CN202779386U - Special die for processing radial rectangular hole in pin - Google Patents
Special die for processing radial rectangular hole in pin Download PDFInfo
- Publication number
- CN202779386U CN202779386U CN 201220449740 CN201220449740U CN202779386U CN 202779386 U CN202779386 U CN 202779386U CN 201220449740 CN201220449740 CN 201220449740 CN 201220449740 U CN201220449740 U CN 201220449740U CN 202779386 U CN202779386 U CN 202779386U
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- pin
- die component
- plate
- processed
- drift
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Abstract
The utility model discloses a special die for processing a radial rectangular hole in a pin. The special processing die comprises a punch (11), a lower die component, an upper die component, a guide device and a limiting device, wherein the lower die component is mounted on a workbench of a punch press; the upper die component is mounted on a slide block of the punch press; the upper die component is connected with the lower die component by the guide device in a sliding manner; a to-be-processed pin (12) is connected with the lower die component by the limiting device and is limited; the upper end of the punch (11) is connected with the upper die component; and the lower end of the punch (11) is subjected to impact extrusion with the to-be-processed pin (12). With the adoption of the special die, the hot punching in the prior art is replaced by cold impact extrusion, so that the problem that a fillet at the edge of the punched rectangular hole is very large due to high temperature during the course of hot punching is solved. Therefore, the required size and precision of the radial rectangular hole in the pin is achieved after cold extrusion; in this way, the processing procedure is simpler; and the size and the precision are ensured.
Description
Technical field
The utility model relates to machinery manufacturing technology field, specifically is the processing particular manufacturing craft of slot radially on a kind of pin.
Background technology
Pin is the Ministry of Railways's a kind of machine components commonly used.The pin of prior art comprises head and bar section, and head is plate-like, and bar section is polished rod, and has the slot that radially runs through in the bar section.And this slot radially of processing in the prior art, the mode that normally adopts heat to rush is about to part to be processed and is heated to the method for carrying out Punching Technology under the suitable temperature.But, because the high temperature of heat when rushing can cause the rounded at the edge of the slot rushed out can be very large, therefore, need follow-up fine finishining cut to make product to reach desired size and precision, like this, manufacturing procedure is many, and dimensional accuracy also is difficult to guarantee.
The utility model content
Technical problem to be solved in the utility model is, the radially processing particular manufacturing craft of slot is provided on a kind of pin that can guarantee dimensional accuracy.
For solving the problems of the technologies described above, the processing particular manufacturing craft of slot radially on the kind pin that the utility model provides, it comprises drift, lower membrane module, upper die component, guider and stopping means, described lower membrane module is installed on the work bench of punch press, upper die component is installed on the slide block of punch press, upper die component is slidingly connected by guider and lower membrane module, pin to be processed is connected with lower membrane module by stopping means and is spacing, the upper end of described drift is connected with upper die component, and lower end and pin to be processed carry out impact extrusion.
Described lower membrane module comprises counterdie fixed head and lower bolster, described counterdie fixed head is connected on the workbench of punch press, lower bolster is fixedly connected on the counterdie fixed head by screw, and described pin to be processed is placed on the lower bolster and connects also spacing by stopping means.
The center, upper surface of described lower bolster is the V-shaped groove of indent, and described pin to be processed is positioned at V-shaped groove; Described stopping means comprises limited post, is provided with the positive stop strip that the locating slot with pin bar end surface matches along axis direction on the cylindrical wall of limited post, and the lower end of limited post is vertically connected on the bottom land of V-shaped groove.
Described upper die component comprises stripper plate, elastic cushion block, punch fixing plate, upper padding plate and upper mould fixed plate; Described upper mould fixed plate is fixedly connected on the slide block of punch press, and successively upper mould fixed plate, upper padding plate, punch fixing plate, elastic cushion block and stripper plate is fixedly connected with from top to bottom by combined screw; Described guider is lead, and the upper end of this lead is connected on the punch fixing plate, and the lower end is slidingly fitted on the lower bolster; The upper end of described drift is connected on the punch fixing plate, and impact extrusion is carried out to pin to be processed in the lower end.
