CN104668758A - Roll spot welding machine - Google Patents
Roll spot welding machine Download PDFInfo
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- CN104668758A CN104668758A CN201510111979.4A CN201510111979A CN104668758A CN 104668758 A CN104668758 A CN 104668758A CN 201510111979 A CN201510111979 A CN 201510111979A CN 104668758 A CN104668758 A CN 104668758A
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- screw rod
- fixed
- board
- roll
- electrode assembly
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/312—Electrode holders and actuating devices therefor for several electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
Abstract
The invention provides a roll spot welding machine, comprising a machine platform, a machine body located above the machine platform and connected with the machine platform, and multiple welding mechanisms connected with the machine body; the multiple welding mechanisms are mutually independently arranged above the machine platform, are connected with the machine platform, and are used for welding different positions of a welding workpiece. The roll spot welding machine can be used for simultaneously welding multiple welding lines on the complex workpiece, thus greatly improving the production efficiency.
Description
Technical field
The present invention relates to field of welding devices, more specifically, relate to a kind of roll-spot welding machine.
Background technology
At present, existing roll-spot welding machine adopts single head fixed electrode structure, usually can only be used for welding single solder joint, complex part welding requirements can not be met, particularly when workpiece has many weld seams, single head roll-spot welding machine generally needs to carry out multiple welding operation, and production efficiency is low, can not meet High-efficient Production requirement.Even if the electrode wheel disc of single head roll-spot welding machine adopts double contact structure; due to processing parallelism error reason; usually two days welding strength of welding seams can be caused inconsistent; or the problem such as wherein welding strength of welding seam is inadequate; processing request can not be reached, and the double-contact spacing of double contact structure is non-adjustable.Therefore, propose a kind ofly can just seem very necessary to the scheme of the roll-spot welding machine that many weld seams weld simultaneously.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.
For this reason, one object of the present invention be to provide a kind of can simultaneously to the roll-spot welding machine that many weld seams weld.
For achieving the above object, the embodiment of first aspect present invention provides a kind of roll-spot welding machine, comprising: board; Body, to be positioned at above described board and to be connected with described board; Welding mechanism, be connected with described body, the quantity of described welding mechanism is multiple, and what multiple described welding mechanism was separate be arranged on above described board and be connected with described board, wherein, multiple described welding mechanism is used for welding the different parts of welding work pieces.
Roll-spot welding machine according to an embodiment of the invention, its body to be positioned on board and to be connected with board, and its Welding Structure is connected with body, wherein, welding mechanism is multiple, in a particular embodiment, the quantity of welding mechanism is preferably two, and two welding mechanisms are separate, can weld for two different parts of a welding work pieces simultaneously, only need carry out disposable clamping to complex part, just can meet the welding requirements to complex part, greatly can improve the production efficiency of factory.
In addition, the roll-spot welding machine provided according to the above embodiment of the present invention also has following additional technical feature:
According to one embodiment of present invention, described welding mechanism comprises: top electrode assembly, and described top electrode assembly is connected with described body; Bottom electrode assembly, is positioned at the below of top electrode assembly, and described bottom electrode assembly is connected to described board and described body, and wherein, described bottom electrode assembly and described top electrode assembly form an independently welding circuit.
Roll-spot welding machine according to an embodiment of the invention, each independently welding mechanism comprises top electrode assembly and bottom electrode assembly, and top electrode assembly and bottom electrode assembly form an independently welding circuit; Wherein, top electrode assembly is connected with body, and bottom electrode assembly is positioned at the below of top electrode assembly and bottom electrode assembly is connected with board and body.Wherein, each independently welding mechanism comprises an independently welding circuit, when a welding mechanism works independently, roll-spot welding facility are made to have the function of single head roll-spot welding machine, when multiple welding mechanism works simultaneously, make roll-spot welding machine can carry out many places welding to same workpiece simultaneously, simplify the manufacturing procedure of workpiece, save the clamping time to workpiece, and then improve the operating efficiency of roll-spot welding machine.
According to one embodiment of present invention, described top electrode assembly comprises: cylinder block, and described cylinder block is fixed on described body; Cylinder, described cylinder is fixed on described cylinder block, and described cylinder opening is down; Piston rod, described piston rod is assemblied in described cylinder; Terminal pad, be connected to the end of described piston rod, and the lower surface of described terminal pad is provided with chute, a slide plate is equipped with in described chute, the first horizontal adjusting mechanism is provided with between described slide plate and described terminal pad, for adjusting the displacement between described slide plate and described terminal pad, described slide plate is fixed with upper driving conductive mechanism; Top electrode dish, described top electrode dish is assemblied in described upper driving conductive mechanism; Wherein, described terminal pad is also fixed with the first guide post vertically arranged, described cylinder block is fixed with the first fairlead, described first guide post slides with described first fairlead and matches.
Roll-spot welding machine according to an embodiment of the invention, preload pressure between the top electrode dish of the top electrode assembly of each independently welding mechanism and the bottom electrode dish of bottom electrode assembly is regulated by cylinder and piston rod, the horizontal level of the top electrode dish of the top electrode assembly of each independently welding mechanism is regulated by the first horizontal adjusting mechanism, level interval between the top electrode dish of the top electrode assembly of multiple welding mechanism just can regulate, roll-spot welding eedle is facilitated to adjust the design feature of different workpieces and welding requirements, improve the range of work and the adaptability of roll-spot welding machine.
According to one embodiment of present invention, described first horizontal adjusting mechanism comprises: the first screw rod frame, is fixed on the below of described terminal pad; First screw rod, described first screw axial is fixed on described first screw rod frame, and described first screw rod is connected with the screw threaded engagement on described slide plate.
Roll-spot welding machine according to an embodiment of the invention, first horizontal adjusting mechanism comprises the first screw rod frame and the first screw rod, first screw rod frame is fixed on the below of terminal pad, and one end of the first screw rod is fixed on the first screw rod frame, and the other end of the first screw rod is threaded with the screw on slide plate.Wherein, first screw rod frame only has axial limiting effect to the first screw rod, first screw rod can rotate on the first screw rod frame, by rotating the first screw rod, slide plate can be controlled and move along the first screw axial, namely control slide plate and move relative to terminal pad, and then the horizontal level of top electrode dish can be regulated, in the specific implementation, on terminal pad or slide plate, preferably mark has graduation mark, so that accurately control the relative distance between multiple top electrode dish.
According to one embodiment of present invention, described bottom electrode assembly comprises: base, be connected with described board, be provided with the second horizontal adjusting mechanism between described base and described board, described second horizontal adjusting mechanism is for adjusting the distance between described base and described board; Expansion bracket, described expansion bracket is fixed on described base, is provided with height-regulating mechanism in described expansion bracket, and described height-regulating mechanism is for regulating the height of described expansion bracket; Electrode platform, described electrode platform is fixed on the top of described expansion bracket, described electrode platform is fixed with underdrive conductive mechanism; Bottom electrode dish, described bottom electrode dish is assemblied in described underdrive conductive mechanism.Wherein, described electrode platform is also fixed with the second guide post vertically arranged, described expansion bracket is fixed with the second fairlead, described second guide post and described second fairlead are slidably matched.
Roll-spot welding machine according to an embodiment of the invention, the height and position of the bottom electrode dish of the bottom electrode assembly of multiple independently welding mechanism and horizontal level are regulated by height-regulating device and the second horizontal adjusting mechanism respectively, just can regulate vertical Distance geometry horizontal range between the bottom electrode assembly of multiple independently welding mechanism, facilitate roll-spot welding eedle to adjust the design feature of different workpieces and welding requirements, improve the range of work and the adaptability of roll-spot welding machine.
According to one embodiment of present invention, described height-regulating mechanism comprises: heighten handle, described in heighten handle rotating shaft be horizontally disposed worm screw; Worm gear, described worm gear is meshed with described worm screw, wherein, the rotating shaft of described worm gear be one vertically arrange heighten screw rod; Heighten nut, be fixed on described expansion bracket, described in heighten nut and match with described screw rod of heightening.
Roll-spot welding machine according to an embodiment of the invention, heighten handle by rotation and get final product rotary worm, worm drive worm gear wheel, the rotating shaft of worm gear is rotated thereupon, and the rotating shaft of worm gear is for heightening screw rod, heighten screw rod and heighten nut thread and coordinate, heightening nut is fixed on expansion bracket, when heightening screw rod with worm gear wheel, heightens bolt rotary, control is heightened nut and is moved along heightening screw axial, and then control expansion bracket moves up and down.In specific implementation process, in order to accurately control multiple independently welding mechanism bottom electrode dish between opposed vertical distance, graduation mark should be identified near expansion bracket.
According to one embodiment of present invention, described second horizontal adjusting mechanism comprises: guide rail, and the quantity of described guide rail is many, and many described guide rails are connected to the both sides of described base; Second screw rod frame, described second screw rod frame is fixed on described board; Second screw rod, described second screw axial is fixed in described second screw rod frame, and described second screw rod can rotate relative to described second screw rod frame; Base nut, described base nut is fixed on described base, and described base nut and described second screw flight are connected.
Roll-spot welding machine according to an embodiment of the invention, the second horizontal adjusting mechanism comprises many guide rails, the second screw rod frame, the second screw rod and base nut.Wherein, many guide rails are connected to the both sides of base, make base can only carry out relative movement along guide rail direction and board.Second screw rod frame is fixed on board, one end of second screw rod is axially fixed on the second screw rod frame, can only rotate on the second screw rod frame, the other end of the second screw rod is connected with base nut thread, base nut is fixed on base, when rotation the second screw rod, base nut moves axially on the second screw rod, can involve board and move on base along guide rail direction, and then the relative level distance between the bottom electrode dish controlling multiple independently welding mechanism.In specific implementation process, in order to accurately control the relative level distance between multiple bottom electrode dish, graduation mark should be identified near board or base.
According to one embodiment of present invention, also comprise pedestal, described pedestal is positioned at below described board, and described board is connected by the 3rd horizontal adjusting mechanism with described pedestal.
According to one embodiment of present invention, described 3rd horizontal adjusting mechanism comprises: the 3rd screw rod frame, is fixed on described pedestal; 3rd screw rod, is axially fixed on described 3rd screw rod frame, and described 3rd screw rod can rotate in described 3rd screw rod frame; Board nut, is fixed on described board, and described board nut and described 3rd screw flight are connected.
Roll-spot welding machine according to an embodiment of the invention, its pedestal is positioned at below board, is connected with the 3rd horizontal adjusting mechanism between pedestal and board, and the 3rd horizontal adjusting mechanism comprises the 3rd screw rod frame, the 3rd screw rod and board nut.Wherein, 3rd screw rod frame is fixed on pedestal, board nut is fixed on board, one end of 3rd screw rod is fixed on the 3rd screw rod frame, and the 3rd screw rod can rotate on the 3rd screw rod frame, and the other end of the 3rd screw rod is connected with board nut thread, when rotation the 3rd screw rod, board nut moves along the 3rd screw axial, and board can be affected to move horizontally on pedestal, and then carries out finely tuning to the horizontal level of whole roll-spot welding machine and correct.
According to one embodiment of present invention, also comprise: transformer, be positioned at described body and be connected with multiple described welding mechanism, wherein, described transformer is contravariant transformer; Gas circuit assembly, be connected with the described top electrode assembly of described body and described welding mechanism, described gas circuit assembly passes through the air pressure inside of the cylinder regulated in described top electrode assembly, to regulate the preload pressure between the top electrode dish of described top electrode assembly and the bottom electrode dish of described bottom electrode assembly; Water route division box, is connected with described body; Electric control system, is connected with described transformer, described gas circuit assembly and described water route division box.
Roll-spot welding machine according to an embodiment of the invention, roll-spot welding machine of the present invention also comprises transformer, gas circuit assembly, water route division box and electric control system, wherein, transformer is contravariant transformer, by being connected with bottom electrode assembly with the top electrode assembly of multiple independently welding mechanism, play electric current conduction, realize the welding to workpiece; Gas circuit assembly for regulating the cylinder pressure of the top electrode assembly of multiple independently welding mechanism, and then regulates the preload pressure between described top electrode dish and described bottom electrode dish, realizes the control of the thrust to workpiece; Water route division box is used for providing cooling water, simultaneously also for cooling the controllable silicon on the controller in transformer and electric control system for heat-generating component such as top electrode dish and bottom electrode dishes; Electric control system can select PLC control system, is mainly used in the operation controlling gas circuit assembly and transformer, and electric control system is also for the intensity of the spacing and solder joint that control solder joint.Electrical apparatus control system is controlled by the energising cycle of the welding current to each independently welding mechanism, can change the spacing between solder joint on different weld seams; Electrical apparatus control system is by controlling gas circuit assembly, indirectly can control the preload pressure between the top electrode dish of each independently welding mechanism and bottom electrode dish, by the Comprehensive Control of the conduction time to the preload pressure between top electrode dish and bottom electrode dish and welding current, the control of the intensity of butt welding point can be realized.Improve the scope of application and the operating efficiency of roll-spot welding machine of the present invention.
