CN104307973A - Integrated punching-rolling production method and special production line for heavy-duty commercial vehicle beam - Google Patents
Integrated punching-rolling production method and special production line for heavy-duty commercial vehicle beam Download PDFInfo
- Publication number
- CN104307973A CN104307973A CN201410483255.8A CN201410483255A CN104307973A CN 104307973 A CN104307973 A CN 104307973A CN 201410483255 A CN201410483255 A CN 201410483255A CN 104307973 A CN104307973 A CN 104307973A
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- numerical control
- section
- punching
- plate
- uncoiling
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a production method and a special production line for manufacturing a heavy-duty commercial vehicle beam. The production method comprises the steps of uncoiling, leveling, flush cutting, numerical control punching, rolling forming, cutting, post treatment and the like. The numerical control punching step is implemented before the rolling forming step, so that the production efficiency can be remarkably improved, and the form and position stability of a hole can be improved. The special production line comprises six parts, i.e. an uncoiling and leveling section, a front plate rolling bracket, a numerical control punching section, a rear plate rolling bracket, a rolling forming section and a post treatment section, which are sequentially connected onto a foundation, wherein a feeding frame system (1), a leveling machine (2), a flush cutting machine (3) and a guide frame (4) are arranged on the uncoiling and leveling section; the numerical control punching section is provided with a left numerical control clamping system (8), a right numerical control clamping system (9) and an XY-direction movable numerical control punch press (6); the rolling forming section is provided with a rolling unit (11) and a discharging rack (12); the post treatment section is provided with a movable cutting machine (13) and a finished product movement and post treatment system (14).
Description
Technical field
The present invention relates to a kind of production method of car beam, especially relate to a kind of rushing of heavy type commercial car car beam and roll integrated production method and special production line thereof.
Background technology
Car beam is the vital part on heavy type commercial car chassis.The manufacturing process of car beam is the key factor of restriction heavy type commercial car vehicle frame quality and production capacity.The feature that the car beam of heavy type commercial car has " strengthen, lengthen, widen, wide in variety ", usually adopt high-strength steel sheet to produce, expect that thick is about 5.0mm, cross dimensions is about 300mm, and length is within the scope of 5600 ~ 11500mm.
At present, there is technology, i.e. punch forming manufacturing technology and the roll forming numerical control punching manufacturing technology of two kinds of manufacture car beams in prior art.Punch forming manufacturing technology adopts diel to manufacture car beam, it is a kind of traditional manufacturing process, large tonnage pressing machine (more than 3000t) and large mold (more than 30t) need be used, production efficiency is high, steady quality, be applicable to the production in enormous quantities of single variety.Roll forming numerical control punching manufacturing technology adopts roll extrusion production line to the manufacturing process of the laggard row numerical control punching of coiled strip roll forming, is applicable to produce equal section orthoscopic car beam.Typical technological process is as follows: many multiple lengths coiled strip uncoiling slitting → mono-multiple length coiled strip → be rolled into shaped piece → tri-numerical control punching → bead → application → finished product warehouse-in.
In roll forming numerical control punching manufacturing technology, numerical control punching link becomes the bottleneck that restriction production efficiency improves.One be roll forming after, not at grade, punching technology needs to process respectively the hole on car soffit of girder face and aerofoil from lathe vertical plane and machine tool horizontal face, and when the outside of belly and aerofoil separate punching, benchmark disunity causes the uniformity of product very poor.Two is that first shaping backlash hole is difficult to ensure the morpheme stability in hole, and punching precision is about 0.4mm.Three is that numerical control punching can only rush a hole at every turn, and production efficiency is lower.
In addition, car beam production line of the prior art is all produce single car beam, and cross sectional shape simply causes car beam strength not high, if twin beams can cause again vehicle frame weight greatly to increase inside and outside punching press, the serialization of technical process can't be realized, constrain the raising of production efficiency.Need badly and roll forming numerical control punching manufacturing technology is optimized and is improved, simplify numerical control punching processing, improve the morpheme stability of punching, enhance productivity.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, improve the efficiency of punching technology in the production of car beam, the morpheme stability in lifting car beam hole, and then provide one can realize quantity-produced heavy type commercial car car Liang Chong to roll integrated production method and special production line thereof.The object of the invention is to be achieved through the following technical solutions:
Integrated manufacturing method is rolled in rushing of heavy type commercial car car beam, with steel coiled strip for raw material, produces according to following steps order:
A-uncoiling, forms continuous plate by coiled strip uncoiling;
B-smooths, and adopts levelling machine to smooth continuous plate;
C-roll extrusion side burrs, is beneficial to side accurate positioning with the two sides of the continuous plate of roller roll extrusion to go out deburring;
Cut-out that D-is flush, forms neat plate front end geometry by flush for the leading section of continuous plate cut-out;
E-numerical control punching, adopts mobile numerical control punching system to carry out punching processing according to the requirement of car girder construction to continuous plate;
F-roll forming, to carry out rolling and processing shaping for the plate behind hole to adopt roll extrusion unit to liquidate;
G-cuts off, and adopts mobile cutting machine to cut off the dimensional requirement of the plate after roll forming according to car beam;
H-aft-loaded airfoil, carries out laser cutting, plasma cut or heat treatment to the product after cutting off;
Wherein, above-mentioned steps B and step H is optional step.
