CN110314982A - A kind of electric switch contact chip multistation progressive die - Google Patents
A kind of electric switch contact chip multistation progressive die Download PDFInfo
- Publication number
- CN110314982A CN110314982A CN201910750155.XA CN201910750155A CN110314982A CN 110314982 A CN110314982 A CN 110314982A CN 201910750155 A CN201910750155 A CN 201910750155A CN 110314982 A CN110314982 A CN 110314982A
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- Prior art keywords
- insert
- punch
- die
- blanking
- die holder
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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
- B21D37/08—Dies with different parts for several steps in a process
-
- 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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of electric switch contact chip multistation progressive dies, including upper die holder, punch retainer, lower die holder and die block, punch retainer is fixedly connected on the downside of upper die holder, die block is fixedly connected on the upside of lower die holder, upper die holder is connected on lower die holder by two guide posts, punch retainer is disposed with raised punch insert from charging side to discharging side, standard punch-pin, semicircle orifice punch insert, blanking punch insert one, blanking punch insert two, blanking punch insert three, blanking punch insert four, bending punch insert and cutting punch insert, die block is disposed with punching concave die insert from charging side to discharging side, semicircle orifice die plate insert, punching and blanking die insert one, punching and blanking die insert two, punching and blanking die insert three, punching and blanking die insert four, bending die insert and cutting are recessed Mould insert.The present invention can be realized the rapid processing of HJL.21 electric switch contact, and machining accuracy is high, and efficiency is fast.
Description
Technical field
The present invention relates to a kind of HJL.21 electric switch contact chip multistation progressive dies, belong to electric switch multistation grade
Into technical field of mold.
Background technique
The multistation progressive die of stamping die has integrated level height, is easily achieved punching production automation, stamping precision height
The features such as, it is widely used, it is production efficiency highest in contemporary stamping die, the one kind for being most suitable for mass production application, is suitble to
The solid forming of complex-shaped middle-size and small-size part and processing.It, as shown in figs. 4-7, should for HJL.21 electric switch contact chip
Part shape is complicated, wherein the semicircle orifice for being 1.5mm containing a radius, the hole and part edge minimum distance are 0.6mm, is less than
The minimum License Value of hole back gauge be easy to cause workpiece to deform in forming, and the lateral flattening of part is having a size of 12.6184mm.Plate
Material is with a thickness of 0.8mm, and material selection H68 basis brass, moulding is relatively preferable, and intensity is higher, and tensile strength is greater than 660Mpa,
Suitable for producing in enormous quantities.The part is electric switch contact chip, is used cooperatively with other parts, to the outer dimension of part and
The position accuracy demand of inner hole is higher, existing not have corresponding progressive die to be manufactured.
Summary of the invention
The technical problem to be solved by the present invention is a kind of electric switch contact chip multistation progressive die is provided, to solve
Above-mentioned problems of the prior art.
The technical scheme adopted by the invention is as follows: a kind of electric switch contact chip multistation progressive die, including it is upper die holder, convex
Mould fixed plate, lower die holder and die block, punch retainer are fixedly connected on the downside of upper die holder, and die block is fixedly connected
Side on the lower die seat, upper die holder are connected on lower die holder by two guide posts, punch retainer from charging side to discharging side according to
It is secondary to be provided with raised punch insert, standard punch-pin, semicircle orifice punch insert, blanking punch insert one, blanking punch insert two, punching
Cut out punch insert three, blanking punch insert four, bending punch insert and cutting punch insert, die block from charging side to
Discharging side be disposed with punching concave die insert, semicircle orifice die plate insert, punching and blanking die insert one, punching and blanking die insert two,
Punching and blanking die insert three, punching and blanking die insert four, bending die insert and cutting die plate insert.
Preferably, above-mentioned guide post lower end is fixedly connected on the lower die seat, and outside is socketed with reset spring one, upper end outer cover
It is connected to ball distance ring, ball distance ring is embedded into guide sleeve, and guide sleeve is fixedly connected on upper die holder.
Preferably, it is removably installed the multipair upper limit facing each other respectively on the downside of above-mentioned upper die holder and on the upside of lower die holder
Position column and lower limit column.
Preferably, flexible stripper is installed below above-mentioned punch retainer, stripper is fixedly connected with two discharging spiral shells
Nail, each unloading bolt lean on the major part of unloading bolt to limit after passing through punch retainer, and unloading bolt is socketed with reset spring two,
Two upper and lower side of reset spring is born against on the downside of punch retainer and on the upside of stripper.
Preferably, flexible multipair ejector beam, every ejector beam lower end step head, platform are installed on above-mentioned die block
Rank head, which is extend into lower die holder, is resisted against three upper end of reset spring, and three other end of reset spring is resisted against wedge block, and wedge block is solid
Surely it is connected to the placement through-hole outer end of reset spring three.
Preferably, above-mentioned each pair of ejector beam upper end is provided with symmetrical annular groove, and two annular grooves block billot.
Preferably, charging one end of above-mentioned lower die holder is equipped with deflector chute, and deflector chute is towards input and output material direction.
Preferably, pilot pin is provided on above-mentioned punch retainer, pilot pin is located at blanking punch insert two and is punched convex
Between mould insert three.
Beneficial effects of the present invention: compared with prior art, mold of the invention can be realized HJL.21 electric switch and connect
Contact rapid processing, machining accuracy is high, high production efficiency, the mould features compact structure, the operation is stable, and guide post ball is oriented to mould bases,
Stable working, guiding accuracy is high, and the floating ejector beam with guiding role annular groove ensure that the positioning of vertical feed direction, together
Shi Caiyong automatic feeding carries out coarse positioning to billot, and pilot pin carries out fine positioning, to guarantee the positioning of feeding step pitch, mold
In installed limited post additional, avoid punch-die from wearing, and use elastic tripper, ensure that the quality of stamping.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of mold；
Fig. 2 is A-A the schematic diagram of the section structure in Fig. 1；
Fig. 3 is B-B the schematic diagram of the section structure in Fig. 1；
Fig. 4 is electric switch contact schematic perspective view；
Fig. 5 is electric switch contact forward sight structural schematic diagram；
Fig. 6 is electric switch contact right side structural representation；
Fig. 7 is electric switch contact overlooking structure diagram；
Fig. 8 is electric switch contact stock layout structural schematic diagram；
Fig. 9 is guide post junction structural schematic diagram；
Figure 10 is cavity die structure schematic diagram；
Figure 11 is ejector beam junction structural schematic diagram；
Figure 12 is stripper junction structural schematic diagram.
In figure, 1- screw one, 2- small cushion block, 3- cushion block, 4- straight pin one, 5- screw two, 6- deflector chute, 7- protrusion punch-pin
Insert, 8- standard punch-pin, 9- semicircle orifice punch insert, 10- blanking punch insert one, 11- blanking punch insert two, 12- correcting
Pin, 13- die shank, 14- blanking punch insert three, 15- blanking punch insert four, 16- bending punch insert, 17- cut off punch-pin edge
Block, 18- upper die holder, 19- convex mould pad, 20- punch retainer, 21- stripper, 22- die block, 23- cavity plate backing plate,
24- lower die holder, 25- cut off die plate insert, 26- bending die insert, 27- punching and blanking die insert four, 28- reset spring three, 29-
Wedge block, 30- ejector beam, 31- punching and blanking die insert three, 32- punching and blanking die insert two, 33- punching and blanking die insert one, 34- half
Circular hole die plate insert, 35- punching concave die insert, 36- screw three, 37- reset spring one, 38- guide post, 39- screw four, 40- rolling
Pearl retainer, 41- guide sleeve, 42- unloading bolt, 43- straight pin two, 44- reset spring two, 45- upper limit column, 46- screw five,
47- screw six, 48- straight pin three, 49- lower limit column, 50- billot.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
Embodiment 1: as shown in Figure 1-Figure 3, a kind of electric switch contact chip multistation progressive die, including upper die holder 18,
Punch retainer 20, lower die holder 24 and die block 22, punch retainer 20 (are played by screw 4 39 and straight pin 3 43
Positioning action) it is fixedly connected on 18 downside of upper die holder, die block 22 (plays positioning by screw 3 36 and straight pin 2 48
Effect) it is fixedly connected on 24 upside of lower die holder, upper die holder 18 is connected on lower die holder 24 by two guide posts 38, punch retainer 20
It is convex that raised punch insert 7, standard punch-pin 8, semicircle orifice punch insert 9, punching are disposed with from charging side to discharging side
Mould insert 1, blanking punch insert 2 11, blanking punch insert 3 14, blanking punch insert 4 15, bending punch insert 16
With cutting punch insert 17, die block 22 is disposed with punching concave die insert 35, half from charging side to discharging side
Circular hole die plate insert 34, punching and blanking die insert 1, punching and blanking die insert 2 32, punching and blanking die insert 3 31, punching and blanking die edge
Block 4 27, bending die insert 26 and cutting die plate insert 25, punching concave die insert 35, semicircle orifice die plate insert 34, punching are recessed
Mould insert 1, punching and blanking die insert 2 32, punching and blanking die insert 3 31, punching and blanking die insert 4 27, bending die insert 26
Standard punch-pin 8, semicircle orifice punch insert 9, blanking punch insert 1, blanking punch edge are respectively corresponded with cutting die plate insert 25
Block 2 11, blanking punch insert 3 14, blanking punch insert 4 15, bending punch insert 16 and cutting punch insert 17, upper mold
Pincer attack has convex mould pad 19 between seat 18 and punch retainer 20, and 18 upper end center of upper die holder is equipped with die shank 13,24 He of lower die holder
Pincer attack has cavity plate backing plate 23 between die block 22, and through-hole is arranged on the corresponding die block 22 of raised punch insert 7.
Electric switch, first step protrusion simultaneously rush correcting hole；Second step rushes semicircle orifice；Third step rushes lump waste materials broad in the middle；The
Four steps rush lower regions waste material；5th step goes out middle section connection waste material；6th step sky one station so that blanking portion and
The punch-pin of bending part does not generate interference；7th step carries out Z-shaped bending；8th step cuts off part.The process program is all convex
Molding pressure direction is consistent with punching machine press machine direction, it is not necessary to which in addition punch mechanism, apprentice increase mold design cost for design, respectively
Interference will not be generated between a part, as shown in Figure 8.
According to the layout project of Fig. 8, using the Nesting for having waste material, pattern type selects straight-line, and tilt angle is
90 °, after part rotation, the maximum length perpendicular to feed direction is 12.62mm, and minimum edge-lapped value is between part workpiece
1.4mm, minimum side edge-lapped value are 1.8mm.It is computed, mold feeding step pitch S is 20.5mm, completes item required for all stations
Expect that length (the sum of i.e. each step pitch) is 184.5mm.The distance between billot width and stock guide, mould can be found out according to the above parameter
Tool design consideration does not use side-pressing device, then the distance between billot width B and material guide device B0It can calculate as follows:
Billot width:
Distance between material guide device: B0=DMAX+a+2Z
The width of B in formula --- billot, unit: mm；
DMAX--- blanking part takes 12.62mm perpendicular to the maximum length of feed direction；
A --- side edge-lapped value takes 2.8mm to leave enough spaces to fabrication hole；
Gap between Z --- stock guide and most wide billot, takes 0.5mm；
Δ --- the unilateral tolerance of billot width takes 0.10mm.
Then billot width isIt takes
16mm；Distance between stock guide is B0=DMAX+ a+2Z=12.62+2.8+2 × 0.5=16.42mm.
Each punch-pin in the present invention uses inlaid type punch structure, not only forged in reduction punch-pin manufacturing process in this way,
It is difficult brought by heat treatment and machining, it can also reduce the usage amount of expensive mould steel.Punch-pin is secured to use between plate
The transition fit of H7/m6, while punch-pin non-operative end is designed to local shoulder, so that it is fixed on punch-pin pad in the vertical direction
Between plate and punch retainer, guarantee that it is not extracted at work by cavity plate.Height of shoulder is 5mm, and length is than punch-pin week ungraduated ruler
Very little more 1mm.Punch-pin length is 44mm.
Cavity plate is matched in mold work with punch-pin, and blanking area is cut off.The present invention uses inlaid type cavity plate, with
Reduce material cost and manufacture difficulty.Cavity plate is secured to equally use the transition fit of H7/m6, cavity plate non-operative end between plate
It is designed to shoulder, guarantees that it is not extracted out at work because of the active force of punch-pin.Height of shoulder is 5mm, and peripheral dimensions compare cavity plate
The more 1mm of largest contours itself.The cutting edge form of cavity plate uses straight barrel type cutting edge, and cutting edge height h is 3mm, and angle of inclination beta takes 2 °,
Intensity is higher, is suitable for being punched the complex-shaped and higher part of required precision.Shown in cutting edge of die schematic diagram as shown in the figure 10
Preferably, above-mentioned 38 lower end of guide post is fixedly connected on lower die holder 24, and outside is socketed with reset spring 1, upper end
Outside is socketed with ball distance ring 40, and ball distance ring 40 is embedded into guide sleeve 41, and guide sleeve is fixedly connected on upper die holder 18 and leads
Column guarantees that the upper and lower die holder of stamping die can work at work by correct motion profile, and guide post 38 uses a pair,
Diagonally arranged, ball guiding, punching speed is fast, and guiding accuracy is high, and the ball of ball distance ring 40 is in guide pillars and bushes internal diameter
Between maintain 0.01 to 0.02mm magnitude of interference, the length of guide post is 105mm, diameter 20mm；Guide sleeve height is 50mm, outside
Diameter takes 37mm, and internal diameter takes 26mm；Ball diameter is 3mm.Guide pillars and bushes uses the interference fit of H7/r6, as shown in Figure 9.
Preferably, above-mentioned 18 downside of upper die holder and 24 upside of lower die holder are removably installed multipair facing each other respectively
Upper limit column 45 and lower limit column 49, upper limit column 45 and lower limit column 49 connect by the way that screw 5 46 and screw 6 47 are fixed respectively
It connects on upper die holder 18 and lower die holder 24, upper limit column 45 and the composition limiting device of lower limit column 49, protection punch-die, in mold
It installs 4 pairs of limiting devices additional, symmetrically arranges, when mold off working state, due to the effect of limit sleeve, upper mold compares lower die always
It is higher by a distance, punch-pin cannot propagate into cavity plate, play the role of protecting punch-die, convenient for the placement and carrying of mold.
When mold work, the limit sleeve between limited post need to only be removed, mold just can work normally.
To guarantee that the quality and flatness of stamping are equipped with flexible using elastic tripper below punch retainer 20
Stripper 21, stripper 21 is fixedly connected with two unloading bolts 42, and each unloading bolt 42 leans on after passing through punch retainer 20
The major part of unloading bolt 42 limits, and unloading bolt 42 is socketed with reset spring 2 44, and 2 44 upper and lower side of reset spring is born against
In 21 upside of the downside of punch retainer 20 and stripper, unloading bolt is arranged 8, and unloading bolt is connected with upper die holder, when punching,
It can not only play the role of discharging, moreover it is possible to compress billot, the piece surface flatness produced is higher, as shown in figure 12.
When mold work, billot needs to carry out in the feeding process the positioning of both direction, first is that vertical feed direction
Positioning, second is that the positioning of feeding step pitch is equipped with flexible multipair ejector beam as shown in figure 11 on above-mentioned die block 24
30, every 30 lower end step head of ejector beam, step head, which is extend into lower die holder 24, is resisted against 3 28 upper end of reset spring, resets bullet
3 28 other end of spring is resisted against wedge block 29, and wedge block 29 is fixedly connected on the placement through-hole outer end of reset spring 3 28；It is each pair of
30 upper end of ejector beam is provided with symmetrical annular groove, and two annular grooves block billot 50, to the buoyant device that billot is constituted, each punching press
Billot is raised on cavity plate working face using buoyant device afterwards, so that obstacle feeding is avoided, using the annular with guiding role
Slot can correctly be oriented to billot, instead of the effect of guide pin, stock guide, and cooperate reset spring three, can be by billot
It lifts, avoids and open up recessing groove too much, the length of ejector beam is 29mm, and working portion diameter is 6mm, with die block
Between use H7/g6 clearance fit.Totally 2 pairs of Lifting Device, it is arranged in empty place, interferes it with molded parts；
In order to be sent into billot along correct track at the very start, charging one end of lower die holder 24 is equipped with deflector chute 6, deflector chute 6
Towards input and output material direction, deflector chute 6 is fixedly connected on cushion block 3 by screw 25 and positioning pin 1, and cushion block 3 passes through screw one
1 is fixedly connected on lower die holder 24, and pincer attack has small cushion block 2 between cushion block 3 and lower die holder 24；Correcting is provided on punch retainer 20
Pin 12, between blanking punch insert 2 11 and blanking punch insert 3 14, pilot pin ensures on second direction pilot pin 12
Positioning, using automatic feeding to billot carry out coarse positioning, carry out fine positioning with pilot pin.If billot is generated when being sent into
Deviation, pilot pin are likely to carry out billot accidentally punching, it is therefore desirable to open up a slug hole, on cavity plate accidentally to rush waste material
It falls.In the present invention use 4 pilot pins, working portion diameter be 1.96mm, be arranged in the empty place of stock layout, make its not at
Shape insert interferes.
The HJL.21 electric switch multi-station progressive die course of work are as follows: when mold open, under automatic feeding effect,
Billot is sent to predetermined position, is ready for punching press.Press ram drives upper die holder to move downward, and starts punching press movement,
First station carries out protrusion and rushes correcting hole, and during feeding, pilot pin is inserted into correcting hole billot, guarantees billot positioning
Accurately；Second station goes out semicircle orifice；Third goes out intermediate and lower regions waste material to the 5th station；7th station to product into
The Z-shaped bending of row；Eighth station cuts off part, completes the forming of stamped part, then under press ram effect, upper die holder
It moves upwards, elastic tripper discharging, sliding block continues up, spring reset, and buoyant device floats, and billot is sent to next work
Position, carries out next station punching.
Above-mentioned mold is followed successively by upper die holder, convex mould pad, punch retainer, stripper, die block, recessed from top to bottom
Die-cushion plate, lower die holder, the planar dimension of each template are preset as 210mm × 80mm, and the planar dimension of die holder is 240mm × 180mm,
It is 115mm that mold, which is closed height H,
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims lid.
Claims (8)
1. a kind of electric switch contact chip multistation progressive die, it is characterised in that: including upper die holder (18), punch retainer
(20), lower die holder (24) and die block (22), punch retainer (20) are fixedly connected on the downside of upper die holder (18), and cavity plate is solid
Fixed board (22) is fixedly connected on the upside of lower die holder (24), and upper die holder (18) is connected on lower die holder (24) by two guide posts (38),
Punch retainer (20) is disposed with raised punch insert (7), standard punch-pin (8), semicircle from charging side to discharging side
Hole punch insert (9), blanking punch insert one (10), blanking punch insert two (11), blanking punch insert three (14), punching are convex
Mould insert four (15), bending punch insert (16) and cutting punch insert (17), die block (22) is from charging side to out
It is recessed that material side is disposed with punching concave die insert (35), semicircle orifice die plate insert (34), punching and blanking die insert one (33), punching
Mould insert two (32), punching and blanking die insert three (31), punching and blanking die insert four (27), bending die insert (26) and cutting cavity plate
Insert (25).
2. a kind of electric switch contact chip multistation progressive die according to claim 1, it is characterised in that: guide post (38)
Lower end is fixedly connected on lower die holder (24), and outside is socketed with reset spring one (37), is socketed with ball distance ring outside upper end
(40), ball distance ring (40) is embedded into guide sleeve (41), and guide sleeve is fixedly connected on upper die holder (18).
3. a kind of electric switch contact chip multistation progressive die according to claim 1, it is characterised in that: upper die holder
(18) it is removably installed multipair upper limit column facing each other (45) and lower limit respectively on the upside of downside and lower die holder (24)
Column (49).
4. a kind of electric switch contact chip multistation progressive die according to claim 1, it is characterised in that: punch-pin is fixed
It is equipped with flexible stripper (21) below plate (20), stripper (21) is fixedly connected with two unloading bolts (42), each discharging
Screw (42) passes through the major part of punch retainer (20) afterwards by unloading bolt (42) and limits, and unloading bolt (42) is socketed with reset bullet
Spring two (44), reset spring two (44) upper and lower side are born against on the downside of punch retainer (20) and on the upside of stripper (21).
5. a kind of electric switch contact chip multistation progressive die according to claim 1, it is characterised in that: cavity plate is fixed
Flexible multipair ejector beam (30), every ejector beam (30) lower end step head are installed, step head extend into lower die on plate (24)
It is resisted against reset spring three (28) upper end in seat (24), reset spring three (28) other end is resisted against wedge block (29), wedge block
(29) it is fixedly connected on the placement through-hole outer end of reset spring three (28).
6. a kind of electric switch contact chip multistation progressive die according to claim 1, it is characterised in that: each pair of liftout
Bar (30) upper end is provided with symmetrical annular groove, and two annular grooves block billot.
7. a kind of electric switch contact chip multistation progressive die according to claim 1, it is characterised in that: lower die holder
(24) charging one end is equipped with deflector chute (6), and deflector chute (6) is towards input and output material direction.
8. a kind of electric switch contact chip multistation progressive die according to claim 1, it is characterised in that: punch-pin is fixed
It is provided on plate (20) pilot pin (12), pilot pin (12) is located at blanking punch insert two (11) and blanking punch insert three (14)
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910750155.XA CN110314982A (en) | 2019-08-14 | 2019-08-14 | A kind of electric switch contact chip multistation progressive die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910750155.XA CN110314982A (en) | 2019-08-14 | 2019-08-14 | A kind of electric switch contact chip multistation progressive die |
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| Publication Number | Publication Date |
|---|---|
| CN110314982A true CN110314982A (en) | 2019-10-11 |
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ID=68126117
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910750155.XA Pending CN110314982A (en) | 2019-08-14 | 2019-08-14 | A kind of electric switch contact chip multistation progressive die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808858A (en) * | 2021-01-25 | 2021-05-18 | 重庆理工大学 | Progressive die for manufacturing spring arms |
| CN115430754A (en) * | 2022-11-02 | 2022-12-06 | 创融智能装备江苏有限公司 | Sheet metal forming and stamping equipment |
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| EP2825469A1 (en) * | 2012-03-15 | 2015-01-21 | Ardagh MP Group Netherlands B.V. | Metal packaging with tubular part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808858A (en) * | 2021-01-25 | 2021-05-18 | 重庆理工大学 | Progressive die for manufacturing spring arms |
| CN115430754A (en) * | 2022-11-02 | 2022-12-06 | 创融智能装备江苏有限公司 | Sheet metal forming and stamping equipment |
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Inventor after: Mei Yi Inventor after: Yan Tiancan Inventor after: Su Gaosi Inventor after: Wu Yanhua Inventor after: Li Hui Inventor after: Jin Zhuangzhuang Inventor before: Mei Yi Inventor before: Yan Tiancan Inventor before: Wu Yanhua Inventor before: Li Hui Inventor before: Jin Zhuangzhuang |
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