CN114505564B

CN114505564B - Heat dissipation device and heat dissipation method for electric welding machine

Info

Publication number: CN114505564B
Application number: CN202210037706.XA
Authority: CN
Inventors: 张建忠
Original assignee: Jiangsu Fuermu Welding Shares Co ltd
Current assignee: Jiangsu Fuermu Welding Shares Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2023-01-03
Anticipated expiration: 2042-01-13
Also published as: CN114505564A

Abstract

The invention discloses a heat dissipation device for an electric welding machine, which comprises a shell, wherein a door plate is arranged on the outer wall of the shell, a heat conduction mechanism is arranged on the upper side wall of the shell, mounting openings are formed in the outer walls of the two sides of the shell, mounting rings are mounted in the mounting openings, a filter screen is fixed in each mounting ring, a guide fan is fixed on the inner side of the mounting opening on the right side, sliding grooves located on the outer sides of the mounting openings are formed in the outer walls of the two sides of the shell, and scraping plates are arranged on the outer sides of the mounting openings. Has the advantages that: according to the invention, the heat dissipation in the shell is realized through the flow of water between the water tank I and the water tank II and the airflow introduced by the induced fan, meanwhile, the up-and-down movement of the scraper is realized through the up-and-down floating of the floating ball, the scraping of impurities on the surface of the filter screen is realized, the smooth flowing of the airflow in the shell is ensured, meanwhile, the contact area with air is increased through the expansion of the folding plate, the heat in the shell and the water tank I is promoted to be led out, and the heat dissipation effect is further increased.

Description

Heat dissipation device and heat dissipation method for electric welding machine

Technical Field

The invention relates to the technical field of electric welding machines, in particular to a heat dissipation device and a heat dissipation method for an electric welding machine.

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 principle of inductance is utilized, the inductance value can generate huge voltage change when being switched on and switched off, and the high-voltage electric arc generated when the positive electrode and the negative electrode are instantaneously short-circuited is utilized to melt the welding flux on the welding rod, so that the welding rod and the welding rod achieve the aim of atomic bonding.

The prior art CN212286242U discloses a heat dissipation device in an electric welding machine shell, which comprises a hollow welding machine shell, wherein a mounting plate is welded on the inner side wall of the welding machine shell, a welding machine main body is fixedly connected to the upper surface of the mounting plate, a circulating water pipe is coiled on the outer surface of the welding machine main body in a snake-shaped manner, two ends of the circulating water pipe are fixedly connected with the mounting plate in a penetrating manner, one end of the circulating water pipe is fixedly connected with a water pump, a mounting cavity is formed in the side wall of the welding machine shell, a wind cooling device and a dustproof device are arranged in the mounting cavity, a filter screen is embedded in the side wall of the welding machine shell, and cooling liquid is filled between the mounting plate and the inner bottom wall of the welding machine shell;

CN107999939A is a heat dissipation device of an electric welding machine, comprising a rectangular casing and a circuit board arranged in the casing, wherein the heat dissipation structure comprises a heat dissipation aluminum plate attached to the bottom surface of the circuit board, a straight strip air passage is arranged in the heat dissipation aluminum plate, the length extension directions of the air passage and the casing are consistent, the two ends of the air passage are respectively an open end and a closed end, and an air outlet opposite to the open end is arranged on the side wall of the casing in a penetrating manner; an air inlet pipe is vertically and fixedly arranged in the machine shell and is positioned under the heat dissipation aluminum plate, the upper end of the air inlet pipe is communicated with the air flue, the lower end of the air inlet pipe extends out of the machine shell, and an air exhaust fan is fixed in the lower end of the air inlet pipe;

above-mentioned technique all discloses the mode that combines through forced air cooling or forced air cooling and water-cooling and dispels the heat, nevertheless can increase gradually at the in-process filter screen surface impurity of forced air cooling, and daily the in-process of placing also can have the accumulational phenomenon of dust impurity, and then influences the air current and flows, influences the radiating effect of casing inside.

In order to solve the above problems, we propose a heat dissipation device and a heat dissipation method for an electric welding machine.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a heat dissipation device and a heat dissipation method for an electric welding machine.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a heat abstractor for electric welding, includes the casing, be provided with the door plant on the outer wall of casing, the last lateral wall of casing is equipped with heat conduction mechanism, the installing port has all been seted up to the both sides outer wall of casing, install the collar in the installing port, the collar is internal to be fixed with the filter screen, right side the inboard of installing port is fixed with the induced fan, all set up the spout that is located the installing port outside on the both sides outer wall of casing, the outside of installing port is provided with the scraper blade, the tip of scraper blade is located the spout, be equipped with water pitcher one and water pitcher two in the casing, be connected with the outlet pipe on the outer wall of water pitcher one, be connected with the inlet tube on the outer wall of water pitcher two, be connected with the cooling tube that multistage and set up in succession between the tip of outlet tube and the tip of inlet tube, the lower lateral wall of water pitcher one slides and inserts and is equipped with connecting rod two, the last lateral wall of water pitcher two slides and inserts and is equipped with connecting rod one, the equal fixedly connected with the floater of tip of connecting rod one, the other end of connecting rod two is all fixed with the straight-bar through the horizontal pole, the both ends of straight-bar is fixed with magnet piece one, the magnet piece of the both ends of scraper blade, the magnet piece is adsorbed mutually.

In foretell a heat abstractor for electric welding, be equipped with pressure sensor in the casing, pressure sensor's sense terminal is located the interior bottom of water pitcher two, pressure sensor is connected with time delay switch, controller and water pump, the water pump is located water pitcher two, be connected with the back flow between the output of water pump and the water pitcher one, the check valve is installed to the tip of back flow.

In foretell a heat abstractor for electric welding, heat conduction mechanism is including the folded sheet that is located the casing upper side wall, the folded sheet comprises the folding heat conduction aluminum plate who sets up of multistage, adjacent two heat conduction aluminum plate's connection passes through the hinge and rotates the connection, the one end of folded sheet rotates with the upper side wall of casing to be connected, the other end of folded sheet is fixed with the batching, the upper side wall of casing is fixed with the motor, the drive end of motor is fixed with around the cloth roller, the other end winding of batching is on the outer wall around the cloth roller.

In the above heat dissipation device for an electric welding machine, a plurality of heat conductive soft plates are fixedly embedded at the tail end of the folding plate.

In the above heat dissipation device for an electric welding machine, the heat conductive soft plate is a heat conductive silica gel pad.

In the heat dissipation device for the electric welding machine, the mounting ring is provided with the cavity, the outer wall of the mounting ring is symmetrically inserted with the clamping plates in a sliding manner, the inner wall of the mounting opening is provided with the bayonet matched with the end part of the clamping plates in size, the compression spring is fixed between the end part of the clamping plates and the inner wall of the cavity, the outer wall of the clamping plates is fixed with the cylinder, the bottom wall of the mounting ring is inserted with the push rod in a sliding manner, the outer walls of the two sides of the push rod are both fixed with the fixed rods, and the end parts of the fixed rods are fixed with the trapezoidal plates in contact with the outer wall of the cylinder.

In the above heat dissipation device for an electric welding machine, the cross-sectional width of the trapezoidal plate gradually increases from top to bottom.

A heat dissipation method for a heat dissipation device of an electric welding machine comprises the following steps:

s1, introducing external air flow into a shell by an induced fan to dissipate heat inside the shell;

s2, discharging water in the water tank I into a cooling pipe through a water outlet pipe, adsorbing heat in the shell, and then discharging the water into the water tank II through a water inlet pipe;

s3, the water level in the first water tank is lowered, the height of the second connecting rod is lowered, the straight rod and the first magnet block are driven to move downwards through the cross rod, the right scraper is driven to move downwards through magnetic adsorption between the first magnet block and the second magnet block, impurities on the surface of the right filter screen are scraped, the water level of the second water tank is raised, the height of the first connecting rod is raised, the left scraper is moved upwards, the impurities on the surface of the left filter screen are scraped, and the surfaces of the filter screens on the two sides are cleaned;

s4, as the water amount in the water tank II increases and exceeds a pressure coefficient set by the controller, the controller controls the delay switch to be switched on, and the water pump is electrified to return the water pump in the water tank II to the water tank I, so that the circulating flow of water is realized;

s5, the motor drives and rotates around the cloth roller, carries out the rolling of batching, and the batching drives the folded sheet and expandes, increases the area of contact of folded sheet and air, and the heat in heat conduction soft board and the water pitcher in with the casing is derived, gives off to the folded sheet on, through the contact of folded sheet and air, with the heat effluvium fast.

Compared with the prior art, this a heat abstractor for electric welding's advantage lies in:

according to the invention, the heat dissipation in the shell is realized through the flow of water between the water tank I and the water tank II and the airflow introduced by the induced fan, meanwhile, the up-and-down movement of the scraper is realized through the up-and-down floating of the floating ball, the scraping of impurities on the surface of the filter screen is realized, the smooth flowing of the airflow in the shell is ensured, meanwhile, the contact area with air is increased through the expansion of the folding plate, the conduction of heat in the shell and the water tank I is promoted, and the heat dissipation effect is further increased.

Drawings

FIG. 1 is a schematic view of a heat sink for an electric welding machine according to the present invention, showing a folded plate thereof not unfolded;

FIG. 2 is a schematic view illustrating a state of the heat sink for an electric welding machine according to the present invention when the foldable plate is unfolded;

FIG. 3 is a schematic diagram of an internal structure of a housing of the heat dissipation apparatus for an electric welding machine according to the present invention;

FIG. 4 is a schematic structural view of a first connecting rod and a second connecting rod connected to a floating ball in the heat dissipation device for an electric welding machine according to the present invention;

FIG. 5 is a side view of a mounting ring for use in a heat sink apparatus for a welding bug according to the present invention;

FIG. 6 is a schematic structural diagram of a connection between a first water tank and a heat conductive soft plate in the heat dissipation apparatus for an electric welding machine according to the present invention.

In the figure: the device comprises a shell 1, a door plate 2, a folding plate 3, a motor 4, a cloth winding roller 5, cloth rolling 6, a filter screen 7, a sliding chute 8, a scraping plate 9, a fan 10, a magnet block I11, a cross rod 12, a water tank I13, a water inlet pipe 14, a cooling pipe 15, a mounting ring 16, a push rod 17, a clamping plate 18, a compression spring 19, a cylinder 20, a trapezoidal plate 21, a fixed rod 22, a connecting rod I23, a connecting rod II 24, a floating ball 25, a heat conducting soft plate 26, a water tank II 27 and a return pipe 28.

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, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, a heat dissipation device for an electric welding machine, comprising a housing 1, a door panel 2 is arranged on the outer wall of the housing 1, a heat conduction mechanism is arranged on the upper side wall of the housing 1, the heat conduction mechanism comprises a folding plate 3 positioned on the upper side wall of the housing 1, the folding plate 3 is composed of a plurality of sections of heat conduction aluminum plates which are folded, two adjacent heat conduction aluminum plates are connected through a hinge in a rotating manner, one end of the folding plate 3 is connected with the upper side wall of the housing 1 in a rotating manner, a cloth winding 6 is fixed at the other end of the folding plate 3, a motor 4 is fixed on the upper side wall of the housing 1, a cloth winding roller 5 is fixed at the driving end of the motor 4, the other end of the cloth winding 6 is wound on the outer wall of the cloth winding roller 5, the end of folded sheet 3 is fixed to be inlayed and is equipped with a plurality of heat conduction soft boards 26, heat conduction soft board 26 is heat conduction silica gel pad, motor 4 drives and rotates the rolling that carries out batching 6 around cloth roller 5, the other end of batching 6 drives pulling folded sheet 3 and rotates the expansion, increase the area of contact of folded sheet 3 and air, increase the heat conduction area, the partial heat of heat in casing 1 and water pitcher 13 is derived to folded sheet 3 on through heat conduction soft board 26, realize the effluvium of the partial heat in casing 1 and water pitcher 13 through the contact of folded sheet 3 and air, the electric welding during stop work, motor 4 drives and winds 5 reversals of cloth roller, make the batching expand, folded sheet 3 gyration is folded.

The installing port has all been seted up to the both sides outer wall of casing 1, install collar 16 in the installing port, collar 16 internal fixation has filter screen 7, the inboard of the installing port on right side is fixed with induced air fan 10, all set up the spout 8 that is located the installing port outside on the both sides outer wall of casing 1, the outside of installing port is provided with scraper blade 9, the tip of scraper blade 9 is located spout 8, be equipped with water pitcher 13 and water pitcher two 27 in the casing 1, be connected with the outlet pipe on the outer wall of water pitcher 13, be connected with inlet tube 14 on the outer wall of water pitcher two 27, be connected with multistage and the cooling tube 15 that sets up in succession between the tip of outlet pipe and the tip of inlet tube 14, be equipped with pressure sensor in the casing 1, pressure sensor's sense terminal is located the interior bottom of water pitcher two 27, pressure sensor is connected with time delay switch, controller and water pump, the water pump is located two 27, be connected with between the output of water pump and the water pitcher 13, the check valve is installed to the tip of back flow in water pitcher 13, water pitcher one 13 flows in the water pitcher two 27, the reduction of the height of connecting rod two 24, it moves down through the straight-bar of magnet piece of the right side and move down the straight-bar, the magnetic block of the scraper blade 9, the magnetic filter screen of the magnetic block that the magnetic block moves, the filter screen 7 that the magnetic block moves, the magnetic block moves.

A second connecting rod 24 is slidably inserted into the lower side wall of the first water tank 13, a first connecting rod 23 is slidably inserted into the upper side wall of the second water tank 27, floating balls 25 are fixedly connected to the end portions of the first connecting rod 23 and the second connecting rod 24, straight rods are fixed to the other ends of the first connecting rod 23 and the second connecting rod 24 through cross rods, a first magnet block 11 is fixed to each end of each straight rod, and a second magnet block which is adsorbed to the first magnet block 11 is fixed to each end of the scraper 9.

The cavity has been seted up on collar 16, symmetry slip is inserted on collar 16's the outer wall and is equipped with cardboard 18, set up on the inner wall of installing port with cardboard 18 tip size assorted bayonet socket, be fixed with compression spring 19 between cardboard 18's the tip and the cavity inner wall, be fixed with cylinder 20 on cardboard 18's the outer wall, collar 16's diapire slip is inserted and is equipped with push rod 17, all be fixed with dead lever 22 on push rod 17's the both sides outer wall, the end fixing of dead lever 22 has trapezoidal plate 21 that contacts with cylinder 20 outer wall, trapezoidal plate 21 from top to bottom cross-section width increases gradually, cardboard 18 moves toward the outside under compression spring 19's reverse elasticity, make cardboard 18 card go into in the bayonet socket, accomplish collar 16's fixed, when carrying out collar 16's dismantlement, push rod 17 presses to the inboard, drive trapezoidal plate 21 upward movement through dead lever 22, trapezoidal plate 21 extrudes cylinder 20 and cardboard 18 and moves toward the inboard, make cardboard 18 break away from the bayonet socket, can accomplish dismantling of collar 16.

A heat dissipation method for a heat dissipation device of a welding machine comprises the following steps:

s1, an induced fan 10 introduces external air flow into the shell 1 to dissipate heat in the shell 1;

s2, discharging water in the first water tank 13 into the cooling pipe 15 through the water outlet pipe, adsorbing heat in the shell 1, and then discharging the water into the second water tank 27 through the water inlet pipe 14;

s3, the water level in the water tank I13 is lowered, the height of the connecting rod II 24 is lowered, the cross rod 12 drives the straight rod and the magnet block I11 to move downwards, the magnetic adsorption between the magnet block I11 and the magnet block II drives the right scraper 9 to move downwards, impurities on the surface of the right filter screen 7 are scraped, the water level of the water tank II 27 is raised, the height of the connecting rod I23 is raised, the left scraper 9 moves upwards, the impurities on the surface of the left filter screen 7 are scraped, and the surfaces of the two filter screens 7 are cleaned;

s4, as the water amount in the second water tank 27 increases and exceeds a pressure coefficient set by the controller, the controller controls the delay switch to be switched on, and the water pump is electrified to pump the water in the second water tank 27 back to the first water tank 13, so that the circulating flow of the water is realized;

s5, motor 4 drives and rotates around cloth roller 5, carries out the rolling of batching 6, and batching 6 drives folded sheet 3 and expandes, increases the area of contact of folded sheet 3 with the air, and heat conduction soft board 26 is derived the heat in with casing 1 and the heat in water pitcher 13, gives off to folded sheet 3 on, through the contact of folded sheet 3 with the air, with the heat effluvium fast.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a heat abstractor for electric welding, includes casing (1), its characterized in that, be provided with door plant (2) on the outer wall of casing (1), the last lateral wall of casing (1) is equipped with heat conduction mechanism, the installing port has all been seted up to the both sides outer wall of casing (1), install collar (16) in the installing port, the installing collar (16) internal fixation has filter screen (7), the right side the inboard of installing port is fixed with induced fan (10), all set up spout (8) that are located the installing port outside on the both sides outer wall of casing (1), the outside of installing port is provided with scraper blade (9), the tip of scraper blade (9) is located spout (8), be equipped with water pitcher one (13) and water pitcher two (27) in casing (1), be connected with the outlet pipe on the outer wall of water pitcher one (13), be connected with inlet tube (14) on the outer wall of water pitcher two (27), be connected with cooling tube (15) that the setting in succession between the tip of outlet pipe and the tip of inlet tube (14), the lower lateral wall of water pitcher one (13) is inserted and is equipped with the connecting rod (24), the connecting rod (23) of two, the straight-bar (23) and the pole (23) that the straight-bar (23) and the pole (23) are all are connected with one end of the pole (23) that the pole of the pole (24) are connected with one, a first magnet block (11) is fixed at each of two ends of the straight rod, and a second magnet block adsorbed with the first magnet block (11) is fixed at each of two ends of the scraper (9);

a pressure sensor is arranged in the shell (1), the detection end of the pressure sensor is positioned at the inner bottom of the water tank II (27), the pressure sensor is connected with a delay switch, a controller and a water pump, the water pump is positioned in the water tank II (27), a return pipe (28) is connected between the output end of the water pump and the water tank I (13), and a one-way valve is installed at the end part of the return pipe (28);

the heat conduction mechanism comprises a folding plate (3) positioned on the upper side wall of the shell (1), the folding plate (3) is composed of a plurality of sections of heat conduction aluminum plates which are arranged in a folding mode, two adjacent heat conduction aluminum plates are connected in a rotating mode through hinges, one end of the folding plate (3) is connected with the upper side wall of the shell (1) in a rotating mode, a piece of cloth rolling (6) is fixed to the other end of the folding plate (3), a motor (4) is fixed to the upper side wall of the shell (1), a cloth winding roller (5) is fixed to the driving end of the motor (4), and the other end of the cloth rolling (6) is wound on the outer wall of the cloth winding roller (5); and a plurality of heat-conducting soft plates (26) are fixedly embedded at the tail end of the folding plate (3).

2. A heat sink device for a welding bug according to claim 1, wherein the soft heat conducting plate (26) is a heat conducting silicone pad.

3. The heat dissipation device for the electric welding machine as claimed in claim 1, wherein a cavity is formed in the mounting ring (16), clamping plates (18) are symmetrically and slidably inserted into the outer wall of the mounting ring (16), a bayonet matched with the end of the clamping plate (18) is formed in the inner wall of the mounting opening, a compression spring (19) is fixed between the end of the clamping plate (18) and the inner wall of the cavity, a cylinder (20) is fixed onto the outer wall of the clamping plate (18), a push rod (17) is slidably inserted into the bottom wall of the mounting ring (16), fixing rods (22) are fixed onto the outer walls of two sides of the push rod (17), and a trapezoidal plate (21) in contact with the outer wall of the cylinder (20) is fixed onto the end of each fixing rod (22).

4. A heat sink for a welding bug as claimed in claim 3, characterised in that the trapezoidal plate (21) has a gradually increasing cross-sectional width from top to bottom.

5. A method of dissipating heat from a heat sink for a welding bug as claimed in claim 1 comprising the steps of:

s1, introducing external air flow into the shell (1) by using an induction fan (10) to radiate the interior of the shell (1);

s2, discharging water in the water tank I (13) into a cooling pipe (15) through a water outlet pipe, adsorbing heat in the shell (1), and then discharging the water into the water tank II (27) through a water inlet pipe (14);

s3, the water level in the water tank I (13) is lowered, the height of the connecting rod II (24) is lowered, the cross rod (12) drives the straight rod and the magnet block I (11) to move downwards, the scraper (9) on the right side is driven to move downwards through magnetic adsorption between the magnet block I (11) and the magnet block II, impurities on the surface of the filter screen (7) on the right side are scraped, the water level of the water tank II (27) is raised, the height of the connecting rod I (23) is raised, the scraper (9) on the left side is moved upwards, impurities on the surface of the filter screen (7) on the left side are scraped, and the surfaces of the filter screens (7) on the two sides are cleaned;

s4, as the water amount in the water tank II (27) increases and exceeds a pressure coefficient set by the controller, the controller controls the delay switch to be switched on, and the water pump is electrified to pump the water in the water tank II (27) back to the water tank I (13), so that the circulating flow of the water is realized;

s5, motor (4) drive rotates around cloth roller (5), carry out the rolling of batching (6), batching (6) drive folded sheet (3) and expand, increase the area of contact of folded sheet (3) and air, heat conduction soft board (26) are derived the heat in with casing (1) and the heat in water pitcher (13), give off to on folded sheet (3), through the contact of folded sheet (3) and air, with the heat effluvium fast.