CN107042379B - A kind of disk connecting rod automatic welder - Google Patents

A kind of disk connecting rod automatic welder Download PDF

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Publication number
CN107042379B
CN107042379B CN201710181689.6A CN201710181689A CN107042379B CN 107042379 B CN107042379 B CN 107042379B CN 201710181689 A CN201710181689 A CN 201710181689A CN 107042379 B CN107042379 B CN 107042379B
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China
Prior art keywords
rod
clamping
groove
welding gun
steel plate
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CN201710181689.6A
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CN107042379A (en
Inventor
庄聿翔
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Ji'nan Liu Jia Machinery Co Ltd
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Ji'nan Liu Jia Machinery Co Ltd
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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
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • 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
    • B23K37/02Carriages for supporting the welding or cutting element
    • 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
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps

Abstract

The invention discloses a kind of disk connecting rod automatic welders, including rack, workpiece grip mechanism, workpiece positioning and clamping mechanism, welding gun elevating mechanism, welding gun and connecting rod, the workpiece grip mechanism for terminating in the connecting rod can be supported by being installed in rack, workpiece positioning and clamping mechanism and welding gun elevating mechanism, workpiece grip mechanism supports and terminates in connecting rod and the connecting rod is driven to rotate vertically in the workpiece positioning and clamping mechanism, workpiece positioning and clamping mechanism further includes the hold-down mechanism that can prevent from shaking when link rotatable, welding gun is rotatably equipped on welding gun elevating mechanism, connecting rod is rotatably disposed in workpiece positioning and clamping mechanism, and multiple annulus are arranged on connecting rod, multiple annulus are rotatably embedded in workpiece positioning and clamping mechanism along the direction vertical with connecting rod central axes.Annulus connecting rod automatic welder provided by the invention, alleviates the labor intensity of welding, improves the production efficiency of welding, and the annulus welding position is accurate, and the weldquality is high.

Description

A kind of disk connecting rod automatic welder
Technical field
The invention belongs to technical field of welding equipment, and in particular to a kind of disk connecting rod automatic welder.
Background technique
The disk connecting rod includes connecting rod and the annulus that is welded on connecting rod, according to actual use situation, according to a set pattern The drawing of lattice determines that position is arranged with annulus on the connecting rod, and the annulus is welded on the connecting rod and is made.
Annulus connecting rod tool has been widely used, and is widely used in the equipment such as scaffold for example as special-purpose member.
The production of annulus connecting rod at present is using manual welding annulus or to use artificial and combine some rougher mostly Machining equipment welds annulus, and this welding manner often faces following technical problem:
1, it due to man's activity, is difficult to be accurately positioned the position of annulus in welding process and guarantees annulus and connecting rod central axes It is vertical, cause welding come out annulus often position is not accurate enough, annulus is different relative to the angle of connecting rod central axes, For the requirement of disk connecting rod, accurately using field, often rejection rate is higher.
2, due to hand-held or other factors effect, the vibration problems of connecting rod cannot be solved in welding process very well, it is described Annulus can shake with the vibration of connecting rod, and often width is inconsistent for the weld seam of welding out in this way, and face of weld radian is uneven Even, the consistency of weld seam is poor, causes the welding quality of welding finished product poor, influences to sell.
3, since the output of disk connecting rod is big, it cannot achieve the automatic welding of connecting rod, manually welding and the artificial company of helping The labor intensity of bar or pivot link is high, welds long-time operation eyes and the equal fatiguability of physical strength, causes to weld fault rate height.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of disk connecting rod automatic welders.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of disk connecting rod automatic welder, including the lifting of rack, tooling clamping device, workpiece positioning and clamping mechanism, welding gun Mechanism, welding gun and connecting rod, tooling clamping device, the workpiece positioning and clamping machine for terminating in the connecting rod can be supported by being installed in the rack Structure and welding gun elevating mechanism, the tooling clamping device support and terminate in the connecting rod and drive the connecting rod in the workpiece positioning and clamping machine It is rotated vertically on structure, workpiece positioning and clamping mechanism further includes the hold-down mechanism that can prevent from shaking when the link rotatable, institute It states and is rotatably equipped with welding gun on welding gun elevating mechanism, the connecting rod is rotatably disposed in workpiece positioning and clamping mechanism, And multiple annulus are arranged on the connecting rod, multiple annulus are rotatably embedding along the direction vertical with the connecting rod central axes It is located in workpiece positioning and clamping mechanism.
Further, wherein the rack includes three layers of upper, middle and lower, the welding gun elevating mechanism includes being bolted There is the first rotary cylinder in the side bolt of the junction steel plate of the rack upper sides, the lower end of the junction steel plate, it is described First rotary cylinder is equipped with by the swivel head of first rotary cylinder control rotation, and the other end of the swivel head passes through institute Locking is connected with welding gun after stating junction steel plate.
Further, wherein workpiece positioning and clamping mechanism includes multiple center bearing brackets for being used to support the connecting rod, The center bearing bracket includes the first bottom plate being bolted on the rack middle layer, and first bottom plate is fixedly connected with the first support Steel plate, rotatably there are two identical and height to be higher than described for connection side by side before and after the top side of first supporting steel plate The first support wheel and the second support wheel of one supporting steel plate;First support wheel and the horizontally-supported company of the second support wheel Bar.
Further, the hold-down mechanism includes the driven wheel set on the connecting rod top, the driven wheel and swingle It is fixedly connected, the other end locking of the swingle is connected with the second rotary cylinder, and second rotary cylinder is located in described On the rack middle layer of the side of cardiac skeleton, and the position of the driven wheel is higher than first support wheel and the second support wheel.
Further, wherein workpiece positioning and clamping mechanism further includes multiple clamping devices, the clamping device includes The second bottom plate bolted with the middle layer of the rack is fixedly connected with third supporting steel plate, the third on second bottom plate Third rotary cylinder and the 4th rotary cylinder, the third rotation are connected with by bolt side by side before and after one upper lateral part of supporting steel plate The top of rotaring cylinder is connected with the first rotary shaft, and the top of the 4th rotary cylinder is connected with the second rotary shaft, and described first Rotary shaft connects after passing through the third supporting steel plate with the first frock clamp locking for being set to the third supporting steel plate other side Connect, second rotary shaft pass through after the third supporting steel plate be set to the third supporting steel plate other side and with described the One frock clamp can symmetrically screw the second frock clamp locking connection being integrated;First frock clamp and the second work The size and shape of clamps are identical.
Further, wherein the direction that a lateral edge of first frock clamp is parallel to its front-back is equipped with before it Below and the first arc groove of upper surface, the first groove and are offered side by side before and after the direction perpendicular to first arc groove Two grooves, first groove and the second groove run through the upper surface of first frock clamp;Second frock clamp The direction that one lateral edge is parallel to its front-back is equipped with the second arc groove through its front-back and upper surface, perpendicular to described the It is offered side by side before and after the directions of two arc grooves and the identical third groove of first groove and identical as second groove The 4th groove, the third groove and the 4th groove run through the upper surface of second frock clamp.
Further, wherein when first frock clamp and the second frock clamp respectively in the third rotary cylinder and It is symmetrically screwed under the drive of 4th rotary cylinder when being integrated, first arc groove and the second arc groove enclose and be set as to support The semi-cylindrical hole slot of the connecting rod, the horizontal common support institute of the semi-cylindrical hole slot, the first support wheel and the second support wheel State connecting rod;First groove and third groove are butted into the 5th groove that can be embedded annulus, second groove and the 4th recessed Slot is butted into the 6th groove that can be embedded annulus.
Further, wherein the two sides of the clamping device are equidistantly equipped with the first copper bar and the second copper bar respectively, described the One copper bar passes through insulated column with the second copper bar respectively and is fixedly connected with the second bottom plate.
Further, wherein the tooling clamping device includes the first tooling clamping device and second tooling folder Mechanism is held, the first tooling clamping device includes the motor reducer for being fixed on the left end in the rack middle layer, the motor Speed reducer be connected with coaxial first top of the connecting rod, described first the first top cephalad vertebral body is inserted into the connecting rod Hole simultaneously supports the connecting rod.
Further, wherein the second tooling clamping device include with coaxial second top of the connecting rod, described Two it is top formed by the second cephalad vertebral body and caudal peduncle integrally connected, described second top the second cephalad vertebral body is inserted into the connecting rod Hole and support the connecting rod, and the second top caudal peduncle is fixedly connected with bearing rod, and bearing is equipped in the bearing rod, Inserted with the telescopic rod coaxial with the connecting rod in the bearing, the other end of the telescopic rod is connect with the first cylinder, and institute Telescopic rod locking is stated to be close to and be connected to fixture block, the lower end of the fixture block is fixedly connected with cylinder rod, the other end of the cylinder rod with The first cylinder connection;The disk connecting rod automatic welder further includes headstock, is equipped in the headstock for power supply Electrical system.
Further, wherein the clamping device includes the first clamping device, the second clamping device and third clamping device, First clamping device is located at the right side of the motor reducer, second clamping device, third clamping device successively to The right side arranges at a certain distance.
Further, wherein the center bearing bracket includes the first center bearing bracket and the second center bearing bracket;First center Branch is set up in the centre of first clamping device and the second clamping device, and second center bearing bracket is set to second clamping The centre of device and third clamping device, the third clamping device are set to the left side of first cylinder.
Further, wherein the welding gun elevating mechanism includes respectively equidistantly set on the first weldering of bracket upper layer side Rifle elevating mechanism, the second welding gun elevating mechanism, third welding gun elevating mechanism, the 4th welding gun elevating mechanism, the 5th welding gun elevator Structure and the 6th welding gun elevating mechanism;The first welding gun elevating mechanism, the second welding gun elevating mechanism, third welding gun elevating mechanism, 4th welding gun elevating mechanism, the 5th welding gun elevating mechanism and the 6th welding gun elevating mechanism are respectively rotatably connected with the first weldering Rifle, the second welding gun, third welding gun, the 4th welding gun, the 5th welding gun and the 6th welding gun;The rack lower layer be respectively fixed with it is described Corresponding first welding machine of welding gun, the second welding machine, third welding machine, the 4th welding machine, the 5th welding machine and the 6th welding machine;The wire-feed motor The first wire-feed motor, the second wire-feed motor, third wire-feed motor, the 4th wire-feed motor, the 5th including not being set to the bracket upper layer equidistantly Wire-feed motor and the 6th wire-feed motor.
Further, wherein being covered with the first metal coating case and the outside the motor reducer and the first cylinder respectively Two metal coating casees.
Compared with prior art, the present invention has at least the following advantages: a kind of annulus connecting rod automatic welding provided by the invention Machine can be realized the automatic operation of annulus welding, alleviate the labor intensity of welding, improve the production efficiency of welding, institute Position, the annulus for stating annulus welding are vertical with connecting rod central axes precisely controllable, and the weld width is uniform, surface radian is equal Even, weldquality is high.
Detailed description of the invention
Fig. 1 is the schematic diagram of disk connecting rod automatic welder of the present invention;
Fig. 2 is the partial enlargement diagram in region shown in S3 in Fig. 1;
Fig. 3 is the partial enlargement diagram in region shown in S2 in Fig. 1;
Fig. 4 is the partial enlargement diagram in region shown in S1 in Fig. 1;
Wherein, 1- rack upper layer;The 6th wire-feed motor of 11-;12- junction steel plate;The first welding machine of 13-;The first metal coating of 14- Case;15- headstock;16- rack lower layer;17- the second metal coating case;18- rack middle layer;The 6th welding machine of 19-;111- the 5th is welded Machine;The 4th welding machine of 112-;The 5th wire-feed motor of 113-;The second welding machine of 114-;The 4th wire-feed motor of 115-;116- third wire-feed motor; The second wire-feed motor of 117-;The first wire-feed motor of 118-;The first welding gun of 119-;The second welding gun of 120-;121- connecting rod;The weldering of 122- third Rifle;The 4th welding gun of 123-;124- third welding machine;The 5th welding gun of 125-;The 6th welding gun of 126-;The second bottom plate of 2-;The first bronze medal of 22- Row;23- insulated column;24- third supporting steel plate;25- third rotary cylinder;The 4th rotary cylinder of 26-;The first groove of 27-;28- First frock clamp;The second groove of 29-;211- fixture block;212- cylinder rod;213- telescopic rod;214- bearing rod;215- caudal peduncle; 219- swivel head;223- annulus;The second frock clamp of 224-;The first arc groove of 225-;The second arc groove of 226-;227- the 4th is recessed Slot;The second cephalad vertebral body of 228-;The first rotary cylinder of 229-;The second copper bar of 230-;231- second is top;The first bottom plate of 4-;41- First supporting steel plate;The first support wheel of 42-;The second support wheel of 43-;44- driven wheel;45- swingle;The second rotary cylinder of 46-; 5- motor reducer;51- first is top.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples, following embodiment be it is descriptive, be not Limited, this does not limit the scope of protection of the present invention.
Fig. 1 is the schematic diagram of disk connecting rod automatic welder of the present invention;Fig. 2 is that the part in region shown in S3 in Fig. 1 is put Big schematic diagram;Fig. 3 is the partial enlargement diagram in region shown in S2 in Fig. 1;Fig. 4 is the partial enlargement in region shown in S1 in Fig. 1 Schematic diagram.As Figure 1-Figure 4, the present invention provides a kind of disk connecting rod automatic welder, including rack, tooling clamping device, Workpiece positioning and clamping mechanism, welding gun elevating mechanism, welding gun and connecting rod 121, are installed in the rack to support and terminate in the connecting rod 121 tooling clamping device, workpiece positioning and clamping mechanism and welding gun elevating mechanism, the tooling clamping device support and terminate in the company Bar simultaneously drives the connecting rod 121 to rotate vertically in the workpiece positioning and clamping mechanism, and workpiece positioning and clamping mechanism further includes energy The hold-down mechanism shaken when the link rotatable is prevented, is rotatably equipped with welding gun, the connecting rod on the welding gun elevating mechanism 121 are rotatably disposed in workpiece positioning and clamping mechanism.(welding) is arranged on the connecting rod 121 multiple annulus 223, root Factually border service condition determines that position is arranged with multiple annulus 223 on the connecting rod 121 according to the drawing of certain specification, and The annulus 223 is welded on the connecting rod 121 and is formed.The connecting rod 121 is designed as hollow tube, and the annulus 223 needs It is perpendicular with the central axes of connecting rod 121, to guarantee multiple annulus 223 along vertical with the central axes of the connecting rod 121 Direction is rotatably embedded in workpiece positioning and clamping mechanism, to guarantee through annulus 223 spot-welded together and connecting rod 121 can rotate relative to consistent with workpiece positioning and clamping mechanism, facilitate subsequent spot welding or 360 ° of boxing;And the annulus 223 position on connecting rod 121 needs to fix, and the annulus 223 after welding in this way cannot misplace on connecting rod 121, so that The welding precision of annulus 223 is higher;And require the weld width between annulus 223 and connecting rod 121 consistent, surface radian is uniform, That is welding consistency is good.
When it is implemented, the rack includes three layers of upper, middle and lower, the welding gun elevating mechanism includes being bolted to The side bolt of the junction steel plate 12 of the side on the rack upper layer 1, the lower end of the junction steel plate 12 has the first rotary cylinder 229, first rotary cylinder 229 is equipped with by the swivel head 219 of first rotary cylinder 229 control rotation, the rotation Locking is connected with welding gun after the other end of rotary head 219 passes through the junction steel plate 12.First rotary cylinder 229 controls described Swivel head 219 rotates, and the swivel head 219 drives the welding gun to be rotated up and down, and when the welding gun is rotated down, arc welding gun head is proper It is directed at the junction for the connecting rod 121 and annulus 223 being disposed below well.
When it is implemented, workpiece positioning and clamping mechanism includes multiple center bearing brackets for being used to support the connecting rod 121, The center bearing bracket includes the first bottom plate 4 being bolted on the rack middle layer 18, and first bottom plate 4 is fixedly connected with first Supporting steel plate 41, rotatably there are two identical and height height for connection side by side for the top side front and back of first supporting steel plate 41 In the support wheel of first supporting steel plate 41, it is referred to as the first support wheel 42, the second support wheel 43;First support wheel 41, the connecting rod 121 of the second support wheel 43 horizontally-supported.The center bearing bracket has multiple, first support wheel 41, the Two support wheels 43 also have multiple groups, and the first support wheel 41 described in multiple groups, the second support wheel 43 play the horizontally-supported connecting rod 121 Effect.
When it is implemented, workpiece positioning and clamping mechanism further includes the hold-down mechanism, the hold-down mechanism includes setting Driven wheel 44 in the top of the connecting rod 121, the driven wheel 44 are fixedly connected with swingle 45, the swingle 45 it is another One end locking is connected with the second rotary cylinder 46, and second rotary cylinder 46 is located in the rack of the side of the center bearing bracket On layer 18, and the position of the driven wheel 44 is higher than first support wheel 41 and the second support wheel 43.Second rotary pneumatic Cylinder 46 drives the swingle 45 to rotate, and the swingle 45 drives the driven wheel 44 being firmly connected with it to move up and down, described Driven wheel 44 is located at the top of the connecting rod 121, and when it is moved down, pressure is set to the top of the connecting rod 121 just, when even When bar 121 rotates, the driven wheel 44 is rotated with it while being prevented in the connecting rod 121 and the generation of annulus 223 disposed thereon Lower vibration, to guarantee the consistency of the welding of annulus 223.
When it is implemented, workpiece positioning and clamping mechanism further includes multiple clamping devices, the clamping device include with The second bottom plate 2 that the middle layer 18 of the rack bolts is fixedly connected with third supporting steel plate 24 on second bottom plate 2, described Third rotary cylinder 25 and the 4th rotary cylinder 26 are connected with by bolt side by side before and after one upper lateral part of third supporting steel plate 24, The top of the third rotary cylinder 25 is connected with the first rotary shaft (not shown), and 26 top of the 4th rotary cylinder is connected with Second rotary shaft (not shown), first rotary shaft is after the third supporting steel plate 24 and set on the third supporting steel First frock clamp 28 of 24 other side of plate locks connection, second rotary shaft pass through after the third supporting steel plate 24 with set The the second tooling folder being integrated can be screwed in 24 other side of third supporting steel plate and symmetrically with first frock clamp 28 224 locking connection of tool, first frock clamp are identical as the size of the second frock clamp and shape.The third rotary cylinder 25 controls the first rotary shaft rotation, first rotary shaft drive first frock clamp 28 to rotate, the 4th rotation Rotaring cylinder 26 controls the second rotary shaft rotation, and second rotary shaft drives second frock clamp 224 to rotate, described Both first frock clamp 28, the second frock clamp 224(size and shape is identical) it is arranged symmetrically, and opposite rotation can be synchronized Turn, and symmetrically screws and be integrated.
