135results about How to "Will not deform" patented technology

The utility model discloses a rack type movable explosion door which comprises a door body, a rotating gear is movably connected to the middle of the rear wall face of the door body, an upper horizontal moving rack is arranged above the rotating gear, a lower horizontal moving rack is arranged below the rotating gear, and the tooth portion of the bottom face of the upper horizontal moving rack is meshed with the rotating gear. A tooth part on the top surface of the lower horizontal moving rack is meshed with the rotating gear; a right vertical plate is fixed to the right end of the upper horizontal moving rack, a left vertical plate is fixed to the left end of the lower horizontal moving rack, and a plurality of transverse limiting columns are fixed to the outer side wall of the left vertical plate and the outer side wall of the right vertical plate. The plurality of connecting sleeve bodies can ensure the transverse horizontal state of the upper horizontal moving rack and the lower horizontal moving rack, so that the upper horizontal moving rack and the lower horizontal moving rack are basically not deformed, and normal use is ensured.

The utility model provides a steel pipe and PCCP pipe connecting piece which comprises a bell mouth connecting piece and a spigot connecting piece, the bell mouth connecting piece comprises a first flange plate, a bell mouth connecting pipe is fixed on one side of the first flange plate, a first connecting pipe is fixed on the other side of the first flange plate, and the spigot connecting piece comprises a second flange plate. A spigot connecting pipe is fixed to one side of the second flange plate, a second connecting pipe is fixed to the other side of the second flange plate, the socket connecting pipe is used for being connected with a spigot steel ring of the PCCP in a sleeved mode, the spigot connecting pipe is used for being inserted into a socket steel ring of the PCCP, and the first connecting pipe and the second connecting pipe are used for being connected with steel pipes in a sleeved mode respectively. The steel pipe is connected with the socket and the spigot of the PCCP through the prefabricated socket connecting piece and the prefabricated spigot connecting piece, the structure of the steel pipe does not need to be changed, the steel pipe does not deform, the stability and durability of the connecting position of the steel pipe and the PCCP are guaranteed, construction is convenient, and the engineering investment cost is low.

The invention relates to a face-based display picture adjustment method, device and equipment and a medium, and the method comprises the steps: obtaining a to-be-adjusted video file, and obtaining to-be-adjusted target face data from the video file, the target face data comprising a first face region and first feature point data; determining a second face region matched with the first face region in a face database, and extracting second feature point data corresponding to the second face region; comparing the first face region with the second face region by using the first feature point data and the second feature point data to obtain a difference coefficient between the first face region and the second face region; and determining an adjustment coefficient according to the difference coefficient, and adjusting a display picture of the video file according to the adjustment coefficient. The problem of picture deformation during video playing caused by incorrect video proportion is solved.

The utility model discloses a paper cup framing system, which relates to the technical field of paper cup framing and comprises a paper cup conveying line used for conveying paper cups and a plastic frame conveying device used for conveying plastic frames, an open-close type interceptor is arranged at the tail end of the paper cup conveying line, and protective plates are arranged on the paper cup conveying line corresponding to two sides of the open-close type interceptor. The opening and closing interceptors are matched with protection plates on the two sides of the paper cup conveying line to position the paper cups; a grabbing device is arranged between the paper cup conveying line and the plastic frame conveying device, the grabbing device grabs paper cups on the paper cup conveying line into plastic frames on the plastic frame conveying device, the grabbing device comprises a collaborative robot, and a clamping jaw used for grabbing the paper cups is arranged at the moving end of the collaborative robot. The paper cup conveying line, the grabbing device and the plastic frame conveying device are matched with one another, so that the paper cups can be automatically and tidily placed in the plastic frames in the storage or transportation operation.

This application provides a water-cooled roller fixture for strip conveying, including a protective component, a drive component, a coupling, a water-cooled roller, and a water-cooling assembly. The protective component includes a protective cylinder and a first bearing seat and a second bearing seat rotatably located at both ends of the protective cylinder. The drive component is mounted on the first bearing seat. The coupling is placed inside the first bearing seat. One end of the water-cooled roller is inserted into the protective cylinder, and the other end is rotatably engaged with the first bearing seat. The water-cooled roller is connected to the output shaft of the drive component via the coupling. The water-cooling assembly is used to supply cooling water with a circulating path to the water-cooled roller. The water-cooled roller fixture for strip conveying provided by this application allows the water-cooling assembly to transport cooling water to the space where the water-cooled roller is located, cooperating with the existing forced cooling on the outer periphery of the protective cylinder to simultaneously cool the inside and outside of the protective cylinder. The coupling is placed inside the first bearing seat, isolating it from the outside environment and preventing moisture from contacting the coupling.

The utility model discloses an automatic switching edge grinding device of toughened glass, including the processing base that is square, be provided with glass bearing structure on the processing base, be equipped with the edge grinding mechanism in the position of glass bearing structure one side on the processing base, glass bearing structure includes the base, and the top surface of this base is provided with the installation groove, is provided with the bearing platform for bearing glass in the installation groove, and the circumference of bearing platform is provided with a plurality of limiting rods that are evenly distributed along its circumferential direction, the side wall of installation groove is concave and is equipped with a plurality of limiting grooves, and the number of limiting groove corresponds with limiting rod, and limiting groove penetrates the top of bearing platform upwards. The utility model discloses through the configuration of the limiting rod and limiting groove of bearing platform, plays the role of fixed bearing platform, and simultaneously, when needing to adjust the angle of toughened glass, only needs through telescopic link to make bearing platform rise first, rotates again, finally makes bearing platform drop and can realize.

This invention relates to the field of machining and discloses a fully automatic cutting and processing device for MPP power pipes, including a base, with a first pipe conveying frame and a second pipe conveying frame respectively disposed at both ends of the base; a cutting assembly is disposed between the first pipe conveying frame and the second pipe conveying frame; a connecting plate is fixedly connected to the end of the second pipe conveying frame away from the cutting assembly; a connecting rod is disposed on the connecting plate; a first support assembly is disposed at the end of the connecting rod away from the connecting plate; when the cutting position of the MPP power pipe moves into the cutting assembly, the first support assembly is inside the MPP power pipe and supports the MPP power pipe; by activating the cutting assembly, the cutting assembly cuts the MPP power pipe from the outer pipe wall to the inner pipe wall, so that when the cutting position of the MPP power pipe is subjected to the pressure of the cutting assembly during cutting, no deformation will occur, ensuring that the cut end of the MPP power pipe is flatter.

The utility model provides a mounting device for a one-way ventilation valve of a packaging bag. The mounting device comprises a mounting frame, a mounting and placing assembly, a switching structure, an elastic extrusion mounting assembly and a driving structure. The mounting and placing assembly is provided with a placing groove for placing the one-way ventilation valve and a mounting part for mounting a packaging bag; the switching structure is arranged above the mounting and placing assembly and is slidably arranged on the mounting frame in the vertical direction; the elastic extrusion mounting assembly is arranged between the mounting placement assembly and the switching structure, is detachably connected with the switching structure and is used for performing elastic extrusion mounting on the packaging bag and the one-way ventilation valve; the fixed end of the driving structure is arranged on the mounting frame, and the telescopic end is connected with the switching structure. The installation device for the one-way ventilation valve of the packaging bag aims at solving the problems that in the prior art, in the extrusion hot melting process of the packaging bag and the one-way ventilation valve, the packaging bag moves downwards, so that the packaging bag deforms, and the quality of the packaging bag becomes poor.

A coke oven cross brace correction method is characterized by comprising the following steps of a, manufacturing a correction support of a coke oven cross brace, b, arranging a groove and a notch of an H-shaped steel support on the two sides of a deformation part, c, arranging a jack between a cross beam and the deformation part of the cross brace, d, baking the deformation part of the cross brace, applying pressure by using the jack at the same time, and e, keeping the posture of the H-shaped steel bracket during the cooling period of the cross brace, and removing the H-shaped steel bracket after the temperature is reduced to normal temperature to complete the correction of the coke oven cross brace. The coke oven cross brace correction method has the advantages that the profile steel is used as the main frame, correction can be realized by matching with the jack, the manufacturing is simple, the correction operation is safe and convenient, and the cost is low.

The utility model discloses a switch, which comprises a base, a handle and a transmission rod, the handle is rotatably arranged on the base, a static contact piece and a movable contact piece are arranged in the base, transmission parts are arranged on two sides of the handle, one end of the transmission rod is rotatably connected with the transmission parts, and the other end of the transmission rod is rotatably connected with the movable contact piece. One end of the transmission rod is rotationally connected with the transmission part of the handle, the other end of the transmission rod is rotationally connected with the movable contact piece, the transmission rod plays a transmission role between the handle and the movable contact piece, and the contact areas of the transmission rod, the handle and the movable contact piece are very small, so that the heat transfer area during closing is reduced, the temperature rise of the handle is reduced, and the service life of the switch is prolonged. The handle is ensured not to deform during long-time switching on, and the stability and reliability of the product are improved.

The ricefield eel trapping device comprises a supporting rod, a plurality of strip-shaped rods are arranged on the peripheral side of the outer portion of the supporting rod in parallel, at least two annular bases are arranged from one end to the other end of the surface of the supporting rod, and the edges of the annular bases are rotationally connected with a plurality of elastic supporting rods inclining towards the same direction. The strip-shaped rods are rotationally connected with the tail ends of the elastic supporting rods correspondingly, when the supporting pipes move back and forth along the supporting rods, the strip-shaped rods are folded or unfolded towards the supporting pipes at the same time, and when the elastic supporting rods are approximately perpendicular to the axes of the supporting pipes, the ends of the supporting pipes and the supporting rods are fixed through positioning devices. When the monopterus albus collecting net is used, monopterus albus can enter the supporting net body from the first conical net, and then the monopterus albus can enter the collecting net body from the second conical net. According to the monopterus albus trapping device, the supporting net body is supported by the strip-shaped rods, so that the supporting net body can be always kept in an open state in water and cannot incline or deform.

The application relates to the technical field of rubber and plastic product processing, and discloses an elevator load guide pulley production device, which comprises a workbench and multiple telescopic arms. A first supporting arm is fixedly connected to one side of the upper end of the workbench. A motor is fixedly connected to one side of the first supporting arm. A rotating disc is fixedly connected to the output end of the motor and penetrates through the first supporting arm. Multiple second supporting arms are fixedly connected to the outside of the rotating disc. The elevator load guide pulley production device can automatically adjust the positions of the telescopic arms according to load guide pulleys with different diameters through the cooperation of the positioning columns and springs on the telescopic arms and the grooves on the second supporting arms. The load guide pulleys to be processed can be fixed through the expansion of the moving plates. The motor drives the rotating disc to rotate, so that the multiple second supporting arms and the telescopic arms can be driven to rotate simultaneously, and the load guide pulleys to be processed can be processed in sequence. Therefore, the production line is more coherent, and the production efficiency is improved.

The utility model relates to a mute enamel wash basin, which belongs to the technical field of household bathroom accessories and comprises a basin body and a basin plate, the basin body and the basin plate are integrally stretched and formed, the peripheral side of the basin plate is bent downwards to form a reinforcing frame, and the basin body, the basin plate and the reinforcing frame are covered with an upper enamel layer and a lower enamel layer. The utility model relates to a noiseless enamel wash basin, which comprises a basin body and a basin plate, a drain hole is arranged in the basin body, a sound insulation material is arranged below the basin plate, and the sound insulation material is sound insulation cotton or sound insulation foam plates or sound insulation felts.The utility model aims to provide the noiseless enamel wash basin which is simple and reasonable in structure, light in whole, easy to clean and not easy to damage.

The utility model discloses a truck anti-rolling frame which comprises a first anti-rolling frame piece, second anti-rolling frame pieces are symmetrically installed in the first anti-rolling frame piece through bolts, third anti-rolling frame pieces are installed at the ends, away from the first anti-rolling frame piece, of the second anti-rolling frame pieces through bolts, and anti-rolling frame side plates are installed on one sides of the third anti-rolling frame pieces through bolts. The inner wall of the anti-rolling frame side plate is fixedly connected with a first net plate and a second net plate in sequence; the anti-rolling frame for the truck relates to the technical field of anti-rolling frames, the anti-rolling frame for the truck is provided with the first anti-rolling frame piece, the second anti-rolling frame piece, the third anti-rolling frame piece, the anti-rolling frame side plates, the sliding seats, the inserting blocks, the mounting blocks and the mounting grooves, so that the anti-rolling protection function on the truck is achieved, and cargoes in a cargo compartment are prevented from impacting a cockpit when collision occurs; and the cab is protected against large deformation, the safety effect is better, the device can be rapidly mounted and dismounted, and the dismounting and mounting efficiency is higher.

This utility model discloses an automatic valve spring assembly device and its automatic feeding assembly device, comprising: 1. An automatic valve spring assembly device, including a spring placement station and a valve placement station. An assembly mechanism is installed on one side of the spring placement station. The assembly mechanism includes a transfer component and an assembly component. The assembly component includes a clamping component and a pushing component. The clamping component includes a clamping cylinder and a pair of clamping claws, with a clamping hole formed between the pair of clamping claws. The pushing component includes a pushing cylinder and a push rod, with the push rod located above the clamping hole. An ejection hole is opened at the bottom of the valve placement station. An ejection mechanism is installed below the valve placement station. The ejection mechanism includes a base, an ejection cylinder, and an ejection rod, with the ejection rod passing through the ejection hole; 2. An automatic valve spring feeding assembly device, including a spring feeding device, a valve feeding device, a valve spring single feeding device, and an automatic valve spring assembly device; realizing the automated assembly of valves and springs.

This invention provides a detection device, including a detection body and a mounting assembly. The mounting assembly includes a mounting ring surrounding the detection body, connecting portions extending upward from both sides of the mounting ring, and spring claws disposed at the ends of the connecting portions. The detection body is rotatably connected to the connecting portions on both sides, and a first clearance portion is provided on the upper part of the detection body to avoid the spring claws. The detection device provided by this invention is beneficial for improving detection performance.

A resistance tape winding mechanism and method, belonging to the field of electronic component packaging devices. Including variable diameter shaft core, limit plate positioning block, foot switch, PLC controller, servo controller, tension spring, rack shell, feeding limiting mechanism, sensor mounting bracket, sensor, linear bearing seat, equipment platform, guide shaft, limit plate, pressing block, servo motor, torsional spring, servo motor mounting seat. The variable diameter shaft core is used as the winding shaft core, and different gears are selected for winding resistance carrier tapes of different lengths. Manual feeding is adopted, the device is started to automatically wind the tape, the device automatically stops after winding, then the wound tape is manually removed, and the outermost circle is manually fixed with adhesive tape. The purpose of achieving the same outer diameter of resistance carrier tapes of different lengths after winding into products is achieved, and the consistency of the outer diameter of the wound tape, the roundness of the wound tape, the efficiency of the wound tape and the consistency of the quality are improved. It is used for winding tape-shaped packaging products.

The utility model discloses a slide rail material piece with a disassembly and assembly structure, which comprises a material plate, the disassembly and assembly structure is arranged in the material plate, the disassembly and assembly structure comprises a transverse frame, inner grooves, connecting insertion rods, side grooves, a spiral groove, a shifting wheel and a shifting groove, the inner grooves are arranged at two ends of the transverse frame and are communicated with the side grooves arranged on the surface of the material plate, and the connecting insertion rods are arranged in the transverse frame. The connecting insertion rod is arranged in the inner groove in a sliding manner; when the material plate is installed, only a stirring wheel needs to be rotated, so that a connecting insertion rod is pushed to move until the outer end of the connecting insertion rod extends out of an edge groove, at the moment, the extending outer end of the connecting insertion rod is connected with an external part in an inserted mode, and therefore when installation and disassembly are completed, only the stirring wheel needs to be rotated in the opposite direction, and the connecting insertion rod is recycled, disassembly can be completed; through the design, the material plate can be disassembled and assembled conveniently and rapidly, the connecting insertion rods of the rigid structure cannot deform easily, and the stability after installation is guaranteed.

The utility model discloses a forge piece bending forging die which comprises a workbench, a lower die base is fixedly installed above the workbench, and an upper die base is arranged above the lower die base. A male die is arranged at the upper end of the lower die base, and a pressing die matched with the male die is arranged at the lower end of the upper die base. A punched hole is formed in the middle of the male die and penetrates through the lower die base downwards. A sinking groove is formed in the middle of the pressing die, and a punch and a die plate are arranged in the sinking groove; pressing punching plates are arranged at the two ends of the template respectively, and the top ends of the pressing punching plates are fixedly connected with the bottom of the sinking groove; one end of the punch is fixedly connected with the bottom of the sinking groove, and the other end of the punch penetrates through the die plate and extends outwards. Punching, cutting and bending are synchronously carried out on the metal forge piece through cooperation of the male die and the pressing die, labor cost and production cost are greatly saved, use is convenient, production efficiency and the qualified rate of finished products can be effectively improved, practicability is high, and market prospects are wide.

A seamless steel pipe conveying and unloading device belongs to the technical field of steel pipe conveying devices. It includes a drive shaft; drive wheels spaced at intervals along the length of the drive shaft; driven wheels rotating to the left of the drive wheels; a conveyor belt fitted between each drive wheel and driven wheel; and a crossbeam fixed to the frame via a crossbeam support arm within the conveyor belt cavity corresponding to each conveyor belt. The driven wheel shaft is connected to the left end of the crossbeam via a driven wheel shaft left-right adjustment mechanism. The key feature is the inclusion of a steel pipe lifting and unloading mechanism, mounted on the driven wheel shaft. When the conveyor belt carrying the seamless steel pipe is turning and changing direction while passing the driven wheel, the seamless steel pipe is picked up and lowered by the steel pipe lifting and unloading mechanism. Advantages: It prevents premature wear, breakage, deformation, and detachment of the pads, effectively protects the service life of the conveyor belt and driven wheels, reduces the workload of equipment maintenance personnel, and saves on equipment maintenance costs.

The utility model provides a pipe section of an ultrasonic meter, and belongs to the technical field of machinery. The problem of high production cost is solved. The pipe comprises a tubular body, the body comprises an outer pipe body which is a plastic piece and a tubular inner core which is a metal piece, the inner core is arranged in the outer pipe body, the outer wall of the inner core is fixedly connected with the inner wall of the outer pipe body, two bosses are arranged on the same side of the outer pipe body in a protruding mode, and the two bosses are distributed in the axial direction of the outer pipe body. Through holes are formed in the positions, corresponding to the two bosses, of the side portion of the inner core, each boss is provided with an installation hole located above the corresponding through hole and communicated with the corresponding through hole and connecting holes distributed in the two sides of the installation hole and parallel to the installation hole, a metal insert is fixedly connected into the connecting hole of each boss, and each metal insert is provided with an inner threaded hole. The utility model has the advantages of low production cost, good structural strength, good durability and the like.

The invention discloses a heat preservation plate lossless conveying device, and relates to the technical field of heat preservation plate conveying, the heat preservation plate lossless conveying device comprises a machine body, a chain plate is arranged on the machine body, and the heat preservation plate lossless conveying device further comprises a positioning locking mechanism and an unlocking separation mechanism; by means of the design of a half gear, a toothed plate, a first reset spring, a pressing plate, a first linkage plate, an L-shaped rod and a push plate, two oppositely-arranged centering clamping plates can be driven to move oppositely on a chain plate, a heat preservation plate placed between the two centering clamping plates is pushed to be centered, the heat preservation plate can be conveyed on the chain plate in a centered mode, and the heat preservation plate conveying efficiency is improved. The problem of unstable conveying caused by position deviation in the conveying process of the heat preservation plates is avoided, so that vibration and shaking of the heat preservation plates in the conveying process are reduced, the heat preservation plates are protected against damage, and lossless conveying is achieved.

The utility model discloses a kind of air tightness detection tool, comprising: bottom plate, bottom plate is set with work platform and drive platform from bottom to top by support, drive platform is provided with drive cylinder, the piston rod of drive cylinder is connected with work platform, work platform is outwardly provided with protruding mounting portion, protruding mounting portion is provided with hard shaft gas pipe, the bottom of hard shaft gas pipe is provided with gas head connecting block, rubber gas head is set in gas head mounting hole, rubber gas head is provided with gas blowing port, hard shaft gas pipe is provided with elastic push component above gas head connecting block, the lower end of elastic push component is pressed on gas head connecting block, the upper end of elastic push component is pressed on the protruding mounting portion of work platform.The air tightness detection tool of the utility model is mainly used for the air tightness detection of electrical controller.

The utility model discloses a kind of bending devices for metal material processing, it is related to bending device technical field, including base, the front end left side fixed mounting of base has controller, the upper end of base is installed with fixed mechanism, the upper end of base is symmetrically fixed mounting with support with four corners, the top of support is fixedly installed with top plate, the lower end of top plate is installed with adjusting mechanism, the lower end of adjusting mechanism is installed with mounting frame, the inside movable mounting of mounting frame has mounting block, the lower end of mounting block is fixedly installed with bending head.The utility model is cooperated under connecting plate, screw No. 2, mounting seat, hydraulic cylinder, limit rod, limit block, motor No. 2, using rotating screw No. 2 can drive bending head to move left and right horizontally by mounting seat, and then the position of bending head can be adjusted, so that staff can adjust the position of bending, without manually adjusting bending position, it is convenient and fast to adjust, convenient for staff to use.

The utility model discloses high elastic double density shoe sole relates to the field of sole production, including sole main part, the sole main part, the first bonding groove corresponding with the sole bottom of the sole main part top outer wall is seted up, the inside of sole main part is equipped with the elastic structure for reinforcing the elasticity of sole, the elastic structure includes the first elastic buffer chamber and second elastic buffer chamber of setting up in the inside of sole main part, and the first elastic buffer chamber and second elastic buffer chamber inner wall are equipped with elastic buffer block, the sole main part bottom is equipped with the antiskid structure. This high elastic double density shoe sole has greatly strengthened the elasticity of sole, in the walking or movement process, the reaction force of ground is absorbed and dispersed by the synergistic effect of elastic buffer chamber, elastic buffer block and silica gel, can efficiently buffer ground reaction force, effectively reduces the impact to foot and joint, reduces the risk of sports injury, provides excellent comfortable experience for the user.

The invention provides a miniature heat dissipation device, and the device comprises a medium pipeline which is of a closed-loop structure and is internally provided with a cooling medium; the propeller is arranged in the medium pipeline and used for pushing the cooling medium to flow; the electromagnet is arranged on the outer side of the medium pipeline and used for converting electric energy into a magnetic field for pushing the propeller to move; and the power supply is electrically connected with the electromagnet so as to provide electric energy for the electromagnet. The invention further provides a control method of the miniature heat dissipation device and terminal equipment.

A tidy conveying device comprises a conveying belt mechanism, a book pulling mechanism arranged at the input end of the conveying belt mechanism and a book pushing mechanism arranged at the output end of the conveying belt mechanism. The conveying belt mechanism comprises a conveying belt and a plurality of conveying auxiliary components connected with the conveying belt, adjacent conveying auxiliary components form a conveying station, and each conveying auxiliary component comprises a positioning block. Different inner core paper stacks are sequentially distributed to different conveying stations through the cooperation of the repeated action of the paper pulling mechanism and the stepping motion of the conveying belt mechanism; two conveying auxiliary parts of the conveying belt mechanism are used for positioning the inner core paper stack front and back, so that the inner core paper stack is prevented from being deformed, and equal-step conveying can be realized; then the repeated movement of the paper pushing mechanism is matched with the stepping movement of the conveying belt mechanism, so that the inner core paper stack is pushed out from the conveying belt mechanism; and it can be guaranteed that the whole conveying process of inner core paper stacking and fillet cutting is kept neat.

The utility model relates to the technical field of box girder reinforcement, and discloses an external prestressing steel cable anchoring device for a box girder. The external prestress steel cable anchoring device for the box girder comprises a support capable of being installed on the box girder, a steel anchoring part, a supporting assembly and a steering pipe, the steel anchoring part, the supporting assembly and the steering pipe are arranged on the support, and the supporting assembly comprises a plurality of first supporting steel plates and second supporting steel plates in one-to-one correspondence with the first supporting steel plates; the first supporting steel plate and the second supporting steel plate are arranged on the two sides of the steel anchoring part respectively and fixedly connected with the steel anchoring part. The steering pipe is located at the end, away from the steel anchoring part, of the first supporting steel plate, and the external prestressed steel beam can penetrate through the steering pipe and be anchored to the steel anchoring part. The external prestress steel beam anchoring device for the box girder is small in dead weight and convenient to construct, the construction cost is reduced, the construction period is shortened, the additional weight borne by the box girder is obviously reduced, and the safety of the box girder structure is guaranteed.

The application relates to the technical field of filter materials, and discloses a preparation method of a multilayer interval type continuous gradient structure liquid filter material, and provides the preparation method of the multilayer interval type continuous gradient structure liquid filter material. In the method, the fibers of the dust-containing layer adopt a skin-core structure with PP resin as a core layer and PE resin as a skin layer. The method uses cross-laying, puncture hot baking and multi-roller stretching to composite the filter monomers made of the dust-containing layer into the multilayer interval type continuous gradient structure liquid filter material. In the puncture hot baking, the fibers of the dust-containing layer of the filter monomers can enter the dust-containing layer of the adjacent filter monomers to form fiber entanglement points. The hot baking can make the PE resin of the skin layer melt and form a bonding reinforced fiber entanglement point at the fiber entanglement point, so that the composite strength of the material is significantly increased. The cross-laying and the multi-roller stretching can flatten the puncture holes caused by the puncture to improve the flatness of the surface of the material and ensure that the material will not be significantly deformed.

The application discloses an aluminum alloy liquid cooling plate friction stir welding clamp and method, the clamp comprises a first base, a second base, a support beam, a first clamping plate, a second clamping plate and a stopper. The first clamping plate and the second clamping plate clamp the leaf cooling plate and ensure the vertical state, and the addition of the stopper expands the support surface, avoiding the problem that the protruding part of the stirring shaft shoulder cannot be supported and welded. The clamp has good rigidity and can meet the downward pressure load requirement of the friction stir welding, and the vertical welding mode meets the fusion depth and appearance requirements of the liquid cooling plate, and a high-quality liquid cooling plate is prepared.