Surface treatment device for water-based PU synthetic leather

Abstract

The utility model discloses a water-based PU synthetic leather surface treatment device which comprises a base, supporting columns are fixedly connected to the four ends of the upper portion of the base, a top plate is fixedly connected to the upper ends of the supporting columns, and two pairs of connecting frames are fixedly connected to the inner ends of the top plate and the base. According to the water-based PU synthetic leather surface treatment device, the water-based PU synthetic leather can be stably conveyed by arranging a conveying roller and a wire guide roller in the treatment device, so that the stability of the water-based PU synthetic leather during surface treatment is ensured, and meanwhile, the surface of the water-based PU synthetic leather can be sprayed in cooperation with a pigment box, a liquid storage plate and a spray head above so as to achieve the bright effect; under the action of a second driving motor, a lead screw and a threaded block, the distance between a guide roller and a conveying roller can be adjusted, corresponding adjustment is conducted according to the water-based PU synthetic leather with different thicknesses, it is guaranteed that the synthetic leather is in a flat state all the time, and therefore the advantage that the synthetic leather can be prevented from being wrinkled is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of PU synthetic leather processing, and particularly relates to a surface treatment device for waterborne PU synthetic leather. Background Art

[0002] Waterborne PU synthetic leather belongs to a kind of polyurethane elastomer, with soft and natural luster, soft hand feeling, and a strong leather-like appearance. It has excellent mechanical properties such as excellent adhesion to the substrate, abrasion resistance, flex resistance, and anti-aging. At the same time, it also has advantages such as good cold resistance, breathability, washability, convenient processing, and low price, and is the most ideal substitute for natural leather.

[0003] During the production and processing of waterborne PU synthetic leather, it is often necessary to spray the surface of the waterborne PU synthetic leather to achieve a bright effect. When spraying, a spraying treatment machine for PU synthetic leather is required. Currently, the commonly used spraying treatment machine is generally composed of a spraying device and a conveying device. The PU synthetic leather is placed above the conveying device and the spraying device is used to spray its surface, and the conveying device evenly drives the movement of the PU synthetic leather to achieve uniform spraying. However, during the spraying process, the PU synthetic leather is prone to wrinkling, resulting in a poor spraying effect. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a surface treatment device for waterborne PU synthetic leather, which solves the problem that the PU synthetic leather is prone to wrinkling during the spraying process in the prior art, resulting in a poor spraying effect.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme. A surface treatment device for waterborne PU synthetic leather includes a base. Four ends above the base are fixedly connected with support columns. The upper ends of the support columns are fixedly connected with a top plate. Two pairs of connecting frames are fixedly connected between the inner ends of the top plate and the base. One end of the outer side of the connecting frame is fixedly connected with a first driving motor. The output end of the first driving motor penetrates through the connecting frame and is provided with a conveying roller inward.

[0006] A second driving motor is fixedly connected above the top plate. The output end of the second driving motor penetrates through the connecting frame and is provided with a lead screw inward. A threaded block is threadedly connected to the lead screw.

[0007] As a further description of the above technical scheme: A slot is opened on the connecting frame. The threaded block penetrates through the slot and is rotatably connected with a guiding roller inward.

[0008] As a further description of the above technical scheme: A pigment box is arranged above the top plate. A filling port is penetrated through the middle above the pigment box.

[0009] As a further description of the above technical solution: a liquid storage plate is provided downward through the top plate of the pigment box, and a plurality of nozzles are opened below the liquid storage plate.

[0010] As a further description of the above technical solution: the other end above the top plate is fixedly connected with a heating box, and an air inlet pipe is arranged through one end of the heating box.

[0011] As a further description of the above technical solution: the other end of the air inlet pipe is arranged through a connection box, and the connection box is fixedly installed on the support column, and a heating plate is arranged at the outer end of the connection box.

[0012] As a further description of the above technical solution: an installation groove is arranged inside the heating box, and a filter plate is correspondingly arranged inside the installation groove.

[0013] As a further description of the above technical solution: both ends of the filter plate are fixedly connected with limit blocks, limit grooves are arranged at both ends of the installation groove, and screw holes are arranged inside the limit blocks and the limit grooves.

[0014] The utility model has the following beneficial effects:

[0015] 1. Compared with the prior art, the surface treatment device of the water-based PU synthetic leather can stably convey the water-based PU synthetic leather by arranging conveying rollers and guide rollers inside the treatment device, thereby ensuring the stability of the water-based PU synthetic leather during surface treatment. At the same time, with the cooperation of the pigment box, liquid storage plate and nozzles above, the surface of the water-based PU synthetic leather can be sprayed to achieve a bright effect. Under the action of the second driving motor, the lead screw and the threaded block, the distance between the guide roller and the conveying roller can be adjusted, and corresponding adjustments can be made according to the water-based PU synthetic leather with different thicknesses to ensure that the synthetic leather is always in a flat state, thus realizing the advantage of preventing the synthetic leather from wrinkling.

[0016] 2. Compared with the prior art, the surface treatment device of the water-based PU synthetic leather can heat and dry the water-based PU synthetic leather after surface spraying by arranging a heating box, an air inlet pipe, a connection box and a heating plate, thereby effectively improving the surface treatment efficiency of the water-based PU synthetic leather.

[0017] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following further illustrates the utility model with reference to the drawings and embodiments;

[0019] Figure 1 is the overall structural schematic diagram of the utility model.

[0020] Figure 2 is a cross-sectional view of the present utility model.

[0021] Figure 3 is a schematic structural diagram of the lifting and adjusting assembly of the present utility model.

[0022] Figure 4 is a schematic structural diagram of the installation of the filtering assembly of the present utility model.

[0023] Legend:

[0024] 1. Top plate; 2. Support column; 3. Base; 4. Connecting frame; 5. First driving motor; 6. Conveyor roller; 7. Heating plate; 8. Connecting box; 9. Filling port; 10. Pigment box; 11. Guide roller; 12. Second driving motor; 13. Heating box; 14. Intake pipe; 15. Nozzle; 16. Liquid storage plate; 17. Groove; 18. Threaded block; 19. Lead screw; 20. Installation groove; 21. Limit block; 22. Filter plate; 23. Threaded hole; 24. Limit groove. Specific embodiments

[0025] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it should not be construed as a limitation on the protection scope of the present utility model.

[0026] Referring to Figures 1-4 , an embodiment provided by the present utility model, a surface treatment device for water-based PU synthetic leather, includes a base 3. Four ends above the base 3 are fixedly connected with support columns 2. The upper ends of the support columns 2 are fixedly connected with a top plate 1. Two pairs of connecting frames 4 are fixedly connected between the inner ends of the top plate 1 and the base 3. One outer end of the connecting frame 4 is fixedly connected with a first driving motor 5. The output end of the first driving motor 5 penetrates through the connecting frame 4 and is provided with a conveyor roller 6 inward. By starting the first driving motor 5, the conveyor roller 6 can be driven to rotate, so as to stably convey the synthetic leather. At the same time, a corresponding winding structure or a flat laying platform is provided at the other end to ensure the placement operation after surface treatment;

[0027] Above the top plate 1, a second driving motor 12 is fixedly connected. The output end of the second driving motor 12 penetrates through the connecting frame 4 and is provided with a lead screw 19 inward. A threaded block 18 is threadedly connected to the lead screw 19. A slot 17 is opened on the connecting frame 4. The threaded block 18 penetrates through the slot 17 and is rotatably connected to a guiding roller 11 inward. The water-based PU synthetic leather to be subjected to surface spraying treatment is sequentially passed through the middle parts of two conveying rollers 6 and the guiding roller 11. The distance between the two rollers is adjusted according to the thickness of the water-based PU synthetic leather. Starting the second driving motor 12 can drive the lead screw 19 to rotate. Under the action of threaded connection, the threaded block 18 can drive the guiding roller 11 to perform lifting adjustment, so as to adjust the distance between the two rollers, ensuring that the synthetic leather is always in a flat state, thus realizing the advantage of preventing the synthetic leather from wrinkling;

[0028] Above the top plate 1, a paint box 10 is provided. In the middle of the upper part of the paint box 10, a filling port 9 penetrates through. Through the filling port 9, paint can be filled into the interior of the paint box 10. The paint box 10 penetrates through the top plate 1 and is provided with a liquid storage plate 16 downward. A plurality of spray heads 15 are opened below the liquid storage plate 16. The liquid storage plate 16 and the paint box 10 are connected by a pipe body, and a pump body is provided on the pipe body, which can transport the paint inside the paint box 10 to the spray heads 15 for spraying;

[0029] At the other end above the top plate 1, a heating box 13 is fixedly connected. One end of the heating box 13 is provided with an air inlet pipe 14 penetrating through. The interior of the heating box 13 includes an air inlet component and a heating component. The air inlet component can send the outside air into the interior of the heating box 13, and after being heated by the heating component, hot air can be formed. Through the air inlet pipe 14, the hot air can be sent into the connecting box 18 and the heating plate 7;

[0030] The other end of the air inlet pipe 14 is provided with a connecting box 8 penetrating through, and the connecting box 8 is fixedly installed on the support column 2. A heating plate 7 is opened at the outer end of the connecting box 8. An air outlet head is arranged below the heating plate 7, which can spray the hot air downward to dry the synthetic leather and accelerate its curing effect;

[0031] An installation slot 20 is opened inside the heating box 13. A filter plate 22 is correspondingly arranged inside the installation slot 20. Both ends of the filter plate 22 are fixedly connected with limit blocks 21. Limit slots 24 are opened at both ends of the installation slot 20. Screw holes 23 are opened inside both the limit blocks 21 and the limit slots 24. By setting the filter plate 22, the dust in the air can be filtered, and under the action of the limit blocks 21 and the limit slots 24, it is convenient for the staff to disassemble and install it, improving the use effect of the filter plate 22.

[0032] Working principle: When this device is in use, first, the water-based PU synthetic leather that needs to be surface-sprayed is sequentially passed through the middle parts of two conveying rollers 6 and a guiding roller 11. The distance between the two rollers is adjusted according to the thickness of the water-based PU synthetic leather. Starting the second driving motor 12 can drive the lead screw 19 to rotate. Under the action of threaded connection, the threaded block 18 can drive the guiding roller 11 to perform lifting adjustment, so as to adjust the distance between the two rollers, ensuring that the synthetic leather is always in a flat state, thus realizing the advantage of preventing the synthetic leather from wrinkling. Then, starting the first driving motor 5 can stably convey the synthetic leather. Next, starting the pump body at one end of the pigment box 10 can convey the pigment into the nozzle 15 to spray the synthetic leather, so as to achieve the effect of surface treatment. After spraying, starting the heating box 13, the fan assembly and the heating assembly inside can heat the air. The hot air can enter the heating plate 7 through the air inlet pipe 14, and the air outlet head below the heating plate 7 sprays out to heat and dry the sprayed synthetic leather, thereby effectively improving the efficiency of the entire synthetic leather surface treatment.

[0033] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can be made without departing from the gist of the present invention.

Claims

1. A surface treatment device for water-based PU synthetic leather, comprising a base (3), characterized in that: The four upper ends of the base (3) are fixedly connected to support columns (2), the upper ends of the support columns (2) are fixedly connected to a top plate (1), the top plate (1) and the inner ends of the base (3) are fixedly connected to two pairs of connecting frames (4), the outer ends of the connecting frames (4) are fixedly connected to a first drive motor (5), and the output end of the first drive motor (5) passes through the connecting frame (4) and is provided with a conveying roller (6) inwardly; A second drive motor (12) is fixedly connected above the top plate (1), and an output end of the second drive motor (12) passes through the connecting frame (4) and is provided with a lead screw (19) inwardly, and a threaded block (18) is threadedly connected to the lead screw (19).

2. The surface treatment device for water-based PU synthetic leather according to claim 1, characterized in that: The connecting frame (4) is provided with a slot (17), and the threaded block (18) penetrates the slot (17) and is rotatably connected inwardly to a guide roller (11).

3. The surface treatment device for water-based PU synthetic leather according to claim 1, characterized in that: A paint box (10) is arranged above the top plate (1), and a filling port (9) is arranged through the middle of the upper part of the paint box (10).

4. The surface treatment device for water-based PU synthetic leather according to claim 3, characterized in that: The paint box (10) penetrates the top plate (1) and is provided with a liquid storage plate (16) downwardly, and a plurality of spray heads (15) are provided below the liquid storage plate (16).

5. The surface treatment device for water-based PU synthetic leather according to claim 1, characterized in that: The other end above the top plate (1) is fixedly connected to a heating box (13), and an air inlet pipe (14) is provided through one end of the heating box (13).

6. The surface treatment device for water-based PU synthetic leather according to claim 5, characterized in that: A connection box (8) is provided through the other end of the air inlet pipe (14), and the connection box (8) is fixedly mounted on the support column (2). A heating plate (7) is provided at the outer end of the connection box (8).

7. The surface treatment device for water-based PU synthetic leather according to claim 5, characterized in that: The heating box (13) is provided with a mounting groove (20) inside, and a filter plate (22) is correspondingly arranged inside the mounting groove (20).

8. The surface treatment device for water-based PU synthetic leather according to claim 7, characterized in that: The two ends of the filter plate (22) are fixedly connected to the limiting blocks (21), the two ends of the installation groove (20) are provided with limiting grooves (24), and the limiting blocks (21) and the limiting grooves (24) are both provided with screw holes (23) inside.

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