CN104507595B - The manufacture method of bent member and bender - Google Patents
The manufacture method of bent member and bender Download PDFInfo
- Publication number
- CN104507595B CN104507595B CN201280074980.9A CN201280074980A CN104507595B CN 104507595 B CN104507595 B CN 104507595B CN 201280074980 A CN201280074980 A CN 201280074980A CN 104507595 B CN104507595 B CN 104507595B
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- Prior art keywords
- straight line
- section bar
- line mould
- bending
- bending die
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
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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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The technical problem to be solved in the present invention is, provides a kind of manufacture method of the bent member that the number of times of bending machining can be made fewer than the radical of the bent member that will manufacture.The feature of the manufacture method of bent member of the present invention is, comprise: section bar preparatory process, in section bar preparatory process, prepare the raw-material rectangular goods portion (S1, S1) becoming bent member to be set up in parallel in the width direction multiple and section bar (S) that is that form; Arrangement step, in arrangement step, by section bar (S) linearly mould (1) configuration, and is fixed on the leading section of bending die (2) by section bar (S); Bending preparatory process, in bending preparatory process, utilizes the front portion of pair of rolls (4,5) to straight line mould (1) and bending die (2) to clamp; Bending operation, in bending operation, makes pair of rolls (4,5) move towards the rear portion of straight line mould (1); And return operation, returning in operation, pair of rolls (4,5) is moved towards the front portion of straight line mould (1), when carrying out returning operation, the multiple rectangular goods portion (S1, S1) bent being separated.
Description
Technical field
The present invention relates to a kind of manufacture method and bender of bent member.
Background technology
A kind of manufacture method that make use of the bent member of straight line mould and bending die is disclosed in patent document 1,2.The manufacture method of the bent member of patent document 1,2 all make use of along the straight line mould of the section bar configuration before bending machining, the bending die being configured as curved shape, the pressing member leading section of section bar being fixed on bending die and the pair of rolls clamped straight line mould and bending die.
In addition, Patent Document 1 discloses a kind of straight line mould and bending die of making relative to the manufacture method of the bent member of the mode (hereinafter referred to as " mould mobile model ") of pair of rolls relative movement, Patent Document 2 discloses a kind of pair of rolls that makes relative to the manufacture method of the bent member of the mode (hereinafter referred to as " roller mobile model ") of straight line mould and bending die relative movement.
Prior art document
Patent document
Patent document 1: Japanese Patent Laid-Open 2002 – No. 66642 publications
Patent document 2: International Publication No. 2008/102430 book
Summary of the invention
Invent technical problem to be solved
In the manufacture method of the bent member of patent document 1,2, once can only carry out bending machining to a root type material, therefore need to carry out the bending machining with the radical same number of the bent member that will manufacture.
For this viewpoint, technical problem to be solved by this invention is, provides a kind of manufacture method and bender of the bent member that the number of times of bending machining can be made fewer than the radical of the bent member that will manufacture.
The technical scheme that technical solution problem adopts
The feature of the manufacture method of bent member of the present invention is, comprising: section bar preparatory process, in section bar preparatory process, prepares the raw-material rectangular goods portion becoming bent member to be set up in parallel in the width direction multiple and section bar that is that form; Section bar arrangement step, in section bar arrangement step, by the linearly mould configuration of above-mentioned section bar, and is fixed on the bending die relative with above-mentioned straight line mould by the leading section of above-mentioned section bar; Bending preparatory process, in bending preparatory process, utilizes the front portion of pair of rolls to above-mentioned straight line mould and above-mentioned bending die to clamp; Bending operation, in bending operation, makes above-mentioned pair of rolls move towards the rear portion of above-mentioned straight line mould, or above-mentioned straight line mould and above-mentioned bending die is moved towards the front of above-mentioned pair of rolls; And, return operation, returning in operation, above-mentioned pair of rolls is moved towards the front portion of above-mentioned straight line mould, or above-mentioned straight line mould and above-mentioned bending die are moved towards the rear of above-mentioned pair of rolls, carry out above-mentioned return operation time, make the multiple above-mentioned rectangular product part that bent from.
Adopt the manufacture method of bent member of the present invention, can utilize bending operation once that multiple rectangular goods portion (becoming the raw-material part of bent member) is bent in the lump, the number of times of bending machining therefore can be made fewer than the radical of the bent member that will manufacture.In addition, make pair of rolls or box mould (straight line mould and bending die) turn back in the process of initial position by multiple rectangular product part from, therefore, it is possible to transfer to bending operation (bending operation to new section bar carries out) next time rapidly.
As above-mentioned section bar, preferred employing is provided with banded connecting portion each other and is formed with the section bar of groove along the both side edges of this connecting portion in above-mentioned rectangular goods portion, or is provided with banded connecting portion in above-mentioned rectangular goods portion each other and this connecting portion is formed as the section bar thinner than above-mentioned rectangular goods portion.When using this section bar, carry out above-mentionedly returning operation with the state abutted with above-mentioned connecting portion at the chien shih cutter of above-mentioned pair of rolls, carry out above-mentioned return operation time above-mentioned connecting portion is excised, thus by the multiple above-mentioned rectangular product part that bent from better.Like this, connecting portion easily can be removed.
The feature of bender of the present invention is, comprising: straight line mould, and this straight line mould is along the section bar configuration before bending machining; Bending die, this bending die is configured as bending shape; Pressing member, above-mentioned bending die is fixed in the leading section of above-mentioned section bar by this pressing member; Pair of rolls, this pair of rolls clamps above-mentioned straight line mould and above-mentioned bending die; And cutter, this cutter is used for the above-mentioned section bar being configured in the state be between above-mentioned straight line mould and above-mentioned bending die to cut off along its length.
Adopt bender of the present invention, pair of rolls can be made to move or make straight line mould and bending die to move towards the front of pair of rolls towards the rear portion of straight line mould, thus make shape bending.In addition, owing to comprising cutter, therefore the section bar be configured between straight line mould and bending die can be split.That is, adopt bender of the present invention, a section bar can be utilized to produce multiple bent member, the number of times of bending machining therefore can be made fewer than the radical of the bent member that will manufacture.
