Stretching device for leather processing

Abstract

The utility model discloses a stretching device for leather processing, which relates to the technical field of leather processing and comprises a stretching table, table legs are fixed on the bottom of the stretching table close to four corners of the bottom of the stretching table, a square stretching hole is downwards formed in the top of the stretching table, a fixing structure for fixing leather is arranged on the top of the stretching table, and an inverted U-shaped support is further arranged on the top of the stretching table. The lower ends of two supporting legs of the support are fixed to the stretching table, and a downward pressing structure for stretching leather is arranged between the lower surface of a top plate of the support and the stretching hole. The upper compression roller and the lower compression roller are matched, so that the leather can be simultaneously pressed and stretched at multiple positions, the efficiency is higher, the leather can be uniformly stressed and is prevented from being broken, the structure is simple, and the practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to leather processing technical field, concretely is a kind of leather processing and is used in stretching device. BACKGROUND

[0002] In prior art, it is found by searching that, such as Chinese patent (application number: 201922471297.0) discloses a kind of leather production and is used in stretching equipment, to leather, from middle part, stretch to both sides, and then each part is stretched, improve stretching effect.

[0003] The above-mentioned patent is to leather, from middle part, stretch to both sides, but in practice, leather can still be broken from middle part, and only one place of leather is stretched, efficiency is not very high, for this, it needs to be improved. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of leather processing and is used in stretching device, solve the problem mentioned in background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme:

[0006] A kind of leather processing and is used in stretching device, including stretching platform, the leg of table is fixed in the proximity of four corners of stretching platform bottom, the stretching hole of square is opened downward in the top of stretching platform, the fixed structure that the top of stretching platform is provided with to leather, the top of stretching platform is also equipped with the support of inverted U type, the lower end of two supporting legs of support is fixed on stretching platform, the lower surface of the top plate of support is arranged between stretching hole and is provided with the down-pressing structure that leather is stretched.

[0007] In the utility model, specifically, the fixed structure includes two symmetrically embedded grooves in the top of stretching platform, the embedded groove is embedded with pressing plate, the connecting rod is fixed between the top of two pressing plates two ends, a vertical bolt is screw-mounted in the center of the top of connecting rod, and the lower end of bolt is screw-mounted on the top of stretching platform.

[0008] In the utility model, specifically, the down-pressing structure includes hydraulic cylinder vertically installed in the bottom lower surface of support top plate, the piston rod lower end of hydraulic cylinder is fixed with lifting plate, and the pressure roller group is arranged between lifting plate and stretching hole, the pressure roller group includes a plurality of upper pressure rollers arranged at equal intervals, the fixed rod is fixed between the highest point of upper pressure roller and pressing plate, a plurality of lower pressure rollers arranged at equal intervals are fixed between the two hole walls opposite to stretching hole, the upper pressure roller and lower pressure roller are all circular rollers, the diameter of upper pressure roller is less than the diameter of lower pressure roller, upper pressure roller is parallel to lower pressure roller, and upper pressure roller and lower pressure roller are arranged staggeredly.

[0009] Compared with the prior art, the present utility model has the following beneficial effects: the cooperation of the upper compression roller and the lower compression roller can simultaneously stretch the leather at multiple positions, which is not only higher in efficiency, but also can make the leather bear force evenly and prevent it from breaking, and the structure is simple and higher in practicality. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a partial sectional view of the front view of the present utility model;

[0011] Figure 2 It is a perspective view of the present utility model Figure One ;

[0012] Figure 3 It is a perspective view of the present utility model Figure Two ;

[0013] Figure 4 It is a perspective view of the compression roller set of the present utility model.

[0014] The drawing mark: 1, the stretching platform;1-1, the embedded groove;2, the leg;3, the support;4, the pressing plate;5, the connecting rod;6, the hydraulic cylinder;7, the lifting plate;8, the upper compression roller;9, the fixed rod;10, the lower compression roller. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the present utility model will be described clearly and completely in combination with the drawings in the embodiments of the present utility model.

[0016] As Figures 1-4 shown, the present utility model provides a kind of stretching device for leather processing, including stretching platform 1, and leg 2 is fixed in the four corner of stretching platform 1 table bottom, and square stretching hole is opened downward in the top of stretching platform 1, and fixed structure for fixing leather is arranged in the top of stretching platform 1, and inverted U-shaped support 3 is also arranged in the top of stretching platform 1, and the lower end of the two legs of support 3 is fixed on stretching platform 1, and the lower surface of the top plate of support 3 is arranged with lower compression structure for stretching leather between stretching hole.

[0017] Specifically in the present utility model, fixed structure includes two embedded grooves 1-1 symmetrically arranged in the top of stretching platform 1, and pressing plate 4 is embedded in embedded groove 1-1, and connecting rod 5 is fixed between the top of two pressing plates 4, and a vertical bolt is screw-mounted in the top center of connecting rod 5, and the lower end of bolt is screw-mounted on the top of stretching platform 1.

[0018] The utility model discloses a specific, the lower pressure structure includes the vertical installation in the support 3 top plate bottom lower surface hydraulic cylinder 6, and the piston rod lower end of hydraulic cylinder 6 is fixed with the lifting plate 7, and the lifting plate 7 is provided with the compression roller group between the drawing hole, and the compression roller group includes several upper compression rollers 8 of equidistance arrangement, and the fixed rod 9 is fixed between the highest point of upper compression roller 8 and the pressing plate 4, and the drawing hole opposite two hole walls are fixed with several lower compression rollers 10 of equidistance arrangement, and upper compression roller 8 and lower compression roller 10 are all round roller, and the diameter of upper compression roller 8 is less than the diameter of lower compression roller 10, and upper compression roller 8 is parallel to lower compression roller 10, and upper compression roller 8 and lower compression roller 10 are arranged mutually staggered.

[0019] Below, the working principle of the utility model is explained in detail: the leather to be drawn is laid on the drawing table 1 top, and makes leather both ends to be clamped in the embedded groove 1-1, and the pressing plate 4 is clamped in the embedded groove 1-1, at this time, rotates the bolt downward, makes the bolt lower end to be screwed on the drawing table 1, realizes the locking of connecting rod 5, and further realizes the locking of pressing plate 4, in this way, the fixing of leather is realized, and the hydraulic cylinder 6 is started by the power provided by external hydraulic source, drives the lower end of piston rod upper compression roller 8 to move down, and upper compression roller 8 enters the interval between the adjacent two lower compression rollers 10 below, and the leather is pressed down, realizes drawing, according to the length required by leather drawing, determines the distance of upper compression roller 8 moving down, after the leather drawing is completed, the hydraulic cylinder 6 drives upper compression roller 8 to move up, and the bolt is screwed down from connecting rod 5, and then the pressing plate 4 is taken out from the embedded groove 1-1, and the leather after drawing can be taken down from the drawing table 1, and then the leather can be flattened by the flattening device.

[0020] The utility model discloses compared with prior art has the following beneficial effects: the cooperation of upper compression roller 8 and lower compression roller 10 can simultaneously press and draw the leather at multiple places, not only higher efficiency, but also can make the leather stress uniform, prevent breaking, simple structure, and higher practicality.

[0021] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A leather processing stretching device, comprising a stretching table, wherein table legs are fixed to the bottom of the stretching table near four corners thereof, characterized in that: The stretching table top is downwardly provided with a square stretching hole, the stretching table top is provided with a fixing structure for fixing the leather, and the stretching table top is further provided with an inverted U-shaped support, two support legs of the support are fixed at the lower end of the stretching table, and a lower pressing structure for stretching the leather is arranged between the top plate lower surface of the support and the stretching hole.

2. A stretching device for leather processing according to claim 1, characterized in that: The fixing structure comprises two symmetrically arranged embedding grooves in the stretching table top, a pressing plate is embedded in each embedding groove, a connecting rod is fixed between the top portions of the two ends of the two pressing plates, a vertical bolt is threadedly installed at the center of the top portion of the connecting rod, and the lower end of the bolt is threadedly installed on the stretching table top.

3. A stretching device for leather processing according to claim 2, characterized in that: The lower pressing structure comprises a hydraulic cylinder vertically installed at the bottom lower surface of the support top plate, a lifting plate is fixed at the lower end of the piston rod of the hydraulic cylinder, and a pressing roller group is arranged between the lifting plate and the stretching hole.

4. The stretching device for leather processing according to claim 3, characterized in that: The pressing roller group comprises a plurality of upper pressing rollers arranged at equal intervals, a fixing rod is fixed between the highest point of each upper pressing roller and the pressing plate, and a plurality of lower pressing rollers arranged at equal intervals are fixed between the opposite hole walls of the stretching hole.

5. A stretching device for leather processing according to claim 4, characterized in that: The upper pressing rollers and the lower pressing rollers are all circular rollers, the diameter of the upper pressing rollers is smaller than the diameter of the lower pressing rollers, the upper pressing rollers are parallel to the lower pressing rollers, and the upper pressing rollers and the lower pressing rollers are arranged in a staggered manner.

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