Limiting plate assembly for calender

Abstract

The utility model discloses a limiting plate assembly for a calender, and relates to the technical field of automobile leather processing. The limiting plate assembly for the calender comprises a fixing support and a limiting assembly, guide rollers are arranged on the two sides of the fixing support, the limiting assembly is arranged on the guide rollers, the limiting assembly comprises a two-way threaded rod, threaded blocks and a limiting plate, and the two sets of threaded blocks are installed on the two-way threaded rod in a threaded mode and symmetrically distributed front and back; the guide roller is slidably sleeved with two sets of limiting plates which are symmetrically distributed front and back, and the bottoms of the limiting plates and the tops of the threaded blocks are fixedly installed. Through the arrangement of the limiting assembly, leather is clamped, it is ensured that the leather is kept in the center when entering and exiting the calender, leather deviation is avoided, it can be ensured that the leather is subjected to uniform pressure, and therefore the thickness and quality of the calendered leather are more consistent, frequent adjustment and reworking can be avoided through accurate control over leather centering, and the production efficiency is improved. And the production stability and efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive leather processing technology, and in particular to a limiting plate assembly for a calendering machine. Background Technology

[0002] Calendering is one of the important basic processes in polymer material processing, and also one of the important processing and molding methods for some polymer material semi-finished and finished products. The plasticized alloy is subjected to compression and stretching through a series of horizontal rollers rotating in opposite directions, becoming a thin sheet product with a certain thickness, width and smooth surface. The alloy also needs to be calendered by calendering equipment during the production process.

[0003] After exploration and analysis, the following drawbacks were found in actual use:

[0004] Some existing calenders only have a limiting mechanism on one side of the pressure roller, which cannot effectively prevent the leather from shifting or tilting during the calendering process. Since there is no limiting control on the other side, the leather may slide or shift to the unlimited side due to uneven force, which will lead to uneven calendering and affect the quality of the product.

[0005] In summary, this application proposes a limit plate assembly for a calender to solve the aforementioned problems. Utility Model Content

[0006] The purpose of this utility model is to provide a limiting plate assembly for a calender, which can solve the problem that setting a limiting mechanism only on one side of the pressure roller cannot effectively prevent the leather from shifting or tilting during the calendering process. Since there is no limiting control on the other side, the leather may slide or shift to the side without a limit due to uneven force, which will lead to uneven calendering and affect the quality of the product.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a limiting plate assembly for a calender, comprising:

[0008] A fixed bracket is provided, with guide rollers on both sides of the fixed bracket;

[0009] The limiting assembly is mounted on the guide roller. The limiting assembly includes a bidirectional threaded rod, a threaded block, and a limiting plate. Two sets of threaded blocks are threadedly installed on the bidirectional threaded rod and are symmetrically distributed front and back. Two sets of limiting plates are slidably mounted on the guide roller and are symmetrically distributed front and back. The bottom of the limiting plate is fixedly installed to the top of the threaded block.

[0010] Preferably, a lower pressure roller is rotatably mounted on the inner walls of the front and rear sides of the fixed bracket, and a U-shaped plate is provided on the fixed bracket, with an upper pressure roller rotatably mounted on the inner walls of the front and rear sides of the U-shaped plate.

[0011] Preferably, a hydraulic rod is installed on the top cover of the fixed bracket. The free end of the hydraulic rod passes through the fixed bracket and is fixedly installed on the top of the U-shaped plate. A guide rod is fixedly installed on the top of the U-shaped plate. The top end of the guide rod extends to the top of the fixed bracket and is fixedly installed with a baffle. By adjusting the height of the upper pressure roller, the thickness of the leather material during calendering can be precisely controlled. This height adjustment can flexibly adjust the gap between the pressure rollers according to different production needs, thereby ensuring that the thickness of the product meets the requirements and avoiding uneven or unqualified thickness.

[0012] Preferably, the limiting component includes a U-shaped plate and a motor. Guide rollers are rotatably mounted on the front and rear inner walls of the U-shaped plate. A groove is provided on the top of the U-shaped plate, and a bidirectional threaded rod is rotatably mounted in the groove. The motor is fixedly mounted on the front side of the U-shaped plate, and the other end of the bidirectional threaded rod passes through the U-shaped plate and is fixedly mounted to the output shaft of the motor. By clamping the leather, it is ensured that the leather remains centered when entering and exiting the calender, avoiding leather deviation. This ensures that the leather is subjected to uniform pressure, resulting in more consistent thickness and quality of the calendered leather. Precise control of the leather's centering avoids frequent adjustments and rework, improving production stability and efficiency. The operator's adjustment work also becomes simpler and more precise, reducing human error.

[0013] Preferably, support plates are fixedly installed on both the front and rear sides of the second U-shaped plate, and the bottom of the support plates is flush with the bottom of the fixed bracket, so that the whole device is in a horizontal position.

[0014] Preferably, the height of the guide roller is higher than the distance between the lower and upper pressure rollers, which can tension the leather and make the leather calendering effect better.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] (1) The limiting plate assembly of the calender uses the upper pressure roller, U-shaped plate, hydraulic rod and guide rod in combination. By adjusting the height of the upper pressure roller, the thickness of the leather material can be precisely controlled when it is calendered. This height adjustment can flexibly adjust the gap between the pressure rollers according to different production needs, so as to ensure that the thickness of the product meets the requirements and avoid uneven or unqualified thickness.

[0017] (2) The limiting plate assembly of the calender uses a combination of U-shaped plate, bidirectional threaded rod, motor, threaded block and limiting plate to clamp the leather and ensure that the leather is centered when entering and leaving the calender, avoiding leather deviation. It can ensure that the leather is subjected to uniform pressure, so that the thickness and quality of the calendered leather are more consistent. Through precise control of the centering of the leather, frequent adjustments and rework can be avoided, improving the stability and efficiency of production. The adjustment work of the operator also becomes simpler and more precise, reducing human operation error. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0019] Figure 1 This is a perspective view of the present utility model;

[0020] Figure 2 This is a partial perspective view of the present invention;

[0021] Figure 3 for Figure 2 A three-dimensional sectional view.

[0022] Reference numerals in the attached drawings: 1. Fixed bracket; 2. Lower pressure roller; 3. Upper pressure roller; 4. U-shaped plate one; 5. Hydraulic rod; 6. Guide rod; 7. Guide roller; 8. U-shaped plate two; 9. Bidirectional threaded rod; 10. Motor; 11. Threaded block; 12. Limiting plate; 13. Support plate. Detailed Implementation

[0023] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0024] Please see Figure 1-3 This utility model provides a technical solution: a limiting plate assembly for a calender, including a fixed bracket 1 and a limiting assembly. Guide rollers 7 are provided on both sides of the fixed bracket 1. The limiting assembly is disposed on the guide rollers 7. The limiting assembly includes a bidirectional threaded rod 9, threaded blocks 11 and limiting plates 12. Two sets of threaded blocks 11 are threadedly installed on the bidirectional threaded rod 9 and are symmetrically distributed front and back. Two sets of limiting plates 12 are slidably sleeved on the guide rollers 7 and are symmetrically distributed front and back. The bottom of the limiting plate 12 is fixedly installed with the top of the threaded blocks 11.

[0025] Furthermore, a lower pressure roller 2 is rotatably installed on the inner walls of the front and rear sides of the fixed bracket 1, and a U-shaped plate 4 is provided on the fixed bracket 1. An upper pressure roller 3 is rotatably installed on the inner walls of the front and rear sides of the U-shaped plate 4.

[0026] Furthermore, a hydraulic rod 5 is installed on the top cover of the fixed bracket 1. The free end of the hydraulic rod 5 passes through the fixed bracket 1 and is fixedly installed on the top of the U-shaped plate 4. A guide rod 6 is fixedly installed on the top of the U-shaped plate 4. The top of the guide rod 6 extends to the top of the fixed bracket 1 and is fixedly installed with a baffle. The distance between the lower pressure roller 2 and the upper pressure roller 3 is adjusted according to the calendering thickness of the leather. The hydraulic rod 5 is activated, and the U-shaped plate 4 is moved by controlling the extension and retraction of the hydraulic rod 5, which in turn moves the upper pressure roller 3 to the designated position. By adjusting the height of the upper pressure roller, the thickness of the leather material during calendering can be precisely controlled. This height adjustment can flexibly adjust the gap between the pressure rollers according to different production needs, thereby ensuring that the thickness of the product meets the requirements and avoiding uneven or unqualified thickness.

[0027] Furthermore, the limiting assembly includes a U-shaped plate 8 and a motor 10. The guide roller 7 is rotatably mounted on the front and rear inner walls of the U-shaped plate 8. A groove is provided on the top of the U-shaped plate 8, and a bidirectional threaded rod 9 is rotatably mounted in the groove. The motor 10 is fixedly mounted on the front side of the U-shaped plate 8. The other end of the bidirectional threaded rod 9 passes through the U-shaped plate 8 and is fixedly mounted to the output shaft of the motor 10. The motor 10 drives the bidirectional threaded rod 9 to rotate, causing the two sets of threaded blocks 11 to move in opposite directions. The threaded blocks 11 drive the limiting plate 12 to clamp the leather material in the center. By clamping the leather, it is ensured that the leather remains centered when entering and exiting the calender, avoiding leather deviation. This ensures that the leather is subjected to uniform pressure, resulting in more consistent thickness and quality of the calendered leather. Precise control of the leather centering avoids frequent adjustments and rework, improving production stability and efficiency. The adjustment work of the operator also becomes simpler and more precise, reducing human error.

[0028] Furthermore, support plates 13 are fixedly installed on both the front and rear sides of the U-shaped plate 2 8. The bottom of the support plate 13 is flush with the bottom of the fixed bracket 1, so that the whole device is in a horizontal position.

[0029] Secondly, the height of the guide roller 7 is higher than the distance between the lower pressure roller 2 and the upper pressure roller 3, which can tension the leather and make the leather calendering effect better.

[0030] Working principle: In use, the leather material is passed through the guide roller 7 and the upper pressure roller 3 in sequence. First, the distance between the lower pressure roller 2 and the upper pressure roller 3 is adjusted according to the calendering thickness of the leather. The hydraulic rod 5 is started, and by controlling the extension and retraction of the hydraulic rod 5, the U-shaped plate 4 is moved, which can drive the upper pressure roller 3 to move to the designated position. Then, the motor 10 is started, and the motor 10 drives the bidirectional threaded rod 9 to rotate. The rotation of the bidirectional threaded rod 9 drives the two sets of threaded blocks 11 to move in opposite directions. The threaded blocks 11 drive the limiting plate 12 to clamp the leather material in the center, thus limiting the leather.

[0031] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A limiting plate assembly for a calender, characterized in that, include: Fixed bracket (1), with guide rollers (7) on both sides of the fixed bracket (1). The limiting component is set on the guide roller (7). The limiting component includes a bidirectional threaded rod (9), a threaded block (11) and a limiting plate (12). Two sets of threaded blocks (11) are threaded on the bidirectional threaded rod (9) and are symmetrically distributed front and back. Two sets of limiting plates (12) are slidably mounted on the guide roller (7) and are symmetrically distributed front and back. The bottom of the limiting plate (12) is fixedly installed with the top of the threaded block (11).

2. The limiting plate assembly for a calender according to claim 1, characterized in that: The fixed bracket (1) has a lower pressure roller (2) rotatably installed on the inner walls of the front and rear sides, and a U-shaped plate (4) is provided on the fixed bracket (1). The upper pressure roller (3) is rotatably installed on the inner walls of the front and rear sides of the U-shaped plate (4).

3. The limiting plate assembly for a calender according to claim 2, characterized in that: The top cover of the fixed bracket (1) is equipped with a hydraulic rod (5). The free end of the hydraulic rod (5) passes through the fixed bracket (1) and is fixedly installed on the top of the U-shaped plate (4). A guide rod (6) is fixedly installed on the top of the U-shaped plate (4). The top end of the guide rod (6) extends to the top of the fixed bracket (1) and is fixedly installed with a baffle.

4. The limiting plate assembly for a calender according to claim 3, characterized in that: The limiting assembly includes a U-shaped plate (8) and a motor (10). The guide roller (7) is rotatably installed on the inner walls of the front and rear sides of the U-shaped plate (8). A groove is provided on the top of the U-shaped plate (8), and a bidirectional threaded rod (9) is rotatably installed in the groove. The motor (10) is fixedly installed on the front side of the U-shaped plate (8). The other end of the bidirectional threaded rod (9) passes through the U-shaped plate (8) and is fixedly installed with the output shaft of the motor (10).

5. The limiting plate assembly for a calender according to claim 4, characterized in that: Support plates (13) are fixedly installed on both the front and rear sides of the U-shaped plate (8), and the bottom of the support plate (13) is flush with the bottom of the fixed bracket (1).

6. The limiting plate assembly for a calender according to claim 5, characterized in that: The height of the guide roller (7) is higher than the distance between the lower pressure roller (2) and the upper pressure roller (3).

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