When it is implemented, the direction that a lateral edge of first frock clamp 28 is parallel to its front-back is equipped with before it Below and the first arc groove of upper surface 225, the first groove is offered side by side before and after the direction perpendicular to first arc groove 27 and second groove 29, first groove 27 and the second groove 29 run through the upper surface of first frock clamp 28.It is described The direction that one lateral edge of the second frock clamp 224 is parallel to its front-back is equipped with the second circular arc through its front-back and upper surface Slot 226 offers third groove identical with the first groove before and after the direction perpendicular to second arc groove 226 side by side (not shown) and the 4th groove 227 identical with the second groove, the third groove and the 4th groove 227 run through second work The upper surface of clamps 224.
When it is implemented, when first frock clamp 28 and the second frock clamp 224 are respectively in the third rotary pneumatic It is symmetrically screwed under the drive of cylinder 25 and the 4th rotary cylinder 26 when being integrated, first arc groove 225 and the second arc groove 226 enclose the semi-cylindrical hole slot for being set as that the connecting rod 121 can be supported, the semi-cylindrical hole slot and above-mentioned first support wheel 41,43 common horizontal of the second support wheel props up the connecting rod 121, it is ensured that the central axes phase of the annulus 223 and the connecting rod 121 Vertically.First groove and third groove are butted into the 5th groove that can be embedded annulus, second groove and the 4th groove It is butted into the 6th groove that can be embedded annulus.The annulus 223 is set on the connecting rod 121 and is embedded respectively the described 5th In groove and the 6th groove.5th groove and the 6th groove, which have, prevents annulus 223 is mobile from misplacing and relative to connecting rod The inclined effect in 121 central axes, to guarantee consistency and annulus 223 that the annulus 223 welds on the connecting rod 121 Positioning accuracy.In actual operation, it is determined according to the actual use situation of the thickness of annulus 223 and disk connecting rod described First groove 27, the second groove 29, third groove, the 4th groove 227 width so that welding of the annulus 223 on connecting rod 121 Position and soldering angle meet actual needs.
When it is implemented, the tooling clamping device includes the first tooling clamping device and second tooling clamping Mechanism, the first tooling clamping device include the motor reducer 5 for being fixed on the left end in the rack middle layer 18, the motor Speed reducer 5 is connected with first top 51 coaxial with the connecting rod 121, the first head vertebra of first top 51 other end Body (not shown) is inserted into the hole of the connecting rod 121 and supports the connecting rod 121.The motor reducer 5 drives described One end of one top 51 rotation, the hole of the first top 51 insertion connecting rod 121 drives the connecting rod 121 to position in above-mentioned workpiece It is synchronously rotated on clamping mechanism, the purpose that the connecting rod 121 rotates is to find second solder joint, while subsequent 360 ° Boxing is also required to the rotation of connecting rod 121.
When it is implemented, the second tooling clamping device includes second top 231, described second top 231 by second Cephalad vertebral body 228 and 215 integrally connected of caudal peduncle form, and second cephalad vertebral body 228 is inserted into the hole of the connecting rod 121 and props up The connecting rod 121 is supportted, described second top 231 is coaxial with the connecting rod 121, and second top 231 caudal peduncle 215 is fixed to be connected It is connected to bearing rod 214, bearing (not shown) is equipped in the bearing rod 214, is inserted with the coaxial telescopic rod 213 of the connecting rod 121 Enter in the bearing in the bearing rod 214, the other end of the telescopic rod 213 is connect with the first cylinder (not shown), described to stretch The locking of contracting bar 213, which is close to, is connected to fixture block 211, and the lower end of the fixture block 211 is fixedly connected with cylinder rod 212, the cylinder rod 212 The other end connect with first cylinder.The described second top purpose for jacking up the connecting rod 121 is the company in order to prevent Bar 121 close to second top one end is slight sag cause connecting rod 121 to rotate when vertical tremor, and bring the weld seam of annulus 223 It is inconsistent or influence annulus 223 positioning accuracy, described second is top, first top 51, connecting rod 121 be located at same level axis On, 121 vertical rotary of connecting rod simultaneously drives described second top and rotate with its integrally formed bearing rod 214, the axis It holds bar 214 and is rotated by bearing relative to the telescopic rod 213 for being inserted into its bearing, to reduce bearing rod 214 and telescopic rod 213 Abrasion improves the service life of bearing rod 214 and telescopic rod 213;This is because the abrasion quilt of bearing rod 214 and telescopic rod 213 It reduces, can guarantee the continuity that connecting rod 121 rotates and reduces its vibration, be conducive to improve annulus 223 on the connecting rod 121 The consistency and positioning accuracy of welding;First cylinder pushes the cylinder rod 212 to be moved forward and backward, 212 band of cylinder rod It moves the cylinder block 211 to be moved forward and backward, the cylinder block 211 drives the telescopic rod 213 to be moved forward and backward, the telescopic rod 213 The bearing rod 214 and the second top back-and-forth motion are pushed, the purpose of the second top back-and-forth motion is pushed up described second Point the second cephalad vertebral body 228 be inserted into the hole of the connecting rod 121, second cephalad vertebral body 228 support stop the connecting rod The connecting rod 121 is slightly supported while 121, guarantees that the connecting rod 121 is top positioned at same with first top 51 and second On straight line, the described first top 51 and second top support from both ends stops the connecting rod 121, guarantees that connecting rod 121 is vertically turning About 121 connecting rod is prevented to be moved forward and backward while dynamic.
When it is implemented, the two sides of the clamping device are equidistantly equipped with the first copper bar 22 and the second copper bar 230 respectively, it is described First copper bar 22 is fixedly connected by insulated column 23 with the second bottom plate 2 respectively with the second copper bar 230.First copper bar 22 and Two copper bars 230 are close to the annulus of required welding, and above-mentioned connecting rod 121, first top 51 or second are top contacts, for conducting weldering The electric current of electric welding machine when connecing, the insulated column 23 is interior to be equipped with ground wire, for guiding above-mentioned electric current into ground.The insulated column 23 is used It is connected in above-mentioned first copper bar 22 of fixation or the second copper bar 230 and by it with second bottom plate 2 insulation.
When it is implemented, the center bearing bracket includes the first center bearing bracket and the second center bearing bracket;The clamping device packet The first clamping device, the second clamping device and third clamping device are included, first clamping device is located at the motor reducer Right side, second clamping device, third clamping device successively arrange to the right at a certain distance, first center bearing bracket position In the centre of first clamping device and the second clamping device, second center bearing bracket be located at second clamping device with The centre of third clamping device, the third clamping device are located at the left side of first cylinder.The annulus 223 is embedded at institute It states in the 5th groove and the 6th groove of the frock clamp of clamping device, is embedded on each frock clamp there are two annulus 223, institute The distance between the 5th groove and the 6th groove are stated according to practical determination, first clamping device, the second clamping device, third The distance between clamping device is also according to practical determination.
When it is implemented, the welding gun elevating mechanism for being fixed on the rack 1 side of layer there are six groups, from left to right claim respectively For the first welding gun elevating mechanism, the second welding gun elevating mechanism, third welding gun elevating mechanism, the 4th welding gun elevating mechanism, the 5th weldering Rifle elevating mechanism, the 6th welding gun elevating mechanism;It has been rotatably connected a welding gun on each welding gun elevating mechanism, has been referred to as First welding gun 119, the second welding gun 120, third welding gun 122, the 4th welding gun 123, the 5th welding gun 125, the 6th welding gun 126;It is fixed There are six groups in the welding machine of rack lower layer 16, corresponding with above-mentioned welding gun and be electrically connected with above-mentioned welding gun, the welding machine is from left to right Successively it is known as the first welding machine 13, the second welding machine 114, third welding machine 124, the 4th welding machine 112, the 5th welding machine 111, the 6th welding machine 19;Be fixed on the rack layer 1 send the wire-feed motor of welding wire to have six groups to welding gun, from left to right successively be known as the first wire-feed motor 118, Second wire-feed motor 117, third wire-feed motor 116, the 4th wire-feed motor 115, the 5th wire-feed motor 113, the 6th wire-feed motor 11.
When it is implemented, the first metal coating case 14 and the are covered with outside the motor reducer 5 and the first cylinder respectively Two metal coating casees 17.The protective cover is set in the outside of the motor reducer 5 and the first cylinder, to prevent from welding Fly the weldering drop spouted when connecing, spark damages the motor reducer 5 or the first cylinder.
When it is implemented, the disk connecting rod automatic welder further includes headstock 15, it is equipped with and is used in the headstock 15 The electrical system of power supply.The headstock 15 is placed in the side of the rack, the electrical system of assembly in the headstock 15 For to all electricity systems power supply on the disk connecting rod automatic welder.
The application method of above-mentioned disk connecting rod automatic welder, comprising the following steps:
Open the general supply and each power unit (each cylinder power unit, each welding machine power unit, each wire feed of headstock 15 Machine power unit, each motor unit) power supply, be powered to each power unit of the disk connecting rod welding machine, start described the First frock clamp 225 and the rotation engagement of the second frock clamp 224 are by three rotary cylinders 25 and the 4th rotary cylinder 26 One;
By the connecting rod 121 be placed on it is described clamp on positioning mechanism, multiple annulus 223 are set in the connecting rod 121 On, it is pressed from both sides by first support wheel 41 clamped on positioning mechanism, the second support wheel 43, the first frock clamp 28 and the second tooling Tool 224 supports the connecting rod jointly, and above-mentioned annulus 223 is embedded in multiple first frock clamps 28 and the second frock clamp In 224 groove, the hole of the connecting rod 121 is inserted into described first top 51 the first forecone and supports that stop first top 51;
It opens the first cylinder of the second tooling clamping device, adjusts the second top back-and-forth motion and by second top second Forecone 228 is inserted into the hole of the connecting rod 121, checks above-mentioned first top 51, second top, connecting rod 121 position, is protected Card three be on same level central axes, described first top 51, second it is top from both ends horizontal resistance residence state connecting rod 121。
The first rotary cylinder 229 for opening welding gun elevating mechanism, is rotated down the welding gun and the muzzle is made to be directed at it Welding machine is opened in the annulus 223 of lower part and the junction of connecting rod 121, and beginning spot welding is primary, after point is soldered, controls welding gun elevator The welding gun is rotated away from connecting rod 121 by the first rotary cylinder 229 of structure upwards.
The third rotary cylinder 25 is opened, rotates first frock clamp 28 to the side far from the connecting rod 121, It opens the motor reducer and drives the first top 51 rotation, described first top 51 drives the connecting rod 121 in the second tooling Stop (closing the motor reducer 5) after half rotation under the clamping of fixture 224, opens the of the welding gun elevating mechanism One rotary cylinder 229 is rotated down the welding gun and the muzzle is made to be directed at the annulus 223 of its underpart and the connection of connecting rod 121 Welding machine is opened at place, and spot welding is primary again.
The 4th rotary cylinder 26 is opened, rotated to the side far from the connecting rod 121 and opens second tooling Fixture 224 opens the motor reducer 5 and the connecting rod 121 is driven to rotate, while opening welding machine, completes to the connecting rod 360 ° of boxing.
Welding is completed, and welding machine is closed, and the first rotary cylinder 229 of control welding gun elevating mechanism rotates the welding gun upwards Connecting rod 121 is left, the motor reducer 5 of the first tooling clamping device is closed, operates the first of the second tooling clamping device Motor drive described second is top to leave the disk connecting rod, removes disk connecting rod, closes first motor, each power unit power supply And the general supply of headstock 15.
In aforesaid operations step in addition to set annulus 223, place the connecting rod 121 and check the connecting rod 121 whether with the One top 51 and second top level step needs be accomplished manually other than, other operating procedures are by PCL(Programmadle logic control Device processed) it is automatically performed.
More than, it is merely preferred embodiments of the present invention, but the protection scope invented is not limited thereto, it is any ripe Know those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all contain Lid is within protection scope of the present invention.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.

Claims (9)

1. a kind of disk connecting rod automatic welder, including rack, workpiece grip mechanism, workpiece positioning and clamping mechanism, welding gun elevator Structure, welding gun and connecting rod, which is characterized in that workpiece grip mechanism, the workpiece for terminating in the connecting rod can be supported by being installed in the rack Positioning and clamping mechanism and welding gun elevating mechanism, the workpiece grip mechanism support and terminate in the connecting rod and drive the connecting rod in the workpiece It is rotated vertically in positioning and clamping mechanism, workpiece positioning and clamping mechanism further includes the pressure that can prevent from shaking when the link rotatable Tight mechanism, welding gun is rotatably equipped on the welding gun elevating mechanism, and the connecting rod is rotatably disposed within the workpiece positioning dress On clamp mechanism, and multiple annulus are arranged on the connecting rod, multiple annulus are along the direction vertical with the connecting rod central axes It is rotatably embedded in workpiece positioning and clamping mechanism;Workpiece positioning and clamping mechanism further includes multiple clamping devices, The clamping device includes the second bottom plate with the middle layer of rack bolt, is fixedly connected with third branch on second bottom plate Steel plate is supportted, passes through bolt before and after a upper lateral part of the third supporting steel plate and is connected with third rotary cylinder and the 4th rotation side by side Cylinder, the top of the third rotary cylinder are connected with the first rotary shaft, and the top of the 4th rotary cylinder is connected with second Rotary shaft, first rotary shaft is after the third supporting steel plate and set on the first of the third supporting steel plate other side Frock clamp locking connection, second rotary shaft pass through the third supporting steel plate after with set on the third supporting steel plate it is another Side simultaneously can symmetrically screw the second frock clamp locking connection being integrated with first frock clamp;First work Clamps are identical as the size of the second frock clamp and shape.
2. disk connecting rod automatic welder according to claim 1, which is characterized in that the rack includes three layers of upper, middle and lower, The welding gun elevating mechanism includes the junction steel plate for being bolted to the rack upper sides, under the junction steel plate The side bolt at end has the first rotary cylinder, and first rotary cylinder is equipped with by first rotary cylinder control rotation Swivel head, locking is connected with welding gun after the other end of the swivel head passes through the junction steel plate.
3. disk connecting rod automatic welder according to claim 1 or 2, which is characterized in that workpiece positioning and clamping mechanism Including multiple center bearing brackets for being used to support the connecting rod, the center bearing bracket includes first be bolted on the rack middle layer Bottom plate, first bottom plate are fixedly connected with the first supporting steel plate, and the top side front and back of first supporting steel plate is rotatable Ground connects the first support wheel and the second support wheel there are two identical and height higher than first supporting steel plate side by side;Described One support wheel and the horizontally-supported connecting rod of the second support wheel.
4. disk connecting rod automatic welder according to claim 3, which is characterized in that the hold-down mechanism includes set on described The driven wheel on connecting rod top, the driven wheel are fixedly connected with swingle, and the other end locking of the swingle is connected with second Rotary cylinder, second rotary cylinder is located on the rack middle layer of the side of the center bearing bracket, and the position of the driven wheel It sets and is higher than first support wheel and the second support wheel.
5. disk connecting rod automatic welder according to claim 1, which is characterized in that a lateral edge of first frock clamp The direction for being parallel to its front-back is equipped with through the first arc groove of its front-back and upper surface, perpendicular to first arc groove Direction before and after offer the first groove and the second groove side by side, first groove and the second groove run through first tooling The upper surface of fixture;One lateral edge of second frock clamp be parallel to its front-back direction be equipped with through its front-back and on Second arc groove on surface offers identical as first groove side by side before and after the direction perpendicular to second arc groove Third groove and the 4th groove identical with second groove, the third groove and the 4th groove run through second work The upper surface of clamps.
6. disk connecting rod automatic welder according to claim 5, which is characterized in that when first frock clamp and second Frock clamp symmetrically screws under the drive of the third rotary cylinder and the 4th rotary cylinder respectively when being integrated, and described One arc groove and the second arc groove enclose the semi-cylindrical hole slot for being set as that the connecting rod can be supported, the semi-cylindrical hole slot, first Support wheel and the second support wheel level support the connecting rod jointly;First groove and third groove, which are butted into, can be embedded annulus The 5th groove, second groove and the 4th groove are butted into the 6th groove that can be embedded annulus.
7. disk connecting rod automatic welder according to claim 6, which is characterized in that the two sides of the clamping device are respectively etc. Away from the first copper bar and the second copper bar is equipped with, first copper bar and the second copper bar pass through insulated column and the fixed company of the second bottom plate respectively It connects.
8. disk connecting rod automatic welder according to claim 1, which is characterized in that the tooling clamping device includes described First tooling clamping device and the second tooling clamping device, the first tooling clamping device include being fixed on the rack The motor reducer of the left end in middle layer, the motor reducer be connected with coaxial first top of the connecting rod, described first The first top cephalad vertebral body is inserted into the hole of the connecting rod and supports the connecting rod.
9. disk connecting rod automatic welder according to claim 8, which is characterized in that the second tooling clamping device includes With coaxial second top of the connecting rod, described second it is top formed by the second cephalad vertebral body and caudal peduncle integrally connected, described Two the second top cephalad vertebral bodies are inserted into the hole of the connecting rod and support the connecting rod, and the fixed company of the second top caudal peduncle It is connected to bearing rod, bearing is equipped in the bearing rod, the bearing is interior inserted with the telescopic rod coaxial with the connecting rod, described to stretch The other end of contracting bar is connect with the first cylinder, and telescopic rod locking is close to and is connected to fixture block, and the lower end of the fixture block is fixed to be connected It is connected to cylinder rod, the other end of the cylinder rod is connect with first cylinder;The disk connecting rod automatic welder further includes bed Head case, the interior electrical system being equipped with for power supply of the headstock.
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CN109420820A (en) * 2017-08-22 2019-03-05 天津九为实业有限公司 Disk button steel pipe support upright bar disk welding production system
CN110091103B (en) * 2019-06-03 2021-04-23 天津职业技术师范大学(中国职业培训指导教师进修中心) Integral axletree robot welding system of semitrailer based on PLC and servo control
CN110405405B (en) * 2019-07-09 2021-07-13 深圳市圣地保人防有限公司 Automatic welding machine for connecting rod

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