Leather tightening device for leather processing

Abstract

The utility model provides a leather tightening device for leather processing, and relates to the technical field of leather tightening devices, the leather tightening device comprises a leather tightening table, through the arrangement of an adjusting leather tightening device, after leather is flatly laid on the leather tightening table, the leather tightening table can be adjusted according to the size of the leather, and the leather tightening table can be adjusted according to the size of the leather. The corresponding number of the L-shaped frames and the first threaded rods are inserted into the L-shaped grooves, then the L-shaped frames and the first threaded rods slide to certain positions in the inner walls of the L-shaped grooves according to the positions where leather is placed and needs to be tightened, then the L-shaped frames and the first threaded rods are fixed, and then the multiple fixing clamps are clamped to the edges of the leather. When the leather is dried, a plurality of edges of the leather can be toggled and pulled at the same time only through pulling of the second threaded rod, it is guaranteed that pulling force at the positions is uniform, meanwhile, the first spring can be stretched open according to the tenacity of the leather under pulling, the flatness of the dried leather can be improved through the operation, and the drying efficiency is improved. And meanwhile, the pulling strength of workers and the toggling processing efficiency are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to leather stretching device technical field especially relates to a leather stretching device for leather processing. BACKGROUND

[0002] Leather stretching device is the equipment commonly used in the leather processing process, is used to the leather stretching and stretching flat, so as to carry out subsequent processing.

[0003] The existing leather stretching table is usually needed to clamp the edge of leather with clamp, then pull to a certain position, and then the end of clamp is clamped and fixed on the leather stretching table, so as to exert the stretching force on leather, thereby realizing the stretching of leather, so that the pulling of each clamp needs to be pulled once, the pulling force of each clamp on leather cannot be uniform, thereby affecting the flatness of leather after drying, and the pulling strength of workers is increased, and the efficiency of stretching processing is reduced. UTILITY MODEL CONTENTS

[0004] The utility model provides a leather stretching device for leather processing to solve the shortcoming in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a leather stretching device for leather processing, including leather stretching table, the one side of leather stretching table is provided with a plurality of adjusting stretching device, the adjusting stretching device includes L shape frame, connecting block, rectangular rod and cushion block, the one end between connecting block and rectangular rod is provided with detachable device, the one side of leather stretching table is opened in the symmetry L shape groove, the one side of L shape frame is fixedly connected with first screw rod, first screw rod and L shape frame all are with the inner wall of L shape groove sliding connection, the outer surface of first screw rod is connected with screw hole block, the one side of screw hole block is with the one side of leather stretching table abut, the one end inner wall of L shape frame is connected with second screw rod, the one end of second screw rod is with the one side of connecting block rotatory connection, the one side of connecting block is fixedly connected with first telescopic link, the one end of first telescopic link is with the one side of L shape frame fixed connection, the one side of rectangular rod is fixedly connected with a plurality of first spring, the one end of first spring is fixedly connected with fixed clamp.

[0006] The effect achieved by the above-mentioned components is that: by arranging the adjusting stretching device, when the leather is stretched on the leather stretching table, the leather can be laid flat on the leather stretching table, and according to the size of the leather, the required number of L-shaped frames and first threaded rods are inserted into the L-shaped slots, then according to the position of the leather to be stretched, the L-shaped frame and the first threaded rod are slid to a certain position in the inner wall of the L-shaped slot, and then the side of the threaded hole block is abutted on one side of the leather stretching table to fix the L-shaped frame on the leather stretching table, and then several fixing clamps on the adjusting stretching device are clamped at the edge of the leather, and when the leather is stretched, the second threaded rod is manually screwed to a certain position in the inner wall of the L-shaped frame, the connecting block is moved to one end under the limiting action of the first telescopic rod, the rectangular rod, the first spring and the fixing clamp fixed to the leather are moved to one end, the edge of the leather is pulled, the second threaded rod can simultaneously pull and stretch the multiple edges of the leather, and the pulling force of the multiple edges is uniform, and the first spring is stretched according to the toughness of the leather under the pulling, so that the flatness of the leather after drying can be improved, and the pulling strength of the worker and the stretching efficiency can be reduced.

[0007] Preferably, one side of the rectangular rod is fixedly connected with a plurality of second telescopic rods, one end of the second telescopic rod is fixedly connected with one side of the fixing clamp, and the outer surface of the second telescopic rod is connected with the inner wall of the first spring in a sleeved manner.

[0008] The effect achieved by the above-mentioned components is that: by arranging the second telescopic rod, the inner wall of the first spring can be supported and reinforced, so that damage of the first spring during use is avoided, and the service life of the first spring is improved.

[0009] Preferably, the outer surface of one end of the second threaded rod is fixedly connected with a bearing, and the outer ring of the bearing is fixedly connected with one side of the connecting block.

[0010] The effect achieved by the above-mentioned components is that: by arranging the bearing, the rotating wear between the second threaded rod and the connecting block can be reduced, the rotation of the threaded rod is facilitated, the wear and damage between the two are reduced, and the service life of the two is improved.

[0011] Preferably, the cushion block is sleeved on the outer surface of the first threaded rod, and the cushion block is arranged between one side of the threaded hole block and one side of the L-shaped frame.

[0012] The effect achieved by the above-mentioned components is that: by arranging the cushion block, the abutting area between one side of the threaded hole block and one side of the leather stretching table can be increased, so that the abutting is more firm and stable.

[0013] Preferably, one end of the first threaded rod is fixedly connected with a stop block, and the outer surface size of the stop block is larger than the inner wall size of the threaded hole block.

[0014] The effect achieved by the above components is that the block is limited on the first threaded rod by the block, so that the block is not easy to fall off and lost, and the use is facilitated.

[0015] Preferably, the detachable device comprises two clamping blocks, one side of the rectangular rod is provided with a first clamping groove, the inner wall of the first clamping groove is provided with a second clamping groove on both sides, the connecting block is provided with a sliding groove on both sides, one side of the inner wall of the sliding groove is fixedly connected with a second spring, the inner wall of the sliding groove is slidably connected with one end of the clamping block, one end of the second spring is fixedly connected with one side of the clamping block, one end of the connecting block is inserted into the inner wall of the first clamping groove, and one end of the clamping block is inserted into the inner wall of the second clamping groove.

[0016] The effect achieved by the above components is that when the fixing clamp needs to be replaced, the L-shaped frame can be first taken out of the L-shaped groove on the leather stretching table, then one end of the clamping block is pressed manually, and the clamping block is pressed inward in the inner wall of the sliding groove to a certain position, so that one end of the clamping block is completely accommodated in the inner wall of the sliding groove, the second spring is contracted, one end of the clamping block is pulled out of the second clamping groove, and then the connecting block is pulled upward, so that one end of the connecting block is pulled out of the first clamping groove on the rectangular rod, and the rectangular rod is detached from the connecting block, so that the rectangular rod can be replaced.

[0017] Preferably, one side of the clamping block is fixedly connected with a plurality of anti-skid blocks, and the anti-skid blocks are made of rubber.

[0018] The effect achieved by the above components is that the contact friction force of one end of the clamping block is increased, so that the clamping block is not easy to slide when pressed manually, and the operation is facilitated.

[0019] Preferably, the longitudinal section of the clamping block is in U-shaped, and the height of one end of the clamping block fixed with the anti-skid block is higher than that of the other end.

[0020] The effect achieved by the above components is that the height of one end of the anti-skid block is higher than that of the other end, so that the anti-skid block is convenient to operate and observe when taken out.

[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0022] In this invention, by setting an adjustable stretching device, when using a leather stretching table to stretch leather, the leather can be laid flat on the table. Depending on the size of the leather, the required number of L-shaped frames and first threaded rods are inserted into the L-shaped grooves. Then, according to the position of the leather and the location requiring stretching, the L-shaped frames and first threaded rods are slid to a certain position within the L-shaped groove and fixed. Several fixing clips are then clamped at the edges of the leather. During stretching, multiple edges of the leather can be stretched simultaneously by pulling the second threaded rod, ensuring uniform tension at these points. Simultaneously, the first spring is stretched according to the leather's resilience under tension. This operation improves the flatness of the dried leather while reducing the pulling effort of the workers and increasing the efficiency of the stretching process. Attached Figure Description

[0023] Fig. 1 This is a three-dimensional structural diagram of the present invention;

[0024] Fig. 2 This is a three-dimensional structural diagram of the leather stretching table of this utility model;

[0025] Fig. 3 This is a three-dimensional structural diagram of the L-shaped frame of this utility model;

[0026] Fig. 4 This is a three-dimensional structural diagram of the rectangular rod of this utility model.

[0027] Legend: 1. Leather stretching table; 2. Adjustable stretching device; 3. Detachable device; 21. L-shaped groove; 22. L-shaped frame; 23. First threaded rod; 24. Screw hole block; 25. Second threaded rod; 26. Connecting block; 27. First telescopic rod; 28. Rectangular rod; 29. ​​First spring; 210. Fixing clamp; 211. Second telescopic rod; 212. Bearing; 213. Pad; 214. Stop block; 31. First slot; 32. Second slot; 33. Slide groove; 34. Second spring; 35. Locking block; 36. Anti-slip block. Detailed Implementation

[0028] Example 1, as Figs. 1-4The leather stretching device for leather processing shown includes a leather stretching table 1, a plurality of adjusting stretching devices 2 are arranged on one side of the leather stretching table 1, the adjusting stretching device 2 includes an L-shaped frame 22, a connecting block 26, a rectangular rod 28 and a cushion block 213, a detachable device 3 is arranged between one end of the connecting block 26 and the rectangular rod 28, an L-shaped groove 21 is symmetrically arranged on one side of the leather stretching table 1, a first threaded rod 23 is fixedly connected to one side of the L-shaped frame 22, the first threaded rod 23 and the L-shaped frame 22 are both in sliding connection with the inner wall of the L-shaped groove 21, a threaded hole block 24 is in threaded connection with the outer surface of the first threaded rod 23, one side of the threaded hole block 24 is in abutment with one side of the leather stretching table 1, a second threaded rod 25 is in threaded connection with the inner wall of one end of the L-shaped frame 22, one end of the second threaded rod 25 is in rotary connection with one side of the connecting block 26, a first telescopic rod 27 is fixedly connected to one side of the connecting block 26, one end of the first telescopic rod 27 is fixedly connected with one side of the L-shaped frame 22, a plurality of first springs 29 are fixedly connected to one side of the rectangular rod 28, and one end of the first spring 29 is fixedly connected with a fixing clamp 210. In use, the leather is laid flat on the leather stretching table 1, and according to the size of the leather, a required number of L-shaped frames 22 and first threaded rods 23 are inserted into the L-shaped groove 21, then according to the position of the leather to be stretched, the L-shaped frame 22 and the first threaded rod 23 are slid to a certain position in the inner wall of the L-shaped groove 21, and then the threaded hole block 24 is screwed to abut one side of the leather stretching table 1, so that the L-shaped frame 22 is fixed on the leather stretching table 1, and then the plurality of fixing clamps 210 on the adjusting stretching device 2 are clamped at the edges of the leather, and during the stretching process, the second threaded rod 25 is manually screwed to a certain position in the inner wall of the L-shaped frame 22, and the connecting block 26 is moved to one end under the limiting action of the first telescopic rod 27, driving the rectangular rod 28, the first spring 29 and the fixing clamp 210 fixed to the leather to move to one end, so as to pull the edges of the leather, and through the pulling of the second threaded rod 25, the edges of the leather can be simultaneously stretched and pulled, ensuring that the pulling force of the several edges is uniform, and the first spring 29 is stretched according to the toughness of the leather under the pulling, so that the flatness of the leather after drying can be improved, and the pulling strength of the workers and the efficiency of the stretching process can be reduced.

[0029] Reference Figs. 1-4As shown, the embodiment discloses that the one side of the rectangular rod 28 is fixedly connected with a plurality of second telescopic rods 211, one end of the second telescopic rod 211 is fixedly connected with one side of the fixed clamp 210, and the outer surface of the second telescopic rod 211 is connected with the inner wall of the first spring 29. By setting the second telescopic rod 211, the inner wall of the first spring 29 can be supported and reinforced, so that it is not easy to be damaged during use, and the service life of the first spring 29 is improved. The outer surface of one end of the second threaded rod 25 is fixedly connected with the bearing 212, and the outer ring of the bearing 212 is fixedly connected with one side of the connecting block 26. By setting the bearing 212, the rotating wear between the second threaded rod 25 and the connecting block 26 can be reduced, the rotation of the threaded rod is facilitated, and the wear and damage between the two are reduced, thereby improving the service life of the two.

[0030] Referring to Figs. 1-4 As shown, the embodiment discloses that the pad 213 is sleeved on the outer surface of the first threaded rod 23, and the pad 213 is arranged between one side of the threaded hole block 24 and one side of the L-shaped frame 22. By setting the pad 213, the abutting area between one side of the threaded hole block 24 and one side of the leather stretching table 1 can be increased, so that it is more firm and stable when abutting. One end of the first threaded rod 23 is fixedly connected with the stop block 214, and the outer surface size of the stop block 214 is larger than the inner wall size of the threaded hole block 24. By setting the stop block 214, the threaded hole block 24 can be limited on the first threaded rod 23, so that it is not easy to fall off and lost, and is convenient to use.

[0031] Referring to Figs. 1-4 As shown, the embodiment discloses that the detachable device 3 includes two clamping blocks 35, the one side of the rectangular rod 28 is provided with a first clamping groove 31, the inner wall of the first clamping groove 31 is provided with a second clamping groove 32 on both sides, the two sides of the connecting block 26 are provided with a sliding groove 33, the inner wall of the sliding groove 33 is fixedly connected with a second spring 34, the inner wall of the sliding groove 33 is slidably connected with one end of the clamping block 35, one end of the second spring 34 is fixedly connected with one side of the clamping block 35, one end of the connecting block 26 is inserted into the inner wall of the first clamping groove 31, and one end of the clamping block 35 is inserted into the inner wall of the second clamping groove 32. When the fixed clamp 210 needs to be replaced, the L-shaped frame 22 can be first taken out of the L-shaped groove 21 of the leather stretching table 1, and then one end of the clamping block 35 is pressed manually, and is pressed inward in the inner wall of the sliding groove 33 to a certain position, so that one end of the clamping block 35 is completely received in the inner wall of the sliding groove 33, and the second spring 34 is driven to shrink. At this time, one end of the clamping block 35 is pulled out of the second clamping groove 32, and then the connecting block 26 is pulled upward, so that one end of the connecting block 26 is pulled out of the first clamping groove 31 on the rectangular rod 28, thereby the rectangular rod 28 is detached from the connecting block 26, and the replacement processing is facilitated.

[0032] Referring to Figs. 1-4As shown, the embodiment discloses that one side of the clamping block 35 is fixedly connected with a plurality of anti-skid blocks 36, and the anti-skid block 36 is made of rubber. By arranging the anti-skid block 36, the contact friction of one side of one end of the clamping block 35 can be increased, so that it is not easy to slide when manually pressing it, and operation is facilitated. The longitudinal section of the clamping block 35 is in the shape of a U, and the height of one end of the clamping block 35 to which the anti-skid block 36 is fixed is higher than that of the other end. By arranging the height of one end of the anti-skid block 36 to be higher than that of the other end, the operation and observation thereof can be facilitated when it needs to be removed.

[0033] When the leather stretching table 1 is used to stretch the leather, the leather can be laid flat on the leather stretching table 1. According to the size of the leather, a plurality of L-shaped frames 22 and first threaded rods 23 are inserted into the L-shaped slots 21. Then, according to the position of the leather to be stretched, the L-shaped frames 22 and the first threaded rods 23 are slid to a certain position in the inner wall of the L-shaped slot 21, and then the side of the screw hole block 24 is abutted on one side of the leather stretching table 1 to fix the L-shaped frame 22 on the leather stretching table 1. Then, a plurality of fixing clamps 210 on the adjusting stretching device 2 are clamped at the edges of the leather. When stretching, the second threaded rod 25 is manually held and screwed to a certain position in the inner wall of the L-shaped frame 22, the connecting block 26 moves to one end under the limiting action of the first extension rod 27, the rectangular rod 28 and the first spring 29 are driven to move to one end, and the fixing clamps 210 fixed to the leather are also driven to move to one end, so that the edges of the leather are pulled. By pulling the second threaded rod 25, the edges of the leather can be stretched and pulled simultaneously, ensuring that the pulling force at these positions is uniform, and the first spring 29 is stretched according to the toughness of the leather under pulling. This operation can improve the flatness of the dried leather and reduce the pulling strength of the workers and the efficiency of the stretching process.

[0034] When the fixing clamp 210 needs to be replaced, the L-shaped frame 22 can be removed from the L-shaped slot 21 on the leather stretching table 1, and then one end of the clamping block 35 is pressed and pressed inward to a certain position in the inner wall of the sliding groove 33, so that one end of the clamping block 35 is completely received in the inner wall of the sliding groove 33, and the second spring 34 is contracted. At this time, one end of the clamping block 35 is pulled out of the second clamping groove 32, and then the connecting block 26 is pulled up, so that one end of the connecting block 26 is pulled out of the first clamping groove 31 on the rectangular rod 28, and the rectangular rod 28 is detached from the connecting block 26, facilitating replacement.

Claims

1. A leather stretching device for leather processing, comprising a leather stretching table (1), characterized in that: The leather stretching table (1) has several adjustable stretching devices (2) on one side. Each adjustable stretching device (2) includes an L-shaped frame (22), a connecting block (26), a rectangular rod (28), and a pad (213). A detachable device (3) is provided between one end of the connecting block (26) and the rectangular rod (28). The leather stretching table (1) has symmetrically opened L-shaped grooves (21) on one side. A first threaded rod (23) is fixedly connected to one side of the L-shaped frame (22). The first threaded rod (23) and the L-shaped frame (22) are slidably connected to the inner wall of the L-shaped groove (21). The outer surface of the first threaded rod (23) is... A threaded connection is provided with a screw hole block (24), one side of which abuts against one side of the leather stretching table (1). A second threaded rod (25) is threadedly connected to the inner wall of one end of the L-shaped frame (22), one end of which is rotatably connected to one side of the connecting block (26). A first telescopic rod (27) is fixedly connected to one side of the connecting block (26), one end of which is fixedly connected to one side of the L-shaped frame (22). A plurality of first springs (29) are fixedly connected to one side of the rectangular rod (28), and a fixing clip (210) is fixedly connected to one end of each of the first springs (29).

2. The leather stretching device for leather processing according to claim 1, characterized in that: A plurality of second telescopic rods (211) are fixedly connected to one side of the rectangular rod (28). One end of the second telescopic rod (211) is fixedly connected to one side of the fixing clamp (210). The outer surface of the second telescopic rod (211) is sleeved and connected to the inner wall of the first spring (29).

3. The leather stretching device for leather processing according to claim 1, characterized in that: A bearing (212) is fixedly connected to the outer surface of one end of the second threaded rod (25), and the outer ring of the bearing (212) is fixedly connected to one side of the connecting block (26).

4. The leather stretching device for leather processing according to claim 1, characterized in that: The pad (213) is sleeved on the outer surface of the first threaded rod (23), and the pad (213) is located between one side of the screw hole block (24) and one side of the L-shaped frame (22).

5. A leather stretching device for leather processing according to claim 1, characterized in that: One end of the first threaded rod (23) is fixedly connected to a stop (214), and the outer surface dimension of the stop (214) is larger than the inner wall dimension of the threaded hole block (24).

6. A leather stretching device for leather processing according to claim 1, characterized in that: The detachable device (3) includes two locking blocks (35). A first locking groove (31) is provided on one side of the rectangular rod (28). A second locking groove (32) is provided on both sides of the inner wall of the first locking groove (31). A sliding groove (33) is provided on both sides of the connecting block (26). A second spring (34) is fixedly connected to one side of the inner wall of the sliding groove (33). The inner wall of the sliding groove (33) is slidably connected to one end of the locking block (35). One end of the second spring (34) is fixedly connected to one side of the locking block (35). One end of the connecting block (26) is inserted into the inner wall of the first locking groove (31). One end of the locking block (35) is inserted into the inner wall of the second locking groove (32).

7. A leather stretching device for leather processing according to claim 6, characterized in that: A number of anti-slip blocks (36) are fixedly connected to one side of the card block (35), and the anti-slip blocks (36) are made of rubber.

8. A leather stretching device for leather processing according to claim 6, characterized in that: The longitudinal section of the card block (35) is U-shaped, and the height of one end of the card block (35) to which the anti-slip block (36) is fixed is higher than that of the other end.

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