Film pasting device

Abstract

The utility model discloses a film pasting device, which belongs to the technical field of gluing equipment and comprises a pasting component and a compression roller component. The pasting assembly comprises a silk mesh roller and a coating roller with the axes parallel to each other and the outer circle faces attached to each other. The compression roller assembly comprises a first compression roller and a second compression roller; the coating roller is arranged between the first compression roller and the second compression roller, and the axes of the three are parallel to each other; a roll material sequentially passes through the first compression roller, the coating roller and the second compression roller in a label winding manner; redundant paste is removed in a rotary extrusion mode of the silk mesh roller and the coating roller, so that the uniformity of the paste transferred to the outer circular surface of the coating roller is ensured; and then the roll material is tightly attached to the outer circle face of the coating roller through the pressing roller assembly, so that the paste on the outer circle face of the coating roller can be completely transferred to the surface of the roll material, and then it is ensured that the thinness of a bonding layer meets the design requirement.

Description

Technical Field

[0001] The utility model belongs to the technical field of glue coating equipment, in particular to a film gluing device. Background Art

[0002] Existing airtight materials usually adopt a method of combining mesh and PVC film to improve the overall airtightness, that is, by simultaneously laminating PVC films on both sides of the surface of the mesh to form an airtight structure.

[0003] The existing pasting process is generally carried out by pasting the surface of the mesh or the whole mesh by dipping and rolling. The material produced by this process has a relatively hard feel. In order to ensure the softness of the feel after the mesh and the PVC film are compounded, as well as the overall folding resistance, it is usually chosen to paste the PVC film before pasting to achieve the above effect. The existing pasting device will use a rotating silk mesh roller to dip the paste (paste) in the glue tank, and after the excess paste is scraped off by a scraper, the remaining paste on the silk mesh roller is applied to the corresponding PVC film to achieve the pasting of the PVC film. However, due to long-term production and the inability to clean it in time, the silk mesh roller will become blocked, resulting in uneven pasting of the PVC film after being processed by the silk mesh roller. Utility Model Content

[0004] The technical problem to be solved by the utility model is: how to provide a film pasting device which can improve the pasting quality of PVC film.

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

[0006] A film gluing device comprises a gluing assembly and a pressing roller assembly;

[0007] The pasting assembly comprises a silk mesh roller and a coating roller, the axes of which are parallel to each other and the outer circumferences of which are in contact with each other;

[0008] The pressure roller assembly comprises a first pressure roller and a second pressure roller;

[0009] The coating roller is arranged between the first pressing roller and the second pressing roller, and the axes of the three rollers are parallel to each other;

[0010] The web is wound around the label and passes through the first pressing roller, the coating roller and the second pressing roller in sequence.

[0011] Furthermore, the pressure roller assembly also includes a displacement device;

[0012] A displacement device is provided at either end of the first pressing roller and either end of the second pressing roller;

[0013] The axis of the first pressing roller and the axis of the second pressing roller are both perpendicular to the moving direction of the displacement device;

[0014] The displacement device can drive the first pressing roller and the second pressing roller to approach or move away from the coating roller.

[0015] Further, the first pressing roller and the second pressing roller each include a support shaft and a roller body;

[0016] The roller body is sleeved on the outer side of the support shaft, and the roller body is rotatably connected to the support shaft;

[0017] The roller body is connected to the movable end of the displacement device through a supporting shaft.

[0018] Further, it also includes a heating roller;

[0019] The web is wound around the label in sequence through the first pressing roller, the coating roller, the second pressing roller and the heating roller.

[0020] Further, it also includes a rack;

[0021] The pasting assembly, the pressure roller assembly and the heating roller are all connected to the frame;

[0022] The axes of the silk mesh roller, the coating roller, the first pressing roller, the second pressing roller and the heating roller are all perpendicular to the plane where the frame is located.

[0023] Furthermore, the frame is also provided with a material trough;

[0024] The opening of the material trough is arranged toward the outer circumferential surface of the silk mesh roller;

[0025] In the vertical direction, the projection area of ​​the silk mesh roller is located within the opening range of the material trough;

[0026] A partial area of ​​the silk mesh roller is located in the material trough.

