CN215091758U - Positioning device for automatic straight seam welding machine - Google Patents
Positioning device for automatic straight seam welding machine Download PDFInfo
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- CN215091758U CN215091758U CN202120744434.8U CN202120744434U CN215091758U CN 215091758 U CN215091758 U CN 215091758U CN 202120744434 U CN202120744434 U CN 202120744434U CN 215091758 U CN215091758 U CN 215091758U
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Abstract
The utility model discloses a positioning device for a straight seam automatic welding machine, which comprises a base, a pre-splicing mechanism and a straight seam clamping device which are concentrically arranged, wherein the pre-splicing mechanism is arranged on the base, and the straight seam clamping device is arranged above the pre-splicing mechanism; the pre-splicing mechanism comprises a central column fixedly arranged at the center of the base, and an upper chuck and a lower chuck which are sleeved on the central column, the distance between the upper chuck and the lower chuck is adjustable, the upper chuck and the lower chuck are connected through two groups of grabbing components, each group of grabbing components can longitudinally grab a circular arc straight plate, the distance between the circular arc straight plate and the central column can be adjusted through the grabbing components, and the two groups of grabbing components respectively grab one circular arc straight plate to rotate around the central column until straight edges of the two circular arc straight plates are correspondingly attached to each other to realize splicing; in the welding process, the device can stably clamp and position the two arc-shaped straight plates, and is favorable for smooth welding.
Description
Technical Field
The utility model belongs to the technical field of the ventilation pipe processing, concretely relates to a positioner for straight seam automatic weld machine.
Background
The air pipe is welded by two processing modes of circular seam welding or straight seam welding, when a pipeline with a larger diameter is welded, if circular seam welding is adopted, a construction site is large, and the occupied area of a plurality of sections of large-diameter circular air pipes after being segmented is large, so that the air pipes are very inconvenient to carry during processing and low in processing efficiency; the automatic straight seam welding machine is mainly applied to large-scale air pipes and H-shaped steel production. The welding of major diameter pipe, owing to be that carry out the transversal joint welding construction after a plurality of arcs amalgamate, when a pipe comprises the arc more than two, still do not form circularly after the welding between two arcs, two arcs that do not closed during the welding are put perpendicularly and are had the location difficulty, the problem that the stability is not high of standing influences going on of weldment.
Disclosure of Invention
The weak point to prior art, the utility model provides a positioner for transversal joint automatic weld machine can carry out the transversal joint welding to the pipe of different diameters, in welding process, to the straight board homoenergetic realization of the arc of different radian stabilize the centre gripping, is favorable to going on smoothly of executing welding work.
The technical scheme of the utility model as follows: the positioning device for the automatic straight seam welding machine comprises a base, a pre-splicing mechanism and a straight seam clamping device which are concentrically arranged, wherein the pre-splicing mechanism is arranged on the base, and the straight seam clamping device is arranged above the pre-splicing mechanism; the pre-splicing mechanism comprises a central column fixedly arranged at the center of the base, an upper chuck and a lower chuck, the upper chuck and the lower chuck are sleeved on the central column, the distance between the upper chuck and the lower chuck is adjustable, the upper chuck and the lower chuck are connected through two sets of grabbing components, each group of grabbing components can vertically grab a circular arc straight plate, the grabbing components can adjust the distance between the circular arc straight plates and the central column, and the two sets of grabbing components respectively grab a circular arc straight plate to rotate around the central column until straight edges of the two circular arc straight plates are correspondingly attached to achieve splicing.
According to the scheme, the pre-splicing mechanism can grab the two arc-shaped straight plates and pre-splices the two arc-shaped straight plates around the same circle, the straight seam clamping device further fixes the seam after pre-splicing is completed, the two arc-shaped straight plates are guaranteed to be consistently kept at the splicing position, and the subsequent welding process is more stable; the distance between the upper chuck and the lower chuck is adjustable so that the device is suitable for splicing plates with different lengths and is convenient for loading and unloading of circular arc straight plates.
Further, the grabbing component comprises an upper grabbing arm and a lower grabbing arm, the upper grabbing arm and the lower grabbing arm are of telescopic structures, the rear end of the upper grabbing arm is connected to the outer circumference of the upper chuck in a sliding mode, an upper clamping jaw with a downward opening is arranged at the front end of the upper grabbing arm, the rear end of the lower grabbing arm is connected to the outer circumference of the lower chuck in a sliding mode, a lower clamping jaw with an upward opening is arranged at the front end of the lower grabbing arm, the middle portions of the upper grabbing arm and the lower grabbing arm are fixedly connected through a vertical telescopic rod, and the upper clamping jaw and the lower clamping jaw which are correspondingly arranged can clamp the upper arc edge and the lower arc edge of the arc-shaped straight plate. The upper arc edge and the lower arc edge of the arc-shaped straight plate are respectively clamped by the upper clamping jaw and the lower clamping jaw, in order to keep vertical stable clamping on the arc-shaped straight plate, the vertical telescopic rod is fixedly connected with the upper grabbing arm and the lower grabbing arm to keep the upper grabbing arm and the lower grabbing arm in vertically corresponding position relation, and meanwhile, the vertical telescopic rod has a free telescopic function so that the upper grabbing arm and the lower grabbing arm can move along with the upper chuck and the lower chuck respectively to adjust the distance.
Furthermore, the bottom of the lower clamping jaw is provided with a roller, and the roller drives the lower clamping jaw and the circular arc-shaped straight plate to rotate on the base around the central column. Because the metal circular arc-shaped straight plate is heavier, the rolling of the roller on the upper surface of the base not only can bear the weight of the circular arc-shaped straight plate, but also can ensure that the grabbing component rolls around the circumference more smoothly.
Furthermore, the upper grabbing arm and the lower grabbing arm are correspondingly provided with scale marks for adjusting the telescopic distance. The extending length of the upper and lower grabbing arms can be determined according to the marks of the scale marks, and the radius of the cylinder to be spliced is determined.
Furthermore, the lower chuck is fixedly sleeved at the lower end of the central column, the central column is provided with a slide rail along the column body of the central column, and the upper chuck is connected to the slide rail in a sliding manner.
Further, the straight seam clamping device includes the carousel, centripetal chute and lifting clamp plate, and the carousel core is connected in center post top department, and the carousel can be round center post horizontal rotation, seted up centripetal chute on the quotation of carousel, lifting clamp plate perpendicular to carousel quotation sliding connection is in centripetal chute, and lifting clamp plate can go up and down to move in centripetal chute, the straight line seam department of the convex straight board of two amalgamations of fixed centre gripping. The lifting clamping plates can slide in the centripetal sliding grooves and rotate along with the rotary table to determine the lifting position, and the lifting clamping plates are adjusted to just aim at the joint position of the two arc-shaped straight plates below so as to descend to clamp the joint position.
Furthermore, the lifting clamping plate is provided with four long clamping jaws which vertically face downwards and respectively clamp the inner side faces and the outer side faces of the two arc-shaped straight plates to fix the joint positions of the two arc-shaped straight plates.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses positioner is used for the welding position of circular tuber pipe in vertical straight seam automatic weld machine, and in the straight seam welding, circular tuber pipe is formed by the polylith convex straight board of the same radian of arc amalgamation one by one, and welding construction needs to splice two convex straight boards at every turn, and in this device, the mechanism of amalgamation in advance can be to different length, the convex straight board of different radiuses is amalgamated in advance, and straight seam clamping device can further fix the straight seam amalgamation department of two blocks of panel waited to be under construction after amalgamation in advance is accomplished, places the welder and aims at the welding process, appears sliding between two convex straight boards and becomes flexible and influence welding quality; the positioning device can be used for straight seam welding to position circular pipes with various sizes, can be formed at one time during welding, and is high in welding efficiency and finished product precision.
Drawings
FIG. 1 is a schematic structural view of a positioning device for an automatic straight seam welding machine according to the present invention;
FIG. 2 is a schematic view of the circular arc-shaped straight plate clamped by the pre-splicing mechanism in the positioning device for the automatic straight seam welding machine of the utility model;
FIG. 3 is a structural diagram of a pre-splicing mechanism in a positioning device of the automatic straight seam welding machine of the present invention;
FIG. 4 is a schematic diagram of the action of the lifting clamping plate clamping two arc-shaped straight plates in the positioning device for the automatic straight seam welding machine of the present invention;
labeled as: the device comprises a straight seam clamping device 1, a rotary table 11, a centripetal chute 12, a lifting clamping plate 13, a long clamping jaw 131, a pre-splicing mechanism 2, a central column 21, a sliding rail 211, an upper clamping chuck 22, a lower clamping chuck 23, a grabbing assembly 24, an upper grabbing arm 241, an upper grabbing jaw 241-a, a lower grabbing arm 242, a lower grabbing jaw 242-a, a roller 242-b, a vertical telescopic rod 243, a scale mark 25, a base 3 and an arc-shaped straight plate 4.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in figures 1-4 the utility model discloses a positioner for straight seam automatic weld machine, including base 3, the amalgamation mechanism 2 and the straight seam clamping device 1 of concentric setting, wherein amalgamation mechanism 2 sets up on base 3 in advance, and straight seam clamping device 1 sets up in advance amalgamation mechanism 2 top.
The base 3 is placed on the ground, the pre-splicing mechanism 2 comprises a central column 21 fixedly arranged at the center of the base 3, an upper chuck 22 and a lower chuck 23, the upper chuck 22 and the lower chuck 23 are sleeved on the central column 21, the central column 21 is provided with a sliding rail 211 along the column body of the central column 21, the lower chuck 23 is fixedly sleeved at the lower end of the central column 21, the upper chuck 22 is connected to the central column 21 in a sliding mode through the sliding rail 211, and the upper chuck 22 slides up and down to adjust the distance between the upper chuck and the lower chuck 23.
The upper chuck 22 and the lower chuck 23 are provided with sliding rails around the circumference, the upper chuck 22 and the lower chuck 23 are connected through two groups of grabbing components 24, and each group of grabbing components 24 can grab a circular arc-shaped straight plate 4 longitudinally; specifically, the grabbing assembly 24 comprises an upper grabbing arm 241 and a lower grabbing arm 242, the upper grabbing arm 241 and the lower grabbing arm 242 are both of telescopic structures, the rear end of the upper grabbing arm 241 is slidably connected to the outer circumference of the upper chuck 22, an upper clamping jaw 241-a with a downward opening is arranged at the front end of the upper grabbing arm 241, the rear end of the lower grabbing arm 242 is slidably connected to the outer circumference of the lower chuck 23, a lower clamping jaw 242-a with an upward opening is arranged at the front end of the lower grabbing arm 242, the middle parts of the upper grabbing arm 241 and the lower grabbing arm 242 are fixedly connected through a vertical telescopic rod 243, and the upper clamping jaw 241-a and the lower clamping jaw 242-a which are correspondingly arranged can clamp the upper arc edge and the lower arc edge of the arc-shaped straight plate 4.
In order to clearly grasp the telescopic length of the upper gripping arm 241 and the lower gripping arm 242, the upper gripping arm 241 and the lower gripping arm 242 are correspondingly provided with scale marks 25 for adjusting the telescopic distance. The bottom of the lower clamping jaw 242-a is provided with a roller 242-b, and the roller 242-b drives the lower clamping jaw 242-a and the circular arc-shaped straight plate 4 to rotate on the base 3 around the central column 21.
The straight seam clamping device 1 comprises a rotary table 11, a centripetal sliding groove 12 and a lifting clamping plate 13, wherein the core of the rotary table 11 is connected to the top end of a central column 21, the rotary table 11 can rotate horizontally around the central column 21, the centripetal sliding groove 12 is formed in the disc surface of the rotary table 11, the lifting clamping plate 13 is perpendicular to the disc surface of the rotary table 11 and is connected in the centripetal sliding groove 12, the lifting clamping plate 13 can move in the centripetal sliding groove 12 in a lifting mode, and the straight seam of two spliced circular arc straight plates 4 is fixedly clamped.
The lifting clamping plate 13 can slide in the centripetal sliding groove 12 and rotate along with the rotary table 11 respectively to determine the lifting position of the lifting clamping plate, the lifting clamping plate 13 is adjusted to just aim at the joint position of the two arc-shaped straight plates 4 below to descend to clamp the joint position, the lifting clamping plate 13 is provided with four long clamping jaws 131 which vertically face downwards, the inner side faces and the outer side faces of the two arc-shaped straight plates 4 are clamped respectively, and the joint positions of the two arc-shaped straight plates are fixed.
The utility model discloses an operation process: the two arc-shaped straight plates 4 to be spliced have the same radius, the radius of the arc-shaped straight plates 4 is firstly determined, then the distance between the two groups of upper clamping jaws 241-a and lower clamping jaws 242-a and the axis of the central column 21 is adjusted, and the distance is adjusted by the scale mark 25 to be equal to the radius of the arc-shaped straight plates 4; then the upper chuck 22 rises to make a distance for placing the circular arc-shaped straight plates 4, the two circular arc-shaped straight plates 4 are respectively placed on the two lower clamping jaws 242-a, the upper chuck 22 descends, the two upper clamping jaws 241-a clamp the upper arc edges of the circular arc-shaped straight plates 4 from the upper parts, and then the two groups of grabbing components 24 are pushed to enable the two circular arc-shaped straight plates 4 to move oppositely until the two circular arc-shaped straight plates 4 are spliced and abutted; the rotating disc 11 is rotated to enable the position of the centripetal chute 12 to be just aligned with the straight seam splicing position at the bottom, the lifting clamping plate 13 moves in the centripetal chute 12, the lifting clamping plate 13 descends when the lifting clamping plate 13 is aligned with the straight seam splicing position, the four long clamping jaws 131 respectively clamp the inner side and the outer side of the two arc-shaped straight plates 4, and the lifting clamping plate 13 keeps a clamping state in the welding process until the welding is finished.
The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A positioner for transversal joint automatic weld machine, its characterized in that: the device comprises a base, a pre-splicing mechanism and a straight seam clamping device which are concentrically arranged, wherein the pre-splicing mechanism is arranged on the base, and the straight seam clamping device is arranged above the pre-splicing mechanism; the pre-splicing mechanism comprises a central column fixedly arranged at the center of the base, an upper chuck and a lower chuck, the upper chuck and the lower chuck are sleeved on the central column, the distance between the upper chuck and the lower chuck is adjustable, the upper chuck and the lower chuck are connected through two sets of grabbing components, each group of grabbing components can vertically grab a circular arc straight plate, the grabbing components can adjust the distance between the circular arc straight plates and the central column, and the two sets of grabbing components respectively grab a circular arc straight plate to rotate around the central column until straight edges of the two circular arc straight plates are correspondingly attached to achieve splicing.
2. The positioning device for the automatic straight seam welding machine according to claim 1, characterized in that: the grabbing component comprises an upper grabbing arm and a lower grabbing arm, the upper grabbing arm and the lower grabbing arm are of telescopic structures, the rear end of the upper grabbing arm is connected to the outer circumference of an upper chuck in a sliding mode, an upper clamping jaw with a downward opening is arranged at the front end of the upper grabbing arm, the rear end of the lower grabbing arm is connected to the outer circumference of a lower chuck in a sliding mode, a lower clamping jaw with an upward opening is arranged at the front end of the lower grabbing arm, the middle portions of the upper grabbing arm and the lower grabbing arm are fixedly connected through a vertical telescopic rod, and the upper clamping jaw and the lower clamping jaw which are correspondingly arranged can clamp the upper arc edge and the lower arc edge of a circular arc straight plate.
3. The positioning device for the automatic straight seam welding machine according to claim 2, characterized in that: the bottom of the lower clamping jaw is provided with a roller wheel, and the roller wheel drives the lower clamping jaw and the circular arc-shaped straight plate to rotate on the base around the central column.
4. The positioning device for the automatic straight seam welding machine according to claim 2, characterized in that: and the upper grabbing arm and the lower grabbing arm are correspondingly provided with scale marks for adjusting the telescopic distance.
5. The positioning device for the automatic straight seam welding machine according to claim 1, characterized in that: the lower chuck is fixedly sleeved at the lower end of the central column, the central column is provided with a slide rail along the column body of the central column, and the upper chuck is connected to the slide rail in a sliding manner.
6. The positioning device for the automatic straight seam welding machine according to claim 1, characterized in that: the straight seam clamping device comprises a rotary table, a centripetal sliding groove and a lifting clamp plate, wherein the rotary table core is connected to the top end of a central column, the rotary table can rotate horizontally around the central column, the centripetal sliding groove is formed in the disc surface of the rotary table, the disc surface of the lifting clamp plate perpendicular to the rotary table is connected to the centripetal sliding groove in a sliding mode, the lifting clamp plate can move in the centripetal sliding groove in a lifting mode, and the straight seam of two spliced circular arc straight plates is fixedly clamped.
7. The positioning device for the automatic straight seam welding machine according to claim 6, characterized in that: the lifting clamping plate is provided with four long clamping jaws which vertically face downwards and respectively clamp the inner side faces and the outer side faces of the two arc-shaped straight plates to fix the joint positions of the two arc-shaped straight plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120744434.8U CN215091758U (en) | 2021-04-12 | 2021-04-12 | Positioning device for automatic straight seam welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120744434.8U CN215091758U (en) | 2021-04-12 | 2021-04-12 | Positioning device for automatic straight seam welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215091758U true CN215091758U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120744434.8U Active CN215091758U (en) | 2021-04-12 | 2021-04-12 | Positioning device for automatic straight seam welding machine |
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| Country | Link |
|---|---|
| CN (1) | CN215091758U (en) |
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2021
- 2021-04-12 CN CN202120744434.8U patent/CN215091758U/en active Active
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Address after: 213000 No. 9, Dongqu Road, qujia village, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Leimeng (Changzhou) Equipment Co.,Ltd. Address before: 213000 No. 9, Dongqu Road, qujia village, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Leimeng electromechanical equipment installation Co.,Ltd. |