CN103273268A - Method for machining dumper longitudinal beam - Google Patents

Method for machining dumper longitudinal beam Download PDF

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Publication number
CN103273268A
CN103273268A CN2013101880466A CN201310188046A CN103273268A CN 103273268 A CN103273268 A CN 103273268A CN 2013101880466 A CN2013101880466 A CN 2013101880466A CN 201310188046 A CN201310188046 A CN 201310188046A CN 103273268 A CN103273268 A CN 103273268A
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CN
China
Prior art keywords
longeron
processing
blank
dumper
processing method
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.)
Pending
Application number
CN2013101880466A
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Chinese (zh)
Inventor
秦勇
洪羽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinotruk Chengdu Wangpai Commercial Vehicle Co Ltd
Original Assignee
Sinotruk Chengdu Wangpai Commercial Vehicle Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Sinotruk Chengdu Wangpai Commercial Vehicle Co Ltd filed Critical Sinotruk Chengdu Wangpai Commercial Vehicle Co Ltd
Priority to CN2013101880466A priority Critical patent/CN103273268A/en
Publication of CN103273268A publication Critical patent/CN103273268A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a method for machining a dumper longitudinal beam. The method is characterized by comprising a first step of preparing a longitudinal beam workblank, a second step of punching the longitudinal beam workblank, a third step of cutting the punched longitudinal beam workblank and a fourth step of carrying out shot blasting on the cut longitudinal beam workblank. The method is simple in machining method, producing procedures are few, the number of used devices is small, and turnover time among the procedures is short, so that production efficiency is improved, production cost is reduced, and the method is suitable for being popularized and used.

Description

The processing method of dumper longeron
Technical field
The present invention relates to a kind of processing method of longeron, relate in particular to a kind of processing method of dumper longeron.
Background technology
Along with the raising that user individual in recent years requires, enterprise product turns to many kinds, small lot, multiple batches of production model gradually.Vehicle frame is as the installation matrix of automobile assembly, and it is linked to be an organic whole with assemblies such as engine and vehicle bodies, is about to each assembly and forms a complete automobile.Now, various distortion vehicle frames emerge in an endless stream, and the modification of vehicle frame mainly is presented as the difference of longeron, thereby longeron are required high.The vehicle frame parts are mainly made by the steel plate punching press, and longeron is again one of vital part wherein, and weight accounts for vehicle frame gross weight 55%, produce longitudinal beam at present generally between 100kg~250kg.In the dumper vehicle frame was produced, machining accuracy and the production efficiency of longeron played decisive role.
At present, the manufacturing procedure of longeron is as follows: 1, plate shearing machine blanking; 2, smoothing; 3, dull and stereotyped punching; 4, plate correction of the flank shape; 5, hydraulic press is shaped; 6, gas cutting correction of the flank shape; 7, bead.In the process of longeron, the main equipment that needs to use comprises that large-scale plate shearing machine, numerical control flat board are towards production line, large-tonnage hydraulic press, compressed air shotblasting machine.This shows that the longeron production process is many, use equipment is many, between the operation turnaround time long, production efficiency is low.Each needs 7 operators its medium-and-large-sized plate shearing machine and large-tonnage hydraulic press place, because longeron is heavier, labor strength is quite big, the hydraulic press place processes the high longeron of different abdomens needs more mold exchange, this large mold mould replacing time is long, for reducing the die change number of times, all understand usually and be the longeron stock more, cause stock too much.
Summary of the invention
The objective of the invention is to overcome the longeron processing method more complicated of present dumper, its production process is more, and use equipment is more, and the turnaround time between the operation is longer, thereby reduced production efficiency, improved production cost defective, provide a kind of not only processing method simple, production process is less, and use equipment is less, turnaround time between the operation is shorter, thereby has improved production efficiency, has reduced the processing method of the dumper longeron of production cost.
Purpose of the present invention is achieved through the following technical solutions: the processing method of dumper longeron, it is characterized in that, and may further comprise the steps:
(1) prepares the longeron blank;
(2) the longeron blank is carried out punching processing;
(3) the longeron blank after the punching is carried out cutting processing;
(4) the longeron blank after the cutting is carried out bead.
Further, described longeron blank adopts the cold rolling moulding.
Further again, the punching processing in the step (2) comprises towards longeron outside of belly hole and towards longeron aerofoil hole.
Further, the punching processing in the step (2) uses three digital stampings to finish.
In order to satisfy the demand, the cutting processing in the step (3) is the plasma cutting.
And described plasma cutting is finished by the plasma robot.
In order to realize the present invention better, use manipulator the longeron blank of completing steps (2) processing to be transferred to the cutting work station of step (3) processing.
Simultaneously, use manipulator the longeron blank of completing steps (3) processing to be transferred to the bead station of step (4) processing.
In order to ensure effect, described step (2) is finished a production line with step (3) and step (4).
The present invention compares than prior art, has the following advantages and beneficial effect:
(1) processing method of the present invention is simple, comprise get the raw materials ready, punching, cutting, bead, its production process is less, the turnaround time between the operation is shorter, operation easy to use; Simultaneously, the equipment that uses in the process is less, has therefore improved production efficiency, has reduced production cost.
(2) longeron blank of the present invention adopts the cold rolling moulding, thereby can guarantee the quality of longeron blank, is convenient to carrying out smoothly of following process.
(3) punching processing of the present invention comprises towards longeron outside of belly hole and towards longeron aerofoil hole, this punching processing is divided into the perpendicularity that two procedures carries out guaranteeing the outside of belly and the aerofoil of longeron, thereby guarantees outside of belly hole and the precision in aerofoil hole and the surface quality of longeron of longeron.
(4) the present invention uses the cutting processing of plasma cutting completing steps (3), thereby the surface quality that can guarantee cut surface uses manipulator the longeron blank of completing steps (2) processing to be transferred to the cutting work station of step (3) processing, thereby can prevent from using artificial transfer longeron blank to be not easy to guarantee to process the uniformity of longeron plate width, linearity, thereby influence the crudy of next procedure; Simultaneously can also reduce labor intensity of operating personnel, save labor cost.
(5) step of the present invention (2) is finished a production line with step (3) and step (4), has further reduced the turnaround time between the operation, therefore can further enhance productivity.
The specific embodiment
Be described in further detail below in conjunction with the present invention of embodiment:
Embodiment
The processing method of dumper longeron of the present invention at first needs to prepare the longeron blank, and described longeron blank is U-shaped.The longeron blank that the present invention uses can outsourcing, also can produce voluntarily.The raw material of producing the longeron blank are steel plate, then steel plate are used the compression moulding of cold rolling technology to get final product.Because steel plate length is bigger, therefore the steel plate behind the cold rolling technological forming need be cut according to the length of required longeron, both longeron blank required for the present invention.
The longeron blank of getting ready neatly is placed on the turnover rack in order, can hangs on the production line fast so that add man-hour.The present invention is to finish at a production line with the manufacturing procedure that the longeron blank is processed into the longeron finished product, thereby can reduce the turnaround time between the operation, enhances productivity.The turnover rack of having put the longeron blank is called in machining production line, can process the longeron blank.
At first, the longeron blank is carried out punching processing, the present invention uses three digital stampings to finish punching processing to the longeron blank.Before carrying out punch process, need be with three numerical control presses of procedure input of punching, so that three numerical control presses carry out punching processing to the longeron blank.The present invention uses manipulator to press the preset program material loading, uses the manipulator material loading can guarantee the uniformity of longeron plate width, linearity, and then guarantees the quality of punching processing; Pre-set programs can be according to the blanking time of the time set material loading of punching processing, thereby can guarantee that the punching station is orderly and continual produces, and can enhance productivity.Punching of the present invention comprises towards longeron outside of belly hole and towards longeron aerofoil hole, namely dash the preceding station of production towards the outside of belly hole of longeron blank at three, use manipulator that the longeron blank is turned to three back stations of dash producing then, three numerical control presses then to the both wings of longeron blank towards longeron aerofoil hole.
Then, the longeron blank is carried out cutting processing, the present invention uses the plasma cutting that the longeron blank is carried out cutting processing, and simultaneously, cutting processing of the present invention is finished by robot, i.e. the present invention uses the plasma robot that the longeron blank is carried out cutting processing.Same, finish the processing of punching operation after, the present invention uses manipulator that the longeron blank is transferred to the cutting processing station, the plasma robot then cuts the longeron blank by pre-set programs, thereby the longeron blank is cut into the shape of required longeron.
At last, the longeron blank is carried out bead.Same, the longeron blank of finishing the cutting processing operation is transferred to the bead station also finished by manipulator, use compressed air shotblasting machine that the longeron blank on the shot-peening station is carried out bead then, namely get required longeron product.Leave the longeron product of finishing processing under order the production line piling, be sent to assembly line then, longeron can be installed on the car body of dumper.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. the processing method of dumper longeron is characterized in that, may further comprise the steps:
(1) prepares the longeron blank;
(2) the longeron blank is carried out punching processing;
(3) the longeron blank after the punching is carried out cutting processing;
(4) the longeron blank after the cutting is carried out bead.
2. according to the processing method of the described dumper longeron of claim 1, it is characterized in that: described longeron blank adopts the cold rolling moulding.
3. according to the processing method of claim 1 or 2 described dumper longerons, it is characterized in that: the punching processing in the step (2) comprises towards longeron outside of belly hole and towards longeron aerofoil hole.
4. according to the processing method of the described dumper longeron of claim 3, it is characterized in that: the punching processing in the step (2) uses three digital stampings to finish.
5. according to the processing method of the described dumper longeron of claim 4, it is characterized in that: the cutting processing in the step (3) is the plasma cutting.
6. according to the processing method of the described dumper longeron of claim 5, it is characterized in that: described plasma cutting is finished by the plasma robot.
7. according to the processing method of each described dumper longeron of claim 4~6, it is characterized in that: use manipulator the longeron blank of completing steps (2) processing to be transferred to the cutting work station of step (3) processing.
8. according to the processing method of the described dumper longeron of claim 7, it is characterized in that: use manipulator the longeron blank of completing steps (3) processing to be transferred to the bead station of step (4) processing.
9. according to the processing method of the described dumper longeron of claim 8, it is characterized in that: described step (2) is finished a production line with step (3) and step (4).
CN2013101880466A 2013-05-20 2013-05-20 Method for machining dumper longitudinal beam Pending CN103273268A (en)

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Application Number Priority Date Filing Date Title
CN2013101880466A CN103273268A (en) 2013-05-20 2013-05-20 Method for machining dumper longitudinal beam

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103738412A (en) * 2013-12-23 2014-04-23 柳州乘龙专用车有限公司 Dump truck chassis carling
CN104307973A (en) * 2014-09-22 2015-01-28 倪慨宇 Integrated punching-rolling production method and special production line for heavy-duty commercial vehicle beam
CN104439914A (en) * 2014-09-28 2015-03-25 安徽江淮汽车股份有限公司 Manufacturing method of S-shaped beam
CN110153277A (en) * 2019-05-23 2019-08-23 雅安宸皓机械有限公司 Heavy goods vehicles spandrel girder processing technology

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000071136A (en) * 1998-08-27 2000-03-07 Daito Seiki Kk Drilling-cutting method for long material and cutting method for long material
CN1453098A (en) * 2003-05-23 2003-11-05 中国重型汽车集团有限公司 Machining process of hole in longitudinal chassis beam
CN101602165A (en) * 2009-06-16 2009-12-16 中国重汽集团济南动力有限公司 The production technology of longitudinal beam of high-strength heavy load truck
CN201824135U (en) * 2010-10-15 2011-05-11 山东拓维数控设备有限公司 On-line automatic production line for numerically-controlled punching and cutting
CN102463464A (en) * 2010-11-18 2012-05-23 北汽福田汽车股份有限公司 Equipment and method for machining carriage longitudinal beam

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000071136A (en) * 1998-08-27 2000-03-07 Daito Seiki Kk Drilling-cutting method for long material and cutting method for long material
CN1453098A (en) * 2003-05-23 2003-11-05 中国重型汽车集团有限公司 Machining process of hole in longitudinal chassis beam
CN101602165A (en) * 2009-06-16 2009-12-16 中国重汽集团济南动力有限公司 The production technology of longitudinal beam of high-strength heavy load truck
CN201824135U (en) * 2010-10-15 2011-05-11 山东拓维数控设备有限公司 On-line automatic production line for numerically-controlled punching and cutting
CN102463464A (en) * 2010-11-18 2012-05-23 北汽福田汽车股份有限公司 Equipment and method for machining carriage longitudinal beam

Non-Patent Citations (4)

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Title
乔战林: ""重型汽车车架纵梁加工"", 《科技情报开发与经济》 *
乔战林: ""重型汽车车架纵梁加工"", 《科技情报开发与经济》, vol. 21, no. 28, 19 March 2012 (2012-03-19), pages 221 - 222 *
王晓丽: ""中重型卡车车架纵梁制造方案选择"", 《2007年中国机械工程学会年会论文汇编》 *
邓文琦,钟波,宋兴源: ""汽车纵梁及加强梁机器人等离子切割生产线"", 《电焊机》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103738412A (en) * 2013-12-23 2014-04-23 柳州乘龙专用车有限公司 Dump truck chassis carling
CN104307973A (en) * 2014-09-22 2015-01-28 倪慨宇 Integrated punching-rolling production method and special production line for heavy-duty commercial vehicle beam
CN104439914A (en) * 2014-09-28 2015-03-25 安徽江淮汽车股份有限公司 Manufacturing method of S-shaped beam
CN104439914B (en) * 2014-09-28 2017-05-24 安徽江淮汽车集团股份有限公司 Manufacturing method of S-shaped beam
CN110153277A (en) * 2019-05-23 2019-08-23 雅安宸皓机械有限公司 Heavy goods vehicles spandrel girder processing technology

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Application publication date: 20130904