54results about How to "Guaranteed molding accuracy" patented technology

The utility model belongs to the technical field of automobile manufacturing, and particularly discloses a core-pulling automobile part mold. One side of the mold body is provided with a fixing plate and a fixed mold base, two core tubes are arranged at the bottom of the fixing plate, an adjusting assembly is arranged between the fixing plate and the two core tubes, the adjusting assembly comprises a distance adjusting unit and an angle adjusting unit, the distance adjusting unit comprises a first electric push rod, and the angle adjusting unit comprises a second electric push rod. The first electric push rod is used for driving the two core pipes to adjust the distance, the angle adjusting unit comprises a second electric push rod, the second electric push rod is used for adjusting the angle of the core pipes, the distance adjusting unit can flexibly adapt to the distance between side holes of the automobile accessory, core pulling failure is avoided, and the angle adjusting unit can adjust the core pulling angle in real time. And the forming precision of accessories with complex structures is guaranteed, so that the die replacement frequency and cost are reduced, the production efficiency is improved, accessories with different specifications can be quickly switched and produced, and diversified production requirements are met.

The utility model discloses a bottom die locking structure of a bottle blowing die, which relates to the technical field of bottle blowing dies and comprises a bottom die, an inner bayonet seat, a bottom die water conveying disc, a connecting seat and a bottom die seat which are detachably connected in sequence, and a locking shaft and a machine clamping seat fixed on a bottle blowing machine are additionally arranged on the basis of the bottom die, the inner bayonet seat, the bottom die water conveying disc, the connecting seat and the bottom die seat. The locking shaft penetrates through the bottom die base and is provided with a horizontal through groove, and the machine clamping base is provided with a horizontal clamping pin. The bottom die is pushed laterally, so that the horizontal through groove of the locking shaft is in transverse clamping fit with the clamping pin, and rapid locking of the die is achieved. And clamping can be relieved by reverse side pushing, and disassembly is completed. A traditional multi-bolt fixing mode is abandoned, the disassembly and assembly time is remarkably shortened, meanwhile, the mold locking stability is ensured through rigid matching of transverse clamping, and the mold locking mechanism is suitable for high-frequency production scenes.

The application provides a composite material preform forming device, which comprises a rack, a lower workbench, an upper workbench and a mold assembly, the rack is provided with a containing space, the lower workbench is arranged in the containing space and is fixedly connected with the rack, the lower workbench comprises a fixed seat and a supporting plate, the supporting plate is movably arranged in the fixed seat along a first direction, and a through hole is formed in the supporting plate, the upper workbench is movably arranged in the containing space along the first direction, the upper workbench comprises a moving seat and an upper pressing plate movably arranged in the moving seat along the first direction, the mold assembly is detachably arranged in the fixed seat and corresponds to the position of the through hole, and the upper pressing plate and the mold assembly are respectively pressed against the upper and lower surfaces of a composite material plate. The application is used for improving the compatibility of the forming device.

A kind of continuous die, to form guard board support, the continuous die includes upper die and lower die, the continuous die includes transverse sequential distribution blanking station, forming station, flanging station and separation station, the upper die and lower die are provided with two groups of blanking mould core, two groups of forming mould core, two groups of flanging mould core and two groups of shearing mould core about a transverse extension symmetry axis symmetry in corresponding station.The utility model continuous die, with multiple stations, make the force that mould is suffered when clamping more dispersed, and bend structure is symmetrically arranged, force is symmetrical, prolongs the service life of mould.

The present disclosure relates to the technical field of cold header, and one embodiment of the present disclosure provides a torsion shear bolt cold header, which comprises a calibration device, and the calibration device comprises two side plates one. In the present disclosure, the design of the cooperation of the extrusion roller one and the extrusion roller two with the inclined surface of the positioning ring effectively corrects the bending deformation of the steel bar, and significantly improves the feeding smoothness; the circulating cooling and lubricating system composed of the water tank and the water jet head not only reduces the friction resistance between the steel bar and the mold, but also prolongs the service life of the equipment; through the cooperative control of the electric clamp and the cold header, the precise feeding and forming of the steel bar are realized, and the forming precision of the torsion shear ring groove is ensured. These improvements enable the equipment to stably process the bent steel bar, greatly improve the production efficiency and product quality; through the above technical scheme, the technical problem of easy deformation of the steel bar in the related art is solved.

The utility model discloses a rotary guide core-pulling structure capable of shortening an injection molding period, and relates to the technical field of injection molds. Comprising a bottom die main body, the bottom die main body is provided with a guide core-pulling mechanism used for an injection mold, the guide core-pulling mechanism comprises a rotating assembly and a fixing block arranged on the side wall of the bottom die main body, and a locking block is connected with a locking groove in a clamping mode, so that a connecting block can be effectively fixed; the connecting block is prevented from moving due to pressure fluctuation of the hydraulic rod or other factors, so that stable meshing of the gear rod and the annular gear is guaranteed, high pressure in the injection molding process is effectively resisted through rigid locking, displacement of the mold core is prevented, and the forming precision of precise structures such as threads is guaranteed; the energy is saved, the action time is shortened, locking and unlocking operation can be achieved by rotating the screw, and the device is simple, convenient and easy to control.

The utility model relates to the technical field of electric poles, in particular to a non-metallic mineral electric pole and an electric pole machining die. The electric pole is a hollow cylinder, a plurality of spiral reinforcing ribs are evenly arranged in the electric pole, a mounting flange is arranged at the bottom of the electric pole, a groove is formed in the electric pole, a front clamping block and a rear clamping block are arranged in the groove in an inserted mode, a connecting frame is arranged on the side walls of the clamping blocks, and a plurality of insulation connecting columns are evenly arranged at the top of the connecting frame. The beneficial effects of the utility model are that the design of the groove and the inserted clamping block on the electric pole is matched with the clamping block side wall connecting frame and the insulation connecting column, reliable connecting points are provided for the connection of the electric power equipment and the electric pole, the arrangement of the insulation connecting column enhances the insulation performance of the connection, the safety of power transmission is ensured, and the electric pole is convenient to use. Moreover, the connection structure facilitates the installation, disassembly and maintenance of the power equipment.

The utility model relates to the technical field of injection molds, and discloses a precision injection mold with a spiral cooling channel, which comprises a processing box, four corners of the right side of the processing box are fixedly connected with support columns, the other ends of the support columns are fixedly connected with a groove plate, and the outer wall of the middle of the left side of the groove plate is fixedly connected with a first motor. And the output end of the first motor is fixedly connected with a rotating plate. According to the utility model, the first motor drives the rotating plate, the inclined rod, the movable disc and other parts to move cooperatively, so that the mold closing and opening actions of the mold are realized, and the sliding column of the upper mold plate can stably move relative to the lower mold plate under the action of the damping spring, so that impact and shaking are avoided; and meanwhile, when the mold vibrates, a sliding rod, a damper, a second sliding block, a connecting block, an inclined plate, a reset spring and the like in the cushioning assembly are matched with one another to absorb vibration energy, the component is restored to the initial position within the limiting range of a limiting block, the structural stability of the mold is maintained, and then the movement precision of the mold is improved.

The invention discloses a thread rolling plate assembly for thread rolling forming of round tail screws, a control method, equipment and a medium, the thread rolling plate assembly comprises a static thread rolling plate and a dynamic thread rolling plate which are matched with each other, and the opposite sides of the static thread rolling plate and the dynamic thread rolling plate are sequentially provided with a thread rolling face, a receding groove and a closing part in the direction perpendicular to the thread rolling direction; a thread rolling area is formed between the thread rolling surfaces of the static thread rolling plate and the dynamic thread rolling plate and is used for performing thread rolling treatment on a screw rod part of a screw blank; the receding grooves of the static thread rolling plate and the dynamic thread rolling plate are located in the tail position of a screw blank, the receding grooves of the static thread rolling plate and the dynamic thread rolling plate are closed to form a forming area, and the forming area is hemispherical and used for containing extrusion materials generated during thread rolling of the screw blank and forming a round tail. And the closed part of the static thread rolling plate and the dynamic thread rolling plate is used for sealing the forming area. Threads and round tails are formed synchronously in one thread rolling procedure, the production efficiency of round tail screws can be improved, and the overall machining cost can be reduced.

This utility model discloses a valve manufacturing mold, including a first mold, a second mold, and a third mold. The first mold includes two first half-molds and a first mold core, which together form a first mold cavity. The two first half-molds have first injection tubes. The second mold includes two second half-molds and a second mold core, which together form a second mold cavity. The two second half-molds have second injection tubes. The third mold includes two third half-molds and a third mold core, which together form a third mold cavity. The two third half-molds have third injection tubes. This utility model has a reasonable structural layout, and its overall structure can accurately replicate the complex internal morphology of valves, such as irregular flow channels. It can meet the performance requirements of valves as core components of fluid control systems without subsequent processing, achieving simultaneous improvement in production efficiency, material utilization, and finished product quality.

The utility model discloses a mobile phone protective shell injection mold, and particularly relates to the technical field of injection molds, the mobile phone protective shell injection mold comprises a bottom mold plate, a first module is mounted on the bottom mold plate, a second module is vertically arranged at one end of the first module, and a third module is vertically arranged at one end of the second module; a fourth module is vertically arranged at one end of the third module, an upper module is arranged above the bottom mold plate, and an injection molding opening is formed in the middle of the top end of the upper module; the third module comprises a first electric push rod, a first template and the like; the first module and the third module have the same structure; the fourth module comprises a second electric push rod, a second template and the like; the second module and the fourth module have the same structure; and the upper module is provided with a slot matched with the insertion block on the module. The machining precision of the mobile phone protection shell is improved through sealing fit between the modules, automatic demolding is achieved through the electric push rod, the multiple function requirements of the mobile phone protection shell can be met, and the production efficiency and the product quality are effectively improved.

The present application relates to a kind of vertical channel field effect transistor and its preparation method, belong to semiconductor device technical field.It includes: silicon oxide substrate, its one side is provided with high platform;Wherein, high platform each side is provided with multilayer film structure;First guide groove on the first side of multilayer film structure and first guide groove on the second side of adjacent multilayer film structure are communicated;First guide groove is perpendicular to silicon oxide substrate;Multiple first dielectric layer, is set to the surface of silicon oxide substrate;Wherein, first dielectric layer both sides are provided with second guide groove;Second guide groove is communicated with the nearest first guide groove;First guide groove and second guide groove are provided with nanowire;Source electrode, is set to the side of high platform away from silicon oxide substrate;Multiple gate electrode, each gate electrode is set to the third side of each multilayer film structure, and is connected with dielectric layer.The present application realizes single nanowire high-density multi-independent channel, improves structure utilization.

The application discloses a kind of Q420qD material wave-shaped steel web manufacturing method, it is related to wave-shaped steel web processing technical field, comprising the following steps: S1: making block scheme, the wave-shaped steel web to be manufactured is divided according to length direction, and butt joint is arranged at wave peak flat position;S2: according to block scheme, differentiating mould pressing forming processing is carried out to steel plate, to form multiple single wave-shaped sub-web units and multiple wave-shaped web units;S3: using jig to carry out butt welding to single wave-shaped sub-web unit, control the butt joint accuracy and welding deformation of wave-shaped steel web.The application solves the technical problems of difficult wave-shaped steel web processing and difficult control of precision.

This invention discloses a ball valve body anti-shrinkage casting module, relating to the field of ball valve body processing. It includes a casting main block, with a first guide post welded internally. The inner wall of the first guide post is lined with paraffin wax. This invention sets up a module by welding the first guide post to the inner wall of the casting main block and correspondingly welding a second guide post to the inner wall of the casting sub-block. One end of the first guide post is designed as a tapered structure. This tapered end can guide and retract the valve core during the initial stage of mold closing between the casting main block and the casting sub-block. Due to the gradual transition characteristics of the tapered surface, the cooperating first and second guide posts simultaneously provide continuous limiting guidance to the valve core within the mold cavity during the closing process of the two modules, preventing the valve core from shifting or misaligning during mold closing, thereby achieving rapid guidance and positioning of the valve core.

This invention provides a titanium plate grinding machine, comprising a gantry frame, a grinding assembly, and a drive assembly. The drive assembly is mounted on the gantry frame. The grinding assembly includes a grinding head beam mounted on the drive assembly and a grinding head assembly mounted on the grinding head beam. The grinding head assembly is a four-grinding-head structure, including a first grinding head, a second grinding head, a third grinding head, and a fourth grinding head. The drive assembly includes a traveling motion device, a lateral movement device, and a lifting device for driving the grinding head assembly to move in three-dimensional space. This invention employs a four-grinding-head structure, coupled with an inverted T-shaped grinding head beam, significantly improving grinding efficiency and equipment stability, and avoiding tool marks. All motion axes are upgraded to servo control, improving grinding accuracy and uniformity. The grinding wheels are locked with flange bolts, simplifying disassembly and assembly and ensuring grinding quality. A new spray cooling system and a removable sludge tank are added to achieve centralized waste removal and water resource recycling.

The application discloses a kind of convex structure 3D printing method of inner cone parts, belong to 3D printing manufacturing technical field, it includes box, the base is placed in the bottom of the box, the outer side of the base is fixedly installed with portal frame, the first motor is installed in the base side, the fan that is used with the air suction pipe is installed in the working tank, the filter plate is installed in the first fixed block buckle;Through the extension head structure design to the inner wall of inner cone part main body, extension head itself has the effect of strengthening the overall structure support strength of part, the use amount of extension head and part inner wall part support can be greatly reduced when D printing, not only reduce the support material cost, but also can reduce subsequent support piece removal process, avoid to cause damage to extension head, part inner wall when removing support, further improve part forming quality and production efficiency, especially adapt to the precise printing demand of complex convex structure such as inner cone part inner wall extension head with structural strengthening function.

The utility model provides a self-adaptive height-adjustable self-propelled hydraulic building template, which belongs to the technical field of building templates, and comprises a mounting assembly and a template assembly, the mounting assembly comprises a base, a bracket, a cross beam and a connecting piece; the template assembly comprises a side template, an extension plate, a middle mold and a baffle. According to the building formwork, the base is additionally arranged and used for being fixed to the ground installation foundation, the stability of the overall structure of the building formwork is maintained, meanwhile, the base is used for supporting building materials needing to be formed, the base is matched with the side formworks, the middle formwork and the baffles at the ends of the side formworks to form a relatively-closed formwork component, and material forming is facilitated; the support is used for cooperatively installing the side formwork, dispersing the pressure of the side wall of the side formwork, maintaining the inclination angle of the side formwork, maintaining the forming precision of components of a building, adjusting the height of the extension plate along the side formwork, adapting to forming use of materials of different sizes, expanding the application range of the side formwork and finely adjusting the forming size of the materials. The adjustment is convenient.

The application discloses a fabricated formwork for special-shaped fair-faced concrete construction and a construction method thereof, which comprises a supporting assembly and a special-shaped component bottom die; a plurality of fixing frames are fixedly arranged at the bottom of the supporting formwork, and a limiting recess with an opening facing downward is arranged in the fixing frame. The supporting assembly comprises a supporting frame, a supporting plate, an adjusting support unit and a limiting rod; the supporting frame is fixed on the ground; a plurality of supporting plates are fixedly installed on the supporting frame, and a plurality of groups of rotating shafts are arranged on each supporting plate at intervals; the axes of all the rotating shafts are arranged in parallel and are parallel to the center line of the limiting recess; one end of the adjusting support unit is rotationally connected to the supporting plate through a group of rotating shafts; the limiting rod is fixedly connected to the other side of the adjusting support unit, and the limiting rod and the rotating shaft are arranged in parallel; the spacing between the limiting rod and the rotating shaft is adjusted by the adjusting support unit, so that the limiting rod abuts against the limiting recess. While the construction quality of the special-shaped component is ensured, the construction demand for special-shaped components with various specifications is met.

The application relates to a support device for preventing deformation of a plate on a bending jig, which belongs to the technical field of ship manufacturing. The support device is characterized in that a bending workshop jig outer cylinder is used as a base, 10-30 groups of jacking devices are manufactured in cooperation with an inner cylinder, before each plate splicing, the jacking devices are arranged in a fixed disc according to the position of a jig table, after the outer plate is positioned, the jacking U-shaped plates are fixed on the outer side of the outer plate in cooperation with jig pins according to the height of the jig table and the stress of the outer plate. After the jacking devices are put into use, the plate splicing operation efficiency can be effectively improved, and the traces left by polishing and welding are not affected, and the traditional back code does not hinder the trolley welding outer plate joint.

The utility model discloses an on-chip integrated collimation optical device, comprising a wafer, the surface of which is provided with a plurality of light-emitting areas arranged periodically; the adhesive layer covers the surface of the wafer, optical structures in one-to-one correspondence with the light-emitting areas are distributed on the outer side of the adhesive layer, the optical structures are used for collimating or collecting light beams emitted by the light-emitting areas, and the thickness T of the adhesive layer between the optical structures and the light-emitting areas is 10-500 microns; according to the on-chip integrated collimation optical device, through the innovative on-chip integrated design, the technical bottlenecks that a traditional collimation device is large in size, complex in alignment, high in cost and the like are solved, and remarkable breakthrough is achieved in the aspects of optical performance, production efficiency, application scenes and the like.

This invention relates to the field of rivet processing technology, and specifically discloses a stamping die for rivet processing, including a support base. A support plate is fixedly connected to the top of the support base via a bracket. A first motor is fixedly connected to the top of the support plate via a motor bracket. The drive shaft of the first motor passes through the support plate and is fixedly connected to the fixed end of a stamping cylinder via a bracket. An upper die is fixedly connected to the movable end of the stamping cylinder. A cooling and cleaning device is sleeved on the movable end of the stamping cylinder and fixedly connected to it. The cooling and cleaning device is connected to the oil outlet of a first oil pump via a hose. The oil inlet of the first oil pump is connected to a first oil tank via a pipe. The bottom of the first oil tank is fixedly connected to the top of the support plate. This stamping die for rivet processing solves the current problem of insufficient cooling of the upper and lower die tables and the inability to clean debris during rivet stamping.

The utility model relates to the technical field of black fungus bag production, and discloses a fungus bag opening sealing machine which comprises a connecting frame and a bearing frame, the top of the bearing frame is fixedly connected with a fungus bag clamping groove, an opening sealing speed regulating motor is fixedly connected in the connecting frame, the driving end of the opening sealing speed regulating motor is fixedly connected with a first opening sealing shaft rod, and the driving end of the first opening sealing shaft rod is fixedly connected with a second opening sealing shaft rod. The top of the first nest opening shaft rod is fixedly connected with a nest opening shaft rod stroke fixing plate, the inner portion of the nest opening shaft rod stroke fixing plate is fixedly connected with an inserting rod shaft rod, the top of the bearing frame is fixedly connected with an inverted floating material stroke module, and the outer portion of the inverted floating material stroke module is fixedly connected with an inverted floating material stroke sliding table. According to the utility model, flexible clamping and quantitative rotating tightening are realized by the six-claw opening folding claws, the opening folding forming precision of fungus bags is ensured, opening folding-rod insertion-flattening is realized, and the effects of full-flow intelligent upgrading, higher speed, higher accuracy and lower failure rate of fungus bag bagging operation are realized by three-station parallel line production.

This invention discloses an aluminum-plastic back panel forming device and method, comprising a clamping mold, a trimming mold, a convex bulge forming mold, and a convex dot punching mechanism. The convex bulge forming mold is located inside the clamping mold, and several convex dot punching mechanisms are distributed in the convex bulge forming mold area. The convex bulge forming mold includes an upper convex bulge forming mold, which is connected to the bottom side of a transition plate via an elastic reset member. The elastic reset member pulls the upper convex bulge forming mold against the bottom side of the transition plate. The convex dot punching mechanism includes a convex dot punch rod, the upper end of which is fixedly connected to a main drive plate. The convex dot punch rod is connected to the upper convex bulge forming mold via a transmission structure, and is used to drive the upper convex bulge forming mold to complete the convex bulge forming after the convex dots are formed. This invention can ensure the stamping performance of the aluminum-plastic back panel structure formed in one stamping process and guarantee the forming quality of the aluminum-plastic back panel.

The die-casting die comprises an upper die base and a lower die base, an upper die core and a lower die core are installed between the upper die base and the lower die base, a die cavity is formed between the upper die core and the lower die core, a sliding base capable of sliding in an inclined mode is installed in the lower portion of the lower die base, and the lower portion of the lower die base is provided with a sliding block. A lower inclined pulling block penetrating through the lower die core to be obliquely inserted into the die cavity is installed at the upper end of the sliding seat, an auxiliary insert in butt joint with the lower inclined pulling block is arranged at the lower end of the upper die core, a lower base is installed at the bottom of the lower die seat, a lower die plate is installed at the lower end of the lower base, and a lower core pulling oil cylinder connected with the sliding seat is installed on the lower die plate. The two sides of the upper end of the lower base are each provided with a transversely-sliding retaining block in an embedded mode, one ends of the two retaining blocks support the two sides of the bottom of the sliding base respectively, and the two sides of the lower base are provided with retaining oil cylinders connected with the retaining blocks in a one-to-one correspondence mode. By arranging the double-side retaining mechanism, the retaining stability is improved, and the product forming precision is improved.

This utility model discloses a precast power wall end mold with a walking mechanism, relating to the field of precast power wall technology. It includes a mold body, a first mold support welded to the bottom of the mold body, an inclined support welded to the side of the mold body opposite to the casting side, a first roller and a second roller mounted on the first mold support, an independent roller mounted on the inclined support, and a braking device for braking the first roller. The lowest points of the wheel surfaces of the first roller and the independent roller are at the same height, used for rolling support on the top plane of the upper horizontal section of an I-beam track. The second roller is a conical wheel located below the first roller, used for rolling against the bottom inclined surface of the upper horizontal section of the I-beam track. When used as the end mold of a precast power wall casting equipment, this utility model's precast power wall end mold achieves more stable movement and excellent controllability.

The utility model relates to injection moulding processing mould technical field especially relates to a kind of injection molding part quick -wired mould. Including: top plate, top block being arranged in the top plate below, intermediate block being arranged in the top block below, several bottom blocks being arranged in the intermediate block below and bottom plate being arranged in the bottom block below, the inside detachable connection of the top block has mould core;The middle part of the top plate is provided with main flow pipeline, and the main flow pipeline is communicated with the mould core. The utility model provides a kind of injection molding part quick -wired mould with the advantages of high work efficiency, good product quality, long service life, low cost, simple structure and easy to disassemble and assemble.

This utility model relates to the technical field of injection molds, and in particular to an injection molding structure combining a sliding block and a slanted ejector. It includes a front mold assembly, a rear mold assembly, a sliding block mechanism, and a slanted ejector mechanism. The front mold assembly has a front mold core, the rear mold assembly has a rear mold core, and the sliding block mechanism has a sliding block insert. The front mold core, rear mold core, and sliding block insert cooperate to form an injection cavity. The sliding block insert is located on the side of the injection cavity and is used to injection mold the side wall of the plastic part. The slanted ejector mechanism has a slanted ejector rod, and the sliding block insert has a guide slanted hole. The slanted ejector rod passes through the guide slanted hole, thereby cooperating with the sliding block insert to injection mold the undercut on the side of the plastic part. In summary, this design effectively handles the undercut on the side of the plastic part, while simplifying the mold structure, reducing manufacturing costs, and improving demolding reliability.

This application discloses an adaptive structure for the roof of an immersed tunnel trolley and its control method, including a pad, a ray generating module, a ray receiving module, and a control module. The pad is placed under the lifting drive at the bottom of the trolley to increase the stress area of ​​the soil layer. The ray generating module emits rays horizontally, and the ray receiving module receives the rays. The control module controls the operation of the lifting drive based on the ray reception. It also includes corresponding adaptive method steps. This application achieves the technical effect of real-time monitoring of the trolley roof position changes, automatic adjustment of the trolley height, ensuring the stability of the inner top formwork height during the immersed tunnel pouring construction process, and avoiding the impact of formwork subsidence on construction quality.

This utility model provides a vulcanizing mold for processing semiconductor sealing rings, relating to the field of sealing ring production technology. It includes an upper mold and a lower mold, with their rear sides and adjacent ends connected by a hinge. Each of the upper and lower molds has a placement groove on its adjacent side, and a mold core is respectively engaged and installed inside the placement groove. This utility model eliminates the need for a completely replaced mold, unlike traditional fluororubber sealing ring vulcanizing molds which require replacing the entire mold to meet different semiconductor sealing ring production needs. When changing molds, a suitable mold core can be quickly removed and replaced using the cooperation of a sliding groove and slider, and then fixed by a limiting mechanism. This significantly reduces downtime for mold changes and avoids the high equipment investment costs associated with replacing the entire mold, effectively improving the production efficiency and economy of semiconductor sealing rings.

The utility model provides a kind of high-precision positioning mechanism of aluminium alloy die-casting die with insert, belong to mould technical field.It includes lower mould plate, the lower mould plate is provided with two installation annular iron insert's forming cavity, the lower mould plate is provided with high-precision positioning assembly corresponding with annular iron insert, the lower mould plate is also equipped with wind-water cooling combined type cooling runner structure.High-precision positioning assembly can be accurately positioned annular iron insert by being set, improve insert installation precision, avoid die-casting size out-of-tolerance and combination bad;With wind-water cooling combined type cooling runner structure, the speed of expansion and contraction of aluminium iron can be comprehensively prevented insert skin aluminium shell fracture, guarantee product performance and reliability.