Automatic cutting device for protective film

Abstract

The utility model discloses a kind of automatic cutting roll devices of protective film, it includes: workbench, first lifting seat, second lifting seat, third lifting seat, sliding seat, cutting knife, first arc clamping plate and second arc clamping plate, first support is vertically provided on sliding seat, the first arc clamping plate is transversely arranged on first support, second arc clamping plate is vertically arranged above first arc clamping plate, first lifting seat is vertically arranged on workbench and located in front of first support, two first V-shaped blocks are vertically arranged on first lifting seat, second support is arranged on workbench and located in first lifting seat side, second lifting seat is vertically arranged on second support and located above first lifting seat, second V-shaped block is vertically arranged on second lifting seat bottom, third lifting seat is vertically arranged above second lifting seat, cutting knife is vertically arranged in third lifting seat rotatably, multiple cutting roll can be realized, degree of automation is high, and production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of protective film processing technology, and in particular to an automatic protective film cutting and rolling device. Background Technology

[0002] In the processing of screen protectors, to improve production efficiency, a wider film material needs to be produced first, and then wound up to obtain a standard length of protective film roll for easy storage and transportation. According to actual needs, the standard length protective film roll is then cut to obtain the target length of the protective film roll.

[0003] In the prior art, utility model patent application number 2021215685581 discloses a fully automatic cutting and rolling machine for various protective films with adjustable cutting size. It uses a three-jaw chuck to rotate the protective film on the outside of the cutting and rolling shaft, and then adjusts the size of the cutting device through the drive box. The second drive motor drives the cutting and rolling blade to rotate, so that the protective film can be cut and rolled. However, it can only cut the cutting and rolling shaft once, and the installation and disassembly of the cutting and rolling shaft is relatively cumbersome, resulting in low production efficiency, which needs to be improved. Utility Model Content

[0004] The purpose of this invention is to provide an automatic protective film cutting and rolling device that can perform multiple cuttings of protective film rolls, thereby improving the stability and production efficiency of the cutting and rolling process.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] An automatic protective film cutting and rolling device includes: a worktable, a first lifting seat, a second lifting seat, a third lifting seat, a slide, a cutter, a first arc-shaped clamping plate, and a second arc-shaped clamping plate. The slide is movably mounted on the worktable, and a first support is vertically mounted on the slide. The first arc-shaped clamping plate is horizontally mounted on the first support, and the second arc-shaped clamping plate is movably mounted above the first arc-shaped clamping plate. The first lifting seat is movably mounted on the worktable and located in front of the first support. Two first V-shaped blocks are spaced apart on the first lifting seat. A second support is mounted on one side of the first lifting seat on the worktable. The second lifting seat is movably mounted on the second support and located above the first lifting seat. Second V-shaped blocks corresponding to the first V-shaped blocks are spaced apart at the bottom of the second lifting seat. The third lifting seat is movably mounted above the second lifting seat. The cutter is rotatably mounted vertically in the third lifting seat, and the bottom of the cutter extends below the space between the two second V-shaped blocks.

[0007] The workbench is provided with a first slide rail located below the slide block in a horizontal direction, and the second support is provided with a second slide rail located on the back of the second lifting seat in a vertical direction.

[0008] The workbench is equipped with an electric lead screw slide that drives the slide to move laterally.

[0009] The first bracket is equipped with a first cylinder that drives the second arc-shaped clamping plate to rise and fall.

[0010] The workbench is equipped with a second cylinder that drives the first lifting seat to rise and fall.

[0011] The third lifting seat is provided with a mounting groove corresponding to the cutter, and a rotating shaft connected concentrically to the cutter is arranged horizontally in the mounting groove. A motor that drives the rotating shaft to rotate is provided on one side of the third lifting seat.

[0012] The second bracket is equipped with a third cylinder that drives the second lifting seat to rise and fall.

[0013] The third lifting seat is equipped with an electric telescopic rod that is connected to the second lifting seat.

