CN212122232U - Welding auxiliary tool for tubular workpiece - Google Patents
Welding auxiliary tool for tubular workpiece Download PDFInfo
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- CN212122232U CN212122232U CN202020118025.2U CN202020118025U CN212122232U CN 212122232 U CN212122232 U CN 212122232U CN 202020118025 U CN202020118025 U CN 202020118025U CN 212122232 U CN212122232 U CN 212122232U
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Abstract
The utility model discloses a welding auxiliary tool for tubular workpieces, which mainly comprises a power driving device and two clamping devices which are symmetrically arranged along the axial direction of the workpieces; the clamping device comprises a three-jaw chuck and a rotating shaft; the rotating shaft is fixedly connected with the three-jaw chuck; the power driving device comprises a motor, a first speed reducer and a second speed reducer; the first speed reducer is connected with the motor; the input shaft of the first speed reducer is connected with the motor; the second speed reducers comprise two speed reducers which are symmetrically arranged along the axial direction of the workpiece; the input shaft of the second speed reducer is the output shaft of the first speed reducer; an output shaft of the second speed reducer is fixedly connected with the rotating shaft; the motor is connected with the two clamping devices through the first speed reducer and the second speed reducer, the clamping devices are connected with the workpiece, the motor enables the rotating shaft to rotate stably through twice speed reduction, so that the workpiece can slowly rotate at a constant speed, relative motion does not exist between the two pipe workpieces, and the welding seam is relatively uniform while the operation of an operator is simple.
Description
Technical Field
The utility model relates to a welding field of tubulose work piece especially relates to a welding auxiliary fixtures of tubulose work piece.
Background
In the welding process of the tubular workpiece, as the welding seam is annular, when in welding, a worker needs to weld a part, then rotates the workpiece and then carries out welding again, the welding can be completed in several steps, the time consumption of the welding process is long, the operation is troublesome and the efficiency is not high; on the other hand, the continuous rotation can not ensure the welding seam to be even and neat, and the welding performance is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves is: the utility model provides a welding auxiliary fixtures of tubulose work piece can realize the automatic work piece that rotates.
In order to solve the main technical problems, the following technical scheme is adopted:
a welding auxiliary tool for tubular workpieces comprises a power driving device and two clamping devices which are symmetrically arranged along the axial direction of the workpieces; the clamping device comprises a three-jaw chuck and a rotating shaft; the rotating shaft is fixedly connected with the three-jaw chuck; the power driving device comprises a motor, a first speed reducer and a second speed reducer; the input shaft of the first speed reducer is connected with the motor; the second speed reducers comprise two speed reducers which are symmetrically arranged along the axial direction of the workpiece; the input shaft of the second speed reducer is the output shaft of the first speed reducer; and an output shaft of the second speed reducer is fixedly connected with the rotating shaft.
Preferably, a supporting seat is arranged between the two clamping devices; two rotating rollers are arranged at the top of the supporting seat; a roll shaft of the rotating roll is fixed on the supporting seat; the axial directions of the two rotating rollers are consistent with the axial direction of the workpiece; the two rotating rollers are respectively positioned on two sides of the workpiece in the radial direction.
Preferably, the supporting seat comprises a scissor jack, a top plate and a supporting frame; the top plate is fixed at the top of the scissor jack; the support frame is fixed on the top plate; and a roll shaft of the rotating roll is fixed on the support frame.
Preferably, the rotating shaft is fixed on the base; the longitudinal section of the base is trapezoidal; the base is provided with a through groove along the axial direction of the workpiece; the rotating shaft is fixed on the through groove.
Preferably, the two second reducer input shafts are connected by a coupling.
Compared with the prior art, the utility model discloses be applied to the welding tool of tubulose work piece and possess following advantage:
(1) the motor is connected with the two clamping devices through the first speed reducer and the second speed reducer, the clamping devices are fixedly connected with the workpiece, the rotating shaft rotating speed of the clamping devices is stable due to the fact that the motor is decelerated twice, the workpiece can slowly rotate at a constant speed, relative motion does not exist between the two pipe workpieces, and meanwhile welding seams are relatively uniform due to the fact that operation of an operator is simple.
(2) The supporting seat comprises a scissor jack, a top plate and the like, and the lifting of the supporting seat can be realized, so that the supporting seat is suitable for supporting the welding ends of pipes with different diameters; the rotating shaft of the clamping device is fixed on the base, and the base is trapezoidal, so that the supporting strength of the base can be enhanced; the input shafts of the two second speed reducers are connected through the coupler, the positions of the second speed reducers can be changed by changing the length of the coupler, and the welding of workpieces with different lengths can be adapted by moving the base and changing the positions of the second speed reducers.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.
Fig. 1 is a schematic top view of a welding auxiliary tool for a tubular workpiece according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a support seat of a welding auxiliary tool for a tubular workpiece according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a base of a welding auxiliary tool for a tubular workpiece according to an embodiment of the present invention.
In the figure: the device comprises a power driving device 1, a clamping device 2, a first speed reducer 11, a second speed reducer 12, a motor 13, a rotating shaft 21, a three-jaw chuck 22, a supporting seat 3, a rotating roller 31, a scissor jack 32, a top plate 33, a supporting frame 34, a base 4, a through groove 41 and a coupling 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an auxiliary welding tool for tubular workpieces includes a power driving device 1 and two clamping devices 2 symmetrically disposed along an axial direction of the workpieces, wherein the power driving device 1 drives the workpieces, the clamping devices 2 are used for fixing the workpieces, and the two clamping devices 2 are symmetrically disposed along the axial direction of the workpieces, so as to realize butt welding of two pipes; the clamping device 2 comprises a three-jaw chuck 22 and a rotating shaft 21; the rotating shaft 21 is fixedly connected with the three-jaw chuck 22, the three-jaw chuck 22 realizes automatic centering, the rotating shaft 21 is fixedly connected with the three-jaw chuck 22, so that the three-jaw chuck 22 and the rotating shaft 21 synchronously rotate, a workpiece and the rotating shaft 21 synchronously rotate, and the centers of the three-jaw chucks 22 of the two clamping devices 2 are completely overlapped after being axially translated along the workpiece; the power driving device 1 comprises a motor 13, a first speed reducer 11 and a second speed reducer 12; the input shaft of the first speed reducer 11 is connected with a motor 13; the second speed reducers 12 comprise two speed reducers which are symmetrically arranged along the axial direction of the workpiece, and the two second speed reducers 12 are distributed along the axial direction, and a perpendicular bisector of the two second speed reducers 12 along the axial direction is a symmetrical axis of the two second speed reducers 12; the input shaft of the second speed reducer 12 is the output shaft of the first speed reducer 11; the output shaft of the second speed reducer 12 is fixedly connected with the rotating shaft 21, namely the motor 13 is connected with the two clamping devices 2 through the first speed reducer 12 and the second speed reducer 13, the rotating speed of the rotating shaft 21 is slow and stable through twice speed reduction of the motor 13, the motor 13 rotates to drive the two clamping devices 2 to rotate, no relative motion between the two pipe workpieces is achieved, an operator can weld without manpower rotation, operation is simple, and welding seams are even.
Furthermore, a supporting seat 3 is arranged between the two clamping devices 2, the supporting seat 3 and the two clamping devices 3 are positioned on the same straight line, the supporting seat 3 is positioned between the two clamping devices 3, and the supporting seat 3 is used for supporting the welding end of the workpiece, so that the phenomenon that the welding part of the workpiece is not supported, the workpiece sags and the welding quality is influenced is avoided; two rotating rollers 31 are arranged at the top of the supporting seat 3; the roll shaft of the rotating roll 31 is fixed on the supporting seat 3 through parts such as a bearing and the like; the axial directions of the two rotating rollers 31 are in accordance with the axial direction of the workpiece; the two rotating rollers 31 are respectively positioned at two sides of the workpiece in the radial direction, and the distance between the two driving rollers 31 is smaller than or equal to the diameter of the workpiece.
Further, the support base 3 comprises a scissor jack 32, a top plate 33 and a support frame 34; the top plate 33 is fixed on the top of the scissor jack 32 through fasteners such as screws or welding, the supporting strength of the scissor jack 32 is high, and the lifting height is easy to adjust; the support frame 34 is fixed on the top plate 33 through welding or fasteners; the roller shaft of the rotating roller 31 is fixed to a support frame 34, and the support frame 34 corresponds to a bearing seat of the roller shaft of the rotating roller 31.
Further, the rotating shaft 21 is fixed on the base 4, and the base 4 is used for supporting the clamping device 2; the longitudinal section of the base 4 is trapezoidal, and the trapezoidal shape can enable the base 4 to stand more stably; the base 4 is provided with a through groove 41 along the axial direction of the workpiece; the rotating shaft 21 is fixed to the through groove 41 through a bearing and a bearing seat.
Further, the input shafts of the two second speed reducers 12 are connected through the coupler 5, the input shafts of the two second speed reducers 12 are connected into a whole through the coupler 5, the distance between the two second speed reducers 12 is changed by replacing the couplers 5 with different axial lengths or by using the couplers 5 in series, and the distance between the two clamping devices 2 and the distance between the two second speed reducers 12 are changed, so that the welding device is suitable for welding between workpieces with different lengths, and the applicability is improved.
The working principle is as follows: clamping two workpieces on the three-jaw chucks 22 of the two clamping devices 2 respectively, and adjusting the height of the scissor jack 32 to enable the workpieces to be in a horizontal state; and starting the motor 13, slowly rotating the workpiece at a constant speed under the combined action of the first speed reducer 11 and the second speed reducer 12, and welding the workpiece by standing the operator in the radial direction of the workpiece.
It should be noted that, in the present invention, "upper, lower, left and right" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of the description of the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.
Further optimizing this technical scheme, the input shaft of second reduction gear 12 can set up the runner, and the runner rotation can realize that two clamping device 2 rotate simultaneously.
Further optimize this technical scheme, the starting switch of motor 13 places around operating personnel to open and close through trampling.
Further optimizing the present invention, the above-mentioned embodiments are preferred embodiments, and are not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that modifications may be made to the above-mentioned embodiments, or equivalent replacements may be made to some technical characteristics of the above-mentioned embodiments, and any modifications, equivalent replacements, improvements and the like made within the spirit and principle of the present invention are all included in the scope of the present invention.
Claims (5)
1. The utility model provides a welding auxiliary fixtures of tubulose work piece which characterized in that: comprises a power driving device and two clamping devices which are symmetrically arranged along the axial direction of a workpiece; the clamping device comprises a three-jaw chuck and a rotating shaft; the rotating shaft is fixedly connected with the three-jaw chuck; the power driving device comprises a motor, a first speed reducer and a second speed reducer; the input shaft of the first speed reducer is connected with the motor; the second speed reducers comprise two speed reducers which are symmetrically arranged along the axial direction of the workpiece; the input shaft of the second speed reducer is the output shaft of the first speed reducer; and an output shaft of the second speed reducer is fixedly connected with the rotating shaft.
2. The welding auxiliary tool for tubular workpieces according to claim 1, wherein: a supporting seat is arranged between the two clamping devices; two rotating rollers are arranged at the top of the supporting seat; a roll shaft of the rotating roll is fixed on the supporting seat; the axial directions of the two rotating rollers are consistent with the axial direction of the workpiece; the two rotating rollers are respectively positioned on two sides of the workpiece in the radial direction.
3. The welding auxiliary tool for tubular workpieces according to claim 2, wherein: the supporting seat comprises a scissor jack, a top plate and a supporting frame; the top plate is fixed at the top of the scissor jack; the support frame is fixed on the top plate; and a roll shaft of the rotating roll is fixed on the support frame.
4. The welding auxiliary tool for tubular workpieces according to claim 1, wherein: the rotating shaft is fixed on the base; the longitudinal section of the base is trapezoidal; the base is provided with a through groove along the axial direction of the workpiece; the rotating shaft is fixed on the through groove.
5. The welding auxiliary tool for tubular workpieces according to claim 1, wherein: and the input shafts of the two second speed reducers are connected through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118025.2U CN212122232U (en) | 2020-01-19 | 2020-01-19 | Welding auxiliary tool for tubular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118025.2U CN212122232U (en) | 2020-01-19 | 2020-01-19 | Welding auxiliary tool for tubular workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212122232U true CN212122232U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020118025.2U Active CN212122232U (en) | 2020-01-19 | 2020-01-19 | Welding auxiliary tool for tubular workpiece |
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| Country | Link |
|---|---|
| CN (1) | CN212122232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548887A (en) * | 2024-01-11 | 2024-02-13 | 潍坊昌大建设集团有限公司 | Steel bar welding positioning device |
-
2020
- 2020-01-19 CN CN202020118025.2U patent/CN212122232U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548887A (en) * | 2024-01-11 | 2024-02-13 | 潍坊昌大建设集团有限公司 | Steel bar welding positioning device |
| CN117548887B (en) * | 2024-01-11 | 2024-04-02 | 潍坊昌大建设集团有限公司 | Steel bar welding positioning device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Effective date of registration: 20230712 Address after: Room 348, Floor 3, Yeheng Life Plaza, 56 Guozhan Road, Jiangwang Subdistrict, Hanjiang District, Yangzhou City, Jiangsu Province, 225000 Patentee after: Yangzhou Guangyun Technology Co.,Ltd. Address before: 225000 Industrial Park, Fangxiang Town, Hanjiang District, Yangzhou City, Jiangsu Province Patentee before: Yangzhou Guangyuan Machinery Sheet Metal Co.,Ltd. |
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| TR01 | Transfer of patent right |