CN202270819U - Blanking die for small hole of stainless-steel spring piece - Google Patents
Blanking die for small hole of stainless-steel spring piece Download PDFInfo
- Publication number
- CN202270819U CN202270819U CN2011203311606U CN201120331160U CN202270819U CN 202270819 U CN202270819 U CN 202270819U CN 2011203311606 U CN2011203311606 U CN 2011203311606U CN 201120331160 U CN201120331160 U CN 201120331160U CN 202270819 U CN202270819 U CN 202270819U
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- Prior art keywords
- pilot bushing
- plate
- die
- piercing punch
- guide bush
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- Expired - Fee Related
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Abstract
The utility model relates to a die and particularly relates to a blanking die for a small hole of a stainless-steel spring piece. According to the blanking die for the small hole of the stainless-steel spring piece, which is disclosed by the utility model, a first guide bush and a second guide bush are arranged in a material stripping plate, the second guide bush is positioned below the first guide bush, and a punching convex die sequentially penetrates through the first guide bush and the second guide bush and is in clearance fit with the first guide bush and the second guide bush. The movement accuracy between the punching convex die and the material stripping plate is ensured by the first guide bush and the second guide bush. In this way, the convex die only bears axial force and is hardly subjected to lateral force, so that the condition that the punching convex die is not easy to break is ensured.
Description
Technical field
The utility model relates to a kind of mould, particularly a kind of stainless steel shell fragment aperture blanking die.
Background technology
Referring to Fig. 1, be stainless steel elastic piece structure sketch map, the stainless steel shell fragment generally is to be applied to electronics, a kind of structure member in fields such as machinery also can be used as some electrode contact plates simultaneously, elastic structure or the like, purposes is quite extensive.Have on a lot of stainless steel shell fragments some diameters less than 1.5 to 2.0 times to the thick aperture 1-1 of material, see Fig. 1, that have even littler; And centre distance product edge distance in hole is thick less than 1.5 times of material; That have even littler, and material hardness is very high, and shearing strength reaches about 1200MPA especially.The stamping-out of stainless steel shell fragment aperture generally adopts cold punching die to make at present, and mainly there is following point in this kind mould one: 1) piercing punch is consistent to the tail end section diameter from the upper end, causes the drift undercapacity, frangible; 2) design of drift punch guide frame is unreasonable, receives side force, frangible; 3) stay the edge of a knife little in the punching concave die mold insert, be prone to take place to jump the bits phenomenon.
The utility model content
The purpose of the utility model is to overcome the deficiency of existing product, and provides a kind of piercing punch intensity high, the difficult stainless steel shell fragment aperture blanking die that fractures and be difficult for taking place to jump the bits phenomenon
The purpose of the utility model realizes through following technical scheme: stainless steel shell fragment aperture blanking die, comprise upper bolster, die shoe and piercing punch, and the upper bolster bottom is provided with upper padding plate; The upper padding plate bottom is provided with upper mounted plate; The upper mounted plate bottom is provided with baffle plate, and the baffle plate bottom is provided with stripper plate, and the piercing punch upper end is fixed on the upper padding plate bottom and passes upper mounted plate, baffle plate and stripper plate successively; Piercing punch and upper mounted plate, baffle plate and stripper plate matched in clearance; Die shoe is provided with concave template and the vertical material-dropping hole of wearing die holder, and concave template is provided with the punching concave die mold insert, is provided with in the punching concave die mold insert and stays the edge of a knife; It is characterized in that: establish first pilot bushing and second pilot bushing in the stripper plate; Second pilot bushing is positioned at first pilot bushing below, and piercing punch passes first pilot bushing and second pilot bushing successively, with first pilot bushing and the second pilot bushing matched in clearance.
As a kind of improvement of the utility model, described piercing punch passes that part of diameter of section of upper mounted plate, baffle plate and first pilot bushing successively greater than the diameter of section that passes second pilot bushing part.
As improving again of the utility model, described punching concave die mold insert stay edge of a knife below to be equipped with to communicate with material-dropping hole and have a constant slope stay the swivel section.
The beneficial effect that the utility model is obtained: the stainless steel shell fragment aperture blanking die of the utility model; In stripper plate, establish first pilot bushing and second pilot bushing; Second pilot bushing is positioned at first pilot bushing below, and piercing punch passes first pilot bushing and second pilot bushing successively, with first pilot bushing and the second pilot bushing matched in clearance; Guaranteed the kinematic accuracy between piercing punch and stripper plate through first pilot bushing and second pilot bushing; Punch only bears axial force and receives side force hardly like this, thereby guarantees that piercing punch is difficult for being fractureed, in addition; Piercing punch passes that part of diameter of section of upper mounted plate, baffle plate and first pilot bushing successively greater than the diameter of section that passes second pilot bushing part; Greatly degree has guaranteed piercing punch intensity, moreover the punching concave die mold insert stay edge of a knife below to be equipped with to communicate with material-dropping hole and have a constant slope stay the swivel section, when piercing punch is up; Waste material gets into to stay and directly gets into material-dropping hole after the swivel section and can not be taken out of, and the bits phenomenon takes place to jump.
Description of drawings
Fig. 1 is a stainless steel elastic piece structure sketch map;
Fig. 2 is the utility model structural representation;
Fig. 3 is the local enlarged diagram of piercing punch and upper mounted plate, baffle plate, first pilot bushing and the second pilot bushing matched in clearance.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed elaboration:
Referring to Fig. 2; The stainless steel shell fragment aperture blanking die of the utility model; Comprise upper bolster 1, die shoe 2 and piercing punch 3, the upper bolster bottom is provided with upper padding plate 4, and upper padding plate 4 bottoms are provided with upper mounted plate 5; Upper mounted plate 5 bottoms are provided with baffle plate 6; Baffle plate 6 bottoms are provided with stripper plate 7, establish first pilot bushing 8 and second pilot bushing 9 in the stripper plate 7, and piercing punch 3 upper ends are fixed on upper padding plate 4 bottoms and pass upper mounted plate 5, baffle plate 6, first pilot bushing 8 and second pilot bushing 9 successively; With upper mounted plate 5, baffle plate 6, first pilot bushing 8 and second pilot bushing, 9 matched in clearance; And piercing punch 3 passes that part of diameter of section of upper mounted plate 5, baffle plate 6 and first pilot bushing 8 successively greater than the diameter of section that passes second pilot bushing, 9 parts, and die shoe 2 is provided with concave template 10 and the vertical material-dropping hole 11 of wearing die holder, and concave template 10 is provided with punching concave die mold insert 12; Be provided with in the punching concave die mold insert 12 and stay the edge of a knife 13, stay the edge of a knife 13 belows to be equipped with to communicate with material-dropping hole 11 and have a constant slope stay swivel section 14.
The stainless steel shell fragment aperture blanking die of the utility model is established first pilot bushing and second pilot bushing in stripper plate, second pilot bushing is positioned at first pilot bushing below; Piercing punch passes first pilot bushing and second pilot bushing successively; With first pilot bushing and the second pilot bushing matched in clearance, guaranteed the kinematic accuracy between piercing punch and stripper plate through first pilot bushing and second pilot bushing, punch only bears axial force and receives side force hardly like this; Thereby guarantee that piercing punch is difficult for being fractureed; In addition, piercing punch passes that part of diameter of section of upper mounted plate, baffle plate and first pilot bushing successively greater than the diameter of section that passes second pilot bushing part, and greatly degree has guaranteed piercing punch intensity; Moreover the punching concave die mold insert stay edge of a knife below to be equipped with to communicate with material-dropping hole and have a constant slope stay the swivel section; When piercing punch was up, waste material got into to stay and directly gets into material-dropping hole after the swivel section and can not be taken out of, and the bits phenomenon takes place to jump.
During use, punch press is exercised upper bolster down and is pressed down, and stripper plate is pushed down raw material 15 earlier; Upper bolster is descending again, and piercing punch pours raw material in the punching concave die mold insert, and waste material is directly discharged through the die shoe material-dropping hole; Punch press is up then, and patrix resets, and accomplishes a punching press; Constantly repeat this process, realize continuous production.
According to the announcement and the instruction of above-mentioned specification, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the specific embodiment that discloses and describe above the utility model is not limited to also should fall in the protection domain of claim of the present invention some modifications and the change of the utility model.In addition, although used some specific terms in this specification, these terms are explanation for ease just, the utility model is not constituted any restriction.
Claims (3)
1. stainless steel shell fragment aperture blanking die comprises upper bolster, die shoe and piercing punch, and the upper bolster bottom is provided with upper padding plate; The upper padding plate bottom is provided with upper mounted plate, and the upper mounted plate bottom is provided with baffle plate, and the baffle plate bottom is provided with stripper plate; The piercing punch upper end is fixed on the upper padding plate bottom and passes upper mounted plate, baffle plate and stripper plate successively, piercing punch and upper mounted plate, baffle plate and stripper plate matched in clearance, and die shoe is provided with concave template and the vertical material-dropping hole of wearing die holder; Concave template is provided with the punching concave die mold insert; Be provided with in the punching concave die mold insert and stay the edge of a knife, it is characterized in that: establish first pilot bushing and second pilot bushing in the stripper plate, second pilot bushing is positioned at first pilot bushing below; Piercing punch passes first pilot bushing and second pilot bushing successively, with first pilot bushing and the second pilot bushing matched in clearance.
2. stainless steel shell fragment aperture blanking die is characterized in that: described piercing punch passes that part of diameter of section of upper mounted plate, baffle plate and first pilot bushing successively greater than the diameter of section that passes second pilot bushing part.
3. stainless steel shell fragment aperture blanking die is characterized in that: described punching concave die mold insert stay edge of a knife below to be equipped with to communicate with material-dropping hole and have a constant slope stay the swivel section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203311606U CN202270819U (en) | 2011-08-26 | 2011-08-26 | Blanking die for small hole of stainless-steel spring piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203311606U CN202270819U (en) | 2011-08-26 | 2011-08-26 | Blanking die for small hole of stainless-steel spring piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202270819U true CN202270819U (en) | 2012-06-13 |
Family
ID=46191205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203311606U Expired - Fee Related CN202270819U (en) | 2011-08-26 | 2011-08-26 | Blanking die for small hole of stainless-steel spring piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202270819U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112043A (en) * | 2013-01-31 | 2013-05-22 | 铜陵格瑞特挤出技术有限公司 | Plastic profile line-following punching machine |
| CN103223436A (en) * | 2013-04-26 | 2013-07-31 | 泉州市鲤城区展鸿自动化设备有限公司 | Shrapnel die trimming device of assembly machine with shrapnel being automatically mounted on cap |
| CN104338828A (en) * | 2013-08-07 | 2015-02-11 | 江苏博俊工业科技股份有限公司 | Small hole punch breaking prevention punching die |
| CN109201847A (en) * | 2017-07-01 | 2019-01-15 | 青岛海尔模具有限公司 | A kind of close hole blanking die and blanking method |
| CN109201855A (en) * | 2017-07-01 | 2019-01-15 | 青岛海尔模具有限公司 | A kind of close hole machined mold of air duct cover board and processing method |
-
2011
- 2011-08-26 CN CN2011203311606U patent/CN202270819U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112043A (en) * | 2013-01-31 | 2013-05-22 | 铜陵格瑞特挤出技术有限公司 | Plastic profile line-following punching machine |
| CN103223436A (en) * | 2013-04-26 | 2013-07-31 | 泉州市鲤城区展鸿自动化设备有限公司 | Shrapnel die trimming device of assembly machine with shrapnel being automatically mounted on cap |
| CN103223436B (en) * | 2013-04-26 | 2014-11-26 | 泉州市鲤城区展鸿自动化设备有限公司 | Shrapnel die trimming device of assembly machine with shrapnel being automatically mounted on cap |
| CN104338828A (en) * | 2013-08-07 | 2015-02-11 | 江苏博俊工业科技股份有限公司 | Small hole punch breaking prevention punching die |
| CN104338828B (en) * | 2013-08-07 | 2016-07-13 | 江苏博俊工业科技股份有限公司 | The anti-punching die that fractures of aperture drift |
| CN109201847A (en) * | 2017-07-01 | 2019-01-15 | 青岛海尔模具有限公司 | A kind of close hole blanking die and blanking method |
| CN109201855A (en) * | 2017-07-01 | 2019-01-15 | 青岛海尔模具有限公司 | A kind of close hole machined mold of air duct cover board and processing method |
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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: 20120613 Termination date: 20140826 |
|
| EXPY | Termination of patent right or utility model |