CN220073624U

CN220073624U - Frock clamp for laser welding

Info

Publication number: CN220073624U
Application number: CN202321568849.XU
Authority: CN
Inventors: 姜超; 屈谊明
Original assignee: Changchun Zhengjie Intelligent Equipment Co ltd
Current assignee: Changchun Zhengjie Intelligent Equipment Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-24
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the technical field of tool clamps, in particular to a tool clamp for laser welding, which comprises a clamp base, a first bracket, a chute bracket and a swing arm; a swing arm is arranged at the top end of the first bracket; the tail end of the swing arm is connected with the rotary sliding block; the rotary sliding block is connected with the rotary clamp assembly; the rotary sliding block is connected with the chute bracket, and the swinging arm drives the rotary sliding block to do rotary motion. According to the utility model, through the cooperation of the swing arm and the rotary slide block, the angle adjustment of the rotary clamp assembly is realized, and the device is suitable for laser welding of workpieces with different shapes and sizes. The control of the rotary motion of the rotary slide block is realized through the control of the telescopic device, and the operation and the adjustment are convenient. The relative rotation of the rotary bearing table and the support frame can provide the freedom degree in the other direction, so that the applicability of the clamp is further improved.

Description

Frock clamp for laser welding

Technical Field

The utility model relates to the technical field of tool clamps, in particular to a tool clamp for laser welding.

Background

Laser welding is a highly efficient and precise welding method that uses a laser beam of high energy density as a heat source. The laser welding can realize the welding of workpieces with various shapes and sizes, and has the advantages of high welding speed, small heat affected zone, small deformation, high weld quality and the like.

In order to ensure the quality and the efficiency of laser welding, workpieces need to be clamped and positioned accurately and stably, the existing fixture is usually specially designed and manufactured for workpieces with certain specific shapes and sizes, has specific service objects and strong pertinence, but has poor universality, and cannot adapt to the laser welding of the workpieces with different shapes and sizes. The existing fixture cannot generally realize angle adjustment of workpieces in the laser welding process, and cannot adapt to laser welding of welding seams with different angles and directions.

The utility model patent of the issued publication number CN218983639U provides a rotary positioning welding fixture, which mainly comprises a fixing frame, a bottom plate and a positioning plate, wherein the fixing frame is a supporting frame structure arranged at two ends of the lower surface of the bottom plate, and the lower end of the fixing frame is provided with a fixing structure for being arranged on a laser welding platform; the bottom plate is provided with a product welding area for fixing and clamping a first product, and a first side and a second side of the product welding area

A plurality of positioning blocks are arranged outside the periphery; the third side external fixation of product welding district is equipped with rotatory fixed station, is equipped with the axis of rotation parallel with the third side on the rotatory fixed station, articulated one side of locating plate in the axis of rotation, and the locating plate can revolute the axis of rotation and rotate, covers on the product welding district of bottom plate.

The cited document can also be used for solving the clamping problem in the welding process, but can only be used for products with planar shapes, cannot clamp workpieces with complex structures, and cannot adjust the welding angle of the workpieces.

Therefore, a tool fixture with better applicability and adjustable welding angle of the workpiece is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a fixture for laser welding, which solves the technical problems that workpieces with complex structures cannot be clamped and welding angles of the workpieces cannot be adjusted in the prior art.

In order to achieve the above purpose, the utility model provides a technical scheme that a fixture for laser welding comprises a fixture base, a first bracket, a chute bracket and a swing arm; the clamp base is provided with a first bracket and a chute bracket, and the first bracket and the chute bracket are perpendicular to the clamp base; a swing arm is arranged at the top end of the first bracket; the tail end of the swing arm is connected with the rotary sliding block; the rotary sliding block is connected with the rotary clamp assembly; the rotary sliding block is connected with the chute bracket, and the swinging arm drives the rotary sliding block to do rotary motion.

The rotary clamp assembly comprises a clamp mounting table, an air cylinder, a push plate and a rotary bearing table; two side surfaces of the clamp mounting table are provided with rotary sliding blocks; the number of the air cylinders is 2, and the air cylinders are symmetrically arranged at two ends of the clamp mounting table; the front end of the cylinder is provided with a push plate; the push plate is used for clamping a workpiece; the rotary bearing table is positioned between 2 air cylinders and fixedly installed on the fixture installation table.

The number of the chute supports is 2, and the tops of the chute supports are provided with round through holes and arc chute holes; the arc track of the arc-shaped slide slot hole and the through hole have the same circle center.

The rotary sliding block is provided with a rotary shaft and a sliding shaft; the size of the rotating shaft is matched with the size of the through hole on the chute bracket; the rotating shaft is connected with the through hole; one end of the sliding shaft, which is far away from the rotary sliding block, is movably connected with the tail end of the swinging arm; the sliding shaft slides along the arc-shaped sliding groove hole.

The bottom of the rotary bearing table is movably connected with a supporting frame; the support frame is fixedly arranged on the clamp mounting table; the rotary bearing table is connected with the supporting frame through a movable rotating shaft.

The swing arm is provided with a telescopic device; the telescopic device is an electric push rod, and the electric push rod provides power to push the rotary sliding block to rotate along the arc direction of the arc-shaped sliding slot hole by taking the rotary shaft as the center; thereby adjusting the working angle of the rotary jig assembly.

The push plate is made of brass material, and the working surface contacted with the workpiece to be processed is provided with embossments; the embossments are used for increasing friction force during clamping.

Advantageous effects

According to the utility model, the angle adjustment of the rotary clamp assembly can be realized through the cooperation of the swing arm and the rotary slide block, and the device is suitable for laser welding of workpieces with different shapes and sizes.

The utility model can realize the control of the rotary motion of the rotary slide block through the control of the telescopic device, and is convenient to operate and adjust.

The utility model can provide the freedom degree in the other direction through the relative rotation of the rotary bearing table and the support frame, thereby further increasing the applicability of the clamp.

According to the utility model, the workpiece with complex structure can be adjusted to a proper position through double adjustment of the rotary clamp assembly and the rotary bearing table, and the welded junctions at various angles on the workpiece are adjusted to be in the horizontal direction, so that the welding work is convenient, and the welding quality is ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a rotary clamp assembly of the present utility model;

FIG. 3 is a schematic view of a swing arm and a rotating slider of the present utility model;

FIG. 4 is an exploded view of the chute bracket and rotary slide of the present utility model;

FIG. 5 is a schematic view of a rotating stage according to the present utility model.

In the figure:

1. the device comprises a clamp base, a first bracket, a chute bracket, a swing arm, a rotary sliding block, a rotary clamp assembly, a clamp mounting table, a cylinder, a push plate, a rotary bearing table, a through hole, an arc-shaped chute hole, a rotary shaft, a sliding shaft, a support frame, a movable rotary shaft, a telescopic device and a laser welding machine.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-5, the embodiment provides a fixture for laser welding, which comprises a fixture base 1, a first bracket 2, a chute bracket 3 and a swing arm 4; the clamp base 1 is provided with a first bracket 2 and a chute bracket 3, and the first bracket 2 and the chute bracket 3 are perpendicular to the clamp base 1; the top end of the first bracket 2 is provided with a swinging arm 4; the tail end of the swinging arm 4 is connected with a rotary sliding block 5; the rotary slide block 5 is connected with the rotary clamp assembly 6; the rotary slide block 5 is connected with the chute bracket 3, and the swing arm 4 drives the rotary slide block 5 to do rotary motion. The first bracket 2 is used as a support of the swing arm 4 and provides a rotation center of the swing arm 4; the rotary slide block 5 is used for connecting the rotary clamp assembly 6, so that the angle adjustment of the rotary clamp assembly 6 is realized.

As shown in fig. 2, the rotary clamp assembly 6 comprises a clamp mounting table 7, an air cylinder 8, a push plate 9 and a rotary bearing table 10; the rotary clamp assembly 6 is used for clamping and positioning a workpiece, so that the stability of the workpiece in the laser welding process is ensured.

The clamp mounting table 7 is used as a basis of the rotary clamp assembly 6 and is used for mounting other parts; the two side surfaces of the clamp mounting table 7 are provided with rotary sliding blocks 5; the number of the air cylinders 8 is 2, and the air cylinders are symmetrically arranged at two ends of the clamp mounting table 7; the air cylinder 8 serves as a drive for the push plate 9, providing a forward and backward movement of the push plate 9.

The front end of the cylinder 8 is provided with a push plate 9; the push plate 9 is used for clamping a workpiece; the rotary bearing table 10 is arranged between 2 air cylinders 8 and fixedly mounted on the clamp mounting table 7.

As shown in fig. 3-5, the number of the chute brackets 3 is 2, and the top of the chute bracket 3 is provided with a circular through hole 11 and an arc chute hole 12; the arc track of the arc-shaped slide slot hole 12 and the through hole 11 have the same circle center; the through hole 11 is used as a rotation shaft 13 to connect the rotation shaft 13 with the chute bracket 3. The chute bracket 3 serves as a fixing and guiding bracket for the rotary slide 5 and provides a rotation locus of the rotary slide 5.

As shown in fig. 4, the rotary slide block 5 is provided with a rotary shaft 13 and a sliding shaft 14; the size of the rotating shaft 13 is matched with the size of the through hole 11 on the chute bracket 3; the rotating shaft 13 is connected with the through hole 11; one end of the sliding shaft 14 far away from the rotary sliding block 5 is movably connected with the tail end of the swinging arm 4.

The rotation shaft 13 is connected to the chute bracket 3 as the rotation slider 5, and the rotation slider 5 is rotated about the rotation shaft 13.

The sliding shaft 14 slides along the arc-shaped sliding slot hole 12; the sliding shaft 14 is used as a connection between the swing arm 4 and the rotary slide block 5, so that the swing arm 4 drives the rotary slide block 5 to do rotary motion.

As shown in fig. 5, the bottom of the rotary bearing table 10 is movably connected with a supporting frame 15; the supporting frame 15 is fixedly arranged on the clamp mounting table 7; the rotary bearing table 10 is connected with the supporting frame 15 through a movable rotating shaft 16. The support frame 15 and the rotary bearing table 10 realize the adjustment of the angle between the rotary bearing table 10 and the clamp mounting table 7 through the movable rotating shaft 16.

As shown in fig. 2, the swing arm 4 is provided with a telescopic device 17; the telescopic device 17 is an electric push rod, and the electric push rod 17 provides power to push the rotary slide block 5 to rotate along the arc direction of the arc-shaped slide slot hole 12 by taking the rotary shaft 13 as the center; thereby adjusting the working angle of the rotary jig assembly 6.

The push plate 9 is made of brass material, and the working surface contacted with the workpiece to be processed is provided with embossments; the embossments are used for increasing friction force when clamping the workpiece.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A fixture for laser welding comprises a fixture base (1), a first bracket (2), a chute bracket (3) and a swing arm (4); the clamp base (1) is provided with a first bracket (2) and a chute bracket (3), and the first bracket (2) and the chute bracket (3) are perpendicular to the clamp base (1); a swing arm (4) is arranged at the top end of the first bracket (2); the swing arm is characterized in that the tail end of the swing arm (4) is connected with a rotary sliding block (5); the rotary sliding block (5) is connected with the rotary clamp assembly (6); the rotary sliding block (5) is connected with the chute bracket (3), and the swinging arm (4) drives the rotary sliding block (5) to do rotary motion.

2. The fixture for laser welding according to claim 1, wherein the rotary fixture assembly (6) comprises a fixture mounting table (7), an air cylinder (8), a push plate (9) and a rotary bearing table (10); two side surfaces of the clamp mounting table (7) are provided with rotary sliding blocks (5); the number of the air cylinders (8) is 2, and the air cylinders are symmetrically arranged at two ends of the clamp mounting table (7); the front end of the air cylinder (8) is provided with a push plate (9); the pushing plate (9) is used for clamping a workpiece; the rotary bearing table (10) is positioned between 2 air cylinders (8) and fixedly arranged on the clamp mounting table (7).

3. The fixture for laser welding according to claim 1, wherein the number of the chute brackets (3) is 2, and the top of the chute bracket (3) is provided with a circular through hole (11) and an arc chute hole (12); the arc track of the arc-shaped slide slot hole (12) and the through hole (11) have the same circle center.

4. The fixture for laser welding according to claim 2, wherein the rotary slide block (5) is provided with a rotary shaft (13) and a sliding shaft (14); the size of the rotating shaft (13) is matched with the size of the through hole (11) on the chute bracket (3); the rotating shaft (13) is connected with the through hole (11); one end of the sliding shaft (14) far away from the rotary sliding block (5) is movably connected with the tail end of the swing arm (4); the sliding shaft (14) slides along the arc-shaped sliding slot hole (12).

5. The fixture for laser welding according to claim 2, wherein a supporting frame (15) is movably connected to the bottom of the rotary carrying platform (10); the supporting frame (15) is fixedly arranged on the clamp mounting table (7); the rotary bearing table (10) is connected with the supporting frame (15) through a movable rotating shaft (16).

6. The fixture for laser welding according to claim 1, wherein the swing arm (4) is provided with a telescopic device (17); the telescopic device (17) is an electric push rod, and the electric push rod provides power to push the rotary slide block (5) to rotate along the arc direction of the arc-shaped slide slot hole (12) by taking the rotary shaft (13) as the center; thereby adjusting the working angle of the rotary clamp assembly (6).

7. The fixture for laser welding according to claim 2, wherein the pushing plate (9) is made of brass material, and the working surface contacted with the workpiece to be processed is provided with embossments; the embossments are used for increasing friction force when clamping the workpiece.