CN203599742U - Four-axis double-station spot welding robot - Google Patents

Four-axis double-station spot welding robot Download PDF

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Publication number
CN203599742U
CN203599742U CN201320836941.XU CN201320836941U CN203599742U CN 203599742 U CN203599742 U CN 203599742U CN 201320836941 U CN201320836941 U CN 201320836941U CN 203599742 U CN203599742 U CN 203599742U
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China
Prior art keywords
tooth bar
spot welding
welding robot
shaft
gripper shoe
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Expired - Fee Related
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CN201320836941.XU
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Chinese (zh)
Inventor
唐清春
刘谦
马仲亮
张健
黎国强
闫欣然
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Guangxi University of Science and Technology
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Guangxi University of Science and Technology
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Abstract

Disclosed is a four-axis double-station spot welding robot. An X-direction rack and an X-direction supporting plate of an electrode holder supporting mechanism are connected to form a mechanism which drives the X-direction supporting plate to move along the X-direction rack through power, a Y-direction rack and a Y-direction supporting plate are connected to form a mechanism which drives the Y-direction supporting plate to move along the Y-direction rack through power, and a Z-direction rack and a Z-direction supporting plate are connected to form a mechanism which drives the Z-direction supporting plate to move along the Z-direction rack through power. The Y-direction rack is fixedly arranged on an X-direction supporting mechanism, and the Z-direction rack is fixedly arranged on a Y-direction supporting mechanism. The four-axis double-station spot welding robot has the advantages that a revolving workbench is used in the spot welding robot, the welding efficiency is improved, the applied range is expanded, an electrode holder is separated from a welding machine, the weight of the electrode holder is lowered in the working process, the movement inertia of the electrode holder is lowered, welding stability and precision are improved, welding accuracy is improved, welding quality is guaranteed, it is guaranteed that the machine can work ceaselessly, and the spot welding robot is easy to operate, low in production cost and appropriate in size.

Description

Four-shaft two-operating positions spot welding robot
Technical field
The utility model relates to machining robot, particularly four-shaft two-operating positions spot welding robot.
Background technology
Along with China's fast development of auto manufacturing in recent years, automobile buffer beam, as the important spare part of vehicle body, just strides forward towards the direction of scale, industrialization.In traditional collision prevention girders production technology, the mode of manual spot welding is mainly taked in the welding job that completes collision prevention girders, and product quality is not only wayward like this, and welding efficiency is low, can not meet the requirement of production in enormous quantities, in addition, severe welding surroundings also can damage human body.Therefore, for requirements such as satisfied complexity, labour intensity and product qualities of welding manufacturing process, make welding procedure very urgent for the requirement of automation, mechanization, realize robot automatic welding and replace the mode of production of artificial welding imperative.
Now domesticly realize Automation of Welding and produce and mainly contain two kinds of modes, one is highly intelligentized multiple degrees of freedom welding robot, another kind of be the special welding lathe for special weldment.Welding robot has the scope of application and welding precision widely as the flexiblesystem of standard, but large fund input in early stage and the maintenance cost of its tool allows numerous small and medium-sized manufacturing enterprises hang back; Special welding lathe is applicable to user's special producing demand, and versatility is poor, and the production that has restricted welding machine tool is promoted.Therefore, can take into account on both bases a little, a cost performance automatic welding machine people high, applied widely has wide market prospects.
Summary of the invention
The purpose of this utility model is just to provide a kind of four-shaft two-operating positions spot welding robot, there is the four-spindle automatic welding robot of X, Y, tri-linear axis of Z and rotary table, by changing the fixture of workbench, can complete the automatic welding work of different model front anticollision beam of automobile.The motion control of welding robot, by computer programming software programming program mode, is sent to PLC, is sent to servomechanism and realizes four-shaft two-operating positions spot welding robot after PLC processes.
Solution of the present utility model is such:
The utility model comprises welding machine suspension bracket, soldering turret, soldering turret supporting mechanism, workpiece support mechanism, described soldering turret supporting mechanism comprises directions X tooth bar, Y-direction tooth bar, Z direction tooth bar, described directions X tooth bar and directions X gripper shoe connect into the mechanism being moved along directions X tooth bar by power drive directions X gripper shoe, described Y-direction tooth bar and Y-direction gripper shoe connect into the mechanism being moved along Y-direction tooth bar by power drive Y-direction gripper shoe, described Z direction tooth bar and Z direction gripper shoe connect into the mechanism being moved along Z direction tooth bar by power drive Z direction gripper shoe, described Y-direction tooth bar is fixed on directions X supporting mechanism, described Z direction tooth bar is fixed on Y-direction supporting mechanism, described workpiece support mechanism is the rotating mechanism carrying out around Y-direction, comprise clamp body, detent mechanism and clamping device for holding workpiece, described clamp body and described workpiece support mechanism are hinged, the axis of its jointed shaft be with the Y-direction of supporting mechanism in the same way, described detent mechanism is for passing through alignment pin fixation workpiece position, and described clamp mechanism adopts the pneumatic clamping of workpieces that adds by telescopic cylinder, described workpiece support mechanism adopts double, for clamp two workpiece simultaneously.
Technical scheme also comprises more specifically: described welding machine suspension bracket is frame structure, stationary welding machine above framework, and described welding machine is connected to soldering turret by soldered wires.
Further: described soldering turret supporting mechanism is provided with directions X mechanical position limitation piece, for limiting the moving range of directions X gripper shoe.
Further: described soldering turret supporting mechanism is provided with Y-direction mechanical position limitation piece, for limiting the moving range of Y-direction gripper shoe.
Further: described soldering turret supporting mechanism is provided with Z direction machinery limited block, for limiting the moving range of Z direction gripper shoe.
Further: described clamp body is connected with upset cylinder, drives fixture to overturn by upset cylinder, and upset cylinder is by decelerator and the control of frequency control machine.
Further: described detent mechanism, by workpiece alignment pin, adopts plane and two pits mode positioning workpieces.
Further: described clamp mechanism, by manipulation hand-operated valve, makes telescopic cylinder will adjust backing plate location, clamping work pieces.
Further: described clamp body flip angle is+100 ° ~-100 °.
Further: described soldering turret and described Z direction gripper shoe are hinged.
Further: described workpiece support mechanism lower end connecting conveyor belt, the direction of transfer of described conveyer belt is consistent with the axis direction of fixture trip shaft.
The utility model has the advantages that:
(1) this Patent design frame for movement and the control system of rotary table, rotary table adopts decelerator and frequency control machine to drive, PLC controls, workbench can rotate freely in+100 ° ~-100 °, steadily, welding precision is high in motion;
(2) soldering turret of this Patent design and welding machine adopt separate type, have alleviated weight when soldering turret is worked, and have reduced the movement inertia of soldering turret, have improved welding stability and precision;
(3) working table combined clamp of this Patent design, by telescopic cylinder, adopts pneumatic pinch, and reliability is high, easy to operate;
(4) this patent adopts PLC to control the mass motion of machine, can realize any precise positioning within the scope of welding procedure, has improved welding precision, has guaranteed welding quality;
(5) this Patent design is workbench Double-station welding, can guarantee machine non-stop run, has improved operating efficiency;
(6) welding robot of this Patent design is simple to operate, and production cost is low, and volume is suitable, is applicable to general medium-sized and small enterprises and installs and uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The structural representation of Tu2Shi workpiece support mechanism.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the structural representation of welding bench.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is the three-dimensional structure schematic diagram of welding bench.
In accompanying drawing, comprise 1 welding machine suspension bracket, 2 drag chains, 3X direction drag chain link, 4 welding gun directions X line position base plates, the large drag chain link of 5 welding gun seat, 6Z direction cutter rail, the secondary planker of 7Z direction cutter rail, 8 welding gun Z directions move spelling platform, 9 servomotors, 10 soldering set fore-clamp supporting seats, 11 cylinders, in 12 soldering sets, press from both sides supporting seat, 13 battery valve plates, 14 soldering set roll-over table bases, 15 welding machines, 16 roll-over table flange backing plates, 17 soldering set roll-over table supports, after 18 soldering sets, press from both sides supporting seat, 19 roll-over table base supporting square tubes, 20 roll-over table limited blocks, 21 conveyer belts, 22 soldering set bases, 23 base square tube framves, 24 automatic welding bases, 25 automatic welding base fixed blocks, 26 conveyer belt supports, 27 decelerators, 28 roll-over table cylinders, 29 roll-over table gear wheels, the large tooth bar of 30 roll-over table, 31 gear base for supporting, 32X direction tooth bar, 33 cutter rail sunk screws, 34 tooth bar sunk screws, 35 guide rails, 36Y direction tooth bar, 37X direction machinery limited block, 38 linear guides slide blocks, 39 workpiece alignment pins, 40Y direction machinery limited block, 41 dust covers, 42 roll-over table reference blocks, 43 conveyer belt travellers, 44 soldering set roll-over table flanges, 45 flange bearings, 46 soldering turrets, 47 soldering turret Z direction beam columns, 48 directions X drag chain links, 49 automatic welding underframe feets, 50 telescopic cylinders, 51 clamp bodies.
The specific embodiment
The utility model comprises welding machine suspension bracket 1, soldering turret 46, soldering turret supporting mechanism, workpiece support mechanism, described soldering turret supporting mechanism comprises directions X tooth bar 32, Y-direction tooth bar 36, Z direction tooth bar, described directions X tooth bar 32 connects into directions X gripper shoe the mechanism being moved along directions X tooth bar 32 by power drive directions X gripper shoe, described Y-direction tooth bar 36 connects into Y-direction gripper shoe the mechanism being moved along Y-direction tooth bar 36 by power drive Y-direction gripper shoe, described Z direction tooth bar and Z direction gripper shoe connect into the mechanism being moved along Z direction tooth bar by power drive Z direction gripper shoe, Z direction tooth bar is fixed on soldering turret Z direction beam column 47, described Y-direction tooth bar 36 is fixed on directions X supporting mechanism, following directions X supporting mechanism moves along directions X, described Z direction tooth bar is fixed on Y-direction supporting mechanism, following Y-direction supporting mechanism moves along Y-direction, described workpiece support mechanism is the rotating mechanism carrying out around Y-direction, comprise clamp body 51, detent mechanism 39 and clamping device 50 for holding workpiece, described clamp body 51 is hinged with the rotating shaft of upset gear wheel 16, form the structure hinged with described workpiece support mechanism, the axis of its jointed shaft be with the Y-direction of supporting mechanism in the same way, described detent mechanism is for passing through alignment pin 39 fixation workpiece positions, and described clamp mechanism adopts the pneumatic clamping of workpieces that adds by telescopic cylinder 50, described workpiece support mechanism adopts double, for clamp two workpiece simultaneously.
Described welding machine suspension bracket 1 is frame structure, stationary welding machine 15 above framework, and described welding machine 15 is connected to soldering turret 46 by soldered wires.
Described soldering turret supporting mechanism is provided with directions X mechanical position limitation piece 37, for limiting the moving range of directions X gripper shoe.
Described soldering turret supporting mechanism is provided with Y-direction mechanical position limitation piece 40, for limiting the moving range of Y-direction gripper shoe.
Described soldering turret supporting mechanism is provided with Z direction machinery limited block, for limiting the moving range of Z direction gripper shoe.
Described clamp body is connected with upset cylinder 28, drives fixture to overturn by upset cylinder, and upset cylinder is controlled by decelerator 27 and frequency control machine 27.
Described detent mechanism, by workpiece alignment pin 39, adopts plane and two pits mode positioning workpieces.
Described clamp mechanism, by manipulation hand-operated valve, makes telescopic cylinder 50 will adjust backing plate location, clamping work pieces.
Described clamp body flip angle is+100 ° ~-100 °.
Described soldering turret 46 is hinged with described Z direction gripper shoe, for regulating the operating angle of soldering turret 46.
Described workpiece support mechanism lower end connecting conveyor belt, the direction of transfer of described conveyer belt is consistent with the axis direction of fixture trip shaft, supports conveyer belt workpiece support mechanism is delivered to corresponding station by conveyer belt traveller 43.
Described upset cylinder 28 connects the large tooth bar 30 of upset, the large tooth bar 30 of described upset engages with upset gear wheel 29, the rectilinear motion of upset cylinder 28 is converted to the rotation of upset gear wheel 29, upset gear wheel 26 rotating shaft be the jointed shaft of described clamp body and workpiece support mechanism, be fixed on upset gear wheel 26 clamp body follow upset gear wheel 26 motion realize upset for overturn workpiece arrive different stations.
Workflow of the present utility model is: soldering turret moves to first solder joint of first face of welding work pieces, start welding, under the control of program, weld, when after the solder joint being soldered on this face, soldering turret moves to home, the rotary table of the first station is rotated certain angle automatically, and then soldering turret moves to the 2nd solder side and carries out the welding of all the other points.Weld after this face, soldering turret moves to second station and carries out the welding job of first station of repetition, and meanwhile, clamping workman is at the part of first station of clamping.The weld interval of a station probably about 2 minutes, the part that during this period of time workman can clamping another station, thus keep lathe to keep at work always.

Claims (10)

1. a four-shaft two-operating positions spot welding robot, comprise welding machine suspension bracket, soldering turret, soldering turret supporting mechanism, workpiece support mechanism, it is characterized in that: described soldering turret supporting mechanism comprises directions X tooth bar, Y-direction tooth bar, Z direction tooth bar, described directions X tooth bar and directions X gripper shoe connect into the mechanism being moved along directions X tooth bar by power drive directions X gripper shoe, described Y-direction tooth bar and Y-direction gripper shoe connect into the mechanism being moved along Y-direction tooth bar by power drive Y-direction gripper shoe, described Z direction tooth bar and Z direction gripper shoe connect into the mechanism being moved along Z direction tooth bar by power drive Z direction gripper shoe, described Y-direction tooth bar is fixed on directions X supporting mechanism, described Z direction tooth bar is fixed on Y-direction supporting mechanism, described workpiece support mechanism is the rotating mechanism carrying out around Y-direction, comprise clamp body, detent mechanism and clamping device for holding workpiece, described clamp body and described workpiece support mechanism are hinged, the axis of its jointed shaft be with the Y-direction of supporting mechanism in the same way, described detent mechanism is for passing through alignment pin fixation workpiece position, and described clamp mechanism adopts the pneumatic clamping of workpieces that adds by telescopic cylinder, described workpiece support mechanism adopts double, for clamp two workpiece simultaneously.
2. four-shaft two-operating positions spot welding robot according to claim 1, is characterized in that: described welding machine suspension bracket is frame structure, stationary welding machine above framework, and described welding machine is connected to soldering turret by soldered wires.
3. four-shaft two-operating positions spot welding robot according to claim 1, is characterized in that: described soldering turret supporting mechanism is provided with directions X mechanical position limitation piece, for limiting the moving range of directions X gripper shoe.
4. four-shaft two-operating positions spot welding robot according to claim 1, is characterized in that: described soldering turret supporting mechanism is provided with Y-direction mechanical position limitation piece, for limiting the moving range of Y-direction gripper shoe.
5. four-shaft two-operating positions spot welding robot according to claim 1, is characterized in that: described soldering turret supporting mechanism is provided with Z direction machinery limited block, for limiting the moving range of Z direction gripper shoe.
6. four-shaft two-operating positions spot welding robot according to claim 1, is characterized in that: described clamp body is connected with upset cylinder, drives fixture to overturn by upset cylinder, and upset cylinder is by reductor and the control of frequency control machine.
7. four-shaft two-operating positions spot welding robot according to claim 1, is characterized in that: described detent mechanism, by workpiece alignment pin, adopts plane and two pits mode positioning workpieces.
8. according to the four-shaft two-operating positions spot welding robot described in claim 1 or 6, it is characterized in that: described clamp body flip angle is+100 ° ~-100 °.
9. four-shaft two-operating positions spot welding robot according to claim 1, is characterized in that: described soldering turret and described Z direction gripper shoe are hinged.
10. four-shaft two-operating positions spot welding robot according to claim 1, is characterized in that: described workpiece support mechanism lower end connecting conveyor belt, the direction of transfer of described conveyer belt is consistent with the axis direction of fixture trip shaft.
CN201320836941.XU 2013-12-18 2013-12-18 Four-axis double-station spot welding robot Expired - Fee Related CN203599742U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320836941.XU CN203599742U (en) 2013-12-18 2013-12-18 Four-axis double-station spot welding robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320836941.XU CN203599742U (en) 2013-12-18 2013-12-18 Four-axis double-station spot welding robot

Publications (1)

Publication Number Publication Date
CN203599742U true CN203599742U (en) 2014-05-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753058A (en) * 2013-12-18 2014-04-30 广西科技大学 Four-shaft double-station spot welding robot
CN104128708A (en) * 2014-07-28 2014-11-05 中南大学 Double-station automatic coupling welding equipment used for coaxial photoelectronic devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753058A (en) * 2013-12-18 2014-04-30 广西科技大学 Four-shaft double-station spot welding robot
CN104128708A (en) * 2014-07-28 2014-11-05 中南大学 Double-station automatic coupling welding equipment used for coaxial photoelectronic devices
CN104128708B (en) * 2014-07-28 2015-07-29 中南大学 For the duplexing bit-type automatic coupling welding equipment of coaxial type opto-electronic device

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

Granted publication date: 20140521

Termination date: 20141218

EXPY Termination of patent right or utility model