CN111716000A

CN111716000A - Laser welding device

Info

Publication number: CN111716000A
Application number: CN202010635019.9A
Authority: CN
Inventors: 钟伟洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2020-09-29

Abstract

The invention relates to the technical field of laser welding, in particular to a laser welding device, which comprises a base; a groove is formed in the right side of the base, and a welding table is arranged inside the groove; the upper end of the left side of the base is provided with a sliding chute, a sliding plate is slidably mounted on the sliding chute, and the sliding plate realizes sliding displacement on the sliding chute at the upper end of the left side of the base through a displacement assembly; the upper end of the sliding plate is provided with a vertical plate, the upper end of the vertical plate is provided with a lifting assembly, the upper end of the lifting assembly is provided with an L-shaped frame, and a welding assembly is fixedly arranged on one side of the L-shaped frame; the laser welding device can adjust the position of the welding component arranged and fixed on the L-shaped frame up and down and left and right through the matching action of the arranged displacement component and the lifting component, so that the workpiece can be conveniently welded in multiple directions; and the lifting assembly with special structural design ensures that the whole lifting assembly is convenient to maintain in time when damaged and is convenient to disassemble and maintain.

Description

Laser welding device

Technical Field

The invention relates to the technical field of laser welding, in particular to a laser welding device.

Background

The welding device has been developed for over 30 years, and the laser is ubiquitous. Because laser has high brightness, high directivity, high coherence and high monochromaticity, laser has been widely used in various aspects of life and scientific research, such as laser welding, laser cutting, laser drilling, laser acupuncture and moxibustion, laser cutting and the like. In laser welding, high-energy laser pulses are used for locally heating materials in micro-areas, energy radiated by laser is diffused into the materials through heat conduction, and the materials are melted to form a specific molten pool. The laser welding method is a novel welding mode, mainly aims at welding of thin-wall materials and precise parts, can realize spot welding, butt welding, stitch welding, seal welding and the like, has high depth-width ratio, small weld width, small heat affected zone, small deformation, high welding speed, flat and attractive weld joint, does not need to be processed or only needs to be simply processed after welding, has high weld joint quality, no air holes, can be accurately controlled, has small focusing light spots and high positioning precision, is easy to realize automation, and is one of important aspects of laser material processing technology application.

In the welding process of the laser welding device in the prior art, generally, after a workpiece to be welded is installed and fixed on a welding operation table, a person manually adjusts the height positions of the welding assembly in the vertical and horizontal directions, so that the welding assembly performs welding processing on the workpiece to be welded at different positions, and the welding processing efficiency is low due to manual adjustment; in addition, although the lifting assembly of a part of the laser welding device is operated by the matching action of the screw rod, the threaded sleeve and the motor, the screw rod and the threaded sleeve are seriously abraded, and along with long-time use, when the screw rod and the threaded sleeve are abraded to a certain degree and cannot be used and need to be disassembled and replaced again, the disassembly and assembly of the screw rod and the threaded sleeve are very troublesome.

In view of the above-mentioned problems in the background art, the present invention is directed to a laser welding apparatus.

Disclosure of Invention

The present invention is directed to a laser welding apparatus to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a laser welding apparatus, comprising: the welding device comprises a base, a welding table and a welding mechanism, wherein a groove is formed in the right side of the base, and the welding table is used for placing a workpiece to be welded; the upper end of the left side of the base is provided with a sliding chute, a sliding plate is slidably mounted on the sliding chute, and the sliding plate realizes sliding displacement on the sliding chute at the upper end of the left side of the base through a displacement assembly; the slide upper end is equipped with the riser, and lifting unit is installed to the riser upper end, and the lifting unit upper end is equipped with L frame, and L frame one side-mounting is fixed with the welding subassembly.

As a further scheme of the invention: the lower ends of the front side and the rear side of the sliding plate and the lower end of the middle of the sliding plate are respectively provided with a stop dog, the stop dogs at the lower ends of the front side and the rear side of the sliding plate are clamped at the outer end of the left side of the welding table, and the stop dogs at the lower end of the middle of the sliding plate; through the structural design, the sliding plate is ensured not to generate position deviation when sliding and moving on the upper end of the welding table.

As a still further scheme of the invention: the displacement assembly comprises an oil cylinder, a telescopic rod and a connecting block, the oil cylinder is fixedly installed in the sliding chute, the connecting block is arranged on one side of the sliding plate, and the oil cylinder is fixedly connected with the connecting block on one side of the sliding plate through the telescopic rod; and starting the oil cylinder, wherein the oil cylinder pushes the sliding plate at the upper end of the connecting block to slide and displace in the sliding groove through the telescopic rod, so that the transverse position of the welding assembly is adjusted.

As a still further scheme of the invention: the lifting assembly comprises a movable block and a rotary table, a groove is formed in the vertical plate, the movable block is movably arranged in the groove in the vertical plate, an L-shaped frame is arranged at the upper end of the movable block, and a protrusion is arranged on the surface of the movable block; the part of the turntable facing one side is provided with a curved block, and the curved block is clamped between the upper and lower bulges on the surface of the movable block.

As a still further scheme of the invention: a reduction gearbox is mounted on one side of the turntable, a driving shaft is arranged in the reduction gearbox, and the driving shaft is connected with a motor; the motor drives the rotating disc to rotate through the matching action of the driving shaft and the reduction gearbox, and the rotating disc is clamped between the two different bulges through the arranged different curved blocks, so that the height position of the movable block is lifted; through the lifting assembly with the structural design, the whole lifting assembly is convenient to maintain in time when damaged and is convenient to disassemble and maintain.

As a still further scheme of the invention: the welding assembly comprises a laser welding machine body, a top cover is arranged at the upper end of the laser welding machine body, a collecting lens is arranged on the laser welding machine body and connected with a camera, a laser welding machine accessory is fixed to the inner portion of the laser welding machine body, and a laser welding head is installed at the lower end of the laser welding machine body.

Compared with the prior art, the invention has the beneficial effects that:

the laser welding device can adjust the position of the welding assembly arranged and fixed on the L-shaped frame up, down, left and right through the matching action of the arranged displacement assembly and the lifting assembly, so that the workpiece can be conveniently welded at multiple positions; the lifting assembly is characterized in that a motor drives a rotary table to rotate through the matching action of a driving shaft and a reduction box, and the rotary table is clamped between two different bulges through different arranged bent blocks, so that the lifting of the height position of the movable block is realized; through the lifting assembly with the structural design, the whole lifting assembly is convenient to maintain in time when damaged and is convenient to disassemble and maintain.

Drawings

Fig. 1 is a schematic structural diagram of a laser welding apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a lifting assembly of a laser welding apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a welded assembly of a laser welding apparatus according to an embodiment of the present invention.

In the figure: 1-base, 2-slotting, 3-welding table, 4-stop block, 5-sliding plate, 6-oil cylinder, 7-telescopic rod, 8-sliding chute, 9-connecting block, 10-vertical plate, 11-L frame, 12-welding component, 13-lifting component, 14-movable block, 15-projection, 16-rotary table, 17-curved block, 18-driving shaft, 19-reduction box, 20-top cover, 21-condenser, 22-laser welding machine accessory and 23-laser welding head.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to specific embodiments.

Example 1

Referring to fig. 1, in embodiment 1 of the present invention, a laser welding apparatus includes: the welding device comprises a base 1, wherein a groove 2 is formed in the right side of the base 1, a welding table 3 is arranged inside the groove 2, and the welding table 3 is used for placing a workpiece to be welded; the upper end of the left side of the base 1 is provided with a sliding chute 8, a sliding plate 5 is slidably mounted on the sliding chute 8, and the sliding plate 5 realizes sliding displacement on the sliding chute 8 at the upper end of the left side of the base 1 through a displacement assembly; the upper end of the sliding plate 5 is provided with a vertical plate 10, the upper end of the vertical plate 10 is provided with a lifting assembly 13, the upper end of the lifting assembly 13 is provided with an L-shaped frame 11, and one side of the L-shaped frame 11 is fixedly provided with a welding assembly 12;

after a workpiece to be welded is placed on the welding table 3, the position of the sliding plate 5 in the sliding groove 8 is adjusted through the displacement assembly, after the position of the sliding plate 5 is adjusted, the welding assembly 12 is adjusted to be at a proper height position through the lifting assembly 13, the welding assembly 12 is started, and the workpiece mounted and fixed on the welding table 3 is subjected to laser welding;

furthermore, the lower ends of the front side and the rear side of the sliding plate 5 and the lower end of the middle of the sliding plate 5 are respectively provided with a stop block 4, the stop blocks 4 at the lower ends of the front side and the rear side of the sliding plate 5 are clamped at the outer end of the left side of the welding table 3, and the stop blocks 4 at the lower end of the middle of the sliding plate 5 are clamped in; through the structural design, the sliding plate 5 is ensured not to generate position deviation when sliding and displacing on the upper end of the welding table 3.

Example 2

Furthermore, the displacement assembly comprises an oil cylinder 6, an expansion rod 7 and a connecting block 9, the oil cylinder 6 is installed and fixed in the sliding chute 8, the connecting block 9 is arranged on one side of the sliding plate 5, and the oil cylinder 6 is fixedly connected with the connecting block 9 on one side of the sliding plate 5 through the expansion rod 7;

starting the oil cylinder 6, wherein the oil cylinder 6 pushes the sliding plate 5 at the upper end of the connecting block 9 to slide and displace in the sliding chute 8 through the telescopic rod 7, so that the transverse position of the welding assembly 12 is adjusted;

referring to fig. 2, further, the lifting assembly 13 includes a movable block 14 and a turntable 16, a slot is formed in the vertical plate 10, the movable block 14 is movably installed in the slot in the vertical plate 10, an L-shaped frame 11 is installed at the upper end of the movable block 14, and a protrusion 15 is formed on the surface of the movable block 14; a bent block 17 is arranged on the part of the turntable 16 facing one side, and the bent block 17 is clamped between the upper and lower bulges 15 on the surface of the movable block 14;

specifically, a reduction gearbox 19 is mounted on one side of the turntable 16, a driving shaft 18 is arranged inside the reduction gearbox 19, the driving shaft 18 is connected with a motor, and the motor is not drawn in the drawing of the specification due to the drawing attractive effect; the motor drives the turntable 16 to rotate through the matching action of the driving shaft 18 and the reduction gearbox 19, the rotating turntable 16 is clamped between two different bulges 15 through different arranged bent blocks 17, and the lifting of the height position of the movable block 14 is realized; the lifting assembly 13 with the structural design ensures that the whole lifting assembly 13 is convenient to maintain in time when damaged and is convenient to disassemble and maintain;

referring to fig. 3, further, the welding assembly 12 includes a laser welding machine body, a top cover 20 is disposed at the upper end of the laser welding machine body, a condenser 21 is disposed at the top end of the laser welding machine body, the condenser 21 is connected with a camera, a laser welding machine accessory 22 is fixedly mounted in the laser welding machine body, and a laser welding head 23 is mounted at the lower end of the laser welding machine body; the laser welding machine body, the laser welding machine accessory 22 and the laser welding head 23 are all the prior art and are not further described herein; when the operation of the laser welding machine body and the operation of the laser welding machine accessory 22 are matched for welding operation, the state of the whole inner part of the laser welding device in operation can be seen clearly in real time through the arranged camera, and the arranged condenser 21 ensures that the operation state of the inner part of the laser welding machine body can be seen clearly through the condensation effect of the condenser 21 even under the dark condition, so that the welding quality is improved;

the rest of the structure of example 2 is the same as example 1.

The working principle of the invention is as follows:

after a workpiece to be welded is placed on the welding table 3, the position of the sliding plate 5 in the sliding groove 8 is adjusted through the displacement assembly, the welding assembly 12 is opened after the position of the sliding plate 5 is adjusted to be at a proper height position through the lifting assembly 13, and the workpiece mounted and fixed on the welding table 3 is subjected to laser welding.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A laser welding apparatus, comprising: base (1), its characterized in that: a notch (2) is formed in the right side of the base (1), and a welding table (3) is arranged inside the notch (2); the upper end of the left side of the base (1) is provided with a sliding chute (8), the sliding chute (8) is provided with a sliding plate (5) in a sliding manner, and the sliding plate (5) realizes sliding displacement on the sliding chute (8) at the upper end of the left side of the base (1) through a displacement assembly; the welding device is characterized in that a vertical plate (10) is arranged at the upper end of the sliding plate (5), a lifting assembly (13) is installed at the upper end of the vertical plate (10), an L frame (11) is arranged at the upper end of the lifting assembly (13), and a welding assembly (12) is fixedly installed on one side of the L frame (11).

2. The laser welding apparatus according to claim 1, characterized in that: both sides lower extreme and slide (5) middle lower extreme all are equipped with dog (4) around slide (5), and dog (4) card of slide (5) front and back both sides lower extreme is in welding bench (3) left side outer end, and dog (4) card of slide (5) middle lower extreme is inside spout (8).

3. The laser welding apparatus according to claim 1, characterized in that: the displacement assembly comprises an oil cylinder (6), an expansion rod (7) and a connecting block (9), the oil cylinder (6) is installed and fixed inside a sliding groove (8), the connecting block (9) is arranged on one side of a sliding plate (5), and the oil cylinder (6) is fixedly connected with the connecting block (9) on one side of the sliding plate (5) through the expansion rod (7).

4. The laser welding apparatus according to claim 1, characterized in that: the lifting assembly (13) comprises a movable block (14) and a turntable (16), a groove is formed in the vertical plate (10), the movable block (14) is movably arranged in the groove in the vertical plate (10), and an L frame (11) is arranged at the upper end of the movable block (14).

5. The laser welding apparatus according to claim 4, characterized in that: the surface of the movable block (14) is provided with a bulge (15); the part of the turntable (16) facing one side of the movable block (14) is provided with a curved block (17), and the curved block (17) is clamped between the upper and lower bulges (15) on the surface of the movable block (14).

6. The laser welding apparatus according to claim 5, characterized in that: a reduction gearbox (19) is installed on one side of the rotary table (16), a driving shaft (18) is arranged inside the reduction gearbox (19), and the driving shaft (18) is connected with a motor.

7. The laser welding apparatus according to claim 1, characterized in that: the welding assembly (12) comprises a laser welding machine body, a top cover (20) is arranged on the top end of the laser welding machine body, a collecting lens (21) is arranged on the laser welding machine body, the collecting lens (21) is connected with a camera, a laser welding machine accessory (22) is fixedly arranged in the laser welding machine body, and a laser welding head (23) is arranged at the lower end of the laser welding machine body.