CN105188981B - The impact forming method of cup part - Google Patents
The impact forming method of cup part Download PDFInfo
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- CN105188981B CN105188981B CN201480025408.2A CN201480025408A CN105188981B CN 105188981 B CN105188981 B CN 105188981B CN 201480025408 A CN201480025408 A CN 201480025408A CN 105188981 B CN105188981 B CN 105188981B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
Abstract
The present invention provides the impact forming method of a kind of cup part, have: the first operation, by making on instrument on first (2) and second instrument (3) towards the direction relative movement close to first time instrument (5), thus by tooling hole portion (5a), bending raw material (1) under raw material (1) first time instrument (5) of press-in;Second operation, make on the 3rd instrument (4) towards the direction relative movement close to first time instrument (5), the cylinder end (1d) of press-in raw material (1), thus make a part for raw material (1) to the gap flowing formed between upper tool tilt portion (3a) and hole portion rake (5c), make this part thicken;And the 3rd operation, use the second mould, be the shape extended along the direction that the central shaft (L1) with cup part is substantially orthogonal by the part punch forming thickened in above-mentioned second operation.
Description
Technical field
The present invention relates to the impact forming method of a kind of cup part.
Background technology
Cup part is to have bottom and the parts of the shape of longitudinal wall part erected continuously from bottom, in container and rotation
The purposes of rotation member etc. is widely used as mechanical part.About bottom and the wall thickness of longitudinal wall part of this cup part,
Difference according to the purposes used rather than constant, makes wall thickness change partly for specific position sometimes.About making
The method of the wall thickness change of longitudinal wall part, such as, propose there is the relatively multi-method disclosed in patent documentation 1~8, non-patent literature 1.
On the other hand, about the method making the wall thickness of bottom change partly, such as, have from plate disclosed in patent documentation 9
The raw material molding of shape has a forming method of the cup part of the bottom that there is Wall-Thickness Difference, but with the above-mentioned longitudinal wall part that makes
It is less that the method for wall thickness change compares disclosed example.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Laid-Open Patent Publication 61-140327 publication
Patent documentation 2: Japanese Unexamined Patent Publication 07-155888 publication
Patent documentation 3: Japanese Unexamined Patent Publication 07-256377 publication
Patent documentation 4: Japanese Unexamined Patent Publication 2000-24745 publication
Patent documentation 5: Japanese Unexamined Patent Publication 2000-288642 publication
Patent documentation 6: Japanese Unexamined Patent Publication 2000-317565 publication
Patent documentation 7: Japanese Unexamined Patent Publication 2001-47175 publication
Patent documentation 8: Japanese Unexamined Patent Publication 2009-248092 publication
Patent documentation 9: Japanese Unexamined Patent Publication 2010-172916 publication
Non-patent literature
Non-patent literature 1: " automatic vehicle technology ", civic organization's automatic vehicle technology meeting, 1996, Vol.50, No.12,
p.31-37
Summary of the invention
The problem that invention is to be solved
Patent document 9 discloses that a kind of forming method, use combination die to have from the raw material molding of tabular and there is wall thickness
The cup part of the bottom of difference.But, this forming method has 5 operations, it is therefore desirable to substantial amounts of mould, and mould can be caused to become
This increase and the reduction changing the productivity ratio that operation is accompanied of a large amount of mould.
For solving the means of problem
The impact forming method of the cup part of the present invention is, when flat raw material is shaped to cup part,
The bottom thickness making above-mentioned cup part locally increases, it is characterised in that use the first mould to implement the first operation and second
Operation, above-mentioned first mould have central shaft be mutually arranged instrument on columned first on coaxial, tubular second on
Instrument, tubular the 3rd on instrument and first time instrument, on above-mentioned second, instrument is joined along the periphery of instrument on above-mentioned first
Put, front end face is by by along with being formed close to the upper tool tilt portion tilted in the way of above-mentioned central shaft, above-mentioned downward
On three, instrument is along the periphery configuration of instrument on above-mentioned second, above-mentioned first time instrument have allow instrument on above-mentioned first, on
Stating the hole portion that on second, on instrument and the above-mentioned 3rd, instrument enters, this hole portion includes: hole portion longitudinal wall part, along and into above-mentioned hole
On in portion the above-mentioned 3rd, instrument extends;Hole portion rake, is arranged with the bottom of above-mentioned hole portion longitudinal wall part, continuously with along with court
Tilt close to the mode of above-mentioned central shaft downwards;And hole portion bottom surface sections, continuous with the bottom of above-mentioned hole portion rake
Arrange, extend along the direction with above-mentioned orthogonality of center shaft;In above-mentioned first operation, by make on above-mentioned first instrument and
On above-mentioned second, instrument is towards the direction relative movement close to above-mentioned first time instrument, thus above-mentioned raw material is pressed into above-mentioned first
The above-mentioned hole portion of lower instrument, by above-mentioned raw material bending, in above-mentioned second operation, by making on the above-mentioned 3rd instrument towards close
The direction relative movement of above-mentioned first time instrument, and above-mentioned raw-material upper end is pressed into, thus make above-mentioned raw-material one
Part, to the gap flowing formed between above-mentioned upper tool tilt portion and above-mentioned hole portion rake, makes this part thicken, uses
The 3rd operation implemented by second mould different from above-mentioned first mould, in the 3rd operation, will thicken in above-mentioned second operation
Part punch forming be the shape extended along the direction that is substantially orthogonal relative to the central shaft of cup part.
The effect of invention
In accordance with the invention it is possible to simplify the impact forming method of the cup part with the bottom that there is Wall-Thickness Difference.
Accompanying drawing explanation
Fig. 1 is the synoptic diagram of the mould used in thick molding procedure.
Fig. 2 is the synoptic diagram of the mould used in precisive shaped operation.
Fig. 3 A is the action specification figure (holding state) of the mould used in thick molding procedure.
Fig. 3 B is the action specification figure (the cramping operation of the first operation) of the mould used in thick molding procedure.
Fig. 3 C is the action specification figure (bending process of the first operation) of the mould used in thick molding procedure.
Fig. 3 D is the action specification figure (the second operation) of the mould used in thick molding procedure.
Fig. 4 A is the action specification figure (holding state) of the mould used in precisive shaped operation.
Fig. 4 B is the action specification figure (the 3rd operation) of the mould used in precisive shaped operation.
Fig. 4 C is the action specification figure (the 3rd operation) of the mould used in precisive shaped operation.
Fig. 5 A is the synoptic diagram of the mould used in this second embodiment.
Fig. 5 B is the action specification figure (thickening operation) of the mould used in this second embodiment.
Fig. 6 A is the synoptic diagram (thickening process (n-1)th time) of the mould used in the third embodiment.
Fig. 6 B is the synoptic diagram (n-th thickens process) of the mould used in the third embodiment.
Fig. 7 is the action specification figure of the mould used in the thick molding procedure of the 5th embodiment.
Fig. 8 A is the action specification figure (before molding) of the mould that the example as comparative example uses.
Fig. 8 B is the action specification figure (after molding) of the mould that the example as comparative example uses.
Detailed description of the invention
First, comparative example is illustrated.Fig. 8 A and Fig. 8 B is the action specification figure of the mould of comparative example.Fig. 8 A represents
State before molding, Fig. 8 B represents the state after molding.As shown in Figure 8 A, the mould of comparative example have instrument 37 on first,
Instrument 39 and lower instrument 40 on instrument the 38, the 3rd on two.
As the cup part making the wall thickness (bottom thickness) of bottom change partly from flat raw material molding
Forming method, less operation and simple method are as described below.First, the top at lower instrument 40 arranges flat raw material
1.Then, as shown in Figure 8 B, instrument 39 on instrument 38 and the 3rd is made on first on instrument 37, second to decline, thus in lower work
Molding cup part in the hole portion 40a of tool 40.Now, it is pressed into longitudinal wall upper end by instrument 39 on the 3rd, thus enables that material
Material is towards the part flowing of the wall thickness change making bottom.So, material is made to be filled in instrument 38 and the hole portion of lower instrument 40 on second
The gap formed between 40a, and make the wall thickness of the bottom of regulation change partly.But, in this case, as shown in Figure 8 B,
Connecting portion P between longitudinal wall bottom and bottom is approximate right angle shape, and therefore material becomes big by resistance during this part.
That is, it is pressed into longitudinal wall rising wood by instrument 39 on the 3rd and makes required for material flows towards the part of the wall thickness change making bottom
Load becomes excessive, produce the load bearing capacity of punch forming device become limit and in practical cannot the situation of molding.
The present invention is for described problem, it is provided that a kind of forming method, it is possible to make punching press load reduction to not having in practical
The degree of problem, and the wall thickness of bottom can be made by the fewest operation to change partly from flat raw material molding
Cup part.
Referring to the drawings the embodiments of the present invention being used for solving above-mentioned problem are described in detail.
(the first embodiment)
The impact forming method of present embodiment includes thick molding procedure and precisive shaped operation.Thick molding procedure has skill
The first operation described in art scheme 1 and the second operation.Precisive shaped operation has the 3rd operation described in technical scheme 1.
Fig. 1 is the perspective cross-sectional slice of the mould for effectively implementing thick molding procedure.The mould that thick molding procedure is used
Tool (being equivalent to the first mould) includes on first on instrument 2, second instrument 4 and first time instrument 5 on instrument the 3, the 3rd.Instrument
The central shaft of 2~5 is mutually positioned on coaxial, and instrument 2~5 configures axisymmetrically relative to central axis L 1.First time instrument 5 has
Have relative to the axisymmetric demoulding of central axis L 1 (knock out) parts 6.
Additionally, instrument 2~5 and demolded parts 6 be, respectively with not shown drive mechanism (such as, motor, hydraulic pressure dress
Put) link, carry out action by each drive mechanism and along central axis L 1 directionally independent carry out lifting moving.Not shown control
The driving of each drive mechanism is controlled by device, thus to instrument 2~5 and the lifting action of demolded parts 6 be controlled.Control
Device processed can use CPU, MPU.Punch forming device is constituted by mould, drive mechanism and controller.
It addition, demolded parts 6 can also be irremovable fixed form.Additionally, also set in other instruments described later
It is equipped with the drive mechanism identical with the first mould.
On first, instrument 2 is formed as cylindric.On second, instrument 3 is formed as tubular, and inner circumferential surface is along instrument 2 on first
Periphery configuration.On second, the front end face (lower surface) of instrument 3 is by by along with inclining in the way of central axis L 1 downward
Oblique upper tool tilt portion 3a is formed.On 3rd, instrument 4 is formed as tubular, the periphery configuration of instrument 3 on second.
First time instrument 5 has the lower instrument allowing that on first, on instrument 2, second, on instrument 3 and the 3rd, instrument 4 enters
Hole portion 5a.Lower tooling hole portion 5a includes: hole portion longitudinal wall part 5b, along and into the periphery of instrument 4 on the 3rd of lower tooling hole portion 5a the
Face extends;Hole portion rake 5c, is arranged continuously with the bottom of hole portion longitudinal wall part 5b, with along with downward and close to central shaft
The mode of L1 tilts;And hole portion bottom surface sections 5d, arrange continuously with the bottom of hole portion rake 5c, along with central axis L 1 just
The direction handed over extends.Central axis L 1 around hole portion bottom surface sections 5d is formed with the bottom hole portion extended along central axis L 1 direction
5e.It is configured with demolded parts 6 in the inner side of bottom hole portion 5e.The front end face (upper surface) of demolded parts 6 be configured in relative to
Hole portion bottom surface sections 5d becomes the position of substantially flush.It addition, logical via portion bottom surface sections 5d and the front end face shape of demolded parts 6
Become " the hole portion bottom surface sections " described in technical scheme 1.It addition, demolded parts 6 can also be integrally formed with first time instrument 5.
Herein, as it is shown in figure 1, hole portion bottom surface sections 5d is being set to A1 with hole portion rake 5c angulation (acute side)
Time, angle A 1 is preferably set to more than 20 ° less than 60 °.The restriction reason of angle A 1 is by aftermentioned.Additionally, as it is shown in figure 1, upper work
Has rake 3a with horizontal plane angulation it is also preferred that become roughly the same with angle A 1.
Fig. 2 is the synoptic diagram of the mould for effectively implementing precisive shaped operation.The mould used in precisive shaped operation
(being equivalent to the second mould) include in the first polish in instrument the 7, second polish in instrument the 8, the 3rd polish instrument 9 and
Instrument 10 under first polish.The central shaft of instrument 7~10 is mutually positioned on coaxial, and this instrument 7~10 is relative to central axis L 2
Configure axisymmetrically.Under first polish, instrument 10 has relative to the axisymmetric demolded parts of central axis L 2 11.
In first polish, instrument 7 is formed as cylindric.In second polish, instrument 8 is formed as tubular, inner circumferential surface edge
The periphery configuration of instrument 7 in the first polish.In second polish, the front end face of instrument 8 is by along relative to central axis L 2 just
The par 8a that the direction handed over extends is formed.In 3rd polish, instrument 9 is formed as tubular, instrument 8 in the second polish
Periphery configuration.
In second polish, instrument 8 is to eliminate the shape of the upper tool tilt portion 3a of instrument 3 on above-mentioned second.
Under first polish, instrument 10 has and allows in the first polish instrument 8 and the 3rd in instrument the 7, second polish
The hole portion 10a that in polish, instrument 9 enters.Hole portion 10a includes: hole portion longitudinal wall part 10b, along and into the 3rd essence of hole portion 10a
In processing, the outer peripheral face of instrument 9 extends;And hole portion bottom surface sections 10d, arrange continuously with the bottom of hole portion longitudinal wall part 10b, edge
The direction being substantially orthogonal relative to central axis L 2 to extend.Central axis L 2 around hole portion bottom surface sections 10d is formed along center
The bottom hole portion 10e that axle L2 direction extends.Demolded parts 6 shape with first time instrument 5 it is configured with in the inner side of bottom hole portion 10e
Become demolded parts 11 in approximate same size.The front end face of demolded parts 11 is arranged in be become relative to hole portion bottom surface sections 10d
The position of substantially flush.Hole portion longitudinal wall part 10b of hole portion 10a is formed as with hole portion longitudinal wall part 5b of above-mentioned first time instrument 5
Roughly the same internal diameter.
Under first polish, instrument 10 is the shape of the hole portion rake 5c eliminating above-mentioned first time instrument 5.
Then, with reference to Fig. 3 A~Fig. 3 D, the thick molding procedure of present embodiment is illustrated.Fig. 3 A~Fig. 3 D is slightly
The action specification figure of the mould shown in Fig. 1 used in molding procedure.First, as shown in Figure 3A, by not shown mould
The drive mechanism of tool makes on first on instrument 2, second instrument 4 on instrument 3 and the 3rd rise to hinder and set by raw material 1
Put the height on the top of first time instrument 5.Then, the flat raw material 1 becoming circular plate shape is arranged to first time
The top of instrument 5.Now, the demolded parts 6 of second time instrument 5 is arranged to the hole portion bottom surface sections of front end face and first time instrument 5
5d becomes substantially flush.
Then, as shown in Figure 3 B, instrument 2 on first is made to decline in the direction of the arrow, while by raw material 1 bending downwards
Tooling hole portion 5a is pressed into, and the end central part 1a clamping raw material 1 on first between instrument 2 and first time instrument 5 (is equivalent to the
The cramping operation of one operation).Thus, raw material 1 is fixed with the state being positioned in lower tooling hole portion 5a.
Herein, to making the situation that on first, instrument 2 declines be illustrated, but it is not limited to this situation, as long as first
Upper instrument 2 and first time instrument 5 can be towards close direction relative movements.Such as, as variation, it is also possible to do not make
On one, instrument 2 declines and makes first time instrument 5 increase.In addition it is also possible to make first time while making on first instrument 2 decline
Instrument 5 rises.It addition, in the case of implementing these variation, on by first, instrument 2 clamps former with first time instrument 5
Before the end central part 1a of material 1, the position to mould is mutual is needed to be controlled, in order to avoid other parts at mould clamp
Between mould.
Can differentiate according to the shift position of instrument, punching press load (load value) etc. makes the operation shown in Fig. 3 B complete
Regularly.Such as, controller can also prestore the position that completes that on first, instrument 2 arrives Fig. 3 B from the position of readiness of Fig. 3 A and is
Shift motion amount only, makes instrument 2 on first stop when reaching stored shift motion amount.Additionally, controller can also
Prestore punching press load when completing position, mould applied arriving Fig. 3 B, make the when reaching stored punching press load
On one, instrument 2 stops.
Then, as shown in Figure 3 C, make instrument 3 from second that raw material 1 separates drop to upper instrument in the direction of the arrow to incline
Oblique gap between portion 3a and the hole portion rake 5c of first time instrument 5 becomes the position of the interval T of regulation.By making on second
Instrument 3 declines, thus with second on the shape correspondingly bending raw material 1 of upper tool tilt portion 3a of instrument 3, and punch forming
Shape for being made up of end central part 1a, outer edge, end 1b and raw material longitudinal wall part 1c (is equivalent to the bender of the first operation
Sequence).End central part 1a refers to the part extended in raw material 1 along the direction orthogonal relative to central axis L 1.Outer edge, end 1b
Refer to raw material 1 is positioned at the part in the region clamped by upper tool tilt portion 3a and hole portion rake 5c.Raw material longitudinal wall
Portion 1c refers to the part extended in raw material 1 along central axis L 1 direction.
Herein, it is stipulated that gap T need be set as making outer edge, end 1b increase in second operation of Fig. 3 D described later
Thick size.I.e., it is stipulated that gap T need the thickness of slab more than the raw material 1 before thickening.
The timing making the operation shown in Fig. 3 C complete can be differentiated according to the shift position of instrument, punching press load etc..Its
Concrete method is as it has been described above, therefore the description thereof will be omitted.
Afterwards, as shown in Figure 3 D, instrument 4 on the 3rd is made to decline in the direction of the arrow.It is pressed into raw material by instrument 4 on the 3rd
Ji Tong end, the upper end 1d of longitudinal wall part 1c, thus makes material incline with hole portion from raw material longitudinal wall part 1c upwards tool tilt portion 3a
Tiltedly flow between portion 5c, make the wall thickness of outer edge, end 1b increase (being equivalent to the second operation).Now, by instrument 3 on second
Hole portion longitudinal wall part 5c of outer peripheral face and first time instrument 5 is in (the side orthogonal relative to central axis L 1, thickness of slab direction of raw material 1
To) upper raw material longitudinal wall part 1c retraining raw material 1.
Herein, on second the outer peripheral face of instrument 3 refer to along the direction parallel with central axis L 1 formed second on instrument 3
End face.The inner peripheral surface of first time instrument 5 refers to the inner circumferential of the first time instrument 5 formed along the direction parallel with central axis L 1
Side end face.
Additionally, on second instrument 3 relative to first on instrument 2 lift independently.Thus, it is possible at random change second
The gap formed between the upper tool tilt portion 3a and the hole portion rake 5c of first time instrument 5 of upper instrument 3.By between change
Gap, it is possible to the easily wall thickness of outer edge, the end 1b of increase and decrease raw material 1.
It addition, in the case of hole portion bottom surface sections 5d and hole portion rake 5c angulation A1 are less than 10 °, make material from
Punching press load when raw material longitudinal wall part 1c of raw material 1 flows and makes the wall thickness of outer edge, end 1b increase can become big superfluously.
It is therefore preferable that as described above angle A 1 is set as more than 20 °.
Herein, to making the situation that on second, on instrument 3 and the 3rd, instrument 4 declines be illustrated, but it is not limited to
This situation, as long as on instrument 3 and the 3rd, instrument 4 and first time instrument 5 can relatively move on second.Such as, make
For variation, it is possible to so that instrument 2 and first time instrument 5 rise on first.In addition it is also possible to make on second instrument 3 with
And instrument 4 makes instrument 2 and first time instrument 5 on first rise while declining on the 3rd.
The timing making the operation shown in Fig. 3 D complete can be differentiated according to the shift position of instrument, punching press load etc..Its
Concrete method is as it has been described above, therefore the description thereof will be omitted.
Afterwards, make on first on instrument 2, second instrument 4 on instrument 3 and the 3rd increase, and make the de-of first time instrument 5
Mould parts 6 rise, and it is possible to take out the raw material 1 as intermediate member from lower tooling hole portion 5a.
Then, with reference to Fig. 4 A~Fig. 4 C, the precisive shaped operation of present embodiment is illustrated.Fig. 4 A~Fig. 4 C is in essence
The action specification figure of the mould shown in Fig. 2 used in molding procedure.
First, as shown in Figure 4 A, by the drive mechanism of not shown mould make instrument 7 in the first polish,
In two polish, in instrument 8 and the 3rd polish, instrument 9 rises to hinder the former material by by thick molding procedure molding
Material 1 arranges the height in the hole portion 10a of instrument 10 under the first polish.Then, raw material 1 is arranged under the first polish
In the hole portion 10a of instrument 10.Now, under the first polish, the demolded parts 11 of instrument 10 is arranged to front end face and the first polish
Hole portion bottom surface sections 10d of lower instrument 10 becomes substantially flush.
Then, as shown in Figure 4 B, instrument 7 in the first polish is made to decline in the direction of the arrow, instrument 7 in the first polish
And clamp the end central part 1a of raw material 1 under the first polish between instrument 10.Thus, raw material 1 is fixed on hole with being positioned
In portion 10a.
Herein, to making the situation that in the first polish, instrument 7 declines be illustrated, but it is not limited to this situation, only
Want in the first polish that under instrument 7 and the first polish, instrument 10 can be towards close direction relative movement.Such as, as
Variation, it is also possible to do not make instrument 7 in the first polish decline and make instrument 10 under the first polish increase.In addition it is also possible to
Instrument 10 under the first polish is made to increase while making in the first polish instrument 7 decline.
But, in the case of implementing these variation, work under by instrument in the first polish 7 and the first polish
Before the end central part 1a that tool 10 clamps raw material 1, the position to mould is mutual is needed to be controlled, in order to avoid at its of mould
He partly clamps between mould.
Then, as shown in Figure 4 C, instrument 8 from the second polish that raw material 1 separates is made to drop to par 8a and the
Under one polish, gap between instrument 10 becomes the position in the gap of regulation.Herein, it is stipulated that gap be preferably desired
The thickness of outer edge, the end 1b of raw material 1.Outer edge, end 1b is pressed at the bottom of the portion of hole by the par 8a of instrument 8 in the second polish
Face 10d.Thus, outer edge, end 1b extends along the direction being substantially orthogonal relative to the central axis L 2 of raw material 1, with end central authorities
Portion 1a is configured to the bottom of raw material 1 together.
Now, hole portion bottom surface sections 5d in thick molding procedure and hole portion rake 5c angulation A1 are more than 60 °
In the case of, in precisive shaped operation, make in the second polish in the case of instrument 8 decline, outer edge, end 1b can be in the second essence
Buckle between instrument 10 under instrument 8 and the first polish in processing.Therefore, angle A 1 is preferably set to less than 60 °.
Then, instrument 9 in the 3rd polish is made to decline.It is pressed into raw material longitudinal wall part 1c by instrument 9 in the 3rd polish
Ji Tong end, upper end 1d, it is possible to be finish-machined to raw material 1 shape of regulation.
Herein, to making the situation that in the second polish, on instrument 8 and the 3rd polish, instrument 9 declines successively be said
It is bright, but be not limited to this situation, it is possible to so that in instrument 8 and the 3rd polish, instrument 9 declines in the second polish simultaneously.
Afterwards, by making in the first polish in instrument the 7, second polish in instrument 8 and the 3rd polish on instrument 9
Rise, and make the demolded parts 11 of instrument 10 under the first polish increase, it is possible to take out from hole portion 10a the cupule of institute's molding
Part.Outer edge, the end 1b being formed as in bottom by the cup part of precisive shaped operation molding is thicker than end central part 1a.
It addition, in the ordinary course of things, the final products shape of raw material 1 by corresponding with the volume of raw material 1, first
On upper instrument 2, second, on instrument the 3, the 3rd, the gap (volume) of instrument 4 and first time instrument 5 determines.That is, by by
On one, on instrument 2, second, on instrument the 3, the 3rd, the volume in the space of instrument 4 and first time instrument 5 closing determines raw material
Final products shape.
Additionally, in thick molding procedure can also be, exceed the feelings of the load limitation of punch forming device in punching press load
Under condition, the moment that controller becomes predetermined ultimate load value in punching press load interrupts molding, and is transferred to follow-up essence
Molding procedure.
(the second embodiment)
In the first embodiment, it is immediately transferred into precisive shaped operation thickening after operation (the second operation) is implemented of Fig. 3 D
(the 3rd operation).In the present embodiment, between the second operation and the 3rd operation, process is once thickened.Fig. 5 A is this increasing
The thick perspective cross-sectional slice processing the mould (being equivalent to the 3rd mould) used.It addition, for identical with the first embodiment
Constituting, suitably the description thereof will be omitted.
Thicken the mould that process used and include instrument 12 on the 4th, instrument 13 on the 5th, instrument 14 and on the 6th
Two times instruments 15.The central shaft of instrument 12~15 is mutually positioned on coaxial, and instrument 12~15 is relative to central axis L 3 axisymmetrically
Configuration.Second time instrument 15 has relative to the axisymmetric demolded parts of central axis L 3 16.
On 4th, instrument 12 is formed as cylindric, it is possible to be formed as with first on the identical shape of instrument 2.Instrument on 5th
13 are formed as tubular, and front end face is by by along with downward and close to the upper tool tilt portion 13a tilted in the way of central axis L 3
Formed.
Herein, when the upper tool tilt portion 13a of instrument 13 on the 5th is set to A2 with horizontal plane angulation, angle
A2 is less than the angle A 1 (with reference to Fig. 1) of instrument 3 on second.It addition, angle A 2 is preferably more than 20 ° less than 60 °.This reason is as above
Described, therefore the description thereof will be omitted.On 6th, instrument 14 is formed as tubular, the periphery configuration of instrument 13 on the 5th.
Under second time instrument 15 has and allows that on the 4th, on instrument the 12, the 5th, on instrument 13 and the 6th, instrument 14 enters
Tooling hole portion 15a.Lower tooling hole portion 15a includes: hole portion longitudinal wall part 15b, along and into instrument on the 6th of lower tooling hole portion 15a the
The outer peripheral face of 14 extends;Hole portion rake 15c, is arranged continuously with the bottom of hole portion longitudinal wall part 15b, with along with downward and
Mode close to central axis L 3 tilts;And hole portion bottom surface sections 15d, arrange continuously with the bottom of hole portion rake 15c, along
The direction orthogonal with central axis L 3 extends.Central axis L 3 around hole portion bottom surface sections 15d is formed prolongs along central axis L 3 direction
The bottom hole portion 15e stretched.It is configured with demolded parts 16 in the inner side of bottom hole portion 15e.The front end face of demolded parts 16 is arranged in
The position of substantially flush is become relative to hole portion bottom surface sections 15d.Angle formed by hole portion bottom surface sections 15d and hole portion rake 15c
Degree (acute side) is roughly the same with horizontal plane angulation A2 with above-mentioned upper tool tilt portion 13a.It addition, logical via portion bottom surface
The front end face of portion 15d and demolded parts 16 forms " the hole portion bottom surface sections " described in technical scheme 4.But, demolded parts 16
Can also be integrally formed with second time instrument 15.
Above-mentioned first embodiment Fig. 3 D thicken in operation, in the case of punching press load exceedes load limitation,
Mould is replaced to the mould shown in Fig. 5 A, and carries out further thickening process.Specifically, on by the 4th instrument 12 with
Under the state that second time instrument 15 has clamped raw material 1, instrument 13 on the 5th is made to decline.Afterwards, as shown in Figure 5 B, make on the 6th
Instrument 14 declines in the direction of the arrow, is pressed into Ji Tong end, the upper end 1d of raw material longitudinal wall part 1c by instrument 14 on the 6th, by
This makes material flow between raw material longitudinal wall part 1c upwards tool tilt portion 13a and hole portion rake 15c, makes outer edge, end 1b
Thicken further.
So, by making angle A 2 be less than angle A 1 (with reference to Fig. 1), even if the punch forming that thus punching press load is less
Device, it is also possible to thicken process by enforcement at twice and meet target amount of swelling.
(the 3rd embodiment)
In the first embodiment, it is immediately transferred into precisive shaped operation thickening after operation (the second operation) is implemented of Fig. 3 D
(the 3rd operation).In the present embodiment, implement repeatedly to thicken increasing again of process between the second operation and the 3rd operation
Thick treatment process.Fig. 6 A is to thicken, (n-1)th time (wherein, n is the integer of more than 2), mould general used in treatment process again
Want sectional view.Fig. 6 B is the perspective cross-sectional slice thickening the mould used in treatment process in n-th again.That is, Fig. 6 A and Fig. 6 B
It it is the sectional view of the mould used respectively in arbitrary two operations of continuous print.
Mould (being equivalent to the (n+1)th mould) shown in Fig. 6 A includes (3 × n-2) upper instrument 22, (3 × n-1) upper work
Tool 23, (3 × n) upper instrument 24 and n-th time instrument 25.The central shaft of instrument 22~25 is mutually positioned on coaxial, instrument 22
~25 configure axisymmetrically relative to central axis L (n-1).(3 × n-2) upper instrument 22 is formed as cylindric, it is possible to be formed as
With first on the identical shape of instrument 2.(3 × n-1) upper instrument 23 is formed as tubular, and front end face is by with along with downward
The upper tool tilt portion 23a tilted close to the mode of central axis L (n-1) is formed.(3 × n) upper instrument 24 is formed as tubular, edge
The periphery configuration of (3 × n-1) upper instrument 23.N-th time instrument 25 has allows (3 × n-2) upper instrument 22, (3 × n-
1) the lower tooling hole portion 25a that upper instrument 23 and (3 × n) upper instrument 24 enter.Lower tooling hole portion 25a includes: hole portion longitudinal wall
Portion 25b, the outer peripheral face along and into (3 × n) upper instrument 24 of lower tooling hole portion 25a extends;Hole portion rake 25c, with hole
The bottom of portion's longitudinal wall part 25b is arranged continuously, by along with tilting in the way of central axis L (n-1) downward;And hole
Portion's bottom surface sections 25d, is arranged continuously with the bottom of hole portion rake 25c, extends along the direction orthogonal with central axis L (n-1).
Central axis L (n-1) around hole portion bottom surface sections 25d is formed with the bottom hole portion 25e extended along central axis L (n-1) direction.?
The inner side of bottom hole portion 25e is configured with demolded parts 26.The front end face of demolded parts 26 is arranged in relative to hole portion bottom surface sections 25d
Become the position of substantially flush.It addition, demolded parts 26 can also be integrally formed with n-th time instrument 25.
Mould (being equivalent to the n-th+2 mould) shown in Fig. 6 B includes (3 × (n+1)-2) upper instrument 32, (3 × (n+
1)-1) upper instrument 33, (3 × (n+1)) upper instrument 34 and (n+1)th time instrument 35.The mutual position of central shaft of instrument 32~35
On coaxial, instrument 32~35 configures axisymmetrically relative to central axis L n.(3 × (n+1)-2) upper instrument 32 is formed as round
Column, it is possible to be formed as with first on the identical shape of instrument 2.(3 × (n+1)-1) upper instrument 33 is formed as tubular, front end
Face is by by along with being formed close to the upper tool tilt portion 33a tilted in the way of central axis L n downward.(3 × (n+1))
Upper instrument 34 is formed as tubular, along the periphery configuration of (3 × (n+1)-1) upper instrument 33.(n+1)th time instrument 35 has allows
Under (3 × (n+1)-2) upper instrument 32, (3 × (n+1)-1) upper instrument 33 and (3 × (n+1)) upper instrument 34 enter
Tooling hole portion 35a.Lower tooling hole portion 35a includes: hole portion longitudinal wall part 35b, along and into (3 × (the n+ of lower tooling hole portion 35a
1)) outer peripheral face of upper instrument 34 extends;Hole portion rake 35c, is arranged continuously with the bottom of hole portion longitudinal wall part 35b, with along with
Tilt close to the mode of central axis L n downward;And hole portion bottom surface sections 35d, connect with the bottom of hole portion rake 35c
Continuous setting, extends along the direction orthogonal with central axis L n.Central axis L n around hole portion bottom surface sections 35d is formed along center
The bottom hole portion 35e that axle Ln direction extends.It is configured with demolded parts 36 in the inner side of bottom hole portion 35e.Before demolded parts 36
End face is arranged in the position becoming substantially flush relative to hole portion bottom surface sections 35d.It addition, demolded parts 36 can also with n-th+
1 time instrument 35 is integrally formed.
Herein, compare with reference to Fig. 6 A and Fig. 6 B, by hole portion rake 25c (upper tool tilt portion 23a) relative to water
The angle of plane is set to A (n-1), hole portion rake 35c (upper tool tilt portion 33a) angle with respect to the horizontal plane and is set to An
Time, angle A n is less than angle A (n-1).That is, thickening in treatment process again, angle periodically reduces, so even be punching press
The punch forming device that load is less, it is also possible to thicken process by enforcement several times and meet target amount of swelling.It addition, again
Thicken in treatment process implement the number of times thickening process, as long as being repeatedly, it is possible to from the size of mould, load limitation,
The viewpoints such as target amount of swelling are set out and are defined as suitable value.It addition, angle A n and angle A (n-1) are preferably more than 20 °
Less than 60 °.As described above, therefore the description thereof will be omitted for this reason.
(the 4th embodiment)
In the second embodiment and the 3rd embodiment, different to using between the second operation from the 3rd operation
Mould carries out thickening and processes or thicken the situation of process and be illustrated.In the present embodiment, the second operation with
By implementing to thicken treatment process with the identical mould used in the second operation between 3rd operation.Herein, to use
The situation of the mould shown in Fig. 1 of the first embodiment illustrates, but in the second embodiment and the 3rd embodiment
Can implement too.
After the thick molding procedure shown in Fig. 3 A~Fig. 3 D terminates, instrument 3 on second is made somewhat to increase.That is, by second
Gap between the upper tool tilt portion 3a and the hole portion rake 5c of first time instrument 5 of upper instrument 3 is set to more than thick molding
Interval T during operation (or thickened treatment process last time or last time thickens treatment process again).
Then, instrument 4 on the 3rd is made to decline after rising.It is pressed into raw material longitudinal wall part 1c by instrument 4 on the 3rd
Ji Tong end, upper end 1d, thus makes material between raw material longitudinal wall part 1c upwards tool tilt portion 3a and hole portion rake 5c
Flowing, it is possible to make the wall thickness of outer edge, end 1b increase.Additionally, as required, it is also possible to increasing instrument 3 on second further
On the basis of gap between the hole portion rake 5c of upper tool tilt portion 3a and first time instrument 5, repeatedly implement based on second
On upper instrument 3 and the 3rd, instrument 4 thickens treatment process.
Herein, to making the situation that on second, on instrument 3 and the 3rd, instrument 4 declines be illustrated, but it is not limited to
This situation, as long as on instrument 3 and the 3rd, instrument 4 and first time instrument 5 can relatively move on second.
Afterwards, make on first on instrument 2, second instrument 4 on instrument 3 and the 3rd increase, and make the de-of first time instrument 5
Mould parts 6 rise, and it is possible to take out the raw material 1 as intermediate member from lower tooling hole portion 5a.The raw material 1 of taking-up is set
Be placed at precisive shaped operation (or the second embodiment thicken treatment process or the 3rd embodiment thicken place's science and engineering again
Sequence) the middle mould used.
So, by using identical mould to set upper tool tilt portion 3a compared with last time larger and tilt with hole portion
Gap between portion 5c, even if the punch forming device that thus punching press load is less, it is also possible to thickened by enforcement several times
Process and meet target amount of swelling.
(the 5th embodiment)
In the thick molding procedure of the first embodiment, illustrate following situation: first make instrument 2 on first decline,
Clamp the end central part 1a of raw material 1 on first between instrument 2 and first time instrument 5, then make instrument 3 on second decline.?
In present embodiment, illustrate making the situation that on first, on instrument 2 and second, instrument 3 declines simultaneously.
First, as shown in Figure 3A, raw material 1 is arranged to the top of first time instrument 5.Afterwards, as shown in Figure 7 that
Sample, makes the front end face of instrument 2 on first abut with the end central part 1a of raw material 1, and makes the demolded parts of second time instrument 5
6 rise, and thus clamp the end central part 1a of raw material 1 on first between instrument 2 and demolded parts 6.Thus, raw material 1 exists
It is positioned between instrument 2 and demolded parts 6 on first.
Then, when having clamped raw material 1 between instrument 2 and demolded parts 6 on first, make instrument 2 on first,
On second, instrument 3 and demolded parts 6 decline simultaneously.Thus, on first, on instrument 2 and second, raw material 1 is being pressed by instrument 3
While entering lower tooling hole portion 5a, with first on the shape correspondingly bending raw material 1 of instrument 3 on instrument 2 and second.Cause
And, as shown in Figure 3 D, it is by end central part 1a, outer edge, end 1b and raw material longitudinal wall part by raw material 1 punch forming
The shape that 1c is constituted.
The timing making this operation complete can be differentiated according to the shift position of instrument, punching press load etc..Its concrete side
Method is as it has been described above, therefore the description thereof will be omitted.
Herein, to making the situation that on first, on instrument 2 and second, instrument 3 declines be illustrated, but it is not limited to
This situation, as long as on instrument 2 and second, instrument 3 and first time instrument 5 can towards close direction relative movement i.e. on first
Can.
So, even if make in the case of on first, on instrument 2 and second, instrument 3 declines simultaneously, it is also possible to first
Embodiment similarly implements thick molding procedure.Additionally, herein to by making demolded parts 6 rise, thus instrument 2 on first
And the situation clamping the end central part 1a of raw material 1 between demolded parts 6 is illustrated, but is not limited to this situation, also
Demolded parts 6 can not be made to increase and make on first instrument 3 on instrument 2 and second decline simultaneously.I.e., it is also possible to carry out simultaneously
The cramping operation illustrated in the first embodiment and bending process.
It addition, the method for the controller detection punching press load as punch forming device, general employing uses punch forming
The method of the load transducer that device is possessed.But, the present invention is not limited to this situation, such as, can also be, pass through
Experiment or simulation and learn in advance from punch forming device start molding play above-mentioned instrument exceed till load limitation time
Between or the displacement of instrument in the case of, this time is counted or is measured the displacement of instrument by controller,
Thus molding was made to terminate before exceeding load limitation.That is, controller is, the Rule of judgment completed as molding might not need
The compressive load that directly to liquidate compares with the load limitation of punch forming device, as long as punch forming device can exceeded
Make molding complete before load limitation, then can use arbitrary method.
It addition, as the material of raw material 1, it is possible to use metal or their alloy etc., the Neng Goujin such as steel, aluminum, copper
The known various materials of row plastic working.
So far, described the present invention by various embodiments, but the present invention is not limited to these embodiment party
Formula, it is possible to carry out change etc. within the scope of the invention, it is also possible to appropriately combined above-mentioned embodiment.
Industrial applicability
The present invention can be utilized in the case of the cup part making bottom thickness locally increase is carried out punch forming.
Claims (7)
1. an impact forming method for cup part, when flat raw material is shaped to cup part, makes above-mentioned cup
The bottom thickness of shape parts locally increases, it is characterised in that
The first mould is used to implement the first operation and the second operation,
Above-mentioned first mould have central shaft be mutually arranged instrument on columned first on coaxial, tubular second on work
Tool, tubular the 3rd on instrument and first time instrument;On above-mentioned second, instrument is along the periphery configuration of instrument on above-mentioned first,
Front end face is by by along with being formed close to the upper tool tilt portion tilted in the way of above-mentioned central shaft downward;On above-mentioned 3rd
Instrument is along the periphery configuration of instrument on above-mentioned second;Above-mentioned first time instrument have allow instrument on above-mentioned first, above-mentioned
The hole portion that on two, on instrument and the above-mentioned 3rd, instrument enters, this hole portion includes: hole portion longitudinal wall part, along and in the portion of above-mentioned hole
The above-mentioned 3rd on instrument extend;Hole portion rake, is arranged continuously with the bottom of above-mentioned hole portion longitudinal wall part, with along with towards under
Square and close to above-mentioned central shaft mode tilts;And hole portion bottom surface sections, arrange continuously with the bottom of above-mentioned hole portion rake,
Extend along the direction with above-mentioned orthogonality of center shaft,
In above-mentioned first operation, by making on above-mentioned first on instrument and above-mentioned second instrument towards close to above-mentioned first time work
The direction relative movement of tool, is thus pressed into above-mentioned raw material the above-mentioned hole portion of above-mentioned first time instrument, is rolled over by above-mentioned raw material
It is curved,
In above-mentioned second operation, make on the above-mentioned 3rd instrument towards the direction relative movement close to above-mentioned first time instrument, and press
Enter above-mentioned raw-material upper end, thus make an above-mentioned raw-material part incline with above-mentioned hole portion to tool tilt portion on above-mentioned
The gap flowing tiltedly formed between portion, makes this part thicken,
Second mould different from above-mentioned first mould is used to implement the 3rd operation,
In above-mentioned 3rd operation, it is along relative to cup part by the part punch forming thickened in above-mentioned second operation
The shape that extends of the direction that is substantially orthogonal of central shaft.
2. the impact forming method of cup part as claimed in claim 1, it is characterised in that
Above-mentioned first operation is implemented:
Clamp operation, by making instrument on above-mentioned first towards the direction relative movement close to above-mentioned first time instrument, thus incite somebody to action
The above-mentioned hole portion of above-mentioned first time instrument it is pressed into while above-mentioned raw material bending, and by instrument on above-mentioned first and above-mentioned
Hole portion bottom surface sections clamps above-mentioned raw material;And
Bending process, makes on above-mentioned second that instrument is towards the direction relative movement close to above-mentioned first time instrument, thus with above-mentioned
The shape of the instrument correspondingly further above-mentioned raw material of bending on two.
3. the impact forming method of cup part as claimed in claim 1, it is characterised in that
When above-mentioned hole portion rake is set to A with above-mentioned hole portion bottom surface sections angulation,
20 °≤angle A≤60 °.
4. the impact forming method of cup part as claimed any one in claims 1 to 3, it is characterised in that
The 3rd mould is used to implement to thicken operation between above-mentioned second operation and above-mentioned 3rd operation,
Above-mentioned 3rd mould have central shaft be mutually arranged instrument on the columned 4th on coaxial, tubular the 5th on work
Tool, tubular the 6th on instrument and second time instrument;On above-mentioned 5th, instrument is along the periphery configuration of instrument on the above-mentioned 4th,
Front end face is by by along with being formed close to the upper tool tilt portion tilted in the way of above-mentioned central shaft downward;On above-mentioned 6th
Instrument is along the periphery configuration of instrument on the above-mentioned 5th;Above-mentioned second time instrument have allow instrument on the above-mentioned 4th, above-mentioned
The hole portion that on five, on instrument and the above-mentioned 6th, instrument enters, this hole portion includes: hole portion longitudinal wall part, along and in the portion of above-mentioned hole
The above-mentioned 6th on instrument extend;Hole portion rake, is arranged continuously with the bottom of above-mentioned hole portion longitudinal wall part, with along with towards under
Square and close to above-mentioned central shaft mode tilts;And hole portion bottom surface sections, arrange continuously with the bottom of above-mentioned hole portion rake,
Extend along the direction with above-mentioned orthogonality of center shaft;The angle that on above-mentioned 5th, the upper tool tilt portion in instrument is tilted is less than
The angle that on above-mentioned second, the upper tool tilt portion in instrument is tilted,
Thickening in operation above-mentioned, on by the above-mentioned 4th, instrument and above-mentioned second time instrument have clamped above-mentioned raw-material shape
Make on the above-mentioned 5th instrument towards after the direction relative movement close to above-mentioned second time instrument under state, make instrument court on the above-mentioned 6th
Close to the direction relative movement of above-mentioned second time instrument, and it is pressed into above-mentioned raw-material upper end, thus makes above-mentioned raw-material
A part flows to tool tilt portion on above-mentioned and the gap formed between above-mentioned hole portion rake, makes this part increase further
Thick.
5. the impact forming method of cup part as claimed any one in claims 1 to 3, it is characterised in that
Have between above-mentioned second operation and above-mentioned 3rd operation implement repeatedly to thicken process thicken treatment process again,
(n+1)th mould have central shaft be mutually arranged instrument columned (3 × n-2) on coaxial upper, the (the 3rd of tubular the
× n-1) go up instrument, (3 × n) upper instrument of tubular and n-th time instrument;Above-mentioned (3 × n-1) upper instrument is along above-mentioned the
The periphery configuration of (3 × n-2) upper instrument, front end face is by by along with upper close to tilt in the way of above-mentioned central shaft downward
Tool tilt portion is formed;Above-mentioned (3 × n) upper instrument is along the periphery configuration of above-mentioned (3 × n-1) upper instrument;Above-mentioned n-th time
Instrument has allows that above-mentioned (3 × n-2) upper instrument, above-mentioned (3 × n-1) upper instrument and above-mentioned (3 × n) upper instrument enter
The hole portion entered, this hole portion includes: hole portion longitudinal wall part, extends along and into the upper instrument of above-mentioned (3 × n) in the portion of above-mentioned hole;Hole
Portion's rake, is arranged continuously with the bottom of above-mentioned hole portion longitudinal wall part, with along with downward and close to the side of above-mentioned central shaft
Formula tilts;And hole portion bottom surface sections, arrange continuously with the bottom of above-mentioned hole portion rake, along with above-mentioned orthogonality of center shaft
Direction extends,
Thicken again in treatment process above-mentioned, thicken process for (n-1)th time and be following process: use above-mentioned (n+1)th mould, passing through
Above-mentioned (3 × n-2) upper instrument and above-mentioned n-th time instrument have clamped and have made on above-mentioned (3 × n-1) under above-mentioned raw-material state
Instrument, towards after the direction relative movement close to above-mentioned n-th time instrument, makes above-mentioned (3 × n) upper instrument towards close to above-mentioned n-th time
The direction relative movement of instrument, and it is pressed into above-mentioned raw-material upper end, thus make an above-mentioned raw-material part to above-mentioned
The gap flowing formed between upper tool tilt portion and above-mentioned hole portion rake, makes the process that this part thickens further;Wherein,
N is the integer of more than 2,
N-th+2 mould has central shaft and is mutually arranged instrument columned (3 × (n+1)-2) on coaxial upper, tubular
On (3 × (n+1)-1), instrument, (3 × (n+1)) of tubular go up instrument under instrument and (n+1);Above-mentioned (3 × (n+
1)-1) upper instrument is along the periphery configuration of above-mentioned (3 × (n+1)-2) upper instrument, and front end face is by with along with connecing downward
The upper tool tilt portion that the mode of nearly above-mentioned central shaft tilts is formed;Above-mentioned (3 × (n+1)) upper instrument along above-mentioned the (3 ×
(n+1)-1) the periphery configuration of upper instrument;Under above-mentioned (n+1) instrument have allow above-mentioned (3 × (n+1)-2) upper instrument, on
Stating (3 × (n+1)-1) upper instrument and the hole portion of above-mentioned (3 × (n+1)) upper instrument entrance, this hole portion includes: hole portion indulges
Wall portion, extends along and into the upper instrument of above-mentioned (3 × (n+1)) in the portion of above-mentioned hole;Hole portion rake, with above-mentioned hole portion longitudinal wall
The bottom in portion is arranged continuously, by along with tilting in the way of above-mentioned central shaft downward;And hole portion bottom surface sections, with
The bottom of above-mentioned hole portion rake is arranged continuously, extends along the direction with above-mentioned orthogonality of center shaft;Above-mentioned (3 × (n+
1)-1) angle that the upper tool tilt portion in upper instrument is tilted is less than the upper tool tilt in above-mentioned (3 × n-1) upper instrument
The angle that portion is tilted,
Thickening in treatment process above-mentioned, n-th thickens process and is following process: use above-mentioned n-th+2 mould, on passing through again
Instrument under (3 × (n+1)-2) upper instrument and above-mentioned (n+1) of stating clamped make under above-mentioned raw-material state above-mentioned the (3 ×
(n+1)-1) upper instrument is towards after the direction relative movement of instrument under above-mentioned (n+1), makes on above-mentioned (3 × (n+1))
Instrument is towards close to the direction relative movement of instrument under above-mentioned (n+1), and is pressed into above-mentioned raw-material upper end, thus makes above-mentioned
A raw-material part flows to tool tilt portion on above-mentioned and the gap formed between above-mentioned hole portion rake, makes this part
The process thickened further.
6. the impact forming method of cup part as claimed any one in claims 1 to 3, it is characterised in that
According to the position of predetermined instrument, judge in above-mentioned first operation and above-mentioned second operation at least any one
Completing of operation.
7. the impact forming method of cup part as claimed any one in claims 1 to 3, it is characterised in that
According to the load value of predetermined punch forming device, judge in above-mentioned first operation and above-mentioned second operation
At least the completing of each operation of any one.
Applications Claiming Priority (3)
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JP2013-101071 | 2013-05-13 | ||
JP2013101071 | 2013-05-13 | ||
PCT/JP2014/062496 WO2014185357A1 (en) | 2013-05-13 | 2014-05-09 | Press molding method for cup-shaped member |
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CN105188981B true CN105188981B (en) | 2016-11-30 |
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JP (1) | JP5692478B1 (en) |
KR (1) | KR101751160B1 (en) |
CN (1) | CN105188981B (en) |
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US10022763B2 (en) * | 2013-12-26 | 2018-07-17 | Nippon Steel & Sumitomo Metal Corporation | Hat shaped cross-section component manufacturing method |
JP6551523B2 (en) * | 2015-04-28 | 2019-07-31 | 日本製鉄株式会社 | Press processing method |
JP6721544B2 (en) * | 2017-06-28 | 2020-07-15 | 株式会社神戸製鋼所 | Method for manufacturing press-formed products |
CN109647981B (en) * | 2017-10-10 | 2022-02-08 | 湖北宏力液压科技有限公司 | A multilayer stamping die for carrier tripod |
JP6777053B2 (en) * | 2017-10-13 | 2020-10-28 | Jfeスチール株式会社 | Press molding equipment and method |
CN110293148B (en) * | 2019-06-21 | 2020-09-29 | 上海正玺新材料科技有限公司 | Magnesium alloy plate stamping and forging composite forming method |
CN114888181B (en) * | 2022-07-13 | 2022-09-30 | 苏州春秋电子科技股份有限公司 | Integral die with flanging and pier thickness |
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- 2014-05-09 CN CN201480025408.2A patent/CN105188981B/en active Active
- 2014-05-09 JP JP2014543672A patent/JP5692478B1/en active Active
- 2014-05-09 KR KR1020157026653A patent/KR101751160B1/en active IP Right Grant
- 2014-05-09 WO PCT/JP2014/062496 patent/WO2014185357A1/en active Application Filing
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US4457150A (en) * | 1982-02-11 | 1984-07-03 | National Steel Corporation | Method of forming D&I cans from coated steel |
JPH0360820A (en) * | 1989-09-06 | 1991-03-15 | Kanemitsu:Kk | Manufacture of component parts for fluid chamber |
CN102725079A (en) * | 2010-02-04 | 2012-10-10 | 皇冠包装技术公司 | Can manufacture |
CN202028683U (en) * | 2011-01-10 | 2011-11-09 | 协易机械工业股份有限公司 | Stamping and forming device |
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Also Published As
Publication number | Publication date |
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CN105188981A (en) | 2015-12-23 |
WO2014185357A1 (en) | 2014-11-20 |
KR101751160B1 (en) | 2017-06-26 |
JPWO2014185357A1 (en) | 2017-02-23 |
JP5692478B1 (en) | 2015-04-01 |
KR20150123297A (en) | 2015-11-03 |
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