CN202137252U - T-shaped punch combination - Google Patents
T-shaped punch combination Download PDFInfo
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- CN202137252U CN202137252U CN201120152302U CN201120152302U CN202137252U CN 202137252 U CN202137252 U CN 202137252U CN 201120152302 U CN201120152302 U CN 201120152302U CN 201120152302 U CN201120152302 U CN 201120152302U CN 202137252 U CN202137252 U CN 202137252U
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- Prior art keywords
- punching pin
- pin body
- drift
- depression
- punching
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Abstract
The utility model discloses a T-shaped punch combination, which comprises a punch body and a puncher pin. The punch body and the puncher pin are structures formed by means of casting, the punch body is a cylindrical structure, the puncher pin is provided with a holding hole, and the upper end of the punch body is inserted into the holding hole and fixed to the puncher pin. The punch body is integrally cast with the puncher pin by means of casting forming, the trouble for grinding the punch body by the aid of a steel material with larger radius is avoided, processing difficulty is reduced, large amounts of labor, electricity and time are saved, production cost for producing punches is lowered, and production efficiency is improved.
Description
Technical field
The utility model relates to a kind of punching pin, relates in particular to a kind of T type punching pin assembly through die cast.
Background technology
Punching pin is a kind of forging tools of punching on blank.As shown in Figure 1, existing punching pin 1 has drift 1a and towards body 1b, drift 1a reaches and uses general steel to be processed into towards body 1b.Processing method is through on cylinder steel, polishing, and the overwhelming majority of these cylinder steel is polished into the less cylinder of radius and forms towards body 1b, and the cylinder that the sub-fraction radius of polishing is not bigger forms drift 1a.
Because present said drift and all be to use a bigger steel polishing and integrated towards body; To have only several millimeters even littler punching pin be unusual difficulty and the needs of polishing satisfy required precision and radius; Therefore often need drop into great amount of manpower; Electric power and time, the costliness of producing the cost utmost point of punching pin.On the other hand, owing to the punching pin polishing is come out, therefore; The steel hardness that punching pin made can not be too big, otherwise can further increase difficulty of processing, like this with regard to make punching pin in the process of punching owing to hardness is easy to occur the phenomenon of wearing and tearing or damaging inadequately; Punching pin is shorter service life; Finally make frequent change punching pin in punch process, reduce production efficiency, increase the cost of producing product.
Based on above-mentioned deficiency, need be a kind of easy to process, can increase the service life, enhance productivity the T type punching pin assembly that reduces production costs.
The utility model content
It is a kind of easy to process that the purpose of the utility model is to provide, and can increase the service life, and enhances productivity, the T type punching pin assembly that reduces production costs.
To achieve these goals; The utility model provides a kind of T type punching pin assembly; Comprise punching pin body and drift, said punching pin body and drift are the die cast structure, and said punching pin body is column structure; Said drift has containing hole, and said punching pin body upper end is inserted in the said containing hole and with said drift and fixed.
Preferably, the upper end sidewall of said punching pin body offers depression, and the containing hole sidewall of said drift offers and the corresponding projection of said depression, said depression and said projection matching and fixing.Because punching pin directly carries out punching to steel in punching course; Therefore stressed bigger when punching press; Through said depression and said projection are set, make said depression and said projection matching and fixing, thereby make said punching pin body fix more firmly with said drift.
Particularly, said depression is circular arc, and said projection is the spheroid of circular arc, and the depression of circular arc and the spheroid of circular arc cooperatively interact fixing.The spheroid that is circular arc protrudes in the lateral wall of said containing hole, and the depression of circular arc coats said spheroid, thereby makes said depression cooperate closelyr with said projection, is not easy to break away from.
Particularly, the groove of said depression for offering around said punching pin body central shaft, the flange of said projection for offering around said containing hole central shaft, said groove and said flange cooperatively interact fixing.Said groove cooperates with said flange can make said punching pin body be connected to such an extent that reinforce more with said drift, when punching, receives strong wallop and also is difficult for breaking away from.
Preferably, the lower outside wall of said punching pin body offers the storage tank of offering around said punching pin body central shaft.
Preferably, said punching pin body offers through hole along central axis direction.
Preferably, said punching pin body is the punching pin body that wolfram steel or high-speed steel are processed.When punching pin carried out punching to strip, owing to receive bigger pressure, said punching pin body was easy to damage; If use general steel, when using so, then need the frequent change punching pin as the punching pin body; So not only spend great amount of time, reduce production efficiency, and increase production cost.And after using wolfram steel or high-speed steel as the punching pin body, wolfram steel hardness is big, and is not easy to wear, therefore do not need the frequent change punching pin, can enhance productivity, and reduces generating this.
Compared with prior art, because the utility model is through separating said punching pin body with drift, utilize die cast together with said punching pin body and said drift die casting; Adding man-hour; Only need said punching pin body be put into compression mod, combine with the drift of pressing the companion moulding and can form punching pin, therefore avoid using the bigger steel of a root radius to polish the trouble of punching pin body; Reduced difficulty of processing; Practice thrift great amount of manpower, electric power and time, reduce the production cost of producing punching pin, improved production efficiency.
Description of drawings
Fig. 1 is the structural representation of general punching pin.
Fig. 2 is the structural representation of the utility model T type punching pin assembly embodiment one.
Fig. 3 is the structural representation of the utility model T type punching pin assembly embodiment two.
Fig. 4 is the structural representation of the utility model T type punching pin assembly embodiment three.
Fig. 5 is the structural representation of the utility model T type punching pin assembly embodiment four.
The specific embodiment
The utility model embodiment one as shown in Figure 2; Said T type punching pin assembly 100 comprises punching pin body 110 and drift 120; Said punching pin body 110 and drift 120 are the die cast structure; Said punching pin body 110 is column structure, and said drift 120 has containing hole 121, and said punching pin body 110 upper ends are inserted in the said containing hole 121 and with said drift 120 and fixed.
The upper end sidewall of said punching pin body 110 offers depression 110a, and said depression 110a is circular arc.Containing hole 121 sidewalls of said drift 120 offer the corresponding projection 120a with said depression 110a, and said projection 120a is the spheroid of circular arc.The depression 110a of circular arc and the spheroid of circular arc cooperatively interact; The spheroid that is circular arc protrudes in the lateral wall of said containing hole 121; The depression of circular arc coats said spheroid, thereby makes said depression 110a cooperate closelyr with said projection 120a, is not easy to break away from.Because punching pin directly carries out punching to steel in punching course; Therefore stressed bigger when punching press; Through said depression 110a and said projection 120a are set; Make said depression 110a and said projection 120a matching and fixing, thereby make said punching pin body 110 fix more firmly with said drift 120.
Said punching pin body 110 is the punching pin body that wolfram steel or high-speed steel prepared material are processed.When punching pin carried out punching to strip, owing to receive bigger pressure, the punching pin body was easy to damage; If use general steel, when using so, then need the frequent change punching pin as the punching pin body; So not only spend great amount of time, reduce production efficiency, and increase production cost.And after using wolfram steel or high-speed steel as punching pin body 110, material hardness is big, and is not easy to wear, therefore do not need the frequent change punching pin, can enhance productivity, and reduces generating this.Certain said punching pin body 110 also can use common iron, the wear-resisting steel of high speed stamping.Said drift 120 can use steel die casting such as aluminium alloy, copper alloy.
The utility model embodiment two as shown in Figure 3; Said T type punching pin assembly 200 comprises punching pin body 210 and drift 220; Said punching pin body 210 and drift 220 are the die cast structure; Said punching pin body 210 is column structure, and said drift 220 has containing hole 221, and said punching pin body 210 upper ends are inserted in the said containing hole 221 and with said drift 220 and fixed.
The upper end sidewall of said punching pin body 210 offers depression 210a, the groove of said depression 210a for offering around said punching pin body 210 central shafts.Containing hole 221 sidewalls of said drift 220 offer the corresponding projection 220a with said depression 210a, the flange of said projection 220a for offering around said containing hole 221 central shafts, and said groove and said flange cooperatively interact fixing.Said groove cooperates with said flange can make said punching pin body 210 be connected to such an extent that reinforce more with said drift 220, when punching, receives strong wallop and also is difficult for breaking away from.The punching pin body that said punching pin body 210 is processed for the wolfram steel material.
The utility model embodiment three as shown in Figure 4; Said T type punching pin assembly 300 comprises punching pin body 310 and drift 320; Said punching pin body 310 and drift 320 are the die cast structure; Said punching pin body 310 is column structure, and said drift 320 has containing hole 321, and said punching pin body 310 upper ends are inserted in the said containing hole 321 and with said drift 320 and fixed.The lower outside wall of said punching pin body 310 offers the storage tank of offering around said punching pin body 310 central shafts 311.The T type punching pin assembly 300 of present embodiment can be as the buoyance lift pin in the hardware stamping mould, and said storage tank 311 holds the edge of strip, is used to carry strip.
The utility model embodiment four as shown in Figure 5; Said T type punching pin assembly 400 comprises punching pin body 410 and drift 420; Said punching pin body 410 and drift 420 are the die cast structure; Said punching pin body 410 is column structure, and said drift 420 has containing hole 421, and said punching pin body 410 upper ends are inserted in the said containing hole 421 and with said drift 420 and fixed.Said punching pin body 410 offers through hole 411 along central axis direction.The T type punching pin assembly 400 of present embodiment can cooperate with another punching pin in the hardware stamping mould, thereby fixing stamping material is not described in detail at this.
Compared with prior art, because the T type punching pin assembly 100 of the utility model embodiment one through said punching pin body 110 is separated with drift 120, utilizes die cast with said punching pin body 110 and said drift 120 die casting together; Adding man-hour; Only need said punching pin body 110 be put into compression mod, combine with the drift 120 of pressing the companion moulding and can form punching pin, therefore avoid the bigger steel of use one root radius of traditional processing to polish the trouble of punching pin body; Reduced difficulty of processing; Practice thrift great amount of manpower, electric power and time, reduce the production cost of producing punching pin, improved production efficiency.In addition, said punching pin body 110 uses wolfram steel or high-speed steel to process, and has bigger hardness and wearability; Therefore, not easy to wear in the use, avoid stressed in punching course and cross galling or damage and frequent change; Prolonged punching pin service life; Improve the production production efficiency of products, reduce production costs, can be widely used in the various hardware stamping moulds.
The method of the punching pin body that the utility model T type punching pin assembly is involved and the size of drift and die cast is well known to those of ordinary skill in the art, no longer does detailed explanation at this.
The above disclosed preferred embodiments that is merely the utility model can not limit the interest field of the utility model certainly with this, so according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (7)
1. T type punching pin assembly; It is characterized in that: comprise punching pin body and drift, said punching pin body and drift are the die cast structure, and said punching pin body is column structure; Said drift has containing hole, and said punching pin body upper end is inserted in the said containing hole and with said drift and fixed.
2. T type punching pin assembly as claimed in claim 1, it is characterized in that: the upper end sidewall of said punching pin body offers depression, and the containing hole sidewall of said drift offers and the corresponding projection of said depression, said depression and said projection matching and fixing.
3. T type punching pin assembly as claimed in claim 2, it is characterized in that: said depression is circular arc, and said projection is the spheroid of circular arc, and the depression of circular arc and the spheroid of circular arc cooperatively interact fixing.
4. T type punching pin assembly as claimed in claim 2; It is characterized in that: the groove of said depression for offering around said punching pin body central shaft; The flange of said projection for offering around said containing hole central shaft, said groove and said flange cooperatively interact fixing.
5. T type punching pin assembly as claimed in claim 1 is characterized in that: the lower outside wall of said punching pin body offers the storage tank of offering around said punching pin body central shaft.
6. T type punching pin assembly as claimed in claim 1, it is characterized in that: said punching pin body offers through hole along central axis direction.
7. T type punching pin assembly as claimed in claim 1 is characterized in that: said punching pin body is the punching pin body that wolfram steel or high-speed steel are processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120152302U CN202137252U (en) | 2011-05-13 | 2011-05-13 | T-shaped punch combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120152302U CN202137252U (en) | 2011-05-13 | 2011-05-13 | T-shaped punch combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202137252U true CN202137252U (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120152302U Expired - Fee Related CN202137252U (en) | 2011-05-13 | 2011-05-13 | T-shaped punch combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202137252U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240728A (en) * | 2011-05-13 | 2011-11-16 | 黄榕樟 | T-shaped punch assembly |
| ITUA20162663A1 (en) * | 2016-04-18 | 2017-10-18 | Metalpres Donati S P A | MANUFACTURED IN DIE-CAST ALUMINUM AND PIN IN STEEL AND METHOD OF CONSTRUCTION |
-
2011
- 2011-05-13 CN CN201120152302U patent/CN202137252U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240728A (en) * | 2011-05-13 | 2011-11-16 | 黄榕樟 | T-shaped punch assembly |
| ITUA20162663A1 (en) * | 2016-04-18 | 2017-10-18 | Metalpres Donati S P A | MANUFACTURED IN DIE-CAST ALUMINUM AND PIN IN STEEL AND METHOD OF CONSTRUCTION |
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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: 20120208 Termination date: 20130513 |