27results about "Leather pressing/rolling" patented technology

The utility model discloses a leather flattening device for waistband processing in the technical field of leather processing, which comprises a bottom plate, a control mechanism is arranged at the top of the bottom plate, a control plate is arranged at the top of the control mechanism, a connecting mechanism is arranged at the top of the control plate, and connecting plates are arranged on the left side and the right side of the top of the connecting mechanism. Clamping mechanisms are arranged on the sides, close to each other, of the two connecting plates, a side plate is arranged behind the top of the bottom plate, a first roller is rotationally connected to the front of the side plate, a lifting mechanism is arranged on the top of the front of the side plate, a control groove is formed in the top of the bottom plate, and the control mechanism comprises a control motor; the control motor is arranged on the right side of an inner cavity of the control groove, a control lead screw is arranged at the power output end of the left side of the control motor, a control sliding plate is connected to the control lead screw in a threaded mode, and the leather flattening device solves the problems that when the leather flattening device is used, leather cannot be repeatedly rolled conveniently, and the leather flattening effect is limited.

The utility model relates to the technical field of leather products, in particular to an integrated imprinting device for the leather products. According to the technical scheme, the device comprises a workbench, a rack, a gear and a threaded disc, a long rod is fixed to the workbench, a lower mold is installed at the top end of the long rod, the bottom end of an air cylinder is movably connected with an air rod, an upper mold is installed at the bottom end of the air rod, a first support is fixed to the workbench, an inserting plate is inserted into the first support, and the rack is fixed to the inserting plate; a fixing plate is fixed to the first support, a rotating shaft is rotatably connected to the rear end of the fixing plate, a gear is fixed to the rear end of the rotating shaft and connected with the rack in a meshed mode, a connecting plate is fixed to the inserting plate, a first disc is fixed to the connecting plate, a second disc is fixed to the first disc, and a leather product body is placed on the first disc. The second disc is in threaded connection with the threaded disc. The leather product pressing device has the advantages that the leather product body can be kept tight, and the leather product body is prevented from being wrinkled to influence imprint.

The utility model discloses a punching device for leather bag production, and relates to the technical field of leather bag production, the punching device comprises a workbench, the top of the workbench is provided with a punching mechanism, the top of the workbench is provided with a flattening clamping mechanism used for keeping the flatness of leather during clamping, the flattening clamping mechanism comprises a flattening assembly, a punching assembly and a clamping assembly, the device is arranged at the top of a workbench and comprises a mounting frame fixedly mounted at the top of the workbench, an air cylinder is fixedly mounted at the top of the mounting frame, a connecting block is fixedly mounted at the bottom end of an output shaft of the air cylinder, and a first connecting rod and a second connecting rod are mounted in the connecting block in a hinged mode; and the clamping assembly is arranged at the top of the workbench and used for clamping the leather, an air cylinder operates to drive a connecting block to descend, a first rolling wheel and a second rolling wheel make contact with the leather, and a first connecting rod and a second connecting rod reversely rotate with a first gear and a second gear as the axis at the same time, so that flattening treatment on the surface of the leather is achieved.

The utility model relates to an adjustable flattening device which comprises a workbench, a stamping structure and a supporting column, the stamping structure is of a U-shaped structure, the two sides of the stamping structure are fixed to the side faces of the workbench, the top of the stamping structure is located above the workbench, pneumatic columns are arranged on the outer side of the top of the stamping structure, telescopic columns are arranged on the inner side of the stamping structure, the other sides of the telescopic columns are connected with a flattening plate, and a heat conduction layer is arranged at the bottom of the flattening plate. A buffer layer is arranged below the heat conduction layer, a second temperature controller is arranged on the side face of the flattening plate, the four corners of the workbench are connected with supporting columns through stabilizing wheels, a first rotary knob is arranged on any outer side face of the punching structure and matched with a pneumatic column, a conveying belt is arranged in the middle of the workbench, and the temperature of the heat conduction layer is controlled through the second temperature controller. The temperature requirement for unrecognized material flattening is met, the flattening efficiency is improved, the pressure condition of the pneumatic column is controlled through the first rotary knob, the flattening pressure is further controlled, the stamping requirements of different objects are met, and the adverse effect on the flattening effect due to insufficient flattening or excessive flattening is avoided.

The utility model discloses a leather stretching and flattening device for leather product production, which belongs to the technical field of leather product production and comprises a worktable, expanded edges are arranged on three sides of the bottom end of the worktable, supporting legs are fixedly mounted at four corners of the bottom end of each expanded edge, and a fixing seat is fixedly mounted on one side of the top end of the worktable. And a positioning compression roller is rotationally mounted at the upper end in the fixed seat. A second motor is started to enable a second threaded rod to rotate, then a stretching frame moves along a second sliding groove to stretch and unfold leather, then a first motor is started to enable a first threaded rod to rotate so as to enable two limiting arms and a lifting frame to move along a first sliding groove, and meanwhile two hydraulic columns extend at the same time so that a pressing frame can press down and flatten the leather. And electric heating rods are fixedly arranged on the two sides of the interior of the pressing frame, softening and re-shaping of the leather are facilitated, an air cylinder extends to enable a flattening roller to stretch out of the interior of a storage groove, the pressing strength on the leather is enhanced, and the wrinkle area of the leather is shaped and flattened emphatically.

The present invention relates to a spreading machine for roller leather finishing with an adjustment mechanism.

Described is a natural leather trimming machine including: an ironing device for stretching and removing creases and wrinkles from the leather, cutting means for cutting the leather along at least one cutting line, a detection unit configured to detect the position of the leather, the shape of at least one relative end edge, and the position of any defects close to at least one relative end edge, a plurality of conveyor belts and a first command and control unit configured to determine the cutting coordinates of the leather.

The invention relates to the technical field of preparation and processing of high-flame-retardant leather, in particular to a preparation device and a preparation process of high-flame-retardant leather for new energy automobile interiors, which can perform double-sided drying on the high-flame-retardant leather, improve the drying effect on the high-flame-retardant leather and have higher practicability. Comprising a drying box, supporting legs are fixedly connected to the four corners of the bottom end of the drying box, an inlet and an outlet are formed in the left end and the right end of the drying box correspondingly, the lower edges of the inlet and the outlet extend to the bottom end of the drying box, two guide rollers and two flattening rollers are rotationally installed in the drying box, and the two guide rollers are horizontally and symmetrically distributed at the inlet and the outlet; the two sets of flattening rollers are horizontally and symmetrically distributed at the inlet and the outlet, the two sets of air blowing flow equalizing discs are movably installed in the drying box in a vertically symmetrical mode and used for drying the high-flame-retardant leather, and the adjuster comprises an electric telescopic rod which is fixedly installed on the front face of the drying box. The distance adjusting device is used for adjusting the distance from the two sets of blast flow equalizing discs to the high-flame-retardant leather.

The utility model discloses a full-automatic hot-pressing cutting machine, and relates to the technical field of hot-pressing cutting machines. The device comprises a winding structure, a hot-pressing cutting machine, a conveyor, a conveying belt mounted in the conveyor, a pressing and cutting hydraulic rod fixedly arranged above the conveying belt, a hot-pressing mold located at the lower end of the pressing and cutting hydraulic rod, and an arrangement structure, comprising an air heater, a suction cover located at the suction end of the air heater, a suction cover penetrating through a suction pipe, a mounting frame fixedly arranged above a conveying belt, a sorting hydraulic rod located in the mounting frame, a fixing frame located at the lower end of the sorting hydraulic rod, a stroke plate located in the fixing frame, a sorting plate located at the lower end of the stroke plate and a first motor located at one end of the fixing frame. The screw is located at the output end of the first motor, and the through hole is formed in the conveying belt. According to the utility model, the arrangement structure is arranged, so that the problems that the cutting precision of the hot-pressing cutting machine is influenced and the flatness of the surface and the quality of a product is reduced due to irregularity during pressing and cutting caused by wrinkles of leather are solved.

This invention discloses a leather stretching and flattening device for leather product manufacturing, relating to the field of leather processing technology. The invention includes a base, with a support plate fixed to its upper surface. A first motor is fixed to both sides of the support plate. A threaded rod is fixed to the output shaft of the first motor, and a threaded tube is threadedly connected to the outer ring of the threaded rod. A first bearing is fixed to the outer ring of the threaded tube, and a transmission plate is fixed to the outer ring of the first bearing. Through the action of a clamping roller, the output shaft of a second motor drives a transmission shaft to rotate. The transmission shaft, in turn, drives the clamping roller to rotate via the support rod. The rotation of the clamping roller further stretches the leather. The cylindrical clamping roller provides uniform support to both ends of the leather, preventing wrinkles caused by uneven tension. This device can stretch the leather according to its length and toughness, and the adjustment process is quick and convenient, greatly improving the working efficiency of the stretching device.

The invention discloses a belt type roller coater which comprises a rack, a leather feeding machine, a roller coater main machine and a leather receiving machine are sequentially arranged on the rack, a leather pressing device is installed on the leather feeding side of the roller coater main machine, and a leather uncovering device is arranged on the leather discharging side of the roller coater main machine; the roller coating main machine comprises a coating roller, a belt type bearing mechanism and a material melting device, the belt type bearing mechanism comprises a large-diameter transmission roller, a small-diameter tensioning roller and a bearing belt, a deviation rectifying roller is further arranged on the inner side of the bearing belt between the large-diameter transmission roller and the small-diameter tensioning roller, and a first inclined face and a second inclined face which are different in gradient are formed on the upper side of the belt through the deviation rectifying roller. The peeling device comprises a peeling roller, and a peeling assembly with vertical fall is formed between the peeling roller and the first inclined face and the second inclined face of the bearing belt. The fall type conveying mechanism with the vertical fall is matched with the leather uncovering roller, so that after leather roller coating is completed, the leather reaches the position of the leather uncovering roller through the surface of the belt with the large fall, and smooth leather uncovering and smooth process conveying are further guaranteed.

The utility model discloses a leather embossing device for leather processing, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a support frame, the front surface of the support frame is fixedly connected with a sliding rail, the sliding rail is slidably connected with an electric sliding block, the front surface of the electric sliding block is fixedly connected with a mounting plate, and the front surface of the mounting plate is fixedly connected with a motor. The output end of the motor is fixedly connected with a rotating rod, the other end of the rotating rod is fixedly connected with a pressing roller, the inner surface of the pressing roller is fixedly connected with a heater, the output end of the heater is fixedly connected with a heating wire, the heating wire is fixedly connected with the pressing roller, and the lower surface of the supporting frame is fixedly connected with an embossing device. Through cooperation of the sliding rail, the electric sliding block, the motor, the rotating rod and the pressing roller, leather can be flattened to prevent wrinkles, the surface is smoother, wrinkles can be effectively reduced, the appearance of a finished product is more exquisite and professional, and the defective rate is reduced.

The utility model discloses whole grain surface cowhide natural grain selection sofa leather processing equipment, which relates to the technical field of sofa leather processing, and comprises an operation table, one end of the operation table is provided with an installation assembly, the installation assembly comprises an installation frame, and the output end of a first motor installed on one side of the installation frame is connected with a first bidirectional threaded rod; first moving frames are spirally connected to the spirals at the two ends of the first bidirectional threaded rod, the first moving frames are slidably mounted on the first sliding rods, clamping frames are fixedly connected to the bottoms of the first moving frames, rotating discs are rotatably mounted on the clamping frames, positioning rods are arranged on the rotating discs in an annular array mode, and a winding roller is clamped between the rotating discs of the mounting assembly; a second motor is installed on the clamping frame at one end of the first two-way threaded rod, and the output end of the second motor is connected with a rotating disc on the clamping frame. According to the winding roller installation device, the appropriate winding roller is clamped through the installation assembly, the tedious steps of manual adjustment are reduced, and installation and preparation work can be completed more quickly when the winding roller is replaced.

The utility model belongs to the technical field of leather processing equipment, and particularly relates to a leather buffing and leveling machine which comprises a support, a conveying mechanism is installed in the support, a cover shell is fixedly connected to the upper surface of the support, a buffing mechanism, a dust collection mechanism and a leveling mechanism are installed in the cover shell, and the dust collection mechanism and the leveling mechanism are fixedly connected to the upper surface of the support. A first infrared sensor is fixedly connected to the interior of the housing, the buffing mechanism comprises a second motor, and the main body end of the second motor is fixedly connected to the upper surface of the housing. According to the leather buffing and leveling machine provided by the utility model, when a first infrared sensor detects that leather is close to a buffing mechanism, a second motor is started to drive a first lead screw to rotate, synchronously drives a second lead screw to rotate and drives two connecting frames to move downwards, so that a grinding roller and a polishing roller move downwards to be in contact with the leather, and the second motor is stopped after the grinding roller and the polishing roller are in contact with the leather; and the third motor is started to drive the grinding roller and the polishing roller to rotate, grinding and polishing work is completed, leather of different thicknesses can be treated by automatically adjusting the height of the grinding roller and the height of the polishing roller, shutdown for manual adjustment is not needed, and the working efficiency is improved.

The utility model discloses a leather buffing and leveling machine which comprises a fixing unit, a winding and unwinding unit, a pressing unit, a polishing unit and a leveling unit. Compared with the prior art, the leather buffing and leveling machine has the following beneficial effects that (1) when the leather buffing and leveling machine is used, winding, unwinding and leveling of leather are carried out step by step; the problem that the leather possibly deforms due to the fact that the leather is directly pulled in the whole pressing process is effectively solved; (2) the leather buffing and leveling machine is provided with a pressure sensor, when leather is flattened and pressed, the larger the change range of a pressure value is, the larger the wrinkles on the surface of the leather are, the rolling needs to be continuously carried out, when the pressure value detected by the pressure sensor tends to be stable, the surface of the leather is relatively flat, the flattening and pressing process can be stopped, and the production efficiency is improved; therefore, sufficient pressing of the leather is ensured, and the problem that in the prior art, due to the fact that the leather passes through the pressing roller and the heating base at a time, insufficient pressing possibly exists is solved.

The invention discloses a leveling device based on belt processing, and aims to solve the problems that a belt is damaged or cannot be completely leveled due to the fact that the leveling pressure is too large or too small in the leveling process after the belt is heated by the existing leveling device based on belt processing, and the leveling device is troublesome to load and unload. The leveling device structurally comprises a leveling mechanism, the leveling mechanism comprises a mounting frame, the two ends of the mounting frame are connected with a feeding conveying belt and a discharging conveying belt through two sets of rotating shafts correspondingly, one of the two sets of rotating shafts is connected with a first belt pulley, and the other one of the two sets of rotating shafts is connected with a second belt pulley. The first belt pulley is connected with a second belt pulley through a transmission belt, and the second belt pulley is connected with a mounting seat through a driving motor. The phenomenon that the belt is damaged or cannot be completely leveled due to the fact that the leveling pressure is too large or too small in the leveling process after the belt is heated is avoided.

This utility model provides a leather cutting device for backpack processing, belonging to the field of leather bag processing technology. It includes a transport platform, a raw material conveying rack on one side of the platform, a waste material winding rack on the other side, and first synchronous electric slide rails on both sides of the platform. A cutting frame is slidably connected to the outer side of the first synchronous electric slide rails, and an adjusting electric slide rail is slidably connected to the top of the cutting frame. A laser cutting tool is slidably connected to one side of the adjusting electric slide rail. A winding shaft is rotatably connected to one side of the waste material winding rack, and a pressure wheel is rotatably connected to the top of the other side of the waste material winding rack. A finished product collection box is located at the bottom of the other side of the waste material winding rack. This utility model provides a leather cutting device for backpack processing. Two extrusion shafts compress the leather during transport, reducing wrinkles. A synchronous electric telescopic rod presses down a limiting pressure plate to stop the leather transport, pressing down on the area of ​​the leather to be cut, keeping the cutting area flat.

The utility model relates to the technical field of leather production, and discloses an ironing machine for producing and processing full-grain natural fallen cowhide sofa leather, which comprises a conveying assembly, a feeding assembly and an ironing assembly are arranged on the edge of the conveying assembly, the feeding assembly comprises a feeding frame, two rollers are arranged on the feeding frame, two ends of the two rollers are connected with roller rotating shafts, and the ironing assembly is arranged on the conveying assembly. The roller rotating shaft is rotationally connected with the feeding frame; the ironing assembly comprises an ironing frame, a hot ironing roller and an extrusion roller are rotationally arranged on the ironing frame, and an adjusting assembly for controlling the extrusion roller to move up and down is arranged on the ironing frame. The leather ironing device prevents leather from running in the ironing process so as not to influence the ironing effect, also avoids direct contact of workers, and improves the safety of the device; the extrusion roller can move up and down, so that the lamination of the extrusion roller, the leather and the hot ironing roller is ensured, and the ironing effect is improved; and water mist permeates into the leather through the atomizing spray head, so that the leather becomes softer and is easy to iron, and meanwhile, the possibility that the leather is scalded can be reduced.

The utility model provides a stretching and flattening device for leather production, which comprises a table plate, one end of the table plate is fixedly connected with a clamping component for fixing leather, the side wall of the table plate is movably connected with a flattening component, and the side wall of the table plate is fixedly connected with a driving component for driving the flattening component to move. The flattening assembly comprises a heating roller, a heating element is inserted into the heating roller in a penetrating mode, a rotating roller is arranged on one side of the heating roller, the bottom ends of the rotating roller and the heating roller are movably connected to mounting blocks, adjusting components for adjusting the distance between the heating roller and the rotating roller are inserted into the mounting blocks in a penetrating mode, and the driving assembly drives the multiple mounting blocks to move in the same direction at the same speed. Leather is wound outside the heating roller and the rotating roller in a staggered mode, preliminary flattening treatment is carried out under the action of the gravity of the leather, the leather is heated through the heating roller, the leather is rolled through the heating roller and the rotating roller, the leather is fully stretched, the requirement for machining precision is lowered, and the probability of accidents is also lowered.

The utility model discloses a wrinkle removing device for leather product processing and production, which comprises a support frame, the top end of the support frame is fixedly connected with a connecting frame, the middle part of the connecting frame is provided with a mounting groove, the inner wall of the mounting groove is provided with a guide groove, the inner wall of the mounting groove is fixedly connected with a fixed seat, and the fixed seat is fixedly connected with a base. A lower heating roller is rotationally connected to the interior of the fixed seat, a rotating motor is fixedly connected to the front face of the lower heating roller and fixedly connected with the fixed seat, a first spring is fixedly connected to the top end of the fixed seat, and a movable seat is fixedly connected to the top end of the first spring; an upper heating roller is rotationally connected to the interior of the moving seat, and resistance wires are arranged in the upper heating roller and the lower heating roller. A leather product is placed between the upper heating roller and the lower heating roller, and the resistance wire works, so that the upper heating roller and the lower heating roller are heated, heat is transferred to the leather product, and the overall wrinkle removing effect is improved.

This invention relates to a method for preparing a leather repair ointment based on solid waste from leather tanning. The method involves taking waste bovine hair, adding deionized water, acid, acidic protease, and hydrogen peroxide, filtering to remove impurities, and neutralizing. The hair is then dissolved in thionyl chloride, and 10 parts of N,N-dimethylformamide, pentaerythritol, sodium hydroxide, water, and ethanol are added. Titanium nitrate, copper nitrate, nickel nitrate, carboxylated keratin, and polycarboxyl ligands are dispersed in N,N-dimethylformamide. Carboxylated keratin powder, high-performance filler, oil and wax additives, and composite resin are added to obtain the leather repair ointment. This application uses an acid-enzyme combined method to hydrolyze waste bovine hair to prepare keratin. Glyoxylic acid is used to convert amino groups to carboxyl groups, promoting the formation of stable high-performance fillers by keratin and polycarboxylic acid ligands. This increases the carboxyl content of the high-performance filler, preparing hyperbranched organic matter with extremely strong coordination chelating ability. The remaining uncoordinated carboxyl groups can also improve the water dispersibility of the high-performance filler.

The utility model discloses leather surface texture embossing equipment which comprises a working table, supporting rods are arranged on the two sides of the lower end of the working table, a base is arranged at the lower ends of the supporting rods, a flattening mechanism is fixedly connected to the upper end of the working table, and a supporting frame is fixedly connected to the middle of the upper end of the working table. The upper end of the supporting frame is detachably connected with an embossing mechanism, sliding grooves are formed in the front end and the rear end of the supporting frame, and limiting grooves are formed in the two sides of the supporting frame. Through the arrangement of the flattening mechanism, the equipment can flatten leather before leather embossing, wrinkles on the surface of the leather are eliminated, and the situation that the embossing effect is poor due to the wrinkles in the leather embossing process is avoided; by arranging the embossing mechanism, the equipment can conduct embossing treatment on different lines on leather, operation is easy and convenient, embossing lines are easy to replace, during use, an electric push rod is started, the telescopic end of the electric push rod drives a connecting plate to move, and the connecting plate drives a mounting frame to move.

The utility model relates to the technical field of leather production, and provides a stretching and leveling device for leather production, which comprises a rack and a transverse frame, the transverse frame is arranged at the top of the rack, an unfolding component is arranged on the transverse frame and the rack, a leveling component is arranged on the transverse frame, and the unfolding component comprises a pair of telescopic cylinders. The telescopic cylinders are fixed to the two sides of the surface of the rack respectively, the output ends of the telescopic cylinders are connected with the transverse frame, and the two sides of the transverse frame are rotationally connected with rotating frames through pin shafts. By means of the technical scheme, the problems that according to some stretching and leveling devices for leather production in the related technology, the distance of a heating assembly cannot be adjusted, so that the heating temperature is changed, leather is prone to being damaged, the standard reaching rate is low after leather leveling, and the existing stretching and leveling devices for leather production cannot adjust the distance are solved. And one machine can only stretch and flatten the leather of the same specification, so that the cost is high, and the production and use are inconvenient.

The utility model belongs to the field of drying equipment, and particularly relates to a multifunctional cleaning type tanned leather drying device which comprises a drying table, a drying bin is fixedly installed at the top of the drying table, sliding grooves are formed in the inner walls of the two sides of the drying bin, and the same flat support is installed on the inner sides of the two sliding grooves in a sliding mode. A plurality of leveling mechanisms are arranged on the inner side of the leveling bracket; a cleaning mechanism is arranged on one side of the drying table, and a discharging plate is fixedly installed on one side of the drying table. According to the tanning leather drying device, when tanning leather is dried, the tanning leather can be rolled through the leveling roller, so that the tanning leather is kept flat as far as possible in the drying process, the conditions of edge warping, deformation and the like are prevented, the practicability of the device is improved, the dried tanning leather can be cleaned through the arranged brush roller, and dust on the surface of the tanning leather can be swept away.

The utility model discloses an adjustable leatherware polishing device, relates to polishing equipment technical field, including the work bench, the top end both sides of the work bench are provided with vertical plate, and the surface of vertical plate is provided with through groove, and the inside of through groove is slidingly provided with moving block, one side of moving block is rotatingly connected with the polishing roller, and the other side of moving block is rotatingly connected with the polishing roller. A first motor used for driving the grinding roller is installed on one side of the moving block, and the top end of the vertical plate is connected with a first air cylinder connected with the top end of the moving block. A transverse plate is arranged on one side of the vertical plate, a first support with the U-shaped section is arranged on one side of the transverse plate, and a second support is arranged at the bottom end of the first support in a sliding mode. According to the leather product polishing device, the pressing roller can be actively attached to the surface of a leather product through lifting adjustment, local protrusions such as edge warping and soft leather wrinkles caused by clamp deformation, material elasticity or machining errors are immediately flattened before polishing or in the polishing process, and excessive cutting or area omission caused by uneven contact force of the polishing head is avoided.

The utility model relates to the technical field of leather drying, and provides a leather drying and setting machine which comprises a box body, openings are formed in the two sides of the box body, conveying mesh belts are arranged in the openings, a leveling structure is installed at the top end of the box body, and a drying structure is installed in the box body. Through the arrangement of the leveling structure and the cooperation of the threaded rod and the lifting plate, the height of the leveling roller can be flexibly adjusted, leather with different thicknesses and hardness can be adapted, the universality of the equipment is enhanced, rolling is conducted on the leather through the leveling roller and the roller, wrinkles and deformation are eliminated, it is ensured that the dried leather is flat and smooth, and the product yield is increased.