CN108145031A - The forming frock and process of aluminium section bar three-dimensional camber beam - Google Patents

The forming frock and process of aluminium section bar three-dimensional camber beam Download PDF

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Publication number
CN108145031A
CN108145031A CN201810088500.3A CN201810088500A CN108145031A CN 108145031 A CN108145031 A CN 108145031A CN 201810088500 A CN201810088500 A CN 201810088500A CN 108145031 A CN108145031 A CN 108145031A
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CN
China
Prior art keywords
punch
workpiece
pin
stretching
section bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810088500.3A
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Chinese (zh)
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CN108145031B (en
Inventor
张永强
许宁
赵春光
周亚瑞
李昊泽
杨成
耿长辉
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CHANGCHUN INTER-CITY RAILWAY VEHICLE ACCESSORIES Co Ltd
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CHANGCHUN INTER-CITY RAILWAY VEHICLE ACCESSORIES Co Ltd
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Priority to CN201810088500.3A priority Critical patent/CN108145031B/en
Publication of CN108145031A publication Critical patent/CN108145031A/en
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Publication of CN108145031B publication Critical patent/CN108145031B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/88Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D47/00Making rigid structural elements or units, e.g. honeycomb structures
    • B21D47/01Making rigid structural elements or units, e.g. honeycomb structures beams or pillars

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention discloses a kind of high degree of automation, mitigate operating personnel's working strength, the forming frock and process of the aluminium section bar three-dimensional camber beam that improve product quality and production efficiency, including tooling mounting platform;Cavity plate, the cavity plate are fixed on the tooling mounting platform;Punch-pin, the punch-pin are movably connected on the tooling mounting platform;Stretching assembly, the stretching assembly is two groups, and passes through the both ends that stretching assembly erecting bed is symmetrically disposed on tooling, and stretching assembly described in two groups fixes the both ends of workpiece respectively;The stretching assembly applies drawing force and twisting resistance to the workpiece.The forming frock and process of aluminium section bar three-dimensional camber beam provided by the invention realize the asymmetric three-dimensionally shaped automated production of longer aluminium section bar, dramatically reduce the working strength of operating worker adjusting die mould, improve production efficiency and into yield and quality.

Description

The forming frock and process of aluminium section bar three-dimensional camber beam
Technical field
The present invention relates to the streamlined work pieces process technical field of EMU more particularly to a kind of EMU streamlined car crowns The forming frock and moulding technique of portion's three-dimensional aluminium section bar camber beam asymmetric compared with elongated.
Background technology
In recent years, with the development of trolley coach industry, the light-weighted requirement of configuration design and vehicle to car is continuous It improves.And aluminium section bar is largely applied due to the features such as light-weight, easily molded in the car body of the trolley coach such as high-speed EMUs In structure, and the streamlined headstock of high-speed EMUs is also required to the forming and welding of big elongated three-dimensional aluminium section bar, therefore aluminium section bar Three-dimensionally shaped technique also becomes the direction of this industry research.
In the component of streamlined headstock composition, the forming of longer aluminium section bar three-dimensional asymmetrically shape camber beam (8 meters of length) Technique more becomes industry difficult point, and three-dimensional aluminium section bar camber beam such at this stage greatly enhances part largely using the work welded after sectional forming Skill had not only reduced camber beam integral strength, but also has increased welding sequence.Large-scale aluminium section bar three-dimensional camber beam shaping dies is less simultaneously See, also supported without ripe theory or experience.
Invention content
The object of the present invention is to provide a kind of high degree of automation, mitigate operating personnel's working strength, raising product quality With the forming frock and process of the aluminium section bar three-dimensional camber beam of production efficiency.
To achieve these goals, the present invention provides following technical solution:
The forming frock of aluminium section bar three-dimensional camber beam disclosed by the invention, mainly includes:
Tooling mounting platform;
Cavity plate, the cavity plate are fixed on the tooling mounting platform;
Punch-pin, the punch-pin are movably connected on the tooling mounting platform;
Stretching assembly, the stretching assembly is two groups, and passes through the both ends that stretching assembly erecting bed is symmetrically disposed on tooling, And stretching assembly described in two groups fixes the both ends of workpiece respectively;
The stretching assembly applies drawing force and twisting resistance to the workpiece;
During processing, the workpiece is bonded with the cavity plate and the punch-pin.
Further, the stretching assembly includes being movably connected on the stretching-machine peace of the stretching assembly erecting bed medial surface Sabot and the stretching-machine being fixed in the stretching-machine mounting disc, the output terminal of the stretching-machine have fixture, the stretching Machine clamps the end of the workpiece by the fixture.
Further, the medial surface of the stretching assembly erecting bed has two slideways, respectively transverse slipway and longitudinal direction Slideway;
The stretching-machine mounting disc drives the stretching-machine that can be slided along arbitrary slideway and is fixed on appointing for the slideway Meaning position.
Further, the punch-pin is wide along the tooling mounting platform with having on the contact surface of the tooling mounting platform The punch-pin sliding rail of direction extension is spent, the side of the punch-pin has punch-pin hydraulic pressure cylinder assembly, and the punch-pin hydraulic pressure cylinder assembly is connected In on the tooling mounting platform and the punch-pin being pushed to be moved along the punch-pin sliding rail.
Further, the punch-pin hydraulic pressure cylinder assembly includes three groups of punch-pin hydraulic cylinders for being distributed in the punch-pin side, and The output terminal of the punch-pin hydraulic cylinder is connected in the side of the punch-pin.
Further, punch-pin hydraulic cylinder described in three groups realizes synchronization action using Synchronization Design circuit.
Further, the fixture is hydraulic chuck.
Further, the tooling mounting platform is connect with stretching-machine workbench by lower margin.
Further, the cavity plate is wood-plastic composite matter cavity plate.
The moulding technique of aluminium section bar three-dimensional camber beam disclosed by the invention, includes the following steps:
S1, workpiece sensing and selection:Tooling and the relative position of stretching-machine are adjusted, the hardness of workpiece is detected, Select the satisfactory workpiece of hardness;
S2, workpiece are in place:The workpiece both ends for detecting qualified using fixture are stepped up, and ensure that there is enough clampings Power;
The two-dimentional brake forming of S3, workpiece:Start stretching-machine, workpiece is close to cavity plate shape to stretching obliquely downward, completes work The two-dimentional brake forming of part;
S4, workpiece it is primary three-dimensionally shaped:Start the hydraulic cylinder output twisting action of fixture, make the torsion of workpiece fitting cavity plate Turn curved surface, complete the primary three-dimensionally shaped of workpiece;
S5, workpiece it is secondary three-dimensionally shaped:After workpiece is bonded completely with cavity plate, start punch-pin hydraulic cylinder, push punch-pin It is slided on punch-pin sliding rail, punch-pin and cavity plate is completed into molding, to workpiece bent into shape, complete the secondary three-dimensionally shaped of workpiece;
S6, molding are kept:It keeps stretching-machine twisting resistance constant, increases and adjust stretching force parameter, kept for 3-5 minutes;
S7, return:All hydraulic cylinder return removes workpiece after molding and intercepts lengthening section, and detect.
In the above-mentioned technical solutions, the forming frock and process of aluminium section bar three-dimensional camber beam provided by the invention is realized The asymmetric three-dimensionally shaped automated production of longer aluminium section bar, the work for dramatically reducing operating worker adjusting die mould are strong It spends, improve production efficiency and into yield and quality;
Secondly, it ensure that product quality, avoid welding point, improve the integral strength of product;
Finally, in the industries such as trolley coach and aviation, to section, the three-dimensional asymmetric molding of irregular cavity aluminium section bar carries The technical solution solved has been supplied, there are substantive breakthroughs.
Description of the drawings
It in order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one described in the present invention A little embodiments for those of ordinary skill in the art, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the forming frock of aluminium section bar three-dimensional camber beam disclosed by the embodiments of the present invention;
Fig. 2 is the enlarged diagram of the forming frock of aluminium section bar three-dimensional camber beam disclosed by the embodiments of the present invention.
Reference sign:
1st, workpiece;2nd, cavity plate;3rd, punch-pin;4th, punch-pin hydraulic cylinder;5th, tooling mounting platform;6th, fixture;7th, stretching assembly is pacified Fill platform;8th, stretching-machine;9th, punch-pin sliding rail;10th, transverse slipway;11st, end slipway;12nd, lower margin;13rd, stretching-machine mounting disc.
Specific embodiment
In order to which those skilled in the art is made to more fully understand technical scheme of the present invention, below in conjunction with attached drawing to this hair It is bright to be further detailed.
Referring to shown in Fig. 1-2;
The forming frock of the aluminium section bar three-dimensional camber beam of the present invention, mainly includes:
Tooling mounting platform 5;
Cavity plate 2, cavity plate 2 are fixed on tooling mounting platform 5;
Punch-pin 3, punch-pin 3 are movably connected on tooling mounting platform 5;
Stretching assembly, which is two groups, and passes through the both ends that stretching assembly erecting bed 7 is symmetrically disposed on tooling, And two groups of stretching assemblies fix the both ends of workpiece 1 respectively;
Stretching assembly applies drawing force and twisting resistance to workpiece 1;
During processing, workpiece 1 is bonded with cavity plate 2 and punch-pin 3.
Specifically, the aluminium section bar (workpiece 1) present embodiment discloses a kind of high degree of automation, good forming effect is three-dimensional curved The forming frock of beam, mainly include tooling mounting platform 5 and as the punch-pin 3 on the tooling mounting platform 5 and cavity plate 2, And other assemblies.Wherein, drawing force and twisting resistance can be applied to workpiece 1 using above-mentioned stretching assembly.The stretching assembly Including being movably connected on the stretching-machine mounting disc 13 of 7 medial surface of stretching assembly erecting bed and being fixed on stretching-machine mounting disc 13 On stretching-machine 8, the output terminal of stretching-machine 8 has fixture, the end that stretching-machine 8 passes through 6 clamping workpiece 1 of fixture.Due to stretching Machine 8 can apply very big power at work, in order to avoid workpiece 1 comes off, improve product quality, need to ensure that fixture 6 has very Big clamping force.In addition, the medial surface of stretching assembly erecting bed 7 has two slideways, respectively transverse slipway in the present embodiment 10 and end slipway 11;Stretching-machine mounting disc 13 drives stretching-machine 8 that can be slided along arbitrary slideway and be fixed on the arbitrary of slideway Position.Movement can be realized when the design of slideway is also for processing.
Preferably, the present embodiment convex mould 3 is wide along tooling mounting platform 5 with having on the contact surface of tooling mounting platform 5 The punch-pin sliding rail 9 of direction extension is spent, the side of punch-pin 3 has punch-pin hydraulic pressure cylinder assembly, and punch-pin hydraulic pressure cylinder assembly is fixed on tooling On mounting platform 5 and punch-pin 3 is pushed to be moved along punch-pin sliding rail 9.Wherein, the punch-pin hydraulic pressure cylinder assembly of the present embodiment includes three groups The punch-pin hydraulic cylinder 4 of 3 side of punch-pin is distributed in, and the output terminal of punch-pin hydraulic cylinder 4 is connected in the side of punch-pin 3.In a upper work Sequence, workpiece 1 are completed after stretching operation, and fixture 6 carries out twisting operation under turning effort to workpiece 1, treats that workpiece 1 and cavity plate 2 are complete After full fitting, punch-pin hydraulic cylinder 4 is started to work, and punch-pin 3 is pushed to be moved along punch-pin sliding rail 9, carries out last time press-bending.Wherein, In order to ensure that punch-pin 3 and cavity plate 2 are uniform in burn close time gap, need to ensure three groups of punch-pin hydraulic cylinders 4 using Synchronization Design circuit Realize synchronization action.
Preferably, in order to which fixture 6 can realize twisting operation, fixture 6 is hydraulic chuck in the present embodiment.
In order to improve the stability of tooling mounting platform 5, tooling mounting platform 5 and stretching-machine workbench in the present embodiment It is connected by lower margin 12.
Since the volume of the cavity plate 2 of the tooling is larger, under the premise of it can reach requirement, the cavity plate of the present embodiment 2 be wood-plastic composite matter cavity plate, can both mitigate tooling weight in this way, saves material cost, can also reduce difficulty of processing, saves and adds Work cost, energy conservation and environmental protection.
The moulding technique of aluminium section bar three-dimensional camber beam disclosed by the invention, includes the following steps:
S1, the detection of workpiece 1 and selection:The relative position of tooling and stretching-machine 8 is adjusted, the hardness of workpiece 1 is examined It surveys, selects the satisfactory workpiece 1 of hardness;
S2, workpiece 1 are in place:1 both ends of workpiece for detecting qualified using fixture 6 are stepped up, and ensure that there is enough folders Clamp force;
The two-dimentional brake forming of S3, workpiece 1:Start stretching-machine 8, workpiece 1 is close to 2 shape of cavity plate to stretching obliquely downward, it is complete Into the two-dimentional brake forming of workpiece 1;
S4, workpiece 1 it is primary three-dimensionally shaped:Start the hydraulic cylinder output twisting action of fixture 6, workpiece 1 is made to be bonded cavity plate 2 Torsion curved surface, complete workpiece 1 it is primary three-dimensionally shaped;
S5, workpiece 1 it is secondary three-dimensionally shaped:After workpiece 1 is bonded completely with cavity plate 2, start punch-pin hydraulic cylinder 4, push Punch-pin 3 slides on punch-pin sliding rail 9, and punch-pin 3 and cavity plate 2 are completed to mold, and to 1 bent into shape of workpiece, completes the secondary of workpiece 1 It is three-dimensionally shaped;
S6, molding are kept:It keeps 8 twisting resistance of stretching-machine constant, increases and adjust stretching force parameter, kept for 3-5 minutes;
S7, return:All hydraulic cylinder return removes workpiece 1 after molding and intercepts lengthening section, and detect.
In the above-mentioned technical solutions, the forming frock and process of aluminium section bar three-dimensional camber beam provided by the invention is realized The asymmetric three-dimensionally shaped automated production of longer aluminium section bar, the work for dramatically reducing operating worker adjusting die mould are strong It spends, improve production efficiency and into yield and quality;
Secondly, it ensure that product quality, avoid welding point, improve the integral strength of product;
Finally, in the industries such as trolley coach and aviation, to section, the three-dimensional asymmetric molding of irregular cavity aluminium section bar carries The technical solution solved has been supplied, there are substantive breakthroughs.
Above certain exemplary embodiments that the present invention is only described by way of explanation, undoubtedly, for ability The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of different modes to institute The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention The limitation of claims.

Claims (10)

1. the forming frock of aluminium section bar three-dimensional camber beam, which is characterized in that mainly include:
Tooling mounting platform (5);
Cavity plate (2), the cavity plate (2) are fixed on the tooling mounting platform (5);
Punch-pin (3), the punch-pin (3) are movably connected on the tooling mounting platform (5);
Stretching assembly, the stretching assembly is two groups, and passes through the both ends that stretching assembly erecting bed (7) is symmetrically disposed on tooling, And stretching assembly described in two groups fixes the both ends of workpiece (1) respectively;
The stretching assembly applies drawing force and twisting resistance to the workpiece (1);
During processing, the workpiece (1) is bonded with the cavity plate (2) and the punch-pin (3).
2. the forming frock of aluminium section bar three-dimensional camber beam according to claim 1, which is characterized in that the stretching assembly includes It is movably connected on the stretching-machine mounting disc (13) of stretching assembly erecting bed (7) medial surface and is fixed on the stretching-machine Stretching-machine (8) in mounting disc (13), the output terminal of the stretching-machine (8) have fixture (6), and the stretching-machine (8) passes through institute State the end that fixture (6) clamps the workpiece (1).
3. the forming frock of aluminium section bar three-dimensional camber beam according to claim 2, which is characterized in that the stretching assembly installation The medial surface of platform (7) has two slideways, respectively transverse slipway (10) and end slipway (11);
The stretching-machine mounting disc (13) drives the stretching-machine (8) that can be slided along arbitrary slideway and be fixed on the slideway Any position.
4. the forming frock of aluminium section bar three-dimensional camber beam according to claim 1, which is characterized in that the punch-pin (3) and institute State the punch-pin sliding rail for having on the contact surface of tooling mounting platform (5) and extending along tooling mounting platform (5) width direction (9), the side of the punch-pin (3) has punch-pin hydraulic pressure cylinder assembly, and the punch-pin hydraulic pressure cylinder assembly is fixed on the tooling installation On platform (5) and push the punch-pin (3) mobile along the punch-pin sliding rail (9).
5. the forming frock of aluminium section bar three-dimensional camber beam according to claim 4, which is characterized in that the punch-pin hydraulic cylinder group Part include three groups of punch-pin hydraulic cylinders (4) for being distributed in the punch-pin (3) side, and the output terminal of the punch-pin hydraulic cylinder (4) in The side of the punch-pin (3) is connected.
6. the forming frock of aluminium section bar three-dimensional camber beam according to claim 5, which is characterized in that punch-pin hydraulic pressure described in three groups Cylinder (4) realizes synchronization action using Synchronization Design circuit.
7. the forming frock of aluminium section bar three-dimensional camber beam according to claim 2, which is characterized in that the fixture (6) is liquid Press collet.
8. the forming frock of aluminium section bar three-dimensional camber beam according to claim 1, which is characterized in that the tooling mounting platform (5) surrounding has the lower margin (12) being connect with stretching machine worktable.
9. the forming frock of aluminium section bar three-dimensional camber beam according to claim 1, which is characterized in that the cavity plate (2) is modeling Wood composite matter cavity plate.
10. the moulding technique of aluminium section bar three-dimensional camber beam, which is characterized in that include the following steps:
S1, workpiece (1) detection and selection:The relative position of tooling and stretching-machine (8) is adjusted, the hardness of workpiece (1) is carried out Detection selects the satisfactory workpiece of hardness (1);
S2, workpiece (1) are in place:Workpiece (1) both ends for detecting qualified using fixture (6) are stepped up, and ensure have enough Clamping force;
The two-dimentional brake forming of S3, workpiece (1):Start stretching-machine (8), workpiece (1) is close to cavity plate (2) shape to drawing obliquely downward It stretches, completes the two-dimentional brake forming of workpiece (1);
S4, workpiece (1) it is primary three-dimensionally shaped:Start the hydraulic cylinder output twisting action of fixture (6), make workpiece (1) fitting recessed The torsion curved surface of mould (2) completes the primary three-dimensionally shaped of workpiece (1);
S5, workpiece (1) it is secondary three-dimensionally shaped:After workpiece (1) is bonded completely with cavity plate (2), start punch-pin hydraulic cylinder (4), Punch-pin (3) is pushed to be slided on punch-pin sliding rail (9), punch-pin (3) and cavity plate (2) are completed to mold, to workpiece (1) bent into shape, Complete the secondary three-dimensionally shaped of workpiece (1);
S6, molding are kept:It keeps stretching-machine (8) twisting resistance constant, increases and adjust stretching force parameter, kept for 3-5 minutes;
S7, return:All hydraulic cylinder return removes workpiece after molding (1) and intercepts lengthening section, and detect.
CN201810088500.3A 2018-01-30 2018-01-30 Forming tool and process method for three-dimensional curved beam of aluminum profile Active CN108145031B (en)

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Application Number Priority Date Filing Date Title
CN201810088500.3A CN108145031B (en) 2018-01-30 2018-01-30 Forming tool and process method for three-dimensional curved beam of aluminum profile

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Application Number Priority Date Filing Date Title
CN201810088500.3A CN108145031B (en) 2018-01-30 2018-01-30 Forming tool and process method for three-dimensional curved beam of aluminum profile

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CN108145031B CN108145031B (en) 2024-02-02

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054918A (en) * 1991-04-12 1991-10-02 秦皇岛经济技术开发区科技开发总公司 Three dimensional bending machine for automobile door and window frames
JPH08132142A (en) * 1994-11-02 1996-05-28 Aisin Keikinzoku Kk Bending forming device
CN2269911Y (en) * 1995-06-24 1997-12-10 东北重型机械学院南校 Section 3-D bending machine of vertical and horizontal composite shaping
JP2000237825A (en) * 1999-02-17 2000-09-05 Shinpo Kogyo:Kk Stretch bender with automatic setting machine for tensile force
CN101628309A (en) * 2008-07-15 2010-01-20 上海德真工贸有限公司 Processing technique for right-upper bracket of cross beam of automotive instrument panel framework
CN102151728A (en) * 2011-05-09 2011-08-17 江苏同力机械有限公司 Cold bending forming process for camber beam of car body of passenger car
CN204503909U (en) * 2015-01-30 2015-07-29 长春市恒丰客车装备有限公司 Digitally controlled multifunctional metal stretching machine
CN105598227A (en) * 2016-03-29 2016-05-25 王志中 Integrated draw bender
CN105983607A (en) * 2015-01-30 2016-10-05 长春市恒丰客车装备有限公司 Numerical-control multifunctional metal stretching and drawing machine
CN106270155A (en) * 2016-09-29 2017-01-04 天津天锻航空科技有限公司 Convex-concave multi-curvature class aircraft skin product shaping frock and combined forming process
CN207787550U (en) * 2018-01-30 2018-08-31 长春城际轨道客车配件有限公司 The forming frock of aluminium section bar three-dimensional camber beam

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054918A (en) * 1991-04-12 1991-10-02 秦皇岛经济技术开发区科技开发总公司 Three dimensional bending machine for automobile door and window frames
JPH08132142A (en) * 1994-11-02 1996-05-28 Aisin Keikinzoku Kk Bending forming device
CN2269911Y (en) * 1995-06-24 1997-12-10 东北重型机械学院南校 Section 3-D bending machine of vertical and horizontal composite shaping
JP2000237825A (en) * 1999-02-17 2000-09-05 Shinpo Kogyo:Kk Stretch bender with automatic setting machine for tensile force
CN101628309A (en) * 2008-07-15 2010-01-20 上海德真工贸有限公司 Processing technique for right-upper bracket of cross beam of automotive instrument panel framework
CN102151728A (en) * 2011-05-09 2011-08-17 江苏同力机械有限公司 Cold bending forming process for camber beam of car body of passenger car
CN204503909U (en) * 2015-01-30 2015-07-29 长春市恒丰客车装备有限公司 Digitally controlled multifunctional metal stretching machine
CN105983607A (en) * 2015-01-30 2016-10-05 长春市恒丰客车装备有限公司 Numerical-control multifunctional metal stretching and drawing machine
CN105598227A (en) * 2016-03-29 2016-05-25 王志中 Integrated draw bender
CN106270155A (en) * 2016-09-29 2017-01-04 天津天锻航空科技有限公司 Convex-concave multi-curvature class aircraft skin product shaping frock and combined forming process
CN207787550U (en) * 2018-01-30 2018-08-31 长春城际轨道客车配件有限公司 The forming frock of aluminium section bar three-dimensional camber beam

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