CN212443732U

CN212443732U - Laser positioning device of double-gun automatic welding machine

Info

Publication number: CN212443732U
Application number: CN202020961668.3U
Authority: CN
Inventors: 张新成; 赵小武; 郜海潮
Original assignee: Jiaozuo Jinrui Automation Technology Co ltd
Current assignee: Jiaozuo Jinrui Automation Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-02
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to the field of welding equipment, and discloses a laser positioning device of a double-gun automatic welding machine, which comprises a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism and the second positioning mechanism both comprise a cantilever and a laser emitter mounting frame, and the cantilever is connected with a moving arm through an adjusting device; the top of the laser emitter mounting frame of the second positioning mechanism is connected with the cantilever horizontal flat plate of the second positioning mechanism through an adjusting mechanism. The utility model has the advantages that: simple structure is reasonable, and two positioning mechanism all can realize about from top to bottom the removal regulation, and wherein the fine setting of fore-and-aft direction can also be realized to the laser emitter mounting bracket of second positioning mechanism, has realized first positioning mechanism as the benchmark, and the effect that second positioning mechanism carries out the fine setting has effectively solved the laser calibration of installing on two positioning mechanism and has adjusted more loaded down with trivial details problem.

Description

Laser positioning device of double-gun automatic welding machine

Technical Field

The utility model relates to an automatic weld equipment field, concretely relates to double gun automatic weld machine's laser positioning device.

Background

The double-gun automatic welding machine is an automatic welding machine adopting two welding guns, the two welding guns of the welding machine generally carry out shape following welding and other work synchronously, and in use, welding spots of the two welding guns are flush on an X axis to avoid the dislocation phenomenon of a welding line. To solve this problem, two laser transmitters are commonly used to locate, track, and measure the welding trajectory, so as to improve the accuracy of the adjustment of the welding gun. However, in the daily welding work, the laser positioner is usually fixedly arranged on a movable arm for holding the welding gun, and the structure is troublesome to calibrate and adjust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem and providing a laser positioning device of a double-gun automatic welding machine.

In order to accomplish the above object, the present invention provides the following technical solutions: a laser positioning device of a double-gun automatic welding machine is arranged on a moving arm for clamping a welding gun and comprises a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism and the second positioning mechanism comprise a cantilever and a laser emitter mounting frame, the cantilever is L-shaped and comprises a vertical flat plate and a horizontal flat plate integrally connected and formed with the lower end of the vertical flat plate, two long holes in the vertical direction are formed in the vertical flat plate, two adjusting plates in the horizontal direction are fixedly arranged on the rear end face of the moving arm, a necking groove in the horizontal direction is formed in the adjusting plate, a nut is arranged in the necking groove, and the vertical flat plate and the adjusting plate are in adjustable connection through a bolt penetrating through the long holes; the top of the laser emitter mounting frame of the first positioning mechanism is fixedly connected with a cantilever horizontal flat plate of the first positioning mechanism; the structure can realize the adjustment of the whole first positioning mechanism and the second positioning mechanism in the vertical direction and the horizontal direction;

the top of the laser emitter mounting frame of the second positioning mechanism is connected with the cantilever horizontal flat plate of the second positioning mechanism through an adjusting mechanism.

Preferably, the adjusting mechanism comprises a moving mechanism and a limiting mechanism, the moving mechanism comprises an upper sliding block and a lower sliding block, the upper sliding block and the lower sliding block are connected in a sliding mode through dovetail sliding groove matching structures in the front-back direction, a limiting screw hole communicated with the inside of the upper sliding block is formed in the side edge of the upper sliding block, and a limiting bolt is matched on the limiting screw hole; the top surface of the upper sliding block is fixedly connected with the front part of the bottom surface of a cantilever horizontal flat plate of the second positioning mechanism, and the bottom surface of the lower sliding block is fixedly connected with the front part of the top surface of the laser emitter mounting rack; stop gear includes adjusting bolt and spring, laser emitter mounting bracket rear end face upper portion is equipped with the convex lower limiting plate that makes progress, the horizontal dull and stereotyped bottom surface of cantilever of second positioning mechanism is equipped with the convex last limiting plate downwards, be equipped with the through-hole on the lower limiting plate, be equipped with the screw hole on the last limiting plate, the spring sets up between lower limiting plate and the last limiting plate, adjusting bolt body passes through-hole, spring and screw hole spiro union in proper order.

The working principle of this application does: the vertical direction long hole arranged on the cantilever is connected with a necking groove (in specific application, the necking groove can be a T-shaped groove or a dovetail groove) on the rear end surface adjusting plate of the moving arm through a bolt, so that the first positioning mechanism and the second positioning mechanism can be adjusted and moved in the vertical direction and the left-right direction;

the adjusting mechanism arranged between the laser emitter mounting rack of the second positioning mechanism and the cantilever of the second positioning mechanism can realize the back-and-forth movement of the laser emitter mounting rack of the second positioning mechanism. The specific moving method comprises the following steps: the spacing bolt is unscrewed, so that the upper sliding block and the lower sliding block can slide relatively, then the adjusting bolt is screwed, the lower sliding block on the adjusting bolt pulling laser transmitter mounting frame slides forwards and backwards relative to the upper sliding block, the spring sleeved on the adjusting bolt can keep the tension between the upper limiting plate and the lower limiting plate, so that the adjustment is more accurate, and the fine adjustment is realized.

The utility model has the advantages that: simple structure is reasonable, and two positioning mechanism all can realize about from top to bottom the removal regulation, and wherein the fine setting of fore-and-aft direction can also be realized to the laser emitter mounting bracket of second positioning mechanism, has realized first positioning mechanism as the benchmark, and the effect that second positioning mechanism carries out the fine setting has effectively solved the laser calibration of installing on two positioning mechanism and has adjusted more loaded down with trivial details problem.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a partial view of fig. 1 taken along the direction a.

Fig. 4 is a schematic view of the structure of the adjusting plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The laser positioning device of the double-gun automatic welding machine shown in figures 1-4 is arranged on a moving arm 1 for clamping a welding gun, the laser positioning device comprises a first positioning mechanism 2 and a second positioning mechanism 3, the first positioning mechanism 2 and the second positioning mechanism 3 both comprise a cantilever 4 and a laser emitter mounting rack 5, the cantilever 4 is L-shaped and comprises a vertical flat plate 401 and a horizontal flat plate 402 which is integrally connected and formed at the lower end of the vertical flat plate, two long holes 403 in the vertical direction are arranged on the vertical flat plate 401, two adjusting plates 6 in the horizontal direction are fixedly arranged on the rear end surface of the moving arm, a necking groove 7 in the horizontal direction is formed in the adjusting plate 6, a nut 8 is arranged in the necking groove 7, and the vertical flat plate 401 and the adjusting plate 6 are in adjustable connection through a bolt penetrating through the long hole and the nut; the top of the laser emitter mounting frame of the first positioning mechanism 2 is fixedly connected with the cantilever horizontal flat plate of the first positioning mechanism 2.

The structure of the long hole and the adjusting plate can realize the adjustment of the first positioning mechanism 2 and the second positioning mechanism 3 in the vertical direction and the horizontal direction;

the top of the laser emitter mounting frame of the second positioning mechanism 3 is connected with the cantilever horizontal flat plate of the second positioning mechanism through an adjusting mechanism 9.

The adjusting mechanism 9 comprises a moving mechanism and a limiting mechanism, the moving mechanism comprises an upper slider 901 and a lower slider 902, the upper slider 901 and the lower slider 902 are connected in a sliding manner through dovetail sliding groove matching structures in the front-back direction, a limiting screw hole 903 communicated with the inside of the upper slider is formed in the side edge of the upper slider, and a limiting bolt 904 is matched on the limiting screw hole; the top surface of the upper sliding block 901 is fixedly connected with the front part of the bottom surface of a cantilever horizontal flat plate of the second positioning mechanism 3, and the bottom surface of the lower sliding block 902 is fixedly connected with the front part of the top surface of the laser emitter mounting rack; the limiting mechanism comprises an adjusting bolt 905 and a spring 906, an upward protruding lower limiting plate 907 is arranged on the upper portion of the end face of the rear side of the laser transmitter mounting frame, a downward protruding upper limiting plate 908 is arranged on the bottom face of a cantilever horizontal flat plate of the second positioning mechanism, a through hole is formed in the lower limiting plate 907, a threaded hole is formed in the upper limiting plate 908, the spring 906 is arranged between the lower limiting plate 907 and the upper limiting plate 908, and the bolt body of the adjusting bolt 905 sequentially penetrates through the through hole, the spring 906 and the threaded hole to be in threaded connection.

The working principle of this application does: the vertical direction long hole 403 arranged on the cantilever is connected with a necking groove (in specific application, the necking groove can be a T-shaped groove or a dovetail groove) on the moving arm rear end face adjusting plate 6 through a bolt, so that the first positioning mechanism 2 and the second positioning mechanism 3 can be adjusted and moved in the vertical direction and the left-right direction;

the adjusting mechanism arranged between the laser emitter mounting rack of the second positioning mechanism 3 and the cantilever of the second positioning mechanism can realize the back and forth movement of the laser emitter mounting rack of the second positioning mechanism. The specific moving method comprises the following steps: the limiting bolt 903 is unscrewed, the upper sliding block 901 and the lower sliding block 902 can slide relatively, then the adjusting bolt 905 is screwed, the lower sliding block on the laser transmitter mounting frame is pulled by the adjusting bolt 905 to slide back and forth relative to the upper sliding block, the spring 906 sleeved on the adjusting bolt can keep the tension between the upper limiting plate 908 and the lower limiting plate 907, so that the adjustment is more accurate, and the fine adjustment is realized.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims

1. The utility model provides a double gun automatic weld machine's laser positioning device, laser positioning device sets up on centre gripping welder's moving arm, its characterized in that: the laser positioning device comprises a first positioning mechanism and a second positioning mechanism, wherein the first positioning mechanism and the second positioning mechanism respectively comprise a cantilever and a laser emitter mounting frame, the cantilever is L-shaped and comprises a vertical flat plate and a horizontal flat plate integrally connected and formed at the lower end of the vertical flat plate, the vertical flat plate is provided with two long holes in the vertical direction, two adjusting plates in the horizontal direction are fixedly arranged on the rear end face of the moving arm, the adjusting plates are provided with necking grooves in the horizontal direction, nuts are arranged in the necking grooves, and the vertical flat plate and the adjusting plates are in adjustable connection through bolts penetrating through the long holes and the nuts; the top of the laser emitter mounting frame of the first positioning mechanism is fixedly connected with a cantilever horizontal flat plate of the first positioning mechanism; the top of the laser emitter mounting frame of the second positioning mechanism is connected with the cantilever horizontal flat plate of the second positioning mechanism through an adjusting mechanism.

2. The laser positioning device of the double-gun automatic welding machine according to claim 1, characterized in that: the adjusting mechanism comprises a moving mechanism and a limiting mechanism, the moving mechanism comprises an upper sliding block and a lower sliding block, the upper sliding block and the lower sliding block are in sliding connection through dovetail sliding groove matching structures in the front-back direction, a limiting screw hole communicated with the inside of the upper sliding block is formed in the side edge of the upper sliding block, and a limiting bolt is matched on the limiting screw hole; the top surface of the upper sliding block is fixedly connected with the front part of the bottom surface of a cantilever horizontal flat plate of the second positioning mechanism, and the bottom surface of the lower sliding block is fixedly connected with the front part of the top surface of the laser emitter mounting rack; stop gear includes adjusting bolt and spring, laser emitter mounting bracket rear end face upper portion is equipped with the convex lower limiting plate that makes progress, the horizontal dull and stereotyped bottom surface of cantilever of second positioning mechanism is equipped with the convex last limiting plate downwards, be equipped with the through-hole on the lower limiting plate, be equipped with the screw hole on the last limiting plate, the spring sets up between lower limiting plate and the last limiting plate, adjusting bolt body passes through-hole, spring and screw hole spiro union in proper order.