Straight line mould and bending die are in the front and back of pair of rolls separately, but be docking between pair of rolls, become and keep the state of section bar (accommodating the state of section bar in the space formed when straight line mould docks with bending die), therefore above-mentioned tooling setup is better between above-mentioned pair of rolls.When making cutter abut with the section bar being in the state (that is, the state that misplaces not easily occurs section bar) kept by straight line mould and bending die, off-position not easily departs from, therefore, it is possible to raising machining accuracy.
Also comprise the supporting mass that above-mentioned pair of rolls is supported at bender of the present invention, and above-mentioned supporting mass is advanced along above-mentioned straight line mould or retreat driving mechanism when, utilize above-mentioned supporting mass to carry out supporting better to above-mentioned cutter.That is, in the bender of roller mobile model, the supporting mass of roller is utilized to carry out supporting to cutter better.Like this, even if do not arrange the driving mechanism making the cutter of cutter advance or retrogressing special, cutter and pair of rolls also can be made to advance in linkage or retreat, bender therefore can be made to simplify, reduce costs.
The slit extended along its length is set at above-mentioned straight line mould, and above-mentioned cutter is abutted better with above-mentioned section bar through this slit.In this case, it is desirable that above-mentioned cutter along the length direction of above-mentioned straight line mould relative to the relative movement of above-mentioned straight line mould, and can be retreated along the inward-outward direction of above-mentioned straight line mould.Like this, can easily adjust with the degree etc. that abuts of section bar cutter.
The groove extended along its length is set at above-mentioned bending die, and makes the leading section of above-mentioned cutter relative with the openend of above-mentioned groove better.When arranging groove at bending die, the place of incision (position relative with groove) being formed as section bar is not bent the state of die support, therefore, it is possible to more reliably cut off section bar.
When using the cutter that extends along the length direction of above-mentioned straight line mould as above-mentioned cutter, the front end of above-mentioned cutter is inserted between above-mentioned straight line mould and above-mentioned bending die from the end face side of above-mentioned straight line mould, and makes the front end of above-mentioned cutter better between above-mentioned pair of rolls.When using this cutter, need not arrange the slit of straight line mould, therefore the structure of straight line mould becomes simple.
Invention effect
Adopt the present invention, the number of times of bending machining can be made fewer than the radical of the bent member that will manufacture.
In addition, because the material becoming raw-material all steel billets of section bar is incomplete same, even if in a steel billet, the material at the position be extruded at first is also from different slightly in the material at position that is middle and that be finally extruded, and the heat distribution that applies etc. is not equal because of the difference to manufacture batch when manufacturing section bar, make some variation of material of the section bar of each manufacture batch, therefore, when utilizing multiple section bar to manufacture multiple bent member respectively, the elastic resilience amount that each section bar produces is unequal, the shape (curvature) of each bent member may change, but employing the present invention, because a section bar comprises multiple rectangular goods portion, therefore the elastic resilience amount that produces of each rectangular goods portion is roughly equal, and then it is roughly equal by the curvature of multiple bent members of a section bar acquisition.That is, adopt the present invention, a section bar can be utilized easily to obtain the consistent multiple bent members of curvature.
In addition, when through bending operation is different from the curvature of target with the curvature returning the bent member (the rectangular goods portion bent) that operation obtains, sometimes load is applied to bent member and the curvature of bent member is corrected, if when terminating to return operation, the curvature of multiple bent member is consistent, then can correct multiple bent member in the correction process carried out subsequently simultaneously, the operation of the curvature of rectification bent member therefore can be made to carry out efficiently.
Accompanying drawing explanation
Fig. 1 (a) to Fig. 1 (e) is the schematic sectional view of the manufacture method of the bent member representing embodiment of the present invention and the summary of bender.
Fig. 2 is the stereogram of section bar, straight line mould, bending die, pressing member and roller.
Fig. 3 (a) represents the sectional view making cutter be positioned at the state of retreating position, and Fig. 3 (b) represents the sectional view making cutter be positioned at the state of off-position.
Fig. 4 is the figure of the bender representing embodiment of the present invention, Fig. 4 (a) is top view, and Fig. 4 (b) is side view.
Fig. 5 is the fragmentary perspective cross sectional view of the bender representing embodiment of the present invention.
Fig. 6 is the enlarged front view of the bender of embodiment of the present invention.
Fig. 7 is the amplification plan view of the bender of embodiment of the present invention.
Fig. 8 (a) to Fig. 8 (c) is the schematic sectional view of the variation of the manufacture method of the bent member representing embodiment of the present invention.
Fig. 9 is the schematic sectional view of another variation of the manufacture method of the bent member representing embodiment of the present invention.
Figure 10 (a) is the sectional view of the groove representing the connecting portion both sides being formed in section bar, and Figure 10 (b) represents the sectional view connecting portion of section bar being formed as thinner situation.
Detailed description of the invention
The manufacture method of the bent member of embodiment of the present invention as shown in Figure 1, utilizes bender B to implement, and comprising: section bar preparatory process, in section bar preparatory process, prepares section bar S; Section bar arrangement step, in section bar arrangement step, makes section bar S configure along straight line mould 1, and the leading section of section bar S is fixed on (with reference to Fig. 1 (a)) on the bending die 2 relative with straight line mould 1; Bending preparatory process, in bending preparatory process, utilizes the front portion of pair of rolls 4,5 pairs of straight line moulds 1 and bending die 2 to clamp (with reference to Fig. 1 (a)); Bending operation, in bending operation, makes pair of rolls 4,5 move towards the rear portion of straight line mould 1 (with reference to Fig. 1 (b) and Fig. 1 (c)); Return operation, returning in operation, after making cutter 6 outstanding towards assigned position, under the state making cutter 6 abut with section bar S, pair of rolls 4,5 is made to move towards the front portion of straight line mould 1 (with reference to Fig. 1 (d) and Fig. 1 (e)).After having carried out returning operation, section bar S has been divided into two parts, and obtains independently two bent members.
The bender B of embodiment of the present invention comprises: the straight line mould 1 configured along the section bar S before bending machining; Be configured as the bending die 2 of curved shape; The leading section of section bar S is fixed on the pressing member 3 on bending die 2; To the pair of rolls 4,5 that straight line mould 1 and bending die 2 clamp; And for along its length by cutter 6 that the section bar S being in the state be configured between straight line mould 1 and bending die 2 cuts off.The docking when passing through between pair of rolls 4,5 of straight line mould 1 and bending die 2.
