23results about How to "Reduce flash" patented technology

The present invention discloses a welding device for aluminum alloy processing, which is applied in the technical field of aluminum alloy welding processing. The present invention comprises a main welding platform and an auxiliary welding platform, wherein the main welding platform is fixedly connected to the right side of the auxiliary welding platform, the top of the auxiliary welding platform is fixedly connected to a first electric cylinder, the telescopic end of the first electric cylinder is bolted with a tilting frame, the tilting frame is fixedly connected to an air bag on a side away from the first electric cylinder, and the main welding platform is matched with the auxiliary welding platform to fix and support the structure of the weldment and the device, and the horizontal position of the axle box can be matched with the length of the main weldment according to the length of the main weldment, and the main weldment is placed on the inner side of a chuck to fix the main weldment, and the arc-shaped frame of the auxiliary component can be rotated first during welding so that the cleaning component is located between the main weldment and the auxiliary weldment, and the welding surface is polished with sandpaper by the cleaning component.

The invention discloses a welding device for aluminum alloy machining, which is applied to the technical field of aluminum alloy welding machining and comprises a main welding platform and an auxiliary welding platform, the main welding platform is fixedly connected to the right side of the auxiliary welding platform, and a first electric cylinder is fixedly connected to the top of the auxiliary welding platform; the telescopic end of the first electric cylinder is in bolted connection with an inclined frame, the side, away from the first electric cylinder, of the inclined frame is fixedly connected with an air bag, the main welding platform is arranged to be matched with the auxiliary welding platform, the structure of a weldment and the structure of the device are fixed and supported, and the horizontal position of the axle box can be matched with the length of the main weldment according to the length of the main weldment; during welding, the main weldment is placed on the inner side of the chuck so as to be fixed, during welding, the arc-shaped rack of the auxiliary assembly can be rotated firstly, the cleaning assembly is located between the main weldment and the auxiliary weldment, and a welding face is polished through abrasive paper through the cleaning assembly.

The application discloses a novel forging process of a spline shaft fork, and comprises the following steps: blank preparation: cutting round steel by operating a high-speed circular saw machine, and cutting a blank with a specified length; local heating; removing the oxide skin; closed extrusion blanking; (5) final forging; edge cutting; quenching and tempering treatment; and shot blasting. The application has the following technical effects: reducing the flash of the fork part, improving the material utilization rate; reducing the damage to the equipment, improving the product yield; further reducing the blank weight, improving the material utilization rate; reducing the production rhythm by half, reducing the operation time, and improving the production efficiency; improving the service life of the die, and reducing the production cost; each forging step of the new process can be well positioned, the equipment required by adjacent processes has good connectivity, and the foundation for automatic production can be provided.

The invention discloses evaporation and crystallization integrated equipment, and belongs to the technical field of evaporation and crystallization equipment, the evaporation and crystallization integrated equipment comprises a crystallizer, a gas-liquid separator, a circulating pipe, a surrounding plate, a sealing baffle plate, a scraping plate and a rotating roller, the rotating roller is driven by a rotating unit installed on the gas-liquid separator to rotate, and the circulating pipe is connected with the circulating pipe. And the scraping plate is connected with the roller surface of the rotating roller in an abutting manner. According to the invention, after a concentrated material enters the gas-liquid separator from the concentrated material inlet, part of the concentrated material rotates along with the rotating roller along with the rotation of the rotating roller, so that the flash evaporation efficiency of the concentrated material is improved, the evaporation capacity of a liquid solvent in the concentrated material is further improved, and the precipitation amount of crystals is improved; compared with the prior art, the device has the advantages that the evaporation capacity of the liquid solvent is improved, the flash evaporation efficiency is improved, and the crystal separation efficiency is improved.

The utility model relates to a forming die of a sleeve for a cable joint. The forming die comprises a movable die and a fixed die positioned below the movable die, wherein a sprue gate is arranged above the movable mold, and a cavity matched with the peripheral surface of the sleeve is arranged between the movable mold and the fixed mold; the core pulling assembly is located between the movable mold and the fixed mold and comprises a left core pulling piece and a right core pulling piece which are located on the two sides of the movable mold; wherein the left core pulling piece comprises a first driving piece and a left core pipe arranged at the output end of the first driving piece, and a frustum is fixed to the end of the left core pipe; and the right core pulling piece comprises a second driving piece and a right core pipe arranged at the output end of the second driving piece, the left core pipe and the right core pipe are coaxially arranged, and a conical groove matched with the frustum is formed in the end of the right core pipe. According to the utility model, the structure is optimally designed, so that the production quality of the casing pipe can be improved, and the practicability is very good.

The invention discloses a heat source radiation physical therapy stone and a manufacturing process and equipment thereof, and relates to the technical field of physical therapy stone, the heat source radiation physical therapy stone comprises a lower mold body and a physical therapy stone body, one side of the lower mold body is fixedly connected with a top frame, an upper mold body is slidably connected in the top frame, and the heat source radiation physical therapy stone further comprises an ejection protection mechanism and a vibration reinforcing mechanism, the vibration reinforcing mechanism is driven by the ejection protection mechanism, through the arrangement of the ejection protection mechanism, the safety of the physiotherapy stone body during ejection is improved, workpiece deformation or damage caused by uneven ejection is avoided, the quality of the physiotherapy stone body after demolding is improved, a cross arc-shaped ejection rod can better disperse the pressure during demolding, and the demolding quality is improved. According to the physical therapy stone, abrasion and damage of a mold are reduced, the service life of the mold can be prolonged, the production cost is reduced, the ejector rod makes closer contact with the physical therapy stone body, and the problems of flashes, burrs and the like generated in the demolding process can be solved.

The application provides a forming process for an inner diameter deep cavity ring type forging, which comprises the following steps: ring rolling preforming, die forging preforming, ring rolling preforming, ring rolling final forging forming and the like. Through the above method, effective accumulation of metal materials in the inner diameter deep cavity is realized, and the flash of the forging and the forming defects of the forging are reduced.

The application provides a self-adaptive floating and pressure-equalizing granite high-pressure pressing die structure, and belongs to the technical field of artificial stone processing and manufacturing. The self-adaptive floating and pressure-equalizing granite high-pressure pressing die structure comprises a forming frame, a die reinforcing frame arranged in the forming frame, a positioning die box arranged in the die reinforcing frame, a plurality of point pressure applying assemblies arranged on the forming frame, the forming frame comprises two support frames and a top frame fixed between the top of the two support frames, the point pressure applying assemblies comprise a plurality of hydraulic push rods arranged fixedly on the top surface of the top frame, a pressure bearing base plate arranged at the bottom of the top frame, and a pressure applying panel arranged at the bottom of the pressure bearing base plate. The application has the advantages that the independent spring mechanical floating structure is adopted, the floating stroke of each pressing block does not interfere with each other, and the change of the thickness of the local material layer only affects the corresponding pressing block and does not disturb the pressure of the remaining area.

This utility model discloses an alumina leaching device, characterized in that: the raw ore slurry, after passing through a first heat exchanger, sequentially enters a second, third, fourth, and fifth heat exchanger, and then enters a heat-insulating retention tank. The heat-insulating retention tank is connected to a flash evaporator. The leached slurry from the flash evaporator is connected to a second heat exchanger, and then enters a dilution tank. The dilution tank is connected to a post-leaching tank via a first pump. This utility model, through optimized thermal energy design, reduces redundant flash evaporation and auxiliary processes in traditional processes, lowers equipment investment costs and operational complexity, and provides a device for optimizing the thermal energy utilization of the leaching system, while simultaneously achieving the goals of simplifying the leaching process and saving investment. Combining the leaching heat balance and the water distillation benefits from flash cooling, it ensures that the ore slurry achieves the best leaching effect and optimal economic benefits in the leaching system.

The utility model relates to the technical field of oil gas discharge pipelines, in particular to an oil gas discharge pipe. The oil gas discharge pipe comprises a pipe body, the inlet end of the pipe body is lower than the outlet end of the pipe body, a plurality of flow guide through holes are formed in the side face, close to the inlet end of the pipe body, of the pipe body, and the inlet end of the pipe body is communicated with a second flow guide piece used for flow guide. The sectional area of one end, close to the pipe body, of the second flow guide piece is smaller than that of the other end. By arranging the second flow guide part, enlarging the sectional area of the inlet end of the oil gas discharge pipe, reducing the overall flow rate of gas, further reducing the pressure drop degree and reducing oil gas loss, and by arranging the plurality of flow guide through holes, gas enters the pipe body from the plurality of flow guide through holes, a boundary layer formed by gas flow in the pipe body can be destroyed, and the oil gas loss is reduced. The flow rate of gas near the side wall is increased, and when the average gas speed on the whole pipeline section is not changed, the gas speed in the center can be reduced, so that the local pressure drop is reduced.

This invention discloses a sulfonic acid-based polyethylene oxide solid proton exchange membrane, its preparation method, and its application. The solid proton exchange membrane includes a porous support layer and a sulfonic acid-based polyethylene oxide proton conductor layer loaded on its surface and / or within its pores. The proton conductor layer is formed by reacting or compounding polyethylene oxide or a polymer containing polyethylene oxide segments with an acidic reagent containing sulfonic acid groups or capable of introducing sulfonic acid groups, and contains fixed acidic proton sites and ether oxygen segments. The preparation method involves dissolving the polyethylene oxide polymer in a solvent and adding an acidic reagent to form a precursor solution, coating it onto the porous support layer, and obtaining the solid proton exchange membrane by drying, curing, or heat treatment. This membrane can constitute a dry-state electrochemical hydrogen purification membrane electrode assembly, achieving selective extraction or purification of hydrogen from a hydrogen-containing gas mixture without adding liquid acidic electrolyte or externally humidifying the inlet gas. This invention can form a continuous composite membrane, verifying its structural components, dry-state proton conductivity, and hydrogen purification applications.

The invention belongs to the technical field of glass processing, and particularly relates to an injection mold with a positioning cavity for an injection molding machine, the injection mold comprises a movable mold, a fixed mold, a servo motor and a demolding mechanism, the movable mold and the fixed mold are oppositely arranged up and down and are matched with each other, a mold core cavity is formed in the bottom of the movable mold, and a floating mold core is arranged in the mold core cavity; a plurality of springs are connected between the top of the floating mold core and the mold core cavity, a positioning cavity is formed in the top of the fixed mold and matched with the bottom of the floating mold core, the servo motor is arranged on one side of the fixed mold and drives the movable mold to move up and down through the transmission mechanism, and the demolding mechanism is arranged in the fixed mold. The demolding device is used for demolding the glass in the positioning cavity. By arranging the floating mold core, glass can be prevented from being broken, the mold is protected, and the product quality is improved; plastic colloid flashes can be reduced, the workload of workers is reduced, and the cost is saved; by arranging the demolding mechanism, material taking is convenient, and the working efficiency is improved.

The utility model relates to the technical field of dies, in particular to a die planar exhaust structure which comprises a die body, a die cavity is arranged on the upper surface of the die body, an annular sheet-shaped air passage is arranged on the upper surface of the die body and located on the outer side of the die cavity, and a plurality of exhaust grooves are formed in the inner side surface of the die cavity at equal intervals. And an air pipe assembly is fixedly installed in the annular sheet-shaped air channel and comprises an annular pipe, a plurality of adjusting pipes are fixedly installed on the surface of the outer side of the annular pipe at equal intervals in an embedded mode, an adjusting assembly is slidably connected into the exhaust groove, and the adjusting assembly comprises a blocking strip. According to the utility model, the sheet-shaped exhaust groove is formed in the inner wall of the mold cavity, so that the size of the exhaust groove is increased, air at the bottom of the mold cavity is conveniently exhausted, the exhaust effect is improved, meanwhile, the exhaust groove is conveniently sealed after the air is exhausted, a sealed space is formed in the mold cavity, and flashes formed at the exhaust groove of an injection molding part are reduced; the injection molding quality is improved.

The invention discloses an air inlet pipe rubber joint processing die and method.The die comprises an upper die, a lower die, a die core and a framework, the upper die, the lower die and the die core jointly form a cavity for containing rubber, the framework is arranged in the cavity, a positioning hole is formed in the lower die, a positioning protrusion matched with the positioning hole is arranged on the die core, and the positioning protrusion is arranged on the framework. The mold core and the cavity are coaxially arranged through the positioning bulge; the mold further comprises an injection-compression cylinder and a cylinder cover, the injection-compression cylinder is arranged on the upper mold, and the injection-compression cylinder is provided with a containing cavity for containing glue and a glue injection opening for injecting glue into the cavity; the cylinder cover is arranged on the injection molding cylinder and provided with an abutting part matched with the containing cavity, and the cylinder cover is driven by external force to move towards the injection molding cylinder so as to extrude the glue in the containing cavity into the cavity through the glue injection opening; material returning grooves are formed in one end, close to the cavity, of the joint of the lower mold and the upper mold, the joint of the upper mold and the injection-molding cylinder and the joint of the mold core and the injection-molding cylinder. The problems that in the traditional technology, flashes are likely to be generated, and a plastic framework is likely to deform are effectively solved.

The application relates to a manufacturing device for a glass edge covering assembly, which comprises a forming die and an injection mechanism. The forming die is provided with a forming chamber matched with the glass edge covering assembly, and the inner wall of the forming chamber is provided with at least one abutting part matched with the guide rail of the glass edge covering assembly, and the hardness of the abutting part is lower than that of the guide rail. The injection mechanism is used for injecting edge covering material into the forming chamber, the edge covering material is solidified to form an edge covering, and the edge covering is used for fixedly connecting the glass and the guide rail. The manufacturing device for the glass edge covering assembly of the application is matched with the guide rail through the abutting part, the hardness of the abutting part is lower than that of the guide rail, a large number of experimental researches show that the surface of the guide rail cannot be pressed, meanwhile, the surface of the guide rail is closely matched with the abutting part, the surface pressing of the guide rail can be eliminated, the production yield is improved, and meanwhile, the production efficiency is improved.

The utility model relates to the technical field of DTMB parts, in particular to an injection molding mold for key parts of a DTMB system, which comprises a fixed mold, a movable mold and a DTMB frequency converter shell mold core embedded in a mold cavity of the movable mold. A plurality of air springs are arranged on the side face, facing the movable mold, of the double-rod I-shaped supporting buffer plate, the free end of each air spring is connected with the interior of the fixed mold, so that the double-rod I-shaped supporting buffer plate elastically abuts against the inner wall of the mounting machine table in a buffering mode, and mounting notch grooves are formed in the two ends of the side face, facing the movable mold, of the fixed mold correspondingly; a hydraulic damper is slidably mounted in each mounting notch groove, the damping end of each hydraulic damper is symmetrically connected with two buffering and force unloading auxiliary wheels, and each buffering and force unloading auxiliary wheel is used for buffering, damping and force unloading in the mounting notch grooves through the hydraulic dampers when the movable mold is closed.

The invention discloses an adaptive device for thermal deformation of a die-casting injection molding system, which comprises a head plate, a second plate and a third plate, a mold is arranged between the head plate and the second plate, a fixed mold is arranged on the head plate, a movable mold is arranged on the second plate, and the second plate is arranged on a movable guide rail and slides along the fixed guide rail to drive the movable mold and the fixed mold to be closed and drive the movable mold to be separated from the fixed mold. A clamping mechanism is arranged between the second plate and the third plate, and a spherical swing mechanism is arranged between the second plate and the third plate and connected with the clamping mechanism in series. According to the invention, the die locking mechanism between the second plate and the third plate is connected in series with the spherical swing mechanism through a die-casting and injection molding machine, so that the die locking mechanism can adapt to parallelism errors between the second plate and the third plate caused by thermal deformation; the mold locking mechanism can adapt to mold parallelism errors caused by thermal deformation and parallelism errors between the first plate and the second plate, and achieves the effects of locking the mold by taking contact surface attachment of the fixed mold and the movable mold and a positioning pin between the fixed mold and the movable mold as references, avoiding water flying, reducing flash and improving the product quality.

The application discloses an air inlet pipe rubber joint processing die and method, and the die comprises an upper die, a lower die, a die core and a framework, the upper die, the lower die and the die core jointly form a cavity accommodating rubber, the framework is arranged in the cavity, the lower die is provided with a positioning hole, the die core is provided with a positioning protrusion matched with the positioning hole, and the die core is coaxially arranged with the cavity through the positioning protrusion; the die further comprises an injection cylinder and a cylinder cover, the injection cylinder is arranged on the upper die, the injection cylinder is provided with an accommodating cavity accommodating rubber and an injection opening for injecting rubber into the cavity; the cylinder cover is arranged on the injection cylinder and is provided with an abutting part matched with the accommodating cavity, and the cylinder cover moves towards the injection cylinder under the driving of external force, so that the rubber in the accommodating cavity is extruded into the cavity through the injection opening; the connecting parts of the lower die and the upper die, the upper die and the injection cylinder and the die core and the injection cylinder are all provided with material returning grooves near one end of the cavity, so that the problems of burrs and deformation of the plastic framework in the traditional process are effectively solved.

A forging process for a plunger sleeve forging and a plunger sleeve forging, and relate to the field of forging technology. The forging process for the plunger sleeve forging includes the following steps: blanking; heating; forging die forming: placing the heated blank into the forging die cavity of the forging die to be compressed and deformed to obtain a blank, wherein the tail of the forging is extruded as a whole using the tail cavity in the forging die cavity when the die is closed, and the head cavity and the ear cavity in the forging die cavity are extruded as a whole using the head cavity and the ear of the forging, so that a flash flush with the end face of the ear of the forging is formed on the outer edge of the end face of the ear of the forging; trimming; flaw detection; heat treatment; surface cleaning. The above scheme can reduce flash, and improve the situation that the ear of the forging is easily stretched and deformed during trimming in the existing forging process, thereby improving product quality and reducing scrap rate, reducing product rework, and improving production efficiency.

The invention discloses a silica gel complex mold product process which comprises the following steps: firstly, manufacturing a female mold, setting corresponding parameter standards in real time through CNC (computer numerical control) according to the dimension specification and shape standard of a 2D (two-dimensional) or 3D (three-dimensional) drawing, and processing the female mold; the preparation method comprises the following steps: preparing a female mold, performing laser rapid prototyping through SLA or manufacturing a prototype of the female mold through 3D printing equipment, then manufacturing a silica gel mold, firstly manufacturing a mold frame and a runner and exhausting when the silica gel mold is manufactured, mixing the material A and the material B according to a ratio of 1: 1 to prepare liquid silica gel, uniformly stirring, and vacuumizing and defoaming. Aiming at plastic or polyurethane products with small batches and complex shapes, the liquid silica gel can be fully attached to a female mold and perfectly copies the shapes by utilizing good fluidity of the liquid silica gel, the mold manufacturing time is far shorter than that of a steel mold, the mold manufacturing period can be greatly shortened, the mold has excellent elastic recovery capability, meanwhile, the mold is easier and more convenient to disassemble and assemble, and the production efficiency is improved. The operation difficulty of workers is greatly reduced, and working hours are effectively saved.

The present application relates to the technical field of aluminum alloy material automobile parts processing, and particularly relates to a die casting method for lightweight high-toughness automobile aluminum castings, comprising the following steps: a, aluminum alloy melting; b, mold preparation; c, die casting forming; d, cooling and solidification; e, air cooling; and f, edge cutting. The air cooling step of the existing die casting forming process of automobile aluminum castings is improved. When the aluminum castings are air cooled, the outer side wall of the aluminum castings is air cooled by straight airflow, and the inner side wall of the aluminum castings is air cooled by circulating airflow formed by airflow guidance. The inner and outer side walls of the aluminum castings are synchronously cooled by the circulating airflow, which can well reduce energy consumption and improve the structural integrity, mechanical properties and subsequent processing adaptability of the aluminum castings.

The utility model provides a kind of die mechanism for oil-resistant fluorine rubber sealing ring forming die, including upper die and lower die, type cavity and second material channel are opened between upper die and lower die, several temperature-adjusting circulation pipes are opened in upper die and lower die, first material channel and four guide grooves are opened on upper die, first material channel is fixedly connected with feeding cylinder, lower die is fixedly connected with guide column, guide column is slidably connected with guide groove, upper die is fixedly connected with limit pressure-increasing assembly, limit pressure-increasing assembly is slidably connected with guide column.The scheme is driven by electric telescopic rod by setting limit pressure-increasing assembly, and the mode of cooperation with the inclined surface of pressure-increasing locking groove on guide column, after guiding alignment in die closing process, can automatically exert an additional locking and pressure-increasing force, effectively resist material injection pressure, so as to prevent die cavity from expanding, reduce product flash, ensure the precision and consistency of sealing ring size.

The utility model discloses a core-pulling mechanism and a six-direction core-pulling vulcanization mold, and relates to the technical field of automobile part manufacturing, the core-pulling mechanism comprises a sliding block, and further comprises a movable mold core, a driving block, a connecting piece and a spring stop block; a conical parting surface is arranged at the front end of the movable mold core, and the rear end of the movable mold core is fixedly connected with the sliding block; the driving block is used for driving the slider to slide back and forth; the front end of the connecting piece penetrates through the spring check block and then is connected with the sliding block, and a reset spring is arranged between the rear end of the connecting piece and the spring check block and used for resetting the sliding block. According to the utility model, the product quality is improved, the labor intensity is reduced, and mold storage is facilitated.