Anti-backflow type synthetic leather extrusion drainage mechanism

By introducing a water-absorbing strip and a motor-driven structure into the synthetic leather extrusion drainage mechanism, the problem of water backflow is solved, achieving efficient extrusion drainage and a convenient user experience.

CN121297409APending Publication Date: 2026-01-09DONGTAI FUAN SYNTHETIC MATERIAL CO LTD +1
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Patent Information

Application Number
CN202511632685.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-10
Publication Date
2026-01-09

AI Technical Summary

Technical Problem

Existing synthetic leather extrusion drainage mechanisms have the problem of extruded water flowing back onto the upper side of the synthetic leather, resulting in poor extrusion drainage and reducing the performance of the synthetic leather.

Method used

A backflow-proof synthetic leather squeezing and drainage mechanism was designed. The water-absorbing strip is abutted against the middle of the rear side of the upper squeezing roller. The water-absorbing strip is driven to move horizontally into the positioning frame by a conveyor motor. The squeezing plate is driven by a squeezing motor to squeeze the water-absorbing strip to drain water. Combined with a water pump and a water storage cover, the water is collected and discharged.

Benefits of technology

It effectively prevents water backflow, improves the squeezing and drainage effect, enhances the flexibility and convenience of use, and improves the drying efficiency of synthetic leather.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an anti-backflow type synthetic leather extrusion drainage mechanism which comprises a supporting frame, an upper side extrusion roller, a lower side extrusion roller, a positioning frame body, a conveying motor, an extrusion motor, an upper extrusion plate, a lower extrusion plate and a water absorption strip body. According to the device, the water absorption strip body is propped against the middle part of the rear side of the upper side extrusion roller, so that after the upper side extrusion roller extrudes synthetic leather, part of extrusion water taken away by the rotation of the upper side extrusion roller can be adsorbed and absorbed by the water absorption strip body, and the phenomenon of water backflow on the surface of the rear side of the upper side extrusion roller is reduced; and meanwhile, a matched drainage structure is designed, so that convenient driving and drainage resetting are realized.
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Description

Technical Field

[0001] This invention belongs to the field of synthetic leather processing technology, and particularly relates to an anti-backflow synthetic leather extrusion drainage mechanism. Background Technology

[0002] Synthetic leather refers to plastic products that mimic the composition and structure of natural leather and can be used as a substitute. Both its front and back are very similar to leather, and it has a certain degree of breathability, making it closer to natural leather than ordinary artificial leather. It is widely used in the production of shoes, boots, bags, and balls. Current synthetic leather processing generally requires washing and pressing. Pressing involves conveying the synthetic leather between upper and lower pressing rollers after washing. The upper and lower pressure rollers roll and squeeze the synthetic leather, causing the water to be squeezed out. However, in this type of pressing and drainage mechanism, as the upper pressing roller rotates, some of the squeezed water is carried to the rear surface of the upper pressing roller. This causes the water on the rear surface of the upper pressing roller to flow downwards. Therefore, when the synthetic leather is conveyed to the area below the rear of the upper pressing roller, water adheres to the upper surface of the synthetic leather, reducing the pressing and drainage effect. Therefore, the structure needs to be upgraded to improve the pressing and drainage effect and the flexibility and convenience of use. Summary of the Invention

[0003] To address the shortcomings of the prior art, the present invention provides an anti-backflow synthetic leather squeezing and drainage mechanism that prevents squeezed-out water from flowing back onto the upper side of the synthetic leather, has a good squeezing and drainage effect, and is flexible and convenient to use.

[0004] To solve the above problems, the technical solution adopted by the present invention is as follows: A backflow-preventing synthetic leather squeezing and drainage mechanism includes a support frame, an upper squeezing roller, a lower squeezing roller, a positioning frame, a conveyor motor, a squeezing motor, an upper squeezing plate, a lower squeezing plate, and an absorbent strip. The upper squeezing roller is mounted on the upper side of the support frame; the lower squeezing roller is mounted on the lower side of the support frame; the upper and lower squeezing rollers are distributed vertically relative to each other, forming a squeezing zone; the positioning frame is mounted on the support frame; the positioning frame is located behind the upper squeezing roller; the absorbent strip is mounted on the outer side of the positioning frame; the absorbent strip abuts against the middle of the rear side of the upper squeezing roller; both the conveyor motor and the squeezing motor are mounted on the positioning frame; the upper and lower squeezing plates are respectively installed vertically inside the positioning frame; the conveyor motor drives the absorbent strip to move horizontally into the positioning frame, so that the absorbent strip is located between the upper and lower squeezing plates; the squeezing motor drives the upper and lower squeezing plates to move relative to each other and squeeze the absorbent strip.

[0005] Furthermore, it also includes a water storage cover; the water storage cover is installed inside the lower part of the positioning frame, and the water storage cover is distributed in the middle lower part between the upper extrusion plate and the lower extrusion plate.

[0006] Furthermore, it also includes a water pump pipe; the water pump pipe passes through the upper side of the positioning frame; the lower end of the water pump pipe extends to the lower interior of the water storage hood, and the upper end of the water pump pipe is equipped with a water pump.

[0007] Furthermore, the positioning frame has horizontal slots on both the front and rear sides; horizontal blocks are slidably engaged in the horizontal slots; a conveying motor is distributed at the front and rear of the inner side of the positioning frame; a horizontal drive rod is connected to the inner side of the conveying motor; the horizontal drive rod is rotatably connected to the horizontal slot; the horizontal drive rod is threadedly connected to the horizontal block; the horizontal drive rod rotates in both directions and controls the horizontal block to move horizontally back and forth; the absorbent strip is installed between the two horizontal blocks.

[0008] Furthermore, the inner side of the horizontal block is provided with positioning rods; the front and rear ends of the absorbent strip are respectively provided with insertion slots; the insertion slots at the front and rear ends of the absorbent strip are sleeved on the positioning rods.

[0009] Furthermore, the inner side of the positioning frame is provided with an upper longitudinal slot and a lower longitudinal slot, respectively. An upper rotating column and a lower rotating column are rotatably engaged in the upper longitudinal slot and the lower longitudinal slot, respectively. An upper lifting block and a lower lifting block are slidably engaged in the upper longitudinal slot and the lower longitudinal slot, respectively. The upper rotating column is threadedly connected to the upper lifting block, and the lower rotating column is threadedly connected to the lower lifting block. An extrusion motor is distributed on the upper inner side of the positioning frame, which drives the upper rotating column and the lower rotating column to rotate in both directions. The outer side of the upper lifting block is connected to an upper extrusion plate, and the outer side of the lower lifting block is connected to a lower extrusion plate.

[0010] Furthermore, the upper rotating column and the lower rotating column are connected by a linkage column for synchronous rotation.

[0011] Furthermore, the threads of the upper rotating post and the lower rotating post are distributed vertically relative to each other.

[0012] Furthermore, the absorbent strip is made of absorbent sponge.

[0013] The beneficial effects of this invention are as follows: This invention features an ingenious structural design. By placing the absorbent strip against the rear center of the upper extrusion roller, some of the squeezed water carried away by the upper extrusion roller after it has squeezed the synthetic leather is absorbed by the absorbent strip, thus reducing backflow of water from the rear surface of the upper extrusion roller. Furthermore, the invention incorporates a drainage structure that matches the absorbent strip. A conveyor motor drives the absorbent strip horizontally into the positioning frame, positioning it between the upper and lower extrusion plates. The extrusion motor then drives the upper and lower extrusion plates closer together, squeezing the absorbent strip to drain the water. After drainage, the extrusion motor drives the upper and lower extrusion plates further apart. Finally, a conveyor motor drives the absorbent strip horizontally to the outside of the positioning frame, placing it against the rear center of the upper extrusion roller. This design facilitates convenient driving and drainage reset. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the longitudinal structure of the present invention.

[0015] Figure 2 This is a longitudinal sectional view of the positioning frame of the present invention.

[0016] Figure 3 For the present invention Figure 2 A schematic diagram of the structure in which the upper and lower extrusion plates squeeze and drain the water-absorbing strip.

[0017] Figure 4 This is a top sectional view of the positioning frame of the present invention.

[0018] Figure 5 For the present invention Figure 4 A schematic diagram of the structure in which the conveyor motor drives the water suction strip to move horizontally into the positioning frame. Detailed Implementation

[0019] The invention will now be described in further detail with reference to the accompanying drawings.

[0020] like Figures 1 to 5As shown, a backflow-preventing synthetic leather extrusion drainage mechanism includes a support frame 1, an upper extrusion roller 2, a lower extrusion roller 3, a positioning frame 4, a conveyor motor 5, an extrusion motor 6, an upper extrusion plate 7, a lower extrusion plate 8, and an absorbent strip 9. The upper extrusion roller 2 is mounted on the upper side of the support frame 1; the lower extrusion roller 3 is mounted on the lower side of the support frame 1; the upper extrusion roller 2 and the lower extrusion roller 3 are arranged opposite each other and form an extrusion zone; the positioning frame 4 is mounted on the support frame 1; the positioning frame 4 is located behind the upper extrusion roller 2. The positioning frame 4 has an external water-absorbing strip 9 installed on its outer side. The water-absorbing strip 9 abuts against the middle of the rear side of the upper extrusion roller 2. The conveying motor 5 and the extrusion motor 6 are both installed on the positioning frame 4. The upper extrusion plate 7 and the lower extrusion plate 8 are respectively installed inside the positioning frame 4. The conveying motor 5 drives the water-absorbing strip 9 to move horizontally into the positioning frame 4, so that the water-absorbing strip 9 is located between the upper extrusion plate 7 and the lower extrusion plate 8. The extrusion motor 6 drives the upper extrusion plate 7 and the lower extrusion plate 8 to move relative to each other and extrude the water-absorbing strip 9.

[0021] like Figures 1 to 5 As shown, in order to facilitate the collection of water squeezed out by the water-absorbing strip 9, a water storage cover 41 is further included; the water storage cover 41 is installed inside the lower part of the positioning frame 4, and the water storage cover 41 is distributed in the middle lower part between the upper extrusion plate 7 and the lower extrusion plate 8.

[0022] like Figures 1 to 5 As shown, to facilitate the drainage of water squeezed out by the absorbent strip 9, a water suction pipe 42 is further included; the water suction pipe 42 passes through the upper side of the positioning frame 4; the lower end of the water suction pipe 42 extends to the lower interior of the water storage hood 41, and a water pump 421 is provided at the upper end of the water suction pipe 42. The water suction pipe 42 can pass through the upper extrusion plate 7 and the lower extrusion plate 8.

[0023] like Figures 1 to 5 As shown, to facilitate the horizontal movement of the absorbent strip 9 driven by the conveying motor 5, the positioning frame 4 is further provided with horizontal slots 43 on both the front and rear sides; horizontal blocks 431 are slidably engaged on the horizontal slots 43 respectively; a conveying motor 5 is distributed at the front and rear of the inner side of the positioning frame 4; a horizontal drive rod 51 is connected to the inner side of the conveying motor 5; the horizontal drive rod 51 is rotatably connected to the horizontal slot 43; the horizontal drive rod 51 is threadedly connected to the horizontal block 51; the horizontal drive rod 51 rotates in both directions and controls the horizontal block 431 to move horizontally back and forth; the absorbent strip 9 is installed between the two horizontal blocks 431.

[0024] like Figures 1 to 5As shown, in order to facilitate the assembly of the absorbent strip 9, the inner side of the horizontal locking block 431 is provided with positioning rods 432 respectively; the front and rear ends of the absorbent strip 9 are provided with insertion slots 91 respectively; the insertion slots 91 at the front and rear ends of the absorbent strip 9 are sleeved on the positioning rods 432.

[0025] like Figures 1 to 5 As shown, in order for the extrusion motor 6 to conveniently drive the upper extrusion plate 7 and the lower extrusion plate 8 to extrude and separate the absorbent strip 9, the positioning frame 4 is further provided with an upper longitudinal slot 44 and a lower longitudinal slot 45 on the inner side, respectively. An upper rotating column 441 and a lower rotating column 451 are rotatably engaged in the upper longitudinal slot 44 and the lower longitudinal slot 45, respectively. An upper lifting block 442 and a lower lifting block 452 are slidably engaged in the upper longitudinal slot 44 and the lower longitudinal slot 45, respectively. The upper rotating column 441 is threadedly connected to the upper lifting block 442, and the lower rotating column 451 is threadedly connected to the lower lifting block 452. The extrusion motor 6 is distributed on the upper inner side of the positioning frame 4, and the extrusion motor 6 drives the upper rotating column 441 and the lower rotating column 451 to rotate in both directions. The outer side of the upper lifting block 442 is connected to the upper extrusion plate 7, and the outer side of the lower lifting block 452 is connected to the lower extrusion plate 8. Furthermore, the upper rotating column 441 and the lower rotating column 451 are synchronously rotated and connected by a linkage column 10.

[0026] like Figures 1 to 5 As shown, to facilitate the longitudinal relative movement of the upper lifting block 442 and the lower lifting block 452, the threads of the upper rotating column 441 and the lower rotating column 451 are further arranged vertically relative to each other. Furthermore, the absorbent strip 9 is made of absorbent sponge.

[0027] This invention features an ingenious structural design. By placing the absorbent strip 9 against the rear center of the upper extrusion roller 2, some of the squeezed water carried away by the upper extrusion roller 2 after it extrudes the synthetic leather is absorbed by the absorbent strip 9. This reduces the backflow of water from the rear surface of the upper extrusion roller 2. Simultaneously, the invention incorporates a matching drainage structure. The absorbent strip 9 is driven horizontally into the positioning frame 4 by the conveyor motor 5, positioning it between the upper extrusion plate 7 and the lower extrusion plate 8. The extrusion motor 6 then drives the upper and lower extrusion plates 7 and 8 to move closer together, squeezing the absorbent strip 9 to drain the water. After drainage, the extrusion motor 6 drives the upper and lower extrusion plates 7 and 8 to move further apart. Finally, the conveyor motor 5 drives the absorbent strip 9 horizontally to the outside of the positioning frame 4, placing it against the rear center of the upper extrusion roller 2. This facilitates convenient driving, drainage, and resetting.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A backflow-preventing synthetic leather extrusion drainage mechanism, characterized in that, The system includes a support frame, an upper extrusion roller, a lower extrusion roller, a positioning frame, a conveyor motor, an extrusion motor, an upper extrusion plate, a lower extrusion plate, and an absorbent strip. The upper extrusion roller is mounted on the upper side of the support frame; the lower extrusion roller is mounted on the lower side of the support frame; the upper and lower extrusion rollers are arranged vertically relative to each other, forming an extrusion zone; the positioning frame is mounted on the support frame; the positioning frame is located behind the upper extrusion roller; the absorbent strip is mounted on the outer side of the positioning frame; the absorbent strip abuts against the middle of the rear side of the upper extrusion roller; both the conveyor motor and the extrusion motor are mounted on the positioning frame; the upper and lower extrusion plates are respectively installed vertically inside the positioning frame; the conveyor motor drives the absorbent strip to move horizontally into the positioning frame, positioning the absorbent strip between the upper and lower extrusion plates; the extrusion motor drives the upper and lower extrusion plates to move relative to each other, extruding the absorbent strip.

2. The anti-backflow synthetic leather extrusion drainage mechanism according to claim 1, characterized in that, It also includes a water storage cover; the water storage cover is installed inside the lower part of the positioning frame, and the water storage cover is distributed in the middle lower part between the upper extrusion plate and the lower extrusion plate.

3. The anti-backflow synthetic leather extrusion drainage mechanism according to claim 2, characterized in that, It also includes a water pump pipe; the water pump pipe passes through the upper side of the positioning frame; the lower end of the water pump pipe extends to the lower interior of the water storage hood, and the upper end of the water pump pipe is equipped with a water pump.

4. The anti-backflow synthetic leather extrusion drainage mechanism according to claim 1, characterized in that, The positioning frame has horizontal slots on its front and rear sides; horizontal blocks are slidably engaged in the horizontal slots; a conveying motor is distributed at the front and rear of the inner side of the positioning frame; a horizontal drive rod is connected to the inner side of the conveying motor; the horizontal drive rod is rotatably connected to the horizontal slot; the horizontal drive rod is threadedly connected to the horizontal block; the horizontal drive rod rotates in both directions and controls the horizontal block to move horizontally back and forth; the absorbent strip is installed between the two horizontal blocks.

5. The anti-backflow synthetic leather extrusion drainage mechanism according to claim 4, characterized in that, The inner side of the horizontal block is provided with positioning rods; the front and rear ends of the absorbent strip are provided with insertion slots; the insertion slots at the front and rear ends of the absorbent strip are sleeved on the positioning rods.

6. The anti-backflow synthetic leather extrusion drainage mechanism according to claim 1, characterized in that, The positioning frame has an upper longitudinal slot and a lower longitudinal slot on its inner side, respectively. An upper rotating column and a lower rotating column are rotatably engaged in the upper and lower longitudinal slots, respectively. An upper lifting block and a lower lifting block are slidably engaged in the upper and lower longitudinal slots, respectively. The upper rotating column and the upper lifting block are threadedly connected, and the lower rotating column and the lower lifting block are threadedly connected. An extrusion motor is distributed on the upper inner side of the positioning frame, which drives the upper rotating column and the lower rotating column to rotate in both directions. The outer side of the upper lifting block is connected to an upper extrusion plate, and the outer side of the lower lifting block is connected to a lower extrusion plate.

7. The anti-backflow synthetic leather extrusion drainage mechanism according to claim 6, characterized in that, The upper rotating column and the lower rotating column are connected by a linkage column for synchronous rotation.

8. The anti-backflow synthetic leather extrusion drainage mechanism according to claim 6, characterized in that, The threads of the upper and lower rotating columns are arranged opposite each other.

9. The anti-backflow synthetic leather extrusion drainage mechanism according to claim 1, characterized in that, The absorbent strip is made of absorbent sponge.