Section bar S is the extrudate of the raw-material aluminum alloy becoming two bent members, as shown in Figure 2, comprising: a pair of being set up in parallel of the width (direction orthogonal with the direction of extrusion) along extrudate rectangular goods portion S1, S1; And be arranged on the connecting portion S2 of the band shape between rectangular goods portion S1, S1.That is, section bar S has and is set up in parallel two rectangular goods portion S1 in the width direction and the cross sectional shape formed.
Rectangular goods portion S1 possesses the cross sectional shape identical with the bent member that will manufacture.Rectangular goods portion S1, S1 form by connecting portion S2 and are integrated, but after bending machining, (after returning operation) is separated, and becomes independently two bent members.
Connecting portion S2 is returning to position cut in operation.Groove S3, S3 is formed with along the length direction of section bar S in the both side edges of connecting portion S2.
When carrying out extruded to section bar S, be shaped groove S3, S3.In addition, as shown in Figure 10 (a), in the present embodiment, be formed with at the tow sides of section bar S groove S3, S3 that cross section is V-shaped respectively, but also only can form groove S3, S3 in one side.In addition, also can the section bar S ' as shown in Figure 10 (b), connecting portion S2 is formed as thinner than rectangular goods portion S1, S1.That is, also connecting portion S2 can be formed as thinner than the rectangular goods portion S1 adjacent with this connecting portion S2, form step at the intersection of rectangular goods portion S1 and connecting portion S2.
The purposes of bent member does not limit, and the bent member of present embodiment is used as the guide rail of automobile sunroof.The rectangular goods portion S1 of one side becomes the guide rail of vehicle right side, and the rectangular goods portion S1 of the opposing party becomes the guide rail of vehicle left side.
Straight line mould 1 is the mould of linearity, is configured in curved outside.The lateral surface of straight line mould 1 is configured as does not exist the concavo-convex tabular surface in local, and the medial surface of straight line mould 1 is configured as the cross sectional shape corresponding with the recess of the side of a side of section bar S and protuberance.
The slit 1a of linearity is formed at straight line mould 1.Slit 1a is the space of the band shape from the lateral surface of straight line mould 1 to medial surface, with the separation point position of section bar S, height and position (being the central portion of the short transverse of straight line mould 1 in the present embodiment) that namely connecting portion S2 is corresponding linearly the length direction of mould 1 extend.
The engagement member 13 that the straight line mould 1 of present embodiment comprises lower straight line mould 11, be configured in the upper straight line mould 12 of the upside of lower straight line mould 11 and be connected with each other the end of lower straight line mould 11 and upper straight line mould 12.
Lower straight line mould 11 is corresponding with the shape of the latter half of section bar S, and upper straight line mould 12 is corresponding with the shape of the first half of section bar S.Lower straight line mould 11 and upper straight line mould 12 sky are split into as the gap of slit 1a and arranged side by side up and down.Lower straight line mould 11 and on the end of straight line mould 12 be formed with flat part 11a, 12a.
Engagement member 13 is configured in the both ends (illustrate only end side in fig. 2) of straight line mould 1.The engagement member 13 of present embodiment is made up of the sheet material of the rectangular shape with the height dimension equal with the height dimension of straight line mould 1, overlaps on the medial surface of flat part 11a, 12a.Above projecting on the composition surface (face abutted with flat part 11a, 12) of engagement member 13 have separator 13a.In addition, engagement member 13 and flat part 11a, 12a bolted joints, but holder etc. also can be utilized to be fixed on flat part 11a, 12a, also can be engaged with flat part 11a, 12a by welding etc.
The width (gap width of lower straight line mould 11 and upper straight line mould 12) of separator 13a to slit 1a keeps.Separator 13a can with engagement member 13 be configured as one, also can with engagement member 13 independently.
Bending die 2 is the moulds machining shape (design shape) arcuation bending accordingly with bent member, clips section bar S and is configured in the side (curved interior) contrary with straight line mould 1.Consider the elastic resilience that section bar S occurs, make the ratio of curvature of bending die 2 machine the curvature of shape large.The lateral surface of bending die 2 is configured as does not exist the concavo-convex mild curved surface in local.The medial surface of bending die 2 is configured as the cross sectional shape corresponding with the recess of the side of the opposing party of section bar S and protuberance, and relative with the medial surface of straight line mould 1.After making straight line mould 1 dock with bending die 2, the medial surface of the medial surface of straight line mould 1 and bending die 2 is utilized to form the gap (just in time can receive the gap of section bar S) corresponding with the cross sectional shape of section bar S.
Groove 2a is formed at bending die 2.Groove 2a extends at the length direction of the height and position (being the central portion of the short transverse of bending die 2 in the present embodiment) corresponding with the separation point position of section bar S along bending die 2.That is, groove 2a is formed in the position (with reference to Fig. 3) relative with slit 1a.
Pressing member 3 is components of the bulk of the leading section being fixed on bending die 2.The lateral surface of pressing member 3 is configured as does not exist concavo-convex tabular surface, and the medial surface of pressing member 3 is configured as the cross sectional shape same with the medial surface of straight line mould 1.The gap be formed between the medial surface of bending die 2 and the medial surface of pressing member 3 is configured to the gap (just in time can receive the gap of section bar S) corresponding with the cross sectional shape of section bar S.
The pressing member 3 of present embodiment is made up of such as lower part, that is, the latter half of section bar S is fixed on the lower pressing member 31 on bending die 2, and the first half of section bar S is fixed on the upper pressing member 32 on bending die 2.Lower pressing member 31 and upper pressing member 32 empty standard width of a room in an old-style house unoccupied place arranged side by side up and down.The width of the gap width of lower pressing member 31 and upper pressing member 32 and the slit 1a gap width of upper straight line mould 12 (the lower straight line mould 11 with) is equal.
As shown in Figure 1, roller 4,5 in left-right direction (direction orthogonal with the length direction of straight line mould 1, with reference to Fig. 4) sky open compartment of terrain and be set up in parallel.Roller 4,5 can keep the length direction of constant state linearly mould 1 to move with both intervals.As shown in Figure 2, the roller 4 of a side has the face of cylinder with the lateral surface linear contact lay of straight line mould 1, and the roller 5 of the opposing party has the face of cylinder with the lateral surface linear contact lay of bending die 2.Pair of rolls 4,5 can be rotated centered by central axle portion 4a, 5a.Central axle portion 4a, 5a and be placed with the normal parallel of plane (upper surface of the workbench 7 shown in Fig. 3) of straight line mould 1 and bending die 2.
In addition, in the following description, sometimes the roller 4 abutted with the lateral surface of straight line mould 1 is called " stationary roll 4 ", the roller 5 abutted with the lateral surface of bending die 2 is called " mobile rollers 5 ".
Cutter 6 is configured in (with reference to Fig. 1) between pair of rolls 4,5.The cutter 6 of present embodiment is made up of the steel overlooked in arc-shaped with the thickness that can be inserted in slit 1a (with reference to Fig. 2), being inserted under the state in slit 1a and can moving the length direction of linearly mould 1.Also as shown in Fig. 3 (a), cutter 6 is inserted in the slit 1a of straight line mould 1, and the leading section 6a of cutter 6 is relative with the groove 2a of bending die 2.
The inward-outward direction (horizontal direction orthogonal with the length direction of straight line mould 1) of the cutter 6 of present embodiment linearly mould 1 is retreated, so that not outstanding from the medial surface of straight line mould 1 retreating position (with reference to Fig. 3 (a)) can be selected, and from off-position (with reference to Fig. 3 (b)) these two kinds of positions that the medial surface of straight line mould 1 is given prominence to.As shown in Fig. 3 (b), when making cutter 6 enter towards bending die 2, the leading section 6a of cutter 6 crosses section bar receiving space (being formed in the gap between the medial surface of straight line mould 1 and the medial surface of bending die 2 when straight line mould 1 docks with bending die 2) V and arrives the openend of groove 2a (with reference to Fig. 2).In addition, in Fig. 3 (b), the leading section 6a of cutter 6 is positioned at the openend of groove 2a, but leading section 6a also can be inserted in groove 2a.
With reference to Fig. 4 to Fig. 7, the structure of bender B is further described.
Bender B is except comprising straight line mould 1, bending die 2, pressing member 3, pair of rolls 4,5 and cutter 6, as shown in Fig. 4 (a), Fig. 4 (b), also comprise supporting mass 8 that the workbench 7, pair roller 4,5 and the cutter 6 that load for straight line mould 1 and bending die 2 carry out supporting and make supporting mass 8 linearly mould 1 geared motor (driving mechanism) 9 that advances or retreat.
Workbench 7 comprise stand 71 (with reference to Fig. 4 (b)), pedestal 72, guide rail 73,73, supporting leg 74,74, top board 75, rack rails (rack bar) 76 and confining part 77.
As shown in Figure 5, stand 71 is made up of the skeleton structure body formed by being combined by steel.In stand 71, guarantee there is the space accommodating geared motor 9.In addition, the structure of stand 71 is not limited to illustrated structure, can suitably change.
Pedestal 72 is arranged on stand 71.The pedestal 72 of present embodiment is opened a pair sheet material that compartment of terrain is set up in parallel formed by empty in left-right direction.Be formed in the mobile path that sheet material opening 72a is each other geared motor 9, extend along the longitudinal direction.
Guide rail 73,73 is arranged on the upper surface of pedestal 72.The guide rail 73,73 of present embodiment is configured in the both sides of the opening 72a of pedestal 72, extends along the longitudinal direction respectively.
As shown in Fig. 4 (b), supporting leg 74,74 erects the both ends of the length direction at pedestal 72, supports top board 75.The upper surface of the supporting leg 74 of rear side is provided with pole 74a.
Top board 75 is configured in the top of pedestal 72.As shown in Fig. 4 (a), the top board 75 of present embodiment is formed by overlooking the sheet material be rectangle.Straight line mould 1 and bending die 2 is placed with at the upper surface of top board 75.
As shown in Fig. 4 (b), rack rails 76 is arranged on the downside of top board 75, and linearly the length direction (fore-and-aft direction) of mould 1 extends.Rack rails 76 is fixed on the lower surface (with reference to Fig. 6) of the side edge part in the left side of top board 75.
Confining part 77 pairs of straight line moulds 1 retrain, and also as shown in Fig. 4 (a), the lateral margin along a side of top board 75 configures.The confining part 77 of present embodiment is made up of the sheet material of band shape, extends out from the end of the length direction of top board 75 towards straight line mould 1.The end side of confining part 77 is fixed on pole 74a, and the leading section of straight line mould 1 is fixed in another side of confining part 77.
Supporting mass 8 pairs of stationary rolls 4, mobile rollers 5 and cutter 6 support, as shown in Figure 5, comprise rectangular box-like framework (the first side plate 81, second side plate 82, lower plate 83 and upper plate 84), stretch out plate 85, slot component 86, roller keeper 87, clamping element 88 and cutter moving meter 89.Supporting mass 8 can along guide rail 73,73 slide anteroposterior.
First side plate 81 and the second side plate 82 also as shown in Figure 6, are configured in the left and right sides of top board 75, clip top board 75 relative.In figure 6, the first side plate 81 is configured in the left side (straight line mould 1 side) of top board 75, and the second side plate 82 is configured in the right side (bending die 2 side) of top board 75.
Lower plate 83 is configured in the below of top board 75, is connected with each other the bottom of the first side plate 81 and the second side plate 82.Sliding component 83a, 83a is fixed with at the lower surface of lower plate 83.Sliding component 83a engages with guide rail 73 sliding freely.
Upper plate 84 is configured in the top of top board 75, is connected with each other the upper end of the first side plate 81 and the second side plate 82.In addition, the supporting of the upper end of the central axle portion 4a of stationary roll 4 is rotatable by upper plate 84.Be formed at upper plate 84 and overlook rectangular guiding opening 84a (with reference to Fig. 7).
Stretch out plate 85 and be fixed on the first side plate 81, stretch out towards top board 75 from the medial surface of the first side plate 81.Stretch out plate 85 by the supporting of the bottom of the central axle portion 4a of stationary roll 4 for rotatable.Engaging groove 85a is formed at the front end face stretching out plate 85.Engaging groove 85a engages with the side edge part of top board 75 sliding freely.
Slot component 86 is fixed on the second side plate 82.Slot component 86 is formed engaging groove 86a.Engaging groove 86a engages with the side edge part of top board 75 sliding freely.
