CN102452002B - Blanking method and system for automobile plate - Google Patents

Blanking method and system for automobile plate Download PDF

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Publication number
CN102452002B
CN102452002B CN 201010515886 CN201010515886A CN102452002B CN 102452002 B CN102452002 B CN 102452002B CN 201010515886 CN201010515886 CN 201010515886 CN 201010515886 A CN201010515886 A CN 201010515886A CN 102452002 B CN102452002 B CN 102452002B
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CN
China
Prior art keywords
cutting
waste
blanking
working cell
liner plate
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CN 201010515886
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Chinese (zh)
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CN102452002A (en
Inventor
吴瑞珉
金文海
阎启
金成国
杨赛丹
王玉明
乔俊良
潘胜波
吕常青
Original Assignee
宝山钢铁股份有限公司
上海宝钢国际经济贸易有限公司
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Priority to CN 201010515886 priority Critical patent/CN102452002B/en
Publication of CN102452002A publication Critical patent/CN102452002A/en
Application granted granted Critical
Publication of CN102452002B publication Critical patent/CN102452002B/en

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Abstract

The invention discloses a blanking method and system for an automobile plate. The blanking method comprises the following steps of: arranging automobile plate sheets, determining the shape and size of an assembly material according to the multiple lengths of the sheets, and cutting into an assembly material; designing a lining plate die according to waste to be cut from the assembly material, and hollowing the lining plate die correspondingly to the waste to form a blanking hole, wherein the size of the blanking hole is larger than the blanking size of practically-cut waste; placing the assembly material on the lining plate die; performing laser cutting on the assembly material according to the shape of the automobile plate sheet and making the cut waste fall onto a lower waste conveying belt through the blanking hole of the lining plate die; and stacking the cut sheets. Due to the adoption of the method and the system, waste can be treated effectively, and the blanking efficiency is increased.

Description

A kind of Automobile Plate blanking method and system

Technical field

The present invention relates to auto manufacturing technology, particularly a kind of Automobile Plate blanking method and system.

Background technology

Traditional Automobile Plate blanking adopts the mould blanking, and its equipment is formed and comprised: supply unit, press unit and stacking unit.Simple tablet shape (as rectangle, trapezoidal and arc) can adopt pendulum butt formula, and the tablet of complex curve adopts the mould blanking.The blanking line need be according to the different blanking die of the tablet size shape of vehicle configuration, produces different tablets by mold exchange more.

Automobile Plate blanking line operating efficiency is very high, 4,000,000~6,000,000/every year.By 3800 hours annual calculating, average per minute was about 25.

Along with the fast development in recent years of high power laser technology, many institutes and manufacturer begin one's study and are used for Automobile Plate blanking technology based on optical fiber laser.U.S. AUTOMATIC FEED and French AIRLIDUILD company have issued Automobile Plate blanking technology based on laser cutting in public information.The technical scheme of U.S. AUTOMATIC FEED company proposes two kinds of blanking patterns based on laser technology: a kind of roll coil of strip continuous feed blanking, a kind of is the stepping blanking.

1, strip continuous feed blanking:

Sheet stock is carried out discharge, and the quantity n according to the laser cutting head that arranges is divided into n part according to the operation homeostatic principle with single-piece sheet stock line of cut; When strip entered first cutting operation zone, first's line segment or the curve of cutting sheet stock were as semicircle; When strip entered second cutting operation zone, second portion line segment or the curve of cutting sheet stock were as other hemicycle.The circle waste material is fallen on the waste material band of bottom; When strip enters the 3rd cutting operation zone, third part line segment or the curve of cutting sheet stock; Limit portion waste material is fallen on the waste material band of bottom; When strip enters the 4th cutting operation zone, the 4th part line segment or curve of cutting sheet stock.Limit portion waste material is fallen on the waste material band of bottom; Strip by the clamping driven roller after, the 5th cutting head transverse cuts cut the last coupling part between the sheet stock; Sheet stock enters buttress material zone, and stacking.

2, stepping blanking:

Sheet stock is carried out discharge; Blank in groups, and be transported to cutting work station; The group material enters cutting zone, and stops; Two groups of transfer rollers vertically are adjusted to cutting waste material shape before and after the cutting work station; First zone cutting of sheet stock is finished, and waste material falls into the waste material conveyer belt; Strip advances to second cutting zone of sheet stock and stops; Two groups of transfer rollers vertically are adjusted to cutting waste material shape before and after the cutting work station; Second zone cutting of sheet stock finished, and waste material falls into the waste material conveyer belt; Strip advances to the 3rd cutting zone of sheet stock and stops; Two groups of transfer rollers vertically are adjusted to cutting waste material shape before and after the cutting work station; The 3rd zone cutting of sheet stock finished, and waste material falls into the waste material conveyer belt; After single each sheet stock cutting is finished, enter the stacking zone by conveying device.Follow-up strip is cut equally.

In addition, AIR LIQUILD company has proposed the waste material blanking scheme that a kind of strip cross-brace is adjusted.

AUTOMATIC FEED company and two families of AIR LIQUILD company unite the technical scheme that has proposed a kind of stepping laser blanking, totally adopt AIR LIQUILD company arrangement, and waste disposal adopts vertical adjustment scheme of AUTOMATIC FEED company.This scheme adopts expects and finished product tablet and stacking tablet in groups with 3 robot transports of the 7th.5 laser cutting unit are set, and wherein two is the cutting of sheet in groups, and three is the subregional cutting of monolithic material in addition.Also have two stations in addition as buffering batch turning station.

Tradition pendulum cut-off-die blanking does not grip for the strip front end has, the operating type that rear end folder rod stepping is carried.The strip bottom is wheeled supporting way, adopts the backhaul locking device during blanking operation.

The strip mode of movement of the continuous blanking that AUTOMATIC FEED company proposes has pinch roll in blanking cutting zone front and back end, and strip is pressed setting speed at this zone continuous feed.Discard transfer apparatus is arranged at the strip bottom, and the waste material of cutting is fallen on the conveyer belt.Last cutter is breaking at after the pinch roll of rear end.

The technological difficulties of this feeding style have following several aspect:

1. cut based on the shape of speed control strategy

What the size and shape error was had that the cutting operation of requirement adopts is the displacement control strategy, can guarantee the geometric accuracy requirement of cutting profile like this.The speed control strategy that the continuous blanking of AUTOMATIC FEED adopts, it is accurate based on pinching the strip speed of service, and the cutting robot of rectangular co-ordinate carries out cutting operation by track and the speed set.Pinch roll and strip velocity deviation thereof will be brought the error of cutting profile, and joint-cutting can't dock, and waste material can not come off.Since many cutting machine operations simultaneously, even adopt strip speed measuring device (as laser velocimeter), the also difficult joint-cutting butt joint of guaranteeing the multiple devices cutting operation.

2. three equipment linear velocities are identical, and the scheme of AUTOMATIC FEED requires strip pinch roll speed, two of pinch roll front and back to support strip pin type endless conveyors by same speed operation, otherwise the meeting of support of the pin type on the conveyer belt scratches strip.

3. pin type supports the pin on the carrier chain, the one, easily cut bad, the 2nd, the little waste material of cutting easily is stuck on the conveyer belt.

4. the plate shape of cutting zone can't guarantee

When friction feeding and cutting, strip is at the state of cutting zone.This scheme has three sections cutting zones to add top pinch roll cut-out zone afterwards, zones of different of each zone cutting sheet stock.Strip is in the state that pinches tension force, but the horizontal tension of the different sections of strip is widely different, and plate shape can't guarantee, the quality of influence cutting.During cutting operation, cutting head and plate identity distance are from 0.5mm~1mm.

5. pinch roll punishment in advance difficulty after

Friction feeding and when cutting, plate during pinch roll, are not only pulled pinch roll easily, and can be caused getting stuck even broken belt later.

