CN111730268A

CN111730268A - Laser welding fixture and laser welding workstation

Info

Publication number: CN111730268A
Application number: CN202010643931.9A
Authority: CN
Inventors: 蒋习锋; 岳念举
Original assignee: Jinan GWeike Science & Technology Co ltd
Current assignee: Jinan GWeike Science & Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-10-02

Abstract

The invention discloses a laser welding fixture and a laser welding workstation, and belongs to the field of laser welding. Including device main part and operation panel, the bottom of device main part is connected with the mounted frame, and the bottom of mounted frame is provided with the slide rail, the top of mounted frame is provided with the motor platform, and the top of motor platform is provided with the motor, the top of motor is provided with the motor carousel, and the top of motor carousel is provided with main pivot, the top of main pivot is provided with pivot linking mechanism, the top right side of device main part is provided with flexible fixed block, and the right side of flexible fixed block is provided with the foot rest. According to the invention, through the arrangement of the suspension bracket and the slide rail, the device has a retractable structure, when the device is operated, the suspension bracket is operated by the motor to retract, the suspension bracket retracts into the slide rail, and the motor platform and the device main body form an up-and-down fit structure, so that the space occupation amount of the device during the whole operation is reduced, the main rotating shaft and the auxiliary rotating shaft can be connected, and the power transmission operation is facilitated.

Description

Laser welding fixture and laser welding workstation

Technical Field

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

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source, the laser welding is one of important aspects of laser material processing technology application, the laser welding is mainly used for welding thin-wall materials and low-speed welding in the 20 th century in the 70 th, the welding process belongs to a heat conduction type, namely, laser radiation heats the surface of a workpiece, surface heat is guided to diffuse inside through heat conduction, and the workpiece is melted by controlling parameters such as the width, energy, peak power, repetition frequency and the like of laser pulse to form a specific molten pool.

However, the existing laser welding fixture still has certain defects, for example, in chinese patent application No. CN201910884581.2, a "laser welding fixture" is disclosed, which includes a monitoring sensor and the like. The following disadvantages exist in the above patents: if during the anchor clamps centre gripping, the disappearance of its clamping-force results in the work piece to cause the removal when welding, arouses the skew of welding point and welded quality defect, has influenced welded operating efficiency on the whole.

Traditional laser-beam welding machine is in welding process, and clamping means's local problem leads to the work piece welding process because of the fastness problem emergence offset phenomenon, leads to the inaccurate of welding position, and consequently, market needs provide a laser welding jig that can effectively centre gripping work piece, is convenient for to the centre gripping operation of work piece to realize the accurate welding of laser.

Disclosure of Invention

The invention aims to solve the problem that the position of a workpiece is deviated due to firmness in the welding process because of the local problem of clamping a tool in the welding process of the traditional laser welding machine, and provides a laser welding clamp.

In order to achieve the purpose, the invention adopts the following technical scheme: a laser welding fixture comprises a main body and an operating platform, wherein the bottom of the main body is connected with a suspension bracket, the bottom of the suspension bracket is provided with a slide rail, the top of the suspension bracket is provided with a motor platform, the top of the motor platform is provided with a motor, the top of the motor is provided with a motor turntable, the top of the motor turntable is provided with a main rotating shaft, the top of the main rotating shaft is provided with a rotating shaft connecting mechanism, the right side of the top of the main body is provided with a telescopic fixed block, the right side of the telescopic fixed block is provided with a foot rest, the top of the telescopic fixed block is provided with a telescopic column, the top of the telescopic column penetrates through a fixed platform, the top of the telescopic column is provided with a fixed strip, the top of the fixed platform is provided with a U-shaped supporting plate, the top of the U-, and the rear side of the transmission belt is provided with a rotating shaft disc, the top of the rotating shaft disc is connected with a rotating shaft, and the bottom of the rotating shaft is connected with a clamp mechanism.

Preferably, the suspension bracket is of a telescopic structure, the telescopic length of the suspension bracket is not less than the length of the main rotating shaft, the suspension bracket is perpendicular to the middle point of the sliding rail, and the suspension bracket and the sliding rail are of an embedded structure.

Preferably, the foot rest sets up four altogether, and four foot rests equally divide into two sets ofly, two sets of foot rests are the axisymmetric structure, the foot rest is complete laminated structure with the contact edge of device main part, fixed flexible piece.

Preferably, the bottom that the pivot links up the mechanism is provided with the draw-in groove, and the top that the pivot linked up the mechanism is provided with the counter shaft, be provided with the arc mount around the counter shaft, and the other end of arc mount is connected with the axis of rotation, be provided with all around of axis of rotation and collude the type buckle, and the inboard of colluding the type buckle is provided with the spring.

Preferably, the clamping grooves are arranged in two groups, the two groups of clamping grooves are in an axisymmetrical structure, the clamping grooves and the hook-shaped buckles are in an embedded structure, and the hook-shaped buckles are completely embedded in the clamping grooves.

Preferably, the arc mount sets up two sets ofly altogether, and two sets of arc mounts are laminated structure completely with the counter shaft, the arc mount passes through the axis of rotation with colluding the type buckle and constitutes rotatable structure, and colludes the turned angle of type buckle and be 30.

Preferably, the top of anchor clamps structure is provided with the lower press, and the bottom of pushing down the press is provided with the pressure column, the bottom of pressure column is connected with splint, the bottom of lower press is connected with the annular frame, and the top surface of annular frame is provided with the operation panel, the top of pressure column is provided with the through hole, and the bottom of through hole is provided with the slip strip, the front side of pressure column is provided with the removal slide rail.

Preferably, the slide bar is U style of calligraphy structure, and the slide bar is sliding structure, the movable slide rail is sliding structure, and the slip length of movable slide rail is less than the height of pressure post, splint and operation panel are parallel structure, and splint personally submit complete laminated structure with the laminating of operation panel.

A laser welding workstation adopts a laser welding fixture

Compared with the prior art, the invention provides a laser welding fixture, which has the following beneficial effects:

1. this laser welding anchor clamps, through the setting of mounted frame and slide rail, make the device have a collapsible structure, the device is when the operation, and motor operation mounted frame contracts, and the mounted frame will contract in the slide rail, and laminating structure about motor platform and the device main part will constitute, and the space when having reduced the whole operation of device occupies the volume to can link up main pivot and vice pivot, the transmission operation of the power of being convenient for.

2. This laser welding anchor clamps through the setting of pivot linking mechanism, makes the device possess the structure that can link up transmission power, colludes the type buckle under the rotation effect of axis of rotation, can rotate to inside, makes and colludes the type buckle and imbeds completely in the draw-in groove, and along with the shrink action of spring, can contract the type buckle with colluding and contract to the draw-in groove in, ensures its fastness, has guaranteed the hundreds of percents of power and has conveyed to the draw-in groove

3. This laser welding anchor clamps, through the setting of pressure column, make the more efficient of the clamping action of device, the through hole in the pressure column can slide and the fixed action to the pressure column with the slip strip, and the sliding action about the movable slide rail carries out drives splint and pushes down to carry out the centre gripping operation to the work piece on the operation panel, under dual gliding effect, guaranteed the fastness of centre gripping work piece, provide good operation condition for laser welding.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the invention can provide a structure which is convenient to shrink and can be used for clamping strongly, the phenomenon that a workpiece deviates under the action of a clamping tool is avoided, and the integral timeliness of laser welding is effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of a laser welding fixture according to the present invention;

FIG. 2 is a schematic structural diagram of a fixture mechanism of a laser welding fixture according to the present invention;

FIG. 3 is a schematic structural view of a suspension bracket of a laser welding fixture according to the present invention;

FIG. 4 is a schematic structural view of a laser welding fixture spindle engaging mechanism according to the present invention;

fig. 5 is a schematic structural diagram of a pressure column of a laser welding fixture according to the present invention.

In the figure: the device comprises a device main body 1, a suspension bracket 2, a sliding rail 3, a motor table 4, a motor 5, a motor turntable 6, a main rotating shaft 7, a rotating shaft connecting mechanism 8, a clamping groove 801, an auxiliary rotating shaft 802, an arc-shaped fixing bracket 803, a rotating shaft 804, a hook-shaped buckle 805, a spring 806, a telescopic fixing block 9, a foot rest 10, a telescopic column 11, a fixing table 12, a fixing strip 13, a supporting plate 14U, a rotating shaft disc 15, a driving belt 16, a rotating shaft disc 17, a rotating shaft 18, a clamp mechanism 19, a pressing machine 20, a pressure column 21, a penetrating hole 2101, a sliding strip 2102, a movable sliding rail 2103, a clamping plate 22, a ring-shaped bracket 23.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present invention

Referring to fig. 1-5, a laser welding workstation, which adopts the following laser welding fixture, a laser welding fixture, includes a device body 1 and an operation table 24, the bottom of the device body 1 is connected with a suspension frame 2, the bottom of the suspension frame 2 is provided with a slide rail 3, the suspension frame 2 is a telescopic structure, the telescopic length of the suspension frame 2 is not less than the length of a main rotating shaft 7, the suspension frame 2 is perpendicular to the middle point position of the slide rail 3, and the suspension frame 2 and the slide rail 3 are in an embedded structure, when the device is operated, a motor 5 operates the suspension frame 2 to contract, the suspension frame 2 contracts in the slide rail 3, and a motor table 4 and the device body form an upper and lower attaching structure, thereby reducing the space occupation amount when the device is operated integrally, and connecting the main rotating shaft 7 and an auxiliary rotating shaft 802, facilitating the power transmission operation, the top of the suspension frame 2 is provided with a motor table 4, the top of the motor table 4 is provided with a motor 5, the top of the motor 5 is provided with a motor turntable 6, the top of the motor turntable 6 is provided with a main rotating shaft 7, the top of the main rotating shaft 7 is provided with a rotating shaft connecting mechanism 8, the right side of the top of the device main body 1 is provided with a telescopic fixed block 9, the right side of the telescopic fixed block 9 is provided with four foot rests 10, the four foot rests 10 are divided into two groups, the groups of foot rests 10 are in an axisymmetric structure, the foot rests 10 are in a complete laminating structure by fixing the contact edges of the telescopic blocks 10 on the device main body 1, the fixed positions of the device main body 1 and the telescopic fixed block 9 are ensured, a horizontal stable transmission operation environment is provided for a transmission belt 16 at the top, the top of the telescopic fixed block 9 is provided with a telescopic column 11, the top of the telescopic column 11 penetrates through a fixed table 12, the, the top of the U-shaped supporting plate 14 is provided with an auxiliary rotating shaft disc 15, the surface of the auxiliary rotating shaft disc 15 is provided with a driving belt 16, the rear side of the driving belt 16 is provided with a rotating shaft disc 17, the top of the rotating shaft disc 17 is connected with a rotating shaft 18, the bottom of the rotating shaft 18 is connected with a clamp mechanism 19, two groups of clamping grooves 801 are arranged, the two groups of clamping grooves 801 are in an axial symmetry structure, the clamping grooves 801 and the hook-shaped buckles 805 are in an embedded structure, the hook-shaped buckles 805 are completely embedded in the clamping grooves 801, the hook-shaped buckles 805 can rotate inwards under the rotation action of the rotating shaft 804 to enable the hook-shaped buckles 805 to be completely embedded in the clamping grooves 801, the hook-shaped buckles 805 can be contracted into the clamping grooves 801 along with the contraction action of the spring 806 to ensure the firmness, two groups of arc-shaped fixing frames 803 are arranged, the two groups of arc-shaped fixing frames 803 are in a completely attached, and the turned angle of colluding type buckle 805 is 30, the fastness of arc mount 803 has been ensured, thereby indirect for colluding type buckle 805 provides firm base, keep linking of main pivot 7 and auxiliary pivot 802 stable, slide bar 2102 is U style of calligraphy structure, and slide bar 2102 is slidable structure, give the sliding action that pressure column 21 pushed down, remove slide rail 2103 and be the sliding structure, and the slip length of removing slide rail 2103 is less than the height of pressure column 21, it is connected with pushing down machine 20 to ensure to remove the slide rail 2103 top, splint 22 is parallel structure with operation panel 24, and splint 22 personally submits complete laminated structure with the laminating of operation panel 24, can carry out furthest's centre gripping with the work piece, provide firm operation environment for laser welding.

The working principle is as follows: for the laser welding fixture, firstly, the motor 5 is opened to provide power for the main body of the device, the suspension bracket 2 contracts under the action of the motor, the contracted framework is embedded into the slide rail 3, along with the rising of the motor table 4, the main rotating shaft 7 at the top of the motor 5 is connected with the rotating shaft connecting mechanism 8, in the rotating shaft connecting mechanism 8, the rotating shaft 804 on the auxiliary rotating shaft 802 and the hook-shaped buckle 805 form a rotating structure and form an embedded structure with the rising clamping groove 801, the hook-shaped buckle 805 can be completely embedded into the clamping groove 801, the structure is firm, under the contraction action of the spring 806, the embedding force of the hook-shaped buckle 8050 and the clamping groove 801 is enhanced, so that the power transmission operation of the auxiliary rotating shaft 802 driven by the main rotating shaft 7 is realized, when the power is transmitted to the auxiliary rotating shaft 802, the auxiliary rotating shaft disc 15 at the top of the auxiliary rotating shaft 802 can rotate at the same angle, the conveyor belt 16 completely attached to the auxiliary rotating shaft disc 15 can transmit the power to the rotating, and the rotating shaft 18 is driven to rotate, so that the remote transmission of power to the clamp mechanism 19 is realized, in the clamp mechanism 19, along with the supply of power, the press 20 starts to operate, the pressure column 21 starts to perform pressing motion, the synchronous descending operation of the clamping plate 22 is driven, the through hole 2101 in the pressure column 21 and the press 20 are in a connecting structure, the press is convenient to transmit pressure to the pressure column 21, the movable sliding rail 2103 performs descending movement through sliding action, along with the continuous operation of the pressure column 21, the clamping plate 22 and the operating platform 24 are drawn close to each other at a distance, and a workpiece on the operating platform 24 is clamped.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A laser welding fixture comprises a main body (1) and an operating platform (24), and is characterized in that the bottom of the main body (1) is connected with a suspension bracket (2), the bottom of the suspension bracket (2) is provided with a slide rail (3), the top of the suspension bracket (2) is provided with a motor platform (4), the top of the motor platform (4) is provided with a motor (5), the top of the motor (5) is provided with a motor turntable (6), the top of the motor turntable (6) is provided with a main rotating shaft (7), the top of the main rotating shaft (7) is provided with a rotating shaft linking mechanism (8), the right side of the top of the main body (1) is provided with a telescopic fixed block (9), the right side of the telescopic fixed block (9) is provided with a foot rest (10), the top of the telescopic fixed block (9) is provided with a telescopic column (11), and the top of the telescopic column (11) penetrates through a, the top of flexible post (11) is provided with fixed strip (13), the top of fixed station (12) is provided with U type backup pad (14), and the top of U type backup pad (14) is provided with counter shaft disc (15), the surface of counter shaft disc (15) is provided with drive belt (16), and the rear side of drive belt (16) is provided with pivot disc (17), the top of pivot disc (17) is connected with pivot (18), and the bottom of pivot (18) is connected with fixture (19).

2. The laser welding fixture according to claim 1, wherein the suspension bracket (2) is of a telescopic structure, the telescopic length of the suspension bracket (2) is not less than the length of the main rotating shaft (7), the suspension bracket (2) is perpendicular to the middle point of the sliding rail (3), and the suspension bracket (2) and the sliding rail (3) are of an embeddable structure.

3. The laser welding fixture according to claim 1, wherein four foot rests (10) are provided, and four foot rests (10) are divided into two groups, the two groups of foot rests (10) are in an axisymmetric structure, and the foot rests (10) are in a completely fitting structure with the contact edges of the device body (1) and the fixed telescopic block (10).

4. The laser welding fixture according to claim 1, wherein a clamping groove (801) is formed in the bottom of the rotating shaft engaging mechanism (8), an auxiliary rotating shaft (802) is arranged at the top of the rotating shaft engaging mechanism (8), an arc-shaped fixing frame (803) is arranged around the auxiliary rotating shaft (802), a rotating shaft (804) is connected to the other end of the arc-shaped fixing frame (803), a hook-shaped buckle (805) is arranged around the rotating shaft (804), and a spring (806) is arranged on the inner side of the hook-shaped buckle (805).

5. The laser welding fixture as claimed in claim 4, wherein there are two sets of the slots (801), and the two sets of the slots (801) are axially symmetric, the slots (801) and the hook-shaped fasteners (805) are embedded, and the hook-shaped fasteners (805) are completely embedded inside the slots (801).

6. The laser welding fixture according to claim 4, wherein two sets of the arc-shaped fixing frames (803) are provided, and the two sets of the arc-shaped fixing frames (803) are completely attached to the secondary rotating shaft (802), the arc-shaped fixing frames (803) and the hook-shaped fasteners (805) form a rotatable structure through the rotating shaft (804), and the rotating angle of the hook-shaped fasteners (805) is 30 °.

7. The laser welding fixture as recited in claim 1, characterized in that a lower press (20) is arranged at the top of the fixture structure (19), a pressure column (21) is arranged at the bottom of the lower press (20), a clamping plate (22) is connected to the bottom of the pressure column (21), an annular frame (23) is connected to the bottom of the lower press (20), an operation table (24) is arranged on the top surface of the annular frame (23), a through hole (2101) is arranged at the top of the pressure column (21), a sliding strip (2102) is arranged at the bottom of the through hole (2101), and a movable sliding rail (2103) is arranged at the front side of the pressure column (21).

8. The laser welding fixture according to claim 7, wherein the sliding strip (2102) is of a U-shaped structure, the sliding strip (2102) is of a slidable structure, the movable sliding rail (2103) is of a slidable structure, the sliding length of the movable sliding rail (2103) is smaller than the height of the pressure column (21), the clamping plate (22) and the operating platform (24) are of a parallel structure, and the jointing surface of the clamping plate (22) and the operating platform (24) is of a completely jointed structure.

9. A laser welding station, characterized in that the laser welding jig of claim 1 is used.