Leather embossing production line with front heating function
By adding an oven to the leather embossing production line, uniform heating of the leather surface is achieved, and the quality problems caused by tension after high temperature heating are solved, and the quality and consistency of the product are improved.
Patent Information
- Application Number
- CN202420503294.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-03-14
AI Technical Summary
In the leather embossing production line, the leather becomes soft after heating at high temperature, but during the winding process, the length direction is lengthened and the width direction is stretched, resulting in product quality problems.
A leather embossing production line with preheating was designed, and an oven was added, which was located between the unrolling roller and the preheating drum. The surface of the leather was heated evenly through the oven, reducing the tension of the leather at the preheating drum.
By uniformly increasing the temperature and reducing the leather tension, the problem of the leather being stretched in the length direction and the width direction is avoided, and the quality and consistency of the product are improved.
Smart Images

Figure CN222613361U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of leather production and processing, in particular to a leather embossing production line with preheating. Background Art
[0002] Before embossing, the leather needs to be heated to an appropriate temperature and the pattern can be embossed on its surface by the embossing roller. At present, the leather on the leather embossing line is preheated by the roller after coming out of the unwinding roller. The temperature of the preheating roller is between 100 and 150°C, and then heated by the heating lamp tube at a temperature of 180 to 200°C. It was found during the processing that the leather becomes softer and more elastic after being heated at high temperature. Under the traction of the winding roller, the leather on the unwinding roller is tightly wound, resulting in the leather at the preheating roller being stretched in the length direction, while the width direction becomes narrower after being stretched, resulting in product quality problems. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a leather embossing production line with preheating in view of the deficiencies of the above-mentioned prior art.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0005] A leather embossing production line with pre-heating comprises an unwinding roller, a preheating roller, a heating lamp tube, an embossing roller, a cooling roller and a winding roller, an oven is arranged between the unwinding roller and the preheating roller, a leather inlet is arranged on the side of the oven close to the unwinding roller, and a leather outlet is arranged on the side of the oven close to the preheating roller, multiple groups of fixed rollers and movable rollers are installed above and below the oven, the fixed roller is installed in the oven through a fixed roller bearing seat, a guide column is arranged below the oven, a slide seat is connected to the guide column, both sides of the movable roller are connected to the slide seat through the movable roller bearing seat, a heating pipe is installed at the bottom of the oven, and the heating pipe heats the oven.
[0006] Furthermore, a connecting seat 1 and a connecting seat 2 are arranged below the oven, and a guide column is fixed between the connecting seat 1 and the connecting seat 2.
[0007] Furthermore, a mounting hole is machined in the slide seat, and linear bearings are installed at the upper and lower ends of the mounting hole. The slide seat is connected to the guide column through the linear bearings, and an oil storage cavity is arranged between the linear bearings, and an oil filling hole is machined on the side of the oil storage cavity.
[0008] Furthermore, a plush pad and a cover plate are installed on the surface of the linear bearing, and the cover plate presses the plush pad and the oil filling hole.
[0009] Furthermore, a temperature sensor is installed on the top of the oven.
[0010] Furthermore, a hatch is provided on the side of the oven.
[0011] Compared with the prior art, the utility model is a leather embossing production line with pre-heating. After adding an oven, on the one hand, the entire heating process of the leather surface is made more uniform, which is conducive to embossing molding. On the other hand, the oven plays a role of storing materials, reducing the surface tension of the leather between the preheating roller and the unwinding roller, and avoiding quality problems caused by excessive stretching of the leather. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 It is a schematic diagram of the structure inside the oven of the utility model;
[0014] Figure 3 This is a structural schematic diagram of the installation of the slide seat of the utility model;
[0015] Figure 4 yes Figure 3 The enlarged view of point A in the middle;
[0016] Among them, 1. unwinding roller, 2. preheating roller, 3. heating lamp tube, 4. embossing roller, 5. cooling roller, 6. winding roller, 7. oven, 8. leather inlet, 9. leather outlet, 10. fixed roller, 11. movable roller, 12. connecting seat 1, 13. connecting seat 2, 14. guide column, 15. sliding seat, 16. linear bearing, 17. oil storage chamber, 18. oil filling hole, 19. plush pad, 20. cover plate, 21. heating tube, 22. temperature sensor, 23. hatch. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present utility model will be described clearly and completely below.
[0018] like Figure 1 to Figure 4 As shown, a leather embossing production line with pre-heating includes a unwinding roller 1, a preheating roller 2, a heating lamp 3, an embossing roller 4, a cooling roller 5 and a winding roller 6. An oven 7 is arranged between the unwinding roller 1 and the preheating roller 2. A leather inlet 8 is arranged on the side of the oven 7 close to the unwinding roller 1, and a leather outlet 9 is arranged on the side of the oven 7 close to the preheating roller 2. Multiple groups of fixed rollers 10 and movable rollers 11 are installed on the top and bottom of the oven 7. After the leather enters the oven 7 from the leather inlet 8, it is wound around the fixed rollers 10 and the movable rollers 11 in sequence, and then leaves the oven 7 from the leather outlet 9. In this way, after the leather is unwound, the tension is reduced to avoid stretching and deformation of the leather.
[0019] Among them, fixed roller bearing seats are arranged on both sides above the oven 7, and the fixed roller is installed in the oven 7 through the fixed roller bearing seats. A connecting seat 12 and a connecting seat 2 13 are arranged below the oven 7. A guide column 14 is connected between the connecting seat 1 and the connecting seat 2, and a slide seat 15 is connected to the guide column 14. An active roller bearing seat is installed on the side of the slide seat 15. Both sides of the active roller 11 are connected to the slide seat 15 through the active roller bearing seats. A mounting hole is processed in the slide seat 15, and linear bearings 16 are installed at the upper and lower ends of the mounting hole. The slide seat 15 is connected to the guide column 14 through the linear bearing 16 to reduce friction resistance. An oil storage cavity 17 is arranged between the linear bearings 16. Lubricating oil is stored in the oil storage cavity 17 to lubricate the surface of the guide column 14. An oil filling hole 18 is processed on the side of the oil storage cavity 17. The oil filling hole 18 includes a vertical oil filling hole and a horizontal oil filling hole. The vertical oil filling hole is connected to the outside of the slide seat 15, and the horizontal oil filling hole connects the vertical oil filling hole with the oil storage cavity 17.
[0020] The surface of the linear bearing 16 is installed with a plush pad 19 and a cover plate 20, wherein the plush pad 19 can absorb lubricating oil to reduce leakage, and the cover plate 20 presses the plush pad 19 and the oil filling hole 18. When oil filling is needed, the cover plate 20 is removed and the lubricating oil can be added to the oil storage chamber through the oil filling hole 18.
[0021] A heating tube 21 is installed at the bottom of the oven 7 to heat the oven 7. A temperature sensor 22 is installed at the top of the oven 7. With the cooperation of the temperature sensor 22, the internal temperature of the oven 7 is controlled at 40-50°C, so that the leather is heated evenly during the processing, avoiding surface quality problems caused by the leather directly contacting the preheating roller with too high temperature.
[0022] The side of the oven 7 is provided with a hatch 23, and after opening the hatch 23, the inside of the oven 7 can be inspected.
[0023] The present invention is not limited to the described embodiments. Those skilled in the art may make some modifications or changes without departing from the spirit and scope of the present invention, that is, the scope of disclosure. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.
Claims
1. A leather embossing production line with preheating, comprising an unwinding roller, a preheating roller, a heating lamp tube, an embossing roller, a cooling roller and a winding roller, characterized in that: An oven is arranged between the unwinding roller and the preheating roller, a leather inlet is arranged on the side of the oven close to the unwinding roller, and a leather outlet is arranged on the side of the oven close to the preheating roller. Multiple groups of fixed rollers and movable rollers are installed above and below the oven. The fixed rollers are installed in the oven through fixed roller bearing seats. Guide columns are arranged below the oven, and slide seats are connected to the guide columns. Both sides of the movable rollers are connected to the slide seats through movable roller bearing seats. A heating pipe is installed at the bottom of the oven, and the heating pipe heats the oven.
2. The leather embossing production line with preheating according to claim 1, characterized in that: A connecting seat 1 and a connecting seat 2 are arranged below the oven, and a guide column is fixed between the connecting seat 1 and the connecting seat 2.
3. The leather embossing production line with preheating according to claim 1, characterized in that: A mounting hole is machined in the slide seat, and linear bearings are installed at the upper and lower ends of the mounting hole. The slide seat is connected to the guide column through the linear bearings. An oil storage cavity is arranged between the linear bearings, and an oil filling hole is machined on the side of the oil storage cavity.
4. The leather embossing production line with preheating according to claim 3, characterized in that: A plush pad and a cover plate are installed on the surface of the linear bearing, and the cover plate presses the plush pad and the oil injection hole.
5. The leather embossing production line with preheating according to claim 1, characterized in that: A temperature sensor is installed on the top of the oven.
6. The leather embossing production line with preheating according to claim 1, characterized in that: A hatch is provided on the side of the oven.