CN110340228A - Oven inner container substep cupping tool - Google Patents
Oven inner container substep cupping tool Download PDFInfo
- Publication number
- CN110340228A CN110340228A CN201810286876.5A CN201810286876A CN110340228A CN 110340228 A CN110340228 A CN 110340228A CN 201810286876 A CN201810286876 A CN 201810286876A CN 110340228 A CN110340228 A CN 110340228A
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- CN
- China
- Prior art keywords
- punch
- plate
- floating
- solid
- substep
- 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.)
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention relates to a kind of oven inner container substep cupping tool, including upper machine plate, lower machine plate, cope plate, lower template and lower punch component, the lower end surface of cope plate is equipped with upper cavity die；It is characterized by: lower punch component includes muti-piece solid punch and muti-piece floating punch, floating punch is between solid punch, the perforation being pierced by for solid punch and floating punch is provided in lower template, solid punch is fixed on lower machine plate, and floating punch then is kept moving up trend by elastic component support；Lower template is supported by lower driving structure and is floated and the top of lower machine plate is arranged in, lower template is in the original state, solid punch and floating punch are located at the lower section of the upper surface of lower template, and lower template moves down rear solid punch and the top of floating punch is then pierced by the upper surface of lower template and carries out drawing to plate with upper cavity die cooperation.It is a kind of higher drawing height to be able to achieve using the molding solid matter muscle of the cupping tool in a secondary mold and the one time punching molded oven inner container substep cupping tool for realizing substep drawing in the process.
Description
Technical field
The present invention relates to a kind of cupping tool more particularly to a kind of oven inner container substep cupping tools.
Background technique
Solid matter muscle structure in oven inner container has the functional characteristic of baking tray support bracket, but solid matter muscle is in drawing process
There are problems that being unable to reach design requirement height or drawing crack, first solid matter muscle structure in forming process structure inherently for
The charging of plate just has biggish resistance, and multiple rows of solid matter muscle to form groove between adjacent two solid matters muscle, in drawing process
Groove positioned at outermost two sides can be previously obtained charging, be located between groove charging will relatively slowly, and if charging not
In time, the forming of structure has exceeded the maximum extension rate of material again, easily causes fracture, so can only be completed by improving charging
Design requirement.Prior art: the cupping tool of solid matter muscle feature uses fixed punch structure, and upper mold downlink pushes down plate
It is its common downlink with press plate, fixed punch-pin contacts plate simultaneously in forming process, completes forming process.Punch-pin is solid
It is fixed to generate that drawing height is not in place or the defect of drawing crack and at the same time the difficult feed of plate be made by participating in forming process, make plate
Material is in limiting condition, easily occurs bad.
To obtain higher drawing height, quality is promoted, traditional substep deep-drawing technique needs to overpay mold in conjunction with grading
Mechanism is just able to achieve, and mould structure is complicated, at high cost, and Multi-step forming is needed just to be able to achieve substep drawing.By the solid matter of script
Muscle structure completes forming by a procedure and is changed to multiple working procedure forming.The disadvantages of this solution be cost be multiplied, efficiency at double
It reduces.
Summary of the invention
It can be in a secondary mould the technical problem to be solved by the present invention is to provide one kind for above-mentioned state of the art
Tool and the one time punching molded oven inner container substep cupping tool for realizing substep drawing in the process, are formed using the cupping tool
Solid matter muscle be able to achieve higher drawing height, and then promote the quality of oven inner container.
The technical scheme of the invention to solve the technical problem is: a kind of oven inner container substep cupping tool, packet
Including spaced upper machine plate and lower machine plate up and down, wherein upper machine plate is driven by hydraulic press and machine plate can be descended to move up and down relatively,
The lower section of upper machine plate is equipped with cope plate, and the top of lower machine plate is equipped with lower template and lower punch component, the lower end surface of the cope plate
Equipped with upper cavity die corresponding with lower punch component；It is characterized by: the lower punch component includes muti-piece solid punch and muti-piece
Floating punch, solid punch and floating punch are between left and right every setting, and floating punch is between solid punch, the lower template
On be provided with the perforation being pierced by for solid punch and floating punch, the lower end of the solid punch is fixed on lower machine plate, described floating
The lower end of dynamic punch-pin then is kept moving up trend by elastic component support, so that the top of floating punch is higher by the original state
The top of solid punch；The lower template is supported by lower driving structure and is floated and the top of lower machine plate is arranged in, and lower template is in original
Under beginning state, the solid punch and floating punch are located at the lower section of the upper surface of lower template, and lower template is fixed after moving down
The top of punch-pin and floating punch is then pierced by the upper surface of lower template and carries out drawing to plate with upper cavity die cooperation.
Because oven inner container product itself just has freely two groups of solid matter muscle, for this product, we are by above-mentioned lower punch
Component is designed as two groups, and between left and right every setting, corresponding, the upper cavity die also has two groups, and between left and right every setting.
There are 5 solid matter muscle because of every group of oven inner container product itself, for 5 solid matter muscle this structure features, as preferred
Scheme, punch assemblies described in every group have three pieces of solid punch and two pieces of floating punches, count third block and the 4th inside from outermost
Block is floating punch.
Preferably, the top of above-mentioned floating punch is higher by 5 millimeters of the top of solid punch in the original state.Through surveying
Examination, the drawing height which requires the oven inner container molded to be able to achieve 9 millimeters, and then promote the quality of oven inner container.
Alternatively, above-mentioned elastic component position nitrogen gas spring, every piece of solid punch or floating punch are corresponding by six roots of sensation nitrogen bullet
The mandril of spring supports.Mold special nitrogen spring (abbreviation punch die nitrogen gas spring or nitrogen gas spring or nitrogen cylinder or nitrogen cylinder) is a kind of
Using high pressure nitrogen as the novel elastic component of working media, it is small in size, elastic force is big, stroke is long, stable working, and manufacture is accurate,
Long service life (1,000,000 times), spring curve is gentle, and do not need preload etc., it has metal spring, rubber gentle
The common elastics components such as pad are difficult to the work completed, and simplify mold design and manufacture, facilitate mold installation and adjustment, extend mold
Service life, it is ensured that the stabilization of product quality can also be designed to a kind of nitrogen gas spring system, as mold a part ginseng
Processing is made, and can easily realize that pressure is constant and deferred action in systems, is a kind of a new generation with flex capability
Optimal elastomeric element.Certainly spring replacement can also be directlyed adopt.
Preferably, above-mentioned lower driving structure includes the lower driving plate for being set to the lower section of lower machine plate and being handled by cylinder top,
The more support columns for upwardly extending setting are fixed in the lower driving plate, the upward activity of support column is pierced by lower machine plate and is supported on
The bottom surface of lower template.
It is fixed with lower installation board as an improvement, being fixed on lower machine plate on above-mentioned lower machine plate, is provided on lower installation board for solid
Determine the lower pilot hole that punch-pin and floating punch pass through.Lower installation board plays the role of the auxiliary positioning to solid punch, convex to floating
The guiding role of mould.
For product feature, some liners need to also carry out being stamped and formed out recess portion at middle part, solid below above-mentioned upper machine plate thus
Surely there is upper male mould, the lower cavity die with upper male mould cooperation is fixed in the lower template, the cope plate floating suspension is in upper machine plate
Lower section, be provided with the perforation revealed for upper male mould on cope plate, more springs be supported by between upper machine plate and cope plate, should
Spring makes lower template holding move down trend, and in the original state, the lower end surface of the lower template is located under upper male mould cope plate
Side, cope plate move up being pierced by cope plate downwards and carrying out drawing to plate with lower cavity die cooperation for rear upper male mould.It will
Cope plate is designed to floating structure, it is ensured that when bolster contacts, first compresses plate lower punch and upper male mould works not yet, when
Cope plate continues traveling downwardly, and pushes lower template that machine plate is further descended to move down relatively, while the relatively upper machine plate of cope plate moves up, and allows convex
Mould manifests downwards cope plate and carries out punching press to plate, and lower punch manifests lower template upwards and carries out punching press to plate, guarantees
In entire punching course, plate accurate positioning improves the quality of product.
It is further improved, the bottom surface of above-mentioned upper machine plate is fixed with upper mounting plate, is provided with and multiple wears on upper mounting plate for spring
The upper pilot hole crossed, the upper male mould are fixed on upper mounting plate, and the lower template is located at below upper mounting plate.Upper mounting plate side
Just spring and upper male mould are installed, while effect of contraction is also functioned to spring.
Compared with the prior art, the advantages of the present invention are as follows: lower template is designed to floating structure, while lower punch component
In be divided into the spaced solid punch in left and right and floating punch, and floating punch is between solid punch, floating punch
Lower end then is kept moving up trend by elastic component support, so that the top of floating punch is higher by solid punch in the original state
Top；Slider of hydraulic press is moved downward with cope plate, pushes down plate and lower template, then common downlink, this guarantees downlink
Plate position is not susceptible to change in the process, it is ensured that shaping position accuracy；During downlink plate first with risen in advance
Floating punch contact, the plate at this is preshaped at this time, due to not influenced by other features in forming process, so
Plate enters relatively easily, and as cope plate continues traveling downwardly, remaining punch-pin also starts normal forming process, due to rising place in advance
Muscle be previously-completed a part of forming, so when mold complete shaping actions during lack material drawing crack the case where solved
Certainly, after structure utilization, the influx unilateral side of plate increases about 6-7mm, to reach the drawing height 9mm of design requirement.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of the embodiment of the present invention；
Fig. 3 is the schematic layout pattern in the embodiment of the present invention about spring；
Fig. 4 is the schematic perspective view of part of the lower die in the embodiment of the present invention；
Fig. 5 is the schematic layout pattern of support column in the embodiment of the present invention；
Fig. 6 is the schematic layout pattern of nitrogen gas spring in the embodiment of the present invention；
Fig. 7 is using this mold product schematic diagram after molding.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
It is a preferred embodiment of the present invention as shown in Fig. 1~7.
A kind of oven inner container substep cupping tool, including spaced upper machine plate 1 and lower machine plate 2 up and down, wherein upper machine
Plate 1 is driven by hydraulic press and machine plate 2 can be descended to move up and down relatively, and hydraulic press is not shown in drawing, is touched for punching press normal
Rule design.Upper male mould 9 is fixed with below upper machine plate 1, the lower section of upper machine plate 1 is equipped with cope plate 3, and the top of lower machine plate 2 is equipped with down
Template 4 and lower punch component 5 are fixed with the lower cavity die 10 cooperated with upper male mould 9 in lower template 4, and the lower end surface of cope plate 3 is equipped with
Upper cavity die 6 corresponding with lower punch component 5.Lower punch component 5 shares two groups, corresponding positioned at the left and right outflow of lower cavity die 10, on
Cavity plate 6 also has two groups, positioned at the left and right sides of upper male mould 9.
3 floating suspension of cope plate in the lower section of upper machine plate 1, cope plate 3 can by way of guide post and stop nut into
Row lower limit (is not shown) in drawing, be conventional design, is provided on the middle part of cope plate 3 and is revealed for upper male mould 9
Perforation 31, is supported by more springs 11 between upper machine plate 1 and cope plate 3, spring 11 makes the holding of lower template 3 move down trend, upper mold
In the original state, the lower end surface of lower template 4 is located at the lower section of upper male mould 9 to plate 3, cope plate 3 move up rear upper male mould 9 to
Under be pierced by cope plate 3 and with the lower cavity die 10 cooperation to plate 13 carry out drawing.The bottom surface of upper machine plate 1 is fixed with upper mounting plate
12, multiple upper pilot holes 121 passed through for spring 11 are provided on upper mounting plate 12, upper male mould 9 is fixed on upper mounting plate 12, under
Template 4 is located at 12 lower section of upper mounting plate.
Lower punch component 5 includes muti-piece solid punch 5a and muti-piece floating punch 5b, solid punch 5a and floating punch 5b
It is in long strip and between left and right every setting, and floating punch 5b, between solid punch 5a, lower punch component 5 described in every group has
Three pieces of solid punch 5a and two pieces of floating punch 5b, counting third block and the 4th piece inside from outermost is floating punch 5b.Lower die
It is provided with the lower end for stating solid punch 5a for solid punch 5a and floating punch the 5b perforation 41 being pierced by plate 4 and is fixed on lower machine plate 2
On, the lower end of floating punch 5b then is kept moving up trend by the support of elastic component 7, so that the top of floating punch 5b is original
The top of solid punch 5a is higher by under state, the top of floating punch 5b is higher by the top 5 of solid punch 5a in the original state
Millimeter.Elastic component 7 is nitrogen gas spring, and altogether there are four the elastic component 7, every piece of floating punch 5b is corresponding by four nitrogen gas springs
Mandril 71 supports.It is fixed on lower machine plate on lower machine plate 2 and is fixed with lower installation board 21, be provided on lower installation board 21 for solid punch
The lower pilot hole 211 that 5a and floating punch 5b are passed through.
Lower template 4 is supported by lower driving structure and is floated and the top of lower machine plate 2 is arranged in, lower template 4 in the original state,
Solid punch 5a and floating punch 5b is located at the lower section of the upper surface of lower template 4, lower template 4 move down rear solid punch 5a and
The top of floating punch 5b is then pierced by the upper surface of lower template 4 and carries out drawing to plate 13 with the cooperation of upper cavity die 6.Lower driving knot
Structure includes the lower driving plate 8 for being set to the lower section of lower machine plate 2 and being handled by cylinder top, is fixed with more in lower driving plate 8 and prolongs upwards
The support column 81 of setting is stretched, the upward activity of support column 81 is pierced by lower machine plate 2 and is supported on the bottom surface of lower template 4.
Reset condition refers to that mold does not push working condition,
The operation principle and process of this cupping tool is as follows:
Plate 13 (technology thin-plate member) is first placed in the upper surface of lower template 4, slider of hydraulic press is downward with cope plate 4
Movement, plate 13 is compressed between cope plate 3 and lower template 4, common downlink, during downlink, lower template 4 overcomes lower drive
The bearing force of dynamic structure descend relatively machine plate 2 move down risen up to cannot continue to move down the floating punch 5b of 5mm first with
Plate 13 contact, at this time the plate 13 at this floating punch 5b with it is preshaped under 6 mating reaction of upper cavity die, in forming process
In due to not influenced by other features, so plate 13 enter it is relatively easy, as cope plate 3 continues traveling downwardly, solid punch
5a and the cooperation of upper cavity die 6 also start normal forming process (forming solid matter muscle 131), are previously-completed due to rising the muscle at 5mm
A part forming is used so the case where lacking material drawing crack during mold completes shaping actions is resolved in the structure
Afterwards, the influx unilateral side of plate increases about 6-7mm, to reach the drawing height 9mm of design requirement.At the same time, upper male mould 9
Recess portion is molded in the middle part of plate 13 with the cooperation of lower cavity die 10.
As shown in fig. 7, each 5 of the solid matter muscle 131 or so of oven inner container after molding, and recess portion 132 is formed at middle part,
Solid matter muscle is located at left and right sides of recess portion.
The structure with so that higher drawing height may be implemented in the deep-drawing technique of oven inner container solid matter muscle structure, make
The charging for obtaining plate 13 is more smooth, improves the forming technology of solid matter muscle structure.The structure realizes on a secondary mold
Substep drawing reduces mold investment.
Claims (9)
1. a kind of oven inner container substep cupping tool, including spaced upper machine plate (1) He Xiaji plate (2) up and down, wherein on
Machine plate (1) is driven by hydraulic press and machine plate (2) can be descended to move up and down relatively, and the lower section of upper machine plate (1) is equipped with cope plate (3), under
The top of machine plate (2) is equipped with lower template (4) and lower punch component (5), and the lower end surface of the cope plate (3) is equipped with and lower punch group
The corresponding upper cavity die (6) of part (5)；It is characterized by: the lower punch component (5) includes that muti-piece solid punch (5a) and muti-piece are floating
Dynamic punch-pin (5b), solid punch (5a) and floating punch (5b) are between left and right every setting, and floating punch (5b) is located at solid punch
Between (5a), the perforation (41) being pierced by for solid punch (5a) and floating punch (5b) is provided on the lower template (4), it is described solid
The lower end for determining punch-pin (5a) is fixed on lower machine plate (2), and the lower end of the floating punch (5b) is then supported by elastic component (7) and kept
Trend is moved up, so that the top of floating punch (5b) is higher by the top of solid punch (5a) in the original state；Under described
Template (4) is supported by lower driving structure and is floated and be arranged in the top of lower machine plate (2), and lower template (4) is in the original state, described
Solid punch (5a) and floating punch (5b) are located at the lower section of the upper surface of lower template (4), and lower template (4) is fixed after moving down
The top of punch-pin (5a) and floating punch (5b) is then pierced by the upper surface of lower template (4) and cooperates with the upper cavity die (6) to plate
Expect that (13) carry out drawing.
2. oven inner container substep cupping tool according to claim 1, it is characterised in that: the lower punch component (5) is altogether
There are two groups, and between left and right every setting, corresponding, the upper cavity die (6) also there are two groups, and between left and right every setting.
3. oven inner container substep cupping tool according to claim 2, it is characterised in that: lower punch component described in every group
(5) there are three pieces of solid punch (5a) and two pieces of floating punches (5b), count third block inside from outermost and the 4th piece convex to float
Mould (5b).
4. oven inner container substep cupping tool according to claim 1, it is characterised in that: the top of the floating punch (5b)
Portion is higher by 5 millimeters of the top of solid punch (5a) in the original state.
5. oven inner container substep cupping tool according to claim 1, it is characterised in that: the elastic component (7) is nitrogen
Spring, the corresponding mandril (71) by six roots of sensation nitrogen gas spring of every piece of floating punch (5b) support.
6. oven inner container substep cupping tool according to claim 1, it is characterised in that: the lower driving structure includes setting
Lower section in lower machine plate (2) and the lower driving plate (8) that is handled by cylinder top are fixed with more upwards on the lower driving plate (8)
Extended support column (81), activity is pierced by lower machine plate (2) and is supported on the bottom surface of lower template (4) support column (81) upwards.
7. oven inner container substep cupping tool according to claim 1, it is characterised in that: be fixed with down on the lower machine plate
It is fixed on machine plate (2) lower installation board (21), is provided on lower installation board (21) and is worn for solid punch (5a) and floating punch (5b)
The lower pilot hole (211) crossed.
8. oven inner container substep cupping tool according to claim 1, it is characterised in that: solid below the upper machine plate (1)
Surely have upper male mould (9), the lower cavity die (10) with upper male mould (9) cooperation, the cope plate (3) are fixed on the lower template (4)
Floating suspension is provided with the perforation (31) revealed for upper male mould (9), upper machine plate on the lower section of upper machine plate (1), cope plate (3)
(1) more springs (11) are supported by between cope plate (3), spring (11) makes lower template (3) to keep moving down trend, cope plate
(3) in the original state, the lower end surface of the lower template (4) is located at the lower section of upper male mould (9), after cope plate (3) moves up
Upper male mould (9) is pierced by downwards cope plate (3) and carries out drawing to plate (13) with the lower cavity die (10) cooperation.
9. oven inner container substep cupping tool according to claim 8, it is characterised in that: the bottom surface of the upper machine plate (1)
Be fixed with upper mounting plate (12), be provided with multiple upper pilot holes (121) passed through for spring (11) on upper mounting plate (12), it is described on
Punch-pin (9) is fixed on upper mounting plate (12), and the lower template (4) is located at below upper mounting plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810286876.5A CN110340228B (en) | 2018-04-03 | 2018-04-03 | Oven inner bag substep deep-drawing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810286876.5A CN110340228B (en) | 2018-04-03 | 2018-04-03 | Oven inner bag substep deep-drawing mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110340228A true CN110340228A (en) | 2019-10-18 |
| CN110340228B CN110340228B (en) | 2021-05-18 |
Family
ID=68172366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810286876.5A Active CN110340228B (en) | 2018-04-03 | 2018-04-03 | Oven inner bag substep deep-drawing mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110340228B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5711734A (en) * | 1980-06-24 | 1982-01-21 | Nissan Motor Co Ltd | Cushion pin of cushion draw die |
| US6007317A (en) * | 1997-07-23 | 1999-12-28 | Micron Technology, Inc. | Ball grid array (BGA) encapsulation mold |
| CN101116934A (en) * | 2006-07-31 | 2008-02-06 | 海尔集团公司 | Micro-wave oven furnace chamber inner container and processing method |
| CN202779470U (en) * | 2012-09-25 | 2013-03-13 | 河北金环模具有限公司 | Automobile wheel casing outer plate drawing mould |
| CN203599386U (en) * | 2013-12-12 | 2014-05-21 | 湖北省齐星汽车车身股份有限公司 | Flanging and hole-flanging die with movable hole-flanging punch |
| CN104985638A (en) * | 2015-07-30 | 2015-10-21 | 扬州广菱电子有限公司 | Tearing segment difference forming die |
| CN105478596A (en) * | 2016-02-02 | 2016-04-13 | 奇瑞汽车股份有限公司 | Complex-surface multi-pass drawing die structure |
| CN105964791A (en) * | 2016-05-20 | 2016-09-28 | 富士瑞鹄技研（芜湖）有限公司 | Drawing stamping die and hyperactive drawing technology thereof |
| CN205702071U (en) * | 2016-06-14 | 2016-11-23 | 铜陵市晶赛电子有限责任公司 | A kind of floating type strip drawing progressive die |
| CN106734612A (en) * | 2016-12-21 | 2017-05-31 | 中国南方航空工业(集团)有限公司 | Drawing punching composite die |
-
2018
- 2018-04-03 CN CN201810286876.5A patent/CN110340228B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5711734A (en) * | 1980-06-24 | 1982-01-21 | Nissan Motor Co Ltd | Cushion pin of cushion draw die |
| US6007317A (en) * | 1997-07-23 | 1999-12-28 | Micron Technology, Inc. | Ball grid array (BGA) encapsulation mold |
| CN101116934A (en) * | 2006-07-31 | 2008-02-06 | 海尔集团公司 | Micro-wave oven furnace chamber inner container and processing method |
| CN202779470U (en) * | 2012-09-25 | 2013-03-13 | 河北金环模具有限公司 | Automobile wheel casing outer plate drawing mould |
| CN203599386U (en) * | 2013-12-12 | 2014-05-21 | 湖北省齐星汽车车身股份有限公司 | Flanging and hole-flanging die with movable hole-flanging punch |
| CN104985638A (en) * | 2015-07-30 | 2015-10-21 | 扬州广菱电子有限公司 | Tearing segment difference forming die |
| CN105478596A (en) * | 2016-02-02 | 2016-04-13 | 奇瑞汽车股份有限公司 | Complex-surface multi-pass drawing die structure |
| CN105964791A (en) * | 2016-05-20 | 2016-09-28 | 富士瑞鹄技研（芜湖）有限公司 | Drawing stamping die and hyperactive drawing technology thereof |
| CN205702071U (en) * | 2016-06-14 | 2016-11-23 | 铜陵市晶赛电子有限责任公司 | A kind of floating type strip drawing progressive die |
| CN106734612A (en) * | 2016-12-21 | 2017-05-31 | 中国南方航空工业(集团)有限公司 | Drawing punching composite die |
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| Publication number | Publication date |
|---|---|
| CN110340228B (en) | 2021-05-18 |
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