CN202356436U - Cold extrusion device and female die and male die of same - Google Patents
Cold extrusion device and female die and male die of same Download PDFInfo
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- CN202356436U CN202356436U CN2011205118389U CN201120511838U CN202356436U CN 202356436 U CN202356436 U CN 202356436U CN 2011205118389 U CN2011205118389 U CN 2011205118389U CN 201120511838 U CN201120511838 U CN 201120511838U CN 202356436 U CN202356436 U CN 202356436U
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Abstract
The utility model discloses a cold extrusion device and a female die and a male die of the same. The cold extrusion device comprises the female die and the male die, wherein the female die comprises a die seat which is of a sleeve-shaped structure, a lower guiding sleeve is assembled at the lower end of an inner hole of the die seat, a die sleeve is assembled in the inner hole of the die seat and is above the lower guiding sleeve, the inner diameter of the die sleeve and the outer diameter of the workpiece are equal, an upper guiding sleeve is detachably assembled on the upper end of the die sleeve, the inner hole of the upper guiding sleeve is an upper guiding hole, the upper part of the inner hole of the lower guiding sleeve is provided with a cutting feed hole for avoiding an extrusion head cutter, the diameter of the cutting feed hole is smaller than the inner diameter of the die sleeve, the lower part of the inner hole of the lower guiding sleeve is a lower guiding hole, the male die comprises a guiding rod matched with the upper guiding hole and the lower guiding hole in a guiding movement manner, and the extrusion head cutter for machining serriform internal teeth is assembled at the middle part of the guiding rod. According to the cold extrusion device disclosed by the utility model, by means of the positioning of the upper guiding sleeve and the lower guiding sleeve, the extrusion head cutter completes a cold extrusion process by penetrating through the other end of a workpiece from one end of the workpiece, and the cold extrusion device is simple in structure, smaller in combined errors and good in dimensional consistency of machined products.
Description
Technical field
The utility model relates to the cold extrusion device of processing jagged endoporus, and the utility model also relates to die, the punch of this cold extrusion device.
Background technology
At present, the processing of zigzag internal tooth is difficulty very, and the freewheel clutch out star wheel is a kind of part with complicated endoporus die cavity; The cold extrusion device of the endoporus of prior art processing freewheel clutch such as 2006 the 32nd the 6th phases of volume of mould industry disclose zigzag internal tooth axle sleeve cold extrusion die, comprise lower bolster, and the upper end of lower bolster is equipped with the counterdie backing plate; Be installed with die shoe on the counterdie backing plate, be equipped with die case in the die shoe, be equipped with die plate insert in the die case; Die shoe is provided with die shoe is pressed on the following moulded board on the lower bolster, is equipped with the upper clamping plate that moves up and down with respect to die shoe through lead on the lower bolster, and the upper clamping plate lower end is installed with upper die plate; The lower end of upper die plate is provided with cope match-plate pattern, is equipped with the patrix overcoat in the cope match-plate pattern, is equipped with the profile of tooth punch case in the patrix overcoat; Be equipped with the profile of tooth punch in the profile of tooth punch case; The cope match-plate pattern lower end is provided with cope match-plate pattern is pressed on the upper molded plate on the upper clamping plate, and prior art constructions is complicated, and part is more; Each part all can produce mismachining tolerance adding man-hour; And when each part assembles, can produce rigging error again, cause the error of the product that processes bigger, the dimensional uniformity of product is poor.
The utility model content
The purpose of the utility model is to provide cold extrusion device; Cause the bigger problem of product error that processes to solve in the prior art owing to the prior art constructions complicacy, the purpose of the utility model also is to provide die, the punch of this cold extrusion device simultaneously.
