CN210806265U - Robot welding ground protection structure - Google Patents
Robot welding ground protection structure Download PDFInfo
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- CN210806265U CN210806265U CN201922362893.5U CN201922362893U CN210806265U CN 210806265 U CN210806265 U CN 210806265U CN 201922362893 U CN201922362893 U CN 201922362893U CN 210806265 U CN210806265 U CN 210806265U
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- carbon brush
- bottom plate
- bearing
- location axle
- positioner
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Abstract
The utility model relates to a robot welding ground protection structure, including positioner frock bottom plate and slewing bearing, slewing bearing includes supporting inner circle, supporting outer lane and rolling element, and the supporting outer lane is connected with positioner frock bottom plate, and the supporting inner circle is installed on the fixed bolster, still includes the location axle, is equipped with the locating hole that is used for the location axle to pass on the fixed bolster, is equipped with the bearing between location axle and the locating hole, and the symmetry is equipped with two carbon brushes on the fixed bolster, and the one end and the positioner frock bottom plate of location axle are connected, the other end pass the locating hole with the carbon brush contact, the supporting outer lane rotates under power unit's drive. The utility model discloses simple structure, simple to operate, it is with low costs, carbon brush and location axle keep the contact state, guaranteed that carbon brush and positioner frock bottom plate contact well carry out ground connection to the positioner and handle, guaranteed welding quality, improved welding efficiency, realize welding automation.
Description
Technical Field
The utility model relates to a welding ground protection structure of robot belongs to the robot and welds dress technical field.
Background
Along with the complication of each spare part in the manufacturing industry, the welding of automation and intelligent robot is also more and more extensive in the manufacturing industry, and the machine of shifting is essential important equipment in the welding of automation robot, and machine of shifting frock bottom plate is connected with slewing bearing outer lane, and slewing bearing's bearing outer lane rotates, and slewing bearing's bearing inner circle fixed mounting because can produce very big electric current so need carry out ground connection to the machine of shifting when the robot welds, need carry out the power part simultaneously and insulate. The common mode is that a ground wire is directly connected to the positioner, and in the welding process, the positioner rotates to cause the ground wire to be wound on the positioner or interfere with a welding gun on a workpiece, so that the welding efficiency is influenced. The current can be transmitted to the ground wire of a specific device through the carbon brush, the carbon brush is in contact with the rotating part of the slewing bearing, if the outer ring of the slewing bearing rotates, the carbon brush is installed at a position where the carbon brush can be in contact with the outer ring of the slewing bearing, but due to the self reasons of the structures of the inner ring and the outer ring of the slewing bearing, the central angle of the slewing bearing can deviate to a certain degree, when the outer ring of the slewing bearing deviates, the carbon brush cannot be in contact with the rotating part of the slewing bearing, the problem of poor contact between the carbon brush and a tooling bottom plate of the positioner can occur, and the carbon brush or a cable or.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists provides a simple structure, and the carbon brush contacts well with the machine of shifting, guarantees welding quality's robot welding ground protection structure.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a robot welding ground protection structure, includes machine of shifting frock bottom plate and slewing bearing, slewing bearing includes supporting inner circle, supporting outer lane and is located a plurality of rolling elements between supporting inner circle and the supporting outer lane, the supporting outer lane with machine of shifting frock bottom plate is connected, the supporting inner circle is installed on the fixed bolster, still includes the location axle, be equipped with on the fixed bolster and be used for the locating hole that the location axle passed, the location axle with be equipped with the bearing between the locating hole, the symmetry is equipped with two carbon brushes on the fixed bolster, the one end of location axle with machine of shifting frock bottom plate is connected, and the other end passes the locating hole with the carbon brush contact, the supporting outer lane rotates under power unit's drive.
The utility model has the advantages that: the positioning shaft is arranged on the tooling bottom plate of the positioner, the mounted positioning shaft is coaxial with the bearing outer ring of the slewing bearing, the outer cylindrical surface of the positioning shaft is in contact with the two sets of carbon brushes after being matched with the bearing, the bearing is arranged in the positioning hole of the fixing support, the bearing is ensured to be coaxial with the bearing inner ring of the slewing bearing, the supporting strength of the positioning shaft is high, the slewing bearing can be assisted to support the tooling bottom plate of the positioner, the deviation of the central angle of the slewing bearing is also avoided, and the positioning shaft and the slewing bearing can be used for avoiding bad contact between the positioning shaft and the carbon brushes due to double support of the positioning shaft. In a word, the utility model discloses simple structure, simple to operate, it is with low costs, carbon brush and location axle keep the contact state, have guaranteed that carbon brush and positioner frock bottom plate contact well carry out ground connection to the positioner and have handled, have guaranteed welding quality, have improved welding efficiency, realize welding automation.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the carbon brush includes carbon brush body, carbon brush support, fastening nut, spring and adjusting bolt, be equipped with the wiring hole that is used for welding power ground wire to connect on the carbon brush body, it is right to be equipped with on the carbon brush support be used for the spacing spout of carbon brush body, the carbon brush support passes through the bolt and installs on the fixed bolster, be equipped with on the carbon brush support and be used for the installation adjusting bolt's mounting hole, fastening nut installs on the carbon brush body, adjusting bolt passes the mounting hole with fastening nut connects, the spring suit is in between carbon brush support and the fastening nut on the adjusting bolt.
The beneficial effect who adopts above-mentioned further scheme is that, spring one end contact carbon brush support, and the other end exerts pressure towards the carbon brush body, guarantees that the carbon brush body contacts the surface of location axle all the time, avoids the carbon brush because the condition of wearing and tearing and location axle contact failure to appear.
Furthermore, the positioning shaft comprises a shaft seat, and the shaft seat is connected with the tooling bottom plate of the positioner through a bolt.
The beneficial effect who adopts above-mentioned further scheme is, realizes the installation of location axle and quick-witted frock bottom plate of shifting through the axle bed, easy dismounting, the maintenance of being convenient for.
Furthermore, the positioning shaft is provided with an annular step for positioning the bearing.
The beneficial effect of adopting above-mentioned further scheme is, realizes the stable location of bearing and location axle.
Furthermore, the supporting outer ring and the supporting inner ring are respectively connected with the positioner tooling bottom plate and the fixing support through bolts.
The beneficial effect of adopting the above-mentioned further scheme is that, it is convenient to connect, the subsequent maintenance of being convenient for.
Furthermore, the power mechanism comprises a servo motor and a transmission gear, the servo motor is installed on the fixed support, the transmission gear is installed on an output shaft of the servo motor, and the transmission gear is meshed with the outer ring of the support.
The outer side of the supporting outer ring is provided with an outer cylindrical straight gear matched with the transmission gear, the supporting outer ring rotates under the action of the power mechanism, the positioner tooling bottom plate connected with the supporting outer ring moves, and a welded part and a tooling thereof are arranged on the positioner tooling bottom plate, so that automatic welding of the welded part is realized.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a left side view structure diagram of the present invention;
fig. 3 is a schematic structural view of the carbon brush of the present invention;
in the figure, 1, a tooling bottom plate of a positioner; 2. a slewing bearing; 21. a support inner ring; 22. a support outer ring; 23. a rolling body; 3. positioning the shaft; 31. a shaft seat; 32. an annular step; 4. fixing a bracket; 5. a bearing; 6. a carbon brush; 61. a carbon brush body; 62. a carbon brush holder; 63. fastening a nut; 64. a spring; 65. Adjusting the bolt; 66. a wiring hole; 67. a chute; 7. a servo motor; 8. a transmission gear.
Detailed Description
The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, a robot welding ground protection structure includes a positioner tooling bottom plate 1 and a slewing bearing 2, the slewing bearing 2 includes a bearing inner ring 21, a bearing outer ring 22 and a plurality of rolling elements 23 located between the bearing inner ring and the bearing outer ring, the bearing outer ring is connected with the positioner tooling bottom plate, the bearing inner ring is installed on a fixing support 4, the robot welding ground protection structure further includes a positioning shaft 3, a positioning hole is formed in the fixing support and used for the positioning shaft to pass through, a bearing 5 is arranged between the positioning shaft and the positioning hole, two carbon brushes 6 are symmetrically arranged on the fixing support, one end of the positioning shaft is connected with the positioner tooling bottom plate, the other end of the positioning shaft passes through the positioning hole and contacts with the two carbon brushes, and the bearing outer ring rotates under the driving of a power mechanism. The bearing can adopt a deep groove bearing.
The carbon brush includes carbon brush body 61, carbon brush support 62, fastening nut 63, spring 64 and adjusting bolt 65, be equipped with the wiring hole 66 that is used for welding power ground wire to connect on the carbon brush body, it is right to be equipped with on the carbon brush support be used for the spacing spout 67 of carbon brush body, the carbon brush support passes through the bolt and installs on the fixed bolster, be equipped with on the carbon brush support and be used for the installation adjusting bolt's mounting hole, fastening nut installs on the carbon brush body, adjusting bolt passes the mounting hole with fastening nut connects, the spring suit is in between carbon brush support and the fastening nut on the adjusting bolt. One end of the spring is in contact with the carbon brush support, and the other end of the spring acts on the fastening nut to apply pressure to the carbon brush body, so that the carbon brush body is guaranteed to be in contact with the outer surface of the positioning shaft all the time, and the situation that the carbon brush is in poor contact with the positioning shaft due to abrasion is avoided.
The positioning shaft 3 comprises a shaft seat 31, and the shaft seat is connected with the tooling bottom plate of the positioner through a bolt. The installation of location axle and quick-witted frock bottom plate of shifting is realized through the axle bed, easy dismounting, the maintenance of being convenient for.
The positioning shaft is provided with an annular step 32 for positioning the bearing. And stable positioning of the bearing and the positioning shaft is realized.
And the supporting outer ring and the supporting inner ring are respectively connected with the positioner tooling bottom plate and the fixed support through bolts. And the subsequent maintenance is convenient.
The power mechanism comprises a servo motor 7 and a transmission gear 8, the servo motor is installed on the fixed support, the transmission gear is installed on an output shaft of the servo motor, and the transmission gear is meshed with the outer ring of the support. The outer side of the supporting outer ring is provided with an outer cylindrical straight gear matched with the transmission gear, the supporting outer ring rotates under the action of the power mechanism, the positioner tool bottom plate connected with the supporting outer ring moves, and a welded part and a tool thereof are arranged on the positioner tool bottom plate, so that automatic welding of the welded part is realized.
The positioning shaft is arranged on a tooling bottom plate of the positioner, the mounted positioning shaft is coaxial with a supporting outer ring of the slewing bearing, an outer cylindrical surface of the positioning shaft is in contact with the two sets of carbon brushes after being matched with the bearing, and the bearing is arranged in the positioning hole of the fixed support, so that the bearing is ensured to be coaxial with the supporting inner ring of the slewing bearing, and the positioning shaft is prevented from being in poor contact with the carbon brushes. The carbon brush keeps a contact state with the positioning shaft, so that the carbon brush is guaranteed to be in good contact with a tooling bottom plate of the positioner to carry out grounding treatment on the positioner, the welding quality is guaranteed, the welding efficiency is improved, and the welding automation is realized.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a robot welding ground protection structure, includes machine of shifting frock bottom plate and slewing bearing, slewing bearing includes supporting inner circle, supporting outer lane and is located a plurality of rolling elements between supporting inner circle and the supporting outer lane, the supporting outer lane with machine of shifting frock bottom plate is connected, the supporting inner circle is installed on the fixed bolster, its characterized in that still includes the location axle, be equipped with on the fixed bolster and be used for the locating hole that the location axle passed, be equipped with the bearing between location axle and the locating hole, the symmetry is equipped with two carbon brushes on the fixed bolster, the one end of location axle with machine of shifting frock bottom plate is connected, and the other end passes the locating hole with the carbon brush contact, the supporting outer lane rotates under power unit's drive.
2. The robot welding ground protection structure of claim 1, wherein the carbon brush includes a carbon brush body, a carbon brush support, a fastening nut, a spring and an adjusting bolt, a wiring hole for connecting a welding power ground wire is formed in the carbon brush body, a sliding groove for limiting the carbon brush body is formed in the carbon brush support, the carbon brush support is mounted on the fixing support, the fastening nut is mounted on the carbon brush body, the adjusting bolt penetrates through a mounting hole in the carbon brush support to be connected with the fastening nut, and the spring is sleeved on the adjusting bolt.
3. The robot welding ground protection architecture of claim 1 or 2, characterized in that the positioning shaft comprises a shaft seat, and the shaft seat is connected with the positioner tooling bottom plate through a bolt.
4. The robot welding ground protection architecture of claim 1, wherein an annular step is provided on the locating shaft for locating the bearing.
5. The robot welding ground protection structure of claim 1, characterized in that the outer bearing ring and the inner bearing ring are respectively connected with the positioner tooling bottom plate and the fixed support through bolts.
6. The robot welding ground protection architecture of claim 1, wherein the power mechanism comprises a servo motor and a transmission gear, the servo motor is mounted on the fixed bracket, the transmission gear is mounted on an output shaft of the servo motor, and the transmission gear is engaged with the support outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362893.5U CN210806265U (en) | 2019-12-25 | 2019-12-25 | Robot welding ground protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362893.5U CN210806265U (en) | 2019-12-25 | 2019-12-25 | Robot welding ground protection structure |
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| Publication Number | Publication Date |
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| CN210806265U true CN210806265U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922362893.5U Active CN210806265U (en) | 2019-12-25 | 2019-12-25 | Robot welding ground protection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756740A (en) * | 2021-01-28 | 2021-05-07 | 江苏鹏飞集团股份有限公司 | On-line surfacing device for grinding roller of vertical mill |
-
2019
- 2019-12-25 CN CN201922362893.5U patent/CN210806265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756740A (en) * | 2021-01-28 | 2021-05-07 | 江苏鹏飞集团股份有限公司 | On-line surfacing device for grinding roller of vertical mill |
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