CN203592055U - Male die for stamping automotive components - Google Patents
Male die for stamping automotive components Download PDFInfo
- Publication number
- CN203592055U CN203592055U CN201320664514.8U CN201320664514U CN203592055U CN 203592055 U CN203592055 U CN 203592055U CN 201320664514 U CN201320664514 U CN 201320664514U CN 203592055 U CN203592055 U CN 203592055U
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- punch part
- punch
- described punch
- interstitial hole
- chamfering
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Abstract
The utility model discloses a male die for stamping automotive components. The male die for stamping the automotive components comprises a male die body, wherein the male die body comprises a male die first portion, a male die second portion and a male die third portion, the male die first portion, the male die second portion and the male die third portion are arranged in sequence from left to right in a coaxial mode, the outer diameter of the male die first portion is larger than that of the male die second portion, the outer diameter of the male die second portion is larger than that of the male die third portion, a first middle hole is formed in the center of the male die first portion, the depth of the first middle hole is larger than the axial thickness of the male die first portion, a second middle hole is formed in the center of the male die third portion, the second middle hole and the first middle hole are coaxial, the second middle hole is communicated with the first middle hole, and the diameter of the first middle hole is larger than that of the second middle hole. The male die for stamping the automotive components has high dimensional accuracy, and can be repeatedly used, and manufacturing accuracy and assembly accuracy of the automotive components manufactured by using the male die can be ensured.
Description
Technical field
The utility model relates to a kind of diel, relates in particular to a kind of auto-parts punching press punch.
Background technology
Auto-parts, because of the restriction of its environment for use, need to have the higher accuracy of manufacture and assembly precision.Therefore also need there is the higher accuracy of manufacture for the diel of punching press auto-parts, to guarantee that the auto-parts of manufacturing meet the requirements.
Diel comprises die and punch, the method of processing punch is general at present adopts traditional manual turnning and milling to grind processing, the punch processing cannot reach the requirement of each size to accuracy, punch cannot be assembled or use, cause punch need to carry out secondary operations or directly scrap, increase cost, extended the production cycle.
Utility model content
The purpose of this utility model is to propose a kind of auto-parts punching press punch, it has higher dimensional accuracy, after repeatedly using, its dimensional accuracy is still in the accuracy rating of needs, the accuracy of manufacture and the assembly precision of the auto-parts that this punch of utility is manufactured.
For reaching this object, the utility model by the following technical solutions:
A kind of auto-parts punching press punch, comprise punch body, described punch body comprises the punch Part I setting gradually from left to right, punch Part II and punch Part III, described punch Part I, punch Part II and punch Part III coaxially arrange, the external diameter of described punch Part I is greater than the external diameter of described punch Part II, the external diameter of described punch Part II is greater than the external diameter of described punch Part III, between described punch Part I and described punch Part II and be positioned at described punch Part II periphery annular groove is set,
The center of described punch Part I offers the first interstitial hole, described the first interstitial hole is extended and arranges towards described punch Part II away from a side of described punch Part II by described punch Part I, and the degree of depth of described the first interstitial hole is greater than the axial width of described punch Part I;
The center of described punch Part III offers the second interstitial hole, and described the second interstitial hole is extended and arranges and be communicated with described the first interstitial hole towards described punch Part II away from a side of described punch Part II by described punch Part III;
Described the first interstitial hole and described the second interstitial hole coaxially arrange, and the diameter of described the first interstitial hole is greater than the diameter of described the second interstitial hole.
As a kind of preferred version of punch for auto-parts punching press, described punch Part I periphery arranges the first inclined-plane, described the first inclined-plane by described punch Part I by described punch Part II and extend to described punch Part III periphery;
Peripheral and be positioned at described the first inclined-plane bilateral symmetry the second inclined-plane and the 3rd inclined-plane are set at described punch Part I, described the second inclined-plane extends to described punch Part II periphery by described punch Part I, and described the 3rd inclined-plane extends to described punch Part II periphery by described punch Part I;
The width on described the first inclined-plane is less than the external diameter of described punch Part I, and the width on described the first inclined-plane is greater than the external diameter of described punch Part III.
Further, the angle between described the second inclined-plane and described the 3rd inclined-plane is 36 °.
A kind of preferred version as auto-parts punching press with punch, described punch Part I two ends are provided with the first chamfering, described punch Part II arranges the second chamfering near one end of described punch Part III, and described punch Part III arranges the 3rd chamfering away from one end of described punch Part II.
A kind of preferred version as auto-parts punching press with punch, described the first chamfering and described the second chamfering are straight line chamfering, and described the 3rd chamfering is circular arc chamfering.
A kind of preferred version as auto-parts punching press with punch, described the first interstitial hole arranges the 4th chamfering away from one end of described the second interstitial hole.
A kind of preferred version as auto-parts punching press with punch, described punch body adopts 440C to make.
A processing method for punch for auto-parts punching press, it,, for processing punch as above, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of punch body and external diameter;
Step S20, Pu Chekai are thick, engine lathe is by cylindrical to the punch Part I on described punch body, punch Part II and the rough turn one-tenth of punch Part III, the size of described punch Part I, punch Part II and punch Part III all leaves allowance for finish, and at the centre drill of described punch body wire hole and the first interstitial hole for the second interstitial hole;
Step S30, HRC detect, and the described punch body after rough turn is carried out to hardness detection;
Step S40, numerically controlled lathe finish turning profile, numerically controlled lathe is finish-machined to cylindrical by described punch Part I, punch Part II and punch Part III on described punch body, fine finishining annular groove between punch Part II and punch Part I simultaneously, and in the size of described punch Part II, stay thin pressure surplus;
Step S50, process the end face at described punch body two ends, numerically controlled lathe is the end face machine-shaping away from described punch Part II away from the end face of one end of described punch Part II and described punch Part III by described punch Part I;
Step S60, Electrical Discharge Machine are processed described the first interstitial hole;
The second interstitial hole described in step S70, slow wire feeding moulding, Wire EDM is by described the second interstitial hole machine-shaping;
The external diameter of punch body described in step S80, surface grinding machine reconditioning;
Step S90, engine lathe chamfering, engine lathe is by the first chamfering, the second chamfering, the 3rd chamfering and the 4th chamfer machining moulding;
Step S100, centerless grinder are carefully pressed described punch Part II;
Step S110, slow wire feeding moulding the first inclined-plane, the second inclined-plane and the 3rd inclined-plane utilize the first inclined-plane described in Wire EDM, the second inclined-plane and the 3rd inclined-plane on described punch body, make the machine-shaping of described punch body.
A kind of preferred version as auto-parts punching press by the processing method of punch, setting steps S91 between described step S90 and described step S100: semi-finished product detect.
A kind of preferred version as auto-parts punching press by the processing method of punch, setting steps S111 after described step S110: finished product detection.
A kind of preferred version as auto-parts punching press by the processing method of punch, described semi-finished product detect and described finished product detection all adopts red lead to detect.
The beneficial effects of the utility model are: auto-parts described in the utility model have higher dimensional accuracy with punch, after repeatedly using, its dimensional accuracy is still in the accuracy rating of needs, the accuracy of manufacture and the assembly precision of the auto-parts that this punch of utility is manufactured.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of the auto-parts punching press punch described in utility model embodiment;
Fig. 2 is that the A of Fig. 1 is to schematic diagram.
In Fig. 1 to 2:
1, punch Part I; 2, punch Part II; 3, punch Part III; 4, annular groove; 5, the first interstitial hole; 6, the second interstitial hole; 7, the first inclined-plane; 8, the second inclined-plane; 9, the 3rd inclined-plane; 10, the first chamfering; 11, the second chamfering; 12, the 3rd chamfering; 13, the 4th chamfering.
The specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
As illustrated in fig. 1 and 2 in embodiment, auto-parts punching press punch of the present utility model, comprise punch body, punch body comprises the punch Part I 1 setting gradually from left to right, punch Part II 2 and punch Part III 3, punch Part I 1, punch Part II 2 and punch Part III 3 coaxially arrange, the external diameter of punch Part I 1 is greater than the external diameter of punch Part II 2, the external diameter of punch Part II 2 is greater than the external diameter of punch Part III 3, between punch Part I 1 and punch Part II 2 and be positioned at punch Part II 2 peripheries annular groove 4 is set.
The center of punch Part I 1 offers the first interstitial hole 5, the first interstitial hole 5 extends setting away from a side of punch Part II 2 towards punch Part II 2 by punch Part I 1, and the degree of depth of the first interstitial hole 5 is greater than the axial width of punch Part I 1.
The center of punch Part III 3 offers the second interstitial hole 6, the second interstitial holes 6 and is extended and arrange and be communicated with the first interstitial hole 5 towards punch Part II 2 away from a side of punch Part II 2 by punch Part III 3.
The first interstitial hole 5 and the second interstitial hole 6 coaxially arrange, and the diameter of the first interstitial hole 5 is greater than the diameter of the second interstitial hole 6.
Punch Part I 1 periphery arrange 7, the first inclined-planes 7, the first inclined-plane by punch Part I 1 by punch Part II 2 and extend to the 3rd 3 points of peripheries of punch.
Peripheral and be positioned at the first inclined-plane 7 bilateral symmetry the second inclined-plane 8 and the 3rd inclined-plane 9 are set at punch Part I 1, the second inclined-plane 8 extends to punch Part II 2 peripheries by punch Part I 1, and the 3rd inclined-plane 9 extends to punch Part II 2 peripheries by punch Part I 1.
The width on the first inclined-plane 7 is less than the external diameter of punch Part I 1, and the width on the first inclined-plane 7 is greater than the external diameter of punch Part III 3.
Angle between the second inclined-plane 8 and the 3rd inclined-plane 9 is 36 °.
Punch Part I 1 two ends are provided with the first chamfering 10, and punch Part II 2 arranges the second chamfering 11 near one end of punch Part III 3, and punch Part III 3 arranges the 3rd chamfering 12 away from one end of punch Part II 2.
The first chamfering 10 and the second chamfering 11 are straight line chamfering, and the 3rd chamfering 12 is circular arc chamfering.
The first interstitial hole 5 arranges the 4th chamfering 13 away from one end of the second interstitial hole 6.
In the present embodiment, punch body adopts 440C to make.
A processing method for punch for auto-parts punching press, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of punch body and external diameter;
Step S20, Pu Chekai are thick, engine lathe is by cylindrical to the punch Part I 1 on punch body, punch Part II 2 and the rough turn one-tenth of punch Part III 3, the size of punch Part I 1, punch Part II 2 and punch Part III 3 all leaves allowance for finish, and at centre drill second interstitial hole 6 use wire holes and first interstitial hole 5 of punch body;
Step S30, HRC detect, and the punch body after rough turn is carried out to hardness detection;
Step S40, numerically controlled lathe finish turning profile, numerically controlled lathe is finish-machined to cylindrical by the punch Part I 1 on punch body, punch Part II 2 and punch Part III 3, fine finishining annular groove 4 between punch Part II 2 and punch Part I 1 simultaneously, and in the size of punch Part II 2, stay thin pressure surplus, surplus is 0.002mm;
The end face at step S50, processing punch body two ends, numerically controlled lathe is the end face machine-shaping away from punch Part II 2 away from the end face of one end of described punch Part II 2 and punch Part III 3 by punch Part I 1;
Step S60, Electrical Discharge Machine are processed described the first interstitial hole 5;
Step S70, slow wire feeding moulding the second interstitial hole 6, Wire EDM is by the second interstitial hole 6 machine-shapings;
The external diameter of step S80, surface grinding machine reconditioning punch body;
Step S90, engine lathe chamfering, engine lathe is by the first chamfering 10, the second chamfering 11, the 3rd chamfering 12 and the 4th chamfering 13 machine-shapings;
Step S91: semi-finished product detect
Step S100, the thin belling mould of centerless grinder Part II 2;
Step S110, slow wire feeding the first inclined-plane 7, the second inclined-plane 8 and the 3rd inclined-plane 9 utilize Wire EDM the first inclined-plane 7, the second inclined-plane 8 and the 3rd inclined-plane 9 on punch body, make the machine-shaping of punch body;
Step S111: finished product detection.
In the present embodiment, semi-finished product detection and finished product detection all adopt red lead to detect.
" first " of the present utility model, " second ", " the 3rd ", " 4th " etc., only, for being distinguished on describing, do not have special implication.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (6)
1. an auto-parts punching press punch, it is characterized in that, comprise punch body, described punch body comprises the punch Part I setting gradually from left to right, punch Part II and punch Part III, described punch Part I, punch Part II and punch Part III coaxially arrange, the external diameter of described punch Part I is greater than the external diameter of described punch Part II, the external diameter of described punch Part II is greater than the external diameter of described punch Part III, between described punch Part I and described punch Part II and be positioned at described punch Part II periphery annular groove is set,
The center of described punch Part I offers the first interstitial hole, described the first interstitial hole is extended and arranges towards described punch Part II away from a side of described punch Part II by described punch Part I, and the degree of depth of described the first interstitial hole is greater than the axial width of described punch Part I;
The center of described punch Part III offers the second interstitial hole, and described the second interstitial hole is extended and arranges and be communicated with described the first interstitial hole towards described punch Part II away from a side of described punch Part II by described punch Part III;
Described the first interstitial hole and described the second interstitial hole coaxially arrange, and the diameter of described the first interstitial hole is greater than the diameter of described the second interstitial hole.
2. auto-parts punching press punch according to claim 1, it is characterized in that, described punch Part I periphery arranges the first inclined-plane, described the first inclined-plane by described punch Part I by described punch Part II and extend to described punch Part III periphery;
Peripheral and be positioned at described the first inclined-plane bilateral symmetry the second inclined-plane and the 3rd inclined-plane are set at described punch Part I, described the second inclined-plane extends to described punch Part II periphery by described punch Part I, and described the 3rd inclined-plane extends to described punch Part II periphery by described punch Part I;
The width on described the first inclined-plane is less than the external diameter of described punch Part I, and the width on described the first inclined-plane is greater than the external diameter of described punch Part III.
3. auto-parts punching press punch according to claim 2, it is characterized in that, described punch Part I two ends are provided with the first chamfering, described punch Part II arranges the second chamfering near one end of described punch Part III, and described punch Part III arranges the 3rd chamfering away from one end of described punch Part II.
4. auto-parts punching press punch according to claim 3, is characterized in that, described the first chamfering and described the second chamfering are straight line chamfering, and described the 3rd chamfering is circular arc chamfering.
5. auto-parts punching press punch according to claim 4, is characterized in that, described the first interstitial hole arranges the 4th chamfering away from one end of described the second interstitial hole.
6. according to the auto-parts punching press punch described in claim 1 to 5 any one, it is characterized in that, described punch body adopts 440C to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664514.8U CN203592055U (en) | 2013-10-25 | 2013-10-25 | Male die for stamping automotive components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664514.8U CN203592055U (en) | 2013-10-25 | 2013-10-25 | Male die for stamping automotive components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592055U true CN203592055U (en) | 2014-05-14 |
Family
ID=50673003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664514.8U Expired - Fee Related CN203592055U (en) | 2013-10-25 | 2013-10-25 | Male die for stamping automotive components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537554A (en) * | 2013-10-25 | 2014-01-29 | 昆山精创模具有限公司 | Automobile parts stamping used male die and processing method thereof |
-
2013
- 2013-10-25 CN CN201320664514.8U patent/CN203592055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537554A (en) * | 2013-10-25 | 2014-01-29 | 昆山精创模具有限公司 | Automobile parts stamping used male die and processing method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20211025 |