CN115464101A - Promote mould for machining of switching-over valve of foundry goods qualification rate - Google Patents
Promote mould for machining of switching-over valve of foundry goods qualification rate Download PDFInfo
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- CN115464101A CN115464101A CN202210955615.4A CN202210955615A CN115464101A CN 115464101 A CN115464101 A CN 115464101A CN 202210955615 A CN202210955615 A CN 202210955615A CN 115464101 A CN115464101 A CN 115464101A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mould for processing a reversing valve for improving the qualified rate of castings, which comprises: a lower die configured with a lower die cavity for casting the diverter valve; an upper die configured with an upper die cavity for casting the diverter valve; the side dies are connected to the lower die and the upper die to close the lower die cavity and the upper die cavity; a feeding pipe is arranged on the lower die to arrange a feeding point in the middle of the reversing valve; the casting manufactured by the invention has small deformation, less casting defects and high casting qualification rate.
Description
Technical Field
The invention belongs to the technical field of dies, and particularly relates to a die for machining a reversing valve, which is capable of improving the qualified rate of castings.
Background
The reversing valve is a directional control valve with more than two flow forms and more than two oil ports. The first valve realizes the communication, cut-off and reversal of hydraulic oil flow, pressure unloading and sequential action control. The reversing valve is generally formed by casting, the traditional casting process adopts a bottom feeding mode, the bottom feeding capacity of a casting is sufficient, the top feeding capacity is not available, the casting has many casting defects, and the product yield is low.
Disclosure of Invention
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
The invention provides a mold for machining a reversing valve, which is used for improving the yield of castings in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a promote mould for switching-over valve processing of foundry goods qualification rate, includes: a lower die configured with a lower die cavity for casting the diverter valve; an upper die configured with an upper die cavity for casting the diverter valve; the side dies are connected to the lower die and the upper die to close the lower die cavity and the upper die cavity; the lower die is provided with a feeding pipe so as to arrange a feeding point in the middle of the reversing valve.
Furthermore, a material distribution lower cavity is arranged on the lower die, a material distribution upper cavity is arranged on the upper die, the feeding pipe is communicated with the material distribution lower cavity, and when the upper die and the upper die are combined, the material distribution lower cavity and the material distribution upper cavity are attached to form a material distribution cavity.
Further, promote mould for switching-over valve processing of foundry goods qualification rate still includes: the sealing plate is used for sealing the material distribution cavity; the driving piece is used for pushing the sealing plate to do linear motion in the direction vertical to the material distribution cavity; the upper die is provided with a movable cavity for accommodating the sealing plate.
Furthermore, go up to be equipped with the inlet pipe on the mould, the inlet pipe below is located to the inlet pipe, is equipped with first valve in the inlet pipe.
Further, promote mould for switching-over valve processing of foundry goods qualification rate still includes: the first connecting plate is used for connecting the driving piece and the sealing plate; the sealing plate is connected to the first connecting plate in a sliding mode along the direction parallel to the material distribution cavity.
Furthermore, a baffle is arranged on the side wall of the sealing plate, and the baffle is attached to the bottom wall of the material distributing upper cavity.
Furthermore, a sealing block is arranged on the sealing plate, a first movable groove for the sealing block to be inserted is formed in the sealing plate, and a supporting spring is arranged in the first movable groove.
Furthermore, a first chute is arranged at the top of the material distribution lower cavity, and a second chute is arranged at the top of the sealing block.
Further, promote mould for switching-over valve processing of foundry goods qualification rate still includes: the first push plate is arranged on one side of the sealing plate; the push rod is connected with the first push plate; when the driving piece pushes the push rod to move, the push rod pushes the first push plate to move towards the direction of the feeding pipe.
Further, the top of the feeding pipe is provided with a first guide groove.
The invention has the advantages that: the mold for machining the reversing valve is small in casting deformation, few in casting defects, high in casting qualification rate and capable of improving the casting qualification rate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it.
Further, throughout the drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic and that elements and elements are not necessarily drawn to scale.
In the drawings:
FIG. 1 is a schematic structural diagram of a mold for machining a reversing valve for improving the yield of castings according to an embodiment of the invention;
FIG. 2 is a sectional view of the mold for machining the reversing valve for improving the yield of castings in the embodiment shown in FIG. 1;
FIG. 3 is a cross-sectional view of a mold for machining a diverter valve to improve casting yield in accordance with another embodiment of the present invention;
FIG. 4 is an enlarged view of the first push plate of the mold for machining the reversing valve for improving the casting yield in the embodiment shown in FIG. 3;
FIG. 5 is an enlarged view of the embodiment of FIG. 3 at the feed pipe of the mold for machining the diverter valve for improving the casting yield;
FIG. 6 is a cross-sectional view of a mold for machining a diverter valve to improve casting yield in accordance with yet another embodiment of the present invention;
FIG. 7 is an enlarged view of the first push plate of the mold for machining a diverter valve for improving the casting yield in the embodiment shown in FIG. 6;
FIG. 8 is an enlarged view of the second slide block of the mold for machining a diverter valve for improving the casting yield in the embodiment shown in FIG. 6.
The reference numerals in the figures have the following meanings:
101. a lower die; 101a, a material distributing cavity; 102. an upper die; 103. performing side die; 104. a feeding pipe;
201. a lower die; 202. an upper die; 203. a drive member; 204. a sealing plate; 2041. a support spring; 205. a sealing block; 206. a filler; 207. a material distributing cavity; 208. a baffle plate; 2081. a second slider; 209. a second chute; 210. a first connecting plate; 211. a thermal insulation layer; 212. a feed pipe; 2121. a branch pipe; 214. an air inlet pipe; 2141. a third valve; 215. a mold cavity;
301. a drive member; 302. a first push plate; 3021. a second connecting spring; 3022. a second connecting block; 3023. a second connecting plate; 3024. a first connection block; 303. a push rod; 304. a transmission rod; 305. a first connecting plate; 306. a first connecting spring; 307. a movable block; 308. a baffle plate; 3081. a second slider; 309. a first guide groove; 311. a second push plate; 3111. a connecting rod; 3112. a third connecting spring; 3113. a limiting plate; 312. a second runner.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 2, a mold for machining a directional valve, which improves the yield of castings, includes a lower mold 101, an upper mold 102, and a plurality of side molds 103.
The reversing valve processed by the application is a three-way valve, so that three side dies 103 are correspondingly arranged, and the three side dies 103 sequentially correspond to three channels of the three-way valve.
The lower die 101 is configured with a lower die cavity for casting the diverter valve; the upper die 102 is configured with an upper die cavity for a cast diverter valve; the side die 103 is connected to the lower die 101 and the upper die 102 to close the lower die cavity and the upper die cavity, and when the lower die 101 and the upper die 102 are combined, the lower die cavity and the upper die cavity are closed to form a finished die cavity; the lower die 101 is provided with a feeding pipe 104 for arranging feeding points in the middle of the reversing valve, the lower die 101 is provided with a material distribution lower cavity, the upper die 102 is provided with a material distribution upper cavity, the feeding pipe 104 is communicated with the material distribution lower cavity, when the upper die 102 and the lower die 101 are combined, the material distribution lower cavity is attached to the side wall of the material distribution upper cavity to form three material distribution cavities 101a, a plurality of feeding points are formed in the die, and raw materials enter the die cavity from the plurality of feeding points to be cast into the reversing valve.
The feeding adopts a mode of a single feeding pipe and three feeding points, and the feeding points are positioned in the middle of the valve body.
As shown in fig. 3 to 5, as a further preferable scheme, a movable cavity communicated with the material distribution upper cavity is arranged on the upper die 202, the movable cavity is arranged at the top of the material distribution upper cavity, a sealing plate 204 and a driving member 203 are arranged in the movable cavity, the driving member 203 is an air cylinder, the driving member 203 is used for pushing the sealing plate 204 to make linear motion in a direction perpendicular to the material distribution cavity 207, the material distribution upper cavity is closed after the sealing plate 204 enters the material distribution upper cavity, and the movable cavity is arranged at a position close to the die cavity 215 and at a certain distance from the die cavity 215.
A first valve is arranged in the feeding pipe 212, and the first valve is an electromagnetic valve and is used for controlling the opening and closing of the feeding pipe 212; a branch pipe 2121 is arranged on the side wall of the feeding pipe, a second valve is arranged in the branch pipe, and the second valve is an electromagnetic valve and is used for controlling the opening and closing of the branch pipe; the upper die is provided with an air inlet pipe 214, the air inlet pipe 214 is internally provided with a third valve 2141, and the third valve is an electromagnetic valve and is used for controlling the opening and closing of the air inlet pipe 214.
After the raw material enters from the feeding pipe, the first valve closes the feeding pipe 212, the raw material entering from the feeding pipe flows into the die cavity along the material distribution cavity 207, and the feeding point is positioned in the middle of the die cavity, so that the feeding capacity of the die cavity is more balanced up and down; after the die cavity is filled with the raw materials, the driving part 203 pushes the sealing plate 204 to enter the material distribution cavity 207, the material distribution cavity 207 is sealed by the sealing plate 204, part of the material distribution cavity 207 is communicated with the die cavity 215 to supplement thermal expansion and cold contraction of the casting, the first valve opens the feeding pipe 212, the second valve opens the branch pipe, the raw materials at the joint of the feeding pipe and the material distribution cavity 207 entering the feeding pipe 212 are discharged from the branch pipe, the part of the raw materials are recycled, the part of the raw materials are prevented from being connected to the surface of the casting after being solidified, and the removal efficiency of a casting system is improved; the recovered raw materials can be directly used for casting the next casting, so that the raw material loss is reduced, and the casting cost is reduced.
The piston rod of the driving member 203 is provided with a first connecting plate 210, the sealing plate 204 is slidably connected to the first connecting plate 210 along a direction parallel to the material distribution cavity 207, the top of the sealing plate 204 is provided with a first sliding block, and the first connecting plate 210 is provided with a first sliding groove matched with the first sliding block to limit the moving direction of the sealing plate 204.
After the raw materials are filled in the die cavity, the driving part 203 pushes the sealing plate 204 to descend from the movable cavity, the sealing plate 204 enters the material distribution cavity 207 to separate the material distribution cavity 207, the first valve is opened to open the feeding pipe 212, so that the raw materials at the joint of the feeding pipe and the material distribution cavity 207 flow out of the feeding pipe 212, and the raw materials of the part are recovered; after the raw materials of inlet pipe and branch material chamber 207 junction are retrieved and are accomplished, let in the air from the inlet tube after the third valve is opened, first valve seals inlet pipe 212, the atmospheric pressure of inlet pipe and branch material chamber 207 junction increases, produce thrust to closing plate 204, the raw materials volume shrink when the cooling in the die cavity, when the space appears in the die cavity, closing plate 204 removes toward the die cavity direction under the atmospheric pressure effect, closing plate 204 promotes the raw materials in the branch material chamber 207 and continues to remove toward the die cavity, complement the space in the die cavity, reduce the foundry goods deflection, promote the foundry goods qualification rate.
When the sealing plate 204 seals the material distribution cavity 207, a part of space is still reserved to be communicated with the die cavity, so that the shrinkage in the die cavity is supplemented, and the deformation of the casting is reduced; increasing the air pressure at one side of the sealing plate 204 by introducing air into the air inlet pipe, so that the sealing plate 204 tends to move towards the direction of the mold cavity, and the raw material is pushed into the mold cavity to supplement the gap in the mold cavity; through the setting of closing plate 204 and inlet pipe 212, realize direct recovery to liquid raw materials, the very big casting machine volume on the reduction foundry goods simultaneously for the excision of casting machine is more convenient.
The side walls of the two sides of the sealing plate 204 are respectively provided with a baffle plate 208, the baffle plates 208 are attached to the top wall of the material distribution upper cavity, the top of the baffle plate 208 is provided with a second sliding block 2081, the top of the material distribution upper cavity is provided with a second sliding groove 209 matched with the second sliding block 2081, and the second sliding block 2081 is provided with a return spring; the sealing plate 204 is provided with a convex strip, and the baffle 208 is provided with a third sliding groove corresponding to the convex strip.
The baffle 208 seals the movable cavity to prevent the raw materials from entering the movable cavity; the second sliding block 2081 and the second sliding groove 209 are matched to guide the baffle plate 208, so that the baffle plate 208 is always positioned in the material distributing upper cavity; the bump is matched with the third sliding groove to ensure that the sealing plate 204 and the baffle plate 208 are always connected together, and when the sealing plate 204 enters the movable cavity, the bottom surface of the sealing plate 204 and the bottom surface of the baffle plate 208 are at the same height, so that raw materials can normally flow through the material distribution cavity 207; the section of the sealing plate 204 is smaller than that of the movable cavity, so that the sealing plate 204 can move in the movable cavity, when the sealing plate 204 extends into the material distribution cavity 207 to seal the material distribution cavity 207, the air pressure in the material distribution cavity is increased to extrude the sealing plate 204, and when a gap is generated in the mold cavity, the sealing plate 204 drives the baffle plate 208 to move together, so that the baffle plate 208 always seals the movable cavity, and the situation that raw materials enter the movable cavity to block the movement of the sealing plate 204 is avoided; after the casting is cooled and formed, air in the air inlet cavity is exhausted, the return spring pushes the first sliding block to move back, and the baffle plate 208 is enabled to return to the initial position so as to facilitate the next use of the sealing plate 204.
The sealing plate 204 is provided with a sealing block 205, the sealing plate 204 is provided with a first movable groove for the insertion of the sealing block 205, the first movable groove is internally provided with a supporting spring 2041, the top of the sealing block 205 is provided with a slot corresponding to the first movable groove, the first movable groove is filled with a filler 206, the auxiliary supporting spring 2041 provides a supporting function for the sealing block 205, and the sealing block 205 is arranged at the bottom of the sealing plate 204; the bottom of the material distribution lower cavity is provided with a first chute, the bottom of the sealing block 205 is provided with a second chute, and the inclination directions and the inclination angles of the first chute and the second chute are consistent.
After the sealing plate 204 enters the material distribution cavity 207, the sealing block 205 abuts against the bottom of the material distribution cavity 207, the first chute is in contact with the second chute, the sealing block 205 generates an upward inclined thrust force under the cooperation of the first chute and the second chute, the sealing block 205 moves towards the top of the first movable groove, the contact effect of the sealing block 205 and the bottom surface of the material distribution cavity 207 is increased, and a gap is prevented from being generated between the sealing block 205 and the inner wall of the material distribution cavity 207; the packing 206 is used for providing auxiliary support for the support spring 2041, so that the stress of the spring is relieved, and the contact effect of the sealing block 205 and the inner wall of the material distribution cavity 207 is increased; under the arrangement of the slots, the whole sealing block 205 is positioned in the material distribution cavity 207 after the sealing plate 204 extends into the material distribution cavity 207, so that the sealing effect of the sealing block 205 on the material distribution cavity 207 is ensured.
The lower die 201 is provided with a cooling cavity, the cooling cavity is arranged above the material distribution lower cavity, a thermal insulation layer 211 is arranged in the cooling cavity, the thermal insulation layer 211 is arranged in the direction close to the material distribution cavity 207, the temperature in the cooling cavity is prevented from being transferred into the material distribution cavity 207 under the arrangement of the thermal insulation layer 211, so that the raw material in the material distribution cavity 207 is always in a liquid flowing state, the solidification of the raw material in the material distribution cavity 207 is avoided, and the raw material in the feeding pipe and the material distribution cavity 207 is recovered in a liquid form.
As shown in fig. 6 to 8, as another preferable scheme, a first push plate 302 is arranged on one side of the sealing plate, the first push plate 302 is attached to the sealing block, a first connecting spring 306 is arranged at the top of the first connecting plate 305, a movable block 307 is arranged at the top end of the first connecting spring 306, the driving member 301 is an electric push rod, a piston rod of the driving member 301 is arranged at the top end of the movable block 307, a cavity is arranged on the sealing block, a first connecting block 3024 is arranged on the first push plate 302, the first connecting block 3024 is arranged in the cavity in a penetrating manner, a push rod 303 is rotatably connected to the first connecting block 3024, a transmission rod 304 is rotatably connected to the top end of the push rod 303, a first through cavity for the transmission rod 304 to pass through is arranged at the top end of the sealing block, a second through cavity for the transmission rod 304 to pass through is arranged at the top end of the sealing plate, the first through cavity and the second through cavity are aligned, and the top end of the transmission rod 304 is connected to the movable block 307; a third sliding block is arranged at the top of the transmission rod 304, and a fourth sliding groove matched with the third sliding block is arranged on the movable block 307, so that the transmission rod 304 is in sliding connection with the movable block 307, and the sealing plate can normally move in the movable cavity; the pushrod 303 is in a tilted state within the cavity.
After raw materials enter the die cavity, the driving piece 301 pushes the movable block 307 to move downwards, the movable block 307 pushes the first connecting plate 305 to move downwards through the first connecting spring 306, the sealing plate descends from the movable cavity to enter the material distribution cavity, the bottom of the sealing block abuts against the bottom of the material distribution cavity to seal the material distribution cavity, the first valve opens the feeding pipe, and the raw materials at the joint of the feeding pipe and the material distribution cavity flow out of the feeding pipe; driving piece 301 promotes movable block 307 and continues the up motion, movable block 307 moves for first connecting plate 305 up, movable block 307 drives transfer line 304 and together moves up, transfer line 304 promotes push rod 303 and rotates, push rod 303 rotates around the tie point and promotes first push pedal 302 and remove toward dividing the material intracavity, first push pedal 302 is the clearance to the raw materials on the material intracavity wall, the raw materials propelling movement to the feed pipe in the material intracavity will be divided, reduce the raw materials and in dividing the material intracavity remaining, so that retrieve the raw materials.
The top of the feeding pipe is provided with a first guide groove 309, the top of the first push plate 302 is provided with a third chute, a gap for placing the first push plate 302 is reserved between the baffle 308 and the sealing plate, the bottom of the first push plate 302 is provided with a second connecting spring 3021, the bottom of the second connecting spring 3021 is provided with a second connecting block 3022, the second connecting block 3022 is provided with a second connecting plate 3023, the second connecting plate 3023 abuts against the side wall of the first push plate 302, and the gap between the second connecting block 3022 and the first push plate 302 is sealed by the second connecting plate 3023.
When the movable block 307 moves upwards relative to the first connecting plate 305, the transmission rod 304 pushes the push rod 303 to rotate, the push rod 303 pushes the first push plate 302 to move towards the material distribution cavity relative to the baffle 308, under the arrangement of a third inclined groove, the first push plate 302 automatically moves towards the bottom of the baffle 308, the second connecting spring 3021 is in a compressed state, the second connecting block 3022 abuts against the bottom of the material distribution cavity, the contact effect between the first push plate 302 and the baffle 308 and the inner wall of the material distribution cavity is increased by the elastic force provided by the second connecting spring 3021, when the first push plate 302 moves relative to the baffle 308 on the baffle 308, the raw material on the surface of the baffle 308 is cleaned, the raw material is pushed down from the baffle 308, the baffle 308 is arranged at one end of the first guide groove 309, the raw material falling from the baffle 308 directly enters the first guide groove 309, the residual raw material in the material distribution cavity is discharged from the material storage cavity, and waste of the raw material is reduced; through the setting of first guide slot 309, make first push pedal 302 remove less stroke and can release the raw materials of dividing the material intracavity, reduce sealing plate thickness to reduce the space that the last mould that the activity chamber was in occupied, make the cooling runner on last mould set up more evenly, promote the cooling effect to the foundry goods.
A second movable groove is formed in the top of the second sliding groove 312, a third movable groove is formed in the inner wall of the movable cavity, the second movable groove and the third movable groove are connected through a connecting cavity, a second push plate 311 is arranged in the third movable groove, a connecting rod 3111 is arranged on the second push plate 311, the connecting rod 3111 penetrates through the connecting cavity into the second movable groove, and a limiting plate 3113 is arranged at the bottom of the connecting rod 3111; the connecting rod 3111 is divided into two sections, the two sections of the connecting rod 3111 are connected through a third connecting spring 3112, and the second push plate 311 extends out of the third movable groove.
When first connecting plate 305 up moved, first connecting plate 305 contacts with second push pedal 311 top, and first connecting plate 305 promotes second push pedal 311 upward movement, and second push pedal 311 drives limiting plate 3113 together upward movement, and limiting plate 3113 supports at second slider 3081 top, and the cooperation that utilizes limiting plate 3113 and second slider 3081 is fixed with baffle 308 for first push pedal 302 can remove and do the clearance to baffle 308 surface for baffle 308.
The compression of the third connecting spring 3112 is used for providing elastic support for the limiting plate 3113, and the contact effect between the limiting plate 3113 and the second sliding block 3081 is further improved, so that the baffle 308 is fixed at the current position; the limiting plate 3113 is disposed on the top of the second sliding slot 312, so that the second sliding block 3081 can be fixed no matter where it is located in the second sliding slot 312, thereby reducing the material residue in the baffle 308 and the material distributing cavity, and fully recycling the material.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept as defined above. For example, the above features and (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure are mutually replaced to form the technical solution.
Claims (10)
1. The utility model provides a promote mould for switching-over valve processing of foundry goods qualification rate, includes:
a lower die configured with a lower die cavity for casting the diverter valve;
an upper die configured with an upper die cavity for casting the diverter valve;
the method is characterized in that:
promote mould for switching-over valve processing of foundry goods qualification rate still includes:
the side dies are connected to the lower die and the upper die to seal the lower die cavity and the upper die cavity;
and the lower die is provided with a feeding pipe so as to arrange a feeding point in the middle of the reversing valve.
2. The mold for machining the reversing valve for improving the qualification rate of castings according to claim 1, wherein: the lower die is provided with a material distribution lower cavity, the upper die is provided with a material distribution upper cavity, the feeding pipe is communicated with the material distribution lower cavity, and when the upper die and the upper die are combined, the material distribution lower cavity and the material distribution upper cavity are attached to form a material distribution cavity.
3. The mold for machining the reversing valve for improving the casting yield according to claim 2, wherein the mold comprises: further comprising:
the sealing plate is used for sealing the material distribution cavity;
the driving piece is used for pushing the sealing plate to do linear motion in the direction vertical to the material distribution cavity;
the upper die is provided with a movable cavity for accommodating the sealing plate.
4. The mold for machining the reversing valve for improving the yield of castings according to claim 1, wherein: be equipped with the branch pipe on the inlet pipe lateral wall, be equipped with first valve in the inlet pipe, be equipped with the second valve in the branch pipe.
5. The mold for machining the reversing valve for improving the qualification rate of castings according to claim 3, wherein: further comprising:
a first connecting plate for connecting the driving member and the sealing plate;
the sealing plate is connected to the first connecting plate in a sliding mode along the direction parallel to the material distribution cavity.
6. The mold for machining the reversing valve for improving the yield of castings according to claim 3, wherein: be equipped with the baffle on the closing plate lateral wall, the baffle laminating divide material epicoele diapire.
7. The mold for machining the reversing valve for improving the yield of castings according to claim 3, wherein: the sealing plate is provided with a sealing block, the sealing plate is provided with a first movable groove for the sealing block to be inserted, and a supporting spring is arranged in the first movable groove.
8. The mold for machining the reversing valve for improving the qualification rate of castings according to claim 7, wherein: the top of the material distribution lower cavity is provided with a first chute, and the top of the sealing block is provided with a second chute.
9. The mold for machining the reversing valve for improving the yield of castings according to claim 3, wherein: further comprising:
the first push plate is arranged on one side of the sealing plate;
the push rod is connected with the first push plate;
when the driving piece pushes the push rod to move, the push rod pushes the first push plate to move towards the direction of the feeding pipe.
10. The mold for machining the reversing valve for improving the yield of castings according to claim 4, wherein: the top of inlet pipe is equipped with first guide slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210955615.4A CN115464101B (en) | 2022-08-10 | 2022-08-10 | Reversing valve processing die for improving casting qualification rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210955615.4A CN115464101B (en) | 2022-08-10 | 2022-08-10 | Reversing valve processing die for improving casting qualification rate |
Publications (2)
| Publication Number | Publication Date |
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| CN115464101A true CN115464101A (en) | 2022-12-13 |
| CN115464101B CN115464101B (en) | 2023-08-22 |
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| CN202210955615.4A Active CN115464101B (en) | 2022-08-10 | 2022-08-10 | Reversing valve processing die for improving casting qualification rate |
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| KR20140105215A (en) * | 2013-02-22 | 2014-09-01 | 박원철 | Assembly Core for Casting Mold of EGR Valve Housing and Casting Mold using the Same. |
| CN204108230U (en) * | 2014-09-30 | 2015-01-21 | 宁波双海机械制造有限公司 | A kind of casting mould of automobile-used three-way connection |
| KR101697316B1 (en) * | 2016-05-03 | 2017-02-01 | 강성태 | mold device of valve block |
| CN211413569U (en) * | 2019-12-30 | 2020-09-04 | 杭州鼎富控制阀有限公司 | From pressure release formula valve mold |
| CN211386811U (en) * | 2020-01-09 | 2020-09-01 | 江西汉威新能源科技有限公司 | Air inlet check valve die |
| CN212682361U (en) * | 2020-06-18 | 2021-03-12 | 无锡邦得机械有限公司 | Multi-sprue casting mold for automobile back beam |
| CN215614972U (en) * | 2021-09-30 | 2022-01-25 | 上海汽车变速器有限公司 | Die set |
| CN114799050A (en) * | 2022-05-06 | 2022-07-29 | 深圳市盈德精密制造有限公司 | Die device for casting precision castings |
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|---|---|
| CN115464101B (en) | 2023-08-22 |
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