CN103182451B - Continuous drawing progressive die for manufacturing thin-wall wide-flange cylindrical part - Google Patents
Continuous drawing progressive die for manufacturing thin-wall wide-flange cylindrical part Download PDFInfo
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- CN103182451B CN103182451B CN201110460922.7A CN201110460922A CN103182451B CN 103182451 B CN103182451 B CN 103182451B CN 201110460922 A CN201110460922 A CN 201110460922A CN 103182451 B CN103182451 B CN 103182451B
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Abstract
The invention discloses a continuous drawing progressive die for manufacturing a thin-wall wide-flange cylindrical part. According to the continuous drawing progressive die for manufacturing the thin-wall wide-flange cylindrical part, an unloading ring corresponding to a secondary drawing concave die is provided with a positioning part; and the positioning part can wholly stretch into the cylindrical part which is subjected to primary drawing. As the unloading part of the unloading ring can firstly enter the cylindrical part to play roles of buffering and positioning, the cylindrical part is prevented from being damaged as the cylindrical part is directly pressed by the end surface of the unloading ring, the secondary drawing and the primary drawing are concentric, the yield of workpieces is increased, and the stability and the product quality of the progressive dies are further ensured.
Description
Technical field
The present invention relates to progressive die technical field, more particularly, it relates to a kind of manufacture thin wall and wide flange truckfest component band
Expect continuously elongated progressive die.
Background technology
Thin wall and wide flange truckfest component is as shown in figure 1, having the following characteristics that thin-walled (material is the strip of 0.3 millimeters thick), wide
Flange, and the surface requirements of wide flange are smooth, are unable to one-off drawing molding simultaneously, typically process the said goods using progressive die.
Existing progressive die generally adopts structure as shown in Figure 2, including first time stretching convex die 001, stretches for second
Punch 005, leveling station punch 009, punch retainer 014, upper die plate 013, top mold frame 012, for the first time stretching die
003rd, second stretching die 007, leveling station die 011, die block 017, lower mold backing plate 018, elastic material circle
002nd, discharging ring 006, leveling holding pad 010, pressing plate 015, lower mold holder 019, lower push rod 004 and lower push rod 008.Wherein,
One-off drawing punch 001, second stretching convex die 005 and leveling station punch 009, first time stretching convex die 001, draw for the second time
Stretch punch 005 and leveling station punch 009 three be each attached on punch retainer 014, and be connected with upper die plate 013,
Elastic material circle 002 is slidably disposed in pressing plate 015, and discharging ring 006 and leveling holding pad 010 are then fixed on pressing plate
In insert 016, first time stretching convex die 001, second stretching convex die 005, leveling station punch 009, holding pad 002, discharging
Circle 006, upper die plate 013, punch retainer 014 and pressing plate 015 are all assembled into an entirety and in work with top mold frame 012
During move up and down together;Respectively with first time stretching convex die 001, second stretching convex die 005 and leveling station punch
First time stretching die 003, second stretching die 007 and leveling station die 011 that 009 matches, and three is all fixing
In die block 017, and it is connected with lower mold backing plate 018, for the first time stretching die 003, second stretching die 007, whole
Flat station die 011, die block 017 and lower mold backing plate 018 are all assembled into an entirety with lower mold holder 019;Wherein, lower top
Bar 004 is arranged on and stretches in die 003 for the first time, and lower push rod 008 is arranged in the second stretching die 008.
Above-mentioned progressive die, in punched thin-wall wide flange drawing workpiece, first band is placed on die block 017, and with
Stretching die 003 and the first stretching convex die 001 are corresponding, by controlling the first stretching convex die 001 punching press on band for the first time
Dynamics forms blank workpiece, is then ejected by lower push rod 004;Then by blank workpiece in second stretching convex die 005 and second
Secondary stretching die 007 carries out two times punch on corresponding position, controls two times punch according to flange cylindrical member final size
Number of times;Last sizing with leveling station die 011 in leveling station punch 009 forms workpiece.Above-mentioned blank workpiece is carrying out two
During secondary punching press, because stretching convex die 005 end face is than the port retraction 0.5mm~1.0mm of discharging ring 006, discharging when upper mould is descending
Circle 006 first contacts blank workpiece, discharging ring 006 and stretching die 007 collective effect extrusion blank workpiece when being further continued for descending, by
In spiral base workpiece for thin-wall part it is easy to crush injury, stretching is led to cannot be carried out.
Therefore, how to design and a kind of can realize multi-drawing for the said goods and structure is simple and stable and reliable in work
Continuously elongated progressive die, be the current problem demanding prompt solution of those skilled in the art.
Content of the invention
In view of this, the invention provides a kind of continuously elongated progressive die of thin-walled width concave edge cylindrical member, to provide one kind
It is easy to the progressive die that discharging can improve stability and product quality again further.
In order to achieve the above object, the following technical scheme of present invention offer:
A kind of manufacture continuously elongated progressive die of thin wall and wide flange truckfest component, including first time stretching convex die, draws for the second time
Stretch punch, leveling station punch, punch retainer, upper die plate, top mold frame, for the first time stretching die, second stretching die,
Pressing plate insert, leveling station die, die block, lower mold backing plate, elastic material circle, discharging ring, leveling holding pad, suppress
Plate, lower mold holder, the first lower push rod and the second lower push rod;Wherein,
Described first time stretching convex die, second stretching convex die and leveling station punch are sequentially fixed at punch retainer
On, and be connected with upper die plate;Described elastic material circle is slidably disposed in described pressing plate, described discharging ring and institute
State leveling holding pad to be then fixed in described pressing plate insert;Described first time stretching convex die, second stretching convex die and leveling
Station punch, leveling holding pad, discharging ring, upper die plate, punch retainer and pressing plate and top mold frame are assembled into an entirety
And move up and down together in the course of the work;
For the first time stretching die, second stretching die and leveling station die respectively with described first time stretching convex die,
Second stretching convex die is fixed in described die block with what leveling station punch matched, and is connected with die-cushion plate;Institute
State stretching die, for the second time stretching die, leveling station die, die block and lower mold backing plate and lower mold holder assembling for the first time
Become an entirety, the described discharging ring end face corresponding with described second stretching die is provided with location division, described positioning
In whole cylindrical member that can extend into after stretching to first time in portion.
Preferably, in above-mentioned manufacture thin wall and wide flange truckfest component with, in continuously elongated progressive die, described first time stretching is convex
The end face of mould is than the port retraction 0.5mm~1.0mm of elastic material circle;The end face of described second stretching convex die is than discharging ring
Port retraction 0.5mm~1.0mm;Described leveling station punch end face than leveling holding pad port retraction 0.5mm~
1.0mm.
Preferably, in above-mentioned manufacture thin wall and wide flange truckfest component with continuously elongated progressive die, described leveling station punch
Working end diameter 0.01mm less than the working end diameter of described second stretching convex die.
Preferably, in above-mentioned manufacture thin wall and wide flange truckfest component with continuously elongated progressive die, described leveling station die
Work aperture than second big 0.01 millimeter of work aperture stretching die.
Preferably, in above-mentioned manufacture thin wall and wide flange truckfest component with continuously elongated progressive die, described leveling station die
End face and described leveling holding pad end face are plane or the conical surface.
The manufacture thin wall and wide flange truckfest component that the present invention provides is with, in continuously elongated progressive die, second stretching die corresponds to
Discharging ring there is location division, this location division all can extend into described first time stretching after cylindrical member in.
Above-mentioned progressive die, in punched thin-wall wide flange drawing workpiece, first band is placed on die block, and with
One-off drawing die and the first stretching convex die are corresponding, form blank by controlling the first stretching convex die punching press dynamics on band
Workpiece, is then ejected by lower push rod;Then blank workpiece is corresponding with second stretching die in second stretching convex die
Two times punch is carried out on position, controls the number of times of two times punch according to flange cylindrical member final size;Last convex in leveling station
Mould and leveling station die sizing form workpiece., when carrying out two times punch, pressing plate is descending for above-mentioned blank workpiece, is arranged on and unloads
Location division in feed ring is introduced into cylindrical part;Pressing plate continues traveling downwardly, and in the presence of second stretching convex die, strip enters
Second stretching die simultaneously completes second stretching;Pressing plate is up, and under discharge effect, second stretching convex die is first from circle
Come off in cylindrical member;Pressing plate continuation is up, and under the plate face effect of pressing plate, discharging ring is separated with cylindrical part.Cope match-plate pattern
When descending, because the discharge of discharging ring initially enters in cylindrical part, play buffering and the effect of positioning, effectively prevent
Cylindrical part is damaged due to the end face of discharging ring direct extrusion cylinder shape part, and guarantees that second stretching is same with stretching for the first time
The heart, thus improve the yield rate of workpiece, further ensures stability and the product quality of progressive die.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of thin wall and wide flange truckfest component;
Fig. 2 is the thin wall and wide flange truckfest component structural representation of continuously elongated progressive die providing in prior art;
Fig. 3 is the structural representation with continuously elongated progressive die for the thin wall and wide flange truckfest component provided in an embodiment of the present invention;
Fig. 4 is the second stretching station discharging ring structural representation.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, it is all that those of ordinary skill in the art are obtained on the premise of not making creative work
Other embodiment, broadly falls into the scope of protection of the invention.
The invention provides a kind of manufacture thin wall and wide flange truckfest component with continuously elongated progressive die it is ensured that thin-walled width flange
What cylindrical member continuous several times stretched is smoothed out, and it is concentric with what first time stretched in second stretching to improve cylindrical member
Degree, and then improve the crudy of cylindrical member.
Refer to accompanying drawing 3, this figure is the manufacture continuously elongated level of thin wall and wide flange truckfest component provided in an embodiment of the present invention
The structural representation of progressive die.
Thin wall and wide flange truckfest component provided in an embodiment of the present invention includes first time stretching convex die with continuously elongated progressive die
1st, second stretching convex die 5, leveling station punch 9, punch retainer 14, upper die plate 13, top mold frame 12, stretch for the first time recessed
Mould 3, second stretching die 7, elastic material circle 2, pressing plate insert 16, leveling station die 11, die block 17, lower mould
Backing plate 18, elastic material circle 2, discharging ring 6, leveling holding pad 10, pressing plate 15, lower mold holder 19, lower push rod 4 and lower push rod 8;Its
In,
First time stretching convex die 1, second stretching convex die 5 and leveling station punch 9 are sequentially fixed at punch retainer 14
On, and be connected with upper die plate 13;Elastic material circle 2 is slidably disposed in pressing plate 15, discharging ring 6 and leveling binder
Circle 10 is then fixed in pressing plate insert 16;First time stretching convex die 1, second stretching convex die 5 and leveling station punch 9, whole
Concora crush feed ring 10, discharging ring 6, upper die plate 13, punch retainer 14 and pressing plate 15 are assembled into an entirety with top mold frame 12
And move up and down together in the course of the work;
For the first time stretching die 3, second stretching die 7 and leveling station die 11 respectively with first time stretching convex die 1,
What second stretching convex die 5 and leveling station punch 9 matched is fixed in die block 17, and with lower mold backing plate 18 phase
Even;For the first time stretching die 3, second stretching die 7, leveling station die 11, die block and lower mold backing plate 18 with
Mould bases 19 is assembled into an entirety, and discharging ring 6 is stretched with second and is provided with location division on the corresponding end face of die 7, positioning
In whole cylindrical member that can extend into the stretching of described first time in portion.
Part of the upper die and part of the lower die are classified into according to above-mentioned each part present position difference, wherein:
Part of the upper die: it is disposed with first time stretching convex die 1, second stretching convex die 5 and flatten station punch 9, three
Person is fixed on punch retainer 14, and is connected with upper die plate 13;Be provided with respectively with described first time stretching convex die
1st, second stretching convex die 5 relative can slidably be arranged with elastic material circle 2, discharging ring 6 and leveling pressure with leveling station punch 9
Feed ring 10, elastic material circle 2 is simultaneously slidably disposed in pressing plate 15, and discharging ring 6 and leveling holding pad 10 are then fixed on bullet
In pressing plate insert 16, pressing plate 15 and upper mould are elastic connection.
Part of the lower die: be provided with convex with described first time stretching convex die 1, second stretching convex die 5 and leveling station respectively
First time stretching die 3, second stretching die 7 and leveling station die 11 that mould 9 matches, and three is fixed on die
In fixed plate 17, and lower mold backing plate 18 is set.Described die, die block, lower mold backing plate are all assembled into one with lower mold holder 19
Individual entirety.
Manufacture thin wall and wide flange truckfest component provided in an embodiment of the present invention is with, in continuously elongated progressive die, strip is placed on
Between mould part and part of the lower die, idiographic flow and principle are as follows:
Stretching for the first time this station is first flat board to be stretched, mainly by stretching convex die 1, suppress circle 2, stretching die
3rd, lower push rod 4 forms.Operation principle is: when part of the upper die is descending, suppresses circle 2 and first contacts strip, and suppress circle bullet in this station
Strip is compressed, part of the upper die continues traveling downwardly, stretching convex die 1 effect strip enters stretching die 3 and completes for the first time in the presence of spring
Stretching, plate blank is washed into flanged cylindrical part;
Second draw reduction drum diameter, increase cylinder heights are to product requirement size.This station is mainly convex by stretching
Mould 5, the discharging ring 6 being fixed in pressing plate insert 16, stretching die 7, lower push rod 8 form.Discharging ring 6 end setting location division
Point, see Fig. 4, diameter d 0.03mm~0.05mm less than first time stretching convex die 1 working end diameter, height h are slightly larger than and draw for the first time
Stretch rear blanking inner hole high.When part of the upper die is descending, the position portion of discharging ring 6 end is introduced into blank, plays positioning, binder is made
With it is ensured that this stretching and last time stretching are concentric, will not squeeze and hinder blank, upper mould continues traveling downwardly, stretching convex die 5 acts on hair simultaneously
Base enters stretching die 7 and completes second stretching, and when upper mould is up, discharging ring 6 plays discharging effect again;
Leveling does not have leveling function because of second stretching, so 3rd station is exactly the flange portion to cylindrical part carrying out
Leveling.This station is mainly made up of leveling station punch 9, leveling holding pad 10, leveling station die 11.This station key point
It is: the working end diameter 0.01mm less than the working end diameter of second stretching convex die 5 of leveling station punch 9;Leveling station is recessed
The work aperture of mould 11 0.01mm bigger than the work aperture of second stretching die 7.Its operation principle is: part of the upper die is descending
When, leveling holding pad 10 first contacts blank, and blank cylinder part is pushed leveling station die 11 die cavity, under upper mould continues
OK, leveling station punch 9 enters blank inner chamber, and now blank is flattening holding pad in the protection lower flange of leveling station punch 9
It is driven plain under 10 end faces and leveling station die 11 end face collective effect.
The manufacture thin wall and wide flange truckfest component providing in the present embodiment is with, in continuously elongated progressive die, stretching work at second
The working end setting position portion of the discharging ring 6 of position is so that after strip carried out first time stretching, second stretching convex die 5 is entered
Before row stretching, discharging ring position portion is introduced in the cylindrical member through the first stretching formation and carries out school to the position of cylindrical member
Just, thus realizing the positioning of the second stretching convex die 5 and cylindrical member, thus ensureing that second stretching is concentric with first time stretching, greatly
Improve greatly stability and the reliability of stretching, and improve the quality of product.
The manufacture thin wall and wide flange truckfest component providing in the present embodiment with continuously elongated progressive die, the diameter of position portion
D 0.03mm~0.05mm less than first time stretching convex die 1 working end diameter, height h are slightly larger than blanking inner hole after stretching for the first time
High.First contacted with blank with holding pad when guaranteeing that upper mould is descending or discharging ring, be conducive to binder or positioning;Up to guarantee upper mould
When easy-unloading.
Interaction due to leveling station punch 9 and leveling station die 11 and leveling holding pad 10 achieves to tubular
The wide flange of part is flattened, and during this, leveling station punch 9 diameter is less than the diameter of second stretching convex die 5, flattens work
Position die 11 aperture is more than the aperture stretching die 7 second, and the convenient cylindrical member to leveling carries out quickly discharging material.
In order to optimize technique scheme further, being provided with above-mentioned first stretching die 3 can be with respect to the first stretching
The knock-pin 4 that die 3 slides relatively, is provided with second stretching die 7 and relatively can slide with respect to second stretching die 7
Knock-pin 8, the setting of above-mentioned knock-pin makes, and cylindrical member is being carried out after stretching finishes, to eject cylindrical member in time
In above-mentioned stretching die, it is more convenient for the discharging to cylindrical member.
Certainly, simply describe in above-described embodiment and there is stretching twice and the continuous progressive die of operation once flattening, real
Border can also carry out multistage stretching in producing it is preferred that centre can need to arrange multi-drawing, the same present invention of structure according to technique
Second stretching station structure.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (5)
1. a kind of manufacture continuously elongated progressive die of thin wall and wide flange truckfest component, including first time stretching convex die (1), draws for the second time
Stretch punch (5), leveling station punch (9), punch retainer (14), upper die plate (13), top mold frame (12), stretch for the first time recessed
Mould (3), second stretching die (7), pressing plate insert (16), leveling station die (11), die block (17), lower die-cushion
Plate (18), elastic material circle (2), discharging ring (6), leveling holding pad (10), pressing plate (15), lower mold holder (19), first time top
Bar (4) and the second lower push rod (8);Wherein,
It is solid that described first time stretching convex die (1), second stretching convex die (5) and leveling station punch (9) are sequentially fixed at punch
In fixed board (14), and it is connected with upper die plate (13);Described elastic material circle (2) is slidably disposed on described pressing plate
(15), in, described discharging ring (6) and described leveling holding pad (10) are then fixed in described pressing plate insert (16);Described first
Secondary stretching convex die (1), second stretching convex die (5) and leveling station punch (9), leveling holding pad (10), discharging ring (6), on
Die-cushion plate (13), punch retainer (14) and pressing plate (15) and top mold frame (12) are assembled into an entirety in the course of the work
Move up and down together;
Stretching die (3) for the first time, second stretching die (7) and leveling station die (11) are stretched with described first time respectively
What punch (1), second stretching convex die (5) and leveling station punch (9) matched is fixed in described die block (17),
And be connected with lower mold backing plate (18);Described first time stretching die (3), second stretching die (7), leveling station die
(11), die block (17) and lower mold backing plate (18) are assembled into an entirety with lower mold holder (19),
It is characterized in that, described discharging ring (6) end face corresponding with described second stretching die (7) is provided with positioning
Portion, in whole cylindrical member that can extend into after stretching to first time of described location division.
2. manufacture thin wall and wide flange truckfest component according to claim 1 with continuously elongated progressive die it is characterised in that described
The end face of first time stretching convex die (1) is than the port retraction 0.5mm~1.0mm of elastic material circle (2);Described stretch for the second time convex
The end face of mould (5) is than the port retraction 0.5mm~1.0mm of discharging ring (6);The end face of described leveling station punch (9) is than leveling
The port retraction 0.5mm~1.0mm of holding pad (10).
3. manufacture thin wall and wide flange truckfest component according to claim 1 with continuously elongated progressive die it is characterised in that described
The working end diameter 0.01mm less than the working end diameter of described second stretching convex die (5) of leveling station punch (9).
4. manufacture thin wall and wide flange truckfest component according to claim 1 with continuously elongated progressive die it is characterised in that described
The work aperture of leveling station die (11) 0.01mm bigger than the work aperture of second stretching die (7).
5. manufacture thin wall and wide flange truckfest component according to claim 1 with continuously elongated progressive die it is characterised in that described
Leveling station die (11) end face and leveling holding pad (10) end face are plane or the conical surface.
Priority Applications (1)
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CN201110460922.7A CN103182451B (en) | 2011-12-31 | 2011-12-31 | Continuous drawing progressive die for manufacturing thin-wall wide-flange cylindrical part |
Applications Claiming Priority (1)
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CN201110460922.7A CN103182451B (en) | 2011-12-31 | 2011-12-31 | Continuous drawing progressive die for manufacturing thin-wall wide-flange cylindrical part |
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CN103182451B true CN103182451B (en) | 2017-01-18 |
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CN110523844B (en) * | 2019-09-05 | 2020-09-01 | 成都宏明双新科技股份有限公司 | Progressive die stamping method for tubular thin-wall part |
CN113751586B (en) * | 2021-09-26 | 2024-04-23 | 广东恒力精密工业有限公司 | Automatic production line for one-step forming of double-bead spring plate |
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GB223430A (en) * | 1923-12-01 | 1924-10-23 | Thomas Andrew Hayward | Improvements in or relating to multiple drawing presses |
JP3764252B2 (en) * | 1996-07-15 | 2006-04-05 | シークァ・キャン・マシナリー・インコーポレーテッド | Cup molding method and tool device used for double-acting mechanical press |
DE102006036048A1 (en) * | 2006-08-02 | 2008-02-07 | Reitter, Gerd | Mold-part deep-drawing method for progression tool, involves attaching sheet metal to inner horizontal drawing punch and outer horizontal drawing case, where rest flange of hollow body runs through deformed zone of draw ring |
CN101722229B (en) * | 2008-10-16 | 2011-09-14 | 钱国钧 | Automatic feed multi-station progressive die |
CN201329391Y (en) * | 2008-12-31 | 2009-10-21 | 广州市华冠精冲零件有限公司 | Narrow slot rotary body accessory stamping secondary deep-drawing die |
CN201632531U (en) * | 2010-01-28 | 2010-11-17 | 上海炎坤模具有限公司 | Deep drawing device for rectangle light-weight material with flange |
CN202411229U (en) * | 2011-12-31 | 2012-09-05 | 宁波光华电池有限公司 | Continuous drawing progressive die used for manufacturing thin-wall wide-flange cylindrical workpieces |
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Denomination of invention: Continuous drawing progressive die for manufacturing thin-wall wide-flange cylindrical part Effective date of registration: 20171215 Granted publication date: 20170118 Pledgee: Bank of China Limited by Share Ltd Ningbo Yinzhou branch Pledgor: Ningbo Guanghua Battery Co., Ltd. Registration number: 2017330000303 |