CN211990823U - VM cylinder head metal mold pouring device - Google Patents
VM cylinder head metal mold pouring device Download PDFInfo
- Publication number
- CN211990823U CN211990823U CN201922208851.6U CN201922208851U CN211990823U CN 211990823 U CN211990823 U CN 211990823U CN 201922208851 U CN201922208851 U CN 201922208851U CN 211990823 U CN211990823 U CN 211990823U
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- China
- Prior art keywords
- negative pressure
- pipe
- cylinder head
- metal mold
- mold
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- Expired - Fee Related
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 238000005266 casting Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 7
- 239000004519 grease Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000000740 bleeding effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides a VM cylinder head metal mold mould pouring device, including die block, side form, mould cavity, the air vent, the runner of bleeding, vacuum port, reducing return bend, negative pressure generating pipe, compressed gas air supply and vacuum negative pressure machine. The utility model discloses die block, side form, mould cavity, air vent, the runner of bleeding, the setting of vacuum port, reducing return bend, negative pressure generating tube, compressed gas air supply and vacuum negative pressure machine are favorable to making the device simpler, convenient to use, easily realization, and the hidden danger that the gas pocket appears in the grease that the die block psammitolite produced and foundry goods greatly reduced in the complex structure psammitolite combination casting forming process of foundry goods; the arrangement of the reducing bent pipe, the negative pressure generating pipe and the compressed gas source is favorable for timely and quickly exhausting air through a vacuum negative pressure machine in the casting process, gas generated by heating of the sand core and cavity gas during casting are removed, the defects that the obtained product does not generate air holes and shrinkage porosity are overcome, the product quality is improved, and the production cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the mould pouring, especially, relate to a VM cylinder head metal mold pouring device.
Background
The aluminum casting exhaust is one of key technologies in the process of casting the cylinder cover of the automobile engine, the casting molding and defects are greatly influenced when the gas state in a cavity is changed, a large amount of gas can be generated when metal liquid is injected into a sand core, and if the casting is not smoothly and timely discharged, the casting can cause casting defects in the casting during molding solidification.
However, in the prior art, the problems that when molten metal is injected into a cavity, the sand core with a complex structure is wrapped in molten aluminum, gas generated in the molten aluminum is not discharged ideally, casting defects are easily generated at the thick part of the sand core, so that products are leaked and scrapped, and the corresponding bottom die is provided with more grease, so that the exhaust effect is affected and the defects of casting pores are increased exist.
Therefore, the invention of the VM cylinder head metal mold pouring device is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a VM cylinder head metal mold pouring device to it is unsatisfactory to solve the gas outgoing that the psammitolite that the structure is complicated when the molten metal is poured into the die cavity into to the present technique existence, and the product produces the casting defect easily in the thick big department of psammitolite and leads to the product to leak to scrap, and it is many to cause the die block position grease that corresponds, influences the problem that exhaust effect and foundry goods gas pocket defect increase. A metal mold pouring device for a VM cylinder cover comprises a bottom mold, side molds, a mold cavity, vent holes, an air exhaust runner, a vacuum port, a reducing bent pipe, a negative pressure generating pipe, a compressed gas source, a vacuum negative pressure machine, an air filtering anti-blocking guide pipe structure and a sealing connection leakage-proof pipe structure, wherein the side molds are arranged on two side surfaces of the bottom mold and form the mold cavity; the bottom die is provided with a vent hole and an air exhaust flow passage; the vent hole is respectively communicated with the mold cavity and the air exhaust runner; the vacuum port is communicated with the vacuum negative pressure machine through a gas-filtering anti-blocking conduit structure; the vacuum negative pressure machine comprises a negative pressure generating pipe and a compressed gas source, wherein one end of the negative pressure generating pipe is connected with one end of the negative pressure generating pipe through a sealable connecting leakage-proof pipe structure; and a reducing bent pipe is arranged at the middle position of the right part of the negative pressure generating pipe.
Preferably, the gas-filtering and anti-blocking guide pipe structure comprises a flange, a guide pipe body, a gas-filtering net and a impurity-filtering core, wherein the middle position of the left end of the flange is welded at the right end of the guide pipe body in a seamless mode; the left end screw in the catheter body is connected with an air filter net; the middle position in the conduit body is provided with a filtering core which is connected by screws.
Preferably, the structure of the leak-proof pipe capable of being connected in a sealing manner comprises a connecting nut, a sealing ring and a connecting pipe, wherein the connecting nut is connected to the outer wall of the connecting pipe through the sealing ring in a threaded manner.
Preferably, the bottom die and the side die form a die.
Preferably, the reducing elbow is set to be large at two ends and small in the middle.
Preferably, pipe body one end pass through the flange and install the left end at the die block to with bleed runner intercommunication setting, another end threaded connection is at the right-hand member of vacuum negative pressure machine, and with reducing return bend intercommunication setting, the pipe body specifically adopt nonrust steel pipe.
Preferably, the air filtering net specifically adopts a circular stainless steel filtering net, and the impurity filtering core specifically adopts an activated carbon adsorption core with a cylindrical longitudinal section.
Preferably, one end of the connecting pipe is in threaded connection with the right end of the compressed gas source, and the other end of the connecting pipe is in threaded connection with the left end of the negative pressure generating pipe.
Preferably, the connecting nut is connected with the left end of the negative pressure generating pipe in a sealing manner through a sealing ring.
Preferably, the sealing ring is a rubber ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, die block, side form, mould cavity, the air vent, the runner of bleeding, the vacuum port, the reducing return bend, negative pressure emergence pipe, compressed gas air supply and vacuum negative pressure machine's setting is favorable to making the device simpler, convenient to use, easily realization, the hidden danger that the gas pocket appears in the produced grease of die block psammitolite and the foundry goods that significantly reduces in foundry goods complex construction psammitolite combination casting forming process.
2. The utility model discloses in, the reducing return bend, the setting of negative pressure generator pipe and compressed gas air supply be favorable to in time bleeding through vacuum negative pressure machine fast in the casting process, the psammitolite is heated when getting rid of the casting and is produced gas and die cavity gas, ensures that the product that obtains does not produce the defect of gas pocket, shrinkage porosity, has improved product quality, has reduced manufacturing cost.
3. The utility model discloses in, the setting of flange and pipe body, be favorable to connecting the dismantlement, be convenient for dock the installation.
4. The utility model discloses in, the setting of straining the gas net and straining miscellaneous core, be favorable to playing good filtration and prevent miscellaneous effect, guarantee the efficiency of ventilating.
5. The utility model discloses in, coupling nut, the setting of sealing washer and connecting pipe is favorable to playing good sealed effect, guarantees exhaust efficiency, avoids leaking gas.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the vacuum negative pressure machine of the present invention.
Fig. 3 is a schematic structural view of the air-filtering anti-blocking conduit structure of the present invention.
Fig. 4 is a schematic structural diagram of the leak-proof pipe structure capable of being sealed and connected according to the present invention.
In the figure:
1. bottom die; 2. side mould; 3. a mold cavity; 4. a vent hole; 5. an air exhaust flow channel; 6. A vacuum port; 7. reducing bent pipes; 8. a negative pressure generating tube; 9. a source of compressed gas; 10. a vacuum negative pressure machine; 11. a gas-filtering anti-blocking conduit structure; 111. a flange; 112. a catheter body; 113. a gas filter screen; 114. filtering the impurity core; 12. the leakage-proof pipe structure can be connected in a sealing way; 121. a connecting nut; 122. a seal ring; 123. and (4) connecting the pipes.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a VM cylinder head metal mold pouring device comprises a bottom mold 1, a side mold 2, a mold cavity 3, an air vent 4, an air exhaust runner 5, a vacuum port 6, a reducing elbow 7, a negative pressure generating pipe 8, a compressed gas source 9, a vacuum negative pressure machine 10, an air filtering anti-blocking pipe structure 11 and a sealable connection leakage-proof pipe structure 12, wherein the side mold 2 is arranged on two side surfaces of the bottom mold 1 and forms the mold cavity 3; the bottom die 1 is provided with a vent hole 4 and an air exhaust flow passage 5; the vent hole 4 is respectively communicated with the mould cavity 3 and the air exhaust runner 5; the vacuum port 6 is communicated with a vacuum negative pressure machine 10 through a gas-filtering anti-blocking conduit structure 11; the vacuum negative pressure machine 10 comprises a negative pressure generating pipe 8 and a compressed gas source 9 connected with one end of the negative pressure generating pipe 8 through a sealable connection leakage-proof pipe structure 12; negative pressure generating pipe 8's right part intermediate position be provided with reducing return bend 7, through reducing return bend 7, negative pressure generating pipe 8, compressed gas air supply 9 and vacuum negative pressure machine 10's setting make the device simple, high durability and convenient use, easily realize, the hidden danger of gas pocket appears in the produced grease of the 1 psammitolite of die block and foundry goods that significantly reduces in foundry goods complex construction psammitolite combination casting forming process, and can in time bleed through vacuum negative pressure machine 10 fast in the casting process, gas and the die cavity gas that the psammitolite produced when getting rid of the casting, ensure that the product that obtains does not produce the gas pocket, the defect of shrinkage porosity, product quality is improved, and production cost is reduced.
In this embodiment, referring to fig. 3, the gas-filtering and anti-blocking conduit structure 11 includes a flange 111, a conduit body 112, a gas-filtering net 113 and a impurity-filtering core 114, wherein the middle position of the left end of the flange 111 is welded to the right end of the conduit body 112 in a seamless manner; the left end of the inside of the catheter body 112 is connected with an air filter net 113 through a screw; the inside intermediate position of pipe body 112 be provided with and strain miscellaneous core 114 to set up through the screw connection, can install through flange 111 and dismantle pipe body 112, the operation of being convenient for can strain gas through straining gas net 113 and straining miscellaneous core 114, avoid the pipeline to block up, guarantee to ventilate the smoothness.
In this embodiment, as shown in fig. 4, the leakage-proof pipe structure 12 includes a connection nut 121, a sealing ring 122 and a connection pipe 123, the connection nut 121 is screwed on the outer wall of the connection pipe 123 through the sealing ring 122, and the connection pipe 123 is connected more tightly and more firmly through the connection nut 121 via the sealing ring 122, so as to ensure the air tightness.
In this embodiment, specifically, the bottom mold 1 and the side mold 2 form a mold.
In this embodiment, specifically, the reducing elbow 7 is set to have two ends large and a middle small.
In this embodiment, specifically, conduit body 112 one end pass through flange 111 and install the left end at die block 1 to with the setting of bleeding runner 5 intercommunication, another end threaded connection is at the right-hand member of vacuum negative pressure machine 10, and with reducing return bend 7 intercommunication setting, conduit body 112 specifically adopt stainless steel pipe.
In this embodiment, specifically, the air filtering net 113 specifically employs a circular stainless steel filtering net, and the impurity filtering core 114 specifically employs an activated carbon adsorption core whose longitudinal section is cylindrical.
In this embodiment, specifically, one end of the connecting pipe 123 is screwed to the right end of the compressed gas source 9, and the other end is screwed to the left end of the negative pressure generating pipe 8.
In this embodiment, specifically, the coupling nut 121 is disposed in sealing connection with the left end of the negative pressure generating tube 8 through a seal ring 122.
In this embodiment, specifically, the sealing ring 122 is a rubber ring.
In this embodiment, specifically, when the vacuum negative pressure machine 10 is started, the compressed air with a pressure of 0.4-0.6Mpa passes through the negative pressure generating tube 8, and passes through the reducing bent tube 7 with a smaller diameter in the middle of the negative pressure generating tube 8, and the negative pressure is generated due to a higher flow velocity, so that the gas in the mold cavity 3 can be exhausted.
Principle of operation
In the utility model, when the vacuum negative pressure machine 10 is started, the compressed air with the pressure of 0.4-0.6Mpa passes through the negative pressure generating pipe 8 and passes through the reducing elbow 7 with smaller diameter in the middle of the negative pressure generating pipe 8, because the flow velocity is higher, negative pressure is generated, thereby the gas in the die cavity 3 can be exhausted, the device is simple, the use is convenient and the realization is easy through the reducing elbow 7, the negative pressure generating pipe 8, the compressed gas source 9 and the vacuum negative pressure machine 10, the hidden danger of the air holes of the grease and the casting produced by the sand core of the bottom die 1 in the process of the combined casting and forming of the sand core with the complex structure of the casting is greatly reduced, and the air can be exhausted through the vacuum negative pressure machine 10 in time in the casting process, the gas and the cavity gas produced by heating the sand core in the casting process are eliminated, the defects of no air holes and shrinkage porosity of the obtained product are, production cost is reduced, can install through flange 111 and dismantle pipe body 112, the operation of being convenient for, can strain gas through straining gas network 113 and strain miscellaneous core 114 and mix, avoid the pipeline to block up, guarantee to ventilate the smoothness, can make connecting pipe 123 connect inseparabler through coupling nut 121 via sealing washer 122, it is fixed more firm to guarantee the gas tightness.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. The VM cylinder cover metal mold pouring device is characterized by comprising a bottom mold (1), a side mold (2), a mold cavity (3), an air vent (4), an air exhaust runner (5), a vacuum port (6), a reducing elbow (7), a negative pressure generating pipe (8), a compressed gas source (9), a vacuum negative pressure machine (10), an air filtering and anti-blocking pipe structure (11) and a sealable connection leakage-proof pipe structure (12), wherein the side mold (2) is arranged on two side surfaces of the bottom mold (1) and forms the mold cavity (3); the bottom die (1) is provided with a vent hole (4) and an air exhaust flow passage (5); the vent hole (4) is respectively communicated with the mold cavity (3) and the air exhaust runner (5); the vacuum port (6) is communicated with a vacuum negative pressure machine (10) through a gas-filtering and anti-blocking conduit structure (11); the vacuum negative pressure machine (10) comprises a negative pressure generating pipe (8) and a compressed gas source (9) which is connected with one end of the negative pressure generating pipe (8) through a leak-proof pipe structure (12) in a sealing connection manner; and a reducing bent pipe (7) is arranged at the middle position of the right part of the negative pressure generating pipe (8).
