Safety shoe leather raw material retanning machine

By setting up a conduit and a collection box in the retanning machine, and using the cooperation of the servo motor and hydraulic push rod, the problem of waste of tanning agents is solved, and utilization rate is improved and production costs are saved.

CN222631466UActive Publication Date: 2025-03-18JIANGXI HENGSHENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420746055.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-11
Publication Date
2025-03-18
Estimated Expiration
2034-04-11

AI Technical Summary

Technical Problem

During the retanning process, unused tanning agents are discharged along with the leather, resulting in waste and increased production costs.

Method used

Design a leather raw material retanning machine for labor-protecting shoes. By setting up a conduit and a collection box, and setting the opposite position of the conduit and the conduit and the conduit port on the drum, the leather is removed before exporting the tanning agent out of the collection box to avoid wasting the tanning agent.

Benefits of technology

有效防止鞣制剂随皮革一起排出,提高鞣制剂的利用率,节约生产成本,并通过过滤纱网在收集箱中过滤杂质,实现鞣制剂的再次回收利用。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a safety shoe leather raw material retanning machine which comprises a supporting plate, a servo motor is arranged on one side of the upper portion of the supporting plate, the output end of the servo motor is connected with a transmission gear, one side of the upper portion of the transmission gear abuts against a fluted disc, one side of the fluted disc is fixedly connected with one end of a roller, a material guiding opening is formed in the upper portion of the roller, and the other end of the roller is fixedly connected with the transmission gear. A sealing plate is arranged on the material guiding opening, a liquid guiding pipe is arranged below the roller, a hydraulic push rod is arranged on one side of the roller, the output end of the hydraulic push rod is connected with a rotating connector, and one side of the rotating connector is fixedly connected with a connecting rod. The liquid guide pipe and the collecting box are arranged, the position of the liquid guide pipe on the roller is opposite to the position of the material guide opening on the roller, before leather is taken out, a tanning agent in the roller can be guided out and collected through the liquid guide pipe, then the leather is taken out, and therefore the tanning agent can be prevented from being discharged and wasted along with the leather at the same time; the utilization rate of the tanning agent is improved and the production cost is saved.
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Description

Technical Field

[0001] The utility model relates to a retanning machine for raw materials of labor protection shoes leather, belonging to the technical field of retanning equipment. Background Art

[0002] Retanning is an important process in making light leather. It is a supplementary tanning process after the main tanning to improve the performance of the leather or facilitate the needs of the next processing. The tanning agent used in retanning depends on the performance requirements of the leather. It can be the same as the main tanning agent or other tanning agents. Appropriate retanning can give upper leather and clothing leather good properties, such as improving softness, increasing fullness, reducing position differences, changing the surface charge of the leather, and promoting uniform dyeing.

[0003] When the drum discharges the tanned leather, the tanning agent in the drum will also be discharged through the discharge port, so that the unused tanning agent is discharged and wasted, thereby increasing the tanning cost of the leather. Utility Model Content

[0004] The utility model aims to provide a retanning machine for leather raw materials for labor protection shoes. By arranging a liquid guide tube and a collecting box, and the position of the liquid guide tube on the drum is opposite to the position of the material guide port on the drum, before taking out the leather, the tanning agent in the drum can be first guided out and collected through the liquid guide tube, and then the leather can be taken out, thereby preventing the tanning agent from being discharged and wasted along with the leather, improving the utilization rate of the tanning agent, saving production costs, and solving the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A labor protection shoe leather raw material retanning machine comprises a support plate, a servo motor is provided on one side above the support plate, a transmission gear is connected to the output end of the servo motor, the transmission gear abuts against a toothed disc on one side above the transmission gear, one side of the toothed disc is fixedly connected to one end of a drum, a material guide port is provided above the drum, a sealing plate is provided on the material guide port, a liquid guide pipe is provided below the drum, a hydraulic push rod is provided on one side of the drum, a rotary joint is connected to the output end of the hydraulic push rod, one side of the rotary joint is fixedly connected to a connecting rod, and one end of the connecting rod is fixedly connected to a push plate.

[0007] Furthermore, connecting shafts are provided at both ends of the drum, and the connecting shafts penetrate through the toothed disc and the support plate.

[0008] Furthermore, a solenoid valve is provided on the liquid guiding tube, a collecting box is provided below the liquid guiding tube, and a filter mesh is provided inside the collecting box.

[0009] Furthermore, a recovery pipe is connected to the lower part of the collecting box, a water pump is connected to the recovery pipe, the recovery pipe passes through the connecting shaft and extends to the inside of the drum, and the drum and the gear plate are rotatably connected outside the connecting shaft.

[0010] Furthermore, the connecting rod passes through the interior of the connecting shaft, and the connecting rod is rotatably connected inside the connecting shaft.

[0011] Furthermore, a plurality of tanning rods are provided inside the drum, the push plate is circular, and a plurality of scrapers are provided around the edge of the push plate, one end of the scraper contacts the inner wall of the drum and is slidably connected to the inner wall of the drum, and the scraper is provided between adjacent tanning rods.

[0012] The beneficial effects of the utility model are:

[0013] By setting a liquid guide tube and a collection box, and the position of the liquid guide tube on the drum is opposite to the position of the material guide port on the drum, before taking out the leather, the liquid guide tube can be driven to rotate to the top of the collection box by the servo motor, transmission gear and toothed disc, and the solenoid valve is opened to allow the liquid guide tube to guide and collect the tanning agent in the drum, and then the servo motor is started to rotate the material guide port to an angle position convenient for discharge, and then the leather is taken out, thereby preventing the tanning agent from being discharged and wasted along with the leather. At the same time, a filter mesh is provided in the collection box, and the filter mesh can filter impurities in the tanning agent entering the collection box, and then the filtered tanning agent is reintroduced into the drum, thereby improving the utilization rate of the tanning agent and saving production costs.

[0014] By arranging a push plate in the drum, the push plate can move in the drum driven by the hydraulic push rod, so that the push plate can push and squeeze the leather in the drum to the other side, reducing the residual tanning agent in the leather. At the same time, the push plate can also push the leather to a position closer to the material guide port, thereby facilitating the unloading of the leather. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0016] Figure 1 This is a front view of a retanning machine for leather raw materials for labor protection shoes of the utility model;

[0017] Figure 2 This is a cross-sectional view of a labor protection shoe leather raw material retanning machine of the utility model;

[0018] Figure 3 This is a schematic diagram of the position of a scraper in a drum of a labor protection shoe leather raw material retanning machine of the utility model;

[0019] Figure 4 The utility model is a kind of labor protection shoe leather raw material retanning machine Figure 2 A partial enlarged view of the area at center A;

[0020] Numbers in the figure: 1. Support plate; 2. Servo motor; 3. Transmission gear; 4. Toothed disc; 5. Roller; 6. Material guide port; 7. Sealing plate; 8. Liquid guide tube; 9. Hydraulic push rod; 10. Rotary joint; 11. Connecting rod; 12. Push plate; 13. Connecting shaft; 14. Solenoid valve; 15. Collecting box; 16. Filter screen; 17. Recovery pipe; 18. Water pump; 19. Tanning rod; 20. Scraper. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1: Please refer to Figure 1-Figure 4 , the utility model provides a technical solution:

[0023] A labor protection shoe leather raw material retanning machine comprises a support plate 1, a servo motor 2 is provided on one side above the support plate 1, a transmission gear 3 is connected to the output end of the servo motor 2, the transmission gear 3 is in contact with a toothed disc 4 on one side above the transmission gear 3, one side of the toothed disc 4 is fixedly connected to one end of a drum 5, a material guide port 6 is provided above the drum 5, a sealing plate 7 is provided on the material guide port 6, a liquid guide tube 8 is provided below the drum 5, a hydraulic push rod 9 is provided on one side of the drum 5, a rotary joint 10 is connected to the output end of the hydraulic push rod 9, one side of the rotary joint 10 is fixedly connected to a connecting rod 11, and one end of the connecting rod 11 is fixedly connected to a push plate 12.

[0024] Specifically, connecting shafts 13 are provided at both ends of the drum 5, and the connecting shaft 13 passes through the toothed disc 4 and the support plate 1. A solenoid valve 14 is provided on the liquid guide tube 8, and a collecting box 15 is provided below the liquid guide tube 8. A filter mesh 16 is provided inside the collecting box 15. A recovery pipe 17 is connected to the bottom of the collecting box 15, and a water pump 18 is connected to the recovery pipe 17. The recovery pipe 17 passes through the connecting shaft 13 above and extends to the inside of the drum 5. The drum 5 and the toothed disc 4 are rotatably connected outside the connecting shaft 13. The collecting box 15 can collect and filter the tanning agent guided out of the liquid guide tube 8, so as to facilitate the recycling of the tanning agent.

[0025] Example 2: Please refer to Figure 2 , Figure 3 The difference between this embodiment and embodiment 1 is that: the connecting rod 11 passes through the inside of the connecting shaft 13, the connecting rod 11 is rotatably connected inside the connecting shaft 13, a plurality of tanning rods 19 are provided inside the drum 5, the push plate 12 is circular, and a plurality of scrapers 20 are provided around the edge of the push plate 12, one end of the scraper 20 is in contact with the inner wall of the drum 5 and is slidably connected on the inner wall of the drum 5, the scraper 20 is provided between adjacent tanning rods 19, the push plate 12 can move in the drum 5 driven by the hydraulic push rod 9, so that the push plate 12 can push and squeeze the leather in the drum 5 to the other side, thereby reducing the residual tanning agent in the leather. At the same time, the push plate 12 can also push the leather to a position closer to the material guide port 6, thereby facilitating the unloading of the leather.

[0026] The working principle of the utility model is as follows: when in use, the servo motor 2, the transmission gear 3 and the toothed disc 4 are used to drive the liquid guide tube 8 to rotate to the top of the collection box 15, and then the hydraulic push rod 9 is started. The hydraulic push rod 9 drives the push plate 12 and the scraper 20 to move forward, thereby driving the leather in the drum 5 to move toward the direction close to the material guide port 6 and the liquid guide tube 8. At the same time, the push plate 12 can push and squeeze the leather in the drum 5 to the other side to reduce the residual tanning agent in the leather. When the solenoid valve 14 is opened, the liquid guide tube 8 can guide the tanning agent in the drum 5 into the collection box 15, and then the servo motor 2 is started to rotate the material guide port 6 to an angle convenient for discharging, and then the leather is taken out, thereby preventing the tanning agent from being discharged and wasted along with the leather.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A labor protection shoe leather raw material retanning machine, comprising a support plate (1), characterized in that: A servo motor (2) is provided on one side above the support plate (1); an output end of the servo motor (2) is connected to a transmission gear (3); an upper side of the transmission gear (3) contacts a toothed disc (4); one side of the toothed disc (4) is fixedly connected to one end of a roller (5); a material guide port (6) is provided above the roller (5); a sealing plate (7) is provided on the material guide port (6); a liquid guide tube (8) is provided below the roller (5); a hydraulic push rod (9) is provided on one side of the roller (5); an output end of the hydraulic push rod (9) is connected to a rotary joint (10); one side of the rotary joint (10) is fixedly connected to a connecting rod (11); one end of the connecting rod (11) is fixedly connected to a push plate (12).

2. A labor protection shoe leather raw material retanning machine according to claim 1, characterized in that: Connecting shafts (13) are provided at both ends of the roller (5), and the connecting shafts (13) penetrate the toothed disc (4) and the interior of the support plate (1).

3. A labor protection shoe leather raw material retanning machine according to claim 2, characterized in that: A solenoid valve (14) is provided on the liquid guiding tube (8), a collecting box (15) is provided below the liquid guiding tube (8), and a filter mesh (16) is provided inside the collecting box (15).

4. A labor protection shoe leather raw material retanning machine according to claim 3, characterized in that: A recovery pipe (17) is connected to the lower part of the collecting box (15), a water pump (18) is connected to the recovery pipe (17), the recovery pipe (17) passes through the connecting shaft (13) at the top and extends to the inside of the drum (5), and the drum (5) and the toothed disc (4) are rotatably connected outside the connecting shaft (13).

5. The retanning machine for raw materials of labor protection shoes leather according to claim 2, characterized in that: The connecting rod (11) passes through the interior of the connecting shaft (13), and the connecting rod (11) is rotatably connected inside the connecting shaft (13).

6. The retanning machine for raw materials of labor protection shoes leather according to claim 1, characterized in that: A plurality of tanning rods (19) are arranged inside the drum (5); the push plate (12) is circular, and a plurality of scrapers (20) are arranged around the edge of the push plate (12); one end of the scraper (20) contacts the inner wall of the drum (5) and is slidably connected to the inner wall of the drum (5); and the scraper (20) is arranged between adjacent tanning rods (19).