Automatic pressing mechanism of film laminating machine

Abstract

The utility model discloses an automatic hold-down mechanism of a film laminating machine, which comprises a support frame, an upper hold-down component, a lower hold-down component and a limit component, the upper hold-down component comprises a cylinder arranged at the top of the support frame, a fixed plate arranged at the bottom of the cylinder and a compression roller connected with a bearing of the fixed plate, the lower hold-down component is arranged at the bottom of the support frame, and the limit component is arranged on the support frame. The limiting assembly comprises sliding blocks sliding on the two sides of the supporting frame, a threaded rod connected to the sliding blocks through bearings, a rotating handle arranged on the right side of the threaded rod, positioning rods arranged on the inner sides of the sliding blocks and a limiting plate in threaded connection with the threaded rod. The rotating handle can drive the two limiting plates to be away from or close to each other continuously through the screw rod, after the rotating handle moves to a proper position, the limiting effect is achieved through the two limiting plates, thin film materials or paper is prevented from deviating, meanwhile, the thin film materials or the paper can be placed on the positioning rod, then the thin film materials and the paper can be aligned through the two limiting plates, and therefore the positioning accuracy of the thin film materials or the paper is improved. And the device can be conveniently placed in the middle of the compression roller.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic pressing mechanisms for film laminating, in particular to an automatic pressing mechanism for a film laminating machine. Background Art

[0002] The laminating machine is a special equipment used for paper, board, mounting film and other materials. It applies pressure through rubber rollers and heating rollers to bond the film material to the surface of paper or other materials to achieve the purpose of surface protection, improving appearance, and increasing the specific functions of the material. Among them, the automatic pressing mechanism is one of the core components of the laminating machine. It can press the film material and paper through the pressing roller to make them fit and bond. It ensures the stability and consistency of the laminating process. When the automatic pressing mechanism is in use, the film material or paper will inevitably deviate due to the small tension force, resulting in the film material and paper not fitting well and being difficult to use. At the same time, it is not easy to align the edges of the film material and the paper before use and place them in the middle of the pressing roller, which has certain shortcomings. Utility Model Content

[0003] The utility model aims to solve the problems existing in the prior art or related technologies.

[0004] To this end, the technical solution adopted by the utility model is: an automatic clamping mechanism of a laminating machine, including a support frame, an upper clamping assembly, a lower clamping assembly and a limit assembly, the upper clamping assembly includes a cylinder arranged at the top of the support frame, a fixed plate arranged at the bottom of the cylinder and a pressure roller connected to the fixed plate bearing, the lower clamping assembly is arranged at the bottom of the support frame, and the limit assembly includes a slider sliding on both sides of the support frame, a screw connected to the slider with a bearing, a turning handle arranged on the right side of the screw, a positioning rod arranged on the inner side of the slider, a limit plate threadedly connected to the screw and a tightening knob threadedly connected to the slider.

[0005] Preferably, scale lines are provided on the inner side of the support frame, and sliding grooves are provided on both sides of the support frame.

[0006] Preferably, a gasket is provided at the bottom end of the cylinder, and the gasket is fixedly connected to the fixing plate by bolts.

[0007] Preferably, the lower clamping assembly and the upper clamping assembly have the same structure, and the lower clamping assembly and the upper clamping assembly are symmetrically distributed.

[0008] Preferably, the left and right parts of the screw are provided with two external threads with different directions, and the pitches of the two external threads are the same.

[0009] Preferably, it also includes a dustproof component, which includes a front baffle abutting against the front end of the support frame, a rear baffle abutting against the rear end of the support frame, and a connecting plate arranged at the top ends of the front baffle and the rear baffle.

[0010] By adopting the above technical scheme, the beneficial effects achieved by the utility model are as follows: the turning handle of the limit assembly set in the utility model can drive the two limit plates to continuously move away or closer through the screw rod, and after moving to the appropriate position, the two limit plates play a limiting effect to prevent the film material or paper from deviating, and it is suitable for film materials and papers of different widths. At the same time, the positioning rod set can place the film material or paper, and then the film material and paper can be aligned through the two limit plates, and conveniently placed in the middle position of the pressure roller, and then the set fastening knob can be loosened, and after loosening, the height of the limit assembly can be adjusted for use, and then the cylinders of the upper clamping assembly and the lower clamping assembly set can be synchronously extended and retracted, that is, the film material and paper can be driven up and down by the pressure roller to adjust the tension of the film material and paper, and finally the front baffle and the rear baffle of the dustproof assembly set can move downward, and the movement can cover the front and rear end of the support frame to seal and prevent dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a structural schematic diagram of the support frame, the upper clamping assembly and the lower clamping assembly of the utility model;

[0013] Figure 3 It is a structural schematic diagram of the limit assembly of the utility model.

[0014] Reference numerals:

[0015] 100, support frame; 101, scale line; 102, slide groove;

[0016] 200, upper clamping assembly; 201, cylinder; 202, fixing plate; 203, pressing roller;

[0017] 300, lower clamping assembly;

[0018] 400, limit assembly; 401, slider; 402, screw; 403, positioning rod; 404, limit plate; 405, handle; 406, tightening knob;

[0019] 500, dustproof component; 501, front baffle; 502, rear baffle; 503, connecting plate. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0021] The following describes some embodiments of the utility model in conjunction with the accompanying drawings to provide an automatic pressing mechanism for a laminating machine.

[0022] Embodiment 1:

[0023] Reference Figure 1-3 , which is the first embodiment of the utility model, provides an automatic pressing mechanism for a laminating machine, including a support frame 100, an upper pressing assembly 200, a lower pressing assembly 300 and a limiting assembly 400.

[0024] Specifically, a scale line 101 is provided on the inner side of the support frame 100. The upper clamping assembly 200 and the lower clamping assembly 300 can refer to the scale line 101 when moving for precise adjustment. Slide grooves 102 are provided on both sides of the support frame 100. The slide grooves 102 allow the limit assembly 400 to slide on the support frame 100 to adjust the height of the limit assembly 400.

[0025] Specifically, the upper clamping assembly 200 includes a cylinder 201 arranged on the top of the support frame 100, a fixed plate 202 arranged at the bottom of the cylinder 201, and a pressure roller 203 connected to the bearing of the fixed plate 202. A gasket is arranged at the bottom end of the cylinder 201, and the gasket is fixedly connected to the fixed plate 202 by bolts. The upper clamping assembly 200 is fixed by bolts to facilitate installation and disassembly of the upper clamping assembly 200.

[0026] Specifically, the lower clamping assembly 300 is arranged at the bottom of the support frame 100, and the lower clamping assembly 300 and the upper clamping assembly 200 have the same structure, and the lower clamping assembly 300 and the upper clamping assembly 200 are symmetrically distributed. The cooperation between the lower clamping assembly 300 and the upper clamping assembly 200 can automatically clamp the film material and paper.

[0027] Specifically, the limit assembly 400 includes a slider 401 that slides on both sides of the support frame 100, a screw 402 connected to the slider 401 by a bearing, a turning handle 405 arranged on the right side of the screw 402, a positioning rod 403 arranged on the inner side of the slider 401, a limit plate 404 threadedly connected to the screw 402 and a tightening knob 406 threadedly connected to the slider 401. The tightening knob 406 can be loosened. After the tightening knob 406 is loosened, the height of the limit assembly 400 can be adjusted. After adjustment, the turning handle 405 can be rotated to push the two limit plates 404 to continuously move away or closer through the screw 402. After moving to a suitable position, the film material and the paper are placed on the positioning rod 403, and then the film material and the paper can be aligned through the two limit plates 404. After alignment, they can be placed in the middle position of the pressure roller 203. During the pressing process, the two limit plates 404 have a limiting effect to prevent the film material or paper from deviating.