2. The VM cylinder head metal mold casting device according to claim 1, characterized in that the gas-filtering and anti-blocking guide pipe structure (11) comprises a flange (111), a guide pipe body (112), a gas-filtering net (113) and a impurity-filtering core (114), wherein the middle position of the left end of the flange (111) is welded at the right end of the guide pipe body (112) in a seamless mode; the left end of the inside of the catheter body (112) is connected with an air filtering net (113) through a screw; the middle position in the conduit body (112) is provided with a filtering core (114) which is connected by screws.
3. The VM cylinder head metal mold pouring device of claim 1, wherein the sealable connection leak-proof pipe structure (12) comprises a connection nut (121), a sealing ring (122) and a connection pipe (123), and the connection nut (121) is in threaded connection with the outer wall of the connection pipe (123) through the sealing ring (122).
4. The VM cylinder head metal mold pouring device according to claim 1, characterized in that the bottom mold (1) and the side mold (2) form a mold.
5. The VM cylinder head metal mold casting device according to claim 1, characterized in that the reducing elbow (7) is provided with two ends which are large and the middle which is small.
6. The VM cylinder head metal mold pouring device according to claim 2, characterized in that one end of the conduit body (112) is installed at the left end of the bottom mold (1) through a flange (111) and is communicated with the air exhaust runner (5), the other end of the conduit body is connected to the right end of the vacuum negative pressure machine (10) through a thread and is communicated with the reducing elbow (7), and the conduit body (112) is specifically made of a stainless steel pipe.
7. The VM cylinder head metal mold casting device according to claim 2, characterized in that the air filter screen (113) is a circular stainless steel screen, and the impurity filter core (114) is an activated carbon adsorption core with a cylindrical longitudinal section.
8. The VM cylinder head metal mold casting device according to claim 3, wherein the connecting pipe (123) is screwed at one end to the right end of the compressed gas source (9) and at the other end to the left end of the negative pressure generating pipe (8).
9. The VM cylinder head metal mold pouring device of claim 3, characterized in that the connecting nut (121) is connected with the left end of the negative pressure generating tube (8) in a sealing way through a sealing ring (122).
10. The VM cylinder head metal mold casting device of claim 3, wherein the seal ring (122) is a rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922208851.6U CN211990823U (en) | 2019-12-11 | 2019-12-11 | VM cylinder head metal mold pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922208851.6U CN211990823U (en) | 2019-12-11 | 2019-12-11 | VM cylinder head metal mold pouring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211990823U true CN211990823U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922208851.6U Expired - Fee Related CN211990823U (en) | 2019-12-11 | 2019-12-11 | VM cylinder head metal mold pouring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211990823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319255A (en) * | 2021-05-28 | 2021-08-31 | 江西新德合汽配有限责任公司 | Production process of engine cylinder cover |
| CN115533083A (en) * | 2022-09-19 | 2022-12-30 | 中国第一汽车股份有限公司 | Negative pressure device for removing gas of metal gravity casting water jacket sand core |
-
2019
- 2019-12-11 CN CN201922208851.6U patent/CN211990823U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319255A (en) * | 2021-05-28 | 2021-08-31 | 江西新德合汽配有限责任公司 | Production process of engine cylinder cover |
| CN115533083A (en) * | 2022-09-19 | 2022-12-30 | 中国第一汽车股份有限公司 | Negative pressure device for removing gas of metal gravity casting water jacket sand core |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |