CN219561785U

CN219561785U - Direct cooling type laser welding machine

Info

Publication number: CN219561785U
Application number: CN202320415445.0U
Authority: CN
Inventors: 闫继太; 杜军豪; 罗桥宏; 杨小平; 马世云
Original assignee: Shenzhen Youkong Laser Technology Co ltd
Current assignee: Shenzhen Youkong Laser Technology Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-08-22
Anticipated expiration: 2033-03-08

Abstract

The utility model relates to the category of laser welding equipment, in particular to a direct-cooling type laser welding machine. The utility model relates to a direct-cooling type laser welding machine, which comprises: a housing; a compressor mounted within the housing; a radiator installed in the case; the radiator inlet is connected with the compressor outlet through a first pipeline; a laser generator mounted within the housing; the laser generator inlet is connected with the radiator outlet through a second pipeline; the laser generator outlet is connected with the compressor inlet through a third pipeline; a first expansion valve communicated with the second pipeline is arranged between the radiator outlet and the laser generator inlet; the laser welding gun is connected with the laser generator through an optical fiber cable; the shell is provided with a controller; the controller is electrically connected with the laser generator, the radiator, the laser welding gun and the first expansion valve.

Description

Direct cooling type laser welding machine

Technical Field

The utility model relates to the category of laser welding equipment, in particular to a direct-cooling type laser welding machine.

Background

The laser welder is also commonly called a laser welder, an energy negative feedback laser welder, a laser cold welder and the like, and is a machine used for processing and laser welding materials. The working modes of the laser welding machine can be divided into a laser mold burning welding machine (manual laser welding equipment), an automatic laser welding machine, a jewelry laser welding machine, a laser spot welder, an optical fiber transmission laser welding machine, a galvanometer welding machine, a handheld welding machine and the like, and the special laser welding equipment comprises a sensor welding machine, a silicon steel sheet laser welding device and a keyboard laser welding device.

Laser welding is to use high-energy laser pulse to locally heat the material in micro-area, and the energy of laser radiation is guided to the internal diffusion of the material through heat transfer to melt the material to form a specific molten pool. The novel welding mode is mainly used for welding thin-wall materials and precise parts, spot welding, butt welding, stitch welding, sealing welding and the like can be realized, the depth-to-width ratio is high, the width of a welding line is small, the heat affected zone is small, the deformation is small, the welding speed is high, the welding line is smooth and attractive, the welding line is not required to be treated or only is required to be treated simply after welding, the welding line is high in quality, no air hole exists, the precise control is realized, the focusing light spot is small, the positioning precision is high, and the automation is easy to realize.

With the development of welding technology, the requirements of the welding equipment on the aspects of working environment adaptability, efficiency, service life, volume, quality, appearance and the like are gradually improved, but the existing laser welding machine has the technical defects of poor working environment adaptability, low efficiency, short service life, large volume, mass and complex structure. In addition, in the aspect of heat dissipation, the existing laser welding machine uses water cooling to dissipate heat, so that the heat dissipation capacity is poor, and the problems of poor applicability to working environment, low efficiency and the like are also aggravated.

Disclosure of Invention

The utility model aims to solve the technical defects of poor working environment adaptability, low efficiency, short service life, large volume, mass and complex structure of the existing laser welding machine and the problems of poor heat radiation capability, and further exacerbation of poor working environment applicability and low efficiency of the existing laser welding machine by using water cooling.

In order to solve the technical problems, the direct-cooling type laser welding machine of the utility model comprises:

a housing;

a compressor mounted within the housing; the compressor has a compressor inlet and a compressor outlet;

a radiator installed in the case; the radiator is provided with a radiating inlet and a radiating outlet; the radiator inlet is connected with the compressor outlet through a first pipeline;

a laser generator mounted within the housing; the laser generator is provided with a connection inlet and a connection outlet; the laser generator inlet is connected with the radiator outlet through a second pipeline; the laser generator outlet is connected with the compressor inlet through a third pipeline;

a first expansion valve communicated with the second pipeline is arranged between the radiator outlet and the laser generator inlet;

the laser welding gun is connected with the laser generator through an optical fiber cable;

the shell is provided with a controller; the controller is electrically connected with the laser generator, the radiator, the laser welding gun, the first expansion valve and the second expansion valve.

As a preferred embodiment of the direct-cooling type laser welding machine, the direct-cooling type laser welding machine comprises a fourth pipeline, wherein one end of the fourth pipeline is connected with the outlet of the compressor, and the other end of the fourth pipeline is connected with the inlet of the laser generator;

and a second expansion valve communicated with the fourth pipeline is arranged between the compressor outlet and the laser generator inlet.

As a preferred embodiment of the direct-cooling laser welding machine of the present utility model, a filter communicating with the third pipe is provided between the outlet of the laser generator and the inlet of the compressor.

As a preferred embodiment of the direct-cooling type laser welding machine, the direct-cooling type laser welding machine comprises a starting capacitor, wherein the starting capacitor is electrically connected with the compressor and the controller.

As a preferred embodiment of the direct-cooling type laser welding machine, the direct-cooling type laser welding machine comprises a temperature sensor, wherein the temperature sensor is arranged on the laser generator and is electrically connected with the controller.

As a preferred implementation scheme of the direct-cooling type laser welding machine, a roller which is fixedly connected is arranged below the shell; a handle fixedly connected is arranged above the shell.

As a preferred implementation mode of the direct-cooling type laser welding machine, the direct-cooling type laser welding machine comprises a rectification transformation module, wherein the rectification transformation module is electrically connected with the laser generator and the laser welding gun.

Advantageous effects

The present utility model solves the above existing problems and other existing problems not mentioned one by one above and brings at least the following innovative advantages accordingly:

the utility model has small volume and light weight; meanwhile, the refrigerating speed is high, the equipment work is not influenced by the environmental temperature, and the working environment adaptability is good; on the other hand, the pipeline for conveying the refrigerant is directly connected with the laser generator, and the high Wen Yuan device in the laser welding machine is directly cooled, so that the cooling effect of equipment is effectively improved, and the problems of poor heat dissipation capability and complex and fussy mechanism caused by the fact that the existing equipment uses water cooling for heat dissipation are solved.

The utility model is convenient to carry in the using process by arranging the rollers and the handles, so as to increase the application of the equipment to different working environments.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a perspective view of the internal structure of the present utility model;

FIG. 4 is a side view of the present utility model;

fig. 5 is a graph of electrical control versus heat dissipation cycle for each component of the present utility model.

In the figure: 1. the system comprises a shell, a compressor inlet, a compressor outlet, a radiator inlet, a radiator outlet, a first pipeline, a laser generator, a connecting inlet, a connecting outlet, a second pipeline, a third pipeline, a first expansion valve, a laser welding gun, a fiber optic cable, a controller, a fourth pipeline, a second expansion valve, a filter, a starting capacitor, a temperature sensor, a roller, a handle and a rectifying and voltage transforming module.

Detailed Description

In order to make the objects, technical solutions and advantages of the technical solutions of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the specific embodiments of the present disclosure.

Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present disclosure.

All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

As shown in fig. 1 to 5, the direct-cooling type laser welding machine of the present utility model includes a housing 1, and fig. 1 to 3 show the shape of the housing 1 from different angles, respectively, but the shape structure is not limited, and other shapes may be substituted. Comprising a compressor 2, fig. 3 shows the compressor 2 mounted in said casing 1; fig. 5 shows that the compressor 2 has a compressor inlet 3 and a compressor outlet 4. Comprising a heat sink 5, fig. 3 shows the heat sink 5 mounted within the housing 1; fig. 5 shows the radiator 5 having a heat radiation inlet 6 and a heat radiation outlet 7; the radiator 5 inlet is connected to the compressor outlet 4 via a first conduit 8. Comprising a laser generator 9, fig. 3 shows that the laser generator 9 is mounted in the housing 1; fig. 5 shows that the laser generator 9 has a connection inlet 10 and a connection outlet 11; the inlet of the laser generator 9 is connected with the outlet of the radiator 5 through a second pipeline 12; the outlet of the laser generator 9 is connected to the compressor inlet 3 via a third conduit 13. Fig. 5 shows that a first expansion valve 14 is arranged between the outlet of the radiator 5 and the inlet of the laser generator 9, which is in communication with the second conduit 12. And figures 1 to 5 respectively show a laser welding gun 15, which laser welding gun 15 is connected to the laser generator 9 by means of a fiber optic cable 16. Fig. 5 shows a case 1 in which a controller 17 is installed; the controller 17 is electrically connected to the laser generator 9, the heat sink 5, the laser welding gun 15, the first expansion valve 14, and the second expansion valve 19.

