CN105945140A - Floating type strip material drawing progressive die - Google Patents
Floating type strip material drawing progressive die Download PDFInfo
- Publication number
- CN105945140A CN105945140A CN201610422968.2A CN201610422968A CN105945140A CN 105945140 A CN105945140 A CN 105945140A CN 201610422968 A CN201610422968 A CN 201610422968A CN 105945140 A CN105945140 A CN 105945140A
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- Prior art keywords
- floating
- plate
- die
- hole
- die plate
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D43/003—Positioning devices
-
- 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
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention belongs to the field of progressive dies, and particularly relates to a floating type strip material drawing progressive die. The die comprises an unloading plate used for pressing a material strip; the unloading plate is connected with an upper die holder through an upper die elastic assembly; a floating female die plate is further arranged over a fixed female die plate and connected with the fixed female die plate through a lower die elastic assembly; the floating female die plate is provided with an avoiding hole in the vertical direction; the fixed female die plate is provided with a boss part in an extending manner; the floating female die plate is sequentially provided with a notch hole and a first drawing hole in the material strip machining direction; the positions, from a second drawing hole of the die to a final drawing hole, of the die are arranged at the position of the upper surface of the boss part; and a material stripping hole of the die is located in the floating female die plate and arranged behind the position of the final drawing procedure of the die. The floating type strip material drawing progressive die has the beneficial effects of being small in body type, convenient to use and high in production stability, and the finished product quality of products can be effectively guaranteed.
Description
Technical field
The invention belongs to progressive die field, be specifically related to a kind of floating type strip drawing progressive die.
Background technology
Drawing, also referred to as drawing, stretch, calendering etc., refer to utilize mould, by obtain after stamping-out
Definite shape plate blank strikes out various open hollow part, then is reduced by open hollow blank straight
Footpath, increase height are until cutting off a kind of mechanical processing technique of de-material.Existing floating type strip drawing
Progressive die, generally includes be made up of cope match-plate pattern, upper die plate, punch retainer and stripper upper
Membrane module and the lower mold assemblies being made up of anchor template, lower mold backing plate and lower bolster.During use,
Continuous print material strip enters mould by step-by-step system from the front end of mould, is processed step by step, until
The rear end discharging of mould.The every stepping of material strip once, upper die component and lower mold assemblies matched moulds once, phase
Each station answering ground mould works once, is finally completed the work such as otch, drawing, cut-out.On
State structure in use, it has been found that, owing to all dies coordinated with punch are all arranged on
On the concave template of same plane height, once the formed product height of required processing increases, then
Under limited stepping numerical value, the punch difference in height at every adjacent stepping operation inevitably enlarges.Along with unloading
The pressure down of flitch, often occurs when follow-up drawing punch does not also penetrate the drawing position on material strip, unloads
Flitch the most by the material strip die face bouncing and being pressed on anchor template tightly, this phenomenon
Between first drawing and second drawing sequence, performance is the most obvious.Again because of second Drawing Hole
Footpath, certainly less than first drawing aperture, not yet penetrates the drawing on material strip at second drawing punch
Under the situation at position, this is more than because of external diameter by the drawing position of first drawing punch punching press
Second drawing aperture, and then directly clapped at anchor template die face by stripper, it is clear that produce
The quality of finished of product is not the most just known where to begin.Solution to the problems described above is to have at present, but the most only
It is limited to the spacing significantly increasing adjacent two operations along material strip direct of travel, thus reduces adjacent
Two drawing punch top lines and the angle angle of anchor template die face, and then to a certain extent
Delay the generation of above-mentioned condition.But, the most insignificant empty step number mesh of adjacent inter process spacing
Increase, often lead to hugeization of mould build, and then die manufacturing cost increased, make
Use the most extremely inconvenience.
Summary of the invention
It is an object of the invention to provide a kind of reliable floating type strip drawing progressive die rational in infrastructure,
It can be also equipped with that mould is small, user while guaranteeing for the reliable drawability of material strip
Just and the high advantage of production stability, the quality of finished of product can be effectively ensured.
For achieving the above object, present invention employs techniques below scheme:
A kind of floating type strip drawing progressive die, including upper bolster, die shoe and order about two die holders
Between produce vertical to close and lead away from action；Upper bolster includes the upper mold of arranged stacked
Plate, upper die plate and punch retainer, it is solid that the punch that each stepping operation is comprised is both secured to punch
Determine to downwardly extend on plate and by this fixed plate vertical；This mould also includes for compressing unloading of material strip
Flitch, stripper plate face is horizontally disposed, and arranges the perforation walked for above-mentioned punch on stripper；
Between stripper with upper bolster with can make stripper make relative to upper bolster vertical to make vertical to elasticity float
The upper mold elastic parts of dynamic action connects each other；Die shoe includes the lower bolster of arranged stacked, lower mold
Backing plate and anchor template, it is characterised in that: also set up in the surface of described anchor template
There is floating cavity die plate, so that floating cavity die plate can be made to be relatively fixed between floating cavity die plate and anchor template
Concave template is made vertical and is connected each other to the lower mold elastic parts of elastic floating action；On floating cavity die plate
Vertical to offer resigning hole, in anchor template vertical to upwardly extend along this resigning hole
There is boss portion, floating cavity die plate is sequentially arranged incision hole and first drawing along material strip machine direction
Hole, the second Drawing Hole of mould may be contained within the upper surface of boss portion to last one Drawing Hole
Place, the material demoulding hole of mould is positioned on floating cavity die plate and location arrangements is in last one drawing of mould
Locate after operation；The elastic force of lower mold elastic parts is convex not less than the elastic force of upper mold elastic parts, otch
The blanking pressure of mould and first drawing punch drawing pressure sum；When mould is die opening state, float recessed
The upper level difference of the die face of template and boss portion is not less than the forming height of product；Mould is for closing
During mould state, the die face of floating cavity die plate and the upper surface of boss portion are positioned at same horizontal plane.
Upper mold elastic parts includes that upper mold stage clip, the top end face of upper mold stage clip are fixed in cope match-plate pattern,
The power pin of leading coaxially is fixed at upper mold stage clip bottom face, and the power pin of leading runs through upper die plate to be fixed with punch
Plate is to connect stripper；Lower mold elastic parts includes lower mold stage clip and is positioned at lower mold stage clip top end face
Place the floating pin fixing with lower mold stage clip, the bottom face of lower mold stage clip is fixed on lower bolster, floating
The top vertical of untie-sell to run through lower mold backing plate and anchor template and and floating cavity die plate between structure
Become secure fit.
The described power of leading pin and pin profile of floating, all in screw-like, lead power pin and the nut portion of the pin that floats
Respectively and to constitute unidirectional seam between the lower surface of the upper surface of upper die plate and lower mold backing plate spacing
Coordinate.
Stripper includes discharging mainboard and the discharging backing plate being laminated on discharging mainboard, and upper mold is elastic
Power of the leading pin of assembly is fixed on discharging backing plate；Floating cavity die plate includes floating mainboard and is laminated in
Floating plate under floating mainboard, the floating pin top end face of lower mold elastic parts is fixed on floating plate
Place.
Matched moulds guide pillar has been downwardly extended, the mating holes coordinated with matched moulds guide pillar by upper die plate vertical
Vertical run through punch retainer, stripper, floating cavity die plate, anchor template, lower mold backing plate with
And lower bolster；Stripper, floating cavity die plate and anchor template are respectively provided with for leading with matched moulds
Intercolumniation constitutes the axle sleeve that shiny surface coordinates.
Coaxially running through layout through hole on anchor template, lower mold backing plate and lower bolster, this runs through
Aperture, hole is more than material demoulding hole aperture and coaxially to each other.
It is provided on die shoe coordinating with the correcting hole on material strip to position the elastic correcting of material strip
Nail, elastic correcting nail along material strip direct of travel uniformly at intervals and at the paired material strip both sides that are placed in,
The elastic force direction vertical of elastic correcting nail is arranged.
The beneficial effects of the present invention is:
1) and at present drawing progressive die uses increase level to the mode of size to improve mould easily
The traditional handicraft of performance is different, and the present invention is based on reducing the build of mould and improving the reality of mould
Usability, by setting up floating cavity die plate at die shoe, and then realizes mould the least
Property easy to use under build and reliable operation sexual demand.Offer resigning hole on floating cavity die plate, allow
Hole, position coordinates with constituting between boss portion at anchor template；In other words, original be all arranged on fixing
Operation hole at concave template, except (including between second Drawing Hole to the last one Drawing Hole
Second Drawing Hole is Drawing Hole together with last) outward, other such as incision hole, first drawing
Hole and material demoulding hole are arranged at floating cavity die plate.By said structure, the most directly avoid
After first drawing sequence completes and during stepping feed, first fall because of stripper and contact by force
Material strip is tightly against in anchor template, and the first drawing parts caused are forced shape of clapping
Condition.When stripper is descending every time, first stripper touches floating cavity die plate, now because of floating cavity die
The original difference in height of through hole and boss portion, the material strip section at first drawing parts place at plate
" unsettled ", directly over boss portion, does not the most exist and above-mentioned bounces problem.
To sum up, the present invention changes the inherent structure of tradition strip drawing progressive die, by by difference
The Drawing Hole of station is arranged on different concave templates, during mould semi-closed available height difference and from
So avoid the destruction situation for material strip, when mould matched moulds is complete, remain the most again material strip
Grazing, its feeding and punching course are reliable and stable, are particularly suited for current high speed stamping environment
In.
2), as the further preferred scheme of such scheme, upper mold elastic parts and lower mold elasticity group
Part can be the bed course that elastic colloid pad etc. possesses elastic force, it is also possible to use pressure as described in the present invention
Spring structure realizes.The elastic force of lower mold stage clip should be more than or equal to the elastic force of upper mold stage clip, otch
The blanking pressure of punch and first drawing punch drawing pressure sum, thus only descending at stripper and
Lance punch otch and first drawing punch drawing are complete, and it is recessed that stripper is resisted against floating completely
After in template, floating cavity die plate could because stripper force and descending and final concordant boss portion, enter
And remaining drawing punch could perform drawing operation.
3), lead power pin and the bolt structure of the pin that floats, contribute to making upper mold stage clip and lower mold stage clip begin
It is in pretightning force state eventually, and then guarantees stripper and floating cavity die plate position under die opening state
Homeostasis.Leading power pin also makes stripper naturally to hang at upper bolster by nut position,
Thus ensure the connectivity that stripper is overall with mould.
4), discharging backing plate and the layout of floating plate, it is ensured that upper mold elastic parts and lower mold are elastic
Assembly coordinates reliability with corresponding plate body.The setting of matched moulds guide pillar, the most further improves and unloads
Relative to the centering accuracy of die shoe when flitch is descending, to avoid stripper because installing the situations such as deflection
And unbalance stress when causing descending, and then it is inclined to produce punch and lance punch generation stamping-out at stripper
Ramp-like condition, to promote the functional reliability of mould.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic that the present invention is under die opening state；
Fig. 2 is the structure cross-sectional schematic that the present invention is in closing course；
Fig. 3 is the structure cross-sectional schematic that the present invention is under matched moulds state.
In accompanying drawing, each labelling is as follows with each component names corresponding relation of the present invention:
A-material strip
A-incision hole b-first Drawing Hole c-second Drawing Hole d-material demoulding hole
A1-lance punch b1-first drawing punch c1-second drawing punch
D1-de-material punch e1-the 3rd road drawing punch
10-cope match-plate pattern 20-upper die plate 30-punch retainer 40-stripper
50-lower bolster 60-lower mold backing plate
70-anchor template 71-boss portion 80-floating cavity die plate 81-resigning hole
91-upper mold stage clip 92-leads power pin 101-lower mold stage clip 102-floating pin
110-matched moulds guide pillar 120-through hole 130-elasticity correcting is followed closely
Detailed description of the invention
For ease of understanding, it is embodied as illustration to the structure of the present invention and work here in connection with Fig. 1-3
It is further described as process:
The concrete structure of the present invention as Figure 1-3, including constitute main body frame cope match-plate pattern 10
With lower bolster 50, connect each other to form vertical guiding cooperation with four leads between two templates.
Punch retainer 20 and upper die plate 20 are bolted at cope match-plate pattern 10 lower surface, from
And follow cope match-plate pattern 10 together action.The stripper 40 that discharging mainboard and discharging backing plate are constituted passes through
Lead power pin 92 to hang on cope match-plate pattern 10, and follow cope match-plate pattern 10 together action.By compression
Upper mold stage clip 91, stripper 40 then can produce and mutually move between cope match-plate pattern 10.Anchor
Template 70 and lower mold backing plate 60 are to be fixed by bolts on lower bolster 50, by floating mainboard with floating
Floating cavity die plate 80 volume that dynamic backing plate is constituted is to be fixed on lower bolster 50 with floating pin 102.Logical
Overcompression lower mold stage clip 101, floating cavity die plate 80 can produce mutually to be transported between lower bolster 50
Dynamic.For ensureing precision when each plate mutually moves, punch retainer 20 is provided with four
Matched moulds guide pillar 110, the opposite position at stripper 40 is provided with axle sleeve, floating cavity die plate 80
With the opposite position of anchor template 70, axle sleeve is installed equally.
Real work flow process of the present invention is as follows:
First correcting hole at material strip A is through on elastic correcting nail 130 with fixing material strip A, such as figure
Shown in 1, start mould.Forcing press drive cope match-plate pattern 10 move down, punch retainer 20 and
Stripper 40 is also followed and is moved down.When stripper 40 lower surface and floating cavity die plate 80 upper end
After the contact of face, because the elastic force of lower mold stage clip 101 is much larger than the elastic force of upper mold stage clip 91, stripper
40 stop moving down.When showing in fig. 2, now lance punch a1, first drawing are convex
Mould b1, second drawing punch c1, the 3rd road drawing punch and de-material punch d1 gradually start
Exposed by stripper 40 lower surface.Draw with first more than otch because of the elastic force of upper mold stage clip 91 again
Deep required blanking pressure, floating cavity die when lance punch a1 and first drawing punch b1 works
Plate 80 can't move down, and mould now performs otch, first drawing and Tuo Liao tri-road
Operation.Other drawing sequences of centre are then because of in Fig. 1 between floating cavity die plate 80 and boss portion 71
Difference in height and cannot perform.Cope match-plate pattern 10 continues to move down, when punch retainer 20 with unload
After the contact of flitch 40 lower surface, upper mold stage clip 91 starts to be compressed, now floating cavity die plate 80
Also begin to move down.As a example by drawing formula progressive die in scheming, it can be seen that anchor template
70 gradually go deep in the resigning hole 81 on floating cavity die plate 80, and second drawing is convex in the process
Mould c1 and the 3rd road drawing punch e1 as last road all penetrates in the Drawing Hole of correspondence.
When upper bolster and stripper 40 move to bottom dead centre, as it is shown on figure 3, floating cavity die plate 80 with
At anchor template 70, boss portion 71 is in same plane, and now respectively coordinate at boss portion 71 is convex
Mould synchronizes to start to perform the drawing action of material strip A corresponding position.In whole punching course, material strip
A is on floating cavity die plate 80 all the time, and always straightened condition, simultaneously will not be in follow-up drawing
Operation produces, because of the most involutory of stripper and anchor template, the situation of bouncing, thus also just guarantor
Having demonstrate,proved material strip A stability in motor process and grazing, the most each follow-up drawing sequence can be same
Step guarantee is normally carried out, and is extremely suitable in the high speed stamping environment of current progressive die.
Claims (7)
1. a floating type strip drawing progressive die, including upper bolster, die shoe and order about two
Produce between die holder vertical to close and lead away from action；Upper bolster includes arranged stacked
Cope match-plate pattern (10), upper die plate (20) and punch retainer (30), each stepping operation is comprised
Punch to be both secured to punch retainer (30) upper and downwardly extended by this fixed plate vertical；This
Mould also includes the stripper (40) for compressing material strip, and stripper (40) plate face is horizontally disposed,
And the perforation that the upper layout of stripper (40) is walked for above-mentioned punch；Stripper (40) and upper bolster
Between so that stripper (40) relatively upper bolster can be made to make vertical to making upper to elastic floating action of vertical
Mould elastic parts connects each other；Die shoe includes the lower bolster (50) of arranged stacked, lower mold backing plate
And anchor template (70) (60), it is characterised in that: described anchor template (70)
Surface be additionally provided with floating cavity die plate (80), floating cavity die plate (80) and anchor template
(70) vertical is made to elasticity so that floating cavity die plate (80) can be made to be relatively fixed concave template (70) between
The lower mold elastic parts of floating action connects each other；The upper vertical of floating cavity die plate (80) to offer
Have resigning hole (81), the upper vertical of anchor template (70) to along this resigning hole (81) to
On be extended with boss portion (71), floating cavity die plate is sequentially arranged along material strip machine direction on (80)
Incision hole (a) and first Drawing Hole (b), second Drawing Hole (c) of mould is to last
Road Drawing Hole may be contained within the upper surface of boss portion (71), and the material demoulding hole (d) of mould is positioned at
Floating cavity die plate (80) is upper and location arrangements is located after last one drawing sequence of mould；Under
The elastic force of mould elastic parts is not less than the elastic force of upper mold elastic parts, the stamping-out of lance punch (a1)
Power and first drawing punch (b1) drawing pressure sum；When mould is die opening state, floating cavity die
The upper level difference of the die face of plate (80) and boss portion (71) is not less than the forming height of product；
When mould is matched moulds state, the die face of floating cavity die plate (80) and the upper surface of boss portion (71)
It is positioned at same horizontal plane.
One the most according to claim 1 floating type strip drawing progressive die, its feature exists
In: upper mold elastic parts includes that upper mold stage clip (91), the top end face of upper mold stage clip (91) are fixed
In cope match-plate pattern (10), lead power pin (92) and be coaxially fixed at upper mold stage clip (91) bottom face,
Lead power pin (92) and run through upper die plate (20) with punch retainer (30) to be connected stripper (40)；
Lower mold elastic parts includes lower mold stage clip (101) and is positioned at lower mold stage clip (101) top end face
And the floating pin (102) fixing with lower mold stage clip (101), the bottom face of lower mold stage clip (101)
Be fixed on lower bolster (50), float pin (102) top vertical to run through lower mold backing plate
(60) and anchor template (70) and and floating cavity die plate (80) between constitute secure fit.
One the most according to claim 2 floating type strip drawing progressive die, its feature exists
In: described in lead power pin (92) with float pin (102) profile all in screw-like, lead power pin (92)
With the nut portion of the pin (102) that floats respectively with upper surface and the lower mold of upper die plate (20)
The spacing cooperation of unidirectional seam is constituted between the lower surface of backing plate (60).
4., according to the floating type strip drawing progressive die of the one described in Claims 2 or 3, it is special
Levy and be: stripper (40) includes discharging mainboard and the discharging backing plate being laminated on discharging mainboard,
The power of leading pin (92) of upper mold elastic parts is fixed on discharging backing plate；Floating cavity die plate (80) wraps
Include floating mainboard and be laminated in the floating plate under floating mainboard, the floating pin of lower mold elastic parts
(102) top end face is fixed at floating plate.
5. according to the one floating type strip drawing progressive die described in claim 1 or 2 or 3,
It is characterized in that: downwardly extended matched moulds guide pillar (110) by upper die plate (20) vertical, with
The mating holes vertical that matched moulds guide pillar (110) coordinates run through punch retainer (30), stripper (40),
Floating cavity die plate (80), anchor template (70), lower mold backing plate (60) and lower bolster (50)；
Stripper (40), floating cavity die plate (80) and anchor template (70) are respectively provided with for
The axle sleeve coordinated with composition shiny surface between matched moulds guide pillar (110).
6. according to the one floating type strip drawing progressive die described in claim 1 or 2 or 3,
It is characterized in that: on anchor template (70), lower mold backing plate (60) and lower bolster (50)
Coaxially run through layout through hole (120), this through hole aperture more than material demoulding hole (d) aperture and that
This is coaxial.
7. according to the one floating type strip drawing progressive die described in claim 1 or 2 or 3,
It is characterized in that: be provided on die shoe coordinating with the correcting hole on material strip (A) with positioning material
Elastic correcting nail (130) of band (A), elastic correcting nail (130) is along material strip (A) traveling side
To uniformly at intervals and at the paired material strip that is placed in (A) both sides, the bullet of elastic correcting nail (130)
Force direction vertical is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422968.2A CN105945140B (en) | 2016-06-14 | 2016-06-14 | A kind of floating type strip drawing progressive die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422968.2A CN105945140B (en) | 2016-06-14 | 2016-06-14 | A kind of floating type strip drawing progressive die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105945140A true CN105945140A (en) | 2016-09-21 |
| CN105945140B CN105945140B (en) | 2017-08-25 |
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ID=56905594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610422968.2A Active CN105945140B (en) | 2016-06-14 | 2016-06-14 | A kind of floating type strip drawing progressive die |
Country Status (1)
| Country | Link |
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| CN (1) | CN105945140B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454162A (en) * | 2018-12-29 | 2019-03-12 | 四川川锅锅炉有限责任公司 | Self-lock pressing plate progressive press tool |
| US20220349640A1 (en) * | 2018-11-16 | 2022-11-03 | Lg Electronics Inc. | Ice maker for refrigerator |
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| US20080216550A1 (en) * | 2004-07-13 | 2008-09-11 | National Machinery Llc | Forged roller |
| CN202291067U (en) * | 2011-11-03 | 2012-07-04 | 阳江市亿利模具有限公司 | Continuous drawing die structure for energy-saving lamp caps |
| CN202555693U (en) * | 2012-04-20 | 2012-11-28 | 宁波长华汽车装饰件有限公司 | Progressive die for processing automobile nut plate |
| CN204338702U (en) * | 2014-12-18 | 2015-05-20 | 深圳市宏讯实业有限公司 | A kind of drawing progressive die |
| 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 |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080216550A1 (en) * | 2004-07-13 | 2008-09-11 | National Machinery Llc | Forged roller |
| CN202291067U (en) * | 2011-11-03 | 2012-07-04 | 阳江市亿利模具有限公司 | Continuous drawing die structure for energy-saving lamp caps |
| CN202555693U (en) * | 2012-04-20 | 2012-11-28 | 宁波长华汽车装饰件有限公司 | Progressive die for processing automobile nut plate |
| CN204338702U (en) * | 2014-12-18 | 2015-05-20 | 深圳市宏讯实业有限公司 | A kind of drawing progressive die |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 林涵: "铜壳多工位级进模设计", 《福建工程学院学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220349640A1 (en) * | 2018-11-16 | 2022-11-03 | Lg Electronics Inc. | Ice maker for refrigerator |
| US11874042B2 (en) * | 2018-11-16 | 2024-01-16 | Lg Electronics Inc. | Ice maker for refrigerator |
| CN109454162A (en) * | 2018-12-29 | 2019-03-12 | 四川川锅锅炉有限责任公司 | Self-lock pressing plate progressive press tool |
| CN109454162B (en) * | 2018-12-29 | 2024-04-16 | 四川川锅锅炉有限责任公司 | Self-locking pressure plate continuous stamping die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105945140B (en) | 2017-08-25 |
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Address after: The two economic and Technological Development Zone in Anhui province Tongling City Road 244000 No. 1258 Applicant after: Anhui Polytron Technologies Inc Address before: The two economic and Technological Development Zone in Anhui province Tongling City Road 244000 No. 1258 Applicant before: Tongling City Jingsai Electronic Co., Ltd. |
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