65results about How to "Easy to mold" patented technology

The utility model relates to the technical field of battledore molds, in particular to a carbon fiber battledore mold convenient to assemble, which comprises a lower mold, an upper mold is rotatably connected onto the lower mold, and three sliding chutes are arranged at the top end of each of the lower mold and the upper mold. The carbon fiber badminton racket mold comprises a lower mold body and an upper mold body, a sliding groove is formed in the lower mold body, a sliding groove is formed in the upper mold body, the sliding groove in the lower mold body corresponds to the sliding groove in the upper mold body in position and communicates with the sliding groove in the upper mold body, a clamping groove is formed in the foremost end of the sliding groove in the upper mold body, a lower mold groove is formed in the top end of the lower mold body, and an upper mold groove is formed in the bottom end of the upper mold body. The upper mold and the lower mold can be rapidly and conveniently fixed through the fixing mechanism, the sliding block is closed in a sliding mode, the clamping block is inserted into the clamping groove, the upper mold is rapidly fixed, the tedious steps of fixing of a traditional mold are effectively reduced, mold closing and fixing of the mold are more convenient and rapid, and the production efficiency is improved.

The utility model discloses a casting production device for valve casting, which comprises a lower die, an upper die is arranged at the top of the lower die, a casting gate is arranged in the middle of the top surface of the upper die, and a die cavity is arranged in the middle of the top surface of the lower die; the inner side of the bottom of the lower die penetrates through a bearing left and right to be connected with a rotating rod, the middle of the rotating rod is connected with a screw rod through a conical tooth connecting piece, and the screw rod is in threaded connection with a die outlet plate; a cavity is formed in the inner side of the bottom of the lower mold, and knocking rods are slidably connected into the cavity at equal intervals in a penetrating mode. And a heat dissipation cavity is formed in the top of the inner side of the lower mold and surrounds the outer side of the mold cavity, cooling pipes are laid on the inner wall of the heat dissipation cavity, and heat dissipation fans are installed in the middles of the left side and the right side of the heat dissipation cavity at equal intervals. When the casting production device for valve casting is used, a formed valve can be subjected to mold stripping treatment conveniently and rapidly, and the cooling speed of a model is increased in a water cooling and air cooling mode.

The utility model relates to a liquid silica gel thinning machine which comprises a fixed table, a lifting plate is arranged above the fixed table, movable plates are symmetrically arranged at the bottom of the fixed table and the bottom of the lifting plate in a sliding mode, a lower silica gel mold is arranged on the fixed table, and an upper silica gel mold is arranged at the bottom of the lifting plate. A heat preservation box is fixedly arranged on the rear side of the fixed table, an electric heater is fixedly arranged on the side wall of the heat preservation box, a stirring rod is rotatably arranged in an inner cavity of the heat preservation box, a cooling water tank is fixedly arranged in an inner cavity of the fixed table, and the cooling water tank is connected with a fixed table top plate and a lifting plate through guide pipes. The silica gel mold can be positioned and fixed through the movable plate, different molds can be conveniently replaced, liquid silica gel is temporarily stored in the heat preservation box with the high temperature, the situation that the liquid silica gel is cooled is prevented, the silica gel can be rapidly cooled through cooling water after being formed, and the practicability of the silica gel mold is improved.

The utility model discloses a special die for producing a toilet, which relates to the technical field of toilet manufacturing and comprises a die workbench, four corners of the lower surface of the die workbench are fixedly connected with supporting legs, the upper surface of the middle of the die workbench is fixedly connected with a bottom die, the upper surface of the bottom die is provided with a core die, and the upper surface of the die workbench is provided with a side die. A grouting opening is formed in the upper surface of the side mold, a handle is fixedly connected to the outer surface of the upper portion of the side mold, a motor is installed on the lower surface of the mold workbench, a cam is fixedly connected to the output end of the motor, a spring is fixedly connected to the lower surface of the mold workbench, and a connecting plate is fixedly connected to the other end of the spring. Through the arrangement of the fixing block, the limiting idler wheel and the limiting groove, the effect of liberating labor force is achieved, the purpose of convenient use is achieved, through the arrangement of the motor, the cam, the spring and the connecting plate, the pedestal pan is firmer, and the purpose of improving the manufacturing quality of the pedestal pan is achieved.

The utility model discloses a mould for producing a pump cover, which relates to the technical field of moulds, and comprises an upper mould body, the outer wall of the upper mould body is fixedly connected with a connecting ring, the inner wall of the connecting ring is provided with a circular hole, the outer wall of the circular hole is provided with a lengthened bolt, the outer wall of the lengthened bolt is in threaded connection with a circular ring, and the circular ring is provided with a through hole. A supporting block is fixedly connected to the outer wall of the circular ring, and a mounting hole is formed in the inner wall of the supporting block. According to the mold for producing the pump cover, the upper mold body, the connecting ring, the circular hole, the lengthened bolt, the circular ring, the supporting block, the mounting hole, the vertical locking bolt and the inserting block are matched for use, so that the mold for producing the pump cover is convenient to assemble, the mold assembly process is more accurate, the mold assembly effect is good, the upper mold body and the lower mold body are fixed through the lengthened bolt, and the mold assembly efficiency is improved. And the vertical locking bolts are screwed through the mounting holes, so that the upper mold body and the lower mold body can be firmly fixed and closed, the mold closing is better, and the use requirements of people can be met.

The invention discloses a double-head aluminum handrail laser welding machine which comprises a base, a support is installed on the base, a supporting frame is arranged at the top of the support, the supporting frame is divided into two identical frames through a partition plate, clamp mechanisms are arranged in the two frames, and each clamp mechanism comprises a supporting assembly and a clamping assembly. Two welding assemblies are symmetrically and movably arranged above and below the supporting frame correspondingly, and an adjusting mechanism used for adjusting the positions of the welding assemblies is arranged on the base and located behind the support. The aluminum handrail part is clamped and fixed by arranging the supporting assembly and the clamping assembly, the connecting seam of the aluminum handrail part is exposed, then the position of the welding assembly is adjusted and movably welded through the adjusting mechanism, and therefore the connecting seam of the upper face and the lower face of the aluminum handrail part is automatically welded, and the welding manufacturing process of the aluminum handrail part is completed; the upper surface and the lower surface of the part do not need to be manually replaced for welding, the machining and production efficiency of the aluminum handrail is greatly improved, and the function of welding the upper surface and the lower surface of the part at the same time is achieved.

The invention relates to the technical field of molds, and provides a mold for eliminating craze whitening of a prefabricated blade root and a heating arrangement method.A temperature control system is additionally arranged on the mold, the temperature of different subareas of a product is monitored and controlled in real time, in the resin curing process, the area with the too high temperature is cooled or not heated, and the area with the too low temperature is heated, so that the temperature of the prefabricated blade root is lowered; the temperature difference between different partitions is eliminated, so that the temperature of a product can be stably increased along with a curing curve in the curing process, the mold comprises a mold assembly and further comprises a temperature control system, a mold body comprises an upper mold and a lower mold, and the upper mold and the lower mold are provided with an upper mold cavity and a lower mold cavity correspondingly. The upper mold cavity and the lower mold cavity are matched with each other to form a blade root storage and manufacturing space, a mold opening and closing structure is arranged between the upper mold and the lower mold, the temperature control system comprises a plurality of first upper outer pipes, a plurality of second upper outer pipes, a plurality of first lower outer pipes and a plurality of second lower outer pipes, and the first upper outer pipes and the second upper outer pipes are arranged in the upper mold.

The present invention discloses a prefabricated vertical light-weight template for assembled box culverts and a manufacturing method and a prefabricated method for box culverts, including a base, an outer mold, a connecting rod mechanism, an inner mold, an end mold and a hydraulic support mechanism. The base is composed of two longitudinal beams, three transverse beams and two walking platforms. The outer mold is composed of four integral templates, each template is attached with a steel plate inside and welded with a diagonal brace outside. The inner mold is composed of an inner layer of grid ribs and an outer layer of inner mold steel plate. The inner mold steel plate is stamped from a whole piece of steel plate. The whole section is provided with only one joint. Two longitudinal ribs are provided at the joint of the folded section. Walking wheels are provided at the lower end of the longitudinal ribs. The assembly and disassembly of the inner mold is realized by the extension and contraction of the hydraulic support mechanism. The outer mold of the present invention adopts an integral, large-block template design, which can be driven by a connecting rod mechanism or a hydraulic system. The inner mold is driven by a full hydraulic support. The whole section is provided with only one joint. Vertical casting is adopted, and the end plates are matched for production. The finished segment has a good appearance effect.

