CN216607629U

CN216607629U - Optical fiber laser welding device

Info

Publication number: CN216607629U
Application number: CN202123442493.9U
Authority: CN
Inventors: 贾均红; 白甘雨; 王以星; 韩松松; 陈凯悦
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-27
Anticipated expiration: 2031-12-31

Abstract

The embodiment of the utility model discloses an optical fiber laser welding device, wherein a driving mechanism comprises a turnover motor and a turnover driving gear, and the turnover motor is connected with the turnover driving gear; the turnover mechanism comprises a turnover driven gear, a turnover shaft unit and a turnover connecting plate unit, wherein the turnover driven gear is connected with the turnover driving gear, the turnover driven gear is connected with the turnover shaft unit, and the turnover shaft unit is connected with the turnover connecting plate unit; the turnover connecting plate unit is connected with the clamping plate, the turnover mechanism works under the driving of the driving mechanism to turn over and adjust the clamping plate, a processed workpiece is enabled to rotate at a certain angle, multiple angles are used for welding the workpiece, macroscopic observation is carried out on the welding seam area of the welded workpiece, the workpiece can be directly processed in the later period on the clamping plate, the welded workpiece does not need to be dismounted from a fixture table, the welding efficiency is improved, the problem that the processing quality of the workpiece is influenced due to the fact that the workpiece cannot be turned over in the process of machining is solved, and a machining blind area exists.

Description

Optical fiber laser welding device

Technical Field

The utility model belongs to the technical field of welding equipment, and relates to an optical fiber laser welding device.

Background

With the continuous and intensive research of laser welding technology by researchers, the optical fiber laser welding is rapidly developed, and the traditional gas argon tungsten-arc welding is gradually replaced, but how to effectively apply the optical fiber laser welding to actual welding products needs corresponding welding clamp equipment to be improved together with the corresponding welding clamp equipment.

In the traditional laser welding process, a welding workpiece is horizontally fixed on a welding tool fixture, and because a certain position blind area exists in a robot-controlled optical fiber laser welding joint, the upper part of the welding workpiece cannot be welded, and the welding quality of the welded workpiece cannot be determined in time due to the fact that the welded workpiece cannot effectively rotate due to the size and quality problems. The existence of the problems causes the low quality monitoring efficiency when the current optical fiber welding joint welds the workpiece, and limits the development of welding the workpiece by using the optical fiber laser.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides an optical fiber laser welding device.

In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:

an optical fiber laser welding device comprises a driving mechanism, a turnover mechanism and a clamping plate;

the driving mechanism is connected with the turnover mechanism, and the turnover mechanism is connected with the clamping plate;

the driving mechanism comprises a turnover motor and a turnover driving gear, and the turnover motor is connected with the turnover driving gear;

the turnover mechanism comprises a turnover driven gear, a turnover shaft unit and a turnover connecting plate unit, wherein the turnover driven gear is connected with a turnover driving gear, the turnover driven gear is connected with the turnover shaft unit, and the turnover shaft unit is connected with the turnover connecting plate unit;

the overturning connecting plate unit is connected with the clamping plate.

The utility model is further improved in that:

the turnover shaft unit and the turnover connecting plate unit are symmetrically arranged on two sides of the clamping plate.

The turnover shaft unit comprises a turnover shaft, a turnover bearing seat and a double-row angular contact bearing;

the turnover shaft is connected with the turnover driven gear, penetrates through the turnover bearing seat and is sleeved on the outer side of the turnover shaft;

and one end of the turning shaft, which is far away from the turning driven gear, is connected with the turning connecting plate unit.

The turnover connecting plate unit comprises a turnover plate and a turnover right-angle connecting plate;

the end of the turning shaft, which is far away from the turning driven gear, is connected with the turning plate, the turning plate is connected with the turning right-angle connecting plate, and the turning right-angle connecting plate is connected with the clamping plate.

The turnover shaft is connected with the turnover driven gear through a rack, the turnover shaft is arranged on one side of the turnover driven gear, and the rack is arranged at the lower ends of the turnover shaft and the turnover driven gear.

And a limiter is arranged on one side of the turnover bearing seat.

The limiting stopper is arranged on one side of the turnover bearing seat through a limiting stopper, the limiting stopper is rigidly connected with the turnover bearing seat, and the limiting stopper is connected with the limiting stopper.

