CN108655614A - A kind of assembly line automatic spot-welding device - Google Patents

A kind of assembly line automatic spot-welding device Download PDF

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Publication number
CN108655614A
CN108655614A CN201810468613.6A CN201810468613A CN108655614A CN 108655614 A CN108655614 A CN 108655614A CN 201810468613 A CN201810468613 A CN 201810468613A CN 108655614 A CN108655614 A CN 108655614A
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CN
China
Prior art keywords
shaft
welding
rotatablely
work shape
output shaft
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Application number
CN201810468613.6A
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Chinese (zh)
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CN108655614B (en
Inventor
王欧然
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.)
JIANGSU JINLING ZHIZAO RESEARCH INSTITUTE Co.,Ltd.
NANJING CHENGUANG GROUP Co.,Ltd.
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王欧然
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups

Abstract

The invention discloses a kind of assembly line automatic spot-welding device, servo motor is arranged in device body lower left side, and servo motor top is rotatablely connected output shaft, and output shaft top passes through device body upper end and bearing is rotatablely connected therewith;First bevel gear is fixedly connected in the middle part of output shaft, first bevel gear engages second bevel gear, and second bevel gear is fixedly connected with driven shaft, and driven shaft both sides difference fitting sunpender lower part, sunpender upper end fixed connection apparatus body upper part.The device is rotated by the driven shaft band movable eccentric wheel of rotation, the reciprocal up and down motion of work shape block is realized under the collective effect of resetting spring and eccentric wheel, the output shaft of rotation drives fixing axle to rotate and then Step Shaft is driven to rotate synchronously using synchronous belt simultaneously, the Step Shaft of rotation drives lead screw to rotate and then lantern ring is driven constantly to be moved down along sliding slot, it realizes that the work shape block of Xiang Duiing while back and forth up and down motion spot welding of welding rod moves down push welding rod, ensures that welding rod can be touched effectively on workpiece every time in pinpoint welding procedure.

Description

A kind of assembly line automatic spot-welding device
Technical field
The present invention relates to a kind of industrial automation equipment, specifically a kind of assembly line automatic spot-welding device.
Background technology
Industrial automation is machinery equipment or production process in the case where not needing artificial direct intervention, mesh as expected Mark realizes the general designation for the information processings and process control such as measuring, manipulating.Automatic technology is exactly to explore and study to realize automation The methods and techniques of process.It is an integrated technology for being related to the technical fields such as machinery, microelectronics, computer.Simultaneously certainly Dynamicization technology also promotes the progress of industry, and nowadays automatic technology has been widely used in machine-building, electric power, has built Build, communications and transportation, the fields such as information technology, become the main means raised labour productivity.
Automation equipment usually needs to carry out spot welding processing, mesh on machine-building process line with very extensive Preceding spot welding automation equipment is combined realization automation function using manipulator with PLC and singlechip technology mostly, and cost is high It is expensive, and electronic component is fragile, maintenance cost is high.
Invention content
The purpose of the present invention is to provide a kind of assembly line automatic spot-welding devices, to solve to propose in above-mentioned background technology The problem of.
To achieve the above object, the present invention provides the following technical solutions:
A kind of assembly line automatic spot-welding device, including device body, servo motor, output shaft, driven shaft, eccentric wheel, work shape Servo motor is arranged in block, telescopic rod, resetting spring and cross bar, described device body lower part left side, and the rotation of servo motor top connects Output shaft is connect, output shaft top passes through device body upper end and bearing is rotatablely connected therewith;It is fixedly connected in the middle part of the output shaft First bevel gear, first bevel gear engage second bevel gear, and second bevel gear is fixedly connected with driven shaft, and driven shaft both sides are distinguished Fitting sunpender lower part, sunpender upper end fixed connection apparatus body upper part;The driven shaft right end is fixedly connected with eccentric wheel, eccentric wheel Lower part is bonded runner, and runner is rotatablely connected work shape block, and work shape block lower end both sides are symmetrical arranged telescopic rod, and telescopic rod upper end is fixed Connection work shape block lower end, telescopic rod lower part fitting upper cartridge, sleeve lower end fixed connection apparatus body bottom portion, sleeve bottom are set There are resetting spring, resetting spring upper end to abut telescopic rod lower end;Upper shaft, which is forwarded to move, on the right side of described device ontology is connected and fixed axis, Fixing axle and output shaft upper end are by synchronous band connection, and fixing axle lower part is sheathed with Step Shaft, and Step Shaft passes through on work shape block It holds and bearing is rotatablely connected therewith;The Step Shaft lower end is fixedly connected with lead screw upper end, and screw lower end bearing is rotatablely connected work shape Block, and lead screw outer surface thread connects lantern ring, lantern ring side is fixedly connected with cross bar, and the lantern ring other side is slidably connected sliding slot, sliding slot It is fixedly connected with work shape block.
As a further solution of the present invention:The cross bar right end is rotatablely connected gripper jaw.
As further scheme of the invention:The Step Shaft outer surface is circumferentially with multiple raised lines, table in fixing axle Face such as is circumferentially at the recessed bar of number, and the raised line of Step Shaft outer surface is embedded in the recessed bar of fixing axle inner surface.
As further scheme of the invention:The outer middle side part of the gripper jaw is rotatablely connected connecting rod right end, connecting rod left end It is rotatablely connected sliding block.
As further scheme of the invention:The sliding block is slidably connected card slot, and card slot is fixedly connected with cross bar outer surface, Fastening spring is equipped in card slot, fastening spring right end abuts sliding block.
As further scheme of the invention:The servo motor is fixedly connected with motor base, and motor base bolt is solid Determine attachment device ontology.
As further scheme of the invention:The servo motor wire connecting power and switch.
Compared with prior art, the beneficial effects of the invention are as follows:The device is turned by the driven shaft band movable eccentric wheel of rotation Output shaft profit dynamic, that the reciprocal up and down motion of work shape block is realized under the collective effect of resetting spring and eccentric wheel, while being rotated It is driven fixing axle to rotate with synchronous belt and then Step Shaft is driven to rotate synchronously, the Step Shaft of rotation drives lead screw to rotate and then drive Lantern ring is constantly moved down along sliding slot, realizes that the work shape block of Xiang Duiing while back and forth up and down motion spot welding of welding rod moves down push welding rod, Ensure that welding rod thawing constantly shortens in pinpoint welding procedure, welding rod can be touched effectively on workpiece every time, utilize purely mechanic equipment reality Existing automatic spot function, low cost, failure rate is low, and repair is convenient.
Description of the drawings
Fig. 1 is the structural schematic diagram of assembly line automatic spot-welding device.
Fig. 2 is the partial enlarged view of cross bar and gripper jaw and connecting rod in assembly line automatic spot-welding device.
Fig. 3 is the vertical view of cross bar and gripper jaw in assembly line automatic spot-welding device.
Fig. 4 is the sectional view of fixing axle and Step Shaft in assembly line automatic spot-welding device.
In figure:1- device bodies;2- servo motors;3- motor bases;4- output shafts;5- first bevel gears;6- second is bored Gear;7- driven shafts;8- sunpenders;9- synchronous belts;10- eccentric wheels;11- work shape blocks;12- runners;13- telescopic rods;14- sleeves; 15- resetting springs;16- fixing axles;17- Step Shafts;18- cross bars;19- lantern rings;20- lead screws;21- sliding slots;22- gripper jaws;23- Connecting rod;24- sliding blocks;25- fastening springs.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~4, in the embodiment of the present invention, a kind of assembly line automatic spot-welding device, including device body 1, watch Take motor 2, output shaft 4, driven shaft 7, eccentric wheel 10, work shape block 11, telescopic rod 13, resetting spring 15 and cross bar 18;The dress 1 lower left side of ontology setting servo motor 2 is set, servo motor 2 is fixedly connected with motor base 3, and 3 bolt of motor base is fixedly connected Device body 1,2 wire connecting power of servo motor and switch, and 2 top of servo motor is rotatablely connected output shaft 4, output shaft 4 Top passes through 1 upper end of device body and bearing is rotatablely connected therewith, and forward direction presses switch so that servo motor 2 is powered on drive Output shaft 4 rotates forward, and reversely presses switch so that output shaft 4 inverts;4 middle part of the output shaft is fixedly connected with first bevel gear 5, the One bevel gear 5 engages second bevel gear 6, and second bevel gear 6 is fixedly connected with driven shaft 7, and fitting sunpender is distinguished in 7 both sides of driven shaft The output shaft 4 of 8 lower parts, 8 upper end fixed connection apparatus ontology of sunpender, 1 top, rotation drives first bevel gear 5 to rotate and then drive Second bevel gear 6 and driven shaft 7 rotate;7 right end of the driven shaft is fixedly connected with eccentric wheel 10, and 10 lower part of eccentric wheel is bonded runner 12, runner 12 is rotatablely connected work shape block 11, and 11 lower end both sides of work shape block are symmetrical arranged telescopic rod 13, and 13 upper end of telescopic rod is fixed 11 lower end of connection work shape block, 13 lower part fitting sleeve of telescopic rod, 14 top, 14 lower end fixed connection apparatus ontology of sleeve, 1 bottom, 14 bottom of sleeve is equipped with resetting spring 15, and 15 upper end of resetting spring abuts 13 lower end of telescopic rod, and the driven shaft 7 of rotation drives bias Wheel 10 rotates and then runner 12 and work shape block 11 is driven to move down, and work shape block 11, which moves down, drives telescopic rod 13 to move down compression reseting spring 15, the reciprocal up and down motion of work shape block 11 is realized under the collective effect of resetting spring 15 and eccentric wheel 10.
1 right side upper shaft of described device ontology, which is forwarded to move, is connected and fixed axis 16, and fixing axle 16 passes through same with 4 upper end of output shaft It walks band 9 to connect, and 16 lower part of fixing axle is sheathed with Step Shaft 17, Step Shaft 17 passes through 11 upper end of work shape block and bearing rotates therewith The recessed bar for the numbers such as connection, 17 outer surface of Step Shaft are circumferentially with multiple raised lines, and 16 inner surface of fixing axle is circumferentially with, Step Shaft 17 The raised line of outer surface is embedded in the recessed bar of 16 inner surface of fixing axle, realizes that Step Shaft 17 can be along solid by raised line and recessed bar cooperation It slides up and down and cannot relatively rotate inside dead axle 16, the output shaft 4 of rotation drives fixing axle 16 to rotate using synchronous belt 9 And then Step Shaft 17 is driven to rotate synchronously;17 lower end of the Step Shaft is fixedly connected with 20 upper end of lead screw, and 20 bottom end bearing of lead screw turns Dynamic connection work shape block 11, and 20 outer surface thread of lead screw connects lantern ring 19,19 side of lantern ring is fixedly connected with cross bar 18, and lantern ring 19 is another Side is slidably connected sliding slot 21, and sliding slot 21 is fixedly connected with work shape block 11, and the Step Shaft 17 of rotation drives lead screw 20 to rotate and then drive Dynamic lantern ring 19 is constantly moved down along sliding slot 21, and wherein work shape block 11 back and forth moves up and down, and lantern ring 19 drives cross bar 18 with respect to work shape block 11 constantly move down.
18 right end of the cross bar is rotatablely connected gripper jaw 22, and 22 outer middle side part of gripper jaw is rotatablely connected 23 right end of connecting rod, even 23 left end of bar is rotatablely connected sliding block 24, and sliding block 24 is slidably connected card slot, and card slot is fixedly connected with 18 outer surface of cross bar, is set in card slot There are fastening spring 25,25 right end of fastening spring to abut sliding block 24, move gripper jaw 22 and be turned opening, by welding rod upper ends In 22 middle part of gripper jaw, gripper jaw 22 is unclamped, fastening spring 25 moves to right with movable slider 24 and then the movement of connecting rod 23 is driven to drive at this time Dynamic gripper jaw 22 clamps welding rod, drives output shaft 4 to rotate when servo motor 2 works, and work shape block 11 back and forth moves up and down, Lantern ring 19 drives cross bar 18 and gripper jaw 22 and welding rod constantly to be moved down with respect to work shape block 11, ensures that welding rod melts not in pinpoint welding procedure Disconnected to shorten, welding rod can be touched effectively on workpiece every time.
The present invention operation principle be:Forward direction presses switch and drives output shaft 4 to rotate forward so that servo motor 2 is powered on, Reversed to press switch so that output shaft 4 inverts, the output shaft 4 of rotation drives first bevel gear 5 to rotate and then drives the second cone tooth Wheel 6 and driven shaft 7 rotate, and the driven shaft 7 of rotation rotates with movable eccentric wheel 10 and then runner 12 and work shape block 11 is driven to move down, work Shape block 11, which moves down, drives telescopic rod 13 to move down compression reseting spring 15, real under the collective effect of resetting spring 15 and eccentric wheel 10 The reciprocal up and down motion of existing work shape block 11 realizes that Step Shaft 17 can glide on 16 inside of fixing axle by raised line and recessed bar cooperation It moves and cannot relatively rotate, the output shaft 4 of rotation drives fixing axle 16 to rotate driving Step Shaft 17 in turn using synchronous belt 9 It rotates synchronously, the Step Shaft 17 of rotation drives lead screw 20 to rotate and then lantern ring 19 is driven constantly to be moved down along sliding slot 21, wherein work shape Block 11 back and forth moves up and down, and lantern ring 19 drives cross bar 18 constantly to be moved down with respect to work shape block 11, moves gripper jaw 22 and is turned and beats It opens, by welding rod upper ends in 22 middle part of gripper jaw, unclamps gripper jaw 22, fastening spring 25 moves to right in turn with movable slider 24 at this time It drives the movement driving gripper jaw 22 of connecting rod 23 to clamp welding rod, drives output shaft 4 to rotate when servo motor 2 works, work shape Block 11 back and forth moves up and down, and lantern ring 19 drives cross bar 18 and gripper jaw 22 and welding rod constantly to be moved down with respect to work shape block 11, ensures point Welding rod thawing constantly shortens during weldering, and welding rod can be touched effectively on workpiece every time, after welding rod all melts, reversely presses Switch drives lantern ring 19 and gripper jaw 22 to move up the new welding rod of loading and reworks.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (7)

1. a kind of assembly line automatic spot-welding device, including device body(1), servo motor(2), output shaft(4), driven shaft (7), eccentric wheel(10), work shape block(11), telescopic rod(13), resetting spring(15)And cross bar(18), which is characterized in that the dress Set ontology(1)Servo motor is arranged in lower left side(2), servo motor(2)Top is rotatablely connected output shaft(4), output shaft(4)On Portion passes through device body(1)Upper end and therewith bearing are rotatablely connected;The output shaft(4)Middle part is fixedly connected with first bevel gear (5), first bevel gear(5)Engage second bevel gear(6), second bevel gear(6)It is fixedly connected with driven shaft(7), and driven shaft(7) Distinguish fitting sunpender in both sides(8)Lower part, sunpender(8)Upper end fixed connection apparatus ontology(1)Top;The driven shaft(7)Right end It is fixedly connected with eccentric wheel(10), eccentric wheel(10)Lower part is bonded runner(12), runner(12)It is rotatablely connected work shape block(11), and work Shape block(11)Lower end both sides are symmetrical arranged telescopic rod(13), telescopic rod(13)Upper end is fixedly connected with work shape block(11)Lower end is stretched Bar(13)Lower part fitting sleeve(14)Top, sleeve(14)Lower end fixed connection apparatus ontology(1)Bottom, sleeve(14)Bottom is set There is resetting spring(15), resetting spring(15)Upper end abuts telescopic rod(13)Lower end;Described device ontology(1)Right side upper end bearing It is rotatablely connected fixing axle(16), fixing axle(16)With output shaft(4)Upper end passes through synchronous belt(9)Connection, and fixing axle(16)Under Portion is sheathed with Step Shaft(17), Step Shaft(17)Across work shape block(11)Upper end and therewith bearing are rotatablely connected;The Step Shaft (17)Lower end is fixedly connected with lead screw(20)Upper end, lead screw(20)Bottom end bearing is rotatablely connected work shape block(11), and lead screw(20)Outside Thread surface connects lantern ring(19), lantern ring(19)Side is fixedly connected with cross bar(18), lantern ring(19)The other side is slidably connected sliding slot (21), sliding slot(21)It is fixedly connected with work shape block(11).
2. a kind of assembly line automatic spot-welding device according to claim 1, which is characterized in that the cross bar(18)Right end It is rotatablely connected gripper jaw(22).
3. a kind of assembly line automatic spot-welding device according to claim 1, which is characterized in that the Step Shaft(17)Outside Surface is circumferentially with multiple raised lines, fixing axle(16)Inner surface such as is circumferentially at the recessed bar of number, the Step Shaft(17)Outer surface it is convex Item is embedded in fixing axle(16)In the recessed bar of inner surface.
4. a kind of assembly line automatic spot-welding device according to claim 2, which is characterized in that the gripper jaw(22)Outside Middle side part is rotatablely connected connecting rod(23)Right end, connecting rod(23)Left end is rotatablely connected sliding block(24).
5. a kind of assembly line automatic spot-welding device according to claim 4, which is characterized in that the sliding block(24)Sliding Card slot is connected, card slot is fixedly connected with cross bar(18)Outer surface, card slot is interior to be equipped with fastening spring(25), fastening spring(25)Right end supports Connect sliding block(24).
6. a kind of assembly line automatic spot-welding device according to claim 1, which is characterized in that the servo motor(2) It is fixedly connected with motor base(3), motor base(3)Bolt fixed connection apparatus ontology(1).
7. according to a kind of any assembly line automatic spot-welding devices of claim 1-6, which is characterized in that the servo electricity Machine(2)Wire connecting power and switch.
CN201810468613.6A 2018-05-16 2018-05-16 Automatic spot welding device for assembly line Active CN108655614B (en)

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Application Number Priority Date Filing Date Title
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CN108655614B CN108655614B (en) 2021-02-05

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN110201805A (en) * 2019-05-16 2019-09-06 深圳市中科智诚科技有限公司 A kind of coal mine process equipment with long service life with choke preventing function

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