CN105697797B - Control valve for vacuum-pumping type compression mod - Google Patents
Control valve for vacuum-pumping type compression mod Download PDFInfo
- Publication number
- CN105697797B CN105697797B CN201610156041.9A CN201610156041A CN105697797B CN 105697797 B CN105697797 B CN 105697797B CN 201610156041 A CN201610156041 A CN 201610156041A CN 105697797 B CN105697797 B CN 105697797B
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- CN
- China
- Prior art keywords
- oil cylinder
- vertical core
- oil
- bleed
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1223—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
Abstract
The invention discloses a kind of control valves for vacuum-pumping type compression mod, and the first bleed-off passage, the front end face of the front end perforation evacuating plate of the first bleed-off passage are offered on evacuating plate；The front and rear part of evacuating plate opens up the first vertical core and the second vertical core respectively, the rear end of evacuating plate is provided with cross-drilled hole, the front port of the cross-drilled hole is connected to the second vertical core, the first oil cylinder and the second oil cylinder is arranged side by side in the lower section of evacuating plate, the piston rod of first oil cylinder is protruded into straight up in the first vertical core, the piston rod of second oil cylinder is protruded into straight up in the second vertical core, and it is connect with spool, spool can move up and down under the drive of the second cylinder piston rod, and the access between the first bleed-off passage and cross-drilled hole is made to disconnect or be connected.The present invention can guarantee that mold cavity filling overall process vacuumizes, and structure is simple, it is easy, at low cost to implement, and not only high degree of automation, accurate reliability are good, but also fault-free generates, and effectively increases production efficiency.
Description
Technical field
The invention belongs to technical field of mold, specifically, in particular to a kind of control for vacuum-pumping type compression mod
Valve.
Background technique
Currently, the processing of the products such as crankcase, gearbox generallys use vacuum-pumping type compression mod to realize, which is taken out
The opportunity of vacuum is controlled by vacuum valve.Traditional washboard is board-like or industry universal vacuum valve is primarily present deficiency below：
1, pumping sectional area is too small, cannot reach complete pumping within the short time (30-80ms) that molten aluminum fills mold cavity
The purpose of type intracavity gas out, if increasing section product, molten aluminum, which is easily run, causes plugging fault in pump-line.
2, the shut-in time of vacuum valve is difficult to control, and closes and does not achieve the purpose that very much to fill the pumping of type overall process, Bu Nengshi early
The effect now vacuumized；Close will lead to molten aluminum and enter in pump-line too late causes line clogging failure.
3, traditional vacuum valve failure-frequency is high, has seriously affected production efficiency.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide one kind for vacuumizing
The control valve of formula compression mod.
Technical solution of the present invention is as follows：A kind of control valve for vacuum-pumping type compression mod, it is characterised in that：In evacuating plate
On offer the first bleed-off passage extended from front to back, the front end face of the front end perforation evacuating plate of first bleed-off passage；
It is provided with the first vertical core in the front of the evacuating plate, the upper port of first vertical core is communicated with the first bleed-off passage,
The bottom surface of the lower port perforation evacuating plate of first vertical core, is provided with the second vertical core at the rear portion of the evacuating plate, the second vertical core it is upper
Port is connected to the rear end of first bleed-off passage, the bottom surface of the lower port perforation evacuating plate of the second vertical core, the evacuating plate
Rear end be provided with cross-drilled hole, the front port of the cross-drilled hole is connected to the second vertical core, the rear end face of the rear port of cross-drilled hole perforation evacuating plate；
The first oil cylinder and the second oil cylinder is arranged side by side in the lower section of the evacuating plate, the rod chamber of the first oil cylinder passes through first
Oil duct is connected to the rod chamber of the second oil cylinder, and the rodless cavity of the first oil cylinder is connected by the rodless cavity of the second oil duct and the second oil cylinder
Logical, the piston rod of first oil cylinder is protruded into straight up in the first vertical core, and the piston rod of the second oil cylinder protrudes into the straight up
It in two vertical cores, and is connect with spool, the spool can move up and down under the drive of the second cylinder piston rod, make the first pumping
Access between channel and cross-drilled hole disconnects or conducting.
