CN106825230A

CN106825230A - The manufacture method and press molding equipment of stamping part

Info

Publication number: CN106825230A
Application number: CN201610930311.7A
Authority: CN
Inventors: 阪本和纪; 林田康宏; 渡边宪; 渡边宪一; 内藤纯也; 船田健介; 木村高行; 岩谷二郎
Original assignee: Kobe Steel Ltd
Current assignee: Kobe Steel Ltd
Priority date: 2015-11-18
Filing date: 2016-10-31
Publication date: 2017-06-13
Also published as: US20170136521A1; JP2017094341A; US20180361461A1; EP3315222A1; EP3181256B1; CN108994142A; EP3181256A1

Abstract

The manufacture method of stamping part of the invention includes：The component that is stamped is arranged at the operation of press molding equipment；And by make the first pressing part and the second pressing part it is close to each other come punching press be stamped component flat part operation.First opposed faces and the second opposed faces are contacted and mutually opposing in punching press midway with flat part.In the operation of punching press, the position for thickening forming portion, heavy wall thus being formed on flat part formed in the first opposed faces by flowing into a part for the material of the flat part on pressing direction.Second opposed faces are moved to the punching press of flat part along with the first pressing part and the second pressing part along the direction of punching press.

Description

The manufacture method and press molding equipment of stamping part

Technical field

The present invention relates to the manufacture method and press molding equipment of stamping part.

Background technology

Conventionally, there is known manufacturing the metallic plate used in the skeleton part of the vehicles such as motor vehicle by stamping Technology.In purposes as described above, not only for the metallic plate that thickness of slab is constant, for being set by being partially formed thickened section The requirement for having the metallic plate of thickness of slab difference is also increasingly increased.Following patent documents 1~3 disclose to be formed to manufacture by stamping There are device, the method for the metallic plate of thickened section as described above.

In the press molding equipment disclosed in following patent documents 1,2, metallic plate is clamped using upper and lower a pair of moulds Two interareas, in this condition by metallic plate along with the direction punching press of main surface parallel.Thus, the material of metallic plate is towards in mould Clamping face the recess flowing that sets of a part, and form thickened section.In addition, in following patent documents 3, being bent into U A part for length direction in the metallic plate of shape sets extension, by punching press is carried out to the extension and in length direction A part formed thickened section.

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2014-166645 publications

Patent document 2：Japanese Unexamined Patent Publication 2007-14978 publications

Patent document 3：Japanese Unexamined Patent Publication 2008-296252 publications

In the press molding equipment disclosed in above-mentioned patent document 1,2, metallic plate is clamped using upper and lower a pair of moulds Two interareas, in the state of the position for securing the mould, by metallic plate along carrying out punching press with the direction of main surface parallel.At this In the case of, with the slip between mould and metallic plate be thus produce frictional force increase, it is necessary to stamping press amount became Greatly.On the other hand, in the press molding equipment disclosed in above-mentioned patent document 3, mould is larger with the gap of metallic plate, and having can Metallic plate can be made folding is produced in punching press.Due to producing folding as described above, therefore the material of uncontrollable metallic plate Flow direction, so as to be difficult to the thickened section of the shape to form desired.

The content of the invention

The present invention be in view of above-mentioned problem and complete, its object is to, there is provided can reduce punching press strength while Form the manufacture method and press molding equipment of the stamping part of the thickened section of desired shape.

Means for solving the problems

(1) manufacture method of the stamping part involved by an aspect of of the present present invention is to including being rushed including flat part The method that pressure component is formed and manufactures stamping part.The method possesses：Setting process, in the operation, by the quilt Punching component is arranged at press molding equipment, to cause the first interarea of the flat part opposed with the first opposed faces, and institute Interarea i.e. the second interarea for stating direction in the flat part direction opposite with first interarea is opposed with the second opposed faces；And Stamping procedure, in the operation, by making first pressing part opposed with the first end of the flat part and flat with described The end of the opposition side of the first end in plate portion is that the second opposed pressing part of the second end is close to each other, so as to institute Stating flat part carries out punching press.First opposed faces and second opposed faces contacted with the flat part in punching press midway and It is mutually opposing.In the stamping procedure, flowed into institute by making a part for the material of the flat part on pressing direction That states the formation of at least one party in the first opposed faces and second opposed faces thickens forming portion, so as on the flat part The position of heavy wall is formed, at least one party in first opposed faces and second opposed faces is along with first punching press Portion and second pressing part are moved to the punching press of the flat part along the direction of punching press.

In the above-mentioned methods, along with making the first pressing part and the second pressing part close to each other and rushed to flat part Pressure, the opposed faces opposed with the interarea of the flat part are moved along the direction of the punching press.Therefore, with as in the past with opposed Face is not moved and is compared by the situation that fixed state carries out punching press, can further reduce interarea and opposed faces because of flat part Between slip and the frictional force that produces.As a result, the punching press strength of needs can further be reduced.

In addition, in the above-mentioned methods, punching press is carried out to flat part using the first pressing part and the second pressing part, by making this A part for the material of the flat part on pressing direction is flowed into and thickens forming portion, and the position that heavy wall can be formed on flat part is Thickened section.Here, the first opposed faces and the second opposed faces are contacted and mutually opposing in punching press midway with flat part, therefore, it is possible to Prevent from folding flat part in punching press midway, so that the flow direction inequality for suppressing material is homogenized.Therefore, it is possible to make flat board The material in portion is reliably flowed into and thickens forming portion such that it is able to form the thickened section of desired shape.

Here, " first end and the second end " is the end of the both sides on the pressing direction of flat part.

(2) in the manufacture method of above-mentioned stamping part, or, be stamped described in set the setting work of component In sequence, the flat part is set between two moulds, wherein, the mould of a side is provided with first pressing part and described first Opposed faces, the mould of the opposing party is provided with second pressing part with second opposed faces.

Thus, from using by the first pressing part and the first opposed faces located at different components and by the second pressing part and Second opposed faces are compared located at the situation of the press molding equipment of different components, can further simplify device construction.

(3) in the manufacture method of above-mentioned stamping part, the mould with first opposed faces can also have：The One cutting part；The second cutting part being additionally formed independently of first cutting part.First pressing part can also be formed In first cutting part.Second pressing part can also be formed at second cutting part.In the operation of the punching press, Punching press along with first pressing part to the flat part, first cutting part is along the punching press of first pressing part Direction moves, also, the punching press along with second pressing part to the flat part, and second cutting part is along described The direction of the punching press of the second pressing part moves.

Thus, by making the first cutting part and the second cutting part close to each other, can be using the first pressing part and the second punching Splenium carries out punching press to the first end and the second end of flat part respectively.It is first opposed towards the first punching press therefore, it is possible to make Each pressing direction movement of portion and the second pressing part, can more effectively reduce and be produced between the interarea and opposed faces of flat part Frictional force.As a result, punching press strength can further be reduced.

(4) in the manufacture method of above-mentioned stamping part, first cutting part and second cutting part also may be used To have intermeshing comb shape respectively.In the operation of the punching press, first cutting part and described second is split Portion is close to each other, to cause the comb with the mutually inter-engaging.

It is stamping thereby, it is possible to be carried out with the state in more stably bearing flat plate portion.

(5) in the manufacture method of above-mentioned stamping part, or, be stamped described in set the setting work of component In sequence, the quilt is set in the way of making first interarea of the flat part and second interarea along vertical Punching component.

Thus, compared with the situation that the first interarea and the second interarea are configured along horizontal direction, can reduce and strike out The setting area that shape dress is put, can realize space saving.

(6) in the manufacture method of above-mentioned stamping part, or, be stamped described in set the operation of component In, the flat part is supported using interim pressing member, thus maintain first interarea and second interarea along The state of vertical.

Thus, even if the first interarea and the second interarea in flat part are set to longitudinal type in the way of along vertical and match somebody with somebody In the case of putting, it is also possible to stably support flat part for that will not topple over.

(7) in the manufacture method of above-mentioned stamping part, or, in the stamping procedure, to being flowed into The material for stating the flat part for thickening forming portion assigns pressure.

Thus, during the position for making the material inflow of flat part thicken forming portion and form heavy wall, can more have Prevent flat part from producing folding to effect.

(8) in the manufacture method of above-mentioned stamping part, it is also possible to the component that is stamped is carried out using drop stamping Shaping.

In the above-mentioned methods, due to punching press can be carried out to flat part with the state not folded as described above, because Even if this is in the case of drop stamping, it is also possible to more reliably control the flow direction of material.

(9) press molding equipment involved by another aspect of the present invention is used for including the structure that is stamped including flat part Part is formed.The press molding equipment possesses：First pressing part, it is opposed with the first end of the flat part；Second punching Splenium, it is opposed the second end with the end of the opposition side of the first end in the flat part；First opposed faces, its The first interarea with the flat part is opposed；Second opposed faces, its with the flat part in direction and the first interarea phase The interarea in anti-direction is that the second interarea is opposed；And drive division, it makes first pressing part and the second pressing part phase Mutually it is close to, to carry out punching press to the flat part.In first opposed faces and second opposed faces at least one Side is formed with and thickens forming portion, this thicken forming portion for for the flat part material part inflow and in the flat board The position of heavy wall is formed in portion.First opposed faces and second opposed faces are configured to, flat with described in punching press midway Plate portion contact and it is mutually opposing.At least one party in first opposed faces and second opposed faces is configured to, along with First pressing part and second pressing part are moved to the punching press of the flat part along the direction of punching press.

In above-mentioned press molding equipment, along with make the first pressing part and the second pressing part it is close to each other and to flat part Punching press is carried out, the opposed faces opposed with the interarea of the flat part can be made to be moved along the pressing direction.Therefore, with such as in the past Do not move and compared by the situation that fixed state carries out punching press with opposed faces like that, can further reduce the master because of flat part Slip between face and opposed faces and the frictional force that produces.As a result, the punching press strength of needs can further be reduced.

In addition, in above-mentioned press molding equipment, punching press is carried out to flat part using the first pressing part and the second pressing part, Forming portion is thickened by flowing into a part for the material of the flat part on the pressing direction, heavy wall can be formed in flat part Position is thickened section.Here, the first opposed faces and the second opposed faces are contacted and mutually opposing in punching press midway with flat part, because This is prevented from folding flat part in punching press midway, so that the flow direction inequality for suppressing material is homogenized.Therefore, it is possible to The material of flat part is set reliably to be flowed into forming portion is thickened such that it is able to form the thickened section of desired shape.

(10) in above-mentioned press molding equipment, first pressing part and first opposed faces can also be located at identical Mould.Second pressing part and second opposed faces can also be located at identical mould.

Thus, from by the first pressing part and the first opposed faces located at different components and by the second pressing part and second Opposed faces are compared located at the situation of different components, can further simplify the construction of press molding equipment.

(11) in above-mentioned press molding equipment, the mould with first opposed faces can also have the first segmentation Portion and the second cutting part being additionally formed independently of first cutting part.First pressing part can also be formed at First cutting part.Second pressing part can also be formed at second cutting part.

(12) in above-mentioned press molding equipment, first cutting part and second cutting part can also have respectively There is intermeshing comb shape.

(13) in above-mentioned press molding equipment, first opposed faces and second opposed faces can also be along lead Vertical direction configuration.

Thus, compared with the situation that the first opposed faces and the second opposed faces are configured along horizontal direction, punching press can be reduced The setting area of building mortion such that it is able to realize space saving.

(14) above-mentioned press molding equipment can also possess the interim pressing member for supporting the flat part, to maintain State the state of the first interarea and second interarea along vertical.

Thus, even if being set to the situation of longitudinal type configuration in the way of along vertical in the first interarea and the second interarea Under, it is also possible to flat part is stably supported for that will not topple over.

(15) above-mentioned press molding equipment can also possess the material to being flowed into the flat part for thickening forming portion Material assigns the back pressure assigning unit of pressure.

Thus, during the position for making the material inflow of flat part thicken forming portion and form heavy wall, can more have Prevent flat part from folding to effect.

According to above-mentioned press molding equipment, due to that can be carried out to flat part with the state not folded as described above Punching press, so even in the case of drop stamping, it is also possible to more reliably control the flow direction of material.

In accordance with the invention it is possible to provide the punching press of the thickened section of the shape for forming desired while punching press strength is reduced The manufacture method and press molding equipment of drip molding.

Brief description of the drawings

Fig. 1 is the figure of the structure for schematically showing the press molding equipment involved by first embodiment of the invention.

Fig. 2 is the enlarged drawing thickened near forming portion in above-mentioned press molding equipment.

Fig. 3 is the flow of the step of showing the manufacture method of the stamping part involved by first embodiment of the invention Figure.

Fig. 4 is to show to be stamped the figure of component heated appearance in electric furnace.

Fig. 5 is to show that flat part is stamped and forms the figure of the appearance of thickened section.

Fig. 6 is the schematic diagram for showing stamping part.

Fig. 7 is the chart of the measurement result for showing forming load and pressing load.

Fig. 8 is the structure of the press molding equipment involved by the first variation for schematically showing above-mentioned first embodiment Figure.

Fig. 9 is the figure of appearance for showing to be stamped and form thickened section in above-mentioned first variation middle plateform portion.

Figure 10 is the figure of the structure for schematically showing the press molding equipment involved by second embodiment of the present invention.

Figure 11 is the figure for showing the appearance that flat part is stamped in the above-described 2nd embodiment.

Figure 12 is to show that flat part in the above-described 2nd embodiment is stamped and forms the figure of the appearance of thickened section.

Figure 13 is the knot of the press molding equipment involved by the first variation for schematically showing above-mentioned second embodiment The figure of structure.

Figure 14 is the knot of the press molding equipment involved by the first variation for schematically showing above-mentioned second embodiment The figure of structure.

Figure 15 is the knot of the press molding equipment involved by the second variation for schematically showing above-mentioned second embodiment The figure of structure.

Figure 16 is to show to be stamped and form thickened section in the second variation middle plateform portion of above-mentioned second embodiment The figure of appearance.

Figure 17 is the figure of the structure for schematically showing the press molding equipment involved by third embodiment of the present invention.

Figure 18 is the figure for showing the appearance between flat part is configured at mould in the above-described 3rd embodiment.

Figure 19 is to show that flat part in the above-described 3rd embodiment is stamped and forms the figure of the appearance of thickened section.

Figure 20 is the knot of the press molding equipment involved by the first variation for schematically showing above-mentioned 3rd implementation method The figure of structure.

Figure 21 is to show the appearance between the first variation middle plateform portion of above-mentioned 3rd implementation method is configured at mould Figure.

Figure 22 is to show to be stamped and form thickened section in the first variation middle plateform portion of above-mentioned 3rd implementation method The figure of appearance.

Figure 23 is the knot of the press molding equipment involved by the second variation for schematically showing above-mentioned 3rd implementation method The figure of structure.

Figure 24 is to show to be stamped and form thickened section in the second variation middle plateform portion of above-mentioned 3rd implementation method The figure of appearance.

Figure 25 is the knot of the press molding equipment involved by the 3rd variation for schematically showing above-mentioned 3rd implementation method The figure of structure.

Figure 26 is to show to be stamped and form thickened section in the 3rd variation middle plateform portion of above-mentioned 3rd implementation method The figure of appearance.

Figure 27 is the knot of the press molding equipment involved by the 4th variation for schematically showing above-mentioned 3rd implementation method The figure of structure.

Figure 28 is to show to be stamped and form thickened section in the 4th variation middle plateform portion of above-mentioned 3rd implementation method The figure of appearance.

Figure 29 is the figure of the structure for showing the cutting part in other variations of above-mentioned 3rd implementation method.

Figure 30 is the figure of the structure for schematically showing the press molding equipment involved by the 4th implementation method of the invention.

Figure 31 is the figure for showing the appearance that flat part is stamped in the above-described 4th embodiment.

Figure 32 is to show that flat part in the above-described 4th embodiment is stamped and forms the figure of the appearance of thickened section.

Figure 33 is the knot of the press molding equipment involved by the first variation for schematically showing above-mentioned 4th implementation method The figure of structure.

Figure 34 is the figure of appearance for showing to be stamped in the first variation middle plateform portion of above-mentioned 4th implementation method.

Figure 35 is to show to be stamped and form thickened section in the first variation middle plateform portion of above-mentioned 4th implementation method The figure of appearance.

Figure 36 is the figure of the structure for schematically showing the press molding equipment involved by other embodiments of the present invention.

Figure 37 is the sketch for illustrating Partial panel galvanization heating.

Figure 38 is the stamping sketch for the flat part for illustrating to be heated by Partial panel galvanization.

Specific embodiment

Hereinafter, embodiments of the present invention are described in detail based on accompanying drawing.

(first embodiment)

[structure of press molding equipment]

First, referring especially to Fig. 1, the structure to the press molding equipment 1 involved by first embodiment of the invention is entered Row explanation.

Press molding equipment 1 is so that constant metallic plate of thickness of slab etc. includes the component partial that is stamped including flat part 10 The mode that ground forms the position (thickened section) of heavy wall carries out stamping device.Press molding equipment 1 have the first mould 11, Second mould 12, supporting member 13, pressing member 18 and drive division 18B.

The component that is stamped is the metallic plate being for example made up of materials such as hard steel, mild steel or aluminium, in legend, its overall structure As flat part 10.

It should be noted that the component that is stamped of the invention is without generally flat part 10, it is also possible to have in a part Flat part 10.Flat part 10 has：First interarea 10C, the interarea towards the direction opposite with first interarea 10C are the second master Face 10D, first end 10A, the end of the opposition side of first end 10A are the second end 10B.

First mould 11 is fixed on the mounting surface 13A of supporting member 13 by fixing components such as bolt Bs.First mould 11 Configure and guide the second mould 12 at spaced intervals with the opposed portion 11C opposed with flat part 10 and with opposed portion 11C Mobile guide portion 11D.

Be provided with opposed portion 11C the first opposed faces 11B opposed with the first interarea 10C and with first end 10A pairs The the first pressing part 11A for putting.So, the first pressing part 11A and the first opposed faces 11B is located at the first mould of identical 11.The The upper end of one opposed faces 11B is connected with upper surface 11F, and the first opposed faces 11B in the way of along vertical (with lead The parallel mode in vertical direction) configured with longitudinal state.First pressing part 11A is connected with the lower end of the first opposed faces 11B, and It is provided along (with horizontal direction parallel) tabular surface of horizontal direction.

Forming portion 15 is thickened what the center of the first opposed faces 11B was formed about fluted shape.Thicken forming portion 15 and be for By flow into a part for the material of the flat part 10 on pressing direction when stamping and on the flat part 10 shape Into the position of heavy wall being thickened section is set.It is the part surrounded by a pair of sidewalls face and wall surface, institute to thicken forming portion 15 State a pair of sidewalls face to be made up of horizontally extending horizontal plane, the wall surface is by the inboard end in a pair of sidewalls face It is joined to one another, this thickens forming portion 15 and is recessed to the direction away from flat part 10.Forming portion 15 is thickened in the first opposed faces A part for pressing direction is formed in 11B.

It should be noted that thicken the shape not limited to this of forming portion 15, can be according to being formed at thickening for flat part 10 The shape in portion and suitably change.For example, it is also possible to be section semicircle, triangle.Alternatively, it is also possible in the first opposed faces 11B In be formed with multiple and thicken forming portion 15.In addition, the position that formation thickens forming portion 15 is also not necessarily limited to central portion.

Multiple guide reels 17 are configured with the inner surface of guide portion 11D.Match somebody with somebody between guide portion 11D and opposed portion 11C The bottom of the second mould 12 is put, the second mould 12 is moved along with the contraction of spring 16 along vertical.Now, guide reel 17 and contacts side surfaces, thus guide the movement of the vertical of the second mould 12.

The lower surface of the second mould 12 is connected with the upper end of spring 16, lower end part in opposed portion 11C and guide portion 11D it Between.Under state (Fig. 1) before stamping beginning, the upper surface 12C of the second mould 12 is positioned at upper than the first mould 11 Surface 11F upper position.

Be provided with the second mould 12 the second opposed faces 12B opposed with the second interarea 10D and with the second end 10B The second opposed pressing part 12A.So, the second pressing part 12A and the second opposed faces 12B is located at the second mould of identical 12.The The upper end of two opposed faces 12B is connected with the second pressing part 12A, the second opposed faces 12B in the way of along vertical (with lead The parallel mode in vertical direction) configured with longitudinal state.Second pressing part 12A be provided along horizontal direction (with level side To parallel) tabular surface.

Second mould 12 is configured to, the second opposed faces 12B across flat part 10 in the horizontal direction with the first opposed faces 11B It is opposed, and the second pressing part 12A is opposed with the first pressing part 11A in vertical across flat part 10.Thereby, it is possible to incite somebody to action Flat part 10 is configured between the first mould 11 and the second mould 12.

Fig. 2 shows the thickness T1 of flat part 10, the interval D 1 of the first opposed faces 11B and the second opposed faces 12B and thickens Interval D 2 between the wall surface 15A of forming portion 15 and the second opposed faces 12B.In press molding equipment 1, coordinate with thickness T1 Ground adjustment interval D 1, to cause that the ratio of interval D 1 (mm)/thickness T1 (mm) is less than 1.1.For example, being to thickness T1 In the case that the flat part 10 of 1.4mm carries out punching press, interval D 1 is adjusted to 1.6mm.In addition, interval D 2 is adjusted to 2.2mm.

As shown in Figure 2, it is also possible to be, (that is, pressed using the first pressing part 11A and the second pressing part 12A before punching press starts Before flattening plate portion 10), it is formed with gap between the opposed faces 11B of flat part 10 and first and the second opposed faces 12B.Between being somebody's turn to do Gap is the gap of the degree not folded in punching press midway.In other words, the first opposed faces 11B and the second opposed faces 12B has Having do not produce the interval D 1 of folding of flat part 10 in punching press midway and mutually opposing.Here, " folding of flat part 10 " refers to, Flat part 10 bends the degree of the flowing of the material of the flat part 10 for extremely hindering to be caused by punching press, is not included in what is produced during punching press The small fluctuating of flat part 10 and the situation of the flowing for not influenceing material.

And, in punching press halfway, the first opposed faces 11B and the second opposed faces 12B contacted with flat part 10 and mutually it is right Put.But, in punching press halfway, flat part 10 is not necessarily required to be connect with the first opposed faces 11B or the second opposed faces 12B all the time Touch, and also without making the entirety of flat part 10 be contacted with the first opposed faces 11B or the second opposed faces 12B.

As shown in figure 1, supporting member 13 is the metal component being made up of rectangular shape, and with for the first mould The flat mounting surface 13A of 11 lower surface mounting.Supporting member 13 is entered with mounting surface 13A along the horizontal state of horizontal direction Row configuration, and it is fixed on the first mould 11 by fixing components such as bolt Bs.

Pressing member 18 is to make second mould 12 under vertical by pressing the upper surface 12C of the second mould 12 The component of side shifting.Pressing member 18 have press surface 18A, and by make drive division 18B act and to sidesway under vertical It is dynamic.And, upper surface 12C is pressed by using press surface 18A, thus enable that the second mould 12 to sidesway under vertical It is dynamic.

Drive division 18B is configured to be contacted with the upper surface 18C of pressing member 18.Drive division 18B have for example fluid pressure type or The DYN dynamic piston of person, and make pressing member 18 to side shifting under vertical by pressing upper surface 18C.

In above-mentioned press molding equipment 1, first, decline pressing member 18 by acting drive division 18B, thus Press surface 18A is contacted with the upper surface 12C of the second mould 12.In this condition, further declined by making pressing member 18, the To side shifting under vertical, thus the second pressing part 12A is close to the first pressing part 11A for two molds 12.And, the quilt of flat part 10 First pressing part 11A and the second pressing part 12A (schemes from direction punching press both ends 10A, 10B laterally parallel with interarea 10C, 10D 5).Thus, a part for the material of the flat part 10 on pressing direction is flowed into and thickens forming portion 15, so as to form thickened section.

Here, in above-mentioned press molding equipment 1, along with the punching press of the first pressing part 11A and the second pressing part 12A, Second opposed faces 12B is moved along the direction of punching press.In other words, the second opposed faces 12B is along the punching press side with flat part 10 Enter line slip to identical direction.Therefore, with the slip between the second interarea 10D and the second opposed faces 12B as rise thus produce Frictional force reduce, punching press strength required for the shaping of flat part 10 reduces.

[manufacture method of stamping part]

Next, the flow chart shown in reference picture 3, to involved by the present embodiment using above-mentioned press molding equipment 1 The manufacture method of stamping part illustrate.First, implement to prepare the operation S10 of component of being stamped.In operation S10 In, prepare constant metallic plate of thickness of slab etc. including the component that is stamped including flat part 10, heated with set point of temperature in electric furnace F (Fig. 4).Thus, flat part 10 is overall turns into the state for softening.In the present embodiment, by so making flat board using heating Portion 10 is overall soften in the state of the drop stamping that shapes manufacture stamping part.It should be noted that the invention is not restricted to heat The situation of punching press, can also omit operation S10 in the case of cold rolling processing.

Next, implementing to set the operation S20 of the component that is stamped.In operation S20, will be soft by above-mentioned operation S10 Flat part 10 after change is arranged between the first mould 11 and the second mould 12 (Fig. 1).More particularly, flat part 10 is set, To cause the first interarea 10C with opposed with the first opposed faces 11B along the state of vertical, and the second interarea 10D is with edge The state for vertical is opposed with the second opposed faces 12B.Here, the first opposed faces 11B and the second opposed faces 12B are in punching press Midway contacts and mutually opposing with flat part 10, to cause not folded in stamping procedure S30 middle plateforms portion 10 described later.

Next, implementing to carry out the component that is stamped the operation S30 of punching press.In operation S30, first, by making drive Dynamic portion 18B is acted and is declined pressing member 18, press surface 18A is contacted with the upper surface 12C of the second mould 12.And, lead to Crossing makes pressing member 18 further decline and press the upper surface 12C of the second mould 12, under thus making the second mould 12 Drop, makes the second pressing part 12A close to the first pressing part 11A.Thus, will be put down using the first pressing part 11A and the second pressing part 12A Plate portion 10 is from direction punching press both ends 10A, 10B laterally parallel with interarea 10C, 10D.And, the flat part on pressing direction A part for 10 material is flowed into and thickens forming portion 15 (arrow in Fig. 5), and the position of heavy wall is formed with the flat part 10 That is thickened section.Afterwards, the moment for being contacted with the upper surface 11F of the first mould 11 in press surface 18A stops the dynamic of drive division 18B Make.

In operation S30, the punching press along with the first pressing part 11A and the second pressing part 12A to flat part 10, the Two opposed faces 12B are moved (slip) along the direction of punching press.In other words, the second opposed faces 12B is rushed along with flat part 10 The direction identical direction movement of pressure.Thereby, it is possible to reduce in punching press because between the second interarea 10D and the second opposed faces 12B Slip and the frictional force that produces, so as to shape flat part 10 with smaller punching press strength.

In addition, the first opposed faces 11B and the second opposed faces 12B is contacted and mutually opposing in punching press midway with flat part 10. Therefore, flat part 10 will not be made to occur to fold and make the flow direction of material become uneven in punching press, flat part can be made 10 material thickens forming portion 15 and reliably flows from both ends 10A, 10B direction.Thereby, it is possible to be formed along thickening forming portion The thickened section of the desired shape of 15 shape.

Finally, the operation S40 of the stamping part of taking-up is implemented.In operation S40, complete flat in above-mentioned operation S30 Plate portion 10 it is stamping after, by make drive division 18B act and pressing member 18 is increased.Then, take out and be formed with increasing The stamping part 100 (Fig. 6) of thick portion 100A.Operation S10~S40 more than, completes rushing involved by present embodiment The manufacture method of pressing formation part.

[action effect]

Next, being illustrated to the feature structure and action effect of above-mentioned press molding equipment 1.

Above-mentioned press molding equipment 1 possesses：First pressing part 11A, the second pressing part 12A, the first opposed faces 11B, second Opposed faces 12B, make the first pressing part 11A and the second pressing part 12A drive division 18B close to each other.On the first opposed faces 11B Be formed with the position for forming heavy wall on flat part 10 thickens forming portion 15.First opposed faces 11B and second opposed Face 12B is contacted and mutually opposing in punching press midway with flat part 10.Thicken forming portion 15 to be configured to, using the first pressing part 11A And second pressing part 12A punching press is carried out to flat part 10 so that a part for the material for the flat part 10 on pressing direction Flow into.Second opposed faces 12B is configured to, the punching press along with the first pressing part 11A and the second pressing part 12A to flat part 10 And moved along the direction of punching press.

It is close to each other and right along with the first pressing part 11A and the second pressing part 12A in above-mentioned press molding equipment 1 Flat part 10 carries out punching press, and the second opposed faces 12B can be made to be moved along the direction of punching press.Therefore, it is right not make with as in the past Put face movement and compared with the situation that fixed state carries out punching press, can further reduce because of the second interarea 10D and second pair The frictional force put the slip between the 12B of face and produce.As a result, required punching press strength can further be reduced.

The chart of Fig. 7 shows to carry out the load that punching press is brought while opposed faces are moved as in the present embodiment The effect of reduction.In the graph in figure 7, " 1 " is shown respectively and does not make opposed faces movably carry out shaping in the case of punching press to bear Carry and pressing load value, " 2 " show to be carried out while opposed faces are moved forming load in the case of punching press and Press the value of load." forming load " is the stamping required load of flat part 10, between " pressing load " is mould The load of gap fixation.From the chart, by carrying out punching press while opposed faces are moved, moved with opposed faces are not made Dynamic situation is compared, and forming load is significantly reduced (reduce to about 1/10).

In addition, in above-mentioned press molding equipment 1, using the first pressing part 11A and the second pressing part 12A to flat part 10 Punching press is carried out, a part for the material of the flat part 10 on pressing direction is flowed into and is thickened forming portion 15, thus, it is possible in flat board The position that heavy wall is formed in portion 10 is thickened section 100A.Here, the first opposed faces 11B and the second opposed faces 12B in punching press halfway Contacted with flat part 10 and mutually opposing, therefore, it is possible to suppress to make the flowing of material because flat part 10 occurs to fold in punching press The uneven homogenized situation in direction.That is, the flowing control of material can be realized.Therefore, it is possible to make flat part 10 material reliably Inflow thickens forming portion 15, can form the thickened section 100A of desired shape.

In above-mentioned press molding equipment 1, the first pressing part 11A and the first opposed faces 11B is located at the mould of identical first 11, the second pressing part 12A and the second opposed faces 12B are located at the second mould of identical 12.Thus, with by the first pressing part 11A and First opposed faces 11B is located at different components and the second pressing part 12A and the second opposed faces 12B is located at into different components Situation compare, can further simplify the construction of press molding equipment 1.

In above-mentioned press molding equipment 1, the first opposed faces 11B and the second opposed faces 12B is configured along vertical. Thus, compared with the situation that the first opposed faces 11B and the second opposed faces 12B are configured along horizontal direction, punching press can be reduced The setting area of building mortion 1 such that it is able to realize space saving.

[the first variation]

Next, reference picture 8 and Fig. 9, to the press molding equipment 1A of the first variation of above-mentioned first embodiment Illustrate.In the press molding equipment 1A of the first variation, the opposed portion 11C and guide portion 11D of the first mould 11 are set to Independently of one another.In addition, pressing member 18 has：Main part 18D with the upper surface 18C for drive division 18B contacts；And it is solid Due to the press section 18E of the lower surface 18G of main part 18D.Press section 18E have be fixed on by fixing components such as bolt Bs The shape that the press section main body 18H and the first press section 18F of lower surface 18G and the second press section 18I are connected with each other.Press Splenium 18E has the shape for making U-shaped invert up and down under section view.

Press section main body 18H has the press surface 18J of the upper surface 12C of the second mould 12 of pressing.First press section 18F and Second press section 18I extends from the both ends of the horizontal direction in press section main body 18H to vertical downside.

The first inner surface 18K is formed with the inside of the first press section 18F, is formed with the inside of the second press section 18I Second inner surface 18L.Horizontal range between first inner surface 18K and the second inner surface 18L is than (the opposed portion of the first mould 11 Horizontal range 11C) and between the side of the second mould 12 is bigger.Therefore, as shown in figure 9, declining pressing member 18 and When carrying out punching press to flat part 10, the first mould 11 (opposed portion 11C) and the second mould 12 can be made to be located at the first press section Between 18F and the second press section 18I.Thereby, it is possible to the first mould 11 for being more reliably prevented from during punching press and the second mould 12 Position offsets.

(second embodiment)

Next, 10~Figure 12 of reference picture, press molding equipment 2 to second embodiment of the present invention and strike out The manufacture method of shape part is illustrated.It should be noted that in this second embodiment, only pair with above-mentioned first embodiment not Same part is described in detail.

[structure of press molding equipment]

Press molding equipment 2 has the first mould 21, the second mould 22, supporting member 26 and drive division 28B.First mould Tool 21 is made up of approximately parallelepiped body shape, and with the first opposed faces 21B opposed with the first interarea 10C, towards with this first The first side 21C in the opposed faces 21B opposite direction and first pressing part 21A opposed with first end 10A.So, One pressing part 21A and the first opposed faces 21B is located at the first mould of identical 21.First mould 21 is by fixing components such as bolt Bs And the stationary plane 26A of supporting member 26 is fixed in first side 21C.

The upper end of the first opposed faces 21B is connected with upper surface 21F, and the first opposed faces 21B is configured along vertical. First pressing part 21A is connected with the lower end of the first opposed faces 21B, and with the mode at an acute angle with first opposed faces 21B with First opposed faces 21B intersects.Make the material of flat part 10 when the center of the first opposed faces 21B is formed about by punching press The groove-like that a part for material is flowed into and forms thickened section thickens forming portion 25.

Second mould 22 has：Second die main body 28；And the mould being connected with the upper surface of the second die main body 28 Fixing component 29.Second die main body 28 is from size from space 26B to the mould formed in supporting member 26 that can be inserted with Rectangular shape constitute.Second die main body 28 has：The second opposed faces 22B opposed with the second interarea 10D；Towards and this The second side 22C in the second opposed faces 22B opposite direction；And the second pressing part 22A opposed with the second end 10B.This Sample, the second pressing part 22A and the second opposed faces 22B are located at the second mould of identical 22.The upper end and second of the second opposed faces 22B Pressing part 22A is connected, and the second opposed faces 22B is configured along vertical.Second pressing part 22A with the second opposed faces 22B into The mode of acute angle is intersected with second opposed faces 22B.Mould fixing component 29 has the width roughly the same with supporting member 26, And the upper surface of the second die main body 28 is fixed on by bolt B.

Second die main body 28 is configured to, in the case where the state of mould space 26B (Figure 11) is inserted into, the second opposed faces 22B is opposed with the first opposed faces 21B in the horizontal direction across flat part 10, and the second pressing part 22A is across flat part 10 It is opposed with the first pressing part 21A in vertical.Thereby, it is possible to flat part 10 is configured at into the first mould 21 and the second mould Between 22.Now, the first opposed faces 21B and the second opposed faces 22B is contacted and mutually opposing in punching press midway with flat part 10.Separately Outward, the second die main body 28 guides the movement in vertical by making second side 22C be contacted with guide reel 27.

Supporting member 26 be formed with for the second die main body 28 insertion concave mould space 26B it is metal Component.Supporting member 26 has：For the stationary plane 26A that the first mould 21 is fixed；With lower surface 22D pairs of the second die main body 28 The bottom surface 26C for putting；And it is configured with the guide surface 26D of multiple guide reels 27.

Drive division 28B is configured to be contacted with the upper surface 29A of mould fixing component 29.Drive division 28B is real with above-mentioned first Applying mode similarly has fluid pressure type or DYN dynamic piston, and the second mould 22 is made to vertical by pressing upper surface 29A Side shifting under direction.

[manufacture method of stamping part]

Next, being illustrated to the manufacture method of the stamping part using above-mentioned press molding equipment 2.First, it is accurate It is standby turned into by heating soft state including the component (Fig. 3 that is stamped including flat part 10：S10).Next, second Mould 22 is located under the state (Figure 10) of the top of the first mould 21, and flat part 10 is arranged at into the first mould 21.And, pass through Drive division 28B is set to act and decline the second mould 22, to cause that the insertion mould of the second die main body 28 uses space 26B, so that The second pressing part 22A is set to be contacted with the second end 10B (Figure 11).Thus, the component that is stamped is set, to cause the first interarea 10C It is opposed with the first opposed faces 21B, and the second interarea 10D (Fig. 3 opposed with the second opposed faces 22B：S20).Now, flat part 10 As the first interarea 10C and the second interarea 10D along vertical state.In addition, the first opposed faces 21B and the second opposed faces 22B is mutually opposing, to cause to be contacted with flat part 10 in punching press midway.

Next, making the second mould 22 further decline by acting drive division 28B, depend on the second pressing part 22A Nearly first pressing part 21A.Thus, using the first pressing part 21A and the second pressing part 22A by flat part 10 to interarea 10C, 10D parallel direction punching press a, part for the material of flat part 10 is flowed into and thickens forming portion 25 (Figure 12).Thus, in flat part 10 part is formed with position i.e. thickened section (Fig. 3 of heavy wall：S30).Now, it is same with above-mentioned first embodiment, it is adjoint The punching press of the first pressing part 21A and the second pressing part 22A to flat part 10, the second opposed faces 22B is carried out along the direction of punching press It is mobile.Then, after the punching press for completing flat part 10, the second mould 22 is made to increase by acting drive division 28B, so that Take out stamping part (Fig. 3：S40).

In the above-described 2nd embodiment, it is same with above-mentioned first embodiment, along with using the first pressing part 21A with And second pressing part 22A punching press carried out along vertical to flat part 10, the second opposed faces 22B is moved along the direction of punching press. Therefore, the frictional force that is produced by the slip between the second interarea 10D and the second opposed faces 22B in punching press reduces, can be with Smaller punching press strength shapes flat part 10.In addition, the first opposed faces 21B and the second opposed faces 22B punching press midway with Flat part 10 is contacted and mutually opposing, therefore causes the flowing of the material of flat part 10 the folding that will not occur when in punching press Direction inequality is homogenized such that it is able to the material direction of flat part 10 is thickened forming portion 25 and is reliably flowed.In addition, above-mentioned In two implementation methods, because the first side 21C for forming the first mould 21 is fixed on supporting member 26 and the second mould 22 (the second die main body 28) is inserted into the mould structure of space 26B of supporting member 26, therefore, it is possible to be more reliably prevented from punching The position skew of the first mould 21 and the second mould 22 during pressure.

[the first variation]

Next, reference picture 13 and Figure 14, to the press molding equipment of the first variation of above-mentioned second embodiment 2A is illustrated.The press molding equipment 2A of the first variation is also equipped with the interim pressing member for preventing planar plate members 10 from toppling over 26E。

Press molding equipment 2A has laminal a pair interim pressing member 26E.As shown in figure 14, interim pressing member 26E is installed on the insert region position in the outer part than the second mould 22.Interim pressing member 26E has from lower end towards upper end The elongated shape of extension, upper end bends to the direction away from flat part 10, and is installed on by fixture 26F at the lower end Supporting member 26.Interim pressing member 26E is contacted by with the second interarea 10D in the both ends of flat part 10, so as to support Flat part 10, to maintain the first interarea 10C and the second interarea 10D along the state of vertical.

In above-mentioned press molding equipment 2A, first, it is configured with flat between the first mould 21 and interim pressing member 26E Plate portion 10.Here, flat part 10 is supported by interim pressing member 26E, thus the first interarea 10C and the second interarea 10D are maintained It is along the longitudinal state of vertical.Afterwards, the second mould 22 (the second die main body 28) is inserted into mould space 26B, Flat part 10 is configured between the first mould 21 and the second mould 22.So, by using interim pressing member 26E, even if In the state of before flat part 10 is configured between the first mould 21 and the second mould 22, it is also possible to by flat part 10 stably Support as that will not topple over.

[the second variation]

Next, reference picture 15 and Figure 16, to the press molding equipment of the second variation of above-mentioned second embodiment 2B is illustrated.The press molding equipment 2B of the second variation possesses the material of the flat part 10 that forming portion 25A is thickened to being flowed into Material assigns the back pressure assigning unit 25E of pressure.

The hole run through in the horizontal direction is formed with the substantial middle of the first mould 21 thicken forming portion 25A.In supporting Through hole 26G is formed with component 26, through hole 26G is connected with forming portion 25A is thickened.

Back pressure assigning unit 25E has cushion part 25B, elastic component 25C and support 25D.Cushion part 25B is by convex form Constitute, and configuration is being thickened in forming portion 25A.Elastic component 25C by for being constituted to the spring that cushion part 25B is exerted a force, And configuration is in through hole 26G.Elastic component 25C is configured between cushion part 25B and support 25D, and two ends can be with pad Portion 25B and support 25D is connected, it is also possible to be not connected with cushion part 25B and support 25D.Support 25D is fixed to It is integrally formed with supporting member 26.

When punching press is carried out to flat part 10 using the first pressing part 21A and the second pressing part 22A, the flat part 10 Material compressed against gasket portion 25B and elastic component 25C is compressed and is flowed into and thicken in forming portion 25A.Here, be flowed into thicken to be formed Material in portion 25A is endowed the recuperability of elastic component 25C via cushion part 25B.In other words, the material of flat part 10 exists Flowed into while assigning pressure by back pressure assigning unit 25E and thickened in forming portion 25A.Thus, carrying out punching press to flat part 10 and During material inflow is thickened forming portion 25A, flat part 10 can be more efficiently prevented from and produce folding.

(the 3rd implementation method)

Next, 17~Figure 19 of reference picture, press molding equipment 3 to third embodiment of the present invention and strike out The manufacture method of shape part is illustrated.It should be noted that in the third embodiment, only pair with above-mentioned first embodiment not Same part is described in detail.

[structure of press molding equipment]

Press molding equipment 3 have the first mould 33, the first mould 33 upside configure the second mould 34, for first Supporting member 39, pressing member 38 and drive division 38B that mould 33 is loaded.First mould 33 is by the first cutting part 31 and is somebody's turn to do The second cutting part 32 that first cutting part 31 is individually formed is constituted.First cutting part 31 and the second cutting part 32 are in the horizontal direction It is opposed to configuration.

First cutting part 31 has：It is pressed the first pressed portion 31D of the pressing of component 38；Punching press is carried out to flat part 10 The first punching press position 31E；And for the first mounting portion 31F of the mounting of flat part 10.In the top shape of the first pressed portion 31D Face 31C is pressed into having pressed by the first press surface 38F first.It is formed with and flat board in the sidepiece of the first punching press position 31E The the first first end 10A in portion 10 opposed pressing part 31A.It is formed with and flat part 10 on the top of the first mounting portion 31F The first first interarea 10C opposed opposed faces 31B.

Second cutting part 32 has the shape symmetrical with the first cutting part 31.That is, the second cutting part 32 has：It is pressed structure Second pressed portion 32D of the pressing of part 38；The second punching press position 32E of punching press is carried out to flat part 10；And supply flat part 10 Second mounting portion 32F of mounting.The second quilt pressed by the second press surface 38G is formed with the top of the second pressed portion 32D Press surface 32C.Second punching press opposed with the second end 10B of flat part 10 is formed with the sidepiece of the second punching press position 32E Portion 32A.The first opposed faces 32B opposed with the first interarea 10C of flat part 10 is formed with the top of the second mounting portion 32F. In addition, the first opposed faces 31B, 32B are configured with along (with horizontal direction parallel) of horizontal direction horizontal state.

First mounting portion 31F and the second mounting portion 32F have intermeshing comb shape respectively.That is, as in Figure 17 (B) Shown in arrow, by making the first mounting portion 31F and the second mounting portion 32F close to each other, the comb of the first mounting portion 31F is inserted into The gap between comb in second mounting portion 32F, the comb of the second mounting portion 32F is inserted into the comb in the first mounting portion 31F Between gap.

Second mould 34 is made up of approximately parallelepiped body shape, and with opposed with the second interarea 10D of flat part 10 Two opposed faces 34B.Second opposed faces 34B is configured with along (with horizontal direction parallel) of horizontal direction horizontal state. What the center of two opposed faces 34B was formed about fluted shape thickens forming portion 35, by the material for making flat part 10 in punching press A part flow into thicken forming portion 35, the position that heavy wall can be formed on flat part 10 is thickened section.In addition, in flat part 10 are configured under the state (Figure 18) between the first mould 33 and the second mould 34, the first opposed faces 31B, 32B and second pair Face 34B is put to be contacted with flat part 10 and mutually opposing in punching press midway.

Supporting member 39 is used to load the first mould 33, and is the metal component of rectangular shape.In supporting member 39 upper surface is configured with multiple guide reels 37, thus enables that the first cutting part 31 and the second cutting part 32 are slided in the horizontal direction It is dynamic.

Pressing member 38 is to make the first cutting part 31 and second by pressing the first cutting part 31 and the second cutting part 32 The component that cutting part 32 is slided in the horizontal direction.Pressing member 38 has the main part 38A and fixation contacted with drive division 38H In the press section 38B of the lower surface of main part 38A.Press section 38B has the lower surface that main part 38A is fixed on by bolt B Press section main body 38C and the shape that is connected with each other of the first extended portion 38D and the second extended portion 38E.With The press section after the cut-out of face including width (left and right directions of Figure 17 (B)) and vertical including flat part 10 The section of 38B has the shape for making U-shaped invert up and down.The lower surface of press section main body 38C by multiple (two) springs 36 with The upper surface connection of the second mould 34.The first of the first cutting part 31 of pressing is formed with the front end of the first extended portion 38D Press surface 38F, the second press surface 38G of the second cutting part 32 of pressing is formed with the front end of the second extended portion 38E.

Drive division 38H is configured to the upper surface with pressing member 38 (main part 38A).Drive division 38H and above-mentioned One implementation method similarly has fluid pressure type or DYN dynamic piston, and is made pressing by being pressed pressing member 38 Component 38 is to side shifting under vertical.

[manufacture method of stamping part]

Next, being illustrated to the manufacture method of the stamping part using above-mentioned press molding equipment 3.First, it is accurate It is standby by be heated as soft state including the component (Fig. 3 that is stamped including flat part 10：S10).

Next, under the second mould 34 state (Figure 17) above, by flat part 10 with the first interarea 10C directions The state of downside is configured on the first cutting part 31 and the second cutting part 32 (Figure 17).Next, being acted by making drive division 38H And declining pressing member 38, the second mould 34 for being fixed on the pressing member 38 similarly declines.Thus, such as Figure 18 (A) institute Show, flat part 10 is set, to cause the first interarea 10C opposed with the first opposed faces 31B, 32B, and the second interarea 10D and the Two opposed (Fig. 3 of opposed faces 34B：S20).Now, the first opposed faces 31B, 32B and the second opposed faces 34B with punching press midway with The mode of the contact of flat part 10 is mutually opposing.

Next, pressing member 38 is further declined by acting drive division 38H, the first press surface 38F and the Two press surface 38G are pressed face 31C and second with first and are pressed face 32C and contact (Figure 19 (A)) respectively.In this condition, lead to Crossing makes pressing member 38 further decline, and the first press surface 38F is pressed on the 31C of face slip first on one side, while making first Cutting part 31 to the Slideslip of the second cutting part 32, the second press surface 38G while second be pressed on the 32C of face slide, while making Second cutting part 32 is to the Slideslip of the first cutting part 31.Thus, the first cutting part 31 and the second cutting part 32 are with the comb of a side Front end be connected to the mode of depression between the comb of the opposing party close to (Figure 19 (B)).So, the first cutting part 31 and second point Cut portion 32 to approach, thus make the first pressing part 31A and the second pressing part 32A close to each other, flat part 10 is from both ends 10A, 10B Side is stamped in the horizontal direction.Thus, a part for the material of the flat part 10 on pressing direction is flowed into and thickens forming portion 35, and The position i.e. thickened section of heavy wall is formed with flat part 10.

In the stamping procedure, punching press of first cutting part 31 along with the first pressing part 31A to flat part 10, to this The direction (direction in figure from left to right) of the punching press of one pressing part 31A is mobile.In addition, the second cutting part 32 is along with the second punching Punching presses of the splenium 32A to flat part 10, moves to the direction (direction in figure from right to left) of the punching press of second pressing part 32A It is dynamic.Therefore, the first opposed faces 31B is moved along with the punching press of flat part 10 to the direction of the punching press of the first pressing part 31A, and And second opposed faces 32B along with punching press from the punching press of flat part 10 to the second pressing part 32A direction move.And, Complete after the punching press of flat part 10, the mould 34 of pressing member 38 and second is increased by acting drive division 38B, from And take out stamping part (Fig. 3：S40).

In the above-described 3rd embodiment, the first cutting part 31 and the second cutting part 32 are divided into by by the first mould 33 And make these components close to each other, can be using the first pressing part 31A and the second pressing part 32A respectively to the first of flat part 10 End 10A and the second end 10B carry out punching press.Therefore, it is possible to make the first opposed faces 31B and the first opposed faces 32B with first Each pressing direction identical mode of pressing part 31A and the second pressing part 32A is moved round about each other.As a result, energy It is enough more effectively to reduce the frictional force produced between the first interarea 10C and the first opposed faces 31B, 32B, can further reduce Punching press strength.Further, since the first cutting part 31 and the second cutting part 32 have intermeshing comb shape, therefore, it is possible to The state of stable support flat part 10 carries out stamping.

[the first variation]

Next, 20~Figure 22 of reference picture, the first variation to above-mentioned 3rd implementation method is illustrated.Become first In the press molding equipment 3A of shape example, in the second opposed faces 34B, multiple (two) thicken forming portion 35 spaced apart from each other Formed.Thus, punching press is carried out to flat part 10 by using the first pressing part 31A and the second pressing part 32A, flat part can be made 10 material separately flows into multiple and thickens forming portion 35 (Figure 22 (A)), can manufacture the stamping part of more complicated shape.

It should be noted that respectively thicken the shape of forming portion 35, size can be mutually identical, it is also possible to different.In addition, increasing The mutual interval of thick forming portion 35 can also be consistent with the shape of stamping part ground suitable design.

[the second variation]

Next, reference picture 23 and Figure 24, the second variation to above-mentioned 3rd implementation method is illustrated.Second becomes The press molding equipment 3B as illustrated by the second variation of above-mentioned second embodiment of shape example, with to being flowed into increasing The material of the flat part 10 of thick forming portion 35A assigns the back pressure assigning unit 35D of pressure.

It is formed about poroid thickening forming portion 35A in the center of the second opposed faces 34B.Back pressure assigning unit 35D has Cushion part 35B and elastic component 35C.Cushion part 35B is made up of convex form, and configuration is being thickened in forming portion 35A.Elastic component 35C is constituted by the spring that cushion part 35B is exerted a force, and one end is connected and the other end and the second mould 34 with cushion part 35B Wall surface of the hole is connected.

As shown in figure 24, when punching press is carried out to flat part 10 using the first pressing part 31A and the second pressing part 32A, should The material of flat part 10 is flowed into while cushion part 35B is pressed and thickened in forming portion 35A.Here, be flowed into thickening forming portion Material in 35A is endowed the recuperability of elastic component 35C via cushion part 35B.In other words, the material of flat part 10 exists Flowed into while assigning pressure by back pressure assigning unit 35D and thickened in forming portion 35A.Thus, flow into the material of flat part 10 During thickening forming portion 35A, flat part 10 can be more efficiently prevented from and produce folding.

[the 3rd variation]

Next, reference picture 25 and Figure 26, the 3rd variation to above-mentioned 3rd implementation method is illustrated.The 3rd In the press molding equipment 3C of variation, the first cutting part 31 and the second cutting part 32 are interconnected by spring 33A.

First cutting part 31 has：(Figure 25 (B)) is overlooked in the first mounting portion 31G of quadrangle, from the first mounting portion 31G The first protuberance 31H for being provided projectingly of side.The first opposed faces 31B is formed with the top of the first mounting portion 31G.First dashes forward Go out portion 31H to be set to form step difference (Figure 25 (A)) relative to the first mounting portion 31G, to cause that surface is located at than first pair thereon The face 31B of putting positions on the lower.

Second mounting of second cutting part 32 with the quadrangle smaller than the first mounting portion 31G of (25 (B)) area under overlooking Portion 32G.The first opposed faces 32B is formed with the top of the second mounting portion 32G.In addition, in being formed with the second cutting part 32 Empty portion 32H, can insert the first protuberance 31H to hollow bulb 32H.In other words, hollow bulb 32H is formed must protrude than first Portion 31H is big.Flat part 10 is placed in the first opposed faces 31B, 32B in the way of across the first cutting part 31 and the second cutting part 32 Upper (Figure 25 (A)).

So, the first cutting part 31 and the second cutting part 32 are interconnected using spring 33A, thus, it is possible to more reliably Fix the position relationship of the first cutting part 31 and the second cutting part 32.In addition, being configured to insert by by the first protuberance 31H Enter hollow bulb 32H, movement that can be in punching press to the first cutting part 31 and the horizontal direction of the second cutting part 32 is guided.

[the 4th variation]

Next, reference picture 27 and Figure 28, the 4th variation to above-mentioned 3rd implementation method is illustrated.The 4th In the press molding equipment 3D of variation, the first cutting part 31 have overlook under (Figure 27 (B)) in the of approximate right angle triangle One mounting portion 31I.The first opposed faces 31B is formed with the top of the first mounting portion 31I.In addition, the second cutting part 32 has bowing (Figure 27 (B)) is in the second mounting portion 32I of the approximate right angle triangle symmetrical with the first mounting portion 31I depending under.In the second mounting The top of portion 32I is formed with the first opposed faces 32B.By making the first mounting portion 31I and the second mounting portion 32I close to each other, directly Inclined-plane 31J, 32J of angle triangle are contacted each other, are formed and are overlooked the lower mounting surface (Figure 28) in quadrangle.Above-mentioned such Variation in, the situation with the comb shape illustrated by above-mentioned 3rd implementation method is same, can be with stably bearing flat plate The state in portion 10 carries out punching press.

It should be noted that the shape of the first cutting part 31 and the second cutting part 32 is not limited to comb teeth shape as described above Shape, right angled triangle etc..Specifically, when making flat part 10 be formed with thickened section by punching press, as long as first The shape that the cutting part 32 of cutting part 31 and second is mutually repeated at least a portion of pressing direction, can use various shapes Shape.

In addition, using in the case of comb shape, being not limited to as shown in Figure 19 (B), comb is complete each other at the end of punching press Full situation about being close to.For example, as shown in figure 29, it is also possible to have in the external region R in a pair of meshing portion at the end of with punching press There is the space S of the degree for not making material flow into and will not also fold in forming process.

(the 4th implementation method)

Next, 30~Figure 32 of reference picture, press molding equipment 4 to the 4th implementation method of the invention and strike out The manufacture method of shape part is illustrated.It should be noted that in the 4th implementation method, only pair with above-mentioned first embodiment not Same part is described in detail.

[structure of press molding equipment]

Press molding equipment 4 has the first mould 41, the second mould 42, anti-mold releasing member 43, pressing member 48 and drives Dynamic portion 48B.

First mould 41 has：It is pressed the first pressed portion 41D of the pressing of component 48；Punching press is carried out to flat part 10 First punching press position 41E；And for the first mounting portion 41F of the mounting of flat part 10.Formed on the top of the first pressed portion 41D There is pressed by the first press surface 48F first to be pressed face 41C.In addition, the first pressed portion 41D located at paper nearby side and Inboard this two side.First punching press opposed with the first end 10A of flat part 10 is formed with the sidepiece of the first punching press position 41E Portion 41A.The first opposed faces 41B opposed with the first interarea 10C of flat part 10 is formed with the top of the first mounting portion 41F. So, the first pressing part 41A and the first opposed faces 41B is located at the first mould of identical 41.First opposed faces 41B is with along level The mode in direction is configured with horizontal state, the first pressing part 41A with the mode at an acute angle relative to the first opposed faces 41B and this The end connection of one opposed faces 41B.In addition, be formed with groove-like on the first opposed faces 41B thickens forming portion 45, this is thickened Forming portion 45 by punching press for flat part 10 material a part flow into and on the flat part 10 formed heavy wall portion Position.

Second mould 42 is configured on the first mould 41, and with the construction substantially symmetric with first mould 41.That is, Two molds 42 have：It is pressed the second pressed portion 42D of the pressing of component 48；The second pressing part of punching press is carried out to flat part 10 Position 42E；And the second opposed portion 42F opposed with flat part 10.It is formed with by the second press surface on the second pressed portion 42D The second of 48G pressings is pressed face 42C.In addition, the second pressed portion 42D is located at the nearby side of paper and inboard this two side. The sidepiece of the second punching press position 42E is formed with the second pressing part 42A opposed with the second end 10B of flat part 10.Second The bottom of opposed portion 42F is formed with the second opposed faces 42B opposed with the second interarea 10D of flat part 10.So, the second punching press Portion 42A and the second opposed faces 42B is located at the second mould of identical 42.Second opposed faces 42B in the way of along horizontal direction with Horizontal state configuration, the second pressing part 42A is with the mode at an acute angle relative to the second opposed faces 42B and second opposed faces 42B End connection.

First opposed faces 41B and the second opposed faces 42B is contacted and mutually opposing in punching press midway with flat part 10.Separately Outward, multiple guide reels 47 are configured with the bottom of the second mould 42, can make second mould 42 on the first mould 41 along water Square to slip.

Anti- mold releasing member 43 is the component for suppressing the demoulding of the first mould 41 and the second mould 42, and with encirclement The quadrangle of the first mould 41 and the second mould 42.Anti- mold releasing member 43 have positioned at the second mould 42 upside position and Positioned at the position of the downside of the first mould 41, the demoulding is prevented by vertically clamping the first mould 41 and the second mould 42.Separately Outward, anti-mold releasing member 43 has inside upper surface 43A and inside bottom surface 43B, and multiple is configured with inside upper surface 43A Upside guide reel 47A, is configured with guide reel 47B on the downside of multiple on inside bottom surface 43B.In first mould 41, upper surface 41G Contacted with upside guide reel 47A, lower surface 41H is contacted with downside guide reel 47B, thus, it is possible to slide in the horizontal direction.In addition, In second mould 42, upper surface 42G is contacted with upside guide reel 47A, and guide reel 47 is contacted with the first mould 41, thus together Can slide in the horizontal direction sample.

Pressing member 48 is to make the first mould 41 and the second mould edge by pressing the first mould 41 and the second mould 42 The component that horizontal direction is slided.Pressing member 48 has the main part 48A contacted with drive division 48H, is fixed on main part 48A's The press section 48B of lower surface.Press section 48B has the press section main body of the lower surface that main part 48A is fixed on by bolt B The shape that 48C and the first extended portion 48D and the second extended portion 48E is connected with each other.Press section 48B has The shape for making U-shaped invert up and down in section view.The first of the first mould 41 of pressing is formed with the front end of the first extended portion 48D Press surface 48F, the second press surface 48G of the second mould 42 of pressing is formed with the front end of the second extended portion 48E.In addition, First extended portion 48D and the second extended portion 48E is located at the nearby side of paper and inboard this two side.

Drive division 48H is configured to the upper surface with pressing member 48 (main part 48A).Drive division 48H and above-mentioned One implementation method similarly has fluid pressure type or DYN dynamic piston, and pressing structure is made by being pressed pressing member 48 Part 48 is to side shifting under vertical.

[manufacture method of stamping part]

Next, being illustrated to the manufacture method of the stamping part using above-mentioned press molding equipment 4.First, it is accurate It is standby by be heated as soft state including the component (Fig. 3 that is stamped including flat part 10：S10).Next, by flat part 10 are configured between the first mould 41 and the second mould 42.Thus, as shown in figure 30, the component that is stamped is set, to cause first Interarea 10C is opposed with the first opposed faces 41B and the second interarea 10D (Fig. 3 opposed with the second opposed faces 42B：S20).Now, One opposed faces 41B and the second opposed faces 42B is mutually opposing in the way of being contacted with flat part 10 in punching press midway.

Next, decline pressing member 48 by acting drive division 48H, the pressings of the first press surface 48F and second Face 48G is pressed face 41C and second with first and is pressed face 42C and contacts (Figure 31) respectively.In this condition, by making pressing structure Part 48 further declines, and the first press surface 48F is pressed on the 41C of face slip first on one side, while making the first mould 41 along water Square to slip, the second press surface 48G while second be pressed on the 42C of face slide, while making the second mould 42 along level side To slip.Thus, the first pressing part 41A and the second pressing part 42A are close to each other, and flat part 10 is from both ends 10A, 10B to water Square to being stamped.Thus, a part for the material of the flat part 10 on pressing direction is flowed into and thickens forming portion 45, in flat part Position i.e. thickened section (Fig. 3 of heavy wall is formed with 10：S30).

In the stamping procedure, the first opposed faces 41B is along with the first pressing part 41A to the punching press of flat part 10 along punching Pressure direction movement, and the second opposed faces 42B along with the second pressing part 42A to the punching press of flat part 10 along the side of punching press To movement.In other words, the first opposed faces 41B and the second opposed faces 42B this two side edge punchings along with the punching press of flat part 10 The direction movement of pressure.Therefore, it is possible to reduce what is produced by the slip between the first interarea 10C and the first opposed faces 41B simultaneously Frictional force and the frictional force produced by the slip between the second interarea 10D and the second opposed faces 42B, can further subtract Punching press strength required for the shaping in tablet portion 10.And, after the punching press for completing flat part 10, by making drive division 48H is acted and pressing member 48 is increased, so as to take out stamping part (Fig. 3：S40).

[the first variation]

Next, 33~Figure 35 of reference picture, the first variation to above-mentioned 4th implementation method is illustrated.Such as Figure 33 institutes Show, be not the shape in the first opposed faces 41B but in the second opposed faces 42B in the press molding equipment 4A of the first variation Into thickening forming portion 45.Thus, as shown in Figure 34 and Figure 35, using the first pressing part 41A and the second pressing part 42A to flat Plate portion 10 carries out punching press, thus flows into the material of flat part 10 and thickens forming portion 45, can manufacture in the second interarea 10D sides shape Into the stamping part for having thickened section.In addition, in this two square feelings into thickened section of the first interarea 10C and the second interarea 10D Under condition, it is also possible to be formed with the first opposed faces 41B and the second opposed faces 42B this two side and thicken forming portion 45.

(other embodiment)

Finally, other embodiments of the present invention are illustrated.The present invention can not only be applied to entirety as described above The component that is stamped being made up of a flat part, it is also possible to be applied in be stamped component of the part with flat part.For example, As shown in figure 36, it is also possible to be applied to the component 10E that is stamped of the bending shape with multiple (two) flat part 10F.

More particularly, press molding equipment 7 has：Mold with the first mold 71A and the second mold 71B 71；And the lower mould 72 with first time mould 72A and second time mould 72B, between the mold 71 and lower mould 72 It is configured with the component 10E that is stamped.First opposed with the first end 10A of flat part 10F is formed with the first mold 71A Pressing part 71C, is formed with the first opposed faces 71D opposed with the first interarea 10C of flat part 10F on the second mold 71B. In addition, the second opposed faces 72D opposed with the second interarea 10D of flat part 10F is formed with first time mould 72A, The second pressing part 72C opposed with the second end 10B of flat part 10F is formed with two times mould 72B.

As shown in arrow in Figure 36, declined by making the first mold 71A, rushed using the first pressing part 71C and second By flat part 10F to the direction punching press parallel with interarea 10C, 10D, the material of flat part 10F is flowed into and thickens forming portion splenium 72C 75, it has been consequently formed thickened section.Now, decline by being pressed by the first mold 71A first time mould 72A, second pair Face 72D is put to be moved along the direction of punching press.Therefore, produced because of the slip between the second interarea 10D and the second opposed faces 72D Frictional force reduce, it is same with above-mentioned first embodiment~the 4th implementation method, needed for can reducing the shaping of flat part 10F The punching press strength wanted.

In addition, it is not limited to be heated using electric furnace F the situation (Fig. 4) of the entirety of flat part 10, as shown in figure 37, it is also possible to Multiple electrodes 101 are configured on the interarea of flat part 10 at spaced intervals, is powered by the electrode 101, be formed locally heating Intensification portion 102 (Partial panel galvanization heating).And, as shown in figure 38, it is also possible to by by flat part 10 being configured at mould 91,92 Between state carry out punching press, flow into material in heat temperature raising portion 102 and thicken forming portion 95 and form thickened section.So, The part beyond the heat temperature raising portion 102 in flat part 10 is not heated and low-temperature condition is set to, thus the low temperature portion Will not soften and remain intensity state high, therefore, it is possible to further reduce mould 91,92 and flat part 10 during punching press it Between coefficient of friction.In addition, being not only Partial panel galvanization heating as described above, it is also possible to which the entirety of flat part 10 be powered to be added Heat.

Claims

1. a kind of manufacture method of stamping part, it is manufactured to being formed including the component that is stamped including flat part The method of stamping part, wherein,

The manufacture method of the stamping part possesses：

Setting process, in the operation, press molding equipment is arranged at by the component that is stamped, to cause the flat part First interarea is opposed with the first opposed faces, and direction in the flat part direction opposite with first interarea interarea I.e. the second interarea is opposed with the second opposed faces；And

Stamping procedure, in the operation, by make first pressing part opposed with the first end of the flat part and with institute Opposed the second pressing part of end i.e. the second end for stating the opposition side of the first end in flat part is close to each other, so that Punching press is carried out to the flat part,

First opposed faces and second opposed faces are contacted and mutually opposing in punching press midway with the flat part,

In the stamping procedure,

Flowed into first opposed faces and described the by making a part for the material of the flat part on pressing direction What at least one party in two opposed faces was formed thickens forming portion, so as to form the position of heavy wall on the flat part,

At least one party in first opposed faces and second opposed faces is along with first pressing part and described Second pressing part is moved to the punching press of the flat part along the direction of punching press.

2. the manufacture method of stamping part according to claim 1, wherein,

In the setting process for being stamped component described in setting, the flat part is set between two moulds, wherein, a side's Mould is provided with first pressing part and first opposed faces, and the mould of the opposing party is provided with second pressing part with described Two opposed faces.

3. the manufacture method of stamping part according to claim 1, wherein,

Mould with first opposed faces has：First cutting part；And independently of first cutting part other shape Into the second cutting part,

First pressing part is formed at first cutting part,

Second pressing part is formed at second cutting part,

In the stamping procedure, the punching press along with first pressing part to the flat part, the first cutting part edge The direction of the punching press of first pressing part moves, and the flat part is rushed along with second pressing part Pressure, second cutting part is moved along the direction of the punching press of second pressing part.

4. the manufacture method of stamping part according to claim 3, wherein,

First cutting part and second cutting part have intermeshing comb shape respectively,

In the stamping procedure, first cutting part is close to each other with second cutting part, with cause the comb that This intermeshing.

5. the manufacture method of stamping part according to claim 1, wherein,

In the setting process for being stamped component described in setting, so that first interarea and described second of the flat part Interarea sets the component that is stamped along the mode of vertical.

6. the manufacture method of stamping part according to claim 5, wherein,

In the operation for being stamped component described in setting, the flat part is supported using interim pressing member, thus maintain institute State the state of the first interarea and second interarea along vertical.

7. the manufacture method of stamping part according to claim 1, wherein,

In the stamping procedure, the material to being flowed into the flat part for thickening forming portion assigns pressure.

8. the manufacture method of stamping part according to claim 1, wherein,

The component that is stamped is formed using drop stamping.

9. a kind of press molding equipment, it is used for being formed including the component that is stamped including flat part, wherein,

The press molding equipment possesses：

First pressing part, it is opposed with the first end of the flat part；

Second pressing part, it is opposed the second end with the end of the opposition side of the first end in the flat part；

First opposed faces, it is opposed with the first interarea of the flat part；

Second opposed faces, the interarea in its direction opposite with first interarea with the direction in the flat part is the second interarea It is opposed；And

Drive division, it makes first pressing part and second pressing part close to each other, to be rushed to the flat part Pressure,

At least one party in first opposed faces and second opposed faces is formed with and thickens forming portion, and this thickens to be formed Portion forms the position of heavy wall for the part inflow of the material for the flat part on the flat part,

First opposed faces and second opposed faces are configured to, and contacts with the flat part in punching press midway and mutual right Put,

At least one party in first opposed faces and second opposed faces is configured to, along with first pressing part with And second pressing part is moved to the punching press of the flat part along the direction of punching press.

10. press molding equipment according to claim 9, wherein,

First pressing part is located at identical mould with first opposed faces,

Second pressing part is located at identical mould with second opposed faces.

11. press molding equipments according to claim 9, wherein,

First pressing part is formed at first cutting part,

Second pressing part is formed at second cutting part.

12. press molding equipments according to claim 11, wherein,

First cutting part and second cutting part have intermeshing comb shape respectively.

13. press molding equipments according to claim 9, wherein,

First opposed faces and second opposed faces are configured along vertical.

14. press molding equipments according to claim 13, wherein,

The press molding equipment possesses the interim pressing member for supporting the flat part, so as to maintain first interarea and Second interarea along vertical state.

15. press molding equipments according to claim 9, wherein,

The press molding equipment possesses the back of the body that pressure is assigned to the material for being flowed into the flat part for thickening forming portion Pressure assigning unit.