CN105465457B - A kind of evacuated die-casting process system - Google Patents
A kind of evacuated die-casting process system Download PDFInfo
- Publication number
- CN105465457B CN105465457B CN201511029335.7A CN201511029335A CN105465457B CN 105465457 B CN105465457 B CN 105465457B CN 201511029335 A CN201511029335 A CN 201511029335A CN 105465457 B CN105465457 B CN 105465457B
- Authority
- CN
- China
- Prior art keywords
- valve
- oil cylinder
- valve rod
- casting process
- connector
- 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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Links
- 238000004512 die casting Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003921 oil Substances 0.000 claims description 74
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 239000004411 aluminium Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
-
- 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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of evacuated die-casting process system, including the vacuum valve with valve rod and valve element, vacuum valve have the open mode of valve rod stretching and the closed mode of valve rod retraction；The base that vacuum valve is fixed；The oil cylinder of vacuum valve is driven, the output of oil cylinder is connected with connector, the end face of the end connection connector of the valve rod；Rapid-closing device, the moment of closed mode is switched to from open mode in valve rod, direct or indirect applies active force to connector, so that valve rod quick closedown.The evacuated die-casting process system of the present invention includes rapid-closing device, the moment of closed mode is switched to from open mode in valve rod of vacuum valve, rapid-closing device it is direct or indirect active force is applied to connector, therefore valve rod quick closedown can be made, avoid the problem of aluminium liquid that vacuum valve closing velocity not enough rapidly results in enters valve element so that whole evacuated die-casting process system operation is stable, reliable.Present invention can apply to evacuated die-casting process.
Description
Technical field
The present invention relates to die casting field, more particularly to a kind of evacuated die-casting process system.
Background technology
New-energy automobile structural member is due to its special performance requirement, it is necessary to is produced using high vacuum high-pressure casting
The product come by heat treatment or other aid in treatment modes, can reach its high performance requirements again.Just because of this product
Characteristic, it is desirable to which the mould for producing this product must carry vacuum valve device, and traditional vacuum valve device is usually to use
Hydraulic jack is driven to control the folding of vacuum valve to close.The general at least both sides defect of this structure：First, oil cylinder
Continuously being worked with the connector of vacuum valve can wear after a period of time, cause vacuum valve to be closed not in place, so as to cause aluminium liquid to be entered
Entering valve body causes to block evacuation passageway；Second, vacuum valve from open mode switch to closed mode when, due in valve in true
Dummy status, oil cylinder needs the very big power of raising could be by its quick closedown, but the power of oil cylinder is not that energy is very fast
It is transferred in the valve rod of vacuum valve, such vacuum valve closing time is longer, and aluminium liquid can also enter in valve body.
The content of the invention
In order to solve the above problems, reliable and stable evacuated die-casting process system is operated it is an object of the invention to provide a kind of.
The technical solution adopted in the present invention is：
A kind of evacuated die-casting process system, including the vacuum valve with valve rod and valve element, vacuum valve have the opening that valve rod stretches out
The closed mode that state and valve rod are retracted；
The base that vacuum valve is fixed；
The oil cylinder of vacuum valve is driven, the output of oil cylinder is connected with connector, the end of the end connection connector of the valve rod
Face；
Rapid-closing device, the moment of closed mode is switched to from open mode in valve rod, it is direct or indirect to connection
Device applies active force, so that valve rod quick closedown.
As a further improvement on the present invention, the rapid-closing device include the first ring, the second ring, in the first ring with
Spring between second ring, first ring set are connected on valve rod outer wall and are connected to connector ends, and second ring set is connected on
Valve rod outer wall simultaneously connects spool end, and the spring is set in stem outer circumference, and the both ends of spring connect the first ring and second respectively
The end face of ring.
As a further improvement on the present invention, the rapid-closing device acts on the hydraulic oil into oil cylinder, so as between
Connect and active force is applied to connector.
As a further improvement on the present invention, the rapid-closing device includes control block, distributing valve and accumulator, described
Control block is provided with total oil inlet, total oil-out, pressurization mouth and the oil cylinder interface for connecting oil cylinder, and the distributing valve has pressure
Oil inlet, inlet port and actuator port, the oil cylinder interface connect with actuator port, and total oil-out connects with inlet port
Logical, total oil inlet is connected with pressure oil inlet by the oil inlet passage being arranged in control block, the oil inlet passage connection
Pressurizeed mouth, and the accumulator is connected on pressurization mouth, and non-return valve is circumscribed with total oil inlet.
As a further improvement on the present invention, the oil cylinder outer wall is provided with cooling-part.
As a further improvement on the present invention, the cavity for accommodating valve element is provided with the base, valve is provided with the base
The taking-up passage of core.
As a further improvement on the present invention, the susceptor surface is provided with groove, and the valve element is contained in groove, described
Valve element outer wall is provided with outward flange, and removable in the groove to be provided with briquetting, the outward flange is by the bottom of briquetting and groove
Clamped by end face, the groove forms the taking-up passage of valve element.
The beneficial effects of the invention are as follows：The evacuated die-casting process system of the present invention includes rapid-closing device, in vacuum valve valve
Bar switches to the moment of closed mode from open mode, rapid-closing device it is direct or indirect active force is applied to connector,
Therefore valve rod quick closedown can be made, avoids the problem of aluminium liquid that vacuum valve closing velocity not enough rapidly results in enters valve element, make
It is stable, reliable to obtain whole evacuated die-casting process system operation.
Brief description of the drawings
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the connection status schematic diagram of vacuum valve and oil cylinder in first embodiment；
Fig. 2 is the diagrammatic cross-section that vacuum valve is connected with oil cylinder in first embodiment；
Fig. 3 is the structural representation of second embodiment rapid-closing device；
Fig. 4 is the schematic diagram of second embodiment rapid-closing device；
Fig. 5 is the assembling schematic diagram of valve element and base；
Fig. 6 is the assembling schematic diagram of briquetting and valve element；
Fig. 7 is briquetting and the decomposing schematic representation of valve element assembling.
Embodiment
Referring to figs. 1 to the evacuated die-casting process system in embodiment illustrated in fig. 5, including the vacuum valve with valve rod 11 and valve element 12
1.The vacuum valve 1 has open mode and closed mode, at which when open mode, valve rod 11 stretch out by the inside of valve element 12 with
External world's connection, at which when closed mode, valve rod 11 is retracted valve element 12 and outer closures.Evacuated die-casting process system also includes oil
Cylinder 3, for driving the opening and closing of vacuum valve 1, the output shaft of oil cylinder 3 stretches out to be opened corresponding to vacuum valve 1, and the contracting of the output shaft of oil cylinder 3 is corresponding
Closed in vacuum valve 1, be connected to connector 4 in the output axle thread of oil cylinder 3, the end of valve rod 11 is fixedly connected on connector 4
On end face.
Evacuated die-casting process system also includes rapid-closing device, switches to the wink of closed mode from open mode in valve rod 11
Between, can be directly or indirectly to connector 4 apply active force so that the quick closedown of valve rod 11.
With reference to the first embodiment of figure 1 and Fig. 2, rapid-closing device includes the first ring 51, the second ring 52 and in the
Spring 53 between one ring 51 and the second ring 52.First ring 51 is socketed in the outer wall of the bottom of valve rod 11, and its bottom is connected to connection
The end face of device 4, the second ring 52 are socketed in the outer wall at the middle part of valve rod 11, its top connection valve element 12 end face, and spring 53 is set in valve rod
11 peripheries, the both ends of spring 53 connect the end face of the first ring 51 and the second ring 52 respectively.When the driving stem 11 of oil cylinder 3 is stretched out, bullet
Spring 53 is compressed and stores larger elastic force, and when oil cylinder 3, which switches to driving stem 11, retracts, spring 53 is applied to connector 4
Add a downward elastic force, the pulling force that the elastic force is retracted with oil cylinder 3 to valve rod 11 acts on connector 4 simultaneously, transmitted by connector 4
Power is to valve rod 11, so as to which driving stem 11 is quickly closed.
It the rapid-closing device of the present embodiment, can not only play a part of closing vacuum valve 1 rapidly, and because provide true
The power that empty valve 1 is closed is provided by elastic force so that oil cylinder output end reduces to the active force of connector 4, valve rod 11, because
This, the problem of abrasion between oil cylinder output end and connector 4 also mitigates significantly, and vacuum valve 1 is not closed completely, also obtains greatly
Alleviate.
Second embodiment as shown in Figure 3 and Figure 4, rapid-closing device act on the hydraulic oil into oil cylinder 3, so as between
Connect and active force is applied to connector 4.
Specifically, rapid-closing device includes control block 61, distributing valve 62 and accumulator 63.Control block 61 is provided with total
Oil inlet 611, total oil-out 612, pressurization mouth 613 and the oil cylinder interface 614 for connecting oil cylinder in vacuum valve.Wherein, total oil-feed
Mouth 611 can connect outside hydraulic system 69 with total oil-out 612 by pipeline, and oil cylinder interface 614 can connect institute by pipeline
The oil cylinder 3 stated.
Described distributing valve 62 has pressure oil inlet P, inlet port T and actuator port A, wherein, oil cylinder interface 614 with
Actuator port A is connected, and total oil-out 612 connects with inlet port T.Described total oil inlet 611 passes through setting with pressure oil inlet P
Oil inlet passage 64 in control block 61 connects, and the connection pressurization mouth 613 of oil inlet passage 64, accumulator 63 is connected to pressurization mouth 613
On, also it is circumscribed with non-return valve 65 on total oil inlet 611.
In press casting procedure, the fluid in hydraulic system 69 enters control block 61 from non-return valve 65 and total oil inlet 611 first
Interior, now distributing valve 62 is closed, simultaneously because fluid can not flow back, fluid enters accumulator 63 in pressurization mouth 613
And store oil pressure；The moment of high pressure injection, distributing valve 62 control actuator port A to open, and the pressure that accumulator 63 stores passes through
Fluid moment from actuator port A and oil cylinder interface 614 is entered, so as to which oil pressure is supplied into oil cylinder, control cylinder output shaft it is fast
Speed is stretched out and the quick closedown of vacuum valve, so as to improve the response speed of vacuum valve, ensures the accuracy of its running.
Accumulator 63 is diaphragm accumulator, utilizes nitrogen storage pressure.Distributing valve 62 is arranged in control block 61, and oil cylinder connects
Mouth 614 is connected with actuator port A by the oil transportation channel 67 being arranged in control block 61, and total oil-out 612 passes through with inlet port T
The drainback passage 68 being arranged in control block 61 connects.Above-mentioned oil transportation channel 67, drainback passage 68 and the phase of oil inlet passage 64
Mutually separate and it is non-interference, only connected by distributing valve 62.
Oil cylinder interface 614 and distributing valve 62 both sides that to be separately positioned on control block 61 relative, can so cause oil transportation to lead to
The distance in road 67 is shorter, and can reduce bending, so as to reduce the loss of pressure.
Only have an oil cylinder in the present embodiment, therefore only need an actuator port.But in other cases, oil cylinder
And perhaps vacuum valve has multiple, now control block 61 is provided with least two oil cylinder interfaces 614, can be with external more than two oil
Cylinder and corresponding vacuum valve, so as to be controlled to more than two vacuum valves.
Further, distributing valve 62 is provided with least two actuator ports, is actuator port A, B respectively, each actuator port is extremely
An oil cylinder interface 614 is connected less, and different operating hydraulic fluid port A switching can be controlled by distributing valve 62, it is different so as to control
Oil cylinder and vacuum valve.
Further, distributing valve 62 is two-position four-way valve, has two actuator ports A, B, and control block 61 has 4 pressurization mouths
613, each actuator port controls 2 pressurization mouths 613.
In the above-described embodiment, cooling-part 7 is provided with reference to figure 1 and Fig. 2, the outer wall of oil cylinder 3, water cooling is carried out to oil cylinder 3.
With reference to figure 5 to Fig. 7, vacuum valve 1 is fixed in a base 2, accordingly, the sky for accommodating valve element 12 is provided with base 2
Chamber, the taking-up passage of valve element 12 is additionally provided with base 2, namely described vacuum valve 1 can take out out of base 2, it is so very big
The installation and removal for facilitating vacuum valve 1.
Specifically, groove 21 is provided with reference to figure 5, the upper surface of base 2, valve element 12 is contained in groove 21, and valve element 12 can
To be taken out at the upper end open of groove 21.With reference to figure 5 to Fig. 7, the outer wall of valve element 12 is provided with outward flange 121, the outward flange
121 only exist and in a part for the circumference of valve element 12, also removable in groove 21 to be provided with briquetting 8, briquetting 8 is connected by bolt
It is connected in the groove 21 of base 2.Outward flange 121 is clamped by the bottom face of briquetting 8 and groove 21, so as to which valve element 12 be fixed.
In the above-described embodiment, described groove 21 forms the taking-up passage of valve element 12.
The simply preferred embodiment of the present invention described above, it does not form limiting the scope of the invention.
Claims (4)
- A kind of 1. evacuated die-casting process system, it is characterised in that：Including the vacuum valve (1) with valve rod (11) and valve element (12), vacuum valve (1) has the open mode that valve rod (11) stretches out And the closed mode that valve rod (11) is retracted；By the base (2) that vacuum valve (1) is fixed；The oil cylinder (3) of vacuum valve (1) is driven, the output of oil cylinder (3) is connected with connector (4), and the end of the valve rod (11) connects The end face of connecting connector (4)；Rapid-closing device, the moment of closed mode is switched to from open mode in valve rod (11), indirectly connector (4) is applied Add active force, so that valve rod (11) quick closedown；The rapid-closing device includes control block (61), distributing valve (62) and accumulator (63), is set on the control block (61) There is the oil cylinder interface (614) of total oil inlet (611), total oil-out (612), pressurization mouth (613) and connection oil cylinder (3), it is described Distributing valve (62) has pressure oil inlet, inlet port and actuator port, and the oil cylinder interface (614) connects with actuator port, Total oil-out (612) connects with inlet port, and total oil inlet (611) is with pressure oil inlet by being arranged on control block (61) the oil inlet passage connection in, the oil inlet passage connection pressurization mouth (613), the accumulator (63) are connected to pressurization mouth (613) on, non-return valve (65) is circumscribed with total oil inlet (611), the rapid-closing device is acted on into oil cylinder (3) Hydraulic oil, so as to indirectly to connector (4) apply active force.
- 2. evacuated die-casting process system according to claim 1, it is characterised in that：Oil cylinder (3) outer wall is provided with cooling-part (7)。
- 3. evacuated die-casting process system according to claim 2, it is characterised in that：It is provided with the base (2) and accommodates valve element (12) cavity, the interior taking-up passage for being provided with valve element (12) of the base (2).
- 4. evacuated die-casting process system according to claim 3, it is characterised in that：Base (2) surface is provided with groove (21), The valve element (12) is contained in groove (21), and valve element (12) outer wall is provided with outward flange (121), and the groove (21) is interior Removable to be provided with briquetting (8), the outward flange (121) is described recessed clamped by the bottom face of briquetting (8) and groove (21) Groove (21) forms the taking-up passage of valve element (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029335.7A CN105465457B (en) | 2015-12-30 | 2015-12-30 | A kind of evacuated die-casting process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029335.7A CN105465457B (en) | 2015-12-30 | 2015-12-30 | A kind of evacuated die-casting process system |
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| Publication Number | Publication Date |
|---|---|
| CN105465457A CN105465457A (en) | 2016-04-06 |
| CN105465457B true CN105465457B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511029335.7A Active CN105465457B (en) | 2015-12-30 | 2015-12-30 | A kind of evacuated die-casting process system |
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| CN (1) | CN105465457B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480596A (en) * | 2018-05-22 | 2018-09-04 | 宁波北仑益鸣企业管理服务有限公司 | A kind of vacuum valve air extractor for die casting |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825484B (en) * | 2016-12-28 | 2018-10-16 | 宁波臻至机械模具有限公司 | It is a kind of to vacuumize lateral pressing structure of shoe for manufacture water cooling clutch housing |
| CN117086281B (en) * | 2023-09-01 | 2024-02-06 | 宁波赛维达技术股份有限公司 | Vacuum valve quick-change mechanism for die-casting die and die-casting die |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979917A (en) * | 2012-11-05 | 2013-03-20 | 华中科技大学 | Vacuum stop valve and hydraulic drive device and vacuumizing device formed by vacuum stop valve and hydraulic drive device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4986338A (en) * | 1988-05-16 | 1991-01-22 | Ryobi Ltd. | Gas venting arrangement in high speed injection molding apparatus and method for venting gas in the high speed injection molding apparatus |
| ATE343443T1 (en) * | 2001-09-21 | 2006-11-15 | Fondarex Sa | VENT VALVE DEVICE FOR CASTING MOLDS |
| JP4063223B2 (en) * | 2003-05-16 | 2008-03-19 | トヨタ自動車株式会社 | Electromagnetically driven die casting pressure reducing valve, driving method thereof, and die casting apparatus |
| CN203292457U (en) * | 2013-05-14 | 2013-11-20 | 广州有色金属集团有限公司 | Liquid forging vacuum system |
| CN203421266U (en) * | 2013-07-22 | 2014-02-05 | 中国航天科技集团公司第六研究院第十一研究所 | Vacuum shutoff valve |
| CN205315820U (en) * | 2015-12-30 | 2016-06-15 | 广州市型腔模具制造有限公司 | Vacuum die casting system |
-
2015
- 2015-12-30 CN CN201511029335.7A patent/CN105465457B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979917A (en) * | 2012-11-05 | 2013-03-20 | 华中科技大学 | Vacuum stop valve and hydraulic drive device and vacuumizing device formed by vacuum stop valve and hydraulic drive device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480596A (en) * | 2018-05-22 | 2018-09-04 | 宁波北仑益鸣企业管理服务有限公司 | A kind of vacuum valve air extractor for die casting |
| CN108480596B (en) * | 2018-05-22 | 2020-03-31 | 宁波北仑益鸣企业管理服务有限公司 | Vacuum valve air exhaust device for die casting die |
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| Publication number | Publication date |
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| CN105465457A (en) | 2016-04-06 |
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Denomination of invention: A vacuum die casting system Effective date of registration: 20210818 Granted publication date: 20171212 Pledgee: Dongshan Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU DIE AND MOULD MANUFACTURING Co.,Ltd. Registration number: Y2021440000267 |
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Date of cancellation: 20220902 Granted publication date: 20171212 Pledgee: Dongshan Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU DIE AND MOULD MANUFACTURING Co.,Ltd. Registration number: Y2021440000267 |