Coating equipment for synthetic leather surface treating agent

By introducing a traction and compression mechanism of the coating nozzle reciprocating motion and a servo motor drive in the synthetic leather coating equipment, the problem of poor coating uniformity is solved, and the double-side uniform coating and stable coating effect of the synthetic leather is achieved.

CN223055945UActive Publication Date: 2025-07-04FUJIAN DONGTAI HIGH POLYMER MATERIAL CO LTD
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Patent Information

Application Number
CN202521114698.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-03
Publication Date
2025-07-04
Estimated Expiration
2035-06-03

AI Technical Summary

Technical Problem

The existing synthetic leather coating equipment has the problem of poor coating uniformity, which affects the processing quality of synthetic leather.

Method used

The coated spray tube 1 and coated spray tube 2 are connected to the feeder through a flexible tube. The driving component is composed of a support plate, a servo motor 2, a cam, a rotating shaft, a swing arm, a spring, and an L-shaped pull rod to realize the reciprocating movement of the coated spray tube. Combined with the traction and compression mechanism driven by the servo motor, the synthetic leather is tightened and the coating uniformity is improved.

Benefits of technology

Double-side coating of synthetic leather is achieved, improving the uniformity and stability of coating and avoiding the degradation of coating quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223055945U_ABST
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Abstract

The utility model relates to the technical field of coating equipment, and discloses coating equipment for a synthetic leather surface treating agent, which solves the problem that the existing coating equipment is poor in coating uniformity, and comprises a coating box, a controller is arranged at the top end of the coating box, and a feeding machine is arranged on the back surface of the coating box. A first servo motor is fixedly arranged at one end of the front face of the coating box, a traction mechanism fixedly connected with an output shaft of the first servo motor is arranged at one end in the coating box, a pressing mechanism is arranged at the other end in the coating box, and a coating mechanism is arranged at the end, close to the pressing mechanism, in the coating box. Two UV curing boxes are arranged at the end, close to the traction mechanism, in the coating box. The coating mechanism is composed of a first coating spraying pipe, a second coating spraying pipe and a driving assembly. Through the coating equipment, the coating uniformity can be improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of coating equipment, and particularly relates to a coating equipment for a surface treatment agent of synthetic leather. Background Art

[0002] In the process of synthetic leather processing, it is necessary to coat a surface treatment agent on its surface to improve the comprehensive performance of the synthetic leather. The spray pipes or nozzles in the existing coating equipment are usually fixedly installed structures, and the coating direction is relatively fixed, making it difficult to ensure the uniformity of coating, thus unable to guarantee the quality of synthetic leather processing. Therefore, this application proposes a coating equipment for a surface treatment agent of synthetic leather to improve the above problems. Content of the Utility Model

[0003] In view of the above situation, to overcome the defects of the existing technology, the utility model provides a coating equipment for a surface treatment agent of synthetic leather, effectively solving the problem of poor coating uniformity existing in the existing coating equipment.

[0004] To achieve the above object, the utility model provides the following technical solution: A coating equipment for a surface treatment agent of synthetic leather, including a coating box, a controller is arranged at the top of the coating box, a feeder is arranged at the back of the coating box, a servo motor one is fixedly arranged at one end of the front of the coating box, a traction mechanism fixedly connected to the output shaft of the servo motor one is arranged at one end inside the coating box, a pressing mechanism is arranged at the other end inside the coating box, a coating mechanism is arranged at one end inside the coating box close to the pressing mechanism, and two UV curing boxes are arranged at one end inside the coating box close to the traction mechanism;

[0005] The coating mechanism is composed of a coating spray pipe one, a coating spray pipe two and a driving component. Both the coating spray pipe one and the coating spray pipe two are connected to the feeder through flexible pipes. Limit seats are fixedly arranged at the top and bottom of one end inside the coating box close to the coating mechanism. Limit bars slidably connected to the limit seats are fixedly arranged at the top of the coating spray pipe one and the bottom of the coating spray pipe two;

[0006] The driving component is composed of a support vertical plate, a servo motor two, a cam, a rotating shaft, a swing arm, a tension spring, an L-shaped pull rod one and an L-shaped pull rod two. The support vertical plate is fixedly connected to the coating box, the servo motor two is fixedly connected to the support vertical plate, the cam is fixedly connected to the output shaft of the servo motor two, the rotating shaft is rotatably connected to the support vertical plate through a bearing, the swing arm is fixedly connected to the end of the rotating shaft away from the support vertical plate, the tension spring is fixedly connected between the swing arm and the support vertical plate, the L-shaped pull rod one and the L-shaped pull rod two are respectively fixedly connected to one end of the coating spray pipe one and the coating spray pipe two and penetrate through the swing arm, and two strip-shaped grooves matching the L-shaped pull rod one and the L-shaped pull rod two are arranged on the swing arm.

[0007] Preferably, both ends of the coating box are provided with inlet and outlet openings, and auxiliary supporting rollers are rotatably arranged at the bottom ends inside the inlet and outlet openings.

[0008] Preferably, both the traction mechanism and the pressing mechanism are composed of a supporting roller, a U-shaped support frame, a pressing roller, two limiting rods and an adjusting screw. The supporting roller is rotatably connected to the inside of the coating box. The supporting roller on the traction mechanism is fixedly connected to the output shaft of the first servo motor. The adjusting screw penetrates through the top end of the coating box and is threadedly connected to the coating box. The U-shaped support frame is rotatably connected to the bottom end of the adjusting screw. The pressing roller is rotatably connected to the inside of the U-shaped support frame. The two limiting rods are respectively fixedly connected to both ends of the top of the U-shaped support frame and slidably penetrate through the coating box.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] (1) During operation, by providing a first coating spray pipe, a second coating spray pipe, and a driving assembly composed of a supporting vertical plate, a second servo motor, a cam, a rotating shaft, a swing arm, a tension spring, a first L-shaped pull rod and a second L-shaped pull rod, double-sided coating of the synthetic leather can be achieved. During the coating process, the first coating spray pipe and the second coating spray pipe can be driven to reciprocate, improving the uniformity of coating. By providing a limiting seat and a limiting strip, the first coating spray pipe and the second coating spray pipe can be limited, improving their stability;

[0011] (2) By providing the first servo motor, and a traction mechanism and a pressing mechanism composed of a supporting roller, a U-shaped support frame, a pressing roller, two limiting rods and an adjusting screw, the synthetic leather can be kept in a taut state, avoiding the relaxation of the synthetic leather and affecting the coating quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model.

[0013] In the drawings:

[0014] Figure 1 is a schematic structural diagram of the coating device for the surface treatment agent of the synthetic leather of the present utility model;

[0015] Figure 2 is a schematic structural diagram of the inside of the coating box of the present utility model;

[0016] Figure 3 is a schematic structural diagram of the coating mechanism of the present utility model;

[0017] Figure 4 is a schematic structural diagram of the driving assembly of the present utility model;

[0018] Figure 5Schematic structural diagram of the traction mechanism of the present utility model;

[0019] In the figure: 1, coating box; 2, controller; 3, feeder; 4, servo motor 1; 5, traction mechanism; 6, pressing mechanism; 7, coating mechanism; 8, UV curing box; 9, coating nozzle 1; 10, coating nozzle 2; 11, drive assembly; 12, flexible pipe; 13, limit seat; 14, limit strip; 15, supporting vertical plate; 16, servo motor 2; 17, cam; 18, rotating shaft; 19, swing arm; 20, tension spring; 21, L-shaped pull rod 1; 22, L-shaped pull rod 2; 23, strip-shaped groove; 24, inlet and outlet; 25, auxiliary idler; 26, support roller; 27, U-shaped support frame; 28, pressure roller; 29, limit rod; 30, adjusting screw. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0021] As Figures 1 to 5 shown, a coating device for a synthetic leather surface treatment agent of the present utility model includes a coating box 1. A controller 2 is provided at the top of the coating box 1. A feeder 3 is provided on the back of the coating box 1. A servo motor 1 4 is fixedly provided at one end of the front surface of the coating box 1. A traction mechanism 5 fixedly connected to the output shaft of the servo motor 1 4 is provided at one end inside the coating box 1. A pressing mechanism 6 is provided at the other end inside the coating box 1. A coating mechanism 7 is provided at one end inside the coating box 1 near the pressing mechanism 6. Two UV curing boxes 8 are provided at one end inside the coating box 1 near the traction mechanism 5;

[0022] During coating, the synthetic leather is passed through the coating box 1, and the synthetic leather is pressed and limited by the traction mechanism 5 and the pressing mechanism 6, and at the same time, the traction function is realized. The traction mechanism 5 and the pressing mechanism 6 tighten the synthetic leather to prevent the synthetic leather from loosening. The servo motor 1 4 can drive the traction mechanism 5 to rotate. The coating mechanism 7 realizes double-sided coating operation on the synthetic leather. The UV curing box 8 realizes rapid curing of the coated synthetic leather;

[0023] The coating mechanism 7 is composed of a first coating nozzle 9, a second coating nozzle 10 and a driving assembly 11. Both the first coating nozzle 9 and the second coating nozzle 10 are connected to the feeder 3 through flexible tubes 12. At the top and bottom of the inner part of the coating box 1 near one end of the coating mechanism 7, limiting seats 13 are fixedly arranged. At the top end of the first coating nozzle 9 and the bottom end of the second coating nozzle 10, limiting strips 14 fixedly arranged and slidably connected to the limiting seats 13 are provided;

[0024] The feeder 3 supplies the treatment agent to the first coating nozzle 9 and the second coating nozzle 10 through the flexible tubes 12. Double-sided coating operation is realized through the first coating nozzle 9 and the second coating nozzle 10. The limiting strips 14 can slide along the limiting seats 13, realizing stable support for the first coating nozzle 9 and the second coating nozzle 10, and improving the mobility of the first coating nozzle 9 and the second coating nozzle 10. The driving assembly 11 drives the first coating nozzle 9 and the second coating nozzle 10 to reciprocate;

[0025] The driving assembly 11 is composed of a supporting vertical plate 15, a second servo motor 16, a cam 17, a rotating shaft 18, a swing arm 19, a tension spring 20, a first L-shaped pull rod 21 and a second L-shaped pull rod 22. The supporting vertical plate 15 is fixedly connected to the coating box 1. The second servo motor 16 is fixedly connected to the supporting vertical plate 15. The cam 17 is fixedly connected to the output shaft of the second servo motor 16. The rotating shaft 18 is rotatably connected to the supporting vertical plate 15 through a bearing. The swing arm 19 is fixedly connected to one end of the rotating shaft 18 away from the supporting vertical plate 15. The tension spring 20 is fixedly connected between the swing arm 19 and the supporting vertical plate 15. The first L-shaped pull rod 21 and the second L-shaped pull rod 22 are respectively fixedly connected to one end of the first coating nozzle 9 and the second coating nozzle 10 and penetrate through the swing arm 19. Two strip-shaped grooves 23 matching the first L-shaped pull rod 21 and the second L-shaped pull rod 22 are provided on the swing arm 19;

[0026] When the driving assembly 11 works, the second servo motor 16 drives the cam 17 to rotate. The cam 17 drives the swing arm 19 to swing around the central axis of the rotating shaft 18. The tension spring 20 can drive the swing arm 19 to reset. Through the cooperation of the cam 17 and the tension spring 20, the swing arm 19 can be driven to reciprocate. The swing arm 19 drives the first L-shaped pull rod 21 and the second L-shaped pull rod 22 to reciprocate. The first coating nozzle 9 and the second coating nozzle 10 are respectively driven to reciprocate through the first L-shaped pull rod 21 and the second L-shaped pull rod 22, thereby improving the coating uniformity;

[0027] Feeding and discharging openings 24 are provided at both ends of the coating box 1. An auxiliary supporting roller 25 is rotatably arranged at the bottom end inside the feeding and discharging openings 24, which can realize the entry and exit of the synthetic leather into and out of the coating box 1. The auxiliary supporting roller 25 realizes movable support for the synthetic leather and reduces the friction;

[0028] The traction mechanism 5 and the pressing mechanism 6 are both composed of a support roller 26, a U-shaped support frame 27, a pressing roller 28, two limiting rods 29 and an adjusting screw 30. The support roller 26 is rotatably connected to the inside of the coating box 1. The support roller 26 on the traction mechanism 5 is fixedly connected to the output shaft of the first servo motor 4. The adjusting screw 30 penetrates through the top of the coating box 1 and is threadedly connected to the coating box 1. The U-shaped support frame 27 is rotatably connected to the bottom end of the adjusting screw 30. The pressing roller 28 is rotatably connected to the inside of the U-shaped support frame 27. The two limiting rods 29 are respectively fixedly connected to both ends of the top of the U-shaped support frame 27 and slidably penetrate through the coating box 1;

[0029] The synthetic leather is located between the support roller 26 and the pressing roller 28 to press the synthetic leather, making the synthetic leather in a taut state. The first servo motor 4 drives the support roller 26 on the traction mechanism 5 to rotate, so as to be able to pull the synthetic leather and realize continuous coating operation. The adjusting screw 30 can adjust the height of the pressing roller 28, so as to realize fine adjustment of the pressing force. The limiting rods 29 limit the U-shaped support frame 27 to improve stability.

[0030] During operation, by providing a first coating spray pipe, a second coating spray pipe, and a driving assembly composed of a support vertical plate, a second servo motor, a cam, a rotating shaft, a swing arm, a tension spring, a first L-shaped pull rod and a second L-shaped pull rod, double-sided coating of the synthetic leather can be realized. During the coating process, the first coating spray pipe and the second coating spray pipe can be driven to reciprocate, improving the uniformity of coating. By providing a limit seat and a limit strip, the first coating spray pipe and the second coating spray pipe can be limited to improve their stability; by providing the first servo motor, as well as a traction mechanism and a pressing mechanism composed of a support roller, a U-shaped support frame, a pressing roller, two limiting rods and an adjusting screw, it can be ensured that the synthetic leather is in a taut state, avoiding the synthetic leather from becoming loose and affecting the coating quality.

Claims

1. A coating device for a synthetic leather surface treatment agent, comprising a coating box (1), characterized in that: A controller (2) is provided at the top of the coating box (1). A feeder (3) is provided at the back of the coating box (1). One end of the front of the coating box (1) is fixedly provided with a first servo motor (4). One end inside the coating box (1) is provided with a traction mechanism (5) fixedly connected to the output shaft of the first servo motor (4). The other end inside the coating box (1) is provided with a pressing mechanism (6). One end inside the coating box (1) near the pressing mechanism (6) is provided with a coating mechanism (7). One end inside the coating box (1) near the traction mechanism (5) is provided with two UV curing boxes (8); The coating mechanism (7) is composed of a first coating nozzle (9), a second coating nozzle (10) and a driving assembly (11). Both the first coating nozzle (9) and the second coating nozzle (10) are connected to the feeder (3) through flexible pipes (12). At the top and bottom of one end inside the coating box (1) near the coating mechanism (7), limiting seats (13) are fixedly provided. At the top of the first coating nozzle (9) and the bottom of the second coating nozzle (10), limiting bars (14) fixedly connected to the limiting seats (13) are slidably connected; The driving assembly (11) is composed of a supporting vertical plate (15), a second servo motor (16), a cam (17), a rotating shaft (18), a swing arm (19), a tension spring (20), a first L-shaped pull rod (21) and a second L-shaped pull rod (22). The supporting vertical plate (15) is fixedly connected to the coating box (1). The second servo motor (16) is fixedly connected to the supporting vertical plate (15). The cam (17) is fixedly connected to the output shaft of the second servo motor (16). The rotating shaft (18) is rotatably connected to the supporting vertical plate (15) through a bearing. The swing arm (19) is fixedly connected to the end of the rotating shaft (18) away from the supporting vertical plate (15). The tension spring (20) is fixedly connected between the swing arm (19) and the supporting vertical plate (15). The first L-shaped pull rod (21) and the second L-shaped pull rod (22) are respectively fixedly connected to one end of the first coating nozzle (9) and the second coating nozzle (10) and penetrate through the swing arm (19). Two strip-shaped grooves (23) matching the first L-shaped pull rod (21) and the second L-shaped pull rod (22) are provided on the swing arm (19).

2. The coating device for the surface treatment agent of synthetic leather according to claim 1, characterized in that: Both ends of the coating box (1) are provided with inlet and outlet openings (24). At the bottom inside the inlet and outlet openings (24), auxiliary supporting rollers (25) are rotatably provided.

3. The coating device for a synthetic leather surface treatment agent according to claim 1, characterized in that: Both the traction mechanism (5) and the pressing mechanism (6) are composed of supporting rollers (26), U-shaped support frames (27), pressing rollers (28), two limiting rods (29) and adjusting screws (30). The supporting rollers (26) are rotatably connected inside the coating box (1). The supporting roller (26) on the traction mechanism (5) is fixedly connected to the output shaft of the first servo motor (4). The adjusting screw (30) penetrates through the top of the coating box (1) and is threadedly connected to the coating box (1). The U-shaped support frame (27) is rotatably connected to the bottom of the adjusting screw (30). The pressing roller (28) is rotatably connected inside the U-shaped support frame (27). The two limiting rods (29) are respectively fixedly connected to both ends of the top of the U-shaped support frame (27) and slidably penetrate through the coating box (1).