95results about "Leather drying" patented technology

The invention provides high-strength waterproof flame-retardant clothing leather and a preparation method thereof.The method comprises the steps that a sheepskin raw material is obtained, degreasing treatment is conducted on the sheepskin raw material through a degreasing agent, liming treatment is conducted on the sheepskin raw material subjected to degreasing treatment through liming liquid, and a first leather semi-finished product is obtained; performing basic tanning treatment on the first leather semi-finished product by adopting a target chrome-free tanning agent to obtain a second leather semi-finished product; carrying out retanning treatment on the second leather semi-finished product by adopting a target retanning agent to obtain a third leather semi-finished product; performing post-treatment on the third leather semi-finished product to obtain a fourth leather semi-finished product; the fourth leather semi-finished product is subjected to coating spraying treatment, a waterproof layer, a flame-retardant layer and a modification layer are formed on the surface of the fourth leather semi-finished product, a fifth leather semi-finished product is obtained, and the fifth leather semi-finished product is subjected to soft finishing, so that the high-strength waterproof flame-retardant clothing leather finished product is obtained. The waterproof and flame-retardant effects are good, and the cost is low.

The invention relates to the technical field of leather stretching, and particularly discloses a leather stretching toggling machine with a drying function, the leather stretching toggling machine with the drying function achieves the purpose of fixing different positions of leather, a raw material is fixed and toggled by a toggling device, fine adjustment is carried out through an elastic assembly, and the leather stretching toggling machine with the drying function is convenient to use. According to the multi-direction stretching and drying device, different raw material tensions are automatically adapted, the raw materials are stretched in multiple directions, stretching and stretching of the raw materials are completed, the bottoms of the raw materials are heated and blown, heating and drying are conducted from the bottoms, and compared with a traditional heating mode, the problem that heat penetration is slow due to the thickness of the materials is solved; and the drying device is used for cooling the tops of the raw materials, so that heated air flows to drive hot air to flow, and drying is carried out.

The application discloses a kind of leather automatic board drying line, including receiving support, the top of the receiving support is fixedly connected with two assembly supports, the symmetrical side of two The assembly support is equipped with assembly slot, the assembly slot inside is slidably connected with assembly tooth groove, the outer wall of the assembly support is movably sleeved with assembly sleeve block, and the top of the assembly sleeve block is fixedly connected with assembly support block.The application adjusts the height of blowing head by installing hydraulic cylinder to adapt to different thickness of leather, and combines the heating of installing electric heating conduit and the rotation of driving self-locking motor to drive blowing head, to realize uniform and accurate drying of leather, so that the device realizes clamping, stretching, moving and drying full automation linkage, effectively solves the core defects of low automation, process disconnection, poor adaptability and uneven drying of existing equipment, improves processing efficiency and leather quality, adapts to large-scale production demand, has reasonable structure, convenient operation, and reduces labor cost.

The invention discloses an automatic rotation type four-direction toggling dryer and a drying process thereof, and the automatic rotation type four-direction toggling dryer comprises a drying box which is internally provided with a heating part for evaporating water in leather; the driving part is used for driving the screen plate to do rotary circulating motion on the track; the opening component is used for applying four-direction drawing force to the leather; the plate overturning part is used for automatically overturning the screen plate; the net plate is used for clamping leather; and the track is used for hanging the screen plate. According to the drying machine, the labor intensity of workers is reduced, the production efficiency is improved, multi-direction stretching of leather is achieved, and the product quality is improved.

The utility model discloses a multi -way circulation hot -blast leather drying device, and the leather support still includes the collecting hopper, and the bottom surface middle part of collecting hopper is fixed and has the drain pipe of through connection, and the periphery of collecting hopper still is fixed and has the vertical rod of through -going connection, and the upper end inner wall of the vertical rod of same column is slidably connected with the lifting frame, and the inner wall upper end and lower end of each lifting frame are rotatably connected with the clamping roller, and the outside of each clamping roller is all wrapped with the protective sleeve of connection, and the outer wall one end of lifting frame is fixedly connected with the lifting shaft, and the other end of lifting shaft is connected with the vertical rod through -going, and the outside of each clamping roller is all fixed with the protective sleeve of smooth surface aluminum alloy material, and then avoid the adhesion of leather with the clamping roller surface in the drying process, and through servo motor can drive the support roller of both sides to move respectively to the opposite linear direction, and then drive leather whole slight shaking, help to break the water film on the surface of leather, make the moisture more easily evaporate from the leather interior to the air.

The invention relates to the technical field of leather stretching and leveling devices, in particular to a stretching and leveling device for leather processing and a using method. The clamping assembly comprises clamping plates symmetrically arranged above the bottom plate, and clamping plates used for clamping leather are installed in the clamping plates in a driven and sliding mode; and the drying assembly comprises a fixing box arranged above the clamping plate, and a plurality of circulation holes are formed in the lower end face of the fixing box in a linear array mode. Through the arrangement of the detection assembly, the thickness change of each part of the leather in the stretching and leveling process can be monitored in real time, and the heating power of the drying assembly at the corresponding position is dynamically and accurately adjusted accordingly, so that the problem that uniform heating is adopted due to uneven leather thickness in a traditional mode is effectively solved; the problems that thin parts are too dry and embrittled, thick parts are not dry, and internal stress remains are solved, differentiated intelligent drying is achieved, and the physical property uniformity and the hand feeling of finished leather are remarkably improved.

The present application relates to the leather processing technical field, specifically to a kind of processing technology for improving leather luggage easy to crack, comprising the following steps: S1: selecting raw leather, preliminary treatment is carried out to remove surface impurities, and adjust moisture content;S2: the leather after S1 processing is soaked in natural plant oil solution;S3: the leather after soaking is treated with sound wave;S4: heat pressing treatment is carried out, and the gap between leather fibers is sealed;S5: the leather after heat pressing treatment is cooled and cured;S6: using nanoscale filler, the leather after curing is filled;S7: the leather after filling is treated with final surface coating, and protective layer is formed.The present application, by comprehensive treatment method, significantly improves the flexibility, waterproofness, pressure resistance and crack resistance of leather, while using environmentally friendly materials to optimize cost, effectively prolongs the service life of leather products and reduces environmental impact.

The invention relates to a leather stretching drying line and a leather drying method, and relates to the technical field of leather drying, the leather stretching drying line comprises a machine body, a conveying device, a plurality of heating devices and a first oscillation staking machine, a plurality of cavities are arranged in the machine body at intervals, the heating devices correspond to the cavities one to one, and the heating devices are used for heating the corresponding cavities; the conveying device is used for conveying leather to sequentially pass through all the cavities, one first oscillation staking machine is arranged in each cavity, the first oscillation staking machines are used for staking the leather before the leather leaves the corresponding cavities, and the temperatures in all the cavities are sequentially reduced in the conveying direction of the leather. The leather drying device has the effects that leather can be conveniently dried, the leather quality is guaranteed, meanwhile, the reduction degree of the leather area is reduced as much as possible, and the leather yield is increased.

The utility model provides a drying device for sheep leather, which relates to the technical field of drying devices and comprises a storage box, a connecting door is hinged to one side of the storage box, fans are uniformly mounted at the bottom of the inner wall of the storage box, heating rods are arranged at the tops of the fans, and limiting frames are arranged at the tops of the heating rods. A supporting frame is slidably connected to the inner wall of the storage box, a supporting plate is arranged on the inner wall of the supporting frame, air outlets are evenly formed in the top of the storage box, and an adjusting device is arranged on one side of the supporting frame. And then an extrusion frame is manually controlled to rotate on the surface of a round rod, and then the extrusion frame extrudes the top of a supporting plate, so that a clamping rod rotates on the inner wall of a sliding groove, an included angle is formed between the supporting plate and the vertical face, and the contact face of sheep leather and wind can be increased to a certain degree.

The utility model provides a leather surface cleaning device which comprises two frame plates and a supporting roller arranged between the two frame plates, a flushing assembly arranged above the two frame plates and comprising a water tank arranged above the two frame plates and a flushing structure arranged on the water tank, and a cleaning assembly arranged above the two frame plates, and the cleaning and brushing assembly is arranged above the supporting roller and comprises a hanging plate arranged above the two frame plates and a cleaning and brushing structure arranged on the hanging plate. Through cooperation of the arranged washing assembly and the brushing assembly, the washing assembly can uniformly wash the surface of leather, slight stains and dust on the surface of the leather can be effectively removed, meanwhile, the brushing assembly can comprehensively and carefully brush stubborn dirt and dust with high adsorption capacity on the surface of the leather during high-speed operation, and the cleaning efficiency is improved. And the washing assembly can wash the leather brushing position in the brushing process, so that stubborn stains are thoroughly removed, and the cleaning effect is further improved.

The invention relates to a preparation process of chitosan-based ecological leather. The preparation process comprises the following steps: softening bare leather, tanning with chitosan, tanning with vegetable, tanning with zeolite, rewetting, filling, dyeing and fat liquoring, drying and finishing, and finishing. Chitosan tanning, vegetable tanning, zeolite tanning and other chrome-free combined tanning processes are adopted, the defect that single chrome-free tanning is poor in tanning performance is overcome, chrome tanning can be replaced, and tanning chrome pollution is avoided from the source.

The invention discloses a pigskin raw material winding and drying device which comprises a bottom frame, a mounting frame is arranged at the top end of the bottom frame, a winding device is arranged at the top end of the mounting frame, a heating device is arranged at the rear end of the winding device, a winding roller is arranged at the rear end of the heating device, an adjusting device is arranged at the bottom end of the bottom frame, and a motor frame is arranged at the bottom end of the bottom frame. A driving motor is arranged in the motor frame; the mounting frame comprises a mounting plate, an arc-shaped groove formed in the mounting plate, a bearing seat arranged at the top end of the mounting plate, a pair of rollers arranged in the bearing seat and a vertical plate arranged on the mounting plate, and a top frame and a bolt are arranged on the vertical plate. A user can screw out the bolt upwards from the top frame structure, finally the bolt is locked through the nut structure, after locking, the spring is compressed, the movable block at the bottom end can move in the arc-shaped groove, the auxiliary roller structure can make contact with pigskin raw materials at the bottom end, and the transmission contact effect is achieved.

The utility model discloses an anti-drop constant-temperature rotating disk baking machine, which relates to the technical field of baking machines and comprises a box body, a constant-temperature heater is fixedly mounted at the top end of the box body, a detector is fixedly mounted at the top end of the box body, and a rotating structure is arranged between the box body and a protective net; and a supporting seat is fixedly installed at the top end of the box body, a conveying pipe is fixedly installed on the outer surface of the constant-temperature heater, and a baking mechanism is arranged between the conveying pipe and the supporting seat. According to the anti-falling type constant-temperature rotating disc baking machine, a servo motor is started, the servo motor works to drive an output shaft to rotate, the output shaft drives a connecting disc to rotate, and therefore a rotating disc loaded with a supporting frame is conveniently driven to rotate, and leather bags are conveniently and evenly baked; the leather bag is hung on the supporting frame, and the supporting frame adopts the Z-shaped design, so that the leather bag is prevented from falling off during rotation, and the overall stability is improved.

The utility model discloses a leather product fast drying machine which comprises a supporting plate and a plurality of heating plates distributed in parallel, cavities allowing leather products to enter are formed between the heating plates, a plurality of positioning openings are vertically formed in the supporting plate, and positioning columns are installed at the positions, right opposite to the positioning openings, of one ends of the heating plates. The other ends of the positioning columns are arranged in the positioning openings in a sliding mode, U-shaped rods are arranged in the cavities, clamping openings used for clamping leather products are formed in one ends of the U-shaped rods, and pressing plates are arranged in the clamping openings. The leather product ironing device is simple in structure, one end of a leather product is clamped and fixed through the pressing plate, a plurality of leather products can be pulled into the heating plates at a time through movement of the push plate, after the heating plates are drawn close, the leather products can be dried, the leather products can be ironed while being dried through the heating plates, and therefore the leather products can be ironed conveniently. Therefore, the smoothness of a leather product is ensured.

The utility model relates to leather drying equipment which comprises a drying box, a hot drying mechanism is arranged on the drying box, a limiting plate is fixedly arranged in the drying box, a plurality of ejecting blocks protruding upwards are arranged on the upper end face of the limiting plate, a supporting plate is arranged in the drying box in an up-down sliding mode, and the supporting plate is arranged above the limiting plate. A plurality of penetrating grooves corresponding to the ejector blocks are formed in the supporting plate, a reciprocating mechanism used for driving the supporting plate to move up and down is arranged in the drying box, a leather fixing mechanism is arranged on the supporting plate, the structure can enable the ejector blocks to eject leather by moving the supporting plate downwards, and air conveniently enters the space between the leather and the supporting plate; meanwhile, the reciprocating mechanism can drive the supporting plate to move up and down, air circulation between the leather and the supporting plate can be accelerated, the lower end of the leather can be further dried through hot air, only the supporting plate needs to move up and down according to the structure, and therefore the movement space needed by the supporting plate is relatively small, and the drying effect is good. And the volume accommodating requirement on the equipment is low.

The utility model relates to a fixing device for leather drying, which comprises a fixing frame, a fixing clamp is movably arranged in the fixing frame, a rope is fixedly arranged on the fixing clamp, one end of the rope is connected with the fixing clamp, the other end of the rope extends to penetrate through the fixing frame, and a through hole for the rope to pass through is formed in the fixing frame. The fixing frame is provided with a fixing mechanism used for fixing the rope at the penetrating hole, through the structure, due to the fact that the positions of the fixing clamps are independently adjusted, the position of each fixing clamp can be flexibly adjusted according to the contour shape of leather, and the fixing frame is convenient to use. Therefore, the equipment can better unfold and fix the leather with irregular shapes.

The utility model discloses a leather drying machine which comprises a machine box, a hot air assembly is installed on the side wall face of the machine box, and a press fit structure is installed on the bottom face of the inner side of the machine box. Then, a pressing motor is controlled to work, a lead screw rotates, a pressing rod descends accordingly, a pressing plate is pressed downwards till a pressing spring sleeve and a suspension spring sleeve are shrunk, the pressing plate is pressed on the leather on the suspension placement assembly on the uppermost layer, and the leather on other suspension placement assemblies is pressed by a suspension transverse plate on the upper layer; the leather on the fixing buckle cover is pressed by a suspension transverse plate on the suspension placement assembly on the lower layer, multiple pieces of leather are fixed, then the hot air assembly works, the multiple pieces of leather are dried at the same time, the working efficiency is improved, and use is convenient.

The utility model provides a leather vacuum drying machine which comprises a base, two supports arranged left and right are installed on the base, the tops of the two supports are connected with a top plate, a plurality of workbenches capable of vertically moving along the supports are arranged between the two supports, and the leather vacuum drying machine is characterized in that vertical plates are fixed on the two sides of the supports; a regulation and control plate capable of moving up and down is arranged on the vertical plate through a driving mechanism, a rotating air cylinder is installed on the regulation and control plate, a rotating part of the rotating air cylinder is connected with one end of a cross beam, the other end of the cross beam is connected with an illuminating lamp through a mounting rod, the illuminating lamp is obliquely and downwards arranged, and a movable seat is slidably connected to the cross beam; the movable seat is in threaded connection with a locking bolt, the movable seat is further connected with a liquid conveying pipe, and the liquid conveying pipe is provided with a spraying head.

The utility model discloses leather product processing equipment which comprises a bottom plate and an installation frame fixed to the top of the bottom plate, and further comprises an electric push rod rotationally installed in the middle of the outer wall of the top of the installation frame, a motor is installed on the outer wall of the top of the installation frame, an output shaft of the motor is connected with the electric push rod, and a first conductive sliding ring is installed on the outer wall of the electric push rod. A turnover assembly is installed at the bottom of the electric push rod, and a fixing plate is installed on the outer wall of one side of the turnover assembly. According to the leatherware processing equipment, the liquid feeding assembly and the wiping plate can rotate on the surface of leather, smearing and supplementing of polishing emulsion and wiping of the surface of the leather are carried out at the same time more conveniently, the polishing emulsion is evenly smeared and supplemented, the polishing effect is better, after polishing is completed, the liquid feeding assembly can be driven by the overturning assembly to overturn, and the polishing effect is better. And the electric heating drying plate faces downwards to dry the surface of the leather, and leather mildewing or deformation caused by long-time retention of water is prevented.

The ear cap production line is used for solving the technical problem of low production efficiency caused by low automation degree in the existing ear cap production process. The ear cap production line comprises a skin forming mechanism for forming a skin, a baking mechanism for baking the formed skin, a cooling mechanism for cooling the skin, a laser punching mechanism for punching the cooled skin, a high-frequency welding mechanism for welding the skin and the bottom skin, a double-sided adhesive tape bonding mechanism for bonding the double-sided adhesive tape to the skin, a mesh cloth bonding mechanism for bonding the mesh cloth to the skin, a jig for fixing the skin, and a jig return conveying belt for conveying the jig. The jig comprises a jig outer ring, a jig inner core and a jig aluminum sleeve. The skin forming mechanism, the baking mechanism, the cooling mechanism, the laser punching mechanism, the high-frequency welding mechanism, the double-sided adhesive tape bonding mechanism and the mesh cloth bonding mechanism are arranged on the side of the jig return conveying belt in sequence.

This invention provides a suspended drying and conveying line to address the technical problem mentioned in the background art, where existing drying equipment using chain conveyors cannot meet the drying needs of large quantities of leather. This invention discloses a suspended drying and conveying line, including a track; multiple drying chambers, all fixedly mounted outside the track; multiple drying modules, each including a first connecting rod, a second connecting rod, and clamping components; a first connecting rod slidably disposed within the track along its length; a second connecting rod located at one end of the first connecting rod extending downwards from the track; and two sets of clamping components fixed at both ends of the second connecting rod. The line dries large quantities of leather via track conveying, meeting the user's needs.

The application discloses a kind of drying systems for leather, including drying machine body, the upper surface center position of the drying machine body is fixedly installed motor, the output shaft of the motor extends to the inside of drying machine body and is fixedly connected with reciprocating movement mechanism, the inside of the drying machine body is slidably connected with multiple stretchers, and the lower surface of the reciprocating movement mechanism is fixedly connected with multiple corresponding scrapers of stretcher.The application, by setting the reciprocating movement mechanism and scraper, the scraper can reciprocate the leather on the stretcher and scrape off most of the water contained in the leather, so that subsequent hot air drying is facilitated, by setting the drying device, the surface of the leather is evenly blown by hot air, so that the leather is evenly dried.

The invention relates to a chrome-free tanning leather production method and system, and the method comprises the following steps: S1, grouping raw leather, and carrying out pre-soaking, fleshing, main soaking, liming, leather splitting, deliming and softening treatment to produce bare leather; s2, pH adjustment, salt-free and pickling-free Tara tanning, zeolite tanning and standing are conducted on the bare skin, and tanned white skin is produced; s3, wringing, shaving, washing, neutralizing, filling and retanning, filling, dyeing, fat liquoring and fixing are conducted on the tanned white leather, and wet leather is produced; s4, the wet leather is subjected to wringing stretching, vacuum drying, hanging airing and humidifying drying, and dry leather is produced; and S5, the dry leather is subjected to standing, water returning, standing, water returning, standing, vibration staking, crust milling, dry toggling flattening and transfer coating, and finished leather is produced. The method has the beneficial effects that the tara tanning material and the zeolite tanning agent are used for salt-free and pickling-free combined tanning, traditional chrome tanning is replaced, a chrome-free and formaldehyde-free process is achieved, the finished leather has the fullness of vegetable tanning leather and the flexibility and elasticity of chrome tanning leather, and the wet heat stability is closer to the high-quality application performance such as chrome tanning leather.

The invention discloses cowhide fiber short fiber processing equipment, which belongs to the technical field of cowhide fiber processing, and has the technical key points that the cowhide fiber short fiber processing equipment comprises a workbench, the pretreatment of purification, re-dehydration, post-drying and final refining of cowhide fiber short fibers can be well completed through an arranged pretreatment mechanism, all links are compactly connected, the drying time is shortened through washing-extrusion draining, and the production efficiency is improved. The feeding efficiency is optimized through drying-smashing pretreatment, the productivity of the whole production line is remarkably improved, the production efficiency of cow leather fiber short fiber processing is greatly improved, cutting processing treatment of cow leather fiber short fibers can be well completed through the arranged cutting mechanism, butt joint with previous work is well completed, and the production efficiency of cow leather fiber short fiber processing is greatly improved. The short fibers cut in a reciprocating manner are uniform in length and good in dispersity, so that the energy consumption of the whole production line is reduced, the production efficiency is remarkably improved, and the short fibers have the advantages of convenience in process processing and high production efficiency.

The utility model discloses an energy-saving leather drying box, relates to the field of leather processing, and aims to solve the problem that in the prior art, air and heat energy in a drying box are directly discharged through an exhaust fan, and the heat energy in the discharged air cannot be recycled, so that the heat energy is wasted. A rectangular air inlet is formed in the upper end face of the drying box, a heating box is connected to the upper end face of the drying box and located at the upper end of the rectangular air inlet, an air inlet fan is fixedly connected to the middle of the upper end of the heating box, an air inlet pipe is fixedly connected to the upper end of the air inlet fan, an air preheating box is fixedly connected to the middle of the air inlet pipe, and an air distributing cover and an air collecting cover are fixedly connected to the end faces of the two sides of the air preheating box correspondingly. An air outlet is formed in the lower end of the end face of one side of the drying box, an exhaust fan is connected to the outer portion of the air outlet, and by arranging the air preheating box, heat in high-temperature waste gas exhausted by the drying box can be recycled, fresh air entering the drying box is preheated, and energy consumption of the electric heating pipe is remarkably reduced.

The utility model relates to the technical field of dyeing, and provides energy-saving leather dyeing equipment which comprises a bottom plate and a pair of supports, the supports are fixed to the two sides of the surface of the bottom plate, a laying moving assembly is arranged between points and the supports, a dyeing assembly is arranged between the supports, a drying assembly is arranged outside the supports, and the laying moving assembly comprises a pair of sliding rails. The sliding rails are arranged on the side surfaces of the supports, a moving table is slidably connected between the sliding rails, and racks are arranged at the bottom of the moving table. By means of the technical scheme, the problems that in the prior art, small leather is generally dyed manually, but dyeing is uneven or missing places are prone to occurring when manual dyeing is used, and the effect after leather dyeing is affected are solved.

The invention discloses a preparation method of a common-structure bimodal respiration sensor based on a printing process, and aims to solve the problem that an existing respiration sensor cannot monitor and recognize a mouth-nose respiration mode. According to the device, NaCl is loaded on leather fibers through ultrasonic soaking to form a humidity-sensitive layer. Then, a G / PEDOT: PSS positive electrode and a Zn negative electrode are sequentially subjected to silk-screen printing on the substrate, and after drying and curing, silver paste is smeared at end points to form a lead area; the sensor responds to temperature change through positive electrode resistance, and responds to humidity change through open-circuit voltage between the positive electrode and the negative electrode. Based on the difference between the breath temperatures of the mouth and the nose, various breathing modes can be stably recognized in real time, and accurate distinguishing between mouth breathing and nose breathing is achieved. The system has high customizability, the dual-mode common structure design of the system has important significance on the development of wearable and multi-mode sensors, and the system can be widely applied to the fields of sleep respiratory disease monitoring, respiratory rehabilitation management and the like.

The utility model belongs to the technical field of leather processing, and particularly relates to a leather surface cleaning device for leather product production, which comprises a box body, a feed port arranged in the middle of the left side wall of the box body, and a discharge port arranged in the middle of the right side wall of the box body, a feeding mechanism, a material guiding mechanism, two spray washing mechanisms, two brushing mechanisms and two air drying mechanisms are arranged in the box body, the material guiding mechanism is located right behind the feeding mechanism, and the feeding mechanism and the material guiding mechanism make contact with the front face and the back face of a leather main body correspondingly; the two spray washing mechanisms, the brushing mechanism and the air drying mechanism are symmetrically distributed front and back relative to the leather main body, the lower surface of the box body is funnel-shaped, and a discharging pipe is fixedly connected to the middle of the lower surface of the box body. The cleaning device integrates spray washing, brushing and air drying, the front face and the back face of the leather body are cleaned thoroughly, the cleaning efficiency is improved, and the leather body cannot be damaged.

The utility model relates to the technical field of cowhide production, in particular to a stretching wringing machine for cowhide production, which comprises a supporting frame, a collecting frame is connected to the middle of the left end of the supporting frame in a penetrating manner, a lifting frame is fixedly connected to the upper portion of the left end of the supporting frame, and a first supporting plate is fixedly connected to the right side of the upper portion of the front end of the supporting frame. A first motor is fixedly connected to the upper end of the first supporting plate, a first wringing roller is fixedly connected to the output end of the first motor, the first wringing roller is movably connected with the rear frame wall in the supporting frame through a connecting shaft, and a groove body is formed in the upper portion of the right end of the supporting frame; second supporting plates are fixedly connected to the middle of the front end and the middle of the rear end of the supporting frame correspondingly, a water squeezing assembly is fixedly connected to the upper ends of the two second supporting plates jointly, and the water squeezing assembly is connected with the supporting frame in a penetrating and inserting mode. According to the stretching wringing machine for cowhide production, the wringing process in the cowhide production process can be facilitated through the arranged wringing assembly and the cleaning roller.