CN203541276U - Female die for punching vehicle parts - Google Patents
Female die for punching vehicle parts Download PDFInfo
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- CN203541276U CN203541276U CN201320664407.5U CN201320664407U CN203541276U CN 203541276 U CN203541276 U CN 203541276U CN 201320664407 U CN201320664407 U CN 201320664407U CN 203541276 U CN203541276 U CN 203541276U
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- die part
- blind hole
- hole
- chamfering
- die
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Abstract
The utility model discloses a female die for punching vehicle parts. The female die comprises a female die body comprising a first female die part, a second female die part and a third female die part which are sequentially coaxially arranged from left to right; the outer diameter of the first female die part is larger than that of the second female die part; the outer diameter of the second female die part is larger than that of the third female die part; a first middle hole is formed in the center of the first female die part; the depth of the first middle hole is larger than the axial thickness of the first female die part; a second middle hole coaxial and communicated with the first middle hole is formed in the center of the third female die part; the diameter of the first middle hole is larger than the diameter of the second middle hole. The female die has higher size precision, can be repetitively used and can ensure the manufacturing precision and the assembly precision of vehicle parts manufactured by using the female die.
Description
Technical field
The utility model relates to a kind of diel, relates in particular to a kind of auto-parts punching press die.
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 for the diel of punching press auto-parts, also need there is the higher accuracy of manufacture, to guarantee that the auto-parts of manufacturing meet the requirements.
Diel comprises punch and die, the method of processing die is general at present adopts traditional manual turnning and milling to grind processing, the die processing cannot reach the requirement to accuracy of each size, die cannot be assembled or use, cause die 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 die, it has higher dimensional accuracy, after repeatedly using, its dimensional accuracy is still within the scope of permissible accuracy, with the accuracy of manufacture and the assembly precision of the auto-parts of this matrix manufacturing of utility.
For reaching this object, the utility model by the following technical solutions:
A kind of auto-parts punching press die, comprise die body, described die body comprises the die Part I setting gradually from left to right, die Part II and die Part III, described die Part I, die Part II and die Part III coaxially arrange, the external diameter of described die Part I is greater than the external diameter of described die Part II, the external diameter of described die Part II is greater than the external diameter of described die Part III, between described die Part I and described die Part II and be positioned at described die Part II periphery annular groove is set,
The center of described die Part I offers the first middle blind hole, in the middle of described first, blind hole is extended and is arranged towards described die Part II away from a side of described die Part II by described die Part I, and the degree of depth of blind hole is greater than the axial width of described die Part I in the middle of described first, be less than the axial width sum of described die Part I and described die Part II;
The center of described die Part III offers the second middle blind hole, in the middle of described second, blind hole is extended and is arranged towards described die Part II away from a side of described die Part II by described die Part III, and the degree of depth of the described second middle blind hole is less than the axial width of described die Part III;
In the middle of described first, in the middle of blind hole and described second, blind hole coaxially arranges, and the diameter of the described first middle blind hole is less than the diameter of blind hole in the middle of described second;
In the middle of described first, in the middle of blind hole and described second, on the axial line of blind hole, the first through hole is set, the two ends of described the first through hole are communicated with blind hole in the middle of blind hole in the middle of described first and described second respectively, the both sides of the axial line of described the first through hole are respectively arranged with two the second through holes, the two ends of described the second through hole are communicated with blind hole in the middle of blind hole in the middle of described first and described second respectively, and the diameter of described the first through hole is less than the diameter of described the second through hole.
A kind of preferred version as auto-parts punching press with die, in the middle of described first, on the inwall of blind hole, offer three third through-holes, the axis of described third through-hole is parallel with the axis of blind hole in the middle of described first, and the degree of depth of described third through-hole is less than the degree of depth of blind hole in the middle of described first;
In the middle of described second, on the inwall of blind hole, offer three fourth holes, the axis of described fourth hole is parallel with the axis of blind hole in the middle of described second, described fourth hole is communicated with described third through-hole, and the axis of described third through-hole and the axis of described fourth hole are overlapping.
As a kind of preferred version of die for auto-parts punching press, described die Part I periphery arranges the first inclined-plane, described the first inclined-plane by described die Part I by described die Part II and extend to described die 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 die Part I, described the second inclined-plane extends to described die Part II periphery by described die Part I, and described the 3rd inclined-plane extends to described die Part II periphery by described die Part I;
The width on described the first inclined-plane is less than the external diameter of described die Part I, and the width on described the first inclined-plane equals the external diameter of described die Part III.
A kind of preferred version as auto-parts punching press with die, described die Part I two ends are provided with the first chamfering, described die Part III arranges the second chamfering away from one end of described die Part II, in the middle of described first, blind hole arranges the 3rd chamfering away from one end of the described second middle blind hole, and the described second middle blind hole arranges the 4th chamfering away from one end of the described first middle blind hole.
A kind of preferred version as auto-parts punching press with die, described the first chamfering, described the second chamfering and the 3rd chamfering are straight line chamfering, and described the 4th chamfering is circular arc chamfering.
A kind of preferred version as auto-parts punching press with die, described die body adopts 440C to make.
A processing method for die for auto-parts punching press, it,, for processing die as above, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of die body and external diameter;
Step S20, Pu Chekai are thick, engine lathe is by cylindrical to the die Part I on described die body, die Part II and the rough turn one-tenth of die Part III, and the size of described die Part I, die Part II and die Part III all leaves allowance for finish;
Step S30, milling machine boring, milling machine bores three third through-holes on described die Part I;
Step S40, HRC detect, and the described die body after rough turn is carried out to hardness detection;
The external diameter of die body described in step S50, centerless grinder reconditioning;
The plane at the two ends of die body described in step S60, grinding machine reconditioning;
Blind hole in the middle of blind hole and second in the middle of step S70, the processing first of numerical control punch, guarantees in process that the described first middle blind hole and the second middle blind hole are coaxial;
Step S80, numerically controlled lathe finish turning profile, numerically controlled lathe is finish-machined to cylindrical by described die Part I, die Part II and die Part III on described die body, fine finishining annular groove between die Part II and die Part I simultaneously, and in the size of described die Part II, stay thin pressure surplus;
Step S90, repair the plane at described die body two ends, and leave 0.05mm surplus at the end face of described die Part III;
Step S100, punch are punched the second through hole, fourth hole wire hole;
Step S110, slow wire feeding moulding the second through hole and fourth hole, Wire EDM is by the second through hole and fourth hole machine-shaping;
Step S120, Electrical Discharge Machine are processed third through-hole;
Step S130, reconditioning the first through hole, make described the first through hole machine-shaping;
Step S140, repair the plane at described die body two ends;
Step S150, engine lathe chamfering, engine lathe is by the first chamfering, the second chamfering, the 3rd chamfering and the 4th chamfer machining moulding;
Step S160, carefully press described die Part II;
Step S170, slow wire feeding 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 die body, make the machine-shaping of described die body;
Die body described in step S180, the reconditioning of surface grinding machine entirety.
A kind of preferred version as auto-parts punching press by the processing method of die, setting steps S141 between described step S140 and described step S150: semi-finished product detect.
A kind of preferred version as auto-parts punching press by the processing method of die, setting steps S181 after described step S180: finished product detection.
A kind of preferred version as auto-parts punching press by the processing method of die, 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 die, after repeatedly using, its dimensional accuracy is still within the scope of permissible accuracy, with the accuracy of manufacture and the assembly precision of the auto-parts of this matrix manufacturing of utility.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of the auto-parts punching press die described in utility model embodiment;
Fig. 2 is that the A of Fig. 1 is to schematic diagram.
In Fig. 1 to 2:
1, die Part I; 2, die Part II; 3, die Part III; 4, annular groove; 5, the first middle blind hole; 6, the second middle blind hole; 7, the first through hole; 8, the second through hole; 9, third through-hole; 10, fourth hole; 11, the first inclined-plane; 12, the second inclined-plane; 13, the 3rd inclined-plane; 14, the first chamfering; 15, the second chamfering; 16, the 3rd chamfering; 17, the 4th chamfering.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
As illustrated in fig. 1 and 2 in embodiment, auto-parts punching press die of the present utility model, comprise die body, die body comprises the die Part I 1 setting gradually from left to right, die Part II 2 and die Part III 3, die Part I 1, die Part II 2 and die Part III 3 coaxially arrange, the external diameter of die Part I 1 is greater than the external diameter of die Part II 2, the external diameter of die Part II 2 is greater than the external diameter of die Part III 3, between die Part I 1 and die Part II 2 and be positioned at die Part II 2 peripheries annular groove 4 is set.
The center of die Part I 1 offers the first middle blind hole 5, in the middle of first, blind hole 5 is extended setting away from a side of die Part II 2 towards die Part II 2 by die Part I 1, and the degree of depth of blind hole 5 is greater than the axial width of die Part I 1 in the middle of first, be less than the axial width sum of die Part I 1 and die Part II 2.
The center of die Part III 3 offers the second middle blind hole 6, in the middle of second, blind hole 6 is extended setting away from a side of die Part II 2 towards die Part II 2 by die Part III 3, and the degree of depth of the second middle blind hole 6 is less than the axial width of die Part III 3.
