CN210649136U

CN210649136U - Half-pipe welding device

Info

Publication number: CN210649136U
Application number: CN201920892959.9U
Authority: CN
Inventors: 冯华兴; 徐超; 秦晓东
Original assignee: Wuxi Jinhongying Automation Co ltd
Current assignee: Wuxi Jinhongying Automation Co ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-06-02
Anticipated expiration: 2029-06-13

Abstract

The utility model belongs to the welding equipment field aims at providing a half width of cloth pipe welding set, and its technical scheme main points are including the machine of shifting that is used for spacing work piece, with machine parallel arrangement's ground rail, slide on the ground rail and be connected with the arm, arm one end is equipped with fine-tuning, welder arranges fine-tuning in and deviates from arm one end, cooperate pivoted scope to cover any coordinate face of three-dimensional cartesian coordinate system between fine-tuning and the arm.

Description

Half-pipe welding device

Technical Field

The utility model relates to a welding equipment, in particular to half width of cloth pipe welding set.

Background

The pipe welding is one of welding work in which the difficulty is greater than plane welding, and the precision requirement is higher. Common welding modes, especially in small and medium-sized enterprises, are mainly manual welding by workers.

However, when such manual welding is applied to a part requiring high accuracy, the requirement for welding skill of a worker is extremely high, and if a deviation occurs, the weld is likely to be uneven.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a half width of cloth pipe welding set has the advantage that can improve welding precision.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a half width of cloth pipe welding set, is including the machine of shifting that is used for spacing work piece, with machine parallel arrangement's ground rail, it is connected with the arm to slide on the ground rail, and arm one end is equipped with fine-tuning, welder arranges in that fine-tuning deviates from arm one end, cooperation pivoted scope covers any coordinate plane of three-dimensional cartesian coordinate system between fine-tuning and the arm.

By adopting the technical scheme, when the welding machine is used, a workpiece is clamped by the positioner, the position of the workpiece is adjusted by the positioner, the mechanical arm is started after the relative position of the workpiece is kept, the relative position of the mechanical arm and a part to be welded is adjusted by the welding gun on the mechanical arm before welding, then the welding gun is started, and the positioner rotates the workpiece or the mechanical arm slides on the ground rail to weld. The adjusting position of the welding gun can be adjusted at any position of the three-dimensional coordinate system so as to achieve the purpose of expected accurate adjustment.

Furthermore, the fine adjustment mechanism comprises a substrate and welding gun holding parts positioned at two ends of the substrate, wherein the welding gun holding parts are arranged at two ends of the substrate in a mirror image mode, the mirror image reference is the plane where two diagonal intersection points of the substrate are located, and the plane is perpendicular to the plane where the substrate is located.

Furthermore, the welding gun holding part comprises a branch supporting plate connected with the substrate and a connecting box connected with the branch plate and extending out of the edge of the substrate, a sliding block is movably connected on the branch supporting plate, and the welding gun is connected with the sliding block.

Further, the sliding path of the sliding block is parallel to the ground rail.

Furthermore, the mechanical arm comprises a first rotating arm connected with the fine adjustment mechanism, a second rotating arm in rotating connection with the first rotating arm, a third rotating arm positioned at one end of the second rotating arm, which is far away from the first rotating arm, and a base positioned at one end of the third rotating arm, which is far away from the second rotating arm, wherein the rotating ranges of the first rotating arm, the second rotating arm and the third rotating arm at least fall into two coordinate planes of a three-dimensional Cartesian coordinate system, and the two coordinate planes are perpendicular to the coordinate plane of the ground rail.

By adopting the technical scheme, the first rotating arm, the second rotating arm and the third rotating arm form a complete Cartesian three-dimensional coordinate system together with the plane of the ground rail in two planes in which the first rotating arm, the second rotating arm and the third rotating arm rotate.

Furthermore, the second rotating arm can rotate by taking the end part of the third rotating arm as a reference, and can also rotate by taking the central axis of the second rotating arm as a reference.

Further, a support used for increasing the vertical height of the welding gun is arranged between the base and the ground rail, and the bottom of the support is connected with the ground rail in a sliding mode at a constant speed.

By adopting the technical scheme, in the welding process, the welding gun is moved at a constant speed, which is one of basic requirements for keeping the welding seam uniform, and the welding gun can be driven to weld the uniform welding seam by sliding at the constant speed.

Further, the length of the first rotating arm is shortest, and the length of the third rotating arm is longest.

By adopting the technical scheme, in the process of rotating the first rotating arm, the second rotating arm and the third rotating arm, the rotation of the third rotating arm is equivalent to controlling the whole direction, the rotation of the first rotating arm is equivalent to small-range adjustment and is matched with a fine adjustment mechanism for use, and the purpose of multi-angle accurate adjustment is achieved.

Furthermore, be equipped with the laser tracker of the location of being convenient for on the arm.

Through adopting above-mentioned technical scheme, come the relative position relation of location welder and the part of waiting to weld through the laser tracker, can in time give operating personnel feedback in welding process, when controlling the precision, in case the deviation appears, can braking equipment at once, reduce the wrong cost of welding.

Drawings

Fig. 1 is a schematic configuration diagram for embodying the entirety of the apparatus;

FIG. 2 is a schematic structural diagram for embodying a fine adjustment mechanism;

FIG. 3 is a schematic view of a structure for embodying a grip of the welding gun;

fig. 4 is an enlarged view of a portion a of fig. 3 for showing the relative position of the slide block.

In the figure, 1, a position changing machine; 2. a ground rail; 3. a mechanical arm; 31. a first rotating arm; 32. a second rotating arm; 33. a third rotating arm; 4. a fine adjustment mechanism; 41. a substrate; 42. a welding gun holding part; 421. a branch support plate; 422. a connection box; 423. a sliding block; 5. a base; 6. a support; 7. laser tracker.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The utility model provides a half width of cloth pipe welding set, is including the machine of shifting 1 that is used for spacing work piece, with the ground rail 2 of machine of shifting 1 parallel arrangement, and ground rail 2 slides upward and is connected with arm 3, and the constant velocity slides between arm 3 and the ground rail 2 and is connected, and its phenomenon of sliding at the constant velocity is realized through rack and pinion. A rack is arranged on the ground rail 2, a gear driven by a motor is arranged at the bottom of the mechanical arm 3, and the uniform transmission between the gear and the rack is converted into the uniform motion between the ground rail 2 and the mechanical arm 3.

One end of the mechanical arm 3 is provided with a fine adjustment mechanism 4, the welding gun is arranged at one end of the fine adjustment mechanism 4, which is far away from the mechanical arm 3, and the range of the matching rotation between the fine adjustment mechanism 4 and the mechanical arm 3 covers any coordinate surface of the three-dimensional Cartesian coordinate system. The structure for achieving the purpose is as follows:

the fine adjustment mechanism 4 comprises a substrate 41 and welding gun holding parts 42 positioned at two ends of the substrate 41, wherein the welding gun holding parts 42 face the positioner 1 and parts to be welded clamped by the positioner 1; the welding gun holding parts 42 are arranged at two ends of the substrate 41 in a mirror image mode, the mirror image reference is the plane of the intersection point of two diagonal lines of the substrate 41, and the plane is perpendicular to the plane of the substrate 41.

The welding gun holding part 42 comprises a branch plate 421 connected with the substrate 41 and a connecting box 422 connected with the branch plate 421 and extending out of the edge of the substrate 41, a sliding block 423 is movably connected on the branch plate 421, and the welding gun is connected with the sliding block 423. The middle position of the branch support plate 421 is provided with a shaft parallel to the long side of the rectangular branch support plate 421, the sliding block 423 is sleeved on the shaft, in order to improve the limiting force, the shaft is provided with an electromagnet, and after the electromagnetic field is generated by electrifying, the metal sliding block 423 can be firmly adsorbed.

The initial position of the shaft on the branching plate 421 is set to be parallel to the ground rail 2, and thus the sliding path of the sliding block 423 is parallel to the ground rail 2 on the premise that only the vertical height of the robot arm 3 is adjusted.

The mechanical arm 3 comprises a first rotating arm 31 connected with the fine adjustment mechanism 4, a second rotating arm 32 rotatably connected with the first rotating arm 31, a third rotating arm 33 positioned at one end of the second rotating arm 32, which is far away from the first rotating arm 31, and a base 5 positioned at one end of the third rotating arm 33, which is far away from the second rotating arm 32, wherein the rotating ranges of the first rotating arm 31, the second rotating arm 32 and the third rotating arm 33 at least fall into two coordinate planes of a three-dimensional Cartesian coordinate system, and the two coordinate planes are perpendicular to the coordinate plane of the ground rail 2.

The second arm 32 can be rotated with reference to the end of the third arm 33 and also can be rotated with reference to its center axis. The first pivot arm 31 has the shortest length and the third pivot arm 33 has the longest length.

Be equipped with between base 5 and ground rail 2 and be used for increasing welder vertical height's support 6, the constant velocity is slided between 6 bottoms of support and the ground rail 2 and is connected. The purpose of uniform-speed sliding connection in the embodiment is realized by using the drag chain, the drag chain falls on the concave position on the ground rail 2 when being laid on a flat surface, one end of the drag chain is connected with the bottom of the support 6, and the drag chain moves together with the support 6 when the support 6 moves. Since the drag chain is a common technical means in the field, it is not described herein in detail.

And the mechanical arm 3 is provided with a laser tracker 7 convenient for positioning. The laser tracker 7 is always in a starting state in the welding process and used for calibrating whether the welding position is accurate or not, and once deviation occurs, the equipment is braked and realigned.

When the welding machine works, the part to be welded is clamped by the positioner 1, the initial relative position between the mechanical arm 3 and the part to be welded is adjusted, the welding gun is started, the positioner 1 rotates a workpiece, or the mechanical arm 3 slides on the ground rail 2 to be welded. The adjusting position of the welding gun can be adjusted at any position of the three-dimensional coordinate system so as to accurately control the uniformity degree and the welding position of the welding seam.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a half width of cloth pipe welding set which characterized in that: including the machine of shifting (1) that is used for spacing work piece, with machine of shifting (1) parallel arrangement's ground rail (2), slide on ground rail (2) and be connected with arm (3), arm (3) one end is equipped with fine-tuning (4), and welder arranges in fine-tuning (4) and deviates from arm (3) one end, cooperation pivoted scope covers any coordinate face of three-dimensional cartesian coordinate system between fine-tuning (4) and arm (3).

2. The half-width pipe welding device according to claim 1, wherein: the fine adjustment mechanism (4) comprises a substrate (41) and welding gun holding parts (42) located at two ends of the substrate (41), wherein the welding gun holding parts (42) are arranged at two ends of the substrate (41) in a mirror image mode, the mirror image reference is the plane where two diagonal intersection points of the substrate (41) are located, and the plane is perpendicular to the plane where the substrate (41) is located.

3. The half-pipe welding apparatus according to claim 2, wherein: the welding gun holding part (42) comprises a branch supporting plate (421) connected with the substrate (41) and a connecting box (422) connected with the branch supporting plate (421) and extending out of the edge of the substrate (41), a sliding block (423) is movably connected to the branch supporting plate (421), and the welding gun is connected with the sliding block (423).

4. The half-pipe welding apparatus according to claim 3, wherein: the sliding path of the sliding block (423) is parallel to the ground rail (2).

5. The half-width pipe welding device according to claim 1, wherein: the mechanical arm (3) comprises a first rotating arm (31) connected with the fine adjustment mechanism (4), a second rotating arm (32) rotatably connected with the first rotating arm (31), a third rotating arm (33) located at one end, deviating from the first rotating arm (31), of the second rotating arm (32), and a base (5) located at one end, deviating from the second rotating arm (32), of the third rotating arm (33), wherein the rotating ranges of the first rotating arm (31), the second rotating arm (32) and the third rotating arm (33) at least fall into two coordinate surfaces of a three-dimensional Cartesian coordinate system, and the two coordinate surfaces are perpendicular to the coordinate surface where the ground rail (2) is located.

6. The half-width pipe welding device according to claim 5, wherein: the second rotating arm (32) can rotate by taking the end part of the third rotating arm (33) as a reference, and can also rotate by taking the central axis of the second rotating arm as a reference.

7. The half-width pipe welding device according to claim 5, wherein: a support (6) used for increasing the vertical height of the welding gun is arranged between the base (5) and the ground rail (2), and the bottom of the support (6) is connected with the ground rail (2) in a sliding mode at a constant speed.

8. The half-width pipe welding device according to claim 5, wherein: the first rotating arm (31) is shortest in length, and the third rotating arm (33) is longest in length.

9. The half-width pipe welding device according to claim 1, wherein: and a laser tracker (7) convenient for positioning is arranged on the mechanical arm (3).