1240results about "Skins/hides/leather/fur manufacturing apparatus" patented technology

The invention provides a leather drying machine, which belongs to the technical field of leather production equipment and solves the technical problems of poor drying effect and the like of existing leather drying equipment. The leather drying machine comprises a base, wherein a drying drum with an opening at the upper end is fixedly arranged on the base; a driving motor is arranged at the bottom part of the drying drum; a rotating disc is connected onto an output shaft of the driving motor; a positioning shaft is arranged in the central position of the rotating disc and is provided with a clamping device which can fix two edges of leather on the positioning shaft; the rotating disc is also uniformly provided with three tensioning drums which abut against the leather and tension the leather; an air drum is arranged at the outer side of the drying drum, is internally provided with a fan and is communicated with the drying drum; the upper end of the drying drum is provided with a spongy water absorbing plate covering the opening; electric heating wires are arranged in the tensioning drum. The leather drying machine provided by the invention has the advantages of good drying effect and the like.

The invention discloses a leather dust catcher with the hairbrush position adjustable function. The leather dust catcher comprises a machine body. A first opening is formed in the top of the machine body. A supporting base and a water tank are fixedly connected to the right side of the machine body from top to bottom in sequence. A sliding rail, a workbench and a water pump are sequentially arranged inside the machine body from top to bottom. The sliding rail is connected with a sliding block in a sliding mode, and the top of the sliding block is fixedly connected with a first motor. The end, far away from the sliding block, of the first motor penetrates through the first opening and extends out of the machine body. According to the leather dust catcher with the hairbrush position adjustable function, a screw rod is driven by the first motor to be matched with an internal thread hollow column so that a hairbrush can move up and down; and due to the arrangement of a rotary table, a first rod body and a second rod body which are driven by a second motor, the sliding block can move left and right on the sliding rail, and the sliding block is matched with the sliding rail for use so that the hairbrush can scrub leather back and forth in a large-area mode.

The invention discloses a leather embossing device for basketball manufacture. The structure of the device comprises a bottom plate, a left side plate, a top plate, an embossing mechanism, a materialshaking device, a collecting frame and a rotating device; and the bottom of the left side plate is vertically arranged at the left side of the top of the bottom plate by means of welding connection, the top is vertically mounted at the left end of the bottom of the top plate by means of welding connection, the embossing mechanism is arranged below the top plate, and the top of the bottom plate isprovided with the material shaking device and the collecting frame from left to right in order; the embossing mechanism and a conveyor belt move in a clearance fit movement, when the embossing mechanism embosses on the basketball leather, the embossing mechanism is raised, the conveyor belt starts to transport the next piece of leather to be embossed to lower part of the embossing mechanism, and during the processing process of the embossing mechanism, the conveyor belt is in a stopped state. This automatic feeding method can replace the manual picking method, which can be used for continuousproduction in order to improve work efficiency, and at the same time, accidental injury during manual picking can be avoided.

A method, a system and a pelt board for the drying of the leather side of pelts from furred animals, in which the pelt board is a hollow distension element, the surface of which has an open structure. The leather side is dried by changing the air within the distension element. The distension element is lockable in a position in which it has a first circumference, and can also assume a position or be force controlled to a position in which it has a circumference which is smaller than the first, which results in a considerably easier removal of the pelt from the pelt board. A quicker, more uniform and more effective drying of the pelts is achieved, so that “black spots” on the leather side are avoided, and the pelt is fixed in its stretched position on the pelt board without the use of clips / staples.

The invention discloses an automatic cutting machine which comprises a work machine table. The upper end of the work machine table is provided with a work table top. The work table top is provided with two supports corresponding to each other. A work-piece conveying table bracket is arranged between the two supports and provided with two corresponding work-piece conveying tables. A cutting device is arranged between the two work-piece conveying tables. One side of the work machine table is provided with an electrical appliance power distribution cabinet. One end of the work table top is provided with a touch type operation panel. Flaky materials are placed on an acrylic plate, a start key is pressed, and feeding idler wheels can advance in a running-down mode; when a photoelectric sensor senses coming of the materials, the edges can be automatically cut and trimmed neatly according to the length set by the photoelectric cardinal number, fixed length cutting is carried out and the cutting number is controlled according to the cut length set by a numerical control device; after the number of cutting is finished, the feeding idler wheels enable the acrylic plate to retreat to the original start position according to the length set by the reversing length.

The invention discloses a cutting device for leather bag manufacturing. The cutting device structurally comprises foot cups, a supporting frame, supporting legs, a transmission box, a workbench, a conveying belt, a feed port, a cutting box, a first motor, a power drum, an unpowered drum and a supporting plate; the foot cups are vertically arranged at the bottoms of the supporting legs in a boltedconnection manner; and the tops of the supporting legs are vertically arranged at the four corners of the bottom of the workbench by welding. The conveying belt on the workbench is matched with a cutting device body in the transmission box in an intermittent feeding manner, when the cutting device body works, the conveying belt stops feeding, and when the cutting device body stops working, the conveying belt continues to feed, so that leather is continuously machined by adopting an intermittent cutting and feeding mode, a manual cutting mode is replaced, and the working efficiency is improved.

The invention discloses a full-automatic leather printing and cutting machine which comprises a framework, an automatic rectifying mechanism, an automatic feeding manipulator, an automatic laser cutting mechanism, an automatic printing mechanism and a control system. A frame and a frame shaft are arranged at the front end of the framework, the frame shaft is arranged on the frame, the automatic rectifying mechanism is arranged at the front end of the framework, the automatic feeding manipulator, the automatic laser cutting mechanism and the automatic printing mechanism are arranged on the framework, and the control system is arranged in the framework and is connected with the automatic feeding manipulator, the automatic laser cutting mechanism and the automatic printing mechanism. The full-automatic leather printing and cutting machine has the advantages that manual production can be truly replaced by machines, accordingly, the leather processing efficiency and processing precision can be greatly improved, and the processing cost can be reduced; optional patterns can be accurately printed by the printing mechanism by the aid of the computer control system, and the problem of asymmetric pattern printing in existing leather processing procedures can be effectively solved.

The invention discloses a high-efficient leather dedusting device, and relates to the technical field of leather dedusting. The leather dedusting device with a rapid dedusting function comprises a bottom plate, wherein two sides of the bottom of the bottom plate are separately fixedly connected with a base; the top of the bottom plate is fixedly connected with a dedusting box; exhaust fans are fixedly connected onto two sides of the dedusting box and on the top of the bottom plate through support rods; the two sides of the inner wall of the dedusting box are fixedly connected with telescopic pipe devices; and the end, which is far away from the dedusting box, of each telescopic pipe device is fixedly connected with a fixed plate. By adopting the high-efficient leather dedusting device, dust on the surface of leather can be effectively removed; the problems existing in most current dedusting devices of simple structure, low practicability and poor dedusting effect are solved; the phenomenon that dedusting for the surface of the leather is not thorough, so that subsequent processing for the leather is affected is avoided; and furthermore, the leather can be clamped during clamping, so that the leather is prevented from slipping during dedusting, and the dedusting effect is not affected.

The invention provides an automobile leather delivering and drying AIO machine, and belongs to the technical field of machinery. At present, automobile leather should be delivered to the baking oven of a conventional leather drying machine by people, the production cannot be carried out continuously, the production efficiency is low, and the provided AIO machine solves the problems mentioned above. The AIO machine comprises a delivering device and a drying device; the delivering device comprises a work bench and a plurality of positioning frames, an annular guide rail is arranged on the work bench, multiple clamping mechanisms for clamping the positioning frames are arranged under the annular guide rail, a power mechanism, which can drive the clamping mechanisms to move back and forth, is arranged in the annular guide rail, each positioning frame is provided with a positioning structure, which can be used to extend the automobile leather and position the automobile leather on the positioning frame; the drying device comprises a baking oven fixed on the work bench, the upper part of the baking oven is provided with a plurality of openings, from which the positioning frames can enter the baking oven, and the upper part of the baking oven is also provided with an closing structure, which can close the openings. The AIO machine has the advantages of high production efficiency, and low labor strength.

The invention discloses a leatherworking leveling device convenient to use. The leatherworking leveling device comprises a bottom plate. The two sides of the upper surface of the bottom plate are fixedly connected with vertical plates. Sliding grooves are formed in the opposite sides of the two vertical plates. The front side and the rear side of the inner wall of each sliding groove are connected through a sliding rod. A sliding block is in sliding connection in each sliding groove and is in cup joint to the corresponding sliding rod. The opposite sides of the two sliding blocks are fixedly connected with mounting plates. The sides, deviating from each other, of the two mounting plates are in lap joint to one sides of the two vertical plates correspondingly, and the opposite sides of the two mounting plates are fixedly connected with sliding rails. According to the leatherworking leveling device convenient to use, through the improvement on a grinding roller and cooperation with use of the sliding blocks in the sliding grooves, a lifting plate can drive the grinding roller to move front and back; under the action of the sliding rods, leather can be stably leveled; when a press plate is pressed down, the surface of the grinding roller can be in lap joint to the surface of the leather; and through cooperation with use of damping springs and a buffer spring, the grinding force of the grinding roller to the leather can be conveniently adjusted.

The invention relates to the field of material cutting and discloses an automatic cutting machine and an automatic cutting method thereof. The automatic cutting machine includes a cutting table, a laying table, a pickup table and a transmission mechanism. The transmission mechanism is used for conveying materials to be cut to the cutting table and then conveying the materials to the pickup table after cutting. The automatic cutting machine further includes a detector, a controller and a warning device. The controller is connected with the detector, the warning device and the transmission mechanism respectively. The detector is used for detecting whether men are located on the table surface of the laying table or the cutting table. The controller is used for sending control signals when the detector detects men on the table surfaces. Control signals are used for triggering the warning device to send warning messages and / or controlling the transmission mechanism to stop turning. The automatic cutting machine can protect personal safety of operators during operation, improves the production automatic degree and avoids personnel injury occurred in the production process of the machine.

The invention relates to a test device (10) for determining the quality of leather (9) in leather production, wherein the test device (10) is designed for testing a quality category of the leather (9) and for outputting a quality value identifying the leather (9) with respect to the quality category, wherein the test device (10) comprises fluoroscopy equipment (16) for testing the homogeneity of the leather (9), by means of which at least partial areas (22, 23, 24, 27, 29) of the leather (9) can be fluoroscopically examined and that are designed for outputting fluoroscopy data (D) to analysis means (19), and the analysis means (19) are designed for comparing the fluoroscopy data (D) to characteristic data typical for skin damage or inhomogeneity in leather (9) and for categorizing detected skin damage of tested partial areas (22, 23, 24, 27, 29) of the leather, and display means (20), and are designed for displaying the categorized skin damage or the quality value of the leather (9), preferably for each partial area (22, 23, 24, 27, 29) of the leather (9).

The invention relates to a leather cutting operation table, in particular to a leather cutting operation table for football production. The leather cutting operation table for football production has the beneficial effects that time and labor are saved, the cutting efficiency is high, the cutting speed is high, cutting is smooth, partial leather cannot be easily worn in the manual pulling-out process of leather, and the leather quality can be improved. For realizing the beneficial effects, the leather cutting operation table for football production comprises an operation table body, first sliding rails, first sliding blocks, a 7-shaped plate, a push rod, a first air cylinder, a hexagonal blade, a cutting plate, second sliding rails, second sliding blocks, a second air cylinder and the like, wherein the front of the top of the operation table body is connected to the first sliding rails through bolts. According to the leather cutting operation table for football production, workers push the push rod and step on a pedal to drive the hexagonal blade to cut large-batch leather.

A method and apparatus of a toggle clamp assist tool for a toggle clamp having a clamp jaw, clamp arm, and a clamp loop. The toggle clamp assist tool comprises a base member. A clamp pin coupled to the base and configured to engage the clamp loop of the toggle clamp. An actuator is mounted on the base and configured to contact the clamp arm of the toggle clamp. A controller is coupled to the actuator, wherein the actuator is selectively in contact with the clamp arm of the toggle clamp when the controller is activated. The actuator may be one of a fluid cylinder and an electric apparatus.

A method for laying out pieces to be cut out from a remnant of flexible material, the cut out pieces being used to manufacture an article. A mask generic to remnants of a given type is generated. The at least one generic mask is subdivided into zones which correspond to different gradations of a characteristic of the remnant, e.g. leather color or leather grain. At least some of the pieces to be cut out are assigned a set of constraints including at least one value constraint for a characteristic of the remnant. At least some of the pieces to be cut out are linked to each other, for example, as a function of the constraints assigned to the respective pieces. The at least one generic mask is applied to a particular remnant of the given type to subdivide the particular remnant into zones having uniform characteristics. The pieces to be cut out are automatically laid out on the particular remnant as a function of any constraints assigned to the pieces, and in compliance with the links defined between the pieces.

The invention belongs to the technical field of leather production, and particularly relates to a cutting device for leather. The cutting device for leather aims to achieve the technical effects that the labor intensity of workers can be reduced, the cutting efficiency can be improved, operation is easy and use is convenient. In order to achieve the technical effects, the cutting device for leather comprises a table top and the like, the bottom of the table top is connected with supporting legs through bolts, the middle of the table top is transversely provided with a groove, the top of the table top is provided with an up-down movement mechanism, a movement component of the up-down movement mechanism is connected with a transverse plate, the bottom of the transverse plate is provided with a left-right movement mechanism, and a movement component of the left-right movement mechanism is connected with a cutter. By means of the left-tight movement mechanism, the cutter moves rightwards to cut the leather, and the leather is fixed through a fixing device.

The invention relates to the field of shoe material manufacturing equipment, in particular to a dust removal device for leather. The dust removal device comprises conveying belts and a longitudinally symmetric dust removal mechanism, wherein the dust removal mechanism comprises a fixed box, supporting wheels, a positive pressure fan and a negative pressure fan; the supporting wheels are symmetrically arranged on the two sides of the fixed box; a double-layer pipeline is arranged in the fixed box; an inner pipe of the double-layer pipeline is connected with the positive pressure fan, and an outer pipe of the double-layer pipeline is connected with the negative pressure fan; a dust removal brush is arranged between the outer pipe and the inner pipe and is connected with the fixed box through spring rods; the aperture of the bottom of the inner pipe is one tenth of the aperture of the inner pipe. The dust removal device has the beneficial effects that the dust removal brush is firstly used for scattering dust attached to the leather, then the dust is removed through the action of the double fans, the surface of the leather is not damaged in the entire process, and the cleaning effect is good.

The invention discloses an adjustable leather cutting machine. The adjustable leather cutting machine comprises a device main body. The adjustable leather cutting machine is characterized in that a displacement operation cavity which penetrates left and right is formed inside the device main body; a transporting device is arranged inside the displacement operation cavity; pressing rollers are rotatably arranged inside the transporting device; and when leather is moved below the pressing rollers, the leather can be pressed flat through the pressing rollers, subsequent tailoring accuracy is guaranteed, and waste of the leather is not generated. The adjustable leather cutting machine aims to achieve the technical effects that automatic tailoring of the leather can be achieved; the leather canbe pressed and smoothed automatically before being tailored; smoothness of the leather tailored is guaranteed; tailoring of rough leather is prevented from happening; waste of the leather is avoidedto the maximum extent; and meanwhile, automatic adjustment can be conducted on the tailoring position of the leather, and the intelligentized degree is higher.

The present invention discloses a waxing device for production of sofa leather. The device includes a feeding box provided with a feeding chamber therein; the feeding chamber is open upward and is provided with a feeding device for transporting leather; the upper side end face at the rear side of the feeding chamber is fixedly connected with a fixed plate; the front side end face of the fixed plate is provided with a spraying device; the spraying device cleans the leather with an air flow, and sprays wax to the leather; a lifting device located at the right side of the spraying device is disposed on the front side end face of the fixed plate; the lifting device is provided with a waxing device for waxing and polishing therein; and the lifting mechanism of the present invention can drive the waxing mechanism to move up and down so as to realize self-adaptation for waxing of the leather of different thicknesses, realize automatic removing of liquid wax inside a spraying pipe and preventthe cured liquid wax from blocking the spraying pipe and affecting subsequent processing.

The invention discloses a flexible leather piece cutting device and a realizing method thereof. The device comprises a working table top, a projector, an industrial camera, a mounting bracket, a manipulator, a matrix sucker clamp and a base, wherein the mounting bracket is arranged above the working table top and is located in a corresponding range of a rear cutting region of a numerically controlled leather cutting machine; the projector and the industrial camera are separately arranged on the mounting bracket; the manipulator is mounted on the base; and the matrix sucker clamp is located above the manipulator and connected with the manipulator through a mounting rack of the matrix sucker clamp. The cutting device provided by the invention is low in labor cost and high in efficiency, and can realize the classified collection of leather pieces, save labor and increase the production efficiency.

A machine for cutting leathers (1), comprising: a structure (2) which circumscribes an operating area (3) where the leathers are to be laid, maintained stretched and still such as to allow cutting operations; at least an aspirating plane (4, 40) arranged at the operating area (3) and connected to a depression source (9) such as to maintain the leather stretched and still following activation of the depression source (9); a cutting unit (5), borne by the structure (2), arranged above the operating area (3) and movable with respect thereto, such as to realise the cut In the leathers in the operating area (3); the machine (1) comprising at least two closed-loop belts (6, 66) made of a permeable material and flanked to one another, each comprising an upper branch (60, 606) and a lower branch (61, 616), each of the belts (6, 68) being arranged such that the upper branch (60, 606) thereof remains above and in proximity of the aspirating plane (4, 40), in order to restingly receive the leathers to be cut and in order to enable laying of the leathers thereon; the belts (6, 66) being attracted by the aspirating plane (4, 40) following activation of the depression source (9), such that the leathers thereon remain stretched and still; the structure (2) comprising an outlet passage (7) of the leathers, arranged facing the upper branch (60, 606) of each of the belts (6, 66); each belt (6, 66) being activatable, following the completion of the cutting operations thereon, such that the relative upper branch (60, 606) is movable towards the outlet passage (7) in order for the cut leathers to be transferred out of the operating area (3), externally of the structure (2), independently of the other belt (6, 66).

The invention discloses dust removal and waxing equipment for surfaces of leather products. The dust removal and waxing equipment comprises an equipment rack, conveyor belts are mounted at the upper end of the equipment rack, and a plurality of negative pressure holes are formed in the conveyor belts in a penetrating mode. A negative pressure machine is fixedly arranged between the upper and lowerlayers of conveyor belts, and a dust removal mechanism is fixedly arranged on the position, above the conveyor belts, of one side of the equipment rack. A dust suction mechanism is fixedly arranged on the position, on the right side of the dust removal mechanism, on the equipment rack. A waxing mechanism is fixedly arranged on the position, on the right side of the dust suction mechanism, on theequipment rack. When the dust removal and waxing equipment is used, large particle dust on the leather surfaces is brushed through the dust removal mechanism; after the surfaces of the leather products are primarily treated through a brush on a dust removal plate, the leather products are conveyed to pass through the dust suction mechanism by the conveyor belts, a cavity is in a negative pressurestate through a negative pressure pump, and thus dust on the surfaces of the leather products is adsorbed up; and a waxing sponge layer can ensure that in the rotating process of a waxing roll shaft,waxing grease is evenly smeared on the leather products, and automatic waxing work of the leather products is completed.

The invention discloses a dust removal device for leather processing, and relates to the technical field of leather processing. The dust removal device for leather processing comprises a base, wherein a box body and a controller are fixedly installed at the top of the base in sequence from the left to right; two automatic telescopic rods are fixedly installed at the top of the base and located in the box body; a workbench is fixedly installed at the tops of the automatic telescopic rods; an anti-slide pad is fixedly installed at the top of the workbench; and a motor is fixedly installed at the top of the inner cavity of the box body. The dust removal device for leather processing achieves an effect of dust removal for the leather through arrangement for a motor, a rotary disc rubber tube, a grinding block, a dust removal brush, a fan and a high-pressure air nozzle; the grinding block grinds dust difficult to clean on the leather, thus the dust on the leather is better cleaned, the cleanliness of the leather is greatly improved, the quality of the leather is improved, and then the production quality of the leather is greatly improved.

The invention discloses an efficient cutting device for leather production. The device comprises two parallel screws, the outer walls of the two screws are sleeved with ball nuts, the outer walls of the ball nuts are sleeved with moving blocks, a linear guide rail is jointly connected between the side walls of opposite sides of the two moving blocks, and comprises a guide rail body and a sliding block arranged on the outer wall of the guide rail body in a sleeving manner, a mounting opening is formed in the lower side wall of the guide rail body, a first air cylinder is arranged in the mounting opening, the drive end of the first air cylinder is connected with a U-shaped plate, the lower side walls of the two moving blocks are jointly connected with a connecting plate, and two rotating rods are rotatably connected with the lower side wall of the connecting plate. Leather can be clamped and then tailored through a pressing block, leather displacing during tailoring can be avoided, cutting quality is improved, meanwhile, through moving of the moving blocks and the sliding blocks, the leather with the proper length and width can be tailored, the adaptation is wider, the structure issimple, and the device is convenient and practical.

A pelt drying assembly having a pelt board used in the drying of the leather side of a pelt which, in use, is applied to, stretched and secured on the distension element in the stretched position during drying, and a sleeve / bag made of fat and moisture absorbing material for covering the pelt secured in the stretched position by having been drawn over the fur side of the pelt so as to press the pelt against a holding area of the distension element. The sleeve / bag is tubular for drawing onto the pelt board from a pointed end thereof until it covers at least a part of the holding area on the distension element, and has a length equal to at least 1 / 3, preferably 1 / 2, of the length of the holding area of the distension element.

The invention relates to the technical field of fur processing, in particular to fur rolling equipment. The fur rolling equipment comprises a base and further comprises a main rack which is blocking connection at one side of the upper end of the base, an operating frame which is in blocking connection at the other side of the upper end of the base, a beam arranged at the upper end of the main rack, a chassis, a motor and a rolling part which is arranged on the lower part of the case in a penetrating mode and is in rotary connection onto the motor; the operating frame comprises a guide barrel, a telescopic pole, an extruding part which is in rotary connection to the telescopic pole through threads, a supporting plate which is in rotary connection to the upper end of the telescopic pole through threads, an operating bearing part which is in blocking connection to the upper end of the supporting plate, a fixed block, a side rod, a pressing part which is in blocking connection to one end, away from the side rod, of the side rod, and a first spring which sleeves the telescopic pole and is positioned between the supporting plate and the extruding part. The fur rolling equipment realizes regulation on rolling force through the operating frame and the rolling part.

The invention provides a leather grinding machine, and belongs to the technical field of machines. The technical problems that an existing leather grinding machine is huge in size and cannot be conveniently used by research personnel are solved. The leather grinding machine comprises a base, a fixed table arranged on the base, and a movable table arranged on the base. The leather grinding machine is characterized in that the fixed table is provided with a first roller and a second roller which are parallel; the first roller and the second roller are arranged on the fixed table in a circumferential rotation and axial fixing manner; a conveying belt is arranged between the first roller and the second roller in a sleeving manner, and the first roller is driven by a first motor; the movable table is located on one side of the fixed table, and the base is provided with a lifting mechanism pushing the movable table to ascend and descend up and down; and a limiting mechanism used for limiting the lowest height of the movable table is further arranged between the movable table and the base. The leather grinding machine has the beneficial effects that the mechanical structure is simple, and the leather grinding precision is high.

The present invention is a method and system for processing animal hides in a meat processing facility. In one embodiment, the system the system includes a grading station for determining hide grades, a measuring station for determining at least one hide dimension of the animal hide, a hide folding station, a stacking station adapted to deposit hides at a plurality of stacking sites, a conveyor system and a control system.

The invention discloses a punching device for belt machining. The punching device comprises a base plate, a support, a workbench, a cross groove, a compressing device, a threaded rod, a movable block,a first installing plate, a telescopic rod, a second installing plate, a second spring, a first motor, a cam, an installing rod, an annular blade, a second motor, an adjusting rod, a sleeve, a connecting rod, a rack, a gear, an inner ratchet, a pawl and a fourth spring. The compressing device comprises a hinge pin, a first spring, a magnet and an iron plate. The punching device is provided with the workbench, the compressing device, a gas pipe and a dust collector, a belt is fixed, operation is simple, and convenience and quickness are achieved. The movable block, the threaded rod, the firstmotor, the cam, the annular cutter, the second motor, the adjusting rod, the sleeve, the connecting rod, the rack, the gear, an inner gear and the pawl are arranged and matched, continuous punching can be conducted at equal intervals, work efficiency is high, in addition, the hole space can be adjusted by adjusting the relative position of the sleeve and the adjusting rod, so that different needsare met, and applicability is high.

The invention provides a punching machine which is uniform in impact and excellent in punching precision and punching effect, and suitable for cloth, leather and artificial leather, and is especially capable of improving the punching precision and the punching effect aiming at multiple holes. The punching machine provided by the invention comprises a rack, wherein a punching cutter, a punching plate and a drive mechanism are arranged in the rack; the punching plate is movably arranged in the rack up and down and impacts the punching cutter; the punching plate is driven to move up and down by the drive mechanism; the tail end of the punching cutter is in a plane shape of which the area is equal to the area of a punching hole to be processed; the punching plate comprises a surface in a plane shape; the surface of the punching plate is parallel to the plane of the tail end of the punching cutter; the surface area of the punching plate is larger than the area of the plane formed at the tail end of the punching cutter; the rack comprises an elastic component acting on the punching cutter; and the punching cutter comprises a static station under the action of the elastic component only, and comprises an up and down microstroke under the combined action of the punching plate and the elastic component.