A stable film-sticking mechanism for protective film of stone plastic plate

By setting up a folded linear feed channel and a compression device in the stone plastic sheet filming mechanism, pre-stretching and tightly fitting the protective film, the problems of poor filming and uncovered edges are solved, and better filming effect and production efficiency are achieved.

CN222712848UActive Publication Date: 2025-04-04ZHEJIANG JINHUA LANSEN DECORATION MATERIALS CO LTD
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Patent Information

Application Number
CN202420849328.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-04-04
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

During the process of applying stone plastic sheets, the degree of fit between the protective film and the sheet is poor, and hollow bubbles are prone to occur. The protective film after the film is applied will shrink during cutting, resulting in the edge of the sheet being uncovered.

Method used

A stone plastic sheet protective film stabilization film mechanism is designed, by setting the feed channel into a folded line, pre-stretching the protective film, and a compression device is provided at the connection between the first feed channel and the second feed channel to ensure the extrusion effect of the protective film during the bonding process.

Benefits of technology

It effectively improves the fit between the protective film and the board, avoids the problems of hollow bubbles and uncovered edges. At the same time, a certain shrinkage allowance for the protective film is given before cutting, preventing the edge shrinkage from affecting the filming effect.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a protective film stable film laminating mechanism for stone plastic plate, including a feed channel for feeding plate, a film frame device arranged above the feed channel for placing the protective film, a pressing device arranged above the feed channel for pressing the protective film to the surface of the plate, and a cutting device arranged at the discharge port, the feed channel is distributed in a broken line shape, and the feed channel includes a first feed channel, a second feed channel, a third feed channel and a discharge channel in the order of feeding, the first feed channel and the second material channel are in an inverted "V" shape, the second feed channel and the third material channel are mirror images of each other, and the discharge channel is arranged horizontally. The protective film stable film laminating mechanism for stone plastic plate disclosed by the utility model has a wide range of applications and good film laminating effect, which can not only make the plate and the protective film have an excellent fit, but also prevent the edge shrinkage of the protective film during cutting from affecting the film laminating effect.
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Description

Technical Field

[0001] The utility model belongs to the technical field of stone plastic plate processing devices, in particular to a stable film sticking mechanism for a protective film of a stone plastic plate. Background Art

[0002] Stone plastic sheet is formed by extruding into a plate shape, and then through hot melt adhesive composite pattern layer, wear-resistant layer, to form a sheet with certain usage scenarios. Stone plastic material is actually PVC material, using stone powder and plastic resin to form a high-density, high-fiber mesh structure of the solid base, the surface is covered with super wear-resistant polymer PVC wear-resistant layer, processed through multiple processes, stone plastic sheet products have realistic and beautiful texture, super wear resistance, bright and non-slip surface, and are widely used in current interior decoration. At present, some of the stone plastic wall panels on the market are covered with PVC film or PVC wall cloth and other materials on the surface of the stone plastic substrate to form a decorative surface, and some stone plastic wall panels are formed on the surface of the stone plastic substrate by printing, coating and other methods to form a decorative surface.

[0003] In order to prevent the surface of the stone plastic board from being scratched during transportation, the decorative surface of the board needs to be affixed with a transparent protective film before leaving the factory. However, the following problems exist in the process of film pasting: 1. Since the pressure roller of the protective film is not tight enough during the film pasting process, the fit between the protective film and the board is poor, and some areas are prone to hollow bubbles; 2. With the change of surface temperature and surface tension of the protective film during the film pasting process, the protective film will shrink after being cut, resulting in the phenomenon of no film on the edge of the board. In view of the above problems, it is urgent to design a mechanism that can stably apply film on the surface of the stone plastic board. Utility Model Content

[0004] The utility model proposes a stable film-laminating mechanism for a protective film of a stone plastic plate. By setting a feed channel in a folded line shape, the surface of the plate can be arched before film lamination, so that the protective film laminating on the surface of the plate is pre-stretched, giving the protective film a certain shrinkage margin; by setting a clamping device at the connection between the first feed channel and the second feed channel, a better fit of the protective film during the laminating process can be ensured, effectively solving the problems in the prior art.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A protective film stable film laminating mechanism for stone plastic plate comprises a feed channel for feeding plate material, a film frame device arranged above the feed channel for placing the protective film, a pressing device arranged above the feed channel for pressing the protective film against the surface of the plate material, and a cutting device arranged at the discharge port, wherein the feed channel is distributed in a zigzag shape, and the feed channels include a first feed channel, a second feed channel, a third feed channel and a discharge channel in the order of feeding, the first feed channel and the second material channel are in an inverted "V" shape, the second feed channel and the third material channel are mirror images of each other, the discharge channel is arranged horizontally, the film frame device is located above the first feed channel, the pressing device is located at the connection between the first feed channel and the second feed channel, and the cutting device is located at the connection between the third feed channel and the discharge channel.

[0007] Furthermore, the film frame device includes a fixed frame fixedly arranged on the upper part of the feed channel, a mobile frame slidably connected to the fixed frame, a first driving device for driving the mobile frame to slide on the fixed frame, and a roller rotatably connected to the mobile frame for placing a protective film, a slider with an inverted "T"-shaped cross-section is fixedly arranged at the bottom of the mobile frame, a first sliding groove that cooperates with the slider is opened on the surface of the fixed frame, and the first driving device is a ball screw.

[0008] Furthermore, the clamping device includes a clamping frame fixedly arranged on both sides of the feed channel, a clamping assembly vertically slidably arranged between the clamping frames, and a second driving device that drives the clamping rollers to perform the clamping action. The second driving device is a driving cylinder that is arranged on the upper part of the clamping frame and can work synchronously.

[0009] Furthermore, a tensioning roller for tensioning the protective film is fixedly connected between the clamping frames. The clamping assembly includes an axe-blade-shaped pressure block fixedly arranged on the piston rod of the driving cylinder and a pressure roller rotatably connected to the center position of the pressure block. Slide rails are arranged on both sides of the pressure block, and a second slide groove matching the slide rail is opened on the inner side of the clamping frame.

[0010] Furthermore, the included angle between the first feed channel and the second feed channel is 160°, and the included angle between the second feed channel and the third feed channel is 150°.

[0011] Furthermore, the discharging channel includes a discharging roller rotatably connected to the discharging channel, rollers rotatably arranged on both sides of the discharging channel to cooperate with the discharging roller to discharge materials, and a limiting device arranged on both sides of the discharging channel for limiting the discharging direction of the plate.

[0012] Furthermore, the limiting device includes limiting plates arranged on both sides of the discharge channel, an adjustment plate fixedly connected to the discharge channel for adjusting the limiting width of the limiting plates, and a fastening bolt for fixing the limiting plates.

[0013] Furthermore, the number of the film rack devices is two.

[0014] The utility model has the following characteristics and beneficial effects:

[0015] The utility model relates to a stable film-sticking mechanism for protective film of stone plastic plate. By setting the feed channel into a multi-section fold line shape, the surface of the plate can be arched downward before film sticking, and the surface of the plate can be arched upward after film sticking, so that the protective film before and after sticking is pre-stretched, and a certain shrinkage margin is given to the protective film before cutting. By setting the clamping device in the concave part of the feed channel, the plate can be better squeezed during the protective film sticking process to make the protective film fit better. By setting the film frame as a width-adjustable structure, the plate can adapt to the film sticking of plates of different sizes. By setting a vertical motion drive device on the clamping device, the close fit between the plate and the protective film can be further ensured. The utility model relates to a stable film-sticking mechanism for protective film of stone plastic plate. The utility model has a wide range of applications and good film sticking effect. It can not only make the plate and the protective film have an excellent fit, but also prevent the edge shrinkage of the protective film from affecting the film sticking effect during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a structural schematic diagram of a stable film-sticking mechanism for a protective film of a stone-plastic plate according to the utility model;

[0018] Figure 2 The utility model is a schematic diagram of the connection structure of a film frame device and a pressing device in a stable film sticking mechanism for a protective film of a stone-plastic plate.

[0019] In the figure: 1-feed channel; 101-first feed channel; 102-second feed channel; 103-third feed channel; 104-discharge channel; 1041-discharge roller; 1042-roller; 2-film frame device; 21-fixed frame; 211-first slide groove; 22-movable frame; 221-slider; 23-first drive device; 24-roller; 3-clamping device; 31-clamping frame; 311-second slide groove; 32-clamping assembly; 321-pressing block; 322-pressing roller; 323-slide rail; 33-second drive device; 34-tensioning roller; 4-cutting device; 5-limiting device; 51-limiting plate; 52-adjusting plate; 53-fastening bolt. DETAILED DESCRIPTION

[0020] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] Reference Figure 1 and Figure 2 As shown, a structural schematic diagram of a protective film stable film laminating mechanism for a stone plastic plate and a schematic diagram of a connection structure of a film frame device and a pressing device, a protective film stable film laminating mechanism for a stone plastic plate, comprising a feeding channel 1 for feeding a plate, a film frame device 2 arranged above the feeding channel 1 for placing a protective film, a pressing device 3 arranged above the feeding channel 1 for pressing the protective film onto the surface of the plate, and a cutting device 4 arranged at the discharge port, the feeding channel 1 is distributed in a broken line shape, and the feeding channel 1 includes a first feeding channel 101, a second feeding channel 102, a third feeding channel 103 and a discharge channel 104 in the feeding order, the first feeding channel 101 and the second material channel are in an inverted "V" shape, the second feeding channel 102 and the third material channel are mirror images of each other, the angle between the first feeding channel 101 and the second feeding channel 102 is 160°, and the second feeding channel 10 2 and the third feed channel 103 form an angle of 150°, the discharge channel 104 is horizontally arranged, and the feed channel 1 is arranged as a multi-segment folded line shape so that the surface of the plate can be arched downward before film lamination, and the surface of the plate can be arched upward after the film lamination, so that the protective film before and after lamination is pre-stretched, and a certain shrinkage margin is given to the protective film before cutting, which effectively avoids the edge shrinkage of the protective film during cutting and affects the film lamination effect. The film frame device 2 is located above the first feed channel 101, and the clamping device 3 is located at the connection between the first feed channel 101 and the second feed channel 102. By arranging the clamping device 3 at the concave part of the feed channel 1, it can ensure that the plate is better squeezed during the protective film lamination process to make the protective film fit better. The cutting device 4 is located at the connection between the third feed channel 103 and the discharge channel 104, and the cutting device 4 is a conventional blade cutting device 4.

[0022] The film frame device 2 includes a fixed frame 21 fixedly arranged on the upper part of the feed channel 1, a mobile frame 22 slidably connected to the fixed frame 21, a first driving device 23 driving the mobile frame 22 to slide on the fixed frame 21, and a roller 24 rotatably connected to the mobile frame 22 for placing a protective film. A slider 221 with an inverted "T"-shaped cross-section is fixedly arranged at the bottom of the mobile frame 22, and a first slide groove 211 matching the slider 221 is provided on the surface of the fixed frame 21. The first driving device 23 is a ball screw. By setting the film frame as a width-adjustable structure, the plate can adapt to the film sticking of plates of different sizes. The number of film frame devices 2 is two. The provision of two film frame devices 2 can facilitate the timely replacement of the protective film during production to ensure production efficiency.

[0023] The clamping device 3 includes a clamping frame 31 fixedly arranged on both sides of the feed channel 1, a clamping assembly 32 vertically slidably arranged between the clamping frames 31, and a second driving device 33 driving the clamping roller to perform a clamping action. The second driving device 33 is a driving cylinder arranged on the upper part of the clamping frame 31 and can work synchronously. By arranging a vertically moving driving device on the clamping device 3, the close fit between the plate and the protective film can be further ensured. A tensioning roller 34 for tensioning the protective film is also fixedly connected between the clamping frames 31. The clamping assembly 32 includes an axe-blade-shaped pressure block 321 fixedly arranged on the piston rod of the driving cylinder and a pressure roller 322 rotatably connected to the center position of the pressure block 321. Slide rails 323 are arranged on both sides of the pressure block 321. A second slide groove 311 cooperating with the slide rail 323 is opened on the inner side of the clamping frame 31. The stability of the movement of the pressure roller 322 can be ensured by driving the cylinder to cooperate with the pressure block 321 to move in the clamping frame 31.

[0024] The discharging channel 104 includes a discharging roller 1041 rotatably connected to the discharging channel 104, rollers 1042 rotatably arranged on both sides of the discharging channel 104 to cooperate with the discharging roller 1041 for discharging, and a limiting device 5 arranged on both sides of the discharging channel 104 for limiting the discharging direction of the plate. The limiting device 5 includes a limiting plate 51 arranged on both sides of the discharging channel 104, an adjusting plate 52 fixedly connected to the discharging channel 104 for adjusting the limiting width of the limiting plate 51, and a fastening bolt 53 for fixing the limiting plate 51. The structure in which the discharging roller 1041 cooperates with the rollers 1042 on both sides to discharge the plate together can ensure that the two sides of the plate will not bend downward to affect the quality of the plate when the plate is discharged. The adjustable limiting device 5 can ensure the stability of the discharging direction of the plate and prevent the plate from escaping from the discharging channel 104.

[0025] The utility model provides a stable film sticking mechanism for a stone plastic plate protective film, which has a wide application range and a good film sticking effect. It can not only ensure an excellent fit between the plate and the protective film, but also prevent the edge shrinkage of the protective film during cutting from affecting the film sticking effect.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A protective film stable film laminating mechanism for stone plastic plate, comprising a feeding channel for feeding plate material, a film frame device arranged above the feeding channel for placing the protective film, a pressing device arranged above the feeding channel for pressing the protective film onto the surface of the plate material, and a cutting device arranged at the discharge port, characterized in that: The feed channel is distributed in a zigzag shape, and the feed channel includes a first feed channel, a second feed channel, a third feed channel and a discharge channel in the order of feeding. The first feed channel and the second material channel are in an inverted "V" shape, the second feed channel and the third material channel are mirror images of each other, and the discharge channel is horizontally arranged. The film frame device is located above the first feed channel, the clamping device is located at the connection between the first feed channel and the second feed channel, and the cutting device is located at the connection between the third feed channel and the discharge channel.

2. The stable film sticking mechanism for the protective film of the stone plastic plate according to claim 1 is characterized by: The film frame device includes a fixed frame fixedly arranged on the upper part of the feed channel, a mobile frame slidably connected to the fixed frame, a first driving device driving the mobile frame to slide on the fixed frame, and a roller rotatably connected to the mobile frame for placing a protective film, a slider with an inverted "T"-shaped cross-section is fixedly arranged at the bottom of the mobile frame, a first sliding groove matching the slider is opened on the surface of the fixed frame, and the first driving device is a ball screw.

3. A stable film-sticking mechanism for a protective film of a stone-plastic plate according to claim 1 or 2, characterized in that: The clamping device includes a clamping frame fixedly arranged on both sides of the feed channel, a clamping assembly vertically slidably arranged between the clamping frames, and a second driving device that drives the clamping rollers to perform the clamping action. The second driving device is a driving cylinder that is arranged on the upper part of the clamping frame and can work synchronously.

4. The stable film sticking mechanism for the protective film of the stone plastic plate according to claim 3 is characterized by: A tensioning roller for tensioning the protective film is also fixedly connected between the clamping frames. The clamping assembly includes an axe-blade-shaped pressure block fixedly arranged on the piston rod of the driving cylinder and a pressure roller rotatably connected to the center position of the pressure block. Slide rails are arranged on both sides of the pressure block, and a second slide groove matching the slide rail is opened on the inner side of the clamping frame.

5. A stable film-sticking mechanism for a protective film of a stone-plastic plate according to claim 1 or 2, characterized in that: The included angle between the first feed channel and the second feed channel is 160°, and the included angle between the second feed channel and the third feed channel is 150°.

6. A stable film-sticking mechanism for a protective film of a stone-plastic plate according to claim 1 or 2, characterized in that: The discharging channel includes a discharging roller rotatably connected to the discharging channel, rollers rotatably arranged on both sides of the discharging channel to cooperate with the discharging roller to discharge materials, and a limiting device arranged on both sides of the discharging channel for limiting the discharging direction of the plate.

7. The stable film sticking mechanism for the protective film of the stone plastic plate according to claim 6 is characterized by: The limiting device comprises limiting plates arranged on both sides of the discharge channel, an adjusting plate fixedly connected to the discharge channel for adjusting the limiting width of the limiting plates, and a fastening bolt for fixing the limiting plates.

8. A stable film-sticking mechanism for a protective film of a stone-plastic plate according to claim 1 or 2, characterized in that: The number of the film frame devices is two.