The removable drift cover that is connected with on the described stripper plate, the lower end of drift and drift cover are slidingly matched; Described drift cover lower surface has the arc groove that the bar section periphery with pin to be processed matches.
Be connected with die shank on the described upper mould fixed plate, upper mould fixed plate is provided with inverted T shape through hole, and the lower end of die shank is connected in the T shape through hole and the lower surface of die shank is positioned at top, upper padding plate upper surface, and the upper end of die shank is positioned at outside the upper mould fixed plate.
After adopting above structure, the utility model compared with prior art, have the following advantages: owing to utilize particular manufacturing craft to replace the heat punching of prior art by cold impact extrusion, high temperature when having avoided heat to rush causes the rounded at the edge of the slot rushed out can be very large, therefore, make the radially slot on the pin behind cold-extruded, reach desired size and precision, like this, manufacturing procedure is fairly simple, and dimensional accuracy also is guaranteed simultaneously.
Description of drawings
Fig. 1 is the structural representation of the processing particular manufacturing craft of slot radially on the utility model pin.
Fig. 2 is the structural representation of stopping means in the utility model.
Wherein: 1, die shank; 2, upper mould fixed plate; 3, upper padding plate; 4, punch fixing plate; 5, elastic cushion block; 6, stripper plate; 7, counterdie fixed head; 8, lower bolster; 9, lead; 10, drift cover; 101, arc groove; 11, drift; 12, pin to be processed; 13, limited post; 14, positive stop strip; 15, V-shaped groove.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in more detail.
By radially the structural representation of the processing particular manufacturing craft of slot is as can be known on the utility model pin illustrated in figures 1 and 2, it comprises drift 11, lower membrane module, upper die component, guider and stopping means, described lower membrane module is installed on the work bench of punch press, upper die component is installed on the slide block of punch press, upper die component is slidingly connected by guider and lower membrane module, pin 12 to be processed is connected with lower membrane module by stopping means and is spacing, the upper end of described drift 11 is connected with upper die component, and lower end and pin 12 to be processed carry out impact extrusion.
Described lower membrane module comprises counterdie fixed head 7 and lower bolster 8, described counterdie fixed head 7 is connected on the workbench of punch press, lower bolster 8 is fixedly connected on the counterdie fixed head 7 by screw, and described pin to be processed 12 is placed on the lower bolster 8 and connects also spacing by stopping means.
The center, upper surface of described lower bolster 8 is the V-shaped groove 15 of indent, and described pin to be processed 12 is positioned at V-shaped groove 15.Described stopping means comprises limited post 13, is provided with the positive stop strip 14 that the locating slot with pin bar end surface matches along axis direction on the cylindrical wall of limited post 13, and the lower end of limited post 14 is vertically connected on the bottom land of V-shaped groove 15.
Described upper die component comprises stripper plate 6, elastic cushion block 5, punch fixing plate 4, upper padding plate 3 and upper mould fixed plate 2.Described upper mould fixed plate 2 is fixedly connected on the slide block of punch press, and successively upper mould fixed plate 2, upper padding plate 3, punch fixing plate 4, elastic cushion block 5 and stripper plate 6 is fixedly connected with from top to bottom by combined screw.Described guider is lead 9, and the upper end of this lead 9 is connected on the punch fixing plate 4, and the lower end is slidingly fitted on the lower bolster 8.The upper end of described drift 11 is connected on the punch fixing plate 4, and impact extrusion is carried out to pin to be processed 12 in the lower end.
The removable drift cover 10 that is connected with on the described stripper plate 6, the lower end of drift 11 and drift cover 10 are slidingly matched; Described drift overlaps 10 lower surfaces and has the arc groove 101 that the bar section periphery with pin to be processed 12 matches.