In the middle of first, in the middle of blind hole 5 and second, blind hole 6 coaxially arranges, and the diameter of the first middle blind hole 5 is less than the diameter of blind hole 6 in the middle of second.
In the middle of first, in the middle of blind hole 5 and second, on the axial line of blind hole 6, the first through hole 7 is set, the two ends of the first through hole 7 are communicated with blind hole 6 in the middle of blind hole 5 in the middle of first and second respectively, the both sides of the axial line of the first through hole 7 are respectively arranged with two the second through holes 8, the two ends of the second through hole 8 are communicated with blind hole 6 in the middle of blind hole 5 in the middle of first and second respectively, and the diameter of the first through hole 7 is less than the diameter of the second through hole 8.
In the middle of first, on the inwall of blind hole 5, offer three third through-holes 9, the axis of third through-hole 9 is parallel with the axis of blind hole 5 in the middle of first, and the degree of depth of third through-hole 9 is less than the degree of depth of blind hole 5 in the middle of first.
In the middle of second, on the inwall of blind hole 6, offer three fourth holes 10, the axis of fourth hole 10 is parallel with the axis of blind hole 6 in the middle of second, and fourth hole 10 is communicated with third through-hole 9, and the axis of the axis of third through-hole 9 and fourth hole 10 is overlapping.
Die Part I 1 periphery arrange 11, the first inclined-planes 11, the first inclined-plane by die Part I 1 by die Part II 2 and extend to die Part III 3 peripheries.
Peripheral and be positioned at the first inclined-plane 11 bilateral symmetry the second inclined-plane 12 and the 3rd inclined-plane 13 are set at die Part I 1, the second inclined-plane 12 extends to die Part II 2 peripheries by die Part I 1, and the 3rd inclined-plane 13 extends to die Part II 2 peripheries by die Part I 1.
The width on the first inclined-plane 11 is less than the external diameter of die Part I 1, and the width on the first inclined-plane 11 equals the external diameter of die Part III 3.
In the present embodiment, the angle between the second inclined-plane 12 and the 3rd inclined-plane 13 is 36 °.
Die Part I 1 two ends are provided with the first chamfering 14, die Part III 3 arranges the second chamfering 15 away from one end of die Part II 2, in the middle of first, blind hole 5 arranges the middle blind hole 6 of the 3rd chamfering 16, the second away from one end of the second middle blind hole 6, away from one end of the first middle blind hole 5, the 4th chamfering 17 is set.
The first chamfering 14, the second chamfering 15 and the 3rd chamfering 16 are straight line chamfering, and the 4th chamfering 17 is circular arc chamfering.
Die body adopts 440C to make.
A processing method for die for auto-parts punching press, comprises the steps:
Step S10, blanking, add blanking after certain surplus by the length of die body and external diameter;
Step S20, Pu Chekai are thick, engine lathe is by cylindrical to the die Part I 1 on die body, die Part II 2 and the rough turn one-tenth of die Part III 3, and the size of die Part I 1, die Part II 2 and die Part III 3 all leaves allowance for finish;
Step S30, milling machine boring, milling machine bores three third through-holes 9 on die Part I 1;
Step S40, HRC detect, and the die body after rough turn is carried out to hardness detection;
The external diameter of step S50, centerless grinder reconditioning die body;
The plane at the two ends of step S60, grinding machine reconditioning die body;
Step S80, numerically controlled lathe finish turning profile, numerically controlled lathe is finish-machined to cylindrical by the die Part I 1 on die body, die Part II 2 and die Part III 3, fine finishining annular groove 4 between die Part II 2 and die Part I 1 simultaneously, and in the size of die Part II 2, stay thin pressure surplus;
The plane at step S90, finishing die body two ends, and leave 0.05mm surplus at the end face of die Part III 3;
Step S100, punch are punched the second through hole 8, fourth hole 10 use wire holes;
Step S110, slow wire feeding moulding the second through hole 8 and fourth hole 10, Wire EDM is by the second through hole 8 and fourth hole 10 machine-shapings;
Step S120, Electrical Discharge Machine are processed third through-hole 16;
Step S130, reconditioning the first through hole 7, make the first through hole 7 machine-shapings;
The plane at step S140, finishing die body two ends;
Step S141: semi-finished product detect;
Step S150, engine lathe chamfering, engine lathe is by the first chamfering 14, the second chamfering 15, the 3rd chamfering 16 and the 4th chamfering 17 machine-shapings;
Step S160, carefully press mould Part II 2;
Step S170, slow wire feeding the first inclined-plane 11, the second inclined-plane 12 and the 3rd inclined-plane 13 utilize Wire EDM the first inclined-plane 11, the second inclined-plane 12 and the 3rd inclined-plane 13 on die body, make the machine-shaping of die body;
Step S180, surface grinding machine entirety reconditioning die body;
Step S181: finished product detection.
In this city example, semi-finished product detect and finished product detection all adopts 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 die, it is characterized in that, comprise die body, described die body comprises the die Part I setting gradually from left to right, die Part II and die Part III, described die Part I, die Part II and die Part III coaxially arrange, the external diameter of described die Part I is greater than the external diameter of described die Part II, the external diameter of described die Part II is greater than the external diameter of described die Part III, between described die Part I and described die Part II and be positioned at described die Part II periphery annular groove is set,
The center of described die Part I offers the first middle blind hole, in the middle of described first, blind hole is extended and is arranged towards described die Part II away from a side of described die Part II by described die Part I, and the degree of depth of blind hole is greater than the axial width of described die Part I in the middle of described first, be less than the axial width sum of described die Part I and described die Part II;
The center of described die Part III offers the second middle blind hole, in the middle of described second, blind hole is extended and is arranged towards described die Part II away from a side of described die Part II by described die Part III, and the degree of depth of the described second middle blind hole is less than the axial width of described die Part III;
In the middle of described first, in the middle of blind hole and described second, blind hole coaxially arranges, and the diameter of the described first middle blind hole is less than the diameter of blind hole in the middle of described second;
In the middle of described first, in the middle of blind hole and described second, on the axial line of blind hole, the first through hole is set, the two ends of described the first through hole are communicated with blind hole in the middle of blind hole in the middle of described first and described second respectively, the both sides of the axial line of described the first through hole are respectively arranged with two the second through holes, the two ends of described the second through hole are communicated with blind hole in the middle of blind hole in the middle of described first and described second respectively, and the diameter of described the first through hole is less than the diameter of described the second through hole.
2. auto-parts punching press die according to claim 1, it is characterized in that, in the middle of described first, on the inwall of blind hole, offer three third through-holes, the axis of described third through-hole is parallel with the axis of blind hole in the middle of described first, and the degree of depth of described third through-hole is less than the degree of depth of blind hole in the middle of described first;
In the middle of described second, on the inwall of blind hole, offer three fourth holes, the axis of described fourth hole is parallel with the axis of blind hole in the middle of described second, described fourth hole is communicated with described third through-hole, and the axis of described third through-hole and the axis of described fourth hole are overlapping.
3. auto-parts punching press die according to claim 2, it is characterized in that, described die Part I periphery arranges the first inclined-plane, described the first inclined-plane by described die Part I by described die Part II and extend to described die 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 die Part I, described the second inclined-plane extends to described die Part II periphery by described die Part I, and described the 3rd inclined-plane extends to described die Part II periphery by described die Part I;
The width on described the first inclined-plane is less than the external diameter of described die Part I, and the width on described the first inclined-plane equals the external diameter of described die Part III.
4. auto-parts punching press die according to claim 3, it is characterized in that, described die Part I two ends are provided with the first chamfering, described die Part III arranges the second chamfering away from one end of described die Part II, in the middle of described first, blind hole arranges the 3rd chamfering away from one end of the described second middle blind hole, and the described second middle blind hole arranges the 4th chamfering away from one end of the described first middle blind hole.
5. auto-parts punching press die according to claim 4, is characterized in that, described the first chamfering, described the second chamfering and the 3rd chamfering are straight line chamfering, and described the 4th chamfering is circular arc chamfering.
6. according to the auto-parts punching press die described in claim 1 to 5 any one, it is characterized in that, described die body adopts 440C to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664407.5U CN203541276U (en) | 2013-10-25 | 2013-10-25 | Female die for punching vehicle parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664407.5U CN203541276U (en) | 2013-10-25 | 2013-10-25 | Female die for punching vehicle parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203541276U true CN203541276U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664407.5U Expired - Fee Related CN203541276U (en) | 2013-10-25 | 2013-10-25 | Female die for punching vehicle parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203541276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521621A (en) * | 2013-10-25 | 2014-01-22 | 昆山精创模具有限公司 | Female die for stamping of automobile parts and machining method thereof |
-
2013
- 2013-10-25 CN CN201320664407.5U patent/CN203541276U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521621A (en) * | 2013-10-25 | 2014-01-22 | 昆山精创模具有限公司 | Female die for stamping of automobile parts and machining method thereof |
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| 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: 20140416 Termination date: 20211025 |
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| CF01 | Termination of patent right due to non-payment of annual fee |