CN201573030U - Automatic grinding device for electrodes of fixed welding gun on welding assembly line - Google Patents
Automatic grinding device for electrodes of fixed welding gun on welding assembly line Download PDFInfo
- Publication number
- CN201573030U CN201573030U CN 200920292326 CN200920292326U CN201573030U CN 201573030 U CN201573030 U CN 201573030U CN 200920292326 CN200920292326 CN 200920292326 CN 200920292326 U CN200920292326 U CN 200920292326U CN 201573030 U CN201573030 U CN 201573030U
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- China
- Prior art keywords
- coping device
- turning arm
- welding gun
- grinding device
- coping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an automatic grinding device for electrodes of a fixed welding gun on a welding assembly line, which is characterized in that a rotating shaft is arranged on a support of the welding gun in a Z direction, a rotating arm which takes the rotating shaft as the rotation center and can rotate in an XOY plane is arranged on the rotating shaft, a swing cylinder which forms the triangular support for the rotating arm is arranged between the support and the rotating arm, the grinding device is fixedly arranged on the outer side of the rotating arm through a back plate of the grinding device, and a rotary blade driven by a motor is arranged on the grinding device; and the rotating arm has two state positions under the drive of the swing cylinder, one state position is the working position of the rotary blade on the grinding device being positioned between a cathode and an anode of the welding gun, and the other state position is the idle position for preventing the grinding device from forming the interference to the welding gun. The automatic grinding device replaces a servomotor and a high-precision speed reducer component with the swing cylinder which is used as a power mechanism, can well meet the working requirements by using a position sensor to set the stroke of the swing cylinder, and has the advantages of simple and reliable structural principle, low cost and easy operation and maintenance.
Description
Technical field
The utility model relates to the welding gun coping device, and it is a kind of at the fixing welding gun electrode coping device that carries out automatic reconditioning on the line that is welded more specifically to say so.
Background technology
Development along with auto manufacturing, industrial robot has been introduced in the body in white welding in a large number, conventional industrial robot welding is to carry welding gun by industrial robot body in white is welded, but for some special stations, need be by industrial robot by the handgrip grabbing workpiece, then in the fixedly welding of the enterprising andante spare of welding gun.After welding was finished, industrial robot was sent to plate Next station again.No matter be that robot carries welding gun or adopts fixedly welding gun to carry out body in white and weld, welded the solder joint of some when welding gun after, must Butt welding gun about two electrodes carry out reconditioning.Carry in the mode that welding gun welds at industrial robot, the reconditioning of two electrodes is relatively simple about the welding gun, normally two electrodes about the welding gun are delivered on the rotating blade of electrode dressing by robot, start automatic coping device, just can finish the welding gun reconditioning of two electrodes up and down, whole process ratio is easier to control.And when adopting the welding manner of fixing welding gun, because welding gun is fixed, so the reconditioning of two electrodes is relatively relatively more difficult up and down for welding gun.
At present, in the operation of body in white welding, adopt when fixedly welding gun welds, the reconditioning mode of two electrodes is main following two kinds about the welding gun:
A kind of is when fixedly welding gun needs reconditioning, realizes that by workman's manual operations the workman adopts simple tools, the mode by hand grinding to fixing welding gun up and down two electrodes carry out reconditioning.The common reconditioning precision of this mode is difficult to guarantee, has a strong impact on welding quality, and big, the inefficiency of labor strength influences work tempo simultaneously.
Another kind is when fixedly welding gun needs reconditioning, by switching mechanism automatic coping device is delivered to fixedly welding gun and between two electrodes fixing welding gun is carried out reconditioning up and down, and its switching mechanism is made up of servomotor and high-accuracy reductor.This mode can make automatic coping device Butt welding gun carry out accurate reconditioning, improved efficiency, but owing to adopt expensive mechanisms such as servomotor and high-accuracy reductor, greatly improved entire equipment cost, break down easily, be unfavorable for to safeguard that and switching mechanism needs bigger space.
More than two kinds of existing modes all can not solve the contradiction of raising labour efficiency and reducing equipment cost well.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point, and the fixedly automatic coping device of welding gun electrode is provided on a kind of simple in structure, reliable in function, the line that is welded with low cost.When fixedly welding gun electrode needed reconditioning, coping device was sent into fixedly welding gun up and down between two electrodes automatically, and guaranteed the rotating blade of automatic coping device and fixing welding gun two interelectrode accurate relative positions up and down, finished the accurate reconditioning of two electrodes about the fixing welding gun; Finish coping device after the reconditioning and can return automatically and wait for the position, abdicate the fixedly working space of welding gun, so that welding gun is got work ready.
The utility model technical solution problem adopts following technical scheme:
The utility model is welded on the line fixedly, and the design feature of the automatic coping device of welding gun electrode is on the support of welding gun, be Z to rotating shaft is set, the turning arm that is center of rotation, can rotates in XOY plane is being set with the rotating shaft in the rotating shaft, between described support and turning arm, the oscillating cylinder that turning arm is formed gusseted is set, the outside at described turning arm fixedly installs coping device by the coping device backboard, is provided with on coping device by motor-driven rotating blade; Turning arm under described oscillating cylinder drives has two mode bits, and one is that rotating blade is in working position between the welding gun anode and cathode on the coping device; Another is to avoid the coping device Butt welding gun to form the idle position of interference.
The utility model is welded on the line fixedly, and the design feature of the automatic coping device of welding gun electrode also is:
Two mode bits of described turning arm are provided with position locking mechanism, and described position locking mechanism is to fixedly install Z to lock cylinder on support, and the turning arm locating hole is set on the correspondence position of turning arm; Be inserted in the turning arm locating hole to lock cylinder with the Z that stretches out and lock working position, be blocked in the idle position of outside locking of turning arm locating hole with the Z that stretches out to lock cylinder.
Be level on the turning arm of described coping device backboard and correspondence position coping device axle sleeve and turning arm axle sleeve are set respectively, described coping device is to be suspended on the turning arm by the bearing pin that is inserted in jointly in coping device axle sleeve and the turning arm axle sleeve.
Between described coping device backboard and turning arm, detent mechanism is set, described detent mechanism is to be to be horizontally disposed with positioning cylinder on turning arm, on the coping device backboard of correspondence position the coping device locating hole is set, be inserted in the horizontal location that forms in the coping device locating hole coping device with the piston rod in the positioning cylinder that stretches out, the front end of the piston rod of described positioning cylinder is set with the taper pin rod.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, substitutes servomotor and high-accuracy reductor assembly as actuating unit with oscillating cylinder in the utility model, the stroke of oscillating cylinder is set by position sensor, can satisfy job requirement well, its structural principle is simple and reliable, with low cost, easy operating and maintenance.
2, coping device can switch on the reconditioning working position of fixing welding gun and spare bits by turning arm in the utility model, has avoided coping device and the fixedly interference of welding gun work, saves the space, makes whole system more compact.
3, the utility model can pass through the automatic control system Automatic Control for the fixing reconditioning process at welding gun the two poles of the earth, can satisfy the automation and the intelligent requirements of system.
4, be arranged in the utility model that position locking mechanism on two mode bits of turning arm is simple in structure, locking is reliable.
5, the piston rod of positioning cylinder is set to the taper pin rod in the utility model, and the guide effect of its taper makes location structure more simply ingenious.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is in the working position view for the utility model coping device.
Fig. 3 is the utility model coping device and turning arm fit structure schematic diagram.
Fig. 4 is the utility model coping device and turning arm detent mechanism structural representation.
Number in the figure: 1 welding gun, 2 turning arms, 3 coping devices, 3a coping device backboard, 4 rotating blades, 5 oscillating cylinders, 6 supports, 7 turning arm locating holes, 8 rotating shafts, 9 are that Z is to lock cylinder, 10 positioning cylinders, 11 coping device locating holes, 12 bearing pins, 12a coping device axle sleeve, 12b turning arm axle sleeve, 13 taper pin rods.
Below pass through the specific embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
The specific embodiment
Referring to Fig. 1 and Fig. 2, on the support 6 of welding gun 1, be Z to rotating shaft 8 is set, in rotating shaft 8, be provided with rotating shaft 8 be center of rotation, the turning arm 2 that can in XOY plane, rotate, between support 6 and turning arm 2, the oscillating cylinder 5 that turning arm is formed gusseted is set, fixedly installs coping device 3 by coping device backboard 3a, on coping device 3, be provided with by motor-driven rotating blade 4 in the outside of turning arm 2; Turning arm 2 under oscillating cylinder 5 drives has two mode bits, and one is negative electrode and the working position between the anode (as shown in Figure 2) that rotating blade 4 is in welding gun 1 on the coping device 3; Another is to avoid coping device 3 Butt welding guns 1 to form the idle position (as shown in Figure 1) of interfering.
In concrete the enforcement, the corresponding structure setting also comprises:
Referring to Fig. 2, two mode bits of turning arm 2 are provided with position locking mechanism, and position locking mechanism is to fixedly install Z to lock cylinder 9 on support 6, and turning arm locating hole 7 is set on the correspondence position of turning arm 2; The piston rod that stretches out in lock cylinder 9 with Z is inserted in and locks working position (as shown in Figure 2) in the turning arm locating hole 7, and the piston rod that stretches out in lock cylinder 9 with Z is blocked in the idle position of locking, the outside (as shown in Figure 1) of turning arm locating hole 7.
Fig. 3, shown in Figure 4, be level on the turning arm 2 of coping device backboard 3a and correspondence position coping device axle sleeve 12a and turning arm axle sleeve 12b are set respectively, coping device 3 is to be suspended on the turning arm 2 by the bearing pin 12 that is inserted in jointly among coping device axle sleeve 12a and the turning arm axle sleeve 12b.
Between coping device backboard 3a and turning arm 2, detent mechanism is set, detent mechanism is to be to be horizontally disposed with positioning cylinder 10 on turning arm 2, on the coping device backboard 3a of correspondence position coping device locating hole 11 is set, be inserted in the horizontal location that forms in the coping device locating hole 11 coping device 3 with the piston rod that stretches out in the positioning cylinder 10, the piston rod front end of positioning cylinder 10 fixedly installs taper pin rod 13, its pyramidal structure has guide effect, can guarantee reliable location.
The course of work:
When welding gun 1 needs reconditioning, the two poles of the earth of welding gun 1 are in open mode, control system control oscillating cylinder 5 makes its cylinder piston rod elongation, turning arm 2 drives coping device 3 and clockwise rotate 90 degree around rotating shaft 8 under the promotion of the cylinder piston rod of oscillating cylinder 5, subsequently, the cylinder piston rod elongation of control system control lock cylinder 9 in the cylinder piston rod insertion turning arm locating hole 7 with lock cylinder 9, has been fixed the X of coping device 3, the location, operating position of Y direction with this.
Subsequently, the cylinder piston boom elongation of control system control coping device positioning cylinder 10, taper pin rod 13 is inserted in the coping device locating hole 11, when taper pin rod 13 inserts in the coping device locating hole 11, make coping device 3 on coping device bearing pin 12, have the low-angle of the 3-5 degree of a suitable pointer to rotate by leverage, make that top electrode fits in rotating blade 4 and the welding gun 1 on the coping device 3, the top electrode of welding gun is fixed, bottom electrode can opening and closing, coping device 3-5 ° swing angle is to put the working position process from idle position and formation interference between the top electrode of welding gun in order to dodge coping device, at this moment, finish the Z direction location of coping device 3, the space orientation of coping device 3 is promptly finished.
Subsequently, control system control welding gun bottom electrode makes the two poles of the earth closure up and down, and starts the rotating blade 4 on the coping device 3, and Butt welding gun carries out reconditioning; After reconditioning finishes, open welding gun the two poles of the earth.Remove each to locking, the cylinder piston rod of control oscillating cylinder 5 shrinks, and coping device 3 is along with the rotation of turning arm 2 recovers on idle position, at this moment, the cylinder rod of controlling lock cylinder 9 once more stretches out, and makes its outside that is blocked in turning arm locating hole 7, locks idle position with this.
Claims (4)
1. the fixedly automatic coping device of welding gun electrode is welded on the line, it is characterized in that on the support (6) of welding gun (1), be Z to rotating shaft (8) is set, described rotating shaft (8) go up to be provided with rotating shaft (8) be center of rotation, the turning arm (2) that can in XOY plane, rotate, between described support (6) and turning arm (2), the oscillating cylinder (5) that turning arm is formed gusseted is set, the outside at described turning arm (2) fixedly installs coping device (3) by coping device backboard (3a), goes up at coping device (3) to be provided with by motor-driven rotating blade (4); Turning arm (2) under described oscillating cylinder (5) drives has two mode bits, and one is that the last rotating blade (4) of coping device (3) is in the working position between the welding gun anode and cathode; Another is to avoid coping device (3) Butt welding gun to form the idle position of interference.
2. the fixing automatic coping device of welding gun electrode on the line that is welded according to claim 1, two mode bits that it is characterized in that described turning arm (2) are provided with position locking mechanism, described position locking mechanism is to fixedly install Z to lock cylinder (9) on support (6), and turning arm locating hole (7) is set on the correspondence position of turning arm (2); Be inserted in locking working position in the turning arm locating hole (7) with the Z that stretches out to lock cylinder (9), be blocked in the idle position of outside locking of turning arm locating hole (7) with the Z that stretches out to lock cylinder (9).
3. the fixing automatic coping device of welding gun electrode on the line that is welded according to claim 1, it is characterized in that being level on the turning arm (2) of described coping device backboard (3a) and correspondence position coping device axle sleeve (12a) and turning arm axle sleeve (12b) are set respectively, described coping device (3) is to be suspended on the turning arm (2) by the bearing pin (12) that is inserted in jointly in coping device axle sleeve (12a) and the turning arm axle sleeve (12b).
4. the fixing automatic coping device of welding gun electrode on the line that is welded according to claim 3, it is characterized in that between described coping device backboard (3a) and turning arm (2), detent mechanism being set, described detent mechanism is to be to be horizontally disposed with positioning cylinder (10) on turning arm (2), on the coping device backboard (3a) of correspondence position coping device locating hole (11) is set, be inserted in the horizontal location that forms in the coping device locating hole (11) coping device (3) with the piston rod in the positioning cylinder (10) that stretches out, the front end of the piston rod of described positioning cylinder (10) is set with taper pin rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920292326 CN201573030U (en) | 2009-12-04 | 2009-12-04 | Automatic grinding device for electrodes of fixed welding gun on welding assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920292326 CN201573030U (en) | 2009-12-04 | 2009-12-04 | Automatic grinding device for electrodes of fixed welding gun on welding assembly line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201573030U true CN201573030U (en) | 2010-09-08 |
Family
ID=42692910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920292326 Expired - Fee Related CN201573030U (en) | 2009-12-04 | 2009-12-04 | Automatic grinding device for electrodes of fixed welding gun on welding assembly line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201573030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642110A (en) * | 2011-10-22 | 2012-08-22 | 浙江豪情汽车制造有限公司 | Electrode bruise repair equipment for welding |
| CN111069757A (en) * | 2019-12-31 | 2020-04-28 | 长沙长泰机器人有限公司 | Multifunctional welding gun and working method thereof |
-
2009
- 2009-12-04 CN CN 200920292326 patent/CN201573030U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642110A (en) * | 2011-10-22 | 2012-08-22 | 浙江豪情汽车制造有限公司 | Electrode bruise repair equipment for welding |
| CN111069757A (en) * | 2019-12-31 | 2020-04-28 | 长沙长泰机器人有限公司 | Multifunctional welding gun and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20171204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |