CN102873440A - Stud welding gun device and control method thereof - Google Patents
Stud welding gun device and control method thereof Download PDFInfo
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- CN102873440A CN102873440A CN2012103981768A CN201210398176A CN102873440A CN 102873440 A CN102873440 A CN 102873440A CN 2012103981768 A CN2012103981768 A CN 2012103981768A CN 201210398176 A CN201210398176 A CN 201210398176A CN 102873440 A CN102873440 A CN 102873440A
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Abstract
The invention provides a stud welding gun device, which is used for switching and welding studs of N types of sizes, wherein N is more than or equal to 2. The stud welding gun device comprises a nail dividing device, wherein the nail dividing device comprises a shell, a movable channel module and a driving device; the shell is provided with N stud inlets and a stud outlet; the other end of each nail sending pipeline is connected with one stud inlet; the other end of a nail outlet pipeline is connected with the stud outlet; the channel module is positioned in the shell; the inside of the channel module is provided with N stud channels; each stud channel penetrates through the channel module and comprises a channel inlet and a channel outlet; all stud channels are all mutually independent and are free from mutual interference; the driving device drives the channel module to move in the shell so as to switch different stud channels; and therefore, a required nail sending pipeline is communicated with the nail outlet pipeline via a certain stud channel. According to the stud welding gun device disclosed by the invention, the studs of more than two sizes can be switched and welded by one welding gun. The invention further provides a method used for controlling the stud welding gun device.
Description
Technical field
The present invention relates to a kind of stud welding gun device and control method thereof.
Background technology
Stud welding gun is widely used in the industries such as automobile, shipbuilding, aviation, locomotive, machinery, boiler, chemical industry equipment, electric power, construction steel structure.Its operation principle is: the arc heat that utilizes the electric capacity repid discharge to produce fuses the double-screw bolt tip fast, and welded metal works also produces local melting simultaneously, forms the molten bath, and double-screw bolt is pressed in the workpiece molten bath, then finishes welding.
Chinese patent 201120196075.3 discloses a kind of nail-feeding air pressure monitoring device of stud welding machine, it comprises the continuous nail feeding machanism of stud welding machine, the inlet end of this continuous nail feeding machanism is connected with baroceptor, pressure regulator valve and magnetic valve in turn by pipeline, and this baroceptor is connected with air pressure display device.
Chinese patent 201120105182.0 discloses a kind of rotation wheel type automatic nail feeding device.It is imported material in the runner by feed pipe, and the cam pin that is driven upper and lower two ends of central shaft by Telescopic-cylinder is inserted in the eccentric pin hole of runner in order, drives runner and rotates, and then by pushing pin material is released.
Chinese patent 200820146652.6 discloses a kind of drawn-arc stud welding gun, it comprises fixation kit and movable component, at the movable component middle part double-screw bolt receiver assembly and cylinder-piston assembly are arranged, the double-screw bolt receiver assembly is installed in the front end of cylinder-piston assembly, and its inside has arc to send the nail slideway; The receiver assembly conductive chuck is installed in the place ahead of double-screw bolt receiver assembly, and the endoporus of its perforation send the nail mouth of nail slideway to communicate with arc, and the receiver assembly arc send advancing outside the nail mouthful logical rifle of nail slideway; The piston rod of cylinder-piston assembly is coaxial with the endoporus of conductive chuck, and when the piston of cylinder-piston assembly moved forward, its piston rod sent the nail slideway to enter in the endoporus of conductive chuck through the arc of double-screw bolt receiver assembly, outside the logical rifle of the air flue of cylinder-piston assembly.
Chinese patent 97225415.3 discloses a kind of by micro-processor controlled automatic arc stud welding machine, and the scr rectification circuit that it adopts fully controlled bridge and half-controlled bridge to be in parallel utilizes the current waveform modulation to realize the stud welding process.
The deficiency of technique scheme is: one stud welding gun can only beat the weldering a kind of size double-screw bolt, in production practices, usually need to be at the double-screw bolt of the two or more sizes of workpiece welding, so just, need to use two above welding guns, and then cause that cost is high, efficient is low, fault rate is high, large shortcoming takes up room.
Therefore, how to provide a kind of stud welding gun of beating the two or more sizes of weldering that can switch to become the problem that industry need to solve.
Summary of the invention
For the shortcoming of prior art, the purpose of this invention is to provide a kind of can the switching and make the stud welding gun that welds two or more sizes.
To achieve these goals, the invention provides a kind of stud welding gun device, be used for switching the double-screw bolt of beating weldering N kind size, N 〉=2 wherein, it comprises for delivery of N feeding device for nail of N kind different size double-screw bolt, goes out to follow closely pipeline and minute spike devices with send the nail N bar that outlet links to each other to send to follow closely pipeline, welding gun, an end to link to each other with welding gun of N feeding device for nail respectively; Minute spike devices is being sent the nail pipeline and is being gone out to follow closely between the pipeline, and it comprises:
Housing, this housing are provided with N double-screw bolt entrance and a double-screw bolt outlet, and every is sent the other end of nail pipeline all to link to each other with a double-screw bolt entrance, and the other end that goes out to follow closely pipeline links to each other with the double-screw bolt outlet;
Movable channel module, it is positioned within the housing, is provided with N bar double-screw bolt passage in this channel module; Every the double-screw bolt passage all connects described channel module, comprises feeder connection and channel outlet; All double-screw bolt passages are independent of one another, mutually noninterfere all;
Drive unit, it drives channel module and moves in housing, to switch different double-screw bolt passages, makes the required nail device for cleaning pipeline that send cross a certain double-screw bolt passage and go out to follow closely pipeline and communicate.
Among the present invention, stud welding gun is carried, is pushed and the object of welding is not limited to double-screw bolt, also can be the attaching parts such as screw, pin, by these attaching parts are welded on the metal surface, thereby be provided for being connected with other part the parts that particularly are spirally connected in this metal surface.
Among the present invention, the value of N can be 2,3,4 even more, i.e. the present invention can beat the two or more for example double-screw bolts of two kinds, three kinds, four kinds sizes of weldering to the welding gun switching with one.For example, the double-screw bolt kind of playing weldering when needs is three kinds, at this moment, the value of N is 3, namely sending the nail pipeline is three, carry respectively different double-screw bolts, double-screw bolt entrance on the housing has three, article three, send the nail pipeline to be connected with three double-screw bolt entrances respectively, be provided with three double-screw bolt passages in the channel module, when certain double-screw bolt of needs, only need to drive the channel module motion by drive unit, make and carry the nail pipeline that send of this kind double-screw bolt to be connected with the feeder connection of a double-screw bolt passage, and the channel outlet of this double-screw bolt passage with go out to follow closely pipeline and be connected.
Among the present invention, according to the assembling needs, channel module can be various shapes, and for example cuboid, spheroid, cylinder or cross section are trapezoidal stage body or cylinder, and it is preferably cuboid.When channel module is cuboid, the feeder connection of channel module lays respectively on two relative surfaces of this cuboid channel module with channel outlet, i.e. entrance place face and outlet place face.
Among the present invention, the entrance place face of channel module all contacts with the inwall of housing with outlet place face.When the entrance of certain passage double-screw bolt entrance corresponding with it was communicated with, the outlet of this passage was communicated with the double-screw bolt outlet.
Among the present invention, the effect of drive unit is to drive channel module to do rectilinear motion or rotatablely move.For example, when channel module was cuboid or cylinder, drive unit can comprise motor and motor-driven screw mandrel, drives it and does rectilinear motion; When channel module was spheroid or cylinder, drive unit can comprise motor and reduction box, drove it and rotated.
The present invention drives channel module by drive unit certain displacement occurs, make a certain double-screw bolt channel connection in the channel module send the nail pipeline and go out to follow closely pipeline, and then carry the double-screw bolt of required size to welding gun, thereby realize switching the double-screw bolt of beating the two or more sizes of weldering with a welding gun, and avoided many welding gun is switched, both reduced cost, improved again operating efficiency, increase simultaneously working space, avoided many potential safety hazards that welding gun interfered collision.
Another specific embodiment according to the present invention, drive unit are motor and motor-driven screw mandrel, hydraulic cylinder or cylinder, drive channel module and do rectilinear motion.Another specific embodiment according to the present invention, channel module are cuboid, and under the driving of drive unit, it is rectilinear motion in housing.
Another specific embodiment according to the present invention is provided with two double-screw bolt passages in the channel module, be respectively spike passage and short nail passage.
The axis of the double-screw bolt passage in another specific embodiment according to the present invention, channel module is curve or broken line.Another specific embodiment according to the present invention, the distance between the adjacency channel outlet is less than the distance between the adjacency channel entrance.
Another specific embodiment according to the present invention, it further comprises processor (for example PLC processor), is used for receiving the nail that send that comprises double-screw bolt size or model and asks, and carry out the switching of double-screw bolt passage according to this Request Control drive unit.
Another specific embodiment according to the present invention, it further comprises the position sensor that is arranged on drive unit or the channel module, is used for sending after moving into place putting signal in place to processor, processor sends according to this signal and send the nail instruction.Particularly, this position sensor can be, for example magnetic switch.
Because passage switches needed displacement of the lines or angular displacement is all smaller, after drive unit starts, usually only need namely can realize this displacement several seconds zero point.Also do not put in place if exceeded this time span, then may break down.Another specific embodiment according to the present invention, it further comprises warning device, be used for when drive unit start a period of time (for example 0.5 second-1.5 seconds) afterwards position sensor do not send when putting signal in place, under the control of processor, report to the police, so that the staff processes fault.
Another specific embodiment according to the present invention, it further comprises be used to the limited block that prevents that displacement is excessive, this limited block is arranged on the drive unit, in the housing or on the channel module.Particularly, for example, when many double-screw bolt passages that arrange in the channel module are arranged up and down, only to uppermost passage and nethermost channel setting limited block.And for example, when the number of active lanes that arranges in the channel module is two, then two passes is all arranged limited block.
On the other hand, the invention provides a kind of method be used to controlling above-mentioned stud welding gun device, it comprises the steps:
After A, welding object put in place, processor sent data and the welding request of welding object to the welding robot main frame;
B, welding robot main frame are selected corresponding welding procedure in a plurality of welding procedures of storage within it according to the welding object data that receive;
C, welding robot main frame are judged double-screw bolt size or the model of current needs according to selected welding procedure, and judged result is sent to processor;
D, processor are according to the judged result among the step C, and accessory drive moves to switch and obtain current needed double-screw bolt passage;
After E, corresponding double-screw bolt passage switching were finished, processor sent and send the nail instruction to the main frame that send nailing machine, send the nailing machine that send corresponding to host computer control of nailing machine to send nail; Should be noted that, send the main frame of nailing machine can control a plurality of nailing machines that send and send nail;
The host computer control welding robot of F, welding robot is played weldering;
G, carry out the welding of next double-screw bolt, repeating step C-F.
Compared with prior art, the present invention possesses following beneficial effect:
The present invention drives channel module by drive unit certain displacement occurs, make a certain double-screw bolt channel connection in the channel module send the nail pipeline and go out to follow closely pipeline, and then carry the double-screw bolt of required size to welding gun, thereby realize switching the double-screw bolt of beating the two or more sizes of weldering with a welding gun, and avoided many welding gun is switched, both reduced cost, improved again operating efficiency, increase simultaneously working space, avoided many potential safety hazards that welding gun interfered collision.
The present invention is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the stud welding gun device of embodiment 1;
Fig. 2 is the view of minute spike devices of embodiment 1 when carrying spike;
Fig. 3 is that minute spike devices of embodiment 1 is carried the view when lacking nail;
Fig. 4 is the structural representation of minute spike devices of embodiment 2;
Fig. 5 be housing among Fig. 4 and channel module along in the cross-sectional view of face.
The specific embodiment
As shown in Figure 1-Figure 3, the stud welding gun device of present embodiment is used for the workshop that is welded of automobile making, it can beat the double-screw bolt of two kinds of sizes of weldering, and it comprises that control cabinet, spike send nailing machine, spike to send nail pipeline 1, short nail to send nailing machine, short nail to send nail pipeline 2, minute spike devices 3, go out to follow closely pipeline 4, welding gun 5, warning device.
Wherein, minute spike devices 3 comprises housing 31, channel module 32, drive unit (such as cylinder 33).Housing 31 is provided with two double-screw bolt entrances and a double-screw bolt outlet, and every is sent the nail pipeline all to link to each other with a double-screw bolt entrance, goes out to follow closely pipeline 4 and links to each other with the double-screw bolt outlet.
The feeder connection of channel module 32 lays respectively on two relative surfaces of this cuboid channel module with channel outlet, i.e. entrance place face and outlet place face.The entrance place face of channel module 32 all contacts with the inwall of housing 31 with outlet place face.When certain feeder connection double-screw bolt entrance corresponding with it was communicated with, the outlet of this passage was communicated with the double-screw bolt outlet.
Spike send an end of nail pipeline 1 to send the outlet of nailing machine to link to each other with spike, and the other end links to each other with a double-screw bolt entrance on the housing.Short nail send an end of nail pipeline 2 to send the outlet of nailing machine to link to each other with short nail, and the other end links to each other with a double-screw bolt entrance on the housing.An end that goes out to follow closely pipeline 4 links to each other with double-screw bolt outlet on the housing, and the other end links to each other with welding gun 5.
In addition, cylinder 33 is provided with two position sensors (for example magnetic switch), and these two magnetic switch correspond respectively to position and the short position of following closely passage 322 connections that spike passage 321 is communicated with, and are used for moving into place rear transmission and put signal in place to processor.
Be provided with processor (for example PLC processor) in the control cabinet, it has following effect: (1) receives the nail that send that comprises the double-screw bolt model and asks, and carries out the switching of double-screw bolt passage according to this Request Control cylinder; (2) send according to the signal that puts in place of magnetic switch and send the nail instruction to the corresponding nailing machine that send; (3) when cylinder start a period of time for example after 0.5 second magnetic switch do not send when putting signal in place, the control warning device is reported to the police, so that the staff processes fault.
In addition, be provided with in the housing be used to the limited block that prevents that the channel module displacement is excessive.
The control method of present embodiment (workflow) comprises the steps:
After A, welding object (for example car body) put in place, the PLC processor sent data (model data) and the welding request of welding object to the welding robot main frame;
B, welding robot main frame are selected corresponding welding procedure in a plurality of welding procedures of storage within it according to the model data that receives;
C, welding robot main frame are according to selected welding procedure, and the double-screw bolt of judging current needs is spike or short nail, and judged result is sent to the PLC processor;
D, PLC processor are according to the judged result among the step C, and accessory drive moves to switch and obtain current needed double-screw bolt passage; Particularly, when the needs spike, cylinder 33 pulling channel modules 32 are descending, make spike passage 321 and spike send nail pipeline 1 and go out to follow closely pipeline 4 and are communicated with (as shown in Figure 2); When the short nail of needs, it is up that cylinder 33 promotes channel module 32, makes short nail passage 322 send nail pipeline 2 and go out to follow closely pipeline 4 with short nail and be communicated with (as shown in Figure 3);
After E, corresponding double-screw bolt passage switching were finished, magnetic switch sent and puts signal in place to the PLC processor; The PLC processor sends and send the nail instruction to the main frame that send nailing machine, send the host computer control spike of nailing machine to send nailing machine or short nail to send nailing machine to send nail;
After F, spike or weak point were pinned to the position, the host computer control welding robot of welding robot was played weldering;
G, carry out the welding of next double-screw bolt, repeating step C-F.
Fig. 4-Fig. 5 has shown embodiments of the invention 2, and wherein, a minute spike devices comprises housing 61, channel module 62, drive unit (such as cylinder 63).Housing 61 comprises cover plate 611, two double-screw bolt entrances 612 and a double-screw bolt outlet 613.Channel module 62 is cuboid, is positioned within the housing 61, is provided with two double-screw bolt passages in it, is respectively spike passage 621 and short nail passage 622, and the axis of double-screw bolt passage is curve.
The difference of present embodiment and embodiment 1 is: the number of double-screw bolt passage is three passages in the channel module, and is namely changeable and carry the double-screw bolt of three kinds of different sizes.
The difference of present embodiment and embodiment 1 is: (1) channel module and housing be shaped as equal cylinder, it realizes the switching of double-screw bolt passage by rotation; (2) drive unit is that motor reaches the reduction box that links to each other with the output shaft of motor, is used for driving cylindrical channel module and rotatablely moves.
Although the present invention discloses as above with preferred embodiment, is not to limit scope of the invention process.Any those of ordinary skill in the art, within not breaking away from invention scope of the present invention, when doing a little improvement, namely every equal improvement of doing according to the present invention should be scope of the present invention and contains.
Claims (10)
1. stud welding gun device, be used for switching the double-screw bolt of beating weldering N kind size, N 〉=2 wherein, it comprises for delivery of N feeding device for nail of N kind different size double-screw bolt, goes out to follow closely pipeline and minute spike devices with send the nail N bar that outlet links to each other to send to follow closely pipeline, welding gun, an end to link to each other with described welding gun of a described N feeding device for nail respectively; Described minute spike devices sent the nail pipeline and describedly gone out to follow closely between the pipeline described, and it comprises:
Housing, described housing are provided with N double-screw bolt entrance and a double-screw bolt outlet, and every described other end of nail pipeline that send all links to each other with a double-screw bolt entrance, and the described other end that goes out to follow closely pipeline links to each other with described double-screw bolt outlet;
Movable channel module, it is positioned within the described housing, is provided with N bar double-screw bolt passage in the described channel module; Every the double-screw bolt passage all connects described channel module, comprises feeder connection and channel outlet; All double-screw bolt passages are independent of one another, mutually noninterfere all;
Drive unit, it drives described channel module and moves in described housing, to switch different double-screw bolt passages, makes the required nail device for cleaning pipeline that send cross a certain double-screw bolt passage and go out to follow closely pipeline and communicate.
2. stud welding gun device as claimed in claim 1, wherein, described drive unit is motor and motor-driven screw mandrel, hydraulic cylinder or cylinder.
3. stud welding gun device as claimed in claim 1, wherein, described channel module is cuboid, under the driving of drive unit, it is rectilinear motion in described housing.
4. stud welding gun device as claimed in claim 1 wherein, is provided with two double-screw bolt passages in the described channel module, is respectively spike passage and short nail passage.
5. stud welding gun device as claimed in claim 1, wherein, the axis of the double-screw bolt passage in the described channel module is curve or broken line.
6. stud welding gun device as claimed in claim 5, wherein, the distance between the adjacency channel outlet is less than the distance between the adjacency channel entrance.
7. stud welding gun device as claimed in claim 1, it further comprises processor, be used for receiving comprise double-screw bolt size or model send the nail request, and carry out the switching of double-screw bolt passage according to this Request Control drive unit.
8. stud welding gun device as claimed in claim 7, it further comprises the position sensor that is arranged on described drive unit or the described channel module, signal put in place to processor for sending after moving into place, and processor sends according to this signal and send the nail instruction.
9. stud welding gun device as claimed in claim 8, it further comprises warning device, be used for when drive unit after startup a period of time position sensor do not send when putting signal in place, under the control of processor, report to the police.
10. method that is used for one of control claim 1-9 described stud welding gun device, it comprises the steps:
After A, welding object put in place, processor sent data and the welding request of welding object to the welding robot main frame;
B, welding robot main frame are selected corresponding welding procedure in a plurality of welding procedures of storage within it according to the welding object data that receive;
C, welding robot main frame are judged double-screw bolt size or the model of current needs according to selected welding procedure, and judged result is sent to processor;
D, processor are according to the judged result among the step C, and accessory drive moves to switch and obtain current needed double-screw bolt passage;
After E, corresponding double-screw bolt passage switching were finished, processor sent and send the nail instruction to the main frame that send nailing machine, send the nailing machine that send corresponding to host computer control of nailing machine to send nail;
The host computer control welding robot of F, welding robot is played weldering;
G, carry out the welding of next double-screw bolt, repeating step C-F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210398176.8A CN102873440B (en) | 2012-08-08 | 2012-10-18 | Stud welding gun device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220392258 | 2012-08-08 | ||
| CN201220392258.7 | 2012-08-08 | ||
| CN201210398176.8A CN102873440B (en) | 2012-08-08 | 2012-10-18 | Stud welding gun device and control method thereof |
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| CN102873440A true CN102873440A (en) | 2013-01-16 |
| CN102873440B CN102873440B (en) | 2014-11-19 |
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| CN201210398176.8A Expired - Fee Related CN102873440B (en) | 2012-08-08 | 2012-10-18 | Stud welding gun device and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106735776A (en) * | 2017-01-18 | 2017-05-31 | 宁波市鸿腾机电有限公司 | The full-automatic stud spot-welding equipment of elevator panel |
| US20180015530A1 (en) * | 2016-07-15 | 2018-01-18 | Newfrey Llc | Punch rivet supply device and punch riveting device |
| CN109175625A (en) * | 2018-09-26 | 2019-01-11 | 浙江上势自动焊接科技有限公司 | A kind of rotating disc type stud welding gun |
| CN110340647A (en) * | 2019-06-28 | 2019-10-18 | 安徽巨一自动化装备有限公司 | A kind of stream brill tightening device selects and recommends the device and method of polytypic screw |
| CN111496356A (en) * | 2020-04-30 | 2020-08-07 | 浙江创利焊接科技股份有限公司 | Intelligent stud welding machine and intelligent welding method |
| CN111683762A (en) * | 2017-12-05 | 2020-09-18 | 阿特拉斯·科普柯Ias(英国)有限公司 | Nose arrangement for fastener placement machine and related method |
| US11241729B2 (en) | 2017-12-05 | 2022-02-08 | Atlas Copco Ias Uk Limited | Fastener handling devices for fastener setting machines, and related methods |
| US11660658B2 (en) | 2017-12-05 | 2023-05-30 | Atlas Copco Ias Uk Limited | Fastener magazines, and related supply systems and methods |
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| CN111496356A (en) * | 2020-04-30 | 2020-08-07 | 浙江创利焊接科技股份有限公司 | Intelligent stud welding machine and intelligent welding method |
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