CN207642246U - A kind of valve actuator shell combination mold - Google Patents

Abstract

The utility model discloses a kind of valve actuator shell combination molds, the valve actuator housing mould includes external mold and internal model, the external mold is that five die sinkings design, and respectively left mould, right mould, lower die and rear mold, the internal model include core box upper mold and core box mould；The lower die is placed in casting motor spindle, and the left mould, right mould, lower die, rear mold and core box upper mold are connected with the pentahedron hydraulic mechanism on casting bed respectively, and the valve actuator housing mould uses swage, and cavity is by CNC processing, surface polishing treatment；The core box upper mold, core box mould are heating and curing by precoated sand as internal model sand core；It by internal model sand core and outer die combination, is cast using aluminium alloy melt, obtains valve actuator shell casting；The utility model valve actuator shell casting uses pentahedron casting machine, and production is efficient, at low cost, energy conservation and environmental protection, and stable and reliable product quality fully meets client's needs, obtains the appreciation of client, has high-end product ability to provide the auxiliary items.

Description

A kind of valve actuator shell combination mold

Technical field

The utility model is related to valve gate technology apparatus field, more particularly to a kind of valve actuator shell combination mold.

Background technology

Valve is in fluid system, is to make piping and equipment for controlling the direction of fluid, the device of pressure, flow Interior medium (liquid, gas, powder) flowing or stopping and the device that its flow can be controlled.

Valve electric actuator is referred to using electric energy as main energy sources, for driving the machinery of valve.Due to being essence Close electric elements, generally requiring has it certain explosion-proof, degree of protection (waterproof and dustproof) requirement.Electric Actuator is to returning The driving device of all kinds of electrically operated valves in the control system that makes the transition, is used for the opening and closing of control valve, is suitable for butterfly valve, ball valve With the valve of air door isogonism stroke, it can accurately press control instruction and act, be that remote control, collection control are realized to valve and automatically controlled Essential driving device.

Our company is that prominent domestic Qi Zhong companies have developed a kind of valve actuator shell combination mold.The prior art In, valve actuator shell is hexahedron and carries complicated inner cavity structure, and the defect that casting is difficult to cast is：1. passing System casting method, such as wooden model, sand cast high-pressure process, and the product cast out is extremely difficult to morpheme and the desired effect of precision Fruit；2. inner cavity is hollow, need by injecting sand core；3. product has certain resistance to pressure request.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of valve actuator shell combination mold, for Deficiency in the prior art, according to the structure feature of valve actuator shell, preferred embodiment is：It is more using swage or punching block Mould aluminium alloy is cast, using five face core pullings, die sinking mode, using aluminium alloy melt, bottom filling annular channel and multichannel ingate Casting, riser counterweight gravity feeding, and by self-control pentahedron hydraulic pressure Gravity casting machines, five face bodies gradually mold acquisition valve and hold Row mechanism shell casting.

In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of valve actuator shell combination mold, Abbreviation valve actuator housing mould；Including left mould, right mould, lower die, rear mold, core box upper mold and core box mould, it is characterised in that：

The valve actuator housing mould includes external mold and internal model, and the external mold is that five die sinkings design, respectively left Mould, right mould, lower die and rear mold, the internal model include core box upper mold and core box mould；The lower die is set to pentahedron hydraulic pressure gravity Casting machine casting bed bottom, the left mould, right mould are mutually accompanied with preceding mode structure, the left mould, right mould, lower die, rear mold and core Box upper mold is connected with the pentahedron hydraulic mechanism on casting bed respectively, and left mould, right mould, lower die, rear mold and core are controlled by switch The die sinking and molding of box upper mold；The left mould, right mould, lower die, rear mold, core box upper mold and core box mould use irony or steel material Material manufacture, cavity is by CNC machine-shapings, the mold cavity surface polishing treatment, morpheme and dimensional accuracy height；On the core box Mould, core box mould are assemblied on core shooter, are injected into core box upper mold, in core box mould by precoated sand, electrical heating coagulation forming is interior Sand core；The assembly of internal model sand core is combined in the external mold of valve actuator housing mould, and a left side is driven by hydraulic mechanism Mould, right mould, lower die, rear mold and core box Ccope closing machine pass through bottom as valve actuator housing mould using aluminium alloy melt Note formula annular feeds runner and multichannel ingate, from bottom to top slowly rises liquid casting, and by riser counterweight natural gravity feeding, It molds, polish after natural cooling, polishing obtains valve actuator shell casting.

Aluminium alloy melt filter screen is provided in the pouring slot, for every Slag treatment；The valve actuator shell The time range that mold pours full cavity is 30-60 seconds, makes exhaust abundance, flow speed stability in mold；The valve actuator shell The cooling feeding time range of mould is 3 minutes -5 minutes.

The left mould includes taper positioning, mould bases locating slot, mould bases and left mould cavity, and the left mould cavity is set to described The middle part of mould bases, the mould bases are that there are four the cuboids of mould bases locating slot for band, and there are two tapers for the mould bases diagonal angle setting Positioning；The left mould cavity is related to the structure of the right shell of adjuster, motor interface and actuator interface, including annular convex platform A, fan Shape boss A, circular groove, irregular shape groove, rounded face, round platform, earthing block groove, arc groove face A, ground connection mark are recessed Slot, arc groove face B, triangular-arc groove A, arc-shaped step face A, arc-shaped step face B, groove, arcuate flanks, triangular-arc are recessed Slot B, arc-shaped step face C, arc-shaped step face D, sand mold positioning surface；The left mould cavity and adjuster right casing part morpheme, size With setting.

The right mould includes that taper positioning, mould bases locating slot, mould bases, pouring slot and right mould cavity, the right mould cavity are set It is placed in the middle part of the mould bases, the mould bases is with there are four the cuboid of mould bases locating slot, and the mould bases diagonal angle is provided with Two taper positioning；The right mould cavity be related to the right shell of adjuster, adjuster left housing, motor interface and actuator interface knot Structure, including round platform, earthing block groove, fan-shaped boss B, groove joint face, annular convex platform B, round platform, triangle groove, arc connection Face, arc groove face B, triangular-arc groove A, arc-shaped step face A, arc-shaped step face B, groove, arcuate flanks, triangular-arc are recessed Slot B, arc-shaped step face C, arc-shaped step face D；The right mould cavity matches setting with adjuster left casing part morpheme, size.

The lower die includes taper positioning, mould bases location hole, mould bases and lower die cavity, and the lower die cavity is set to described The middle part of mould bases, the mould bases are the rectangular panel body of the mould bases location hole with there are four, and four are provided at four angles of the mould bases A taper positioning；The lower die cavity is related to the structure of motor interface, including semicircle groove, circular groove, fan-shaped step surface, Cone-shaped groove, conical round table, arc boss, fan-shaped plan；The lower die cavity is matched with motor interface morpheme, size to be set It sets.

The rear mold includes mould bases location hole, mould bases and rear model cavity, and the rear model cavity is set in the mould bases Portion, the mould bases are band there are four the rectangular panel body of mould bases location hole, and that there are four tapers is fixed for setting at four angles of the mould bases Position；Model cavity is related to the structure of electric interfaces after described, including arc joint angle, cylindroid, annular step surface, sector are tiltedly Face, bar shaped face；Model cavity matches setting with electric interfaces morpheme, size after described.

The core box upper mold includes the positioning of core box mould, model cavity on core box mould bases and core box, and model cavity is set on the core box It is placed in the inside of the core box mould bases, the core box mould bases is the round positioned with core box mould；Model cavity on the core box It is related to the structure of actuator interface, including core box column slot, semicircular arc boss, gradient annular groove A, core box anchor ring, gradient Annular groove B, convex annular table top, circular columns, side boss, core box side；Model cavity and actuator interface morpheme on the core box, Size matching setting.

The core box mould includes that the positioning of core box mould, core box mould bases and core box model cavity, the core box model cavity are set to institute The inside of core box mould bases is stated, the core box mould bases is that there are two the cuboids of core box mould positioning for band；The core box model cavity includes Loose piece, right-angle surface, core box arc boss, arc joint angle；The core box model cavity and core box mould loam core morpheme, size With setting.

The technical characterstic of the utility model is：

One, the characteristics of mold：Mold cavity and mould bases be integrally formed, slitless connection, by CNC working processes, most rear mold Have cavity inner surface and pass through polishing treatment, be easy molding, makes that mold is brighter, precision higher.Service life ensures in 100,000 moulds More than, our company promises to undertake mold lifelong tenure.

Two, the advantages of technique

1. dispensing：Dispensing is carried out according to the dispensing data of company's operation card, weighs and weighs before addition；

2. melting：Our company uses Italy's meaning high burner using double temperature controlled automatic thermal natural gas smelting furnaces, therefore fires Burner is mixed gas burning, therefore point temperature of burning is high, is discharged without exhaust gas in combustion process, energy conservation and environmental protection.Graphite crucible is pre- Heat is baked to 200 DEG C or so, so that crucible is completely dried, no moisture.Proportioned raw material (aluminium ingot) are added at this time, cover pot Lid 70% (energy saving), after about one hour, solid raw material (aluminium ingot) has been fused into liquid in crucible, is added specific Trace element；

3. casting：Different product cast temperatures is also different, and concrete condition is pressed depending on operation card.Molten aluminum is removed Gas, removal of impurities, refining etc., finally stir evenly.It casts when temperature of aluminum liquid reaches reasonable cast temperature, coupon of casting first And the detection of physical property, chemical composition is carried out, it is produced in batches again after up to standard, product is made to reach any surface finish, free from admixture, without gas The excellent product in hole etc.；

Casting mode use from cast gate enter, centre by filter screen every Slag treatment, it is (i.e. more by bottom filling annular channel Road ingate), liquid is slowly risen from the bottom up, is made its exhaust abundance, flow speed stability, cavity can be filled within about 30 seconds, through 10- After 15 seconds, high temperature molten aluminum is injected emitting mouth region, so that it is generated constant weight, under the action of centrifugal force, product is cooled Appropriate feeding in journey keeps its density higher, product more stable；It is about 3-5 minutes cooling, behind product type intracavitary portion completely solidification, Trihedral is gradually molded, makes product and mold separation, finally takes by sequencing with homemade hydraulic pressure Gravity casting machines Go out product, is put into specified region and carries out natural cooling；

4. die sinking：It is about 3-5 minutes cooling, behind product type intracavitary portion completely solidification, with homemade hydraulic pressure gravitational casting Trihedral is gradually molded by sequencing, is made product and mold separation, finally take out product by machine, be put into specified region into Row natural cooling；

5. cooling, polishing：After product is cast, wait for that product is completely cooling, by cutter by product cast gate, riser etc. no The mouth of a river amount needed, is cut off with band-saw machine, while by polishing work progress cleaning appropriate, deburring；

6. ball blast is surface-treated：Product is placed in shot-blasting machine, by the stainless steel ball of diameter 0.4mm, if carrying out The shotblasting processing of dry minute, makes product surface reach fine work state；

7. examining, delivery：After our company technical staff examines, packs product and strike qualified chapter, by product and produced Chemistry report, physical property report, hardness report in journey etc. are delivered to customer together, and product qualification rate is made to be up to 99%.

Three, the characteristics of product：Due to more demanding to mold, therefore the product size precision produced is high, efficient, quality It is stable, energy saving, deflection is small, good appearance, high yield rate.Compared with conventional casting techniques, the life of the utility model casting technique The product quality of output improves 5 grades, and efficiency improves 500%, and the energy declines 40%.

Such mode of production is by our company independent research, by the utility model cast article, production efficiency is high, it is at low cost, Energy conservation and environmental protection, stable and reliable product quality fully meet client's needs, obtain the appreciation of client.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is a kind of valve actuator shell dimensional structure diagram disclosed in the utility model embodiment；

Fig. 2 is a kind of valve actuator shell combination mold left mould solid signal disclosed in the utility model embodiment Figure；

Fig. 3 is a kind of valve actuator shell combination mold right mould solid signal disclosed in the utility model embodiment Figure；

Fig. 4 is a kind of valve actuator shell combination lower mould solid signal disclosed in the utility model embodiment Figure；

Fig. 5 is a kind of valve actuator shell combination mold rear mold solid signal disclosed in the utility model embodiment Figure；

Fig. 6 is that a kind of valve actuator shell combination mould core box upper mold disclosed in the utility model embodiment is three-dimensional Schematic diagram；

Fig. 7 is that a kind of valve actuator shell combination mould core box mould solid disclosed in the utility model embodiment is shown It is intended to.

Number and the corresponding component title represented by letter in figure：

A. the right shell B. adjusters left housing C. motor interfaces of adjuster

D. electric interfaces E. actuators interface

001. taper positions 002. mould bases locating slot, 003. mould bases, 004. pouring slot

005. core box mould positions 006. core box mould bases

101. 102. 103. circular grooves of sector boss A of annular convex platform A, 104. irregular shape groove

105. 106. rounded faces of scalloped recess A, 107. round platform, 108. earthing block groove

109. arc groove face A 110. is grounded 111. trapezoidal groove of indicia grooves

201. 202. groove joint faces of sector boss B, 203. annular convex platform B

204. round platform, 205. triangle groove, 206. arc joint face

301. arc groove face B, 302. triangular-arc groove A, 303. arc-shaped step face A

304. arc-shaped step face 305. grooves of B, 306. semicircle groove

307. circular groove 308., 309. cone-shaped groove of fan-shaped step surface

310. conical round table, 311. arc boss, 312. fan-shaped plan

401. arc joint angle, 402. cylindroid, 403. annular step surface

404. scalloped bevel, 405. bar shaped face

501. arcuate flanks, 502. triangular-arc groove B, 503. arc-shaped step face C

504. arc-shaped step face D, 505. sand mold positioning surfaces

601. loose piece, 602. right-angle surface, 603. core box arc boss, 604. arc joint angle

701. 702. semicircular arc boss of core box column slot, 703. gradient annular groove A

704. core box anchor ring, 705. gradient annular groove B, 706. convex annular table tops

707. circular columns, 708. side boss, 709. core box side

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.

According to Fig. 1 to Fig. 7, the utility model provides a kind of valve actuator shell combination mold, including left mould, the right side Mould, lower die, rear mold, core box upper mold and core box mould.

The valve actuator housing mould includes external mold and internal model, and the external mold is that five die sinkings design, respectively left Mould, right mould, lower die and rear mold, the internal model include core box upper mold and core box mould；The lower die is set to pentahedron hydraulic pressure gravity Casting machine casting bed bottom, the left mould, right mould are mutually accompanied with preceding mode structure, the left mould, right mould, lower die, rear mold and core Box upper mold is connected with the pentahedron hydraulic mechanism on casting bed respectively, and left mould, right mould, lower die, rear mold and core are controlled by switch The die sinking and molding of box upper mold；The left mould, right mould, lower die, rear mold, core box upper mold and core box mould use irony or steel material Material manufacture, cavity is by CNC machine-shapings, the mold cavity surface polishing treatment, morpheme and dimensional accuracy height；On the core box Mould, core box mould are assemblied on core shooter, are injected into core box upper mold, in core box mould by precoated sand, electrical heating coagulation forming is interior Sand core；The assembly of internal model sand core is combined in the external mold of valve actuator housing mould, and a left side is driven by hydraulic mechanism Mould, right mould, lower die, rear mold and core box Ccope closing machine pass through bottom as valve actuator housing mould using aluminium alloy melt Note formula annular feeds runner, from bottom to top slowly rises liquid casting, and by riser counterweight natural gravity feeding, is opened after natural cooling Mould, polishing, polishing obtain valve actuator shell casting.

Aluminium alloy melt filter screen is provided in the pouring slot 004, for every Slag treatment；The valve actuator shell The time range that mould pours full cavity is 30-60 seconds, makes exhaust abundance, flow speed stability in mold；The valve actuator The cooling feeding time range of housing mould is 3 minutes -5 minutes.

As shown in Fig. 2, the left mould includes taper positioning 001, mould bases locating slot 002, mould bases 003 and left mould cavity, institute The middle part that left mould cavity is set to the mould bases 003 is stated, the mould bases 003 is the cuboid of the mould bases locating slot 002 with there are four, There are two tapers to position 001 for the setting of 003 diagonal angle of the mould bases；The left mould cavity is related to the right shell A of adjuster, motor interface The structure of C and actuator interface %, including annular convex platform A101, fan-shaped boss A102, circular groove 103, irregular shape groove 104, rounded face 106, round platform 107, earthing block groove 108, arc groove face A109, ground connection indicia grooves 110, arc groove face B301, triangular-arc groove A302, arc-shaped step face A303, arc-shaped step face B304, groove 305, arcuate flanks 501, triangle Arc groove B502, arc-shaped step face C503, arc-shaped step face D504, sand mold positioning surface 505；The left mould cavity and adjuster Right casing part morpheme, size matching setting.

The right mould includes taper positioning 001, mould bases locating slot 002, mould bases 003, pouring slot 004 and right mould cavity, institute The middle part that right mould cavity is set to the mould bases 003 is stated, the mould bases 003 is the cuboid of the mould bases locating slot 002 with there are four, There are two tapers to position 001 for the setting of 003 diagonal angle of the mould bases；It is left that the right mould cavity is related to the right shell A of adjuster, adjuster The structure of shell B, motor interface C and actuator interface E, including round platform 107, earthing block groove 108, fan-shaped boss B201, groove Joint face 202, annular convex platform B203, round platform 204, triangle groove 205, arc joint face 206, arc groove face B301, triangle Arc groove A302, arc-shaped step face A303, arc-shaped step face B304, groove 305, arcuate flanks 501, triangular-arc groove B502, arc-shaped step face C503, arc-shaped step face D504；The right mould cavity is matched and is set with adjuster left casing part morpheme, size It sets.

The lower die includes taper positioning 001, mould bases location hole 002, mould bases 003 and lower die cavity, the lower die cavity It is set to the middle part of the mould bases 003, the mould bases 003 is that there are four the rectangular panel body of mould bases location hole 002, the mould bases for band There are four tapers to position 001 for setting at 003 four angles；The lower die cavity is related to the structure of motor interface C, including semicircle Groove 306, circular groove 307, fan-shaped step surface 308, cone-shaped groove 309, conical round table 310, arc boss 311, sector Plane 312；The lower die cavity matches setting with motor interface C-shaped bit, size.

The rear mold includes mould bases taper positioning 001, location hole 002, mould bases 003 and rear model cavity, the rear model cavity It is set to the middle part of the mould bases 003, the mould bases 003 is that there are four the rectangular panel body of mould bases location hole 002, the mould bases for band There are four tapers to position 001 for setting at 003 four angles；Model cavity is related to the structure of electric interfaces D, including arc after described Joint angle 401, cylindroid 402, annular step surface 403, scalloped bevel 404, bar shaped face 405；It is described after model cavity with electrically connect Mouth D morphemes, size matching setting.

The core box upper mold includes that core box mould positions model cavity on 005, core box mould bases 006 and core box, the core box upper mold Cavity is set to the inside of the core box mould bases 006, and the core box mould bases 006 is the round with core box mould positioning 005；Institute State the structure that model cavity on core box is related to actuator interface E, including core box column slot 701, semicircular arc boss 702, gradient ring Shape slot A703, core box anchor ring 704, gradient annular groove B705, convex annular table top 706, circular columns 707, side boss 708, core Box side 709；Model cavity matches setting with actuator interface E morphemes, size on the core box.

The core box mould includes that the positioning of core box mould, core box mould bases and core box model cavity, the core box model cavity are set to institute The inside of core box mould bases is stated, the core box mould bases is that there are two the cuboids of core box mould positioning for band；The core box model cavity includes Loose piece, right-angle surface, core box arc boss, arc joint angle；The core box model cavity and core box mould loam core morpheme, size With setting.

By above-mentioned specific embodiment, the utility model has the beneficial effects that the structure according to valve actuator shell is special Sign, preferred embodiment are：It is cast using swage or punching block multimode aluminium alloy, using five face core pullings, die sinking mode, uses aluminium alloy Melt, bottom filling annular channel and the casting of multichannel ingate, riser counterweight gravity feeding, and cast by self-control pentahedron hydraulic pressure gravity Machine is made, five face bodies, which gradually mold, obtains valve actuator shell casting；Valve actuator shell casting production is imitated Rate is high, at low cost, energy conservation and environmental protection, and stable and reliable product quality fully meets client's needs, obtains the appreciation of client, and our company is complete Has the production capacity to match with high-end product entirely.Thus order is continuous, adds lustre for foundry industry.

The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest range consistent with features of novelty.

Claims (6)

1. a kind of valve actuator shell combination mold, which is characterized in that including on left mould, right mould, lower die, rear mold, core box Mould and core box mould；The valve actuator housing mould includes external mold and internal model, and the external mold is that five die sinkings design, respectively Left mould, right mould, lower die and rear mold, the internal model include core box upper mold and core box mould；The lower die is set to pentahedron hydraulic pressure weight Power casting machine casting bed bottom, the left mould, right mould are mutually accompanied with preceding mode structure, the left mould, right mould, lower die, rear mold and Core box upper mold is connected with the pentahedron hydraulic mechanism on casting bed respectively, by switch control left mould, right mould, lower die, rear mold and The die sinking and molding of core box upper mold；The left mould, right mould, lower die, rear mold, core box upper mold and core box mould use irony or steel Material manufacture is molded；The core box upper mold, core box mould are assemblied on core shooter, pass through precoated sand, core box upper mold, core box mold forming For internal model sand core；By internal model sand core assembly be combined in the external mold of valve actuator housing mould, and by left mould, right mould, Lower die, rear mold and core box Ccope closing machine become valve actuator housing mould, using aluminium alloy melt, pass through bottom filling annular Charging runner and multichannel ingate obtain valve actuator shell casting.

2. a kind of valve actuator shell combination mold according to claim 1, which is characterized in that the left mould includes Taper positioning, mould bases locating slot, mould bases and left mould cavity, the left mould cavity are set to the middle part of the mould bases, the mould bases For band, there are four the cuboids of mould bases locating slot, and there are two tapers to position for the mould bases diagonal angle setting；The left mould cavity relates to And the structure to the right shell of adjuster, motor interface and actuator interface, including annular convex platform A, fan-shaped boss A, circular groove, no Regular connected in star, rounded face, round platform, earthing block groove, arc groove face A, ground connection indicia grooves, arc groove face B, triangle arc Connected in star A, arc-shaped step face A, arc-shaped step face B, groove, arcuate flanks, triangular-arc groove B, arc-shaped step face C, arc Step surface D, sand mold positioning surface；The left mould cavity matches setting with adjuster right casing part morpheme, size.

3. a kind of valve actuator shell combination mold according to claim 1, which is characterized in that the right mould includes Taper positioning, mould bases locating slot, mould bases, pouring slot and right mould cavity, the right mould cavity are set to the middle part of the mould bases, institute It is that there are four the cuboids of mould bases locating slot for band to state mould bases, and there are two tapers to position for the mould bases diagonal angle setting；The right mould Cavity be related to the right shell of adjuster, adjuster left housing, motor interface and actuator interface structure, including round platform, earthing block be recessed Slot, fan-shaped boss B, groove joint face, annular convex platform B, round platform, triangle groove, arc joint face, arc groove face B, triangle arc Connected in star A, arc-shaped step face A, arc-shaped step face B, groove, arcuate flanks, triangular-arc groove B, arc-shaped step face C, arc Step surface D；The right mould cavity matches setting with adjuster left casing part morpheme, size.

4. a kind of valve actuator shell combination mold according to claim 1, which is characterized in that the lower die includes Taper positioning, mould bases location hole, mould bases and lower die cavity, the lower die cavity are set to the middle part of the mould bases, the mould bases For band, there are four the rectangular panel bodies of mould bases location hole, and there are four tapers to position for setting at four angles of the mould bases；The lower die Cavity is related to the structure of motor interface, including semicircle groove, circular groove, fan-shaped step surface, cone-shaped groove, taper circle Platform, arc boss, fan-shaped plan；The lower die cavity matches setting with motor interface morpheme, size.

5. a kind of valve actuator shell combination mold according to claim 1, which is characterized in that the rear mold includes Mould bases location hole, mould bases and rear model cavity, the rear model cavity are set to the middle part of the mould bases, and the mould bases is there are four bands The rectangular panel body of mould bases location hole, there are four tapers to position for setting at four angles of the mould bases；Model cavity is related to after described The structure of electric interfaces, including arc joint angle, cylindroid, annular step surface, scalloped bevel, bar shaped face；Model cavity after described Setting is matched with electric interfaces morpheme, size.

6. a kind of valve actuator shell combination mold according to claim 1, which is characterized in that the core box upper mold Including model cavity on the positioning of core box mould, core box mould bases and core box, model cavity is set to the interior of the core box mould bases on the core box Portion, the core box mould bases are the round positioned with core box mould；Model cavity is related to the knot of actuator interface on the core box Structure, including core box column slot, semicircular arc boss, gradient annular groove A, core box anchor ring, gradient annular groove B, convex annular table top, circle Shape column, side boss, core box side；Model cavity matches setting with actuator interface morpheme, size on the core box；

The core box mould includes that the positioning of core box mould, core box mould bases and core box model cavity, the core box model cavity are set to the core The inside of box mould bases, the core box mould bases are that there are two the cuboids of core box mould positioning for band；The core box model cavity includes core box Loose piece, right-angle surface, core box arc boss, arc joint angle；The core box model cavity is matched and is set with core box mould loam core morpheme, size It sets.