CN210253732U - Hole flanging processing die for automobile die metal stamping part - Google Patents
Hole flanging processing die for automobile die metal stamping part Download PDFInfo
- Publication number
- CN210253732U CN210253732U CN201920978086.3U CN201920978086U CN210253732U CN 210253732 U CN210253732 U CN 210253732U CN 201920978086 U CN201920978086 U CN 201920978086U CN 210253732 U CN210253732 U CN 210253732U
- Authority
- CN
- China
- Prior art keywords
- hole flanging
- die
- top ring
- metal stamping
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Punching Or Piercing (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model provides a hole flanging mold of automobile mould metal stamping part, it includes: the lower die mechanism is provided with a positioning part, the positioning part is used for positioning the metal stamping part, a hole flanging thimble capable of moving up and down is arranged in the positioning part, an elastic top ring surrounding the hole flanging thimble is also arranged in the positioning part, and the elastic top ring props against the bottom surface of the metal stamping part; and the upper die mechanism is provided with a hole flanging punch head which extends towards the direction of the through hole of the metal stamping part, and the end part of the hole flanging thimble extends towards the inside of the through hole. The utility model discloses can prevent effectively because the punching press power of hole flanging drift is too big and the hole flanging department sizing problem that causes improves machining efficiency effectively, reduces the product disability rate simultaneously.
Description
Technical Field
The utility model relates to a hole flanging mold processing field particularly, relates to a hole flanging mold processing of car mould metal stamping part.
Background
With the continuous overtime competition of automobile market in China, various automobile manufacturers strive to minimize the production cost and maximize the profit of products, particularly the requirement on production is very strict in the case of an automobile stamping part, particularly the requirement on hole flanging in a high-end automobile part is very strict, because the part in the automobile part is a hole flanging part which has the functions of either bearing installation or locking and fixing part, the control on the product cracking, burr and wall thickness is very strict in the production process of the part, the problems of the product in the past production bring troubles to the production, a guest can complete the production in one hour under the normal condition that the guest enters a 2000PCS order according to the stamping capability of 40PCS per minute, but the problems of cracking, burr and height failure after hole flanging occur in the actual production process, the time of more than 4 hours is at least spent for disassembling and assembling the die, and the die is even longer, if the problems of product cracking, burr, wall thickness and height are thoroughly solved, whether the product forming process and the die structure are reasonable or not must be firstly confirmed, and two normal hole flanging processes are generally adopted on a production site: one is to pre-punch and flanging; the second method is as follows: pre-punching-face pressing-hole flanging, but the two schemes are completely unsatisfied for hole flanging of high-end automobile accessories.
In order to solve the problems, a new hole flanging process is proposed at the later stage, which mainly comprises the following steps: a convex making process, a punching process, a hole flanging process and a surface pressing process; reference may be made in particular to chinese patent application 201510795965.9. However, in the hole flanging procedure, the problem of material sticking at the hole flanging position is easily caused by too large punching force of the hole flanging punch, and manual auxiliary demoulding is needed during subsequent demoulding, so that the processing efficiency of the whole process is affected, and the product can be scrapped.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a hole flanging mold processing of vapour turning mold metal stamping part can prevent effectively because the too big hole flanging department sizing problem that causes of punching press force of hole flanging drift, improves machining efficiency effectively, reduces the product disability rate simultaneously.
Therefore, the utility model provides a hole flanging mold of car mould metal stamping part, it includes:
the lower die mechanism is provided with a positioning part, the positioning part is used for positioning the metal stamping part, a hole flanging thimble capable of moving up and down is arranged in the positioning part, an elastic top ring surrounding the hole flanging thimble is also arranged in the positioning part, and the elastic top ring props against the bottom surface of the metal stamping part;
and the upper die mechanism is provided with a hole flanging punch head which extends towards the direction of the through hole of the metal stamping part, and the end part of the hole flanging thimble extends towards the inside of the through hole.
Further, the lower die mechanism comprises a lower die base and a lower backing plate, the lower backing plate is fixedly installed on the lower die base, and the positioning component is fixedly installed on the lower backing plate.
Furthermore, the positioning component comprises a hole flanging lower die insert and a hole flanging insert arranged in the hole flanging lower die insert, the hole flanging thimble penetrates through the hole flanging insert, and the elastic top ring is arranged on the inner edge of the top of the hole flanging insert.
Furthermore, the bottom of the hole flanging thimble is connected with a nitrogen spring which is arranged in the lower die mechanism.
Furthermore, the elastic top ring comprises a first top ring unit, a second top ring unit, a first spring and a second spring, wherein the first top ring unit and the second top ring unit are connected diagonally to form a top annular step surface and a bottom annular step surface, the first spring is sleeved on the top annular step surface, and the second spring is sleeved on the bottom annular step surface.
Furthermore, seen from the cross section of the elastic top ring, the first top ring unit, the second top ring unit, the first spring and the second spring are distributed in a shape like a Chinese character 'tian'.
Furthermore, the edge of the first top ring unit is provided with an arc edge which is used for supporting the right angle of the flanging.
Furthermore, the upper die mechanism comprises an upper die base, an upper base plate, an upper clamping plate and a stripper plate, wherein the upper die base is provided with an equal-height screw which penetrates through the upper base plate and the upper clamping plate and then is connected with the stripper plate, the bottom of the hole flanging punch is fixedly connected to the upper base plate, and the hole flanging punch penetrates through the upper clamping plate and the stripper plate.
The utility model provides an among the hole flanging cut forming die of car mould metal stamping part, mainly through set up the elasticity top ring around the hole flanging thimble in the locating part of lower mould mechanism, during punching press operation, the bottom surface of metal stamping part can be withstood to elasticity top ring, specifically be for withholding the turn-ups right angle that forms between the bottom surface of turn-ups and metal stamping part, can form the rebound stripping effect to the work piece when the punching press, therefore can prevent effectively because the punching press power of hole flanging drift is too big and the hole flanging department sizing problem that causes, machining efficiency is improved effectively, reduce the product disability rate simultaneously.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a hole flanging processing die for a metal stamping part of an automobile die in a die opening state according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a hole flanging processing die for a metal stamping part of an automobile die in a die closing state according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion B in fig. 3.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 4, the hole flanging processing die for the metal stamping part of the automobile die provided by the embodiment of the present invention is shown in the drawings, which first sets up the lower die mechanism 1, installs the positioning component 11 thereon, positions the metal stamping part 2 on the positioning component 11, installs the hole flanging thimble 12 capable of moving up and down in the positioning component 11, and also installs the elastic top ring 13 around the hole flanging thimble 12 in the positioning component 11, and the elastic top ring 13 props against the bottom surface of the metal stamping part 2.
Referring to fig. 1 to 4, the lower die mechanism 1 specifically includes a lower die base 15 and a lower backing plate 14, the lower backing plate 14 is fixedly mounted on the lower die base 15, and the positioning component 11 is fixedly mounted on the lower backing plate 14.
Referring to fig. 1 to 4, next, an upper die mechanism 3 is provided, on which a burring punch 31 is mounted, which extends in the direction of the through-hole 21 of the metal stamped part 2, and the end of the burring thimble 12 extends into the through-hole 21.
Referring to fig. 1 to 4, the upper die mechanism 3 includes an upper die base 32, an upper backing plate 33, an upper clamping plate 34 and a stripper plate 35, wherein an equal-height screw 36 is mounted on the upper die base 32, penetrates through the upper backing plate 33 and the upper clamping plate 34 and then is connected with the stripper plate 35, the bottom of the hole flanging punch 31 is fixedly connected to the upper backing plate 33, and the hole flanging punch 31 penetrates through the upper clamping plate 34 and the stripper plate 35.
In operation, referring to fig. 1 to 4, the above-mentioned method for processing a hole flanging die for a metal stamping part of an automobile die comprises a protruding step, a punching step, a hole flanging step and a surface pressing step, wherein the hole flanging step is as follows: the metal stamping part 2 is positioned on the positioning part 11 of the lower die mechanism 1, the upper die mechanism 3 moves downwards, the hole flanging punch 31 on the upper die mechanism 3 punches into the through hole 21 of the metal stamping part 2, the hole flanging thimble 12 which is arranged in the positioning part 11 and can move up and down contacts the end part of the hole flanging punch 31 at the moment, a downward flanging 22 is formed at the through hole 21, a flanging right angle 23 is formed between the flanging 22 and the bottom surface of the metal stamping part 2, and the elastic top ring 13 surrounding the hole flanging thimble 12 props against the bottom surface of the metal stamping part 2 at the moment.
The hole flanging mold for the metal stamping part of the automobile mold provided by the embodiment is mainly characterized in that an elastic top ring surrounding a hole flanging thimble is arranged in a positioning part of a lower mold mechanism, during stamping operation, the elastic top ring can be used for withstanding the bottom surface of the metal stamping part, specifically, a flanging right angle formed between the bottom surfaces of a flanging and the metal stamping part is resisted, the rebound stripping effect on a workpiece can be formed during stamping, the problem of sticking of the hole flanging position caused by too large stamping force of a hole flanging punch can be effectively prevented, the processing efficiency is effectively improved, and the product rejection rate is reduced.
Example two:
referring to fig. 1 to fig. 3, the hole flanging processing die for metal stamping parts of an automobile die according to an embodiment of the present invention is shown, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiments: the positioning component 11 comprises a hole flanging lower die insert 111 and a hole flanging insert 112 arranged in the hole flanging lower die insert 111, the hole flanging thimble 12 penetrates through the hole flanging insert 112, the elastic top ring 13 is arranged on the top inner edge of the hole flanging insert 112, the bottom of the hole flanging thimble 12 is connected with a nitrogen spring 121 which is arranged in the lower die mechanism 1, and the material stripping effect of a hole flanging product can be realized.
Example three:
referring to fig. 1 to fig. 3, a hole flanging processing die for a metal stamping part of an automobile die according to a third embodiment of the present invention is shown in the drawings, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiments: the elastic top ring 13 comprises a first top ring unit 131, a second top ring unit 132, a first spring 133 and a second spring 134, the first top ring unit 131 and the second top ring unit 132 are connected diagonally and form a top annular step surface 135 and a bottom annular step surface 136, the first spring 133 is sleeved on the top annular step surface 135, the second spring 134 is sleeved on the bottom annular step surface 136, and in the cross section of the elastic top ring 13, the first top ring unit 131, the second top ring unit 132, the first spring 133 and the second spring 134 are distributed in a shape like a Chinese character 'tian', and the edge of the first top ring unit 131 is provided with an arc edge 137 which props against the flanging right angle 23. Through the setting of above-mentioned structure, through the structure of field font for first top circle unit can withstand the turn-ups right angle, and second top circle unit can withstand locating component's bottom space, and forms diagonal angle structure between first top circle unit and the second top circle unit, makes to be higher to the support intensity of product.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The utility model provides a hole flanging mold of car mould metal stamping part which characterized in that includes:
the lower die mechanism (1) is provided with a positioning part (11), the positioning part (11) is used for positioning a metal stamping part (2), a hole flanging thimble (12) capable of moving up and down is arranged in the positioning part (11), an elastic top ring (13) surrounding the hole flanging thimble (12) is also arranged in the positioning part (11), and the elastic top ring (13) is used for propping the bottom surface of the metal stamping part (2);
and the upper die mechanism (3) is provided with a hole flanging punch head (31) which extends towards the direction of the through hole (21) of the metal stamping part (2), and the end part of the hole flanging thimble (12) extends into the through hole (21).
2. The hole flanging die for the metal stamping part of the automobile die as claimed in claim 1, wherein the lower die mechanism (1) comprises a lower die holder (15) and a lower backing plate (14), the lower backing plate (14) is fixedly mounted on the lower die holder (15), and the positioning component (11) is fixedly mounted on the lower backing plate (14).
3. The hole flanging die for the automobile die metal stamping part as claimed in claim 1 or 2, wherein the positioning component (11) comprises a hole flanging lower die insert (111) and a hole flanging insert (112) arranged in the hole flanging lower die insert (111), the hole flanging ejector pin (12) is arranged in the hole flanging insert (112) in a penetrating manner, and the elastic top ring (13) is arranged on the top inner edge of the hole flanging insert (112).
4. The hole flanging die for the metal stamping part of the automobile die as claimed in claim 1, wherein the bottom of the hole flanging thimble (12) is connected with a nitrogen spring (121) which is installed in the lower die mechanism (1).
5. The flanging die for the stamped metal part of the automobile die as claimed in claim 1, wherein the elastic top ring (13) comprises a first top ring unit (131), a second top ring unit (132), a first spring (133) and a second spring (134), the first top ring unit (131) and the second top ring unit (132) are connected diagonally and form a top annular step surface (135) and a bottom annular step surface (136), the first spring (133) is sleeved on the top annular step surface (135), and the second spring (134) is sleeved on the bottom annular step surface (136).
6. The hole flanging die for the metal stamped parts of the automobile dies, as recited in claim 5, characterized in that, viewed from the cross section of the elastic top ring (13), the first top ring unit (131), the second top ring unit (132), the first spring (133) and the second spring (134) are distributed in a shape like Chinese character 'tian'.
7. The hole flanging die for the metal stamping part of the automobile die as claimed in claim 5 or 6, wherein the edge of the first top ring unit (131) is provided with an arc edge (137) which is pressed against the flanging right angle (23).
8. The hole flanging die for the metal stamping part of the automobile die as claimed in claim 1, wherein the upper die mechanism (3) comprises an upper die holder (32), an upper backing plate (33), an upper clamping plate (34) and a stripper plate (35), a contour screw (36) is mounted on the upper die holder (32), penetrates through the upper backing plate (33) and the upper clamping plate (34) and then is connected with the stripper plate (35), the bottom of the hole flanging punch (31) is fixedly connected to the upper backing plate (33), and the hole flanging punch (31) penetrates through the upper clamping plate (34) and the stripper plate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978086.3U CN210253732U (en) | 2019-06-24 | 2019-06-24 | Hole flanging processing die for automobile die metal stamping part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978086.3U CN210253732U (en) | 2019-06-24 | 2019-06-24 | Hole flanging processing die for automobile die metal stamping part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210253732U true CN210253732U (en) | 2020-04-07 |
Family
ID=70045238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920978086.3U Active CN210253732U (en) | 2019-06-24 | 2019-06-24 | Hole flanging processing die for automobile die metal stamping part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210253732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252865A (en) * | 2019-06-24 | 2019-09-20 | 深圳数码模汽车技术有限公司 | A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part |
-
2019
- 2019-06-24 CN CN201920978086.3U patent/CN210253732U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252865A (en) * | 2019-06-24 | 2019-09-20 | 深圳数码模汽车技术有限公司 | A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205042988U (en) | Metal plate spare hole flanging mould that punches a hole | |
| CN207103562U (en) | A kind of thin plate punching die structure | |
| CN210253732U (en) | Hole flanging processing die for automobile die metal stamping part | |
| CN210614836U (en) | Lock plate fine blanking die | |
| CN217798429U (en) | Blanking, drawing and punching composite die and equipment using same | |
| CN212442841U (en) | Aluminum alloy stamping flanging composite die | |
| CN109351863B (en) | Automobile driving rear axle brake dust cover composite die and composite process | |
| CN216065377U (en) | Cold-heading mould of contact subassembly production usefulness | |
| CN220461911U (en) | Anti-falling scrap structure for punching | |
| CN107262602B (en) | Two-step die set | |
| JPH05154575A (en) | Hole flanging method and hole flanging die | |
| KR101569353B1 (en) | A method for press forming | |
| CN220372053U (en) | Die punch structure convenient to quick change | |
| CN111014470A (en) | Punching composite die | |
| CN219616517U (en) | Mould for convex hull punching | |
| CN219093310U (en) | Die insert structure and die | |
| CN216780016U (en) | Concentrated punching die with adjustable positioning dense holes | |
| CN110252865A (en) | A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part | |
| CN209849650U (en) | Die capable of reducing thick material product section corner collapse | |
| CN210586689U (en) | A mould for car sheet metal part makes | |
| CN218946111U (en) | Stamping die life-prolonging structure for punching small holes by thick materials | |
| CN213915744U (en) | Brake disc dust cover mold processing | |
| CN220837523U (en) | Boss punching assembly | |
| CN218224419U (en) | Punching and blanking device for manufacturing and processing precision machinery foundation part | |
| CN220286157U (en) | Novel rivet riveting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |