Butt welding clamping device convenient to position

Abstract

The utility model discloses a clamping device convenient to position for butt welding, which belongs to the technical field of welding equipment.The clamping device convenient to position for butt welding comprises a workbench, and a tool alignment mechanism is mounted on the upper side of the workbench; the tool alignment mechanism comprises an alignment driving device and a tool device, and the alignment driving device is installed on the inner top of the workbench. The tool devices are installed at the upper end of the workbench in a bilateral symmetry mode and connected to the upper end of the alignment driving device. A rotary butt welding mechanism is installed on the front side of the upper end of the workbench, and an auxiliary positioning mechanism is installed on the rear side of the upper end of the workbench. By means of the mode, the alignment driving device drives the tool device to clamp the steel pipes and achieve alignment between the steel pipes, the working procedure is simplified, the continuity and smoothness of welding operation are improved, and the welding efficiency is improved; the rotary butt welding mechanism achieves multi-angle and large-range uniform welding of the steel pipe, the welding speed is increased, the welding uniformity is improved, and therefore the welding efficiency and the welding effect are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a butt welding clamping device which is convenient for positioning. Background Art

[0002] The field of welding equipment technology is a broad field covering a variety of technologies and equipment. It continues to progress and innovate with the development of the manufacturing industry. Welding equipment technology is widely used in various fields such as automobile manufacturing, aerospace and construction engineering.

[0003] Chinese patent CN209335033U discloses a metal pipe butt welding fixture, which belongs to the field of welding fixtures and includes a base, a first pipe clamp and a second pipe clamp; a support leg is welded at the lower part of the base, a slide rail is provided on the base, the first pipe clamp and the second pipe clamp are installed on the slide rail, a first baffle and a second baffle are provided at both ends of the base respectively, a support seat is provided in the middle of the base, a first screw rod is installed between the first baffle and the second baffle, the first screw rod passes through the support seat, the first pipe clamp and the second pipe clamp, the first pipe clamp and the second pipe clamp are connected to the first screw rod by threads, and a first hand wheel is provided on the right side of the first screw rod. The utility model has a simple structure, fast clamping, easy operation, and improved work efficiency; a gasket is provided in the pipe clamping groove for stable clamping to prevent scratches on the surface of the pipe fitting; by turning the hand wheel, the two pipe clamps move synchronously, the pipe fittings are quickly docked and accurately positioned; casters are provided at the bottom of the support leg for easy movement. However, the following problems still exist in the butt welding fixture:

[0004] 1. The butt welding fixture requires manual rotation of the second hand wheel to drive the mobile clamp to clamp the fixed metal pipe. The metal pipes are moved closer by rotating the first hand wheel, which reduces the efficiency of butt welding.

[0005] 2. The butt welding fixture can only realize the clamping and alignment of metal pipes, and other devices are required to assist in welding, which is not conducive to improving the efficiency of butt welding.

[0006] Based on this, the utility model designs a butt welding clamping device which is easy to position to solve the above problems. Utility Model Content

[0007] In view of the above-mentioned shortcomings of the prior art, the utility model provides a butt welding clamping device which is easy to position.

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A butt welding clamping device that is easy to position, comprising a workbench, on the upper side of which is mounted a tooling alignment mechanism for fixing and aligning a steel pipe;

[0010] The tooling alignment mechanism includes an alignment drive device and two sets of tooling devices. The alignment drive device for driving all tooling devices is installed on the inner top of the workbench; the tooling devices are installed on the upper end of the workbench symmetrically, and the tooling devices are connected to the upper end of the alignment drive device. The tooling devices are used to place and clamp the steel pipe;

[0011] A rotary butt welding mechanism for welding steel pipes is installed on the front side of the upper end of the workbench, and an auxiliary positioning mechanism for positioning the steel pipes is installed on the rear side of the upper end of the workbench;

[0012] Furthermore, the tooling device includes a linear slide rail, a fixed clamp block, a movable clamp block, a limit block, a limit slot and a fixed block. The linear slide rail is fixedly connected to the upper end of the workbench; the fixed clamp block is fixedly connected to the upper end of the slider of the linear slide rail; the limit block is fixedly connected to the front and rear side walls of the fixed clamp block; a limit slot is provided on the limit block; the front and rear side walls of the movable clamp block are fixedly connected with a fixed block, and the fixed block slides in contact with the inner wall of the limit slot.

[0013] Furthermore, the upper end of the fixed clamping block and the lower end of the movable clamping block are provided with "V"-shaped grooves that cooperate with each other to clamp the steel pipe.

[0014] Furthermore, the positioning drive device includes a cylinder 1, a connecting block, a connecting rod, a slide groove and a rotating shaft. A slide groove is opened on the upper end of the workbench, and the slide grooves are opened symmetrically on both sides of the linear slide rail; cylinder 1 is fixedly connected to the inner top of the workbench; the output end of cylinder 1 is fixedly connected to the connecting block; the front and rear side walls of the connecting block are hinged with multiple connecting rods, one end of the connecting rod is hinged to the connecting block, and the other end of the connecting rod passes through the slide groove and is rotatably connected to the rotating shaft, and the side wall of the movable clamping block is fixedly connected to the end of the rotating shaft.

[0015] Furthermore, the rotary butt welding mechanism includes a rotary drive device and a butt welding device for welding the steel pipe connection. The rotary drive device for driving the butt welding device is installed at the upper end of the workbench, and the butt welding device is installed on the upper side of the rotary drive device.

[0016] Furthermore, the rotation drive device includes a fixed platform, a motor and a driving gear, the fixed platform is fixedly connected to the upper end of the workbench; the motor is fixedly connected to the upper end of the fixed platform, and the driving gear is fixedly connected to the output end of the motor.

[0017] Furthermore, the butt welding device includes a column, a support block, a clearance groove, a driven gear, a support roller, an annular bracket, a tooth groove and a welding head. The two columns are fixedly connected to the upper end of the workbench, the support block is fixedly connected to the side wall of the column, and a clearance groove for installing the driven gear is provided on the inner side of the support block; the driven gear is rotatably connected to the inner wall of the clearance groove, and the driven gear is meshed with the driving gear; a plurality of support rollers are rotatably connected to the inner wall of the clearance groove, and the support rollers cooperate with the support block to support the annular bracket; the annular bracket is slidably connected to the support block, and the side wall of the annular bracket slides in contact with the inner wall of the clearance groove; the outer wall of the annular bracket is provided with a tooth groove corresponding to the driven gear, and the driven gear is meshed with the tooth groove; the inner wall of the annular bracket is fixedly connected to a number of welding heads in a uniform circular array.

[0018] Furthermore, the auxiliary positioning mechanism includes a vertical frame, cylinder 2 and a positioning frame for positioning the steel pipe. The vertical frame is fixedly connected to the rear side of the upper end of the workbench; cylinder 2 is fixedly connected to the upper end of the vertical frame; the output end of cylinder 2 is fixedly connected to the positioning frame, and the positioning frame is a "U"-shaped frame.

[0019] Compared with the existing technology, the utility model has the following beneficial effects: 1. The auxiliary positioning mechanism is used to position the steel pipe, ensuring that the welding position is the joint between the ends of the steel pipe. The positioning drive device drives the tooling device to clamp the steel pipe and realize the alignment between the steel pipes, which simplifies the process, reduces manual intervention, improves the continuity and smoothness of the welding operation, and improves the welding operation efficiency;

[0020] 2. The rotary butt welding mechanism realizes uniform welding of steel pipes in a wide range of multiple angles, increases welding speed and welding uniformity, and thus effectively improves welding efficiency and welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0022] Figure 1 This is a three-dimensional clamping device for butt welding that is easy to position. Figure 1 ;

[0023] Figure 2 This is a front view of a butt welding clamping device that is easy to position according to the utility model;

[0024] Figure 3 This is a right side view of a butt welding clamping device that is easy to position according to the utility model;

[0025] Figure 4To follow Figure 2 AA direction cross-sectional view;

[0026] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0027] Figure 6 This is a three-dimensional clamping device for butt welding that is easy to position. Figure 2 ;

[0028] Figure 7 for Figure 6 Enlarged view of point C in the middle;

[0029] Figure 8 for Figure 6 Enlarged view of point D in the middle;

[0030] Figure 9 This is a three-dimensional clamping device for butt welding that is easy to position. Figure 3 .

[0031] The numbers in the figure represent:

[0032] 10. Workbench; 11. Steel pipe; 2. Tooling alignment mechanism; 21. Alignment drive device; 211. Cylinder 1; 212. Connecting block; 213. Connecting rod; 214. Slide; 215. Rotating shaft; 22. Tooling device; 221. Linear slide; 222. Fixed clamping block; 223. Moving clamping block; 224. Limiting block; 225. Limiting slot; 226. Fixed block; 3. Rotary butt welding mechanism; 31. Rotary drive device; 311. Fixed table; 312. Motor; 313. Driving gear; 32. Butt welding device; 321. Column; 322. Support block; 323. Gap; 324. Driven gear; 325. Support roller; 326. Annular bracket; 327. Tooth groove; 328. Welding head; 4. Auxiliary positioning mechanism; 41. Stand; 42. Cylinder 2; 43. Positioning frame. DETAILED DESCRIPTION

[0033] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0034] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figures 1-8 A clamping device for butt welding that is easy to adjust includes a workbench 10,

[0036] The upper side of the workbench 10 is equipped with a tooling alignment mechanism 2 for fixing and aligning the steel pipe 11;

[0037] The tooling alignment mechanism 2 includes an alignment drive device 21 and two sets of tooling devices 22. The alignment drive device 21 for driving all tooling devices 22 is installed on the inner top of the workbench 10; the tooling devices 22 are installed on the upper end of the workbench 10 symmetrically, and the tooling devices 22 are connected to the upper end of the alignment drive device 21. The tooling devices 22 are used to place and clamp the steel pipe 11;

[0038] A rotary butt welding mechanism 3 for welding the steel pipe 11 is installed on the front side of the upper end of the workbench 10 , and an auxiliary positioning mechanism 4 for positioning the steel pipe 11 is installed on the rear side of the upper end of the workbench 10 .

[0039] In the present invention, the operator places the steel pipe 11 on the tooling device 22. After the steel pipe 11 is positioned by the auxiliary positioning mechanism 4, the positioning drive device 21 drives the tooling device 22 to clamp the steel pipe 11 and continuously move it closer; when the ends of the steel pipe 11 are in contact with each other, the rotary butt welding mechanism 3 automatically welds the contact parts of the steel pipe 11.

[0040] In the present invention, the steel pipe 11 is positioned by the auxiliary positioning mechanism 4 to ensure that the welding position is the fitting position between the ends of the steel pipe 11; the positioning drive device 21 drives the tooling device 22 to clamp the steel pipe 11 and realize the positioning between the steel pipes 11, which simplifies the process, reduces manual intervention, improves the continuity and smoothness of the welding operation, and improves the welding operation efficiency; the rotary butt welding mechanism 3 realizes uniform welding of the steel pipe 11 in a wide range of multiple angles, increases the welding speed and welding uniformity, thereby effectively improving the welding efficiency and welding effect.

[0041] The tooling device 22 includes a linear slide 221, a fixed clamping block 222, a movable clamping block 223, a limit block 224, a limit groove 225 and a fixed block 226. The linear slide 221 is fixedly connected to the upper end of the workbench 10; the fixed clamping block 222 is fixedly connected to the upper end of the slider of the linear slide 221; the limit block 224 is fixedly connected to the front and rear side walls of the fixed clamping block 222; a limit groove 225 is provided on the limit block 224; the front and rear side walls of the movable clamping block 223 are fixedly connected to the fixed block 226, and the fixed block 226 slides in contact with the inner wall of the limit groove 225; the upper end of the fixed clamping block 222 and the lower end of the movable clamping block 223 are provided with "V"-shaped grooves that cooperate with each other to clamp the steel pipe 11;

[0042] The alignment drive device 21 includes a cylinder 211, a connecting block 212, a connecting rod 213, a slide 214 and a rotating shaft 215. The upper end of the workbench 10 is provided with a slide 214, and the slide 214 is symmetrically provided on both sides of the linear slide rail 221; the cylinder 211 is fixedly connected to the inner top of the workbench 10; the output end of the cylinder 211 is fixedly connected to the connecting block 212; the front and rear side walls of the connecting block 212 are hinged with a plurality of connecting rods 213, one end of the connecting rod 213 is hinged to the connecting block 212, and the other end of the connecting rod 213 passes through the slide 214 and is rotatably connected to the rotating shaft 215, and the side wall of the movable clamping block 223 is fixedly connected to the end of the rotating shaft 215;

[0043] The auxiliary positioning mechanism 4 includes a vertical frame 41, a second cylinder 42 and a positioning frame 43 for positioning the steel pipe 11. The vertical frame 41 is fixedly connected to the rear side of the upper end of the workbench 10; the second cylinder 42 is fixedly connected to the upper end of the vertical frame 41; the output end of the second cylinder 42 is fixedly connected to the positioning frame 43, and the positioning frame 43 is a "U"-shaped frame.

[0044] When the pipe 11 is welded, the output end of the cylinder 211 moves upward to drive the connecting block 212, the connecting rod 213, the movable clamping block 223 and the fixed clamping block 222 to reset, thereby releasing the pipe 11.

[0045] In the utility model, cylinder 2 42 drives the positioning frame 43 to move to achieve auxiliary positioning, which is convenient for operation and ensures that the welding position is the fitting position between the ends of the steel pipe 11; the output end of cylinder 1 211 moves downward to achieve automatic clamping and alignment of the steel pipe 11, and the output end of cylinder 1 211 moves upward to achieve the release of the steel pipe 11, which simplifies the process, reduces manual intervention, improves the continuity and smoothness of the welding operation, and improves the welding operation efficiency.

[0046] The rotary butt welding mechanism 3 includes a rotary drive device 31 and a butt welding device 32 for welding the connection of the steel pipe 11. The rotary drive device 31 for driving the butt welding device 32 is installed at the upper end of the workbench 10, and the butt welding device 32 is installed on the upper side of the rotary drive device 31.

[0047] The rotation drive device 31 includes a fixed platform 311, a motor 312 and a driving gear 313. The fixed platform 311 is fixedly connected to the upper end of the workbench 10; the motor 312 is fixedly connected to the upper end of the fixed platform 311, and the driving gear 313 is fixedly connected to the output end of the motor 312;

[0048] The butt welding device 32 includes a column 321, a support block 322, a clearance groove 323, a driven gear 324, a support roller 325, an annular bracket 326, a tooth groove 327 and a welding head 328. The two columns 321 are fixedly connected to the upper end of the workbench 10, the support block 322 is fixedly connected to the side wall of the column 321, and a clearance groove 323 for installing the driven gear 324 is opened on the inner side of the support block 322; the driven gear 324 is rotatably connected to the inner wall of the clearance groove 323, and the driven gear 324 is rotatably connected to the driving gear 31 3 meshing connection; a plurality of support rollers 325 are rotatably connected to the inner wall of the clearance groove 323, and the support rollers 325 cooperate with the support block 322 to support the annular bracket 326; the annular bracket 326 is slidably connected to the support block 322, and the side wall of the annular bracket 326 slides in contact with the inner wall of the clearance groove 323; the outer wall of the annular bracket 326 is provided with a tooth groove 327 corresponding to the driven gear 324, and the driven gear 324 is meshed with the tooth groove 327; the inner wall of the annular bracket 326 is fixedly connected to a plurality of welding heads 328 in a uniform circular array.

[0049] In the present invention, when the ends of the steel pipe 11 are tightly fitted, the output end of the motor 312 drives the driven gear 324 to rotate inside the clearance groove 323 through the driving gear 313, and the driven gear 324 drives the annular bracket 326 to rotate through the tooth groove 327. The annular bracket 326 rotates under the limiting action of the support block 322 and the support roller 325, and the support roller 325 and the annular bracket 326 are in contact and roll, and at the same time, the welding head 328 welds the fitting part of the steel pipe 11;

[0050] In the present invention, driven by the motor 312, the annular bracket 326 rotates and cooperates with the welding head 328 to achieve multi-angle and wide-range uniform welding of the steel pipe 11, increasing the welding speed and welding uniformity, thereby effectively improving the welding efficiency and welding effect.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A butt welding clamping device that is easy to position, comprising a workbench (10), characterized in that: A tooling alignment mechanism (2) for fixing and aligning the steel pipe (11) is installed on the upper side of the workbench (10); The tooling alignment mechanism (2) comprises an alignment drive device (21) and two sets of tooling devices (22), wherein the alignment drive device (21) for driving all tooling devices (22) is installed on the inner top of the workbench (10); the tooling devices (22) are installed on the upper end of the workbench (10) in a bilaterally symmetrical manner, and the tooling devices (22) are connected to the upper end of the alignment drive device (21), and the tooling devices (22) are used to place and clamp the steel pipe (11); A rotary butt welding mechanism (3) for welding a steel pipe (11) is installed on the front side of the upper end of the workbench (10), and an auxiliary positioning mechanism (4) for positioning the steel pipe (11) is installed on the rear side of the upper end of the workbench (10).

2. The butt welding clamping device for facilitating positioning according to claim 1, characterized in that: The tooling device (22) comprises a linear slide rail (221), a fixed clamping block (222), a movable clamping block (223), a limiting block (224), a limiting groove (225) and a fixed block (226), wherein the linear slide rail (221) is fixedly connected to the upper end of the workbench (10); the fixed clamping block (222) is fixedly connected to the upper end of the slider of the linear slide rail (221); the limiting block (224) is fixedly connected to the front and rear side walls of the fixed clamping block (222); the limiting groove (225) is provided on the limiting block (224); the front and rear side walls of the movable clamping block (223) are fixedly connected to the fixed block (226), and the fixed block (226) slides in contact with the inner wall of the limiting groove (225).

3. The butt welding clamping device for facilitating positioning according to claim 2, characterized in that: The upper end of the fixed clamping block (222) and the lower end of the movable clamping block (223) are provided with V-shaped grooves that cooperate with each other to clamp the steel pipe (11).

4. The butt welding clamping device for facilitating positioning according to claim 3, characterized in that: The alignment driving device (21) comprises a cylinder (211), a connecting block (212), a connecting rod (213), a slide groove (214) and a rotating shaft (215); the upper end of the workbench (10) is provided with a slide groove (214), and the slide grooves (214) are symmetrically provided on both sides of the linear slide rail (221); the cylinder (211) is fixedly connected to the inner top of the workbench (10); the output end of the cylinder (211) is fixedly connected to the connecting block (212); a plurality of connecting rods (213) are hinged to the front and rear side walls of the connecting block (212), one end of the connecting rod (213) is hinged to the connecting block (212), and the other end of the connecting rod (213) passes through the slide groove (214) and is rotatably connected to the rotating shaft (215); the side wall of the movable clamping block (223) is fixedly connected to the end of the rotating shaft (215).

5. The butt welding clamping device for facilitating positioning according to claim 4, characterized in that: The rotary butt welding mechanism (3) comprises a rotary drive device (31) and a butt welding device (32) for welding the connection of the steel pipe (11). The rotary drive device (31) for driving the butt welding device (32) is installed on the upper end of the workbench (10), and the butt welding device (32) is installed on the upper side of the rotary drive device (31).

6. The butt welding clamping device for facilitating positioning according to claim 5, characterized in that: The rotary drive device (31) comprises a fixed platform (311), a motor (312) and a driving gear (313); the fixed platform (311) is fixedly connected to the upper end of the workbench (10); the motor (312) is fixedly connected to the upper end of the fixed platform (311), and the driving gear (313) is fixedly connected to the output end of the motor (312).

7. The butt welding clamping device for facilitating positioning according to claim 6, characterized in that: The butt welding device (32) comprises a column (321), a support block (322), a clearance groove (323), a driven gear (324), a support roller (325), an annular bracket (326), a tooth groove (327) and a welding head (328), wherein the two columns (321) are fixedly connected to the upper end of the workbench (10), the support block (322) is fixedly connected to the side wall of the column (321), and a clearance groove (323) for installing the driven gear (324) is provided on the inner side of the support block (322); the driven gear (324) is rotatably connected to the inner wall of the clearance groove (323), and the driven gear (324) is connected to the driving gear (313) meshing connection; the inner wall of the clearance groove (323) is rotatably connected with a plurality of support rollers (325), and the support rollers (325) cooperate with the support block (322) to support the annular bracket (326); the annular bracket (326) is slidably connected to the support block (322), and the side wall of the annular bracket (326) slides in contact with the inner wall of the clearance groove (323); the outer wall of the annular bracket (326) is provided with a tooth groove (327) corresponding to the driven gear (324), and the driven gear (324) is meshingly connected with the tooth groove (327); the inner wall of the annular bracket (326) is fixedly connected with a plurality of welding heads (328) in a uniform circular array.

8. The butt welding clamping device for facilitating positioning according to claim 7, characterized in that: The auxiliary positioning mechanism (4) comprises a stand (41), a second cylinder (42) and a positioning frame (43) for positioning the steel pipe (11), wherein the stand (41) is fixedly connected to the rear side of the upper end of the workbench (10); the second cylinder (42) is fixedly connected to the upper end of the stand (41); the output end of the second cylinder (42) is fixedly connected to the positioning frame (43), and the positioning frame (43) is a "U"-shaped frame.

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