CN202527581U - Plier type coining die - Google Patents
Plier type coining die Download PDFInfo
- Publication number
- CN202527581U CN202527581U CN2012200321437U CN201220032143U CN202527581U CN 202527581 U CN202527581 U CN 202527581U CN 2012200321437 U CN2012200321437 U CN 2012200321437U CN 201220032143 U CN201220032143 U CN 201220032143U CN 202527581 U CN202527581 U CN 202527581U
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- die
- plier
- die cavity
- inner membrance
- blank
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Abstract
The utility model discloses a plier type coining die, which is used for overcoming the defects of low material utilization ratio, high machining chipping allowance, large quantity of procedures and low production efficiency existing in the punching process of the conventional plier type tool plier blank. The plier type sizing die comprises an outer die and an inner die, wherein the outer die is provided with a die cavity which is matched with a plier blank; the die cavity passes through the outer die; the section of the die cavity is matched with the profile of the plier blank; the inner die comprises an upper inner die and a lower inner die; and both the upper inner die and the lower inner die are matched with the die cavity. The plier blank is placed into the die cavity for performing enclosed punching, the upper end of the lower inner die is inserted into the die cavity from the lower end of the outer die, and the upper inner die is inserted into the die cavity from the upper end of the outer die for punching the plier blank. After sizing is completed, the upper inner die is extracted out of the die cavity, the lower inner die presses out the plier blank upwards, or the lower inner die is extracted out of the die cavity, the upper inner die presses out the plier blank downwards, and the plier blank is detached. The plier blank is jointed with the inner wall of the die cavity after sizing, so that scrap edges are not produced, the material utilization ratio is high, the subsequent machining chipping allowance of the plier blank is small, and the production efficiency is high.
Description
Technical field
The utility model relates to a kind of diel, and more particularly, it relates to the high pincers class pressure-sizing mould of a kind of stock utilization.
Background technology
The mould of producer's punching press pincers base of current domestic and international manufacturing clamp type tool all adopts traditional open mould pressing process; All there is slitter edge to produce in the pincers base punching course; Need subsequent handling excision slitter edge; And clamp the follow-up bigger machine-finish allowance of cutting that needs of base, obtain the pincers base of required shape and size.This traditional open mould pressing process stock utilization is low, and the machining chipping allowance is big, and the many production efficiencys of operation are low.
Chinese patent notification number CN2115160U, on September 9 1992 day for announcing, the name of utility model is called pincers type pincers base finish module; The pincers base adopts traditional open mould pressing process to be stamped to form; The pincers base had slitter edge before essence is cut, finish module need excise the slitter edge of pincers base, and stock utilization is low; The many production efficiencys of operation are low, and the follow-up machining chipping allowance of its pincers base is big.
The utility model content
It is low that the utility model has overcome existing clamp type tool stock utilization in pincers base punching course; The machining chipping allowance is big, and the deficiency that the many production efficiencys of operation are low provides a kind of pincers type pressure-sizing mould; It can not produce slitter edge in the process of punching press pincers base; Stock utilization is high, and the follow-up machining chipping allowance of pincers base is little, and production efficiency is high.
In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: a kind of pincers class pressure-sizing mould, comprise external mold and internal mold, and adventitia is provided with and clamps the adaptive die cavity of base; Die cavity runs through adventitia; The cross section of die cavity is adaptive with the outline of pincers base, and internal mold comprises internal mold and core insert, and last inner membrance is all adaptive with die cavity with following inner membrance.To clamp base during pressure-sizing and be placed to and carry out closed punching press in the die cavity, die cavity is inserted in following inner membrance upper end from the adventitia lower end, and last inner membrance inserts in the die cavity from the adventitia upper end and punching press clamps base.After the pressure-sizing of pincers base was accomplished, last inner membrance was extracted out in die cavity, and following inner membrance upwards ejects the pincers base, perhaps descends inner membrance in die cavity, to extract out, and last inner membrance ejects the pincers base downwards, will clamp base then and unload.The pincers base is through fitting with the inwall of die cavity after the closed pressure-sizing fully, and the pincers base can not produce slitter edge, and stock utilization is high, and the follow-up machining chipping allowance of pincers base is little, and production efficiency is high.
As preferably, last inner membrance up and down the distance between the both ends of the surface greater than the degree of depth of die cavity, following inner membrance up and down the distance between the both ends of the surface greater than the degree of depth of die cavity.This design assurance can be stamped into the pincers base when going up the inner membrance punching press fully, and inner membrance is perhaps gone up inner membrance and can be ejected the pincers base fully under guaranteeing after punching press is accomplished.
As preferably, the sidewall of last inner membrance and following inner membrance and the distance between the mould intracavity wall are 0.01mm ~ 0.1mm.The sidewall of last inner membrance and following inner membrance and the distance between the mould intracavity wall suitably guarantee to clamp the base punching precision, prevent to clamp base and produce slitter edge.
As preferably, the upper surface shape of following inner membrance is adaptive with the lower surface correspondence of pincers base, and last inner membrance lower surface shape is corresponding adaptive with the upper surface of clamping base.Latter two end face of pincers base pressure-sizing is fitted with last inner membrance and following inner membrance respectively fully; The last inner membrance of fitting with the pincers base and the end surface shape of following inner membrance have determined to clamp the end surface shape of bases; According to the last inner membrance of production requirement design of reality and the end surface shape of following inner membrance, flexible design is various.
Compared with prior art, the beneficial effect of the utility model is: pincers type pressure-sizing mould can not produce slitter edge in the process of punching press pincers base, stock utilization is high, and the follow-up machining chipping allowance of pincers base is little, and production efficiency is high.
Description of drawings
Fig. 1 is the explosive view of the utility model;
Among the figure: 1, adventitia, 2, go up inner membrance, 3, inner membrance down, 4, die cavity.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, the technical scheme of the utility model is done further to specifically describe:
Embodiment: a kind of pincers class pressure-sizing mould (referring to accompanying drawing 1), comprise adventitia 1 and internal mold, adventitia is provided with and clamps the adaptive die cavity of base 4, and die cavity runs through adventitia, and the open upper end of die cavity is in the upper surface of adventitia, and the lower ending opening of die cavity is in the lower surface of adventitia.The cross section of die cavity is adaptive with the end face outline of pincers base, and the end face outer profile size of pincers base is less than the sectional dimension of die cavity, and convenient pincers base is placed in the die cavity.Internal mold comprises inner membrance 2 and following inner membrance 3, and last inner membrance is all adaptive with die cavity with following inner membrance, and the sidewall of last inner membrance and following inner membrance and the distance between the mould intracavity wall are 0.05mm, guarantees pincers base punching precision, prevents to clamp base and produces slitter edge.The upper surface shape of following inner membrance is adaptive with the lower surface correspondence of pincers base, and last inner membrance lower surface shape is corresponding adaptive with the upper surface of pincers base.Lateral surface and mould intracavity wall are fitted fully after the pressure-sizing of pincers base, fit fully in the lower surface of upper surface and last internal mold, and fitting fully in the upper surface of lower surface and following inner membrance, satisfies the geomery requirement of pincers base, can not produce slitter edge after the pressure-sizing of pincers base.Geomery according to the geomery designs of mold cavities of the actual pincers class that will produce, last inner membrance and following inner membrance.The degree of depth of die cavity is greater than the thickness of pincers base, and the distance between the both ends of the surface is greater than the degree of depth of die cavity up and down for last inner membrance, and the distance about the following inner membrance between the both ends of the surface is greater than the degree of depth of die cavity.Design like this when the inner membrance punching press is gone up in assurance and can be stamped into the pincers base fully, inner membrance is perhaps gone up inner membrance and can be ejected the pincers base fully under guaranteeing after punching press is accomplished.
To clamp base during pressure-sizing and be placed to and carry out closed punching press in the die cavity, die cavity is inserted in following inner membrance upper end from the adventitia lower end, and last inner membrance inserts in the die cavity from the adventitia upper end and punching press clamps base, adopts vertical punching press pattern.After the pressure-sizing of pincers base was accomplished, last inner membrance was extracted out in die cavity, and following inner membrance upwards ejects the pincers base, perhaps descends inner membrance in die cavity, to extract out, and last inner membrance ejects the pincers base downwards, will clamp base then and unload.The pincers base is through fitting with the inwall of die cavity after the closed pressure-sizing fully, and the pincers base can not produce slitter edge, and stock utilization is high, and the follow-up machining chipping allowance of pincers base is little, and production efficiency is high.
Above-described embodiment is a kind of preferable scheme of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (4)
1. one kind is clamped a type pressure-sizing mould; It is characterized in that comprise external mold (1) and internal mold, adventitia is provided with and clamps the adaptive die cavity of base (4); Die cavity runs through adventitia; The cross section of die cavity is adaptive with the outline of pincers base, and internal mold comprises internal mold (2) and core insert (3), and last inner membrance is all adaptive with die cavity with following inner membrance.
2. a kind of pincers according to claim 1 type pressure-sizing mould is characterized in that, the distance between the both ends of the surface is greater than the degree of depth of die cavity up and down for last inner membrance, and the distance about the following inner membrance between the both ends of the surface is greater than the degree of depth of die cavity.
3. a kind of pincers according to claim 2 type pressure-sizing mould is characterized in that the sidewall of last inner membrance and following inner membrance and the distance between the mould intracavity wall are 0.01mm ~ 0.1mm.
4. according to claim 1 or 2 or 3 described a kind of pincers type pressure-sizing moulds, it is characterized in that the upper surface shape of following inner membrance is adaptive with the lower surface correspondence of pincers base, last inner membrance lower surface shape is corresponding adaptive with the upper surface of pincers base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200321437U CN202527581U (en) | 2012-02-02 | 2012-02-02 | Plier type coining die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200321437U CN202527581U (en) | 2012-02-02 | 2012-02-02 | Plier type coining die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202527581U true CN202527581U (en) | 2012-11-14 |
Family
ID=47128787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200321437U Expired - Fee Related CN202527581U (en) | 2012-02-02 | 2012-02-02 | Plier type coining die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202527581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856505A (en) * | 2016-06-01 | 2016-08-17 | 江天精密制造科技（苏州）有限公司 | In-mold tweezers closing mechanism |
-
2012
- 2012-02-02 CN CN2012200321437U patent/CN202527581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856505A (en) * | 2016-06-01 | 2016-08-17 | 江天精密制造科技（苏州）有限公司 | In-mold tweezers closing mechanism |
| CN105856505B (en) * | 2016-06-01 | 2017-11-21 | 江天精密制造科技（苏州）有限公司 | A kind of Mo Neihe tweezers mechanism |
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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: 20121114 Termination date: 20140202 |