Leather stress improving device
By improving the structure of the leather stretching device, the problem of excessive stretching caused by the shell obstructing the view was solved, thereby improving safety and ease of operation, and ensuring that the leather fibers are arranged more orderly and firmly.
Patent Information
- Application Number
- CN202423245415.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The housing of existing leather stretching devices obstructs the view, leading to overstretching and reducing the safety of leather stretching.
A leather stress improvement device was designed, which adopts a combination structure of winding column, snap groove, arc plate, fixing plate and buckle plate. It allows the staff to directly observe the stretching of the leather and conveniently control the stretching force and fixing method of the leather through the operation of threaded ring and rocker.
It improves the safety and ease of operation of the leather stretching process, avoids overstretching, and enhances the orderliness and firmness of the leather fiber arrangement.
Smart Images

Figure CN223723147U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of leather stress improvement, specifically to a leather stress improvement device. BACKGROUND
[0002] Leather stress improvement is a critical step in the tanning process, aiming to reduce or eliminate internal stress generated during processing and use, to improve its dimensional stability, softness and durability. By re-wetting treatment to restore the original state of leather, mechanical stretching makes the fiber arrangement orderly, heat treatment changes the protein structure to release stress. Chemical treatment such as using specific chemicals can improve the performance of leather, coating protection reduces environmental impact.
[0003] According to the patent number: CN222160204U, a kind of leather stretching and flattening device, including operation table, shell, feed inlet and discharge outlet, the inner wall of the shell is rotationally arranged with extrusion roller for stretching leather, the inner wall of the shell is provided with preheating component for preheating leather;Preheating component and stretching component are provided.
[0004] In the above scheme, the operation space is protected inside by the shell, which still has the following shortcomings: the existence of shell will block the line of sight of the staff observing the leather, which may cause excessive stretching due to lack of understanding of the stretching of the leather, reducing the safety of the leather during stretching. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of leather stress improvement device to solve the problem that excessive stretching may occur due to lack of understanding of the stretching of the leather, reducing the safety of the leather during stretching.
[0006] To achieve the above utility model purposes, the utility model adopts the following technical solutions: a kind of leather stress improvement device, including winding column, the winding column rotationally arranged above workbench, the surface of the winding column is provided with clamping groove, the inside of the clamping groove is slidably clamped with arc plate, the top surface of the workbench is fixed with fixed plate, the top surface of the fixed plate is rotationally arranged with buckling plate, the fixed plate and buckling plate are rotationally arranged by hinge, the surface of the winding column is fixed with several fixed columns, the fixed column is rotationally inserted with blocking plate.
[0007] Preferably, the top surface of the workbench is fixed with threaded column, the threaded column is threadedly connected with threaded ring, the side close to threaded column of the buckling plate is fixed with connecting arc plate.
[0008] Preferably, the top surface of the workbench is fixed with two support plates, one side of the support plate is provided with a rotating hole, both ends of the winding column are respectively fixed with rotating columns, the rotating column is rotatably inserted into the rotating hole, and one end of the rotating column on the front side is fixed with a rocker.
[0009] Preferably, the inside of the rotating hole is fixed with a bearing, and the outer wall surface of the rotating column is fixedly inserted with the inner wall surface of the bearing inner ring.
[0010] Preferably, the top surface of the fixed plate is provided with a plurality of anti-skid grooves, and the bottom surface of the buckling plate is fixed with a plurality of anti-skid strips, and the anti-skid grooves and the anti-skid strips are slidably arranged.
[0011] Preferably, both sides of the workbench are respectively fixed with two mounting plates, and the mounting plate is rotatably inserted with a fixed bolt.
[0012] Compared with the prior art, the leather stress improvement device has the following advantages
[0013] Beneficial effects:
[0014] I. The buckling plate is vertically arranged on the fixed plate, then the worker clamps the leather between the buckling plate and the fixed plate, then the worker rotates the threaded ring downward, the downward moving threaded ring will exert a downward force on the connecting arc plate, that is, the size of the force exerted by the buckling plate on the leather can be increased, then the worker places the other end of the leather in the clamping groove, and then the arc plate is buckled into the clamping groove, that is, the other end of the leather is fixed on the winding column, then the worker tightens the leather by rotating the winding column, and the leather is mechanically stretched, so that the leather fibers are more orderly arranged, thereby reducing the internal stress. The entire operation process is directly exposed to the worker's line of sight, avoiding excessive stretching, and increasing the safety of the leather during stretching;
[0015] II. When the worker rotates the winding column, the worker can exert a rotating force on the rotating column through the rocker, and the rotating rotating column will drive the winding column to rotate synchronously, that is, the leather can be wound on the surface, increasing the convenience of the worker in operation;
[0016] III. When the leather is clamped between the fixed plate and the buckling plate, the anti-skid strips will push the leather into the anti-skid grooves, thereby increasing the contact area between the leather and the fixed plate, and further increasing the firmness of the leather between the fixed plate and the buckling plate. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a perspective view of the embodiment.
[0018] Figure 2 It is an exploded perspective view of the embodiment.
[0019] Figure 3 For the embodiment of the winding column and the arc-shaped plate.
[0020] Figure 4 For the embodiment of the fixed plate and the buckling plate.
[0021] In the figure: 1, workbench; 2, winding column; 3, clamping groove; 4, arc-shaped plate; 5, fixed plate; 6, buckling plate; 7, fixed column; 8, blocking plate; 9, support plate; 10, rotating hole; 11, rotating column; 12, rocker; 13, threaded column; 14, threaded ring; 15, connecting arc plate; 16, anti-skid groove; 17, anti-skid strip; 18, mounting plate; 19, fixed bolt. DETAILED DESCRIPTION
[0022] The preferred embodiments of the present application will be described in detail below with reference to the drawings.
[0023] As Figures 1-3 shown, a leather stress improvement device, comprising a winding column 2, the winding column 2 is rotatably arranged above the workbench 1, the surface of the winding column 2 is provided with a clamping groove 3, the arc-shaped plate 4 is slidably clamped in the clamping groove 3, the top surface of the workbench 1 is fixedly provided with a fixed plate 5, the top surface of the fixed plate 5 is rotatably provided with a buckling plate 6, the fixed plate 5 and the buckling plate 6 are rotatably arranged through a hinge, the surface of the winding column 2 is fixedly provided with a plurality of fixed columns 7, the blocking plate 8 is rotatably inserted on the fixed column 7, the top surface of the workbench 1 is fixedly provided with a threaded column 13, the threaded ring 14 is threadedly connected on the threaded column 13, and the side of the buckling plate 6 close to the threaded column 13 is fixedly provided with a connecting arc plate 15.
[0024] In use, the buckling plate 6 is vertically arranged on the fixed plate 5, then the staff clamps the leather between the buckling plate 6 and the fixed plate 5, then the staff rotates the threaded ring 14 downward, the downward moving threaded ring 14 will exert a downward force on the connecting arc plate 15, that is, the size of the force exerted by the buckling plate 6 on the leather can be increased, then the staff places the other end of the leather in the clamping groove 3, and then the arc-shaped plate 4 is buckled into the clamping groove 3, that is, the other end of the leather is fixed on the winding column 2, then the staff tightens the leather by rotating the winding column 2, mechanically stretches the leather, arranges the leather fibers more orderly, thereby reducing the internal stress, the whole operation process is directly exposed to the staff's line of sight, avoids the situation of overstretching, and increases the safety of the leather during stretching.
[0025] As Figure 2 and Figure 4As shown, the top surface of the workbench 1 is fixed with two support plates 9, one side of the support plate 9 is provided with a rotating hole 10, both ends of the winding column 2 are respectively fixed with rotating columns 11, the rotating column 11 is rotatably inserted with the rotating hole 10, one end of the front rotating column 11 is fixed with a rocker 12, the inside of the rotating hole 10 is fixed with a bearing, and the outer wall surface of the rotating column 11 is fixedly inserted with the inner wall surface of the bearing inner ring.
[0026] In use, when rotating the winding column 2, the worker can apply a rotating force to the rotating column 11 through the rocker 12, and the rotating rotating column 11 can drive the winding column 2 to rotate synchronously, so that the leather can be wound on the surface, and the convenience of the worker in operation is increased.
[0027] As shown in Figure 2 and Figure 4 the top surface of the fixed plate 5 is provided with a plurality of anti-skid grooves 16, the bottom surface of the buckling plate 6 is fixed with a plurality of anti-skid strips 17, the anti-skid groove 16 and the anti-skid strip 17 are slidably arranged, and the two sides of the workbench 1 are respectively fixed with two mounting plates 18, and the mounting plate 18 is rotatably inserted with a fixed bolt 19.
[0028] In use, when the leather is clamped between the fixed plate 5 and the buckling plate 6, the anti-skid strip 17 can push the leather into the inside of the anti-skid groove 16, so as to increase the contact area between the leather and the fixed plate 5, and further increase the firmness of the position of the leather between the fixed plate 5 and the buckling plate 6.
[0029] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A leather stress improving device comprising a winding column (2) which is provided rotatably above a work table (1), characterized in that, The surface of the winding column (2) is provided with a clamping groove (3), the inside of the clamping groove (3) is slidably clamped with an arc-shaped plate (4), the top surface of the workbench (1) is fixed with a fixed plate (5), the top surface of the fixed plate (5) is rotatably provided with a buckling plate (6), the fixed plate (5) and the buckling plate (6) are rotatably provided through a hinge, the surface of the winding column (2) is fixed with a plurality of fixed columns (7), the fixed columns (7) are rotatably inserted with blocking plates (8).
2. A device for improving the stress of leather according to claim 1, characterized in that: The top surface of the workbench (1) is fixed with a threaded column (13), the threaded column (13) is threadedly connected with a threaded ring (14), one side of the buckling plate (6) close to the threaded column (13) is fixed with a connecting arc plate (15).
3. A leather stress improvement device according to claim 1, characterized in that: The top surface of the workbench (1) is fixed with two support plates (9), one side of the support plate (9) is provided with a rotating hole (10), both ends of the winding column (2) are respectively fixed with rotating columns (11), the rotating columns (11) and the rotating hole (10) are rotatably inserted, one end of the rotating column (11) on the front side is fixed with a rocker (12).
4. A leather stress improvement device according to claim 3, characterized in that: The inside of the rotating hole (10) is fixed with a bearing, the outer wall surface of the rotating column (11) and the inner wall surface of the bearing inner ring are fixedly inserted.
5. A leather stress improvement device according to claim 1, characterized in that: The top surface of the fixed plate (5) is provided with a plurality of anti-skid grooves (16), the bottom surface of the buckling plate (6) is fixed with a plurality of anti-skid strips (17), the anti-skid grooves (16) and the anti-skid strips (17) are slidably provided.
6. A leather stress improvement device according to claim 1, characterized in that: Both sides of the workbench (1) are respectively fixed with two mounting plates (18), the mounting plates (18) are rotatably inserted with fixed bolts (19).
Citation Information
Patent Citations
Leather stretching and flattening device
CN222160204U