CN114633069A - Positioning device and positioning method for tubular workpiece welding - Google Patents
Positioning device and positioning method for tubular workpiece welding Download PDFInfo
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- CN114633069A CN114633069A CN202210421368.XA CN202210421368A CN114633069A CN 114633069 A CN114633069 A CN 114633069A CN 202210421368 A CN202210421368 A CN 202210421368A CN 114633069 A CN114633069 A CN 114633069A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a positioning device and a positioning method for welding a tubular workpiece, and belongs to the technical field of intelligent manufacturing. The automatic workpiece positioning device comprises a base, a plurality of idler wheels arranged at the bottom of the base, an elevating mechanism, a rotating mechanism, a shifting mechanism and a positioning mechanism, wherein the elevating mechanism is arranged on the base, the rotating mechanism is arranged on the elevating mechanism, the shifting mechanism is arranged on the rotating mechanism, the positioning mechanism is connected to the shifting mechanism and used for fixing the position of a workpiece, and a lever assembly is further arranged on the positioning mechanism and used for balancing the positioning of the workpiece. The positioning device for welding the tubular workpiece is used for automatically and flexibly clamping the tubular workpiece, the tubular workpieces with a plurality of diameters can be compatible by adjusting the distance between the two first supporting seats, and meanwhile, components such as a screw rod, a worm gear and the like can be self-locked to realize stable positioning of the tubular workpiece; and meanwhile, a plurality of degrees of freedom are arranged, so that the tubular workpiece can be suitable for different positions, and the welding work can be conveniently completed.
Description
Technical Field
The invention belongs to the technical field of intelligent manufacturing, and particularly relates to a positioning device and a positioning method for welding a tubular workpiece.
Background
Tubular workpieces are used in industrial production in a large number, such as pipelines, thermal equipment, machinery industry, petroleum geological drilling, containers, chemical industry and special applications, and the tubular workpieces are needed. In some specific production environments, it is necessary to weld tubular workpieces to a designated location to complete the production of mechanical equipment. At present, when a tubular workpiece is welded, the labor and the force are consumed, and the tubular workpiece is positioned more trouble. Therefore, it is necessary to design a device for welding tubular workpieces to solve the above problems.
Disclosure of Invention
The present invention provides a positioning device and a positioning method for welding a tubular workpiece, which are used for solving the technical problems in the background art.
The invention adopts the following technical scheme: the utility model provides a positioner is used in welding of tubulose work piece, includes base and sets up a plurality of gyro wheels in the base bottom, still includes:
the lifting mechanism is arranged on the base;
the rotating mechanism is arranged on the lifting mechanism;
the position changing mechanism is arranged on the rotating mechanism and combined with the rotating mechanism to rotate the workpiece in space;
the positioning mechanism is connected with the displacement mechanism and used for fixing the position of a workpiece; and the positioning mechanism is also provided with a lever assembly for balancing the positioning of the workpiece.
In a further embodiment, the lift mechanism comprises:
at least a first cylinder disposed on the base; the telescopic end of the first cylinder is connected with the supporting plate;
one end of the telescopic shaft is connected with the base, and the other end of the telescopic shaft is connected with the supporting plate.
Through above-mentioned technical scheme, through the height of this positioner of first cylinder adjustment.
In a further embodiment, the indexing mechanism comprises:
the mounting seat is arranged on the rotating mechanism; the top of the mounting seat is provided with a through hole; the middle part of the mounting seat is of a hollow structure;
the two ends of the mounting rod are rotatably connected with the two mounting seats; one end of the mounting rod is provided with a turbine;
the worm is rotatably arranged in the hollow structure; the worm is meshed with the turbine.
Through above-mentioned technical scheme, the drive worm rotates, and then drives the pole and rotate, because the transmission ratio of worm wheel, worm is great, therefore the turned angle of installation pole is accurate, and worm wheel, worm can the auto-lock simultaneously, can effectually make the work piece on the positioning mechanism rotate to appointed angle and static.
In a further embodiment, the positioning mechanism comprises:
the first positioning seat comprises a first transverse plate and a plurality of limiting plates, and the first transverse plate and the limiting plates are combined and fixed on the shifting mechanism; a plurality of threaded holes are formed in the first transverse plate;
the at least two first supporting seats are arranged on the first transverse plate;
the first mounting shaft is mounted on the first transverse plate; the first mounting shaft is of a hollow structure, and a screw rod is rotatably arranged in the first mounting shaft;
the first sliding rail is arranged on the inner wall of the first mounting shaft and is parallel to the screw rod;
the first sliding seat is arranged on the screw rod and rotates; one end of the first sliding seat is connected with the first sliding rail in a sliding manner;
and the second limiting component is arranged at the other end of the sliding seat and forms triangular positioning with the two first supporting seats.
Through above-mentioned technical scheme, make the spacing subassembly of second go up and down to appointed position, form the triangulation locating with two first supporting seats of installing on first diaphragm, and then press from both sides tight work piece.
In a further embodiment, the second stop assembly comprises:
the second mounting shaft is fixedly connected with the first sliding seat; the interior of the second mounting shaft is of a hollow structure, and two parallel second sliding rails are mounted at the same time;
the two sides of the second sliding seat are respectively connected with the second sliding rail in a sliding manner;
the first rotating rod is in threaded connection with the second mounting shaft, and the end part of the first rotating rod is rotationally connected with the second sliding seat;
the second rotating rod penetrates through the second sliding seat and is in threaded connection with the second sliding seat; the second rotating rod is perpendicular to the first rotating rod; the end part of the second rotating rod is rotatably provided with a second supporting seat.
Through the technical scheme, the first rotating rod is rotated, so that the second sliding seat moves on the second sliding rail, and meanwhile, the second rotating rod is rotated, so that the second supporting seat is abutted to the surface of a workpiece and is combined with the two first supporting seats to form a clamping structure.
In a further embodiment, the second support seat comprises:
the mounting block is rotatably connected to the second rotating rod;
one end of the triangular plate is rotatably connected with the mounting block, and the other two ends of the triangular plate are rotatably provided with the rollers.
Through above-mentioned technical scheme, can transversely, vertically rotate through the gyro wheel, realize pressing from both sides tightly.
In a further embodiment, the lever assembly includes:
the lever frame is fixedly connected with the positioning mechanism;
the third sliding rail is arranged on the lever frame; a third sliding seat is arranged on the third sliding rail;
and the weight is fixedly connected with the third sliding seat.
Through above-mentioned technical scheme, when becoming rotational positioning mechanism to appointed angle, slide heavy object to the position that corresponds for positioning mechanism, balanced subassembly use first installation axle as the center of rotation, keep balance relatively.
The positioning method based on the positioning device for welding the tubular workpiece comprises the following steps:
the method comprises the following steps: firstly, the second limiting component is lifted to a specified position, and forms triangular positioning with two first supporting seats arranged on a first transverse plate so as to clamp a workpiece;
step two: when the positioning mechanism is rotated to a specified angle, sliding the heavy object to a corresponding position to realize the balance of the positioning mechanism and the workpiece;
step three: and adjusting the workpiece to a specified height by using the lifting mechanism, and welding the workpiece.
The invention has the beneficial effects that: the tubular workpiece is automatically and flexibly clamped, the tubular workpieces with a plurality of diameters can be compatible by adjusting the distance between the two first supporting seats, and meanwhile, components such as a screw rod, a worm gear and a worm can be self-locked to realize stable positioning of the tubular workpiece; and meanwhile, a plurality of degrees of freedom are arranged, so that the tubular workpiece can be suitable for different positions, and the welding work can be conveniently completed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the rotating mechanism of the present invention.
Fig. 3 is a partial structural schematic diagram of the positioning mechanism of the present invention.
Fig. 4 is a schematic structural view of a second limiting assembly of the present invention.
Each of fig. 1 to 4 is labeled as: the lifting mechanism 1, the rotating mechanism 2, the displacement mechanism 3, the positioning mechanism 4, the lever assembly 5, the mounting seat 31, the mounting rod 32, the first positioning seat 41, the first supporting seat 42, the first mounting shaft 43, the first sliding rail 44, the first sliding seat 45, the screw rod 46, the second limiting assembly 47, the second mounting shaft 471, the second sliding seat 472, the first rotating rod 473, the second rotating rod 474, the second supporting seat 475, the lever frame 51, the third sliding rail 52 and the weight 53.
Detailed Description
Based on the technical problems provided in the background, the application provides a positioning device and a positioning method for welding tubular workpieces, which are used for positioning and clamping the tubular workpieces so as to meet the actual welding requirements.
The embodiment is a positioning device for welding tubular workpieces, which comprises a base and a plurality of rollers arranged at the bottom of the base, and further comprises an elevating mechanism 1, a rotating mechanism 2, a position changing mechanism 3 and a positioning mechanism 4, wherein the elevating mechanism 1 is installed on the base and used for adjusting the height of the positioning device to enable the positioning device to ascend and descend to a specified position, the rotating mechanism 2 is installed on the base and used for adjusting the direction of the positioning mechanism 4, the position changing mechanism 3 is installed on the rotating mechanism 2 and used for adjusting the angle of the tubular workpieces, the positioning mechanism 4 is connected to the position changing mechanism 3 and used for fixing the position of the tubular workpieces, and a lever assembly 5 is further arranged on the positioning mechanism 4 and used for balancing the positioning of the tubular workpieces.
Further, elevating system 1 in this embodiment includes at least first cylinder and telescopic shaft, and wherein at least first cylinder is installed on the base, and the backup pad is connected to the flexible end of first cylinder, and the one end of telescopic shaft is connected in the base, other end joint support board. When the positioning device is used, the height of the positioning device is adjusted through the first air cylinder.
Through the technical scheme, in order to realize the rotation of the tubular workpiece, in a further embodiment, the local rotation of the fixing mechanism is realized through the displacement mechanism 3, so that the tubular workpiece rotates to a proper angle, the displacement mechanism 3 comprises a mounting seat 31, a mounting rod 32, a worm and a worm wheel, wherein the mounting seat 31 is mounted on the rotating mechanism 2, namely, the mounting seat 31 is fixedly mounted on the supporting plate, a through hole is formed in the top of the mounting seat 31 and used for mounting a bearing, the rotatable mounting rod 32 is further mounted through the bearing, the worm wheel is fixedly mounted at one end of the mounting rod 32, the middle part of the mounting seat 31 is of a hollow structure and used for mounting the rotatable worm, and the worm is meshed with the worm wheel. When the tubular workpiece positioning mechanism is used, the motor is used for driving the worm to drive the mounting rod 32 to rotate, the transmission ratio of the worm wheel and the worm is large, so that the rotating angle of the mounting rod 32 is accurate, meanwhile, the worm wheel and the worm can be self-locked, and the tubular workpiece on the positioning mechanism 4 can be effectively rotated to a specified angle and is static.
By the above technical solution, in order to effectively position and tighten a multi-tubular workpiece, in a further embodiment, a positioning mechanism 4 is provided for positioning the multi-tubular workpiece, the positioning mechanism 4 includes a first positioning seat 41, at least two first supporting seats 42, a first mounting shaft 43, a first sliding rail 44, a first sliding seat 45 and a second limiting component 47, wherein the first positioning seat 41 includes a first transverse plate and a plurality of limiting plates, the first transverse plate and the plurality of limiting plates are combined and fixed on the displacement mechanism 3, i.e. fixed on the outer side of the mounting rod 32 by welding or screw connection, the first transverse plate is provided with a plurality of threaded holes, at least two first supporting seats 42 are fixed on the first transverse plate by screws, and the first mounting shaft 43 is fixedly mounted on the first transverse plate on one side of the first supporting seats 42, the first mounting shaft 43 is of a hollow structure, and a screw rod 46 is rotatably mounted inside, the inner wall of the first mounting shaft 43 is fixedly mounted with a first slide rail 44 and is parallel to the lead screw 46, the first sliding seat 45 is disposed on the lead screw 46 and the first slide rail 44 to move, that is, one end of the first sliding seat 45 is slidably connected to the first slide rail 44, the middle position of the first sliding seat 45 is in threaded connection with the lead screw 46, the other end of the first sliding seat 45 is mounted with a second limiting component 47, and forms a triangular positioning structure with the two first supporting seats 42. When the clamping device is used, the screw rod 46 is rotated, so that the second limiting assembly 47 is lifted to a specified position to form triangular positioning with the two first supporting seats 42 arranged on the first transverse plate, and the triangular positioning is used for clamping a tubular workpiece.
Further, in order to adapt to tubular workpieces with different diameter models, in a further embodiment, the horizontal adjustment is performed by a second limiting assembly 47, the second limiting assembly 47 includes a second mounting shaft 471, a second sliding seat 472, a first rotating rod 473 and a first rotating rod 473, wherein the second mounting shaft 471 is mounted on the first sliding seat 45, the second mounting shaft 471 is hollow and is mounted with two parallel second sliding rails, two sides of the second sliding seat 472 are slidably connected with the two second sliding rails, the first rotating rod 473 is in threaded connection with the end of the second mounting shaft 471 and passes through the end of the second mounting shaft 471, the other end of the first rotating rod 473 is rotatably connected with the second sliding seat 472, and the second rotating rod 474 is disposed to pass through the second sliding seat 472, the second rotating rod 474 is in a threaded rod structure, the second rotating rod 474 is perpendicular to the first rotating rod 473, the end of the second sliding seat 472 through which the second rotating lever 474 passes is rotatably provided with a second supporting seat 475. In use, the first rotating rod 473 is rotated to move the second sliding seat 472 on the second sliding rail, and the second rotating rod 474 is rotated to press the second supporting seat 475 against the surface of the tubular workpiece, so as to combine with the two first supporting seats 42 to form a clamping structure.
Further, second supporting seat 475 in this application includes installation piece, set square, and wherein the installation piece rotates the tip of installing at second dwang 474, and the one end of set square rotates to be connected in the installation piece, and the installation gyro wheel is rotated at other both ends. When in use, the clamping is realized through the roller capable of rotating transversely and longitudinally.
The first supporting seat 42 is similar to the second supporting seat 475, and the first supporting seat 42 preferably uses a set of rollers.
Through the above technical solution, when the positioning mechanism 4 is rotated by the position changing mechanism 3, and the positioning mechanism 4 clamps the tubular workpiece, in order to prevent the lever force from being too large and damaging the positioning device, in a further embodiment, a lever assembly 5 is installed at an extension of the positioning mechanism 4, so that the positioning mechanism 4 is balanced with respect to the position changing mechanism 3, the lever assembly 5 includes a lever frame 51, a third slide rail 52 and a weight 53, wherein the lever frame 51 is fixedly installed at an end of the positioning mechanism 4, that is, the lever frame 51 is fixedly installed at an end of the first installation shaft 43,
the lever frame 51 is provided with a third slide rail 52, the third slide rail 52 is provided with a third slide seat, and the third slide seat is provided with a heavy object 53. When the positioning mechanism 4 is rotated to a specified angle, the weight 53 is slid to a corresponding position, so that the positioning mechanism 4 and the balance assembly are relatively balanced by taking the first mounting shaft 43 as a rotation center.
The working principle is as follows: the tubular workpiece is clamped through the positioning mechanism 4, namely the worm is driven to rotate, so that the driving rod rotates, the second limiting assembly 47 is lifted to a specified position to form triangular positioning with the two first supporting seats 42 arranged on the first transverse plate, and then the first rotating rod 473 is rotated, so that the second sliding seat 472 moves on the second sliding rail, meanwhile, the second rotating rod 474 is rotated, so that the second supporting seat 475 is abutted against the surface of the tubular workpiece and is combined with the two first supporting seats 42, so as to clamp the tubular workpiece, when the tubular workpiece is changed into the rotary positioning mechanism 4 to a specified angle, the heavy object 53 is slid to a corresponding position, so that the positioning mechanism 4 and the balance assembly use the first mounting shaft 43 as a rotation center, the relative balance is kept, and finally the lifting mechanism 1 is used for adjusting the positioning device to a specified height, so as to weld the tubular workpiece.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes may be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a positioner is used in welding of tubulose work piece, includes the base and sets up a plurality of gyro wheels in the base bottom, its characterized in that still includes:
the lifting mechanism is arranged on the base;
the rotating mechanism is arranged on the lifting mechanism;
the position changing mechanism is arranged on the rotating mechanism and combined with the rotating mechanism to rotate the workpiece in space;
the positioning mechanism is connected with the displacement mechanism and used for fixing the position of a workpiece; and the positioning mechanism is also provided with a lever assembly for balancing the positioning of the workpiece.
2. The positioning device for tubular workpiece welding according to claim 1, wherein the lifting mechanism comprises:
at least a first cylinder disposed on the base; the telescopic end of the first cylinder is connected with the supporting plate;
one end of the telescopic shaft is connected with the base, and the other end of the telescopic shaft is connected with the supporting plate.
3. The positioning device for welding the tubular workpiece as claimed in claim 1, wherein the indexing mechanism comprises:
the mounting seat is arranged on the rotating mechanism; the top of the mounting seat is provided with a through hole; the middle part of the mounting seat is of a hollow structure;
the two ends of the mounting rod are rotatably connected with the two mounting seats; one end of the mounting rod is provided with a turbine;
the worm is rotatably arranged in the hollow structure; the worm is meshed with the turbine.
4. The positioning device for welding a tubular workpiece as set forth in claim 1, wherein said positioning mechanism comprises:
the first positioning seat comprises a first transverse plate and a plurality of limiting plates, and the first transverse plate and the plurality of limiting plates are combined and fixed on the displacement mechanism; a plurality of threaded holes are formed in the first transverse plate;
the at least two first supporting seats are arranged on the first transverse plate;
the first mounting shaft is mounted on the first transverse plate; the first mounting shaft is of a hollow structure, and a screw rod is rotatably arranged in the first mounting shaft;
the first sliding rail is arranged on the inner wall of the first mounting shaft and is parallel to the screw rod;
the first sliding seat is arranged on the screw rod and rotates; one end of the first sliding seat is connected with the first sliding rail in a sliding manner;
and the second limiting assembly is arranged at the other end of the sliding seat and forms triangular positioning with the two first supporting seats.
5. The positioning device for tubular workpiece welding according to claim 4, wherein the second limiting component comprises:
the second mounting shaft is fixedly connected with the first sliding seat; the interior of the second mounting shaft is of a hollow structure, and two parallel second sliding rails are mounted at the same time;
the two sides of the second sliding seat are respectively connected with the second sliding rail in a sliding manner;
the first rotating rod is in threaded connection with the second mounting shaft, and the end part of the first rotating rod is rotationally connected with the second sliding seat;
the second rotating rod penetrates through the second sliding seat and is in threaded connection with the second sliding seat; the second rotating rod is perpendicular to the first rotating rod; the end part of the second rotating rod is rotatably provided with a second supporting seat.
6. The positioning device for welding a tubular workpiece as set forth in claim 4, wherein said second support seat comprises:
the mounting block is rotatably connected to the second rotating rod;
one end of the triangular plate is rotatably connected with the mounting block, and the other two ends of the triangular plate are rotatably provided with the rollers.
7. The positioning device for welding the tubular workpiece as claimed in claim 1, wherein the lever assembly comprises:
the lever frame is fixedly connected with the positioning mechanism;
the third sliding rail is arranged on the lever frame; a third sliding seat is arranged on the third sliding rail;
and the weight is fixedly connected with the third sliding seat.
8. The positioning method of the positioning device for welding tubular workpieces according to any one of claims 1 to 7, comprising the steps of:
the method comprises the following steps: firstly, the second limiting component is lifted to a specified position, and forms triangular positioning with two first supporting seats arranged on a first transverse plate so as to clamp a workpiece;
step two: when the positioning mechanism is rotated to a specified angle, sliding the heavy object to a corresponding position to realize the balance of the positioning mechanism and the workpiece;
step three: and adjusting the workpiece to a specified height by using the lifting mechanism, and welding the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421368.XA CN114633069A (en) | 2022-04-21 | 2022-04-21 | Positioning device and positioning method for tubular workpiece welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421368.XA CN114633069A (en) | 2022-04-21 | 2022-04-21 | Positioning device and positioning method for tubular workpiece welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114633069A true CN114633069A (en) | 2022-06-17 |
Family
ID=81951174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210421368.XA Withdrawn CN114633069A (en) | 2022-04-21 | 2022-04-21 | Positioning device and positioning method for tubular workpiece welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114633069A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255979A (en) * | 2022-08-23 | 2022-11-01 | 安徽飞祥机械制造有限公司 | Drilling machine for machining shaft parts |
-
2022
- 2022-04-21 CN CN202210421368.XA patent/CN114633069A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255979A (en) * | 2022-08-23 | 2022-11-01 | 安徽飞祥机械制造有限公司 | Drilling machine for machining shaft parts |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220617 |
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| WW01 | Invention patent application withdrawn after publication |