CN205599791U - Drum brake piece shoe arc plate voltage arc forming die - Google Patents
Drum brake piece shoe arc plate voltage arc forming die Download PDFInfo
- Publication number
- CN205599791U CN205599791U CN201620401233.7U CN201620401233U CN205599791U CN 205599791 U CN205599791 U CN 205599791U CN 201620401233 U CN201620401233 U CN 201620401233U CN 205599791 U CN205599791 U CN 205599791U
- Authority
- CN
- China
- Prior art keywords
- arc
- fixed plate
- pressure arc
- mould
- plate
- 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
Landscapes
- Punching Or Piercing (AREA)
Abstract
The utility model discloses a drum brake piece shoe arc plate voltage arc forming die, mould and pressure arc lower mould on the pressure arc of die, fixed plate and the work of mutually supporting, the fixed plate is connected with the lower flitch that takes off that is located the fixed plate below through nitrogen gas compression spring, the mould was connected on the fixed plate passed through pre compressed spring and presses the arc, and the mould is located the fixed plate below on the pressure arc, it cuts off the drift to be equipped with on the mould on the pressure arc, be equipped with the preceding cutting blade mouth and back cutting blade mouth that stretches out in proper order downwards along the direction of advance by the processing work piece on cutting off the drift, the height of cutting blade mouth before highly being higher than of back cutting blade mouth. The utility model discloses a mould has been realized the timesharing and has been cut off and pressed the arc in step, has realized the once shaping completely of shoe arc board, and reasonable in design, design novelty have greatly improved production efficiency, improve product quality by a wide margin, are suitable for extensive popularization.
Description
Technical field
This utility model relates to brake pad shoe manufacture field, is specifically related to a kind of Drum brake linings shoes arc plate pressure arc mould.
Background technology
At present, Drum brake linings shoes arc sheet metal forming many employings either simplex sequence cold-punching molding technology.This technical matters route is long, work
Skill process is more complicated, thus production efficiency is low, and single product are relatively costly, and product quality is relatively difficult to ensure card, and welds follow-up shoes
The impact of production process Product jointing quality is bigger.Drum brake linings arc plate through flat-plate molded stamping-out (include trimming, rush aperture,
Impressing, bending, jet-bedding etc. operate) after, the local of required shoes arc plate also has plate to be connected (part A as shown in Figure 3),
It is thus desirable to cut off, (dotted portion as shown in Figure 3 is the portion needing to cut off pressure arc to be additionally also performed to press arc operation
Point).At present, also do not have relevant art to be capable of cutting off, pressing the Time Division Synchronous operation of arc, thus realize shoes arc plate once
Molding.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Drum brake linings shoes arc plate pressure arc mould, and it can
Realize the once complete moulding process of shoes arc plate, overcome defect present in prior art.
For solving above-mentioned technical problem, this utility model provides a kind of Drum brake linings shoes arc plate pressure arc mould, specifically
Scheme is:
A kind of Drum brake linings shoes arc plate pressure arc mould, including on the pressure arc of die, fixed plate and the work that cooperates
Mould and pressure arc lower mold, described fixed plate is connected with the lower stripper being positioned at below fixed plate by nitrogen compression spring, described solid
Determining plate to be connected with pressure arc upper mold by pre-compressed spring, pressure arc upper mold is positioned at below fixed plate;
Described pressure arc upper mold lower end is spill cambered surface, and described pressure arc lower mold upper end is convex-shaped arc surface, and described spill cambered surface is convex with described
Shape cambered surface cooperating;
Described pressure arc upper mold is provided with cut-out drift, on described cut-out drift direction of advance along workpiece to be machined be sequentially provided with to
Under the front cut-out cutting edge that stretches out and rear cut-out cutting edge, described after cut off the height height higher than front cut-out cutting edge of cutting edge, described pressure
Arc lower mold is provided with the first cooperation cutting edge matched with rear cut-out cutting edge, and described die is provided with and matches with front cut-out cutting edge
Second coordinates cutting edge.
