CN109807521B - Positioning and clamping tool for rotary table of robot welding crane - Google Patents
Positioning and clamping tool for rotary table of robot welding crane Download PDFInfo
- Publication number
- CN109807521B CN109807521B CN201711158683.3A CN201711158683A CN109807521B CN 109807521 B CN109807521 B CN 109807521B CN 201711158683 A CN201711158683 A CN 201711158683A CN 109807521 B CN109807521 B CN 109807521B
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- rotary table
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- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000003825 pressing Methods 0.000 claims description 65
- 230000007246 mechanism Effects 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The invention provides a positioning and clamping tool for a rotary table of a robot welding crane, which aims to solve the problem that the clamping and positioning mode in the prior art is low in repeated positioning precision and cannot meet the welding requirement of the robot. The positioning and clamping tool for the robot welding crane rotary table comprises a positioning platform, wherein at least two positioning structures which are used for enabling round holes of the crane rotary table to correspond to the sleeving are arranged on the positioning platform, each positioning structure comprises a positioning seat, at least two telescopic positioning pieces which are arranged along the circumferential direction at even intervals and can radially extend out of the positioning seats are arranged on the positioning seats, and the positioning structures further comprise driving pieces which are arranged on the positioning seats and can drive the telescopic positioning pieces to extend out of the same length and then to be matched with the jack wall of the round holes in a jacking mode so as to. The circular hole on the rotary table of the crane is utilized, the position of the rotary table of the crane can be positioned through the driving piece and the telescopic positioning piece, and the precision of repeated positioning is also ensured.
Description
Technical Field
The invention relates to a positioning and clamping tool for a rotary table of a robot welding crane.
Background
With the development of science and technology and the progress of society, in the field of mechanical intelligent manufacturing, more and more workpiece welding operations are gradually replaced by manual operation by robots, so that the welding quality and the production efficiency are improved, and the labor intensity of workers is reduced. The crane rotary table needs to be positioned before manual welding and robot welding. The clamping and positioning mode during manual welding is to manually mark by using a positioning sample plate and then perform assembly, installation and welding. Mostly be batch welding for the robot welding, if still adopt the clamping locate mode of artifical marking off, can have following problem: 1. when repeated positioning is carried out for multiple times, the consistency of clamping and positioning cannot be ensured, and the precision of repeated clamping and positioning for multiple times is poor; 2. the speed of manual clamping and positioning is low, and the efficiency is low. Therefore, the manual scribing, clamping and positioning mode is not matched with the robot welding, and the programming trial teaching and welding operation efficiency of the welding robot can be influenced.
Disclosure of Invention
The invention aims to provide a positioning and clamping tool for a rotary table of a robot welding crane, which aims to solve the problem that the clamping and positioning mode in the prior art is low in repeated positioning precision and cannot meet the welding requirement of a robot.
In order to achieve the aim, the technical scheme of the positioning and clamping tool for the rotary table of the robot welding crane is as follows: the utility model provides a robot welding hoist is location clamping frock for revolving platform, includes locating platform, the last location structure that two at least round holes that supply the hoist revolving platform correspond the suit that is equipped with of locating platform, location structure includes the positioning seat, be equipped with two at least flexible setting elements that follow the even interval arrangement of circumference and can radially stretch out by the positioning seat on the positioning seat, location structure still including locating on the positioning seat and can drive each flexible setting element stretch out after the same length with the driving piece of the pore wall roof pressure cooperation of round hole in order to fix a position the hoist revolving platform.
The invention has the beneficial effects that: the positioning and clamping tool for the rotary table of the robot welding crane comprises a positioning platform, wherein a plurality of positioning structures are arranged on the positioning platform and can be inserted into round holes in a bottom plate of the rotary table of the crane, each positioning structure comprises a positioning seat, and at least two telescopic positioning pieces are arranged on the positioning seats. When the telescopic positioning device is used, the driving piece drives each telescopic positioning piece to extend out by the same length, and the telescopic positioning pieces are in top pressing fit with the corresponding hole walls of the round holes, so that the rotary table of the crane can be positioned and installed on the positioning platform. According to the invention, the circular hole on the crane rotary table is utilized, the position of the crane rotary table can be adjusted through the driving piece and the telescopic positioning piece, scribing, positioning and assembling are not needed, the efficiency of positioning and clamping is improved, the positioning of the crane rotary table is realized by the blocking action between the telescopic positioning piece and the hole wall of the circular hole, the precision during each positioning can be ensured, and the consistency of each positioning is ensured. And the radial extension distance of the telescopic positioning piece is adjustable, so that the telescopic positioning piece can be suitable for crane rotary tables of different specifications and sizes.
Furthermore, the driving part is an axial pressing part capable of axially guiding and moving along the positioning seat, and a redirection inclined plane is arranged between the axial pressing part and the telescopic positioning part so as to push each telescopic positioning part to radially extend out when the axial pressing part moves downwards.
Furthermore, the positioning seat is provided with at least two radial long holes which are uniformly arranged along the circumferential direction at intervals, the telescopic positioning piece is guided and moved in the radial long holes, and the telescopic positioning piece is detachably assembled in the radial long holes.
Furthermore, the axial pressing piece comprises a bolt and a circular pressing block, the bolt is screwed on the positioning seat in a threaded mode, the circular pressing block is fixedly arranged on the bolt, the bend-changing inclined plane is arranged on the radial inner end of the telescopic positioning piece, and the inclination direction of the bend-changing inclined plane extends from top to bottom and inclines towards the direction of the axis of the positioning seat.
Furthermore, a mounting groove is formed in the positioning platform, and the positioning seat is sunk into the mounting groove.
Furthermore, the axial pressing piece comprises a bolt and a circular pressing block, the bolt is screwed on the positioning seat in a threaded mode, the circular pressing block is fixedly arranged on the bolt, the direction-changing inclined plane is arranged at the lower end of the circular pressing block, and the inclined direction of the direction-changing inclined plane extends from top to bottom and inclines towards the direction of the axis of the positioning seat.
Furthermore, the positioning and clamping tool further comprises a plurality of pressing mechanisms used for positioning and pressing the rotary table of the crane, each pressing mechanism comprises a fixed seat, and a pressing piece used for pressing the edge of the upper end face of the rotary table of the crane is arranged on each fixed seat.
Furthermore, the pressing piece comprises a bolt arranged on the fixed seat and a pressing plate sleeved outside the bolt and capable of being pressed on the rotary table of the crane by the bolt.
Furthermore, the pressing plate is provided with a long hole for the bolt to penetrate through so as to realize the adjustable assembly of the position of the pressing plate.
Furthermore, a mounting groove is formed in the positioning platform, and the fixing seat is sunk into the mounting groove.
Drawings
FIG. 1 is a schematic view of a positioning and clamping tool for a rotary table of a robot welding crane provided by the invention in use;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of the positioning structure of FIG. 2;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a bottom view of fig. 3.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
According to the specific embodiment of the positioning and clamping tool for the rotary table of the robot welding crane, as shown in fig. 1 to 5, the positioning and clamping tool for the rotary table of the robot welding crane comprises a positioning platform 2, when the positioning platform 2 is used, the positioning platform 2 is installed on an L-shaped positioner rotary table 3 of a robot, the positioning platform 2 needs to be milled in advance, a plurality of circular grooves are machined in the positioning platform 2, and threaded holes are formed in the bottoms of the circular grooves.
And a positioning structure 4 is arranged in the circular groove, and can play a positioning role in the revolving platform 1 of the crane. And a compression structure is also arranged in the circular groove, and the crane rotary table 1 is compressed after being positioned by the positioning structure 4.
The positioning structure 4 includes a positioning seat 41, a connecting hole is provided on the positioning seat 41, and the positioning seat 41 is fixedly mounted on the bottom of the circular groove by a bolt or other connecting member. An axial threaded hole is formed in the positioning seat 41, a positioning structure bolt 42 penetrates through the threaded hole, a pressing block 43 is fixedly mounted on the positioning structure bolt 42, and the pressing block 43 can be driven to move downwards through the rotation of the positioning structure bolt 42. The positioning seat 41 is further provided with three radial long holes which are uniformly arranged along the circumferential direction of the positioning seat at intervals, clamping jaws 44 are arranged in the radial long holes, threaded holes are formed in the lower end faces of the clamping jaws 44, the clamping jaws 44 are movably assembled in the radial long holes through gaskets 45 and inner hexagon bolts 46, and the clamping jaws 44 can move along the radial direction under the action of external force. Wherein, the inner end of the claw 44 is provided with an inclined plane, and the inclined direction of the inclined plane is from top to bottom extending and inclined toward the direction of the axis of the positioning seat 41. When the pressing block 43 moves downwards, the edge of the lower end face of the pressing block 43 is in abutting fit with the inclined face on the claw 44, the downward movement of the pressing block 43 can be converted into the radial movement of the claw 44, and the claw 44 extends out of the positioning seat 41 along the radial direction and is abutted against the wall of the circular hole on the rotary table of the crane.
In this embodiment, the upper end surface of the positioning seat 41 is 1-2mm lower than the upper end surface of the positioning platform 2, and the positioning structure bolt 42, the pressing block 43 and the clamping jaws 44 can be detachably connected to the positioning seat 41. A plurality of positioning structures 4 are arranged on the positioning platform 2, and the corresponding positioning structures 4 can be selected according to the positions of the round holes on the rotary table 1 of the crane for positioning. At this time, other positioning structures 4 which do not correspond to the circular holes on the crane turret 1 need to be removed, so as to avoid interference on placement of the crane turret 1. At this time, the positioning structure bolts 42, the pressing blocks 43 and the clamping jaws 44 in the positioning structures 4 which do not correspond to each other need to be removed, and the positioning seats 41 do not need to be removed because the positioning seats 41 are 1-2mm lower than the upper end surfaces of the positioning platforms 2. When the positioning structure bolt 42, the pressing block 43 and the clamping jaws 44 are needed to be used again, the positioning structure bolt, the pressing block 43 and the clamping jaws 44 are needed to be installed again, and the installation and the disassembly processes are simple and convenient.
Still be provided with in the circular recess on positioning platform 2 and press the compact structure, the compact structure is including the fixing base 6 of the circular recess of embedding into, and the screw thread is installed on fixing base 6 and is pressed the structure bolt 5, is provided with movable clamp plate 7 between pressing the structure bolt 5 and fixing base 6, has seted up the slot hole on the movable clamp plate 7, and the structure bolt 5 of compressing tightly wears to adorn in the slot hole. When the pressing structure bolt 5 rotates, the movable pressing plate 7 can be pressed on the edge of the upper end face of the crane rotary table 1, and the crane rotary table 1 is pressed on the positioning platform 2. The long holes are formed in the movable pressing plate 7, so that the position of the movable pressing plate 7 can be adjusted, the application range of the movable pressing plate is expanded, and the movable pressing plate can adapt to crane rotary tables with different sizes. In this embodiment, the upper end surface of the fixing seat 6 is 1-2mm lower than the upper end surface of the positioning platform, and the arrangement mode and the beneficial effect thereof are consistent with those of the positioning structure 4.
The using process of the invention is as follows: during initial installation, a positioning structure bolt 42, a pressing block 43 and a clamping jaw 44 on a positioning structure 4 of a circular hole of a rotary table 1 of the crane are assembled on a positioning seat 41, the clamping jaw 4 retracts to the positioning seat 41 along the radial direction, the rotary table 1 of the crane is placed on a positioning platform 2, the circular hole at the bottom of the rotary table 1 of the crane is correspondingly sleeved outside the corresponding positioning structure 4, then the positioning structure bolt 42 is screwed by a pneumatic wrench, the positioning structure bolt 42 drives the pressing block 43 to move downwards, the clamping jaw 44 is pushed outwards along the radial direction in the downward movement process, a plurality of clamping jaws 44 extend out of the same length of the positioning seat 41, and the clamping jaw 44 extends out of the positioning seat 41 until the radial outer end of the clamping jaw 44 is in abutting fit with the circular hole at the bottom of the rotary table. At this time, the crane turret 1 is positioned and mounted on the positioning platform and does not move on a horizontal plane. After the positioning is finished, the position of the movable pressing plate 7 is adjusted, so that the movable pressing plate 7 can downwards press the rotary table 1 of the crane, and then the movable pressing plate 7 is tightly assembled on the rotary table 1 of the crane by using the pressing structure bolts 5. Through location structure 4 and compact structure, can fix a position the clamping on location platform 2 with hoist revolving platform 1.
Because the clamping jaw 44 can move in the radial direction, the radial extension length of the clamping jaw 44 can be controlled by controlling the downward moving distance of the pressing block 43, and the clamping jaw can be further suitable for round holes of different crane rotary tables. In addition, the position of the movable pressing plate 7 can be adjusted, and the device can be suitable for the pressing of different crane turntables.
In this embodiment, the jack catch is flexible setting element promptly, and the quantity of flexible setting element is three and along the even interval arrangement of circumference, in other embodiments, the quantity of flexible setting element can increase and decrease according to actual conditions. When the number of the telescopic positioning pieces is two, the end parts of the telescopic positioning pieces are designed into arc shapes with larger sizes so as to realize the jacking fit with the hole walls of the round holes. In this embodiment, the pressing block is a circular pressing block, and the positioning structure bolt 42 and the circular pressing block constitute an axial pressing member and a driving member. In other embodiments, the driving member may have other structures, such as a pneumatic cylinder to push the telescopic positioning member to extend, and the extension amount of each pneumatic cylinder is controlled.
In this embodiment, the inclined plane on the claw constitutes the redirection inclined plane, and in other embodiments, the redirection inclined plane may be disposed on the driving member, or both the telescopic positioning member and the driving member may be disposed with redirection inclined planes. The direction of the redirection inclined plane is from top to bottom and is obliquely arranged towards the axis of the positioning seat.
Claims (8)
1. The utility model provides a robot welding hoist is location clamping frock for revolving platform which characterized in that: the positioning structure comprises a positioning platform, at least two positioning structures which are used for correspondingly sleeving round holes of a rotary table of the crane are arranged on the positioning platform, each positioning structure comprises a positioning seat, at least two telescopic positioning pieces which are uniformly arranged at intervals along the circumferential direction and can radially extend out from the positioning seat are arranged on the positioning seat, the positioning structure also comprises a driving piece which is arranged on the positioning seat and can drive each telescopic positioning piece to extend out with the same length and then be in press fit with the hole wall of the round hole so as to position the rotary table of the crane, an axial threaded hole is arranged on the positioning seat, a positioning structure bolt penetrates through the thread hole, a pressing block is fixedly arranged on the positioning structure bolt and can be driven to downwards move by the rotation of the positioning structure bolt, the pressing block is a round pressing block, the positioning structure bolt and the round pressing block, the telescopic positioning piece is movably arranged in the radial long hole, the telescopic positioning piece is detachably assembled in the radial long hole, the telescopic positioning piece is a clamping jaw, a threaded hole is machined in the lower end face of the clamping jaw, the clamping jaw is movably assembled in the radial long hole through a gasket and an inner hexagon bolt, the radial long hole is vertically communicated, a positioning structure corresponding to round holes of crane rotary tables with different specifications is installed on the positioning platform, a mounting groove is formed in the positioning platform, and the positioning seat is sunk into the mounting groove.
2. The robot welding hoist is location clamping frock for revolving platform of claim 1, characterized in that: a redirection inclined plane is arranged between the axial pressing piece and the telescopic positioning piece so as to push each telescopic positioning piece to radially extend out when the axial pressing piece moves downwards.
3. The robot welding hoist is location clamping frock for revolving platform of claim 2, characterized in that: the bend inclined plane is arranged on the radial inner end of the telescopic positioning piece, and the inclination direction of the bend inclined plane extends from top to bottom and inclines towards the direction of the axis of the positioning seat.
4. The robot welding hoist is location clamping frock for revolving platform of claim 2, characterized in that: the redirection inclined plane is arranged at the lower end of the round pressing block, and the inclination direction of the redirection inclined plane extends from top to bottom and inclines towards the direction of the axis of the positioning seat.
5. The robot welding crane revolving platform of claim 1 or 2 is with location clamping frock, characterized in that: the positioning and clamping tool further comprises a plurality of pressing mechanisms used for positioning and pressing the rotary table of the crane, each pressing mechanism comprises a fixed seat, and a pressing piece used for pressing the edge of the upper end face of the rotary table of the crane is arranged on each fixed seat.
6. The robot welding hoist is location clamping frock for revolving platform of claim 5, characterized in that: the pressing piece comprises a bolt arranged on the fixed seat and a pressing plate sleeved outside the bolt and capable of being pressed on the rotary table of the crane by the bolt.
7. The robot welding hoist is location clamping frock for revolving platform of claim 6, characterized in that: and the pressing plate is provided with a long hole for the bolt to penetrate through so as to realize the adjustable assembly of the position of the pressing plate.
8. The robot welding hoist is location clamping frock for revolving platform of claim 6, characterized in that: the positioning platform is provided with a mounting groove, and the fixing seat is sunk into the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158683.3A CN109807521B (en) | 2017-11-20 | 2017-11-20 | Positioning and clamping tool for rotary table of robot welding crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158683.3A CN109807521B (en) | 2017-11-20 | 2017-11-20 | Positioning and clamping tool for rotary table of robot welding crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109807521A CN109807521A (en) | 2019-05-28 |
| CN109807521B true CN109807521B (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711158683.3A Expired - Fee Related CN109807521B (en) | 2017-11-20 | 2017-11-20 | Positioning and clamping tool for rotary table of robot welding crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109807521B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059498B (en) * | 2019-06-11 | 2022-08-26 | 河南森源重工有限公司 | Shower nozzle subassembly welding frock |
| CN114535917B (en) * | 2022-04-27 | 2022-07-19 | 成都航天万欣科技有限公司 | Automatic welding platform and welding positioning method for clamping plate assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1120539A (en) * | 1997-07-02 | 1999-01-26 | Kazuo Saito | Carriage for carrying air boat |
| CN202668123U (en) * | 2012-06-14 | 2013-01-16 | 常州市科信燃气设备有限公司 | Relief valve body clamping tool |
| CN205614248U (en) * | 2016-04-27 | 2016-10-05 | 上海汇众汽车制造有限公司 | A anchor clamps that is used for two work pieces of centre gripping |
| CN205817394U (en) * | 2016-06-20 | 2016-12-21 | 南京淳泰控制设备有限公司 | Indexing trough and keyway processing tool in a kind of Novel positioning disk |
| CN106670876A (en) * | 2017-01-23 | 2017-05-17 | 佛山市德琞科技有限公司 | Stator processing positioning device and positioning method |
| CN106903528A (en) * | 2017-04-25 | 2017-06-30 | 江苏科技大学 | For the positioning clamping device and its application method of disk-like accessory processing |
| CN106925628A (en) * | 2017-02-24 | 2017-07-07 | 中海油能源发展股份有限公司 | A kind of shell misalignment error forces means for correcting |
-
2017
- 2017-11-20 CN CN201711158683.3A patent/CN109807521B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1120539A (en) * | 1997-07-02 | 1999-01-26 | Kazuo Saito | Carriage for carrying air boat |
| CN202668123U (en) * | 2012-06-14 | 2013-01-16 | 常州市科信燃气设备有限公司 | Relief valve body clamping tool |
| CN205614248U (en) * | 2016-04-27 | 2016-10-05 | 上海汇众汽车制造有限公司 | A anchor clamps that is used for two work pieces of centre gripping |
| CN205817394U (en) * | 2016-06-20 | 2016-12-21 | 南京淳泰控制设备有限公司 | Indexing trough and keyway processing tool in a kind of Novel positioning disk |
| CN106670876A (en) * | 2017-01-23 | 2017-05-17 | 佛山市德琞科技有限公司 | Stator processing positioning device and positioning method |
| CN106925628A (en) * | 2017-02-24 | 2017-07-07 | 中海油能源发展股份有限公司 | A kind of shell misalignment error forces means for correcting |
| CN106903528A (en) * | 2017-04-25 | 2017-06-30 | 江苏科技大学 | For the positioning clamping device and its application method of disk-like accessory processing |
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| Publication number | Publication date |
|---|---|
| CN109807521A (en) | 2019-05-28 |
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Granted publication date: 20210223 |