CN116814868A - Leather processing device and processing technology thereof - Google Patents

Abstract

The invention discloses a leather processing device and a processing technology thereof, comprising: the base is fixedly connected with a protective box at the top, the front surface of the protective box is rotationally connected with a transparent box cover through a hinge, a limiting mechanism is arranged in an inner cavity of the protective box and used for limiting the position of dyed leather; the front of the base is provided with a sliding mechanism, the sliding mechanism is used for cutting dyed leather, the sliding mechanism is provided with a pressing mechanism, and the pressing mechanism is used for laminating the cut leather. The invention utilizes the matched arrangement mode of the sliding mechanism and the pressing mechanism, and the support bar can stably support the cut strip through the rotation of the screw rod, so that the cutting edge of the support bar can stably cut the dyed leather pressed on the base, and the arrangement of the pressing mechanism is convenient for carrying out inner lamination adhesion on the cut leather, thereby improving the stability of leather processing and the processing efficiency.

Description

Leather processing device and processing technology thereof

Technical Field

The invention relates to the technical field of leather processing, in particular to a leather processing device and a leather processing technology.

Background

The leather is an animal skin which is obtained by physical and chemical processing such as dehairing and tanning and is not easy to rot and is formed by closely weaving natural protein fibers in a three-dimensional space, the surface of the leather is provided with a special grain layer, the leather has natural grain and luster, the hand feeling is comfortable, and the existing leather product is widely used for manufacturing leather shoes or bags and other products;

the leather processing method is a method for processing animal skin into cooked skin for manufacturing leather products, and the animal skin can be changed into leather for people to use, but when the leather is processed, the leather is often required to be cut and the back surface of the leather is required to be stuck with an inner layer, the existing leather processing method is to cut the processed leather firstly and then stick the cut leather with the inner layer for forming, so that the processing time of the finished leather is longer, and the processing efficiency is lower.

Disclosure of Invention

The present invention is directed to a leather processing device and a processing technology thereof, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a leather processing device and a processing technology thereof, comprising:

the base is fixedly connected with a protective box at the top, the front surface of the protective box is rotationally connected with a transparent box cover through a hinge, a limiting mechanism is arranged in an inner cavity of the protective box and is used for limiting the position of dyed leather;

the front of base is provided with slide mechanism, slide mechanism is used for cutting to the leather after dyeing, be provided with the pressure actuating mechanism on the slide mechanism, pressure actuating mechanism is used for carrying out the back lamination to the leather after cutting and pastes.

Preferably, the sliding mechanism comprises a cutting groove, an operating groove, a rack, a cutting assembly, a gear, a rotating shaft, a servo motor and four sliding blocks, wherein the cutting groove is formed in the top of the base, the operating groove is formed in one end of the cutting groove, the rack is in sliding connection with an inner cavity of the cutting groove, the cutting assembly is arranged in the middle of the rack, the rack is meshed with the outer wall of the gear, the rotating shaft is fixedly inserted and connected with the middle of the gear, the output end of the servo motor is in transmission connection with one end of the rotating shaft, and the four sliding blocks are respectively fixed on two sides of two ends of the rack.

Preferably, the operation groove is a rectangular groove, the cutting assembly is in sliding connection with an inner cavity of the cutting groove, the gear is in rotary insertion connection with the bottom of the cutting groove, the middle part and one end of the rotary shaft are respectively in rotary insertion connection with the middle part of the base through bearings, the servo motor is embedded in the inner cavity of the base, the sliding block is in sliding insertion connection with the inner wall of the cutting groove, and the pressing mechanism is fixed at one end of the cutting assembly.

Preferably, the cutting assembly comprises a fixing plate, a U-shaped block, a cutting strip, a cutting edge, a fixing block, a supporting strip, a sliding block, a sliding groove and a screw rod, wherein the fixing plate is fixed at the middle part of the rack, the U-shaped block is fixed at the middle part of the fixing plate, the bottom of the cutting strip rotates at the middle part of the U-shaped block through a pin, the cutting edge is arranged at the top of the cutting strip, the fixing block is fixed at the middle part of the cutting strip, the supporting strip rotates at the middle part of the fixing block through a rotating nail, the bottom of the supporting strip rotates at the top of the sliding block through the rotating nail, the sliding groove is formed at one end of the fixing plate, the screw rod is connected with the middle part of the sliding block in a threaded penetrating manner, the sliding block is connected with the inner cavity of the sliding groove in a penetrating manner, and two ends of the screw rod are respectively connected with two ends of the sliding groove through bearings.

Preferably, the pressing mechanism is fixed in the other end of fixed plate, the pressing mechanism contains branch, L type pole, ring, round bar, two compression rollers, locating component and arc pole, the upper surface fixed connection of branch and fixed plate, the one end of L type pole is rotated through the top of rotation nail and branch and is connected, the top of L type pole and the outer wall fixed connection of ring, the middle part fixed connection of round bar and ring, the both ends of round bar are rotated through the bearing respectively with the middle part of two compression rollers and are alternatingly to be connected, locating component sets up in the top of branch, the arc pole is fixed in the bottom of L type pole.

Preferably, the arc-shaped rod is connected with the top of the supporting rod in a rotating and penetrating mode, the positioning assembly comprises an extension spring and a positioning nail, one end of the extension spring is fixedly connected with one end of the positioning nail, the other end of the extension spring is fixedly connected with the outer wall of the supporting rod, and the positioning nail is sleeved in an inner cavity of the extension spring.

Preferably, the locating nails are connected with one side of the supporting rod in a sliding and penetrating mode, a plurality of locating holes are formed in the outer wall of the arc-shaped rod at equal intervals, and the locating nails are connected with inner cavities of the adjacent locating holes in a sliding mode.

Preferably, the limiting mechanism comprises a hydraulic cylinder, a pressing plate, two screws and two limiting blocks, wherein the hydraulic cylinder is fixedly inserted into the top of the protective box, the pressing plate is fixed to the bottom of a telescopic rod at the bottom of the hydraulic cylinder, and the limiting blocks are rotatably inserted and connected with the bottom of the screws.

Preferably, the two screws are respectively connected with the two ends of the pressing plate in a threaded penetrating manner, the bottom of the limiting block is made of rubber, and the limiting block is attached to the top of the dyed leather.

The invention also provides a leather processing technology, which comprises the following specific use steps:

step one: treating the raw hide; soaking and cleaning a leather raw material, and removing redundant grease and residual meat, and removing redundant hair impurities on the leather raw material to obtain a crude hide;

step two: pickling and acid treatment; adding alkali into the coarse peltry to expand the peltry, deliming and softening the peltry, and pickling leather to obtain secondary peltry;

step three: tanning treatment; adding a vegetable tanning agent into the secondary skin for tanning, converting the peltry into blue skin, carrying out layered flattening on the blue skin, re-tanning and drying to obtain tanned leather;

step four: dyeing; neutralizing the leather, placing the leather in a finished product dyeing box for dyeing, repeatedly squeezing out water after dyeing, drying the dyed leather, and performing coating forming;

step five: cutting and veneering; the dyed leather is cut into qualified leather products by the leather processing device, and the inner layer adhered with the adhesive is adhered to the back surface of the leather by the pressing roller, so that the finished leather is obtained.

The invention has the technical effects and advantages that:

the invention utilizes the matched arrangement mode of the sliding mechanism and the pressing mechanism, and the support bar can stably support the cut strip through the rotation of the screw rod, so that the cutting edge of the support bar can stably cut the dyed leather pressed on the base, and the arrangement of the pressing mechanism is convenient for carrying out inner lamination adhesion on the cut leather, thereby improving the stability of leather processing and the processing efficiency;

according to the invention, the setting mode of the limit mechanism and the positioning assembly is utilized, the leather is conveniently and stably pressed through the setting of the limit mechanism, so that the leather cannot move randomly in the processing process, the support bar can conveniently support the cutting bar at different angles through the rotation of the screw rod, the leather with different thicknesses can be conveniently and stably cut, the press roller can conveniently and stably set at different angles through the setting of the L-shaped rod, and the position of the L-shaped rod is conveniently fixed through the positioning assembly, so that the press roller can stably press the inner layers of the leather with different thicknesses.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the overall side cross-sectional structure of the present invention.

FIG. 3 is a schematic view of the front cross-sectional structure of the base of the present invention.

Fig. 4 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention.

Fig. 5 is a schematic view of a partial enlarged structure at B in fig. 4 according to the present invention.

FIG. 6 is a schematic side sectional view of the arcuate lever of the present invention.

FIG. 7 is a schematic diagram of the leather processing process flow of the present invention.

In the figure: 1. a base; 2. a protective box; 3. a transparent cover; 4. a limiting mechanism; 41. a hydraulic cylinder; 42. a pressing plate; 43. a screw; 44. a limiting block; 5. a sliding mechanism; 51. cutting grooves; 52. an operation groove; 53. a rack; 54. a cutting assembly; 541. a fixing plate; 542. a U-shaped block; 543. cutting into strips; 544. a blade; 545. a fixed block; 546. a support bar; 547. a sliding block; 548. a sliding groove; 549. a screw rod; 55. a gear; 56. a rotating shaft; 57. a servo motor; 58. a slide block; 6. a pressing mechanism; 61. a support rod; 62. an L-shaped rod; 63. a circular ring; 64. a round bar; 65. a press roller; 66. a positioning assembly; 661. a tension spring; 662. positioning nails; 67. an arc-shaped rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention provides a leather processing device and a processing technology thereof as shown in figures 1-7, comprising:

the base 1 is fixedly connected with a protective box 2 at the top, and the front surface of the protective box 2 is rotationally connected with a transparent box cover 3 through a hinge, so that the inner cavity of the protective box 2 is convenient to observe;

the inner cavity of the protective box 2 is provided with a limiting mechanism 4, the limiting mechanism 4 is used for limiting the positions of the dyed leather, the limiting mechanism 4 comprises a hydraulic cylinder 41, a pressing plate 42, two screws 43 and two limiting blocks 44, the hydraulic cylinder 41 is fixedly inserted into the top of the protective box 2, the pressing plate 42 is fixedly arranged at the bottom of a telescopic rod at the bottom of the hydraulic cylinder 41, the limiting blocks 44 are rotatably inserted and connected with the bottoms of the screws 43, the two screws 43 are respectively inserted and connected with two ends of the pressing plate 42 through threads, the distance between the limiting blocks 44 and the upper surface of the base 1 is convenient to adjust through rotation of the screws 43, leather with different thicknesses is convenient to process, the bottoms of the limiting blocks 44 are made of rubber materials, the limiting blocks 44 are attached to the tops of the dyed leather, and the limiting blocks 44 can stably press and limit the leather;

the front of the base 1 is provided with a sliding mechanism 5, the sliding mechanism 5 is used for cutting dyed leather, the sliding mechanism 5 comprises a cutting groove 51, an operating groove 52, a rack 53, a cutting assembly 54, a gear 55, a rotating shaft 56, a servo motor 57 and four sliding blocks 58, the cutting groove 51 is formed in the top of the base 1, the operating groove 52 is formed in one end of the cutting groove 51, and the operating groove 52 is a rectangular groove and is used for operating the cutting assembly 54;

the rack 53 is slidably connected with the inner cavity of the cutting groove 51, the cutting assembly 54 is arranged in the middle of the rack 53, the cutting assembly 54 is slidably connected with the inner cavity of the cutting groove 51, the rack 53 is meshed with the outer wall of the gear 55, the gear 55 is rotatably and alternately connected with the bottom of the cutting groove 51, the rotating shaft 56 is fixedly and alternately connected with the middle of the gear 55, the middle and one end of the rotating shaft 56 are rotatably and alternately connected with the middle of the base 1 through bearings respectively, the servo motor 57 is embedded in the inner cavity of the base 1, the output end of the servo motor 57 is in transmission connection with one end of the rotating shaft 56, the servo motor 57 is electrically connected with an external power supply through an external switch, four sliding blocks 58 are respectively fixed on two sides of two ends of the rack 53, the sliding blocks 58 are slidably connected with the inner wall of the cutting groove 51, the rack 53 can stably slide in the inner cavity of the cutting groove 51 through the arrangement of the sliding blocks 58, the rotating shaft 56 can stably drive the gear 55 to stably rotate through the driving of the servo motor 57, and the rack 53 can drive the gear 55 to stably move stably;

the cutting assembly 54 comprises a fixed plate 541, a U-shaped block 542, a cutting strip 543, a cutting edge 544, a fixed block 545, a supporting bar 546, a sliding block 547, a sliding groove 548 and a screw rod 549, wherein the fixed plate 541 is fixed at the middle part of the rack 53, the U-shaped block 542 is fixed at the middle part of the fixed plate 541, the bottom of the cutting strip 543 rotates at the middle part of the U-shaped block 542 through a pin, so that the cutting strip 543 can rotate, the cutting edge 544 is arranged at the top of the cutting strip 543, the cutting edge 544 can conveniently cut leather, the fixed block 545 is fixed at the middle part of the cutting strip 543, the supporting bar 546 rotates at the middle part of the fixed block 545 through a rotating pin, the bottom of the supporting bar rotates at the top of the sliding block 547 through the rotating pin, the sliding groove 548 is arranged at one end of the fixed plate 541, the screw rod 549 is in threaded penetrating connection with the middle part of the sliding block 547, the sliding block 547 is matched with the inner cavity structure of the sliding groove 548, the sliding block 547 can only horizontally slide in the inner cavity of the sliding groove 548, the sliding block 547 is in sliding connection with the inner cavity of the sliding groove, the sliding block 547 can conveniently stably slide along the two ends of the sliding bar 54549 through the rotating through the bearing 548, and the sliding bar 54549 can not stably rotate, and the supporting bar can conveniently stably slide along the supporting bar 54549 through the rotating and the sliding bar 547;

the sliding mechanism 5 is provided with a pressing mechanism 6, the pressing mechanism 6 is used for carrying out inner lamination pasting on the cut leather, the pressing mechanism 6 is fixed at one end of the cutting assembly 54, the pressing mechanism 6 is fixed at the other end of the fixing plate 541, the pressing mechanism 6 comprises a support rod 61, an L-shaped rod 62, a circular ring 63, a circular rod 64, two press rollers 65, a positioning assembly 66 and an arc rod 67, the support rod 61 is fixedly connected with the upper surface of the fixing plate 541, one end of the L-shaped rod 62 is rotatably connected with the top of the support rod 61 through a rotary nail, the top of the L-shaped rod 62 is fixedly connected with the outer wall of the circular ring 63, the circular rod 64 is fixedly connected with the middle of the circular ring 63, two ends of the circular rod 64 are rotatably connected with the middle of the two press rollers 65 through bearings respectively, the positioning assembly 66 is arranged at the top of the support rod 61, the arc rod 67 is fixed at the bottom of the L-shaped rod 62, the arc rod 67 is rotatably and alternately connected with the top of the support rod 61, the L-shaped rod 62 of being convenient for is stabilized at the top of branch 61 and is stabilized and rotate, positioning assembly 66 contains extension spring 661 and locating nail 662, the one end of extension spring 661 is in the one end fixed connection of locating nail 662, the other end of extension spring 661 and the outer wall fixed connection of branch 61, the inner chamber of extension spring 661 is located to the locating nail 662 cover, locating nail 662 is connected with the side slip interlude of branch 61, a plurality of locating holes have been seted up to the outer wall equidistance of arc pole 67, the inner chamber sliding connection of locating nail 662 and adjacent locating hole, elasticity through extension spring 661, the position stability of locating nail 662 of being convenient for makes its locating nail 662 can not roll off the inner chamber of locating hole at will, the compression roller 65 of being convenient for can stabilize and pressfitting inlayer and leather, make its cutting and leather inlayer's pressfitting go on in step, leather machining efficiency is improved.

The application method of the invention comprises the following steps:

treating the raw hide; soaking and cleaning a leather raw material, and removing redundant grease and residual meat, and removing redundant hair impurities on the leather raw material to obtain a crude hide;

pickling and acid treatment; adding alkali into the coarse peltry to expand the peltry, deliming and softening the peltry, and pickling leather to obtain secondary peltry;

tanning treatment; adding a vegetable tanning agent into the secondary skin for tanning, converting the peltry into blue skin, carrying out layered flattening on the blue skin, re-tanning and drying to obtain tanned leather;

dyeing; neutralizing the leather, placing the leather in a finished product dyeing box for dyeing, repeatedly squeezing out water after dyeing, drying the dyed leather, and performing coating forming;

cutting and veneering; cutting the dyed leather into qualified leather products by the leather processing device, and adhering an inner layer adhered with adhesive to the back of the leather by a pressing roll 65 to obtain finished leather;

when the leather processing device is used for leather processing, the leather after dyeing and finishing treatment in the fifth step is placed in the inner cavity of the protective box 2, the two limiting blocks 44 at the bottom of the screw 43 can be driven by the hydraulic cylinder 41 to respectively press and fix the two sides of the leather, so that the leather cannot move randomly, the rack 53 is moved, the cutting assembly 54 and the pressing mechanism 6 can be arranged in the inner cavity of the operating groove 52, the angle adjustment of the cutting strip 543 and the pressing roller 65 is convenient to carry out in the inner cavity of the operating groove 52, the screw 549 is rotated, the sliding block 547 is convenient to move to a proper position, the supporting strip 546 can be conveniently and stably supported by the supporting strip 546, the cutting edge 544 can be used for stably cutting the leather, the inner layer adhered with the adhesive is covered on the leather, the rack 53 is moved to the outer wall of the gear 55, the gear 55 is conveniently and stably rotated by the driving of the servo motor 57, the rack 53 can be conveniently and stably slide in the inner cavity of the cutting groove 51, the cutting edge 544 can stably cut the pressed leather, the pressing roller 65 can stably cut the inner layer of the leather, and the efficiency and the stability of leather processing are improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (10)

1. A leather processing apparatus, comprising:

the leather dyeing device comprises a base (1), wherein the top of the base is fixedly connected with a protective box (2), the front surface of the protective box (2) is rotatably connected with a transparent box cover (3) through a hinge, a limiting mechanism (4) is arranged in an inner cavity of the protective box (2), and the limiting mechanism (4) is used for limiting the position of dyed leather;

the leather dyeing machine is characterized in that a sliding mechanism (5) is arranged on the front face of the base (1), the sliding mechanism (5) is used for cutting dyed leather, a pressing mechanism (6) is arranged on the sliding mechanism (5), and the pressing mechanism (6) is used for carrying out inner lamination on the cut leather.

2. The leather processing device according to claim 1, wherein the sliding mechanism (5) comprises a cutting groove (51), an operation groove (52), a rack (53), a cutting assembly (54), a gear (55), a rotating shaft (56), a servo motor (57) and four sliding blocks (58), the cutting groove (51) is formed in the top of the base (1), the operation groove (52) is formed in one end of the cutting groove (51), the rack (53) is in sliding connection with an inner cavity of the cutting groove (51), the cutting assembly (54) is arranged in the middle of the rack (53), the rack (53) is connected with the outer wall of the gear (55) in a meshed mode, the rotating shaft (56) is fixedly connected with the middle of the gear (55) in a penetrating mode, the output end of the servo motor (57) is in transmission connection with one end of the rotating shaft (56), and the four sliding blocks (58) are respectively fixed on two sides of two ends of the rack (53).

3. The leather processing device according to claim 2, wherein the operation groove (52) is a rectangular groove, the cutting assembly (54) is slidably connected with the inner wall of the cutting groove (51), the gear (55) is rotatably and alternately connected with the bottom of the cutting groove (51), the middle part and one end of the rotating shaft (56) are rotatably and alternately connected with the middle part of the base (1) through bearings respectively, the servo motor (57) is embedded in the inner wall of the base (1), the sliding block (58) is slidably and alternately connected with the inner wall of the cutting groove (51), and the pressing mechanism (6) is fixed at one end of the cutting assembly (54).

4. A leather processing device according to claim 3, characterized in that the cutting assembly (54) comprises a fixing plate (541), a U-shaped block (542), a cutting strip (543), a cutting edge (544), a fixing block (545), a supporting bar (546), a sliding block (547), a sliding groove (548) and a screw rod (549), the fixing plate (541) is fixed at the middle part of the rack (53), the U-shaped block (542) is fixed at the middle part of the fixing plate (541), the bottom of the cutting strip (543) rotates at the middle part of the U-shaped block (542) through a pin, the cutting edge (544) is arranged at the top of the cutting strip (543), the fixing block (545) is fixed at the middle part of the cutting strip (543), the supporting bar (546) rotates at the middle part of the fixing block (545) through a rotating nail, the sliding groove (548) is arranged at one end of the fixing plate (541) through a rotating nail, the screw rod (547) is connected with the two ends of the sliding groove (547) through a threaded connection with the sliding groove (548).

5. A leather processing device according to claim 4, characterized in that the pressing mechanism (6) is fixed in the other end of fixed plate (541), the pressing mechanism (6) contains branch (61), L-shaped pole (62), ring (63), round bar (64), two compression rollers (65), locating component (66) and arc pole (67), the upper surface fixed connection of branch (61) and fixed plate (541), the top of branch (61) is rotated through the rotation nail to one end of L-shaped pole (62) and is connected, the top of L-shaped pole (62) is fixedly connected with the outer wall of ring (63), the middle part fixed connection of round bar (64) and ring (63), the both ends of round bar (64) are rotated through the middle part of bearing and two compression rollers (65) respectively and are connected, locating component (66) set up in the top of branch (61), arc pole (67) are fixed in the bottom of L-shaped pole (62).

6. The leather processing device according to claim 5, wherein the arc-shaped rod (67) is rotatably connected with the top of the supporting rod (61) in a penetrating manner, the positioning assembly (66) comprises a tension spring (661) and a positioning nail (662), one end of the tension spring (661) is fixedly connected with one end of the positioning nail (662), the other end of the tension spring (661) is fixedly connected with the outer wall of the supporting rod (61), and the positioning nail (662) is sleeved in the inner cavity of the tension spring (661).

7. The leather processing device according to claim 6, wherein the positioning nails (662) are connected with one side of the supporting rod (61) in a sliding and penetrating manner, a plurality of positioning holes are formed in the outer wall of the arc-shaped rod (67) at equal intervals, and the positioning nails (662) are connected with inner cavities of adjacent positioning holes in a sliding manner.

8. The leather processing device according to claim 2, wherein the limiting mechanism (4) comprises a hydraulic cylinder (41), a pressing plate (42), two screws (43) and two limiting blocks (44), the hydraulic cylinder (41) is fixedly inserted into the top of the protective box (2), the pressing plate (42) is fixedly inserted into the bottom of a telescopic rod at the bottom of the hydraulic cylinder (41), and the limiting blocks (44) are rotatably inserted and connected with the bottom of the screws (43).

9. The leather processing device according to claim 8, wherein two screw rods (43) are respectively connected with two ends of the pressing plate (42) in a threaded penetrating manner, the bottom of the limiting block (44) is made of rubber, and the limiting block (44) is attached to the top of the dyed leather.

10. A leather processing process according to any one of claims 1 to 9, comprising the specific steps of:

step one: treating the raw hide; soaking and cleaning a leather raw material, and removing redundant grease and residual meat, and removing redundant hair impurities on the leather raw material to obtain a crude hide;

step two: pickling and acid treatment; adding alkali into the coarse peltry to expand the peltry, deliming and softening the peltry, and pickling leather to obtain secondary peltry;

step three: tanning treatment; adding a vegetable tanning agent into the secondary skin for tanning, converting the peltry into blue skin, carrying out layered flattening on the blue skin, re-tanning and drying to obtain tanned leather;

step four: dyeing; neutralizing the leather, placing the leather in a finished product dyeing box for dyeing, repeatedly squeezing out water after dyeing, drying the dyed leather, and performing coating forming;

step five: cutting and veneering; the dyed leather is cut into qualified leather products by the leather processing device, and the inner layer adhered with the adhesive is adhered to the back of the leather by a pressing roller (65) to prepare the finished leather.