Preferably, also including the up stripper between fixed plate and lower stripper, described fixed plate passes through the first sleeve and institute
Stating up stripper to be connected, described first sleeve includes the first outer sleeve being connected with fixed plate and is connected with up stripper
First inner sleeve, described first inner sleeve is in the first outer sleeve, and the first outer sleeve and the second inner sleeve can be with relative movements.
Preferably, it is additionally provided with compression spring between described fixed plate and up stripper.
Preferably, described fixed plate is connected with described lower stripper by the second sleeve, and described second sleeve includes and fixed plate
The second outer sleeve being connected and the second inner sleeve being connected with lower stripper, described second inner sleeve in the second outer sleeve,
Second outer sleeve and the second inner sleeve can be with relative movements, and described second sleeve runs through up stripper.
Preferably, described fixed plate being also associated with guide pillar, described guide pillar runs through lower stripper.
Preferably, it is respectively equipped with multiple liftout group in the spill cambered surface of described pressure arc upper mold and on the convex-shaped arc surface of described pressure arc lower mold
Part.
Preferably, described pressure arc upper mold is provided with pressure arc upper mold baffle plate along spill cambered surface both sides.
Preferably, described fixed plate is connected with upper bolster, and described upper bolster is connected with described pressure arc upper mold by the 3rd sleeve,
Described 3rd sleeve includes and pressure the 3rd inner sleeve that is connected of arc upper mold and the 3rd outer sleeve that is connected with upper bolster, described the
Three inner sleeves are in the 3rd outer sleeve, and the 3rd outer sleeve and the 3rd inner sleeve can be with relative movements.
Preferably, drift backing plate it is provided with between described fixed plate and upper bolster.
Preferably, described upper bolster is connected with slider of punch, is provided with upper bolster backing plate between described upper bolster and slider of punch.
Preferably, described die is fixing with die shoe to be connected, and described pressure arc lower mold is fixed on die shoe;Described die shoe and punching
Bed workbench is connected, and is provided with die shoe upper padding plate and die shoe lower bolster between described die shoe and work bench of punch press.
As it has been described above, a kind of Drum brake linings shoes arc plate pressure arc mould of the present utility model, have the advantages that
This utility model, in use by the once motion of upper bolster, realizes carrying out plate being compacted fixing, plate cut-out successively
And slab edge pressure arc, thus realize the once molding completely of shoes arc plate.This utility model is reasonable in design, novel,
Drastically increase production efficiency, product quality is greatly improved, be suitable to be widely popularized.
Accompanying drawing explanation
By non-limiting example, this utility model is described in detail with reference to the accompanying drawings, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation pressing arc structure in this utility model.
Fig. 3 is the schematic diagram of plate in this utility model.
Fig. 4 is that in this utility model, mould is compacted structural representation during plate by lower stripper.
Fig. 5 is the structural representation that in this utility model, mould carries out when blank operates.
The structural representation of pressure arc structure when Fig. 6 is mould blank operation in this utility model.
Fig. 7 is the structural representation that in this utility model, mould carries out when pressing arc to operate to plate.
The structural representation of pressure arc structure when Fig. 8 is that in this utility model, mould carries out pressing arc operation to plate.
Fig. 9 is the structural representation during mould excision waste material operation in this utility model.
In figure, 1, slider of punch, 2, upper bolster backing plate, 3, upper bolster, the 4, the 3rd sleeve, the 41, the 3rd inner sleeve, 42,
3rd outer sleeve, 5, pressure arc upper mold baffle plate, 6, pressure arc upper mold, 7, cut off drift, 71, cut off cutting edge afterwards, 72, front cut-out
Cutting edge, 8, pressure arc lower mold, 9, compression spring, the 10, first sleeve, the 101, first outer sleeve, the 102, second inner sleeve,
11, up stripper, 12, nitrogen compression spring, 13, guide pillar, 14, lower stripper, the 15, second sleeve, in 151, second
Sleeve, the 152, second outer sleeve, 16, fixed plate, 17, drift backing plate, 18, die, 19, second coordinates cutting edge, 20,
Work bench of punch press, 21, die shoe lower bolster, 22, die shoe upper padding plate, 23, die shoe, 24, plate, 25, feeding knot
Structure, 26, pre-compressed spring, 27, liftout assembly, 28, first coordinates cutting edge.
Detailed description of the invention
The Drum brake linings shoes arc plate pressure arc mould of this utility model embodiment is described with reference to the accompanying drawings.Retouch following
In stating, elaborate that many details are to enable person of ordinary skill in the field to be best understood from this utility model.But
Be, for the technical staff in art it is evident that realization of the present utility model can not to have these the thinnest
Some in joint.However, it should be understood that this utility model is not limited to introduced specific embodiment.Therefore, below
Embodiment and advantage be used for illustrative purposes only, and be not construed as limitations on the claims, unless the clearest and the most definite
Propose.
A kind of Drum brake linings shoes arc plate pressure arc mould of the present utility model, for pressing arc molding to the cut-out of shoes arc plate.
As it is shown in figure 1, include pressure arc upper mold 6 and the pressure arc lower mold 8 of die 18, fixed plate 16 and the work that cooperates, described solid
Determining plate 16 to be connected with the lower stripper 14 being positioned at below fixed plate 16 by nitrogen compression spring 12, described fixed plate 16 is led to
Crossing pre-compressed spring 26 to be connected with pressure arc upper mold 6, pressure arc upper mold is positioned at below fixed plate 16;Described pressure arc upper mold 6 lower end is recessed
Shape cambered surface, described pressure arc lower mold 8 upper end is convex-shaped arc surface, described spill cambered surface and described convex-shaped arc surface cooperating;Described pressure
Arc upper mold 6 is provided with two cut-out drifts 7, on described cut-out drift 7 direction of advance along workpiece to be machined be sequentially provided with to
Under the front cut-out cutting edge 72 that stretches out and rear cut-out cutting edge 71, described after cut off the height of cutting edge 71 higher than front cut-out cutting edge 72
Highly, described pressure arc lower mold 8 is provided with the first cooperation cutting edge 28 matched with rear cut-out cutting edge 71, and described die 18 sets
There is the second cooperation cutting edge 19 matched with front cut-out cutting edge 72.During work, fixed plate 16 and pressure arc upper mold 6 are arranged on lathe
On upper bolster 3, die 18 and pressure arc lower mold 8 are arranged on the die shoe 23 of lathe.
During this mold work, upper bolster 3 is descending, and lower stripper 14 first contacts with plate 24 and be compacted plate 24, hereafter along with
Upper bolster 3 is descending, and pressure arc upper mold 6 carries out cutting off and pressing arc with pressure arc lower mold 8 and die 18 cooperating respectively.Specifically,
The front cut-out cutting edge 72 cutting off drift 7 first coordinates cutting edge 19 cooperating with second on die 18, cuts plate 24
Disconnected operation;Descending then as upper bolster 3, the spill cambered surface of pressure arc upper mold 6 coordinates work with the convex-shaped arc surface pressing arc lower mold 8
Make, carry out plate 24 pressing arc operation;Upper bolster 3 continues traveling downwardly, and cuts off under the rear cut-out cutting edge 71 on drift 7 and pressure arc
The first cooperation cutting edge 28 cooperating on mould 8, to completing to press the finished product plate of arc to carry out waste material excision operation.This utility model
The most descending by upper bolster 3, it is sequentially completed multiple processing action, is effectively increased work efficiency.
In the present embodiment, this mould also includes the up stripper 11 between fixed plate 16 and lower stripper 14, is used for pressing
Real plate also plays certain guide effect to cutting off drift;Described up stripper 11 is connected with fixed plate 16 by the first sleeve 10
Connecing, described first sleeve 10 includes the first outer sleeve 101 being connected with fixed plate 16 and be connected with up stripper 11
One inner sleeve 102, described first inner sleeve 102 in the first outer sleeve 101, the first outer sleeve 101 and the second inner sleeve 102
Can be with relative movement.
Described fixed plate 16 is connected with described lower stripper 14 by the second sleeve 15, and described second sleeve 15 includes with solid
Determine the second outer sleeve 152 that plate 16 is connected and the second inner sleeve 151 being connected with lower stripper 14, described second inner sleeve
Cylinder 151 is in the second outer sleeve 152, and the second outer sleeve 152 and the second inner sleeve 151 can be with relative movements, described second set
Cylinder 15 runs through up stripper 11.
In the present embodiment, as it is shown in figure 1, described upper bolster 3 is connected with slider of punch 1, (slider of punch is the one of lathe
Part), it is provided with drift backing plate 17 between described fixed plate 16 and upper bolster 3, described drift backing plate 17 cuts off pressure arc at mould
During fixed plate 16 is played a protective role, prevent from damaging fixed plate 16 because stress is excessive.Described upper bolster 3 and punching
Being provided with upper bolster backing plate 2 between bed slide block 1, upper bolster 3 is played a protective role by described upper bolster backing plate 2, prevents from cutting off pressure
During arc, upper bolster 3 stress is excessive and damaged.Further, in the present embodiment, for convenience of installing, outside described first
Sleeve 101 is connected by bolt is fixing with upper bolster 3, and described first inner sleeve 102 is fixing with up stripper 11 even by bolt
Connecing, described first inner sleeve 102 runs through fixed plate 16 and drift backing plate 17.Described second outer sleeve 152 passes through bolt with upper
Die holder 3 is fixing to be connected, and described second inner sleeve 151 is connected with lower stripper 14 by bolt, described second outer sleeve 152
Run through fixed plate 16 and drift backing plate 17.
In the present embodiment, as it is shown in figure 1, described upper bolster 3 is connected with described pressure arc upper mold 6 by the 3rd sleeve 4,
Described 3rd sleeve 4 includes the 3rd inner sleeve 41 being connected with pressure arc upper mold 6 and the 3rd outer sleeve being connected with upper bolster 3
42, described 3rd inner sleeve 41 is in the 3rd outer sleeve 42, and the 3rd outer sleeve 42 and the 3rd inner sleeve 41 can be with relative movements.
In the present embodiment, between described fixed plate 16 and up stripper 11, it is additionally provided with compression spring 9, after pressure arc terminates, on
Stripper plate 11 resets under the resilient force of compression spring 9.Described compression spring 9 one end is fixing with upper bolster 3 to be connected,
And running through fixed plate 16 and drift backing plate 17, the other end of compression spring 9 is fixing with up stripper 11 to be connected.
In the present embodiment, described fixed plate 16 being also fixedly connected with guide pillar 13, described guide pillar 13 runs through up stripper 11 He
Lower stripper 14, to up stripper 11 and 14 certain guide effects of lower stripper.
In the present embodiment, as in figure 2 it is shown, in the spill cambered surface of described pressure arc upper mold 6 and the convex-shaped arc surface of described pressure arc lower mold 8
On be respectively equipped with two liftout assemblies 27, be used for cutting off and convenient after pressure arc terminates product ejected from mould.Certainly, according to mould
Tool and needs of production, can set one or more liftout assembly 27.In the present embodiment, described pressure arc upper mold 6 is along spill arc
Both sides, face are provided with pressure arc upper mold baffle plate 5, to pressure 6 position-limiting actions of arc upper mold.
Further, in the present embodiment, described die 18 is fixing with die shoe 23 to be connected, and described pressure arc lower mold 8 is fixed on
On die shoe 23;Described die shoe 23 is connected with work bench of punch press 20, in the present embodiment, it is contemplated that convenient installation and tune
Whole die shoe 23 height, is provided with die shoe upper padding plate 22 and die shoe underlay between described die shoe 23 and work bench of punch press 20
Plate 21.In other embodiments, die shoe 23 and work bench of punch press 20 also can only set one piece of backing plate.
More than Zong He, in conjunction with Fig. 4-Fig. 9, work process of the present utility model is:
1, during mold work, slider of punch 1 is descending, and first lower stripper 14 contacts plate 24, and slider of punch 1 continues traveling downwardly,
Giving lower stripper 14 pressure by nitrogen compression spring 12 to be compacted by plate 24, now mould status is as shown in Figure 1;
2, slider of punch 1 continues traveling downwardly, and as shown in Fig. 5-Fig. 6, pressure arc upper mold 6 contacts with plate 24, cuts off drift 7
Front cut-out cutting edge 72 coordinates cutting edge 19 cooperating with second, is cut by material from plate 24;
3, slider of punch 1 continues traveling downwardly, as shown in Figs. 7-8, and the spill cambered surface of pressure arc upper mold 6 and the convex of pressure arc lower mold 8
Cambered surface cooperating, completes to press arc operation;
4, slider of punch 1 continues traveling downwardly, as it is shown in figure 9, now up stripper 11 arrives above lower stripper 14, de-with lower
Flitch 14 is compacted plate 24 simultaneously, and pre-compressed spring 26 compresses, and pressure arc upper mold 6 moves, along with slider of punch 1 in fixed plate
Descending, in final pressure arc upper mold 6, plane and drift backing plate lower plane are fitted, now, cut off the rear cut-out cutting edge 71 of drift 7 with
The first cooperation cutting edge 28 cooperating in pressure arc lower mold 8, will cut waste material on shaped article, completes to cut off pressure arc operation;
5, after cut-out pressure arc completes, slider of punch 1 rises, and pressure arc upper mold 6 and pressure arc lower mold 8 separate, and finished product is by liftout assembly
27 eject, and are sent out by feeding structure 25.Slider of punch 1 rises, and pressure arc upper mold 6 is resetted by pre-compressed spring 26, and
Reset position, up stripper 11 and lower stripper 14 is limited respectively by compression spring 9 and nitrogen compression spring by the 3rd sleeve 4
12 reset, and are limited reset position by the first sleeve 10 and the second sleeve 15.
Embodiment described above is only to be described preferred implementation of the present utility model, not to of the present utility model
Spirit and scope are defined.On the premise of without departing from this utility model design concept, this area ordinary person is new to this practicality
Various modification that the technical scheme of type is made and improvement, all should drop into protection domain of the present utility model, and this utility model is asked
The technology contents of protection, all records in detail in the claims.
Claims (7)
1. a Drum brake linings shoes arc plate pressure arc mould, it is characterised in that include die (18), fixed plate (16)
And pressure arc upper mold (6) of the work that cooperates and pressure arc lower mold (8), described fixed plate (16) pass through nitrogen compression spring
(12) being connected with the lower stripper (14) being positioned at fixed plate (16) lower section, described fixed plate (16) passes through pre-compressed spring
(26) being connected with pressure arc upper mold (6), pressure arc upper mold (6) is positioned at fixed plate (16) lower section;
Described pressure arc upper mold (6) lower end is spill cambered surface, and described pressure arc lower mold (8) upper end is convex-shaped arc surface, described spill arc
Face and described convex-shaped arc surface cooperating;
Described pressure arc upper mold (6) is provided with cut-out drift (7), along the advance of workpiece to be machined on described cut-out drift (7)
Direction is sequentially provided with the front cut-out cutting edge (72) and rear cut-out cutting edge (71) extended downwardly from, described after cut off the height of cutting edge (71)
Degree is higher than the height of front cut-out cutting edge (72), and described pressure arc lower mold (8) is provided with the matched with rear cut-out cutting edge (71)
One coordinates cutting edge (28), and described die (18) is provided with the second cooperation cutting edge (19) matched with front cut-out cutting edge (72).
Drum brake linings shoes arc plate the most according to claim 1 pressure arc mould, it is characterised in that also include being positioned at
Up stripper (11) between fixed plate (16) and lower stripper (14), described fixed plate (16) passes through the first sleeve (10)
Being connected with described up stripper (11), described first sleeve (10) includes the first overcoat being connected with fixed plate (16)
Cylinder (101) and the first inner sleeve (102) being connected with up stripper (11), described first inner sleeve (102) is first
In outer sleeve (101), the first outer sleeve (101) and the second inner sleeve (102) can be with relative movements.
Drum brake linings shoes arc plate the most according to claim 2 pressure arc mould, it is characterised in that described fixed plate
And between up stripper (11), be additionally provided with compression spring (9) (16).
Drum brake linings shoes arc plate the most according to claim 2 pressure arc mould, it is characterised in that described fixed plate
(16) being connected with described lower stripper (14) by the second sleeve (15), described second sleeve (15) includes with fixing
The second outer sleeve (152) that plate (16) is connected and the second inner sleeve (151) being connected with lower stripper (14), described
Second inner sleeve (151) is in the second outer sleeve (152), and the second outer sleeve (152) and the second inner sleeve (151) are permissible
Relative movement, described second sleeve (15) runs through up stripper (11).
Drum brake linings shoes arc plate the most according to claim 1 pressure arc mould, it is characterised in that described fixed plate
(16) being also associated with guide pillar (13) on, described guide pillar (13) runs through lower stripper (14).
Drum brake linings shoes arc plate the most according to claim 1 pressure arc mould, it is characterised in that on described pressure arc
It is respectively equipped with multiple liftout assembly (27) in the spill cambered surface of mould (6) and on the convex-shaped arc surface of described pressure arc lower mold (8).
Drum brake linings shoes arc plate the most according to claim 1 pressure arc mould, it is characterised in that on described pressure arc
Mould (6) is provided with pressure arc upper mold baffle plate (5) along spill cambered surface both sides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620401233.7U CN205599791U (en) | 2016-05-06 | 2016-05-06 | Drum brake piece shoe arc plate voltage arc forming die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620401233.7U CN205599791U (en) | 2016-05-06 | 2016-05-06 | Drum brake piece shoe arc plate voltage arc forming die |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205599791U true CN205599791U (en) | 2016-09-28 |
Family
ID=56969123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620401233.7U Active CN205599791U (en) | 2016-05-06 | 2016-05-06 | Drum brake piece shoe arc plate voltage arc forming die |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205599791U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112885508A (en) * | 2021-02-08 | 2021-06-01 | 人民电缆集团有限公司 | Fire-resistant polyvinyl chloride insulated cable and cladding device of production usefulness thereof |
-
2016
- 2016-05-06 CN CN201620401233.7U patent/CN205599791U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112885508A (en) * | 2021-02-08 | 2021-06-01 | 人民电缆集团有限公司 | Fire-resistant polyvinyl chloride insulated cable and cladding device of production usefulness thereof |
CN112885508B (en) * | 2021-02-08 | 2021-09-07 | 人民电缆集团有限公司 | Fire-resistant polyvinyl chloride insulated cable and cladding device of production usefulness thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203887058U (en) | Trimming and flanging shaping die | |
CN201855866U (en) | Friction plate fine blanking trimming die with reshaping function | |
CN205110551U (en) | Modulus of continuity cuts off shaping and takes off material mould | |
CN106077270A (en) | A kind of mould of front door of automobile waling part | |
CN104384350B (en) | Automobile armrest skeleton Automatic continuous mould | |
CN104438589A (en) | Automobile front wall plate lower extending piece punching technology and die | |
CN205599791U (en) | Drum brake piece shoe arc plate voltage arc forming die | |
CN106217468A (en) | A kind of cross cutting processing waste discharge tool | |
CN105945142A (en) | Mold for vehicle support part | |
CN101574718A (en) | Method and device for complete cycle deburring of product in continuous die | |
CN105880383A (en) | Mold structure for achieving top cover tail portion primary shaping and front shaping and side shaping method of mold structure | |
CN102825132A (en) | Punching technology of handle of cabinet freezer and punching die thereof | |
CN202239290U (en) | Inverted stamping die | |
CN102248062A (en) | Die for trimming casing of MP3 | |
CN204953637U (en) | Press die of gasket of universal slide of multipurpose | |
CN105945144A (en) | Die of automobile hinge reinforcing plate part | |
CN100531953C (en) | Method for manufacturing clipping nail and die for forming the same | |
CN203725608U (en) | Die of automobile hinge reinforcing plate spare part | |
CN202725834U (en) | Stamping die for cabinet freezer handle | |
CN206492837U (en) | One kind shaping and rotary-cut side continuous mold structure | |
CN105081083A (en) | End cover punching blanking stretch drawing die | |
CN205833959U (en) | A kind of mould for welding automobile rear end panel part | |
CN102500693A (en) | Inverted blanking die | |
CN111001706B (en) | Stamping device for carrying out continuous stamping by adopting waste-free scrap-overlap continuous die | |
CN106391858A (en) | Die for part of automobile front seat supporting plate assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |