CN103071956B - Welding gun head rotating device for rectangular coordinate system welding robot - Google Patents
Welding gun head rotating device for rectangular coordinate system welding robot Download PDFInfo
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- CN103071956B CN103071956B CN201310042600.XA CN201310042600A CN103071956B CN 103071956 B CN103071956 B CN 103071956B CN 201310042600 A CN201310042600 A CN 201310042600A CN 103071956 B CN103071956 B CN 103071956B
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- gun head
- welding gun
- arc welding
- welding
- electric rotating
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Abstract
The invention discloses a welding gun head rotating device for a rectangular coordinate system welding robot, capable of greatly reducing welding dead corners. The welding gun head rotating device comprises a welding work arm for supporting a welding gun head, wherein a welding gun hose is suspended along the welding work arm and connected with the welding gun head; and the welding gun head is connected with the welding work arm in the structure that a mounting sleeve is fixedly arranged on the welding gun hose at the upper part of the welding gun head in a sleeving way, the mounting sleeve is fixedly connected with an output shaft of a rotating motor by a connecting assembly, the rotating motor is arranged on a rotating motor base, a vertical connecting plate is arranged on the side edge of the rotating motor base and fixedly connected onto the welding work arm, and under the driving action of the rotating motor, the welding gun head can be driven by the mounting sleeve to rotate to and fro on the two sides of the vertical connecting plate along with the output shaft of the rotating motor.
Description
Technical field
The present invention relates to welding robot field.
Background technology
Industrial robot is a kind of multiduty, programmable automatic control operation device, is widely used in the every field of industrial automation.Welding robot is the one in industrial robot, and it is mainly used in replacing manually carrying out welding job.The welding robot mainly articulated type welding robot of current use, weld assembly is provided with in articulated type welding robot, weld assembly comprises: welding wire machine, and welding wire machine is connected with the gun hose for wearing welding wire, the head of gun hose is provided with arc welding gun head.By controller, motion control is carried out to the joint arm of articulated type welding robot, thus reach the object that manipulation arc welding gun head carries out welding job.In welding process, arc welding gun head needs to come back rotation thus meets the requirement of different welding positions or different Type of Welding.Arc welding gun head slewing equipment is provided with in articulated type welding robot, its structure comprises: gun hose is suspended from end joints along joint arm, makes the arc welding gun head of gun hose head be arranged on the below of the end joints of joint arm, end joints can carry out back rotation in a joint under the driving of drive motors on it, thus drives the arc welding gun head on it to come together back rotation.The arc welding gun head slewing equipment of said structure, its shortcoming is as follows: in order to avoid gun hose and joint arm are interfered mutually, and the angle of revolution of arc welding gun head can only be less than 180 °, thus causes welding dead angle very large, is usually all greater than 180 °.
Summary of the invention
The technical issues that need to address of the present invention are: provide a kind of arc welding gun head slewing equipment being applied to rectangular coordinate system welding robot that greatly can reduce to weld dead angle.
For solving the problem, the technical solution used in the present invention is: the arc welding gun head slewing equipment being applied to rectangular coordinate system welding robot, comprise gantry installation frame, comprise: for supporting the welding job arm of arc welding gun head, gun hose is hung along welding job arm sling and is connected with arc welding gun head, syndeton between arc welding gun head and welding job arm is: on the gun hose on arc welding gun head top, fixed cover is equipped with mounting sleeve, mounting sleeve is fixedly connected with the output shaft of electric rotating machine by coupling assembling, electric rotating machine is arranged on electric rotating support, the side of electric rotating support is provided with vertical connecting plate, described vertical connecting plate is fixedly connected on welding job arm, under the driving of electric rotating machine, mounting sleeve can drive arc welding gun head to carry out back rotation in the both sides of vertical connecting plate along with the output shaft of electric rotating machine.
Further, the aforesaid arc welding gun head slewing equipment being applied to rectangular coordinate system welding robot, wherein, the head of described arc welding gun head is provided with buffer spring.
Further, the aforesaid arc welding gun head slewing equipment being applied to rectangular coordinate system welding robot, wherein, the structure of described coupling assembling is: the sleeve pipe connecting plate of band supporting leg is fixedly connected with mounting sleeve, the supporting leg of sleeve pipe connecting plate is fixedly connected with rotary connection plate, in rotary connection plate, bolt is connected with and exempts from key axle bush, the output shaft of electric rotating machine with exempt from the swelling of key axle bush and be connected.
Further, the aforesaid arc welding gun head slewing equipment being applied to rectangular coordinate system welding robot, wherein, the body bottom portion of exempting from the collar on key axle bush is provided with to be convenient to dismantle the notch prized.
Accompanying drawing explanation
Fig. 1 is the structural representation being applied to the arc welding gun head slewing equipment of rectangular coordinate system welding robot of the present invention.
Fig. 2 is the syndeton schematic diagram of mounting sleeve and electric rotating machine in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram of part A in Fig. 1.
Fig. 4 is the welding revolution range schematic diagram that in Fig. 1, arc welding gun head looks up direction.
Detailed description of the invention
Below in conjunction with accompanying drawing and optimum embodiment, the present invention is described in further details.
As Fig. 1, Fig. 2, shown in Fig. 3, be applied to the arc welding gun head slewing equipment of rectangular coordinate system welding robot, in actual use procedure, welding job arm 6 is arranged in the slide type rail system in rectangular coordinate system welding robot in gantry installation frame 36, gun hose 9 hangs along welding job arm 6 and is connected with arc welding gun head 8, syndeton between arc welding gun head 8 and welding job arm 6 is: on the gun hose 9 on arc welding gun head 8 top, fixed cover is equipped with mounting sleeve 10, mounting sleeve 10 is fixedly connected with the sleeve pipe connecting plate 42 of band supporting leg, on the supporting leg of sleeve pipe connecting plate 42, level is fixedly connected with rotary connection plate 41, in rotary connection plate 41, bolt is connected with and exempts from key axle bush, the output shaft of electric rotating machine 11 with exempt from the swelling of key axle bush and be connected.Exempt from the one that key axle bush is shaft coupling, be applicable to requirement for bearing capacity high, move back and forth frequently in syndeton, exempt from key axle bush primary structure and comprise: expansion set, is set with the collar outside expansion set.During use, expansion set distinguishes swelling by mode and the axle of friction swelling and the collar, thus reaches the object be fixedly connected with axle.In the present embodiment, for the ease of dismounting, the body bottom portion of exempting from the collar 40 of key axle bush is provided with notch 401, during dismounting, utilizes the instruments such as straight screwdriver to stretch into notch 401, just the collar 40 can be prized from the expansion set 43 of exempting from key axle bush.Electric rotating machine 11 is arranged on electric rotating support 44, electric rotating machine 11 is fixedly connected with welding job arm 6 by vertical connecting plate 45, under the driving of electric rotating machine 11, mounting sleeve 10 can drive arc welding gun head 8 to carry out back rotation in the both sides of vertical connecting plate 45 along with the output shaft of electric rotating machine 11.In order to prevent arc welding gun head 8 in welding process and between workbench or workpiece, direct collision occur, the bottom of arc welding gun head 8 be provided with buffer spring 46, like this can available protecting arc welding gun head 8, avoid arc welding gun head 8 to be damaged in collision process.
Operation principle is as follows: when carrying out rotating welding, start electric rotating machine 11, the output shaft driven rotary connecting plate 41 of electric rotating machine 11 rotates, thus drive and rotating together with the mounting sleeve 10 that is fixedly connected with of rotary connection plate 41, thus arc welding gun head 8 is made to carry out back rotation in the both sides of vertical connecting plate 45 along with the output shaft of electric rotating machine 11.As shown in Figure 4, the pivotal angular range of arc welding gun head 8 to be conflicted the opposite side of vertical connecting plate 45 of conflicting at the side of vertical connecting plate 45 to mounting sleeve 10 from mounting sleeve 10, angle of revolution is considerably beyond 180 °, its welding dead angle can be controlled to 45 °, substantially reduce welding dead angle like this, thus better, more easily can complete welding job.
Claims (3)
1. be applied to the arc welding gun head slewing equipment of rectangular coordinate system welding robot, comprise gantry installation frame, comprise: for supporting the welding job arm of arc welding gun head, gun hose is hung along welding job arm sling and is connected with arc welding gun head, it is characterized in that: the syndeton between arc welding gun head and welding job arm is: on the gun hose on arc welding gun head top, fixed cover is equipped with mounting sleeve, mounting sleeve is fixedly connected with the output shaft of electric rotating machine by coupling assembling, electric rotating machine is arranged on electric rotating support, the side of electric rotating support is provided with vertical connecting plate, described vertical connecting plate is fixedly connected on welding job arm, under the driving of electric rotating machine, mounting sleeve can drive arc welding gun head to carry out back rotation in the both sides of vertical connecting plate along with the output shaft of electric rotating machine, the head of described arc welding gun head is provided with buffer spring.
2. the arc welding gun head slewing equipment being applied to rectangular coordinate system welding robot according to claim 1, it is characterized in that: the structure of described coupling assembling is: the sleeve pipe connecting plate of band supporting leg is fixedly connected with mounting sleeve, the supporting leg of sleeve pipe connecting plate is fixedly connected with rotary connection plate, in rotary connection plate, bolt is connected with and exempts from key axle bush, the output shaft of electric rotating machine with exempt from the swelling of key axle bush and be connected.
3. the arc welding gun head slewing equipment being applied to rectangular coordinate system welding robot according to claim 2, is characterized in that: the body bottom portion of exempting from the collar on key axle bush is provided with to be convenient to dismantle the notch prized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042600.XA CN103071956B (en) | 2013-02-04 | 2013-02-04 | Welding gun head rotating device for rectangular coordinate system welding robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042600.XA CN103071956B (en) | 2013-02-04 | 2013-02-04 | Welding gun head rotating device for rectangular coordinate system welding robot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103071956A CN103071956A (en) | 2013-05-01 |
| CN103071956B true CN103071956B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310042600.XA Active CN103071956B (en) | 2013-02-04 | 2013-02-04 | Welding gun head rotating device for rectangular coordinate system welding robot |
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| CN (1) | CN103071956B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521968A (en) * | 2013-10-23 | 2014-01-22 | 台州吉宇工业机器人科技有限公司 | Gun barrel turning mechanism applied to rectangular coordinate system welding robot |
| CN103495798B (en) * | 2013-10-23 | 2017-03-01 | 台州吉宇工业机器人科技有限公司 | A kind of gun barrel device being applied to rectangular coordinate system welding robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811297B2 (en) * | 1986-01-16 | 1996-02-07 | 株式会社日立製作所 | Welding torch position control method |
| JP4859386B2 (en) * | 2005-04-20 | 2012-01-25 | 株式会社小松製作所 | Arc welding apparatus and weaving welding method for arc welding apparatus |
| CN101468428A (en) * | 2007-12-29 | 2009-07-01 | 中国科学院力学研究所 | Laser processing system of closed curve |
| JP2011067893A (en) * | 2009-09-25 | 2011-04-07 | Daihen Corp | Installing structure of wire feeding device in welding robot |
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Effective date of registration: 20191126 Address after: 215622 Changfeng Village, Leyu Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Yongfa medical equipment Polytron Technologies Inc Address before: Chang Feng Cun Le Yu town Zhangjiagang city Suzhou city Jiangsu province 215622 Zhangjiagang Yongfa Robot Technology Co Ltd Patentee before: Zhangjiagang Yongfa Robot Technology Co., Ltd. |