Be connected with die shank 1 on the described upper mould fixed plate 2, upper mould fixed plate 2 is provided with inverted T shape through hole, and the lower end of die shank 1 is connected in the T shape through hole and the lower surface of die shank 1 is positioned at top, upper padding plate 3 upper surfaces, and the upper end of die shank 1 is positioned at outside the upper mould fixed plate 2.
Claims (6)
1. the processing particular manufacturing craft of slot radially on the pin, it is characterized in that: it comprises drift (11), lower membrane module, upper die component, guider and stopping means, described lower membrane module is installed on the work bench of punch press, upper die component is installed on the slide block of punch press, upper die component is slidingly connected by guider and lower membrane module, pin to be processed (12) is connected with lower membrane module by stopping means and is spacing, the upper end of described drift (11) is connected with upper die component, and lower end and pin (12) to be processed carry out impact extrusion.
2. the processing particular manufacturing craft of slot radially on the pin according to claim 1, it is characterized in that: described lower membrane module comprises counterdie fixed head (7) and lower bolster (8), described counterdie fixed head (7) is connected on the workbench of punch press, lower bolster (8) is fixedly connected on the counterdie fixed head (7) by screw, and it is upper and also spacing by the stopping means connection that described pin to be processed (12) is placed on lower bolster (8).
3. the processing particular manufacturing craft of slot radially on the pin according to claim 2, it is characterized in that: the center, upper surface of described lower bolster (8) is the V-shaped groove (15) of indent, and described pin to be processed (12) is positioned at V-shaped groove (15); Described stopping means comprises limited post (13), is provided with the positive stop strip (14) that the locating slot with pin bar end surface matches along axis direction on the cylindrical wall of limited post (13), and the lower end of limited post (14) is vertically connected on the bottom land of V-shaped groove (15).
4. the processing particular manufacturing craft of slot radially on the pin according to claim 1, it is characterized in that: described upper die component comprises stripper plate (6), elastic cushion block (5), punch fixing plate (4), upper padding plate (3) and upper mould fixed plate (2); Described upper mould fixed plate (2) is fixedly connected on the slide block of punch press, and successively upper mould fixed plate (2), upper padding plate (3), punch fixing plate (4), elastic cushion block (5) and stripper plate (6) is fixedly connected with from top to bottom by combined screw; Described guider is lead (9), and the upper end of this lead (9) is connected on the punch fixing plate (4), and the lower end is slidingly fitted on the lower bolster (8); The upper end of described drift (11) is connected on the punch fixing plate (4), and impact extrusion is carried out to pin to be processed (12) in the lower end.
5. the processing particular manufacturing craft of slot radially on the pin according to claim 4 is characterized in that: the upper removable drift cover (10) that is connected with of described stripper plate (6), and the lower end of drift (11) and drift cover (10) are slidingly matched; Described drift cover (10) lower surface has the arc groove (101) that the bar section periphery with pin to be processed (12) matches.
6. the processing particular manufacturing craft of slot radially on the pin according to claim 4, it is characterized in that: be connected with die shank (1) on the described upper mould fixed plate (2), upper mould fixed plate (2) is provided with inverted T shape through hole, the lower end of die shank (1) is connected in the T shape through hole and the lower surface of die shank (1) is positioned at top, upper padding plate (3) upper surface, and the upper end of die shank (1) is positioned at outside the upper mould fixed plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449740 CN202779386U (en) | 2012-09-06 | 2012-09-06 | Special die for processing radial rectangular hole in pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449740 CN202779386U (en) | 2012-09-06 | 2012-09-06 | Special die for processing radial rectangular hole in pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202779386U true CN202779386U (en) | 2013-03-13 |
Family
ID=47806728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220449740 Expired - Fee Related CN202779386U (en) | 2012-09-06 | 2012-09-06 | Special die for processing radial rectangular hole in pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202779386U (en) |
-
2012
- 2012-09-06 CN CN 201220449740 patent/CN202779386U/en not_active Expired - Fee Related
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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: 20130313 Termination date: 20180906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |