Coating device for plastic film processing

Abstract

The utility model discloses a coating device for plastic film processing, and relates to the technical field of plastic film coating. Comprising a workbench, a winding assembly and a limiting assembly are arranged on the workbench, a spraying assembly is arranged in the middle of the workbench and comprises an arch-shaped plate fixed to the middle of the surface of the workbench, screw rods are rotationally inserted into opposite plates of the arch-shaped plate, and the outer ends of the screw rods are fixedly sleeved with gears. Through the arrangement of the spraying assembly, the rotating motor is started, so that the gear located on one side rotates, the first rack and the second rack are close to each other, the first rack and the second rack on the other side drive the gear on the other side to rotate, and it is guaranteed that the rotating directions of the two screw rods are opposite; therefore, the sleeve and the baffle move close to each other as a whole until the sleeve and the baffle make contact with the edge of the plastic film body and stop, then the spraying head conducts spraying operation, the baffle plays a role in shielding coating liquid exceeding the range, and the working environment is effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic film coating, in particular to a coating device for plastic film processing. Background Art

[0002] Plastic film refers to a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, which is used for packaging and as a coating layer. When processing the surface of the plastic film, it is necessary to coat the surface of the plastic film with new materials to give it different properties to meet market demand.

[0003] An existing coating device for polyethylene plastic film processing (authorization announcement number: CN217094604U) has the following defects: the above-mentioned device brushes the cleaning cloth layer through a pump body, a nozzle, and a brushing block, which saves time and effort and ensures the cleaning effect of the plastic film. However, during the coating operation of the plastic film, when the coating liquid is sprayed on the plastic film, it is easy to cause the spraying to exceed the range, which pollutes the environment to a certain extent. For this reason, the utility model is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a coating device for plastic film processing to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coating device for processing plastic film, comprising a workbench, on which a winding assembly and a limiting assembly are arranged, a spraying assembly is arranged in the middle of the workbench, the spraying assembly comprises an arched plate fixed in the middle of the workbench surface, screw rods are rotatably inserted on the opposite plates of the arched plate, gears are sleeved and fixed on the outer ends of the screw rods, a first rack and a second rack are respectively meshed on both sides of the gear, connecting plates are symmetrically arranged in the upper and lower parts of the arched plate, L-shaped rods are fixed at both ends of the connecting plate at the upper position, the L-shaped rods are respectively fixed to the top end of the first rack at the corresponding position, L-shaped rods are fixed at both ends of the connecting plate at the lower position, the L-shaped rods are respectively fixed to the bottom end of the second rack at the corresponding position, and rectangular tubes are installed on the bottom surface of the connecting plate at the upper position and the top surface of the connecting plate at the lower position.

[0006] Preferably, the bottom of the rectangular tube located at the upper position is evenly connected to multiple nozzles, the top of the rectangular tube is connected to a hose, the hose is connected to a connecting folded tube, the outer end of the screw rod located at one side is connected to a rotating motor, a mounting arch plate is fixed on the arch plate, and the rotating motor is mounted on the mounting arch plate.

[0007] Preferably, the top of the rectangular tube located in the lower position is evenly connected to multiple nozzles, the bottom of the rectangular tube is connected to a hose, the hose is connected to a connecting folded tube, one end of the connecting folded tube is connected to a box, and the box is arranged on the back side of the arch plate.

[0008] Preferably, the screw rod is equipped with a sleeve, a baffle is fixed to the inner end of the sleeve, a limiting rod is symmetrically fixed to the outer side of the baffle, the limiting rod is slidably inserted on the arch plate, and a sliding hole adapted to slide with the L-shaped rod is opened on the arch plate.

[0009] Preferably, the winding assembly includes a mounting rod symmetrically arranged on the workbench, a plastic film body is wound on the mounting rod, support plates are arranged at both ends of the mounting rod, placement holes are opened on the support plates, a rotating arc buckle is arranged on the support plate that rotates inward, a winding motor is arranged on the support plate located on one side, and the mounting rod is plugged and connected with the output end of the winding motor.

[0010] Preferably, the limiting assembly includes a rotating rod symmetrically arranged above the workbench, vertical plates are rotatably sleeved on both ends of the rotating rod, the vertical plates are fixed to the workbench, and limiting circular rings are symmetrically sleeved and fixed on the rotating rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The coating device for plastic film processing is provided with a spraying component, and a rotating motor is started to rotate the gear located on one side, so that the first rack and the second rack are close to each other, and the first rack and the second rack on the other side drive the gear on the other side to rotate, ensuring that the two screw rods rotate in opposite directions, so that the sleeve and the baffle plate as a whole move close to each other until they contact the edge of the plastic film body and stop, and then the nozzle is used to perform a spraying operation, and the baffle plate has a shielding effect on the coating liquid beyond the range, effectively protecting the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is the first cross-sectional view of the utility model;

[0015] Figure 3 It is a second cross-sectional view of the utility model;

[0016] Figure 4 It is a three-dimensional split structure schematic diagram of a partial structure of the utility model.

[0017] In the figure: 1. workbench; 2. support plate; 201. mounting rod; 202. rotating arc buckle; 3. vertical plate; 301. rotating rod; 4. arch plate; 401. screw rod; 402. gear; 403. first rack; 404. second rack; 405. L-shaped rod; 406. connecting plate; 407. sleeve; 408. baffle; 409. limit plug rod; 410. sliding hole; 5. rectangular tube; 501. nozzle; 502. hose; 503. connecting folded tube; 504. box. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the processing of plastic film, a coating device is needed to perform double-sided coating on the plastic film. The coating device provided by the utility model is specially used for performing double-sided synchronous spraying on the plastic film body, and the baffle 408 blocks the excess spray material during the coating process to avoid splashing of the coating liquid. In the process of using this device, it is necessary to carry out inspection, installation and other preparatory work in advance to ensure the normal use of the device.

[0020] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a coating device for plastic film processing, comprising a workbench 1, a winding assembly and a limiting assembly are arranged on the workbench 1, a spraying assembly is arranged in the middle of the workbench 1, and the spraying assembly comprises an arched plate 4 fixed in the middle of the surface of the workbench 1, screw rods 401 are rotatably inserted on the opposite plates of the arched plate 4, and gears 402 are sleeved and fixed on the outer ends of the screw rods 401, and the first rack 403 and the second rack 404 are respectively meshed on both sides of the gear 402, and the arched plate 401 is fixed on the outer ends of the screw rods 401. Connecting plates 406 are symmetrically arranged in the upper and lower parts of the plate 4. L-shaped rods 405 are fixed at both ends of the connecting plate 406 at the upper position, and the L-shaped rods 405 are respectively fixed to the top ends of the first racks 403 at the corresponding positions. L-shaped rods 405 are fixed at both ends of the connecting plate 406 at the lower position, and the L-shaped rods 405 are respectively fixed to the bottom ends of the second racks 404 at the corresponding positions. Rectangular tubes 5 are installed on the bottom surface of the connecting plate 406 at the upper position and the top surface of the connecting plate 406 at the lower position.

[0021] In the embodiment, the bottom of the rectangular tube 5 located in the upper position is evenly connected to multiple nozzles 501, the top of the rectangular tube 5 is connected to a hose 502, the hose 502 is connected to a connecting folded tube 503, the outer end of the screw rod 401 located at one side is connected to a rotating motor, a mounting arch plate is fixed on the arch plate 4, and the rotating motor is installed on the mounting arch plate, the top of the rectangular tube 5 located in the lower position is evenly connected to multiple nozzles 501, the bottom of the rectangular tube 5 is connected to a hose 502, the hose 502 is connected to a connecting folded tube 503, one end of the connecting folded tube 503 is connected to a box 504, and the box 504 is arranged on the back side of the arch plate 4, wherein the hose 502 is prior art, the box 504 contains coating liquid, and the box 504, the nozzle 501 and the connecting folded tube 503 are prior art.

[0022] In the embodiment, a sleeve 407 is adapted to be provided on the screw rod 401, a baffle 408 is fixed to the inner end of the sleeve 407, a limiting plug rod 409 is symmetrically fixed to the outer side of the baffle 408, the limiting plug rod 409 is slidably inserted on the arch plate 4, and a sliding hole 410 is opened on the arch plate 4 for sliding with the L-shaped rod 405. Through the setting of the spraying component, the rotating motor is started, so that the gear 402 located on one side rotates, so that the first rack 403 and the second rack 404 are close to each other, so that the first rack 403 and the second rack 404 on the other side drive the gear 402 on the other side to rotate, ensuring that the two screw rods 401 rotate in opposite directions, so that the sleeve 407 and the baffle 408 move closer to each other as a whole until they contact the edge of the plastic film and stop, and then the nozzle 501 is used for spraying operation, and the baffle 408 has a shielding effect on the coating liquid beyond the range, effectively protecting the working environment.

