CN214161719U

CN214161719U - Heat dissipation mechanism of electric welding machine

Info

Publication number: CN214161719U
Application number: CN202023018432.5U
Authority: CN
Inventors: 章海平
Original assignee: Lewei Pump Co ltd
Current assignee: Lewei Pump Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-09-10
Anticipated expiration: 2030-12-15

Abstract

The utility model provides an electric welding heat dissipation mechanism belongs to mechanical technical field. This electric welding heat dissipation mechanism includes the casing, the circuit board in the casing is located to the level and vertical two fin of fixing on the circuit board, the casing left and right sides is equipped with air inlet and income gas pocket respectively, two fin are controlled side by side, air inlet department installs the supply-air fan one to the fin, be equipped with the support that is L shape in the casing, the support comprises the supporting shoe that the level set up and the connecting block of vertical setting, the connecting block lower extreme links firmly with the casing, be fixed with the suction fan who upwards bleeds and the supply-air fan two of supplying air toward the fin direction on supporting shoe and the connecting block respectively, supply-air fan one and supply-air fan two positions are just right, and two fin are in between supply-air fan one and the supply-air fan two, the suction fan is directly over the fin, still be equipped with the pipe fitting in the casing, the outlet of suction fan is connected to pipe fitting one end, the pipe fitting other end stretches out the casing. This electric welding heat dissipation mechanism radiating effect is good.

Description

Heat dissipation mechanism of electric welding machine

Technical Field

The utility model belongs to the technical field of machinery, a electric welding, especially an electric welding heat dissipation mechanism 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, and the transformer is a high-power transformer.

The components and parts on the circuit board in current electric welding generally realize radiating through the fin that sets up on the circuit board, for example an electric welding heat radiation structure [ application number: 201610174866.3, including the bottom plate of electric welding, control circuit board, transformer and fan, still include the vertical aluminium base board of installing on the bottom plate, aluminium base board openly is equipped with the horizontally aluminium fin of multilayer, and control circuit board connects in the upper surface of top layer aluminium fin, and the transformer sets up in aluminium fin one side, and the binding post of transformer extends to the opposite side of aluminium fin, the fan sets up in aluminium base board the place ahead middle part, and the air outlet is towards aluminium base board.

The electric welding machine dissipates heat through the fan, and the heat dissipation effect and the efficiency are not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an electric welding heat dissipation mechanism, the technical problem of solution is how to improve the radiating effect.

The purpose of the utility model can be realized by the following technical proposal: the electric welding machine heat dissipation mechanism comprises a casing, a circuit board horizontally arranged in the casing and two heat radiating fins vertically fixed on the circuit board, wherein an air inlet and an air inlet hole are formed in the left side and the right side of the casing respectively, the two heat radiating fins are arranged side by side on the left side and the right side, a first air supply fan opposite to the heat radiating fins is installed at the air inlet, an L-shaped support is arranged in the casing and consists of a support block horizontally arranged and a connecting block vertically arranged, the lower end of the connecting block is fixedly connected with the casing, an air suction fan exhausting upwards and a second air supply fan supplying air to the heat radiating fins are fixed on the support block and the connecting block respectively, the first air supply fan is opposite to the second air supply fan, the two heat radiating fins are located between the first air supply fan and the second air supply fan, the air suction fan is located right above the heat radiating fins, a pipe fitting is further arranged in the casing, one end of the pipe fitting is connected with an outlet of the air suction fan, and the other end of the pipe fitting extends out of the casing.

When the cooling fan is used, the first air supply fan and the second air supply fan supply air to the radiating fins at the same time, the air at the radiating fins is pumped out of the shell through the exhaust fan, the changing speed of the air at the radiating fins is effectively accelerated, the radiating speed and the radiating efficiency of the radiating fins are enhanced, the interior of the shell is rapidly cooled, and the working stability is good.

In foretell electric welding heat dissipation mechanism, foretell pipe fitting is L shape, and the pipe fitting comprises all being pipy horizontal segment and vertical section, and the export of vertical section intercommunication suction fan, horizontal segment stretch out the casing, makes the air exhauster level exhaust, effectively avoids operating personnel to lift the electric welding and contacts with steam when removing, reduces the potential safety hazard and takes place.

In foretell electric welding heat dissipation mechanism, be equipped with the through-hole that the horizontal segment stretches out on the casing, the through-hole is circular, and the horizontal segment is the pipe form that matches with the through-hole, and the horizontal segment lateral wall pastes with the through-hole pore wall and leans on to the steady support pipe fitting reduces the exhaust shake.

In foretell electric welding heat dissipation mechanism, circuit board left side middle part border links firmly with the casing through the bolt, and circuit board right side middle part border is equipped with the vertical through-hole that runs through, and the vertical internal thread cover that is equipped with between circuit board and the casing diapire, internal thread cover and casing link firmly, and the circuit board is pressed and is sheathe in the internal thread, has convex screw thread post on the connecting block diapire, and the screw thread post passes the through-hole and revolves in the internal thread cover, and the connecting block supports presses on the circuit board roof. Screwing the threaded column into the internal threaded sleeve can simultaneously realize the positioning of the circuit board and the bracket, so that the assembly is facilitated by reducing the mounting steps.

In foretell electric welding heat dissipation mechanism, be equipped with the block rubber in the internal thread cover, the roof and the diapire of block rubber are sticis respectively on screw thread post diapire and casing diapire for the shake that buffering support department transmission was come and is produced by supply-air fan two and air exhauster makes whole exhaust process smooth and easy, steady operation.

In the heat dissipation mechanism of the electric welding machine, the rubber block is fixedly connected with the shell in a bonding mode.

Compared with the prior art, the heat dissipation mechanism of the electric welding machine has the following advantages:

1. when the cooling fan is used, the first air supply fan and the second air supply fan supply air to the radiating fins at the same time, the air at the radiating fins is pumped out of the shell through the exhaust fan, the changing speed of the air at the radiating fins is effectively accelerated, the radiating speed and the radiating efficiency of the radiating fins are enhanced, the interior of the shell is rapidly cooled, and the working stability is good.

2. Screwing the threaded column into the internal threaded sleeve can simultaneously realize the positioning of the circuit board and the bracket, so that the assembly is facilitated by reducing the mounting steps.

Drawings

FIG. 1 is a schematic view of a heat dissipating mechanism of a welding bug.

Fig. 2 is an enlarged schematic view at a in fig. 1.

In the figure, 1, a housing; 1a, air inlet holes; 2. a circuit board; 3. a heat sink; 4. a first air supply fan; 5. a support; 5a, a supporting block; 5b, connecting blocks; 5b1, threaded post; 6. an internal thread sleeve; 7. an exhaust fan; 8. a second air supply fan; 9. a pipe fitting; 9a, a horizontal section; 9b, a vertical section; 10. a rubber block.

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.

As shown in fig. 1, the heat dissipation mechanism of the electric welding machine comprises a casing 1, a circuit board 2 horizontally arranged in the casing 1, and two heat dissipation fins 3 vertically fixed on the circuit board 2. The left side and the right side of the machine shell 1 are respectively provided with an air inlet and a plurality of air inlet holes 1a, and the number of the air inlet holes 1a is multiple; the two radiating fins 3 are arranged in parallel left and right; the air inlet is provided with a first air supply fan 4 which is opposite to the radiating fins 3, and when the first air supply fan 4 runs, air is supplied to the radiating fins 3.

Specifically, as shown in fig. 1 and 2, an L-shaped bracket 5 is disposed in the casing 1, and the bracket 5 is an integrated structure and is composed of a horizontally disposed supporting block 5a and a vertically disposed connecting block 5 b. Connecting block 5b lower extreme links firmly with casing 1, and in this embodiment, connecting block 5b and casing 1's fixed mode as follows: a nut is arranged between the middle edge of the left side of the circuit board 2 and the shell 1, the nut is fixedly connected with the shell 1, and the left side of the circuit board 2 is fixedly connected with the shell 1 through a bolt which penetrates through the circuit board 2 and is screwed in the nut; 2 right side middle part borders of circuit board are equipped with the vertical through-hole that runs through, the vertical internal thread cover 6 that is equipped with between 1 diapire of circuit board 2 and casing, internal thread cover 6 links firmly with casing 1, circuit board 2 presses on internal thread cover 6, convex screw post 5b1 has on the connecting block 5b diapire, and screw post 5b1 and connecting block 5b formula structure as an organic whole, screw post 5b1 passes the through-hole and revolves in internal thread cover 6, and connecting block 5b supports and presses on 2 roof of circuit board, make circuit board 2 press from both sides tight location between screw cover and connecting block 5b, when the equipment like this, screw post 5b1 revolves into in toward internal thread cover 6, can realize circuit board 2 and support 5 location simultaneously, in order through reducing the installation step, do benefit to the equipment.

As shown in fig. 1, a suction fan 7 for sucking air upward and a second blowing fan 8 for blowing air toward the heat sink 3 are fixed to the support block 5a and the connection block 5b, respectively. The first air supply fan 4 is opposite to the second air supply fan 8, and the two radiating fins 3 are arranged between the first air supply fan 4 and the second air supply fan 8. The extraction fan 7 is arranged right above the radiating fins 3, a pipe fitting 9 is further arranged in the machine shell 1, one end of the pipe fitting 9 is connected with an outlet of the extraction fan 7, and the other end of the pipe fitting 9 extends out of the machine shell 1. In this embodiment, the second blowing fan 8 and the second suction fan 7 are fixedly connected with the bracket 5 through bolts; the pipe body is connected with the exhaust fan 7 through a flange structure.