This utility model relates to the field of molds and discloses a mold structure for side trimming, including an upper mold base and a lower mold base. A pressure plate is elastically and vertically mounted on the bottom of the upper mold base, and a support base is fixedly mounted on the lower mold base. A cutting tool is mounted on the lower mold base. A transverse demolding structure is provided on the side wall of the support base near the scrap material, which drives the side plate of the workpiece to elastically deform away from the support base when the cutting tool detaches from the workpiece, thereby detaching the workpiece from the support base. A longitudinal demolding structure is provided on the upper end surface of the support base, which drives the workpiece to move upward relative to the support base when the pressure plate detaches from the support base. In this side trimming mold structure, after the cutting tool detaches from the side plate, the transverse demolding structure automatically drives the side plate to elastically deform away from the support base, ensuring that the side plate detaches from the support base. Subsequently, when the pressure plate detaches from the workpiece, the longitudinal demolding structure automatically drives the workpiece to move upward relative to the support base, thereby completing the demolding. The workpiece automatically completes demolding during the mold opening process, making demolding convenient.

The invention discloses automobile radiator water chamber injection molding equipment, and relates to the technical field of injection molding equipment, the automobile radiator water chamber injection molding equipment comprises a rack, an injection mold and a pouring mechanism, the injection mold comprises a fixed mold and an air cylinder, a guide column is fixedly mounted on the side of the outer side of the fixed mold, and a movable mold is fixedly mounted at the output end of the air cylinder; the movable mold and the guide column are slidably installed through a sliding sleeve, a sprue bush is fixedly installed on the side, away from the movable mold, of the fixed mold, a self-locking assembly is installed between the top of the fixed mold and the top of the movable mold, the pouring mechanism comprises a right-angle guide rail and a pouring main machine, and the bottom of the pouring main machine and the output end of a hydraulic cylinder are fixedly installed; a feeding bin is installed in the middle of the top of the pouring main machine, an injection molding barrel is fixedly installed on the side, close to the sprue bush, of the pouring main machine, and a heat utilization assembly is installed on the outer circle face of the injection molding barrel. According to the injection molding equipment for the water chamber of the automobile radiator, the anti-loosening effect is achieved, the influence of external force and vibration is reduced, mold opening and closing are convenient, and injection molding is safe and reliable.

The utility model discloses a vacuum melting furnace building mold, which comprises a lower mold, an upper mold and a lower mold, a mounting shell is mounted on the inner side of the lower mold, an induction coil is mounted in the mounting shell, and an iron mold is mounted on the inner side of the mounting shell; the sealing green mud is arranged at the upper end of the lower mold; a mounting groove is formed in the inner side of the sealing green mud, and a storage cup is mounted on the inner side of the mounting groove. The utility model belongs to the technical field of metal powder preparation, and aims to solve the problem of short service life of a smelting crucible in the prior art. The method has the technical effects that the crucible material filled in the induction coil can be shaped through the iron mold, the furnace lining is sintered into the crucible at high temperature in a heat preservation manner, after the crucible is shaped, the iron mold is heated by the induction coil, after the iron mold is subjected to hot melting, the iron mold is melted into molten steel and poured out, and the strength of the crucible wall formed after the furnace lining is sintered is remarkably improved; the problem that a smelting crucible is short in service life is solved.

The invention relates to a preparation method and application of a binary formula Dai pottery pug. The preparation method comprises the following steps: taking Dai pottery clay in the HongRiver basin, Wuhua soil in the HongRiver county and charcoal dust, and exposing and weathering the Dai pottery clay and the Wuhua soil for at least three months; the mass content of SiO2 in the Dai clay in the HongRiver basin is not less than 50%, the mass content of Al2O3 is not less than 15%, the mass content of Fe2O3 is not less than 10%, and the ignition loss is less than 10%; the content of SiO2 in the Wuhua soil in the Honghe county is 72%-82%, the content of Al2O3 is 9%-12%, and the content of Fe2O3 is 3%-5%; the preparation method comprises the following steps: adding water into the Dai pottery clay and the Wuhua soil according to the mass ratio of the Dai pottery clay to the Wuhua soil to the charcoal powder of (100-120): (40-50): (8-10), fully soaking, then carrying out ball milling, sieving slurry, then adding the charcoal powder, uniformly stirring, squeezing mud, draining, pugging and exhausting. According to the invention, the throwing and compression molding performances of the Dai pottery clay can be improved, the sintering temperature and the compactness and strength of the structure of the Dai pottery clay can be improved, and the burn out rate can be reduced.

