Dry production line for PU synthetic leather

By introducing a drying mechanism and cooling wheel in the PU synthetic leather drying production line, the problem of uneven coating of raw materials on the base cloth is solved, and efficient production of PU synthetic leather and stability improvement of product quality is achieved.

CN223128434UActive Publication Date: 2025-07-22FUJIAN ZHONGTIAN LEATHER CO LTD
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Patent Information

Application Number
CN202422084500.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-07-22
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The raw materials on the base cloth in the existing PU synthetic leather dry production line are unevenly applied, resulting in lower production quality.

Method used

The drying mechanism and the cooling wheel are used to ensure the full integration of raw materials and base cloth, and uniform coating is achieved through the coordination of the material cylinder and raw material trough, improving the efficiency of base cloth coating and product stability.

Benefits of technology

It improves the production quality stability and product uniformity of PU synthetic leather, and solves the quality problems caused by uneven raw materials application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PU synthetic leather dry method production line, relates to the PU synthetic leather dry method production line technical field, and comprises a base plate, the periphery of the upper end of the base plate is fixedly connected with support columns in the vertical direction, the upper end of the support column on one side of the base plate is hinged with a fixed plate, and a clamping hole is arranged between the fixed plate and the support column. The fixing plates and the supporting columns are fixed through bolts, positioning rods are installed between the clamping holes, and driving grooves are formed in the two sides of each positioning rod. The drying mechanism and the cooling wheel are matched with each other, so that raw materials and base cloth are conveniently fused, the stability of the production quality of the PU synthetic leather is improved, the function of excellent production quality of the PU synthetic leather is further realized, the raw material tank and the spreading barrel are matched with each other, the spreading barrel is conveniently and uniformly smeared on the raw material tank, and the production efficiency of the PU synthetic leather is improved. The raw material coating efficiency of the base cloth is improved, then the function of flatly spreading the PU synthetic leather is achieved, and finally the problem that the quality of the PU synthetic leather is low due to the fact that raw materials are not evenly coated is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of dry production lines for PU synthetic leather, and particularly relates to a dry production line for PU synthetic leather. Background Art

[0002] Early dry production lines for PU synthetic leather mainly relied on basic mechanical equipment and processes, with relatively low production efficiency and room for improvement in the stability of product quality. With the introduction of automation technology, the degree of automation of the production line has gradually increased, reducing manual operations and enhancing the stability of production efficiency and product quality. In recent years, with the strengthening of environmental protection regulations and the improvement of energy conservation awareness, the production line has begun to focus on the use of environmentally friendly materials and energy-saving designs to reduce energy consumption during production and waste emissions. The composition structure of a dry production line for PU synthetic leather includes a raw material area, a coating area, a drying area, a cooling area, a storage area, etc. During the use of an existing dry production line for PU synthetic leather, due to uneven application of raw materials on the base fabric, the quality of the produced PU synthetic leather is relatively low. Therefore, it is necessary to solve and handle the above technical problems. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the deficiencies existing in the prior art and to propose a dry production line for PU synthetic leather.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: A dry production line for PU synthetic leather includes a bottom plate. Vertically fixed columns are fixedly connected to the four sides of the upper end of the bottom plate. One of the fixed columns on the side of the bottom plate is hinged to a fixing plate at the upper end. Clamping holes are provided between the fixing plate and the fixed columns, and the fixing plate and the fixed columns are fixed by bolts. Positioning rods are installed between the clamping holes. Driving grooves are provided on both sides of the positioning rods, and driving shafts are sleeved inside the driving grooves. The other ends of the driving shafts are connected to feeding motors.

[0005] Preferably, the feeding motor is installed on a fixed column, and one side of the fixed column is fixedly connected to the outer wall of one side of the fixed column.

[0006] Preferably, a fixing rod is installed at the rear of the fixed column. A guiding rod is installed between the upper ends of the fixing rods, and a spreading mechanism is installed at the rear of the fixing rod.

[0007] Preferably, the spreading mechanism includes a raw material tank, a spreading cylinder, and a base fabric inlet. The base fabric inlet is penetrated and opened on one side of the spreading mechanism. Fixing rods are installed at both the upper and lower ends of the base fabric inlet. A raw material tank is opened at the upper end of the spreading mechanism. A spreading cylinder is installed on one side of the raw material tank. The lower end of the spreading cylinder penetrates the spreading mechanism and is located above the base fabric tank.

[0008] Preferably, a drying mechanism is installed at the rear side of the material spreading mechanism. A drying opening is formed in the middle of the drying mechanism, and the drying opening penetrates through the drying mechanism. Partition plates are installed at both the upper and lower ends inside the drying mechanism. Heating pipes are installed on the inner sides of both partition plates, and a plurality of heating holes are equidistantly formed in the partition plates.

[0009] Preferably, a plurality of vertical support plates are equidistantly arranged on both sides at the rear end of the drying mechanism. A cooling wheel is installed between the upper ends of the support plates, and a coolant connection pipe is formed on one side of the cooling wheel.

[0010] Preferably, a winding mechanism is arranged at the rear side of the cooling wheel. A winding motor is installed on one side of the winding mechanism, and the winding motor is clamped on one side of a winding rod through a fixing column.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: In the present utility model, through the mutual cooperation of the drying mechanism and the cooling wheel, it is convenient for the raw material and the base fabric to be fused with each other, improving the stability of the quality of the produced PU synthetic leather, and further realizing the function of excellent quality of the produced PU synthetic leather. Moreover, through the mutual cooperation of the raw material tank and the material spreading cylinder, it is convenient for the material spreading cylinder to evenly apply on the raw material tank, improving the efficiency of applying the raw material on the base fabric, and further realizing the function of smooth material spreading of the PU synthetic leather. Finally, the problem of low quality of the produced PU synthetic leather caused by uneven application of the raw material is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0013] Figure 1 is a schematic three-dimensional overall structure diagram of the present utility model;

[0014] Figure 2 is a schematic three-dimensional overall structure diagram of the other side of the present utility model;

[0015] Figure 3 is a schematic bottom view of the present utility model;

[0016] Figure 4 is a schematic side view structure diagram of the present utility model;

[0017] Figure 5 is a schematic top view sectional structure diagram of the heating mechanism of the present utility model.

[0018] Reference numerals in the figure: 1. Feeding motor; 2. Fixed plate; 3. Support column; 4. Fixed column; 5. Guide rod; 6. Raw material tank; 7. Spreading cylinder; 8. Drying port; 9. Cooling wheel; 10. Rewinding motor; 11. Support plate; 12. Coolant connection pipe; 13. Bottom plate; 14. Baffle; 15. Heating hole; 16. Heating pipe. Detailed implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] Embodiment: Refer to Figures 1-5 , a dry production line for PU synthetic leather in the present invention includes a bottom plate 13. Support columns 3 are vertically and fixedly connected to the upper ends of the four sides of the bottom plate 13. One end of the support column 3 on one side of the bottom plate 13 is hinged to a fixed plate 2. Clamping holes are provided between the fixed plate 2 and the support column 3, and the fixed plate 2 and the support column 3 are fixed by bolts. Positioning rods are installed between the clamping holes. Driving grooves are provided on both sides of the positioning rod, and driving shafts are sleeved inside the driving grooves. The other ends of the driving shafts are connected to a feeding motor 1. By means of the bolts between the fixed column 2 and the support column 3, it is convenient to fix the positioning rod and facilitate the supply of the base fabric into the device; the feeding motor 1 is installed on the fixed column 4, and one side of the fixed column 4 is fixedly connected to the outer wall of one side of the support column 3. By means of the fixed column 4 under the feeding motor 1, it is convenient to fix the feeding motor 1; a fixed rod is installed at the rear of the support column 3, a guide rod 5 is installed between the upper ends of the fixed rods, and a spreading mechanism is installed at the rear of the fixed rod. By means of the guide rod 5 between the upper ends of the fixed rods, it is convenient to turn the base fabric so that the base fabric is in the same horizontal position as the production line.

[0021] In the present utility model, the material spreading mechanism includes a raw material tank 6, a material spreading cylinder 7, and a base fabric inlet. The base fabric inlet is penetrated and opened on one side of the material spreading mechanism, and fixed rods are installed at both the upper and lower ends of the base fabric inlet. The raw material tank 6 is opened at the upper end of the material spreading mechanism. A material spreading cylinder 7 is installed on one side of the raw material tank 6. The lower end of the material spreading cylinder 7 penetrates the material spreading mechanism and is placed above the base fabric tank. Through the material spreading cylinder 7 and the raw material tank 6, it is convenient to evenly apply the raw material on the base fabric. A drying mechanism is installed at the rear of the material spreading mechanism. A drying opening 8 is opened in the middle of the drying mechanism. The drying opening 8 penetrates the drying mechanism. Partition plates 14 are installed at both the upper and lower ends inside the drying mechanism. Heating tubes 16 are installed on the inner sides of both partition plates 14, and a plurality of heating holes 15 are equidistantly opened on the partition plates 14. Through the heating holes 15 at the upper end of the partition plate 14 and the heating tubes 16 inside, it is convenient for the raw material and the base fabric to be fully adhered. A plurality of vertical support plates 11 are equidistantly arranged on both sides at the rear end of the drying mechanism. A cooling wheel 9 is installed between the upper ends of the support plates 11. A coolant connection pipe 12 is opened on one side of the cooling wheel 9. Through the cooling connection pipe 12 on one side of the cooling wheel 9, it is convenient to add different cooling media to the inside of the cooling wheel 9. The rear side of the cooling wheel 9 is a winding mechanism. A winding motor 10 is installed on one side of the winding mechanism. The winding motor 10 is clamped to one side of the winding rod through a fixed column 4. Through the mutual clamping of the winding motor 10 and the winding rod, it is convenient to wind the produced PU synthetic leather.

[0022] Working principle: When the present utility model is in use, first, through the support columns 3 and the fixing plate 2 on the bottom plate 13, it is convenient to fix the positioning rod. Then, through the feeding motor 1 at the upper end of the fixed column 4, it is convenient to provide rotational power for the positioning rod, drive the positioning rod to rotate, and continuously supply the base fabric to the production line. Then, through the guide rod 5 between the fixed rods, it is convenient to ensure that the base fabric and the production line are in the same horizontal position. Then, through the raw material tank 6 and the material spreading cylinder 7 at the upper end of the base fabric inlet, it is convenient to evenly apply the raw material on the base fabric. Then, through the heating tube 16 inside the partition plate 14 inside the drying opening 8, it is convenient to make the bonding between the base material and the raw material more sufficient. Then, through the heating holes 15 between the partition plates 14 on both sides of the drying mechanism, it is convenient to improve the heating efficiency. Then, through the cooling wheel 9 and the coolant connection pipe 12 between the support plates 11, it is convenient to cool the base fabric and the raw material after drying and fusion. Then, through the winding motor 10 and the winding rod, it is convenient to wind the produced PU synthetic leather.

[0023] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A dry production line for PU synthetic leather, comprising a bottom plate (13), characterized in that: On the upper end of the bottom plate (13), support columns (3) are vertically and fixedly connected to all four sides in the circumferential direction. On the upper end of one of the support columns (3) on one side of the bottom plate (13), a fixing plate (2) is hinged. Clamping holes are opened between the fixing plate (2) and the support column (3), and the fixing plate (2) and the support column (3) are fixed by bolts. A positioning rod is installed between the clamping holes. Driving grooves are opened on both sides of the positioning rod, and a driving shaft is sleeved inside the driving grooves. The other end of the driving shaft is connected to a feeding motor (1).

2. The dry production line of a kind of PU synthetic leather according to claim 1, characterized in that: The feeding motor (1) is installed on a fixed column (4), and one side of the fixed column (4) is fixedly connected to the outer wall of one side of the support column (3).

3. The dry production line of a PU synthetic leather according to claim 2, characterized in that: A fixed rod is installed at the rear of the support column (3). A guide rod (5) is installed between the upper ends of the fixed rods, and a spreading mechanism is installed at the rear of the fixed rod.

4. The dry production line of a PU synthetic leather according to claim 3, characterized in that: The spreading mechanism includes a raw material tank (6), a spreading cylinder (7), and a base fabric inlet. The base fabric inlet is vertically and penetratingly opened on one side of the spreading mechanism. Fixed rods are installed at both the upper and lower ends of the base fabric inlet. A raw material tank (6) is opened at the upper end of the spreading mechanism. A spreading cylinder (7) is installed on one side of the raw material tank (6). The lower end of the spreading cylinder (7) penetrates the spreading mechanism and is located above the base fabric tank.

5. The dry production line of a PU synthetic leather according to claim 4, wherein: A drying mechanism is installed at the rear of the spreading mechanism. A drying opening (8) is opened in the middle of the drying mechanism. The drying opening (8) penetrates the drying mechanism. Partition plates (14) are installed at both the upper and lower ends inside the drying mechanism. Heating tubes (16) are installed on the inner sides of both partition plates (14), and a plurality of heating holes (15) are equidistantly opened on the partition plates (14).

6. The dry production line of a PU synthetic leather according to claim 5, characterized in that: A plurality of vertical support plates (11) are equidistantly arranged on both sides at the rear end of the drying mechanism. A cooling wheel (9) is installed between the upper ends of the support plates (11). A coolant connection pipe (12) is opened on one side of the cooling wheel (9).

7. A dry production line for PU synthetic leather according to claim 6, characterized in that: A winding mechanism is located at the rear of the cooling wheel (9). A winding motor (10) is installed on one side of the winding mechanism. The winding motor (10) is clamped to one side of the winding rod through a fixed column (4).