Coating machine tensioning mechanism for protective film production

Abstract

The utility model discloses a coating machine tensioning mechanism for protective film production, which comprises a support frame, a support roller is mounted on the front side of the top of the support frame, a top plate is fixed at the top end of the support frame, an electric telescopic rod is mounted on the top plate, and a top mounting frame is fixed at the bottom end of the electric telescopic rod. A positioning roller is rotatably mounted at the bottom of the top mounting frame, a first servo motor is fixed to the bottom of the rear side of the supporting frame, a vertical threaded rod is mounted at the output end of the top of the first servo motor and connected with the rear end of a horizontal plate, and the horizontal plate penetrates through the rail window. According to the coating machine tensioning mechanism for protective film production, the novel structural design is adopted, films with different thicknesses are stably supported and positioned through the symmetrical supporting and positioning mechanisms, the tensioning rollers which are symmetrically arranged are adopted, the vertical height and the horizontal distance of the tensioning rollers can be conveniently and rapidly adjusted, the tensioning effect is greatly improved, and the production efficiency is improved. And the overall applicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective film production, and specifically relates to a coating machine tensioning mechanism for protective film production. BACKGROUND

[0002] Protective films are commonly used to protect surfaces, such as electronic product screens, car paint surfaces, building materials, etc., from scratches, dust, corrosion, etc., and are coated with various materials, such as pressure-sensitive adhesive, release agent, anti-static coating, anti-glare coating, hardening coating, anti-fingerprint coating, UV curing coating, and silicone coating, etc. Each coating has a different function, such as pressure-sensitive adhesive for adhesion, release agent for easy peeling, anti-static coating to prevent static electricity from attracting dust, anti-glare to reduce reflection, hardening layer to increase surface hardness, anti-fingerprint coating to make the surface easy to clean, UV curing for fast drying, and silicone coating for high-temperature environments.

[0003] Existing coating machine tensioning mechanisms for protective film production, such as the Chinese utility model patent named "Coating Machine Tensioning Mechanism" with publication number CN218691163U, only use a single roller body with adjustable vertical position for tensioning, which cannot stably position the protective film, has a single adjustment method, and cannot conveniently adjust according to the characteristics of different films. Therefore, a coating machine tensioning mechanism for protective film production needs to be designed to address the above issues. SUMMARY

[0004] The utility model aims to provide a coating machine tensioning mechanism for protective film production to solve the problem of existing devices only using a single roller body with adjustable vertical position for tensioning, which cannot stably position the protective film, has a single adjustment method, and cannot conveniently adjust according to the characteristics of different films.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coating machine tensioning mechanism for protective film production, comprising a support frame, a support roller is installed on the top front side of the support frame, a top plate is fixed on the top end of the support frame, an electric telescopic rod is installed on the top plate, a top mounting bracket is fixed at the bottom end of the electric telescopic rod, a positioning roller is rotatably installed at the bottom of the top mounting bracket, a first servo motor is fixed at the bottom of the rear side of the support frame, a vertical screw rod is installed at the top output end of the first servo motor, the vertical screw rod is connected with the rear end of the horizontal plate, the horizontal plate penetrates through the track window, the track window is opened at the bottom of the vertical part of the support frame, a second servo motor is fixed on the bottom surface of the front side of the horizontal plate, a horizontal screw rod is installed at the output end of the second servo motor, the horizontal screw rod is connected with the bottom of the vertical plate, the vertical plate penetrates through the limiting window, the limiting window is opened on the front side of the horizontal plate, a bottom mounting bracket is fixed on the top end of the vertical plate, and a tensioning roller is rotatably installed on the top of the bottom mounting bracket.

[0006] Preferably, the support roller center and the positioning roller center are on the same vertical plane, and the support roller and the positioning roller are horizontally symmetrically distributed about the support frame center.

[0007] Preferably, the vertical threaded rod is threadedly connected with the horizontal plate, and the vertical threaded rod is symmetrically distributed about the horizontal plate center.

[0008] Preferably, a resistance reduction pulley is rotatably mounted on the side surface of the horizontal plate, and the resistance reduction pulley end is attached to the vertical part of the support frame.

[0009] Preferably, the resistance reduction pulleys are symmetrically distributed about the track window center in front and back, and the resistance reduction pulleys are symmetrically distributed about the horizontal plate center in left and right.

[0010] Preferably, the horizontal plate is slidably connected with the track window, and the front view length of the horizontal plate is greater than 1 / 3 of the front view length of the support frame.

[0011] Preferably, the screw directions of the threads on the two sides of the horizontal threaded rod center are opposite, and vertical plates are symmetrically installed on the horizontal threaded rod.

[0012] Preferably, the horizontal threaded rod is symmetrically distributed about the vertical plate center in front and back, and the vertical plate is slidably connected with the limiting window.

[0013] Compared with the prior art, the protective film production coating machine tensioning mechanism has the beneficial effects that: the protective film production coating machine tensioning mechanism adopts a novel structure design, different thickness films are stably supported and positioned through the symmetrical support positioning mechanism, the vertical height and horizontal spacing of the tensioning rollers can be conveniently adjusted, the tensioning effect is greatly improved, and the applicability of the device as a whole is improved.

[0014] 1. The protective film is stably supported by the symmetrically distributed support rollers, the vertically moving top mounting frame and the positioning roller are driven by the electric telescopic rod, the stable positioning of the protective film of different thicknesses is realized, and the stability of the protective film during the tensioning process is ensured.

[0015] 2. The vertical threaded rod is driven to rotate by the first servo motor, the horizontal plate is driven to vertically move along the track window by the vertical threaded rod, the working height of the tensioning roller is adjusted, longitudinal stretching tensioning is performed, the horizontal threaded rod drives the symmetrically distributed vertical plates to move along the limiting window at the same speed and in opposite directions by utilizing the threads with opposite screw directions on the two sides of the center of the horizontal threaded rod, and horizontal tensioning is performed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a side view structural schematic diagram of the utility model;

[0018] Figure 3 It is the front view sectional structure schematic diagram of the utility model;

[0019] Figure 4 It is the side view sectional structure schematic diagram of the utility model;

[0020] Figure 5 It is the horizontal board and track window fit place overhead sectional structure schematic diagram of the utility model.

[0021] In the drawing: 1, support frame;2, support roller;3, top plate;4, electric telescopic rod;5, top mounting frame;6, positioning roller;7, first servo motor;8, vertical screw rod;9, horizontal plate;10, track window;11, resistance reducing pulley;12, second servo motor;13, horizontal screw rod;14, vertical plate;15, limit window;16, bottom mounting frame;17, tensioning roller. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a coating machine tensioning mechanism of protective film production, including support frame 1, support roller 2, top plate 3, electric telescopic rod 4, top mounting frame 5, positioning roller 6, first servo motor 7, vertical screw rod 8, horizontal plate 9, track window 10, resistance reducing pulley 11, second servo motor 12, horizontal screw rod 13, vertical plate 14, limit window 15, bottom mounting frame 16 and tensioning roller 17, support frame 1 top front side is equipped with support roller 2, support frame 1 top end is fixed with top plate 3, top plate 3 is installed with electric telescopic rod 4, electric telescopic rod 4 bottom end is fixed with top mounting frame 5, top mounting frame 5 bottom is rotatably installed with positioning roller 6, support frame 1 rear bottom is fixed with first servo motor 7, first servo motor 7 top output end is equipped with vertical screw rod 8, vertical screw rod 8 is connected with the rear end of horizontal plate 9, horizontal plate 9 penetrates track window 10, track window 10 is set in the vertical part bottom of support frame 1, horizontal plate 9 front side bottom is fixed with second servo motor 12, the output end of second servo motor 12 is equipped with horizontal screw rod 13, horizontal screw rod 13 is connected with the bottom of vertical plate 14, vertical plate 14 penetrates limit window 15, limit window 15 is set in the front side of horizontal plate 9, vertical plate 14 top end is fixed with bottom mounting frame 16, bottom mounting frame 16 top is rotatably installed with tensioning roller 17.

[0024] The center of the supporting roller 2 and the center of the positioning roller 6 are in the same vertical plane, and the supporting roller 2 and the positioning roller 6 are horizontally symmetrically distributed about the center of the supporting frame 1. The above structure design enables the supporting roller 2 and the positioning roller 6 to stably position and convey the protective film.

[0025] The vertical threaded rod 8 is threadedly connected with the horizontal plate 9, and the vertical threaded rod 8 is symmetrically distributed about the center of the horizontal plate 9. The above structure design enables the vertical threaded rod 8 to stably drive the horizontal plate 9 to move linearly.

[0026] The horizontal plate 9 is rotatably installed on the side of the horizontal plate 9, and the end of the horizontal plate 9 is attached to the vertical part of the supporting frame 1. The above structure design can support the horizontal plate 9, so that the horizontal plate 9 can be stably kept horizontal and can be stably vertically slid along the track window 10.

[0027] The horizontal plate 9 is rotatably installed on the side of the horizontal plate 9, and the end of the horizontal plate 9 is attached to the vertical part of the supporting frame 1. The above structure design can support the horizontal plate 9, so that the horizontal plate 9 can be stably kept horizontal and can be stably vertically slid along the track window 10.

[0028] The horizontal plate 9 is slidably connected with the track window 10, and the front view length of the horizontal plate 9 is greater than 1 / 3 of the front view length of the supporting frame 1. The above structure design ensures that the stability of the horizontal plate 9 is sufficient, and the horizontal plate 9 can be stably linearly displaced along the track window 10.

[0029] The horizontal threaded rod 13 is symmetrically threadedly installed with the vertical plate 14, and the screw directions of the threads on the two sides of the center of the horizontal threaded rod 13 are opposite. The above structure design enables the horizontal threaded rod 13 to drive the symmetrically distributed vertical plate 14 to move linearly at the same speed and in opposite directions when the horizontal threaded rod 13 is rotated.

[0030] The horizontal threaded rod 13 is symmetrically distributed about the center of the vertical plate 14, and the vertical plate 14 is slidably connected with the limiting window 15. The above structure design enables the vertical plate 14 to stably linearly displace along the limiting window 15.

[0031] Working principle: when in use, as Figure 3As shown, the protective film is passed above the supporting roller 2 and below the tensioning roller 17, the electric telescopic rod 4 is controlled to extend, the top mounting frame 5 and the positioning roller 6 are pushed to move vertically downwards until the positioning roller 6 extrudes the protective film to adhere to the top of the supporting roller 2, the first servo motor 7 is controlled to drive the vertical screw rod 8 to rotate, the horizontal plate 9 is driven to move vertically along the track window 10, the horizontal plate 9 with the tensioning roller 17 moves downwards, the tensioning roller 17 longitudinally pulls and tensions the protective film, the second servo motor 12 is controlled to drive the horizontal screw rod 13 to rotate, the horizontal screw rod 13 drives the vertical plate 14 on both sides of the center to horizontally slide away from the limiting window 15 with the bottom mounting frame 16 and the tensioning roller 17, and the protective film is horizontally pulled and tensioned;

[0032] After the adjustment is completed, the first servo motor 7 is controlled to stop working to lock the vertical screw rod 8, the second servo motor 12 is controlled to stop working to lock the horizontal screw rod 13, the vertical screw rod 8 and the horizontal screw rod 13 respectively fix the positions of the horizontal plate 9 and the vertical plate 14 by using thread self-locking, and the supporting roller 2 is started to work to convey the protective film, which is the working principle of the tensioning mechanism of the coating machine for producing the protective film.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A coating machine tensioning mechanism for protective film production, comprising a support frame (1), characterized in that: The support frame (1) top front side is provided with a support roller (2), the support frame (1) top is fixed with a top plate (3), the top plate (3) is installed with an electric telescopic rod (4), the electric telescopic rod (4) bottom is fixed with a top mounting bracket (5), the top mounting bracket (5) bottom is rotatably installed with a positioning roller (6), the support frame (1) rear bottom is fixed with a first servo motor (7), the first servo motor (7) top output end is installed with a vertical screw rod (8), the vertical screw rod (8) is connected with the rear end of a horizontal plate (9), the horizontal plate (9) penetrates a track window (10), the track window (10) is opened in the vertical part bottom of support frame (1), the horizontal plate (9) front bottom is fixed with a second servo motor (12), the output end of the second servo motor (12) is installed with a horizontal screw rod (13), the horizontal screw rod (13) is connected with the bottom of a vertical plate (14), the vertical plate (14) penetrates a limiting window (15), the limiting window (15) is opened in the front side of horizontal plate (9), the vertical plate (14) top is fixed with a bottom mounting bracket (16), the bottom mounting bracket (16) top is rotatably installed with a tensioning roller (17).

2. The tensioning mechanism for a coating machine for producing protective films according to claim 1, characterized in that: The support roller (2) center and the positioning roller (6) center are on the same vertical plane, the support roller (2) and the positioning roller (6) are horizontally symmetrically distributed about the center of the support frame (1).

3. The tensioning mechanism for a coating machine for producing protective films according to claim 1, characterized in that: The vertical screw rod (8) and the horizontal plate (9) are screw connected, the vertical screw rod (8) is symmetrically distributed about the center of the horizontal plate (9).

4. The tensioning mechanism for a coating machine for producing protective films according to claim 1, characterized in that: The horizontal plate (9) side is rotatably installed with a resistance reducing pulley (11), the resistance reducing pulley (11) end is attached with the vertical part of the support frame (1).

5. The tensioning mechanism for a coating machine for producing protective films according to claim 4, characterized in that: The resistance reducing pulley (11) is symmetrically distributed about the center of the track window (10) front and back, the resistance reducing pulley (11) is symmetrically distributed about the center of the horizontal plate (9) left and right.

6. The tensioning mechanism for a coating machine for producing protective films according to claim 1, characterized in that: The horizontal plate (9) and the track window (10) are slidingly connected, the front view length of the horizontal plate (9) is greater than 1 / 3 of the front view length of the support frame (1).

7. The tensioning mechanism for a coating machine for producing protective films according to claim 1, characterized in that: The horizontal screw rod (13) center two sides screw thread spiral direction is opposite, the horizontal screw rod (13) is symmetrically screw threaded with the vertical plate (14).

8. The tensioning mechanism for a coating machine for producing protective films according to claim 1, characterized in that: The horizontal screw rod (13) is symmetrically distributed about the center of the vertical plate (14) front and back, the vertical plate (14) and the limiting window (15) are slidingly connected.

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