Automatic pressing equipment for separator EVA cotton

By designing an automated EVA cotton pressing machine for partitions, the problems of uneven pressure and unstable quality in traditional manual operation have been solved. It has achieved uniform pressing of EVA cotton and wood boards and efficient production, adapting to the needs of partitions of different thicknesses and reducing maintenance costs.

CN224465300UActive Publication Date: 2026-07-07SHENZHEN T-BRISUN CASE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN T-BRISUN CASE CO LTD
Filing Date
2025-08-11
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Traditional EVA cotton bonding for partitions relies on manual operation, resulting in uneven pressure, weak bonding, unstable product quality, and low production efficiency.

Method used

Design an automatic EVA cotton pressing device for partition boards. The device features a detachable connection between the first and second frames, adjustable spacing between the active and driven rollers, and a sliding track and transmission components to achieve automated and uniform pressing of EVA cotton and wooden boards.

Benefits of technology

Standardized production of the product has been achieved, the bonding strength between EVA cotton and wood board has been improved, production efficiency has been increased, it can adapt to partitions of different thicknesses, and maintenance costs have been reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of automatic pressing equipment of baffle EVA cotton, including first frame, second frame, driving roller, driven roller, synchronous motor, transmission assembly and sliding track;The first frame with the second frame is detachably connected;The driving roller and the synchronous motor are set on the first frame, the driven roller is rotatably set on the second frame, and the spacing between the driving roller and the driven roller is adjustable;The synchronous motor drives the driving roller to rotate by the transmission assembly;The sliding track is used to carry material, so that material slides in and out between the driving roller and the driven roller.The utility model replaces manual operation by automation pressing, realizes product standardization production, improves production efficiency, is suitable for large-scale industrial production;Different thickness baffle is adapted, and equipment versatility is strong;It is convenient to split cleaning, maintenance and repair of equipment, and reduce maintenance cost.
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Description

Technical Field

[0001] This utility model relates to the technical field of aircraft case production equipment, and in particular to an automatic pressing equipment for partition EVA cotton. Background Technology

[0002] The internal partitions of flight cases are typically made of wooden boards and EVA foam glued together. The strength of the bond between the EVA foam and the wooden boards directly affects the quality of the flight case. In traditional production, the pressing of the EVA foam into the partitions relies on manual operation, which is not only limited by manpower but also subject to uncertainties such as uneven pressure and weak bonding during the process, resulting in unstable product quality and low production efficiency. With the development of automation in manufacturing, there is an urgent need for automated equipment to solve the above problems and achieve standardized and efficient production of EVA foam pressing for partitions. Utility Model Content

[0003] To address the aforementioned issues, this utility model provides an automatic EVA cotton pressing device for partition boards, which achieves uniform and firm pressing of EVA cotton and wooden boards, thereby improving product quality and enhancing production standardization and efficiency.

[0004] To address the problems mentioned in the background section and achieve the aforementioned technical objectives, this utility model provides the following technical solution:

[0005] An automatic pressing device for EVA cotton with partitions includes a first frame, a second frame, a driving roller, a driven roller, a synchronous motor, a transmission assembly, and a sliding track. The first frame and the second frame are detachably connected. The driving roller and the synchronous motor are mounted on the first frame, and the driven roller is rotatably mounted on the second frame. The distance between the driving roller and the driven roller is adjustable. The synchronous motor drives the driving roller to rotate through the transmission assembly. The sliding track is used to carry materials, allowing the materials to slide in and out between the driving roller and the driven roller.

[0006] Furthermore, a mounting base is provided on the second frame, and the driven roller is disposed on the mounting base; a sliding connection mechanism and an adjustment mechanism are provided between the second frame and the mounting base, and the mounting base is slidably connected to the second frame through the sliding connection mechanism; the adjustment mechanism is used to drive the mounting base to slide.

[0007] Furthermore, the sliding connection mechanism includes a linear guide rail disposed on the second frame and a slider disposed on the mounting base; the slider is slidably connected to the linear guide rail.

[0008] Furthermore, the sliding connection mechanism also includes a guide member, and the second frame has a positioning hole, through which the guide member passes and is connected and fixed to the mounting base.

[0009] Furthermore, the adjustment mechanism includes a lead screw nut and an adjusting lead screw. The lead screw nut is fixed to the second frame, and the adjusting lead screw is threadedly connected to the lead screw nut. The adjusting lead screw is connected to the mounting base and rotates relative to the mounting base. Rotating the adjusting lead screw drives the mounting base to slide.

[0010] Furthermore, a limiting bearing is provided on the mounting base, and one end of the adjusting screw is rotatably connected to the limiting bearing; the adjusting screw has a limiting ring groove around its outer circumference, and the limiting bearing has a limiting hole, the limiting hole being positioned corresponding to the limiting ring groove, and the limiting hole extending through the limiting ring groove; a limiting member is inserted through the limiting hole and inserted into the limiting ring groove to prevent the adjusting screw from retracting from the limiting bearing.

[0011] Furthermore, the automatic pressing device for the partition EVA cotton also includes a connecting pin, with threaded holes at both ends of the connecting pin; the first frame has a first shaft hole and a first through hole extending through the first shaft hole; the second frame has a second shaft hole and a second through hole extending through the second shaft hole; both ends of the connecting pin are respectively inserted into the first shaft hole and the second shaft hole, and the threaded holes at both ends of the connecting pin are respectively aligned with the first through hole and the second through hole; the first through hole and the second through hole are respectively threadedly connected to the corresponding threaded holes by screws, so as to realize the detachable connection between the first frame and the second frame.

[0012] Furthermore, the end of the connecting pin is provided with a conical guide portion.

[0013] Furthermore, the transmission assembly includes a drive pulley, a synchronous belt, and a synchronous pulley; the drive pulley is fixedly connected to the output end of the synchronous motor, the synchronous pulley is fixedly connected to the drive roller, the synchronous motor drives the drive pulley to rotate, and the drive pulley drives the synchronous pulley to rotate through the synchronous belt.

[0014] Furthermore, two pairs of driving rollers and driven rollers are provided, and the transmission assembly also includes a tension pulley, which is disposed between the two driving rollers to tension the synchronous belt so that it can drive the two driving rollers simultaneously.

[0015] The beneficial effects of this utility model are as follows: This utility model replaces manual operation with automated pressing, realizing standardized production of products, ensuring pressing accuracy and stability, improving the bonding firmness between EVA cotton and wood board, and solving the problems of uneven pressure and unstable quality in traditional processes; moreover, the overall structure is simple, easy to operate, and can realize automated continuous operation, greatly improving production efficiency and making it suitable for large-scale industrial production; at the same time, the distance between the active roller and the driven roller is adjustable, adapting to partitions of different thicknesses, and the equipment has strong versatility; in addition, the first frame and the second frame are detachable, which facilitates the disassembly, cleaning, maintenance and repair of the equipment, reducing maintenance costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is the front view of the present invention.

[0018] Figure 3 This is a perspective view of the present invention.

[0019] Figure 4 This is a schematic diagram of the first frame of this utility model.

[0020] Figure 5 This is a schematic diagram of the second frame of this utility model.

[0021] Figure 6 This is another structural schematic diagram of the second frame of this utility model.

[0022] Figure 7 This is a schematic diagram of the mounting base of this utility model.

[0023] Figure 8 This is a schematic diagram of the connecting pin of this utility model. Detailed Implementation

[0024] 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 only used to explain this utility model and are not intended to limit this utility model.

[0025] like Figures 1 to 3 As shown, an automatic pressing device for partition EVA cotton includes a first frame 1, a second frame 2, an active roller 3, a driven roller 4, a synchronous motor 5, a transmission assembly 6, and a sliding track 7.

[0026] The first frame 1 and the second frame 2 are respectively made of square tubing welded together and surface coated. The first frame 1 is the fixed main body of the equipment, and the second frame 2 is the movable part. The first frame 1 and the second frame 2 are detachably connected to form the overall frame of the equipment. The driving roller 3 and the synchronous motor 5 are mounted on the first frame 1. The driving roller 3 is fixed to the upper and lower front ends of the first frame 1 via diamond-shaped bearing seats. The synchronous motor 5 is installed at the rear of the first frame 1, and its output end is connected to the driving roller 3 via a transmission assembly 6 to drive the driving roller 3 to rotate. The driven roller 4 is rotatably mounted on the second frame 2, and the distance between the driving roller 3 and the driven roller 4 is adjustable.

[0027] The sliding track 7 is used to carry material A, allowing material A to slide in and out between the driving roller 3 and the driven roller 4. Specifically, the sliding track 7 is installed below the driving roller 3 and the driven roller 4, extending from the feed end of the equipment through the overall frame to the discharge end, with a length sufficient to carry material A throughout its movement from the feed end to the discharge end. Simultaneously, sheet metal guides are provided on both sides of the sliding track 7 to guide the EVA-coated partition material A, ensuring that the end face of material A is aligned with the gap between the driving roller 3 and the driven roller 4, thus determining the feeding direction.

[0028] The working principle of the automatic EVA cotton pressing equipment for partitions in this application is as follows: The partition material A is placed on the sliding track 7 from the feeding end, and the material A is pushed to slide into the equipment along the sliding track 7. Under the guidance of the track and the inertia of the rollers, the material A slides between the active roller 3 and the driven roller 4. The synchronous motor 5 starts and drives the active roller 3 to rotate clockwise through the transmission component 6. Using the pressure between the active roller 3 and the driven roller 4, the material A is driven to move into the interior of the overall frame and the discharge end. At the same time, the EVA cotton on both sides of the partition is tightly pressed onto the surface of the wooden board. After pressing, the material A is sent out from the discharge end of the equipment under the drive of the roller rotation.

[0029] This equipment replaces manual operation with automated pressing, achieving standardized product production, ensuring pressing accuracy and stability, improving the bonding strength between EVA cotton and wood boards, and solving the problems of uneven pressure and unstable quality in traditional processes. Furthermore, its simple overall structure and convenient operation enable automated continuous operation, significantly improving production efficiency and making it suitable for large-scale industrial production. The adjustable distance between the active roller 3 and the driven roller 4 accommodates partitions of different thicknesses, making the equipment highly versatile. In addition, the detachable design of the first frame 1 and the second frame 2 facilitates disassembly, cleaning, maintenance, and repair, reducing maintenance costs.

[0030] In the specific implementation process of this application, see [link / reference]. Figures 1 to 7A mounting base 8 is provided on the second frame 2. The mounting base 8 is an intermediate component connecting the driven roller 4 and the second frame 2. The driven roller 4 is mounted on the mounting base 8 via a diamond-shaped bearing seat. A sliding connection mechanism and an adjustment mechanism are provided between the second frame 2 and the mounting base 8. The mounting base 8 is slidably connected to the second frame 2 through the sliding connection mechanism. One end of the adjustment mechanism is connected to the mounting base 8, and the other end is connected to the second frame 2, forming an adjustment structure that can drive the mounting base 8 to slide. When it is necessary to adjust the distance between the driving roller 3 and the driven roller 4 to accommodate partitions of different thicknesses, the mounting base 8 is driven to slide along the sliding connection mechanism by operating the adjustment mechanism, causing the driven roller 4 to move closer to or away from the driving roller 3 until the target distance is reached. This embodiment realizes flexible adjustment of the roller distance, adapts to partitions of different specifications (thicknesses), and improves the versatility of the equipment. The sliding connection mechanism ensures that the mounting base 8 moves smoothly, ensures the parallelism between the driven roller 4 and the driving roller 3, and avoids uneven force during pressing.

[0031] In the specific implementation process of this application, see [link / reference]. Figures 2 to 7 The sliding connection mechanism includes a linear guide rail 21 mounted on the second frame 2 and a slider 81 mounted on the mounting base 8. The slider 81 matches the linear guide rail 21 and can slide along the length of the guide rail to achieve a sliding connection. For example, two sets of linear guide rails 21 are mounted on each of the upper and lower sides of the second frame 2, and four sliders 81 (matching the guide rails one by one) are fixed at corresponding positions on the upper and lower parts of the mounting base 8. The sliders 81 engage with the guide rails to form a sliding pair. When the mounting base 8 is driven by the adjustment mechanism, the sliders 81 slide directionally along the linear guide rail 21, limiting the movement direction of the mounting base 8 (only along the length of the guide rail), ensuring that the mounting base 8 drives the driven roller 4 to perform a linear motion parallel to the driving roller 3. The linear guide rail 21 and slider 81 used in this embodiment have high matching precision, ensuring the parallelism between the driven roller 4 and the driving roller 3, and ensuring uniform pressing pressure; low sliding resistance reduces the operating force during adjustment, facilitating manual adjustment; and the structure is stable, with low wear, extending the service life of the equipment.

[0032] To enhance the stability of the sliding connection mechanism and prevent the mounting base 8 from tilting due to uneven force during sliding, this application, in its specific implementation, refers to... Figure 6The sliding connection mechanism also includes a guide member 82, which is a cylindrical optical axis structure. A positioning hole 22, matching the guide member 82, is provided at a corresponding position on the second frame 2; the hole diameter is slightly larger than the diameter of the guide member 82. One end of the guide member 82 is fixed to the side of the mounting base 8 with screws, and the other end passes through the positioning hole 22, allowing it to move within the positioning hole 22 as the mounting base 8 slides. When the mounting base 8 slides, the guide member 82 moves synchronously along the positioning hole 22, assisting the linear guide rail 21 and the slider 81 to limit the offset of the mounting base 8 (such as lateral sway), further constraining the movement trajectory of the mounting base 8. The guide member 82 has a simple structure, low cost, and is easy to process and assemble. It can prevent misalignment between the driven roller 4 and the driving roller 3, ensuring pressing accuracy.

[0033] In the specific implementation process of this application, see [link / reference]. Figure 2 and Figure 6 The adjustment mechanism includes a lead screw nut 23 and an adjusting lead screw 83. The lead screw nut 23 is fixed to the second frame 2 by welding or bolting. The adjusting lead screw 83 passes through the lead screw nut 23 and is threadedly connected to it. One end of the adjusting lead screw 83 near the mounting base 8 is connected to the mounting base 8 and rotates relative to the mounting base 8 but does not move axially. The other end of the adjusting lead screw 83 extends to the outside of the equipment and is also equipped with a hand crank for easy operation. Rotating the adjusting lead screw 83 drives the mounting base 8 to slide. Its working principle is as follows: when the adjusting lead screw 83 is rotated, since the lead screw nut 23 is fixed, the adjusting lead screw 83 makes a helical motion relative to the nut, thereby pushing (or pulling) the mounting base 8 to slide along the sliding connection mechanism, realizing the adjustment of the roller spacing. This adjustment mechanism has high helical transmission accuracy, which can realize fine adjustment of the roller spacing and adapt to the pressing requirements of partitions of different thicknesses; the structure has good self-locking performance, utilizing the self-locking characteristics of the threaded pair of the lead screw nut 23, and no additional fixing is required after adjustment, resulting in high spacing stability; and it is easy to operate, requiring no professional tools, making it convenient for workers to make quick adjustments.

[0034] To ensure that the adjusting screw 83 rotates only relative to the mounting base 8 and does not move axially relative to it, this application, in its specific implementation process, refers to... Figure 7A limiting bearing 84 is provided on the mounting base 8. The end of the adjusting screw 83 near the mounting base 8 passes through the limiting bearing 84 and is rotatably connected to it. A limiting annular groove 831 is also formed at the end of the adjusting screw 83 inserted into the limiting bearing 84. The limiting annular groove 831 is an annular groove surrounding the outer circumference of the adjusting screw 83. A limiting hole 841 is formed in the limiting bearing 84. The limiting hole 841 corresponds to the limiting annular groove 831 and passes through the side wall of the limiting bearing 84, connecting to the limiting annular groove 831. A limiting member passes through the limiting hole 841, with one end inserted into the limiting annular groove 831 to prevent the adjusting screw 83 from exiting the limiting bearing 84. When the adjusting screw 83 rotates, the limiting member slides within the limiting annular groove 831 as the screw rotates, limiting the axial movement of the adjusting screw 83 (preventing the screw from exiting the limiting bearing 84) but not hindering its rotational movement.

[0035] To achieve a detachable connection between the first frame 1 and the second frame 2, this application also incorporates a connecting pin 9 in its implementation. (See attached image.) Figure 3 , Figure 4 , Figure 5 and Figure 8 The connecting pin 9 is cylindrical, with threaded holes at both ends. The first frame 1 has a first shaft hole 11 and a first through hole 12 extending through the first shaft hole 11; the second frame 2 has a second shaft hole 24 and a second through hole 25 extending through the second shaft hole 24. The first shaft hole 11 and the second shaft hole 24 are coaxially arranged, with a diameter slightly larger than the diameter of the connecting pin 9. The first through hole 12 and the second through hole 25 are radial through holes, perpendicular to the first shaft hole 11 and the second shaft hole 24, respectively. The two ends of the connecting pin 9 are inserted into the first shaft hole 11 and the second shaft hole 24, respectively, and the threaded holes at both ends of the connecting pin 9 are aligned with the first through hole 12 and the second through hole 25, respectively. Screws are inserted into the first through hole 12 and the second through hole 25, respectively, and the screws are threaded into the corresponding threaded holes at both ends of the connecting pin 9, fixing the connecting pin 9 in the shaft hole to achieve a detachable connection between the first frame 1 and the second frame 2. To disassemble, the connecting pin 9 can be pulled out by unscrewing the screws, separating the two frames. The detachable connection structure of this embodiment is simple, has high assembly efficiency, and reduces maintenance costs; the connection is firm and the positioning accuracy is high, ensuring the relative position stability of the first and second frames and avoiding roller misalignment; the detachable design facilitates equipment disassembly and makes it convenient for cleaning, maintenance and repair of internal components (such as rollers and transmission components 6).

[0036] Meanwhile, to facilitate the quick insertion of the connecting pin 9 into the shaft hole, see [link / reference]. Figure 8In this embodiment, a conical guide portion 91 is also provided at the end of the connecting pin 9. When assembling the first and second frames, the guide portion 91 is first inserted into the shaft hole, and the connecting pin 9 is guided smoothly into the shaft hole through the conical surface, so that the initial positioning can be completed without precise alignment; this reduces the assembly difficulty and improves the docking efficiency of the first and second frames; it can also avoid wear caused by the collision between the connecting pin 9 and the edge of the shaft hole, and extend the service life of the components.

[0037] In the specific implementation process of this application, see [link / reference]. Figures 1 to 6 The transmission assembly 6 includes a drive pulley 61, a synchronous belt 62, and a synchronous pulley 63. The drive pulley 61 is fixedly connected to the output end of the synchronous motor 5 via a key connection. The synchronous pulley 63 is fixedly connected to one end of the drive roller 3 and rotates synchronously with the drive roller 3. The synchronous belt 62 is an annular rubber belt with teeth on its inner surface, which matches the tooth profile of the drive pulley 61 and the synchronous pulley 63 to form a meshing transmission. After the synchronous motor 5 starts, it drives the drive pulley 61 to rotate, and the drive pulley 61 drives the synchronous pulley 63 to rotate through the synchronous belt 62, thereby driving the drive roller 3 to rotate and providing power for material pressing. The transmission assembly 6 in this embodiment has a simple structure, is easy to maintain, and has a lower cost than gear transmission; the synchronous belt 62 transmission has no slippage, ensuring stable rotation speed of the drive roller 3 and uniform pressing process; and the transmission noise is low, the operation is smooth, and the impact of equipment vibration on pressing accuracy is reduced.

[0038] In the specific implementation process of this application, see [link / reference]. Figures 3 to 6 Two pairs of driving rollers 3 and driven rollers 4 are provided, and the driving rollers 3 and driven rollers 4 are vertically arranged opposite each other on both sides of the sliding track 7. Both driving rollers 3 are equipped with synchronous pulleys 63. By pressing the two pairs of rollers synchronously, the pressing efficiency and effect are improved, and the bonding firmness between the EVA cotton and the wood board is further guaranteed. At the same time, the transmission assembly 6 also includes a tension pulley 64, which is located between the two driving rollers 3. The tension pulley 64 is located outside the synchronous belt 62 between the two driving rollers 3, contacts the synchronous belt 62 and applies tension, tensioning the synchronous belt 62 so that it drives the two driving rollers 3 simultaneously, ensuring that the synchronous belt 62 and the two synchronous pulleys 63 are tightly engaged. The synchronous belt 62 passes around the drive pulley 61, the tension pulley 64 and the two synchronous pulleys 63 in sequence to form a closed transmission circuit. When the synchronous motor 5 drives the synchronous belt 62, the synchronous belt 62 simultaneously drives the two drive rollers 3 to rotate synchronously, so as to press the two sides of the partition at the same time, ensuring that the two drive rollers 3 rotate at the same speed, avoiding the material from shifting due to uneven force, and making the pressing more uniform.

[0039] Compared with existing technologies, the automatic pressing equipment for EVA cotton partitions in this application has the following advantages through the above technical solution:

[0040] (1) Automated pressing replaces manual operation, which solves the problems of uneven pressure and unstable quality in traditional processes and realizes standardized production of products;

[0041] (2) The distance between the driving roller 3 and the driven roller 4 is adjustable, which can be adapted to partitions of different thicknesses, and the equipment has strong versatility;

[0042] (3) The design of the transmission component 6 and the adjustment mechanism ensures the pressing accuracy and stability, and improves the bonding firmness between EVA cotton and the wooden board;

[0043] (4) The first frame 1 and the second frame 2 are detachable, and the sliding connection mechanism and guide structure facilitate equipment cleaning, maintenance and repair, reducing maintenance costs;

[0044] (5) The overall structure is simple, easy to operate, and has high production efficiency, making it suitable for large-scale industrial production.

[0045] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. An automatic pressing device for EVA cotton partitions, characterized in that, The system includes a first frame (1), a second frame (2), an active roller (3), a driven roller (4), a synchronous motor (5), a transmission assembly (6), and a sliding track (7); the first frame (1) and the second frame (2) are detachably connected; the active roller (3) and the synchronous motor (5) are mounted on the first frame (1), the driven roller (4) is rotatably mounted on the second frame (2), and the distance between the active roller (3) and the driven roller (4) is adjustable; the synchronous motor (5) drives the active roller (3) to rotate through the transmission assembly (6); the sliding track (7) is used to carry materials, allowing the materials to slide in and out between the active roller (3) and the driven roller (4).

2. The automatic EVA cotton pressing equipment for partitions according to claim 1, characterized in that, The second frame (2) is provided with a mounting seat (8), and the driven roller (4) is provided on the mounting seat (8); a sliding connection mechanism and an adjustment mechanism are provided between the second frame (2) and the mounting seat (8), and the mounting seat (8) is slidably connected to the second frame (2) through the sliding connection mechanism; the adjustment mechanism is used to drive the mounting seat (8) to slide.

3. The automatic EVA cotton pressing equipment for partitions according to claim 2, characterized in that, The sliding connection mechanism includes a linear guide rail (21) disposed on the second frame (2) and a slider (81) disposed on the mounting base (8); the slider (81) is slidably connected to the linear guide rail (21).

4. The automatic EVA cotton pressing equipment for partitions according to claim 3, characterized in that, The sliding connection mechanism also includes a guide (82), and the second frame (2) has a positioning hole (22). The guide (82) passes through the positioning hole (22) and is connected and fixed to the mounting base (8).

5. The automatic pressing equipment for EVA cotton partitions according to claim 2, characterized in that, The adjustment mechanism includes a lead screw nut (23) and an adjusting lead screw (83). The lead screw nut (23) is fixed on the second frame (2). The adjusting lead screw (83) is threadedly connected to the lead screw nut (23). The adjusting lead screw (83) is connected to the mounting base (8) and rotates relative to the mounting base (8). The mounting base (8) is driven to slide by rotating the adjusting lead screw (83).

6. The automatic EVA cotton pressing equipment for partitions according to claim 5, characterized in that, A limiting bearing (84) is provided on the mounting base (8), and one end of the adjusting screw (83) is rotatably connected to the limiting bearing (84). The adjusting screw (83) has a limiting ring groove (831) around its outer circumference, and the limiting bearing (84) has a limiting hole (841). The limiting hole (841) corresponds to the position of the limiting ring groove (831), and the limiting hole (841) extends through the limiting ring groove (831). A limiting member is inserted into the limiting hole (841), and the limiting member is inserted into the limiting ring groove (831) to restrict the adjusting screw (83) from exiting the limiting bearing (84).

7. The automatic EVA cotton pressing equipment for partitions according to claim 1, characterized in that, The automatic pressing device for the partition EVA cotton also includes a connecting pin (9), with threaded holes at both ends of the connecting pin (9); the first frame (1) has a first shaft hole (11) and a first through hole (12) that passes through the first shaft hole (11); the second frame (2) has a second shaft hole (24) and a second through hole (25) that passes through the second shaft hole (24); the two ends of the connecting pin (9) are respectively inserted into the first shaft hole (11) and the second shaft hole (24), and the threaded holes at both ends of the connecting pin (9) are respectively aligned with the first through hole (12) and the second through hole (25); the first through hole (12) and the second through hole (25) are respectively threaded to the corresponding threaded holes by screws, so as to realize the detachable connection between the first frame (1) and the second frame (2).

8. The automatic EVA cotton pressing equipment for partitions according to claim 7, characterized in that, The end of the connecting pin (9) is provided with a conical guide (91).

9. The automatic EVA cotton pressing equipment for partitions according to claim 1, characterized in that, The transmission assembly (6) includes a drive wheel (61), a synchronous belt (62), and a synchronous pulley (63); the drive wheel (61) is fixedly connected to the output end of the synchronous motor (5), the synchronous pulley (63) is fixedly connected to the drive roller (3), the synchronous motor (5) drives the drive wheel (61) to rotate, and the drive wheel (61) drives the synchronous pulley (63) to rotate through the synchronous belt (62).

10. The automatic pressing equipment for partition EVA cotton according to claim 9, characterized in that, The active roller (3) and the driven roller (4) are provided in two pairs. The transmission assembly (6) also includes a tension pulley (64), which is located between the two active rollers (3) to tension the synchronous belt (62) so that it can drive the two active rollers (3) simultaneously.