131results about How to "Reduce glitches" patented technology

The invention belongs to the technical field of chip processing, and discloses a wafer laser cutting device based on chip processing, which comprises a vibration mechanism, the vibration mechanism comprises four sliding blocks, the interiors of the sliding blocks are fixedly connected with first motors, and the first motors are rotatably connected with cams; through cooperation of the cam, the clamping plates and other structures, the laser cutting effect of the wafer is improved, the first motor is started to enable the wafer clamped among the four clamping plates to generate slight vibration in the vertical direction, the slight vibration promotes micro movement of a material in the laser cutting process, better interaction between a laser beam and the material is facilitated, and the laser cutting efficiency is improved. A more uniform and smoother cutting face is achieved, the vibration effect can accelerate the melting or crushing process of materials, the cutting time is shortened, the cutting efficiency is improved, meanwhile, vibration can accelerate airflow on the surface of a wafer, a certain heat dissipation effect is achieved, local overheating of the materials is reduced, expansion of a heat affected zone is avoided, and the flatness of the cutting edge is improved.

The invention relates to the technical field of steel strip cutting and slitting, in particular to cold-rolled steel strip slitting equipment which comprises a cutting mechanism, the cutting mechanism comprises a cutting knife used for cutting a steel strip, a first iron core is arranged on the side wall of the cutting knife in a sliding mode, and a first electromagnetic coil making contact with the first iron core is arranged on the outer gap of the first iron core in a sleeving mode; and the bottom end of the cutting knife is fixedly connected with a second iron core. After a steel belt is placed on the top of the cutting table, the steel belt can push a rotating wheel and a rolling frame to synchronously move upwards, the telescopic end of a first elastic telescopic rod drives a first conducting strip to slide on a first resistance plate, the current of a first sliding rheostat is detected through a current detection module in a PLC, and therefore the thickness of the steel belt is fed back; according to the thickness of the steel belt, the PLC controls current introduced into the first electromagnetic coil and the second electromagnetic coil, so that the cutting knife generates proper frequency to perform high-frequency vibration up and down and left and right.

The invention provides a diamond / copper multi-layer composite material capable of being subjected to high-temperature silver-copper welding, a preparation method of the diamond / copper multi-layer composite material and a heat dissipation device comprising the diamond / copper multi-layer composite material capable of being subjected to high-temperature silver-copper welding. The diamond / copper multilayer composite material capable of being subjected to high-temperature silver-copper welding is of a sandwich structure, a middle layer is made of a diamond / copper composite material, and an upper layer and a lower layer are respectively made of any one of tungsten copper, molybdenum copper and copper / molybdenum copper / copper (CPC material). The surface of the diamond / copper multilayer composite material is covered with the metal alloy material, so that the diamond / copper multilayer composite material has remarkably improved strength and lower thermal expansion coefficient at high temperature, and can be welded with ceramic at high temperature, so that a silver-copper solder can be used for replacing a gold-tin solder, and the application cost of the diamond / copper multilayer composite material is reduced.

The invention relates to the technical field of material cutting, and discloses cutting equipment for color steel tile processing, which comprises a workbench, a conveying mechanism is fixedly mounted at the top of the workbench, the conveying mechanism can convey a color steel tile forwards, and a limiting mechanism for preventing the color steel tile from shaking is arranged at the top of the color steel tile. A laser device is further installed on the top of the workbench and can emit laser for cutting the color steel tile. The cutting track of the laser device coincides with the shape of the cross section of the color steel tile through the adjusting assembly, so that laser emitted by the laser device can accurately track the corrugated shape of the color steel tile, a constant distance is kept between the laser emitted by the laser device and the color steel tile, high cutting precision is kept, the cutting face is smoother, and the cutting efficiency is improved. And burrs are prevented. The laser is used for cutting along with the corrugated shape of the color steel tile, so that burrs and irregular edges left by a traditional cutting knife can be effectively removed, and the cut edges are smoother and more attractive.

The invention relates to the technical field of optical fiber processing, and discloses a multi-core-diameter optical fiber ultrasonic cutting system under uniform stress, which comprises a clamping symmetrical assembly, a horizontal tension driving assembly, an ultrasonic cutting assembly and a cutting knife pushing assembly, an optical fiber is clamped through the cooperation of the pressing plate and the clamping assembly base; the clamping assemblies are slidably connected with the horizontal tension driving assembly, the two clamping assemblies are driven by the horizontal tension driving assembly to move reversely, and horizontal tension is applied to the optical fiber, the ultrasonic cutting assembly is slidably connected with the cutting knife pushing assembly, and the cutting knife pushing assembly is arranged on one side of the clamping symmetrical assembly and located between the two clamping assemblies. The cutting knife pushing assembly drives the ultrasonic cutting assembly to move to cut the optical fiber; the optical fiber cutting device can effectively meet the cutting requirements of optical fibers with different core diameters, the flatness of the cut end face is remarkably improved, and burrs and cracks are reduced.

The utility model discloses a punching sleeve head assembly structure, a punching connector and a punching tool, and belongs to the technical field of punching tools. A punching seat of the punching sleeve head assembly structure is provided with a placing groove for inserting a punching workpiece, and groove walls of two opposite sides of the placing groove are respectively provided with a first hole and a second hole; the telescopic base is movably arranged in the first hole, and a third hole is formed in the side, facing the second hole, of the telescopic base. The first mounting seat can be inserted into the third hole, the telescopic seat can drive the drill bit to get close to or get away from the second hole, and the perimeter of the drill bit is gradually increased from getting close to the second hole to getting away from the second hole; a fixing hole is formed in the side wall of the first mounting seat, a first threaded hole communicated with the third hole is formed in the side wall of the telescopic seat, and the fixing hole can be aligned with the first threaded hole so that a screw can sequentially penetrate through the first threaded hole and the fixing hole. According to the punching sleeve head assembly structure disclosed by the utility model, one punching sleeve head die can share a plurality of upper punching dies with different sizes, so that the portability of a coupling head can be improved.

The utility model discloses a handrail box burr-free punching die which comprises a base and further comprises a die mechanism, the die mechanism comprises a lower die base, a supporting table is detachably installed on the bottom face of the lower die base, two guide columns are detachably installed on the top face of the lower die base, and an upper die base is detachably installed at the ends, away from the lower die base, of the two guide columns. A die handle is detachably installed on the top face, close to the center, of the upper die base, and a push rod is arranged on the inner surface of the die handle. And the multiple balance mechanisms are the same, each balance mechanism comprises a connecting base, and the top face of each connecting base is fixedly connected with the bottom face of the supporting table. According to the burr-free punching die for the armrest box, in the manufacturing, using and maintaining processes of the die for producing the armrest box, the die can be conveniently kept balanced, the balance and stability of the die are beneficial for reducing the burr problem, and when the die is always kept balanced, the quality of products produced by the die can be conveniently improved.

The invention relates to the technical field of batteries, in particular to a lithium ion secondary battery. Comprising a positive plate, a diaphragm and a negative plate which are stacked and wound, along the winding direction, a current collector of the positive plate is provided with a positive active layer and an insulating layer; the insulating layer partially covers the positive active layer and partially covers the current collector; the insulating layer comprises first inorganic particles; the diaphragm comprises a base material layer and a ceramic layer positioned on at least one side surface of the base material layer, and the ceramic layer faces the positive plate; the ceramic layer comprises second inorganic particles; the ratio of the second Dv50 of the particle size of the second inorganic particles to the first Dv50 of the particle size of the first inorganic particles is 0.25-10, and the second Dv50 is not equal to the first Dv50. According to the lithium ion secondary battery disclosed by the invention, burrs on the positive plate are effectively reduced, the self-discharge and lithium separation problems of the battery are improved, and the cycle life of the battery is prolonged.

