CN108927457A - Stamping die and more flange Work piece processing methods - Google Patents
Stamping die and more flange Work piece processing methods Download PDFInfo
- Publication number
- CN108927457A CN108927457A CN201810916630.1A CN201810916630A CN108927457A CN 108927457 A CN108927457 A CN 108927457A CN 201810916630 A CN201810916630 A CN 201810916630A CN 108927457 A CN108927457 A CN 108927457A
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- Prior art keywords
- punch
- pin
- flange
- die holder
- plane
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of stamping die and more flange Work piece processing methods, and wherein the former includes upper die holder, the first punch-pin and the second punch-pin；First punch-pin is fixedly connected on upper die holder, and the side of the first punch-pin is provided with the first inclined-plane；Second punch-pin is connected on upper die holder by elastic component, and the side of the second punch-pin is provided with the second inclined-plane, and the second inclined-plane is slidably matched with the first inclined-plane；When second inclined-plane is moved up along the first inclined-plane, the width of the first punch-pin and the second punch-pin is become narrow gradually.When completing the processing progress discharging of part, drive upper die holder uplink, the first punch-pin is detached from the part completed the process first at this time, and when upper die holder continues uplink, the second punch-pin loses the pressure of cavity plate and part, under the action of the effect of elastic component and self gravity, along the second punch-pin slide downward, at this point, the overall width of the first punch-pin and the second punch-pin narrows, therefore the first punch-pin and the second punch-pin can be removed from the negative angle position of part, smoothly complete demoulding.
Description
Technical field
The present invention relates to the processing technique field of mechanical workpieces more particularly to a kind of stamping dies and more flange workpiece to add
Work method.
Background technique
In the production process of automobile, various parts of different shapes can be processed, wherein numerous parts are turned over by more sequences
Side forms enclosed construction, since this kind of part needs orderly carry out many places flange, at present when processing this kind of part, uses
Technology be first to carry out flange at one, then successively carry out other flange, more secondary flanging molding dies needed in process.
In general, when formulating production technology scheme, stamping procedure is fewer, and the precision of part positioning is higher, early period
Mould development cost and rear production cost for the period are lower；However above-mentioned processing technology needs more secondary molds, undoubtedly increases cost, drops
The low positioning process precision of part.
There are negative angle, current processing method also results in part and is stuck on mold and can not take other part parts flanged-edge
Out, in order to part is taken out, it is also necessary to shaping mould in addition be arranged.
Summary of the invention
The purpose of the present invention is to provide a kind of stamping die and more flange Work piece processing methods, the punching die structures
Simply, the operation is stable, can a sequence complete multiple flange, and can be suitable by the part with negative angle without increasing shaping mould
Benefit demoulding.
Stamping die provided by the invention, comprising:
Upper die holder；
First punch-pin, first punch-pin are fixedly connected on the upper die holder, and the side of first punch-pin is provided with
First inclined-plane；
Second punch-pin, second punch-pin are connected on the upper die holder by elastic component, the side of second punch-pin
It is provided with the second inclined-plane, second inclined-plane is slidably matched with first inclined-plane；
When second inclined-plane is moved up along first inclined-plane, the width of first punch-pin and second punch-pin
Degree becomes narrow gradually.
Lower die holder；
Cavity plate, the cavity plate are fixedly arranged on the lower die holder, and the first flange platform and the second flange are provided on the cavity plate
Platform, the first flange platform are higher than the second flange platform；
When the upper die holder downlink and the lower die holder mold, first punch-pin and second punch-pin first with it is described
First flange platform matches, to complete the first flange to parts to be processed；
First punch-pin and second punch-pin are matched with the second flange platform again, with complete to parts to be processed
At the second flange.
Stamping die as described above, wherein preferably, further include retainer core and mandril, be provided on the cavity plate
Mounting groove, the retainer core are installed in the mounting groove；
What the mandril can slide up and down is installed on the lower die holder, and the mandril is for driving the retainer core in institute
It states in mounting groove and moves up and down.
Stamping die as described above, wherein preferably, the cavity plate is fixed on the lower die by the second fixed plate
On seat.
Stamping die as described above, wherein it further include the first connection component preferably, first connection component
Including the first sliding groove and the first sliding shoe；
First sliding groove is set on first inclined-plane and the one of inclined-plane in the second inclined-plane, and described
One sliding shoe is set on another inclined-plane；
First punch-pin and second punch-pin are connected by first sliding shoe with first sliding groove.
Stamping die as described above, wherein preferably, first sliding groove and first sliding shoe are swallow
Shape of tail.
Stamping die as described above, wherein it further include the second connection component preferably, second connection component
Including the second sliding groove and the second sliding shoe；
Second sliding groove is set on first sliding shoe, and the second sliding shoe is set to first sliding
On slot；
First punch-pin and second punch-pin also pass through the second sliding shoe and are connected with second sliding groove.
Stamping die as described above, wherein further include baffle preferably, the baffle and second punch-pin are solid
Second sliding groove is blocked in fixed connection, extending partially into for the baffle；
Blocking platform is provided on the second sliding shoe；
When second punch-pin slides down to lower position along first punch-pin, the blocking platform abuts against described
On baffle；To stop second punch-pin to continue slide downward.
Stamping die as described above, wherein preferably, first punch-pin is fixed on described by the first fixed plate
On upper die holder.
The present invention also provides a kind of more flange Work piece processing methods, which uses punching described in any of the above embodiments
Compression mould, comprising:
Step S1: plate is placed on the cavity plate；
Step S2: driving the upper die holder downlink, so that second punch-pin is matched with the cavity plate, along on plate
The first flange line, the first flange is struck out on plate；
Step S3: continuing to drive the upper die holder downlink, so that first punch-pin is matched with the cavity plate, along plate
The second flange line on material, strikes out the second flange on plate, and the plate for processing the second flange is more flange workpiece.
More flange Work piece processing methods as described above, wherein preferably, further include step S4: driving the upper mold
Seat uplink, so that first punch-pin is not contacted with more flange workpiece；
Step S5: it drives the upper die holder to continue uplink, so that second punch-pin is not contacted with more flange workpiece, and makes
Second punch-pin under elastic component and self gravitation effect, along the first punch-pin slide downward, while described first
The overall width of punch-pin and second punch-pin narrows；
Step S6: the upper die holder is driven to continue uplink, so that first punch-pin and second punch-pin completely disengage
More flange workpiece.
Stamping die provided by the invention, including upper die holder, the first punch-pin and the second punch-pin；First punch-pin is fixedly connected on
On upper die holder, the side of the first punch-pin is provided with the first inclined-plane；Second punch-pin is connected on upper die holder by elastic component, and second is convex
The side of mould is provided with the second inclined-plane, and the second inclined-plane is slidably matched with the first inclined-plane；Second inclined-plane is along the first inclined-plane to moving up
When dynamic, the width of the first punch-pin and the second punch-pin is become narrow gradually.When completing the processing progress discharging of part, drive on upper die holder
Row, the first punch-pin is detached from the part completed the process first at this time, and when upper die holder continues uplink, the second punch-pin loses cavity plate and part
Pressure, under the action of the effect of elastic component and self gravity, along the second punch-pin slide downward, at this point, the first punch-pin
Narrow with the overall width of the second punch-pin, therefore the first punch-pin and the second punch-pin can be removed from the negative angle position of part, it is smoothly complete
At demoulding.
Detailed description of the invention
Fig. 1 is the perspective view of plate to be processed；
Fig. 2 is the perspective view of the part completed the process；
Fig. 3 is the perspective view of stamping die provided in an embodiment of the present invention；
Fig. 4 is the molding status diagram of stamping die provided in an embodiment of the present invention；
Fig. 5 is the first punch-pin of stamping die provided in an embodiment of the present invention and the perspective view (one) of the second punch-pin；
Fig. 6 is the first punch-pin of stamping die provided in an embodiment of the present invention and the perspective view (two) of the second punch-pin；
Fig. 7 is the perspective view of the first punch-pin of stamping die provided in an embodiment of the present invention；
Fig. 8 is the perspective view of the second punch-pin of stamping die provided in an embodiment of the present invention；
Fig. 9 is the perspective view of the cavity plate of stamping die provided in an embodiment of the present invention.
Description of symbols:
The first inclined-plane 10- upper die holder 20- the first punch-pin 21- the first sliding groove of 22-
23- the second sliding shoe 24- stops the second inclined-plane the second punch-pin of platform 30- 31-
32- the first sliding shoe 33- the second sliding groove 40- lower die holder 50- cavity plate
51- the first flange platform 52- the second flange platform 53- mounting groove 60- part
61- the first flange line 62- the second flange line 63- the first flange the second flange of 64-
70- the first fixed plate 80- the second fixed plate 90- retainer core 100- mandril
110- baffle
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Parts to be processed 60 is illustrated first below, Fig. 1 please be participate in, the first flange line 61 and are provided on plate
Two flange lines 62；Referring to FIG. 2, the part 60 completed the process is the box-like of a upper end opening, it is therefore desirable to be turned over along first
The edge of plate is folded upward at by sideline 61 and the second flange line 62, thus by Sheet Metal Processing at 60 shape of part of needs, it is complete
At having the first flange 63 and the second flange 64 on rear part.
Referring to FIG. 3, stamping die provided in an embodiment of the present invention, including upper die holder 10, the first punch-pin 20 and second are convex
Mould 30.
Wherein, Fig. 5 and Fig. 7 be please also refer to, the first punch-pin 20 is fixedly connected on upper die holder 10, and the one of the first punch-pin 20
Side is provided with the first inclined-plane 21.
It please also refer to Fig. 5 and Fig. 8, the second punch-pin 30 is connected on upper die holder 10 by elastic component, the second punch-pin 30
Side is provided with the second inclined-plane 31, and the second inclined-plane 31 is slidably matched with the first inclined-plane 21；Second inclined-plane 31 is along the first inclined-plane 21
When moving up, the width of the first punch-pin 20 and the second punch-pin 30 is become narrow gradually.
It should be understood that under normal circumstances, please also refer to Fig. 3 and Fig. 4, a whole secondary mold further includes lower die holder 40,
Cavity plate 50 is set on lower die holder 40, and when 10 downlink of upper die holder and lower die holder 40 mold, punch-pin and cavity plate 50 cooperate, completion pair
The processing of part 60.
Therefore, please continue to refer to Fig. 3 and Fig. 4, stamping die provided in an embodiment of the present invention further includes lower die holder 40 and recessed
Mould 50, cavity plate 50 are fixedly arranged on lower die holder 40, and the first flange platform 51 and the second flange platform 52, the first flange are provided on cavity plate 50
Platform 51 is higher than the second flange platform 52；When 10 downlink of upper die holder and lower die holder 40 mold, the first punch-pin 20 and the second punch-pin 30 are first
It is matched with the first flange platform 51, to complete the first flange 63 to parts to be processed 60；First punch-pin 20 and the second punch-pin 30 are
It is matched again with the second flange platform 52, to complete the second flange 64 to parts to be processed 60.
Further, please continue to refer to Fig. 3 and Fig. 4, stamping die provided in an embodiment of the present invention further includes retainer core 90
With mandril 100；Referring to FIG. 9, being provided with mounting groove 53 on cavity plate 50, retainer core 90 is installed in mounting groove 53；100 energy of mandril
What is slided up and down is installed on lower die holder 40, and mandril 100 is for driving retainer core 90 to move up and down in mounting groove 53.Initial shape
Under state, 100 support of mandril the upper surface of retainer core 90 so that it is worked as plate with the upper surface flush of the first flange platform 51 of cavity plate 50
When material is placed on cavity plate 50, retainer core 90 can play the role of retainer；In addition, when processing part 60, the first punch-pin 20
It matches with the second punch-pin 30 with cavity plate 50 when carrying out flange, retainer core 90 is moved down along mandril 100, does not influence flange work
The progress of skill.
In the present embodiment, Fig. 3 and Fig. 5 are please referred to, when upper die holder 10 is not molded with lower die holder 40, under the effect of gravity, the
Two punch-pin 30 are snapped down to lower position along the first punch-pin 20, and the first punch-pin 20 is higher than the position of the second punch-pin 30 at this time；Adding
When work has the part 60 of negative angle, plate is placed on cavity plate 50 first, then drives 10 downlink of upper die holder, the second punch-pin 30
It is contacted first with plate.Since the second punch-pin 30 is connect by elastic component with upper die holder 10, when upper die holder 10 continues traveling downwardly,
Second punch-pin 30 is moved up along the first punch-pin 20, and elastic component is compressed, until the first punch-pin 20 is contacted with plate.Upper die holder
10 continue traveling downwardly, and the first flange platform 51 on cavity plate 50 is matched with the first punch-pin 20 and the second punch-pin 30, along the of plate
One flange line 61 completes the processing of the first flange 63；Upper die holder 10 continues traveling downwardly, the second flange platform 52 and first on cavity plate 50
Punch-pin 20 and the second punch-pin 30 match, and the processing of the second flange 64 is completed along the second flange line 62 of plate.
In the embodiment of the present invention, the processing of the first flange 63 and the second flange 64 can be completed with a sequence, reduces processing work
Sequence improves the positioning process precision of part 60, reduces the mould development cost of early period and the production cost in later period.
It can be seen in fig. 2 that the upper edge of the second flange 64 is bent slightly towards 60 center position of part, thus this box-like zero
The width of the bottom end of part 60 forms a negative angle knot at the position less than the opening width on top namely box-packed part 60
Structure.
Referring to FIG. 5, driving 10 uplink of upper die holder, the first punch-pin 20 is detached from zero completed the process first at this time when discharging
Part 60, upper die holder 10 continue uplink when, the second punch-pin 30 loses the pressure of cavity plate 50 and part 60, elastic component effect and
Under the action of self gravity, along 20 slide downward of the first punch-pin, at this point, the overall width of the first punch-pin 20 and the second punch-pin 30 becomes
It is narrow, therefore the first punch-pin 20 and the second punch-pin 30 can be removed from the negative angle position of the upper end of part 60, smoothly complete demoulding.Cause
This enables the first punch-pin 20 and the second punch-pin 30 to complete to turn over using the mutual cooperation on the first inclined-plane 21 and the second inclined-plane 31
While side processes, the demoulding to the part 60 with shaped negative angle structures can also be smoothly completed, the development cost of mold is reduced.
On this basis, the embodiment of the invention also provides a kind of more flange Work piece processing methods, this method uses this hair
The stamping die that bright any embodiment provides is processed, which includes:
Step S1: plate is placed on the cavity plate 50.
Step S2: driving 10 downlink of upper die holder, so that second punch-pin 30 is matched with the cavity plate 50, along
The first flange line 61 on plate, strikes out the first flange 63 on plate.
Step S3: continuing to drive 10 downlink of upper die holder, so that first punch-pin 20 is matched with the cavity plate 50,
Along the second flange line 62 on plate, the second flange 64 is struck out on plate, the plate for processing the second flange 64 is
More flange workpiece.
It completes after processing, it is also necessary to conscientious discharging, therefore, above-mentioned processing method further include: step S4: on driving is described
10 uplink of die holder, so that first punch-pin 20 is not contacted with more flange workpiece.
Step S5: driving the upper die holder 10 to continue uplink, so that second punch-pin 30 is not contacted with more flange workpiece,
And make second punch-pin 30 under elastic component and self gravitation effect, along 20 slide downward of the first punch-pin, simultaneously
The overall width of first punch-pin 20 and second punch-pin 30 narrows.
Step S6: the upper die holder 10 is driven to continue uplink, so that first punch-pin 20 and second punch-pin 30 are complete
The more flange workpiece of total detachment.
Therefore in the embodiment of the present invention, a sequence completes the processing of the first flange 63 and the second flange 64, compared to existing
There is technology, saves process；In addition, the characteristics of being narrowed using the width of the first punch-pin 20 and the second punch-pin 30, solved
Work pieces process with negative angle completes later the problem of not easy mold release.
Fig. 7 and Fig. 8 are please referred to, stamping die provided in an embodiment of the present invention further includes the first connection component, the first connection
Component includes the first sliding groove 22 and the first sliding shoe 32；First sliding groove 22 be set to the first inclined-plane 21 and the second inclined-plane 31 its
In on an inclined-plane, the first sliding shoe 32 is set on another inclined-plane；First punch-pin 20 and the second punch-pin 30 pass through first
Sliding shoe 32 is connected with the first sliding groove 22.Preferably, the first sliding groove 22 and the first sliding shoe 32 are dovetail shaped.
When second punch-pin 30 is slided up and down along the first punch-pin 20, the first sliding shoe 32 is slided along the first sliding groove 22,
To play the role of guiding the second punch-pin 30.And the first sliding groove 22 and the first sliding shoe 32 are disposed as dovetail shaped, also
The movement that the horizontal direction of the second punch-pin 30 of limitation can be played, avoids the second punch-pin 30 from shaking in left and right directions, leads to part
60 machining accuracy decline.
Please continue to refer to Fig. 7 and Fig. 8, stamping die provided in an embodiment of the present invention further includes the second connection component, and second
Connection component includes the second sliding groove 33 and the second sliding shoe 23；Second sliding groove 33 is set on the first sliding shoe 32, and second
Sliding shoe 23 is set on the first sliding groove 22；First punch-pin 20 and the second punch-pin 30 are also sliding by the first sliding shoe 32 and first
Dynamic slot 22 is connected.
Above-mentioned first sliding groove 22 and the first sliding shoe 32 form level-one slide guide, then in order to further ensure that the first punch-pin
20 and second punch-pin 30 it is good fit, be provided with the second sliding groove 33 and the second sliding shoe 23 and be used as second level slide guide, led when two
When something goes wrong, another can continue to play the role of slide guide any of Slipped Clove Hitch structure, guarantee the precision of processing.
Fig. 6 to Fig. 8 is please referred to, stamping die provided in an embodiment of the present invention further includes baffle 110, baffle 110 and second
Punch-pin 30 is fixedly connected, and the second sliding groove 33 is blocked in extending partially into for baffle 110；Blocking platform is provided on the second sliding shoe 23
24；When second punch-pin 30 slides down to lower position along the first punch-pin 20, platform 24 is stopped to abut against on baffle 110；With resistance
It keeps off the second punch-pin 30 and continues slide downward.
In the initial state, the second punch-pin 30 is in lower position, and above-mentioned blocking platform 24 acts against on baffle 110, can
With prevent the second punch-pin 30 from continuing to glide namely baffle 110 match with blocking platform 24 to the vertical direction of the second punch-pin 30 into
Row limit.
Preferably, with continued reference to FIG. 3, the first punch-pin 20 is fixed on upper die holder 10 by the first fixed plate 70.Cavity plate
50 are fixed on lower die holder 40 by the second fixed plate 80.The setting of first fixed plate 70 and the second fixed plate 80, so that first
Punch-pin 20, the second punch-pin 30 and cavity plate 50 are convenient for dismantling, consequently facilitating worker such as repairs at the operation, in addition, tearing open
When unloading the first punch-pin 20, the second punch-pin 30 or cavity plate 50, upper die holder 10 and lower die holder 40 will not be accidentally injured, to play in protection
The effect of die holder 10 and lower die holder 40.
Be described in detail structure, feature and effect of the invention based on the embodiments shown in the drawings, it is above only
For presently preferred embodiments of the present invention, but the present invention does not limit the scope of implementation as shown in the drawings, all according to conception institute of the invention
The change or equivalent example modified to equivalent change of work should all when not going beyond the spirit of the description and the drawings
Within the scope of the present invention.
Claims (10)
1. a kind of stamping die characterized by comprising
Upper die holder；
First punch-pin, first punch-pin are fixedly connected on the upper die holder, and the side of first punch-pin is provided with first
Inclined-plane；
Second punch-pin, second punch-pin are connected on the upper die holder by elastic component, the side setting of second punch-pin
There is the second inclined-plane, second inclined-plane is slidably matched with first inclined-plane；
When second inclined-plane is moved up along first inclined-plane, the width of first punch-pin and second punch-pin by
Gradual change is narrow；
Lower die holder；
Cavity plate, the cavity plate are fixedly arranged on the lower die holder, and the first flange platform and the second flange platform, institute are provided on the cavity plate
The first flange platform is stated higher than the second flange platform；
When the upper die holder downlink and the lower die holder mold, first punch-pin and second punch-pin elder generation and described first
Flange platform matches, to complete the first flange to parts to be processed；
First punch-pin and second punch-pin are matched with the second flange platform again, to complete the to parts to be processed
Two flange.
2. stamping die according to claim 1, which is characterized in that further include retainer core and mandril, set on the cavity plate
It is equipped with mounting groove, the retainer core is installed in the mounting groove；
What the mandril can slide up and down is installed on the lower die holder, and the mandril is for driving the retainer core in the peace
It is moved up and down in tankage.
3. stamping die according to claim 1, which is characterized in that the cavity plate is fixed on described by the second fixed plate
On lower die holder.
4. stamping die according to claim 1, which is characterized in that it further include the first connection component, first connection
Component includes the first sliding groove and the first sliding shoe；
First sliding groove is set on first inclined-plane and the one of inclined-plane in the second inclined-plane, and described first is sliding
Motion block is set on another inclined-plane；
First punch-pin and second punch-pin are connected by first sliding shoe with first sliding groove.
5. stamping die according to claim 4, which is characterized in that first sliding groove and first sliding shoe are equal
For dovetail shaped.
6. stamping die according to claim 4, which is characterized in that it further include the second connection component, second connection
Component includes the second sliding groove and the second sliding shoe；
Second sliding groove is set on first sliding shoe, and the second sliding shoe is set to first sliding groove
On；
First punch-pin and second punch-pin also pass through the second sliding shoe and are connected with second sliding groove.
7. stamping die according to claim 6, which is characterized in that it further include baffle, the baffle and described second convex
Mould is fixedly connected, and second sliding groove is blocked in extending partially into for the baffle；
Blocking platform is provided on the second sliding shoe；
When second punch-pin slides down to lower position along first punch-pin, the blocking platform abuts against the baffle
On；To stop second punch-pin to continue slide downward.
8. stamping die according to any one of claim 1 to 7, which is characterized in that first punch-pin passes through first
Fixed plate is fixed on the upper die holder.
9. a kind of more flange Work piece processing methods, which uses stamping die described in any one of any one of claims 1 to 88,
It is characterised by comprising:
Step S1: plate is placed on the cavity plate；
Step S2: driving the upper die holder downlink, so that second punch-pin is matched with the cavity plate, along on plate
One flange line, strikes out the first flange on plate；
Step S3: continuing to drive the upper die holder downlink, so that first punch-pin is matched with the cavity plate, along on plate
The second flange line, the second flange is struck out on plate, the plate for processing the second flange is more flange workpiece.
10. more flange Work piece processing methods according to claim 9, which is characterized in that further include step after step s 3
Rapid S4: driving the upper die holder uplink, so that first punch-pin is not contacted with more flange workpiece；
Step S5: it drives the upper die holder to continue uplink, so that second punch-pin is not contacted with more flange workpiece, and makes institute
The second punch-pin is stated under elastic component and self gravitation effect, along the first punch-pin slide downward, while first punch-pin
Narrow with the overall width of second punch-pin；
Step S6: driving the upper die holder to continue uplink, so that first punch-pin and second punch-pin completely disengage turn over more
Side workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916630.1A CN108927457B (en) | 2018-08-13 | 2018-08-13 | Stamping die and more flange Work piece processing methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916630.1A CN108927457B (en) | 2018-08-13 | 2018-08-13 | Stamping die and more flange Work piece processing methods |
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| Publication Number | Publication Date |
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| CN108927457A true CN108927457A (en) | 2018-12-04 |
| CN108927457B CN108927457B (en) | 2019-09-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198914A (en) * | 2021-04-28 | 2021-08-03 | 安徽江淮汽车集团股份有限公司 | Stamping method for part with negative angle and flanging negative angle integrated forming die |
| CN113649494A (en) * | 2021-07-22 | 2021-11-16 | 东风柳州汽车有限公司 | Box-shaped flanging device and process thereof |
| CN113843928A (en) * | 2021-09-17 | 2021-12-28 | 广联航空工业股份有限公司 | C-shaped closed angle beam forming tool and demolding method |
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| CN113198914B (en) * | 2021-04-28 | 2022-06-28 | 安徽江淮汽车集团股份有限公司 | Stamping method for part with negative angle and flanging negative angle integrated forming die |
| CN113649494A (en) * | 2021-07-22 | 2021-11-16 | 东风柳州汽车有限公司 | Box-shaped flanging device and process thereof |
| CN113843928A (en) * | 2021-09-17 | 2021-12-28 | 广联航空工业股份有限公司 | C-shaped closed angle beam forming tool and demolding method |
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