A protective film mounting device

Abstract

The present invention relates to a protective film mounting device, the device comprises a frame; the device also comprises a plurality of film mounting devices mounted on the frame, the film mounting devices mount films on products on their film mounting positions; the film mounting devices comprise a material seat, a side pressure roller, an upper pressure roller, a film separation device, a unwinding device, and a winding device, the material seat is mounted on the frame and rotates horizontally, the side pressure roller is mounted on the frame and moves horizontally and swings longitudinally, the upper pressure roller is mounted on the frame and moves longitudinally, the film separation device comprises a film separation plate and a film separation roller, the film separation plate and the film separation roller are both mounted on the frame and are longitudinally staggered, the unwinding device comprises an unwinding shaft, the unwinding shaft is mounted on the frame and rotates horizontally, the winding device comprises a winding shaft and a winding roller, the winding shaft and the winding roller are both mounted on the frame, and the winding shaft rotates horizontally. It can realize full-automatic film mounting (mounting on the side and the top surface) and tray loading of products, greatly improving the extension efficiency.

Description

Technical Field

[0001] The invention relates to film application technology, and particularly to a protective film mounting device. Background Art

[0002] In the existing production process, the assembly method of coiled material film application mainly adopts manual operation. For example, the film is manually attached to the product, which is a relatively common production method, but its disadvantages are also obvious. The manual film application method takes a long time, the assembly efficiency is low, and the manual force is uneven, resulting in technical problems such as uneven stress on the product, deformation, cracking and even damage. Summary of the Invention

[0003] The invention provides a protective film mounting device.

[0004] Technical Solution of the Invention:

[0005] A protective film mounting device, the device includes a frame; the device further includes a plurality of film application devices installed on the frame, and the film application devices apply film to the products at their film application positions;

[0006] The film application device includes a material seat, a side pressing roller, an upper pressing roller, a film separating device, a film unwinding device, and a film winding device. The material seat is installed on the frame and rotates horizontally. The side pressing roller is installed on the frame and moves horizontally and swings longitudinally. The upper pressing roller is installed on the frame and moves longitudinally. The film separating device includes a film separating plate and a film separating roller. The film separating plate and the film separating roller are both installed on the frame and are longitudinally offset. The film unwinding device includes a film unwinding shaft, and the film unwinding shaft is installed on the frame and rotates horizontally. The film winding device includes a film winding shaft and a film winding roller. The film winding shaft and the film winding roller are both installed on the frame, and the film winding shaft rotates horizontally;

[0007] The product is sleeved on the material seat and located at the film application position. The protective film carrier tape is wound on the film unwinding shaft of the film unwinding device. The protective film carrier tape sequentially bypasses the film separating plate and the film separating roller of the film separating device, the film winding roller of the film winding device, and finally winds around the film winding shaft of the film winding device, and rotates horizontally with the film unwinding shaft of the film unwinding device and the film winding shaft of the film winding device. The protective film carrier tape is unwound and wound. The film separating plate and the film separating roller of the film separating device cooperate to peel off the protective film on the protective film carrier tape and send it to the film application position; at the film application position, the protective film is attached to the side of the product. The side pressing roller moves horizontally and presses on the protective film. The product rotates with the material seat, and the side pressing roller synchronously swings longitudinally and rolls the protective film along the side of the product to attach the side; the upper pressing roller moves longitudinally, folds the protective film on the upper end face of the product and rolls it to attach the upper face.

[0008] The material seat also moves up and down, and the product moves up and down with the material seat and is transferred to the film pasting position; a material seat mounting seat is installed on the frame, the material seat is mounted on the material seat mounting seat and is connected to a rotating motor mounted on the material seat mounting seat, the rotating motor drives the material seat to rotate horizontally, the material seat mounting seat is connected to a lifting cylinder installed on the frame, and the lifting cylinder drives the material seat mounting seat to move up and down, and the material seat moves up and down with the material seat mounting seat;

[0009] A transverse slide plate is installed on the frame, the transverse slide plate is connected to a transverse cylinder installed on the frame, the transverse cylinder drives the transverse slide plate to move horizontally, an arc-shaped connecting rod is installed on the transverse slide plate, the middle of the arc-shaped connecting rod is hinged to the transverse slide plate, one end is equipped with a side guide wheel, the side pressing roller is installed at the other end of the arc-shaped connecting rod, a guide plate is installed on the frame, a first spring is installed between the transverse slide plate and the arc-shaped connecting rod, and under the action of the first spring, the side guide wheel is elastically supported on the side guide plate, the side pressing roller moves horizontally with the transverse slide plate, and when the product rotates with the material seat, the side pressing roller longitudinally swings under the interaction of the product and the first spring;

[0010] The upper pressing roller also moves up and down; a longitudinal sliding seat is installed on the frame, the longitudinal sliding seat is connected to a first longitudinal cylinder installed on the frame, the first longitudinal cylinder drives the longitudinal sliding seat to move longitudinally, a longitudinal slide plate is installed on the longitudinal sliding seat, the longitudinal slide plate is connected to a second longitudinal cylinder installed on the longitudinal sliding seat, the second longitudinal cylinder drives the longitudinal slide plate to move longitudinally, a vertical sliding block is installed on the longitudinal slide plate, a lower guide wheel is installed at the lower end of the vertical sliding block, the upper pressing roller is installed at the upper end of the vertical sliding block, a lower guide plate is installed on the longitudinal sliding seat, a second spring is installed between the vertical sliding block and the longitudinal sliding seat, and under the action of the second spring, the lower guide wheel is elastically supported on the lower guide plate, the upper pressing roller moves longitudinally with the longitudinal sliding seat or the longitudinal slide plate, and when it moves longitudinally with the longitudinal slide plate, the lower guide wheel rolls on the lower guide plate, driving it to move up and down.

[0011] The film pasting device further includes a tensioning device;

[0012] The tensioning device includes three rollers, all three rollers are installed on the frame and arranged horizontally, the protective film carrier tape sequentially bypasses the three rollers, a longitudinal sliding block is installed on the frame, the middle roller is installed on the longitudinal sliding block, a spiral spring is installed on the frame, the spiral spring is connected to the longitudinal sliding block, and under the action of the spiral spring, an elastic force is applied to the middle roller to tension the protective film carrier tape wound on the three rollers.

[0013] The film pasting device further includes a nozzle, and the nozzle is directed at the product at the film pasting position.

[0014] There are two film - sticking devices in total. The two film - sticking devices are arranged side by side, and the middle position is the film - sticking position. The equipment also includes a manipulator installed on the frame. The manipulator transfers the product in the tray at the film - sticking position to a film - sticking device for film - sticking, and then sends the product with the film stuck back to the tray at the film - sticking position.

[0015] The manipulator is a multi - axis manipulator equipped with a product fixture.

[0016] The equipment also includes a handling device, a turnover device, a loading bin, and a receiving bin installed on the frame. The loading bin and the receiving bin are arranged side by side, and the middle position is the tray - changing position. The handling device transports the tray in the loading bin to the tray - changing position or transports the tray at the tray - changing position to the receiving bin. The turnover device transfers the tray at the tray - changing position to the film - sticking position or transfers the tray at the film - sticking position to the tray - changing position.

[0017] The handling device includes a handling bracket and a tray - sucking module. The handling bracket is fixedly connected to the frame. The tray - sucking module is installed on the handling bracket and is connected to a Y - axis displacement module and a Z - axis displacement module installed on the handling bracket. The Y - axis displacement module drives the tray - sucking module to move along the X - axis direction, and the Z - axis displacement module drives the tray - sucking module to move along the Z - axis direction.

[0018] The turnover device includes a film - sticking platform. The film - sticking platform is installed on the frame and is connected to an X - axis displacement module installed on the frame. The X - axis displacement module drives the film - sticking platform to move back and forth between the tray - changing position and the film - sticking position.

[0019] Both the loading bin and the receiving bin include a bottom plate, several limiting columns, a top plate, a support plate, and a material - separating device. The bottom plate is fixedly connected to the frame. Several limiting columns are arranged in a circle, supported and fixed on the bottom plate. The top plate is supported and fixed on several limiting columns. There is an opening on the top plate, which is the inlet / outlet for the tray. The support plate is installed on the bottom plate, located in the middle of several limiting columns, and is connected to a Z - axis displacement module installed on the bottom plate. The Z - axis displacement module drives the support plate to move along the Z - axis direction. The material - separating device is installed on the top plate to separate the upper tray on the support plate from the several trays below it.

[0020] The material - separating device includes several material - separating pins. The several material - separating pins are divided into two groups, located on both sides of the top plate, and are all installed on the top plate through material - separating cylinders. Driven by each material - separating cylinder, several material - separating pins respectively insert into the material - separating grooves on both sides of the upper second tray on the support plate to separate the upper tray on the support plate from the several trays below it.

[0021] Both the Y - axis displacement module, the Z - axis displacement module, and the X - axis displacement module are composed of a slider, a slide rail, a servo motor, a lead screw, and a lead - screw nut.

[0022] A number of rough positioning blocks, a number of floating positioning tongue pieces and a number of pressing blocks are installed on the film pasting platform. The number of rough positioning blocks and the number of floating positioning tongue pieces are located on the periphery of the material tray on the film pasting platform and jointly position the material tray on the film pasting platform. The rod pressing blocks are divided into two groups, located on both sides of the material tray on the film pasting platform, and are all installed on the film pasting platform through locking cylinders. Driven by each locking cylinder, the number of pressing blocks press on the material tray on the film pasting platform to fix the material tray on the film pasting platform;

[0023] The rough positioning blocks are located on the periphery of the material tray on the film pasting platform and are in clearance contact;

[0024] The floating positioning tongue piece includes a tongue piece. The tongue piece is located inside or below the film pasting platform and is installed on the film pasting platform through a floating cylinder. The floating cylinder drives the tongue piece to float. The tongue piece passes through the film pasting platform and extends into the positioning piece groove at the bottom of the material tray on the film pasting platform.

[0025] The equipment also includes an electric control system; the electric control system includes a touch screen and a PLC. The touch screen and the PLC are installed on the frame. The touch screen is connected to the PLC and communicates with the PLC. The PLC is connected to each detection photoelectric and each solenoid valve installed on the frame. The PLC is connected to the servo motor or connected to each cylinder through the solenoid valve.

[0026] The frame is covered with an upper cover plate to form a protective cover on the upper part of the frame. The protective cover covers each device; four sides of the protective cover are provided with doors, and all doors are provided with windows. The touch screen is embedded in a door on the front side of the protective cover;

[0027] The frame is covered with an upper cover plate to form a loading and unloading box and an electric control box at the lower part of the frame. The loading bin and the unloading bin are both located in the loading and unloading box, and the PLC is located in the electric control box;

[0028] The loading and unloading box has front and rear opening doors. The loading bin and the unloading bin are open on one side facing the box door. A baffle is installed at the upper part of the opening, and opening doors are installed on both sides at the lower part of the opening. Handles are installed on the opening doors. The baffle is fixedly connected to the top plate, and the opening doors are connected to the limit posts through hinges.

[0029] An FUU fan is installed on the top of the protective cover. The FUU fan is connected to the PLC; an audible and visual alarm is installed on the top of the frame. The audible and visual alarm is connected to the PLC;

[0030] Foot wheels and support feet are installed at the bottom of the frame.

[0031] The advantages of the present invention are reasonable design and ingenious concept, which can realize the full-automatic film pasting (paste the side and the top surface) and loading of products, and greatly improve the production efficiency. Description of the Drawings

[0032] Figure 1It is a schematic diagram of product film application.

[0033] Figure 2 It is a three-dimensional view (partial) of the protective film mounting device.

[0034] Figure 3 It is a top view (partial) of the protective film mounting device.

[0035] Figure 4 It is a three-dimensional view of the film application device.

[0036] Figure 5 It is a partial schematic diagram (1) of the film application device.

[0037] Figure 6 It is a partial schematic diagram (2) of the film application device.

[0038] Figure 7 It is a partial schematic diagram (3) of the film application device.

[0039] Figure 8 It is a partial schematic diagram (4) of the film application device.

[0040] Figure 9 It is a three-dimensional view of the manipulator.

[0041] Figure 10 It is a three-dimensional view of the handling device.

[0042] Figure 11 It is a three-dimensional view of the turnover device.

[0043] Figure 12 It is a three-dimensional view of the loading bin and the unloading bin.

[0044] Figure 13 It is a three-dimensional view of the loading (unloading) bin.

[0045] Figure 14 It is a three-dimensional view of the material distribution device.

[0046] Figure 15 It is a three-dimensional view of the film application platform.

[0047] In the figure, there are frame 1, film application device 2, manipulator 3, handling device 4, turnover device 5, loading bin 6, unloading bin 7, tray 8, protective film carrier tape roll 9, rough positioning block 10, floating positioning tongue 11, tongue 11-1, floating cylinder 11-2, pressing block 12, locking cylinder 13;

[0048] Film applying device: material seat 2-1, side pressing roller 2-2, upper pressing roller 2-3, film separating device 2-4, film separating plate 2-4-1, film separating roller 2-4-2, unwinding device 2-5, unwinding shaft 2-5-1, winding device 2-6, winding shaft 2-6-1, winding roller 2-6-2, material seat mounting seat 2-7, rotating motor 2-8, lifting cylinder 2-9, transverse slide plate 2-10, transverse cylinder 2-11, arc connecting rod 2-12, side guide wheel 2-13, side guide plate 2-14, longitudinal sliding seat 2-16, first longitudinal cylinder 2-17, longitudinal slide plate 2-18, second longitudinal cylinder 2-19, vertical slider 2-20, lower guide wheel 2-21, lower guide plate 2-22, second spring 2-23, tensioning device 2-24, roller 2-24-1, longitudinal slider 2-24-2, spiral spring 2-24-3, nozzle 2-25;

[0049] Handling device: handling bracket 4-1, suction tray module 4-2, Y-axis displacement module 4-3, Z-axis displacement module 4-4;

[0050] Turnover device: film applying platform 5-1, X-axis displacement module 5-2;

[0051] Loading bin: bottom plate 6-1, limit post 6-2, top plate 6-3, support plate 6-4, material separating device 6-5, material separating pin 6-5-1, material separating cylinder 6-5-2, Z-axis displacement module 6-6;

[0052] Unloading bin: bottom plate 7-1, limit post 7-2, top plate 7-3, support plate 7-4, material separating device 7-5, material separating pin 7-5-1, material separating cylinder 7-5-2, Z-axis displacement module 7-6. Specific implementation mode

[0053] As Figure 2-3 shown, a protective film mounting device, the device includes a frame 1; the device further includes two film applying devices 2 installed on the frame 1, and the film applying device 2 applies a film to the product at its film applying position; the two film applying devices 2 are arranged side by side, and the middle position is the film applying position. The device further includes a manipulator 3 installed on the frame 1. The manipulator 3 transfers the product in the tray 8 at the film applying position to a film applying device 2 for film application, and sends the film-applied product back to the tray 8 at the film applying position; the device further includes a handling device 4, a turnover device 5, a loading bin 6, and an unloading bin 7 installed on the frame 1. The loading bin 6 and the unloading bin 7 are arranged side by side, and the middle position is the tray changing position. The handling device 4 transports the tray 8 in the loading bin 6 to the tray changing position or transports the tray 8 at the tray changing position to the unloading bin 7, and the turnover device 5 transfers the tray 8 at the tray changing position to the film applying position or transfers the tray 8 at the film applying position to the tray changing position;

[0054] As Figure 4-8As shown, the film pasting device 2 includes a material seat 2-1, a side pressing roller 2-2, an upper pressing roller 2-3, a film separating device 2-4, a film unwinding device 2-5, and a film winding device 2-6. The material seat 2-1 is installed on the frame 1 and rotates horizontally. The side pressing roller 2-2 is installed on the frame 1 and moves horizontally and swings longitudinally. The upper pressing roller 2-3 is installed on the frame 1 and moves longitudinally. The film separating device 2-4 includes a film separating plate 2-4-1 and a film separating roller 2-4-2. The film separating plate 2-4-1 and the film separating roller 2-4-2 are both installed on the frame 1 and are longitudinally offset from each other. The film unwinding device 2-5 includes a film unwinding shaft 2-5-1, and the film unwinding shaft 2-5-1 is installed on the frame 1 and rotates horizontally. The film winding device 2-6 includes a film winding shaft 2-6-1 and a film winding roller 2-6-2. The film winding shaft 2-6-1 and the film winding roller 2-6-2 are both installed on the frame 1, and the film winding shaft 2-6-1 rotates horizontally; the material seat 2-1 also moves up and down, and the product moves up and down with the material seat 2-1 and is transferred to the film pasting position; a material seat mounting seat 2-7 is installed on the frame 1, the material seat 2-1 is installed on the material seat mounting seat 2-7 and is connected to a rotating motor 2-8 installed on the material seat mounting seat 2-7. The rotating motor 2-8 drives the material seat 2-1 to rotate horizontally. The material seat mounting seat 2-7 is connected to a lifting cylinder 2-9 installed on the frame 1, and the lifting cylinder 2-9 drives the material seat mounting seat 2-7 to move up and down, and the material seat 2-1 moves up and down with the material seat mounting seat 2-7; a horizontal slide plate 2-10 is installed on the frame 1, the horizontal slide plate 2-10 is connected to a horizontal cylinder 2-11 installed on the frame 1, and the horizontal cylinder 2-11 drives the horizontal slide plate 2-10 to move horizontally. An arc-shaped connecting rod 2-12 is installed on the horizontal slide plate 2-10. The middle of the arc-shaped connecting rod 2-12 is hinged to the horizontal slide plate 2-10, and a side guide wheel 2-13 is installed at one end. The side pressing roller 2-2 is installed at the other end of the arc-shaped connecting rod 2-12. A guide plate 2-14 is installed on the frame 1. A first spring 2-15 is installed between the horizontal slide plate 2-10 and the arc-shaped connecting rod 2-12. Under the action of the first spring 2-15, the side guide wheel 2-13 is elastically supported on the side guide plate 2-14. The side pressing roller 2-2 moves horizontally with the horizontal slide plate 2-10. When the product rotates with the material seat 2-1, the side pressing roller 2-2 swings longitudinally under the interaction of the product and the first spring 2-15; the upper pressing roller 2-3 also floats up and down;A longitudinal slide 2-16 is installed on the frame 1. The longitudinal slide 2-16 is connected to a first longitudinal cylinder 2-17 installed on the frame 1. The first longitudinal cylinder 2-17 drives the longitudinal slide 2-16 to move longitudinally. A longitudinal slide plate 2-18 is installed on the longitudinal slide 2-16. The longitudinal slide plate 2-18 is connected to a second longitudinal cylinder 2-19 installed on the longitudinal slide 2-16. The second longitudinal cylinder 2-19 drives the longitudinal slide plate 2-18 to move longitudinally. A vertical slider 2-20 is installed on the longitudinal slide plate 2-19. A lower guide wheel 2-21 is installed at the lower end of the vertical slider 2-20. The upper pressing roller 2-3 is installed at the upper end of the vertical slider 2-20. A lower guide plate 2-22 is installed on the longitudinal slide 2-16. A second spring 2-23 is installed between the vertical slider 2-20 and the longitudinal slide 2-16. Under the action of the second spring 2-23, the lower guide wheel 2-21 is elastically supported on the lower guide plate 2-22. The upper pressing roller 2-3 moves longitudinally with the longitudinal slide 2-16 or the longitudinal slide plate 2-18. When it moves longitudinally with the longitudinal slide plate 2-18, the lower guide wheel 2-21 rolls on the lower guide plate 2-22, driving it to float up and down. The film pasting device 2 further includes a tensioning device 2-24. The tensioning device 2-24 includes three rollers 2-24-1. The three rollers 2-24-1 are all installed on the frame 1 and arranged horizontally. The protective film carrier tape roll 9 sequentially bypasses the three rollers 2-24-1. A longitudinal slider 2-24-2 is installed on the frame 1. The middle roller 2-24-1 is installed on the longitudinal slider 2-24-1. A coil spring 2-24-3 is installed on the frame 1. The coil spring 2-24-3 is connected to the longitudinal slider 2-24-2. Under the action of the coil spring 2-24-3, an elastic force is applied to the middle roller 2-24-1 to tension the protective film carrier tape wound on the three rollers 2-24-1. The film pasting device 2 further includes a nozzle 2-25. The nozzle 2-25 is directed at the product at the film pasting position.

[0055] As Figure 9 shown, the manipulator 3 is a multi-axis manipulator equipped with a product fixture.

[0056] As Figure 10 shown, the handling device 4 includes a handling bracket 4-1 and a suction tray module 4-2. The handling bracket 4-1 is fixedly connected to the frame 1. The suction tray module 4-2 is installed on the handling bracket 4-1 and is connected to a Y-axis displacement module 4-3 and a Z-axis displacement module 4-4 installed on the handling bracket 4-1. The Y-axis displacement module 4-3 drives the suction tray module 4-2 to move along the X-axis direction. The Z-axis displacement module 4-4 drives the suction tray module 4-2 to move along the Z-axis direction.

[0057] As Figure 11As shown, the turnover device 5 includes a film pasting platform 5-1, which is installed on the frame 1 and connected to the X-axis displacement module 5-2 installed on the frame 1. The X-axis displacement module 5-2 drives the film pasting platform 5-1 to move back and forth between the disk changing position and the film pasting position;

[0058] As Figure 12-14As shown in the figure, the loading bin 6 includes a bottom plate 6-1, several limiting columns 6-2, a top plate 6-3, a supporting plate 6-4, and a material distributing device 6-5. The bottom plate 6-1 is fixedly connected to the frame 1. Several limiting columns 6-2 are arranged in a circle, supported and fixed on the bottom plate 6-1. The top plate 6-3 is supported and fixed on several limiting columns 6-2. The top plate 6-3 has an opening, which is the inlet and outlet tray opening. The supporting plate 6-4 is installed on the bottom plate 6-1, located in the middle of several limiting columns 6-2, and is connected to a Z-axis displacement module 6-6 installed on the bottom plate 6-1. The Z-axis displacement module 6-6 drives the supporting plate 6-4 to move along the Z-axis direction. The material distributing device 6-5 is installed on the top plate 6-3 to separate the upper tray 8 on the supporting plate 6-4 from several lower trays 8 below it. The material distributing device 6-5 includes several material distributing pins 6-5-1. The several material distributing pins 6-5-1 are divided into two groups, located on both sides of the top plate 6-3, and are all installed on the top plate 6-3 through material distributing cylinders 6-5-2. Driven by each material distributing cylinder 6-5-2, the several material distributing pins 6-5-1 respectively insert into the material distributing grooves on both sides of the upper tray 8 on the supporting plate 6-4 from both sides, separating the upper tray 8 on the supporting plate 6-4 from several lower trays 8 below it. The receiving bin 7 includes a bottom plate 7-1, several limiting columns 7-2, a top plate 7-3, a supporting plate 7-4, and a material distributing device 7-5. The bottom plate 7-1 is fixedly connected to the frame 1. Several limiting columns 7-2 are arranged in a circle, supported and fixed on the bottom plate 7-1. The top plate 7-3 is supported and fixed on several limiting columns 7-2. The top plate 7-3 has an opening, which is the inlet and outlet tray opening. The supporting plate 7-4 is installed on the bottom plate 7-1, located in the middle of several limiting columns 7-2, and is connected to a Z-axis displacement module 7-6 installed on the bottom plate 7-1. The Z-axis displacement module 7-6 drives the supporting plate 7-4 to move along the Z-axis direction. The material distributing device 7-5 is installed on the top plate 7-3 to separate the upper tray 8 on the supporting plate 7-4 from several lower trays 8 below it. The material distributing device 7-5 includes several material distributing pins 7-5-1. The several material distributing pins 7-5-1 are divided into two groups, located on both sides of the top plate 7-3, and are all installed on the top plate 7-3 through material distributing cylinders 7-5-2. Driven by each material distributing cylinder 7-5-2, the several material distributing pins 7-5-1 respectively insert into the material distributing grooves on both sides of the upper tray 8 on the supporting plate 7-4 from both sides, separating the upper tray 8 on the supporting plate 7-4 from several lower trays 8 below it. The Y-axis displacement module 4-3, Z-axis displacement module 4-4, X-axis displacement module 5-1, Z-axis displacement module 6-6, and Z-axis displacement module 7-6 are all composed of a slider, a slide rail, a servo motor, a lead screw, and a lead screw nut connection;

[0059] As Figure 15As shown, a number of rough positioning blocks 10, a number of floating positioning tongue pieces 11 and a number of pressing blocks 12 are installed on the film pasting platform 5-1. The number of rough positioning blocks 10 and the number of floating positioning tongue pieces 11 are located on the peripheral side of the material tray 8 on the film pasting platform 5-1, and jointly position the material tray 8 on the film pasting platform 5-1. The rod pressing blocks 12 are divided into two groups, located on both sides of the material tray 8 on the film pasting platform 5-1, and are all installed on the film pasting platform 5-1 through the locking cylinders 13. Driven by each locking cylinder 13, the number of pressing blocks 12 press on the material tray 8 on the film pasting platform 5-1 to fix the material tray 8 on the film pasting platform 5-1; the rough positioning blocks 10 are located on the peripheral side of the material tray 8 on the film pasting platform 5-1 and are in clearance contact; the floating positioning tongue piece 11 includes a tongue piece 11-1. The tongue piece 11-1 is located inside or below the film pasting platform 5-1 and is installed on the film pasting platform 5-1 through a floating cylinder 11-2. The floating cylinder 11-2 drives the tongue piece 11-1 to float. The tongue piece 11-1 passes through the film pasting platform 5-1 and extends into the positioning piece groove at the bottom of the material tray 8 on the film pasting platform 5-1.

[0060] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective film mounting device, comprising a frame; characterized in that: The equipment also includes a plurality of film sticking devices installed on the frame, and the film sticking devices apply film to the products on the film sticking positions thereof; The film pasting device comprises a material seat, a side pressure roller, an upper pressure roller, a film separation device, a unwinding device, and a winding device. The material seat is installed on the frame and rotates horizontally. The side pressure roller is installed on the frame and moves horizontally and swings vertically. The upper pressure roller is installed on the frame and moves vertically. The film separation device comprises a film separation plate and a film separation roller. The film separation plate and the film separation roller are both installed on the frame and are staggered vertically. The unwinding device comprises an unwinding shaft. The unwinding shaft is installed on the frame and rotates horizontally. The winding device comprises a winding shaft and a winding roller. The winding shaft and the winding roller are both installed on the frame. The winding shaft rotates horizontally. The product is sleeved on the material seat and is located at the film pasting position. The protective film carrier tape is rolled on the unwinding shaft of the unwinding device. The protective film carrier tape passes around the film separation plate, the film separation roller, and the winding roller of the winding device in turn, and is finally wound on the winding shaft of the winding device. It rotates horizontally with the unwinding shaft of the unwinding device and the winding shaft of the winding device. The protective film carrier tape is unwound and wound. The film separation plate and the film separation roller of the film separation device cooperate to peel off the protective film on the protective film carrier tape and send it to the film pasting position. At the film pasting position, the protective film is attached to the side of the product, and the side pressure roller moves horizontally and presses on the protective film. The product rotates with the material seat, and the side pressure roller swings longitudinally synchronously, rolling the protective film along the side of the product and pasting it to the side. The upper pressure roller moves longitudinally, folds the protective film on the upper end surface of the product and rolls it to paste it on the upper surface. The material seat also rises and falls, and the product rises and falls with the material seat and is transferred to the film pasting position; a material seat mounting seat is installed on the frame, the material seat is installed on the material seat mounting seat, and is connected to a rotating motor installed on the material seat mounting seat, the rotating motor drives the material seat to rotate horizontally, the material seat mounting seat is connected to a lifting cylinder installed on the frame, the lifting cylinder drives the material seat mounting seat to rise and fall, and the material seat rises and falls with the material seat mounting seat; A transverse slide is installed on the frame, and the transverse slide is connected to a transverse cylinder installed on the frame. The transverse cylinder drives the transverse slide to move transversely. An arc connecting rod is installed on the transverse slide. The middle part of the arc connecting rod is hinged with the transverse slide, and one end is installed with a side guide wheel. The side pressure roller is installed on the other end of the arc connecting rod. A guide plate is installed on the frame. A spring 1 is installed between the transverse slide and the arc connecting rod. Under the action of the spring 1, the side guide wheel is elastically supported on the side guide plate. The side pressure roller moves transversely with the transverse slide. When the product rotates with the material seat, the side pressure roller swings longitudinally under the interaction between the product and the spring 1. The upper pressure roller also floats up and down; the frame is equipped with a longitudinal slide, and the longitudinal slide and a longitudinal cylinder 1 installed on the frame drive the longitudinal slide to move longitudinally. The longitudinal slide is equipped with a longitudinal slide plate, and the longitudinal slide and a longitudinal cylinder 2 installed on the longitudinal slide drive the longitudinal slide to move longitudinally. The longitudinal slide is equipped with a vertical slider, and a lower guide wheel is installed at the lower end of the vertical slider. The upper pressure roller is installed at the upper end of the vertical slider, and a lower guide plate is installed on the longitudinal slide, and a spring 2 is installed between the vertical slider and the longitudinal slide. Under the action of the spring 2, the lower guide wheel is elastically supported on the lower guide plate, and the upper pressure roller moves longitudinally with the longitudinal slide or the longitudinal slide. When it moves longitudinally with the longitudinal slide, the lower guide wheel rolls on the lower guide plate, driving it to float up and down; The film sticking device also includes a nozzle, and the nozzle is directly facing the product on the film sticking position.

2. A protective film mounting device according to claim 1, characterized in that: The film sticking device also includes a tensioning device; The tensioning device includes three rollers, which are all installed on the frame and arranged horizontally. The protective film carrier roll is wound around the three rollers in sequence. The frame is installed on a longitudinal slider, and the middle roller is installed on the longitudinal slider. A coil spring is installed on the frame, and the coil spring is connected to the longitudinal slider. Under the action of the coil spring, an elastic force is applied to the middle roller to tension the protective film carrier rolled on the three rollers.

3. The protective film mounting device according to claim 1, characterized in that: There are two film sticking devices in total, which are arranged side by side, and the middle position is the film sticking position. The equipment also includes a manipulator installed on the frame, which transfers the products in the material tray at the film sticking position to a film sticking device for film sticking, and returns the film-sticked products to the material tray at the film sticking position; The manipulator is a multi-axis manipulator equipped with a product fixture.

