CN204842930U - Stub bar structure of die -casting product - Google Patents
Stub bar structure of die -casting product Download PDFInfo
- Publication number
- CN204842930U CN204842930U CN201420663692.3U CN201420663692U CN204842930U CN 204842930 U CN204842930 U CN 204842930U CN 201420663692 U CN201420663692 U CN 201420663692U CN 204842930 U CN204842930 U CN 204842930U
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- CN
- China
- Prior art keywords
- die
- stub bar
- casting product
- cast product
- bar structure
- 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
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model discloses an one end that stub bar structure of die -casting product, this stub bar are close to this die -casting product has a slope that reduces to this die -casting line of production thickness taper, stub bar lug connection die -casting product inclusive AND have one between the die -casting product and closely connect the plane, should closely connect planar width to be less than or equal to 0.3 millimeter. Optionally, the die -casting product is the safety belt dabber of car. Utilize the utility model discloses a stub bar structure of die -casting product, because closely connect planar width to diminish or do not exist closely connect the plane, consequently be in after the stub bar is got rid of to the die -casting product, if combination department of die -casting product has the pit, then can directly discover, and need not not wait until follow -up die -cut process, has avoided the die -casting product has the pit and carries out follow -up no necessary operation, simultaneously, because do not exist or closely connect planar width less, consequently remain the deckle edge of die -casting product are narrower, at follow -up die -cut in -process, can not cause the problem that collapses the material.
Description
[technical field]
The utility model relates to a kind of stub bar structure, particularly relates to a kind of stub bar structure of die-cast product.
[background technology]
It is shaping that some metal parts (the safety belt mandrel of such as automobile) on automobile can use the mode of die casting to carry out usually.
Refer to Fig. 1, Fig. 1 illustrates a kind of die-cast product into prior art and stub bar structural representation thereof.As shown in the figure, this product 10 side is stub bar 11, and described stub bar 11 is ramped shaped near one end of described product 10, and the inclination angle on described slope is about 30 degree, described stub bar 11 has with the place that product 10 is combined and closely connects plane 12, and the described width closely connecing plane 12 is 2mm or more.
In the following process process of product 10, described stub bar 11 is needed to be separated with product 10, described closely connect plane 12 partly or entirely can stay on described product 10, and due to the described width closely connecing plane 12 comparatively large, whether that therefore directly cannot see product 10 has sand hole with the described adjacent edge of plane 12 that closely connects.Due to the follow-up burr needing punching products 10, and the described plane 12 that closely connects is wide, easily causes the die-cut material phenomenon that collapses, and makes the product 10 produced bad, also can affect the life-span of punch die simultaneously.
In view of this, the stub bar structure developing a kind of die-cast product is necessary, to solve the problem in fact.
[summary of the invention]
Therefore, the purpose of this utility model is to provide a kind of stub bar structure of die-cast product, solve prior art die-cast product after removing stub bar cannot Timeliness coverage sand hole and die-cut burr time easily cause the problem collapsing material.
In order to achieve the above object, the stub bar structure of the die-cast product that the utility model provides, this stub bar has the slope reduced gradually to this die-cast product direction thickness near one end of this die-cast product, described stub bar directly connect described die-cast product or and described die-cast product between have one and closely connect plane, this width closely connecing plane is less than or equal to 0.3 millimeter.
Optionally, described die-cast product is the safety belt mandrel of automobile.
Optionally, the angle on described slope is 40 ~ 50 degree.
Optionally, the angle on described slope is 45 degree.
Compared to prior art, utilize the stub bar structure of die-cast product of the present utility model, diminish due to the described width closely connecing plane or do not exist and describedly closely connect plane, therefore after described die-cast product removes stub bar, if the junction of described die-cast product has sand hole, then directly can find, and follow-up blanking process need not be waited until, avoid described die-cast product and there is sand hole and carry out follow-uply unnecessarily operating; Meanwhile, due to do not exist or the described width closely connecing plane less, the burr therefore remaining in described die-cast product are narrower, in follow-up blanking process, can not cause the problem collapsing material.
[accompanying drawing explanation]
Fig. 1 illustrates a kind of die-cast product into prior art and stub bar structural representation thereof.
Fig. 2 illustrates die-cast product into a preferred embodiment of the present utility model and stub bar structural representation thereof.
[detailed description of the invention]
Please combine again and consult Fig. 2, Fig. 2 illustrates die-cast product into a preferred embodiment of the present utility model and stub bar structural representation thereof.
In order to achieve the above object, the stub bar structure of the die-cast product that the utility model provides, this stub bar 21 has the slope 210 reduced gradually to this die-cast product 21 direction thickness near one end of this die-cast product 20, have one between described stub bar 21 and described die-cast product 20 and closely connect plane 22, this width closely connecing plane 22 is less than or equal to 0.3 millimeter.Certainly, described stub bar 21 also directly can connect described die-cast product 20.
Wherein, described die-cast product 20 can be such as the safety belt mandrel of automobile.
Wherein, the angle on described slope 210 can be 40 ~ 50 degree; The angle on described slope 210 is preferably 45 degree.
Compared to prior art, utilize the stub bar structure of die-cast product of the present utility model, diminish due to the described width closely connecing plane 22 or do not exist and describedly closely connect plane 22, therefore after described die-cast product 20 removes stub bar 21, if the junction of described die-cast product 20 has sand hole, then directly can find, and follow-up blanking process need not be waited until, avoid described die-cast product 20 and there is sand hole and carry out follow-uply unnecessarily operating; Meanwhile, due to do not exist or the described width closely connecing plane 22 less, the burr therefore remaining in described die-cast product 20 are narrower, in follow-up blanking process, can not cause the problem collapsing material, it also avoid punch die and sustain damage and affect the life-span.
Be pointed out that; the utility model is not limited to above-mentioned embodiment; any simple modification that any those skilled in the art do above-described embodiment based on technical solutions of the utility model, equivalent variations and modification, all fall in protection domain of the present utility model.
Claims (4)
1. the stub bar structure of a die-cast product, this stub bar has the slope reduced gradually to this die-cast product direction thickness near one end of this die-cast product, it is characterized in that, described stub bar directly connect described die-cast product or and described die-cast product between have one and closely connect plane, this width closely connecing plane is less than or equal to 0.3 millimeter.
2. the stub bar structure of die-cast product as claimed in claim 1, it is characterized in that, described die-cast product is the safety belt mandrel of automobile.
3. the stub bar structure of die-cast product as claimed in claim 1 or 2, it is characterized in that, the angle on described slope is 40 ~ 50 degree.
4. the stub bar structure of die-cast product as claimed in claim 3, it is characterized in that, the angle on described slope is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663692.3U CN204842930U (en) | 2014-11-07 | 2014-11-07 | Stub bar structure of die -casting product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663692.3U CN204842930U (en) | 2014-11-07 | 2014-11-07 | Stub bar structure of die -casting product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204842930U true CN204842930U (en) | 2015-12-09 |
Family
ID=54733527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420663692.3U Expired - Fee Related CN204842930U (en) | 2014-11-07 | 2014-11-07 | Stub bar structure of die -casting product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204842930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414060A (en) * | 2016-05-23 | 2017-12-01 | 昆山汉鼎精密金属有限公司 | The material head structure of die-cast product |
-
2014
- 2014-11-07 CN CN201420663692.3U patent/CN204842930U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414060A (en) * | 2016-05-23 | 2017-12-01 | 昆山汉鼎精密金属有限公司 | The material head structure of die-cast product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20191107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |