CN205519570U - Die mould evacuating plate structure - Google Patents
Die mould evacuating plate structure Download PDFInfo
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- CN205519570U CN205519570U CN201620211031.6U CN201620211031U CN205519570U CN 205519570 U CN205519570 U CN 205519570U CN 201620211031 U CN201620211031 U CN 201620211031U CN 205519570 U CN205519570 U CN 205519570U
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- vertical core
- bleed
- evacuating plate
- passage
- evacuating
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Abstract
The utility model discloses a die mould evacuating plate structure offers the first bleed -off passage that in the past backward extends on the evacuating plate, the front end of first bleed -off passage has a perfect understanding the preceding terminal surface of evacuating plate, open the front portion of evacuating plate has first vertical core, and the last port and the first bleed -off passage of this first vertical core communicate with each other, and the lower port of first vertical core has a perfect understanding the bottom surface of evacuating plate open at the rear portion of evacuating plate has the second vertical core, the last port of second vertical core and the rear end of first bleed -off passage intercommunication, the lower port of second vertical core have a perfect understanding the bottom surface of evacuating plate, open the rear end of evacuating plate has the cross bore, the preceding port and the second vertical core intercommunication of this cross bore, and the back port of cross bore has a perfect understanding the rear end face of evacuating plate. The utility model discloses the molding is simple, easily processing preparation, easy with the combination of the formula double oil cylinder of UNICOM to the vacuum valve degree of automation height, the reliability that constitute are good, and trouble -free production has moreover effectively improved production efficiency, can guarantee that the mould fills the overall process evacuation.
Description
Technical field
This utility model belongs to technical field of mold, specifically, bleeds particularly to a kind of compression mod and hardens
Structure.
Background technology
At present, the processing of the product such as crankcase, change speed gear box generally uses vacuum-pumping type compression mod to realize, should
The opportunity of casting die vacuumizing is by vacuum valve control.Tradition washboard is board-like or industry universal vacuum valve is primarily present
Following deficiency:
1, sectional area of bleeding is the least, it is impossible to reach within the short time (30-80ms) of aluminum liquid filling mold cavity
To being fully drawn out the purpose of type intracavity gas, if increasing section amasss, aluminum liquid causes in easily running pump-line
Plugging fault.
2, the shut-in time of vacuum valve is difficult to control to, and closes and too early does not reaches to fill the purpose that type overall process is bled,
The effect of evacuation can not be realized；Close and aluminum liquid can be caused too late in entering pump-line, to cause line clogging event
Barrier.
3, traditional vacuum valve failure-frequency is high, has had a strong impact on production efficiency.
Utility model content
Because the drawbacks described above of prior art, technical problem to be solved in the utility model is to provide one
Compression mod evacuating plate structure.
Technical solutions of the utility model are as follows: a kind of compression mod evacuating plate structure, it is characterised in that: bleeding
Offering the first bleed-off passage extended from front to back on plate, the front end of described first bleed-off passage is through bleeds
The front end face of plate；The first vertical core is had, the upper port of this first vertical core and first in the front portion of described evacuating plate
Bleed-off passage communicates, the bottom surface of the through evacuating plate of lower port of the first vertical core, opens at the rear portion of described evacuating plate
The second vertical core, the upper port of the second vertical core is had to connect with the rear end of described first bleed-off passage, the second vertical core
The bottom surface of the through evacuating plate of lower port, the rear end of described evacuating plate has cross-drilled hole, the front port of this cross-drilled hole and
Two vertical core connections, the rear end face of the through evacuating plate of rear port of cross-drilled hole.
Form vacuum valve together with the double oil cylinder of this utility model and communication type, be arranged side by side the in the lower section of evacuating plate
One oil cylinder and the second oil cylinder, the rod chamber of the first oil cylinder is connected by the rod chamber of the first oil duct and the second oil cylinder,
The rodless cavity of the first oil cylinder is connected by the rodless cavity of the second oil duct and the second oil cylinder, the piston rod of the first oil cylinder
Stretching in the first vertical core straight up, the piston rod of the second oil cylinder stretches in the second vertical core straight up, and with
Spool connect, spool can move up and down under the drive of the second cylinder piston rod, make the first bleed-off passage with
Path between cross-drilled hole disconnects or conducting.
The second bleed-off passage that the front end of the first bleed-off passage on evacuating plate is arranged by die top and mould
Die cavity connection, the rear port of cross-drilled hole is connected with described vacuum pumping pump by pipeline.At aluminum liquid filling mould type
The when of chamber, vacuum pumping pump is by cross-drilled hole, the second vertical core, the first bleed-off passage and the mould on evacuating plate
On the second bleed-off passage the die cavity of mould is carried out evacuation, after aluminum liquid is full of mold cavity, aluminum liquid edge
The second bleed-off passage on evacuating plate first bleed-off passage flowing, aluminum liquid stream when the first vertical core position,
The piston rod of the first oil cylinder can be applied downward pressure, the piston rod automatically triggering the first oil cylinder moves downward,
The principle of linker, the piston rod of the first oil cylinder is utilized to promote the piston rod of the second oil cylinder upwards by hydraulic oil
Motion, makes spool close the path between the first bleed-off passage and cross-drilled hole.Owing to aluminum liquid touches the first oil cylinder
During piston rod, mold cavity is fully populated with, thus ensure that filling overall process evacuation, it is to avoid pass
The problem that system vacuum valve is difficult to control to the shut-in time.
First bleed-off passage is the groove being formed at evacuating plate upper surface, and this groove is positioned at the first vertical core and second
Part between vertical core is snakelike or serpentine or " W " shape.The the first bleed-off passage moulding of above structure is simple,
Being prone to processing and fabricating, the first bleed-off passage can deepen, expand area of bleeding, can extend simultaneously as far as possible aluminum liquid from
First vertical core flows to the time of the second vertical core, to avoid aluminum liquid to enter in the second vertical core, thus prevents fault
Occur.
As preferably, the rectangular chamber of front end dilatation of described first bleed-off passage, this rectangular chamber is by many
Individual the second bleed-off passage being parallel to each other connects with the die cavity of mould.
In order to simplify structure, it is simple to processing and fabricating, described first vertical core and the second vertical core are each perpendicular to first and take out
Gas passage, described cross-drilled hole is perpendicular to the second vertical core.
The beneficial effects of the utility model are:
1, moulding is simple, be prone to processing and fabricating and communication type double oil cylinder combination is easy, and the vacuum formed
Valve automaticity is high, accurate reliability is good, and fault-free produces, and is effectively increased production efficiency.
2, due to when aluminum liquid touches the piston rod of the first oil cylinder mold cavity be fully populated with, thus ensure
Filling overall process evacuation, it is to avoid the problem that traditional vacuum valve is difficult to control to the shut-in time.
3, the bleed-off passage on evacuating plate can be deepened, expand area of bleeding, and aluminum liquid can be avoided simultaneously to enter and bleed
Pipeline, thus prevent the generation of fault.
4, the shake-up of the first cylinder piston rod is spaced apart this utility model to the shut-in time of the second cylinder piston rod
Key parameter, can be by the dynamic distance of aluminum liquid stream between the diameter of two cylinder piston rods and two-piston bar
Adjust, adjust easy to operate, it is possible to being applicable to various evacuation compression mod, range is extensive.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one detailed description of the invention.
Fig. 2 is the A-A sectional view of Fig. 1, be also pump-line open schematic diagram.
Fig. 3 is the closedown schematic diagram of pump-line.
Fig. 4 is top view of the present utility model.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
As shown in Figure 2, Figure 3 and Figure 4, mould 4 is evacuation compression mod, and this mould 4 carries die cavity 41,
The shape size of die cavity 41 adapts with the product processed.The second bleed-off passage is offered at the top of mould 4
42, the second bleed-off passage 42 preferably forms in the groove of mould 4 end face, and the second bleed-off passage 42 is permissible
It it is one, it is also possible to multiple for be parallel to each other.One of second bleed-off passage 42 connects with die cavity 41,
The end face of the through mould in other end 4 of the second bleed-off passage 42.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, evacuating plate 1, this evacuating plate are installed on the side of mould 4
Offering the first bleed-off passage 11 extended from front to back on 1, the first bleed-off passage 11 is for being formed at evacuating plate
The groove of 1 upper surface, and the first bleed-off passage 11 and the second bleed-off passage 42 be preferably placed in same level.
The rectangular chamber of front end dilatation 15 of the first bleed-off passage 11, this rectangular chamber 15 is by the second bleed-off passage
42 connect with the die cavity 41 of mould 4.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, having the first vertical core 12 in the front portion of evacuating plate 1, this is years old
One vertical core 12 is perpendicular to the first bleed-off passage 11, through first bleed-off passage 11 of upper port of the first vertical core 12
Bottom surface, make the first vertical core 12 communicate with the first bleed-off passage 11, the lower port of the first vertical core 12 is through takes out
The bottom surface of gas plate 1.Have the second vertical core 13 at the rear portion of evacuating plate 1, the second vertical core 13 is also perpendicularly to first
Bleed-off passage 11, the bottom surface of through first bleed-off passage 11 of upper port of the second vertical core 13, make the second vertical core
13 connect with the rear end of the first bleed-off passage 11, the bottom surface of the through evacuating plate of lower port 1 of the second vertical core 13.
First bleed-off passage 11 part between the first vertical core 12 and the second vertical core 13 is snakelike or serpentine
" W " shape or other be suitable for shape.Having cross-drilled hole 14 in the rear end of evacuating plate 1, this cross-drilled hole 14 is positioned 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 and
Two vertical cores 13 connect, the rear end face of the through evacuating plate of rear port 1 of cross-drilled hole 14, and pass through pipeline and take out very
Empty pump 3 connects.
As shown in Figure 2, Figure 3 and Figure 4, the lower section at evacuating plate 1 is arranged side by side the first oil cylinder 5 and the second oil
Cylinder 6, the rod chamber of the first oil cylinder 5 is connected with the rod chamber of the second oil cylinder 6 by the first oil duct 7, the first oil
The rodless cavity of cylinder 5 is connected with the rodless cavity of the second oil cylinder 6 by the second oil duct 8, the first oil duct 7 and second
Oil duct 8 is 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.First
The set-up mode of oil cylinder 5 and the second oil cylinder 6 has two kinds, one: the cylinder body of the first oil cylinder 5 and the second oil cylinder 6
Cylinder body be altogether wall type integrative-structure, common wall is offered the first oil duct 7 and the second oil duct 8；They are two: the first years old
The cylinder body of oil cylinder 5 and the cylinder body of the second oil cylinder 6 are Split type structure, and the cylinder body of the first oil cylinder 5 passes through two oil
Pipe is connected with the cylinder body of the second oil cylinder 6, and the endoporus of these two oil pipes is respectively formed as the first oil duct 7 and second
Oil duct 8.The piston rod of the first oil cylinder 5 stretches in the first vertical core 12 straight up, the piston of the first oil cylinder 5
When bar is positioned at peak, the bottom surface of its end face and the first bleed-off passage 11 is concordant.The piston rod of the second oil cylinder 6
Stretching into straight up in the second vertical core 13, and be connected with spool 9, spool 9 is at the second oil cylinder 6 piston rod
Can move up and down under Dai Donging, make the path between the first bleed-off passage 11 and cross-drilled hole 14 disconnect or conducting.
Operation principle of the present utility model is as follows:
Aluminum liquid filling mold cavity 41 when, vacuum pumping pump 3 by the cross-drilled hole 14 on evacuating plate 1, the
The die cavity 41 to mould of the second bleed-off passage 42 on two vertical core the 13, first bleed-off passages 11 and mould 4
Carry out evacuation, after aluminum liquid is full of mold cavity 41, aluminum liquid along the second bleed-off passage 42 to evacuating plate 1
On the first bleed-off passage 11 flow, aluminum liquid stream, can be to the first oil cylinder 5 when the first vertical core 12 position
Piston rod applies downward pressure, and the piston rod automatically triggering the first oil cylinder 5 moves downward, and utilizes linker
Principle, the piston rod of the first oil cylinder 5 promotes the piston rod of the second oil cylinder 6 to move upward by hydraulic oil,
Make spool 9 move to peak, close the path between the first bleed-off passage 11 and cross-drilled hole 14.Need weight
When newly opening the path between the first bleed-off passage 11 and cross-drilled hole 14, only need to be equipped with a return mechanism by valve
Core 9 pressure resets.
Preferred embodiment of the present utility model described in detail above.Should be appreciated that the common of this area
Technical staff just can make many modifications and variations according to design of the present utility model without creative work.
Therefore, all technical staff in the art pass through on the basis of existing technology according to design of the present utility model
The available technical scheme of logical analysis, reasoning, or a limited experiment, all should be by claims institute
In the protection domain determined.
Claims (4)
1. a compression mod evacuating plate structure, it is characterised in that: offer from going on evacuating plate (1)
First bleed-off passage (11) of rear extension, the through evacuating plate in the front end (1) of described first bleed-off passage (11)
Front end face；The first vertical core (12) is had, this first vertical core (12) in the front portion of described evacuating plate (1)
Upper port communicate with the first bleed-off passage (11), the through evacuating plate of the lower port (1) of the first vertical core (12)
Bottom surface, have the second vertical core (13) at the rear portion of described evacuating plate (1), the second vertical core (13) upper
Port connects with the rear end of described first bleed-off passage (11), and the lower port of the second vertical core (13) is through takes out
The bottom surface of gas plate (1), the rear end of described evacuating plate (1) has cross-drilled hole (14), before this cross-drilled hole (14)
Port and the second vertical core (13) connection, the rear end face of the through evacuating plate of the rear port (1) of cross-drilled hole (14).
2. compression mod evacuating plate structure as claimed in claim 1, it is characterised in that: the first bleed-off passage (11)
For being formed at the groove of evacuating plate (1) upper surface, this groove is positioned at the first vertical core (12) and the second vertical core (13)
Between part be snakelike or serpentine or " W " shape.
3. compression mod evacuating plate structure as claimed in claim 2, it is characterised in that: described first bleed logical
The rectangular chamber of the front end dilatation (15) in road (11).
4. compression mod evacuating plate structure as claimed in claim 1, it is characterised in that: described first vertical core (12)
Being each perpendicular to the first bleed-off passage (11) with the second vertical core (13), described cross-drilled hole (14) is perpendicular to second and erects
Hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620211031.6U CN205519570U (en) | 2016-03-18 | 2016-03-18 | Die mould evacuating plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620211031.6U CN205519570U (en) | 2016-03-18 | 2016-03-18 | Die mould evacuating plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205519570U true CN205519570U (en) | 2016-08-31 |
Family
ID=56783206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620211031.6U Active CN205519570U (en) | 2016-03-18 | 2016-03-18 | Die mould evacuating plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205519570U (en) |
Cited By (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 |
-
2016
- 2016-03-18 CN CN201620211031.6U patent/CN205519570U/en active Active
Cited By (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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170424 Address after: 402776 Bishan District, Chongqing Green Street, Castle Peak, Huayuan Road, No. 5, No. 88 11-16 Patentee after: Chongqing city Bishan District Ruitong Precision Die Casting Co. Address before: 402761 Chongqing District of Bishan City Qinggang Street Long Green Road No. 60 Patentee before: CHONGQING RUITONG INDUSTRY CO., LTD. |