CN203843131U - Multistage-speed injection system - Google Patents
Multistage-speed injection system Download PDFInfo
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- CN203843131U CN203843131U CN201320862992.XU CN201320862992U CN203843131U CN 203843131 U CN203843131 U CN 203843131U CN 201320862992 U CN201320862992 U CN 201320862992U CN 203843131 U CN203843131 U CN 203843131U
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- oil
- line
- piston rod
- junction
- bypass line
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Abstract
The utility model discloses a multistage-speed injection system which comprises a cylinder, a piston rod, an acceleration oil rod and an oil supply pipeline system. The cylinder comprises an oil cylinder front cavity and an oil cylinder rear cavity. The oil cylinder front cavity is provided with an oil outlet. The oil cylinder rear cavity is provided with a first oil inlet and a second oil inlet. The piston rod is disposed in the cylinder. An inner hole is formed in the piston rod. The radial sectional area of the piston of the piston rod is S1, the radial sectional area of the inner hole is S2, and S1>S2. One end of the acceleration oil rod is disposed inside the piston rod, and an oil hole is formed in the acceleration oil rod and communicated with the inner hole. The oil supply pipeline system is used for supplying hydraulic oil for the cylinder. The multistage-speed injection system has the advantages that one speed or multiple speeds can be selected optionally according to equipment needs, and multiple speeds can be acquired in one travel by respectively switching hydraulic direction valves to control hydraulic flow directions according to needs.
Description
Technical field
The utility model relates to casting machine technical field, particularly a kind of multistage speed injection system.
Background technology
Casting machine is the indispensable equipment of machine industry, existing casting method has: gravitational casting, compression casting, centrifugal casting, the polytypes such as low pressure casting, various cast types have different casting machines, pressure casting machine is a kind of complete molding equipment of automation of realizing advanced Extrution casting technique, this equipment is highly suitable for high fine and close, high airtight, high strength, the aluminium of strong mechanical performance, the production of Mg alloy castings, product is widely used for automobile, motorcycle, electrical equipment, five metals, aviation, the industry stressed members such as military project, wearing piece, withstand voltage, the manufacture of air-tightness part.
Injection is the core technology of casting machine, cast different devices and need different injection speeds, in prior art, obtain being the flow of increasing system oil pump or reducing corresponding piston and cylinder sleeve diameter (reducing sectional area) of taking at a high speed, this method power consumption is high, efficiency is low, and injection system is in the past that single differential circuit cannot meet the different multiple speed requirement of device of casting.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of multistage speed injection system, to meet the multiple speed requirement of casting different components.
(2) technical scheme
In order to address the above problem, the utility model provides a kind of multistage speed injection system,
Described injection system comprises:
Cylinder body, it comprises oil cylinder ante-chamber and oil cylinder back cavity, and described oil cylinder ante-chamber is provided with oil-out, and described oil cylinder back cavity is provided with the first oil-in and the second oil-in;
Piston rod, it is located in described cylinder body, and described piston rod inside is provided with endoporus, and the radial section of the piston of described piston rod amasss as S1, and the radial section of endoporus amasss as S2, S1>S2;
Accelerated beam hanger, described piston rod inside is located in its one end, and the described beam hanger inside of accelerating is provided with oil-through hole, and described oil-through hole is communicated with described endoporus;
Oil feed line system, it is for to described cylinder body supply hydraulic fluid.
Wherein, described oil feed line system comprises: fuel-displaced unit, oil-feed unit, between described fuel-displaced unit and described oil-out, be provided with fuel-displaced pipeline, between described oil-feed unit and described the first oil-in, be provided with the first in-line, between described oil-feed unit and described the second oil-in, be provided with the second in-line, between described fuel-displaced pipeline and described the first in-line, be provided with the first bypass line, between described the first bypass line and the second in-line, be provided with the second bypass line;
Wherein, between the junction TC of fuel-displaced pipeline and the first bypass line and fuel-displaced unit, be provided with hydraulic directional valve V1, between the junction CA of the first bypass line and the second bypass line and the first bypass line and the junction AP of the first in-line, be provided with hydraulic directional valve V2, between the junction CA of the first bypass line and the second bypass line and the second bypass line and the junction PB of the second in-line, be provided with hydraulic directional valve V3, between the junction AP of the first bypass line and the first in-line and the first in-line and the junction PA of the second in-line, be provided with hydraulic directional valve V4, between the junction PA of the first in-line and the second in-line and the second bypass line and the junction PB of the second in-line, be provided with hydraulic directional valve V5.
(3) beneficial effect
The utility model can be selected arbitrarily some or multiple speed according to device requirement, also can in certain section of stroke, switch respectively according to demand the flow direction that hydraulic directional valve controls hydraulic pressure to obtain multiple speed.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the utility model provides a kind of multistage speed injection system, described pressure
The system of penetrating comprises:
Cylinder body 2, it comprises oil cylinder ante-chamber 21 and oil cylinder back cavity 22, and described oil cylinder ante-chamber 21 is provided with oil-out C, and described oil cylinder back cavity 22 is provided with the first oil-in A and the second oil-in B;
Piston rod 1, it is located in described cylinder body 2, and described piston rod 1 inside is provided with endoporus 11, and the radial section of the piston of described piston rod 1 amasss as S1, and the radial section of endoporus 11 amasss as S2, S1>S2;
Accelerated beam hanger 3, described piston rod 1 inside is located in its one end, and described beam hanger 3 inside of accelerating are provided with oil-through hole 31, and described oil-through hole 31 is communicated with described endoporus 11;
Oil feed line system, it is for to described cylinder body 3 supply hydraulic fluids.
Wherein, described oil feed line system comprises: fuel-displaced unit T, oil-feed unit P, between described fuel-displaced unit T and described oil-out C, be provided with fuel-displaced pipeline H1, between described oil-feed unit P and described the first oil-in A, be provided with the first in-line H2, between described oil-feed unit P and described the second oil-in B, be provided with the second in-line H3, between described fuel-displaced pipeline H1 and described the first in-line H2, be provided with the first bypass line H4, between described the first bypass line H4 and the second in-line, H2 is provided with the second bypass line H5;
Wherein, between the junction TC of fuel-displaced pipeline and the first bypass line and fuel-displaced unit, be provided with hydraulic directional valve V1, between the junction CA of the first bypass line and the second bypass line and the first bypass line and the junction AP of the first in-line, be provided with hydraulic directional valve V2, between the junction CA of the first bypass line and the second bypass line and the second bypass line and the junction PB of the second in-line, be provided with hydraulic directional valve V3, between the junction AP of the first bypass line and the first in-line and the first in-line and the junction PA of the second in-line, be provided with hydraulic directional valve V4, between the junction PA of the first in-line and the second in-line and the second bypass line and the junction PB of the second in-line, be provided with hydraulic directional valve V5.
Native system mainly utilizes the principle of speed (V)=flow (Q)/sectional area (S) and differential principle to realize, wherein the inner piston area of crossing oil typed piston bar is S1, the area of inner oil-through hole is S2, S1>S2.
Specific works principle is as follows: work as V4, V1 valve is opened, V2, V3, when V5 valve cuts out, hydraulic oil enters oil cylinder back cavity 22 by A mouth, the hydraulic oil of oil cylinder ante-chamber 21 flows out and directly gets back to T mouth (fuel-displaced unit) from C mouth, and piston rod 1 travels forward, and this is a step velocity; Work as V5, V1 valve is opened, V2, V4, when V5 valve cuts out, hydraulic oil flow to piston rod 1 endoporus 11 by B mouth through accelerating beam hanger 3, promote piston rod 1 and travel forward, the hydraulic oil of oil cylinder ante-chamber 21 is directly got back to T mouth (fuel-displaced unit) from the outflow of C mouth, and this is two step velocitys; Work as V1, V4, V5 valve is opened, V2, when V3 valve cuts out, hydraulic oil is simultaneously from A, and B mouth flows into respectively oil cylinder back cavity 22 and piston rod 1 inside, promote piston rod 1 simultaneously and travel forward, the hydraulic oil of oil cylinder ante-chamber 21 flows out and directly gets back to T mouth (fuel-displaced unit) from C mouth, and this is three step velocitys; Work as V2, V4 valve is opened, V1, V3, when V5 valve cuts out, hydraulic oil enters oil cylinder back cavity 22 by A mouth, and the hydraulic oil of oil cylinder ante-chamber 21 flows out and gets back to oil cylinder back cavity 22 by A mouth from C mouth, two strands of hydraulic oil promote piston rod 1 simultaneously and travel forward, and form one-level differential circuit, and this is level Four speed; Work as V3, V4 valve is opened, V1, V3, when V5 valve cuts out, hydraulic oil enters oil cylinder back cavity 22 by A mouth, the hydraulic oil of oil cylinder ante-chamber 21 flows out by B mouth and flow to piston rod 1 endoporus 11 through accelerating beam hanger 3 from C mouth, two strands of hydraulic oil promote piston rod 1 simultaneously and travel forward, and form secondary differential circuit, and this is Pyatyi speed; Work as V2, V5 valve is opened, V1, V3, when V4 valve cuts out, hydraulic oil flow to piston rod 1 endoporus 11 by B mouth through accelerating beam hanger 3, the hydraulic oil of oil cylinder ante-chamber 21 flows out and gets back to oil cylinder back cavity 22 by A mouth from C mouth, two strands of hydraulic oil promote piston rod 1 simultaneously and travel forward, and form three grades of differential circuits, and this is six step velocitys; Work as V3, V5 valve is opened, V1, V2, when V4 valve cuts out, hydraulic oil flow to piston rod 1 endoporus 11 by B mouth through accelerating beam hanger 3, the hydraulic oil of oil cylinder ante-chamber 21 flows out and gets back to B mouth from C mouth, two strands of hydraulic oil promote respectively piston rod 1 simultaneously and travel forward, and form level Four differential circuit, and this is seven step velocitys; Work as V2, V3, V4 valve is opened, V1, when V5 valve cuts out, hydraulic oil enters oil cylinder back cavity 22 by A mouth, the hydraulic oil of oil cylinder ante-chamber 21 flows out respectively and flow to piston rod 1 endoporus 11 by A mouth inflow oil cylinder back cavity 22 and B mouth through accelerating beam hanger 3 from C mouth, two strands of hydraulic oil promote respectively piston rod 1 simultaneously and travel forward, and form Pyatyi differential circuit, and this is eight step velocitys; Work as V2, V3, V5 valve is opened, and V1, when V4 valve cuts out, hydraulic oil flow to piston rod 1 endoporus 11 by B mouth through accelerating beam hanger 3, the hydraulic oil of oil cylinder ante-chamber 21 flows out respectively and flows into oil cylinder back cavity 22 and B mouth by A mouth from C mouth, flows to 11, two strands of hydraulic oil of piston rod 1 endoporus and promotes piston rod 1 simultaneously and travel forward through accelerating beam hanger 3, form six grades of differential circuits, this is nine step velocitys; Work as V2, V4, V5 valve is opened, V1, when V3 valve cuts out, hydraulic oil is flowed into oil cylinder back cavity 22 and is flow to piston rod 1 endoporus 11 through accelerating beam hanger 3 by A mouth and B mouth respectively, the hydraulic oil of oil cylinder ante-chamber 21 flows out by A mouth and flows into oil cylinder back cavity 22 from C mouth, three strands of oil promote piston rod 1 simultaneously and travel forward, and form seven grades of differential circuits, and this is ten step velocitys; Work as V3, V4, V5 valve is opened, V1, when V2 valve cuts out, hydraulic oil is flowed into oil cylinder back cavity 22 and is flow to piston rod 1 endoporus 11 through accelerating beam hanger 3 by A mouth and B mouth respectively, the hydraulic oil of oil cylinder ante-chamber 21 flows out by B mouth and flows into and accelerated beam hanger 3 from C mouth, three strands of oil promote piston rod 1 simultaneously and travel forward, and form eight grades of differential circuits, and this is 11 step velocitys; Work as V2, V3, V4, V5 valve is opened, and when V1 valve cuts out, hydraulic oil is flowed into oil cylinder back cavity 22 and flow to piston rod 1 endoporus 11 through accelerating beam hanger 3 by A mouth and B mouth respectively, the hydraulic oil of oil cylinder ante-chamber 21 flows out respectively and flow to piston rod 1 endoporus 11 by A mouth inflow oil cylinder back cavity 22 and B mouth through accelerating beam hanger 3 from C mouth, four strands of oil promote piston rod 11 simultaneously and travel forward, and form nine grades of differential circuits, and this is 12 step velocitys.
This system can be selected arbitrarily some or multiple speed according to device requirement, also can in certain section of stroke, switch respectively according to demand the flow direction that hydraulic directional valve controls hydraulic pressure to obtain multiple speed.This utility model is compared and is obtained the flow of the increasing system oil pump of taking at a high speed in the past or reduce corresponding piston and diameter of cylinder (reducing sectional area), has following advantage: 1, energy-conservation, efficient.2, on the basis of particular cylinder block diameter, can conveniently obtain at a high speed, than single differential circuit in the past, have more speed to select, to meet client's multiple rate request.
Above embodiment is only for illustrating the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (2)
1. a multistage speed injection system, is characterized in that, described injection system comprises:
Cylinder body, it comprises oil cylinder ante-chamber and oil cylinder back cavity, and described oil cylinder ante-chamber is provided with oil-out, and described oil cylinder back cavity is provided with the first oil-in and the second oil-in;
Piston rod, it is located in described cylinder body, and described piston rod inside is provided with endoporus, and the radial section of the piston of described piston rod amasss as S1, and the radial section of endoporus amasss as S2, S1>S2;
Accelerated beam hanger, described piston rod inside is located in its one end, and the described beam hanger inside of accelerating is provided with oil-through hole, and described oil-through hole is communicated with described endoporus;
Oil feed line system, it is for to described cylinder body supply hydraulic fluid.
2. injection system as claimed in claim 1, it is characterized in that, described oil feed line system comprises: fuel-displaced unit, oil-feed unit, between described fuel-displaced unit and described oil-out, be provided with fuel-displaced pipeline, between described oil-feed unit and described the first oil-in, be provided with the first in-line, between described oil-feed unit and described the second oil-in, be provided with the second in-line, between described fuel-displaced pipeline and described the first in-line, be provided with the first bypass line, between described the first bypass line and the second in-line, be provided with the second bypass line;
Wherein, between the junction TC of fuel-displaced pipeline and the first bypass line and fuel-displaced unit, be provided with hydraulic directional valve V1, between the junction CA of the first bypass line and the second bypass line and the first bypass line and the junction AP of the first in-line, be provided with hydraulic directional valve V2, between the junction CA of the first bypass line and the second bypass line and the second bypass line and the junction PB of the second in-line, be provided with hydraulic directional valve V3, between the junction AP of the first bypass line and the first in-line and the first in-line and the junction PA of the second in-line, be provided with hydraulic directional valve V4, between the junction PA of the first in-line and the second in-line and the second bypass line and the junction PB of the second in-line, be provided with hydraulic directional valve V5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862992.XU CN203843131U (en) | 2013-12-25 | 2013-12-25 | Multistage-speed injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862992.XU CN203843131U (en) | 2013-12-25 | 2013-12-25 | Multistage-speed injection system |
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| Publication Number | Publication Date |
|---|---|
| CN203843131U true CN203843131U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862992.XU Expired - Fee Related CN203843131U (en) | 2013-12-25 | 2013-12-25 | Multistage-speed injection system |
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| Country | Link |
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| CN (1) | CN203843131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736959A (en) * | 2013-12-25 | 2014-04-23 | 苏州三基铸造装备股份有限公司 | Multi-stage speed injection system |
-
2013
- 2013-12-25 CN CN201320862992.XU patent/CN203843131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736959A (en) * | 2013-12-25 | 2014-04-23 | 苏州三基铸造装备股份有限公司 | Multi-stage speed injection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |