CN207547584U - A kind of backform with degassing function - Google Patents
A kind of backform with degassing function Download PDFInfo
- Publication number
- CN207547584U CN207547584U CN201721766066.7U CN201721766066U CN207547584U CN 207547584 U CN207547584 U CN 207547584U CN 201721766066 U CN201721766066 U CN 201721766066U CN 207547584 U CN207547584 U CN 207547584U
- Authority
- CN
- China
- Prior art keywords
- exhaust
- backform
- exhaust line
- air discharge
- pin
- 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.)
- Expired - Fee Related
Links
- 238000007872 degassing Methods 0.000 title claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of backforms with degassing function, including backform housing, air discharge duct, exhaust pin, exhaust line, edge exhaust line, rim exhaust line and exhaust pin hole, the backform housing bottom is provided with air discharge duct, exhaust pin is provided on the upside of the air discharge duct, the exhaust pin upside is provided with exhaust line, exhaust line of having chance with is set on the downside of the air discharge duct, rim exhaust line is provided on the downside of the edge exhaust line, exhaust pin hole is both provided at left and right sides of the backform housing, the backform with degassing function can improve exhaust efficiency, reduce the resistance that molten aluminum is received in stamp, make stamp process more smoothly, stamp efficiency is improved so as to achieve the effect that improve class's production.
Description
Technical field
The utility model is related to backform production technical field, specially a kind of backform with degassing function.
Background technology
To be fitted close when hub mold molds, during stamp in molten aluminum press-in die cavity, at this time in mold cavity with
The implantation temperature of molten aluminum can gradually rise, and generate gas expansion phenomenon, if exhaust can generate gas and occupy die cavity punching not in time
The defects of type spatial phenomenon, the wheel hub cast out has misrun and lacks material, so a kind of backform ten with degassing function of production
Divide necessity.
Utility model content
The purpose of this utility model is to provide a kind of backform with degassing function, to solve what is occurred in above-mentioned background
Problem.
To solve above-mentioned purpose, the utility model provides following technical solution：A kind of backform with degassing function, including
Backform housing, air discharge duct, exhaust pin, exhaust line, edge exhaust line, rim exhaust line and exhaust pin hole, the backform housing bottom are set
Air discharge duct is equipped with, the air discharge duct upside is provided with exhaust pin, and described be vented on the upside of pin is provided with exhaust line, under the air discharge duct
Side sets exhaust line of having chance with, and rim exhaust line is provided on the downside of the edge exhaust line, is both provided at left and right sides of the backform housing
It is vented pin hole.
Preferably, exhaust line, exhaust line depth 1mm, wide 1.5mm, long 25mm are carved on the backform housing, exhaust line is drawn extremely
It being vented at pin, is aligned with exhaust pin, backform housing is provided with air discharge duct with side mould junction, is vented groove width 20mm, deep 0.3mm,
And air discharge duct is distributed in backform and side mould junction.
Preferably, exhaust line is provided on the side wall of the exhaust pin, exhaust line is conducive to backform exhaust.
Preferably, a diameter of 10mm of the exhaust pin hole, is vented in pin hole and is provided with exhaust pin.
Compared with prior art, the beneficial effects of the utility model are：The backform with degassing function is provided with exhaust
The defects of pin and exhaust line can enhance exhaust effect, reduce die-casting blank appearance misrun and bubble；Improve exhaust efficiency,
The resistance that molten aluminum is received in stamp is reduced, makes stamp process more smoothly, stamp efficiency is improved so as to reach and improves class's production
Effect.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is the internal structure schematic diagram of the utility model.
Fig. 3 is the exhaust pin schematic diagram of the utility model.
In figure：1st, backform housing, 2, air discharge duct, 3, exhaust pin, 4, exhaust line, 5, edge exhaust line, 6, rim exhaust line, 7, row
Gas pin hole.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides following technical solution：A kind of backform with degassing function, including top
Die housing 1, air discharge duct 2 are vented pin 3, exhaust line 4, edge exhaust line 5, rim exhaust line 6 and exhaust pin hole 7, are carved on backform housing 1
There are exhaust line 4, exhaust line 4 depth 1mm, wide 1.5mm, long 25mm, exhaust line 4 is drawn to exhaust pin 3, is aligned with exhaust pin 3, backform
Housing 1 is provided with air discharge duct 2, air discharge duct 2 width 20mm, deep 0.3mm, and air discharge duct 2 is distributed in backform and side with side mould junction
Mould junction, 1 bottom of backform housing are provided with air discharge duct 2, and 2 upside of air discharge duct is provided with exhaust pin 3, is vented on the side wall of pin 3
Exhaust line 4 is provided with, exhaust line 4 is conducive to backform exhaust, and 3 upside of exhaust pin is provided with exhaust line 4, and 2 downside of air discharge duct is set
It has chance with exhaust line 5,5 downside of edge exhaust line is provided with rim exhaust line 6, and 1 left and right sides of backform housing is both provided with exhaust pin hole 7,
A diameter of 10mm of pin hole 7 is vented, is vented in pin hole 7 and is provided with exhaust pin 3.
Operation principle：When using the backform with degassing function, first the apparatus structure is understood, backform housing
Exhaust line 4, exhaust line 4 depth 1mm, wide 1.5mm, long 25mm are carved on 1, exhaust line 4 is drawn to exhaust pin 3, right with exhaust pin 3
Together, backform housing 1 is provided with air discharge duct 2, air discharge duct 2 width 20mm, deep 0.3mm, and air discharge duct 2 is distributed in top with side mould junction
Mould and side mould junction, 1 bottom of backform housing are provided with air discharge duct 2, and 2 upside of air discharge duct is provided with exhaust pin 3, exhaust pin 3
Exhaust line 4 is provided on side wall, exhaust line 4 is conducive to backform exhaust, is vented on the upside of pin 3 and is provided with exhaust line 4, under air discharge duct 2
Side sets exhaust line 5 of having chance with, and 5 downside of edge exhaust line is provided with rim exhaust line 6, and 1 left and right sides of backform housing is both provided with exhaust
Pin hole 7 is vented a diameter of 10mm of pin hole 7, is vented in pin hole 7 and is provided with exhaust pin 3.
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come
Say, can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (4)
1. a kind of backform with degassing function, it is characterised in that：Including backform housing (1), air discharge duct (2), exhaust pin (3),
Exhaust line (4), edge exhaust line (5), rim exhaust line (6) and exhaust pin hole (7), backform housing (1) bottom is provided with exhaust
Slot (2), air discharge duct (2) upside are provided with exhaust pin (3), and exhaust pin (3) upside is provided with exhaust line (4), described
Exhaust line (5) of having chance on the downside of air discharge duct (2) is set, rim exhaust line (6), the backform are provided on the downside of the edge exhaust line (5)
Exhaust pin hole (7) is both provided at left and right sides of housing (1).
2. a kind of backform with degassing function according to claim 1, it is characterised in that：On the backform housing (1)
Right exhaust line is carved, and backform housing (1) is provided with air discharge duct with side mould junction.
3. a kind of backform with degassing function according to claim 1, it is characterised in that：The side of the exhaust pin (3)
Exhaust line is provided on wall.
4. a kind of backform with degassing function according to claim 1, it is characterised in that：The exhaust pin hole (7)
A diameter of 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766066.7U CN207547584U (en) | 2017-12-18 | 2017-12-18 | A kind of backform with degassing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766066.7U CN207547584U (en) | 2017-12-18 | 2017-12-18 | A kind of backform with degassing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207547584U true CN207547584U (en) | 2018-06-29 |
Family
ID=62664526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721766066.7U Expired - Fee Related CN207547584U (en) | 2017-12-18 | 2017-12-18 | A kind of backform with degassing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207547584U (en) |
-
2017
- 2017-12-18 CN CN201721766066.7U patent/CN207547584U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |