CN111534645A - Processing technology of sheep leather and sheep leather - Google Patents

Processing technology of sheep leather and sheep leather Download PDF

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Publication number
CN111534645A
CN111534645A CN202010387951.4A CN202010387951A CN111534645A CN 111534645 A CN111534645 A CN 111534645A CN 202010387951 A CN202010387951 A CN 202010387951A CN 111534645 A CN111534645 A CN 111534645A
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China
Prior art keywords
leather
blade
sheep
blades
motor
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CN202010387951.4A
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Chinese (zh)
Inventor
李海洋
朱梁
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Huainan Deyou Chemical Technology Co ltd
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Huainan Deyou Chemical Technology Co ltd
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Priority to CN202010387951.4A priority Critical patent/CN111534645A/en
Publication of CN111534645A publication Critical patent/CN111534645A/en
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    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/02—Fleshing, unhairing, samming, stretching-out, setting-out, shaving, splitting, or skiving skins, hides, or leather
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B7/00—Special leathers and their manufacture
    • C14B7/02—Composite leathers
    • C14B7/04—Composite leathers by cementing or pressing together leather pieces, strips or layers, Reinforcing or stiffening leather by means of reinforcing layers
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C1/00—Chemical treatment prior to tanning
    • C14C1/08—Deliming; Bating; Pickling; Degreasing
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C11/00—Surface finishing of leather
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

The invention belongs to the technical field of sheep leather, and particularly relates to a processing technology of sheep leather and sheep leather, wherein a slotting device used in the technology comprises a first plate, two second plates are fixed at the bottom end of the first plate, a sliding groove is formed in one side, close to each other, of each second plate, sliding blocks are movably installed in the two sliding grooves, a first motor is fixed on the side wall of each second plate, a first screw rod is fixed at the output shaft end of the first motor, and one end, far away from the corresponding first motor, of the first screw rod is rotatably installed at one end, far away from the first motor, of the sliding groove; according to the invention, the grooves are formed in the surface of the sheep leather, and the glue is filled in the grooves, so that the leather part of the sheep leather is divided into a plurality of parts, the appearance of the sheep leather is ensured to meet the requirements of the sheep leather, and meanwhile, the sheep leather can be locally maintained and replaced when damaged, thereby improving the practicability of the sheep leather and reducing the damage to sheep.

Description

Processing technology of sheep leather and sheep leather
Technical Field
The invention belongs to the technical field of sheep leather, and particularly relates to a processing technology of sheep leather and sheep leather.
Background
The leather is animal leather which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and not easy to rot, and the surface of the leather is provided with a special grain layer which has natural grains and luster and comfortable hand feeling. The leather processing technology mainly comprises two working procedures: water fields and dry fields. The water field mainly comprises soaking, unhairing, deliming, alcoholysis, pickling, chrome tanning, dyeing, fatting and skin stretching, and the semi-finished skin after skin stretching can be directly used for producing suede and fur-hammer skins; the dry field mainly comprises the steps of rewetting, milling or softening, buffing, surface coating and embossing, and finally the finished leather is obtained.
The sheep leather features fine grain, fine and dense pores, small and unobvious nipple on grain surface, and less wrinkles on grain surface, so it is finer than goat leather. The surface is thin, the fiber bundles are tightly interwoven, the finished leather has smooth hand feeling, good extensibility and elasticity, but poor strength. The grain surface layer is connected with the reticular layer weakly and is easy to peel, and finished leather is easy to loosen and loose.
Some technical schemes related to the sheep leather also appear in the prior art, for example, a Chinese patent with application number of 2019110109107 discloses a sheep leather processing technology and the sheep leather, and the technical scheme has the advantages that the liquid ratio is reduced, the water consumption is reduced, the energy is saved, and the emission is reduced by improving the operation environment of the soaking step; according to the method, manual brushing is replaced by mechanical operation, so that the alkali spraying amount is easier to control, the use amounts of sodium sulfide and calcium hydroxide are reduced, but the fragile characteristic of the sheep leather is not changed, and the sheep leather cannot be used once being damaged when acting on a luggage, so that waste is easily caused.
Disclosure of Invention
In order to make up for the defects of the prior art, the processing technology of the sheep leather and the sheep leather provided by the invention have the advantages that the surface of the sheep leather is grooved, and glue is filled in the grooves, so that the leather part of the sheep leather is divided into a plurality of parts, the appearance of the sheep leather is ensured to meet the requirements of the sheep leather, and meanwhile, the sheep leather can be locally maintained and replaced when being damaged, so that the practicability of the sheep leather is improved, and the sheep harm is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a processing technology of sheep leather and sheep leather, comprising the following steps:
s1: removing wool, fat, intradermal glands and soluble protein on the sheepskin through a preparation stage, treating collagen fibers of the sheepskin, and tanning the sheepskin to change the collagen fibers of the sheepskin into leather, so that the sheepskin is changed from leather to single-layer leather;
s2: bonding the single-layer leather in the S1 with the base cloth through an adhesive to obtain multi-layer leather, placing the multi-layer leather on a workbench, and performing slotting treatment on the multi-layer leather by using a slotting device, wherein a first blade lines the multi-layer leather into two notches during slotting, and a second blade scoops up the redundant multi-layer leather to form a groined groove on the surface of the multi-layer leather to obtain a semi-finished product, and the multi-layer leather is processed by the slotting device to form a groove, and simultaneously the single-layer leather forms a plurality of blocky independent structures, so that later maintenance and replacement are facilitated;
s3: putting the semi-finished product in the step S2 into a filling workshop, filling glue into the grooves of the semi-finished product to fill the grooves on the semi-finished product, keeping the surface of the semi-finished product flat to obtain the whole piece of sheep leather, and filling the glue into the grooves to flatten the surface of the multi-layer leather, so that the appearance integrity and the attractiveness of the sheep leather are ensured;
s4: the surface color of the sheep leather in the S3 is made uniform by finishing treatment, a finished product is obtained, the finished product has no obvious difference with the complete sheep leather, but the sheep leather can be maintained and partially replaced, thereby improving the practicability of the invention, and the finished product is put into a warehouse for storage;
the slotting device used in S2 comprises a first plate, two second plates are fixed at the bottom end of the first plate, sliding grooves are formed in one sides, close to each other, of the two second plates, sliding blocks are movably installed in the two sliding grooves, a first motor is fixed on the side walls of the two second plates, a first screw rod is fixed at the output shaft end of the first motor, one end, far away from the corresponding first motor, of the first screw rod is rotatably installed at one end, far away from the first motor, of the sliding grooves, the first screw rod is in threaded connection with the sliding blocks, a second motor is fixed on one sliding block, a second screw rod is fixed at the output shaft end of the second motor, one end, far away from the second motor, of the second screw rod is rotatably installed on the other sliding block, a limiting rod is fixed between the two sliding blocks, a moving block is in threaded connection with the surface of the second screw rod, and the limiting, the limiting rod is used for limiting the moving block, a circular truncated cone is rotatably mounted at the bottom end of the moving block, two first blades are fixed at one end, away from the moving block, of the circular truncated cone, two rectangular plates are fixed at one sides, away from each other, of the first blades, two second blades are rotatably mounted between the rectangular plates on the first blades and are perpendicular to the first blades, round rods are arranged on the second blades and are used for limiting the second blades, two pressing wheels are rotatably connected to one sides, away from each other, of the first blades, a controller is arranged on the first plate and is used for controlling the grooving device to work; when the bag is used, the sheep leather has smooth hand feeling, good extensibility and elasticity, but poor strength, and is easy to scratch and wear when encountering external force, so that the sheep leather is limited to be used in a large range when being used for manufacturing a bag material, and the problem is improved by the invention; when manufacturing the sheep leather, placing a plurality of layers of leather on a workbench, adjusting the positions of the plurality of layers of leather, and starting a slotting device; after the slotting device is started, the second motor drives the second screw to rotate, so that the moving block moves along the length direction of the second screw, and the first blade and the second blade at the bottom end of the moving block synchronously move; the first blade marks two cutting seams on the surface of the multilayer leather in the moving process, and the second blade is inserted into the multilayer leather to scoop the multilayer leather; the cutting depth of the second blade is consistent with that of the first blade, so that a rectangular long groove is formed on the surface of the multi-layer leather; when the moving block moves to the other end of the multilayer leather, the first motor drives the first screw rod to rotate, so that the sliding block moves in the sliding groove, and the sliding block of the moving block moves along the length direction of the first screw rod; then a second motor drives the moving block to move reversely, so that the first blade and the second blade form a long groove on the surface of the multilayer leather; after slotting in the same direction, rotating the circular truncated cone to enable the first blade and the second blade to rotate 90 degrees, and then repeating the same operation to slot on the surface of the multilayer leather until a plurality of groined grooves are formed on the surface of the multilayer leather; when the grooves are formed, the pressing wheels press the multiple layers of leather, so that the leather flanging at the edges of the grooves is avoided during the grooves forming, and the quality of the leather is influenced; according to the invention, the grooving treatment is carried out on the surface of the multi-layer leather by the first blade and the second blade, so that the groined-shaped groove is formed on the surface of the multi-layer leather, and the production of the sheep leather is facilitated.
Preferably, the second blade is in a triangular structure, the rotating center of the second blade is positioned at the top of the second blade, and the mass of the bottom of the second blade is greater than that of the top of the second blade; when the cutting device is used, the second blade is in a triangular structure, so that the second blade has a good cutting effect, only one of the two second blades is in a grooving state, and the other second blade moves on the surface of the multilayer leather; in the process of rotating the second blade, the gravity center of the second blade moves upwards, and meanwhile, the lowest point of the second blade moves upwards, so that the distance between the second blade and the multilayer leather is pulled up, the strong extrusion between the second blade and the multilayer leather is avoided, the damage of the second blade to the multilayer leather is avoided, and the moving smoothness of the second blade is improved; the gravity center of the second blade is deviated from one end of the cutting edge of the second blade, so that the second blade is naturally in a cutting state under the action of the gravity center, the cutting effect of the second blade is guaranteed, and the problem of slotting failure caused by the angle deviation of the second blade is avoided.
Preferably, more than two third blades are arranged on one side, away from the first blade, of the second blade along the length direction of the second blade, and the bottom ends of the third blades are parallel to the first plate; when the leather cutting device is used, the second blade scoops up the surface of the multilayer leather when the groove is formed, and the wider base cloth can generate larger resistance to the second blade when the base cloth is scooped up, so that the scooping efficiency of the second blade is reduced; through being provided with No. three blades, make No. three blades enter into multilayer leather inside because of rotating the back at the gliding No. two blades in multilayer leather surface to make No. three blades cut out many joint-cuts on multilayer leather surface when removing, thereby make the area of contact that gets into No. two blades of multilayer leather inside when removing and multilayer leather reduce, thereby improved the efficiency of passing through of No. two blades, guaranteed that No. two blades are shoveled unnecessary part in multilayer leather surface smoothly.
Preferably, the distance between the first blades is 5-8mm, and the thickness of the first blades is 1-2 mm; when the slotting device is used, if the width of the groove at the slotting position is wider, the proportion of real leather in the sheep leather is reduced, and the use experience of the leather is reduced; the proportion of the dermis is improved by shortening the blade between the blades I, so that the dermis hand feeling and the use experience of the sheep leather are ensured.
Preferably, a plane formed by the lowest points of the two pinch rollers on the same side of the first blade and the lowest point of the second blade is perpendicular to the first plate, and the height of the lowest point of the pinch rollers is higher than that of the lowest point of the second blade; during the use, No. two blades exert tangential force to the multilayer leather when the fluting, thereby make the multilayer leather cut off, the tangential force that No. two blades were exerted makes the multilayer leather probably produce distortion or displacement, thereby influence the cutting of leather, establish pinch roller and No. two blades on the coplanar, make the part between the pinch roller just in time be No. two blades and multilayer leather contact segment, thereby make No. two blades multilayer leather be in the state of compressing tightly constantly when the cutting, guaranteed that the multilayer leather can not produce the distortion, thereby slotted success rate has been guaranteed.
The sheep leather is suitable for any one of the sheep leather processing technologies, and comprises base cloth, a leather layer and glue, wherein the base cloth and the leather layer are bonded together through a bonding agent, a groove is formed in the sheep leather, and the glue is filled in the groove; through slotting on the surface of the sheep leather, the real leather part of the sheep leather is cut into a plurality of parts, and the sheep leather can be locally maintained and replaced after scratches or damages are generated on the surface of the sheep leather, so that the waste of the whole case is avoided, the consumption burden of consumers is reduced, the harm to animals is reduced, and the ecological balance is protected.
The invention has the following beneficial effects:
1. according to the processing technology of the sheep leather and the sheep leather, the surface of the sheep leather is grooved, and the grooves are filled with the glue, so that the leather part of the sheep leather is divided into a plurality of parts, the appearance of the sheep leather is ensured to meet the requirements of the sheep leather, and meanwhile, the sheep leather can be locally maintained and replaced when damaged, so that the practicability of the sheep leather is improved, and the sheep harm is reduced.
2. According to the processing technology of the sheep leather and the sheep leather, the slotting device used in the technology improves the slotting efficiency through the cooperation of the first blade and the second blade, simultaneously ensures the slotting effect, avoids the sheep leather from being damaged in the slotting process, and accordingly improves the processing efficiency of the sheep leather.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the preparation of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a three-dimensional view of a grooving apparatus for use in the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of the operation of the grooving apparatus used in the present invention;
in the figure: the device comprises a first plate 1, a second plate 2, a sliding groove 3, a sliding block 4, a first motor 5, a first screw 6, a second motor 7, a second screw 8, a limiting rod 9, a moving block 10, a circular table 11, a first blade 12, a rectangular plate 13, a second blade 14, a circular rod 15, a pressing wheel 16, a third blade 17, base cloth 18, a leather layer 19 and glue 20.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the processing process of the present invention comprises the following steps:
s1: removing wool, fat, intradermal glands and soluble protein on the sheepskin through a preparation stage, treating collagen fibers of the sheepskin, and tanning the sheepskin to change the collagen fibers of the sheepskin into leather, so that the sheepskin is changed from leather to single-layer leather;
s2: bonding the single-layer leather in the S1 with the base cloth 18 through an adhesive to obtain multi-layer leather, placing the multi-layer leather on a workbench, and performing slotting treatment on the multi-layer leather by using a slotting device, wherein the first blade 12 cuts the multi-layer leather into two notches during slotting, and the second blade 14 scoops up the redundant multi-layer leather to form a groined groove on the surface of the multi-layer leather to obtain a semi-finished product, the slotting device is used for treating the multi-layer leather to form a groove, and the single-layer leather forms a plurality of blocky independent structures, so that later maintenance and replacement are facilitated;
s3: putting the semi-finished product in the step S2 into a filling workshop, filling glue 20 into the grooves of the semi-finished product to fill the grooves on the semi-finished product, keeping the surface of the semi-finished product flat to obtain the whole piece of sheep leather, and filling the glue 20 into the grooves to flatten the surface of the multi-layer leather, so that the appearance integrity and the attractiveness of the sheep leather are ensured;
s4: the surface color of the sheep leather in the S3 is made uniform by finishing treatment, a finished product is obtained, the finished product has no obvious difference with the complete sheep leather, but the sheep leather can be maintained and partially replaced, thereby improving the practicability of the invention, and the finished product is put into a warehouse for storage;
wherein, the slotting device used in S2 comprises a first plate 1, two second plates 2 are fixed at the bottom end of the first plate 1, sliding grooves 3 are arranged at the mutually close sides of the two second plates 2, sliding blocks 4 are movably arranged in the two sliding grooves 3, a first motor 5 is fixed on the side walls of the two second plates 2, a first screw 6 is fixed at the output shaft end of the first motor 5, one end of the first screw 6, far away from the corresponding first motor 5, is rotatably arranged at one end of the sliding groove 3, far away from the first motor 5, and is in threaded connection with the sliding blocks 4, a second motor 7 is fixed on one sliding block 4, a second screw 8 is fixed at the output shaft end of the second motor 7, one end of the second screw 8, far away from the second motor 7, is rotatably arranged on the other sliding block 4, and a limiting rod 9 is fixed between the two sliding blocks 4, the surface of the second screw 8 is in threaded connection with a moving block 10, the limiting rod 9 penetrates through the moving block 10, the limiting rod 9 is used for limiting the moving block 10, a circular truncated cone 11 is rotatably installed at the bottom end of the moving block 10, two first blades 12 are fixed at one ends, far away from the moving block 10, of the circular truncated cone 11, two rectangular plates 13 are fixed at one sides, far away from each other, of the two first blades 12, two second blades 14 are rotatably installed between the rectangular plates 13 on the two first blades 12, the second blades 14 are perpendicular to the first blades 12, round rods 15 are arranged on the second blades 14, the round rods 15 are used for limiting the second blades 14, two pressing wheels 16 are rotatably connected at one sides, far away from each other, of the two first blades 12, a controller is arranged on the first plate 1, and the controller is used for controlling the grooving device to work; when the bag is used, the sheep leather has smooth hand feeling, good extensibility and elasticity, but poor strength, and is easy to scratch and wear when encountering external force, so that the sheep leather is limited to be used in a large range when being used for manufacturing a bag material, and the problem is improved by the invention; when manufacturing the sheep leather, placing a plurality of layers of leather on a workbench, adjusting the positions of the plurality of layers of leather, and starting a slotting device; after the slotting device is started, the second motor 7 drives the second screw 8 to rotate, so that the moving block 10 moves along the length direction of the second screw 8, and the first blade 12 and the second blade 14 at the bottom end of the moving block 10 move synchronously; the first blade 12 cuts two incisions on the surface of the multilayer leather in the moving process, and the second blade 14 is inserted into the multilayer leather so that the multilayer leather is scooped up; the cutting depth of the second blade 14 is consistent with that of the first blade 12, so that a rectangular long groove is formed on the surface of the multi-layer leather; when the moving block 10 moves to the other end of the multilayer leather, the first motor 5 drives the first screw 6 to rotate, so that the sliding block 4 moves in the sliding groove 3, and the sliding block 4 of the moving block 10 moves along the length direction of the first screw 6; then, the second motor 7 drives the moving block 10 to move reversely, so that the first blade 12 and the second blade 14 form a long groove on the surface of the multilayer leather; after slotting in the same direction, rotating the circular table 11 to enable the first blade 12 and the second blade 14 to rotate 90 degrees, and then repeating the same operation to slot on the surface of the multilayer leather until a plurality of groined grooves are formed on the surface of the multilayer leather; when the grooves are formed, the pressing wheels 16 press the multiple layers of leather, so that the leather flanging at the edges of the grooves is avoided during the grooves forming, and the quality of the leather is influenced; according to the invention, the grooving treatment is carried out on the surface of the multi-layer leather by the first blade 12 and the second blade 14, so that a groined groove is formed on the surface of the multi-layer leather, and the production of the sheep leather is facilitated.
As a specific embodiment of the present invention, the second blade 14 is in a triangular structure, the rotation center of the second blade 14 is located at the top of the second blade 14, and the mass of the bottom of the second blade 14 is greater than that of the top thereof; when the leather cutting device is used, the second blade 14 is in a triangular structure, so that the second blade 14 has a good cutting effect, only one of the two second blades 14 is in a grooving state, and the other second blade 14 moves on the surface of the multilayer leather; in the process of rotating the second blade 14, the gravity center of the second blade 14 moves upwards, and meanwhile, the lowest point of the second blade 14 moves upwards, so that the distance between the second blade 14 and the multilayer leather is increased, strong extrusion between the second blade 14 and the multilayer leather is avoided, further damage of the second blade 14 to the multilayer leather is avoided, and the moving smoothness of the second blade 14 is improved; the gravity center of the second blade 14 is deviated to one end of the cutting edge of the second blade, so that the second blade 14 is naturally in a cutting state under the action of the gravity center, the cutting effect of the second blade 14 is ensured, and the problem of slotting failure caused by the angle deviation of the second blade 14 is solved.
As a specific embodiment of the present invention, two or more third blades 17 are arranged along the length direction of the second blade 14 on the side away from the first blade 12, and the bottom ends of the third blades 17 are parallel to the first plate 1; when the leather shoveling device is used, the second blade 14 shovels a plurality of layers of leather surfaces when the grooves are formed, and the wider base cloth 18 generates larger resistance to the second blade 14 when the base cloth is shoveled, so that the shoveling efficiency of the second blade 14 is reduced; through being provided with No. three blade 17, make No. three blade 17 enter into multilayer leather inside No. two gliding blades 14 in multilayer leather surface because of rotating the back to make No. three blade 17 cut out many kerfs on multilayer leather surface when removing, thereby make the area of contact that gets into No. two blades 14 of multilayer leather inside when removing and multilayer leather reduce, thereby improved No. two blade 14's the efficiency of passing through, guaranteed No. two blade 14 and shoveled the unnecessary part in multilayer leather surface smoothly.
As a specific embodiment of the present invention, the distance between the first blades 12 is 5-8mm, and the thickness of the first blades 12 is 1-2 mm; when the slotting device is used, if the width of the groove at the slotting position is wider, the proportion of real leather in the sheep leather is reduced, and the use experience of the leather is reduced; the proportion of the genuine leather is improved by shortening the first blades 12, so that the genuine leather hand feeling and the use experience of the sheep leather are guaranteed.
As a specific embodiment of the present invention, a plane formed by the lowest point of the two pinch rollers 16 on the same side of the two first blades 12 and the lowest point of the second blade 14 is perpendicular to the first plate 1, and the height of the lowest point of the pinch rollers 16 is higher than the height of the lowest point of the second blade 14; during the use, No. two blades 14 exert tangential force to multilayer leather when the fluting, thereby make multilayer leather cut off, the tangential force that No. two blades 14 were exerted makes multilayer leather probably produce distortion or displacement, thereby influence the cutting of leather, establish pinch roller 16 and No. two blades 14 on the coplanar, make the part between pinch roller 16 just in time be No. two blades 14 and multilayer leather contact part, thereby make No. two blades 14 when the cutting multilayer leather be in the compression state constantly, guaranteed that multilayer leather can not produce the distortion, thereby the success rate of fluting has been guaranteed.
The sheep leather is suitable for any one of the sheep leather processing technologies, and comprises a base cloth 18, a leather layer 19 and glue 20, wherein the base cloth 18 and the leather layer 19 are bonded together through an adhesive, grooves are formed in the sheep leather, and the glue 20 is filled in the grooves; through slotting on the surface of the sheep leather, the real leather part of the sheep leather is cut into a plurality of parts, and the sheep leather can be locally maintained and replaced after scratches or damages are generated on the surface of the sheep leather, so that the waste of the whole case is avoided, the consumption burden of consumers is reduced, the harm to animals is reduced, and the ecological balance is protected.
When the bag is used, the sheep leather has smooth hand feeling, good extensibility and elasticity, but poor strength, and is easy to scratch and wear when encountering external force, so that the sheep leather is limited to be used in a large range when being used for manufacturing a bag material, and the problem is improved by the invention; when manufacturing the sheep leather, placing a plurality of layers of leather on a workbench, adjusting the positions of the plurality of layers of leather, and starting a slotting device; after the slotting device is started, the second motor 7 drives the second screw 8 to rotate, so that the moving block 10 moves along the length direction of the second screw 8, and the first blade 12 and the second blade 14 at the bottom end of the moving block 10 move synchronously; the first blade 12 cuts two incisions on the surface of the multilayer leather in the moving process, and the second blade 14 is inserted into the multilayer leather so that the multilayer leather is scooped up; the cutting depth of the second blade 14 is consistent with that of the first blade 12, so that a rectangular long groove is formed on the surface of the multi-layer leather; when the moving block 10 moves to the other end of the multilayer leather, the first motor 5 drives the first screw 6 to rotate, so that the sliding block 4 moves in the sliding groove 3, and the sliding block 4 of the moving block 10 moves along the length direction of the first screw 6; then, the second motor 7 drives the moving block 10 to move reversely, so that the first blade 12 and the second blade 14 form a long groove on the surface of the multilayer leather; after slotting in the same direction, rotating the circular table 11 to enable the first blade 12 and the second blade 14 to rotate 90 degrees, and then repeating the same operation to slot on the surface of the multilayer leather until a plurality of groined grooves are formed on the surface of the multilayer leather; when the grooves are formed, the pressing wheels 16 press the multiple layers of leather, so that the leather flanging at the edges of the grooves is avoided during the grooves forming, and the quality of the leather is influenced; according to the invention, the grooving treatment is carried out on the surface of the multi-layer leather by the first blade 12 and the second blade 14, so that a groined groove is formed on the surface of the multi-layer leather, and the production of the sheep leather is facilitated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The processing technology of the sheep leather is characterized by comprising the following steps:
s1: removing wool, fat, intradermal glands and soluble protein on the sheepskin through a preparation stage, treating collagen fibers of the sheepskin, and tanning the sheepskin to change the collagen fibers of the sheepskin into leather, so that the sheepskin is changed from leather to single-layer leather;
s2: bonding the single-layer leather in the S1 with a base cloth (18) through an adhesive to obtain a plurality of layers of leather, then placing the plurality of layers of leather on a workbench, and carrying out slotting treatment on the plurality of layers of leather by using a slotting device, wherein a first blade (12) cuts the plurality of layers of leather into two openings during slotting, and a second blade (14) scoops up the redundant plurality of layers of leather to form a groined groove on the surface of the plurality of layers of leather to obtain a semi-finished product;
s3: putting the semi-finished product in the step S2 into a filling workshop, filling glue (20) into the grooves of the semi-finished product, so that the grooves on the semi-finished product are filled, and the surface of the semi-finished product is kept flat, thereby obtaining the whole piece of sheep leather;
s4: finishing the sheep leather in the step S3 to make the surface color of the sheep leather uniform to obtain a finished product, and storing the finished product in a warehouse;
wherein, the slotting device used in S2 comprises a first plate (1), two second plates (2) are fixed at the bottom end of the first plate (1), a sliding groove (3) is arranged at one side of the two second plates (2) close to each other, a sliding block (4) is movably installed in each sliding groove (3), a first motor (5) is fixed on the side wall of each of the two second plates (2), a first screw rod (6) is fixed at the output shaft end of the first motor (5), one end, far away from the corresponding first motor (5), of the first screw rod (6) is rotatably installed at one end, far away from the first motor (5), of the sliding groove (3), the first screw rod (6) is in threaded connection with the sliding block (4), one of the sliding blocks (4) is fixedly provided with a second motor (7), the output shaft end of the second motor (7) is fixedly provided with a second screw rod (8), one end, far away from the second motor (7), of the second screw rod (8) is rotatably installed on the other sliding block (4), a limiting rod (9) is fixed between the two sliding blocks (4), a moving block (10) is connected to the surface of the second screw rod (8) in a threaded manner, the limiting rod (9) penetrates through the moving block (10), the limiting rod (9) is used for limiting the moving block (10), a circular table (11) is rotatably installed at the bottom end of the moving block (10), two first blades (12) are fixed to one ends, far away from the moving block (10), of the circular table (11), two rectangular plates (13) are fixed to one sides, far away from each other, of the two first blades (12), two second blades (14) are rotatably installed between the rectangular plates (13) on the two first blades (12), the second blades (14) are perpendicular to the first blades (12), a round rod (15) is arranged on the second blades (14), and the round rod (15) is used for limiting the second blades (14), two one side that blade (12) keep away from each other is rotated and is connected with two pinch rollers (16), be equipped with the controller on one board (1), the controller is used for controlling the device work of slotting.
2. The process for processing sheep leather according to claim 1, which is characterized by comprising the following steps: the second blade (14) is of a triangular structure, the rotating center of the second blade (14) is located at the top of the second blade (14), and the mass of the bottom of the second blade (14) is larger than that of the top of the second blade.
3. The process for processing sheep leather as claimed in claim 2, wherein: and more than two third blades (17) are arranged on one side, away from the first blade (12), of the second blade (14) along the length direction of the second blade, and the bottom ends of the third blades (17) are parallel to the first plate (1).
4. The process for processing sheep leather according to claim 3, which is characterized by comprising the following steps: the distance between the first blades (12) is 5-8mm, and the thickness of the first blades (12) is 1-2 mm.
5. The process for processing sheep leather as claimed in claim 2, wherein: the plane formed by the lowest points of the two pinch rollers (16) on the same side of the first blade (12) and the lowest point of the second blade (14) is vertical to the first plate (1), and the height of the lowest point of the pinch rollers (16) is higher than that of the lowest point of the second blade (14).
6. A process for the production of a sheepskin leather suitable for use in the process of any one of claims 1 to 5, wherein: the leather comprises base cloth (18), a leather layer (19) and glue (20), wherein the base cloth (18) and the leather layer (19) are bonded together through an adhesive, a groove is formed in the sheep leather, and the glue (20) is filled in the groove.
CN202010387951.4A 2020-05-09 2020-05-09 Processing technology of sheep leather and sheep leather Withdrawn CN111534645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010387951.4A CN111534645A (en) 2020-05-09 2020-05-09 Processing technology of sheep leather and sheep leather

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010387951.4A CN111534645A (en) 2020-05-09 2020-05-09 Processing technology of sheep leather and sheep leather

Publications (1)

Publication Number Publication Date
CN111534645A true CN111534645A (en) 2020-08-14

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Application Number Title Priority Date Filing Date
CN202010387951.4A Withdrawn CN111534645A (en) 2020-05-09 2020-05-09 Processing technology of sheep leather and sheep leather

Country Status (1)

Country Link
CN (1) CN111534645A (en)

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