For realizing above-mentioned purpose, the cold extrusion device of the utility model adopts following technical scheme: cold extrusion device comprises die and punch; Described die comprises die holder; Die holder has the sleeve shaped structure, receives in the die holder lower port is provided with to turn edge, and die holder coaxial interference in interior receipts turn edge the endoporus that surrounds is equipped with down fairlead; The upper end of following fairlead be provided with said in receive to turn edge and laminate extending out of cooperating and turn edge; In the coaxial die sleeve that is equipped with in top of following fairlead, the internal diameter of die sleeve equates with the external diameter of workpiece, the detachable coaxial fairlead that is equipped with in the upper end of die sleeve in the endoporus of die holder; The endoporus of last fairlead is last pilot hole; The top of the endoporus of following fairlead is provided with the feed hole that is used to dodge the extrusion head cutter, and the aperture in feed hole is less than the internal diameter of die sleeve, and the bottom of the endoporus of following fairlead is divided into the following pilot hole that is used for to the punch guiding; Described punch comprises and being located in when using by the endoporus of die sleeve and the guide post in the straight hole that constitutes of pilot hole up and down; The top and the bottom of said guide post are moved with upper and lower pilot hole guiding respectively and are cooperated, and the middle part of guide post fixedly is equipped with the extrusion head cutter, and the extrusion head cutter has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
Be provided with the gasket ring that is used for supporting workpiece between following fairlead and the die sleeve, the internal diameter of gasket ring is greater than the maximum outside diameter of extrusion head cutter, less than the internal diameter of die sleeve.
The described fairlead of going up comprises the tubular construction that cooperates with die sleeve top sleeve; And with the upper head plate of the open upper end of tubular construction sealing; The described pilot hole of going up is arranged on the upper head plate; The outer peripheral face on described die sleeve top is a taper surface, and the endoporus of last fairlead has the conical inboard wall that cooperates with described taper surface location.
Described guide post comprises guide post and following guide post, and last guide post is connected through helicitic texture with following guide post, and described extrusion head cutter fixedly is assemblied in down on the guide post.
It is big that described helicitic texture comprises that guide post is provided with the two ends diameter that extends along its axis; The ladder hole that mid diameter is little; The upper end of described down guide post convexes with the interior boss of large diameter hole of the lower end that is used to be plugged into guide post; The boss upper surface is to being arranged with screwed hole, and bolt is passed to be screwed into by the large diameter hole of last guide post upper end and will go up guide post in the described screwed hole and be connected with following guide post.
The die of the cold extrusion device of the utility model adopts following technical scheme: the die of cold extrusion device, comprise die holder, and die holder has the sleeve shaped structure; Receive in the die holder lower end is provided with and turn edge; Die holder coaxial interference in interior receipts turn edge the endoporus that surrounds is equipped with down fairlead, the upper end of following fairlead be provided with said in receive to turn edge and laminate extending out of cooperating and turn edge, in the endoporus of die holder in the coaxial die sleeve that is equipped with in top of fairlead down; The internal diameter of die sleeve equates with the external diameter of workpiece; The detachable coaxial fairlead that is equipped with in the upper end of die sleeve, the endoporus of last fairlead is last pilot hole, the top of the endoporus of following fairlead is provided with the feed hole that is used to dodge the extrusion head cutter; The aperture in feed hole is less than the internal diameter of die sleeve, and the bottom of the endoporus of following fairlead is divided into pilot hole down.
Be provided with the gasket ring that is used for supporting workpiece between following fairlead and the die sleeve, the internal diameter of gasket ring is greater than the maximum outside diameter of extrusion head cutter, less than the internal diameter of die sleeve.
The described fairlead of going up comprises the tubular construction that cooperates with die sleeve top sleeve; And with the upper head plate of the open upper end of tubular construction sealing; The described pilot hole of going up is arranged on the upper head plate; The outer peripheral face on described die sleeve top is a taper surface, and the endoporus of last fairlead has the conical inboard wall that cooperates with described taper surface location.
The punch of the cold extrusion device of the utility model adopts following technical scheme: the punch of cold extrusion device; Comprise and be used to when using to be located in by the endoporus of the die sleeve of die and the guide post in the straight hole that constitutes of pilot hole up and down; The upper and lower part of said guide post have be used for die on upper and lower pilot hole guiding move the external cylindrical surface that cooperates; The middle part of guide post fixedly is equipped with the extrusion head cutter, and the extrusion head cutter has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
Described guide post comprises guide post and following guide post, and last guide post is connected through helicitic texture with following guide post, and described extrusion head cutter fixedly is assemblied in down on the guide post.
The cold extrusion device of the utility model, through fairlead location up and down, the extrusion head cutter passes the other end by an end of workpiece and accomplishes the cold-stamped process, and simple in structure, the composition error of generation is less, the product size high conformity that processes.
Further, the taper surface of the cooperation that the utility model is provided with can reach the fairlead purpose concentric with die sleeve more accurately.
Further,, be convenient to the dismounting and the replacing of guide post up and down, save material through being threaded.
Further, along spacing, following fairlead interference is assembled in the die holder endoporus die holder, makes whole assembly structure more firm through retaining.
Description of drawings
Fig. 1 is the use sketch map of embodiment of the pressurizing unit of the utility model;
Fig. 2 is the structural representation of die of the cold extrusion device of the utility model;
Fig. 3 is the structural representation of punch of the cold extrusion device of the utility model.
The specific embodiment
The embodiment of the cold extrusion device of the utility model, as shown in Figure 1, comprise die and punch; Described die comprises die holder 9, and die holder 9 has the sleeve shaped structure, receives in die holder 9 lower ends are provided with to turn edge; Die holder coaxial interference in interior receipts turn edge the endoporus that surrounds is equipped with down fairlead 8, the upper end of following fairlead 8 be provided with said in receive to turn edge and laminate extending out of cooperating and turn edge, in the endoporus of die holder 9 in the coaxial die sleeve 4 that is equipped with in top of fairlead 8 down; The internal diameter of die sleeve 4 equates that with the external diameter of workpiece the upper end of die sleeve 4 detachably is coaxially arranged with fairlead 3, and last fairlead 3 comprises the tubular construction that cooperates with die sleeve top sleeve; And with the upper head plate of the open upper end of tubular construction sealing; Upper head plate is provided with pilot hole, and the outer peripheral face on die sleeve 4 tops is a taper surface, and the endoporus of last fairlead 3 has the conical inboard wall that cooperates with described taper surface location; The top of the endoporus of following fairlead 8 is provided with the feed hole that is used to dodge the extrusion head cutter; The aperture in feed hole is less than the internal diameter of die sleeve 4, and the bottom of the endoporus of following fairlead 8 is divided into pilot hole down, is provided with the gasket ring 7 that is used for supporting workpiece 10 between following fairlead 8 and the die sleeve 4; The internal diameter of gasket ring 7 is greater than the maximum outside diameter of extrusion head cutter 5; Less than the internal diameter of die sleeve 4, described punch comprise be located in when using in the endoporus of die sleeve 9 and the common through hole that constitutes of pilot hole up and down and move the guide post 1 that cooperates with upper and lower pilot hole guiding, guide post 1 comprises guide post 11 and following guide post 12; Last guide post 11 and following guide post 12 are connected through helicitic texture; It is big that helicitic texture comprises that guide post 11 is provided with the two ends diameter that extends along its axis, the ladder hole that mid diameter is little, and the upper end of following guide post 11 convexes with the interior boss of large diameter hole of the lower end that is plugged into guide post; Boss is provided with screwed hole; Bolt 2 is passed to be screwed into by the large diameter hole of last guide post upper end and will go up guide post 11 in the screwed hole and be connected with following guide post 12, fixedly is equipped with extrusion head cutter 5 on the following guide post, and extrusion head cutter 5 has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
The embodiment of the die of the cold extrusion device of the utility model, as shown in Figure 2, described die comprises die holder 9; Die holder 9 has the sleeve shaped structure, receives in die holder 9 lower ends are provided with to turn edge, and die holder coaxial interference in interior receipts turn edge the endoporus that surrounds is equipped with down fairlead 8; The upper end of following fairlead 8 be provided with said in receive to turn edge and laminate extending out of cooperating and turn edge, in the coaxial die sleeve 4 that is equipped with in top of fairlead 8 down, the internal diameter of die sleeve 4 equates with the external diameter of workpiece in the endoporus of die holder 9; The upper end of die sleeve 4 detachably is coaxially arranged with fairlead 3; Last fairlead 3 comprises the tubular construction that cooperates with die sleeve top sleeve, and with the upper head plate of the open upper end of tubular construction sealing, upper head plate is provided with pilot hole; The outer peripheral face on die sleeve 4 tops is a taper surface; The endoporus of last fairlead 3 has the conical inboard wall that cooperates with described taper surface location, and the top of the endoporus of following fairlead 8 is provided with the feed hole that is used to dodge the extrusion head cutter, and the aperture in feed hole is less than the internal diameter of die sleeve 4; The bottom of the endoporus of following fairlead 8 is divided into pilot hole down; Be provided with the gasket ring 7 that is used for supporting workpiece 10 between following fairlead 8 and the die sleeve 4, the internal diameter of gasket ring 7 is greater than the maximum outside diameter of extrusion head cutter 5, less than the internal diameter of die sleeve 4.
The embodiment of the punch of the cold extrusion device of the utility model; As shown in Figure 3; Comprise be used to when using to be located in the endoporus of die sleeve and the common through hole that constitutes of pilot hole up and down and with the mobile guide post that cooperates of upper and lower pilot hole guiding; Guide post comprises guide post 11 and following guide post 12, and last guide post 11 and following guide post 12 are connected through helicitic texture, and it is big that helicitic texture comprises that guide post 11 is provided with along the two ends diameter of its axis extension; The ladder hole that mid diameter is little; The upper end of following guide post 11 convexes with the boss in the large diameter hole of the lower end that is plugged into guide post, and boss is provided with screwed hole, and bolt 2 is passed to be screwed into by the large diameter hole of last guide post upper end and will go up guide post 11 in the screwed hole and be connected with following guide post 12; Fixedly be equipped with extrusion head cutter 5 on the following guide post, extrusion head cutter 5 has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
The cold extrusion device of the utility model in use, before the extruding, earlier with upper and lower guide post and extrusion head cutter pass through hexagon socket head cap screw be linked together, form a punch, will descend fairlead and gasket ring to be pressed into successively in the die holder again, carry out extruding preparation; During extruding; The workpiece cunning joined put into die sleeve, the upper surface of gasket ring will be close in the lower surface of workpiece, punch is passed by workpiece again; Following guide post is deep into down in the endoporus of fairlead; To go up fairlead again and pass the top that cover is set to die sleeve from the whole last guide post of punch, the conical inboard wall of fairlead cooperates with the taper surface of die sleeve fully in the requirement, to guarantee positioning accuracy; At last, exert pressure for last guide head top through forcing press, punch runs through workpiece from top to bottom, accomplishes the cold extrusion process.
The utility model is through the control metal flow; Adopt suitable punch structure and rational blank shape, the cone gear form endoporus of clutch out star wheel is carried out cold-extrusion shaping processing, the utility model simple in structure; Not only surface smoothness is high, dimensional accuracy is high, dimensional uniformity good for the clutch out star wheel endoporus of producing; And the endoporus die cavity do not need follow-up machining just can satisfy its designing requirement, can enhance productivity greatly, and reduce production costs.
In other embodiment; The described fairlead of going up can also be arranged to tubular construction; The endoporus of described tubular construction is last pilot hole, and the lower end of tubular construction is provided with outer turning edge, and turning edge outward is provided with through hole; Die sleeve upper end is provided with and the corresponding screwed hole of through hole, and last fairlead is through being threaded and die sleeve is fixed.
In other embodiment, gasket ring can also be set, directly workpiece is positioned over down the fairlead upper surface.
In other embodiment, described guide post can also be processed integrative-structure.
In other embodiment; Described helicitic texture can also be provided with boss for last guide post, and boss is provided with external screw thread, and following guide post upper end is to being arranged with internal thread hole; To go up during use in the internal thread hole that guide post is screwed into down guide post, can accomplish connection.
Claims (10)
1. cold extrusion device comprises die and punch, it is characterized in that; Described die comprises die holder, and die holder has the sleeve shaped structure, receives in the die holder lower port is provided with to turn edge; Die holder coaxial interference in interior receipts turn edge the endoporus that surrounds is equipped with down fairlead, the upper end of following fairlead be provided with said in receive to turn edge and laminate extending out of cooperating and turn edge, in the endoporus of die holder in the coaxial die sleeve that is equipped with in top of fairlead down; The internal diameter of die sleeve equates with the external diameter of workpiece; The detachable coaxial fairlead that is equipped with in the upper end of die sleeve, the endoporus of last fairlead is last pilot hole, the top of the endoporus of following fairlead is provided with the feed hole that is used to dodge the extrusion head cutter; The aperture in feed hole is less than the internal diameter of die sleeve; The bottom of the endoporus of following fairlead is divided into the following pilot hole that is used for to punch guiding, and described punch comprises the guide post that is located in when using in the straight hole that is made up of the endoporus of die sleeve and pilot hole up and down, the top and the bottom of said guide post respectively with upper and lower mobile cooperation of pilot hole guiding; The middle part of guide post fixedly is equipped with the extrusion head cutter, and the extrusion head cutter has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
2. cold extrusion device according to claim 1 is characterized in that, is provided with the gasket ring that is used for supporting workpiece between following fairlead and the die sleeve, and the internal diameter of gasket ring is greater than the maximum outside diameter of extrusion head cutter, less than the internal diameter of die sleeve.
3. cold extrusion device according to claim 1; It is characterized in that; The described fairlead of going up comprises the tubular construction that cooperates with die sleeve top sleeve, and with the upper head plate of the open upper end sealing of tubular construction, described last pilot hole is arranged on the upper head plate; The outer peripheral face on described die sleeve top is a taper surface, and the endoporus of last fairlead has the conical inboard wall that cooperates with described taper surface location.
4. cold extrusion device according to claim 1 is characterized in that, described guide post comprises guide post and following guide post, and last guide post is connected through helicitic texture with following guide post, and described extrusion head cutter fixedly is assemblied in down on the guide post.
5. cold extrusion device according to claim 4; It is characterized in that; It is big that described helicitic texture comprises that guide post is provided with the two ends diameter that extends along its axis, the ladder hole that mid diameter is little, and the described upper end of guide post down convexes with the interior boss of large diameter hole of the lower end that is used to be plugged into guide post; The boss upper surface is to being arranged with screwed hole, and bolt is passed to be screwed into by the large diameter hole of last guide post upper end and will go up guide post in the described screwed hole and be connected with following guide post.
6. the die of cold extrusion device is characterized in that, comprises die holder; Die holder has the sleeve shaped structure, receives in the die holder lower end is provided with to turn edge, and die holder coaxial interference in interior receipts turn edge the endoporus that surrounds is equipped with down fairlead; The upper end of following fairlead be provided with said in receive to turn edge and laminate extending out of cooperating and turn edge; In the coaxial die sleeve that is equipped with in top of following fairlead, the internal diameter of die sleeve equates with the external diameter of workpiece, the detachable coaxial fairlead that is equipped with in the upper end of die sleeve in the endoporus of die holder; The endoporus of last fairlead is last pilot hole; The top of the endoporus of following fairlead is provided with the feed hole that is used to dodge the extrusion head cutter, and the aperture in feed hole is less than the internal diameter of die sleeve, and the bottom of the endoporus of following fairlead is divided into pilot hole down.
7. the die of cold extrusion device according to claim 6 is characterized in that, is provided with the gasket ring that is used for supporting workpiece between following fairlead and the die sleeve, and the internal diameter of gasket ring is greater than the maximum outside diameter of extrusion head cutter, less than the internal diameter of die sleeve.
8. the die of cold extrusion device according to claim 6; It is characterized in that; The described fairlead of going up comprises the tubular construction that cooperates with die sleeve top sleeve, and with the upper head plate of the open upper end sealing of tubular construction, described last pilot hole is arranged on the upper head plate; The outer peripheral face on described die sleeve top is a taper surface, and the endoporus of last fairlead has the conical inboard wall that cooperates with described taper surface location.
9. the punch of cold extrusion device; It is characterized in that; Comprise and be used to when using to be located in by the endoporus of the die sleeve of die and the guide post in the straight hole that constitutes of pilot hole up and down; The upper and lower part of said guide post have be used for die on upper and lower pilot hole guiding move the external cylindrical surface that cooperates, the middle part of guide post fixedly is equipped with the extrusion head cutter, the extrusion head cutter has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
10. the punch of cold extrusion device according to claim 9 is characterized in that, described guide post comprises guide post and following guide post, and last guide post is connected through helicitic texture with following guide post, and described extrusion head cutter fixedly is assemblied in down on the guide post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205118389U CN202356436U (en) | 2011-12-09 | 2011-12-09 | Cold extrusion device and female die and male die of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205118389U CN202356436U (en) | 2011-12-09 | 2011-12-09 | Cold extrusion device and female die and male die of same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202356436U true CN202356436U (en) | 2012-08-01 |
Family
ID=46567653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205118389U Expired - Lifetime CN202356436U (en) | 2011-12-09 | 2011-12-09 | Cold extrusion device and female die and male die of same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202356436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825084A (en) * | 2011-12-09 | 2012-12-19 | 洛阳轴研科技股份有限公司 | Cold extrusion device, and female die and male die thereof |
-
2011
- 2011-12-09 CN CN2011205118389U patent/CN202356436U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825084A (en) * | 2011-12-09 | 2012-12-19 | 洛阳轴研科技股份有限公司 | Cold extrusion device, and female die and male die thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120801 Effective date of abandoning: 20150715 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120801 Effective date of abandoning: 20150715 |
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| RGAV | Abandon patent right to avoid regrant |