40results about "Leather manufacturing" patented technology

The utility model relates to the technical field of shoveling machines, in particular to a shoveling machine which comprises a machine table box, a shoveling mechanism is fixedly connected to the center of the top of the machine table box, a reciprocating lead screw is rotatably connected to the center of the bottom of the inner wall of the machine table box, and guide levers are fixedly connected to the two sides of the bottom of the inner wall of the machine table box. And the outer walls of the two guide levers are jointly connected with a sliding seat in a sliding manner. The device has the advantages that the reciprocating lead screw rotates to drive the sliding seat to slide left and right in a reciprocating manner, so that the collecting box is driven to slide left and right in a reciprocating manner, the position of materials discharged by the shoveling mechanism and the corresponding position of the collecting box are continuously changed in a reciprocating manner, and discharged impurities enter the collecting box more uniformly; and the lifting height of the supporting frame is controlled through the two telescopic air cylinders, so that the height of the portion, protruding out of the top face of the supporting frame, of the shoveling cutter wheel is controlled, the shoveling thickness is adjusted, and the use shape is improved.

The utility model relates to leather processing technical field, concretely is a kind of quick splitting device for leather processing, including rack, first feeding roller and second feeding roller are rotatably installed on the rack, knife rest is slidably installed on rack, and cutting knife is equipped on the knife rest, first cleaning mechanism for cutting knife cleaning is equipped on the knife rest, second cleaning mechanism for the cleaning of first feeding roller and second feeding roller is equipped on the rack;First cleaning mechanism includes the mobile seat of sliding installation on the knife rest, and screw rod is rotatably installed in the knife rest, cleaning block is slidably installed in the mobile seat, and cleaning block and cutting knife two side surfaces are attached setting. Through the synchronous cooperation of mobile seat, cleaning block and cutting knife in first cleaning mechanism, the fibre and chippings attached to the blade two sides can be continuously and automatically removed, cleaning cylinder, brush, scraper in second cleaning mechanism act on the surface of first feeding roller and second feeding roller synchronously, and the residues in the clearance area between its surface and cutting knife are cleaned in time.

The utility model relates to the technical field of leather processing, in particular to a leather wringing machine for leather processing, which comprises a base, a wind-up roll assembly and a dehairing assembly, both sides of the top of the base are connected with support frames through bolts, the wind-up roll assembly is rotatably connected between the support frames, and the dehairing assembly is connected with the wind-up roll assembly through bolts. A pressing roller is slidably connected between the supporting frames and located at the top of the winding roller assembly, and a dehairing assembly is arranged at the position, located at the bottom of the winding roller assembly, of the top of the base; the dehairing assembly comprises a flow guide plate, the top of the flow guide plate is connected with a scraper blade through a bolt, and the bottom of the flow guide plate is connected with a rotating seat through welding; by additionally arranging the auxiliary dehairing mechanism, auxiliary dehairing and dehairing treatment are carried out on the surface of leather at the same time in the process of wringing and rolling the leather, the functionality of the wringing machine is improved, extruded water and cow hair can be recycled through flow guiding, pollution to the working environment is reduced, and therefore the using effect is improved.

The invention provides a primary processing production line for leather preparation and a preparation technology, and belongs to the field of leather preparation. Comprising guide rails and a fixing shell, dipping equipment, tanning equipment, shaving equipment and dyeing equipment are arranged between the guide rails, the guide rails are sleeved with the fixing shell, a walking assembly is arranged in the fixing shell, a circular plate is movably connected to the top face of the fixing shell, a bottom plate is fixedly connected to the top face of the circular plate, and a steering assembly is arranged on the side wall of the circular plate. The walking assembly and the guide rail are arranged, the first motor drives the movable shaft to rotate, and the movable shaft can achieve simultaneous rotation of the two driving wheels through transmission of the first belt wheel and the first belt; the driving wheel moves on the guide rail, so that automatic transfer operation of leather among the soaking equipment, the tanning equipment, the shaving equipment and the dyeing equipment can be realized, the labor intensity of manual operation is reduced, and the processing efficiency is improved.

The invention provides a multi-station hot-pressing shaping device for leather sheath production, and relates to the technical field of leather sheath hot-pressing shaping, the multi-station hot-pressing shaping device comprises a cabinet and a protection cabinet arranged at the top of the cabinet, a first motor is mounted at the bottom of an inner cavity of the cabinet, an output shaft of the first motor penetrates through the cabinet and is connected with a turntable, and a plurality of supporting seats are arranged at the top of the turntable; the top of the supporting base is provided with a lower die, and the top of the cabinet is provided with a hot-pressing shaping structure located on one side of the rotating disc. According to the hot-pressing device, through the arrangement of the rotating disc and the multiple supporting bases and the multiple lower dies which are arranged on the rotating disc, the multiple lower dies are annularly arranged, through the design, all the lower dies can continuously and orderly conduct hot-pressing operation, and after one lower die completes hot pressing, the rotating disc drives the rotating disc to rotate so as to switch the machining position; and meanwhile, a new to-be-processed leather sheath can immediately enter the processing area of the hot-pressing shaping structure for hot pressing, so that the production period is shortened, and the production efficiency of the leather sheath is improved.

The utility model provides a luggage leather fabric thickness processing device, which relates to the technical field of luggage processing, and comprises a mounting frame, a winding part, a fixed plate, a movable plate, a top cylinder, a first motor, a sliding block, a sliding chute, a mounting groove, an air cylinder, a roller, a sliding frame and a baffle plate, a guide rod in sliding connection with the sliding frame is arranged between the mounting frame and the baffle, a fixing base is arranged at the bottom of the sliding frame, a second motor is arranged on the baffle, a lead screw is arranged at the output end of the second motor and is in threaded connection with the fixing base, and a grinding roller is rotationally connected to the sliding frame. When the leather processing device is used, leather can be processed to be uniform in thickness, the leather processing efficiency is improved through rotation of the two material pipes, the leather can be processed to be various in thickness by adjusting the distance between the grinding roller and the roller, and the leather processing device is convenient to use and high in practicability. Usage is convenient and a processing effect is good.

The utility model relates to the technical field of leather processing, and discloses a leather splitting machine which comprises a base, a conveying assembly is installed in the middle of the top wall of the base, access doors are arranged at the left end and the right end of the middle of the front side of the outer wall of the base, and stand columns are fixedly connected to the front side and the rear side of the outer wall of the base. A motor is arranged on the lower middle portion of the rear side of the outer wall of the stand column, a rotating shaft is fixedly connected to the output end of the motor, worms are fixedly connected to the front end and the rear end of the outer wall of the rotating shaft, worm wheels are connected to the left sides of the outer walls of the worms in an engaged mode, and lead screws are fixedly connected to the middles of the top walls of the worm wheels. According to the leather splitting machine, leather is conveyed into a splitting area through the conveying assembly, the motor drives the rotating shaft to rotate, the rotating shaft drives the worm to rotate, the worm drives the worm gear to rotate, the worm gear drives the transmission lead screw to rotate, the lead screw drives the movable block to slide in the first sliding groove in the stand column, and the leather splitting precision and uniformity are improved through vertical movement of the splitting knife on the movable block.

The invention discloses a treatment process for wear-resistant and anti-fouling baseball leather. The treatment process comprises the following steps: S1, soaking and fleshing; s2, unhairing expansion and re-liming; s3, decolorizing and bleaching; s4, pickling treatment; s5, carrying out chrome-free tanning, taking out of a drum and squeezing water; s6, slicing and peeling, rinsing and neutralizing; s7, fat liquoring and retanning; and S8, hanging, airing and staking. Two-step shaping is adopted in the steps of chrome-free tanning and drum-out wringing, so that the leather treated according to the scheme is in a half-cooked state instead of being treated to be in a full-cooked state, and the baseball made of the leather can be shrunk when being hit in the hitting process, so that the color of the baseball is increased, and the color of the baseball is increased. However, leather tanned in the prior art can expand and loosen after being used for a period of time. The anti-hitting performance of baseballs in the market is not good all the time, the baseballs start to deform after being hit for less than 2000 times and cannot rebound, and the baseball leather treated through the process has the excellent performance of being good in anti-hitting performance, resistant to abrasion and free of deformation.

The utility model discloses a leather peeler for shoe production, which relates to the technical field of leather processing and comprises a shell, a side support plate is fixedly mounted on one side of the shell, a side support cylinder is fixedly mounted on the side support plate, a sliding frame is mounted on the side support plate in a sliding manner, a placing plate is mounted on the sliding frame in a sliding manner, and the placing plate is fixedly mounted on the side support plate. A plurality of side supporting cylinders are fixedly mounted on the side supporting plates, a plurality of arc-shaped grooves are further formed in the side supporting plates, the arc-shaped grooves are symmetrically formed in the side supporting plates, the arc-shaped grooves are formed in the outer sides of the side supporting cylinders, small supports are further fixedly mounted on the placing plates, sliding wheels are rotatably mounted on the small supports, and the sliding wheels are arranged in the arc-shaped grooves. Therefore, the application range of the leather cutting device is enlarged, and meanwhile, the efficiency of small-batch production is improved.

The utility model provides a container leather bender which comprises a workbench and a bending assembly arranged on the workbench, the bending assembly comprises a centering wheel, a limiting rod and two stand columns, the two ends of the limiting rod are installed on the stand columns respectively, the centering wheel is installed in the middle of the limiting rod, the centering wheel is close to the workbench, and the limiting rod is arranged on the workbench. The container leather bending device further comprises a shaping assembly, the shaping assembly comprises at least two shaping units, each shaping unit comprises two idler wheels which are arranged oppositely, rotating shafts of the idler wheels are perpendicular to the workbench, a deformation area is formed between the two idler wheels, and the deformation area is located between the two idler wheels. The leather bending and shaping device has the advantages that long-strip-shaped leather can be guided into the bending assembly, after the leather passes through the bending assembly, the leather is guided into the shaping assembly, a plurality of sets of idler wheels are used for further shaping the folding portion of the leather, pretreatment work is completed quickly and efficiently, and the leather bending and shaping device is simple in structure, convenient to use and high in practicability. Meanwhile, the damage to the leather is reduced.

The utility model relates to the technical field of leather processing equipment, in particular to a leather splitting machine for processing leather products, which comprises a leather splitting machine body, one end of the leather splitting machine body is a feeding end, the other end of the leather splitting machine body is a discharging end, the discharging end is matched with a leather receiving mechanism, and the leather receiving mechanism comprises a material receiving table. The material receiving table is connected with a horizontal moving assembly and a vertical moving assembly, and the horizontal moving assembly and the vertical moving assembly drive the material receiving table to flexibly move in the vertical direction and the horizontal direction. According to the utility model, the material receiving platform is arranged and can horizontally move up and down, so that the stacking of leather on the material receiving platform is automatically completed, manual operation is not needed, the working efficiency is improved, and the production cost is reduced.

The invention discloses a manufacturing process and application of waterproof leather, after raw leather treatment, a waterproof synthetic fatliquor is added for treatment in the steps of pickling, white tanning and pre-tanning, filling tanning, retanning, dyeing and board dyeing, the leather finally manufactured through the process has the dynamic waterproof performance and the static waterproof performance at the same time, and the waterproof performance is good. Meanwhile, waterproof auxiliary materials are completely used in the manufacturing process of finished leather shoes, waterproof outdoor sports shoes are manufactured together with leather, the excellent waterproof and warm-keeping effects can be achieved in the outdoor long-time exercise process, and the insides of the shoes are kept dry and fresh all the time.

The utility model relates to the technical field of leather unhairing, and provides environment-friendly leather unhairing equipment which comprises an equipment frame and first suction equipment, the first suction equipment is arranged on the outer surface of the equipment frame, inner plates are arranged in the equipment frame, a primary processing assembly is arranged in the equipment frame, and a secondary processing assembly is arranged in the equipment frame. The first-stage treatment assembly comprises a rotating roller, the rotating roller is rotationally connected into the equipment frame, the rotating roller is controlled by a motor to rotate, and a plurality of scraping blades are arranged on the surface of the rotating roller. By means of the technical scheme, the problems that in the related technology, due to manual unhairing, hair on the skin of leather cannot be thoroughly treated, the hair on the surface of the leather is left, meanwhile, the skin of the leather is rough due to manual treatment, and the leather cannot meet the technological requirement are solved.

The utility model provides a leather collecting device of a splitting machine, which can switch collecting boxes without shutdown, is small in occupied space and is more compact, and comprises a rack, a conveying belt is arranged on the rack and used for conveying leather, two collecting boxes used for containing the leather conveyed from the conveying belt are arranged on the rack and located at the output end of the conveying belt, and the collecting boxes are arranged on the rack and used for collecting the leather conveyed from the conveying belt. The rack is further provided with a first guide plate used for guiding the leather conveyed by the conveying belt to one of the two collecting boxes, and the rack is further provided with a direction changing device used for changing the guide angle of the first guide plate.

The utility model belongs to the technical field of leather peeling equipment, and particularly discloses a feeding device of a leather peeling machine, which comprises a support frame arranged in a casing of the leather peeling machine and detachably connected with the casing. The mounting position of the support frame is mainly selected by considering the contact between the feeding wheel and the cutter, so that the support frame can control a proper gap to be reserved between the feeding wheel and the cutter; the feeding wheel is rotatably connected to the supporting frame; the motor is in transmission connection with the feeding wheel; the material stopping block is movably connected to the supporting frame through a position adjusting structure so that the top face of the material stopping block can abut against the lower area of the feeding wheel. According to the utility model, the material stopping block is tightly attached to the bottom of the feeding wheel, and when rotating to the bottom of the feeding wheel, waste is stopped by the material stopping block and moves towards the bottom of the peeling machine, so that the surface of the feeding wheel is ensured not to be wound by the waste all the time, the cutting efficiency is improved, and the fault risk of the peeling machine is reduced.

The utility model relates to the technical field of cow leather unhairing, and discloses an intelligent cow leather unhairing device which comprises a base, a placing seat is fixedly installed at the top of the base, a support is fixedly installed at the top of the base, a supporting rod is fixedly installed on the inner wall of the support, and the supporting rod penetrates through a sliding plate to be connected in a sliding mode. By arranging a control assembly, when an output shaft of a motor drives a stirring rod to rotate, a protruding block fixed to the surface of the stirring rod abuts against the tangent plane of a vertical rod, and when the tangent plane of the vertical rod is abutted, a connecting plate fixed to the bottom of the vertical rod can drive a circular ring and a fixing ring to move up and down; the bottom of the connecting plate can synchronously move through a screw rod connected with a moving plate, and the screw rod swings up and down to push the depilating agent to flow in the storage tank in the axial direction, so that the positions of the depilating agents at different heights in the tank are exchanged, and the situation that the subsequent depilating effect is affected due to uneven stirring is avoided.

The invention discloses a white tanning manufacturing process of fur and fur integrated fur. The white tanning manufacturing process comprises the following steps of primary soaking, fur trimming, primary degreasing, secondary soaking, secondary degreasing, pickling, white tanning and tanning, pickling, filling and tanning, washing, water throwing, stretching, plate collapsing and drying, white fur finishing, retanning, fur and plate dyeing and colored fur finishing. The fur white tanning technology is simple and efficient, chromium discharge is reduced in the process, the solid waste chromium mud treatment and sewage treatment cost is reduced, the fur white tanning technology is more environmentally friendly, meanwhile, the tanned fur is stable in quality, the finished fur is plump and free of unhairing and does not contain formaldehyde, chromium, phosphorus and other harmful substances, and the hand feeling and durability of the fur finished product can be obviously improved.

A method for splitting a semi-finished product includes placement of the semi-finished product on a splitting template, and the splitting template includes at least one elevation. The method includes fixation of the semi-finished product on the splitting template, in which an area of the semi-finished product is arranged on the elevation. The method includes splitting of the semi-finished product, in which material is removed from the semi-finished product during splitting. The material removal in the area that is arranged on the elevation is greater than in an area that is not arranged on the elevation.

Management system (1) for a plant (100) for the treatment of hides or similar, characterised by comprising: - at least one detection device (40) which is configured to acquire and / or determine data representative of at least one chemical and / or physical characteristic of each hide (12) to be processed or processed in the treatment plant (100), - at least one reading apparatus (20) which is configured to detect and recognise a code (11) which is applied to each hide (12) to be processed or processed in the treatment plant (100), preferably each reading apparatus (20) being operatively associated with at least one respective detection device (40), - at least one electronic unit (50) wherein at least one database (51) is loaded, and wherein: - said at least one detection device (40) is electronically connected to said at least one electronic unit (50) wherein at least one database (51) is loaded, to thus receive the data acquired and / or determined for each corresponding hide (12) by at least one detection device (40), - said at least one reading apparatus (20) is electronically connected to said at least one electronic unit (50) wherein at least one database (51) is loaded, to thus receive the code (11) of each hide (12) as recognised by said at least one reading apparatus (20), - said database (51) is configured and structured so that, within the same database, the code (11) of each hide (12), as recognised by said at least one reading apparatus (20), is matched with the data acquired and / or determined for each corresponding hide (12) by at least one detection device (40) which is operationally associated with said reading apparatus (20).

The utility model relates to the technical field of leather bag heat setting, and discloses a fold leather bag heat setting device which comprises an equipment bottom plate, a double-end motor is fixedly connected in the equipment bottom plate, and a movable lead screw, a movable clamping plate, a fixed motor and a fixed lead screw are inserted into one end of the double-end motor. The butt-joint device is reasonable in structure, the butt-joint support is rotated through the butt-joint motor to rotate by 90 degrees clockwise, a leather bag is placed between the two movable clamping plates, the two movable lead screws are driven through the double-end motor at the same time to enable the two movable clamping plates to clamp the leather bag, the two fixed lead screws are driven through the two fixed motors at the same time, and the two fixed lead screws are driven by the two fixed motors at the same time to clamp the leather bag. The two ends of the leather bag are clamped and fixed through two extended clamping plates and a movable clamping plate, a cleaning agent in a cleaning agent box is discharged into a spray head base through a hose through a water pump, the cleaning agent is sprayed to the surface of the leather bag through a cleaning spray head, a cleaning lead screw is driven through a cleaning motor, a cleaning sliding block continuously moves in parallel, and the surface of the leather bag is brushed through a banister brush.

The utility model belongs to the technical field of chip scraping devices, and particularly relates to a driving cutter wheel chip scraping device of a splitting machine, which comprises a driving cutter wheel, a scraping plate seat is arranged on the driving cutter wheel, a screw shaft is fixedly connected to the surface of the scraping plate seat, a scraping plate frame mechanism is arranged on the screw shaft, a chip scraping plate is arranged on the scraping plate frame mechanism, and the chip scraping plate is fixedly connected to the surface of the scraping plate seat. A slotting fillister head screw is movably connected into the chip scraping plate, the chip scraping plate makes contact with the driving cutter wheel, a tension spring is arranged on the scraper frame mechanism, and the end of the tension spring is fixedly connected with the scraper base. According to the utility model, the tension spring acts on the sliding cylinder, so that the angle of the sliding cylinder is deflected, the scrap scraping plate can be always kept in contact with the driving cutter wheel, scraps adhered to the driving cutter wheel are scraped more completely, and the cleaning efficiency of the driving cutter wheel is ensured.

The utility model belongs to the technical field of chip scraping devices, and particularly relates to a driven cutter wheel chip scraping device of a splitting machine, which comprises a mounting support and a driven cutter wheel, a mounting plate is mounted on the mounting support through bolts, a chip scraper is arranged on the mounting plate, and the chip scraper comprises a fixed shell fixedly connected to the mounting plate. The outer side of the fixing shell is slidably sleeved with a sliding shell, the interior of the fixing shell is in threaded connection with an adjusting screw rod, and the adjusting screw rod penetrates through the sliding shell. According to the utility model, the scrap scraper is arranged beside the driven cutter wheel, and the sliding rod connected with the tail end of the adjusting screw rod can generate displacement through the adjustability of the adjusting screw rod, so that the scraping plate arranged on the sliding rod is close to the driven cutter wheel, and the dust on the surface of the driven cutter wheel is removed; the purpose of improving the subdivision precision and the working efficiency is achieved, meanwhile, by means of adjustability of the adjusting screw rod, the scraping plate can abut against the driven cutter wheel all the time, and the influence caused by abrasion is eliminated.

The present application relates to the technical field of leather making process, and particularly relates to a process for solving the problem of white frost of leather under high temperature conditions. The water soaking process stage includes fur weighing, fur feeding, water washing, pre-water soaking, mechanical fleshing, and main water soaking; the liming process stage includes liming, unhairing, water washing, mechanical fleshing, and cutting; the deliming process stage includes weighing, fur feeding, water washing, pre-deliming, main deliming, and softening; the desulfurization process stage includes desulfurization: adding water with a product mass ratio of 180-220% and a temperature of 30-35 DEG C in a rotating drum, rotating for 15 min, draining water, and repeating twice; sulfur content measurement: liquid detection: dropping 5% dilute sulfuric acid, liquid turbidity, repeating desulfurization for treatment, and if the liquid is clear and does not become turbid, it is qualified; acid soaking and chrome tanning process stage: acid soaking, chrome tanning, alkali extraction, water washing, drum discharging, horse mounting, and standing; the problem of sulfur frost of leather under high temperature conditions is solved, and the pathogenic factor of white frost, i.e. sulfur, is effectively eliminated.

This invention relates to devices that remove hair from animal hide. Previously, removing hair from an animal hide was a difficult process that frequently damaged the animal hide rendering the animal hide unfit for human consumption. Embodiments of the present invention use an automated process for animal hide hair removal using laser light.

The utility model relates to an electric skin taking machine convenient for fixing a skin layer, which comprises a rack, a rotating drum in driving connection through an external motor is arranged in the rack, a groove is arranged on the rotating drum, a pressing device for pressing the edge of pigskin is arranged in the groove, and the pressing device comprises a pressing block. Corresponding positions of the bottom face of the pressing block and the surface of the rotary drum are provided with wave grooves which are matched with each other, the length of the pressing block is larger than that of the rotary drum, locking blocks are fixedly connected to the lower portions of the two ends of the pressing block, locking pieces used in cooperation with the locking blocks are arranged on the two sides of the rotary drum, and a pressing roller and a slitting knife are sequentially erected above the rotary drum and in the machine frame in the rotating direction of the rotary drum. The pigskin edge fixing device is reasonable in structure, the edge of pigskin can be conveniently and rapidly fixed through the locking piece and the locking block, the friction force between the locking block and the pigskin can be increased through the wave grooves, the fixing strength is effectively improved, and the situation that the pigskin is partially separated from the rotary drum, and consequently the thickness of a finished product is uneven is prevented.

The utility model discloses a round knife leather cutting machine for manufacturing flat-bottomed sneakers, which comprises a machine body, a motor fixedly mounted through the machine body, and a rotating shaft mounted through the motor, a bearing is matched between the rotating shaft and the machine body, a round knife is mounted through the rotating shaft, the outer circle surface of the round knife is rough, and the outer circle surface of the round knife is smooth. A notch is formed in the top of the machine body, a part of the circular knife is exposed out of the notch, an edge leaning device is arranged at the top of the machine body, leather to be trimmed moves along the edge leaning device, the edge leaning device is located on the rear portion of the notch, and a leather pressing device is in sliding fit with the edge leaning device. The leather pressing device is located in front of the notch, a downward pressing device is installed through the machine body, the downward pressing device is right opposite to the circular knife, and a leather material to be trimmed passes through the bottom of the downward pressing device; the device does not need to be pressed by hands and is safer to operate.

The utility model provides a leather wringing device for leather processing, and relates to the technical field of leather processing, the leather wringing device comprises a wringing machine, a flattening device and a fixing device, the surface of the wringing machine is fixedly connected with a control box, the surface of the wringing machine is provided with a rotating roller, the arc surface of the rotating roller is rotatably connected with a conveyor belt, and the conveyor belt is fixedly connected with the wringing machine. A transmission motor is arranged on the surface of the wringing machine, a wringing roller is arranged at the position, close to the conveying belt, of the surface of the wringing machine, the flattening device is installed on the surface of the wringing machine through a fixing device, the flattening device comprises an installation frame, and the installation frame is installed on the surface of the wringing machine through the fixing device. When the wringing machine is used, leather can be better pretreated and can be better flattened, the flatness of the leather is ensured, the probability that wrinkles are generated to cause breakage and damage caused by overlapping extrusion in the wringing process is low, and the using effect and functionality of the wringing machine are further improved.

The utility model belongs to leather water squeezing technical field, concretely relates to a kind of water squeezing device for production of metal-free plain weave tire cow upper leather, including shell and feeding conveyor belt, the inside of shell is equipped with conveyor belt one and conveyor belt two, the height of conveyor belt one is higher than the height of conveyor belt two, and conveyor belt one and conveyor belt two all include first cylinder, second cylinder, support and air cylinder, the device carries out water squeezing operation to leather twice, avoid leather moisture, the extrusion difficulty of cylinder is larger when, water squeezing efficiency is not high Problem;The device can also adjust the height of right side cylinder of conveyor belt one and conveyor belt two by air cylinder, the height of right side cylinder is down-regulated, can make the intensity of leather extrusion gradually increase, also reduce the damage that the pressure of sudden increase extrusion can produce to leather.