A silicon carbide inverter welding machine

Abstract

The invention discloses a silicon carbide inverter welding machine, belonging to the technical field of electric welding machines. The electric welding machine comprises an inverter electric welding machine housing, an installation side plate, a first filter hole plate, a second filter hole plate and a second adjustment component. By pushing a rotating block in the second adjustment component, a sliding rod body slides inside a guide sleeve, and a limiting tooth head is inserted into the inside of a limiting tooth hole. At this time, the rotating block is rotated so that the second filter hole plate on one side is staggered with the hole on the first filter hole plate, and the second filter hole plate on the other side is opposite to the hole on the first filter hole plate. The first filter hole plate and the second filter hole plate on one side are opened or closed by rotating and adjusting. When the welding machine is not in use, the second filter hole plate connected to the connecting rod body is first staggered with the adjacent first filter hole plate hole, and then the rotating block is pulled outward so that the limiting tooth head is pulled out of the limiting tooth hole, and the rotating block is rotated again so that the second filter hole plate connected to the guide sleeve is staggered with the adjacent first filter hole plate.

Description

Technical Field

[0001] The invention belongs to the technical field of electric welding machines, and in particular relates to a silicon carbide inverter welding machine. Background Art

[0002] Inverter arc welding power supply, also known as arc welding inverter, is a new type of welding power supply. This power supply generally converts the three-phase power frequency (50Hz) AC network voltage into DC through the input rectifier and filtering, and then inverts it into a medium frequency AC voltage of 1KHz to 100KHz through the alternating switching action of high-power switching electronic components (thyristor SCR, transistor GTR, field effect transistor MOSFET or IGBT), and at the same time, it is reduced to a voltage suitable for welding and in line with national certification standards through a transformer, and then rectified again and filtered by an inductor to output a fairly stable DC welding current.

[0003] For example, Chinese utility model patent CN213163558U discloses a portable silicon carbide high-frequency inverter welding machine, which includes an outer shell, a support leg on the bottom surface of the outer shell, a current generating mechanism and a heat dissipation mechanism of a transformer inside the outer shell, the current generating mechanism is installed on the heat dissipation mechanism, and the current generating mechanism adopts a DM three-phase rectifier module, a SiC mosfet full-bridge inverter circuit, a transformer and a SiC SBD rectifier circuit; the full-bridge inverter circuit adopts a silicon carbide field effect tube, and the output high-frequency alternating current is connected to the input ends of two series-connected transformers; the output ends of the two transformers are connected in parallel after the rectification circuit and connected to the welding handle wire; the heat dissipation mechanism includes a radiator, a heat dissipation plate, an air guide tube and a fan; the current generating mechanism is installed on the surface of the radiator, and a fan is fixedly installed outside the radiator; a nylon belt handle and a shoulder strap are provided on the upper surface of the outer shell. This inverter welding machine has a small size, light weight, high working efficiency, small switching loss, is easy to carry, convenient to use and has high stability.

[0004] Although the above-mentioned prior art can make the inverter welding machine small in size, light in weight, high in working efficiency, small in switching loss, easy to carry, convenient to use and high in stability, the heat dissipation air outlet direction of the inverter welding machine is fixed. When working in a high and narrow environment, the hot air blown out by the heat dissipation will blow in the direction of the staff, causing the staff's body temperature to increase, thereby reducing the environmental comfort during operation. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In order to solve the problem that the heat dissipation air outlet direction of the inverter welding machine proposed in the above background technology is fixed, when working in a high and narrow environment, the hot air blown out by the heat dissipation will blow towards the workers, causing the workers' body temperature to increase and reducing the environmental comfort during work, the present invention adopts the following technical solution.

[0007] A silicon carbide inverter welding machine comprises an inverter welding machine housing, a symmetrically arranged lifting handle is fixedly connected to the top of the inverter welding machine housing, mounting side panels are detachably connected to the outer walls of both sides of the inverter welding machine housing, first filter holes are arranged on the mounting side panels on both sides, a cooling fan is embedded in the top of the inverter welding machine housing, the cooling fan inputs external air into the interior of the inverter welding machine housing and blows it outward from the first filter holes on both sides, the first filter holes on both sides are rotatably connected to the outer walls of the interior of the inverter welding machine housing, a second adjustment component is installed between the second filter holes on both sides, and the second adjustment component adjusts the holes on the second filter holes and the first filter holes to stagger or overlap and change the air outlet position.

[0008] Preferably, a heat conducting plate is embedded in the inner bottom of the inverter welding machine housing, and heat dissipation fins are slidably connected to the outer walls on both sides of the heat conducting plate. A protrusion parallel to the inner bottom of the inverter welding machine housing is provided on the top of the heat conducting plate. The electronic components of the welding machine are installed on the inner bottom of the inverter welding machine housing to contact the heat conducting plate, and universal rollers with brakes are installed at the bottom of the heat dissipation fins on both sides.

[0009] Preferably, the opposite outer walls of the heat dissipating fins on both sides are fixedly connected with L-shaped connecting plates, the vertical plates of the L-shaped connecting plates on both sides extend downward, the horizontal sides of the L-shaped connecting plates on both sides extend relatively to each other, and universal rollers with brakes are installed on both sides of the bottom of the L-shaped connecting plates. A first adjusting component is installed at the bottom of the inverter welding machine housing, and the first adjusting component enables the heat dissipating fins on both sides to move toward or oppositely.

[0010] Preferably, a plurality of through grooves are provided on the heat dissipation fins, a penetration groove is provided on the outer wall of the heat conduction plate, the heat dissipation fins on both sides are slidably connected to the inside of the penetration grooves, a plurality of sliding plates are fixedly connected to the inside of the penetration grooves, and each through groove is stuck on the outer wall of the sliding plate.

[0011] Preferably, the sliding plate is provided with a first through hole, and the outer wall of the sliding plate is provided with a plurality of second through holes, and the axis of each second through hole is perpendicular to the axis of the first through hole.

[0012] Preferably, the upper end of the heat dissipation fan is rotatably connected to an adjustment plate, a plurality of air inlet slots are provided on the heat dissipation fan and the adjustment plate, and an adjustment knob is fixedly connected to the center of the upper end of the adjustment plate.

[0013] Preferably, the first adjustment component includes a dual-axis motor, an internally threaded sleeve and an adjusting screw. The dual-axis motor is detachably connected to the bottom center of the inverter welding machine housing, and the internally threaded sleeves are detachably connected to the rotating ends of the dual-axis motor on both sides. Fixed collars are fixedly connected to the bottom sides of the inverter welding machine housing, and the internally threaded sleeves on both sides are connected to the internal rotation of the fixed collars on both sides. The outer walls of the L-shaped connecting plates on both sides are fixedly connected to the adjusting screws on the opposite sides of the horizontal sides, and the adjusting screws are connected to the internal threads of the internally threaded sleeves. The rotation of the dual-axis motor drives the internally threaded sleeves on both sides to rotate, and then can cooperate with the threaded connection with the adjusting screws on both sides to push the heat dissipating fins on both sides, the L-shaped connecting plates and the universal rollers with brakes to move to the outside of the inverter welding machine housing, or shrink to the inside of the inverter welding machine housing.

[0014] Preferably, the second adjusting assembly includes a connecting rod body, a rotating block, a limiting tooth hole, a limiting tooth head, a guide sleeve and a sliding rod body. The second filter hole plate on one side is fixedly connected to the connecting rod body near the outer wall of the inverter welding machine housing, and a limiting tooth hole is arranged at the end of the connecting rod body. The second filter hole plate on the other side is fixedly connected to the outer wall of the inverter welding machine housing, and the guide sleeve is rotatably connected to the end of the connecting rod body. The internal sliding connection of the guide sleeve is connected to the limiting tooth head. The limiting tooth head is fixedly connected to the outer wall of the second filter hole plate on the other side and is close to the outer wall of the second filter hole plate on the other side, and is passed through the second filter hole plate on the other side and the first filter hole plate on the other side. The passing end of the sliding rod body is fixedly connected to the rotating block. The limiting tooth head is inserted into the inside of the limiting tooth hole so that the second filter hole plate on one side is always staggered with the holes on the first filter hole plate, and the holes on the second filter hole plate on the other side and the first filter hole plate are opposite.

[0015] Preferably, a partition plate is fixedly connected to the inner wall of the inverter electric welding machine housing, and a wire threading groove is provided on the partition plate, through which the connecting wires of the electronic components of the welding machine pass.

