KR102136221B1 - Motor driving type welding rod holder - Google Patents

Abstract

The present invention relates to a motor-driven welding rod holder which can easily open and close the front end of a welding rod holder in accordance with a selection of a worker by rotating and operating a lever on a main body by a drive motor and a gear, and safely and firmly fix a welding rod with a strong force by the elasticity of a spring by connecting an elastic spring between the main body and the lever in addition to the driving force of the drive motor. According to an embodiment of the present invention, the motor-driven welding rod holder comprises: a main body into which a welding cable receiving a welding current is inserted; a lever rotatably coupled to an upper side of the main body, wherein the front end thereof is selectively meshed with the front end of the main body in accordance with rotation status to fix a welding rod therebetween to transfer a welding current supplied to the welding cable to the welding rod; a drive motor installed on one side of the main body to be driven; a rotating gear unit rotatably installed on the drive motor side, and rotated forwards or backwards in accordance with a rotating direction of the drive motor; and a fixed gear fixed and installed on one side of the lever, and engaged with the rotating gear unit to rotate the lever to selectively mesh the front ends of the main body and the lever in accordance with the rotating direction of the drive motor.

Description

Motor driven welding rod holder{MOTOR DRIVING TYPE WELDING ROD HOLDER}

Disclosed is a welding electrode holder that is fixed during welding and allows welding current to be transferred to the welding electrode holder.

Unless otherwise indicated herein, the content described in this section is not prior art to the claims of this application and is not admitted to be prior art by inclusion in this section.

According to Newton's law of universal gravitation, when metal and metal are brought into close proximity, attractive forces are applied between the metal atoms to bond with each other. However, in order to bond the metal with the metal in this way, the atoms must be brought close to about 10 nm, but this phenomenon does not actually occur because the surface of the metal is not actually flat and an oxide film is present. Welding refers to the task of removing these obstacles and melting the metal and metal through heat to be combined.

Various methods are used for such welding, and current welding methods using electric energy are generally used, and arc welding is the most widely used.

Arc welding is a welding method that creates an arc between electrodes by discharging and melts a welding part by heat generation. An arc is applied to an AC or DC voltage through a current between a welding rod and a base material. This is a metallurgical joining method that melts and welds the welding rod and the base metal with the arc heat generated at this time. The arc welding includes a welding machine, an electrode cable, an electrode holder, an electrode, a base material and a grounding cable.

Among them, the welding rod holder is a mechanism for fixing the welding rod to the tip thereof and transmitting the supplied welding current to the welding rod. That is, the welding rod is fixed to the tip of the holder, which looks like tongs, and the operator uses it after gripping it in one hand. However, as the welding rod has to be engaged with strong force to prevent the welding rod from flowing randomly during welding, excessive grip is required during operation. There was a disadvantage. In addition, there was a problem that a worker's finger or glove could get stuck and lead to a safety accident.

1. Republic of Korea Patent Registration No. 10-0983495 (2010.09.15) 2. Republic of Korea Utility Model Registration No. 20-0216315 (2000.12.29) 3. Republic of Korea Utility Model Registration No. 20-0487482 (2018.09.17)

It is an object of the present invention to provide a motor-driven welding rod holder that can easily open and close at the tip of the welding rod holder at the same time as the operator's choice, and that allows the welding rod to be fixed with strong force.

Disclosed as an embodiment of the present disclosure is a main body in which a welding cable is supplied with a welding current, and is rotatably coupled to an upper side of the main body, but the front end and the front end of the main body are selectively engaged according to the rotation. The lever is fixed to the welding rod and the welding current supplied to the welding cable is transmitted to the welding rod, the driving motor is installed to be driven on one side of the main body, and the driving motor is rotatably installed on the side. The rotation gear part is rotated forward or reverse according to the rotation direction of the motor, and fixedly installed on one side of the lever, but engaged with the rotation gear part to selectively engage the front end of the main body and lever according to the rotation direction of the drive motor It describes a motor-driven welding rod holder, characterized in that it includes a fixed gear to rotate.

In the disclosed content, an elastic spring is connected between the body and the lever.

The motor-driven welding rod holder as described above can be easily opened and closed at the tip of the welding rod holder to the operator as the lever is rotated on the main body by the driving motor and gear, in addition to the driving force of the driving motor. And the elastic spring is provided between the lever is provided with a strong force by the elasticity of the spring has an excellent advantage that the welding rod can be fixed more securely and securely.

1 is a perspective view of a motor-driven welding rod holder according to one embodiment of the disclosed content.
2 and 3 is a motor-driven electrode holder according to an embodiment of the disclosed content is an operation of the drive motor.
Figure 4 is a motor-driven welding rod holder according to an embodiment of the disclosed content is a state diagram of the drive motor.

Advantages and features of the disclosed contents, and a method of achieving them will be apparent by referring to embodiments described below in detail with reference to the accompanying drawings. However, the disclosed content is not limited to the embodiments disclosed below, and may be implemented in various different forms, and only the present embodiments allow the disclosure of the disclosed content to be complete, and the general knowledge in the art to which the disclosed content pertains. It is provided to fully inform the holder of the scope of the disclosed contents, and the disclosed contents are only defined by the scope of the claims. Throughout the specification, the same reference numerals refer to the same components.

In describing embodiments of the disclosed contents, when it is determined that a detailed description of known functions or configurations may unnecessarily obscure the subject matter of the disclosed contents, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of functions in embodiments of the disclosed contents, which may vary according to an operator's intention or practice. Therefore, the definition should be made based on the contents throughout this specification.

1 to 4 illustrate one embodiment according to the disclosed content. 1 is a perspective view, FIGS. 2 and 3 are operational views, and FIG. 4 is a use state diagram.

Hereinafter, the constituent members of the motor-driven welding rod holder 1 according to an embodiment of the disclosed contents with reference to FIGS. 1 to 3 and their operating relationship will be described in detail.

First, referring to FIG. 1, the main body 10 is provided. The main body 10 is gripped in the hand of an operator and serves to be used so that components to be described later can be used. The main body 10 is formed in a rod shape and a welding cable 11 through which a welding current is supplied is drawn. In addition, the outside is made of an insulating material as a whole, and the inside of the insulating material is electrically connected to the welding cable 11 to transmit the welding current to the tip.

Meanwhile, the lever 20 is rotatably coupled to the upper side of the above-described main body 10. The lever 20 has the welding current supplied to the welding cable 11 by the welding rod 60 being fixed between the tip and the tip of the main body 10 by selectively engaging the tip of the main body 10 to the welding rod 60 It plays a role to be delivered. That is, on the same principle as the tongs, the welding rod 60 is fixed to the front ends of the main body 10 and the lever 20. In the disclosed contents, the fixing force is a driving motor 30, a rotating gear part 40, which will be described later. It is controlled by the fixed gear 50. The lever 20 is formed in the shape of a rod like the main body 10 described above, and the outside is made of an insulating material as a whole.

And the elastic spring 12 is provided between the above-described main body 10 and the lever 20. The elastic spring 12 serves to assist the fixing force for fixing the welding rod 60 to the front ends of the main body 10 and the lever 20 with the fixing force by the driving motor 30. That is, when the front ends of the main body 10 and the lever 20 are opened and opened, the elastic spring 12 is compressed, and when the front ends of the main body 10 and the lever 20 are closed and engaged, the elastic spring 12 expands. By the elastic force of the elastic spring 12 to be expanded, a fixing force in which the front ends of the main body 10 and the lever 20 are more strongly engaged is added, so that a phenomenon in which the welding rod 60 is randomly flowed during welding can be prevented. . Of course, the elastic spring 12 may be selectively used with one of various springs according to the prior art.

Meanwhile, referring to FIGS. 2 and 3, a driving motor 30 is installed to be driven on one side of the main body 10 described above. This drive motor 30 controls the rotation of the lever 20 with respect to the main body 10, and the front ends of the main body 10 and the lever 20 are engaged so that the fixing force for the welding rod 60 fixed thereto is exerted. Plays a role. It is assumed that one of the BLDC motor or the servo DC motor according to the prior art is used as the driving motor 30.

In addition, a control button 31 is provided on one side of the driving motor 30 described above, and the control button 31 serves to control driving of the driving motor 30. That is, the rotational direction of the driving motor 30 is controlled to control the rotation of the lever 20 by causing the rotation gear unit to be described later to rotate forward or reverse. In addition, the above-described driving motor 30 is electrically connected to the welding cable 11 inserted into the main body 10 to receive power required for its driving.

The rotation gear unit 40 is rotatably installed on the driving motor 30 side. The rotating gear portion 40 is rotated forward or reverse according to the rotation direction of the driving motor 30 to serve to rotate the lever 20 by the fixed gear 50 to be described later.

The rotary gear part 40 is a first rotary gear 41 installed on the drive shaft of the drive motor 30, and a second rotary gear installed on the main body 10 side and engaged with the first rotary gear 41 (42) and a third rotating gear (43) are included. In the disclosed content, the rotating gear unit 40 is composed of three rotating gears, but is not limited thereto, and can be designed to be changed to various numbers of rotating gears. In addition, a fixed gear 50 engaged with the above-described third rotating gear 43 is fixedly installed on one side of the lever 20 described above.

Therefore, when the first rotating gear 41 is rotated in the forward direction by the driving motor 30, the second rotating gear 42 and the third rotating gear 43 meshed therewith are also rotated in the forward direction, and the third rotating gear 43 and While the engaged fixed gear 50 is rotated, the lever 20 is rotated in a direction in which the front ends of the main body 10 and the lever 20 are engaged and closed.

In addition, when the first rotating gear 41 is rotated in the reverse direction by the driving motor 30, the second rotating gear 42 and the third rotating gear 43 engaged therewith are also rotated in the reverse direction, and the third rotating gear 43 As the fixed gear 50 meshed with is rotated, the front ends of the main body 10 and the lever 20 are opened to rotate the lever 20 in the open direction.

Hereinafter, an entire method of using the motor-driven welding rod holder 1 according to an embodiment of the disclosed contents will be described in detail with reference to FIG. 4.

First, the operator is equipped with a stable device and connects the welding cable 11 of the main body 10 to an external power source. Then, the control button 31 is operated to operate the driving motor 30 so that the first rotating gear 41 rotates in the forward direction. When the first rotating gear 41 is rotated in the forward direction, the second rotating gear 42 and the third rotating gear 43 are also rotated in the forward direction, and at the same time, the fixed gear 50 engaged with the third rotating gear 43 is rotated. The front ends of the main body 10 and the lever 20 are opened and opened.

Then, after placing the welding rod 60 between the front end of the main body 10 and the lever 20, the control button 31 is operated again to drive the driving motor 30 so that the first rotating gear 41 rotates in the reverse direction. It works. When the first rotating gear 41 is rotated in the reverse direction, the second rotating gear 42 and the third rotating gear 43 are also rotated in the reverse direction, and at the same time, the fixed gear 50 engaged with the third rotating gear 43 is rotated. As the ends of the body 10 and the lever 20 are engaged and closed, the welding rod 60 is fixed. At this time, since the elastic spring 12 is connected between the main body 10 and the lever 20, the welding rod 60 can be more securely and firmly fixed with a strong force due to its elasticity.

As described above, the motor-driven welding rod holder 1 can be easily moved to the operator according to the operator's selection as the lever 20 is rotated on the body 10 by the driving motor 30 and gears. It can be opened and closed, and in addition to the driving force of the driving motor 30, the elastic spring 12 is provided between the main body 10 and the lever 20, so that the welding rod 60 is more secure with strong force due to the elasticity of the spring. And can be fixed securely

The disclosed contents are only examples, and the technical scope of the disclosed contents can be variously changed by those skilled in the art without departing from the gist of the claims claimed in the claims, and thus the scope of protection of the disclosed contents is the specific implementation described above. It is not limited to the example.

1: Motorized welding rod holder
10: main body
11: Welding cable
12: Elastic spring
20: lever
30: drive motor
31: Control button
40: rotating gear part
41: first rotating gear
42: second rotating gear
43: third rotating gear
50: fixed gear
60: welding rod

Claims (4)

A main body into which a welding cable to which a welding current is supplied is introduced;
A lever that is rotatably coupled to the upper side of the main body but selectively engages the front end and the front end of the main body depending on whether it is rotated so that a welding rod is fixed therebetween so that the welding current supplied to the welding cable is transmitted to the welding rod;
A driving motor installed to be driven on one side of the main body;
A rotation gear part rotatably installed on one side of the drive motor and rotated in a forward or reverse direction according to a rotation direction of the drive motor; And
The fixed gear is fixedly installed on one side of the lever and engaged with the rotating gear part so that the lever is rotated to selectively engage the front end of the main body and the lever according to the rotational direction of the driving motor.
The rotary gear part is installed on the main body at the top of the first rotary gear installed on the drive shaft of the drive motor, the second rotary gear installed on the main body and engaged with the first rotary gear, and the second rotary gear Between the second rotating gear and the fixed gear includes a third rotating gear meshing with the second rotating gear and the fixed gear,
A motor-driven welding rod characterized in that a control button is provided to control the driving of the driving motor formed at the rear of the first rotating gear at one side of the driving motor, and an elastic spring is connected between the main body and the lever. holder.

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