The utility model relates to the technical field of stamping equipment, in particular to a forming device for machining and forming a motorcycle brake disc, which comprises a stamping table and further comprises a stamping component, a pressing component, a pressing component, a pressing component and a pressing component. The bearing assembly comprises a lower die piece, a rotating shaft, a gear, a mounting seat, a die drawing frame, a connecting piece and a rack, after stamping is completed and when the lifting plate ascends, the rack drives the gear to rotate, then the rotating shaft rotates, the mounting seat rotates along with the rotating shaft, the die drawing frame is driven to ascend through the connecting piece, and the formed brake disc is taken out from the lower die piece; the connecting piece adopts the design of an elastic piece and a clamping block, the elastic piece comprises a spring and a telescopic rod, and the clamping block is matched with the unlocking hole of the drawing frame. When the drawing frame is installed, the clamping block is clamped into the unlocking hole under the action of the elastic piece, accurate positioning of the drawing frame is achieved, displacement of the drawing frame in the stamping process is prevented, and the stamping precision and quality of the brake disc are guaranteed.

The utility model discloses a casting mold for metal casting production. The casting mold comprises a base, an upper mold, a lower mold and a circulating cooling device, cooling liquid used for cooling is injected into the base, a portal frame is fixedly arranged above the base, the upper mold is fixedly arranged on the portal frame, a corresponding metal casting mold cavity is formed in the upper mold, and a casting pipe is installed at the top of the portal frame. The bottom end of the casting pipe is connected with the upper die and used for injecting metal liquid into a die cavity of the upper die. The upper mold and the lower mold are convenient to assemble and disassemble, a metal casting is very convenient to take out, time and labor are saved, the working efficiency is improved, cooling liquid circulates into the base and overflows to the lower portion after being refrigerated by the semiconductor chilling plate, the temperature of the pumped cooling liquid is kept low, the difference between the follow-up cooling effect and the early-stage cooling effect is reduced, and the service life of the metal casting is prolonged. And the cooling continuity and the cooling effect are effectively ensured.

The utility model relates to the technical field of rubber product processing, and discloses a rubber oil pressure forming device which comprises an operation table, an air box is fixedly installed at the top of the operation table, a lower mold and an upper mold are arranged above the operation table, an air pump is fixedly installed at the bottom of the operation table, and an air inlet pipe penetrates through the bottom of the operation table. The output end of the air pump is connected with the lower end of an air inlet pipe, the upper end of the air inlet pipe communicates with the interior of the air bellow, a plurality of air pipes penetrate through and communicate with the top of the air bellow, the upper ends of the air pipes penetrate through the bottom of the lower mold, and matched pipe plugs are arranged on the upper sides of the interiors of the air pipes. U-shaped pieces are symmetrically and fixedly connected to the inner walls of the two sides of the air pipe. The air pump, the air inlet pipe, the air bellow, the air pipe, the pipe plug, the connecting shaft, the U-shaped piece, the lug piece and the spring are matched for use, so that a rubber forming product in the mold groove of the lower mold can be blown up, discharging is facilitated, and the rubber forming product is not prone to deformation.

The present invention provides a bispecific antibody capable of being combined with immune cells to enhance a targeting tumor killing capability, and a preparation method therefor and an application thereof. Antibodies and degradable nanoparticles are connected by using a chemical method, so as to make the one nanoparticle be connected to two or more antibody molecules at the same time, wherein one antibody can be specifically bound with immune cells, and the other antibody or the other antibodies can be specifically bound to tumor cells so as to achieve the effect of enhancing the capability of the immune cells for specifically killing tumor cells in a targeting way.

Disclosed are a vacuum pressing pump and a mold for manufacturing a pump cover. The vacuum pressing pump comprises a pressing head, an outer cover, a pump cover and a pump base, wherein the pump cover and the pump base are installed together, the pump cover is provided with a first clasp ring, and the outer cover is fixedly matched with the pump cover through the first clasp ring. The pump base is provided with an outer sleeve, a container matching portion is arranged on the outer side of the outer sleeve, and an annular groove is formed between the container matching portion and the outer sleeve. The lower part of the pump cover is provided with an inner plug, the inner plug can be inserted into the annular groove, so that the pump cover and the pump base are fixedly matched, the first clasp ring is formed on the outer surface of the pump cover, and the pump cover is formed to have the maximum diameter at the first clasp ring. The vacuum pressing pump with the structure can overcome the problems that the matching force between the pump cover and the outer cover is too tight or too loose, and can be conveniently manufactured. The disclosed mold is used for manufacturing the pump cover in the vacuum pressing pump.

The present invention provides a double-turntable press-blow machine, comprising: a pressing indexing unit; comprising a first die base mechanism for supporting and limiting a material drop and a turntable for driving the first die base mechanism to perform horizontal rotation; a blowing indexing unit; comprising a second die base mechanism for supporting and limiting a blank, a push rod mechanism for controlling the operation of the second die base mechanism and a turntable for supporting the second die base mechanism and a connecting rod mechanism; the turntable can drive the second die base mechanism and the push rod mechanism to rotate synchronously; a clamping and transferring unit; arranged on a mounting frame, and used for clamping and transferring the blank of the first die base mechanism or the second die base mechanism; the present invention performs a positive pressing and blowing process on the blank through independently operated pressing rotating units and blowing rotating units, breaking the operating process flow of reverse pressing followed by positive blowing on the existing mainstream press-blow method equipment in China; it is easier to mold the blank, and the mouth mold is relatively simple, ensuring that the product has a uniform wall thickness and no wrinkles.

The present invention relates to the technical field of production of supporting roller blanks, and in particular to a production process of supporting roller blanks, the process comprising the following steps: step S1, applying a coating agent in a forming column of a cooling centrifugal mechanism, then placing 1720°C molten iron in the forming column for rotating centrifugation, spraying and cooling the rolling column through a spray pipe, rotating for 7 minutes to cool and form to obtain a long column with a through hole in the middle; step S2, taking the long column out of the forming column, and then conveying it to a cutting mechanism for cutting; step S3, cutting the long column into short columns by a saw blade of the cutting mechanism, and then conveying it to a baking oven for heating; step S4, conveying the short columns heated to between 1050°C and 1150°C in the baking oven to a die press for die pressing, and finally obtaining a wheel blank. The present invention can directly manufacture a hollow column, which is convenient for the subsequent manufacture of wheel blanks and reduces production costs.

The invention discloses a mold and a using method thereof, and relates to the technical field of molds, the mold comprises a front mold, a rear mold and a core pulling assembly, mold closing and mold opening are achieved by arranging the front mold and the rear mold, and the core pulling assembly is adopted for core pulling. A pressing base of the core pulling assembly is installed on the rear mold, an insert pin is fixedly arranged on an installation base, an elastic piece is connected with the installation base, and the installation base is in sliding connection with the pressing base. The elastic piece is adopted to drive the insert pin to move, so that the conditions of shaking, deviation and the like of the insert pin caused by the instability problem during opening of the front mold can be avoided. Due to the fact that the installation base is in sliding connection with the pressing base, the elastic piece can drive the installation base to slide along the pressing base, then the insert pin is driven to conduct core pulling from the through hole of the product, and subsequent product demolding is facilitated. The insert pin does not need to be positioned through a positioning hole formed in the rear mold, so that the problems of abrasion, breakage and the like in the matching process of the insert pin and the positioning hole are solved, the production efficiency is improved, the maintenance cost is reduced, and the product quality is ensured.

A method for preparing a binary formula for Dai pottery clay and its application is disclosed. The method involves taking Dai pottery clay from the Honghe River basin, five-colored clay from Honghe County, and charcoal powder. The Dai pottery clay and five-colored clay are sun-dried and weathered for at least three months. The Dai pottery clay from the Honghe River basin has a SiO2 content of not less than 50%, an Al2O3 content of not less than 15%, an Fe2O3 content of not less than 10%, and a loss on ignition of less than 10%. The five-colored clay from Honghe County has a SiO2 content of 72-82%, an Al2O3 content of 9-12%, and an Fe2O3 content of 3-5%. The method involves soaking the Dai pottery clay and five-colored clay in water until fully saturated, then ball-milling them. The slurry is sieved, and then charcoal powder is added. After stirring evenly, the clay is pressed to drain water and then kneaded to remove air. This invention can improve the throwing and molding performance of Dai pottery clay, increase the sintering temperature and the density and strength of its structure, and reduce the burn-off rate.

The invention discloses a connection node and construction method of a steel truss with a Y-shaped cross section and a reinforced concrete structure, and relates to the technical field of construction engineering and composite structures. The connection node of a steel truss with a Y-shaped cross section and a reinforced concrete structure comprises an H-shaped steel component, an outrigger truss rod, and a load transfer component welded between the H-shaped steel component and the outrigger truss rod; the H-shaped steel component and the load transfer component are pre-buried in a reinforced concrete shear wall; the load transfer component comprises a vertically arranged panel, a pair of connecting plates welded vertically at intervals in the middle of the inner surface of the panel, anchor bars welded vertically at both sides of the inner surface of the panel, and a stiffening plate welded on the H-shaped steel component; the anchor bars are arranged at intervals along the height direction of the panel; and the outer surface of the panel is flush with the outer surface of the reinforced concrete shear wall. The invention solves the problem that the traditional connection method will cut off the reinforced concrete shear wall, forming a closed cavity in the shear wall, making it difficult to pour concrete in the cavity, and it is difficult to ensure the continuous density of concrete in the node area.

The utility model relates to the technical field of paper-plastic molds, and discloses an anti-slip inverted paper-plastic product mold which comprises an operation table, a lower mold and an upper mold are arranged above the operation table, and a mounting device is arranged above the operation table. According to the anti-skid inverted paper-plastic product mold, by arranging a third screw rod, second sliding blocks and a positioning block, by rotating the third screw rod, the two second sliding blocks get close to each other, the positioning block positions the lower mold, a water outlet hole is formed in the lower mold, and when the upper mold and the lower mold are closed, a water body in a paper-plastic primary blank penetrates through the water outlet hole, so that the water body in the paper-plastic primary blank is discharged; the water flows into the water receiving tank on the operation table, so that the paper-plastic primary blank is conveniently dehydrated and shaped; by arranging the mounting plate, the connecting block, the connecting plate, the second sliding rod, the spring and the third sliding rod, when the telescopic rod is controlled to extend, an output rod of the telescopic rod drives the connecting plate, the mounting plate and the upper die to move downwards, die assembly of the upper die and the lower die is facilitated, collision between the upper die and the lower die is avoided by utilizing the elastic force of the spring, and meanwhile dehydration of a paper-plastic primary blank is facilitated.

The embodiment of the utility model provides a thick-wall light guide structure, a vehicle lamp structure and a vehicle, the thick-wall light guide structure comprises a thick-wall body, and the thick-wall body comprises an arc-shaped light incoming surface and an arc-shaped light outgoing surface which are oppositely arranged; the light incident surface is provided with a light guide surface, the light guide surface is obliquely arranged relative to a preset reference surface, and the preset reference surface is perpendicular to the direction of an optical axis of incident light; the curvature of the light emitting surface is gradually changed, and the inclination angle of the light guide surface is in positive correlation with the curvature of the light emitting surface corresponding to the light guide surface. Therefore, a structure similar to a collimation structure is formed between the light inlet surface and the light outlet surface through the light guide surface, and refraction of incident light rays through the light guide surface can relieve refraction of large angle deviation of the position of the light inlet surface with large curvature to the incident light rays. Therefore, more incident light can be straightened and emitted relative to the light-emitting surface, the light intensity and brightness are transited gently, and the light-emitting effect is improved.

The utility model discloses a toilet bowl, and belongs to the technical field of sanitary products. Comprising a toilet bowl body, a siphon nozzle mounting area is arranged on the lower side of the toilet bowl body, and a siphon nozzle is detachably connected to the siphon nozzle mounting area; the included angle between the outer side face of the siphon nozzle installation area and the horizontal direction is smaller than 90 degrees, and the outlet direction of a jet flow channel of the siphon nozzle inclines downwards in the horizontal direction. The utility model solves the problems that the production process is complicated and the product quality is not easy to guarantee due to the unreasonable design of the area of the siphon nozzle of the conventional toilet.

The invention discloses a heat preservation rubber and plastic plate molding press and a thickness control pressing head thereof, and relates to the technical field of rubber and plastic plate production and processing, the heat preservation rubber and plastic plate molding press comprises a rack, and a heating assembly is fixedly installed at the center of the top of the rack. When the device is used, a fan is started, peculiar smell is sucked into a plurality of air suction hoods through air suction holes, then enters a square pipe through a fixed pipe and then enters a connecting pipe, sucked air is sprayed out downwards through an air outlet pipe, and sprayed air flow pushes arc-shaped blades to rotate; odor gas enters the annular adsorption bed along the arc shape of the arc-shaped blades, an adsorbent in the annular adsorption bed can adsorb the odor gas, the gas is driven to flow under the rotation of the arc-shaped blades, the odor gas can be fully adsorbed, the adsorption effect is improved, the treated air is discharged through the exhaust holes, and therefore the gas treatment effect is achieved. And the pollution to air and the influence on human health are reduced.

The invention discloses a preparation method of a metal hollow sphere, which comprises the following steps of: 1, uniformly mixing two stages of non-spherical metal powder with different powder granularities as raw materials, and pressing to obtain a cubic or cylindrical green body; secondly, non-spherical metal powder with the fine powder granularity is adopted for preparing powder slurry, and the powder slurry is sprayed on the surface of the cubic or cylindrical green body to obtain a sprayed green body; 3, sintering the sprayed green body at high temperature to obtain a sintered green body; and fourthly, the sintered blank is placed in electrostatic suspension equipment to be subjected to high-temperature melting and heat preservation, and the metal hollow ball is obtained after rapid cooling. The porosity of the metal hollow sphere is regulated and controlled by selecting the non-spherical metal powder with the two-level granularity as the raw material, container-free and crucible-free near-net forming is achieved through the electrostatic suspension method, the metal hollow sphere with the hollow interior and the solid exterior and the sphere wall being a compact shell is obtained, the blank of the size of the metal hollow sphere from the micro-nano level to several millimeters is filled, and the metal hollow sphere is suitable for large-scale production. The material is suitable for the fields of energy absorption, damping vibration attenuation, explosion prevention, flame retardance, heat insulation and the like.

The utility model discloses a ceramic forming die with a pre-positioning mark, which relates to the field of ceramic forming dies and comprises a base, the top of the base is fixedly connected with a fixing frame, the bottom of the fixing frame is movably connected with a die core, and the bottom of an inner cavity of the die core is movably connected with a contact sensor. A connecting cylinder is fixedly connected to the top of the contact sensor, a movable groove is formed in the center of the top of the base, mold bodies are symmetrically and movably connected to the front face and the back face of the top of the base, and first pre-positioning identification assemblies are symmetrically and fixedly connected to the tops and the bottoms of the left side and the right side of the mold body on the front face; second pre-positioning identification assemblies are symmetrically and fixedly connected to the tops and the bottoms of the left side and the right side of the mold body on the back face. When the ceramic forming die with the pre-positioning mark is used for manufacturing a die, a better positioning effect can be achieved, and meanwhile, the die is convenient to demould.

The utility model discloses a combined die for producing a uniaxial symmetrical metal section bar, which comprises an extrusion die, a die support, an extrusion needle and a die holder, the extrusion die comprises a first hole cavity, a first balance hole and a first positioning hole, and the die support comprises a second hole cavity, a second balance hole and a second positioning hole. The extrusion die and the extrusion needle form a pipe cavity, the extrusion die, the extrusion needle and the pipe cavity are coaxial, and a positioning groove for placing the extrusion die and the die support is formed in the die holder. According to the utility model, the problem of unbalanced metal flow when a hot extrusion process is used for producing uniaxial symmetric metal sections is solved, serious bending and uneven wall thickness of a product are avoided, the dimensional accuracy and the performance stability of the product are improved, the die is convenient to replace, a round bar extruded by the balance hole can be used for other purposes, and the production cost is reduced. The utility model is suitable for the production of single-axis symmetric metal profiles.

The utility model relates to a die assembly forming device for an asymmetric flat-position special-shaped positioning shaft. The die assembly forming device for the asymmetric flat-position special-shaped positioning shaft comprises a main die, a punching die and a driving assembly. The main mold is provided with a first mold cavity, and a mold core assembly and an opening and closing driving assembly are arranged in the first mold cavity; the mold core assembly comprises an opening and closing mold core and a first mold core which are sequentially arranged from top to bottom, the opening and closing mold core comprises a plurality of opening and closing mold pieces, the opening and closing mold pieces define a first mold cavity, the first mold core is provided with a second mold cavity, the first mold cavity and the second mold cavity are used for containing wires, and the mold core assembly is movably connected into the first mold cavity. The mold has a forming position and a demolding position; the opening and closing driving assembly is in driving connection with the mold core assembly so as to drive the mold core assembly to be switched from the forming position to the demolding position. And when the opening and closing mold core is switched from the forming position to the demolding position, the opening and closing mold core is separated to form a demolding space. Cost is reduced, and production efficiency and part precision are improved.