[0016] Preferably, the upper end of the partition plate is fixedly connected with a mounting sleeve, and the connecting rod body passes through the mounting sleeve.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. By pushing the rotating block in the second adjusting assembly, the sliding rod body slides inside the guide sleeve, and the limiting tooth head is inserted into the limiting tooth hole. At this time, the rotating block is rotated to make the second filter hole plate on one side staggered with the hole on the first filter hole plate, and the second filter hole plate on the other side is opposite to the hole on the first filter hole plate. By rotating and adjusting the first filter hole plate and the second filter hole plate on one side to be opened or closed, when the welding machine is not in use, the second filter hole plate connected to the connecting rod body is first staggered with the adjacent first filter hole plate hole, and then the rotating block is pulled outward to make the limiting tooth head withdraw from the limiting tooth hole, and the rotating block is rotated again to make the second filter hole plate connected to the guide sleeve staggered with the adjacent first filter hole plate, so that the holes of the first filter hole plate and the second filter hole plate on both sides can be staggered, which can prevent external dust from entering the interior of the inverter welding machine housing.

[0019] 2. When the air inlet slots are overlapped, the external wind is transported to the inside of the inverter welding machine housing through the air inlet slots in cooperation with the cooling fan. When the welding machine is not in use, the air inlet slots on the adjustment plate and the air inlet slots on the cooling fan are staggered by turning the adjustment knob, thereby preventing external dust from entering the inside of the inverter welding machine housing and achieving better dust prevention effect.

[0020] 3. The dual-axis motor in the first adjustment component is rotated to drive the internal threaded sleeves on both sides to rotate, and then the heat dissipation fins, L-shaped connecting plates and universal rollers with brakes on both sides are pushed to move to the outside of the inverter welding machine casing to increase the support area, or shrink to the inside of the inverter welding machine casing to reduce the occupancy of the external volume, and the welding machine can be fixed by locking the universal roller with brakes.

[0021] 4. The multiple through grooves can increase the contact area with the outside, thereby increasing the heat dissipation effect of the welding machine. The outward movement of the heat dissipation fins on both sides can increase the supporting force of the universal roller with brake on the inverter welding machine casing. As the heat dissipation fins extend outward, the contact area between the heat dissipation fins and the external air can be increased, which can also increase the heat dissipation effect. By setting the L-shaped connecting plates on both sides, the L-shaped connecting plates can be located at the bottom of the inverter welding machine casing when the heat dissipation fins on both sides are contracted, thereby enabling the universal roller with brake to move to the bottom of the inverter welding machine casing without occupying external space.

[0022] 5. The setting of the sliding plate can increase the speed of heat transfer from the heat conducting plate to the heat dissipating fin plate, thereby increasing the speed of heat dissipation. The setting of the first through hole and the second through hole can prevent the pressure inside the penetration groove from increasing due to excessive temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of a silicon carbide inverter welding machine in the present invention;

[0024] Figure 2 It is a schematic diagram of the connection structure between the inverter welding machine housing and the universal roller in the present invention;

[0025] Figure 3 It is a schematic diagram of the installation structure of the heat conducting plate and the inverter welding machine housing in the present invention;

[0026] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0027] Figure 5 It is a schematic diagram of the first filter hole plate, the second filter hole plate and the second structure installed on the side plate in the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the second filter plate in the present invention;

[0029] Figure 7 For the present invention Figure 6 The enlarged structural diagram at B in the middle;

[0030] Figure 8 It is a schematic diagram of the heat dissipation fan structure in the present invention.

[0031] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0032] 100. Inverter welding machine housing; 101. Lifting handle; 102. Partition plate; 103. Threading groove; 104. Mounting sleeve; 105. Fixing collar;

[0033] 200, mounting side plate; 201, first filter hole plate; 202, second filter hole plate; 203, connecting rod body; 204, rotating block; 205, limiting tooth hole; 206, limiting tooth head; 207, guide sleeve; 208, sliding rod body;

[0034] 300, universal roller with brake; 301, heat dissipation fin plate; 302, L-shaped connecting plate; 303, through-groove; 304, heat conduction plate; 305, penetration groove; 306, dual-axis motor; 307, internal thread sleeve; 308, adjustment screw; 309, sliding plate; 310, first through-hole; 311, second through-hole;

[0035] 400, cooling fan; 401, adjustment plate; 402, air inlet slot; 403, adjustment knob. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0037] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0038] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0039] like Figure 1 As shown, it is a schematic diagram of the structure of a silicon carbide inverter welding machine according to a preferred embodiment of the present invention. The silicon carbide inverter welding machine of this embodiment includes an inverter welding machine housing 100, a symmetrically arranged lifting handle 101 is fixedly connected to the top of the inverter welding machine housing 100, and mounting side panels 200 are detachably connected to the outer walls of both sides of the inverter welding machine housing 100, and first filter holes 201 are arranged on the mounting side panels 200 on both sides, and a cooling fan 400 is embedded in the top of the inverter welding machine housing 100, and the cooling fan 400 inputs external air into the inverter welding machine housing 1 00 and blown out from the first filter holes 201 on both sides. Universal rollers 300 with brakes are provided at the four corners of the bottom of the inverter welding machine housing 100. In this embodiment, the lifting handle 101 is provided to facilitate the staff to take the welding machine. The universal rollers 300 with brakes enable the welding machine to move freely on the ground. The cooling fan 400 can dissipate the heat of the electronic components installed in the inverter welding machine housing 100, and blow the hot air out through the first filter holes 201 on both sides, thereby achieving the effect of cooling the welding machine.

[0040] like Figure 2As shown, it is a schematic diagram of the connection structure between the inverter welding machine housing and the universal roller in this embodiment, a heat conducting plate 304 is embedded in the inner bottom of the inverter welding machine housing 100, and the outer walls on both sides of the heat conducting plate 304 are slidably connected with heat dissipation fins 301, and the top of the heat conducting plate 304 is provided with a protrusion parallel to the inner bottom of the inverter welding machine housing 100, and the electronic components of the welding machine are installed at the inner bottom of the inverter welding machine housing 100 to contact the heat conducting plate 304, and the outer walls opposite to the heat dissipation fins 301 on both sides are fixedly connected with L-shaped connecting plates 302, and the vertical plates of the L-shaped connecting plates 302 on both sides extend downward, and the horizontal sides of the L-shaped connecting plates 302 on both sides extend relatively, and the universal roller 300 with a brake is installed on both sides of the bottom of the L-shaped connecting plate 302, and a plurality of through grooves 303 are provided on the heat dissipation fin plate 301, and the inner wall of the inverter welding machine housing 100 is fixedly connected with a partition plate 102, and the partition plate 102 is provided with a threading groove 103, the connecting wires of the electronic components of the welding machine pass through the threading groove 103. In this embodiment, the heat generated when the welding machine is in use can be adsorbed and transported to the heat dissipation fin plate 301 through the heat conducting plate 304. The contact area with the outside can be increased by setting a plurality of through grooves 303, thereby increasing the heat dissipation effect of the welding machine. The outward movement of the heat dissipation fin plates 301 on both sides can increase the supporting force of the universal roller 300 with brakes on the inverter welding machine housing 100, and as the heat dissipation fin plates 301 extend outward, the contact area between the heat dissipation fin plates 301 and the external air can be increased, which can also increase the heat dissipation effect. By setting the L-shaped connecting plates 302 on both sides, the L-shaped connecting plates 302 can be located at the bottom of the inverter welding machine housing 100 when the heat dissipation fin plates 301 on both sides are contracted, so that the universal roller 300 with brakes can be moved to the bottom of the inverter welding machine housing 100, thereby not occupying external space.

[0041] like Figure 3As shown, it is a schematic diagram of the installation structure of the heat conducting plate and the inverter welding machine housing in this embodiment, the outer wall of the heat conducting plate 304 is provided with a penetration groove 305, and the heat dissipation fins 301 on both sides are slidably connected to the inside of the penetration groove 305, and the center of the bottom of the inverter welding machine housing 100 is detachably connected with a dual-axis motor 306, and the rotating ends on both sides of the dual-axis motor 306 are detachably connected with internal threaded sleeves 307, and the bottom sides of the inverter welding machine housing 100 are fixedly connected with fixed collars 105, and the internal threaded sleeves 307 on both sides are rotatably connected to the inside of the fixed collars 105 on both sides, and the L-shaped connecting plates 302 on both sides are opposite to each other. An adjusting screw 308 is fixedly connected to the outer wall, and the adjusting screw 308 is connected to the internal thread of the internal threaded sleeve 307. In this embodiment, the internal threaded sleeves 307 on both sides are driven to rotate by the rotation of the dual-axis motor 306, and then the heat dissipation fins 301 on both sides, the L-shaped connecting plate 302 and the universal roller 300 with a brake can be pushed to the outside of the inverter welding machine housing 100 to increase the supporting area, or to shrink to the inside of the inverter welding machine housing 100 to reduce the occupancy of the external volume, and the welding machine can be fixed by locking the universal roller 300 with a brake.

[0042] It is worth noting that the above-mentioned dual-axis motor 306, internal threaded sleeve 307 and adjusting screw 308 are the first adjustment component in this embodiment. The first adjustment component includes but is not limited to the dual-axis motor 306, internal threaded sleeve 307 and adjusting screw 308. As long as it is a component that can drive the heat dissipation fins 301 on both sides to move toward or oppositely at the same time, it can be applied to this embodiment.

[0043] like Figure 4 As shown, it is in this embodiment Figure 3 The structural schematic diagram is enlarged at point A in the middle. A plurality of sliding plates 309 are fixedly connected to the inside of the through groove 305. Each through groove 303 is stuck on the outer wall of the sliding plate 309. The sliding plate 309 is provided with a first through hole 310. The outer wall of the sliding plate 309 is provided with a plurality of second through holes 311. The axis of each second through hole 311 is perpendicular to the axis of the first through hole 310. In this embodiment, the setting of the sliding plate 309 can increase the speed of heat transfer from the heat conducting plate 304 to the heat dissipating fin plate 301, thereby increasing the speed of heat dissipation. By setting the first through hole 310 and the second through hole 311, the heat inside the heat conducting plate 304 is diffused outward, thereby increasing the heat dissipation efficiency.

[0044] like Figure 5As shown, it is a schematic diagram of the first filter hole plate, the second filter hole plate and the second structure installed on the side plate in this embodiment. The first filter hole plates 201 on both sides are rotatably connected to the outer wall of the inverter welding machine housing 100, and the second filter hole plates 202 are close to each other. In this embodiment, by rotating the second filter hole plate 202, the holes of the second filter hole plate 202 and the first filter hole plate 201 can be opposite to each other, so that the hot air can be discharged outward, or the holes of the second filter hole plate 202 and the first filter hole plate 201 are staggered, and then the exhaust can be closed, so that the direction of the hot air can be adjusted.

[0045] like Figure 2 , Figure 6 as well as Figure 7 As shown, it is a schematic diagram of the connection structure between the inverter welding machine housing and the universal roller, a schematic diagram of the second filter plate structure, and Figure 6In the enlarged structural diagram at B, the upper end of the partition plate 102 is fixedly connected to the mounting sleeve 104, the second filter hole plate 202 on one side is fixedly connected to the outer wall of the inverter welding machine housing 100 with a connecting rod body 203, and the end of the connecting rod body 203 is provided with a limiting tooth hole 205, and the second filter hole plate 202 on the other side is fixedly connected to the outer wall of the inverter welding machine housing 100 with a guide sleeve 207, the guide sleeve 207 is rotatably connected to the end of the connecting rod body 203, and the inner part of the guide sleeve 207 is slidably connected to the limiting tooth head 205. 6. The limiting tooth head 206 is fixedly connected to the outer wall of the second filter hole plate 202 on the other side with a sliding rod body 208 that passes through the second filter hole plate 202 on the other side and the first filter hole plate 201 on the other side. The passing end of the sliding rod body 208 is fixedly connected to the rotating block 204. The connecting rod body 203 passes through the mounting sleeve 104. The limiting tooth head 206 is inserted into the inner part of the limiting tooth hole 205 so that the second filter hole plate 202 on one side is always staggered with the holes on the first filter hole plate 201, and the second filter hole plate 202 on the other side and the first filter hole plate 201 are staggered. 01, in this embodiment, the rotating block 204 is pushed inwardly so that the sliding rod body 208 slides inside the guide sleeve 207, and the limiting tooth head 206 is inserted into the limiting tooth hole 205. At this time, the rotating block 204 is rotated so that the second filter hole plate 202 on one side is staggered with the holes on the first filter hole plate 201, and the second filter hole plate 202 on the other side is opposite to the holes on the first filter hole plate 201. By rotating to adjust the first filter hole plate 201 and the second filter hole plate 202 on one side to be opened or closed, when the welding machine is not in use, the first filter hole plate 201 and the second filter hole plate 202 on one side are opened or closed. First, the second filter hole plate 202 connected to the connecting rod body 203 is staggered with the adjacent first filter hole plate 201, and then the rotating block 204 is pulled outward to make the limiting tooth head 206 withdrawn from the inside of the limiting tooth hole 205, and the rotating block 204 is rotated again to make the second filter hole plate 202 connected to the guide sleeve 207 staggered with the adjacent first filter hole plate 201, so that the holes of the first filter hole plate 201 and the second filter hole plate 202 on both sides can be staggered, which can prevent external dust from entering the interior of the inverter welding machine housing 100.

[0046] It is worth noting that the above-mentioned connecting rod body 203, rotating block 204, limiting tooth hole 205, limiting tooth head 206, guide sleeve 207 and sliding rod body 208 are the second adjustment component in this embodiment. The second adjustment component includes but is not limited to the connecting rod body 203, rotating block 204, limiting tooth hole 205, limiting tooth head 206, guide sleeve 207 and sliding rod body 208. As long as it is a component that can adjust the holes of the first filter hole plate 201 and the second filter hole plate 202 on both sides to be staggered or relative, it can be applied to this embodiment.

[0047] like Figure 8As shown, it is a schematic diagram of the cooling fan structure in this embodiment, the upper end of the cooling fan 400 is rotatably connected to an adjusting plate 401, and a plurality of air inlet slots 402 are provided on the cooling fan 400 and the adjusting plate 401, and an adjusting knob 403 is fixedly connected to the center of the upper end of the adjusting plate 401. In this embodiment, when the air inlet slots 402 on both sides coincide, external wind is transported to the interior of the inverter welding machine housing 100 through the air inlet slots 402 in cooperation with the cooling fan 400. When the welding machine is not in use, the air inlet slots 402 on the adjusting plate 401 are staggered with the air inlet slots 402 on the cooling fan 400 by rotating the adjusting knob 403, thereby preventing external dust from entering the interior of the inverter welding machine housing 100, thereby achieving a better dustproof effect.

[0048] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, without departing from the concept of the present invention, they can also make several simple deductions or substitutions. For example, the silicon carbide inverter adopts parallel and series connection, which should be regarded as belonging to the protection scope determined by the claims submitted by the present invention.

Claims

1. A silicon carbide inverter welding machine, comprising an inverter welding machine housing (100), a symmetrically arranged lifting handle (101) being fixedly connected to the top of the inverter welding machine housing (100), a mounting side plate (200) being detachably connected to the outer walls of both sides of the inverter welding machine housing (100), a first filter hole plate (201) being arranged on the mounting side plates (200) on both sides, a cooling fan (400) being embedded in the top of the inverter welding machine housing (100), the cooling fan (400) inputting external air into the interior of the inverter welding machine housing (100) and blowing it outward from the first filter hole plates (201) on both sides, characterized in that: The first filter holes (201) on both sides are rotatably connected to the outer wall of the inverter welding machine housing (100) and are close to the second filter holes (202). A second adjustment component is installed between the second filter holes (202) on both sides. The second adjustment component adjusts the holes on the second filter holes (202) and the first filter holes (201) to stagger or overlap and change the air outlet position; A heat conducting plate (304) is embedded in the bottom of the inner side of the inverter electric welding machine housing (100); a heat dissipation fin plate (301) is slidably connected below the heat conducting plate (304); electronic components of the welding machine contact the heat conducting plate (304); and universal rollers (300) with brakes are installed at the bottom of the heat dissipation fin plates (301) on both sides; L-shaped connecting plates (302) are fixedly connected to opposite outer walls of the heat dissipation fin plates (301) on both sides, the vertical plates of the L-shaped connecting plates (302) on both sides extend downward, the horizontal sides of the L-shaped connecting plates (302) on both sides extend relative to each other, universal rollers (300) with brakes are installed on both sides of the bottom of the L-shaped connecting plates (302), and a first adjustment component is installed at the bottom of the inverter welding machine housing (100), and the first adjustment component enables the heat dissipation fin plates (301) on both sides to move towards or in opposite directions; A plurality of through grooves (303) are provided on the heat dissipation fin plate (301), a through groove (305) is provided on the outer wall of the heat conduction plate (304), the heat dissipation fin plates (301) on both sides are slidably connected to the inside of the through grooves (305), a plurality of sliding plates (309) are fixedly connected to the inside of the through grooves (305), and each through groove (303) is clamped on the outer wall of the sliding plate (309).

2. The silicon carbide inverter welding machine according to claim 1, characterized in that: The sliding plate (309) is provided with a first through hole (310) extending therethrough, and the outer wall of the sliding plate (309) is provided with a plurality of second through holes (311) extending therethrough, wherein the axis of each second through hole (311) is perpendicular to the axis of the first through hole (310).

3. The silicon carbide inverter welding machine according to claim 2, characterized in that: The upper end of the heat dissipation fan (400) is rotatably connected to an adjustment plate (401); a plurality of air inlet slots (402) are provided on the heat dissipation fan (400) and the adjustment plate (401); and an adjustment knob (403) is fixedly connected to the center of the upper end of the adjustment plate (401).

4. The silicon carbide inverter welding machine according to claim 3, characterized in that: The first adjustment component comprises a dual-axis motor (306), an internally threaded sleeve (307) and an adjustment screw (308); the dual-axis motor (306) is detachably connected to the center of the bottom of the inverter welding machine housing (100); the internally threaded sleeve (307) is detachably connected to the rotating ends of both sides of the dual-axis motor (306); fixed collars (105) are fixedly connected to both sides of the bottom of the inverter welding machine housing (100); the internally threaded sleeves (307) on both sides are rotatably connected to the inside of the fixed collars (105) on both sides; and the L-shaped connecting plates (307) on both sides are connected to the fixed collars (105) on both sides. 2) An adjusting screw (308) is fixedly connected to the outer wall opposite to the horizontal side, and the adjusting screw (308) is connected to the internal thread of the internal thread sleeve (307). The dual-axis motor (306) rotates to drive the internal thread sleeves (307) on both sides to rotate, and then can cooperate with the threaded connection with the adjusting screws (308) on both sides to push the heat dissipation fins (301) on both sides, the L-shaped connecting plate (302) and the universal roller (300) with a brake to move to the outside of the inverter welding machine housing (100), or retract to the inside of the inverter welding machine housing (100).

5. The silicon carbide inverter welding machine according to claim 4, characterized in that: The second adjustment assembly comprises a connecting rod body (203), a rotating block (204), a limiting tooth hole (205), a limiting tooth head (206), a guide sleeve (207) and a sliding rod body (208); the second filter hole plate (202) on one side is fixedly connected to the connecting rod body (203) near the outer wall of the inverter welding machine housing (100); the limiting tooth hole (205) is provided at the end of the connecting rod body (203); the second filter hole plate (202) on the other side is fixedly connected to the outer wall of the inverter welding machine housing (100); the guide sleeve (207) is rotatably connected to the end of the connecting rod body (203); the guide sleeve The inner part of the (207) is slidably connected with a limiting tooth head (206); the limiting tooth head (206) is fixedly connected with a sliding rod body (208) passing through the second filter hole plate (202) on the other side and the first filter hole plate (201) on the other side, near the outer wall of the second filter hole plate (202) on the other side; the passing end of the sliding rod body (208) is fixedly connected with a rotating block (204); the limiting tooth head (206) is inserted into the inner part of the limiting tooth hole (205) so that the holes on the second filter hole plate (202) on one side and the first filter hole plate (201) are always staggered, and the holes on the second filter hole plate (202) on the other side and the first filter hole plate (201) are opposite.

6. The silicon carbide inverter welding machine according to claim 5, characterized in that: A partition plate (102) is fixedly connected to the inner wall of the inverter electric welding machine housing (100), and a wire threading groove (103) is provided on the partition plate (102). The connecting wires of the electronic components of the welding machine pass through the wire threading groove (103).

7. The silicon carbide inverter welding machine according to claim 6, characterized in that: The upper end of the partition plate (102) is fixedly connected to a mounting sleeve (104), and the connecting rod body (203) passes through the mounting sleeve (104).

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