3565results about How to "Avoid deformation" patented technology

The invention discloses a yielding crystallizer for an electroslag smelting casting three-dimensional variable curved surface casting and an electroslag smelting casting method, and belongs to the field of electroslag smelting casting. The receding crystallizer comprises a crystallizer body formed by combining a plurality of crystallizer blocks, internal molded surfaces of the crystallizer body are combined to form a crystallizer cavity, and the crystallizer cavity is used for containing molten metal and forming a casting with a three-dimensional variable curved surface; the receding structure is arranged on at least one crystallizer sub-block and is configured to allow the crystallizer sub-block to move in the preset direction in the solidification and shrinkage process of the casting so as to avoid shrinkage deformation of the casting; and the slag stopping structures are arranged between the adjacent crystallizer blocks and are used for sealing gaps generated by displacement after the crystallizer blocks are subjected to yielding displacement, so that slag leakage is prevented. The receding crystallizer can automatically receding when hindering deformation of a casting, space needed by metal shrinkage is provided in the electroslag casting process, and the finished product quality of the casting in the complex shape is improved.

The invention relates to spline housing cold heading forming equipment, and relates to the technical field of spline housing machining equipment, the spline housing cold heading forming equipment comprises a workbench, a fixed die holder mounted on the workbench and a movable die holder matched with the fixed die holder, and further comprises a demolding mechanism mounted on the workbench and used for demolding a formed spline housing; the demolding mechanism comprises a driving box installed on the workbench, a lifting assembly installed in the driving box and used for driving the fixed mold base to vertically move, a first threaded rod driven by the lifting assembly to rotate, and an oil storage box installed in the driving box. The driving and conveying assembly is driven by the first threaded rod and sprays lubricating oil stored in the oil storage tank to the fixed mold base and the spline housing; and the overturning assembly is mounted in the driving box and is used for driving the fixed mold base to overturn when the fixed mold base vertically moves. The spline housing demolding device has the effect that indentation and deformation cannot be caused to the surface when the spline housing is demolded.

The utility model discloses a TPU (thermoplastic polyurethane) film tension detection device, which belongs to the technical field of tension detection, and comprises two pressing assemblies and a clamping assembly, each pressing assembly comprises a fixed block and two pressing blocks, the inner side of each fixed block is provided with two inclined surfaces, the two pressing blocks are driven by the inclined surfaces to get close to each other, and the two pressing blocks are clamped by the clamping assembly. The clamping assemblies are arranged at the outer ends of the abutting blocks, the two abutting blocks can be close to each other through pulling of the threaded rods and matching of the inclined faces, at the moment, the two pressurizing air bags are squeezed to be compressed, the clamping air bags communicated with the pressurizing air bags are inflated to expand, the thin film is placed between the two clamping air bags, and then the thin film is clamped. When the thin film is clamped, the expanded clamping air bag extrudes the thin film so as to clamp and fix the thin film, and due to the characteristics of softness and large friction force of the clamping assembly, the surface of the thin film is not easy to deform when the thin film is clamped with force, so that the reliability of experimental data is improved.

The utility model discloses an anti-slip clamping mechanism for vertical laying of a cable, which relates to the technical field of cable laying and comprises a mounting rack, one side of the top of the mounting rack is provided with a first slot, two rotating shafts are rotatably arranged in the first slot, and the peripheries of the rotating shafts are fixedly connected with first clamping wheels; a connecting frame is fixedly connected to one side of the mounting frame, a second open groove is formed in the side, close to the first open groove, of the connecting frame, a moving frame is slidably arranged in the second open groove, a moving block is slidably arranged on the side wall of the moving frame, a square groove is formed in the top of the moving block, and a plurality of second clamping wheels are rotatably arranged in the square groove. And clamping grooves are formed in the bottoms of the moving block and the mounting frame. According to the utility model, the arrangement of the cleaning block can further clamp and limit the cable, the cleaning block cleans the periphery of the cable and increases the roughness of the surface of the cable during vertical laying, and the first clamping wheel and the second clamping wheel are matched, so that the anti-skid of the cable can be maintained under a small pressure, and the cable is prevented from being clamped too tightly.

The invention relates to the technical field of automobile part machining, and discloses an automobile part multi-station synchronous clamping and positioning device which comprises a support, a vertical plate is fixedly arranged in the middle of the support, the vertical plate is slidably connected with a plurality of sliding plates, a sliding seat is fixedly arranged on one side of each sliding plate, a baffle is arranged on one side of each sliding seat, and the baffle is fixedly connected with the support. Two sliding rods in sliding connection with the sliding seat are fixedly arranged on one side of the baffle, the surfaces of the sliding rods are sleeved with springs, and a first clamping plate is fixedly arranged at one end of each sliding rod; the single air cylinder drives the cross beam to synchronously push all the sliding plates, synchronous clamping of workpieces at multiple stations is achieved, the auxiliary clamping time is greatly shortened, the production efficiency is improved, the consistency of clamping actions of all the stations is guaranteed, and the problem of workpiece deformation or displacement caused by uneven clamping force is solved.

The invention provides a clamping device for a thin-wall whole pipe fatigue test and a test method, and belongs to the technical field of clamping devices. The device comprises clamping cushion blocks which are fixedly connected to two ends of a thin-wall whole tube sample main body and are used for transmitting test force; the high polymer material film adhesive tape is wound on a transition area of the clamping cushion block and the thin-wall whole pipe sample main body; the chock plugs are used for being plugged into the two ends of the thin-wall whole-tube sample main body, and packing paper is installed between the chock plugs and the inner wall of the thin-wall whole-tube sample main body and used for supporting the inner wall of the sample and evenly transmitting test force. The clamping cushion blocks are fixedly connected to the two ends of the sample and matched with the high polymer material film adhesive tape to reduce friction, the chock plugs are wound around the packing paper to support the inner wall, a stable clamping structure is formed, and it is ensured that fatigue fracture occurs in the working section. The problems of clamping stress concentration and fracture of a non-working section can be effectively avoided, the accuracy of a fatigue life evaluation result of the whole thin-wall pipe is improved, and the method can be widely applied to high-cycle and low-cycle fatigue performance tests under different conditions.

The utility model discloses an anti-deformation bearing thin-wall part machining supporting and fixing structure which comprises a base and a supporting assembly, a machining table is connected to the top of the base, clamping blocks are arranged on the two sides of the top of the machining table, and the supporting assembly is arranged in the machining table and comprises a bevel gear ring and a plurality of bevel gears meshed with the bevel gear ring. A lead screw is arranged in the machining table through a plurality of rotating frames, the surface of the lead screw is in transmission connection with a supporting plate through a lead screw nut, the supporting and fixing structure is provided with a supporting assembly, a driving motor drives a bevel gear ring to rotate, a plurality of bevel gears rotate synchronously, then the lead screw is driven to rotate, and the supporting plate ascends to support the interior of the thin-wall part; by means of the internal supporting mode, pressure and friction force borne by the inner wall of the thin-wall part during polishing can be effectively dispersed, deformation caused by lack of supporting is avoided, the size precision, the shape precision and the surface quality of the bearing thin-wall part are guaranteed, the product percent of pass is increased, and waste products are reduced.

The utility model relates to the technical field of steel wire automatic forming machines, in particular to a full-automatic steel wire wavy line forming machine which comprises an installation frame, a line pressing assembly is arranged at the bottom of the installation frame, and an extension module is arranged on the side face of the installation frame. The full-process automatic production of the wavy line formed by the steel wire can be completely realized, each part of the machine is simple and practical, the machine has the characteristics of low cost and high efficiency, the labor cost is saved, the risk of industrial injury is avoided, the machine is an advanced specialized machine, the driving motor is used as a power source, and the production cost is reduced. The driving motor drives the first gear and the second gear to rotate through the transmission structure, then conveying of the steel wire and forming of the wavy line are achieved, and the straightness of the steel wire in the conveying process and the regular shape of the formed wavy line are guaranteed through arrangement of the first straightener and the second straightener.

The invention provides a fire extinguisher tank coating process parameter collaborative optimization control method and system. The method comprises the following steps: acquiring infrared radiation data on the surface of a paint film of a fire extinguisher tank in a curing oven, and generating a temperature distribution matrix through thermal gradient analysis; quantifying temperature difference characteristics of different positions of the surface by using the matrix; a multispectral infrared thermal imager is annularly arranged in the curing oven, the optical scanning path of the multispectral infrared thermal imager is dynamically adjusted based on temperature difference characteristics, temperature abnormal points are marked, and a three-dimensional thermal field distortion atlas is constructed; analyzing temperature abnormal point distribution in the atlas, and generating a local cooling compensation vector; and converting the compensation vector into a heating unit power adjustment instruction by applying a sliding mode control mechanism, and adjusting output power to inhibit paint film deformation. Dynamic balance of the curing temperature of the paint film and temperature range compression are realized, and the deformation defect of the paint film is eliminated.

The invention discloses a microalloyed high-toughness martensitic stainless steel cutter head as well as a preparation method and a preparation mold thereof. Stainless steel comprises the following components in percentage by weight: 0.3%-0.7% of C, 0.3%-1.0% of Si, 0.5%-1.5% of Mn, 16%-18.5% of Cr, 1%-2% of Ni, 0.3%-0.8% of Mo, 0.1%-0.35% of V, 0.1%-0.25% of Nb, less than or equal to 0.02% of S, less than or equal to 0.02% of P and the balance of Fe. Firstly, raw materials are smelted into molten iron; then adding a deoxidizing agent and precoated sand into the molten iron for molding, and performing sand mold casting and pouring to obtain a cutterhead blank; carrying out heat treatment on the cutter head blank; and finally, shot blasting and polishing are conducted on the cutterhead subjected to heat treatment. The martensitic stainless steel cutterhead has a metallographic structure which takes a martensitic structure as a main structure, takes austenite as an auxiliary structure and dispersedly distributes CrC, VC and NbC particles, the hardness of the martensitic stainless steel cutterhead is 40-45 HRC, the impact toughness of the martensitic stainless steel cutterhead reaches 92-95 J / cm < 2 >, the abrasion resistance of the cutterhead is longer, the service life of the cutterhead is longer, and the abrasion loss of the martensitic stainless steel cutterhead is reduced by 70% compared with a cutterhead without alloy elements.

The utility model provides a multi-point oil supply lubricating device for a bearing of a phase modifier. The multi-point oil supply lubricating device comprises an oil storage and supply box body, an oil supply access pipe, three oil pumps, three groups of oil supply branch pipe assemblies and an adjusting and mounting protection frame, an oil supply access pipe is arranged at the top of the oil storage and supply tank body, three oil pumps are fixedly mounted on the oil storage and supply tank body, and the three oil pumps are connected with the three oil supply branch pipe assemblies correspondingly and used for extracting lubricating oil in the oil storage and supply tank body and independently conveying the lubricating oil to the corresponding oil supply branch pipe assemblies for fixed-point oil supply; one side of the top of the oil storage and supply tank body is provided with an adjusting and mounting protection frame capable of adjusting the positions of the three groups of oil supply branch pipe assemblies and protecting the three groups of oil supply branch pipe assemblies; and the adjusting and mounting protection frame comprises a mounting plate mounted on the oil storage and supply tank body and three protection pipe frames capable of adjusting the height and respectively penetrating through the three groups of oil supply branch pipe assemblies. Three paths of relatively independent oil supply structures can be formed, and a high-temperature protection effect can be achieved on the branch pipe part, close to the bearing part of the phase modifier, of the oil supply branch pipe assembly.

The invention discloses a micro-channel reactor and micro-channel reaction equipment, the micro-channel reactor comprises a reaction plate, a support transition plate and a heat exchange plate which are connected in a laminated manner, grooves are processed in the reaction plate to form micro-reaction channels, grooves are processed in the heat exchange plate to form heat exchange channels, and the support transition plate is separated between the reaction plate and the heat exchange plate; the micro-reaction channel comprises at least two micro-channel units and a middle flow channel connected with the adjacent micro-channel units, each micro-channel unit comprises a flow channel inlet, a flow channel outlet and a heart-shaped mixing cavity, an arc-shaped flow baffle and at least one turbulent flow column are arranged in the heart-shaped mixing cavity, the concave side of the arc-shaped flow baffle faces the flow channel inlet, and the convex side of the arc-shaped flow baffle faces the turbulent flow column. And the turbulent flow column is arranged between the arc-shaped flow baffle and the flow channel outlet. Through cooperation of the heart-shaped mixing cavity, the arc-shaped flow baffles and the turbulent flow columns, the particle suspension rate and the mass transfer capacity of the micro-reaction channel are effectively improved, then the reaction efficiency is improved, and the device can be used for achieving continuous preparation of nano-drugs.

The application discloses a laser engraving processing device and method based on a five-axis engraving machine, relates to the field of laser engraving equipment control, and loads a three-dimensional CAD model and a process task of a workpiece to be processed, distributes the process task to machining paths of each laser processing assembly, respectively predicts time-space collision of paths of five laser processing assemblies, adjusts speed or paths of low-priority laser processing assemblies through a priority avoidance algorithm when collision risk is predicted, and generates a collision-free pre-planned path. Through reasonable path planning and a collision avoidance mechanism, the application effectively avoids collision risk between multiple laser processing assemblies and guarantees stability of a machining process. Through establishment of a thermal influence monitoring grid and a thermal dose accumulation model, laser machining parameters are adjusted in real time, workpiece deformation caused by thermal dose superposition is avoided, and machining quality is improved. A focal point dynamic following mechanism ensures that the focal point is always in an optimal machining position, and further improves engraving precision.

The invention discloses an anti-deformation high-strength inspection well prefabricating mold which comprises a base, an outer mold assembly is slidably mounted on a top plate of the base, an inner mold assembly is mounted at the position, in the center of the outer mold assembly, of the base, a demolding assembly is mounted in the inner mold assembly, sliding assemblies are mounted on the two sides of the bottom of the outer mold assembly, and sliding ways are mounted at the positions, corresponding to the sliding assemblies, of the base. The sliding assembly is slidably arranged on the slide way. Through the longitudinal reinforcing ribs and the transverse reinforcing ribs, a stable net-shaped reinforcing structure is formed, side pressure generated on the arc-shaped outer formwork in the concrete pouring process can be effectively dispersed, damage such as bending, deformation and cracking caused by uneven stress of the arc-shaped outer formwork is avoided, the structural stability and deformation resistance of the mold are remarkably improved, and the service life of the mold is prolonged. The reinforcing rib forming grooves which are perpendicularly crossed are formed in the inner side wall of the arc-shaped outer formwork, corresponding outer wall reinforcing ribs can be formed on the outer wall of the inspection well during concrete pouring, and the structural strength of the formed inspection well is effectively enhanced.

The utility model relates to tool dismounting technical field, concretely relates to a cam locking structure, including tool head and lock axle, eccentric wheel has on lock axle, the locking groove that tool head has is inserted for eccentric wheel, the maximum size of locking groove in the up and down direction is adapted with the outside diameter of eccentric wheel, the minimum size of locking groove in horizontal direction is greater than the rotating diameter of eccentric wheel, eccentric wheel has the unlocking position of pushing locking groove upside and the locking position of pushing locking groove downside to push out / tighten tool head, through setting locking groove in the connecting section of tool head, when lock axle rotates, tool head can move up and down along with the rotation of eccentric wheel, in the process that eccentric wheel rotates to locking position, eccentric wheel pushes down the second plane of locking groove to make tool head be pulled down, in the process that eccentric wheel rotates to unlocking position, eccentric wheel pushes up the first plane of locking groove to make tool head be pushed up, have realized the installation and dismounting of tool head, improved the operation convenience, can improve work efficiency.

The utility model discloses a kind of wall column foot support structure, including inclined support plate and the horizontal support plate of the inclined support plate rotary connection, the one end of the inclined support plate away from the horizontal support plate is equipped with hook, the hook is matched with the double steel pipe of the pair of screw rod fixed assembly for fixing wall column formwork;When the hook is hung on the double steel pipe of the pair of screw rod fixed assembly, the one end of the inclined support plate away from the hook is abutted with ground, the one end of the horizontal support plate away from the inclined support plate is abutted with the lower end of the square steel of the pair of screw rod fixed assembly.The utility model realizes wall column foot stable support, effectively prevents leakage, improves construction convenience and economy simultaneously.

The utility model discloses a stopper and a vertical warehouse shuttle vehicle system, the stopper comprises a base, the base is provided with a gap in the direction impacted by a shuttle vehicle, a turnover stop block is arranged in the gap, and the base is also provided with a push rod mechanism in the direction of an elevator; the stop block comprises a body and an elastic piece, horizontal movement of the push rod mechanism under the stress effect is converted into rotary movement of the elastic piece, the elastic piece drives the body to turn over under the action of the rotary movement, when the body turns over to be higher than the notch, the shuttle vehicle is stopped, and when the body turns over to be lower than or flush with the notch, the shuttle vehicle is not stopped. The stop block and the gear shaft are linked through the elastic piece, that is, the stop block is driven to rotate through the elastic piece when the gear shaft rotates, the stopper can be buffered to a certain degree through connection of the elastic piece, gear damage or cylindrical head screw deformation is avoided, and the service life of the stopper is prolonged.

This invention belongs to the field of automotive assembly technology and discloses an automated production line and control method for double-sided machining of workpieces with dual spindles. It includes a flipping mechanism, a dual-spindle machining mechanism, a raw material conveying mechanism, a finished product conveying mechanism, a robot, and a workstation conveying mechanism. The machining devices of the dual-spindle machining mechanism are spaced apart on the chassis. The lifting platform of the flipping mechanism is located next to the chassis. A flipping gripper is fixedly mounted on the chassis and positioned above the lifting platform. The rotating mechanism of the flipping gripper drives the clamping mechanism to rotate horizontally by 180 degrees. Two spindle boxes are slidably connected to the upper part of the chassis. The spindle is located inside the spindle box, with its lower end extending out of the lower end of the spindle box and fixedly connected to a spherical positioning chuck. The robot is positioned between the raw material conveying mechanism, the finished product conveying mechanism, and the workstation conveying mechanism. This invention achieves automatic workpiece flipping, avoids positioning errors and clamping eccentricity, uses air blowing to clean foreign objects from the chuck, detects the airtightness of the positioning surface, prevents workpiece deformation, and extends the service life of the equipment.

The utility model relates to a wall seat structure for installing and fixing a sunshade, which belongs to the technical field of the sunshade and comprises an arm seat frame connecting piece, a transition connecting block is arranged at the front end of the arm seat frame connecting piece, and a bolt through hole connected with the arm seat frame connecting piece through a screw and nut structure is arranged on the transition connecting block. The arm seat frame connecting piece comprises an inserting block, an adjusting connecting block integrated with the inserting block is arranged at the front end of the inserting block, and a U-shaped fixing groove penetrating through the bolt is formed in the adjusting connecting block. The device has the characteristics of simple structure, convenience in installation and high structural strength. The wall body fixing part and the sunshade arm connecting part are connected through the movable transition pivot, so that angle fine adjustment after installation is achieved, and different sunlight irradiation angles or storage requirements are met.

The application provides a kind of based on multi-muscle deep cavity belt flat plate forming system, including transport device one and transport device two, preheating mechanism, auxiliary forming mechanism and punching equipment are arranged between transport device one and transport device two, the main role of auxiliary mould device in the operation process is that skin material can be quickly and fully adhered to the cavity in mould, so that pocket forming is more square, sufficient, and the strength of pocket forming for multi-muscle or multi-cavity structure is higher;It can effectively improve the forming effect and strength of multi-cavity and pocket deep belt product, so that the skin material will be pressed by the auxiliary mould during forming, and the pressure during blowing is more concentrated, which is beneficial to the blow molding of the softened skin material after heating.The stress of pocket bottom is uniform, the forming effect is good, and the strength of the formed pocket is high, and deformation is not easy to occur.

The application relates to the technical field of machining equipment, in particular to a deep drilling device for elbow curved rods, which comprises an assembling shell, a hydraulic cylinder is embedded at the top end of the assembling shell, a pressing mechanism is connected to the power output end of the hydraulic cylinder, and a sliding groove is arranged on the abutting surface of the assembling shell and the pressing mechanism. The winding equipment body winds and unwinds the cable, so that the electromagnet connected with the connector through the thread is penetrated into the rod piece. When the hydraulic rod drives the inclined block to press and bend the rod piece, the bearing capacity is improved through the support of the electromagnet, so that the excessive pressing and bending of the rod piece is avoided, the deformation of the rod piece is avoided, the product quality is affected, the electromagnet is connected with the connector through the thread, the electromagnet is convenient to disassemble and assemble, the electromagnet with the diameter size suitable for the rod piece is replaced, the applicability is improved, the rod piece is conveniently attracted after the electromagnet is electrified through the cable, the sliding condition is avoided, the pressing and bending quality is affected, when the electromagnet is not worked, the connector is tightened in the connecting hole through the winding equipment body, and the rod piece is conveniently placed and corresponds to the electromagnet.

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.

This application discloses a stamping die with a cooling function, belonging to the field of mechanical manufacturing technology. It includes a lower die base and an upper die base, both of which have cooling channels inside. Water inlet pipes are fixedly installed on the top of both the lower and upper die bases, and water outlet pipes are fixedly installed on the bottom of both. A cooling medium circulation mechanism is provided between the lower and upper die bases. The cooling medium absorbs heat from the lower and upper die bases after flowing through the cooling channels, and is then discharged into corresponding drain hoses through the water outlet pipes. Simultaneously, a second water pump is activated, and the coolant returns to the coolant storage tank through the water delivery pipe. The coolant dissipates heat through a heat dissipation mechanism as it passes through the middle of the water delivery pipe. The cooling medium circulation mechanism helps maintain a suitable temperature for the lower and upper die bases during operation, avoiding deformation and wear caused by high temperatures. Furthermore, this application has a simple structure, reducing manufacturing costs.

This utility model discloses a high coaxiality radio frequency connector, including a male and a female connector. The female connector has three sets of connecting plates on its outer periphery, and the male connector has three sets of insertion slots on its outer periphery that mate with the connecting plates. A disassembly component for separating the male and female connectors is located beside the insertion slots. The female connector is inserted into the insertion slot of the male connector via the connecting plates, completing the coaxial connection between the male and female connectors. This utility model, through the cooperation between the connecting plates of the female connector and the insertion slots of the male connector, and the correspondence between the fastening protrusions and the positioning slots, makes the connection between the male and female connectors more precise, effectively preventing displacement or deformation of the inner and outer conductors caused by frequent insertion and removal, maintaining stable coaxiality, and ensuring signal transmission consistency and reliability.

The utility model relates to steel support technical field, and disclose a detachable combined steel support for tunnel construction, including support plate mechanism, still include: support mechanism and pressure regulating mechanism, the bottom of support plate mechanism and the top of pressure regulating mechanism swing joint, the bottom of pressure regulating mechanism and the top of support mechanism fixed connection, the utility model discloses through the support plate mechanism top close -fit in tunnel top, and make adjacent support plate main body splice together, place support mechanism in suitable position, and make splicing post align splicing seat, rotate threaded shaft and drive telescopic column along the inner wall of stand to move upwards through thread, make splicing post insert splicing seat inside, the top board is immobile, telescopic column continues to push base to move upwards, make pressure spring contract, and make pressure spring contract certain distance, produce constant pressure to the top board to the utility model discloses, thereby make support plate mechanism to the pressure of tunnel top in fixed value support, be favorable to the security of steel support.

The utility model discloses a one-way valve part, flow path switching subassembly, heat exchanger, air conditioning system and air conditioner, one-way valve part includes: one-way valve, first pipe section and second pipe section. One-way valve includes first casing, second casing and valve core, and first casing and second casing are directly welded and are connected and are limited to one-way flow channel, is equipped with the export on first casing, is equipped with the import on second casing, and the valve core is located in one-way flow channel, and one-way valve is by import to export one-way conduction, first pipe section one end is connected in the export place, and first pipe section is connected with first casing through first soldering material and is welded, and second pipe section one end is connected in the import place, and second pipe section is connected with second casing through second soldering material and is welded. According to the one-way valve part of the utility model, the quality and the yield of one-way valve part are high, and production efficiency is high and cost is low.

The utility model relates to the technical field of storage box manufacturing, disclose a kind of moistureproof storage box. Wherein moistureproof storage box includes box body unit and box cover unit, box cover unit covers on box body unit, box body unit includes first bottom plate, first front plate, first back plate, first left side plate, first right side plate, first reinforcing plate, second reinforcing plate, first auxiliary plate and second auxiliary plate being connected. First front plate, first back plate, first left side plate and first right side plate are all bent upwards to form the box body unit in assembled state, when moistureproof storage box is in assembled state, first auxiliary plate is bent forward to support first left side plate and first right side plate, two second auxiliary plates are bent to support first front plate, first reinforcing plate and second reinforcing plate are all bent to the inside of box body unit, two second auxiliary plates lower end are extended to form insertion, two insertion parts are mutually inserted, so that moistureproof storage box is not easy to break and collapse and more durable.

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.