Leather softening device

By introducing heating and percussion treatments into the leather softening device, the problem of poor leather softening effect has been solved, achieving a more efficient leather softening effect.

CN224031024UActive Publication Date: 2026-03-24JIANGXI LONGHUA MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing technology has poor leather softening effect, mainly because the pressure roller directly crushes the leather without preheating treatment.

Method used

A leather softening device was designed, comprising a conveyor belt, a heating device, and a striking device. The heating device preheats the pressure rollers, and the striking device strikes the leather to improve the softening effect.

Benefits of technology

The combination of preheating and pounding significantly improves the softening effect of the leather, making it easier to soften.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224031024U_ABST
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Abstract

The utility model provides a leather softening device, which relates to the technical field of leather processing, and comprises two brackets, the two brackets are positioned on the ground to support the whole, a same conveyor belt is arranged between the two brackets, the conveyor belt can convey leather, a compression roller is rotatably connected to the brackets by virtue of a support plate, and the compression roller is arranged on the support plate. Wherein the pressing roller is a hollow roller, the motor is installed on the supports and drives the pressing roller to rotate through the speed reducer, the pressing roller can roll leather on the conveying belt when the pressing roller rotates, the heating device is fixedly installed on one support, and the heating device can heat the interior of the pressing roller when the pressing roller rotates. The knocking device is arranged on the two supports, the knocking device can knock leather on the conveying belt when the pressing roller rotates, the heating device comprises a fixing box, the effect of heating the leather on the conveying belt is achieved through the heating device, the leather becomes hot, and then softening of the leather is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to leather processing technical field especially relates to a leather softening device. BACKGROUND

[0002] Leather is a kind of animal true skin that is processed by physics and chemistry, has the physical and chemical properties such as air permeability, anticorrosion, softness, tear resistance, bending resistance, etc., and leather softening treatment is a necessary process in leather processing, which generally rolls leather by compression roller.

[0003] The prior art directly rolls leather by compression roller to soften it when softening leather, and the leather is not preheated, resulting in poor leather softening effect. UTILITY MODEL CONTENTS

[0004] The utility model discloses a leather softening device to solve the shortcomings in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a leather softening device, including two supports, two supports are located on the ground and support the whole, two supports are provided with the same conveying belt in the middle, wherein the conveying belt can convey leather, the compression roller is rotatably connected to the support by the support plate, wherein the compression roller is a hollow roller, the motor is installed on the support and drives the compression roller to rotate by the reducer, the compression roller can roll the leather on the conveying belt when rotating, the heating device is fixedly installed on one of the supports, and the heating device can heat the inside of the compression roller when the compression roller rotates, and the knocking device is arranged on the two supports and can knock the leather on the conveying belt when the compression roller rotates.

[0006] The above-mentioned components achieve the following effects: when softening leather, the staff first places the leather on the conveying belt, the conveying belt conveys the leather, when the leather moves to the compression roller, the motor is turned on, the compression roller rotates by the reducer, the heating device preheats the leather, and the knocking device knocks the leather to facilitate softening, then the compression roller rolls the leather to facilitate softening.

[0007] Preferably, the heating device includes a fixed box, the fixed box is fixedly installed above one of the supports, a heating fan is fixedly installed above the fixed box, the output end of the heating fan is located in the inside of the fixed box, the compression roller passes through the fixed box and rotates with it, and the arc surface of the compression roller is uniformly provided with a plurality of air outlets.

[0008] The effect achieved by the above-mentioned components is that when the compression roller rotates, the staff opens the heating fan, the heating fan inputs hot air into the fixed box, and finally the hot air enters the interior of the compression roller. When the compression roller rolls the leather, the hot air flows out of the compression roller through the air outlet holes, and the hot air heats the leather on the conveying belt. The heating device achieves the effect of heating the leather on the conveying belt, the leather is heated, and the softening of the leather is facilitated.

[0009] Preferably, the arc plate is arranged in the interior of the compression roller, wherein the arc plate is attached to the interior of the compression roller, one side of one of the support plates is fixedly connected with a fixed rod, the fixed rod is located in the interior of the arc plate, the arc surface of the fixed rod is fixedly connected with a plurality of connecting rods, the other end of the connecting rod is fixedly connected with the interior of the arc plate, and one side of the arc plate is provided with an opening, wherein the opening is located directly in front of the moving direction of the conveying belt conveying the leather.

[0010] The effect achieved by the above-mentioned components is that when the hot air enters the interior of the compression roller, the hot air flows out of the compression roller through the air outlet holes of the arc plate opening, so that the hot air can directly blow on the leather, thereby improving the heating effect of the leather.

[0011] Preferably, a plurality of triangular plates are fixedly connected at both ends of the connecting rod, and one side of the plurality of triangular plates is fixedly connected with the fixed rod or the inner wall of the arc plate.

[0012] The effect achieved by the above-mentioned components is that the triangular plates increase the contact area between the connecting rod and the arc plate and the fixed rod, thereby improving the stability of the arc plate and avoiding the shaking of the arc plate.

[0013] Preferably, the reserved hole is arranged on the arc surface of the compression roller located in the interior of the fixed box, and the reserved hole is in communication with the interior of the compression roller.

[0014] The effect achieved by the above-mentioned components is that when the heating fan delivers hot air into the interior of the fixed box, the hot air enters the interior of the compression roller through the reserved hole, thereby facilitating the heating of the interior of the compression roller by the hot air.

[0015] Preferably, the two ends of the U-shaped plate are fixedly connected with two brackets, the interior of the U-shaped plate is fixedly connected with a spring, one end of the spring is fixedly connected with a knocking plate, the arc surface of the compression roller is fixedly connected with a plurality of pushing plates, and the knocking plate is fixedly connected with an L-shaped plate at a position corresponding to the pushing plate.

[0016] The effects achieved by the above components are that when the compression roller rotates, the compression roller rotates with the pushing plate, at this time, the pushing plate extrudes the L-shaped plate and the knocking plate to move downward, the spring is deformed, finally, the knocking plate knocks the leather on the conveying belt, meanwhile, the pushing plate moves past the L-shaped plate, under the action of the spring restoring force, the knocking plate returns to the original place, facilitating the next movement of the pushing plate with the knocking plate, with the continuous rotation of the multiple pushing plates, the knocking plate can repeatedly knock the leather on the conveying belt, through the repeated upward and downward movement of the knocking plate of the knocking device, the effect of knocking the leather on the conveying belt is achieved, the air inside the leather flows out, and thus the softening of the leather is facilitated.

[0017] Preferably, the limiting rod is slidably penetrated through the U-shaped plate, and one end of the limiting rod is fixedly connected with the knocking plate.

[0018] The effects achieved by the above components are that the limiting rod is arranged to limit the movement direction of the knocking plate, so that the rotation of the knocking plate is avoided, and the stability of the movement of the knocking plate is improved.

[0019] Preferably, a plurality of protrusions are uniformly fixedly connected to the bottom of the knocking plate, and the tips of the protrusions are away from the knocking plate.

[0020] The effects achieved by the above components are that the protrusions are arranged to reduce the contact area between the knocking plate and the leather, and thus the pressure between the knocking plate and the leather is increased, and the knocking effect of the leather is improved.

[0021] In conclusion, the beneficial effects of the utility model are that:

[0022] When the compression roller rotates, the staff opens the heating fan, the heating fan inputs hot air into the fixed box, and finally the hot air enters the inside of the compression roller, when the compression roller rolls the leather, the hot air flows out of the compression roller through the air outlet, the hot air heats the leather on the conveying belt, through the heating device, the effect of heating the leather on the conveying belt is achieved, the leather is heated, and thus the softening of the leather is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Fig. 2 It is a three-dimensional structure schematic view of the compression roller of the utility model;

[0025] Fig. 3 It is a sectional view of the compression roller of the utility model;

[0026] Fig. 4 It is a three-dimensional structure schematic view of the arc plate of the utility model;

[0027] Fig. 5 It is a sectional view of the fixed box of the utility model;

[0028] Fig. 6 It is the three-dimensional structure schematic diagram of the knocking device of the utility model.

[0029] Legend: 1, support; 2, conveying belt; 3, support plate; 4, motor; 5, compression roller; 6, heating device; 61, fixed box; 62, heating fan; 63, air outlet; 64, fixed rod; 65, connecting rod; 66, arc plate; 67, triangular plate; 68, reserved hole; 7, knocking device; 71, U-shaped plate; 72, spring; 73, knocking plate; 74, L-shaped plate; 75, push plate; 76, protruding block; 77, limiting rod. DETAILED DESCRIPTION

[0030] Referring to Figs. 1-6 The embodiment discloses a kind of leather softening device, including two supports 1, two supports 1 are located on the ground to support overall, two supports 1 middle are provided with same conveying belt 2, wherein conveying belt 2 can be conveyed to leather;Compression roller 5, compression roller 5 is rotatably connected on support 1 by support plate 3, wherein compression roller 5 is hollow roller;Motor 4, motor 4 is installed on support 1 and drives compression roller 5 to rotate by speed reducer, when compression roller 5 rotates, compression roller 5 can be rolled on the leather on conveying belt 2;Heating device 6, heating device 6 is fixedly installed on one of support 1, when compression roller 5 rotates, heating device 6 can heat inside compression roller 5;Knocking device 7, knocking device 7 is arranged on two supports 1, when compression roller 5 rotates, knocking device 7 can knock the leather on conveying belt 2.In softening leather, staff first places leather to conveying belt 2, conveying belt 2 is transported to leather, when leather moves to compression roller 5, open motor 4, and rotate with compression roller 5 by speed reducer, heating device 6 is preheated to leather, while knocking device 7 is knocked to leather to make it convenient to soften, then compression roller 5 is rolled to leather, and it is convenient to soften leather.

[0031] Referring to Figs. 1-6 As shown in the figure, heating device 6 includes fixed box 61, fixed box 61 is fixedly installed above one of support 1, fixed box 61 is fixedly installed with heating fan 62 above, wherein the output end of heating fan 62 is located inside fixed box 61, wherein compression roller 5 passes through fixed box 61 and rotates with it, and the arc surface of compression roller 5 is uniformly provided with a plurality of air outlets 63.In the rotation of compression roller 5, staff opens heating fan 62, and heating fan 62 inputs hot air into fixed box 61, finally hot air enters the inside of compression roller 5, when compression roller 5 is rolled to leather, hot air flows out of compression roller 5 through air outlet 63, and hot air is heated to the leather on conveying belt 2, and the effect of heating leather on conveying belt 2 is achieved by heating device 6, so that leather is heated, and then it is convenient to soften leather.

[0032] Referring toFigs. 1-6 As shown in FIG. 6, the arc plate 66 is arranged in the interior of the compression roller 5, wherein the arc plate 66 is attached to the interior of the compression roller 5, one side of the support plate 3 is fixedly connected with the fixed rod 64, the fixed rod 64 is located in the interior of the arc plate 66, the arc surface of the fixed rod 64 is fixedly connected with a plurality of connecting rods 65, the other end of the connecting rod 65 is fixedly connected with the interior of the arc plate 66, one side of the arc plate 66 is provided with an opening, wherein the opening is located in front of the moving direction of the conveying belt 2. When the hot air enters the interior of the compression roller 5, the hot air flows out of the compression roller 5 through the air outlet hole 63 of the opening of the arc plate 66, so that the hot air can directly blow on the leather, thereby improving the heating effect of the leather. A plurality of triangular plates 67 are fixedly connected at both ends of the connecting rod 65, wherein one side of the plurality of triangular plates 67 is fixedly connected with the inner wall of the fixed rod 64 or the arc plate 66. By arranging the triangular plate 67, the contact area between the connecting rod 65 and the arc plate 66 and the fixed rod 64 is increased, thereby improving the stability of the arc plate 66 and avoiding the shaking of the arc plate 66. The reserved hole 68 is arranged on the arc surface of the compression roller 5 located in the interior of the fixed box 61, wherein the reserved hole 68 is in communication with the interior of the compression roller 5. When the heating fan 62 sends hot air into the interior of the fixed box 61, the hot air enters the interior of the compression roller 5 through the reserved hole 68, thereby facilitating the heating of the interior of the compression roller 5 by the hot air.

[0033] Referring to Figs. 1-6 As shown in FIG. 6, the arc plate 66 is arranged in the interior of the compression roller 5, wherein the arc plate 66 is attached to the interior of the compression roller 5, one side of the support plate 3 is fixedly connected with the fixed rod 64, the fixed rod 64 is located in the interior of the arc plate 66, the arc surface of the fixed rod 64 is fixedly connected with a plurality of connecting rods 65, the other end of the connecting rod 65 is fixedly connected with the interior of the arc plate 66, one side of the arc plate 66 is provided with an opening, wherein the opening is located in front of the moving direction of the conveying belt 2. When the hot air enters the interior of the compression roller 5, the hot air flows out of the compression roller 5 through the air outlet hole 63 of the opening of the arc plate 66, so that the hot air can directly blow on the leather, thereby improving the heating effect of the leather. A plurality of triangular plates 67 are fixedly connected at both ends of the connecting rod 65, wherein one side of the plurality of triangular plates 67 is fixedly connected with the inner wall of the fixed rod 64 or the arc plate 66. By arranging the triangular plate 67, the contact area between the connecting rod 65 and the arc plate 66 and the fixed rod 64 is increased, thereby improving the stability of the arc plate 66 and avoiding the shaking of the arc plate 66. The reserved hole 68 is arranged on the arc surface of the compression roller 5 located in the interior of the fixed box 61, wherein the reserved hole 68 is in communication with the interior of the compression roller 5. When the heating fan 62 sends hot air into the interior of the fixed box 61, the hot air enters the interior of the compression roller 5 through the reserved hole 68, thereby facilitating the heating of the interior of the compression roller 5 by the hot air.

[0034] Referring to Figs. 1-6As shown, the limiting rod 77 is slid through the U-shaped plate 71, one end of which is fixedly connected with the knocking plate 73. The limiting rod 77 limits the moving direction of the knocking plate 73, avoids the rotation of the knocking plate 73, and improves the stability of the movement of the knocking plate 73. The plurality of protrusions 76 are fixedly connected to the bottom of the knocking plate 73, and the tips of the protrusions 76 are away from the knocking plate 73. The protrusions 76 reduce the contact area between the knocking plate 73 and the leather, thereby increasing the pressure between the knocking plate 73 and the leather, and improving the knocking effect of the leather.

[0035] Working principle: when softening the leather, the worker first places the leather on the conveyor belt 2, and the conveyor belt 2 conveys the leather. When the leather moves to the pressure roller 5, the motor 4 is turned on, and the pressure roller 5 rotates through the reducer. At this time, the worker turns on the heating fan 62, and the heating fan 62 inputs hot air into the fixed box 61. The hot air enters the inside of the pressure roller 5 through the reserved hole 68, and flows out of the pressure roller 5 through the air outlet hole 63 of the arc plate 66, so that the hot air can directly blow on the leather, thereby improving the heating effect of the leather. The heating device 6 heats the leather on the conveyor belt 2, makes the leather hot, and facilitates the softening of the leather.

[0036] When the pressure roller 5 rotates, the pressure roller 5 rotates with the pushing plate 75. At this time, the pushing plate 75 extrudes the L-shaped plate 74 and the knocking plate 73 to move downward, and the spring 72 deforms. The limiting rod 77 limits the moving direction of the knocking plate 73, and finally the knocking plate 73 knocks the leather on the conveyor belt 2 with the help of the protrusions 76. At the same time, the pushing plate 75 moves over the L-shaped plate 74. Under the action of the restoring force of the spring 72, the knocking plate 73 returns to the original place, facilitating the movement of the pushing plate 75 with the knocking plate 73 next time. With the continuous rotation of the plurality of pushing plates 75, the knocking plate 73 can repeatedly knock the leather on the conveyor belt 2. The knocking plate 73 of the knocking device 7 repeatedly moves up and down, and the leather on the conveyor belt 2 is knocked, so that the air in the leather flows out, and the leather is softened.

Claims

1. A leather softening device, characterized by: Including two supports (1), two said support (1) is located on the ground to support the whole, two said support (1) is provided with the same conveyor belt (2), wherein the conveyor belt (2) can be transported to the leather; Roller (5), the roller (5) is rotatably connected to the support (1) by the support plate (3), wherein the roller (5) is a hollow roller; Motor (4), the motor (4) is installed on the support (1) and drives the roller (5) to rotate by the reducer, and the roller (5) can roll the leather on the conveyor belt (2) when the roller (5) rotates; Heating device (6), the heating device (6) is fixedly installed on one of the supports (1), and the heating device (6) can heat the inside of the roller (5) when the roller (5) rotates; Knocking device (7), the knocking device (7) is arranged on the two supports (1), and the knocking device (7) can knock the leather on the conveyor belt (2) when the roller (5) rotates.

2. A leather softening device according to claim 1, characterised in that: The heating device (6) comprises a fixed box (61), and the fixed box (61) is fixedly installed above one of the supports (1). A heating fan (62) is fixedly installed above the fixed box (61), and the output end of the heating fan (62) is located in the fixed box (61). The roller (5) passes through the fixed box (61) and rotates with it. A plurality of air outlets (63) are uniformly arranged on the arc surface of the roller (5).

3. A leather softening device according to claim 2, characterised in that: Further comprising: An arc plate (66) is arranged in the roller (5). The arc plate (66) is attached to the inside of the roller (5). One side of one of the support plates (3) is fixedly connected with a fixed rod (64). The fixed rod (64) is located in the arc plate (66). A plurality of connecting rods (65) are fixedly connected to the arc surface of the fixed rod (64). The other end of the connecting rod (65) is fixedly connected to the inside of the arc plate (66). An opening is formed in one side of the arc plate (66). The opening is located directly in front of the moving direction of the leather transported by the conveyor belt (2).

4. A leather softening device according to claim 3, characterised in that: A plurality of triangular plates (67) are fixedly connected to the two ends of the connecting rod (65). One side of the plurality of triangular plates (67) is fixedly connected to the fixed rod (64) or the inner wall of the arc plate (66).

5. A leather softening device according to claim 2, wherein: Further comprising: A reserved hole (68) is formed in the arc surface of the roller (5) located in the fixed box (61). The reserved hole (68) is in communication with the inside of the roller (5).

6. A leather softening device according to claim 1, characterized in that: The knocking device (7) comprises a U-shaped plate (71). The two ends of the U-shaped plate (71) are fixedly connected to the two supports (1). A spring (72) is fixedly connected to the inside of the U-shaped plate (71). One end of the spring (72) is fixedly connected with a knocking plate (73). A plurality of pushing plates (75) are fixedly connected to the arc surface of the roller (5). The knocking plate (73) is fixedly connected with an L-shaped plate (74) corresponding to the pushing plate (75).

7. A leather softening device according to claim 6, characterised in that: Further comprising: A limiting rod (77) is slid through the U-shaped plate (71), wherein one end of the limiting rod (77) is fixedly connected with the knocking plate (73).

8. A leather softening device according to claim 6, characterised in that: Further comprising: A plurality of protrusions (76) are fixedly connected to the bottom of the knocking plate (73), and the tips of the protrusions (76) are away from the knocking plate (73).