole process is realized in a mechanized mode, so that the adhering efficiency of the protective sheet is higher; and the protective sheet is torn off from the bottom film 18 by the simultaneous action of the adsorption hole 62 on the adsorbed plate 6, the separation block 12 and the ball screw sliding table 3, and the corners of each protective sheet do not need to be manually uncovered and tilted, so that the situation that the protective sheet is torn off can be avoided.
In addition, in the process that the protective sheet is torn off from the base film 18, as long as the protective tape is flattened when being initially adsorbed on the flattening plate 17, and the base film 18 of the protective tape is tightly adsorbed by the suction holes formed in the flattening plate 17, the protective tape cannot easily wrinkle in the process of continuously unreeling the protective tape, and meanwhile, the degree of deflection caused by the fact that the protective tape shifts forwards and backwards in the unreeling process can also be reduced.
Example two
The second embodiment is basically as shown in fig. 6 to 9, and is improved on the basis of the first embodiment, specifically: still be connected with the blowing pipe 19 through screw fixed connection on the frame 1, the blowing pipe 19 is located the separation block 12 below, and it has a plurality of trompil pore 191 up to open on the blowing pipe 19, and the blowing pipe 19 intercommunication has the air pump.
Provide wind-force for blowing pipe 19 through the air pump for wind energy on the blowing pipe 19 blows to being adsorbed the screening glass bottom by adsorption plate 6 along gas pocket 191, and then avoids the bottom that the dust fell the screening glass around, has guaranteed the clean and tidy of screening glass viscose position, and then solves screening glass viscose position and lead to pasting insecure problem with the soft board because of the adhesion dust.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Automatic change screening glass sticking machine dyestripping control system connects in the frame of automatic screening glass sticking machine, its characterized in that: the device comprises an unreeling part, a transmission unit, an adsorption part, an adjusting unit and a deviation rectifying unit;
the unwinding part comprises an unwinding roller, a separation block and a recovery roller, the unwinding roller and the recovery roller are rotatably connected to the rack, and the separation block is fixedly connected to the rack;
the transmission unit is connected to the rack and can drive the adsorption part to be close to or far away from the separation block;
the adsorption part comprises an adsorption plate which can be attached to the protective sheet, and adsorption holes are formed in the adsorption plate and communicated with a negative pressure unit;
the deviation rectifying unit is used for controlling the adjusting unit to drive the adsorption part to move according to the deviation amount of the actual position and the target position of the protection plate so as to realize the deviation rectifying function.
2. The automated protective sheet applicator tear film control system of claim 1, wherein: the transmission unit is connected with a connecting seat and drives the connecting seat to move; the adsorption part also comprises a lifting unit, the lifting unit is fixedly connected to the connecting seat, the lifting unit is connected with the adsorption plate, and the lifting unit drives the adsorption plate to lift; the frame is provided with a workbench which is positioned below the adsorption plate.
3. The automated protective sheet applicator tear film control system of claim 2, wherein: the correction unit comprises an image acquisition module, an image processing module and a control module, wherein the image acquisition module is used for acquiring image data at the position of a protection sheet on the adsorption plate, the image acquisition module is in signal connection with the image processing module, the image processing module is electrically connected with the control module, and the control module is electrically connected with the adjusting unit; the image processing module is used for calculating the actual position of the protection plate on the adsorption plate according to the image data, the image processing module compares the actual position of the protection plate with a preset target position to obtain the offset of the protection plate, the image processing module calculates the required motion amount based on the offset, the image processing module sends the required motion amount to the control module, and the control module controls the adjusting unit to drive the adsorption part to move based on the required motion amount to realize the deviation rectifying function.
4. The automated protective sheet applicator tear film control system of claim 3, wherein: the lifting unit comprises a first driver and a lifting assembly, and the first driver drives the lifting assembly to lift; the adjusting unit also comprises an angle adjusting unit, the angle adjusting unit is connected to the lifting assembly and comprises a second driver and a rotating shaft, the second driver and the lifting assembly synchronously lift, the second driver drives the rotating shaft to rotate, and the rotating shaft is fixedly connected with the adsorption plate;
the offset comprises an angle offset, the required movement amount comprises an angle rotation amount, and the image processing module sends the angle rotation amount to the control module; the control module is electrically connected with the second driver, and the control module controls the second driver of the angle adjusting unit to drive the adsorption plate to rotate based on the angle rotation amount so as to compensate the angle deviation generated by the protection sheet.
5. The automated protective sheet applicator tear film control system of claim 3, wherein: the adjusting unit comprises an axial adjusting unit, the axial adjusting unit is connected to the rack, the workbench is connected to the axial adjusting unit, the axial adjusting unit drives the workbench to move, and the moving direction of the workbench is perpendicular to the lifting direction of the lifting unit and the moving direction of the adsorption part driven by the transmission unit;
the offset also comprises position offset, the required movement amount also comprises position movement amount, and the image processing module sends the position movement amount to the control module; the control module is electrically connected with the axial adjusting unit, the control module is electrically connected with the transmission unit, and the control module controls the axial adjusting unit to drive the workbench to move and controls the transmission unit to drive the adsorption part to move based on the position moving amount so as to compensate the position deviation generated by the protection sheet.
6. The automated protective sheet applicator tear film control system of claim 3, wherein: the image acquisition module comprises a camera and a light source, the camera is in signal connection with the image processing module, the camera is installed on the rack and is used for acquiring image data of the protective sheet on the adsorption plate.
7. The automated protective sheet applicator tear film control system of claim 3, wherein: the frame is provided with a photoelectric sensor, the photoelectric sensor is electrically connected with a control module, and the control module is used for stopping the unreeling action of the unreeling part, starting the lifting unit to drive the adsorption plate to downwards move onto the protection sheet on the separation block and starting the negative pressure unit to generate negative pressure when the photoelectric sensor detects that the protection sheet exists on the separation block.
8. The automated protective sheet applicator tear film control system of claim 1, wherein: and a stretching plate is further arranged between the unwinding roller and the separating block, and a tightening hole is formed in the stretching plate and communicated with the negative pressure unit.
9. The automated protective sheet applicator tear film control system of claim 1, wherein: and a traction pair roller is also arranged between the recovery roller and the separation block.
10. The automated protective sheet applicator tear film control system of claim 1, wherein: still fixedly connected with blowing pipe in the frame, the blowing pipe is located the separation piece below, is equipped with a plurality of trompil gas pocket up on the blowing pipe, and the blowing pipe intercommunication has the air pump.
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| CN202010280361.1A CN111453520B (en) | 2020-04-10 | 2020-04-10 | Automatic change screening mask machine dyestripping control system |
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| CN202010280361.1A CN111453520B (en) | 2020-04-10 | 2020-04-10 | Automatic change screening mask machine dyestripping control system |
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| CN111453520B (en) | 2021-08-10 |
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