CN213224939U - Welding turnover mechanism for automatic welding intelligent robot - Google Patents
Welding turnover mechanism for automatic welding intelligent robot Download PDFInfo
- Publication number
- CN213224939U CN213224939U CN202021982312.4U CN202021982312U CN213224939U CN 213224939 U CN213224939 U CN 213224939U CN 202021982312 U CN202021982312 U CN 202021982312U CN 213224939 U CN213224939 U CN 213224939U
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- welding
- bearing
- reducing motor
- turnover
- plate
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- 230000007306 turnover Effects 0.000 title claims abstract description 46
- 238000003466 welding Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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Abstract
The utility model discloses an automatic welding intelligent robot is with welding tilting mechanism belongs to the industrial robot field. The overturning mechanism comprises a base assembly, an overturning assembly and a clamping assembly. The overturning assembly comprises a first speed reducing motor fixedly mounted on the portal frame and an overturning plate in transmission connection with the first speed reducing motor; the clamping assembly comprises a second speed reducing motor fixedly mounted at the opening end of the turnover plate, a ball screw connected with the second speed reducing motor, and a first clamping plate sleeved on the ball screw through a ball bearing. The utility model drives the ball screw to rotate through the second speed reducing motor, drives the first clamping plate to move horizontally, fixes the workpiece to be welded, and then drives the turnover plate to rotate along the first rotating shaft and the second rotating shaft through the cam divider of the first speed reducing motor, thereby realizing the turnover motion; because the precision of the cam divider and the ball screw is higher, the error accumulation is avoided, and the working precision of the turnover mechanism is improved.
Description
Technical Field
The utility model belongs to the industrial robot field, especially, welding tilting mechanism for automatic welding intelligent robot.
Background
The robot welding is a revolutionary progress of welding automation, breaks through a traditional rigid automation mode of welding, develops a new flexible automation mode, replaces personnel to directly engage in dangerous and harmful severe environments and heavy and repeated work, and improves the productivity. But therefore new requirements are placed on the welding equipment and auxiliary equipment.
However, the turnover mechanism in the prior art basically fixes the workpiece through two clamping pieces, and drives the workpiece to turn over by using two rotating mechanisms fixed on the two clamping pieces, but the existing clamping pieces and the rotating mechanisms are both actively driven rotating cylinders; because the pneumatic equipment not only has larger energy consumption in the using process, but also has limited motion precision and is easy to cause error accumulation, the pneumatic equipment can only be used for processing with general precision and is not suitable for a high-automation welding robot.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides an automatic welding intelligent robot is with welding tilting mechanism to solve the problem that relates in the background art.
The technical scheme is as follows: the utility model provides an automatic welding turnover mechanism for intelligent robot, includes: the base assembly, the overturning assembly and the clamping assembly.
The basic assembly comprises a portal frame and two groups of fixing frames fixedly arranged on the portal frame;
the overturning assembly comprises a first reducing motor fixedly arranged on the portal frame, a first rotating shaft which is in transmission connection with the first reducing motor through a belt or a chain and is sleeved on the fixing frame through a first bearing, a second rotating shaft which is sleeved on the fixing frame through a second bearing, and an overturning plate which is fixedly arranged between the first rotating shaft and the second rotating shaft and is shaped like U;
the clamping assembly comprises a second speed reducing motor fixedly installed at the opening end of the turnover plate, a ball screw which is connected with the second speed reducing motor through a belt or a chain in a transmission mode and is fixedly installed at the opening end of the turnover plate, linear guide columns which are arranged on two sides of the ball screw and are fixedly installed at the opening end of the turnover plate, a first clamping plate which is sleeved on the ball screw through a ball bearing and is sleeved on the linear guide columns through a third bearing, and a second clamping plate which is fixedly installed on one side of the turnover plate.
In a further embodiment, the first clamping plate and the second clamping plate have a fixture mounted thereon.
In a further embodiment, the fixing member is one of a fixing groove, a fixing nut, an electromagnet, or a vacuum chuck.
In a further embodiment, the first bearing and the second bearing are angular contact bearings.
In a further embodiment, the third bearing is a graphite oilless bushing.
In a further embodiment, a third bearing is connected to the cylindrical stop at both sides.
In a further embodiment, a limit stop screw and a hydraulic buffer are mounted on the roll-over plate at the fixed end of the ball screw.
In a further embodiment, a cam divider is mounted on the output shaft of the first reduction motor.
Has the advantages that: the utility model relates to a welding turnover mechanism for an automatic welding intelligent robot, which drives a ball screw to rotate through a second speed reducing motor, drives a first clamping plate to move horizontally to fix a workpiece to be welded, and then drives the turnover plate to rotate along a first rotating shaft and a second rotating shaft through a first speed reducing motor cam divider, so as to realize turnover motion; because the precision of the cam divider and the ball screw is higher, the error accumulation is avoided, and the working precision of the turnover mechanism is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
The reference signs are: the device comprises a portal frame 1, a fixed frame 2, a first speed reducing motor 3, a first bearing 4, a first rotating shaft 5, a second bearing 6, a second rotating shaft 7, a turnover plate 8, a second speed reducing motor 9, a ball screw 10, a linear guide post 11, a ball bearing 12, a third bearing 12, a first clamping plate 14, a second clamping plate 15, a cam divider 16 and a limiting piece 17.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
Referring to fig. 1 to 2, a welding turnover mechanism for an automatic welding intelligent robot includes: the device comprises a portal frame 1, a fixed frame 2, a first speed reducing motor 3, a first bearing 4, a first rotating shaft 5, a second bearing 6, a second rotating shaft 7, a turnover plate 8, a second speed reducing motor 9, a ball screw 10, a linear guide post 11, a ball bearing 12, a third bearing 12, a first clamping plate 14, a second clamping plate 15, a cam divider 16 and a limiting piece 17.
In the basic assembly, two groups of fixing frames 2 are fixedly arranged on the portal frame 1. In the turning assembly, a first reducing motor 3 is fixedly arranged on a portal frame 1, a first rotating shaft 5 which is in transmission connection with the first reducing motor 3 through a belt or a chain is sleeved on a fixing frame 2 through a first bearing 4, a second rotating shaft 7 is sleeved on the fixing frame 2 through a second bearing 6, and a turning plate 8 in a U shape is fixedly arranged between the first rotating shaft 5 and the second rotating shaft 7. In the clamping assembly, a second speed reducing motor 9 is fixedly installed at the opening end of the turnover plate 8, a ball screw 10 connected with the second speed reducing motor 9 through a belt or a chain is fixedly installed at the opening end of the turnover plate 8, linear guide posts 11 arranged at two sides of the ball screw 10 are fixedly installed at the opening end of the turnover plate 8, a first clamping plate 14 is sleeved on the ball screw 10 through a ball bearing 12 and sleeved on the linear guide posts 11 through a third bearing 12, and a second clamping plate 15 is fixedly installed at one side of the turnover plate 8.
In a further embodiment, the first clamping plate 14 and the second clamping plate 15 are provided with fixing elements. The mounting can be one of fixed recess, fixation nut, electro-magnet or vacuum chuck, does not do specific restriction here, plays clamping effect through first clamp and second clamp plate 15, then further spacing fixedly through the mounting, prevents at the rotatory in-process of upset, and the upset piece takes place to break away from in the motion process.
In a further embodiment, the first bearing 4 and the second bearing 6 are angular contact bearings. When the first speed reduction motor 3 drives the first rotating shaft 5 to rotate, the first bearing 4 and the second bearing 6 do not bear an axial acting force, but also bear a longitudinal acting force, and the angular contact ball bearing can bear radial load and axial load at the same time and can work at a higher rotating speed.
In a further embodiment, the third bearing 12 is a graphite oilless bushing. In the clamping assembly, the ball screw 10 converts the rotary motion into the linear motion, and the first bearing 4 and the second bearing 6 are subjected to a longitudinal acting force; in the turnover assembly, the linear guide rail is driven by the turnover plate 8 to rotate. The graphite oilless bush is a high-force brass bearing which takes graphite as lubrication and can be used for linear motion and rotary motion simultaneously.
In a further embodiment, the third bearing 12 is connected on both sides to cylindrical limit stops 17; and a limit limiting screw and a hydraulic buffer are arranged on the turnover plate 8 at the fixed end of the ball screw 10. In the process of repeated linear motion, the first clamping plate 14 collides with the turnover plate 8 and the second clamping plate 15 for a long time and damages the third bearing 12, so that rigid collision is avoided through buffering between the limiting part 17, the limit limiting screw and the hydraulic buffer.
In a further embodiment, a cam divider 16 is mounted on the output shaft of the first reduction motor 3. Continuous circular motion is converted into intermittent circular motion through the cam divider 16, on one hand, error accumulation is avoided, and the precision of the turnover mechanism is improved; on the other hand, the welding time provided for the welding robot is not required to pause the first reduction motor 3.
In order to facilitate understanding of the technical scheme of the welding turnover mechanism for the automatic welding intelligent robot, the working principle of the welding turnover mechanism is briefly explained: in a working state, the second speed reducing motor 9 drives the ball screw 10 to rotate, the rotation motion is converted into linear motion through the ball screw 10, the first clamping plate 14 is driven to move towards the second clamping plate 15, a workpiece to be welded is clamped, and the workpiece is further limited and fixed through a fixing piece; then the cam divider 16 of the first speed reducing motor 3 rotates to convert continuous circular motion into intermittent circular motion, and further drives the turnover plate 8 to rotate for a preset angle, the turnover plate 8 is paused, then the workpiece is welded through the welding robot, and after the welding is finished, the turnover plate 8 is continuously driven to rotate continuously for next processing.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
Claims (8)
1. The utility model provides an automatic welding tilting mechanism for intelligent robot which characterized in that includes:
the basic assembly comprises a portal frame and two groups of fixing frames fixedly arranged on the portal frame;
the overturning assembly comprises a first reducing motor fixedly arranged on the portal frame, a first rotating shaft which is in transmission connection with the first reducing motor through a belt or a chain and is sleeved on the fixing frame through a first bearing, a second rotating shaft which is sleeved on the fixing frame through a second bearing, and an overturning plate which is fixedly arranged between the first rotating shaft and the second rotating shaft and is shaped like U;
the clamping assembly comprises a second speed reducing motor fixedly installed at the opening end of the turnover plate, a ball screw which is connected with the second speed reducing motor through a belt or a chain in a transmission mode and is fixedly installed at the opening end of the turnover plate, linear guide columns which are arranged on two sides of the ball screw and are fixedly installed at the opening end of the turnover plate, a first clamping plate which is sleeved on the ball screw through a ball bearing and is sleeved on the linear guide columns through a third bearing, and a second clamping plate which is fixedly installed on one side of the turnover plate.
2. The welding turnover mechanism for the automatic welding intelligent robot as recited in claim 1, wherein a fixing member is mounted on said first clamping plate and said second clamping plate.
3. The welding turnover mechanism for the automatic welding intelligent robot of claim 2, wherein the fixing piece is one of a fixing groove, a fixing nut, an electromagnet or a vacuum chuck.
4. The welding turnover mechanism for the automatic welding intelligent robot of claim 1, wherein the first bearing and the second bearing are angular contact bearings.
5. The welding turnover mechanism for the automatic welding intelligent robot of claim 1, wherein the third bearing is a graphite oilless bushing.
6. The welding turnover mechanism for the automatic welding intelligent robot of claim 5, wherein the third bearing is connected with cylindrical stoppers at two sides.
7. The welding turnover mechanism for the automatic welding intelligent robot as recited in claim 1, wherein a limit screw and a hydraulic buffer are mounted on the turnover plate at the fixed end of the ball screw.
8. The welding turnover mechanism for the automatic welding intelligent robot as recited in claim 1, wherein a cam divider is mounted on an output shaft of said first reduction motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021982312.4U CN213224939U (en) | 2020-09-11 | 2020-09-11 | Welding turnover mechanism for automatic welding intelligent robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021982312.4U CN213224939U (en) | 2020-09-11 | 2020-09-11 | Welding turnover mechanism for automatic welding intelligent robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213224939U true CN213224939U (en) | 2021-05-18 |
Family
ID=75874501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021982312.4U Expired - Fee Related CN213224939U (en) | 2020-09-11 | 2020-09-11 | Welding turnover mechanism for automatic welding intelligent robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213224939U (en) |
-
2020
- 2020-09-11 CN CN202021982312.4U patent/CN213224939U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 |