Fig. 5 shows that the device further comprises a fourth pipe 18, one end of the fourth pipe 18 is connected with the compressor outlet 4, and the other end is connected with the inlet of the laser generator 9; a second expansion valve 19 is arranged between the compressor outlet 4 and the inlet of the laser generator 9 and is communicated with the fourth pipeline 18.

Fig. 5 shows that a filter 20 is arranged between the outlet of the laser generator 9 and the compressor inlet 3 in communication with the third conduit 13. And comprises a start capacitor 21, wherein the start capacitor 21 is electrically connected with the compressor 2 and the controller 17.

Fig. 5 shows that the laser generator 9 is provided with a temperature sensor 22, which temperature sensor 22 is electrically connected to the controller 17.

Figures 1, 2 and 4 show that the roller 23 is fixedly connected under the casing 1; a handle 24 fixedly connected is arranged above the shell 1. Wherein the arrangement of the roller 23 and the handle 24 allows for easy movement during use to increase the application of the device to different working environments.

Fig. 3 shows that the laser welding gun further comprises a rectification transformation module 25, and the rectification transformation module 25 is electrically connected with the laser generator 9 and the laser welding gun 15.

In the direct-cooling type laser welding machine, the controller 17 is started, and the laser generator 9 starts to work; wherein the temperature sensor 22 is used to detect a temperature change of the laser generator; the utility model has two working modes, the first working mode is: when the temperature of the laser generator 9 is increased to a preset upper limit temperature, the compressor 2 is started, the compressor 2 compresses and pushes the refrigerant in the pipeline to flow, the refrigerant passes through the radiator 5 and the first expansion valve 14 to the laser generator 9, and heat exchange is carried out between the coil inside the laser generator 9 and the laser generator 9, so that the inside of the laser generator 9 is cooled; re-enter the compressor and repeat the cycle. The second mode of operation is: when the temperature of the laser generator 9 is reduced to the lower limit temperature set by the program, or the utility model is applied to the winter low-temperature weather in the north of China, the temperature of the laser generator 9 is reduced to the lower limit temperature set by the program, and at the moment, the first expansion valve 14 is closed, so that the compressor 2 pushes the refrigerant to directly enter the laser generator 9 along the fourth pipeline 18 and the second expansion valve 19.

The utility model has small volume, light weight and convenient carrying; meanwhile, the refrigerating speed is high, the equipment work is not influenced by the environmental temperature, and the working environment adaptability is good; on the other hand, the pipeline for conveying the refrigerant is directly connected with the laser generator 9, and the high Wen Yuan device in the laser welding machine is directly cooled, so that the cooling effect of equipment is effectively improved, and the problem of poor heat dissipation capacity caused by the fact that the existing equipment uses water cooling for heat dissipation is solved.

The terms first, second and the like in the description and in the claims, are not used for any order, quantity or importance, but are used for distinguishing between different elements. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

The preferred embodiments of the present utility model described above are not intended to limit the present utility model, and the scope of the present utility model is defined by the appended claims, and other embodiments can be obtained from the drawings without inventive faculty to those skilled in the art, and any modifications based on the claims of the present utility model are also the scope of the present utility model.

Claims

1. A direct-cooled laser welder, comprising:

a housing;

a laser generator mounted within the housing; the laser generator is provided with a connection inlet and a connection outlet; the laser generator inlet is connected with the radiator outlet through a second pipeline; the laser generator outlet is connected with the compressor inlet through a third pipeline; a first expansion valve communicated with the second pipeline is arranged between the radiator outlet and the laser generator inlet;

the device comprises a fourth pipeline, wherein one end of the fourth pipeline is connected with the outlet of the compressor, and the other end of the fourth pipeline is connected with the inlet of the laser generator;

a second expansion valve communicated with the fourth pipeline is arranged between the compressor outlet and the laser generator inlet;

2. The direct-cooled laser welder of claim 1, wherein a filter is disposed between the laser generator outlet and the compressor inlet in communication with the third conduit.

3. The direct-cooled laser welder of claim 1, comprising a start capacitor electrically connected to the compressor and the controller.

4. The direct-cooled laser welder of claim 1, comprising a temperature sensor mounted to the laser generator, the temperature sensor electrically connected to the controller.

5. The direct-cooled laser welder of claim 1, wherein a fixedly connected roller is arranged below the casing; a handle fixedly connected is arranged above the shell.

6. The direct-cooled laser welder of claim 1, comprising a rectifier transformer module electrically connected to the laser generator and the laser welding gun.