Wherein, pipe fitting 9 is L shape and formula structure as an organic whole, and pipe fitting 9 comprises all being pipy horizontal segment 9a and vertical section 9b, and the export of vertical section 9b intercommunication suction fan 7, horizontal segment 9a stretch out casing 1, make air exhauster level exhaust, effectively avoid operating personnel to lift the electric welding and remove when with steam contact, reduce the potential safety hazard and take place. The through hole that the last horizontal segment 9a that supplies of preferred casing 1 stretches out is circular, and horizontal segment 9a is the pipe form that matches with the through hole, and horizontal segment 9a lateral wall pastes with the through hole pore wall and leans on to the steady support pipe fitting 9 reduces the exhaust shake.

Further, the rubber block 10 is arranged in the internal thread sleeve 6, and the top wall and the bottom wall of the rubber block 10 are respectively tightly pressed on the bottom wall of the thread column 5b1 and the bottom wall of the machine shell 1, so that the vibration transmitted from the support 5 and generated by the air supply fan II 8 and the exhaust fan is buffered, and the whole exhaust process is smooth and stable in operation. Preferably, the rubber block 10 is fixedly connected with the casing 1 by a bonding mode.

When the cooling fan is used, the first air supply fan 4 and the second air supply fan 8 supply air to the radiating fins 3 at the same time, the air at the radiating fins 3 is pumped out of the machine shell 1 through the air pumping fan 7, the changing speed of the air at the radiating fins 3 is effectively accelerated, the cooling speed and the cooling efficiency of the radiating fins 3 are enhanced, the interior of the machine shell 1 is rapidly cooled, and the working stability is good.

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 heat dissipation mechanism of the electric welding machine comprises a machine shell (1), a circuit board (2) horizontally arranged in the machine shell (1) and two heat dissipation fins (3) vertically fixed on the circuit board (2), wherein the left side and the right side of the machine shell (1) are respectively provided with an air inlet and an air inlet hole (1a), the two heat dissipation fins (3) are arranged in parallel from left to right, and a first air supply fan (4) which is right opposite to the heat dissipation fins (3) is arranged at the air inlet, the heat dissipation mechanism is characterized in that an L-shaped support (5) is arranged in the machine shell (1), the support (5) consists of a horizontally arranged support block (5a) and a vertically arranged connecting block (5b), the lower end of the connecting block (5b) is fixedly connected with the machine shell (1), an air suction fan (7) for sucking air upwards and a second air supply fan (8) for supplying air to the direction of the heat dissipation fins (3) are respectively fixed on the support block (5a) and the connecting block (5b), the first air supply fan (4) and the second air supply fan (8) are right opposite, and the two radiating fins (3) are positioned between the first air supply fan (4) and the second air supply fan (8), the exhaust fan (7) is arranged right above the radiating fins (3), a pipe fitting (9) is also arranged in the casing (1), one end of the pipe fitting (9) is connected with an outlet of the exhaust fan (7), and the other end of the pipe fitting (9) extends out of the casing (1).

2. The heat dissipating mechanism of an electric welding machine as claimed in claim 1, wherein the pipe member (9) is L-shaped, the pipe member (9) being formed by a horizontal portion (9a) and a vertical portion (9b) both having a tubular shape, the vertical portion (9b) being connected to the outlet of the suction fan (7), the horizontal portion (9a) extending out of the casing (1).

3. The heat dissipation mechanism of electric welding machine as claimed in claim 2, wherein the housing (1) is provided with a through hole for the horizontal section (9a) to extend through, the through hole is circular, the horizontal section (9a) is in the shape of a circular tube matching with the through hole, and the outer side wall of the horizontal section (9a) is attached to the wall of the through hole.

4. The heat dissipation mechanism of electric welding machine according to claim 1, wherein the middle edge of the left side of the circuit board (2) is fixedly connected with the casing (1) through a bolt, the middle edge of the right side of the circuit board (2) is provided with a through hole which vertically penetrates through, an internal thread sleeve (6) is vertically arranged between the circuit board (2) and the bottom wall of the casing (1), the internal thread sleeve (6) is fixedly connected with the casing (1), the circuit board (2) is pressed on the internal thread sleeve (6), the bottom wall of the connecting block (5b) is provided with a convex thread column (5b1), the thread column (5b1) penetrates through the through hole and is screwed in the internal thread sleeve (6), and the connecting block (5b) is pressed on the top wall of the.

5. The heat dissipation mechanism of electric welding machine as claimed in claim 4, wherein the internal thread bush (6) is provided with a rubber block (10), and the top wall and the bottom wall of the rubber block (10) are respectively pressed against the bottom wall of the threaded column (5b1) and the bottom wall of the machine shell (1).

6. The heat dissipating mechanism of an electric welding machine according to claim 5, wherein the rubber block (10) is fixedly connected to the casing (1) by bonding.