The side of mold is arranged in the present invention, and the second pumping that the front end of the first bleed-off passage is arranged by die top is logical
Road is connected to the type chamber of mold, and the rear port of cross-drilled hole is connect by pipeline with vacuum pumping pump.When molten aluminum fills mold cavity
It waits, vacuum pumping pump passes through the second bleed-off passage pair on cross-drilled hole, the second vertical core, the first bleed-off passage and the mold on evacuating plate
The type chamber of mold is vacuumized, after molten aluminum is full of mold cavity, molten aluminum along the second bleed-off passage on evacuating plate the
The flowing of one bleed-off passage, when molten aluminum flows through the first vertical core position, can apply downward pressure, automatically to the piston rod of the first oil cylinder
The piston rod for triggering the first oil cylinder moves downward, and using the principle of linker, the piston rod of the first oil cylinder is pushed by hydraulic oil
The piston rod of second oil cylinder moves upwards, and spool is made to close the access between the first bleed-off passage and cross-drilled hole.Since molten aluminum is touched
Mold cavity has been fully populated with when the piston rod of the first oil cylinder, to ensure that filling overall process vacuumizes, avoids biography
The problem of vacuum valve of uniting is difficult to control the shut-in time.
First bleed-off passage is the groove for being formed in evacuating plate upper surface, the groove be located at the first vertical core and the second vertical core it
Between part be snakelike or serpentine or " W " shape.Above the first bleed-off passage of structure moulding is simple, production easy to process, and first takes out
Gas channel can deepen, expand pumping area, while can extend the time that molten aluminum flows to the second vertical core from the first vertical core as far as possible, to keep away
Exempt from molten aluminum to enter in the second vertical core, to prevent the generation of failure.
Preferably, the rectangular chamber of front end dilatation of first bleed-off passage, which passes through multiple mutual
The second parallel bleed-off passage is connected to the type chamber of mold.
In order to simplify structure, production easy to process, first vertical core and the second vertical core are each perpendicular to the first bleed-off passage,
The cross-drilled hole is perpendicular to the second vertical core.
Preferably, first oil duct and the second oil duct are the linear structure being parallel to each other, each oil duct is each perpendicular to
The piston rod of first oil cylinder.
In order to keep structure more compact, the cylinder body of first oil cylinder and the cylinder body of the second oil cylinder are that co-walled formula is integrally tied
Structure opens up the first oil duct and the second oil duct on co-walled.
For the ease of assembly, the cylinder body of first oil cylinder and the cylinder body of the second oil cylinder are separate structure, the first oil cylinder
Cylinder body is connect by two oil pipes with the cylinder body of the second oil cylinder, and the inner hole of this two oil pipes is respectively formed as the first oil duct and second
Oil duct.
The beneficial effects of the invention are as follows：
1, mold cavity has been fully populated with when due to the piston rod of molten aluminum the first oil cylinder of touch, to ensure that filling
Overall process vacuumizes, and avoids the problem of traditional vacuum valve is difficult to control the shut-in time.
2, the bleed-off passage on evacuating plate can be deepened, expand pumping area, while can avoid molten aluminum and entering pump-line, from
And prevent the generation of failure.
3, the touch of the first cylinder piston rod is joined to key of the invention is divided between the shut-in time of the second cylinder piston rod
Number can be adjusted by the distance that molten aluminum between the diameter and two-piston bar of two cylinder piston rods flows, adjust operation side
Just, compression mod can be vacuumized suitable for various, use scope is extensive.
4, structure is simple, implements to be easy, is at low cost, controls the closing of pump-line not by other machinery component or electrical
Component provides power, and not only high degree of automation, accurate reliability are good, but also fault-free generates, and effectively increases production efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1 and the opening schematic diagram of pump-line.
Fig. 3 is the closing schematic diagram of pump-line.
Fig. 4 is top view of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples：
As shown in Figure 2, Figure 3 and Figure 4, mold 4 is to vacuumize compression mod, the 4 self-contained chamber 41 of mold, the shape of type chamber 41
Size is adapted with the product processed.The second bleed-off passage 42 is opened up at the top of mold 4, the second bleed-off passage 42 is preferably
It is formed in the groove of 4 top surface of mold, the second bleed-off passage 42 can be one, or what is be parallel to each other is multiple.Second takes out
One of gas channel 42 is connected to type chamber 41, the end face of the other end perforation mold 4 of the second bleed-off passage 42.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, evacuating plate 1 is installed on the side of mold 4, is offered on the evacuating plate 1 in the past
The first bleed-off passage 11 extended backward, the first bleed-off passage 11 is the groove for being formed in 1 upper surface of evacuating plate, and first is evacuated
Channel 11 and the second bleed-off passage 42 are preferably placed in same level.The rectangular chamber of front end dilatation of first bleed-off passage 11
15, which is connected to by the second bleed-off passage 42 with the type chamber 41 of mold 4.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, it is provided with the first vertical core 12 in the front of evacuating plate 1, first vertical core 12 is vertical
In the first bleed-off passage 11, the upper port of the first vertical core 12 penetrates through the bottom surface of the first bleed-off passage 11, makes the first vertical core 12 and the
One bleed-off passage 11 communicates, the bottom surface of the lower port perforation evacuating plate 1 of the first vertical core 12.Second is provided at the rear portion of evacuating plate 1
Vertical core 13, the second vertical core 13 are also perpendicularly to the first bleed-off passage 11, and the upper port of the second vertical core 13 penetrates through the first bleed-off passage 11
Bottom surface, be connected to the second vertical core 13 and the rear end of the first bleed-off passage 11, the lower port of the second vertical core 13 perforation evacuating plate 1
Bottom surface.Part of first bleed-off passage 11 between the first vertical core 12 and the second vertical core 13 be snakelike or serpentine or " W " shape or
Other suitable shape.It is provided with cross-drilled hole 14 in the rear end of evacuating plate 1, which is located at the back lower place of the first bleed-off passage 11,
Cross-drilled hole 14 is perpendicular to the second vertical core 13.The front port of cross-drilled hole 14 is connected to the second vertical core 13, and the rear port of cross-drilled hole 14 penetrates through pumping
The rear end face of plate 1, and connect by pipeline with vacuum pumping pump 3.
As shown in Figure 2, Figure 3 and Figure 4, the first oil cylinder 5 and the second oil cylinder 6, the first oil is arranged side by side in the lower section of evacuating plate 1
The rod chamber of cylinder 5 is connected to by the first oil duct 7 with the rod chamber of the second oil cylinder 6, and the rodless cavity of the first oil cylinder 5 passes through the second oil duct
8 are connected to the rodless cavity of the second oil cylinder 6, and the first oil duct 7 and the second oil duct 8 are the linear structure being parallel to each other, and each oil duct is equal
Perpendicular to the piston rod of the first oil cylinder 5.There are two types of the set-up modes of first oil cylinder 5 and the second oil cylinder 6, one：First oil cylinder 5
The cylinder body of cylinder body and the second oil cylinder 6 is co-walled formula integral structure, and the first oil duct 7 and the second oil duct 8 are opened up on co-walled；Secondly：
The cylinder body of the cylinder body of first oil cylinder 5 and the second oil cylinder 6 is separate structure, and the cylinder body of the first oil cylinder 5 passes through two oil pipes and second
The cylinder body of oil cylinder 6 connects, and the inner hole of this two oil pipes is respectively formed as the first oil duct 7 and the second oil duct 8.The work of first oil cylinder 5
Stopper rod is protruded into straight up in the first vertical core 12, and when the piston rod of the first oil cylinder 5 is located at highest point, top surface and the first pumping are logical
The bottom surface in road 11 is concordant.The piston rod of second oil cylinder 6 is protruded into the second vertical core 13 straight up, and is connect with spool 9, spool 9
It can move up and down under the drive of 6 piston rod of the second oil cylinder, disconnect the access between the first bleed-off passage 11 and cross-drilled hole 14
Or conducting.
Working principle of the present invention is as follows：
When molten aluminum fills mold cavity 41, vacuum pumping pump 3 by cross-drilled hole 14 on evacuating plate 1, the second vertical core 13,
The second bleed-off passage 42 on first bleed-off passage 11 and mold 4 vacuumizes the type chamber 41 of mold, when molten aluminum is full of
After mold cavity 41, molten aluminum is flowed along the first bleed-off passage 11 of second bleed-off passage 42 on evacuating plate 1, and molten aluminum flows through the
When one 12 position of vertical core, downward pressure, the piston rod of the first oil cylinder of automatic trigger 5 can be applied to the piston rod of the first oil cylinder 5
Move downward, using the principle of linker, the piston rod of the first oil cylinder 5 by hydraulic oil push the piston rod of the second oil cylinder 6 to
Upper movement makes spool 9 move to highest point, closes the access between the first bleed-off passage 11 and cross-drilled hole 14.It needs to reopen
When access between the first bleed-off passage 11 and cross-drilled hole 14, it need to only be equipped with a return mechanism and depress spool 9 and reset.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (5)
1. a kind of control valve for vacuum-pumping type compression mod, it is characterised in that：It offers on evacuating plate (1) and prolongs from front to back
The first bleed-off passage (11) stretched, the front end face of front end perforation evacuating plate (1) of first bleed-off passage (11)；
The first vertical core (12) are provided in the front of the evacuating plate (1), the upper port of first vertical core (12) and the first pumping are logical
Road (11) communicates, and the bottom surface of lower port perforation evacuating plate (1) of the first vertical core (12) is provided at the rear portion of the evacuating plate (1)
Second vertical core (13), the upper port of the second vertical core (13) are connected to the rear end of first bleed-off passage (11), the second vertical core
(13) bottom surface of lower port perforation evacuating plate (1), the rear end of the evacuating plate (1) are provided with cross-drilled hole (14), the cross-drilled hole (14)
Front port is connected to the second vertical core (13), the rear end face of rear port perforation evacuating plate (1) of cross-drilled hole (14)；
The first oil cylinder (5) and the second oil cylinder (6), the rod chamber of the first oil cylinder (5) is arranged side by side in the lower section of the evacuating plate (1)
Be connected to by the first oil duct (7) with the rod chamber of the second oil cylinder (6), the rodless cavity of the first oil cylinder (5) by the second oil duct (8) with
The rodless cavity of second oil cylinder (6) is connected to, and the piston rod of first oil cylinder (5) is protruded into straight up in the first vertical core (12), the
The piston rod of two oil cylinders (6) is protruded into straight up in the second vertical core (13), and is connect with spool (9), and the spool (9) is second
It can move up and down under the drive of oil cylinder (6) piston rod, disconnect the access between the first bleed-off passage (11) and cross-drilled hole (14)
Or conducting；
First bleed-off passage (11) is the groove for being formed in evacuating plate (1) upper surface, which is located at the first vertical core (12) and the
Part between two vertical cores (13) is snakelike or serpentine or " W " shape；
First vertical core (12) and the second vertical core (13) are each perpendicular to the first bleed-off passage (11), the cross-drilled hole (14) perpendicular to
Second vertical core (13).
2. the control valve for vacuum-pumping type compression mod as described in claim 1, it is characterised in that：First pumping is logical
The rectangular chamber of front end dilatation (15) in road (11).
3. the control valve as described in claim 1 or 2 is any for vacuum-pumping type compression mod, it is characterised in that：Described first
Oil duct (7) and the second oil duct (8) are the linear structure being parallel to each other, and each oil duct is each perpendicular to the piston rod of the first oil cylinder (5).
4. being used for the control valve of vacuum-pumping type compression mod as claimed in claim 3, it is characterised in that：First oil cylinder (5)
Cylinder body and the second oil cylinder (6) cylinder body be co-walled formula integral structure, the first oil duct (7) and the second oil duct are opened up on co-walled
(8)。
5. being used for the control valve of vacuum-pumping type compression mod as claimed in claim 3, it is characterised in that：First oil cylinder (5)
Cylinder body and the cylinder body of the second oil cylinder (6) be separate structure, the cylinder body of the first oil cylinder (5) passes through two oil pipes and the second oil cylinder
(6) cylinder body connection, the inner hole of this two oil pipes are respectively formed as the first oil duct (7) and the second oil duct (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156041.9A CN105697797B (en) | 2016-03-18 | 2016-03-18 | Control valve for vacuum-pumping type compression mod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156041.9A CN105697797B (en) | 2016-03-18 | 2016-03-18 | Control valve for vacuum-pumping type compression mod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105697797A CN105697797A (en) | 2016-06-22 |
| CN105697797B true CN105697797B (en) | 2018-11-20 |
Family
ID=56231348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610156041.9A Active CN105697797B (en) | 2016-03-18 | 2016-03-18 | Control valve for vacuum-pumping type compression mod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105697797B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704619A (en) * | 2017-02-23 | 2017-05-24 | 广州市型腔模具制造有限公司 | Pneumatic vacuum valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57152362A (en) * | 1981-03-13 | 1982-09-20 | Nissan Motor Co Ltd | Valve device for gas venting passage in die casting machine |
| JPS62151258A (en) * | 1985-12-26 | 1987-07-06 | Aisan Ind Co Ltd | Venting device for die |
| DE20016166U1 (en) * | 2000-09-01 | 2000-12-28 | Gauermann Joerg | Vacuum device for die casting systems |
| US6513569B1 (en) * | 2001-11-02 | 2003-02-04 | Chun Hsien Li | Vacuum valve for die casting machine |
| CN204003697U (en) * | 2014-07-23 | 2014-12-10 | 中联重科股份有限公司 | Hydraulic system of pump and pumping equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9704564L (en) * | 1997-12-08 | 1999-06-09 | Ulf Liljeqvist | Block with metal channels for vacuum clock |
-
2016
- 2016-03-18 CN CN201610156041.9A patent/CN105697797B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57152362A (en) * | 1981-03-13 | 1982-09-20 | Nissan Motor Co Ltd | Valve device for gas venting passage in die casting machine |
| JPS62151258A (en) * | 1985-12-26 | 1987-07-06 | Aisan Ind Co Ltd | Venting device for die |
| DE20016166U1 (en) * | 2000-09-01 | 2000-12-28 | Gauermann Joerg | Vacuum device for die casting systems |
| US6513569B1 (en) * | 2001-11-02 | 2003-02-04 | Chun Hsien Li | Vacuum valve for die casting machine |
| CN204003697U (en) * | 2014-07-23 | 2014-12-10 | 中联重科股份有限公司 | Hydraulic system of pump and pumping equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105697797A (en) | 2016-06-22 |
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Address after: 402761 A, No. 60, long Qing Road, Qinggang street, Bishan District, Chongqing. Patentee after: CHONGQING RUITONG SEIKO TECHNOLOGY CO.,LTD. Address before: No. 60, dragon green road, Qingqian street, Bishan District, Chongqing Patentee before: CHONGQING RUITONG INDUSTRIAL CO.,LTD. |