CN2719450Y - Forming mould with striker and vacuum-pumping device - Google Patents
Forming mould with striker and vacuum-pumping device Download PDFInfo
- Publication number
- CN2719450Y CN2719450Y CN 200420082966 CN200420082966U CN2719450Y CN 2719450 Y CN2719450 Y CN 2719450Y CN 200420082966 CN200420082966 CN 200420082966 CN 200420082966 U CN200420082966 U CN 200420082966U CN 2719450 Y CN2719450 Y CN 2719450Y
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- sprue bush
- mould
- backgauge
- valve
- square
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Abstract
The utility model relates to a forming mould with a striker and a vacuum-pumping device, comprising a movable mould and a fixed mould; a channel for containing a screw feeding device is arranged on one side of the pouring opening sleeve of the fixed mould; a locating sleeve for matching with the screw feeding device is arranged on the bottom of the channel; a material-resisting device and a vacuum-pumping device are arranged on the feeding hole of the pouring opening sleeve, and the material-preventing valve of a mould cavity is arranged on the pouring channel of the fixed mould. The material-preventing valve of the mould cavity is arranged on the material-entering channel of the mould to effectively prevent raw materials, cold materials and hot materials are mixed with defective products when materials are entered into a forming machine and flows into a mould cavity; the material-resisting device and the vacuum-pumping device, which are arranged on the feeding hole of the pouring opening sleeve has the function of pumping air after mould-combining and material-resisting to achieve the vacuum state by completely pumping the air in the mould cavity. Thus, bubbles and hair edges, which are generated in the casting-pressing forming process or ejection process, can be prevented, and the quality of castings can be improved.
Description
Technical field
The utility model relates to aluminium, magnesium alloy pressure-casting mould, specifically is a kind of mould with backgauge and vacuum extractor.
Background technology
Traditional aluminium, magnesium alloy pressure-casting mould and plastic forming dies, the pan feeding road that has only simple moulding more, when die cast, if standby is after causing raw material constantly to flow into die cavity from charging aperture by backgauge for a long time, result in blockage or die cavity and material pipe between the cold burden that produces of the temperature difference flow into so that cause defective products.
Sometimes special owing to raw material, easy bubble and burr.Produce and die cavity to charging aperture need be vacuumized processing for reducing this phenomenon, carry out die casting or ejaculation again to obtain excellent product.In plastic forming dies, the Specialized tail stock of the tool air blowing and the function of bleeding is set at the material pushing needle place generally at present, but often this Specialized tail stock device driving fit or obstruction easily fully can't reach ideal effect.
Summary of the invention
The problems referred to above in view of existing die cast mould existence, the utility model provides a kind of mould with backgauge and vacuum extractor, it is provided with at least one grade material valve and vacuum withdraw device in the pan feeding road, cooperates with non-flat line die casting machine to realize the vacuumizing of mold cavity and binder chamber, feed and injection moulding.
Mould with backgauge and vacuum extractor of the present utility model, comprise dynamic model and cover half, the passage of ccontaining screw rod feeding device is set in a side of the sprue bush of cover half, this channel bottom is installed the positioning sleeve that is used for cooperating the screw rod feeding device, charging aperture place on described sprue bush is provided with a backgauge and vacuum withdraw device, and the die cavity material stopping valve is set on the running channel of cover half.
This mould is provided with two stop gauges on mould pan feeding passage, one is the die cavity material stopping valve near die cavity mouth place, flows into the defective products that causes raw material cold burden, heat material to mix in the die cavity in the time of effectively preventing make-up machine pan feeding progressive die tool; Two is backgauge and the vacuum withdraw device that is positioned at the charging aperture place setting of sprue bush, behind matched moulds and backgauge, have the function of bleeding, the die cavity air of can finding time fully reaches vacuum state, to prevent bubble and burr generation in ejaculation or the casting forming process, improve the quality of foundry goods.
Description of drawings
Fig. 1 is an example structure schematic diagram of the utility model mould;
Fig. 2 a, b are front view and the B-B cutaway views of its another embodiment;
Fig. 3 a, b are vertical view and the D-D cutaway views of Fig. 2;
Fig. 4 is the stereogram of the sprue bush among Fig. 2 embodiment;
Fig. 5 is the plane of the sprue bush among Fig. 2 embodiment;
Fig. 6 is the slide valve structural representation among Fig. 2 embodiment;
Fig. 7 is the die cavity material stopping valve plate structure schematic diagram among Fig. 2 embodiment;
Fig. 8 a, b, c are arranged at the backgauge at charging aperture place of sprue bush and the action schematic diagram of vacuum withdraw device.
The specific embodiment
Below in conjunction with the embodiment accompanying drawing the utility model is described in detail.
Shown in embodiment accompanying drawing 1-7, the utility model mould mainly comprises dynamic model 1 and cover half 2, sprue bush 3 is installed at cover half 2 middle parts, one side of sprue bush 3 is provided with the passage 21 of ccontaining screw rod feeding device, the positioning sleeve 4 that is used for cooperating the screw rod feeding device is installed in these passage 21 bottoms, sprue bush 3 outer ends are round table-like, the running channel 36 that is communicated with die cavity 7 is arranged in the sprue bush, charging aperture 34 is positioned on the cylindrical section 33 of sprue bush, charging aperture place at described sprue bush is provided with a backgauge and vacuum withdraw device, and the die cavity material stopping valve is set on the running channel of cover half 2.Establish some installing holes 22 on the described cover half 2, be used for quick location, the installation of mould.
With reference to Fig. 4,5, its sprue bush 3 is basic identical with traditional sprue bush, the running channel 36 that is communicated with die cavity is arranged in the sprue bush 3, the outer end is the mounting disc 32 of round table-like part 31 and band breach 38, charging aperture 34 is positioned on the cylindrical section 33 of sprue bush, at the charging aperture 34 inner places of sprue bush 3 backgauge and vacuum withdraw device is set.
Described backgauge and vacuum withdraw device have the slide valve 5 (with reference to Fig. 6) with L shaped air flue 52, the head of slide valve 5 is square valve head 51, described square valve head 51 is provided with charging hole 53, one side at described charging hole 53 places is provided with cone tank 54, and the internal orifice of L shaped air flue 52 is between cone tank 54 and charging hole 53; Horizontally set square opening slideway 37 on the column part 33 of sprue bush 3, this square opening slideway 37 connects with the charging aperture 34 of barrel portion 33 1 sides of sprue bush 3, the square valve head 51 of described slide valve 5 is arranged in square opening slideway 37, make described square valve head 51 be in diverse location in the square opening slideway 37, can realize backgauge and the shutoff air flue or the backgauge of mould and vacuumize or the switching of feed state.
To the feeding of the binder chamber of equipment the time, enter die cavity for preventing alloy material, the defective products that causes raw material cold burden, heat material to mix also can be provided with the die cavity material stopping valve on the running channel of cover half.Described die cavity material stopping valve comprises with holes 61 valve plate 6 (with reference to Fig. 7), and in the location slotted hole 35 of column part 33 the inners of these valve plate 6 insertion sprue bush 3, mobile this valve plate 6 can make the running channel 36 in the sprue bush be blocked or pass through hole 61 perforations of described valve plate 6.
Die cavity material stopping valve, backgauge and the vacuum withdraw device of said structure preferably are provided with simultaneously in the practical application, so just, on the pan feeding passage, form twice shelves material valve, and can extracting vacuum, cooperate with non-flat line die casting machine and to realize the vacuumizing of mold cavity and binder chamber, feed and injection moulding.
The slide valve 5 of valve plate 6, backgauge and the vacuum withdraw device of above-mentioned die cavity material stopping valve can drive by external conventional electric, pneumatic means.
Fig. 8 a, b, c are arranged at the backgauge at charging aperture place of sprue bush and the action schematic diagram of vacuum withdraw device.
When being positioned at position, square opening slideway 37 bottom, the square valve head 51 of slide valve 5 (sees Fig. 8 a), the cone tank 54 of slide valve 5 engages with the running channel 36 at sprue bush center and constitutes a conical material road inlet, L shaped air flue 52 internal orifices of slide valve 5 and the running channel at sprue bush 3 centers 36 disconnect, the charging hole 53 of slide valve also disconnects with the charging aperture 34 of sprue bush, and can be expressed to the moulding of shape chamber this moment with the material in Casting Equipment binder chamber.
The square valve head 51 of slide valve 5 (is seen Fig. 8 b) when pulling out meta, L shaped air flue 52 internal orifices of slide valve are communicated with the running channel 36 at sprue bush center, the charging aperture 34 of sprue bush is still blocked by slide valve 5, and this moment, the extract system of the collar extension by being connected to L shaped air flue 52 vacuumized mold cavity, running channel and binder chamber.
The square valve head 51 of slide valve 5 is when position (seeing Fig. 8 c) outside pulling out, the charging hole 53 of slide valve connects with the charging aperture of sprue bush 34, and connect with the running channel 36 at sprue bush center, this moment, but screw rod feeding device quantitative feed was to Casting Equipment binder chamber and running channel, slide valve 5 returns to Fig. 8 a state more then, enters next circulation.
The utility model mould can be installed on the mould rack of non-flat line die casting machine and use, the screw rod feeding device of non-flat line die casting machine is provided with the piston-type extrusion materials device is vertical, make the screw rod feeding device in the passage that inserts mould and the positioning sleeve driving fit of channel bottom, can under the control of die casting machine, work.
Claims (6)
1, a kind of mould with backgauge and vacuum extractor, comprise dynamic model (1) and cover half (2), it is characterized in that: the passage (21) that ccontaining screw rod feeding device is set in a side of the sprue bush (3) of cover half (2), the positioning sleeve (4) that is used for cooperating the screw rod feeding device is installed in this passage (21) bottom, charging aperture place at described sprue bush (3) is provided with a backgauge and vacuum withdraw device, and the die cavity material stopping valve is set on the running channel of cover half (2).
2, according to the described mould of claim 1 with backgauge and vacuum extractor, it is characterized in that: described backgauge and vacuum withdraw device have with the slide valve of L shaped air flue (52) (5), the head of slide valve (5) is square valve head (51), described square valve head (51) is provided with charging hole (53), one side at described charging hole (53) place is provided with cone tank (54), and the internal orifice of L shaped air flue (52) is positioned between cone tank (54) and the charging hole (53); Barrel portion (33) in sprue bush (3) is gone up horizontally set square opening slideway (37), this square opening slideway (37) connects with the charging aperture (34) of barrel portion (33) one sides of sprue bush (3), the square valve head (51) of described slide valve (5) is arranged in square opening slideway (37), make described square valve head (51) be in diverse location in the square opening slideway (37), can realize backgauge and the shutoff air flue or the backgauge of mould and vacuumize or the switching of feed state.
3, according to the described mould of claim 2 with backgauge and vacuum extractor, it is characterized in that: in backgauge and vacuum withdraw device, when the square valve head (51) of slide valve (5) during in described square opening slideway (37) position, the end, described cone tank (54) engages with the running channel (36) at sprue bush center and constitutes a conical material road inlet, and the charging aperture (34) of L shaped air flue (52) internal orifice and sprue bush all is blocked; Described square valve head (51) is when pulling out meta, and described L shaped air flue (52) internal orifice is communicated with the running channel (36) at sprue bush center; In described square valve head (51) when position outside pulling out,, the charging hole (53) of the charging aperture of sprue bush (34), slide valve and the running channel (36) at sprue bush center connect.
4, according to the described mould of claim 1 with backgauge and vacuum extractor, it is characterized in that: described die cavity material stopping valve comprises the valve plate (6) of (61) with holes, in the location slotted hole (35) of barrel portion (33) the inner of this valve plate (6) insertion sprue bush (3), mobile this valve plate (6) can make the running channel (36) in the sprue bush be blocked or pass through hole (61) perforation of described valve plate (6).
5, according to the described mould of claim 1 with backgauge and vacuum extractor, it is characterized in that: described backgauge and vacuum withdraw device have with the slide valve of L shaped air flue (52) (5), the head of slide valve (5) is square valve head (51), described square valve head (51) is provided with charging hole (53), one side at described charging hole (53) place is provided with cone tank (54), and the internal orifice of L shaped air flue (52) is positioned between cone tank (54) and the charging hole (53); Barrel portion (33) in sprue bush (3) is gone up horizontally set square opening slideway (37), this square opening slideway (37) connects with the charging aperture (34) of barrel portion (33) one sides of sprue bush (3), the square valve head (51) of described slide valve (5) is arranged in square opening slideway (37), make described square valve head (51) be in diverse location in the square opening slideway (37), can realize backgauge and the shutoff air flue or the backgauge of mould and vacuumize or the switching of feed state;
Described die cavity material stopping valve comprises the valve plate (6) of (61) with holes, in the location slotted hole (35) of barrel portion (33) the inner of this valve plate (6) insertion sprue bush (3), mobile this valve plate (6) can make the running channel (36) in the sprue bush be blocked or pass through hole (61) perforation of described valve plate (6).
6, according to the described mould of claim 1, it is characterized in that: establish some installing holes (22) on the described cover half (2) with backgauge and vacuum extractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420082966 CN2719450Y (en) | 2004-08-11 | 2004-08-11 | Forming mould with striker and vacuum-pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420082966 CN2719450Y (en) | 2004-08-11 | 2004-08-11 | Forming mould with striker and vacuum-pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2719450Y true CN2719450Y (en) | 2005-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420082966 Expired - Fee Related CN2719450Y (en) | 2004-08-11 | 2004-08-11 | Forming mould with striker and vacuum-pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2719450Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215088A (en) * | 2016-06-12 | 2018-06-29 | 福建吉鑫模具有限公司 | A kind of micropore unidirectionally projects the old material absorption plant of footwear mould |
| CN111097888A (en) * | 2020-02-24 | 2020-05-05 | 江苏睿甲金属科技股份有限公司 | Double-pumping type vacuum die-casting system |
| CN115319047A (en) * | 2022-08-29 | 2022-11-11 | 中国科学院金属研究所 | Device and method for preparing sub-rapid solidification test sample |
-
2004
- 2004-08-11 CN CN 200420082966 patent/CN2719450Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215088A (en) * | 2016-06-12 | 2018-06-29 | 福建吉鑫模具有限公司 | A kind of micropore unidirectionally projects the old material absorption plant of footwear mould |
| CN108215088B (en) * | 2016-06-12 | 2023-04-28 | 东莞久仁模具设计有限公司 | Old material absorbing device of microporous unidirectional ejection shoe mold |
| CN111097888A (en) * | 2020-02-24 | 2020-05-05 | 江苏睿甲金属科技股份有限公司 | Double-pumping type vacuum die-casting system |
| CN115319047A (en) * | 2022-08-29 | 2022-11-11 | 中国科学院金属研究所 | Device and method for preparing sub-rapid solidification test sample |
| CN115319047B (en) * | 2022-08-29 | 2024-04-09 | 中国科学院金属研究所 | Device and method for preparing sub-rapid solidification test sample |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050824 Termination date: 20120811 |