Roller keeper 87 pairs of mobile rollers 5 keep, and can move in left-right direction.The roller keeper 87 of present embodiment comprises: supported the bottom of the central axle portion 5a of mobile rollers 5 as rotatable Lower bearing portions 87a; The upper end of the central axle portion 5a of mobile rollers 5 is supported for rotatable upper support portion 87b; By the wall portion 87c that Lower bearing portions 87a is connected with upper support portion 87b; Be folded in the head rod 87d between Lower bearing portions 87a and upper support portion 87b; And be arranged on the holding section 87e of upper end of upper support portion 87b.Upper support portion 87b is inserted in the guiding opening 84a of upper plate 84.Holding section 87e stretches out to the front and back of upper support portion 87b, is positioned in the opening edge (with reference to Fig. 5 and Fig. 7) of guiding opening 84a.That is, roller keeper 87 is can the state of movement in left-right direction be supported by upper plate 84.
Clamping element 88 comprises base portion 88a, be configured in the holding section 88b of the top of base portion 88a, make the connecting bolt 88c that base portion 88a is connected with holding section 88b, be supported on the second connecting rod 88d of base portion 88a, make the elbow-bar mechanism 88e that head rod 87d is connected with the second connecting rod 88d, be arranged on the support 88f (with reference to Fig. 7) on the rear surface of base portion 88a, be supported on the clamping cylinder 88g (with reference to Fig. 7) of support 88f and the adjustment bolt 88h of the projecting side surface at base portion 88a.In addition, diagram support 88f and clamping cylinder 88g is omitted in Figure 5.
Base portion 88a has the recess of transverse opening.Holding section 88b is positioned in the opening edge of guiding opening 84a, carries out hanging holding by connecting bolt 88c to base portion 88a.
Second connecting rod 88d is configured to the recess across base portion 88a.Support 88f shown in Fig. 7 extends out toward the front from the front surface of the base portion 88a shown in Fig. 5.Clamping cylinder 88g shown in Fig. 7 is cylinder.Clamping cylinder 88g pin is engaged in the rearward end of support 88f, can rotate centered by vertical axis.The bar of clamping cylinder 88g is connected with the node (joint portions of two connecting rods) of the central authorities of elbow-bar mechanism 88e.
When making the bar of clamping cylinder 88g stretch out, the angle of the crossing of two connecting rods of elbow-bar mechanism 88e increases, and roller keeper 87 moves to stationary roll 4 side.That is, when making the bar of clamping cylinder 88g stretch out, the outer peripheral face of mobile rollers 5 abuts with the lateral surface of bending die 2.On the other hand, when making the bar of clamping cylinder 88g retreat, the angle of the crossing of two connecting rods of elbow-bar mechanism 88e reduces, and roller keeper 87 moves to the second side plate 82 side.That is, when making the bar of clamping cylinder 88g retreat, the outer peripheral face of mobile rollers 5 leaves the lateral surface of bending die 2.
The distance of separation of adjustment bolt 88h to the second sidewall 82 and base portion 88a adjusts, the screwed hole threaded engagement of adjustment bolt 88h and the second sidewall 82.
Cutter moving meter 89 is configured in the front and back of stationary roll 4.The leading section of cutter moving meter 89 pairs of cutters 6 of front side is supported, and the rearward end of cutter moving meter 89 pairs of cutters 6 of rear side supports.
The cutter moving meter 89 of present embodiment as shown in Figure 6, comprise be fixed on the first side plate 81 cutter cylinder 89a, be fixed on the base 89b on the bar of cutter cylinder 89a and be fixed on a pair fixed part 89c, 89c of base 89b.Cutter cylinder 89a is cylinder, comprises the bar of band guiding piece.Retreat with the horizontal direction (left and right directions) that the length direction of straight line mould 1 intersects in the cutter bar edge of cylinder 89a.Fixed part 89c, 89c sky opens the interval that can insert for the end of cutter 6 and relative.Cutter 6 and fixed part 89c, 89c are connected by not shown bolt cutter 6 and fixed part 89c, 89c run through.
When making the bar of cutter cylinder 89a, 89a stretch out, cutter 6 moves to mobile rollers 5 side, and when making the bar of cutter cylinder 89a, 89a retreat, cutter 6 moves to stationary roll 4 side.
Geared motor 9 is fixed on the lower plate 83 of supporting mass 8.The gear (pinion) of geared motor 9 engages with rack rails 76, when making geared motor 9 drive, supporting mass 8 toward the front or rear move.
Next, each operation of the manufacture method of the bent member of present embodiment is described in detail.
The manufacture method of the bent member of present embodiment, as shown in Fig. 1 (a) ~ Fig. 1 (e), utilizes bender B to implement, and comprises section bar preparatory process, section bar arrangement step, bending preparatory process, bending operation and returns operation.
Section bar preparatory process is the operation preparing section bar S (with reference to Fig. 2).Though the diagram of omission, the section bar S in advance before bending machining is formed the hole, breach etc. that will be formed on bent member better.
Section bar arrangement step be by section bar S linearly mould 1 medial surface configuration and the operation leading section of section bar S is fixed on the medial surface of bending die 2.Concrete order in section bar arrangement step is shown in following.First, the operation carrying out making the bar of clamping cylinder 88g (with reference to Fig. 7) to retreat and make mobile rollers 5 leave bending die 2, manually operation makes straight line mould 1 separate with bending die 2 subsequently.After making straight line mould 1 and bending die 2 separate, section bar S easily passes in and out.In addition, this separate operation utilizing manual working to carry out is the operation in order to make following operation easily carry out, namely, the operation that section bar S is passed in and out and the leading section of section bar S is inserted into the operation between bending die 2 and pressing member 3, when therefore there is the gap of appropriateness between straight line mould 1 and bending die 2, also can omit and carry out this separate operation.Then, manually section bar S is configured between straight line mould 1 and bending die 2 by operation, this section bar S is advanced towards pressing member 3, is inserted in the gap be formed between bending die 2 and pressing member 3 leading section of section bar S.When being inserted in above-mentioned gap the leading section of section bar S, section bar S is fixed on bending die 2.After section bar S is fixed on bending die 2, dock with bending die 2 at roller 4,5 chien shih straight line mould 1, and utilize the medial surface of straight line mould 1 to keep section bar 3.
Bending preparatory process is the operation utilizing the front portion of roller 4,5 pairs of straight line moulds 1 and bending die 2 to clamp.In bending preparatory process, carry out the operation that the bar of clamping cylinder 88g (with reference to Fig. 7) is stretched out.When making the bar of clamping cylinder 88g (with reference to Fig. 7) stretch out, mobile rollers 5 moves towards bending die 2 in linkage with the action of elbow-bar mechanism 88e, the state (state that roller 4,5 pairs of straight line moulds 1 and bending die 2 clamp) that the lateral surface becoming mobile rollers 5 pairs of bending dies 2 presses.In addition, under the state making the bar of cutter cylinder 89a retreat (making cutter 6 be positioned at the state of retreating position), bending preparatory process is carried out.
Bending operation, as shown in Fig. 1 (b) and Fig. 1 (c), is under the state not making cutter 6 abut with section bar S, make roller 4,5 towards the operation of the rear portion movement of straight line mould 1.When performing bending operation, geared motor 9 is worked.That is, when operator operates the not shown switch of bender B, the control program of sequential control is started, and performs the control that geared motor 9 is rotated forward.When making geared motor 9 rotate forward, the supporting mass 8 being mounted with roller 4,5 moves towards the rear portion of straight line mould 1.
In addition, straight line mould 1 and bending die 2 at the rear of roller 4,5 separately, but are docking between roller 4,5.In the front of roller 4,5, straight line mould 1 and bending die 2 separate again, but are bent mould 2 due to the leading section of section bar S and pressing member 3 clamps, and therefore, the section bar S being positioned at the front of roller 4,5 becomes and bends along bending die 2.When the bending progress of section bar S, make section bar S leave the undressed portion (be positioned at the straight line portion at the rear of roller 4,5) of masterpiece for section bar S of bending die 2, but this power is born by straight line mould 1.In addition, in bending operation, make cutter 6 be positioned at retreating position, therefore section bar S can not be cut off.
When utilizing not shown sensor to detect that roller 4,5 reaches the position of the rear end exceeding section bar S, performing the control that geared motor 9 is stopped according to control program, in addition, performing to the air fed control of cutter cylinder 89a, 89a.When to cutter with cylinder 89a, 89a air supply time, the bar of cutter cylinder 89a, 89a stretches out, and cutter 6 moves (giving prominence to) towards bending die 2.When utilizing not shown sensor to detect that the overhang of the bar of cutter cylinder 89a, 89a reaches setting, performing according to control program and making bar stop the control of stretching out, transferring to and return operation.
Returning operation is under the state making cutter 6 abut with section bar S, make roller 4,5 towards the operation (with reference to Fig. 1 (d) and Fig. 1 (e)) of the front portion movement of straight line mould 1.Returning in operation, performing the control that geared motor 9 is reversely rotated based on control program.When making geared motor 9 reversely rotate, the supporting mass 8 being mounted with roller 4,5 is mobile towards the front portion (initial position) of straight line mould 1.When utilizing not shown sensor to detect that roller 4,5 reaches initial position, perform the control that geared motor 9 is stopped according to control program.
Carry out returning operation under the state (state by section bar receiving space V crosses) that cutter 6 is outstanding from the medial surface of straight line mould 1, therefore when making supporting mass 8 move, the leading section of cutter 6 abuts from the rear end side of section bar S with connecting portion S2, to bending die 2 side pressing connecting portion S2.In the present embodiment, groove 2a is positioned at the side of connecting portion S2, and connecting portion S2 does not abut with the medial surface of bending die 2, and therefore when cutter 6 abuts with connecting portion S2, shearing force concentrates on groove S3, S3 of connecting portion S2 both sides, is cut off by section bar S along groove S3, S3.
So when making supporting mass 8 be back to initial position, connecting portion S2 is cut, result, and section bar S is divided into two parts, obtain independently two bent members.
In addition, because the material becoming raw-material all steel billets of section bar S is incomplete same, in addition, even if the material at the position be extruded at first in a steel billet also can from different slightly in the material at position that is middle and that be finally extruded, and the heat distribution applied when extruded etc. is slightly not equal because of the difference to manufacture batch, make some variation of material of the section bar of each manufacture batch, therefore when utilizing two section bars to manufacture two bent members respectively, the elastic resilience amount that each section bar produces is unequal, the shape (curvature) of each bent member may change, but adopt the manufacture method of present embodiment, a section bar S comprises two rectangular goods portion S1, S1, therefore the elastic resilience amount that produces of each rectangular goods portion S1 is roughly equal, and then it is roughly equal by the curvature of two bent members of a section bar S acquisition.
When taking out bent member from straight line mould 1 and bending die 2, as long as the operation carrying out making the bar of clamping cylinder 88g (with reference to Fig. 7) to retreat and make mobile rollers 5 leave bending die 2, after manually operation makes straight line mould 1 and bending die 2 separate, take out bent member (bent rectangular goods portion S1, S1).In addition, the straight line mould 1 undertaken by manual working is the operations carried out to make the taking-up operation of bent member easily carry out with the separate operation of bending die 2, therefore can suitably omit.
When through bending operation is different from the curvature of target with the curvature returning the bent member (bent rectangular goods portion S1, S1) that operation obtains, carry out the operation that the curvature of bent member is corrected.In order to correct curvature, as long as such as apply point-load to the suitable position of bent member.In addition, roughly equal by the be shaped curvature (finishing to return the curvature of rectangular goods portion S1, S1 in moment of operation) of two bent members obtained of a section bar S, therefore also roughly the same by size of the position of point-load effect and point-load etc., thus also can correct two bent members simultaneously.
Adopt the bender B of present embodiment described above and make use of the manufacture method of bent member of this bender B, can utilize bending operation once that two rectangular goods portions S1, S1 are bent in the lump, the number of times of bending machining therefore can be made fewer than the radical of the bent member that will manufacture.In addition, make pair of rolls 4,5 turn back in the process of initial position, making multiple rectangular goods portion S1, S1 separation, therefore, it is possible to transfer to bending operation (bending operation to new section bar carries out) next time rapidly.
In addition, adopt the bender B of present embodiment and the manufacture method of bent member, because a section bar S comprises multiple rectangular goods portion S1, S1, therefore the elastic resilience amount that produces of rectangular goods portion S1, S1 is roughly equal, and then the curvature of two bent members (bent rectangular goods portion S1, S1) is roughly equal.That is, adopt the bender B of present embodiment and the manufacture method of bent member, a section bar S can be utilized easily to obtain two consistent bent members of curvature.In addition, when correcting the curvature of bent member, the curvature of two bent members can be corrected, therefore, it is possible to carry out this rectification work efficiently simultaneously.
In addition, in the present embodiment, as section bar S, the section bar being formed with groove S3, S3 is used, therefore, it is possible to easy and remove connecting portion S2 regularly.
In the present embodiment, between the pair of rolls 4,5 utilizing straight line mould 1 and bending die 2 clamping section S, configure cutter 6, therefore off-position not easily departs from, and then makes machining accuracy higher.
In the present embodiment, cutter 6 is loaded into the supporting mass 8 that pair roller 4,5 carries out supporting, therefore need not arranges and make cutter 6 driving mechanism that linearly mould 1 advances or the cutter that retreats is special.That is, adopt bender B, the advance of cutter 6 and roller 4,5 can be made or retreat to advance in linkage or retreat, the special driving mechanism of cutter is set therefore, it is possible to omit, and then bender B can be made to simplify, reduce costs.
In addition, cutter 6 can linearly mould 1 inward-outward direction retreat, therefore, it is possible to easily adjust with the degree etc. that abuts of section bar S cutter 6.
In addition, adopt present embodiment, the place of incision (position relative with groove 2a) of section bar S is in the state not being bent mould 2 and supporting, therefore, it is possible to more reliably cut off section bar S.
In the present embodiment, exemplified with making roller 4,5 relative to the bender B of roller mobile model of straight line mould 1 and bending die 2 relative movement and the manufacture method of bent member, but as shown in Fig. 8 (a) ~ Fig. 8 (c), also the present invention can be applied in and make straight line mould 1 and bending die 2 relative in the bender of mould mobile model of roller 4,5 relative movement and the manufacture method of bent member.
Bender B1 shown in Fig. 8 (a) ~ Fig. 8 (c) also possesses supporting mass that pair roller 4,5 carries out supporting (identical with the supporting mass 8 shown in Fig. 5 etc.), but this supporting mass fixes on the table, can not move along the longitudinal direction.That is, the roller 4,5 of bender B1 can not move along the longitudinal direction.In addition, at least one party of roller 4,5 is the driven rollers be connected with driving mechanism, and when making this driven roller rotate, straight line mould 1 and bending die 2 are sent to front or the rear of roller 4,5.Straight line mould 1 along be configured in this straight line mould 1 side not shown guide rail and move forward and backward.
The manufacture method employing the bent member of the bender B1 of mould mobile model is identical with above-mentioned embodiment, also comprise section bar preparatory process, section bar arrangement step, bending preparatory process, bending operation and return operation, but bending operation is as shown in Fig. 8 (b), be make straight line mould 1 and bending die 2 to the operation of the front movement of roller 4,5, returning operation is make straight line mould 1 and bending die 2 to the operation of the rear movement of roller 4,5.
In addition, under the state making cutter 6 be positioned at retreating position, carry out bending operation, carry out returning operation under the state making cutter be positioned at off-position.
Mould mobile model bender B1 and make use of in the manufacture method of bent member of this bender B1, also can utilize bending operation once that multiple rectangular goods portion is bent in the lump, the number of times of bending machining therefore can be made fewer than the radical of the bent member that will manufacture.In addition, make pair of rolls 4,5 turn back in the process of initial position, by multiple rectangular product part from, therefore, it is possible to transfer to bending operation (bending operation to new section bar carries out) next time rapidly.
In the above-described embodiment, exemplified with can linearly mould 1 inward-outward direction retreat cutter 6, but also can the bender B2 of mould mobile model as shown in Fig. 9 (b) and Fig. 9 (c), the length direction of linearly mould 1 is used to extend, and can relative to the cutter 6 ' of straight line mould 1 relative movement.
Cutter 6 ' is in band plate-like.The front end of cutter 6 ' is inserted between straight line mould 1 and bending die 2 from the rear end side of straight line mould 1, and between roller 4,5.Not shown fixture is fixed in the rear end of cutter 6 '.In addition, although the diagram of omission, cutter 6 ' is the height and position configuration of connecting portion S2 according to section bar S (with reference to Figure 10).
After bending operation terminates, cutter 6 ' is configured in the position of Fig. 9 (b).So when carrying out returning operation under the state of installing cutter 6 ', the state abutted with section bar S with the front end of cutter 6 ' makes straight line mould 1 rearward move along cutter 6 ', and the front end of cutter 6 ' is utilized to cut off section bar S.
At bender B2 and make use of in the manufacture method of bent member of this bender B2, also can utilize bending operation once that two rectangular goods portions are bent in the lump, the number of times of bending machining therefore can be made fewer than the radical of the bent member that will manufacture.In addition, because a section bar S comprises two rectangular goods portions, therefore the elastic resilience amount that produces of each rectangular goods portion is roughly equal, and then the curvature of two bent members obtained by a section bar S is roughly equal.In addition, make pair of rolls 4,5 turn back in the process of initial position, by multiple rectangular product part from, therefore, it is possible to transfer to bending operation (bending operation to new section bar carries out) next time rapidly.
In addition, when using cutter 6 ', need not arrange the slit of straight line mould 1, therefore the structure of straight line mould 1 becomes simple.
In addition, in the present embodiment, exemplified with utilizing a section bar S to form the situation of two bent members, but the bent member that a section bar forms more than three can also be utilized.In this case, as long as configure the cutter of the quantity corresponding with place of incision quantity.
In addition, in the present embodiment, be formed as laterally zygomorphic situation exemplified with by the shape of rectangular goods portion S1, S1, but the shape of rectangular goods portion S1, S1 may not be upper and lower symmetry.
(symbol description)
B, B1, B2 ... bender
1 ... straight line mould
2 ... bending die
3 ... pressing member
4 ... stationary roll
5 ... mobile rollers
6 ... cutter
7 ... workbench
8 ... supporting mass
9 ... geared motor (driving mechanism)
S ... section bar
S1 ... rectangular goods portion
S2 ... connecting portion
S3 ... groove
Claims (8)
1. a manufacture method for bent member, is characterized in that, comprising:
Section bar preparatory process, in section bar preparatory process, prepares the raw-material rectangular goods portion becoming bent member to be set up in parallel multiple and section bar that is that form along its width;
Section bar arrangement step, in section bar arrangement step, by the linearly mould configuration of described section bar, and is fixed on the bending die relative with described straight line mould by the leading section of described section bar;
Bending preparatory process, in bending preparatory process, utilizes the front portion of pair of rolls to described straight line mould and described bending die to clamp;
Bending operation, in bending operation, makes described pair of rolls move towards the rear portion of described straight line mould, or described straight line mould and described bending die is moved towards the front of described pair of rolls; And,
Return operation, returning in operation, described pair of rolls is moved towards the front portion of described straight line mould, or described straight line mould and described bending die are moved towards the rear of described pair of rolls,
When returning operation described in carrying out, make the multiple described rectangular product part that bent from.
2. the manufacture method of bent member as claimed in claim 1, is characterized in that,
In described section bar preparatory process, as described section bar, prepare to be provided with each other in described rectangular goods portion banded connecting portion, and be formed with the section bar of groove along the both side edges of this connecting portion,
Return operation described in carrying out with the state abutted with described connecting portion at the chien shih cutter of described pair of rolls, when returning operation described in carrying out, described connecting portion is cut, thus by the multiple described rectangular product part that bent from.
3. the manufacture method of bent member as claimed in claim 1, is characterized in that,
In described section bar preparatory process, as described section bar, prepare to be provided with banded connecting portion each other in described rectangular goods portion, and this connecting portion is formed as the section bar thinner than described rectangular goods portion,
Return operation described in carrying out with the state abutted with described connecting portion at the chien shih cutter of described pair of rolls, when returning operation described in carrying out, described connecting portion is cut, thus by the multiple described rectangular product part that bent from.
4. a bender, is characterized in that, comprising:
Straight line mould, this straight line mould is along the section bar configuration before bending machining;
Bending die, this bending die is configured as bending shape;
Pressing member, described bending die is fixed in the leading section of described section bar by this pressing member;
Pair of rolls, this pair of rolls clamps described straight line mould and described bending die; And
Cutter, this cutter is used for the described section bar being in the state be configured between described straight line mould and described bending die to cut off along its length,
Described tooling setup is between described pair of rolls.
5. bender as claimed in claim 4, is characterized in that,
This bender also comprises:
Supporting mass, this supporting mass supports described pair of rolls; And
Driving mechanism, this driving mechanism makes described supporting mass advance along described straight line mould or retreat,
Described cutter is supported by described supporting mass.
6. the bender as described in claim 4 or 5, is characterized in that,
Described straight line mould has the slit extended along its length,
Described cutter along the length direction of described straight line mould relative to the relative movement of described straight line mould, and can be retreated along the inward-outward direction of described straight line mould, and abuts with described section bar through described slit.
7. bender as claimed in claim 6, is characterized in that,
Described bending die has the groove extended along its length,
The leading section of described cutter is relative with the openend of described groove.
8. a bender, is characterized in that, comprising:
Straight line mould, this straight line mould is along the section bar configuration before bending machining;
Bending die, this bending die is configured as bending shape;
Pressing member, described bending die is fixed in the leading section of described section bar by this pressing member;
Pair of rolls, this pair of rolls clamps described straight line mould and described bending die; And
Cutter, this cutter is used for the described section bar being in the state be configured between described straight line mould and described bending die to cut off along its length,
Described cutter extends along the length direction of described straight line mould, and can relative to the relative movement of described straight line mould,
The front end of described cutter is inserted between described straight line mould and described bending die from the end face side of described straight line mould, and between described pair of rolls.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/069693 WO2014020741A1 (en) | 2012-08-02 | 2012-08-02 | Manufacturing method for curved members and bending devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104507595A CN104507595A (en) | 2015-04-08 |
| CN104507595B true CN104507595B (en) | 2016-03-23 |
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| CN201280074980.9A Active CN104507595B (en) | 2012-08-02 | 2012-08-02 | The manufacture method of bent member and bender |
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| Country | Link |
|---|---|
| JP (1) | JP5989122B2 (en) |
| CN (1) | CN104507595B (en) |
| WO (1) | WO2014020741A1 (en) |
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| CN114749556B (en) * | 2022-05-17 | 2024-01-30 | 杭州萧山江海实业有限公司 | Aluminum-magnesium-zinc roll forming frame profile forming device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112623A (en) * | 1994-10-17 | 1996-05-07 | Nippon Light Metal Co Ltd | Shape bending method and three-dimensional bending member obtained with above |
| US6253591B1 (en) * | 1999-03-09 | 2001-07-03 | Honda Giken Kogyo Kabushiki Kaisha | Method and apparatus for bending a metallic flanged member |
| JP2002066642A (en) * | 2000-08-29 | 2002-03-05 | Nippon Light Metal Co Ltd | Bending apparatus and bending method |
| CN1541145A (en) * | 2001-04-24 | 2004-10-27 | ���ܿ���ϵͳ����˾ | Method and device for prodn. of curved spring strip sections |
| JP2005081421A (en) * | 2003-09-10 | 2005-03-31 | Kobe Steel Ltd | Bending method of aluminum alloy hollow structure |
| CN101616757A (en) * | 2007-02-20 | 2009-12-30 | 株式会社精工制作所 | Bending apparatus and bending method |
-
2012
- 2012-08-02 CN CN201280074980.9A patent/CN104507595B/en active Active
- 2012-08-02 JP JP2014527910A patent/JP5989122B2/en active Active
- 2012-08-02 WO PCT/JP2012/069693 patent/WO2014020741A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112623A (en) * | 1994-10-17 | 1996-05-07 | Nippon Light Metal Co Ltd | Shape bending method and three-dimensional bending member obtained with above |
| US6253591B1 (en) * | 1999-03-09 | 2001-07-03 | Honda Giken Kogyo Kabushiki Kaisha | Method and apparatus for bending a metallic flanged member |
| JP2002066642A (en) * | 2000-08-29 | 2002-03-05 | Nippon Light Metal Co Ltd | Bending apparatus and bending method |
| CN1541145A (en) * | 2001-04-24 | 2004-10-27 | ���ܿ���ϵͳ����˾ | Method and device for prodn. of curved spring strip sections |
| JP2005081421A (en) * | 2003-09-10 | 2005-03-31 | Kobe Steel Ltd | Bending method of aluminum alloy hollow structure |
| CN101616757A (en) * | 2007-02-20 | 2009-12-30 | 株式会社精工制作所 | Bending apparatus and bending method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104507595A (en) | 2015-04-08 |
| JP5989122B2 (en) | 2016-09-07 |
| JPWO2014020741A1 (en) | 2016-07-11 |
| WO2014020741A1 (en) | 2014-02-06 |
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