CN217370871U

CN217370871U - Heat dissipation structure of electric welding machine

Info

Publication number: CN217370871U
Application number: CN202220726141.1U
Authority: CN
Inventors: 曹荣慧
Original assignee: Zhejiang Xingyi Ventilator Electrical Appliance Co ltd
Current assignee: Zhejiang Xingyi Ventilator Electrical Appliance Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-09-06
Anticipated expiration: 2032-03-30

Abstract

The utility model provides an electric welding heat radiation structure belongs to mechanical technical field. It has solved the current electric welding succinct problem inadequately. The heat dissipation structure of the electric welding machine comprises a shell and a heat dissipation fan arranged in the shell, wherein the heat dissipation fan comprises a flange, a circle of threaded holes are formed in the flange, a through hole which is right opposite to the heat dissipation fan and a plurality of connecting holes which are distributed along the circumferential direction of the through hole are arranged on the shell in a penetrating mode, a net-shaped structure is integrally formed in the through hole of the shell, the through hole is divided into a plurality of air guide holes through the net-shaped structure, and the axes of the air guide holes are parallel to the axis of the flange; the shell inwards extends from the connecting hole position and has an annular convex part, connecting hole and screw hole three the same and position one-to-one, and every annular convex part all presses on the flange, and flange and shell pass the screw that connecting hole and annular convex part and screw in screw hole in proper order through pole portion and link firmly, and all are provided with the screw in every connecting hole. This electric welding heat radiation structure is succinct.

Description

Heat dissipation structure of electric welding machine

Technical Field

The utility model belongs to the technical field of machinery, a electric welding, especially an electric welding heat radiation structure are related to.

Background

The electric welder is to utilize the high temperature electric arc produced by the instantaneous short circuit of the positive and negative poles to melt the welding flux and the welded material on the welding electrode and to combine the contacted material. The structure is very simple, namely a high-power transformer, and the electric welding machine can be generally divided into two types according to the types of output power supplies, namely an alternating current power supply and a direct current power supply. They use the principle of inductance, the inductance will generate huge voltage change when switching on and off, and the high-voltage arc generated by the instant short circuit of the positive and negative poles is used to melt the solder on the welding electrode, so that they reach the purpose of atomic bonding.

The electric welding machines on the market generally achieve the purpose of heat dissipation through built-in cooling fans. In order to work with the cooling fan, the electric welding machine shell is provided with a through hole which is opposite to the cooling fan, and the outer edge of the through hole is provided with a mesh enclosure which has a protection function.

Because the existing mesh enclosure generally protrudes out of the surface of the shell, the outer surface of the whole electric welding machine is not concise; meanwhile, the mesh enclosure and the cooling fan are connected through the same screw, and the mesh enclosure and the cooling fan need to be pressed simultaneously during installation, which is not beneficial to assembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an electric welding heat radiation structure, the technical problem of solution makes the structure become succinct.

The purpose of the utility model can be realized by the following technical proposal: the heat dissipation structure of the electric welding machine comprises a shell and a heat dissipation fan arranged in the shell, wherein the heat dissipation fan comprises a flange, a circle of threaded holes are formed in the flange, a through hole which is right opposite to the heat dissipation fan and a plurality of connecting holes which are distributed along the circumferential direction of the through hole are arranged on the shell in a penetrating mode, and the heat dissipation structure is characterized in that the shell is integrally formed with a net-shaped structure in the through hole, the through hole is divided into a plurality of air guide holes through the net-shaped structure, and the axes of the air guide holes are parallel to the axis of the flange; the shell inwards extends from the connecting hole position and is provided with an annular convex part, the connecting hole and the threaded hole are the same in quantity and are in one-to-one correspondence in position, each annular convex part is pressed on the flange, the flange and the shell sequentially penetrate through the rod part to be fixedly connected with the connecting hole, the annular convex part and the screw in the threaded hole, and the screws are arranged in each connecting hole.

The net-shaped structure with the protection function is directly and integrally formed in the through hole, mesh cover parts in the prior art are omitted, the structure is simplified by reducing the number of parts, the assembly is utilized, and the whole electric welding machine can be externally changed to be simpler and more attractive.

Secondly, annular convex part not only is used for radiator fan installation, makes to produce the clearance between radiator fan and the shell again and ensures normal air inlet, namely in this application, annular convex part has the dual-purpose effect of an object, further realizes that the structure is simplified, does benefit to the equipment.

In foretell electric welding heat radiation structure, foretell network structure includes a plurality of rings body that the coaxial line distributes and the strip body of a plurality of rings bodies of establishing ties, and ring body and flange coaxial arrangement, the strip body have a plurality ofly and follow ring body circumference equipartition, and strip body one end extends to on being in the most inboard ring body, and the strip body other end extends to the through-hole inner wall, makes the gas guide hole dispersion comparatively even, does benefit to gaseous entering for the heat dissipation.

As another scheme, in the heat dissipation structure of the electric welding machine, the mesh structure is in a grid shape, the mesh structure includes a plurality of cross beams and a plurality of longitudinal beams, and both ends of the cross beams and both ends of the longitudinal beams extend to inner walls of the through holes.

In the heat dissipation structure of the electric welding machine, the head of the screw is located in the corresponding annular convex part, and the head of the screw is tightly pressed on the inner wall of the annular convex part. The screw head is hidden in the annular convex part, so that the influence of the contact between the outside and the screw on the positioning effect of the cooling fan can be avoided, the convex area of the electric welding machine can be further reduced, and the structure is simpler.

In foretell electric welding heat radiation structure, annular convex part is the cone ring shape, and annular convex part diameter is crescent from inside to outside, the processing of being convenient for.

As another scheme, in the heat dissipation structure of the electric welding machine, an annular blocking edge is integrally formed on the inner wall of the annular convex portion, and the head of the screw presses the annular blocking edge.

Compared with the prior art, this electric welding heat radiation structure has following advantage:

1. the net-shaped structure with the protection function is directly and integrally formed in the through hole, mesh cover parts in the prior art are omitted, the structure is simplified by reducing the number of parts, the assembly is utilized, and the whole electric welding machine can be externally changed to be simpler and more attractive.

2. The annular convex part is not only used for radiator fan installation, makes the normal air inlet of production clearance guarantee between radiator fan and the shell again, and is exactly in this application, and the annular convex part has a dual-purpose effect of thing, further realizes that the structure is simplified, does benefit to the equipment.

3. The head of the screw is hidden in the annular convex part, so that the influence of the contact between the outside and the screw on the positioning effect of the cooling fan can be avoided, the convex area of the electric welding machine can be further reduced, and the structure is simpler.

Drawings

Fig. 1 is a perspective view of a heat dissipation structure of an electric welding machine.

Fig. 2 is a perspective view of the heat dissipation structure of the welding machine in another direction.

FIG. 3 is a schematic cross-sectional view of a heat dissipating structure of the welding bug.

Fig. 4 is a perspective view of the housing.

In the figure, 1, a housing; 1a, a through hole; 1b, connecting holes; 1c, air vents; 1d, an annular convex part; 1e, a ring body; 1f, a strip body; 2. a heat radiation fan; 2a, a flange; 3. and (4) screws.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, the heat dissipation structure of the electric welding machine includes a housing 1 and a heat dissipation fan 2 disposed in the housing 1.

Wherein the content of the first and second substances,

the heat dissipation fan 2 is of a conventional structure, and is commercially available. The structure of the cooling fan 2 used in the present application is similar to the LD7020H12 cooling fan produced by the Shenzhen leskets electronic limited. The heat dissipation fan 2 comprises a flange 2a, and a circle of threaded holes are formed in the flange 2 a. In the actual product, flange 2a is square ring form, and screw hole quantity is 4.

As shown in fig. 2, 3 and 4, a through hole 1a facing the cooling fan 2 and a plurality of connecting holes 1b distributed along the circumference of the through hole 1a are formed through the housing 1, and the connecting holes 1b and the through holes 1a have the same number and are in one-to-one correspondence in position. As shown in fig. 1, the housing 1 is integrally formed with a net structure in the through hole 1a, and the through hole 1a is divided into a plurality of air vents 1c by the net structure, and the axes of the air vents 1c are parallel to the axis of the flange 2 a. The shell 1 is integrally formed with annular convex portions 1d extending inwards from the positions of the connecting holes 1b, the annular convex portions 1d are the same in number and correspond to the connecting holes 1b in position one to one, and at the moment, the annular convex portions 1d are located between the flange 2a and the connecting holes 1 b. Every annular convex part 1d voltage-sharing is on flange 2a, and flange 2a and shell 1 pass connecting hole 1b and annular convex part 1d in proper order through the pole portion and screw 3 that the screw hole was screwed in links firmly, and all is provided with above-mentioned screw 3 in every connecting hole 1 b.

The direct integrated into one piece of network structure that plays the guard action is in through-hole 1a to save the screen panel part among the prior art, simplify the structure through reducing spare part quantity, not only utilize the equipment, can make the outside of whole electric welding become comparatively succinct moreover, pleasing to the eye.

In this embodiment, network structure includes a plurality of rings body 1e that the coaxial line distributes and the strip body 1f of a plurality of rings body 1e of series connection, ring body 1e and flange 2a coaxial arrangement, strip body 1f has a plurality ofly and along ring body 1e circumference equipartition, strip body 1f one end extends to on being in innermost ring body 1e, and the strip body 1f other end extends to through-hole 1a inner wall, makes gas guide hole 1c dispersion comparatively even, does benefit to gaseous entering for the heat dissipation.

Further, the head of the screw 3 is located in the corresponding annular convex portion 1d, and the head of the screw 3 is tightly pressed on the inner wall of the annular convex portion 1d, so that the influence of the contact between the outside and the screw 3 on the positioning effect of the heat dissipation fan 2 can be avoided, the convex area of the electric welding machine can be further reduced, and the structure is simpler. Preferably, the annular convex part 1d is in a conical ring shape, and the diameter of the annular convex part 1d is gradually increased from inside to outside, so that the processing is convenient.

In the actual product, the net-shaped structure is formed by machining. Naturally, when the housing 1 is made of a plastic material, the net structure can be injection molded together with the housing 1.

Example two

The structure and principle of the second embodiment are basically the same as those of the first embodiment, and different points are as follows: the net structure is in a grid shape and comprises a plurality of cross beams and a plurality of longitudinal beams, and the two ends of each cross beam and the two ends of each longitudinal beam extend to the inner wall of the through hole 1 a.

EXAMPLE III

The structure and principle of the third embodiment are basically the same as those of the first embodiment, and different points are as follows: an annular blocking edge is integrally formed on the inner wall of the annular convex part 1d, and the head of the screw 3 is pressed on the annular blocking edge.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The electric welding machine heat radiation structure comprises a shell (1) and a heat radiation fan (2) arranged in the shell (1), wherein the heat radiation fan (2) comprises a flange (2a), a circle of threaded holes are formed in the flange (2a), a through hole (1a) which is right opposite to the heat radiation fan (2) and a plurality of connecting holes (1b) which are circumferentially distributed along the through hole (1a) are arranged on the shell (1) in a penetrating manner, and the electric welding machine heat radiation structure is characterized in that the shell (1) is integrally formed in the through hole (1a) to form a net-shaped structure, the through hole (1a) is divided into a plurality of air guide holes (1c) through the net-shaped structure, and the axes of the air guide holes (1c) are parallel to the axis of the flange (2 a); casing (1) inwards extends integrated into one piece from connecting hole (1b) position and has annular convex part (1d), connecting hole (1b) and screw hole three the same and position one-to-one in quantity, every annular convex part (1d) voltage-sharing is on flange (2a), flange (2a) and casing (1) link firmly through screw (3) that pole portion passed connecting hole (1b) and annular convex part (1d) and screw in screw hole in proper order, and all be provided with above-mentioned screw (3) in every connecting hole (1 b).

2. The heat dissipation structure of electric welding machine according to claim 1, wherein the net structure comprises a plurality of ring bodies (1e) distributed coaxially and a strip body (1f) connected in series with the ring bodies (1e), the ring bodies (1e) and the flange (2a) are coaxially arranged, the strip body (1f) is provided with a plurality of ring bodies (1e) and is circumferentially and uniformly distributed along the ring bodies (1e), one end of the strip body (1f) extends to the ring body (1e) at the innermost side, and the other end of the strip body (1f) extends to the inner wall of the through hole (1 a).

3. The heat dissipating structure of a welding machine as claimed in claim 1, wherein the mesh structure is a grid structure, the mesh structure comprises a plurality of cross beams and a plurality of longitudinal beams, and both ends of the cross beams and both ends of the longitudinal beams extend to the inner wall of the through hole (1 a).

4. The heat dissipation structure of electric welding machine according to claim 1, 2 or 3, characterized in that the heads of the screws (3) are located in the corresponding annular protrusions (1d), and the heads of the screws (3) are pressed against the inner wall of the annular protrusions (1 d).

5. The heat dissipation structure of electric welding machine according to claim 4, wherein the annular protrusion (1d) is in the shape of a conical ring, and the diameter of the annular protrusion (1d) gradually increases from inside to outside.

6. The heat dissipating structure of an electric welding machine as claimed in claim 4, wherein the annular ledge (1d) is integrally formed on the inner wall thereof, and the head of the screw (3) is pressed against the annular ledge.