JP2018144053A - Welding assist system and welding assist method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a welding assist device which moves a welding wire feed device in a relatively large range with a relatively simple structure, and to provide a welding assist method.SOLUTION: A welding assist device includes: a cylindrical object 11 erected on a foundation 2 of a welding work site; a cylindrical body 12 which engages with the cylindrical object 11 and revolves around the cylindrical object 11; a first arm 13 which is fixed to the cylindrical body 12 and extends from the cylindrical body 12 in one direction; and a second arm 14 which engages with the first arm 13 and slides at the interior or the exterior of the first arm 13. A welding wire feed device 20 is disposed in a placement part 14a at the tip side of the second arm 14.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a welding support system and a welding support method.

  In order to automate the welding operation, a welding wire is used instead of a welding rod, and various welding wire feeding devices are used to continuously deliver the welding wire to a welding machine such as an automatic welding machine. . For example, there has been proposed a welding wire feeding apparatus having a feeding part frame provided with a wire feeding part and a wire reel support frame to which a wire reel supporting member on which a wire reel is mounted is attached (for example, Patent Documents). 1).

  In addition, a welding torch is attached to the wrist action part at the tip of the upper arm having several joints, and a welding wire feeder is attached to the base end of the upper arm, and the upper arm is further supported. An arc welding robot in which a wire reel is disposed at the base of the lower arm is also proposed (see, for example, Patent Document 2).

JP 2013-119116 A JP 2006-289503 A

  On the other hand, welding wires are used in the shipbuilding industry, but relatively small blocks are often produced by welding, as in the case of parts assembly in the domestic industry. In such welding, small blocks are placed at the welding site. There is work to weld sequentially. In such work, welding work is often performed in a range of about 10 m to 20 m, and it is necessary to move the welding wire feeding device along with the movement. This welding wire feeding device has a weight of about 20 to 30 kg and cannot be carried, but is heavy, and driving for driving the welding power wiring and welding wire feeding device for each movement. Since the electrical wiring for each operation is removed at the connector portion, it is necessary to save these troubles, so it is preferable to assist the movement of the welding wire feeder.

  However, the welding robot has a short distance, has many joints for various movements, is a relatively complicated and expensive device, and is simply not a device used for transporting or moving the welding wire feeder. It is appropriate.

  The present invention has been made in view of the above situation, and an object of the present invention is to provide a welding support apparatus and a welding support method that can move a welding wire feeder while covering a relatively wide range with a relatively simple structure. Is to provide.

  In order to achieve the above object, a welding support apparatus of the present invention includes a columnar body standing on a base of a welding workshop, a cylindrical body that engages with the columnar body and turns around the columnar body, and the cylinder A first arm fixed to the body and extending in one direction from the cylindrical body; and a second arm that engages with the first arm and slides inside or outside the first arm. The welding wire feeding device is arranged on the mounting portion on the distal end side of the second arm.

  According to this configuration, the welding wire feeding device mounted on the mounting portion on the distal end side of the second arm can be moved in a relatively wide range by a very simple configuration of turning the cylindrical body and extending and contracting the second arm. Therefore, the movement of the welding wire feeding device by the welding worker can be supported, and the efficiency of the welding operation can be improved.

  In the above-described welding support device, any one of the welding power wiring, the gas cutting work gas piping, the compressed air supply piping, and the driving wire for driving the welding wire feeding device is provided outside the first arm and the second arm. Or two or more combinations are arranged alongside each other, and each connecting connector portion is provided in the vicinity of the mounting portion or in the vicinity of the mounting portion. Compared to the welding robots etc. that are housed, the power wiring for welding, the gas piping for gas cutting work, and the compressed air supply piping are exposed to the outside. It can be easily pulled to the welding site by hooking only things outside. On the other hand, unnecessary items can be easily removed.

  In the above-described welding support device, each of the first arm and the second arm has a quadrangular frame shape, a bearing is provided at the lower end of the first arm, and a bearing is provided at the upper rear end of the second arm. If the second arm is inserted into the first arm and configured, the bearing is provided in two locations where a large load is applied with a very simple configuration. The two arms can be extended and contracted smoothly.

  In the above welding support device, if the welding wire feeding device is detachably disposed on the mounting portion, the welding wire feeding device can be moved further, so that welding can be performed in a wider range. Work can be done.

  In the above-described welding support device, when the cylindrical body is configured to be detachable from the base of the welding work place, the welding support device itself can be moved in the welding work place, so that welding can be performed in a wider range. Work can be done.

  And the welding support method for achieving the above-mentioned object is the rotation of the cylindrical body engaged with the cylindrical body standing on the base of the welding workshop, the rotation around the cylindrical body, the fixed to the cylindrical body, and the Engaging with a first arm extending in one direction from the cylindrical body and expanding and contracting the second arm sliding inside or outside the first arm ensures a moving range on the tip side of the second arm. Then, the welding wire feeding device disposed on the mounting portion on the distal end side of the second arm is moved and disposed.

  According to this method, the welding wire feeding device mounted on the mounting portion on the distal end side of the second arm can be moved in a relatively wide range by a very simple method of turning the cylindrical body and expanding and contracting the second arm. Therefore, the movement of the welding wire feeding device by the welding worker can be supported, and the efficiency of the welding operation can be improved.

  According to the welding support device and the welding support method of the present invention, the welding wire feeding device can be moved while covering a relatively wide range with a relatively simple structure.

It is a side view showing typically composition of a welding support device of an embodiment concerning the present invention, and is a figure showing the state where the 2nd arm was extended. It is a side view which shows the state which contracted the 2nd arm of the welding assistance apparatus of FIG. It is a cross-sectional view of the 1st arm and the 2nd arm which show the position of the bearing provided in the 1st arm and the 2nd arm in the welding support device of Drawing 1.

  Hereinafter, a welding support device according to an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 3, a welding support device 1 according to an embodiment of the present invention includes a columnar body 11 erected on a base 2 of a welding workshop, and the columnar body 11 engaged with the columnar body 11. 11 is engaged with the first arm 13 which is fixed to the cylindrical body 12 and extends in one direction from the cylindrical body 12; The second arm 14 slides inside or outside the first arm 13, and the welding wire feeding device 20 is disposed on the mounting portion 14 a on the distal end side of the second arm 14.

  The cylindrical body 11 can be constituted by, for example, a pipe having a diameter of about several tens mm and a height of about 1 m to 1.5 m. The cylindrical body 12 has an inner diameter that is several millimeters larger than the outer shape of the cylindrical body 11 so that the cylindrical body 11 can be accommodated therein, and when the cylindrical body 12 is engaged with the cylindrical body 11, The cylindrical body 12 is formed shorter than the height above the base 2 of the cylindrical body 11 so that the lower end of the cylindrical body 12 does not contact the base 2. In addition, it is advantageous in terms of strength that the cylindrical body 12 accommodates the cylindrical body 11 because the fixing area between the first arm 13 and the cylindrical body 12 can be increased, but the cylindrical body 12 is placed inside the cylindrical body 11. The upper part of the cylindrical body 12 may be housed above the upper end of the cylindrical body 11.

  And it is preferable to comprise this cylindrical body 11 so that attachment or detachment with respect to the base | substrate 2 of a welding workshop is possible. For example, the cylindrical body 11 is composed of an iron mandrel fixed to the base 2 of the welding workshop. In this case, as shown in FIG. 1, the cylindrical body 11 is provided in several places where there is a possibility of movement, and the cylinder 12, the first arm 13, and the second arm 14 are used by an operator or a crane. The cylindrical body 12 is inserted into the cylindrical body 11 erected at the next place, and the cylindrical body 12, the first arm 13, and the second arm 14 are connected. Install. As a result, the welding support device 1 itself can easily move in the welding work place.

  Further, it is necessary to fix the turning of the cylindrical body 12 with respect to the cylindrical body 11 when the cylindrical body 12 is turned around the cylindrical body 11. As this turning fixing mechanism, the fixing screw hole 12h in the cylindrical body 12 is used. The cylindrical body 12 is pivotally moved around the cylindrical body 11 and positioned, and then the fixing bolt 12b is inserted into the fixing screw hole 12h and screwed, and the cylindrical body 11 is fixed with the fixing bolt 12b. A mechanism for fixing by pressing can be employed. Thereby, the second arm 14 can be easily fixed to the first arm 13.

  As a result, the welding support device 1 is moved according to the progress of the welding of the welded body for the medium-scale component assembly work such as the shipyard's internal work, and the welding wire feeding device 20 is Since it becomes relatively easy to move to a place where welding at that time is necessary, the efficiency of the welding operation can be further improved.

  The first arm 13 is formed of a square pipe having a width of several centimeters, a height of several tens of centimeters and a square shape with a square plate thickness of several millimeters and a length of several meters. The distal end side of the first arm 13 is an open end, and a first bearing 17 is provided on the cylindrical body 12 side slightly from the open end. The rear end side of the first arm 13 (cylindrical body 12 side) may be closed. However, it is not necessary to keep the opening open, and in addition, it is not necessary to close the opening and is provided at the rear end of the second arm 14. Further, it is easy to perform operations such as installation, inspection, and replacement of the second bearing 18. The rear end side is configured such that the rear end portion of the first arm 13 is fixed to the upper portion of the cylindrical body 12 by welding.

  Since a large load force and load moment are applied to the joint portion between the rear end portion of the first arm 13 and the upper portion of the cylindrical body 12, it is desirable to provide the reinforcing member 15. If the reinforcing member 15 is formed of the same pipe as the square pipe of the first arm 13 or the second arm 14, the number of types of materials can be reduced. The length is 30% to 60% of the length of the first arm 13. The reinforcing member 15 is provided in a state where the rear end side of the square pipe is in contact with the cylindrical body 12 and the upper surface of the square pipe is in contact with the lower surface of the square pipe of the first arm 13. Further, it is preferable to provide a triangular bracket 16 at the corners of the reinforcing member 15 and the cylindrical body 12. Thereby, the member of the 1st arm 13 becomes heavy, and it can control that welding support device 1 enlarges and becomes heavy.

  Similarly to the first arm 13, the second arm 14 has a quadrangular cross-sectional plate thickness of several millimeters, and the inside or outside of the first arm 13 (in the configuration of FIGS. 1 to 3). It is made of a square pipe that can slide. Then, the second bearing 18 is provided slightly on the front end side from the opening on the rear end side of the second arm.

Further, when the second arm 14 is accommodated in the first arm 13 and moved to the rear end side, the second bearing 18 portion is configured to protrude outward from the rear end of the first arm 13. The second bearing 18 can be easily installed, inspected and replaced. This configuration can be easily performed by making the length of the second arm 14 longer than the length of the first arm 13, but even if the length of the second arm 14 is made shorter than the length of the first arm 13. It can be easily performed by pushing the second arm 14 from the front end side of the first arm 13 or pulling out the second arm 14 from the rear end side of the first arm 13,
Further, when the first arm 13 and the second arm 14 are turned, it is dangerous if the second arm 14 moves with respect to the first arm 13, so it is necessary to provide a fixing mechanism for stopping the sliding of the second arm 14. is there. As the fixing mechanism, a fixing screw hole 13h is provided in the first arm 13 and positioned by moving in the longitudinal direction, and then a fixing bolt 13b is inserted into the fixing screw hole 13h and screwed to fix. A mechanism for fixing the second arm 14 by pressing it with the bolt 13b can be employed. Thereby, the second arm 14 can be easily fixed to the first arm 13.

  And the mounting part 14a which mounts the welding wire feeder 20 in the front-end | tip part of the 2nd arm 14 is provided. Also, any one of the welding power wiring 31, the working gas piping 32, the compressed air supply piping 33, and the driving electrical wiring 34 of the welding wire feeder is provided outside the first arm 13 and the second arm 14. Arrange two or more combinations along. In particular, the welding power supply device that supplies the welding power consumed by the welding machine is as heavy as about 100 kg to 200 kg, and thus is disposed in a place that does not interfere with the welding place. And the welding power supply line which supplies the welding power from this welding power supply apparatus to a welding machine is wired via the mounting part 14a.

  In addition, each connecting connector portion is provided in the vicinity of the mounting portion 14a or the mounting portion 14a. These connectors include a welding power wiring 31, a working gas piping 32, a compressed air supply piping 33, and a driving electrical wiring 34, which are not shown, and include a welding power source, a gas supply source, and a compressed air supply source. Connect the wiring or piping from the electric power source for driving. Furthermore, in these connection connector parts, it is configured so that wirings or pipes that are supplied to an appliance that consumes each energy, such as a welding machine, a gas cutting machine, and a grounder (not shown) can be connected.

  According to this configuration, since the welding power wiring 31, the working gas pipe 32, the compressed air supply pipe 33, and the driving electric wire 34 are arranged outside the first arm 13 and the second arm 14, Since these wirings do not lie on the base 2, it is possible to ensure the safety of the workers' feet. Further, compared to a welding robot or the like that accommodates cables or the like inside the arm, the welding power wiring 31, the working gas pipe 32, the compressed air supply pipe 33, and the drive are provided outside the first arm 13 and the second arm 14. Since the electrical power supply 34 is exposed, these wiring and piping installation work, inspection work, replacement work, etc. are facilitated, and only necessary ones are hung outside the first arm 13 and the second arm 14. It can be easily pulled to the welding site by hooking it on the tool. On the other hand, unnecessary items can be easily removed.

  In addition, the welding wire W supply path and welding power supply path necessary for welding, and other gas cutting work and grinder application work can be carried out at the same location, welding preparation work, inspection work, rework Work, end work, etc. can be performed together. As a result, work efficiency can be further improved.

  According to the welding support device 1 having this configuration, the welding wire feeding on the mounting portion 14a on the distal end side of the second arm 14 can be performed by a very simple configuration of turning the cylindrical body 12 and expanding and contracting the second arm 14. Since the apparatus 20 can be moved in a relatively wide range, it is possible to support the movement of the welding wire feeding apparatus 20 by a welding worker, and the efficiency of the welding work can be improved.

  The welding support method according to the embodiment of the present invention includes a rotation of the cylindrical body 12 engaged with the cylindrical body 11 erected on the base 2 of the welding workshop, the rotation of the cylindrical body 11 around the cylindrical body 11, and the fixed to the cylindrical body 12. The distal end side of the second arm 14 by the expansion and contraction of the second arm 14 that engages with the first arm 13 extending in one direction from the cylindrical body 12 and slides inside or outside the first arm 13. This is a method of moving and arranging the welding wire feeding device 20 disposed on the mounting portion 14a on the distal end side of the second arm 14 while securing the above movement range.

  According to this method, the welding wire feeding device 20 placed on the placement portion 14a on the distal end side of the second arm 14 is relatively moved by a very simple method of turning the cylindrical body 12 and expanding and contracting the second arm 14. Since it can move in a wide range, it can support the movement of the welding wire feeder 20 by a welding worker, and the efficiency of welding work can be improved.

  Therefore, according to the welding support apparatus and the welding support method having the above-described configuration, the welding wire feeding apparatus can be moved while covering a relatively wide range with a relatively simple structure.

DESCRIPTION OF SYMBOLS 1 Welding assistance apparatus 2 Base | substrate 11 Cylindrical body 12 Cylindrical body 12b Fixing bolt 12h Fixing screw hole 13 1st arm 13b Fixing bolt 13h Fixing screw hole 14 2nd arm 14a Mounting part 15 Reinforcement member 16 Bracket 17 1st Bearing 18 Second bearing 20 Welding wire feeder 31 Welding power wiring 32 Working gas piping 33 Compressed air supply piping 34 Electrical wiring

Claims (6)

  A cylindrical body that engages with a cylindrical body standing on the base of the welding work place and pivots around the cylindrical body, and a first arm that is fixed to the cylindrical body and extends in one direction from the cylindrical body And a second arm that engages with the first arm and slides inside or outside the first arm, and the welding wire feeding device is disposed on the mounting portion on the distal end side of the second arm. A welding support device characterized by that.   A power wiring for welding, a gas pipe for gas cutting work, a compressed air supply pipe, a driving electric wiring for the welding wire feeder, or a combination of two or more outside the first arm and the second arm The welding support device according to claim 1, wherein each of the connection connector portions is provided near the placement portion or in the vicinity of the placement portion.   Each of the first arm and the second arm has a quadrangular frame shape, a bearing is provided at the lower end of the first arm, and a bearing is provided at the upper rear end of the second arm. The welding support system according to claim 1, wherein an arm is inserted into the first arm.   The welding support device according to any one of claims 1 to 3, wherein the welding wire feeding device is detachably disposed on the mounting portion.   The welding support device according to claim 1, wherein the cylindrical body is configured to be detachable from the base of the welding work place.   Rotation of a cylindrical body engaged with a cylindrical body standing on a base of a welding work place around the cylindrical body, and a first arm fixed to the cylindrical body and extending in one direction from the cylindrical body. In addition, the expansion and contraction of the second arm sliding inside or outside of the first arm secures a moving range on the tip side of the second arm, and is placed on the mounting portion on the tip side of the second arm. A welding support method comprising moving and arranging a welding wire feeding device arranged.

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