The invention discloses a current-steering DAC (Digital-to-Analog Converter) architecture, which relates to a microelectronic circuit technology and comprises a differential dual decoding module, a multiplexer network, a switch driving circuit array and a current source array, the differential dual decoding module comprises two decoding units with consistent structures, namely a decoding unit I and a decoding unit II; the decoding unit I is provided with an input signal input end, the decoding unit II is provided with an inverted input signal input end, the decoding unit is provided with a low-order decoding signal output end, a second decoding signal output end and a third decoding signal output end, the low-order decoding signal output end is connected with the input end of the switch driving circuit array, and the third decoding signal output end is connected with the input end of the switch driving circuit array. The second decoding signal output end and the third decoding signal output end are respectively connected with the input end of the switch driving circuit array through the multiplexer network, and the multiplexer network is also provided with a shift control signal input end. According to the invention, the problems of transmission delay and large loss of high-voltage transmission under high frequency are reduced, and the conversion rate is improved.

The invention relates to the technical field of cutting, in particular to a material cutting device for sensor machining. The technical problems that due to the fact that an existing cutting device cannot conveniently clamp the cutting edge of a membrane, the membrane is likely to deviate in the subsequent cutting process, a cutting tool is likely to extrude and deform the membrane, burrs on the edge of the membrane cannot be conveniently removed through the existing cutting device, and the cutting efficiency is high are solved. Therefore, burrs on the edge of the diaphragm are not flat and smooth. A material cutting device for sensor machining comprises a main mounting frame, a supporting ring frame, an electric push rod and the like. A supporting ring frame is fixedly connected to the upper portion of the main mounting frame, and two electric push rods are fixedly connected to the supporting ring frame. And a telescopic rod of the electric push rod continues to extend to drive a circular ring, a rotating ring, a transmission frame, an extrusion strip, an extrusion frame and a spiral frame to move downwards, then a pressing ring and a placement ring frame jointly clamp the membrane, and then a round rod conducts extrusion limiting on a limiting rod and the pressing ring.

The present invention provides a disassembly device for aluminum shell power batteries, comprising two parallel X-axis linear rails fixed on a workbench, on which at least one battery fixing assembly is slidably provided, and the battery fixing assembly is used to clamp and fix the power battery. It also comprises at least one Z-axis linear rail assembly arranged along the length direction of the X-axis linear rail, and the Z-axis linear rail assembly is fixed on both sides of the workbench. It also comprises a Y-axis linear rail assembly, and the Y-axis linear rail assembly is slidably arranged between the first Z-axis linear rail and the second Z-axis linear rail of each group of Z-axis linear rail assemblies. It also comprises a cutting tool assembly slidably arranged on the Y-axis linear rail of the Y-axis linear rail assembly, and the cutting tool assembly is used to cut the front, back, and two sides of the outer shell of the power battery. The disassembly device of the present invention has the advantages of easy operation, high degree of automation, and high safety.

The invention discloses a high-precision control nickel-64 solid nuclear target electroplating preparation method, which belongs to the technical field of solid nuclear target production, and comprises the following steps: step 1, calculating the mass of a simple substance nickel raw material: injecting protons into simple substance solid nickel, calculating an ionization energy loss curve and making an energy loss integral curve, calculating the mass of the elemental nickel raw material according to the density of the elemental nickel and the relative atomic mass of nickel-64; 2, a nickel plating solution is prepared; and step 3, electroplating to prepare the nickel-64 solid nuclear target. According to the method, the Monte Carlo simulation method based on the Newton's law of motion and the molecular dynamics equation is introduced in the process of calculating the mass of the elementary nickel raw material, and the motion trail and the energy loss of the protons injected into the elementary solid nickel are considered in the calculation process, so that the calculation precision of the mass of the elementary nickel raw material is remarkably improved; the prepared nickel-64 solid nuclear target can meet application requirements, raw material waste is reduced as much as possible, and the production cost is reduced.

The high-precision four-station rotor welding machine comprises a working table, a motor is installed in the working table, and the tail end of an output shaft of the motor penetrates through the working table to be connected with a rotating table; evaluation assemblies are symmetrically arranged on the surface of the workbench, a jig assembly is arranged on the surface of the rotating table, a step block is connected to the surface of the jig assembly, and a feeding transmission belt and a discharging transmission belt are symmetrically arranged on the surface of the workbench. According to the four-station rotor welding machine, a plurality of assemblies are arranged to work mutually and conduct continuous operation, the positioning precision of products is improved and defect detection is achieved through sensors, and meanwhile disordered feeding and ordered discharging can be achieved through a feeding transmission belt, a discharging transmission belt and a mechanical arm CCD; the grating ruler can press the workpieces, meanwhile, the problem that the thicknesses of supplied materials are not equal can be solved, meanwhile, the electric cylinder can press the tool, weld joints between the workpieces are reduced, and meanwhile the problems of welding protrusions and burrs are reduced.

The invention relates to the technical field of aluminum electrolytic capacitor manufacturing, in particular to an anti-lightning aluminum electrolytic capacitor and a manufacturing method thereof.The anti-lightning aluminum electrolytic capacitor comprises an anode foil, a cathode foil, electrolytic paper, electrolyte, a rubber plug, a guide pin and an aluminum shell, the guide pin is riveted to the surfaces of the anode foil and the cathode foil, and the anode foil and the cathode foil are isolated through the electrolytic paper; and winding to form a capacitor core package, infiltrating the core package by the electrolyte, filling the core package into an aluminum shell, sealing the aluminum shell by a rubber plug to form an aluminum electrolytic capacitor, and aging the capacitor to obtain a finished product. According to the anti-lightning aluminum electrolytic capacitor and the manufacturing method thereof provided by the invention, the high-conductivity covering film and the optimized positive foil structure are adopted, so that the anti-lightning aluminum electrolytic capacitor has relatively high compression strength and anti-lightning capability, stable performance can be kept when the anti-lightning aluminum electrolytic capacitor is subjected to strong current impact such as lightning stroke, and the reliability and the safety of electronic equipment are improved.

The present invention discloses a ship anchor chain shearing device, comprising a supporting mechanism, a tie rod mechanism and a shearing mechanism, wherein the supporting mechanism comprises a base supported on the ground, a bracket installed on the inner side of the base, an outer cover installed on the base, a positioning member connected to the outer cover, and a limit clamp installed on both ends of the positioning member. By opening a circular hole adapted to a nut inside a cutting disc, and clamping and installing two pads on both sides of the cutting disc that can limit and constrain the grinding disc, and fixing and installing a clamping disc in a positioning state on the outermost sides of the two pads and the grinding disc, when the cutting disc rotates at high speed and shears the anchor chain raw material, the anchor chain raw material located in the inner groove of the sub-clamp and the main clamp can be rotated and sheared under the driving force driven by the rotation of the outer side of the grinding disc, thereby effectively reducing the problem of burrs on the rear end face of the sheared anchor chain raw material.

The utility model discloses an automatic cleaning wire drawing machine, which belongs to the technical field of wire drawing equipment, and comprises a workbench, the top of the workbench is fixedly connected with a support plate, one side of the support plate is provided with a plurality of wire drawing holes, one side of each wire drawing hole is provided with a polishing assembly, and one side of the top of the workbench is provided with a cleaning assembly. According to the polishing device, the polishing assembly is arranged, a driving motor drives a second reciprocating lead screw to rotate through a driving wheel, a transmission belt, a driven wheel and a second connecting shaft, the second reciprocating lead screw drives a gear ring to rotate in a reciprocating mode through a movable rack, and the gear ring drives a telescopic rod to rotate in a reciprocating mode through a rotating pipe; the telescopic rod drives the grinding block through the connecting plate to grind the outer surface of the metal wire penetrating through the wire drawing hole, burrs on the surface of the metal wire can be reduced, the surface of the finished metal wire is smoother, and the quality of the finished product is improved.

The utility model relates to a kind of lead-acid battery plate production technical field, specifically related to a kind of lead-acid battery plate coating device. Including frame, two symmetrical coating mechanisms of upper and lower setting are installed in frame one side, and roller mechanism is installed on the frame of coating mechanism side, it is characterized in that, two supporting rollers are rotatably arranged on the frame of roller mechanism side, outer smearing edge mechanism, inner smearing edge mechanism and cleaning mechanism are sequentially arranged between the two supporting rollers. The device integrates coating, rolling, smearing and cleaning functions, and the full-process treatment of coating can be completed by single pass of the grid, avoiding deformation or pollution of lead paste caused by multiple handling, significantly improving the production yield and efficiency of the plate.

The utility model discloses a laser cutting device, and belongs to the technical field of cutting equipment. According to the laser cutting device, the to-be-cut strip material is conveyed to the cutting table through the feeding mechanism, and the height of the laser galvanometer assembly is adjusted through the laser adjusting driving piece, so that laser emitted by the laser galvanometer assembly can cut the to-be-cut strip material on the cutting table. Loss caused by increase of the use frequency is avoided, the cutter does not need to be maintained and replaced, sheet materials cut by laser are high in consistency, and powder falling and burrs can be reduced; and meanwhile, dust above the cutting table and on the cutting table is adsorbed through the first dust suction assembly and the second dust suction assembly correspondingly, the dust removal effect is guaranteed, then the dust is prevented from influencing products, and the product quality is guaranteed.

This invention relates to the field of laser cutting technology and discloses a laser cutting device for aluminum profiles, including a base. A housing is mounted on the upper end of the base, and a laser cutting head is mounted inside the housing. One side of the laser cutting head is provided with a transfer mechanism for moving the cut H-shaped aluminum profile segments, and the other side of the laser cutting head is provided with a flipping mechanism for rotating the H-shaped aluminum profile segments. The advantages of this invention are: during the flipping and cutting process of the H-shaped aluminum profile segments, as the H-shaped aluminum profile segments rotate, it is convenient to spray an anti-reflection coating agent onto their outer surface, and the fixing and transfer of the H-shaped aluminum profile segments can be completed efficiently and stably. Simultaneously, burrs on the cut sections at both ends of the H-shaped aluminum profile segments are ground, thereby improving the processing quality of the laser cutting.

The utility model relates to an arc-angle drill bit, which comprises a supporting seat, an arc-angle drill bit and an arc-angle drill bit, the multiple arc angle drill bits are arranged on the circumference and are all fixed to the supporting base, and cutting edge parts of the arc angle drill bits are arranged to be in a wave shape; and the multiple discharging holes are formed in the end face of the supporting base. According to the drill bit, the arc-angle drill bit is arranged, and the arc cutting edge of the arc-angle drill bit can disperse cutting stress and reduce the risk of edge tip cracking during drilling, so that the service life of the drill bit can be prolonged, the number of times of drill bit replacement can be reduced, burrs and microcracks on the edge of a drilled hole can be reduced, and the hole wall roughness can be reduced. The supporting seat and the arc-angle drill bit are made of steel, so that the impact resistance is high during drilling, tipping is not easy to occur under intermittent cutting, the price is lower than that of a sintered drill bit, and the practicability is improved.

The invention provides a multi-channel input median sorting circuit, which comprises a grouping sorting module and a median sorting screening module, and is characterized in that the grouping sorting module is used for performing grouping sorting on data for at least 2k times and removing part of edge data during grouping sorting for even times, the edge data are partial data at one end of a maximum value and partial data at one end of a minimum value in sorted data, k is an integer greater than or equal to 1, and the median sorting and screening module is used for sorting the data output by the grouping and sorting module to obtain target median data, and the grouping and sorting module performs grouping and sorting on the data for at least 2k times, and removes part of edge data during even grouping and sorting, so that unnecessary comparison times in the whole sorting process are reduced, the power consumption of a circuit and a whole chip is reduced, and the data sorting efficiency can be effectively improved.

The utility model discloses a cutting device for water tank production, which comprises a cutting table, the bottom end of the cutting table is fixedly connected with a first motor, an output shaft of the first motor is provided with a cutting wheel, the top end of the cutting table is provided with a through groove, and the cutting wheel is located in the through groove. When the water tank plate cutting device is used, a water tank plate is placed between the pressing plate and the fixing base to adjust the position, the air cylinder is started to drive the supporting plate to descend, the supporting plate drives the pressing plate to move, the water tank plate is fixed through clamping of the pressing plate and the fixing base, and the water tank plate makes contact with the cutting wheel for cutting; and after cutting is completed, the water tank plate continues to move, a third motor is started to drive a grinding wheel and a grinding steel wire to rotate to make contact with the cut water tank plate for grinding, burrs at the cut position of the water tank plate are reduced, and taking and welding in the later period are facilitated.

The utility model relates to related technical field of PE pipe production equipment, concretely to a kind of PE pipe section cutting fixing device, it include: machine case;The top of the machine case is provided with pipe body, the bottom of the pipe body both sides is uniformly provided with transmission roller, the centre of the transmission roller is fixedly connected with first rotation axis. The utility model can control PE pipe to rotate at uniform speed while cutting PE pipe by the cooperation of machine case, pipe body, transmission roller, first rotation axis, fixed block, portal frame, transmission mechanism and cutting mechanism, so that PE pipe material is uniformly stressed, unilateral stress concentration is avoided, burr, crack or deformation is reduced, the existing PE pipe section cutting fixing device can be fixed and cut PE pipe, but PE pipe cannot be controlled to rotate while cutting, leading to uneven stress of PE pipe, unilateral stress concentration, leading to not only more burr at PE pipe cutting place, but also prone to crack or deformation.

The invention relates to the technical field of nonferrous metal product processing, in particular to a trimming die for nonferrous metal product production, which comprises a bearing base, a trimming die is fixedly mounted on the upper end surface of the bearing base, an assembly die groove is formed in the trimming die, and a trimming product is mounted in the assembly die groove in a matched manner; a slitting assembly is jointly arranged inside and outside the trimming die and comprises a driving main plate movably arranged on the top end face of the interior of the trimming die in a penetrating mode, a first cutter is fixedly installed on the left side of the bottom end of the driving main plate, and a positioning embedding groove embedded with the positioning top block is formed in the right side wall of a trimming driven plate; and a second cutter is fixedly mounted on the left side of the trimming driven plate. According to the edge cutting device, edge cutting treatment is carried out from the upper portion and the horizontal side of an edge cutting product through the first cutter and the second cutter, so that cutting is carried out from two directions, force distribution in the cutting process is balanced, and deformation of non-ferrous metal caused by uneven stress is reduced.

The utility model relates to the technical field of circuit board processing, and provides an aluminum substrate producing and processing device which comprises a numerical control cutter changing and milling mechanism, a diamond coating milling cutter and an aluminum substrate, the numerical control tool changing and milling mechanism comprises a rack, a three-coordinate moving assembly, a supporting base, a servo motor, a main shaft, a milling cutter automatic clamp, a workpiece positioning assembly, an MCU and a timer. The diamond coating milling cutter is fixedly arranged on the milling cutter automatic clamp; the aluminum substrate is fixedly arranged on the workpiece positioning assembly. The diamond coating milling cutter has the advantages that the diamond coating milling cutter has the characteristic of low friction coefficient, the milling heat is effectively reduced when the diamond coating milling cutter is used for milling an aluminum substrate, alcohol does not need to be sprayed to cool the milling cutter in the production process, the single milling working time of the milling cutter is prolonged, and the production efficiency is improved. The numerical control tool changing milling mechanism regularly changes the diamond coating milling cutter, prevents the diamond coating milling cutter from accumulating excessive heat, prolongs the service life of the milling cutter, reduces the labor amount of workers, and improves the production efficiency.

The present invention discloses an automatic tube unloading device, which comprises a base, a support seat, a cylinder 1, a conveying device and a clamping device are arranged on the top of the base, casters are arranged on the bottom of the base, a rotating block is arranged on the support seat, one end of the rotating block is rotatably connected with the support seat, the other end of the rotating block is rotatably connected with the output end of the cylinder 1, the cylinder 1 is rotatably connected with the base, a motor is connected to one side of the rotating block, a cutting blade is arranged on the other side of the rotating block, the output end of the motor passes through the rotating block and is fixedly connected with the cutting blade, the cutting blade is located directly above the clamping device, the conveying device is located at one end of the clamping device, a unloading plate is arranged on the base, the unloading plate is located at the other end of the clamping device, the unloading plate is located below the clamping device, and a sorting mechanism is arranged on the unloading plate. The beneficial effects of the present invention are: convenient and fast, high working efficiency and high safety factor; improving the stability of cutting, and improving cutting accuracy and quality.

The utility model relates to the technical field of dies, and discloses a trimming assembly of a trimming die and the trimming die. The trimming assembly of the trimming die comprises a first abutting structure and a second abutting structure, wherein the first abutting structure is arranged on an upper die; the second abutting structure is arranged on the lower die; after the upper die and the lower die are assembled, the first abutting structure and the second abutting structure abut against the workpiece. The cutter is arranged on the upper die and surrounds the first abutting structure; the first abutting structure can move between a first position and a second position in the height direction of the upper die; and in the mold closing process of the upper mold and the lower mold, the first abutting structure moves from the first position to the second position. The trimming die comprises a trimming assembly of the trimming die. According to the technical scheme, the technical problem that burrs or notches are prone to deformation during workpiece cutting in the prior art can be solved.

The invention discloses a honeycomb structure ring processing method which comprises the following steps: fixing a honeycomb structure sheet: clamping and fixing the honeycomb structure sheet on a positioning and fixing device arranged in vibration filling equipment, and enabling a core grid opening of a core grid to face upwards; and soft material filling: filling compact soft materials in the core grids in a mode of combining vibration filling equipment with manual operation. And allowance removal and size guarantee are conducted, specifically, turning machining is conducted on the inner ring face of the honeycomb structure ring combined into the annular shape in a turning mode so that burrs can be removed, and the size precision can be guaranteed. And filling material removal: removing the soft material filled in the processed honeycomb structure ring. According to the method, the honeycomb structure piece to be filled is clamped and fixed through the positioning and fixing device, so that the situation that the position of the honeycomb structure piece is loosened due to vibration when vibration filling equipment works in a vibration mode is avoided, the machining efficiency of the inner diameter of the honeycomb structure ring is greatly improved, and burrs generated in the machining process can be effectively reduced.

The invention discloses an anode catalyst layer and a preparation method and application thereof, and relates to the technical field of proton exchange membranes. The preparation method of the anode catalyst layer comprises the following steps: mixing an anode catalyst, water, an organic solvent and an ion exchange resin material to obtain a first mixture; performing ball milling on the first mixture to obtain a second mixture; compressing the anode gas diffusion layer to obtain a pre-compressed gas diffusion layer; coating the pre-compressed gas diffusion layer with the second mixture, and drying to obtain an anode catalyst layer; wherein the ion exchange resin material is ion exchange resin or a solution containing the ion exchange resin. According to the invention, the anode gas diffusion layer is compressed, and the pre-compressed gas diffusion layer is coated with the second mixture containing the anode catalyst, so that the problems of small contact area between the anode gas diffusion layer and the anode catalyst layer and high interface contact resistance caused by rough and uneven surface of the anode gas diffusion layer can be reduced; and the service life of the membrane electrode can be prolonged.

The present invention relates to the technical field of hot compress patch preparation, specifically to a method for preparing a hot compress patch, and the hot compress patch preparation device involved in the above-mentioned method for preparing a hot compress patch includes a transport frame, support bases are installed on both sides of the lower end surface of the transport frame by a fixed connection, and a conveyor belt is provided on the outer surface of the transport frame, and a drive motor is fixedly installed on the rear end of the right side surface of the transport frame, and a stamping box is installed on both sides of the upper end surface of the transport frame by a fixed connection, and a cutting box is fixedly installed on both sides of the upper end surface of the transport frame at a position in front of the stamping box, and a winding box is fixedly installed on the upper end surface of the cutting box. By setting the internal structure of the stamping box, the material layer can be smoothed and extruded during extrusion, and the lateral movement while being uniformly stressed can squeeze out the internal air to avoid the generation of bubbles. At the same time, the extrusion force is uniform, and smoothing is performed from two relative angles, which increases work efficiency.