Laminating device for abrasive paper production

By designing a laminating device for sandpaper production, the problem of adhesive side adhesion caused by improper material thickness adjustment in existing technologies has been solved, improving the surface quality and winding effect of the product and achieving efficient sandpaper production.

CN223790251UActive Publication Date: 2026-01-13QINGDAO SIJI JINSHANG ADVANCED MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202520309100.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-01-13
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing laminating equipment cannot adjust the extrusion components according to the material thickness, causing the adhesive to stick to the side of the material, affecting the surface quality of the product after drying.

Method used

A laminating device for sandpaper production was designed, including a transport component, an adhesive application component, an extrusion component, a heat treatment component, and a cutting component. The position of the substrate and the abrasive film is adjusted by adjusting rollers and scrapers, the adhesive is dried by the heat treatment component, and excess adhesive is removed by the cutting component, thereby improving the surface quality of the product.

Benefits of technology

This technology allows for adjustments to the extrusion effect based on material thickness, reduces adhesive adhesion to the sides, improves the surface quality and winding effect of the sandpaper, and ensures the overall performance of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the field of abrasive paper production, and provides a laminating device for abrasive paper production, which comprises a base, a transportation assembly, a gluing assembly, an extrusion assembly, a hot working assembly and a cutting assembly, the transportation assembly comprises an adjusting roller, the gluing assembly comprises a glue supply pipe and a mounting rod, and the extrusion assembly comprises a fixed roller, a movable roller and an adjusting unit. The cutting assembly comprises a cutting table, a lead screw and a cutting blade, the surface of a base material can be glued through a glue supply pipe and a glue outlet, then an adhesive on the surface of the base material is smeared evenly through a scraping plate, the base material and an abrasive film are pre-pressed through auxiliary transmission of an adjusting roller, pressing is conducted again through a fixed roller and a movable roller, and the cutting efficiency is improved. The adhesive is dried through the hot processing assembly, the distance between the fixed roller and the movable roller is adjusted through the arranged adjusting unit, the pressing effect is conveniently improved, the parts, with poor surface states, of the two sides of the abrasive paper semi-finished product are cut off through the arranged cutting piece, and the surface quality of the final product is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of sandpaper production, and in particular relates to a laminating device for sandpaper production. Background Technology

[0002] Sandpaper consists of abrasive particles, a substrate, and a binder. It is widely used in woodworking, metalworking, automotive repair, and other fields requiring surface treatment. For sanding tasks with special requirements, specialized sandpaper is needed. Conventional specialized sandpaper is made by laminating a special abrasive film with a substrate.

[0003] In the material lamination process, an adhesive is typically applied to the substrate surface to facilitate adhesion to the abrasive film. The abrasive film and substrate are then pressed together, and the adhesive is dried. However, existing lamination equipment often cannot adjust the extrusion assembly according to the material thickness. Furthermore, after pressing, excess adhesive adheres to the sides of the material, affecting the surface quality of the final product after drying. Utility Model Content

[0004] The purpose of this utility model embodiment is to provide a laminating device for sandpaper production, which aims to solve the problems mentioned in the background art.

[0005] This utility model embodiment is implemented as follows: a laminating device for sandpaper production includes a base, a transport component, a gluing component, an extrusion component, a heat treatment component, and a cutting component. The transport component includes a mounting box, an abrasive roller, a substrate roller, and an adjusting roller. The mounting box is fixedly installed on the upper end of the base, and the abrasive roller, substrate roller, and adjusting roller are installed inside the mounting box. The gluing component includes a glue supply pipe and a mounting rod. The glue supply pipe is fixedly installed inside the mounting box, with one end extending to the outside of the mounting box. Multiple glue outlets are fixedly provided at the lower end of the glue supply pipe. Both ends of the mounting rod are fixedly connected to the inner wall of the mounting box, and a scraper is fixedly installed on the side of the mounting rod. The extrusion component includes a first mounting frame, a movable shaft, a fixed roller, a movable roller, and an adjusting unit. The first mounting frame is fixedly installed on the upper end of the base, and the... A motor is fixedly mounted on one side of a mounting bracket. The motor spindle is fixedly connected to a movable shaft. A fixed roller is fixedly mounted on the outside of the movable shaft. A fixed shaft is provided above the fixed roller. The movable roller is movably mounted on the outside of the fixed shaft. Movable grooves are fixedly provided at both ends of the first mounting bracket corresponding to the movable roller. An adjustment unit is fixedly installed in the movable groove. The heat processing assembly includes a heating box and a heat pipe. The heating box is fixedly installed on the upper end of the base. The heat pipe is installed inside the heating box. The cutting assembly includes a cutting table, a lead screw, and a cutting blade. The cutting table is fixedly installed on the upper end of the base. A second mounting bracket is fixedly provided on the cutting table. The lead screw is installed above the second mounting bracket. The cutting blade is movably sleeved on the outside of the lead screw. Fixing nuts are provided on both sides of the cutting blade. The fixing nuts are screwed on the outside of the lead screw.

[0006] As a further embodiment of this utility model: the transport assembly further includes a tensioning roller and a finished product roller, and an mounting plate is fixedly provided on the upper end of the base corresponding to both ends of the tensioning roller and the finished product roller. A winding motor is fixedly provided on one side of the mounting plate corresponding to one end of the finished product roller, and the main shaft of the winding motor is fixedly connected to the finished product roller.

[0007] As a further embodiment of this utility model: the adjustment unit includes a locking block and a spring, the locking block being movably locked above the movable roller, and the spring being disposed above the locking block.

[0008] As a further embodiment of this utility model: a clamping plate is fixedly provided above the spring, the upper end of the spring is fixedly connected to the lower end of the clamping plate, the lower end of the spring is fixedly connected to the upper end of the locking block, an adjusting bolt is provided above the clamping plate, and the first mounting bracket has a threaded through hole fixedly provided at the upper end of the first mounting bracket corresponding to the adjusting bolt.

[0009] As a further embodiment of this utility model: the cutting blade includes a blade head, a first clamp, and a second clamp.

[0010] As a further embodiment of this utility model: one end of the first clamp and the second clamp are each provided with mutually compatible locking teeth, and the second clamp and the first clamp engage with each other.

[0011] As a further embodiment of this utility model: a bearing is fixedly installed between the first clamp and the second clamp, and the cutter head is fixedly installed on the outside of the bearing.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. The present invention provides a laminating device for sandpaper production, which can apply adhesive to the surface of a substrate through a glue supply pipe and a glue outlet, then use a scraper to spread the adhesive evenly on the surface of the substrate, and pre-press the substrate and abrasive film through the auxiliary transmission of the adjusting roller, and then press them together again through the fixed roller and the movable roller, and dry the adhesive through the heat treatment component. The distance between the fixed roller and the movable roller can be adjusted by the adjusting unit to improve the pressing effect, and the surface of the sandpaper semi-finished product with poor surface condition on both sides can be removed by the cutting blade to improve the surface quality of the final product.

[0014] 2. The present invention provides a laminating device for sandpaper production, which facilitates the adjustment of the position of the abrasive film and the substrate by means of multiple adjusting rollers, making processing convenient. The device is equipped with a winding motor to rotate the finished product roller to wind up the finished product, and a tensioning roller is provided to tighten the sandpaper and improve the winding effect.

[0015] 3. The present invention provides a laminating device for sandpaper production, which adjusts the height of the clamping plate by controlling the position of the adjusting bolt, thereby squeezing the spring. The spring squeezes the movable roller by squeezing the clamping block, and the squeezing gap between the movable roller and the fixed roller is adjusted by adjusting the adjusting bolt. The spring can play a buffering role.

[0016] 4. The present invention provides a bonding device for sandpaper production, wherein a first clamp engages with a second clamp to form a mounting shaft for mounting a blade. Its distributed design facilitates the installation and replacement of the blade, and the fixing nuts set on both sides of the cutting disc fix the first clamp and the second clamp.

[0017] 5. The present invention provides a laminating device for sandpaper production, which is fixedly installed between a first clamp and a second clamp by a set bearing. When the first clamp and the second clamp are fixed, the cutter head can rotate normally through the bearing. The design of the cutter head being able to rotate freely ensures the cutting effect on the semi-finished sandpaper. Attached Figure Description

[0018] Figure 1 A three-dimensional structural diagram of a laminating device for sandpaper production provided in an embodiment of this utility model;

[0019] Figure 2 A cross-sectional view of a laminating device for sandpaper production provided in an embodiment of this utility model;

[0020] Figure 3 A partial cross-sectional view of an extrusion assembly of a laminating device for sandpaper production, provided for an embodiment of this utility model;

[0021] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0022] Figure 5 A partial cross-sectional view of an adjusting unit for a laminating device in sandpaper production, provided as an embodiment of this utility model;

[0023] Figure 6 A partial cross-sectional view of a cutting component of a laminating device for sandpaper production, provided for an embodiment of this utility model;

[0024] Figure 7 for Figure 6 Enlarged view of point B in the middle;

[0025] Figure 8 This is a partial cross-sectional view of a cutting disc for a laminating device used in sandpaper production, provided as an embodiment of the present invention.

[0026] In the attached diagram: Base 1, Transport assembly 2, Mounting box 21, Abrasive roller 22, Substrate roller 23, Adjusting roller 24, Tensioning roller 25, Finished product roller 26, Mounting plate 27, Rewinding motor 28, Gluing assembly 3, Glue supply pipe 31, Glue outlet 32, Mounting rod 33, Scraper 34, Extrusion assembly 4, First mounting frame 41, Movable groove 411, Motor 42, Movable shaft 43, Fixed roller 44, Fixed shaft 45, Movable roller 46, Adjusting unit 47, Clamping block 471, Spring 472, Clamping plate 473, Adjusting bolt 474, Heat treatment assembly 5, Heating box 51, Heat pipe 52, Cutting assembly 6, Cutting table 61, Second mounting frame 62, Lead screw 63, Cutting disc 64, Cutting head 641, First clamp 642, Second clamp 643, Bearing 644, Fixing nut 65. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0028] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0029] like Figures 1 to 8As shown, an embodiment of this utility model provides a laminating device for sandpaper production, including a base 1, a transport component 2, a gluing component 3, an extrusion component 4, a heat treatment component 5, and a cutting component 6. The transport component 2 includes a mounting box 21, an abrasive roller 22, a substrate roller 23, and an adjusting roller 24. The mounting box 21 is fixedly mounted on the upper end of the base 1, and the abrasive roller 22, substrate roller 23, and adjusting roller 24 are installed inside the mounting box 21. The gluing component 3 includes a glue supply pipe 31 and a mounting rod 33. The glue supply tube 31 is fixedly installed inside the mounting box 21. One end of the glue supply tube 31 extends to the outside of the mounting box 21. Multiple sets of glue outlets 32 are fixedly provided at the lower end of the glue supply tube 31. The two ends of the mounting rod 33 are fixedly connected to the inner wall of the mounting box 21. A scraper 34 is fixedly installed on the side of the mounting rod 33. The extrusion assembly 4 includes a first mounting frame 41, a movable shaft 43, a fixed roller 44, a movable roller 46, and an adjustment unit 47. The first mounting frame 41 is fixedly installed on the upper end of the base 1. A motor 42 is fixedly installed on one side of the frame 41. The main shaft of the motor 42 is fixedly connected to the movable shaft 43. The fixed roller 44 is fixedly installed on the outside of the movable shaft 43. A fixed shaft 45 is provided above the fixed roller 44. The movable roller 46 is movably installed on the outside of the fixed shaft 45. The first mounting frame 41 is fixedly provided with movable grooves 411 at both ends corresponding to the movable roller 46. The adjustment unit 47 is fixedly installed in the movable grooves 411. The heat processing component 5 includes a heating box 51 and a heat pipe 52. The heating box 51 is fixedly installed on the upper end of the base 1. The heat pipe 52 is installed in the heating box 51. The cutting component 6 includes a cutting table 61, a lead screw 63, and a cutting blade 64. The cutting table 61 is fixedly installed on the upper end of the base 1. A second mounting frame 62 is fixedly provided on the cutting table 61. The lead screw 63 is installed above the second mounting frame 62. The cutting blade 64 is movably sleeved on the outside of the lead screw 63. Fixing nuts 65 are provided on both sides of the cutting blade 64. The fixing nuts 65 are screwed on the outside of the lead screw 63.

[0030] In one embodiment of this utility model, adhesive can be applied to the surface of the substrate through the glue supply pipe 31 and glue outlet 32. Then, the adhesive on the surface of the substrate is spread evenly by the scraper 34. The substrate and abrasive film are pre-pressed by the auxiliary transmission of the adjusting roller 24. They are pressed again by the fixed roller 44 and the movable roller 46. The adhesive is dried by the heat treatment component 5. The distance between the fixed roller 44 and the movable roller 46 is adjusted by the adjusting unit 47 to improve the pressing effect. The cutting blade 64 is used to cut off the parts with poor surface condition on both sides of the sandpaper semi-finished product to improve the surface quality of the final product.

[0031] like Figure 2As shown, in another embodiment of the present invention, the transport component 2 further includes a tensioning roller 25 and a finished product roller 26. An mounting plate 27 is fixedly provided on the upper end of the base 1 corresponding to both ends of the tensioning roller 25 and the finished product roller 26. A winding motor 28 is fixedly provided on one side of the mounting plate 27 corresponding to one end of the finished product roller 26. The main shaft of the winding motor 28 is fixedly connected to the finished product roller 26.

[0032] In one embodiment of this utility model, multiple adjusting rollers 24 are provided to facilitate the adjustment of the position of the abrasive film and the substrate, making processing convenient. The winding motor 28 is provided to rotate the finished product roller 26 to wind up the finished product. The tensioning roller 25 is provided to tighten the sandpaper and improve the winding effect.

[0033] like Figures 3 to 5 As shown, in another embodiment of the present invention, the adjustment unit 47 includes a locking block 471 and a spring 472. The locking block 471 is movably locked above the movable roller 46, and the spring 472 is disposed above the locking block 471.

[0034] Specifically, a clamping plate 473 is fixedly installed above the spring 472. The upper end of the spring 472 is fixedly connected to the lower end of the clamping plate 473, and the lower end of the spring 472 is fixedly connected to the upper end of the locking block 471. An adjusting bolt 474 is provided above the clamping plate 473. The first mounting bracket 41 has a threaded through hole fixedly installed on the upper end of the first mounting bracket 41 corresponding to the adjusting bolt 474.

[0035] In one embodiment of this utility model, the height of the clamping plate 473 is adjusted by controlling the position of the adjusting bolt 474, thereby compressing the spring 472. The spring 472 compresses the movable roller 46 by compressing the clamping block 471. The compression gap between the movable roller 46 and the fixed roller 44 is adjusted by adjusting the adjusting bolt 474. The spring 472 can play a buffering role.

[0036] like Figure 7 and Figure 8 As shown, in another embodiment of the present invention, the cutting blade 64 includes a blade head 641, a first clamp 642, and a second clamp 643.

[0037] Specifically, one end of the first clamp 642 and the second clamp 643 is provided with mutually compatible locking teeth, and the second clamp 643 and the first clamp 642 engage with each other.

[0038] In one embodiment of this utility model, a mounting shaft for mounting the cutter head 641 is formed by engaging the first clamp 642 with the second clamp 643. Its distributed design facilitates the installation and replacement of the cutter head 641, and the fixing nuts 65 set on both sides of the cutting disc 64 play a role in fixing the first clamp 642 and the second clamp 643.

[0039] like Figure 7 and Figure 8 As shown, in another embodiment of the present invention, a bearing 644 is fixedly installed between the first clamp 642 and the second clamp 643, and the cutter head 641 is fixedly installed on the outside of the bearing 644.

[0040] In one embodiment of this utility model, a bearing 644 is fixedly installed between a first clamp 642 and a second clamp 643. When the first clamp 642 and the second clamp 643 are fixed, the cutter head 641 can rotate normally through the bearing 644. The design that the cutter head 641 can rotate freely ensures the cutting effect on the semi-finished sandpaper.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0042] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0043] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0044] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0045] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A laminating device for sandpaper production, comprising a base (1), a transport assembly (2), an adhesive application assembly (3), an extrusion assembly (4), a heat treatment assembly (5), and a cutting assembly (6), characterized in that, The transport assembly (2) includes a mounting box (21), an abrasive roller (22), a substrate roller (23), and an adjusting roller (24). The mounting box (21) is fixedly mounted on the upper end of the base (1). The abrasive roller (22), substrate roller (23), and adjusting roller (24) are installed inside the mounting box (21). The gluing assembly (3) includes a glue supply pipe (31) and a mounting rod (33). The glue supply pipe (31) is fixedly installed inside the mounting box (21). One end of the glue supply pipe (31) extends to the outside of the mounting box (21). The lower end of the glue supply pipe (31) Multiple sets of glue outlets (32) are fixedly provided. The two ends of the mounting rod (33) are fixedly connected to the inner wall of the mounting box (21). A scraper (34) is fixedly installed on the side of the mounting rod (33). The extrusion assembly (4) includes a first mounting frame (41), a movable shaft (43), a fixed roller (44), a movable roller (46), and an adjustment unit (47). The first mounting frame (41) is fixedly installed on the upper end of the base (1). A motor (42) is fixedly installed on one side of the first mounting frame (41). The main shaft of the motor (42) is fixedly connected to the movable shaft (43). The fixed roller (44) is fixedly installed on the outside of the movable shaft (43). A fixed shaft (45) is provided above the fixed roller (44). The movable roller (46) is movably installed on the outside of the fixed shaft (45). The first mounting bracket (41) is fixedly provided with movable grooves (411) at both ends of the movable roller (46). The adjusting unit (47) is fixedly installed in the movable groove (411). The heat processing assembly (5) includes a heating box (51) and a heat pipe (52). The heating box (51) is fixedly installed on the upper end of the base (1). The heat pipe (52) 52) Installed inside the heating box (51), the cutting assembly (6) includes a cutting table (61), a lead screw (63) and a cutting blade (64). The cutting table (61) is fixedly installed on the upper end of the base (1). The cutting table (61) is fixedly provided with a second mounting bracket (62). The lead screw (63) is installed above the second mounting bracket (62). The cutting blade (64) is movably sleeved on the outside of the lead screw (63). Fixing nuts (65) are provided on both sides of the cutting blade (64). The fixing nuts (65) are spirally installed on the outside of the lead screw (63).

2. The laminating device for sandpaper production according to claim 1, characterized in that, The transport assembly (2) also includes a tension roller (25) and a finished product roller (26). The upper end of the base (1) is fixedly provided with an mounting plate (27) corresponding to both ends of the tension roller (25) and the finished product roller (26). A winding motor (28) is fixedly provided on one side of the mounting plate (27) corresponding to one end of the finished product roller (26). The main shaft of the winding motor (28) is fixedly connected to the finished product roller (26).

3. The laminating device for sandpaper production according to claim 1, characterized in that, The adjustment unit (47) includes a locking block (471) and a spring (472). The locking block (471) is movably locked above the movable roller (46), and the spring (472) is positioned above the locking block (471).

4. A laminating device for sandpaper production according to claim 3, characterized in that, A clamping plate (473) is fixedly installed above the spring (472). The upper end of the spring (472) is fixedly connected to the lower end of the clamping plate (473), and the lower end of the spring (472) is fixedly connected to the upper end of the locking block (471). An adjusting bolt (474) is provided above the clamping plate (473). The first mounting bracket (41) has a threaded through hole fixedly installed at the upper end of the first mounting bracket (41) corresponding to the adjusting bolt (474).

5. A laminating device for sandpaper production according to claim 1, characterized in that, The cutting blade (64) includes a blade head (641), a first clamp (642), and a second clamp (643).

6. A laminating device for sandpaper production according to claim 5, characterized in that, The first clamp (642) and the second clamp (643) are each provided with matching teeth at one end, and the second clamp (643) and the first clamp (642) engage with each other.

7. A laminating device for sandpaper production according to claim 6, characterized in that, A bearing (644) is fixedly installed between the first clamp (642) and the second clamp (643), and the cutter head (641) is fixedly installed on the outside of the bearing (644).