[0028] It should be noted that the left and right parts of the screw 402 are provided with two external threads in different directions, and the pitches of the two external threads are the same. The two external threads in different directions can push the two limit plates 404 to continuously move away or closer when the screw 402 rotates to facilitate limiting.

[0029] Embodiment 2:

[0030] Reference Figure 1 , which is the second embodiment of the utility model, which is different from the first embodiment in that it also includes a dustproof component 500, the dustproof component 500 includes a front baffle plate 501 abutting against the front end of the support frame 100, a rear baffle plate 502 abutting against the rear end of the support frame 100, and a connecting plate 503 arranged at the top of the front baffle plate 501 and the rear baffle plate 502. The front baffle plate 501 and the rear baffle plate 502 can be moved downward through the connecting plate 503, and after movement, they can cover the front and rear ends of the support frame 100 to seal and prevent dust.

[0031] The working principle and use process of the utility model are as follows: when in use, the fastening knob 406 of the limit assembly 400 can be loosened, and the height of the limit assembly 400 can be adjusted after the fastening knob 406 is loosened. After adjusting to a suitable height, the turning handle 405 can be held tightly and rotated. During the rotation process, the turning handle 405 can drive the two limit plates 404 to continuously move away from or approach each other through the screw 402. After moving to a suitable position, the film material and the paper are placed on the positioning rod 403, and then the film material and the paper can be aligned through the two limit plates 404. After alignment, place It can be placed in the middle position of the pressure roller 203. During the pressing process, the two limit plates 404 can play a limiting role to prevent the film material or paper from deviating. After that, the cylinder 201 of the upper pressing component 200 and the lower pressing component 300 can be controlled to extend and retract synchronously, and the film material and paper can be driven up and down by the pressure roller 203 to adjust the tension of the film material and paper. Finally, the front baffle 501 and the rear baffle 502 of the dustproof component 500 can be moved downward to cover the front and rear ends of the support frame 100 after movement to seal and prevent dust.

[0032] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automatic pressing mechanism for a laminating machine, characterized in that: include: Support frame (100); An upper pressing assembly (200) comprises a cylinder (201) arranged at the top of the support frame (100), a fixing plate (202) arranged at the bottom of the cylinder (201), and a pressing roller (203) connected to a bearing of the fixing plate (202); A lower pressing assembly (300) arranged at the bottom of the support frame (100); The limiting assembly (400) comprises a slider (401) sliding on both sides of the support frame (100), a screw rod (402) connected to the slider (401) by a bearing, a turning handle (405) arranged on the right side of the screw rod (402), a positioning rod (403) arranged on the inner side of the slider (401), a limiting plate (404) threadedly connected to the screw rod (402), and a tightening knob (406) threadedly connected to the slider (401).

2. The automatic pressing mechanism of a laminating machine according to claim 1, characterized in that: The inner side of the support frame (100) is provided with scale lines (101), and both sides of the support frame (100) are provided with sliding grooves (102).

3. The automatic pressing mechanism of a laminating machine according to claim 1, characterized in that: A gasket is provided at the bottom end of the cylinder (201), and the gasket is fixedly connected to the fixing plate (202) via bolts.

4. The automatic pressing mechanism of a laminating machine according to claim 1, characterized in that: The lower pressing assembly (300) and the upper pressing assembly (200) have the same structure, and the lower pressing assembly (300) and the upper pressing assembly (200) are symmetrically distributed.

5. The automatic pressing mechanism of a laminating machine according to claim 1, characterized in that: The left and right parts of the screw rod (402) are provided with two external threads with different directions, and the pitches of the two external threads are the same.

6. The automatic pressing mechanism of a laminating machine according to claim 1, characterized in that: The device also includes a dustproof assembly (500), the dustproof assembly (500) including a front baffle plate (501) abutting against the front end of the support frame (100), a rear baffle plate (502) abutting against the rear end of the support frame (100), and a connecting plate (503) arranged at the top ends of the front baffle plate (501) and the rear baffle plate (502).

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