CN219617028U

CN219617028U - Laser welding fixing device

Info

Publication number: CN219617028U
Application number: CN202320378304.6U
Authority: CN
Inventors: 唐小凯; 薛颜敏; 左阳
Original assignee: Qingdao Guoxuan Battery Co Ltd
Current assignee: Qingdao Guoxuan Battery Co Ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-09-01
Anticipated expiration: 2033-03-03

Abstract

The utility model discloses a laser welding fixing device, which comprises a workbench, wherein the workbench is provided with: the tooling plate is used for placing welding pieces; the two clamping assemblies are distributed on two sides of the welding piece and are used for clamping or loosening the welding piece; the welding assembly comprises a laser and a welding piece, and is arranged above the welding piece and used for welding the welding piece. Therefore, the problems that the welding piece is not firm and easy to shake when the existing laser welding equipment is used for welding are solved, poor welding can be caused, the quality of a finished product is greatly reduced, and the welding qualification rate is low are solved.

Description

Laser welding fixing device

Technical Field

The utility model relates to the technical field of laser welding, in particular to a laser welding fixing device.

Background

Laser welding is a high-efficiency precise welding method which uses a laser beam with high energy density as a heat source, and is one of important aspects of application of laser material processing technology; the welding process belongs to heat conduction type, namely laser radiation is used for heating the surface of a workpiece, surface heat is diffused to the inside through heat conduction, the workpiece is melted by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulse, a specific molten pool is formed, and the welding process has been successfully applied to the precise welding of micro and small parts due to the unique advantages of the welding process.

The welding piece is not firm and easy to shake when the existing laser welding equipment is used for welding, poor welding can be possibly caused, the quality of a finished product is greatly reduced, and the problem of low welding qualification rate is further caused.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a laser welding fixing device.

The utility model provides a laser welding fixing device, which comprises a workbench, wherein the workbench is provided with:

the tooling plate is used for placing welding pieces;

the two clamping assemblies are distributed on two sides of the welding piece and are used for clamping or loosening the welding piece;

the welding assembly comprises a laser and a welding piece, and is arranged above the welding piece and used for welding the welding piece.

Preferably, a plurality of locating pins are arranged between the tooling plate and the workbench, the lower ends of the locating pins are fixed on the workbench, and the upper ends of the locating pins are matched with locating holes formed in the bottom end of the tooling plate.

Preferably, be located still be equipped with L type locating rack on the workstation of weldment both sides respectively, L type locating rack including fixing side stand on the workstation and with side stand upper end vertically upper bracket, upper bracket orientation weldment direction sets up, go up every clamping assembly and all include:

the first driving motor is fixed at the bottom end of the inner side of the side bracket;

the lower end of the driving rod is connected with the output end of the first driving motor, and the upper end of the driving rod is rotationally connected with the bottom end of the upper bracket;

the rotating rod is arranged vertically to the driving rod and is connected with the driving rod through rotating teeth;

l type movable rod, including the horizontal pole side lever that mutually perpendicular set up, horizontal pole and fixed frame fixed connection, fixed frame threaded connection in the inner of dwang, the side lever is located the weldment outside, be used for pressing from both sides tightly or loosen the weldment.

Preferably, a plurality of rubber pads are arranged on the inner side of the side rod along the up-down direction.

Preferably, the device further comprises a limiting block arranged on the positioning frame, wherein the limiting block is connected with the outer end of the rotating rod and used for limiting the moving track of the rotating rod.

Preferably, the workbench positioned at the inner sides of the two L-shaped positioning frames is provided with a fixing frame, the laser is fixed at the lower end of the top frame of the fixing frame, and the welding assembly further comprises a welding assembly positioned below the laser:

the second driving motor is fixed outside the side frame at the first side of the fixing frame;

and the welding piece is provided with internal threads and is in threaded connection with the screw rod.

Preferably, the upper end of the driving rod is connected with the bottom end of the upper bracket through a rolling bearing.

In summary, the laser welding fixing device provided by the utility model has the following beneficial effects:

1. through the welding assembly, the welding piece can freely move to perform power output welding on a plurality of positions and directions of the welding piece, and the welding piece is suitable for welding of a plurality of types of welding pieces;

2. through setting up clamping assembly, can make the weldment all obtain fixing better on the frock board on different positions to make the welding effect better stable, improved the quality of welding the finished product.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic structural diagram of a laser welding fixture according to an embodiment of the present utility model.

In the figure:

1. a positioning pin; 2. a tooling plate; 3. a rubber pad; 4. a fixed frame; 5. a welding member; 6. welding and pressing parts; 7. a laser; 8. a screw rod; 9. a second driving motor; 10. a limiting block; 11. rotating the teeth; 12. a rotating lever; 13. a driving rod; 14. an L-shaped positioning frame; 15. a first driving motor; 16. a work table; 17. a fixing frame; 18. l-shaped movable rod.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

As shown in fig. 1, the laser welding fixing device provided in this embodiment includes a workbench 16, where the workbench 16 is provided with:

a tooling plate 2 for placing a weldment 5;

two clamping assemblies distributed on both sides of the welding piece 5 for clamping or unclamping the welding piece 5;

the welding assembly comprises a laser 7 and a welding piece 6, and is arranged above the welding piece 5 and used for welding the welding piece 5.

During welding, the welding piece 5 is placed on the tooling plate 2, then the welding piece 5 is clamped and fixed firmly through the adjusting clamping assembly, then the welding piece 5 is welded through the welding assembly, so that the welding piece 5 can be better fixed on the tooling plate 2 at different positions, the welding effect is better and stable, and the quality of a welding finished product is improved.

Further, a plurality of locating pins 1 are arranged between the tooling plate 2 and the workbench 16, the lower ends of the locating pins 1 are fixed on the workbench 16, and the upper ends of the locating pins are matched with locating holes formed in the bottom end of the tooling plate 2. Specifically, four locating pins 1 can be arranged, four locating holes are formed in four corners of the lower end of the tooling plate 2 and are matched with the locating pins 1 respectively, in the installation process, the tooling plate 2 is moved, the locating holes of the tooling plate 2 are aligned with the locating pins 1 on the upper end of the workbench 16 to be fixed, and then the next welding work is carried out, so that the tooling plate 2 and the locating pins 1 are fixed in a locating manner, and the upper and lower running processes are more stable, so that the welding piece 5 is ensured not to shake on the tooling plate 2.

In this embodiment, still be equipped with L type locating rack 14 on the workstation 16 that is located weldment 5 both sides respectively, L type locating rack 14 is including fixing the side stand on workstation 16 and with the perpendicular upper bracket of side stand upper end, the upper bracket sets up towards weldment 5 direction, goes up every clamping assembly and all includes:

a first driving motor 15 fixed at the bottom end of the inner side of the side bracket;

the lower end of the driving rod 13 is connected with the output end of the first driving motor 15, and the upper end of the driving rod is rotationally connected with the bottom end of the upper bracket;

specifically, the upper end of the driving rod 13 is connected to the bottom end of the upper bracket through a rolling bearing.

A rotating rod 12 which is arranged vertically to the driving rod 13 and is connected with the driving rod 13 through a rotating tooth 11;

specifically, the rotating teeth 11 may be bevel gears, and the rotation of the driving lever 13 may drive the rotation of the rotating lever 12 by the bevel gears.

The L-shaped movable rod 18 comprises transverse rod side rods which are arranged vertically to each other, wherein the transverse rod is fixedly connected with the fixed frame 4, the fixed frame 4 is in threaded connection with the inner end of the rotating rod 12, and the side rods are positioned on the outer side of the welding piece 5 and are used for clamping or loosening the welding piece 5.

When the two driving rods 13 rotate in the same direction, the driving rotary teeth 11 perform linear position movement; when two actuating levers 13 carry out the rotation of opposite direction, realize rotating tooth 11, further realize the rotation of dwang 12, through the threaded connection of dwang 12 and fixed frame 4, the horizontal pole of fixed frame 4 and L type movable rod 18 is connected, consequently can drive L type movable rod 18 and control the removal, and both sides L type movable rod 18 operates simultaneously for press from both sides tight weldment 5, do not rock when guaranteeing weldment 5 welding, avoided appearing the welding quality accident. Specifically, a plurality of rubber pads 3 are provided on the inner side of the side bar of the L-shaped moving bar 18 in the up-down direction to prevent the welding 5 from being damaged during the clamping process.

Further, the device comprises a limiting block 10 arranged on the positioning frame, wherein the limiting block 10 is connected with the outer end of the rotating rod 12 and used for limiting the moving track of the rotating rod 12.

Still further, be equipped with mount 17 on the workstation 16 that is located the inboard of two L type locating racks 14, laser instrument 7 is fixed in the roof-rack lower extreme of mount 17, and the welding set still includes and is located laser instrument 7 below:

the second driving motor 9 is fixed outside the side frame at the first side of the fixing frame 17;

the screw rod 8 is connected with the output end of the second driving motor 9, and the welding part 6 is provided with internal threads and is in threaded connection with the screw rod 8.

During welding, the second driving motor 9 drives the screw rod 8 to rotate, and at the moment, the welding part 6 is provided with internal threads, the rotary motion is converted into linear motion, the welding part 6 is driven to move left and right, the welding part 6 is suitable for welding parts 6 in different positions and directions, and the laser 7 is linked, so that the welding parts 6 in different positions in different directions are subjected to laser welding.

In this embodiment, a control device may be further provided, where the control device is electrically connected to the first driving motor 15, the second driving motor 9, the laser 7 and the welding member 6, respectively, so as to conveniently control the start and stop of the first driving motor 15, the second driving motor 9, the laser 7 and the welding member 6.

To sum up, when the laser welding fixing device in this embodiment is used, the tooling plate 2 is firstly installed on the tooling table through the positioning pin 1, and the tooling plate 2 is ensured to generate violent shaking and offset in the ascending and descending process through the cooperation between the positioning pin 1 and the tooling plate 2, and is ensured to be lifted to the same height, so that the welding focal length is stabilized. Secondly, after the tooling plate 2 rises to the target height, a first driving motor 15 is started, the driving motor 15 drives a driving rod 13 to rotate, the driving rod 13 drives a rotating rod 12 to move through a rotating tooth 11, so that an L-shaped moving rod 18 is driven to move, the limiting block 10 is fixed at one end to ensure stability when each rod moves, the L-shaped moving rods 18 at two sides move simultaneously, and rubber pads 3 at the upper side and the lower side of the limiting block are used for clamping a welding piece 5, so that firmness of the welding piece 5 is ensured. Finally, a second driving motor 9 is started, the second driving motor 9 drives a movable screw rod 8 to rotate, and the screw rod 8 drives the welding piece 6 to move along multiple directions, so that the welding piece 5 is welded at each point by matching with the laser 7. And the welding stability and quality are ensured.

It should be understood that the terms "inner" and "outer" refer to the direction toward the weldment as the inner side and the direction away from the weldment as the outer side.

The terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a laser welding fixing device, includes the workstation, its characterized in that, be equipped with on the workstation:

the tooling plate is used for placing welding pieces;

2. The laser welding fixture apparatus according to claim 1, wherein a plurality of positioning pins are provided between the tooling plate and the worktable, and the lower ends of the positioning pins are fixed on the worktable, and the upper ends of the positioning pins are matched with positioning holes formed in the bottom end of the tooling plate.

3. The laser welding fixture apparatus according to claim 1, wherein the work tables located at both sides of the welding member are respectively provided with an L-shaped positioning frame, the L-shaped positioning frame includes a side bracket fixed to the work table and an upper bracket perpendicular to an upper end of the side bracket, the upper bracket is disposed toward the welding member, and each of the clamping assemblies includes:

4. The laser welding fixture apparatus according to claim 3, wherein the inner side of the side bar is provided with a plurality of rubber pads in the up-down direction.

5. The laser welding fixture apparatus according to claim 3, further comprising a stopper installed on the positioning frame, the stopper being connected to an outer end of the rotating rod for defining a moving track of the rotating rod.

6. The laser welding fixture apparatus of claim 3 wherein a fixture is provided on said work table inside two of said L-shaped fixtures, said laser is fixed to a lower end of a top frame of said fixture, said welding assembly further comprising a frame positioned below said laser:

7. A laser welding fixture apparatus according to claim 3, wherein the upper end of the driving rod is connected to the lower end of the upper bracket by a rolling bearing.