The advantage of this technical scheme is, completes the punching in hole on car soffit of girder face and aerofoil before roll forming, and punching processing all completes on lathe vertical plane, can significantly improve punching efficiency and the morpheme stability of lifting hole.Meanwhile, this technical scheme makes to create possibility continuously, and speed of production can reach 1-10m/min.Speed of production depends on treats the hole number of punching and the number of permutations of numerical control press.Another advantage of this technical scheme is, can roll out by the change of roller press wheels the intensity that the complex-shaped section bar with bulk cross section improves car beam.By changing the cross sectional shape of car beam, the anti-diamonding of vehicle frame and ship shape deformability can be increased widely.After intensity improves, raw material use amount reduces, and complete vehicle weight significantly reduces, and cost also significantly reduces.Found by technology experiment contrast, the technical program can reduce vehicle frame raw material 30%, thus achieves lightweight and the energy-conserving and environment-protective theory of vehicle pursuit.
The present invention also provides a kind of special production line manufacturing heavy type commercial car car beam, be included in uncoiling smoothing section, front plate rolling bracket frame, numerical control punching section, rear plate rolling bracket frame, roll forming section and post processing section six parts that ground connects in turn, described uncoiling smoothing section has stock shelf system, levelling machine, flush cutting machine, leading truck; Described numerical control punching section has left numerical control grasping system, right numerical control grasping system, XY to mobile numerical control press; Described roll forming section has roll extrusion unit and discharging frame; Described post processing section has mobile cutting machine and finisher traversal and after-treatment system.
Preferably, described roll extrusion unit has multiple stitching unit, preferably has 10-40 stitching unit.
Preferably, can carry out cutting and/or heat treatment in described finisher traversal and after-treatment system.
Accompanying drawing explanation
Fig. 1 heavy type commercial car of the present invention car beam rush the technological process of rolling integrated production method;
Total figure of integrated special production line is rolled in Fig. 2 punching;
The uncoiling smoothing section schematic diagram of integrated special production line is rolled in Fig. 3 punching;
The front plate rolling bracket frame schematic diagram of integrated special production line is rolled in Fig. 4 punching;
The numerical control punching section schematic diagram of integrated special production line is rolled in Fig. 5 punching;
The rear plate rolling bracket frame schematic diagram of integrated special production line is rolled in Fig. 6 punching;
The roll forming section schematic diagram of integrated special production line is rolled in Fig. 7 punching;
The post processing section schematic diagram of integrated special production line is rolled in Fig. 8 punching;
Car beam section comparison diagram in the car beam product cross section that Fig. 9 process of the present invention is produced and prior art.
Description of reference numerals:
1-stock shelf system; 2-levelling machine;
3-is flush cutting machine; 4-leading truck;
Plate rolling bracket frame before 5-; 6-XY is to mobile numerical control press;
7-directive wheel; Grasping system is moved in the left numerical control of 8-;
Grasping system is moved in the right numerical control of 9-; Plate rolling bracket frame after 10-;
11-roll extrusion unit; 12-discharging frame;
13-moves cutting machine; 14-finisher traversal machine and after-treatment system
Detailed description of the invention
Performance of the present invention is described in detail below in conjunction with accompanying drawing, but their also paired not restrictions of the present invention, only for example.Simultaneously by illustrating that advantage of the present invention will become clearly and easy understand.
As shown in Figure 1, heavy type commercial car car Liang Chong of the present invention rolls integrated production method and adopts the metal coiled material such as 16Mn coil of strip material or low-alloy steel coiled strip to be raw material, and produce heavy type commercial car car beam, coiled strip thickness is below 5mm.The method comprises the following steps: A-uncoiling, coiled strip uncoiling is formed continuous plate B-and removes burr, adopts the burr on the longitudinal side of burr remover removal plate; C-smooths, and adopts levelling machine to smooth plate; Cut-out that D-is flush, forms neat plate front end geometry by flush for the leading section of continuous plate cut-out; E-numerical control punching, adopts mobile numerical control press to carry out punching processing according to the requirement of car girder construction to continuous plate; F-roll forming, to carry out rolling and processing shaping for the plate behind hole to adopt roll extrusion unit to liquidate; G-cuts off, and adopts mobile cutting machine to carry out cut-out to the plate after roll forming according to the dimensional requirement of car beam and forms car beam; H-post processing, other cannot the hole of punching press to carry out laser cutting to car beam, can also carry out the heat treatments such as quenching to car beam.Can be understood, in the present invention for different raw material and final products technological requirement, in above-mentioned steps, B removal burr and H post processing are optional, that is, can not arrange and remove burr and post-processing step.
Integrated production method is rolled in order to realize heavy type commercial car car Liang Chong of the present invention, the present invention have also been devised the special production line that one is rolled in punching, as shown in Figure 2, it comprises uncoiling smoothing section, front plate rolling bracket frame, numerical control punching section, rear plate rolling bracket frame, roll forming section and post processing section six parts.Introduce referring to Fig. 3-Fig. 8 is concrete respectively.
Be illustrated in figure 3 the uncoiling smoothing section that one special production line is rolled in punching, in uncoiling smoothing section, coiled strip will complete A uncoiling, B removal burr, C smoothing and the flush cut-out operation of D.Uncoiling smoothing section, has stock shelf system 1, levelling machine 2, flush cutting machine 3 and leading truck 4.In process of production, be arranged on by coiled strip in stock shelf system 1, uncoiling speed is 1-10m/min, becomes continuous plate subsequently through levelling machine 2 smoothing.Flush cutting machine 5 will can start continuous seepage in the anterior flush cut-out of continuous plate subsequently.Continuous plate is constantly fed forward, and is transported to plate rolling bracket frame 5 as shown in Figure 4 after leading truck 4 positioning and guiding.Front plate rolling bracket frame 5 has a supporting bable tops be arranged on ground, a series of backer roll is provided with above supporting bable tops, rotated and the mating reaction of supporting bable tops by backer roll, plate be limited in the position of regulation and guide plate to be constantly fed forward arrival numerical control punching section.
Numerical control punching section as shown in Figure 5, the front end of continuous plate arrives left numerical control and moves after grasping system 8 and right numerical control move grasping system 9, continuous slab feed collet to be held in one or multiple stage XY in the working range of mobile numerical control press 6 by both, carries out punching processing by the Main computer control XY of special production line to mobile numerical control press 6 according to preset program.Continuous plate after punching completes plate roll bracket 10 after shown in directive wheel 7 and Fig. 6 enters roll forming section.
As shown in Figure 7, punching complete after continuous plate through after the conveying of plate roll bracket 10 continue to enter roll extrusion unit 11 and carry out rolling and processing.Roll extrusion unit 11 has 10-40 stitching unit, and continuous plate is bent to form predetermined aerial cross sectional shape by roller on each stitching unit in turn.The product with aerial cross sectional shape after roll extrusion enters post processing section by discharging frame 12.
As shown in Figure 8, in post processing section, product after roll-in adopts mobile cutting machine 13 to cut off according to the length requirement of car beam, car beam after cutting off subsequently enters finisher traversal machine and after-treatment system 14 carries out the following process such as laser cutting, plasma cut or heat treatment, final formation heavy type commercial car car beam finished product.
As shown in Figure 9, the rightmost side is the car beam section figure produced in prior art, can not produce bulk cross-sectional strength not high, and adopt double-decker raw material usage large, manufacturing process is complicated.In Fig. 9, two, left side sectional view is the heavy type commercial car car beam section figure adopting the present invention's punching to roll integral process production, and it has bulk cross section, intensity strengthens greatly, and need not adopt double-decker, raw material usage is few, and production technology is simple.
Carried out exemplary description to the specific embodiment of the present invention by reference to the accompanying drawings above, obvious scope of the present invention is not limited thereto, and the various distortion made in the thought that the present invention proposes all do not exceed scope of the present invention.
Claims (4)
1. rushing of heavy type commercial car car beam rolls integrated manufacturing method, with steel coiled strip for raw material, produces according to following steps order:
A-uncoiling, forms continuous plate by coiled strip uncoiling;
B-smooths, and adopts levelling machine to smooth continuous plate;
C-roll extrusion side burrs, is beneficial to side accurate positioning with the two sides of the continuous plate of roller roll extrusion to go out deburring;
Cut-out that D-is flush, forms neat plate front end geometry by flush for the leading section of continuous plate cut-out;
E-numerical control punching, adopts one or multiple stage to move numerical control press and carries out punching processing according to the requirement of car girder construction to continuous plate;
F-roll forming, to carry out rolling and processing shaping for the plate behind hole to adopt roll extrusion unit to liquidate;
G-cuts off, and adopts mobile cutting machine to cut off the dimensional requirement of the plate after roll forming according to car beam;
H-aft-loaded airfoil, carries out laser cutting, plasma cut or heat treatment to the product after cutting off;
Wherein, above-mentioned steps B and step H is optional step.
2. manufacture the special production line of heavy type commercial car car beam, be included in uncoiling smoothing section, front plate rolling bracket frame, numerical control punching section, rear plate rolling bracket frame, roll forming section and post processing section six parts that ground connects in turn, it is characterized in that: described uncoiling smoothing section has stock shelf system (1), levelling machine (2), flush cutting machine (3), leading truck (4); Described numerical control punching section has left numerical control grasping system (8), right numerical control grasping system (9), one or multiple stage XY to mobile numerical control press (6); Described roll forming section has roll extrusion unit (11) and discharging frame (12); Described post processing section has mobile cutting machine (13) and finisher traversal machine and after-treatment system (14).
3. special production line according to claim 4, is characterized in that: described roll extrusion unit has multiple stitching unit, preferably has 10-40 stitching unit.
4. special production line according to claim 4, is characterized in that: can carry out cutting and/or heat treatment in described finisher traversal machine and after-treatment system (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410483255.8A CN104307973A (en) | 2014-09-22 | 2014-09-22 | Integrated punching-rolling production method and special production line for heavy-duty commercial vehicle beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410483255.8A CN104307973A (en) | 2014-09-22 | 2014-09-22 | Integrated punching-rolling production method and special production line for heavy-duty commercial vehicle beam |
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| CN104307973A true CN104307973A (en) | 2015-01-28 |
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| CN201410483255.8A Pending CN104307973A (en) | 2014-09-22 | 2014-09-22 | Integrated punching-rolling production method and special production line for heavy-duty commercial vehicle beam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858297A (en) * | 2015-04-07 | 2015-08-26 | 苏州金童机械制造股份有限公司 | Multifunctional metal-plate flexible production line |
| EP3156172A1 (en) * | 2015-10-12 | 2017-04-19 | BAE Systems PLC | Metal object production |
| CN109702429A (en) * | 2017-10-26 | 2019-05-03 | 沈阳黎明国际动力工业有限公司 | A kind of odd-shaped cross section cone segmental arc rolling processing process |
| CN112059539A (en) * | 2020-08-11 | 2020-12-11 | 辽宁衡业高科新材股份有限公司 | Continuous production process of 1100Mpa automobile chassis longitudinal beam |
| CN112222293A (en) * | 2020-09-04 | 2021-01-15 | 苏州市华威电梯部件有限公司 | Front-punching and rear-rolling processing technology for sill supporting plate |
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| FR2132531A1 (en) * | 1971-04-07 | 1972-11-24 | Connac Gabriel | Lattice web beams - forming by punching and shearing the web of a solid beam, to give a new beam of increased height |
| JPH0716601A (en) * | 1993-06-30 | 1995-01-20 | Aichi Steel Works Ltd | Manufacture of t-beam |
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| FR2132531A1 (en) * | 1971-04-07 | 1972-11-24 | Connac Gabriel | Lattice web beams - forming by punching and shearing the web of a solid beam, to give a new beam of increased height |
| JPH0716601A (en) * | 1993-06-30 | 1995-01-20 | Aichi Steel Works Ltd | Manufacture of t-beam |
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| US7712345B1 (en) * | 2007-05-29 | 2010-05-11 | Chun-Liang Chen | Main beam fabrication procedure and system for making a main beam for warehouse framework |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858297A (en) * | 2015-04-07 | 2015-08-26 | 苏州金童机械制造股份有限公司 | Multifunctional metal-plate flexible production line |
| EP3156172A1 (en) * | 2015-10-12 | 2017-04-19 | BAE Systems PLC | Metal object production |
| CN109702429A (en) * | 2017-10-26 | 2019-05-03 | 沈阳黎明国际动力工业有限公司 | A kind of odd-shaped cross section cone segmental arc rolling processing process |
| CN112059539A (en) * | 2020-08-11 | 2020-12-11 | 辽宁衡业高科新材股份有限公司 | Continuous production process of 1100Mpa automobile chassis longitudinal beam |
| CN112222293A (en) * | 2020-09-04 | 2021-01-15 | 苏州市华威电梯部件有限公司 | Front-punching and rear-rolling processing technology for sill supporting plate |
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Address after: 241080, Anhui, Wuhu Province three mountain development zone, No. 2 Bridge Road, The Union Buildings, set up Swiss joint heavy industry technology department Applicant after: Ni Kaiyu Address before: 241080 Huatai Industrial Co., Ltd., No. 9 ho Road, Wuhu three green food economy industrial park, Anhui Applicant before: Ni Kaiyu |
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Effective date of registration: 20160526 Address after: 241002 No. 11 Heng Shan Road, hi tech Development Zone, Anhui, Wuhu Applicant after: WUHU QINHUI TECHNOLOGY CO., LTD. Address before: 241080, Anhui, Wuhu Province three mountain development zone, No. 2 Bridge Road, The Union Buildings, set up Swiss joint heavy industry technology department Applicant before: Ni Kaiyu |
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Application publication date: 20150128 |