Leather unwinding and storing device

By installing a cross-shaped unloading rack and a tension adjustment rack in the leather unwinding and storage device, and using a traction cylinder to drive the lifting plate, the problems of slackness and excessive height of the leather storage device are solved, improving space utilization and facilitating the installation of the drying oven.

CN224076719UActive Publication Date: 2026-04-03NANTONG PEGGS MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Traditional leather storage devices are prone to causing leather to loosen, take up a lot of space, and the excessive height of the storage structure makes it difficult to install the drying box above.

Method used

By setting a cross-shaped leather unloading rack on the unwinding and storage rack, combined with a tension adjustment rack and a lifting plate driven by a traction cylinder, the innovative features of the leather storage device are achieved. The innovative features of the new leather tension adjustment and storage rack are achieved. The innovative features of the new leather storage device are achieved. The innovative features of the new leather storage device are achieved. The innovative features of the new leather storage device are achieved. The innovative features of the new leather unwinding and storage device are achieved.

Benefits of technology

This design solves the problems of loose leather and excessively high storage structure, improves space utilization, and facilitates the installation of the drying oven above.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a leather unwinding and storing device. The leather unwinding and storing device is characterized by comprising a leather unwinding frame, a leather tensioning adjusting frame and a leather storing frame, the cross-shaped leather discharging frame is arranged on the leather unwinding frame, so that discharging of a leather roll is guaranteed, and meanwhile the tensioning degree of leather discharging is guaranteed through a tensioning rod; in addition, a leather tensioning adjusting frame is arranged on one side of the leather unwinding frame to ensure tensioning adjustment of the leather on the leather storage frame during cloth storage; in addition, a traction air cylinder is arranged on the inner side face of the leather storage frame and matched with a traction wheel set to drive the lifting plate to ascend and descend in the vertical direction, the height of the whole leather storage frame is reduced, an oven above the leather storage frame is convenient to install, and the space utilization rate is increased.
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Description

Technical Field

[0001] This utility model relates to the field of leather processing technology, and in particular to a leather unwinding and storage device. Background Technology

[0002] Leather surface treatment machinery is divided into leather embossing machines, leather color-changing machines, leather hot-stamping machines, leather laminating machines, and leather high-consistency machines. Leather is animal hide that has undergone physical and chemical processing such as hair removal and tanning, resulting in a modified, less perishable material. Leather is composed of naturally woven protein fibers in a three-dimensional space, with a special grain layer on its surface, possessing a natural grain and luster, and a comfortable feel. During human evolution, people discovered that the sap of some plants or mineral oils has a certain tanning effect on leather. Soaking the raw hide in these sap enhances its breathability and preservative properties.

[0003] However, traditional leather storage and unwinding devices are prone to leather loosening, and the storage structure's lifting and adjusting mechanism occupies a lot of space, which is not conducive to the installation of the drying chamber above. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a leather unwinding and storage device that can solve the problems of large space occupation, inconvenient tension adjustment, and excessive height of the storage structure which is not conducive to the installation of the drying box structure on the top.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is: a leather unwinding and storage device, the innovation of which is: including a leather unwinding frame, a leather tension adjustment frame and a leather storage frame;

[0006] The leather unwinding rack includes a support base and a leather unloading rack; a bearing seat is provided at the top of the support base; the leather unloading rack has a cross-shaped structure, and the center of the leather unloading rack is mounted on the bearing seat through a slewing bearing; leather rolls are placed on the leather unloading rack.

[0007] The leather tension adjustment frame includes a guide plate, a leather input reversing roller, a leather output reversing roller, a fixed roller, and a tension roller. The guide plate has a pair of parallel sections. A U-shaped guide groove is formed downwards at the center of the upper surface of each guide plate. The leather input reversing roller is located on one side of the guide plate to receive leather output from the leather unwinding frame. The leather output reversing roller is located on the other side of the guide plate to output leather from the leather tension adjustment frame. The fixed roller is installed at the top of the U-shaped guide groove. The tension roller is located within the guide groove and can be vertically adjusted along the U-shaped guide groove to regulate the tension of the leather.

[0008] The leather storage rack includes a storage frame, a lifting plate, a traction cylinder, a traction wheel assembly, and a steel wire rope. The storage frame has a rectangular frame structure, and several fixed shafts are horizontally arranged at equal intervals near the bottom of the storage frame. Guide rails are arranged vertically on the inner sidewall of the storage frame. The lifting plate is located inside the storage frame. The lifting plate has a pair, and guide wheels that cooperate with the guide rails are provided at both ends of the lifting plate. Several movable shafts are arranged along the extension direction of the lifting plate, offset from the fixed shafts, and leather is alternately wound around the movable shafts and fixed shafts. The traction cylinder is located at the edge of the storage frame, and the output end of the traction cylinder drives the lifting plate to rise and fall vertically through the steel wire rope and the traction wheel assembly. The distance between the movable shafts and the fixed shafts is controlled to realize the storage and placement of leather in the leather storage rack.

[0009] Furthermore, the leather unloading rack includes a lever, a first tensioning rod, and a second tensioning rod; leather roll support seats are respectively provided at both ends of the lever, and the end of the leather roll is connected to the leather roll support seat; the first tensioning rod and the second tensioning rod are respectively provided on both sides of the lever and parallel to the axis of the leather roll, and the first tensioning rod and the second tensioning rod are respectively installed on the side of the lever through connecting columns, and the connecting columns and the lever form a cross-shaped structure.

[0010] Furthermore, the traction wheel assembly includes a fixed pulley and a movable pulley; the traction cylinder is vertically mounted on the inner wall of the storage rack; the movable pulley is mounted on the output end of the traction cylinder, and the fixed pulley is mounted at the top of the storage rack; one end of the wire rope is fastened to the top of the storage rack, and the other end of the wire rope passes sequentially around the movable pulley at the output end of the traction cylinder and the fixed pulley mounted at the top of the storage rack, and is connected to the lifting plate.

[0011] The advantages of this utility model are:

[0012] 1) In this utility model, a cross-shaped leather unloading rack is set on the leather unloading rack to ensure the tension of the leather rolls while using a tensioning rod to ensure the tension of the leather unloading. In addition, a leather tension adjustment rack is set on one side of the leather unloading rack to ensure the tension adjustment of the leather when storing and placing it on the leather storage rack. Furthermore, a traction cylinder is set on the inner side of the storage rack, which works with the traction wheel set to drive the lifting plate to rise and fall vertically, reducing the height of the entire storage rack, facilitating the installation of the drying oven above, and improving space utilization. Attached Figure Description

[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0014] Figure 1 This is a schematic diagram of a leather unwinding and storage device according to the present invention. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0017] like Figure 1 The illustrated leather unwinding and storage device includes a leather unwinding frame 1, a leather tension adjustment frame 2, and a leather storage frame 3.

[0018] The leather unwinding rack 1 includes a support base 11 and a leather unwinding rack 12; a bearing seat is provided at the top of the support base 11; the leather unwinding rack 12 has a cross-shaped structure, and the center of the leather unwinding rack 12 is mounted on the bearing seat through a slewing bearing; leather rolls are placed on the leather unwinding rack 12.

[0019] The leather tension adjustment frame 2 includes a guide plate 21, a leather input reversing roller 22, a leather output reversing roller 23, a fixed roller 24, and a tension roller 25. The guide plate 21 has a pair of parallel guide plates. A U-shaped guide groove is opened downward at the middle position of the upper surface of the guide plate 21. The leather input reversing roller 22 is set on one side of the guide plate 21 to receive the leather output from the leather unwinding frame 1. The leather output reversing roller 23 is set on the other side of the guide plate 21 to output the leather from the leather tension adjustment frame 2. The fixed roller 24 is installed at the top of the U-shaped guide groove. The tension roller 25 is set in the guide groove, and the tension roller 25 can be raised and lowered vertically along the U-shaped guide groove to adjust the tension of the leather.

[0020] The leather storage rack 3 includes a storage rack 31, a lifting plate 32, a traction cylinder 33, a traction wheel assembly 34, and a steel wire rope 35. The storage rack 31 has a rectangular frame structure, and several fixed shafts 36 are horizontally arranged near the bottom of the storage rack 31 and are evenly spaced. A guide rail is arranged vertically on the inner side wall of the storage rack 31. The lifting plate 32 is arranged inside the storage rack 31. The lifting plate 32 has a pair, and guide wheels that cooperate with the guide rails are arranged at both ends of the lifting plate 32. Several movable shafts 37 are arranged along the extension direction of the lifting plate 32 and are offset from the fixed shafts 36. Leather is alternately wound around the movable shafts 37 and the fixed shafts 36. The traction cylinder 33 is located at the edge of the storage rack 31, and the output end of the traction cylinder 33 drives the lifting plate 32 to rise and fall vertically through the steel wire rope 35 and the traction wheel assembly 34. The distance between the movable shafts 37 and the fixed shafts 36 is controlled to realize the storage of leather in the leather storage rack 3.

[0021] The leather cutting rack 12 includes a lever 121, a first tensioning rod 122, and a second tensioning rod 123. Leather roll support seats are respectively provided at both ends of the lever 121, and the ends of the leather rolls are connected to the leather roll support seats. The first tensioning rod 122 and the second tensioning rod 123 are respectively provided on both sides of the lever and are parallel to the axis of the leather roll. The first tensioning rod 122 and the second tensioning rod 123 are respectively installed on the side of the lever through connecting columns, and the connecting columns and the lever form a cross-shaped structure.

[0022] The traction wheel assembly 34 includes a fixed pulley 341 and a movable pulley 342; the traction cylinder 33 is vertically mounted on the inner wall of the storage rack 31; the movable pulley 342 is mounted on the output end of the traction cylinder 33, and the fixed pulley is mounted on the top of the storage rack; one end of the wire rope is tied to the top of the storage rack, and the other end of the wire rope 35 passes sequentially around the movable pulley 342 at the output end of the traction cylinder 33 and the fixed pulley 341 mounted on the top of the storage rack 31 and is connected to the lifting plate 32.

[0023] The working principle of this utility model is as follows: By setting a cross-shaped leather unloading rack on the leather unloading rack, the tension of the leather roll is ensured while the tension of the leather unloading is ensured by the tension rod; in addition, a leather tension adjustment rack is set on one side of the leather unloading rack to ensure the tension adjustment when the leather is stored on the leather storage rack; furthermore, a traction cylinder is set on the inner side of the storage rack, which, together with the traction wheel set, drives the lifting plate to rise and fall in the vertical direction, thereby reducing the height of the entire storage rack, facilitating the installation of the drying oven above, and improving the space utilization rate.

[0024] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of this utility model as claimed.

Claims

1. A leather unwinding and storage device, characterized in that: Includes leather unwinding rack, leather tension adjustment rack, and leather storage rack; The leather unwinding rack includes a support base and a leather unloading rack; a bearing seat is provided at the top of the support base; the leather unloading rack has a cross-shaped structure, and the center of the leather unloading rack is mounted on the bearing seat through a slewing bearing; leather rolls are placed on the leather unloading rack. The leather tension adjustment frame includes a guide plate, a leather input reversing roller, a leather output reversing roller, a fixed roller, and a tension roller. The guide plate has a pair of parallel sections. A U-shaped guide groove is formed downwards at the center of the upper surface of each guide plate. The leather input reversing roller is located on one side of the guide plate to receive leather output from the leather unwinding frame. The leather output reversing roller is located on the other side of the guide plate to output leather from the leather tension adjustment frame. The fixed roller is installed at the top of the U-shaped guide groove. The tension roller is located within the guide groove and can be vertically adjusted along the U-shaped guide groove to regulate the tension of the leather. The leather storage rack includes a storage frame, a lifting plate, a traction cylinder, a traction wheel assembly, and a steel wire rope. The storage frame has a rectangular frame structure, and several fixed shafts are horizontally arranged at equal intervals near the bottom of the storage frame. Guide rails are arranged vertically on the inner sidewall of the storage frame. The lifting plate is located inside the storage frame. The lifting plate has a pair, and guide wheels that cooperate with the guide rails are provided at both ends of the lifting plate. Several movable shafts are arranged along the extension direction of the lifting plate, offset from the fixed shafts, and leather is alternately wound around the movable shafts and fixed shafts. The traction cylinder is located at the edge of the storage frame, and the output end of the traction cylinder drives the lifting plate to rise and fall vertically through the steel wire rope and the traction wheel assembly. The distance between the movable shafts and the fixed shafts is controlled to realize the storage and placement of leather in the leather storage rack.

2. The leather unwinding and storage device according to claim 1, characterized in that: The leather unloading rack includes a lever, a first tensioning rod, and a second tensioning rod; leather roll support seats are respectively provided at both ends of the lever, and the end of the leather roll is connected to the leather roll support seat; the first tensioning rod and the second tensioning rod are respectively provided on both sides of the lever and parallel to the axis of the leather roll, and the first tensioning rod and the second tensioning rod are respectively installed on the side of the lever through connecting columns, and the connecting columns and the lever form a cross-shaped structure.

3. The leather unwinding and storage device according to claim 1, characterized in that: The traction wheel assembly includes a fixed pulley and a movable pulley; the traction cylinder is vertically mounted on the inner wall of the storage rack; the movable pulley is mounted on the output end of the traction cylinder, and the fixed pulley is mounted at the top of the storage rack; one end of the wire rope is fastened to the top of the storage rack, and the other end of the wire rope passes sequentially around the movable pulley at the output end of the traction cylinder and the fixed pulley mounted at the top of the storage rack, and is connected to the lifting plate.