Inverter DC manual arc welding machine structure

Abstract

The utility model discloses an inverter type direct current manual arc welding machine structure, including fuselage and setting operation knob of fuselage outer wall, the fuselage outer wall is provided with anti -touch mechanism, the anti -touch mechanism includes fixed ring, spacing groove, vertical board, moving plate and lug, operation knob outer wall is fixed with fixed ring, the fixed ring outer wall has established with the fixed ring axis place circumference distribution's several sets spacing groove, the fuselage top is fixed with vertical board, and the vertical board inside is connected with moving plate through telescopic mechanism. This inverter type direct current manual arc welding machine structure, through setting anti -touch mechanism, will operate the knob after rotating, through anti -touch mechanism for limiting operation knob rotation, to reach the position of locking operation knob, guarantee staff when using will not touch operation knob, strengthened the stability of equipment use, guarantee arc welding machine can normally work.

Description

Technical Field

[0001] This utility model relates to the field of arc welding machine technology, specifically to a structure of an inverter-type DC manual arc welding machine. Background Technology

[0002] An arc welding machine, also known as an arc welding transformer, is a special type of transformer that converts AC grid voltage into low-voltage AC suitable for arc welding. It consists of a main transformer, necessary regulating components, and indicating devices. There are three main types of arc welding machines: moving core type, integral type, and moving coil type. It has advantages such as simple structure, ease of manufacture and repair, low cost, and high efficiency. However, its current waveform is sinusoidal, the output exhibits a decreasing AC characteristic, resulting in poor arc stability and a low power factor. However, magnetic blow is rare, and no-load loss is low. It is generally used in manual arc welding, submerged arc welding, and tungsten inert gas welding.

[0003] For example, a Chinese patent, publication number CN212371384U, describes a structure for an inverter-type DC manual arc welding machine, including a chassis, ventilation duct, support feet, pull rod, and top handle. In this inverter-type DC manual arc welding machine structure, the fixed frame drives the connecting block to rotate on the main shaft, causing the fixed frame to enter the interior of the connecting frame. Simultaneously, the roller body inside the roller frame contacts the ground, rotating the limiting seat inward. The inner end of the limiting seat enters the second receiving seat, limiting the position of the limiting seat. By pulling the pull rod, the roller body rolls on the ground, enabling short-distance movement of the arc welding machine. Upon reaching the destination, the roller frame is rotated again, causing it to enter the interior of the connecting frame, bringing the fixed frame into contact with the ground, thus fixing the position of the arc welding machine.

[0004] Traditional arc welding machines typically have an operating knob for controlling the normal operation of the equipment. However, during operation, workers may accidentally touch the operating knob, causing it to rotate and affecting the normal operation of the arc welding machine. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a structure for an inverter-type DC manual arc welding machine. By incorporating an anti-accidental touch mechanism, the rotation of the operating knob is restricted after it is turned, thereby locking the position of the operating knob. This ensures that the operator will not accidentally touch the operating knob during use, enhancing the stability of the equipment and ensuring the normal operation of the arc welding machine. This solves the problems raised in the background technology.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a structure for an inverter-type DC manual arc welding machine, comprising a machine body and an operating knob disposed on the outer wall of the machine body. The outer wall of the machine body is provided with an anti-accidental contact mechanism, which includes a fixed ring, a limiting groove, a vertical plate, a movable plate, and a protrusion. The outer wall of the operating knob is fixed with a fixed ring, and the outer wall of the fixed ring is provided with a plurality of sets of limiting grooves distributed circumferentially around the axis of the fixed ring. The top of the machine body is fixed with a vertical plate, and the movable plate is connected inside the vertical plate through a telescopic mechanism. The end of the movable plate away from the telescopic mechanism is fixed with a protrusion corresponding to the limiting groove.

[0009] Preferably, the telescopic mechanism includes a threaded sleeve, a threaded rod, and a handle. The threaded sleeve is fixed to the outer wall of the vertical plate, and the threaded rod is threaded to the inner wall of the threaded sleeve, with one end rotatably connected to the movable plate and the other end fixed with a handle.

[0010] Preferably, a fixing plate is fixed to the outer wall of the movable plate, and a guide rod penetrating the vertical plate is fixed to the side of the fixing plate near the vertical plate.

[0011] Preferably, a baffle is fixed to the end of the guide rod away from the fixed plate, and the diameter of the baffle is larger than that of the guide rod.

[0012] Preferably, it also includes a dustproof plate, the outer wall of which is fixed with a connecting block, the connecting block having holes inside, and the outer wall of the machine body having vertical columns corresponding to the holes.

[0013] Preferably, the inner wall of the dustproof plate is slidably connected to an extension plate, and the extension plate is connected to the inner wall of the vertical column by a telescopic spring.

[0014] Preferably, a fastening pad is fixed to the inner wall of the hole, and the fastening pad is made of rubber.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By setting up an anti-accidental touch mechanism, after the operating knob is turned, the anti-accidental touch mechanism is used to limit the rotation of the operating knob, thereby locking the position of the operating knob and ensuring that the operator will not accidentally touch the operating knob during use. This enhances the stability of equipment use and ensures that the arc welding machine can work normally.

[0018] 2. By setting up a dustproof plate, connecting block, fastening pad, vertical column, telescopic spring, and extension plate, the dustproof plate can provide protection. The connecting block is initially positioned by fitting it onto the vertical column. The extension plate can rebound through the telescopic spring, thereby causing the extension plate to abut against the connecting block, which enhances the stability of the connecting block and improves the disassembly and cleaning effect of the dustproof plate. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the dustproof panel of this utility model in its disassembly state.

[0021] Figure 3 This is a schematic diagram of the vertical column cross-section structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the anti-accidental touch mechanism of this utility model;

[0023] Figure 5 This utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0024] In the diagram: 1. Body; 2. Operating knob; 311. Fixing ring; 312. Limiting groove; 313. Vertical plate; 314. Moving plate; 315. Protrusion; 316. Fixing plate; 317. Guide rod; 318. Baffle; 319. Threaded sleeve; 320. Threaded rod; 321. Handle; 411. Dustproof plate; 412. Connecting block; 413. Fastening pad; 414. Vertical column; 415. Telescopic spring; 416. Extending plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example

[0027] Reference Figure 1-5As shown, an inverter-type DC manual arc welding machine structure includes a body 1 and an operating knob 2 disposed on the outer wall of the body 1. The outer wall of the body 1 is provided with an anti-accidental contact mechanism, which includes a fixed ring 311, limiting grooves 312, a vertical plate 313, a movable plate 314, and protrusions 315. A fixed ring 311 is fixed to the outer wall of the operating knob 2. The outer wall of the fixed ring 311 has several sets of limiting grooves 312 distributed circumferentially around the axis of the fixed ring 311. A vertical plate 313 is fixed to the top of the body 1. A telescopic mechanism is used inside the vertical plate 313. The structure is connected to a movable plate 314. At the end of the movable plate 314 away from the telescopic mechanism, there is a protrusion 315 corresponding to the limiting groove 312. The telescopic mechanism drives the movable plate 314 and the protrusion 315 to move. The protrusion 315 can be inserted into the limiting groove 312 at different positions to lock the position of the operating knob 2. This makes it easy to fix the operating knob 2 after it is turned, and it is convenient to lock it for different rotation ranges of the operating knob 2. This prevents the operator from accidentally touching the operating knob 2 during use, which would affect the normal use of the machine body 1.

[0028] The telescopic mechanism includes a threaded sleeve 319, a threaded rod 320, and a handle 321. The threaded sleeve 319 is fixed to the outer wall of the vertical plate 313. The threaded rod 320 is threaded to the inner wall of the threaded sleeve 319, with one end rotatably connected to the movable plate 314 and the other end fixed to the handle 321. Rotating the handle 321 drives the threaded rod 320 to rotate, which in turn drives the movable plate 314 and the protrusion 315 to move laterally and reciprocally under the action of the thread, allowing the protrusion 315 to enter and exit the limiting groove 312, achieving a relatively stable usage requirement. A fixing plate 316 is fixed to the outer wall of the movable plate 314. A guide rod 317 that penetrates the vertical plate 313 is fixed to the side of the fixing plate 316 near the vertical plate 313. When the protrusion 315 moves, it drives the guide rod 317 to move along the interior of the vertical plate 313, thereby enhancing the stability of the movement of the protrusion 315. A baffle 318 is fixed to the end of the guide rod 317 away from the fixing plate 316. The diameter of the baffle 318 is larger than that of the guide rod 317. The baffle 318 can be used to prevent the guide rod 317 from falling off the vertical plate 313, thereby achieving a protective effect.

[0029] A connecting block 412 is fixed to the outer wall of the dustproof plate 411. The connecting block 412 has a hole inside. A vertical column 414 corresponding to the hole is fixed to the outer wall of the machine body 1. The connecting block 412 is sleeved on the vertical column 414 to initially restrict the dustproof plate 411. An extension plate 416 is slidably connected to the inner wall of the dustproof plate 411. The extension plate 416 is connected to the inner wall of the vertical column 414 by a telescopic spring 415. The extension plate 416 can extend and retract under the action of the telescopic spring 415. In the initial state, the extension plate 416 will be driven to extend outward from the vertical column 414. The extension plate 416 will fit against the top of the connecting block 412, thereby preventing the connecting block 412 from falling off the vertical column 414. A fastening pad 413 is fixed to the inner wall of the hole. The fastening pad 413 is made of rubber. The fastening pad 413 has a fastening effect and can fit tightly against the outer wall of the vertical column 414, which enhances the stability of the connection between the connecting block 412 and the vertical column 414.

[0030] Working principle: When it is necessary to lock the operating knob 2, first rotate the operating knob 2 to the appropriate position. By rotating the handle 321, the threaded rod 320 is driven to rotate. Under the action of the thread, the moving plate 314 and the protrusion 315 are driven to move to the right. At this time, the guide rod 317 can move along the inside of the vertical plate 313, which enhances the stability of the movement of the protrusion 315. The protrusion 315 can be inserted into the limiting groove 312 to lock the operating knob 2 and restrict the rotation of the operating knob 2.

[0031] When disassembling and cleaning the dust cover 411, press the protruding plate 416 to insert it into the vertical column 414, and drive the telescopic spring 415 to compress, so that the protruding plate 416 is separated from the top of the connecting block 412. Then pull the dust cover 411 upward to separate the connecting block 412 from the vertical column 414, thereby achieving the effect of disassembling the dust cover 411.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A structure for an inverter-type DC manual arc welding machine, comprising a machine body (1) and an operating knob (2) disposed on the outer wall of the machine body (1), characterized in that: The outer wall of the body (1) is provided with an anti-accidental touch mechanism, which includes a fixed ring (311), a limiting groove (312), a vertical plate (313), a movable plate (314), and a protrusion (315). The outer wall of the operating knob (2) is fixed with a fixed ring (311). The outer wall of the fixed ring (311) is provided with a number of limiting grooves (312) distributed circumferentially along the axis of the fixed ring (311). The top of the body (1) is fixed with a vertical plate (313). The movable plate (314) is connected inside the vertical plate (313) through a telescopic mechanism. The end of the movable plate (314) away from the telescopic mechanism is fixed with a protrusion (315) corresponding to the limiting groove (312). The telescopic mechanism includes a threaded sleeve (319), a threaded rod (320), and a handle (321). The threaded sleeve (319) is fixed to the outer wall of the vertical plate (313). The threaded rod (320) is threaded to the inner wall of the threaded sleeve (319), with one end rotatably connected to the movable plate (314) and the other end fixed with a handle (321).

2. The structure of the inverter-type DC manual arc welding machine according to claim 1, characterized in that: The outer wall of the movable plate (314) is fixed with a fixing plate (316), and a guide rod (317) that penetrates the vertical plate (313) is fixed on the side of the fixing plate (316) near the vertical plate (313).

3. The structure of an inverter-type DC manual arc welding machine according to claim 2, characterized in that: A baffle (318) is fixed to one end of the guide rod (317) away from the fixed plate (316), and the diameter of the baffle (318) is larger than that of the guide rod (317).

4. The structure of an inverter-type DC manual arc welding machine according to claim 3, characterized in that: It also includes a dustproof plate (411), the outer wall of which is fixed with a connecting block (412), the connecting block (412) has a hole inside, and the outer wall of the body (1) is fixed with a vertical column (414) corresponding to the hole.

5. The structure of an inverter-type DC manual arc welding machine according to claim 4, characterized in that: The dustproof plate (411) has an extension plate (416) slidably connected to its inner wall, and the extension plate (416) is connected to the inner wall of the vertical column (414) by a telescopic spring (415).

6. The structure of an inverter-type DC manual arc welding machine according to claim 5, characterized in that: The inner wall of the hole is fixed with a fastening pad (413), which is made of rubber.

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