4. A protective film mounting device according to claim 3, characterized in that: The equipment also includes a handling device, a turnover device, a loading bin, and a receiving bin installed on the frame. The loading bin and the receiving bin are arranged side by side, and the middle position is a tray changing position. The handling device transports the tray in the loading bin to the tray changing position or the tray at the tray changing position to the receiving bin. The turnover device transfers the tray at the tray changing position to the film pasting position or the tray at the film pasting position to the tray changing position. The conveying device includes a conveying bracket and a material tray suction module, wherein the conveying bracket is fixedly connected to the frame, the material tray suction module is installed on the conveying bracket, and a Y-axis shift module and a Z-axis shift module are installed on the conveying bracket, wherein the Y-axis shift module drives the material tray suction module to move along the X-axis direction, and the Z-axis shift module drives the material tray suction module to move along the Z-axis direction; The turnover device includes a film pasting platform, which is installed on a frame and connected to an X-axis shift module installed on the frame. The X-axis shift module drives the film pasting platform to move back and forth between a disc changing position and a film pasting position. The loading bin and receiving bin both include a bottom plate, a plurality of limiting columns, a top plate, a support plate, and a material dividing device. The bottom plate is fixedly connected to the frame. The plurality of limiting columns form a circle, support and are fixed to the bottom plate. The top plate supports and is fixed to the plurality of limiting columns. The top plate has an opening, which is an inlet and outlet opening. The support plate is mounted on the bottom plate, located in the middle of the plurality of limiting columns, and is connected to a Z-axis shift module mounted on the bottom plate. The Z-axis shift module drives the support plate to move along the Z-axis direction. The material dividing device is mounted on the top plate, and separates an upper material tray on the support plate from a plurality of material trays below it. The material dividing device comprises a plurality of material dividing pins, which are divided into two groups and located on both sides of the top plate. The plurality of material dividing pins are installed on the top plate through material dividing cylinders. Under the drive of each material dividing cylinder, the plurality of material dividing pins are respectively inserted from both sides of the upper two material trays on the support plate into the material dividing grooves on both sides thereof, so as to separate the upper material tray on the support plate from the plurality of material trays below it. The Y-axis shift module, the Z-axis shift module, and the X-axis shift module are all formed by connecting a slider, a slide rail, a servo motor, a lead screw, and a lead screw nut.

5. The protective film mounting device according to claim 4, characterized in that: The film pasting platform is equipped with a plurality of coarse positioning blocks, a plurality of floating positioning tongues and a plurality of pressing blocks. The plurality of coarse positioning blocks and the plurality of floating positioning tongues are located on the peripheral side of the material tray on the film pasting platform to jointly position the material tray on the film pasting platform. If the rod pressing blocks are divided into two groups, which are located on both sides of the material tray on the film pasting platform and are both installed on the film pasting platform through locking cylinders, under the drive of each locking cylinder, the plurality of pressing blocks are pressed on the material tray on the film pasting platform to fix the material tray on the film pasting platform; The coarse positioning block is located on the peripheral side of the material tray on the film laminating platform, with gap contact; The floating positioning tongue includes a tongue, which is located inside or under the film pasting platform and is installed on the film pasting platform through a floating cylinder. The floating cylinder drives the tongue to float, and the tongue extends through the film pasting platform and extends into the positioning piece groove at the bottom of the material tray on the film pasting platform.

6. The protective film mounting device according to claim 5, characterized in that: The device also includes an electronic control system; the electronic control system includes a touch screen and a PLC, the touch screen and the PLC are installed on a frame, the touch screen is connected to the PLC and communicates with the PLC, the PLC is connected to each detection photoelectric and each solenoid valve installed on the frame, and the PLC is connected to a servo motor or connected to each cylinder through a solenoid valve.

7. The protective film mounting device according to claim 6, characterized in that: The upper cover plate of the frame forms a protective cover on the upper part of the frame, and the protective cover covers each device; the protective cover has doors on four sides, and all doors have windows, and the touch screen is embedded in a door on the front side of the protective cover; The upper cover plate of the frame forms upper and lower material boxes and an electric control box at the lower part of the frame, the upper material bin and the receiving material bin are both located in the upper and lower material boxes, and the PLC is located in the electric control box; The upper and lower material boxes have front and rear opening doors, the upper material bin and the receiving material bin are opened on one side of the box door, a baffle is installed on the upper part of the opening, and opening and closing doors are installed on both sides of the lower part of the opening. Handles are installed on the opening and closing doors, the baffle is fixedly connected to the top plate, and the opening and closing doors are connected to the limit columns through hinges.

8. The protective film mounting device according to claim 7, characterized in that: A FUU fan is installed on the top of the protective cover, and the FUU fan is connected to the PLC; an audible and visual alarm is installed on the top of the rack, and the audible and visual alarm is connected to the PLC; Casters and supporting feet are installed at the bottom of the frame.

Images