CN203542926U - Mold ejector pin - Google Patents
Mold ejector pin Download PDFInfo
- Publication number
- CN203542926U CN203542926U CN201320534143.1U CN201320534143U CN203542926U CN 203542926 U CN203542926 U CN 203542926U CN 201320534143 U CN201320534143 U CN 201320534143U CN 203542926 U CN203542926 U CN 203542926U
- Authority
- CN
- China
- Prior art keywords
- ejector pin
- arc
- shape
- termination
- thimble
- 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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Abstract
The utility model relates to the technical field of molds, particularly to a mold ejector pin. The mold ejector pin comprises an ejector pin rod, wherein an ejector pin countersunk head is arranged on one end socket of the ejector pin rod; an ejection end socket is arranged on the other end socket of the ejector pin rod; the ejection end socket is provided with a plane along the longitudinal direction of the ejector pin rod; the cross section of the ejection end socket is in a D shape; the ejector pin countersunk head and the ejector pin rod are integrally arranged. The the mold ejection pin provided by the utility model has burrs which do not easily escape in the production processing process and has a wide application range.
Description
Technical field
The utility model relates to technical field of mold, particularly a kind of die ejector pin.
Background technology
Die ejector pin, comprise thimble rod and with the integrated thimble countersunk head of thimble rod, it is widely used in ejecting of various die for molding goods.Due to moulded products diversity, also there is the situation that ejects of multiple different qualifications in the situation that ejects of die ejector pin, particularly for the moulding of mobile phone battery cover, in order to keep the attractive in appearance of mobile phone battery cover lateral surface, die ejector pin often ejects mobile phone battery cover from the medial surface of mobile phone battery cover, and the medial surface of mobile phone battery cover is due to the structural design of interior of mobile phone, there will be die ejector pin to be limited in rectangular area mobile phone battery cover is ejected.
Die ejector pin of the prior art is conventional dome pin and flat thimble, and the thimble rod of dome pin is cylindric, the rectangular column of thimble rod of flat thimble.Because the thimble rod of flat thimble is rectangle column, in manufacturing process, easily run burr, therefore need to repair batch cutting edge of a knife or a sword of flat thimble, and finishing is easily by four corner wears of flat thimble, make die ejector pin when coordinating with mould, easily occur gap, cause the die cavity sealing in mould to decline, affect the Forming Quality of product; Because the thimble rod of dome pin is cylindric, although be not prone to the situation of running burr in manufacturing process, but ejecting in region of rectangle, because the round diameter of the circular top shank of dome pin is limited, cause the area of top end face of thimble rod less, be difficult for shaped article to eject, cause its scope of application little.
Therefore, there is the problem that the scope of application is little in dome pin of the prior art, and flat thimble exists the problem of easy race burr, all can not meet well and eject the special circumstances that region is rectangular area.
Utility model content
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and a kind of in process of manufacture, be difficult for running burr and die ejector pin applied widely is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of die ejector pin is provided, has comprised thimble rod, a termination of described thimble rod is provided with thimble countersunk head, and another termination of described thimble rod is provided with and ejects termination, described in eject termination and there is a plane along the longitudinal direction of described thimble rod.
Wherein, described thimble rod is columniform thimble rod.
Wherein, the shape that ejects the cross section of termination described in is the arc of D shape.
Wherein, the arc that is D shape described in is major arc.
Wherein, the arc that is D shape described in is semicircle.
Wherein, the arc that is D shape described in is minor arc.
Wherein, described thimble countersunk head and the one-body molded setting of described thimble rod.
Wherein, the external diameter of described thimble countersunk head is greater than the external diameter of described thimble rod.
The beneficial effects of the utility model:
Die ejector pin of the present utility model includes two steps in process of manufacture:
First step is identical with the process of manufacture of dome pin, in this step, there will not be the situation of running burr;
Second step on grinding machine by the described termination that ejects along a plane of longitudinal direction mill of described thimble rod, that is to say from the cylindric D of wearing into shape column.
In step 1 and step 2, all there will not be race burr, guaranteed that gap does not appear in die ejector pin when coordinating with mould, improve the Forming Quality of product.