[0023] In the embodiment, the winding component includes a mounting rod 201 symmetrically arranged on the workbench 1, a plastic film body is wound on the mounting rod 201, support plates 2 are arranged at both ends of the mounting rod 201, a placement hole is opened on the support plate 2, a rotating arc buckle 202 is arranged on the support plate 2 to rotate inward, a winding motor is arranged on the support plate 2 located on one side, the mounting rod 201 is plugged and connected with the output end of the winding motor, and the limiting component includes a rotating rod 301 symmetrically arranged above the workbench 1, vertical plates 3 are rotatably sleeved at both ends of the rotating rod 301, the vertical plates 3 are fixed to the workbench 1, and fixed limiting rings are symmetrically sleeved on the rotating rod 301, wherein the rotating motor and the winding motor adopt a servo motor with a self-locking function in the prior art, the two rotating rods 301 are of the same height, and the height of the rotating rod 301 is higher than the height of the plastic film body wound by the mounting rod 201, and the rotating arc buckle 202 is the prior art.

[0024] Working principle: When using this device, the mounting rod 201 is installed on the support plate 2 by rotating the arc buckle 202. A plastic film is rolled up on the mounting rod 201, and the plastic film is unrolled and contacts the rotating rod 301. The rotating rod 301 limits the plastic film to ensure that the plastic mold is in a horizontal state during the rolling process. The rotating motor is started, so that the rectangular tubes 5 approach each other while the baffles 408 approach each other synchronously until they stop at the appropriate position, and then the spraying operation can be carried out.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A coating device for plastic film processing, comprising a workbench (1), characterized in that: A winding assembly and a limiting assembly are arranged on the workbench (1), a spraying assembly is arranged in the middle of the workbench (1), and the spraying assembly comprises an arched plate (4) fixed in the middle of the surface of the workbench (1), screw rods (401) are rotatably inserted on the opposite plates of the arched plate (4), gears (402) are sleeved and fixed on the outer ends of the screw rods (401), a first rack (403) and a second rack (404) are respectively meshed on both sides of the gear (402), and a connecting plate (406) is symmetrically arranged in the arched plate (4), L-shaped rods (405) are fixed at both ends of the connecting plate (406) at the upper position, and the L-shaped rods (405) are respectively fixed to the top ends of the first racks (403) at the corresponding positions; L-shaped rods (405) are fixed at both ends of the connecting plate (406) at the lower position, and the L-shaped rods (405) are respectively fixed to the bottom ends of the second racks (404) at the corresponding positions; and rectangular tubes (5) are installed on the bottom surface of the connecting plate (406) at the upper position and the top surface of the connecting plate (406) at the lower position.

2. A coating device for plastic film processing according to claim 1, characterized in that: The bottom of the rectangular tube (5) located at the upper position is evenly connected to a plurality of nozzles (501), the top of the rectangular tube (5) is connected to a hose (502), the hose (502) is connected to a connecting folded tube (503), the outer end of the screw rod (401) located at one side is connected to a rotating motor, a mounting arch plate is fixed on the arch plate (4), and the rotating motor is mounted on the mounting arch plate.

3. A coating device for plastic film processing according to claim 2, characterized in that: The top of the rectangular tube (5) located at the lower position is evenly connected to a plurality of nozzles (501), the bottom of the rectangular tube (5) is connected to a hose (502), the hose (502) is connected to a connecting folded tube (503), one end of the connecting folded tube (503) is connected to a box (504), and the box (504) is arranged at the back side of the arch plate (4).

4. A coating device for plastic film processing according to claim 1, characterized in that: The screw rod (401) is fitted with a sleeve (407), the sleeve (407) is fixed with a baffle (408) on the inner end, the baffle (408) is symmetrically fixed with a limit rod (409) on the outer side, the limit rod (409) is slidably inserted on the arch plate (4), and the arch plate (4) is provided with a sliding hole (410) adapted to slide with the L-shaped rod (405).

5. A coating device for plastic film processing according to claim 1, characterized in that: The winding assembly comprises a mounting rod (201) symmetrically arranged on the workbench (1), a plastic film body being wound on the mounting rod (201), support plates (2) being arranged at both ends of the mounting rod (201), placement holes being opened on the support plates (2), a rotating arc buckle (202) being arranged on the support plates (2) for rotating inwardly, a winding motor being arranged on the support plate (2) located at one side, and the mounting rod (201) being plug-connected with the output end of the winding motor.

6. A coating device for plastic film processing according to claim 1, characterized in that: The limit assembly comprises a rotating rod (301) symmetrically arranged above the workbench (1), vertical plates (3) are rotatably sleeved on both ends of the rotating rod (301), the vertical plates (3) are fixed to the workbench (1), and a limit ring is symmetrically sleeved and fixed on the rotating rod (301).

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