CN111730203A - A laser welding positioning and rotating fixture - Google Patents

Abstract

The invention discloses a laser welding positioning and rotating fixture, comprising a frame, wherein the frame is a flat plate fixed horizontally, a welding and rotating pressing module is fixedly arranged on the upper part of the frame, and a lower part of the frame is fixedly arranged There is a smelting tool rotating workbench, the smelting tool rotating workbench includes a smelting tool positioning platform, the smelting tool positioning platform is arranged through the frame, the upper end of the smelting tool positioning platform is provided with a rotating platform for placing the heating plate, and the rotating platform is arranged on the machine. Above the frame, the welding and rotating pressing module includes a pressing mechanism arranged just above the rotating platform. The invention overcomes the shortcomings of the prior art, has a reasonable structure, can effectively improve the welding positioning accuracy, the rotation speed is uniform without affecting the welding quality, the welding accuracy and the welding scar are uniform and the sealing performance is good, and the effect of accurately welding the cylindrical surface of the product can be achieved. Meet the needs of laser welding of various types of parts.

Description

A laser welding positioning and rotating fixture

technical field

The invention relates to the technical field of welding tools, in particular to a laser welding positioning and rotating fixture.

Background technique

As a tool to assist in the control of position or action (or both position and action), the fixture is currently widely used in various fields, and the field of laser welding is currently a relatively advanced high-precision welding technology. There are high requirements for precision, etc. With the improvement of automation, most of the current fixtures have insufficient precision, cannot achieve automatic rotation, and are uneven in the rotation process. In the prior art, for a circular component such as a heating plate that needs to be continuously welded in the circumferential direction, by placing the component on a rotating platform and welding directly, there will be rotational instability, component shaking, etc. resulting in insufficient precision, and the need for Making fixing fixtures for components of different sizes increases the cost and is extremely inconvenient, and therefore needs to be improved.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art, and to provide a laser welding positioning and rotating fixture, which has a reasonable structure, can effectively improve the welding positioning accuracy, and the rotation speed is uniform without affecting the welding quality, so that the welding accuracy is comparable to the welding quality. The scar is uniform and has good sealing performance, which can achieve the effect of accurately welding the cylindrical surface of the product and meet the laser welding requirements of various types of parts.

In order to solve the above technical problems, the technical solution provided by the present invention is: a laser welding positioning and rotating fixture, including a frame, the frame is a flat plate fixed horizontally, and the upper part of the frame is fixed with a welding rotary pressing Module, the lower part of the frame is fixed with a smelting tool rotating worktable, the smelting tool rotating workbench includes a smelting tool positioning platform, the smelting tool positioning platform is arranged through the frame, and the upper end of the smelting tool positioning platform is provided with a heating plate for placing the heating plate. A rotating platform, the rotating platform is arranged above the frame, the welding and rotating pressing module includes a pressing mechanism arranged directly above the rotating platform, the lower end of the pressing mechanism is provided with a rotating top, and the rotating top presses down It is used to fix the central position of the heating plate.

Further, the welding and rotating pressing module is fixed on the upper surface of the frame through a column, the upper end of the column is connected to one end of the beam, the other end of the beam is provided with a pressing mechanism, and the pressing mechanism includes a Cylinder, the piston rod end of the cylinder is rotatably connected to the rotating top, and the components are tightened by the cylinder.

Further, the lower end of the column is plugged and fixed in a sleeve member on the frame, and the sleeve member is provided with an adjustment screw for adjusting the height of the column, which is convenient to adjust the height of the column and adapt to parts of different sizes.

Further, a support rib is arranged below the cross beam, one side of the support rib is close to the upright column, the bottom of the support rib is arranged on the support beam, and the lower part of the cross beam and the upper part of the support beam are respectively provided with a support rib and a support rib. The top and bottom of the plate are matched with the horizontal groove, and one end of the support beam is fixed on the column by screws, which is convenient to replace and adjust the size of the rib, so as to adapt to the spin welding of parts of different sizes.

Further, the rotating top is sleeved in the piston rod end of the cylinder, and the connection is provided with a bearing, and at the same time of pressing down and tightening, the rotating top will rotate with the component, which does not affect the normal and uniform rotation of the component.

Further, the tool rotating table also includes a servo motor fixedly arranged at the bottom of the frame, the tool positioning platform includes a rotating shaft that is rotatably connected at the center, the upper end of the rotating shaft is connected to the rotating platform, and the servo motor controls the synchronization of the lower end of the rotating shaft. Rotation, the shaft is controlled by the motor to rotate evenly.

Further, the lower end of the rotating shaft is provided with a pulley 1, the output shaft end of the servo motor is connected to the second pulley, the first pulley and the second pulley are connected by a belt, and the synchronous operation is realized by the pulley belt transmission.

Compared with the prior art, the present invention has the advantages that: the welding positioning and rotating fixture provided by the present invention presses the product by rotating the tip, and the rotating tip guides the product to be pressed down. The products rotate together, thereby improving the machining accuracy. The servo motor drives the rotating parts to provide circular welding action for the rotary welding, which effectively solves the problems of poor positioning accuracy and uneven rotation speed during the welding process that affect the welding quality, so that the welding accuracy and welding scars are uniform. Good sealing, improve production efficiency and reduce process cost.

Compared with the prior art, the beneficial effects of the present invention are:

1. A rotary welding jig of the present invention can perform rotary welding, can accurately locate and fast clamp, improve production efficiency, the jig seat can rotate 360°, the action is flexible, the structure is simple, and it can accurately process cylindrical surfaces. The effect of welding;

2. In the present invention, the rotating tip is used to press the product, the tip is guided and pressed down, and the product is guided after pressing down, and the product can be pressed and rotated together with the product at the same time, thereby improving the machining accuracy;

3. Each motor of the present invention can be precisely controlled by using a servo motor, thereby improving the machining accuracy;

4. The present invention has the advantages of simple structure, easy manufacture, ingenious design and high practicability.

Description of drawings

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

FIG. 2 is a schematic view of the structure of the disassembled structure of the present invention.

FIG. 3 is a schematic structural diagram of a welding and rotating pressing module in the present invention.

FIG. 4 is a schematic view of the structure of the rotary table of the metallurgical tool in the present invention.

FIG. 5 is a schematic diagram of welding in the prior art of the present invention.

As shown in the picture: 1. Frame, 2. Welding and rotary pressing module, 3. Tooling rotary table, 4. Tooling positioning platform, 5. Pressing mechanism, 6. Rotating platform, 7. Rotating top, 8. Column, 9, beam, 10, cylinder, 11, sleeve piece, 12, support rib, 13, support beam, 14, servo motor, 15, belt, 16, heating plate.

Detailed ways

In the description of the present invention, it should be understood that the terms "center", "lateral", "top", "bottom", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

The present invention will be further described in detail below in conjunction with the accompanying drawings.

In the specific implementation of the present invention, a laser welding positioning and rotating jig includes a frame 1, the frame 1 is a flat plate fixed horizontally, and a welding rotary pressing module 2 is fixed on the upper part of the frame 1, The lower part of the frame 1 is fixedly provided with a smelting tool rotating worktable 3, and the smelting tool rotating workbench 3 includes a smelting tool positioning platform 4, the smelting tool positioning platform 4 is arranged through the frame 1, and the upper end of the smelting tool positioning platform 4 is provided with a The rotating platform 6 on which the heating plate 16 is placed, the rotating platform 6 is arranged above the frame 1, and the welding and rotating pressing module 2 includes a pressing mechanism 5 arranged directly above the rotating platform 6. The pressing mechanism 5 The lower end is provided with a rotating top 7 , and the rotating top 7 is pressed down to fix the central position of the heating plate 16 .

The welding and rotating pressing module 2 is fixed on the upper surface of the frame 1 through the column 8, and the lower end of the column 8 is inserted and fixed in the sleeve member 11 on the frame 1, and the sleeve member 11 is provided with an adjustment A screw for adjusting the height of the column 8, the upper end of the column 8 is connected to one end of the beam 9, the other end of the beam 9 is provided with a pressing mechanism 5, and the pressing mechanism 5 includes a cylinder 10 fixed on the beam 9, the cylinder 10 The end of the piston rod is rotatably connected to the rotary top 7, the rotary top 7 is sleeved in the piston rod end of the cylinder 10, and the connection is provided with a bearing, and a support rib 12 is provided below the beam 9, and the support rib One side of 12 is close to the column 8, the bottom of the support rib 12 is arranged on the support beam 13, the lower part of the beam 9 and the upper part of the support beam 13 are respectively provided with transverse grooves that match the top and bottom of the support rib 12. One end of the support beam 13 is fixed on the upright column 8 by screws.

The tool rotating table 3 also includes a servo motor 14 fixedly arranged at the bottom of the frame 1. The tool positioning platform 4 includes a rotating shaft rotatably connected at the center, the upper end of the rotating shaft is connected to the rotating platform 6, and the lower end of the rotating shaft is provided with a rotating shaft. The first pulley, the output shaft end of the servo motor 14 is connected to the second pulley, and the first and second pulleys are connected by a belt 15 .

The working principle of the present invention: the jig rotating table is fixed on the frame, the bottom is provided with servo electric drive synchronous pulley to drive the jig seat to rotate, can rotate 360°, the synchronous pulley and the jig seat are perpendicular to each other, the pressing mechanism is fixed On the frame, it is perpendicular to the beam, and the rotating tip at the lower part of the pressing mechanism is used to press the product. After pressing down, the product is guided, so that the product can be fixed and rotated synchronously, so as to facilitate the uniformity of the product along the circumferential direction. of completed welding.

The present invention and its embodiments have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it, and without departing from the purpose of the present invention, any structural modes and embodiments similar to this technical solution are designed without creativity, all should belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a rotatory tool of laser welding location, includes frame (1), its characterized in that: frame (1) is the flat board of the fixed setting of level, frame (1) upper portion is fixed to be equipped with the welding rotation and compresses tightly module (2), frame (1) lower part is fixed to be equipped with smelting tool swivel work head (3), smelting tool swivel work head (3) are including smelting tool positioning platform (4), smelting tool positioning platform (4) link up frame (1) setting, smelting tool positioning platform (4) upper end is provided with swivel platform (6) that are used for placing the dish that generates heat (16), swivel platform (6) set up in frame (1) top, the welding rotation compresses tightly module (2) including setting up hold-down mechanism (5) directly over swivel platform (6), hold-down mechanism (5) lower extreme is provided with rotatory top (7), rotatory top (7) push down the central point department of putting that is used for fixed dish that generates heat (16).

2. The laser welding positioning rotary jig of claim 1, characterized in that: the welding rotary pressing module (2) is fixed on the upper surface of the rack (1) through an upright post (8), the upper end of the upright post (8) is connected with one end of a cross beam (9), the other end of the cross beam (9) is provided with a pressing mechanism (5), the pressing mechanism (5) comprises a cylinder (10) fixed on the cross beam (9), and the piston rod end of the cylinder (10) is rotatably connected with a rotary centre (7).

3. The laser welding positioning rotary jig of claim 2, wherein: the lower end of the upright post (8) is inserted and fixed in a sleeve part (11) on the frame (1), and an adjusting screw for adjusting the height of the upright post (8) is arranged on the sleeve part (11).

4. The laser welding positioning rotary jig of claim 2, wherein: the supporting rib plate (12) is arranged below the cross beam (9), one side of the supporting rib plate (12) is abutted against the upright post (8), the bottom of the supporting rib plate (12) is arranged on the supporting beam (13), transverse grooves matched with the top and the bottom of the supporting rib plate (12) are respectively arranged at the lower part of the cross beam (9) and the upper part of the supporting beam (13), and one end of the supporting beam (13) is fixed on the upright post (8) through a screw.

5. The laser welding positioning rotary jig of claim 2, wherein: the rotating center (7) is sleeved in the piston rod end of the air cylinder (10), and a bearing is arranged at the joint.

6. The laser welding positioning rotary jig of claim 1, characterized in that: smelting tool swivel work head (3) still includes fixed servo motor (14) that sets up in frame (1) bottom, smelting tool positioning platform (4) are including center department rotation connected's pivot, swivel work head (6) are connected to the pivot upper end, servo motor (14) control shaft lower extreme rotates in step.

7. The laser welding positioning rotary jig of claim 6, wherein: the lower end of the rotating shaft is provided with a first belt wheel, the output shaft end of the servo motor (14) is connected with a second belt wheel, and the first belt wheel and the second belt wheel are connected through a belt (15).

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