[0014] The second lifting seat is provided with a clearance groove corresponding to the cutter.

[0015] The second lifting seat is provided with a guide rod that extends upward through the third lifting seat.

[0016] The beneficial effects of this utility model are as follows: An automatic protective film cutting and rolling device uses a first arc-shaped clamping plate and a second arc-shaped clamping plate to clamp the tail end of the protective film roll, and uses a sliding block to automatically and intermittently move the protective film roll forward to achieve multiple cutting and rolling. During the cutting and rolling process, the first lifting seat rises and the second lifting seat falls. Through the cooperation of the first V-shaped block and the second V-shaped block, the protective film roll is clamped on both sides of the cutting position. Then, the descent of the third lifting seat drives the rotating cutter to cut and roll the protective film roll. The device has a high degree of automation, a stable cutting and rolling process, and improves production efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 yes Figure 1 A schematic diagram of the structure after the first lifting seat has descended. Detailed Implementation

[0019] The following is combined Figures 1-2 The technical solution of this utility model will be further illustrated through specific embodiments.

[0020] like Figure 1 and Figure 2The automatic protective film cutting and rolling device shown includes: a worktable 1, a first lifting seat 2, a second lifting seat 19, a third lifting seat 18, a slide 11, a cutter 5, a first arc-shaped clamping plate 9, and a second arc-shaped clamping plate 8. The slide 11 is slidably mounted on the worktable 1. A first slide rail 12 is horizontally arranged on the worktable 1 below the slide 11 to improve the lateral stability of the slide 11. An electric lead screw slide 25 is provided on the worktable 1 to drive the slide 11 lateral movement. The electric lead screw slide 25 can be controlled by a PLC to improve the displacement accuracy and automation level of the slide 11 lateral movement.

[0021] A first support 10 is vertically mounted on the slide block 11, and a first arc-shaped clamping plate 9 is horizontally mounted on the first support 10. It can be fixed by screws or welding to improve structural stability. A second arc-shaped clamping plate 8 is vertically mounted above the first arc-shaped clamping plate 9 to clamp the tail end of the protective film roll 13. In this embodiment, a first cylinder 7 is mounted on the first support 10 to drive the second arc-shaped clamping plate 8 to move up and down. The first cylinder 7 can be controlled by a PLC to drive the first arc-shaped clamping plate 9, ensuring the clamping stability of the tail end of the protective film roll 13 during the cutting process.

[0022] The first lifting seat 2 is movably mounted on the workbench 1 and located in front of the first support 10. Two first V-shaped blocks 15 are arranged at intervals in front and behind the first lifting seat 2. In this embodiment, the workbench 1 is provided with a second cylinder 16 that drives the first lifting seat 2 to move up and down. The second cylinder 16 can be controlled by a PLC to drive the first lifting seat 2 and the first V-shaped blocks 15 to move upward, thereby supporting and centering the front end of the protective film roll 13 and improving the stability of the force during cutting.

[0023] A second support 20 is provided on the workbench 1, located on one side of the first lifting seat 2. The second lifting seat 19 is movably mounted on the second support 20 and located above the first lifting seat 2. In this embodiment, a second slide rail 17 is vertically mounted on the second support 20, located on the back of the second lifting seat 19, to guide the lifting of the second lifting seat 19 and improve the stability of the lifting of the second lifting seat 19.

[0024] like Figure 2 As shown, the second bracket 20 is equipped with a third cylinder 24 that drives the second lifting seat 19 to rise and fall. The third cylinder 24 can be extended and retracted by a PLC to realize the automatic lifting and lowering of the second lifting seat 19.

[0025] The bottom of the second lifting seat 19 is provided with second V-shaped blocks 14 that correspond one-to-one with the first V-shaped blocks 15, such as... Figure 1As shown, before the roll is cut, the second V-shaped block 14 descends with the second lifting seat 19 and, by cooperating with the first V-shaped block 15, clamps the front end of the protective film roll 13. Moreover, the clamping point is located on both sides of the cutting point, ensuring the stability of the protective film roll 13 during the cutting process.

[0026] The third lifting seat 18 is movably positioned above the second lifting seat 19. The second lifting seat 19 has a guide rod 21 extending upwards through the third lifting seat 18 to guide its movement. In this embodiment, the third lifting seat 18 is equipped with an electrically operated telescopic rod 23 connected to the second lifting seat 19. The telescopic rod 23 can be controlled by a PLC to extend and retract, thereby raising and lowering the third lifting seat 18.

[0027] The cutter 5 is rotatably and vertically mounted in the third lifting seat 18, such as... Figure 1 As shown, the third lifting seat 18 is provided with a mounting groove 4 corresponding to the cutter 5. The cutter 5 adopts a disc structure. A rotating shaft 3 concentrically connected to the cutter 5 is arranged horizontally in the mounting groove 4. A motor 6 that drives the rotating shaft 3 to rotate is provided on one side of the third lifting seat 18 to realize the high-speed rotation of the cutter 5.

[0028] The bottom of the cutter 5 extends below the space between the two second V-shaped blocks 14, allowing for the cutting and winding of the protective film roll 13 during descent. In this embodiment, the second lifting seat 19 is provided with a clearance groove 22 corresponding to the cutter 5, which does not affect the descent of the cutter 5. After a single cut and roll, as... Figure 2 As shown, the second lifting seat 19 and the third lifting seat 18 rise to reset, and the first lifting seat 2 falls to reset. The protective film roll 13 is automatically and intermittently moved forward through the slide seat 11, and then cut again. This process is repeated multiple times to improve the level of automation.

[0029] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An automatic protective film cutting and rolling device, characterized in that, include: The system comprises a workbench, a first lifting seat, a second lifting seat, a third lifting seat, a slide, a cutter, a first arc-shaped clamp, and a second arc-shaped clamp. The slide is horizontally movably mounted on the workbench, and a first support is vertically mounted on the slide. The first arc-shaped clamp is horizontally mounted on the first support, and the second arc-shaped clamp is vertically mounted above the first arc-shaped clamp. The first lifting seat is vertically mounted on the workbench and located in front of the first support. Two first V-shaped blocks are spaced apart on the first lifting seat. A second support is mounted on one side of the first lifting seat on the workbench. The second lifting seat is vertically mounted on the second support and located above the first lifting seat. Second V-shaped blocks, corresponding one-to-one with the first V-shaped blocks, are spaced apart at the bottom of the second lifting seat. The third lifting seat is vertically mounted above the second lifting seat. The cutter is rotatably mounted vertically in the third lifting seat, and the bottom of the cutter extends below the space between the two second V-shaped blocks.

2. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The workbench is provided with a first slide rail located below the slide block in a horizontal direction, and the second support is provided with a second slide rail located on the back of the second lifting seat in a vertical direction.

3. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The workbench is equipped with an electric lead screw slide that drives the slide to move laterally.

4. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The first support is equipped with a first cylinder that drives the second arc-shaped clamp to rise and fall.

5. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The workbench is equipped with a second cylinder that drives the first lifting seat to move up and down.

6. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The third lifting seat is provided with a mounting groove corresponding to the cutter. A rotating shaft connected concentrically to the cutter is arranged horizontally in the mounting groove. A motor that drives the rotating shaft to rotate is provided on one side of the third lifting seat.

7. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The second bracket is equipped with a third cylinder that drives the second lifting seat to rise and fall.

8. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The third lifting platform is equipped with an electric telescopic rod that is connected to the second lifting platform.

9. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The second lifting seat is provided with a clearance groove corresponding to the cutter.

10. The automatic protective film cutting and rolling device according to claim 1, characterized in that, The second lifting seat is provided with a guide rod that extends upward through the third lifting seat.

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