Meanwhile, described in eject the cross section of termination shape be the arc of D shape, can be the size that ejects termination cross-sectional area described in the selection adjustment of major arc, semicircle or minor arc according to the arc of described D shape, expanded the scope of application of die ejector pin.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the structural representation of die ejector pin of the present utility model.
In Fig. 1, include:
1-thimble rod, 2-thimble countersunk head, 11-rounded portions, 12-D shape portion, 2-thimble countersunk head.
The specific embodiment
With the following Examples the utility model is further described.
The specific embodiment of die ejector pin of the present utility model, as shown in Figure 1, comprise thimble rod 1, comprise thimble rod, one termination of described thimble rod is provided with thimble countersunk head, and another termination of described thimble rod is provided with and ejects termination, described in eject termination and there is a plane along the longitudinal direction of described thimble rod, described thimble rod is columniform thimble rod, described in eject the cross section of termination shape be the arc of D shape.
In this specific embodiment, described in be D shape arc be major arc.Wherein, the arc that is D shape described in can be semicircle or minor arc.
In this specific embodiment, described thimble countersunk head and the one-body molded setting of described thimble rod.
In this specific embodiment, the external diameter of described thimble countersunk head is greater than the external diameter of described thimble rod.
The die ejector pin of this specific embodiment includes two steps in process of manufacture:
First step is identical with the process of manufacture of dome pin, in this step, there will not be the situation of running burr;
Second step on grinding machine by the described termination that ejects along a plane of longitudinal direction mill of described thimble rod, that is to say from the cylindric D of wearing into shape column.
In step 1 and step 2, all there will not be race burr, guaranteed that gap does not appear in die ejector pin when coordinating with mould, improve the Forming Quality of product.
Meanwhile, described in eject the cross section of termination shape be the arc of D shape, can be the size that ejects termination cross-sectional area described in the selection adjustment of major arc, semicircle or minor arc according to the arc of described D shape, expanded the scope of application of die ejector pin.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1. die ejector pin, comprise thimble rod, one termination of described thimble rod is provided with thimble countersunk head, it is characterized in that: another termination of described thimble rod is provided with and ejects termination, the described termination that ejects has a plane along the longitudinal direction of described thimble rod, described in eject the cross section of termination shape be the arc of D shape.
2. die ejector pin according to claim 1, is characterized in that: described in be D shape arc be major arc.
3. die ejector pin according to claim 1, is characterized in that: described in be D shape arc be semicircle.
4. die ejector pin according to claim 1, is characterized in that: described in be D shape arc be minor arc.
5. die ejector pin according to claim 1, is characterized in that: described thimble countersunk head and the one-body molded setting of described thimble rod.
6. die ejector pin according to claim 5, is characterized in that: the external diameter of described thimble countersunk head is greater than the external diameter of described thimble rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534143.1U CN203542926U (en) | 2013-08-30 | 2013-08-30 | Mold ejector pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534143.1U CN203542926U (en) | 2013-08-30 | 2013-08-30 | Mold ejector pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203542926U true CN203542926U (en) | 2014-04-16 |
Family
ID=50461092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320534143.1U Expired - Fee Related CN203542926U (en) | 2013-08-30 | 2013-08-30 | Mold ejector pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203542926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029354A (en) * | 2014-04-29 | 2014-09-10 | 宁国市日格美橡塑制品有限公司 | Demolding apparatus |
-
2013
- 2013-08-30 CN CN201320534143.1U patent/CN203542926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029354A (en) * | 2014-04-29 | 2014-09-10 | 宁国市日格美橡塑制品有限公司 | Demolding apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tangxia Shitan Po Jiang Yuan Road 523717 Guangdong city of Dongguan province No. 189 Patentee after: DONGGUAN GOOD MARK NEW PRECISION TECHNOLOGY CO., LTD. Address before: Tangxia Shitan Po Jiang Yuan Road 523717 Guangdong city of Dongguan province No. 189 Patentee before: Dongguan Good Mark New Industrial Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20160830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |