CN212397818U - Combined forming die of air outlet end cone of automobile exhaust system - Google Patents
Combined forming die of air outlet end cone of automobile exhaust system Download PDFInfo
- Publication number
- CN212397818U CN212397818U CN201922090610.6U CN201922090610U CN212397818U CN 212397818 U CN212397818 U CN 212397818U CN 201922090610 U CN201922090610 U CN 201922090610U CN 212397818 U CN212397818 U CN 212397818U
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- die
- hole flanging
- forming
- female die
- punching
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Abstract
The utility model discloses a combination forming die of end awl of giving vent to anger of automobile exhaust system, including cope match-plate pattern and the lower bolster of mutual open-close mould, just adjacent punching hole shaping module, hole flanging shaping module and beating protruding shaping module of having set up in proper order between cope match-plate pattern and the lower bolster, punching hole shaping module, hole flanging shaping module and beating protruding shaping module carry out path end punching hole shaping processing, path end hole flanging shaping and protruding shaping of structure respectively to giving vent to anger end awl casing semi-manufactured goods, can be high-quality carry out stamping forming processing to giving vent to anger end awl casing, and can effectually avoid phenomenons such as fold and the stretch-fracture of casing outer wall, transition turn is even everywhere, and the finished product percent of pass is high.
Description
Technical Field
The utility model belongs to the stamping forming field, in particular to automobile exhaust system's the combination forming die of the end awl of giving vent to anger.
Background
As shown in fig. 1 to 4, an air outlet end cone shell 100 of an automobile exhaust system is a reducing bent tubular structure, and is made of stainless steel, which includes a large diameter end 101 and a small diameter end 102, and the large diameter end 101 and the small diameter end 102 respectively include a large diameter flange 103 and a small diameter flange 104, and the large diameter flange 103 and the small diameter flange 104 are regular circular ring structures, and include a protruding structure 105 protruding outward. And forming a small-diameter end structure in the air outlet end cone shell by using a corresponding processing mold.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides an automobile exhaust system's the combination forming die of the end awl of giving vent to anger to high-quality stamping forming end awl casing of giving vent to anger.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a combined forming die of end awl of giving vent to anger of automobile exhaust system, includes cope match-plate pattern and the lower bolster of mutual open-close mould, just adjacent punching a hole shaping module, hole flanging shaping module and the shaping module of beating protruding of having set gradually between cope match-plate pattern and the lower bolster, punching a hole shaping module, hole flanging shaping module and the shaping module of beating protruding carry out path end punching a hole shaping processing, path end hole flanging shaping and the shaping of beating protruding structure to giving vent to anger end awl casing semi-manufactured goods respectively.
Furthermore, the punching forming module comprises a first pressure plate, a first punching male die, a first punching female die and a first female die insert, the first punching female die is arranged on the lower die plate, the first female die insert is detachably arranged on the first punching female die, the first female die insert comprises a first positioning section A, the first positioning section A is matched with the inner contour surface of the air outlet end cone, a punching opening is formed in the first female die insert in a through mode, the punching opening is of a regular circular structure, and the axial direction of the punching opening is vertically arranged downwards; the upper die plate is elastically and telescopically provided with a first pressure plate, the bottom surface of the first pressure plate comprises a first positioning profile B which is matched with the outer contour surface of the air outlet end cone shell, the first punching male die is arranged on the upper die plate, and the first punching male die penetrates through the first pressure plate corresponding to the blanking opening.
Furthermore, the hole flanging molding module comprises a second pressure plate, a second molding female die and a second hole flanging molding punch, the second pressure plate is elastically and telescopically arranged on the lower template, the second hole flanging molding punch is arranged on the lower template and extends upwards through the second pressure plate, the second molding female die is fixedly arranged on the bottom surface of the upper template, a second positioning molding surface A matched with the outer contour of the air outlet end cone is concavely arranged on the bottom surface of the second molding female die, and the hole flanging molding female die corresponding to the second hole flanging molding punch is penetratingly arranged on the second molding female die; and under the die assembly state, the second hole flanging forming punch extends into the hole flanging forming female die to expand the small-diameter end port of the hole flanging.
Furthermore, the second hole flanging forming punch comprises a second positioning portion and a hole flanging portion which are integrally arranged, the second positioning portion is connected to the second pressure plate, the second positioning portion comprises a second positioning surface B matched with the inner contour surface of the air outlet end cone, the hole flanging portion is of a cylindrical rod body structure, and the axis of the hole flanging portion is arranged in the vertical direction.
The hole flanging die further comprises a second upper top plate, wherein a gap of the second upper top plate is arranged in the hole flanging forming concave die, the bottom end of the second upper top plate comprises an annular upper top ring, and the inner diameter of the upper top ring is smaller than the diameter of the hole flanging part; and under the die assembly state, the upper top ring is pressed on the small-diameter end port of the air outlet end cone.
Has the advantages that: the utility model discloses can be high-quality carry out stamping forming processing to the end awl casing of giving vent to anger, and can effectually avoid the fold of casing outer wall and phenomenons such as drawing and splitting, the transition turn everywhere is even, and the finished product qualification rate is high.
Drawings
FIG. 1 is a schematic structural view of a gas outlet end cone shell processed by the utility model;
FIG. 2 is a schematic view of the small-diameter end punching and forming in the process steps of the present invention;
FIG. 3 is a schematic view of the small-diameter end hole flanging in the process steps of the present invention;
FIG. 4 is a schematic view of the embossing molding in the process steps of the present invention;
FIG. 5 is a front view of the overall structure of the combined mold of the present invention;
FIG. 6 is a top view of the lower mold plate of the combined mold of the present invention;
fig. 7 is a perspective view of an upper mold plate of the combined mold of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 5 to 7, the combined forming die for the air outlet end cone of the automobile exhaust system comprises an upper die plate 1 and a lower die plate 2 which are mutually opened and closed, a punching forming module, a hole flanging forming module and a protruding forming module are sequentially and adjacently arranged between the upper die plate 1 and the lower die plate 2, and the punching forming module, the hole flanging forming module and the protruding forming module respectively perform small-diameter end punching forming processing, small-diameter end hole flanging forming and protruding forming of a protruding structure on a semi-finished product of the air outlet end cone shell. Through three module common mode settings, can be at the mould in-process that opens and shuts once, carry out different shaping processes to a plurality of end awl casings 100 of giving vent to anger simultaneously, promotion machining efficiency that can be by a wide margin reduces the processing manufacturing cost of mould moreover.
The punching forming module comprises a first pressure plate 11, a first punching male die 11, a first punching female die 18 and a first female die insert 16, the first punching female die 18 is arranged on the lower die plate 2, the first female die insert 16 is detachably arranged on the first punching female die 18, the first female die insert 16 comprises a first positioning profile A13, the first positioning profile A13 is matched with the inner profile of the air outlet end cone, a punching port 19 is formed in the first female die insert 16 in a penetrating mode, the punching port 19 is of a regular circular structure, and the axial direction of the punching port 19 is vertically arranged downwards; elastic stretch out and draw back is provided with first pressure flitch 12 on the cope match-plate pattern 1, and leads through guide block 17, first pressure flitch 12 bottom surface includes the first location profile B that suits with the end of giving vent to anger awl casing outer profile face, first terrace die 11 that punches a hole sets up on the cope match-plate pattern, just first terrace die 11 that punches a hole passes corresponding to blanking mouth 19 first pressure flitch. And during die assembly, the small-diameter end 102 of the air outlet end cone shell is blanked through the vertical displacement action of the first punching male die 11, so that the smooth trimming of the small-diameter end port is ensured.
The hole flanging forming module comprises a second pressure plate 20, a second forming female die 22 and a second hole flanging forming punch 23, the second pressure plate 20 is elastically and telescopically arranged on the lower template 2, the lower template 2 is provided with the second hole flanging forming punch 23, the second hole flanging forming punch 23 penetrates through the second pressure plate 20 to extend upwards, the second forming female die 22 is fixedly arranged on the bottom surface of the upper template 1, a second positioning molding surface A25 matched with the outer contour of the air outlet end cone shell 100 is concavely arranged on the bottom surface of the second forming female die 22, and a hole flanging forming female die 26 corresponding to the second hole flanging forming punch 23 is penetratingly arranged on the second forming female die 22; in a die assembly state, the second hole flanging forming punch 23 extends into the hole flanging forming female die 26 to expand the small-diameter end port of the hole flanging. Through setting up second pressure flitch 20 on the lower bolster, second hole flanging shaping die 22 sets up on the cope match-plate pattern, then when the die sinking state, kick-backs upwards through second pressure flitch 20 to carry out the location support to the end cone casing 100 of giving vent to anger through second pressure flitch 20, and when the compound die, expand the hole flanging to the path end of the end cone casing of giving vent to anger through second hole flanging shaping drift 23.
The second flanging forming punch 23 includes a second positioning portion and a flanging portion, the second positioning portion is connected to the second pressing plate 20, the second positioning portion includes a second positioning surface B24 adapted to the inner contour of the air outlet end cone, the flanging portion is of a cylindrical rod structure, and the axis of the flanging portion is arranged in the vertical direction.
The hole flanging die further comprises a second upper top plate 21, wherein the second upper top plate 21 is arranged in the hole flanging forming female die 26 in a clearance mode, the bottom end of the second upper top plate 21 comprises an annular upper top ring 27, and the inner diameter of the upper top ring 27 is smaller than the diameter of the hole flanging part; in the die assembly state, the upper top ring 27 is pressed against the small-diameter end port of the air outlet end cone shell 100 to ensure the smoothness of the small-diameter end port and ensure that the plate material of the small-diameter end port is extruded and formed between the hole flanging forming female die 26 and the hole flanging part.
The convex forming module comprises a third pressure plate 33, a convex punch 32 and a third convex die 31, the third pressure plate 33 is elastically stretched and arranged on the lower template 2, the third pressure plate is provided with a third positioning molded surface matched with the inner contour of the air outlet end cone, the third pressure plate 33 is penetrated through in the vertical direction to form a guide through hole 34, the bottom fixing of the convex punch 32 is arranged on the lower template 2, the other end of the convex punch 32 vertically penetrates through the guide through hole 34, the third convex die 31 is arranged on the upper template corresponding to the third pressure plate 31, and the third convex die 31 is provided with a forming groove 35 corresponding to the convex punch 32. The protruding punch 32 is a vertically arranged plate body perpendicular to the outward bending, and when the die is closed, the protruding hull structure 105 is processed and formed through the protruding punch 32.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (5)
1. The utility model provides a combination forming die of end awl gives vent to anger of car exhaust system which characterized in that: including cope match-plate pattern (1) and lower bolster (2) of mutual opening and shutting, just adjacent forming module, hole flanging forming module and the protruding forming module of beating of having set gradually between cope match-plate pattern (1) and lower bolster (2), hole flanging forming module and the protruding forming module of beating carry out path end punching forming process, path end hole flanging shaping and the protruding shaping of beating of protruding structure to giving vent to anger end awl casing semi-manufactured goods respectively.
2. The combined forming die of the air outlet end cone of the automobile exhaust system according to claim 1, wherein: the punching forming module comprises a first pressure plate (12), a first punching male die (11), a first punching female die (18) and a first female die insert (16), the first punching female die (18) is arranged on a lower die plate (2), the first female die insert (16) is detachably arranged on the first punching female die (18), the first female die insert (16) comprises a first positioning section A (13), the first positioning section A (13) is matched with the inner contour surface of the air outlet end cone, a punching opening (19) is formed in the first female die insert (16) in a penetrating mode, the punching opening (19) is of a regular circular structure, and the axial direction of the punching opening (19) is vertically arranged downwards; elastic stretching is provided with first pressure flitch (12) on cope match-plate pattern (1), first pressure flitch (12) bottom surface includes the first location profile B that suits with the end of giving vent to anger awl casing outer profile face, first terrace die (11) that punches a hole sets up on the cope match-plate pattern, just first terrace die (11) that punches a hole passes corresponding to towards cutting edge (19) first pressure flitch.
3. The combined forming die of the air outlet end cone of the automobile exhaust system according to claim 1, wherein: the hole flanging forming module comprises a second pressure plate (20), a second forming female die (22) and a second hole flanging forming punch (23), wherein the second pressure plate (20) is elastically and telescopically arranged on the lower die plate (2), the second hole flanging forming punch (23) is arranged on the lower die plate (2), the second hole flanging forming punch (23) penetrates through the second pressure plate (20) to extend upwards, the second forming female die (22) is fixedly arranged on the bottom surface of the upper die plate (1), a second positioning molding surface A (25) matched with the outer contour of the air outlet end cone shell (100) is concavely arranged on the bottom surface of the second forming female die (22), and a hole flanging forming female die (26) corresponding to the second hole flanging forming punch (23) is penetratingly arranged on the second forming female die (22); and under the die closing state, the second hole flanging forming punch head (23) extends into the hole flanging forming female die (26) to expand the small-diameter end port of the hole flanging.
4. The combined forming die of the air outlet end cone of the automobile exhaust system according to claim 3, wherein: the second hole flanging forming punch (23) comprises a second positioning portion and a hole flanging portion which are integrally arranged, the second positioning portion is connected to the second pressure plate (20), the second positioning portion comprises a second positioning surface B (24) matched with the inner contour of the air outlet end cone, the hole flanging portion is of a cylindrical rod body structure, and the axis of the hole flanging portion is arranged in the vertical direction.
5. The combined forming die of the air outlet end cone of the automobile exhaust system according to claim 4, wherein: the hole flanging die further comprises a second upper top plate (21), wherein the second upper top plate (21) is arranged in the hole flanging forming female die (26) in a clearance mode, the bottom end of the second upper top plate (21) comprises an annular upper top ring (27), and the inner diameter of the upper top ring (27) is smaller than the diameter of the hole flanging part; under the die closing state, the upper top ring (27) is pressed against the small-diameter end port of the air outlet end cone shell (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922090610.6U CN212397818U (en) | 2019-11-28 | 2019-11-28 | Combined forming die of air outlet end cone of automobile exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922090610.6U CN212397818U (en) | 2019-11-28 | 2019-11-28 | Combined forming die of air outlet end cone of automobile exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212397818U true CN212397818U (en) | 2021-01-26 |
Family
ID=74401185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922090610.6U Expired - Fee Related CN212397818U (en) | 2019-11-28 | 2019-11-28 | Combined forming die of air outlet end cone of automobile exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212397818U (en) |
-
2019
- 2019-11-28 CN CN201922090610.6U patent/CN212397818U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 Termination date: 20211128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |