CN202356810U - Automatic welding system for lifter - Google Patents

Automatic welding system for lifter Download PDF

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Publication number
CN202356810U
CN202356810U CN 201120285992 CN201120285992U CN202356810U CN 202356810 U CN202356810 U CN 202356810U CN 201120285992 CN201120285992 CN 201120285992 CN 201120285992 U CN201120285992 U CN 201120285992U CN 202356810 U CN202356810 U CN 202356810U
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CN
China
Prior art keywords
welding
lift
manipulator
dimensional
control
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.)
Expired - Fee Related
Application number
CN 201120285992
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Chinese (zh)
Inventor
张小栋
陈迪剑
麻天星
迟晓明
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Suzhou Academy of Xian Jiaotong University
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Suzhou Academy of Xian Jiaotong University
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Priority to CN 201120285992 priority Critical patent/CN202356810U/en
Application granted granted Critical
Publication of CN202356810U publication Critical patent/CN202356810U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an automatic welding system for a lifter, which is characterized by comprising a welding manipulator, a three-dimensional combined welding table, a control system and a man-machine interaction interface, wherein the welding manipulator is used for welding the lifter, the three-dimensional combined welding table is used for clamping and positioning workpieces and matched with the welding manipulator to weld seams at positions and angles of the workpieces by means of movement including rotation and the like, and the control system is connected with the welding manipulator and the three-dimensional combined welding table. By the aid of the existing automatic welding manipulator, the self-developed and self-designed double-station three-dimensional combined welding table, various peripheral control cabinets and the man-machine interaction interface, typical body components of the lifter are efficiently and automatically welded by means of cooperative control technology.

Description

A kind of lift automation welding system
Technical field
The utility model belongs to the lift production field, is specifically related to a kind of lift automation welding system.
Background technology
Lift is to utilize cage or platform etc. with the plant equipment that people, thing transport up and down along guide rail, is to accomplish indispensable machinery in conveying and the lifting task, is basis and very important a kind of electromechanical equipment in the national economy all trades and professions.Just present, domestic and international lift production technology, solder technology especially wherein exists bigger difference.Nearly all top lift manufacturer all concentrates on the countries and regions of North America, Japan and these minorities of Europe.Through technological improvement and the innovation of decades, the lift production of these countries and regions has production efficiency height, assembling level height and technology advanced person or the like advantage, and whole production basically all is full-automatic, and is very little to labour's dependency degree.The special rex lift company of the U.S. for example; Formed the automation welding production center of lift, the automation cooperation that it can realize automatic control, transmission and the loading and unloading equipment of welding method and the process of lift in producing is controlled and the automation control of assembling process etc.The situation of each lift manufacturer of China is that overall strength is uneven, and the research and development level is low, and the low and capacity for technological innovation of the mechanization level of production is relatively poor etc.Therefore indiscriminately imitate the production technology and the pattern in above-mentioned developed country and area, and be not suitable for the lift production industry of China.The original lift production technology of China then needs to improve widely simultaneously, and the mode of production also need change.Therefore, need a kind of lift automation welding system to enhance productivity.
The utility model content
The utility model purpose is: a kind of lift automation welding system is provided; This system selects existing automatic welding machine tool hand for use; Cooperate the double three-dimensional arrangement welding bench of self development and Design and the various switch boards and the human-computer interaction interface of periphery; Adopt the cooperation control technology, efficiently, automatically accomplish the weld task of lift typical case body member.
The technical scheme of the utility model is: a kind of lift automation welding system; It is characterized in that, comprise being used for welding manipulator that lift is welded, be used for clamping, location workpiece; Through self motion such as rotation grade; Cooperate the three-dimensional arrangement welding bench of accomplishing the welding of each position of workpiece, all angles weld seam with said welding manipulator, control system and human-computer interaction interface, said control system links to each other with welding manipulator and three-dimensional arrangement welding bench.
Further; Said three-dimensional arrangement welding bench comprises three bases and is installed in the three-dimensional frock clamp on said three bases; The connection that said three-dimensional frock clamp comprises basic part, effectively be connected basic part and three bases and expand part, keeper, locking member and active grab fast, said keeper, locking member and active grab are positioned on the basic part fast.
Further, said three bases are two x axis of orientations and a z axis of orientation, and every axle is by step motor drive.
Further; Said three-dimensional frock clamp is two; Frame in one of them three-dimensional frock clamp clamping lift body member; Inside casing in another three-dimensional frock clamp clamping lift body member, said two three-dimensional frock clamps lay respectively on two x axis of orientations, and the centre has division board to separate.
Further, said welding manipulator comprises manipulator body, welding machine, control cabinet and teach box.
Further, said welding manipulator is for adopting the welding manipulator of carbon dioxide gas arc welding.
Further, said welding manipulator is two.
Further, the core controller of said control system is a Programmable Logic Controller.
Further, said human-computer interaction interface is a touch-screen.
Operation principle: as shown in Figure 1, the utility model lift automation welding system is made up of two stations, is respectively the loading and unloading station in left side and the automatic welding post on right side.The work characteristics of this system is following:
1) to each lift body member; The lift body member that at first will weld places the anchor clamps in three-dimensional arrangement welding bench left side to carry out the material loading clamping; Secondly the horizontal direction rotation along with welding bench rotates to the automatic welding post in right side with the lift body member; By two 6 welding manipulators it is welded; The lift body member of accomplishing welding at last carries out blanking along with the horizontal direction of welding bench rotates to left side loading and unloading station again, accomplishes the weld task of whole lift body member;
2) for whole three-dimensional arrangement welding bench; One side is dismantled a body member that has welded completion, and the next body member that need to be about to welding is installed subsequently; And opposite side; Then carry out the welding procedure of a lift body member simultaneously, to increase substantially production efficiency.
(1) welding procedure
As shown in Figure 2, the utility model institute welding lift body member generally is formed by connecting 4~6 whole frames, and a whole frame then is made up of an inside casing and two frames, and owing to the difference of product serial, the size of whole frame also has some classifications simultaneously.As shown in Figure 3, inside casing is rectangular-shaped, is made up of the ear of square tube, pipe and connection usefulness, therefore has than the multitask weld seam; Frame then is a strip, is made up of square tube and ear, and the task weld seam is less.If inside casing and frame are placed on the anchor clamps, then can make design of Clamping Apparatus very complicated, and the flexible adjustable of anchor clamps also possibly realized hardly.So the utility model separates the welding of inside casing and frame, on two anchor clamps, carries out frock and welding respectively, so can give full play to the advantage of rotary table, improve the welding efficiency of whole frame simultaneously.Therefore the frock clamp of the three-dimensional arrangement welding bench left and right sides will design according to institute's welding object; Be that workbench one side frock clamp is used for clamping location inside casing; The opposite side frock clamp is used for clamping location frame; Compatible multiple size simultaneously fully, make the retained part of anchor clamps can be up and down or about regulate mobilely, realize flexible adjustable.
The welding manner of welding manipulator that the utility model is selected for use is a carbon dioxide gas arc welding, and the cost of this welding manner has only 40~50% of submerged-arc welding and manual electric arc welding, and productivity ratio is 1~4 times of manual electric arc welding; Be open arc; Thickness of workpiece is not limit, can be carried out all-position welding and can weld downwards, weld seam low hydrogen and nitrogen content are also less; Angular deformation is 5/1000ths; Unevenness has only 3/1000ths, and spatter is very little in addition, is suitable for the welding at the indoor lift body member that carries out.
Inside casing task weld seam is more, but basically all is the circular weld seam that pipe follows the square tube butt joint to produce, and square tube butt joint produces with square tube rectangle weld seam and square tube both ends connect the rectangle weld seam that ear produces.By light-duty crane and workman cooperation with expect on the workpiece step up on the workbench and locate after, welding manipulator at first welds inside casing centre pipe and square tube, square tube and square tube, little pipe and three groups of workpiece of square tube, four ears in end is welded at last again.Half girth of intelligence circular weld seam of welding and rectangle weld seam on an anchor clamps face; Can not accomplish welding to complete cycle; Therefore weld needs stepper motor to move behind the semi-perimeter of all weld seams on the anchor clamps face anchor clamps face to be overturn, make welding manipulator to weld half girth that all weld seams are left.Receive copper welding wire to dissolve that the back is mobile better drips the constraint of getting off through regular meeting in addition; Being controlled to be from lower to upper of welding manipulator welding gun welded here, for example semicircle weld seam, and then correct welding sequence is served as reasons a beneath side toward the circular arc welded top; Opposite side is again toward the circular arc welded top under then manipulator being moved to; As shown in Figure 4, the rectangle weld seam adopts the same manner to weld, and is as shown in Figure 5.
The utility model has the advantages that:
The lift automation welding system of the utility model; The technology and the mode of welding during lift is produced have been enriched; The situation that adapts to dumbwaiter manufacturing enterprise in China; Improved the welding efficiency and the welding precision of lift body, made lift manufacturing enterprise break away from the situation that the labour is highly relied on.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 is the whole composition frame chart of the lift automation welding system of the utility model.
Fig. 2 is a lift body member composition diagram.
Fig. 3 is inside casing, housing sketch map.
Fig. 4 is circular weld seam welding sequence figure;
Fig. 5 is rectangle weld seam welding sequence figure.
Fig. 6 is a three-dimensional arrangement welding bench configuration picture.
Fig. 7 is the welding process particular flow sheet.
Wherein: 1 frame anchor clamps; 2 division boards; 3 three-dimensional arrangement welding benches; 4 inside casing anchor clamps; 5 welding manipulators; 6 welding manipulators; 7 stepper motors; 8 frames; 9 inside casings.
The specific embodiment
Embodiment: 1. welding manipulator: welding manipulator is typical electromechanical integration high-tech product, and is powerful, easy and simple to handle.This utility model is selected for use on the market than the welding manipulator finished product of main flow, mainly comprises manipulator body, welding machine, control cabinet and teach box etc.The major parameter of the welding manipulator of selecting for use is as shown in table 1.Start from the consideration to the size and the welding efficiency of welding object, this utility model adopts two welding manipulators to weld.
Table 1 welding manipulator major parameter table
2. three-dimensional arrangement welding bench: the three-dimensional arrangement welding bench is as shown in Figure 6.The three-dimensional arrangement welding bench is used for clamping, location workpiece, through self motion such as rotation grade, cooperates the welding of accomplishing each position of workpiece, all angles weld seam with welding manipulator.This workbench mainly is made up of three-dimensional frock clamp and three bases.Three-dimensional frock clamp mainly is made up of basic part, connection and expansion part, keeper, quick locking member, active grab etc., and wherein basic part is the main body and the support of whole three-dimensional frock clamp; Connect and expand part basic part effectively is connected with welding stage; Keeper positions to guarantee the form and position tolerance of the welder of institute part workpiece; Locking member can guarantee that welding stage and basic part, connector, keeper, compressing member replace fast fast; Active grab can guarantee that part is not shifted in the welding process, exerts pressure simultaneously to reduce welding deformation.Base designs is three, is two x axis of orientations (two anchor clamps can pivot) and a z axis of orientation (workbench integral body can be rotated around beneath axle), and every axle can be realized the accurate control of all angles by step motor drive.Two x axis of orientations of workbench dispose two different anchor clamps respectively, the frame in one of them anchor clamps clamping lift body member, the inside casing in another anchor clamps clamping lift body member.And a side of regulation workbench is the loading and unloading station, and an other side is automatic welding post, and the centre is isolated two stations by division board.In addition between the variation of welding object (lift member) dimensions; Three-dimensional arrangement welding bench two secondary design of Clamping Apparatus have been considered the flexible adjustable of anchor clamps; The retained part that can make anchor clamps can be according to the variation of welding object and can be up and down or about move, realized the flexible adjustable of anchor clamps on the three-dimensional arrangement welding bench.
3. control system and human-computer interaction interface: core controller adopts the small PLC (Programmable Logic Controller) of S7-200 series; CPU 224 with regard to this utility model employing; It has 14 input points and 10 output points; Can expand its input and output with expansion module easily again simultaneously, therefore be suitable for this utility model fully and require the control system of building.Three axles on the three-dimensional arrangement welding bench are by step motor drive; This utility model is come the pilot angle displacement through the control impuls number; Thereby reach the purpose of accurate location; This utility model is controlled speed and the acceleration that motor rotates through the control impuls frequency simultaneously, thereby reaches the purpose of speed governing.Man-machine interface is selected the K-TP 178micro touch-screen with the Siemens Company of the fine compatibility of S7-200 series of PLC for use; Be the HMI product of a new generation, thereby can be connected the configuration of conveniently carrying out man-machine interface with the programming software STEP 7 of S7-200 easily with WinCC flexible configuration.This outer control system also comprises the switch board and the various connection cable of the control cabinet of welding manipulator, whole automation welding system.Memory capacity and I/O that the welding manipulator control cabinet has super large count, and can be connected with diverse networks such as Ethernet, Device-net, have the best welding condition of automatic setting, the starting the arc and receive to disturb function such as supervision again.Automation welding system switch board is used to place various electric elements and cable, is the tie of contact core controller, welding manipulator and human-computer interaction interface, designs and place the less place of industry spot radiation voluntarily.Cable has various cables, power line, holding wire etc. again, and whole system is coupled together.This control system is detected the real-time action signal of two welding manipulators by core controller S7-200 series of PLC; After calculation process, control signal is sent to three stepper motors; Thereby drive three axle actions of three-dimensional arrangement welding bench; Cooperate welding manipulator to coordinate to accomplish weld task each other, touch-screen then is the interface of man-machine interaction, and the workman can realize monitoring and the control to whole welding system whereby.
(3) workflow
The welding process idiographic flow is as shown in Figure 7.Can be by expecting the workbench anchor clamps on the manual work workpiece that perhaps light-duty crane will weld and adjusting workpiece and carry out clamping; The workbench rotation begins workpiece is welded at automatic welding post welding manipulator, and the station of loading and unloading simultaneously continues to be responsible for feeding by the workman; To be welded finishing, the workbench rotation is on automatic welding post; Welding manipulator begins new a collection of workpiece is welded, and loading and unloading station place carries out blanking by the workpiece that the workman will just accomplish welding, and then carries out material loading; New workpiece a collection of to be welded placed adjust on the workbench and clamping; So periodic duty also need be distinguished inside casing and frame in addition, notes according to workbench anchor clamps form material loading.

Claims (9)

1. lift automation welding system; It is characterized in that, comprise being used for welding manipulator that lift is welded, be used for clamping, location workpiece; Through self motion such as rotation grade; Cooperate the three-dimensional arrangement welding bench of accomplishing the welding of each position of workpiece, all angles weld seam with said welding manipulator, control system and human-computer interaction interface, said control system links to each other with welding manipulator and three-dimensional arrangement welding bench.
2. lift automation welding system according to claim 1; It is characterized in that; Said three-dimensional arrangement welding bench comprises three bases and is installed in the three-dimensional frock clamp on said three bases; The connection that said three-dimensional frock clamp comprises basic part, effectively be connected basic part and three bases and expand part, keeper, locking member and active grab fast, said keeper, locking member and active grab are positioned on the basic part fast.
3. lift automation welding system according to claim 2 is characterized in that, said three bases are two x axis of orientations and a z axis of orientation, and every axle is by step motor drive.
4. lift automation welding system according to claim 3; It is characterized in that; Said three-dimensional frock clamp is two, the frame in one of them three-dimensional frock clamp clamping lift body member, the inside casing in another three-dimensional frock clamp clamping lift body member; Said two three-dimensional frock clamps lay respectively on two x axis of orientations, and the centre has division board to separate.
5. lift automation welding system according to claim 1 is characterized in that said welding manipulator comprises manipulator body, welding machine, control cabinet and teach box.
6. lift automation welding system according to claim 5 is characterized in that, said welding manipulator is for adopting the welding manipulator of carbon dioxide gas arc welding.
7. lift automation welding system according to claim 6 is characterized in that said welding manipulator is two.
8. lift automation welding system according to claim 1 is characterized in that, the core controller of said control system is a Programmable Logic Controller.
9. lift automation welding system according to claim 1 is characterized in that said human-computer interaction interface is a touch-screen.
CN 201120285992 2011-08-08 2011-08-08 Automatic welding system for lifter Expired - Fee Related CN202356810U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120285992 CN202356810U (en) 2011-08-08 2011-08-08 Automatic welding system for lifter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120285992 CN202356810U (en) 2011-08-08 2011-08-08 Automatic welding system for lifter

Publications (1)

Publication Number Publication Date
CN202356810U true CN202356810U (en) 2012-08-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102310304A (en) * 2011-08-08 2012-01-11 西安交通大学苏州研究院 Automatic welding system of lift
CN104227329A (en) * 2013-06-21 2014-12-24 镇江德隆机电设备有限公司 Production improvement method of construction hoist
CN104607832A (en) * 2014-12-15 2015-05-13 广西科技大学 Method for controlling mechanical arm to perform automatic welding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102310304A (en) * 2011-08-08 2012-01-11 西安交通大学苏州研究院 Automatic welding system of lift
CN104227329A (en) * 2013-06-21 2014-12-24 镇江德隆机电设备有限公司 Production improvement method of construction hoist
CN104607832A (en) * 2014-12-15 2015-05-13 广西科技大学 Method for controlling mechanical arm to perform automatic welding

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120801

Termination date: 20140808