The turnover motor is fixed through the motor mounting plate, the motor mounting plate is perpendicularly connected with the end face, far away from the clamping plate, of the turnover bearing seat, and the turnover motor is arranged on the upper end face of the motor mounting plate.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses an optical fiber laser welding device, wherein a turnover mechanism is arranged on the outer side of a clamping plate, the turnover mechanism works under the driving of a driving mechanism and carries out turnover adjustment on the clamping plate, so that a processed workpiece rotates at a certain angle, the workpiece is welded at multiple angles, the defect that the blind area cannot be finely machined in the processing process is overcome, the macroscopic observation can be carried out on the welding seam area of the welded workpiece, the workpiece can be directly processed on the clamping plate in the later period, the welded workpiece does not need to be dismounted from a clamp table, and the welding efficiency and the processing quality are improved.

Furthermore, the turnover shaft unit and the turnover connecting plate unit are symmetrically arranged on two sides of the clamping plate, so that the turnover stability of the clamping plate in the machining process is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is an isometric view of the present invention;

FIG. 2 is an isometric view of the clamping plate of the present invention rotated 90;

FIG. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is a partial block diagram of the present invention;

FIG. 5 is an isometric view of a stop unit of the present invention;

figure 6 is an isometric view of a clamping plate of the present invention.

Wherein: 1-limit stop block; 2-a stopper; 3-motor mounting plate; 4-turning over the motor; 5-overturning the driving gear; 6-a rack; 7-turning over the driven gear; 8-a rack support plate; 9-a turning shaft; 10-overturning the bearing seat; 11-double row angular contact bearings; 13-turning the right-angle connecting plate; 14-clamping plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element 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 the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model is described in further detail below with reference to the accompanying drawings:

referring to fig. 1-6, the embodiment of the utility model discloses an optical fiber laser welding device, which comprises a limit stop 1, a limiter 2, a motor mounting plate 3, a turnover motor 4, a turnover driving gear 5, a rack 6, a turnover driven gear 7, a rack support plate 8, a turnover shaft 9, a turnover bearing seat 10, a double-row angular contact bearing 11, a turnover plate 12, a turnover right-angle connecting plate 13 and a clamping plate 14;

in the embodiment of the utility model, the clamping plate 14 is used as a clamp, two groups of T-shaped grooves are respectively arranged on the end surface in the transverse direction and the longitudinal direction, and four process holes are uniformly formed at the same time, so that the weight of the clamping plate 14 is mainly reduced.

In the embodiment of the utility model, the turnover shaft 9, the turnover bearing seat 10, the double-row angular contact bearing 11, the turnover plate 12 and the turnover right-angle connecting plate 13 are symmetrically arranged at two sides of the clamping plate 14;

the concrete connection mode is that,

the bolt hole has been seted up to the both sides of grip block 14, is connected with upset right angle connecting plate 13 respectively through the bolt hole, and one side of upset right angle connecting plate 13 is connected with the one end of returning face plate 12, and the other end of returning face plate 12 is connected with the one end of rotation axis 9, and rotation axis 9 runs through upset bearing frame 10, and the outside cover of rotation axis 9 and upset bearing frame 10 junction is equipped with double-row angular contact bearing 11.

In the embodiment of the utility model, a position stop block 1, a limiting stopper 2, a motor mounting plate 3, a turnover motor 4, a turnover driving gear 5, a rack 6, a turnover driven gear 7 and a rack support plate 8 which are connected with a rotating shaft 9 are arranged on only one side of a clamping plate 14, and the specific connection structure is as follows:

the outside suit upset driven gear 7 of the one end of double-layered dress board 14 is kept away from to rotation axis 9, one side interval of upset driven gear 7 is provided with upset driving gear 5, upset driving gear 5 is installed on upset bearing frame 10 keeps away from the terminal surface of double-layered dress board 14, upset driving gear 5 and upset driven gear 7 are connected through the rack 6 of bottom installation, rack one end is connected with upset driving gear 5, the other end is connected with upset driven gear 7, rack 6 keeps away from on the terminal surface of double-layered dress board 14 through the fixed upset bearing frame 10 of rack backup pad 8 of lower extreme, upset driving gear 5 is connected with upset motor 4, the lower extreme fixed motor mounting panel 3 of upset motor 4, motor mounting panel 3 is connected with upset bearing frame 10 is perpendicular.

In the embodiment of the utility model, one side of the turnover bearing seat 10 is connected with a limit stop 1 through a bolt, and a limit stopper 2 is arranged on the limit stop 1.

In the embodiment of the utility model, only two ends of the rack 6 are provided with teeth, so that the overturning angle of the clamping plate 14 can be better controlled.

The working principle of the utility model is as follows:

the overturning motor 4 drives an overturning driving gear 5, the overturning driven gear 7 at the other end of the rack 6 is driven through the transmission of the rack 6, the overturning driven gear 7 is connected with an overturning shaft 9, the overturning shaft 9 is connected with an overturning plate 12, the overturning plate 12 is connected with a clamping plate 14 through an overturning right-angle connecting plate 13, double rows of t-shaped grooves in the clamping plate 14 are used for fixing a machined workpiece, four upper process holes mainly reduce the weight of the clamping plate 14, and the limiter 2 laterally arranged on the overturning bearing seat 10 is used for limiting.

In the practical use process of the embodiment of the utility model, the clamping plate 14 is used for fixing the workpiece with larger volume, and after the optical fiber laser welding is adopted, for a specific position, the clamping plate 14 can enable a workpiece to rotate at a certain angle, so that the problem of position blind areas existing when the robot drives the optical fiber laser connector to weld in the welding process is effectively solved, and the welding seam area of the welding workpiece can be immediately macroscopically observed after the optical fiber laser welding, whether the surface of the workpiece is oxidized or not and whether undercut occurs are observed, the surface roughness meter can be used, the infrared thermometer monitors the welding fineness and the welding temperature in real time without dismounting the welded workpiece from a fixture table, the subsequent process is facilitated, whether the selection of welding parameters such as the laser power, the welding speed and the defocusing amount is proper or not is determined, and the welding efficiency is greatly improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical fiber laser welding device is characterized by comprising a driving mechanism, a turnover mechanism and a clamping plate (14);

the driving mechanism is connected with the turnover mechanism, and the turnover mechanism is connected with the clamping plate (14);

the driving mechanism comprises a turnover motor (4) and a turnover driving gear (5), and the turnover motor (4) is connected with the turnover driving gear (5);

the turnover mechanism comprises a turnover driven gear (7), a turnover shaft unit and a turnover connecting plate unit, wherein the turnover driven gear (7) is connected with a turnover driving gear (5), the turnover driven gear (7) is connected with the turnover shaft unit, and the turnover shaft unit is connected with the turnover connecting plate unit;

the turnover connecting plate unit is connected with a clamping plate (14).

2. The optical fiber laser welding apparatus according to claim 1, wherein the flip shaft unit and the flip connecting plate unit are symmetrically disposed on both sides of the clamping plate (14).

3. The optical fiber laser welding device according to claim 1, wherein the flip shaft unit comprises a flip shaft (9), a flip bearing seat (10) and a double row angular contact bearing (11);

the turnover shaft (9) is connected with the turnover driven gear (7), the turnover shaft (9) penetrates through the turnover bearing seat (10), and the double-row angular contact bearing (11) is sleeved on the outer side of the turnover shaft (9);

and one end of the turning shaft (9) far away from the turning driven gear (7) is connected with the turning connecting plate unit.

4. An optical fiber laser welding apparatus according to claim 3, wherein the flip-up connection plate unit includes a flip-up plate (12) and a flip-up right-angle connection plate (13);

one end of the turning shaft (9) far away from the turning driven gear (7) is connected with a turning plate (12), the turning plate (12) is connected with a turning right-angle connecting plate (13), and the turning right-angle connecting plate (13) is connected with a clamping plate (14).

5. The optical fiber laser welding device according to claim 4, wherein the turning shaft (9) is connected with the turning driven gear (7) through a rack (6), the turning shaft (9) is arranged at one side of the turning driven gear (7), and the rack (6) is arranged at the lower ends of the turning shaft (9) and the turning driven gear (7).

6. An optical fiber laser welding device according to claim 3, characterized in that a stopper (2) is provided at one side of the flip bearing housing (10).

7. An optical fiber laser welding device according to claim 6, characterized in that the limiting stopper (2) is arranged on one side of the turnover bearing seat (10) through a limiting stopper (1), the limiting stopper (1) is rigidly connected with the turnover bearing seat (10), and the limiting stopper (2) is connected with the limiting stopper (1).

8. An optical fiber laser welding device according to claim 1, characterized in that the turnover motor (4) is fixed by a motor mounting plate (3), the motor mounting plate (3) is vertically connected with the end face of the turnover bearing seat (10) far away from the clamping plate (14), and the turnover motor (4) is arranged on the upper end face of the motor mounting plate (3).