A tanning apparatus for preventing leather wrapping

Abstract

This utility model discloses a tanning device for preventing leather entanglement, relating to the field of leather production. It addresses the problems of existing tanning devices that use clamping grooves to fix the edges of leather to prevent entanglement, but this method is inefficient due to individual clamping. Furthermore, after tanning, the drum needs to be lifted and removed by a lifting device before the leather can be taken out, affecting tanning efficiency. The tanning drum has partition plates fixedly connected to both sides of its inner center. Multiple anti-entanglement columns are arrayed on the inner wall of the drum. A material loading / unloading opening is located at the center of the front face of the drum, and an arc-shaped sealing plate is rotatably connected to the outside of the opening. A receiving pool is fixedly connected to the upper surface of the support platform between two support frames. By setting the partition plates, the internal space of the tanning drum is divided into multiple independent chambers, effectively reducing the amount of leather accumulation. Combined with the physical barrier effect of the anti-entanglement columns, the probability of leather entanglement during the tanning process is significantly reduced.

Description

Technical Field

[0001] This utility model relates to the field of leather production, specifically to a tanning device that prevents leather from tangling. Background Technology

[0002] Leather is a natural material made from animal hides (such as cowhide, sheepskin, and pigskin) that have undergone physical and chemical processing, including tanning, dyeing, and finishing. It is characterized by its softness, durability, breathability, and retention of the original fibrous structure. Based on the tanning process, it can be classified into chrome-tanned leather, vegetable-tanned leather, and oil-tanned leather, among others. Finished leather is widely used in footwear, clothing, bags, furniture, and automotive interiors.

[0003] For example, patent announcement number CN212102898U discloses a high-performance leather tanning apparatus, including a chemical solution tank, a drum rotatably connected within the chemical solution tank, and a drive mechanism. The drum consists of a left wall plate, a right ring body, multiple sets of fixing rods, a perforated plate, and a right wall plate. The fixing rods consist of a large rod and a small rod, both with triangular cross-sections. A sloping groove exists between the large and small rods, and a limiting groove is located within the sloping groove. A leather clamping assembly is inserted into the limiting groove. The leather clamping assembly consists of a sleeve rod and an inner rod. The sleeve rod has a long groove on its side wall, and the inner rod has a clamping groove. The edge of the leather is clamped in the clamping groove. The inner rod is inserted into the sleeve rod, and the leather extends out of the sleeve rod through the long groove. This utility model has a relatively simple structure and operation, making it very suitable for large-scale leather tanning. It can effectively prevent leather from tangling during the tanning process, improve the tanning effect and efficiency, and allow for spin drying after processing, saving chemical materials.

[0004] The tanning apparatus described above uses clamping grooves to fix the edges of the leather to prevent tangling. However, clamping each piece individually is inefficient. Furthermore, after tanning, the drum needs to be lifted and removed by a lifting device before the leather can be taken out, which affects the tanning efficiency. Therefore, there is an urgent need in the market to develop a tanning apparatus that prevents leather from tangling in order to help people solve the existing problems. Utility Model Content

[0005] The purpose of this invention is to provide a tanning device that prevents leather from tangling, in order to solve the problems mentioned in the background art. In the prior art, the tanning device uses clamping grooves to fix the edges of the leather to prevent tangling, but the efficiency of clamping each piece is low. At the same time, after the leather is tanned, the drum needs to be lifted and removed by a lifting device before the leather can be taken out, which affects the tanning efficiency of the leather.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tanning device for preventing leather entanglement, comprising a support platform, on both sides of the upper surface of the support platform being fixedly connected to support frames, a tanning drum being rotatably connected between the two support frames, on both sides of the inner center of the tanning drum being fixedly connected to partition plates, multiple anti-entanglement columns being arrayed on the inner wall of the tanning drum, a material feeding opening being provided at the center of the front end face of the tanning drum, an arc-shaped sealing plate being rotatably connected to the outer side of the material feeding opening, a material receiving pool being fixedly connected to the upper surface of the support platform between the two support frames, and a drain outlet being provided at the rear end of the material receiving pool.

[0007] Preferably, a drive motor is fixedly connected to the upper outer side of one side of the support frame, and a tanning agent delivery pipe is fixedly connected to the upper outer side of the other side of the support frame.

[0008] Preferably, a support shaft tube is fixedly connected to the middle of the tanning drum, and multiple liquid outlet holes are provided at equal intervals on the outer wall of the support shaft tube and inside the tanning drum.

[0009] Preferably, one end of the support shaft tube passes through a support frame on one side and is connected to the output shaft of the drive motor via a coupling, and the other end of the support shaft tube passes through a support frame on the other side and is connected to the tanning agent delivery pipe via a rotary joint.

[0010] Preferably, a sealing ring is provided between the rear end edge of the arc-shaped sealing plate and the front end of the tanning drum, the sealing ring is fixedly connected to the arc-shaped sealing plate, and the lower end of the arc-shaped sealing plate is rotatably connected to the tanning drum through a rotating shaft.

[0011] Preferably, the front end face of the tanning drum is fixedly connected to internally threaded columns on both sides of the upper middle part of the material feeding and discharging opening, the upper middle part of the arc-shaped sealing plate is fixedly connected to connecting plates on both sides, the front ends of the two connecting plates are rotatably connected to handwheels, the rear end of the handwheel is fixedly connected to a screw, and the middle of the screw is fixedly connected to a tightening ring.

[0012] Preferably, the rear ends of the two screws pass through the two connecting plates and are inserted into the interiors of the two internal threaded columns, and are threadedly connected and fixed to the internal threaded columns.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) In this utility model, by setting a partition plate, the internal space of the tanning drum is divided into multiple independent chambers, which effectively reduces the amount of leather accumulation. Combined with the physical barrier effect of the anti-winding column, the probability of leather winding during the tanning process is significantly reduced, and the tanning uniformity and finished product quality are improved.

[0015] (2) In this utility model, the design of the front-end material loading and unloading opening and the openable arc-shaped sealing plate eliminates the cumbersome steps of traditional drum hoisting and disassembly, realizes rapid loading and unloading of leather, greatly improves production efficiency, and at the same time the sealing ring ensures the airtightness of the tanning process and avoids leakage of tanning liquid.

[0016] (3) In this utility model, the structure of the liquid outlet hole integrated by the support shaft tube enables the tanning agent to be sprayed evenly from the inside of the drum, and the dynamic penetration is achieved in conjunction with the rotation of the drum, which shortens the tanning time; when unloading, the leather can fall directly into the receiving pool below, forming a continuous operation process, reducing manual intervention and reducing labor intensity. Attached Figure Description

[0017] Figure 1 This is a front view of a tanning apparatus for preventing leather entanglement according to the present invention;

[0018] Figure 2 This is a main sectional view of the tanning drum of this utility model;

[0019] Figure 3 This is a side sectional view of the tanning drum of this utility model;

[0020] Figure 4 This is a detailed enlarged view of part A of this utility model.

[0021] In the diagram: 1. Support platform; 101. Support frame; 102. Bearing; 103. Receiving pool; 104. Drain outlet; 105. Drive motor; 106. Tanning agent conveying pipe; 107. Rotary joint; 2. Tanning drum; 201. Divider plate; 202. Anti-winding column; 203. Material loading and unloading opening; 204. Internal threaded column; 3. Support shaft tube; 301. Liquid outlet; 4. Arc-shaped sealing plate; 401. Rotating shaft; 402. Connecting plate; 403. Handwheel; 404. Screw; 405. Tightening ring; 406. Sealing ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Please see Figure 1-4This utility model provides an embodiment of a tanning device for preventing leather entanglement, comprising a support platform 1, with support frames 101 fixedly connected to both sides of the upper surface of the support platform 1. A tanning drum 2 is rotatably connected between the two support frames 101. Dividing plates 201 are fixedly connected to both sides of the center of the interior of the tanning drum 2. The two dividing plates 201 divide the interior of the tanning drum 2, separating a large amount of leather into three equal parts inside the tanning drum 2, preventing the leather from entangled due to excessive accumulation inside the tanning drum 2. Multiple anti-entanglement columns 202 are arrayed on the inner wall of the tanning drum 2. The anti-entanglement columns 202 effectively break the adhesion between leather fibers by physically separating the leather, dynamically disturbing its movement path, and optimizing the flow of the tanning liquor, preventing entanglement and ensuring uniform tanning. A support frame is fixedly connected to the center of the tanning drum 2. The shaft tube 3 has multiple outlet holes 301 evenly spaced on its outer wall and inside the tanning drum 2. A drive motor 105 is fixedly connected to the upper outer side of a support frame 101. One end of the support shaft tube 3 passes through the support frame 101 on one side and is connected to the output shaft of the drive motor 105 via a coupling. The upper outer side of the other support frame 101 is fixedly connected to a tanning agent delivery pipe 106. The other end of the support shaft tube 3 passes through the support frame 101 on the other side and is connected to the tanning agent delivery pipe 106 via a rotary joint 107. The drive motor 105 drives the support shaft tube 3 to rotate, which in turn drives the tanning drum 2 to rotate. When the tanning drum 2 rotates, the tanning agent is delivered into the support shaft tube 3 through the tanning agent delivery pipe 106, so that the tanning agent enters the tanning drum 2 from the multiple outlet holes 301 on the support shaft tube 3.

[0024] Please see Figure 3 The tanning drum 2 has a material feeding opening 203 in the middle of its front end face. An arc-shaped sealing plate 4 is rotatably connected to the outside of the material feeding opening 203. The lower end of the arc-shaped sealing plate 4 is rotatably connected to the tanning drum 2 through a rotating shaft 401. The arc-shaped sealing plate 4 is opened by rotating the shaft 401, so that the leather can be put into the tanning drum 2 through the material feeding opening 203. After the leather is put in, the arc-shaped sealing plate 4 is closed again.

[0025] Please see Figure 3 and Figure 4A sealing ring 406 is provided between the rear end edge of the arc-shaped sealing plate 4 and the front end of the tanning drum 2. The sealing ring 406 is fixedly connected to the arc-shaped sealing plate 4. Internally threaded posts 204 are fixedly connected to both sides of the upper middle part of the material feeding opening 203 on the front end of the tanning drum 2. Connecting plates 402 are fixedly connected to both sides of the upper middle part of the arc-shaped sealing plate 4. Handwheels 403 are rotatably connected to the front ends of both connecting plates 402. A screw 404 is fixedly connected to the middle rear end of the handwheel 403. A tightening ring 405 is fixedly connected to the middle of 404. The rear ends of the two screws 404 pass through the two connecting plates 402 and are inserted into the two internal threaded posts 204 and are threadedly connected and fixed to the internal threaded posts 204. When the screws 404 are threadedly connected to the internal threaded posts 204, the tightening ring 405 is driven to squeeze the connecting plate 402, so that the connecting plate 402 drives the arc-shaped sealing plate 4 to come into contact with the front end of the tanning drum 2 and squeeze the sealing ring 406 to close the material feeding and discharging opening 203.

[0026] Please see Figure 1 and Figure 3 A receiving pool 103 is fixedly connected to the upper surface of the support platform 1 between the two support frames 101. A drain outlet 104 is provided at the rear end of the receiving pool 103. After the leather tanning is completed, the screw 404 is rotated by the handwheel 403 to disengage from the internal threaded column 204, and the arc-shaped sealing plate 4 can be opened. By rotating the tanning drum 2, the material pick-up and drop-off opening 203 is made to drop the leather into the receiving pool 103 vertically downwards, and it can be picked up manually.

[0027] Working Principle: In operation, first, rotate the screw 404 using the handwheel 403 to disengage it from the internal threaded post 204. Then, rotate the arc-shaped sealing plate 4 downwards to open the material inlet / outlet opening 203. Place the leather to be tanned in layers into the three chambers formed by the two partition plates 201 inside the tanning drum 2. Close the arc-shaped sealing plate 4 and lock it using the handwheel 403. Start the drive motor 105 to rotate the support shaft tube 3 and the tanning drum 2. Simultaneously, inject the tanning agent into the support shaft tube 3 through the tanning agent delivery pipe 106. The tanning liquid is evenly sprayed onto the leather through the outlet hole 301. During drum rotation, the anti-tangling posts 202 on the inner wall continuously agitate the leather, effectively preventing tangling and ensuring even penetration of the tanning liquid. After tanning is complete, stop the drive motor 105, open the arc-shaped sealing plate 4, and rotate the material inlet / outlet opening 203 to the lower position. The leather automatically falls into the receiving pool 103 for collection. Finally, drain the residual tanning liquid through the drain outlet 104, completing the entire tanning process.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A tanning apparatus for preventing leather entanglement, comprising a support table (1), characterized in that: The support platform (1) has support frames (101) fixedly connected to both sides of the middle of the upper end face. A tanning drum (2) is rotatably connected between the two support frames (101). A partition plate (201) is fixedly connected to both sides of the middle of the interior of the tanning drum (2). Multiple anti-winding columns (202) are arranged in an array on the inner wall of the tanning drum (2). A material feeding opening (203) is provided in the middle of the front end face of the tanning drum (2). An arc-shaped sealing plate (4) is rotatably connected to the outside of the material feeding opening (203). A receiving pool (103) is fixedly connected to the upper end face of the support platform (1) between the two support frames (101). A drain outlet (104) is provided at the rear end of the receiving pool (103).

2. The tanning apparatus for preventing leather entanglement according to claim 1, characterized in that: A drive motor (105) is fixedly connected to the upper outer side of one side of the support frame (101), and a tanning agent delivery pipe (106) is fixedly connected to the upper outer side of the other side of the support frame (101).

3. The tanning apparatus for preventing leather entanglement according to claim 2, characterized in that: A support shaft tube (3) is fixedly connected to the middle of the tanning drum (2), and multiple liquid outlet holes (301) are provided at equal intervals on the outer wall of the support shaft tube (3) and inside the tanning drum (2).

4. A tanning apparatus for preventing leather entanglement according to claim 3, characterized in that: One end of the support shaft tube (3) passes through the support frame (101) on one side and is connected to the output shaft of the drive motor (105) via a coupling. The other end of the support shaft tube (3) passes through the support frame (101) on the other side and is connected to the tanning agent delivery tube (106) via a rotary joint (107).

5. A tanning apparatus for preventing leather entanglement according to claim 1, characterized in that: A sealing ring (406) is provided between the rear end edge of the arc-shaped sealing plate (4) and the front end of the tanning drum (2). The sealing ring (406) is fixedly connected to the arc-shaped sealing plate (4), and the lower end of the arc-shaped sealing plate (4) is rotatably connected to the tanning drum (2) through a rotating shaft (401).

6. A tanning apparatus for preventing leather entanglement according to claim 1, characterized in that: The front end face of the tanning drum (2) and both sides of the upper middle part of the feeding and discharging opening (203) are fixedly connected with internal threaded columns (204). Both sides of the upper middle part of the arc-shaped sealing plate (4) are fixedly connected with connecting plates (402). The front ends of the two connecting plates (402) are rotatably connected with handwheels (403). The rear middle part of the handwheels (403) is fixedly connected with screws (404). The middle part of the screws (404) is fixedly connected with a tightening ring (405).

7. A tanning apparatus for preventing leather entanglement according to claim 6, characterized in that: The rear ends of the two screws (404) pass through the two connecting plates (402) respectively and are inserted into the two internal threaded columns (204) and are threadedly connected and fixed to the internal threaded columns (204).

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