[0027] Furthermore, the frame is also provided with guide rollers;

[0028] The guide roller is arranged on the moving path of the coil, and the outer circumferential surface of the guide roller contacts the surface of the coil.

[0029] The beneficial effects of the utility model are as follows: the film pasting device provided by the utility model adopts a silk mesh roller and a coating roller whose outer cylindrical surfaces are in contact with each other, so that during the rolling process, the excess paste can be removed by extrusion, thereby ensuring the uniformity of the paste transferred to the outer cylindrical surface of the coating roller; and then the coil is pressed against the outer cylindrical surface of the coating roller by the pressure roller assembly, so that the paste on the outer cylindrical surface of the coating roller can be completely transferred to the surface of the coil, thereby ensuring that the thickness of the adhesive layer meets the design requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1Shown is a schematic structural diagram of a film pasting device according to a specific embodiment of the utility model;

[0031] Figure 2 Shown is a working principle diagram of a film pasting device according to a specific embodiment of the utility model;

[0032] Description of labels:

[0033] 1. Pasting assembly; 11. Silk mesh roller; 12. Coating roller;

[0034] 2. Pressing roller assembly; 21. First pressing roller; 22. Second pressing roller; 23. Displacement device;

[0035] 3. Heating roller;

[0036] 4. Frame; 41. Material trough; 42. Guide roller;

[0037] 5. Coil material. DETAILED DESCRIPTION

[0038] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0039] The most critical concept of the utility model is: the excess paste is removed by rotating and squeezing the silk mesh roller and the coating roller, so as to ensure the uniformity of the paste transferred to the outer cylindrical surface of the coating roller; and then the coil is pressed against the outer cylindrical surface of the coating roller by the pressure roller assembly, so that the paste on the outer cylindrical surface of the coating roller can be completely transferred to the surface of the coil, thereby ensuring that the thickness of the adhesive layer meets the design requirements.

[0040] Please refer to Figure 1 to Figure 2 The film gluing device provided by the utility model comprises a gluing component 1 and a pressing roller component 2;

[0041] The pasting assembly 1 comprises a silk mesh roller 11 and a coating roller 12 whose axes are parallel to each other and whose outer circumferences are in contact with each other;

[0042] The pressure roller assembly 2 includes a first pressure roller 21 and a second pressure roller 22;

[0043] The coating roller 12 is disposed between the first pressing roller 21 and the second pressing roller 22, and the axes of the three are parallel to each other;

[0044] The web is wound around the label through the first pressing roller 21, the coating roller 12 and the second pressing roller 22 in sequence.

[0045] Specifically, the positions of the first pressing roller 21 and the second pressing roller 22 can be interchangeable, that is, as long as the coating roller 12 is set between the first pressing roller 21 and the second pressing roller 22, and the roll material (PCV film) can determine the order of passing through the first pressing roller 21 and the second pressing roller 22 according to the actual direction of the coating roller 12. At the same time, the silk mesh roller 11 is a cylindrical structure with multiple grooves evenly distributed on the outer circumferential surface. This design enables the silk mesh roller 11 to transfer as much paste as possible to the coating roller 12 during rotation, so that the outer surface of the coating roller 12 can be evenly coated with paste, thereby ensuring the uniformity of subsequent pasting of the roll material; at the same time, the amount of paste can be adjusted by the viscosity of the paste and the contact area between the film and the coating roller; and the silk mesh roller 11 and the coating roller 12 can also be connected to the peripheral driving device respectively to adjust the roller spacing between the two, so that when not working, the silk mesh roller 11 and the coating roller 12 are in a separated state, and when working normally, the coating roller 12 can press the silk mesh roller 11 tightly to ensure the uniformity of pasting.

[0046] Preferably, a small gap is left between the outer circumferential surface of the silk mesh roller 11 and the outer circumferential surface of the coating roller 12, and the distance of the gap can be freely adjusted according to the required thickness of the adhesive layer.

[0047] As can be seen from the above description, the beneficial effects of the utility model are: providing a film pasting device, removing excess paste by rotating and squeezing the silk mesh roller 11 and the coating roller 12, thereby ensuring the uniformity of the paste transferred to the outer cylindrical surface of the coating roller 12; then the coil is pressed against the outer cylindrical surface of the coating roller 12 by the pressure roller assembly 2, so that the paste on the outer cylindrical surface of the coating roller 12 can be completely transferred to the surface of the coil, thereby ensuring that the thickness of the adhesive layer meets the design requirements; compared with the existing film pasting equipment, it can not only effectively solve the problem of thick and uneven adhesive layer formed after film pasting, but also eliminate the scraper device (used to scrape off excess paste on the surface of the silk mesh roller 11) in the existing pasting device, so as to simplify the operation process and optimize the equipment structure, and at the same time, it can also avoid the silk mesh roller 11 from being blocked due to the inability to discharge excess paste, thereby making the pasting more uniform.

[0048] Furthermore, the above-mentioned film pasting device also includes a scraping device;

[0049] The scraping end of the scraping device is arranged toward the outer circumferential surface of the silk mesh roller 11.

[0050] Specifically, the scraping end of the scraping device is arranged toward the outer circumferential surface of the silk mesh roller 11 which will drive the paste to move toward the coating roller.

[0051] As can be seen from the above description, the scraping device can further scrape off excess paste, thereby ensuring the thinness and uniformity of the adhesive layer.

[0052] Furthermore, the pressure roller assembly 2 also includes a displacement device 23;

[0053] A displacement device 23 is provided at either end of the first pressing roller 21 and either end of the second pressing roller 22;

[0054] The axis of the first pressing roller 21 and the axis of the second pressing roller 22 are both perpendicular to the moving direction of the displacement device 23;

[0055] The displacement device 23 can drive the first pressing roller 21 and the second pressing roller 22 to approach or move away from the coating roller 12 .

[0056] Preferably, the movable end of the displacement device 23 is oriented vertically downward, so that the displacement device 23 can efficiently drive the first pressing roller 21 and the second pressing roller 22 to approach or move away from the coating roller 12 .

[0057] From the above description, it can be seen that by driving the first pressing roller 21 or the second pressing roller 22 to move through the displacement device 23, the staff can adjust the tension between the coil and the coating roller 12 according to the actual situation (films of different materials or thicknesses), so as to achieve the best pasting effect of the coil.

[0058] Furthermore, displacement devices 23 are provided at both ends of the first pressing roller 21 and both ends of the second pressing roller 22 .

[0059] From the above description, it can be seen that ensuring that both ends of the first pressing roller 21 and both ends of the second pressing roller 22 are provided with displacement devices 23 can effectively improve the stability when the displacement device 23 drives the first pressing roller 21 and the second pressing roller 22 to move, thereby indirectly ensuring the pasting quality of the coil material.

[0060] Further, the first pressing roller 21 and the second pressing roller 22 each include a support shaft and a roller body;

[0061] The roller body is sleeved on the outer side of the support shaft, and the roller body is rotatably connected to the support shaft;

[0062] The roller body is connected to the movable end of the displacement device 23 through a support shaft.

[0063] From the above description, it can be seen that this design can improve the degree of freedom of the first pressure roller 21 and the second pressure roller 22, so that the roller body can rotate with the axis of the support shaft as the rotation axis, thereby reducing the friction between the coil and the first pressure roller 21 and the second pressure roller 22, making the coil move more smoothly and avoiding wear.

[0064] Furthermore, the above-mentioned film pasting device further comprises a heating roller 3;

[0065] The web is wound around the label through the first pressing roller 21, the coating roller 12, the second pressing roller 22 and the heating roller 3 in sequence.

[0066] Specifically, the outer circumferential surface of the heating roller 3, ie, the heating end, contacts the side of the coil that is not coated with the paste, so that the heating roller 3 can avoid damaging the adhesive layer while heating the coil.

[0067] It can be seen from the above description that the heating roller 3 can heat the pasted coil during the movement of the coil, so that the subsequent coil can better fit with other materials, thereby improving the quality of the finished product.

[0068] Furthermore, the above-mentioned film pasting device also includes a frame 4;

[0069] The pasting assembly 1, the pressing roller assembly 2 and the heating roller 3 are all connected to the frame 4;

[0070] The axis of the silk mesh roller 11, the axis of the coating roller 12, the axis of the first pressing roller 21, the axis of the second pressing roller 22 and the axis of the heating roller 3 are all perpendicular to the plane where the frame 4 is located.

[0071] Specifically, motors are provided at the connections between the silk mesh roller 11, the coating roller 12 and the heating roller 3 and the frame 4, and a winding device is provided at the end of the coil moving direction to provide power support for the coil operation; and it is ensured that the silk mesh roller 11 and the coating roller 12 rotate in opposite directions, and that the coating roller 12 and the heating roller 3 rotate in the same direction as the coil moving direction, so that the coil can move more smoothly.

[0072] From the above description, it can be seen that the frame 4 provides structural support for the fixing of the component structure of the film gluing device, thereby ensuring the stability of each component during use and avoiding the deviation of the roll material due to shaking, thereby affecting the gluing effect of the roll material.

[0073] Furthermore, a material trough 41 is provided on the frame 4;

[0074] The opening of the material trough 41 is arranged toward the outer circumferential surface of the silk mesh roller 11;

[0075] In the vertical direction, the projection area of ​​the silk mesh roller 11 is located within the opening range of the material trough 41;

[0076] A partial area of ​​the silk mesh roller 11 is located in the material trough 41 .

[0077] From the above description, it can be seen that this design ensures that the silk mesh roller 11 can effectively dip into the paste in the material tank 41, so as to ensure that the paste can be evenly coated on the outer circumferential surface of the silk mesh roller 11 first, thereby indirectly ensuring the thinness and uniformity of the adhesive layer formed after the subsequent roll material is pasted.

[0078] Furthermore, the frame 4 is also provided with a guide roller 42;

[0079] The guide roller 42 is disposed on the moving path of the coil, and the outer circumferential surface of the guide roller 42 contacts the surface of the coil.

[0080] Specifically, the guide roller 42 and the coating roller 12 are both made of rubber, so that the coil can flexibly contact with each roller during the movement, thereby indirectly protecting the coil.

[0081] From the above description, it can be seen that the guide roller 42 can not only support the coil, preventing the coil from contacting the ground or other components due to sagging, thereby causing stains on the surface of the coil; it also enables the staff to change the moving path of the coil according to actual conditions to ensure the rationality of the moving path of the coil. The number and position of the guide rollers can be adjusted according to actual production conditions and space.

[0082] The film gluing device of the utility model can assist the gluing work of various coiled materials.

[0083] Please refer to Figure 1 to Figure 2 , Embodiment 1 of the present utility model is:

[0084] A film pasting device comprises a pasting assembly 1, a pressure roller assembly 2, a scraper device, a heating roller 3 and a frame 4; the pasting assembly 1 comprises a silk mesh roller 11 and a coating roller 12 whose axes are parallel to each other and whose outer circumferences are in contact with each other; the pressure roller assembly 2 comprises a first pressure roller 21, a second pressure roller 22 and a displacement device 23; the coating roller 12 is arranged between the first pressure roller 21 and the second pressure roller 22, and the axes of the three are parallel to each other; the coil passes through the first pressure roller 21, the coating roller 12 and the second pressure roller 22 in sequence; the scraper end of the scraper device is arranged toward the outer circumference of the silk mesh roller 11; any one of the first pressure roller 21 A displacement device 23 is provided at one end and at either end of the second pressing roller 22; the axis of the first pressing roller 21 and the axis of the second pressing roller 22 are both perpendicular to the moving direction of the displacement device 23; the displacement device 23 can drive the first pressing roller 21 and the second pressing roller 22 to approach or move away from the coating roller 12; the first pressing roller 21 and the second pressing roller 22 both include a support shaft and a roller body; the roller body is sleeved on the outer side of the support shaft, and the roller body is rotatably connected to the support shaft; the roller body is connected to the movable end of the displacement device 23 through the support shaft; the coil passes through the first pressing roller 21, the coating roller 12, the second pressing roller 22 and the heating roller 3 in sequence.

[0085] The pasting assembly 1, the pressure roller assembly 2 and the heating roller 3 are all connected to the frame 4; the axis of the silk mesh roller 11, the axis of the coating roller 12, the axis of the first pressure roller 21, the axis of the second pressure roller 22 and the axis of the heating roller 3 are all perpendicular to the plane where the frame 4 is located; the frame 4 is also provided with a material trough 41 and a guide roller 42; the opening of the material trough 41 is arranged toward the outer cylindrical surface of the silk mesh roller 11; along the vertical direction, the projection area of ​​the silk mesh roller 11 is located within the opening range of the material trough 41; a partial area of ​​the silk mesh roller 11 is located in the material trough 41; the guide roller 42 is arranged on the moving path of the coil, and the outer cylindrical surface of the guide roller 42 is in conflict with the surface of the coil.

[0086] The working principle of the utility model is as follows: according to the actual path of the coil, the coil is firstly wound around the guide roller 42; then, the coil is wound around the first pressure roller 21, the coating roller 12, the second pressure roller 22 and the heating roller 3 in sequence; then, the silk mesh roller 11, the coating roller 12, the heating roller 3, and the peripheral coiling device are started. During the movement of the coil, the silk mesh roller 11 also continuously sends the paste in the material trough 41 to the coating roller 12. Through the squeezing of the silk mesh roller 11 and the coating roller 12, the excess paste falls back into the material trough 41, and the remaining paste is evenly coated on the surface of the coil by the coating roller 12; finally, the coil after pasting can be further sent to the subsequent processing equipment under the heating action of the heating roller 3, so that the pasting work of the coil can be completed.

[0087] In summary, the utility model provides a film pasting device, which removes excess paste by rotating and squeezing a silk mesh roller and a coating roller, thereby ensuring the uniformity of the paste transferred to the outer cylindrical surface of the coating roller; then the coil is pressed against the outer cylindrical surface of the coating roller by a pressure roller assembly, so that the paste on the outer cylindrical surface of the coating roller can be completely transferred to the surface of the coil, thereby ensuring that the thickness of the adhesive layer meets the design requirements; compared with the existing film pasting equipment, it can not only effectively solve the problem of thick and uneven adhesive layer formed after film pasting, but also avoid the clogging of the silk mesh roller due to the inability to discharge excess paste, thereby affecting the normal pasting work; at the same time, after the coil is heated by the heating roller, the bonding effect between the coil and the subsequent mesh cloth can be effectively improved, thereby ensuring the overall air tightness of the subsequent products.

[0088] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A film pasting device, characterized in that: It includes a pasting assembly and a pressing roller assembly; The pasting assembly comprises a silk mesh roller and a coating roller, the axes of which are parallel to each other and the outer circumferences of which are in contact with each other; The pressure roller assembly comprises a first pressure roller and a second pressure roller; The coating roller is arranged between the first pressing roller and the second pressing roller, and the axes of the three rollers are parallel to each other; The web is wound around the label and passes through the first pressing roller, the coating roller and the second pressing roller in sequence.

2. The film pasting device according to claim 1, characterized in that: The pressure roller assembly also includes a displacement device; A displacement device is provided at either end of the first pressing roller and either end of the second pressing roller; The axis of the first pressing roller and the axis of the second pressing roller are both perpendicular to the moving direction of the displacement device; The displacement device can drive the first pressing roller and the second pressing roller to approach or move away from the coating roller.

3. The film pasting device according to claim 1, characterized in that: The first pressing roller and the second pressing roller each include a support shaft and a roller body; The roller body is sleeved on the outer side of the support shaft, and the roller body is rotatably connected to the support shaft; The roller body is connected to the movable end of the displacement device through a supporting shaft.

4. The film pasting device according to claim 1, characterized in that: Also included is a heated roller; The web is wound around the label in sequence passing through the first pressing roller, the coating roller, the second pressing roller and the heating roller.

5. The film pasting device according to claim 4, characterized in that: Also includes racks; The pasting assembly, the pressure roller assembly and the heating roller are all connected to the frame; The axes of the silk mesh roller, the coating roller, the first pressing roller, the second pressing roller and the heating roller are all perpendicular to the plane where the frame is located.

6. The film pasting device according to claim 5, characterized in that: The frame is also provided with a material trough; The opening of the material trough is arranged toward the outer circumferential surface of the silk mesh roller; In the vertical direction, the projection area of ​​the silk mesh roller is located within the opening range of the material trough; A partial area of ​​the silk mesh roller is located in the material trough.

7. The film pasting device according to claim 5, characterized in that: The frame is also provided with guide rollers; The guide roller is arranged on the moving path of the coil, and the outer circumferential surface of the guide roller contacts the surface of the coil.

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