CN202366983U - Sawtooth-shaped hole cold extrusion device and female die as well as male die thereof - Google Patents
Sawtooth-shaped hole cold extrusion device and female die as well as male die thereof Download PDFInfo
- Publication number
- CN202366983U CN202366983U CN2011205118478U CN201120511847U CN202366983U CN 202366983 U CN202366983 U CN 202366983U CN 2011205118478 U CN2011205118478 U CN 2011205118478U CN 201120511847 U CN201120511847 U CN 201120511847U CN 202366983 U CN202366983 U CN 202366983U
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- endoporus
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Abstract
The utility model discloses a sawtooth-shaped hole cold extrusion device and a female die as well as a male die thereof. The sawtooth-shaped hole cold extrusion device comprises the female die and the male die, wherein the female die comprises a female die sleeve, the inner hole of the female die sleeve is a stepped through hole with a big end down, a large-diameter hole of the female die sleeve is internally provided with a female die core which is of a cylindrical structure, the diameter of the inner hole of the female die core is equal to the outer diameter of a workpiece, and a small-diameter inner hole of the female die sleeve is used for avoiding an extrusion head cutter and has the diameter being smaller than that of the inner hole of the female die core; and the male die comprises a guide rod, which is provided with the extrusion head cutter for machining the sawtooth-shaped peripheral face of sawtooth-shaped internal teeth. According to the sawtooth-shaped hole cold extrusion device disclosed by the utility model, the extrusion head cutter and the guide rod are assembled and connected into a whole, the guide rod is used to drive the extrusion head cutter to machine a workpiece in the female die, and in addition, the sawtooth-shaped hole cold extrusion device is fewer in parts, simple in structure, smaller in combined error and good in dimensional consistency of machined products.
Description
Technical field
The utility model relates to a kind of cold extrusion device of zigzag hole of axle sleeve, and the utility model also relates to die, the punch of this zigzag hole cold extrusion device simultaneously.
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 guide frame and profile of tooth punch branch are arranged in the prior art; Complex structure; Part is more, and 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 zigzag hole 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 zigzag hole cold extrusion device simultaneously.
For realizing above-mentioned purpose; The zigzag hole cold extrusion device of the utility model adopts following technical scheme: zigzag hole cold extrusion device, comprise die and punch, and described die comprises die case; The endoporus of described die case is up big and down small ladder hole; The coaxial die plate insert that is equipped with in the large diameter hole of die case, described die plate insert has tubular construction, and the diameter of bore of die plate insert equates with the external diameter of workpiece; The endoporus of the minor diameter of die case is used to dodge extrusion head cutter and the aperture endoporus aperture less than die plate insert; Described punch comprises that the through-hole guides that constitutes jointly with die plate insert endoporus and die case endoporus when using moves the guide post that cooperates, and is equipped with the extrusion head cutter on the guide post, and the extrusion head cutter has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
Between step surface upper end and die plate insert lower surface, be provided with the gasket ring that is used for supporting workpiece in the large diameter hole of said die case, the internal diameter of gasket ring is greater than the maximum outside diameter of extrusion head cutter, less than the internal diameter of die plate insert.
Described guide post comprises transmission rod and following lead, and last transmission rod is connected through helicitic texture with following lead, and described extrusion head cutter fixedly is assemblied in down on the lead.
Described thread mechanism comprises that transmission rod is provided with the countersunk head screwed hole, and following lead upper end convexes with the external screw thread boss that is screwed in the said countersunk head screwed hole.
Described lead down is the big multidiameter of the little lower end diameter of upper end diameter, and described extrusion head cutter is assembled to down the lead small diameter portion, and the lower surface of last transmission rod is the seal face up and down of extrusion head cutter with the step surface of following lead.
The die of the zigzag hole cold extrusion device of the utility model adopts following technical scheme: the die of zigzag hole cold extrusion device; Comprise die case; The endoporus of described die case is up big and down small ladder hole, the coaxial die plate insert that is equipped with in the large diameter hole of die case, and described die plate insert has tubular construction; The diameter of bore of die plate insert equates with the external diameter of workpiece, and the endoporus of the minor diameter of die case is used to dodge extrusion head cutter and the endoporus aperture aperture less than the endoporus of die plate insert.
Between step surface upper end and die plate insert lower surface, be provided with the gasket ring that is used for supporting workpiece in the large diameter hole of die case, the endoporus of gasket ring is used to dodge the extrusion head cutter, and the endoporus aperture is less than the internal diameter of die plate insert.
The punch of the zigzag hole cold extrusion device of the utility model adopts following technical scheme: the punch of zigzag hole cold extrusion device; The guide post that the through-hole guides that is used for constituting jointly with die plate insert endoporus and die case endoporus when comprising use moves; Be equipped with the extrusion head cutter on the guide post, the extrusion head cutter has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
Described guide post comprises transmission rod and following lead, and last transmission rod is connected through helicitic texture with following lead, and described extrusion head cutter fixedly is assemblied in down on the lead.
Described lead down is the big multidiameter of the little lower end diameter of upper end diameter, and described extrusion head cutter is assembled to down the lead small diameter portion, and the lower surface of last transmission rod is the seal face up and down of extrusion head cutter with the step surface of following lead.
Zigzag hole cold extrusion device in the utility model; Adopt the assembling of extrusion head cutter and guide post to connect as one; Drive the extrusion head cutter through guide post and in described die, workpiece is processed, the part of the utility model is few, and is simple in structure; The composition error that produces is less, the product size high conformity that processes.
Further,, be convenient to the dismounting and the replacing of guide post, save material through being threaded.
Description of drawings
Fig. 1 is the use sketch map of embodiment of the zigzag hole cold extrusion device of the utility model;
Fig. 2 is the structural representation of embodiment of die of the zigzag hole cold extrusion device of the utility model;
Fig. 3 is the structural representation of embodiment of punch of the zigzag hole cold extrusion device of the utility model.
The specific embodiment
The embodiment of the zigzag hole cold extrusion device of the utility model; As shown in Figure 1, comprise die and punch, described die comprises die case 1; The endoporus of die case 1 is up big and down small ladder hole; The coaxial die plate insert 2 that is equipped with in the large diameter hole of die case 1, die plate insert 2 has tubular construction, and the diameter of bore of die plate insert 2 equates with the external diameter of workpiece; The endoporus of the minor diameter of die case 1 is used to dodge extrusion head cutter and the aperture endoporus aperture less than die plate insert 2; Described punch comprises that the through-hole guides that constitutes jointly with die plate insert endoporus and die case endoporus when using moves the guide post 4 that cooperates, and guide post 4 comprises transmission rod 41 and following lead 42, and last transmission rod 41 is provided with the countersunk head screwed hole; Following lead 42 is the big multidiameter of the little lower end diameter of upper end diameter; Following lead 42 upper ends convex with the external screw thread boss that is screwed in the said countersunk head screwed hole, and the little part of following lead 42 diameters is equipped with extrusion head cutter 5, and the lower surface of last transmission rod 41 is the seal face up and down that is used to compress extrusion head cutter 5 with the step surface of following lead 42; Extrusion head cutter 5 has the zigzag outer peripheral face of precessing saw shape internal tooth; Between step surface upper end and die plate insert 2 lower surfaces, is provided with the gasket ring 6 that is used for supporting workpiece 7 in the large diameter hole of die case 1, the internal diameter of gasket ring 6 is greater than the maximum outside diameter of extrusion head cutter 5, and less than the internal diameter of die plate insert.
The embodiment of the die of the zigzag hole cold extrusion device of the utility model, as shown in Figure 2, comprise die case 1; The endoporus of die case 1 is up big and down small ladder hole; The coaxial die plate insert 2 that is equipped with in the large diameter hole of die case 1, die plate insert 2 has tubular construction, and the diameter of bore of die plate insert 2 equates with the external diameter of workpiece; The endoporus of the minor diameter of die case 1 is used to dodge extrusion head cutter and the aperture endoporus aperture less than die plate insert 2; Between step surface upper end and die plate insert 2 lower surfaces, be provided with the gasket ring 6 that is used for supporting workpiece in the large diameter hole of die case 1, the endoporus of gasket ring 6 is used to dodge the extrusion head cutter, and the endoporus aperture is less than the internal diameter of die plate insert 2.
The embodiment of the punch of the zigzag hole cold extrusion device of the utility model; As shown in Figure 3; Comprise when using and move the guide post 4 that cooperates with die plate insert endoporus and the common through-hole guides that constitutes of die case endoporus, guide post 4 comprises transmission rod 41 and following lead 42, and last transmission rod 41 is provided with the countersunk head screwed hole; Following lead 42 is the big multidiameter of the little lower end diameter of upper end diameter; Following lead 42 upper ends convex with the external screw thread boss that is screwed in the said countersunk head screwed hole, and the little part of following lead 42 diameters is equipped with extrusion head cutter 5, and the lower surface of last transmission rod 41 is the seal face up and down that is used to compress extrusion head cutter 5 with the step surface of following lead 42; Extrusion head cutter 5 has the zigzag outer peripheral face of precessing saw shape internal tooth
The utility model in use; The workpiece cunning joined put into die plate insert, the upper surface of gasket ring will be close in the lower surface of workpiece, punch is passed by workpiece again; Exert pressure for last power transmission masthead portion through forcing press; The extrusion head cutter passes other end completion cold-stamped process by an end of workpiece under the drive of punch, the utility model helps reducing cost owing to be that one-shot forming production efficiency improves greatly simultaneously.
In other embodiment; Described helicitic texture can also be the ladder hole that is provided with of following lead; The lower end of last transmission rod is provided with the boss that is plugged in the said groove; Described boss is provided with screwed hole, and bolt passes said ladder hole and is screwed into and will goes up transmission rod in the said screwed hole and be connected with following lead.
In other embodiment, described guide post can also be processed integrative-structure.
In other embodiment, described extrusion head cutter can directly weld and be set to down on the lead.
Claims (10)
1. zigzag hole cold extrusion device; Comprise die and punch, it is characterized in that described die comprises die case; The endoporus of described die case is up big and down small ladder hole; The coaxial die plate insert that is equipped with in the large diameter hole of die case, described die plate insert has tubular construction, and the diameter of bore of die plate insert equates with the external diameter of workpiece; The endoporus of the minor diameter of die case is used to dodge extrusion head cutter and the aperture endoporus aperture less than die plate insert; Described punch comprises that the through-hole guides that constitutes jointly with die plate insert endoporus and die case endoporus when using moves the guide post that cooperates, and is equipped with the extrusion head cutter on the guide post, and the extrusion head cutter has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
2. zigzag according to claim 1 hole cold extrusion device; It is characterized in that; Between step surface upper end and die plate insert lower surface, be provided with the gasket ring that is used for supporting workpiece in the large diameter hole of said die case; The internal diameter of gasket ring is greater than the maximum outside diameter of extrusion head cutter, less than the internal diameter of die plate insert.
3. zigzag according to claim 1 hole cold extrusion device is characterized in that, described guide post comprises transmission rod and following lead, and last transmission rod is connected through helicitic texture with following lead, and described extrusion head cutter fixedly is assemblied in down on the lead.
4. zigzag according to claim 3 hole cold extrusion device is characterized in that, described thread mechanism comprises that transmission rod is provided with the countersunk head screwed hole, and following lead upper end convexes with the external screw thread boss that is screwed in the said countersunk head screwed hole.
5. zigzag according to claim 4 hole cold extrusion device; It is characterized in that; Described lead down is the big multidiameter of the little lower end diameter of upper end diameter; Described extrusion head cutter is assembled to down the lead small diameter portion, and the lower surface of last transmission rod is the seal face up and down of extrusion head cutter with the step surface of following lead.
6. the die of zigzag hole cold extrusion device; It is characterized in that, comprise die case, the endoporus of described die case is up big and down small ladder hole; The coaxial die plate insert that is equipped with in the large diameter hole of die case; Described die plate insert has tubular construction, and the diameter of bore of die plate insert equates with the external diameter of workpiece, and the endoporus of the minor diameter of die case is used to dodge extrusion head cutter and the endoporus aperture aperture less than the endoporus of die plate insert.
7. the die of zigzag according to claim 6 hole cold extrusion device; It is characterized in that; Between step surface upper end and die plate insert lower surface, be provided with the gasket ring that is used for supporting workpiece in the large diameter hole of die case; The endoporus of gasket ring is used to dodge the extrusion head cutter, and the endoporus aperture is less than the internal diameter of die plate insert.
8. the punch of zigzag hole cold extrusion device; It is characterized in that; The guide post that the through-hole guides that is used for constituting jointly with die plate insert endoporus and die case endoporus when comprising use moves is equipped with the extrusion head cutter on the guide post, the extrusion head cutter has the zigzag outer peripheral face that is used for precessing saw shape internal tooth.
9. the punch of zigzag according to claim 8 hole cold extrusion device; It is characterized in that; Described guide post comprises transmission rod and following lead, and last transmission rod is connected through helicitic texture with following lead, and described extrusion head cutter fixedly is assemblied in down on the lead.
10. the punch of zigzag according to claim 9 hole cold extrusion device; It is characterized in that; Described lead down is the big multidiameter of the little lower end diameter of upper end diameter; Described extrusion head cutter is assembled to down the lead small diameter portion, and the lower surface of last transmission rod is the seal face up and down of extrusion head cutter with the step surface of following lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205118478U CN202366983U (en) | 2011-12-09 | 2011-12-09 | Sawtooth-shaped hole cold extrusion device and female die as well as male die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205118478U CN202366983U (en) | 2011-12-09 | 2011-12-09 | Sawtooth-shaped hole cold extrusion device and female die as well as male die thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202366983U true CN202366983U (en) | 2012-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205118478U Expired - Lifetime CN202366983U (en) | 2011-12-09 | 2011-12-09 | Sawtooth-shaped hole cold extrusion device and female die as well as male die thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202366983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814350A (en) * | 2011-12-09 | 2012-12-12 | 洛阳轴研科技股份有限公司 | Sawtooth-shaped hole cold-extruding device and male die and female die thereof |
-
2011
- 2011-12-09 CN CN2011205118478U patent/CN202366983U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814350A (en) * | 2011-12-09 | 2012-12-12 | 洛阳轴研科技股份有限公司 | Sawtooth-shaped hole cold-extruding device and male die and female die thereof |
| CN102814350B (en) * | 2011-12-09 | 2014-10-22 | 洛阳轴研科技股份有限公司 | Sawtooth-shaped hole cold-extruding device and male die and female die thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120808 Effective date of abandoning: 20141022 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120808 Effective date of abandoning: 20141022 |
|
| RGAV | Abandon patent right to avoid regrant |