6. strip wanders off to the influence of shape cutting

Strip is carried by pinch roll, and spacing is more than 10m, strip walk the batch waste product that the assistant general causes cutting operation.So this scheme must have the correction centralising device.

7. the joint-cutting merging precision requires high

Because tablet is finished for many cover cutting machines cuts in zones of different, the cutting machine operation of operation later on need dock with the joint-cutting of preceding operation, come off to guarantee waste material.Because at strip moving process butt joint joint-cutting, pinch roll motion and Cartesian robot motion progress and plate shape are proposed very high requirement, the technology of realization and equipment cost are very high.

8. the sheet stock cutting track under the relative motion situation

Though cutting equipment is the robot of rectangular co-ordinate 3DOF, because the strip unidirectional motion, the idle stroke that the tablet cutting track is difficult to realize or needs are a large amount of guarantees.

9. separate unit cutting machine fault can cause producing the line stopping production

Because the strategy that adopted many covers cutting machine that same sheet stock zones of different is cut, when cutting equipment fault wherein, can influence the operation that whole piece produces line.Finish the cutting operation that produces line as need when the single cover cutting machine fault, must adopt the cutting control strategy of complexity and hardware technology to realize cutting operation under the abnormal conditions.

The Automobile Plate laser stepping blanking scheme that AUTOMATIC FEED company and AIR LIQUILD company unite proposition is a lot of by force than the technical feasibility of the continuous blanking scheme of AUTOMATIC FEED company proposition.The technological difficulties of this stepping blanking are the blanking of waste material and produce the line yield in unit time.

Summary of the invention

The object of the present invention is to provide a kind of Automobile Plate blanking method and system, can improve the efficient of blanking effectively to the cutting waste disposal.

For achieving the above object, technical scheme of the present invention is:

The Automobile Plate blanking method at first, carries out discharge to the Automobile Plate sheet stock, press the sheet stock multiple lengths and determine group material shape, size, and cutting is expected in groups; Then, need the waste material of excision to carry out the design of liner plate mould according to the group material, corresponding waste material place hollow out forms material-dropping hole on the liner plate mould, and the material-dropping hole size is greater than the size of reality cutting waste material blanking; Then, will organize material is placed on the liner plate mould; To the shape laser cutting of group material by the Automobile Plate sheet stock, the waste material of excision is fallen on the scrap web of bottom by the material-dropping hole of liner plate mould; The sheet stock of well cutting carries out the stacking operation.

Further, after the cutting of group material, will organize material by transfer robot and be carried on the liner plate mould of cutting working cell from group material carrier chain; The cutting equipment of cutting working cell carries out the cutting operation of sheet stock, and the waste material of excision is fallen bottom waste material guide groove from the material-dropping hole of liner plate mould, and is slipped on the waste material conveyer belt; After the cutting of monolithic material is finished, respectively the sheet stock of well cutting is carried out the stacking operation by the stacking robot.

In addition, the liner plate mould is designed to one group of 4 sheet stock, or is 6 one group according to the operation Design of length of producing line.

Again, each transfer robot of group material carrier chain both sides, two cutting working cells are respectively established in the transfer robot both sides; Each cuts the side of working cell and establishes the stacking robot.

Described transfer robot adopts the vacuum cup mode to pick up and placement group material.

Described liner plate mould is cutting processing on the cutting working cell directly, and the location.

Automobile Plate blanking system of the present invention, it comprises, group material carrier chain; At least one transfer robot is arranged at group material carrier chain one side; At least one cutting working cell is positioned at transfer robot one side; At least one laser cutting machine established in the cutting working cell; The side of cutting working cell is established the stacking robot; The liner plate mould is arranged at the cutting working cell, and corresponding waste material place hollow out forms material-dropping hole on the liner plate mould, and the material-dropping hole size is greater than the size of reality cutting waste material blanking; The liner plate mould bottom of cutting working cell is provided with the waste material chute, and corresponding waste material chute is also established scrap web.

Further, a transfer robot is respectively established in described group of material carrier chain both sides, and two cutting working cells are respectively established in the transfer robot both sides, forms 4 cutting working cells; Two laser cutting machines are established in each cutting working cell, and the side of each cutting working cell is established 2 stacking robots.

Described laser cutting machine is the Cartesian robot form, can be longitudinally, transverse movement, and two laser cutting machines are vertically having part forked working zone.

The invention has the advantages that:

The present invention adopts the rejecting mode of laser cutting waste material, continuous and the stepping discharged way that is different from AUTOMATIC FEED and AIR LIQUILD company, the sheet stock carrier chain need not to carry waste material or need not dynamically adjust the flexible carrier chain length that connects material, and it carries out waste material by sheet stock liner plate mould and removes.The present invention adopts the separate unit Cartesian robot to finish the cutting operation of monolithic material, has avoided the joint-cutting butt joint of AUTOMATICFEED and AIR LIQUILD company blanking scheme and the variety of issue that cutting accuracy brings.

Tool flexibility of the present invention and independence, wherein the fault of single cover cutting equipment does not influence the operation that whole piece produces line, only needs that fault cutting equipment automatic or manual is left cutting zone and gets final product.

Description of drawings

Fig. 1 is the vertical view of Automobile Plate blanking system one embodiment of the present invention.

Fig. 2 is the schematic perspective view of one embodiment of the invention.

Fig. 3 is the side view of Fig. 2.

Fig. 4 is the schematic diagram of liner plate mould of the present invention.

The specific embodiment

Referring to Fig. 1~Fig. 4, one embodiment of the present of invention.In the present embodiment, Automobile Plate blanking system of the present invention, it comprises, group material carrier chain 1; Two transfer robots 2,3 are arranged at group material carrier chain 1 one sides; Four the cutting working cells 5,5 ', 5 ", 5 ' ", be positioned at transfer robot 2,3 one sides; Two laser cutting machines 6,6 ' are established in cutting working cell 5 (be example with cutting working cell 5, other cutting working cells are identical); The side of cutting working cell 5 (be example with cutting working cell 5, down with) is established 2 stacking robots 7,7 '; Liner plate mould 8 is arranged at cutting working cell 5, and corresponding waste material place hollow out forms material-dropping hole 81 on the liner plate mould 8, and the material-dropping hole size is greater than the size of reality cutting waste material blanking; Carrying out discharge formation group material 4 by sheet stock is positioned on the liner plate mould 8; Liner plate mould 8 bottoms of cutting working cell 5 are provided with waste material chute 9, and corresponding waste material chute 9 is also established scrap web 10.

Described laser cutting machine 6,6 ' is the Cartesian robot form, can be longitudinally, transverse movement, and two cutting machines 6,6 ' are vertically having part forked working zone.

Press sheet stock discharge actual conditions in groups, cutting group material.Be General Motors D06 back door inner panel thin plate sheet stock group material situation in the present embodiment, this group material 4 contains four socket sheet stocks 11.

Liner plate mould 8 designs by arranging of four socket sheet stocks 11, needs the waste material of excision to carry out the design of liner plate mould according to the group material, and corresponding waste material place hollow out forms material-dropping hole 81 on the liner plate mould 8.This liner plate mould is cutting processing on cutter unit directly, and the location.The material-dropping hole that has cut need be handled, and is convenient to blanking.The material-dropping hole size is greater than the size of reality cutting waste material blanking.

The group material is transported to desired location by group material carrier chain 1, gets material for two transfer robots 2,3.Two transfer robots 2,3 are got material successively according to Job Policies and are placed into four cutting working cells 5,5 ', 5 respectively ", 5 ' " the liner plate mould on and the location.

Transfer robot 2,3 adopts the vacuum cup mode to pick up and placement group material.

Each cutting working cell 5 comprises: the laser cutting machine 6,6 ' of the base frame 51 of cutter unit, liner plate mould 8, two Cartesian robot forms.

The vertical impulse stroke of the laser cutting machine operation of two Cartesian robot forms covers two sheet stock cutting zones.Two cutting machines are vertically having part forked working zone.

Each cutting working cell configuration one cover stacking unit.Each stacking unit comprises two stacking robots and two buttress positions, four buttress positions or six buttress positions.The stacking robot adopts vacuum cup to pick up mode.The stacking strategy is: big part can adopt single-piece vacuum pick stacking; Smallclothes adopt many and pick up way of stacking, and the sucker position can dynamically be adjusted, and divide the buttress windrow; Carry out finished product in the time of cutting operation and pick up the stacking operation, i.e. robot is finished in cutting just can pick up also stacking.

The work flow of laser cutting blanking is as follows:

Transfer robot 2 grasps first block of group material 4 from group material carrier chain 1, transports and is placed on the liner plate mould 8 of cutting working cell 5.Laser cutting machine 6,6 ' two sides at cutting base frame 51 during blowing;

Laser cutting machine 6,6 ' begins to organize the cutting operation of material according to presetting cutting strategy and operation track; Two laser cutting machines 6,6 ' the equidirectional operation, the end from base frame, another is from the middle part of base frame.Laser cutting machine 6,6 ' workload equilibrium, the monolithic sheet stock is finished by the separate unit laser cutting machine, and welding limit one-pass cuts out;

After second group expected that reaching transfer robot picks up the position, transfer robot 3 picked up second block of group material, transported and be placed into cutting working cell 5 " the liner plate mould on.Cutting working cell 5 " two laser cutting machines begin to organize the cutting operation of material according to presetting cutting strategy and operation track;

After the 3rd group expected that reaching transfer robot picks up the position, transfer robot 2 picked up the 3rd block of group material, transports and is placed on the liner plate mould of cutting working cell 5 '.Two laser cutting machines of cutting working cell 5 ' begin to organize the cutting operation of material according to presetting cutting strategy and operation track;

After the 4th group expected that reaching transfer robot picks up the position, transfer robot 3 picked up the 4th block of group material, transported and be placed into cutting working cell 5 ' " the liner plate mould on.Cutting working cell 5 ' " two cutting machines begin to organize the cutting operation of material according to presetting cutting strategy and operation track;

Each cuts the working cell after individual sheet stock or the cutting of many sheet stocks are finished, and the stacking robot 7,7 ' of corresponding stacking robot such as correspondence cutting working cell 5 picks up the stacking operation.

After cutting working cell 5 cutting operations and stacking operation were finished, laser cutting machine 6,6 ' moved to two ends that cut base frame respectively.Transfer robot 2 is transported to the 5th block of group material on the 5 liner plate moulds of cutting working cell, and laser cutting machine 6,6 ' cutting machine begin cutting operation.

So move in circles, the 6th block of group material is transported to cutting working cell 5 "; The 7th block of group material is transported to cutting working cell 5 '; The 8th block of group material is transported to cutting working cell 5 ' ".

The present invention is because the cutting working cell is arranged in employing group material carrier chain both sides, and cooperate transfer robot, stacking robot, make whole piece produce line tool flexibility and independence, the fault of single cover cutting equipment does not influence the operation that whole piece produces line, only needs that fault cutting equipment automatic or manual is left cutting zone and gets final product.

Claims (10)

1. the Automobile Plate blanking method at first, carries out discharge to the Automobile Plate sheet stock, press the sheet stock multiple lengths and determine group material shape, size, and cutting is expected in groups; Then, need the waste material of excision to carry out the design of liner plate mould according to the group material, corresponding waste material place hollow out forms material-dropping hole on the liner plate mould, and the material-dropping hole size is greater than the size of reality cutting waste material blanking; Then, will organize material is placed on the liner plate mould; To the shape laser cutting of group material by the Automobile Plate sheet stock, the waste material of excision is fallen on the scrap web of bottom by the material-dropping hole of liner plate mould; The sheet stock of well cutting carries out the stacking operation.
2. Automobile Plate blanking method as claimed in claim 1 is characterized in that, after the cutting of group material, will organize material by transfer robot and be carried on the liner plate mould of cutting working cell from group material carrier chain; The cutting equipment of cutting working cell carries out the cutting operation of sheet stock, and the waste material of excision is fallen bottom waste material guide groove from the material-dropping hole of liner plate mould, and is slipped on the waste material conveyer belt; After the cutting of monolithic material is finished, respectively the sheet stock of well cutting is carried out the stacking operation by the stacking robot.
3. Automobile Plate blanking method as claimed in claim 1 or 2 is characterized in that, the liner plate mould is designed to one group of 4 sheet stock, or is 6 one group according to the operation Design of length of producing line.
4. Automobile Plate blanking method as claimed in claim 2 is characterized in that, each transfer robot of group material carrier chain both sides, and two cutting working cells are respectively established in the transfer robot both sides; Each cuts the side of working cell and establishes the stacking robot.
5. as claim 2 or 4 described Automobile Plate blanking methods, it is characterized in that described transfer robot adopts the vacuum cup mode to pick up and placement group material.
6. Automobile Plate blanking method as claimed in claim 1 or 2 is characterized in that, described liner plate mould is cutting processing on the cutting working cell directly, and the location.
7. the Automobile Plate blanking system is characterized in that, comprise,
Group material carrier chain;
At least one transfer robot is arranged at group material carrier chain one side;
At least one cutting working cell is positioned at transfer robot one side; At least one laser cutting machine established in the cutting working cell; The side of cutting working cell is established the stacking robot;
The liner plate mould is arranged at the cutting working cell, and corresponding waste material place hollow out forms material-dropping hole on the liner plate mould, and the material-dropping hole size is greater than the size of reality cutting waste material blanking;
The liner plate mould bottom of cutting working cell is provided with the waste material chute, and corresponding waste material chute is also established scrap web.
8. Automobile Plate blanking system as claimed in claim 7 is characterized in that, a transfer robot is respectively established in described group of material carrier chain both sides, and two cutting working cells are respectively established in the transfer robot both sides, forms 4 cutting working cells; Two laser cutting machines are established in each cutting working cell, and the side of each cutting working cell is established 2 stacking robots.
9. as claim 7 or 8 described Automobile Plate blanking systems, it is characterized in that described laser cutting machine is the Cartesian robot form.
10. Automobile Plate blanking system as claimed in claim 8 is characterized in that, described laser cutting machine is the Cartesian robot form, can be longitudinally, transverse movement, and two laser cutting machines are vertically having part forked working zone.
CN 201010515886 2010-10-22 2010-10-22 Blanking method and system for automobile plate CN102452002B (en)

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Application Number Priority Date Filing Date Title
CN 201010515886 CN102452002B (en) 2010-10-22 2010-10-22 Blanking method and system for automobile plate

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CN102452002B true CN102452002B (en) 2013-07-17

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US9566677B2 (en) 2012-03-08 2017-02-14 Baoshan Iron & Steel Co., Ltd. Motor vehicle panel blanking method and system
CN103600172B (en) 2013-04-28 2017-02-08 宝山钢铁股份有限公司 Uncoiling and blanking method
CN103600173B (en) * 2013-04-28 2015-12-09 宝山钢铁股份有限公司 The method of the fast platform cutting of a kind of two station and system thereof
CN103600171B (en) * 2013-04-28 2015-12-09 宝山钢铁股份有限公司 The method and system of a kind of metallic plate loading and unloading and cutting
CN103600170B (en) * 2013-04-28 2015-08-26 宝山钢铁股份有限公司 A kind of longitudinal metal plate loading and unloading and cutting method and system thereof
CN105858551B (en) * 2016-05-03 2017-12-29 江苏中天科技股份有限公司 A kind of double wide row journey clipping type pallet fork for fiber reel crawl
CN108581218B (en) * 2018-04-10 2020-03-20 上海柏楚电子科技股份有限公司 Shredding method facilitating waste separation in pipe laser cutting
CN109351840A (en) * 2018-09-30 2019-02-19 东风汽车集团有限公司 A kind of blanking method for realizing longitudinal fine pruning on uncoiling blanking mould

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