Additional aspect of the present invention and advantage become obvious by description part below, or are recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the Facad structure schematic diagram of the roll-spot welding machine according to one embodiment of the invention;
Fig. 2 is the side structure schematic diagram of the roll-spot welding machine shown in Fig. 1;
Fig. 3 is the structural representation of the top electrode assembly of the roll-spot welding machine shown in Fig. 2;
Fig. 4 is the structural representation of the bottom electrode assembly of the roll-spot welding machine shown in Fig. 2.
Wherein, the corresponding relation in Fig. 1 to Fig. 4 between Reference numeral and component names is:
1 board, 101 the 3rd screw rod framves, 102 the 3rd screw rods, 103 board nuts, 2 bodies, 201 transformers, 202 gas circuit assemblies, 203 water route division boxs, 204 electric control systems, 3 welding mechanisms, 4 top electrode assemblies, 401 cylinder blocks, 402 cylinders, 403 piston rods, 404 terminal pads, 405 slide plates, 406 upper driving conductive mechanism, 407 top electrode dishes, 408 first guide posts, 409 first fairleads, 410 first screw rod framves, 411 first screw rods, 5 bottom electrode assemblies, 501 bases, 502 expansion brackets, 503 electrode platforms, 504 underdrive conductive mechanism, 505 bottom electrode dishes, 506 heighten handle, 507 worm screws, 508 worm gears, 509 heighten screw rod, 510 heighten nut, 511 guide rails, 512 second screw rod framves, 513 second screw rods, 514 base nuts, 515 second guide posts, 516 second fairleads, 6 pedestals.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here to implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
As shown in Figure 1, provide according to some embodiments of the invention a kind of can simultaneously to the roll-spot welding machine that many weld seams weld.
For achieving the above object, the embodiment of first aspect present invention provides a kind of roll-spot welding machine, comprising: board 1; Body 2, to be positioned at above board 1 and to be connected with board 1; Welding mechanism 3, is connected with body 2, and the quantity of welding mechanism 3 is multiple, and what multiple welding mechanism 3 was separate be arranged on above board 1 and be connected with board 1, and wherein, multiple welding mechanism 3 is for welding the different parts of welding work pieces.
Roll-spot welding machine according to an embodiment of the invention, its body 2 to be positioned on board 1 and to be connected with board 1, its Welding Structure 3 is connected with body 2, wherein, welding mechanism 3 is multiple, in a particular embodiment, the quantity of welding mechanism 3 is preferably two, two welding mechanisms 3 are separate, can weld for two different parts of a welding work pieces simultaneously, only need carry out disposable clamping to complex part, just can meet the welding requirements to complex part, greatly can improve the production efficiency of factory.
In addition, the roll-spot welding machine provided according to the above embodiment of the present invention also has following additional technical feature:
As shown in Figure 2, according to one embodiment of present invention, welding mechanism 3 comprises: top electrode assembly 4, and top electrode assembly 4 is connected with body 2; Bottom electrode assembly 5, is positioned at the below of top electrode assembly 4, and bottom electrode assembly 5 is connected to board 1 and body 2, and wherein, bottom electrode assembly 5 and top electrode assembly 4 form an independently welding circuit.
Roll-spot welding machine according to an embodiment of the invention, each independently welding mechanism 3 comprises top electrode assembly 4 and bottom electrode assembly 5, and top electrode assembly 4 and bottom electrode assembly 5 form an independently welding circuit; Wherein, top electrode assembly 4 is connected with body 2, and bottom electrode assembly 5 is positioned at the below of top electrode assembly 4 and bottom electrode assembly 5 is connected with board 1 and body 2.Wherein, each independently welding mechanism 3 comprises an independently welding circuit, when a welding mechanism 3 works independently, roll-spot welding facility are made to have the function of single head roll-spot welding machine, when multiple welding mechanism 3 works simultaneously, make roll-spot welding machine can carry out many places welding to same workpiece simultaneously, simplify the manufacturing procedure of workpiece, save the clamping time to workpiece, and then improve the operating efficiency of roll-spot welding machine.
As shown in Figure 3, according to one embodiment of present invention, top electrode assembly 4 comprises: cylinder block 401, and cylinder block 401 is fixed on body 2; Cylinder 402, cylinder 402 is fixed on cylinder block 401, and cylinder 402 is opening down; Piston rod 403, piston rod 403 is assemblied in cylinder 402; Terminal pad 404, be connected to the end of piston rod 403, and the lower surface of terminal pad 404 is provided with chute, a slide plate 405 is equipped with in chute, the first horizontal adjusting mechanism is provided with between slide plate 405 and terminal pad 404, for adjusting the displacement between slide plate 405 and terminal pad 404, slide plate 405 is fixed with upper driving conductive mechanism 406; Top electrode dish 407, top electrode dish 407 is assemblied in upper driving conductive mechanism 406; Wherein, terminal pad 404 is also fixed with the first guide post 408 vertically arranged, cylinder block 401 is fixed with the first fairlead 409, first guide post 408 and slides with the first fairlead 409 and match.
Roll-spot welding machine according to an embodiment of the invention, preload pressure between the top electrode dish 407 of the top electrode assembly 4 of each independently welding mechanism 3 and the bottom electrode dish 505 of bottom electrode assembly 5 is regulated by cylinder 402 and piston rod 403, the horizontal level of the top electrode dish 407 of the top electrode assembly 4 of each independently welding mechanism 3 is regulated by the first horizontal adjusting mechanism, level interval between the top electrode dish 407 of the top electrode assembly 4 of multiple welding mechanism 3 just can regulate, roll-spot welding eedle is facilitated to adjust the design feature of different workpieces and welding requirements, improve the range of work and the adaptability of roll-spot welding machine.
As shown in Figure 3, according to one embodiment of present invention, the first horizontal adjusting mechanism comprises: the first screw rod frame 410, is fixed on the below of terminal pad 404; First screw rod 411, first screw rod 411 is axially fixed on the first screw rod frame 410, and the first screw rod 411 is connected with the screw threaded engagement on slide plate 405.
Roll-spot welding machine according to an embodiment of the invention, first horizontal adjusting mechanism comprises the first screw rod frame 410 and the first screw rod 411, first screw rod frame 410 is fixed on the below of terminal pad 404, one end of first screw rod 411 is fixed on the first screw rod frame 410, and the other end of the first screw rod 411 is threaded with the screw on slide plate 405.Wherein, first screw rod frame 410 only has axial limiting effect to the first screw rod 411, first screw rod 411 can rotate on the first screw rod frame 410, by rotating the first screw rod 411, slide plate 405 can be controlled move axially along the first screw rod 411, namely control slide plate 405 to move relative to terminal pad 404, and then the horizontal level of top electrode dish 407 can be regulated, in the specific implementation, on terminal pad 404 or slide plate 405, preferably mark has graduation mark, so that accurately control the relative distance between multiple top electrode dish 407.
As shown in Figure 4, according to one embodiment of present invention, bottom electrode assembly 5 comprises: base 501, is connected with board 1, be provided with the second horizontal adjusting mechanism between base 501 and board 1, the second horizontal adjusting mechanism is for adjusting the distance between base 501 and board 1; Expansion bracket 502, expansion bracket 502 is fixed on base 501, is provided with height-regulating mechanism in expansion bracket 502, and height-regulating mechanism is for regulating the height of expansion bracket 502; Electrode platform 503, electrode platform 503 is fixed on the top of expansion bracket 502, electrode platform 503 is fixed with underdrive conductive mechanism 504; Bottom electrode dish 505, bottom electrode dish 505 is assemblied in underdrive conductive mechanism 504.Wherein, electrode platform 503 is also fixed with the second guide post 515 vertically arranged, expansion bracket 502 is fixed with the second fairlead 516, second guide post 515 and the second fairlead 516 is slidably matched.
Roll-spot welding machine according to an embodiment of the invention, the height and position of the bottom electrode dish 505 of the bottom electrode assembly 5 of multiple independently welding mechanism 3 and horizontal level are regulated by height-regulating device and the second horizontal adjusting mechanism respectively, just can regulate vertical Distance geometry horizontal range between the bottom electrode assembly 5 of multiple independently welding mechanism 3, facilitate roll-spot welding eedle to adjust the design feature of different workpieces and welding requirements, improve the range of work and the adaptability of roll-spot welding machine.
As shown in Figure 4, according to one embodiment of present invention, height-regulating mechanism comprises: heighten handle 506, and the rotating shaft heightening handle 506 is horizontally disposed worm screw 507; Worm gear 508, worm gear 508 is meshed with worm screw 507, wherein, the rotating shaft of worm gear 508 be one vertically arrange heighten screw rod 509; Heighten nut 510, be fixed on expansion bracket 502, heighten nut 510 and heighten screw rod 509 and match.
Roll-spot welding machine according to an embodiment of the invention, heighten handle 506 by rotation and get final product rotary worm 507, worm screw 507 drives worm gear 508 to rotate, the rotating shaft of worm gear 508 is rotated thereupon, the rotating shaft of worm gear 508 is for heightening screw rod 509, heighten screw rod 509 and heighten nut 510 threaded engagement, heightening nut 510 is fixed on expansion bracket 502, heighten screw rod 509 when rotating with worm gear 508, heighten screw rod 509 to rotate, control is heightened nut 510 and is moved axially along heightening screw rod 509, and then control expansion bracket 502 moves up and down.In specific implementation process, in order to accurately control multiple independently welding mechanism 3 bottom electrode dish 505 between opposed vertical distance, graduation mark should be identified near expansion bracket 502.
As shown in Figure 4, according to one embodiment of present invention, the second horizontal adjusting mechanism comprises: guide rail 511, and the quantity of guide rail 511 is many, and many guide rails 511 are connected to the both sides of base 501; Second screw rod frame 512, second screw rod frame 512 is fixed on board 1; Second screw rod 513, second screw rod 513 is axially fixed in the second screw rod frame 512, and the second screw rod 513 can rotate relative to the second screw rod frame 512; Base nut 514, base nut 514 is fixed on base 501, and base nut 514 is connected with the second screw rod 513 threaded engagement.
Roll-spot welding machine according to an embodiment of the invention, the second horizontal adjusting mechanism comprises many guide rails 511, second screw rod frame 512, second screw rod 513 and base nut 514.Wherein, many guide rails 511 are connected to the both sides of base 501, make base 501 can only carry out relative movement along guide rail 511 direction and board 1.Second screw rod frame 512 is fixed on board 1, one end of second screw rod 513 is axially fixed on the second screw rod frame 512, can only rotate on the second screw rod frame 512, the other end of the second screw rod 513 is threaded with base nut 514, base nut 514 is fixed on base 501, when rotation the second screw rod 513, base nut 514 moves axially on the second screw rod 513, board 1 can be involved move on base 501 along guide rail 511 direction, and then the relative level distance between the bottom electrode dish 505 controlling multiple independently welding mechanism 3.In specific implementation process, in order to accurately control the relative level distance between multiple bottom electrode dish 505, graduation mark should be identified near board 1 or base 501.
As depicted in figs. 1 and 2, according to one embodiment of present invention, also comprise pedestal 6, pedestal 6 is positioned at below board 1, and board 1 is connected by the 3rd horizontal adjusting mechanism with pedestal 6.
As shown in Figure 2, according to one embodiment of present invention, the 3rd horizontal adjusting mechanism comprises: the 3rd screw rod frame 101, is fixed on pedestal 6; 3rd screw rod 102, is axially fixed on the 3rd screw rod frame 101, and the 3rd screw rod 102 can rotate in the 3rd screw rod frame 101; Board nut 103, is fixed on board 1, and board nut 103 is connected with the 3rd screw rod 102 threaded engagement.
Roll-spot welding machine according to an embodiment of the invention, its pedestal 6 is positioned at below board 1, is connected with the 3rd horizontal adjusting mechanism between pedestal 6 and board 1, and the 3rd horizontal adjusting mechanism comprises the 3rd screw rod frame 101, the 3rd screw rod 102 and board nut 103.Wherein, 3rd screw rod frame 101 is fixed on pedestal 6, board nut 103 is fixed on board 1, one end of 3rd screw rod 102 is fixed on the 3rd screw rod frame 101,3rd screw rod 102 can rotate on the 3rd screw rod frame 101, the other end of the 3rd screw rod 102 is threaded with board nut 103, when rotation the 3rd screw rod 102, board nut 103 moves axially along the 3rd screw rod 102, board 1 can be affected to move horizontally on pedestal 3, and then carry out finely tuning to the horizontal level of whole roll-spot welding machine and correct.
As shown in Figure 2, according to one embodiment of present invention, also comprise: transformer 201, be positioned at body 2 and be connected with multiple welding mechanism 3, wherein, transformer 201 is contravariant transformer; Gas circuit assembly 202, be connected with the top electrode assembly 4 of body 2 and welding mechanism 3, gas circuit assembly 202 passes through the air pressure inside of the cylinder 402 regulated in top electrode assembly 4, to regulate the preload pressure between the top electrode dish 407 of top electrode assembly 4 and the bottom electrode dish 505 of bottom electrode assembly 5; Water route division box 203, is connected with body 2; Electric control system 204, is connected with control transformer 201, gas circuit assembly 202 and water route division box 203.
Roll-spot welding machine according to an embodiment of the invention, roll-spot welding machine of the present invention also comprises transformer 201, gas circuit assembly 202, water route division box 203 and electric control system 204, wherein, transformer 201 is contravariant transformer, by being connected with bottom electrode assembly 5 with the top electrode assembly 4 of multiple independently welding mechanism 3, play electric current conduction, realize the welding to workpiece; Gas circuit assembly 202 for regulating cylinder 402 pressure of the top electrode assembly 4 of multiple independently welding mechanism 3, and then regulates the preload pressure between top electrode dish 407 and bottom electrode dish 505, realizes the control of the thrust to workpiece; Water route division box 203 is for providing cooling water, simultaneously also for cooling the controllable silicon on the controller in transformer 201 and electrical apparatus control system 204 for heat-generating component such as top electrode dish 407 and bottom electrode dishes 505; Electric control system 204 can select PLC control system, is mainly used in the operation controlling gas circuit assembly 202 and transformer 201, and electric control system 204 is also for the intensity of the spacing and solder joint that control solder joint.Electrical apparatus control system 204 is controlled by the energising cycle of the welding current to each independently welding mechanism 3, can change the spacing between solder joint on different weld seams; Electrical apparatus control system 204 is by controlling gas circuit assembly 202, indirectly can control the preload pressure between the top electrode dish 407 of each independently welding mechanism 3 and bottom electrode dish 505, by the Comprehensive Control of the conduction time to the preload pressure between top electrode dish 407 and bottom electrode dish 505 and welding current, the control of the intensity of butt welding point can be realized.Improve the scope of application and the operating efficiency of roll-spot welding machine of the present invention.
In describing the invention, in the present invention, term " first ", " second " and " the 3rd " object only for describing, and instruction or hint relative importance can not be interpreted as; Term " many " represents two or more; Term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a roll-spot welding machine, is characterized in that, comprising:
Board;
Body, to be positioned at above described board and to be connected with described board;
Welding mechanism, be connected with described body, the quantity of described welding mechanism is multiple, and what multiple described welding mechanism was separate be arranged on above described board and be connected with described board, wherein, multiple described welding mechanism is used for welding the different parts of welding work pieces.
2. roll-spot welding machine according to claim 1, is characterized in that, described welding mechanism comprises:
Top electrode assembly, described top electrode assembly is connected with described body;
Bottom electrode assembly, is positioned at the below of top electrode assembly, and described bottom electrode assembly is connected to described board and described body, and wherein, described bottom electrode assembly and described top electrode assembly form an independently welding circuit.
3. roll-spot welding machine according to claim 2, is characterized in that, described top electrode assembly comprises:
Cylinder block, described cylinder block is fixed on described body;
Cylinder, described cylinder is fixed on described cylinder block, and described cylinder opening is down;
Piston rod, described piston rod is assemblied in described cylinder;
Terminal pad, be connected to the end of described piston rod, and the lower surface of described terminal pad is provided with chute, a slide plate is equipped with in described chute, the first horizontal adjusting mechanism is provided with between described slide plate and described terminal pad, for adjusting the displacement between described slide plate and described terminal pad, described slide plate is fixed with upper driving conductive mechanism;
Top electrode dish, described top electrode dish is assemblied in described upper driving conductive mechanism;
Wherein, described terminal pad is also fixed with the first guide post vertically arranged, described cylinder block is fixed with the first fairlead, described first guide post slides with described first fairlead and matches.
4. roll-spot welding machine according to claim 3, is characterized in that, described first horizontal adjusting mechanism comprises:
First screw rod frame, is fixed on the below of described terminal pad;
First screw rod, described first screw axial is fixed on described first screw rod frame, and described first screw rod is connected with the screw threaded engagement on described slide plate.
5. roll-spot welding machine according to claim 2, is characterized in that, described bottom electrode assembly comprises:
Base, is connected with described board, is provided with the second horizontal adjusting mechanism between described base and described board, and described second horizontal adjusting mechanism is for adjusting the distance between described base and described board;
Expansion bracket, described expansion bracket is fixed on described base, is provided with height-regulating mechanism in described expansion bracket, and described height-regulating mechanism is for regulating the height of described expansion bracket;
Electrode platform, described electrode platform is fixed on the top of described expansion bracket, described electrode platform is fixed with underdrive conductive mechanism;
Bottom electrode dish, described bottom electrode dish is assemblied in described underdrive conductive mechanism.
Wherein, described electrode platform is also fixed with the second guide post vertically arranged, described expansion bracket is fixed with the second fairlead, described second guide post slides with described second fairlead and matches.
6. roll-spot welding machine according to claim 5, is characterized in that, described height-regulating mechanism comprises:
Heighten handle, described in heighten handle rotating shaft be horizontally disposed worm screw;
Worm gear, described worm gear is meshed with described worm screw, wherein, the rotating shaft of described worm gear be one vertically arrange heighten screw rod;
Heighten nut, be fixed on described expansion bracket, described in heighten nut and match with described screw rod of heightening.
7. roll-spot welding machine according to claim 5, is characterized in that, described second horizontal adjusting mechanism comprises:
Guide rail, the quantity of described guide rail is many, and many described guide rails are connected to the both sides of described base;
Second screw rod frame, described second screw rod frame is fixed on described board;
Second screw rod, described second screw axial is fixed in described second screw rod frame, and described second screw rod can rotate relative to described second screw rod frame;
Base nut, described base nut is fixed on described base, and described base nut and described second screw flight are connected.
8. roll-spot welding machine according to claim 2, is characterized in that, also comprise pedestal, and described pedestal is positioned at below described board, and described board is connected by the 3rd horizontal adjusting mechanism with described pedestal.
9. roll-spot welding machine according to claim 8, is characterized in that, described 3rd horizontal adjusting mechanism comprises:
3rd screw rod frame, is fixed on described pedestal;
3rd screw rod, is axially fixed on described 3rd screw rod frame, and described 3rd screw rod can rotate in described 3rd screw rod frame;
Board nut, is fixed on described board, and described board nut and described 3rd screw flight are connected.
10. the roll-spot welding machine according to any one of claim 2 to 9, is characterized in that, also comprise:
Transformer, is positioned at described body and is connected with multiple described welding mechanism, and wherein, described transformer is contravariant transformer;
Gas circuit assembly, be connected with the described top electrode assembly of described body and described welding mechanism, described gas circuit assembly passes through the air pressure inside of the cylinder regulated in described top electrode assembly, to regulate the preload pressure between the top electrode dish of described top electrode assembly and the bottom electrode dish of described bottom electrode assembly;
Water route division box, is connected with described body;
Electric control system, is connected with described transformer, described gas circuit assembly and described water route division box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111979.4A CN104668758A (en) | 2015-03-13 | 2015-03-13 | Roll spot welding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111979.4A CN104668758A (en) | 2015-03-13 | 2015-03-13 | Roll spot welding machine |
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| CN104668758A true CN104668758A (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510111979.4A Pending CN104668758A (en) | 2015-03-13 | 2015-03-13 | Roll spot welding machine |
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|---|---|---|---|---|
| CN111421213A (en) * | 2019-01-09 | 2020-07-17 | 本田技研工业株式会社 | Electrode posture confirmation device and electrode posture confirmation method |
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Application publication date: 20150603 |