CN203843133U - Built-in type extrusion device of die casting machine head plate - Google Patents
Built-in type extrusion device of die casting machine head plate Download PDFInfo
- Publication number
- CN203843133U CN203843133U CN201420244045.9U CN201420244045U CN203843133U CN 203843133 U CN203843133 U CN 203843133U CN 201420244045 U CN201420244045 U CN 201420244045U CN 203843133 U CN203843133 U CN 203843133U
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- Prior art keywords
- casting machine
- die casting
- head plate
- hydraulic
- built
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- 238000004512 die casting Methods 0.000 title claims abstract description 59
- 238000001125 extrusion Methods 0.000 title claims abstract description 47
- 238000004146 energy storage Methods 0.000 claims abstract description 29
- 239000002828 fuel tank Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 38
- 238000005266 casting Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000010729 system oil Substances 0.000 abstract 1
- 239000010720 hydraulic oil Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a built-in type extrusion device of a die casting machine head plate. The built-in type extrusion device comprises two extrusion oil cylinders and two sets of hydraulic control assemblies, wherein the two extrusion oil cylinders are built in the die casting machine head plate through connecting bolts, each set of hydraulic control assembly comprises a flow valve, a three-position four-way reversing valve, hydraulic energy storage devices, a pressure gauge, a one-way valve, a two-position four-way reversing valve, a hydraulic pump and a die casting machine system oil tank, and the hydraulic energy storage devices are arranged above the die casting machine head plate through the connection bolts. The extrusion device is simple in structure and high in reliability, the extrusion oil cylinders are built in the die casting machine head plate, no extra die casting machine space is occupied, casting density can be increased, air holes and shrinkage cavities of a casting are eliminated or greatly reduced, and the extrusion device can be widely applied to production of high-density castings.
Description
Technical field
The utility model relates to die casting machine corollary equipment technical field, specifically the built-in pressurizing unit of a kind of die casting machine head plate.
Background technology
Along with improving constantly that foundry goods requires, for example casting density reaches 2.7g/cm
3above, conventional die casting is just difficult to reach, and is generally all by the mode of secondary extrusion, to improve the density of foundry goods.Existing die casting pressurizing unit, is all the external pressurizing unit of more complicated, is difficult to control the degree of depth of extruding and the balance of extruding, and fault rate is also high.
Utility model content
The utility model is for the problem of above-mentioned existence, and a kind of simple in structure, built-in pressurizing unit of die casting machine head plate that reliability is high is provided.
The utility model for achieving the above object, takes following technical scheme to be achieved:
The built-in pressurizing unit of die casting machine head plate, comprises left and right extrusion oil cylinder and Hydraulic Conirol Unit; Described left and right extrusion oil cylinder is built in die casting machine head plate by connecting bolt; Described Hydraulic Conirol Unit comprises left and right flow valve, left and right three position four-way directional control valve, left and right hydraulic energy storage device, left and right Pressure gauge, left and right check valve, left and right two-position four way change valve, hydraulic pump and die casting machine system fuel tank; Described die casting machine system fuel tank, hydraulic pump, the second from left position and four-way reversing valve, left check valve, left Pressure gauge, left hydraulic energy storage device, left three position four-way directional control valve, left flow valve are connected successively with left extrusion oil cylinder, and the 3rd of described left three position four-way directional control valve is connected respectively left extrusion oil cylinder and die casting machine system fuel tank with the 4th hydraulic fluid port; Described die casting machine system fuel tank, hydraulic pump, right two-position four way change valve, right check valve, right Pressure gauge, right hydraulic energy storage device, right three position four-way directional control valve, right flow valve are connected successively with right extrusion oil cylinder, and the 3rd of described right three position four-way directional control valve is connected respectively right extrusion oil cylinder and die casting machine system fuel tank with the 4th hydraulic fluid port.
Extrusion oil cylinder is two, is divided into left extrusion oil cylinder and right extrusion oil cylinder, by connecting bolt, is built in die casting machine head plate, and oil cylinder axle is towards die casting machine tailgate.Preferably, described left and right extrusion oil cylinder is with the symmetrical placement of die casting machine head plate central point.
The uninterrupted that flow valve is released for controlling extrusion oil cylinder; Three position four-way directional control valve is used for controlling extrusion oil cylinder and releases or fallback action; Hydraulic energy storage device is for the energy storage of extrusion oil cylinder; Pressure gauge is for showing the pressure of hydraulic energy storage device; Check valve is for preventing that the hydraulic oil of hydraulic energy storage device from returning back to oil tank of die-casting machine by hydraulic pump; Two-position four way change valve is used for controlling hydraulic pump; Hydraulic pump is for being transported to hydraulic energy storage device the hydraulic oil of oil tank of die-casting machine; Die casting machine system fuel tank is for providing hydraulic oil to hydraulic pump and storing the hydraulic oil from three position four-way directional control valve rollback.
Preferably, described hydraulic energy storage device is installed on die casting machine head plate top by connecting bolt.
Preferably, described hydraulic energy storage device is nitrogen piston hydraulic accumulator.
Compared with prior art, the beneficial effects of the utility model are as follows: the utility model adopts the mode of the two extrusion oil cylinders in left and right, can reach squeeze pressure more than 20MPa, meet the required pressure of foundry goods secondary extrusion, and can effectively guarantee to push the stability of the degree of depth.The extrusion oil cylinder of this pressurizing unit is built in die casting machine head plate, does not additionally take die casting machine space, compact conformation.Generally speaking, the utlity model has the advantage simple and reasonable, dependability is high, can improve casting density, eliminate simultaneously or greatly reduce the defects such as the pore of foundry goods and shrinkage cavity, can be widely used in the foundry goods that production high density requires.
Accompanying drawing explanation
Fig. 1 is the head composition that hardens of the built-in pressurizing unit of die casting machine head plate of the present utility model;
Fig. 2 is the hydraulic schematic diagram of the built-in pressurizing unit of die casting machine head plate of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Referring to Fig. 1～2, the built-in pressurizing unit of a kind of die casting machine head plate, comprises extrusion oil cylinder 1 and Hydraulic Conirol Unit; Extrusion oil cylinder 1 is two, is divided into left extrusion oil cylinder 1.1 and right extrusion oil cylinder 1.2, by connecting bolt, is built in die casting machine head plate 11, and oil cylinder axle is towards die casting machine tailgate.Preferably, left and right extrusion oil cylinder 1.1,1.2 is with the symmetrical placement of die casting machine head plate 11 central point.
Hydraulic Conirol Unit comprises left and right flow valve 3.1,3.2, left and right three position four-way directional control valve 4.1,4.2, left and right hydraulic energy storage device 5.1,5.2, left and right Pressure gauge 6.1,6.2, left and right check valve 7.1,7.2, left and right two-position four way change valve 8.1,8.2, hydraulic pump 9 and die casting machine system fuel tank 10; Wherein, die casting machine system fuel tank 10, hydraulic pump 9, the second from left position and four-way reversing valve 8.1, left check valve 7.1, left Pressure gauge 6.1, left hydraulic energy storage device 5.1, left three position four-way directional control valve 4.1, left flow valve 3.1 and left extrusion oil cylinder 1.1 are connected successively, first and second hydraulic fluid port of left three position four-way directional control valve 4.1 connects respectively left hydraulic energy storage device 5.1 and left flow valve 3.1, and the 3rd of left three position four-way directional control valve 4.1 is connected respectively left extrusion oil cylinder 1.1 and die casting machine system fuel tank 10 with the 4th hydraulic fluid port; Die casting machine system fuel tank 10, hydraulic pump 9, right two-position four way change valve 8.2, right check valve 7.2, right Pressure gauge 6.2, right hydraulic energy storage device 5.2, right three position four-way directional control valve 4.2, right flow valve 3.2 and right extrusion oil cylinder 1.2 are connected successively, first and second hydraulic fluid port of right three position four-way directional control valve 4.2 connects respectively right hydraulic energy storage device 5.2 and right flow valve 3.2, and the 3rd of right three position four-way directional control valve 4.2 is connected respectively right extrusion oil cylinder 1.2 and die casting machine system fuel tank 10 with the 4th hydraulic fluid port.
The uninterrupted that flow valve is released for controlling extrusion oil cylinder; Three position four-way directional control valve is used for controlling extrusion oil cylinder and releases or fallback action; Hydraulic energy storage device is for the energy storage of extrusion oil cylinder; Pressure gauge is for showing the pressure of hydraulic energy storage device; Check valve is for preventing that the hydraulic oil of hydraulic energy storage device from returning back to oil tank of die-casting machine by hydraulic pump; Two-position four way change valve is used for controlling hydraulic pump; Hydraulic pump is for being transported to hydraulic energy storage device the hydraulic oil of oil tank of die-casting machine; Die casting machine system fuel tank is for providing hydraulic oil to hydraulic pump and storing the hydraulic oil from three position four-way directional control valve rollback.
Hydraulic energy storage device 5.1,5.2 is installed on die casting machine head plate 11 tops by connecting bolt.Preferably, described hydraulic energy storage device 5.1,5.2 is nitrogen piston hydraulic accumulator.
The utility model is applied to the foundry goods that production high density requires, and more than can effectively guaranteeing that casting density reaches 2.7g/cm3, in be stabilized in ± 1mm of the extruding degree of depth, conventional die casting is not exerted an influence
The utility model adopts the mode of the two extrusion oil cylinders in left and right, can reach squeeze pressure more than 20MPa, has met the required pressure of foundry goods secondary extrusion, and can effectively guarantee to push the stability of the degree of depth.The extrusion oil cylinder of this pressurizing unit is built in die casting machine head plate, does not additionally take die casting machine space, compact conformation.Generally speaking, the utlity model has the advantage simple and reasonable, dependability is high, can improve casting density, eliminate simultaneously or greatly reduce the defects such as the pore of foundry goods and shrinkage cavity, can be widely used in the foundry goods that production high density requires.
Only as described above, it is only the preferred embodiment of the utility model, when not limiting with this scope of the utility model enforcement, the content of generally recording according to the utility model claim and utility model description has been done simple equivalence and has been changed and modify, within all still belonging to the utility model claim scope.In addition, summary part and title are only the use for auxiliary patent document search, are not used for limiting the interest field of the utility model.
Claims (4)
1. the built-in pressurizing unit of die casting machine head plate, is characterized in that, comprises left and right extrusion oil cylinder and Hydraulic Conirol Unit; Described left and right extrusion oil cylinder is built in die casting machine head plate by connecting bolt; Described Hydraulic Conirol Unit comprises left and right flow valve, left and right three position four-way directional control valve, left and right hydraulic energy storage device, left and right Pressure gauge, left and right check valve, left and right two-position four way change valve, hydraulic pump and die casting machine system fuel tank; Described die casting machine system fuel tank, hydraulic pump, the second from left position and four-way reversing valve, left check valve, left Pressure gauge, left hydraulic energy storage device, left three position four-way directional control valve, left flow valve are connected successively with left extrusion oil cylinder, and the 3rd of described left three position four-way directional control valve is connected respectively left extrusion oil cylinder and die casting machine system fuel tank with the 4th hydraulic fluid port; Described die casting machine system fuel tank, hydraulic pump, right two-position four way change valve, right check valve, right Pressure gauge, right hydraulic energy storage device, right three position four-way directional control valve, right flow valve are connected successively with right extrusion oil cylinder, and the 3rd of described right three position four-way directional control valve is connected respectively right extrusion oil cylinder and die casting machine system fuel tank with the 4th hydraulic fluid port.
2. the built-in pressurizing unit of a kind of die casting machine head plate according to claim 1, is characterized in that, described left and right extrusion oil cylinder is with the symmetrical placement of die casting machine head plate central point.
3. the built-in pressurizing unit of a kind of die casting machine head plate according to claim 1, is characterized in that, described hydraulic energy storage device is installed on die casting machine head plate top by connecting bolt.
4. the built-in pressurizing unit of a kind of die casting machine head plate according to claim 3, is characterized in that, described hydraulic energy storage device is nitrogen piston hydraulic accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244045.9U CN203843133U (en) | 2014-05-13 | 2014-05-13 | Built-in type extrusion device of die casting machine head plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244045.9U CN203843133U (en) | 2014-05-13 | 2014-05-13 | Built-in type extrusion device of die casting machine head plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203843133U true CN203843133U (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244045.9U Expired - Fee Related CN203843133U (en) | 2014-05-13 | 2014-05-13 | Built-in type extrusion device of die casting machine head plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203843133U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151723A (en) * | 2020-01-06 | 2020-05-15 | 肇庆谊龙科技有限公司 | Local pressurization system |
| CN113426981A (en) * | 2021-08-26 | 2021-09-24 | 广东伊之密精密机械股份有限公司 | Injection speed reducer and die casting equipment |
| CN114101623A (en) * | 2021-11-26 | 2022-03-01 | 广东鸿图科技股份有限公司 | Local pressurizing device for die casting |
-
2014
- 2014-05-13 CN CN201420244045.9U patent/CN203843133U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151723A (en) * | 2020-01-06 | 2020-05-15 | 肇庆谊龙科技有限公司 | Local pressurization system |
| CN113426981A (en) * | 2021-08-26 | 2021-09-24 | 广东伊之密精密机械股份有限公司 | Injection speed reducer and die casting equipment |
| CN114101623A (en) * | 2021-11-26 | 2022-03-01 | 广东鸿图科技股份有限公司 | Local pressurizing device for die casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Built-in type extrusion device of die casting machine head plate Effective date of registration: 20200622 Granted publication date: 20140924 Pledgee: Zhaoqing Rural Commercial Bank Co.,Ltd. Nan'an sub branch Pledgor: GUANGDONG HONGTAI TECHNOLOGY (HOLDING) Co.,Ltd. Registration number: Y2020440000155 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220519 Granted publication date: 20140924 Pledgee: Zhaoqing Rural Commercial Bank Co.,Ltd. Nan'an sub branch Pledgor: GUANGDONG HONGTAI TECHNOLOGY (HOLDING) Co.,Ltd. Registration number: Y2020440000155 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |