JP2016501726A - Welding rod holder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a welding rod holder which requires a small installation space and can improve the quality of welding. A welding rod holder according to the present invention includes a power unit 102 that provides drive power, a drive mechanism 20 that is connected to the power unit and driven by the power unit, and a drive mechanism that is connected to the drive mechanism. An electrode mounting base 24 driven by a mechanism, electrodes 30 and 50 provided on the electrode mounting base to realize a closing operation or an open state in conjunction with the electrode mounting base, and the driving mechanism connected to the driving mechanism And a holder 40 that is installed correspondingly with the holder installation table 26 and a holder 40 that is provided on the holder installation table and operates to close and open in conjunction with the holder installation table. The electrode and the holder are driven by the same drive mechanism, and when performing the welding operation, the holder arrives at the working position earlier than the electrode and performs a sandwiching operation, and when opening, the holder opens later than the electrode. And [Selection] Figure 1

Description

  The present invention relates to welding equipment, and more particularly to a welding rod holder.

  Many automobile manufacturers in Japan and overseas use resistance spot welding mainly for welding to the car body, and the cost of the artificial welding method is low, but the quality is not stable. Moreover, in order to use welding by a robot, the input amount is large at one time, and the production cost and the maintenance cost are high. In order to maintain welding quality while reducing production costs, many manufacturers have researched and developed simplified automatic welding equipment, and some simple automatic welding equipment are in operation.

  However, the conventional general automatic welding has a lot of drawbacks such as a large installation space, a long distance from the welding point and connection point, and cannot be repaired due to wear of the welded electrode. The welding point on the surface of the steel is bent, greatly affecting the quality of the weld.

  The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to provide a welding rod holder that requires a small installation space and can improve the quality of welding.

  The welding rod holder includes a power unit that provides drive power, a drive mechanism that is connected to the power unit and driven by the power unit, and an electrode installation base that is connected to the drive mechanism and driven by the drive mechanism An electrode that is provided on the electrode installation table and realizes a closing operation or an open state in conjunction with the electrode installation table, is connected to the drive mechanism, is driven by the drive mechanism, and corresponds to the holder installation table. And a holder that is provided on the holder installation base and that operates to close and open in conjunction with the holder installation base.

  The best embodiment of the invention includes a rotation lever that is rotationally connected to the holder installation base and the electrode installation base, and the holder installation base and the electrode installation base are formed at the rotation point together with the connection position of the peristaltic support. The electrode includes a first electrode and a second electrode that are installed correspondingly, and the holder is installed corresponding to the first electrode, and the holder installation unit is provided with a holder slide unit, which is movable with the drive mechanism. The holder slide unit and the holder are provided at opposite ends of the holder installation table relative to the rotation point of the holder installation table, and the electrode installation unit is provided with an electrode slide unit and the drive The electrode ride unit and the first electrode are movably connected to the mechanism, and are provided at opposite ends of the holder mounting base relative to the rotation point of the electrode mounting base.

  In the best mode of the invention, the linear motion of the drive mechanism is driven by the power unit, and the drive mechanism includes a runner unit, and a holder runner that performs a sliding motion while being aligned with the holder slide unit on the runner unit is provided. The runner unit is provided with an electrode runner that slides along with the electrode slide unit.

  In the best mode of the invention, the holder slide unit or the electrode slide unit is a sliding bearing that rolls along the holder runner or the electrode runner while moving along the holder runner or the electrode runner, and the holder installation base is the runner unit. And is opened after being relatively closed to the electrode mounting base.

  In the best embodiment of the invention, the holder installation base is provided relative to the electrode installation base, and the runner unit includes a relatively provided holder driving unit and electrode driving unit, and the holder runner is a holder driving unit. And an electrode runner is provided in the electrode driving unit.

  In the best mode of the invention, the electrode runner is a single-shaped runner, the holder runner is a Γ-type runner, and the drive unit installed in a form almost parallel to the electrode runner and the drive unit is bent. And a relaxation radius that is provided at one end that is relatively close to the power unit and that is turned to the rotation point of the holder installation table is the rotation radius of the first electrode installation table. Smaller than.

  In the preferred embodiment of the invention, the electrode slide unit is installed vertically or nearly perpendicularly along the movement locus of the electrode runner and the movement locus of the runner unit, and the holder slide unit is moved along the movement locus of the relaxation portion and the movement of the runner unit. The holder slide unit is installed in a shape that is parallel or nearly parallel along the trajectory, and is installed in a shape that is nearly perpendicular to the motion trajectory of the runner unit along the motion trajectory of the drive unit.

  In the best embodiment of the invention, the holder installation base or the electrode installation base is installed in the cane unit, the rotation point is installed at the corner of the cane unit, the holder and the holder slide unit, or the first electrode and the electrode. Slide units are installed at both ends of the cane unit.

  In the best mode of the invention, the drive mechanism includes a second electrode installation base for installing the second electrode, and the rotation lever is installed on the second electrode installation base.

  In the best mode of the invention, the second electrode is installed on the second electrode installation table by installing the second electrode connection table, and the second electrode connection table is provided with the second electrode connection table. It includes a cane-like installation part that is connected and installed.

  In the best embodiment of the invention, a stereotaxic block that is installed in correspondence with a holder and fixes a part waiting for processing together with the holder, a stereotaxic block installation base for installing the stereotaxic block, a first electrode and a first electrode installed It includes an insulating plate provided between the base and a signal switch for sensing the movement locus and position of the drive mechanism.

  In the preferred embodiment of the invention, the drive mechanism is provided on both opposite sides of the runner unit and is movably connected to the runner unit, the first side plate and the second side plate. And a first accessory installation case and a second accessory installation case that are connected in correspondence with each other, and a guide groove that is provided on the first side plate or the second side plate and guides the movement of the runner unit, A movement space of the runner unit is formed between the first side plate and the second side plate.

  In a preferred embodiment of the invention, the holder is provided in a holder main body, a position adjusting unit connected to the holder main body and adjusting the working position of the holder relative to the holder main body, and a holder installation base. And a tightening force adjusting unit that adjusts the tightening force of the holder body together with the position adjusting unit.

  In a preferred embodiment of the invention, the holder main body includes a holder portion and an adjustment portion that extends from the holder portion and adjusts together with the position adjustment unit. An elastic unit that is screwed and adjusts the working position of the holder main body with a screw, and the tightening force adjusting unit is installed on the holder main body and is installed so as to be accommodated in the holder installation base It is.

  In the best mode of the invention, the second electrode includes an electrode base, an adjusting device screwed to the electrode base and adjusting the position of the electrode base, and an electrode nut screwed to the electrode base.

  In the preferred embodiment of the invention, the electrode nut includes a connecting portion having a Yama structure and a multi-sided working portion connected to the connecting portion, and the electrode nut and the adjusting device are provided on the installation base. Provided at opposite ends, and a connecting copper plate is further connected to the electrode base.

  In the best mode of the invention, the first electrode includes an electrode arm connected to the electrode mounting base, a handle connected to the electrode arm, and an electrode cover connected to the handle. Adjust the structural connection with a taper between the handles.

  The best embodiment of the invention includes a second electrode installation table, the first electrode installation table and the second electrode installation table are connected by a transmission component, and the second electrode installation table is rotated in conjunction with the transmission component. It is.

  Since the electrodes and holders are installed in the same welding rod holder in the above-mentioned welding rod holder, the corresponding electrode installation base and holder installation base are simultaneously installed by the drive mechanism to form the entire structure. The entire drive and control are performed. This solves the problem that the distance from the traditional welding rod holder and holder parts is long, and the inconvenience of operation control such as localization by each installation, and the drive is unified by the drive mechanism, and the control and control by the unified control It will make automation operations more convenient.

  In addition, the opening and closing work is realized by driving the runner unit and driving the electrode to the first electrode mounting base connected by the runner's activity, and the runner unit by the linear motion of the power unit such as the cylinder drive runner unit. It is possible to switch to the rotational movement of the electrode mounting base connected to the motor, and to switch the electrode on and work state by the rotational movement. By driving the linear movement of the runner unit by the power unit, the opening and closing of the electrode can be accurately performed. Control and advance to achieve automated and accurate control of welding, and at the same time accurately control on / off, and at the same time, the runner unit converts the linear motion of the cylinder into the rotational motion of the electrode mounting base. Even if a power unit such as a cylinder breaks down, the runner unit is centered on the upper and lower electrodes. It occurs a relaxation action to avoid damage due to a strong hit, led by protecting the upper and lower electrodes, is simultaneously the cylinder to avoid an impact force due to direct drive.

The figure which shows the structure of the welding-rod holder of the Example of this invention The figure which shows the decomposition | disassembly state of the structure of the welding rod holder of the Example of this invention The figure which shows the decomposition | disassembly state of the structure of the drive mechanism of the welding rod holder of the Example of this invention The figure which shows the structure of the runner unit of the welding rod holder of the Example of this invention The figure which shows another view angle of the structure of the runner unit of the welding rod holder of the Example of this invention The figure which shows the structure of the closing operation state of the electrode side of the welding rod holder of the Example of this invention The figure which shows the structure of the closing operation state of the holder side of the welding rod holder of the Example of this invention The figure which shows the structure of the open state by the side of the electrode of the welding rod holder of the Example of this invention The figure which shows the structure of the open state by the side of the holder of the welding rod holder of the Example of this invention The figure which shows the structure of the holder of the Example of this invention The figure which shows the structure of the electrode of the Example of this invention The figure which shows the structure of the welding electrode of the Example of this invention

  As shown in FIGS. 1 to 9, a power unit 102 that provides driving power and a driving mechanism 20 that is connected to and driven by the power unit 102 are provided, and an electrode that is connected to and driven by the driving mechanism 20 is installed. The electrode that realizes the closing operation or the open state from the table 24 and the electrode installation table 24 is interlocked and installed on the holder installation table 26 that is driven by being connected to the drive mechanism 20 and the holder installation table 26. A welding rod holder 100 interlocked with a holder 40 that realizes an opening operation by fixing or loosening. In the present embodiment, the electrode installation base 24 and the holder installation base 26 are installed correspondingly, and the best mode is installed side by side.

  In the best mode of this embodiment, the power unit 102 is provided with driving power from the cylinder. The first electrode 30 and the second electrode 50 are correspondingly installed in the electrode of the present embodiment, and the holder 40 and the first electrode 30 are appropriately installed, and the drive mechanism 20 drives the electrode installation table 24 while driving the first electrode 24. The welding operation is realized by interlocking the closing operation of approaching the electrode 30 to the second electrode 50. After the welding is completed, the drive mechanism 20 drives the electrode mounting base 24 so as to move the first electrode 30 away from the second electrode 50, thereby realizing the open state. At the same time, the drive mechanism 20 drives the holder mounting base 26 to interlock the holder 40 so that a workpiece waiting part is sandwiched. When welding is completed, the first electrode 30 opens to the set position, and the drive mechanism 20 is also installed in the holder. As the base 26 is driven, the holder 40 is loosened to realize the opening operation, and the first electrode 30 is also finally opened.

  Furthermore, the driving mechanism 20 of this embodiment drives a runner unit 22 that moves linearly from the power unit 102, and closes and opens the first electrode 30 from the runner unit 22 while being connected to the electrode installation base 24 and the runner unit 22. Driven to achieve. The holder mounting base 26 is also driven by the runner unit 22 so as to realize the closing and opening operations of the holder 40 while being connected to the runner unit 22.

  The runner unit 22 includes a holder drive unit 222 and an electrode drive unit 224 that are relatively installed. A holder runner 2222 that matches the holder installation base 26 is installed in the holder driving unit 220, and an electrode runner 2242 that matches the electrode installation base 24 is installed in the electrode driving unit 224.

  The holder installation base 26 has a holder slide unit 262 that slides along the movement locus while being combined with the holder runner 2222. The electrode installation base 24 has an electrode slide unit 242 that moves along the installation locus while being aligned with the electrode runner 2242.

  In the best mode of this embodiment, the holder slide unit 262 or the electrode slide unit 242 is a rolling and sliding bearing while moving in accordance with the holder runner 2222 or the electrode runner 2242.

  Further, the welding rod holder 100 of the present embodiment has a rotation lever 33, a rotation point is set on the holder installation table 26 or the electrode installation table 24, and is rotated and connected by the rotation shaft 29 or the rotation lever 33. The electrode mounting base 24 is rotated while being rotated by the rotary lever 33.

  The contact points of the holder installation table 26 and the rotation lever 33 become lever points of the holder installation table 26, and the holder 40 and the holder slide unit 262 are installed at both ends of the holder installation table 26 relative to the rotation point of the holder installation table 26. . In this embodiment, one end of the insulator is driven to move the other end, the holder slide unit 262 installed at one end of the insulator is driven or the holder 40 installed at the other end is moved by activation, and the holder 40 is moved by moving the holder slide unit 262 up and down. The closing operation or opening operation is linked.

  The contact points of the electrode mounting table 24 and the rotation lever 33 form the insulator fulcrum of the electrode mounting table 24, and the first electrode 30 and the electrode slide unit 242 are installed at both ends relative to the rotation point of the electrode mounting table 24. .

  In this embodiment, the first electrode 30 at the other end of the insulator is moved by driving or starting the electrode slide unit 242 at the one end of the insulator, the upper and lower sides of the electrode slide unit 242 at the other end of the insulator are driven, and the first electrode 30 at the other end of the insulator is driven. The closing or opening operation is linked.

  The holder installation table 26 or the electrode installation table 24 is installed in a cane-like unit, and the rotation point of the holder installation table 26 or the electrode installation table 24 is installed at the corner of the cane unit. The holder 40, the holder slide unit 262, the first electrode 30, and the electrode slide unit 242 are installed at both ends of the cane-like unit.

  The electrode slide unit 242 according to the present embodiment moves along the electrode runner 2242, and the movement route is installed in a form that is perpendicular or nearly perpendicular to the movement route of the runner unit 22 linked with the power unit 102. The electrode runner 2242 is installed on the single-letter runner.

  The holder runner 2222 of the present embodiment has a relaxed portion 2223 installed in parallel with the movement route of the runner unit 22 linked with the power unit 102 and a drive installed near the movement route of the slide unit 22 linked with the power unit 102. The portion 2225 is formed by bending and extending from the relaxing portion 2223. Furthermore, the holder runner 2222 is installed on the cane-like runner, and the relaxation part 2223 and the drive part 2225 intersect to form a cane-like structure. Furthermore, the drive part 2225 of the holder runner 2222 is installed in parallel or nearly parallel to the electrode runner 2242, and the relaxation part 2223 of the holder runner 2222 is installed opposite one end near the power unit 102.

  In addition, the holder runner 2222 and the electrode runner 2242 are installed to raise the first electrode 30 before the holder 40 and open the holder 40 in the final open state. The turning radius is set smaller than the turning radius of the electrode mounting base 24.

  Further, the welding rod holder 100 of the present embodiment has a localization block 37 and a localization block mounting base 39 for installing the localization block 37, the localization block 37 and the holder 40 are correspondingly installed, and the parts to be processed are fixed together. The holder 40 is localized.

  Further, the drive mechanism 20 of the present embodiment has a second electrode mounting base 53 on which the second electrode 50 is disposed. In order to make the structure tighter and simplify and save the cost, the rotary lever 33 of the present embodiment is provided with the second electrode mounting base 53. The rotating lever 33 and the second electrode mounting base 53 are formed by the entire processing in order to reduce the number of processing and combination processes and to maintain the work strength of the parts at the same time.

  Furthermore, in this embodiment, the second electrode installation base 53 installs the second electrode connection base 57 to install the second electrode 50.

  For the convenience of installation and to maintain the strength of the installation, the second electrode installation base 53 has an installation portion 532 that forms a rotation lever 33 and a cane-like part connected to the rotation lever 33.

  Furthermore, the welding rod holder 100 of the present embodiment has a connecting copper plate 35 that is connected to the second electrode 50.

  Further, an insulating plate 31 is installed between the first electrode 30 of this embodiment and the electrode mounting base 24.

  Further, the drive mechanism of the present embodiment includes a first side plate 70 and a second side plate 72 movably connected to the runner 22, and the first side plate 70 or the second side plate 72 guides the movement stroke of the runner unit 22. The groove 700 is installed, and an exercise space in which the runner unit 22 moves is formed between the first side plate 70 and the second side plate 72.

  The first side plate 70 and the second side plate 72 of this embodiment are respectively installed on both sides of the runner unit 22, and are movably connected to the electrode drive unit 224 and the holder drive unit 222, respectively. Alternatively, the guiding is performed with the guiding groove 700 of the second side plate 72.

  Further, the drive mechanism 20 of the present embodiment has a first attached installation case 73 or a second attached installation case 75 which is connected to the first side plate 70 or the second side plate 72 and corresponds respectively.

  Furthermore, the drive mechanism 20 of this embodiment has a support plate 77 installed on the support of the power unit.

  The welding rod holder 100 of the present embodiment has a signal switch 79 that receives a signal of the movement position or movement stroke of the drive mechanism 20 and sends a control signal to the control unit or control system. 73, the control unit or the control system controls the operation of the drive cylinder after receiving the signal instruction of the signal switch 79, and the drive mechanism 20 of the present embodiment drives the first electrode or the holder by driving the cylinder, A closing operation or an open state is realized.

  Further, in order to protect the internal components of the drive mechanism 20 of the present embodiment, in particular, movable parts, the drive mechanism 20 of the present embodiment has a dustproof cover 97 which is installed in the first attached installation case 73 or the second attached installation. It is connected to the case 75 and installed in the gap between the first attached installation case 73 and the second attached installation case 75.

  As shown in FIGS. 6 to 9, the welding rod holder 100 of this embodiment drives the linear motion of the drive mechanism 20 from the cylinder by the power unit 102, and the holder mounting base 26 connected to the runner unit 22 is interlocked. The holder mounting table 26 during welding first positions the first electrode 30 facing the holder 40 and fixes the parts waiting for processing. After the work is completed, the electrode mounting table 24 is driven, The interlocking is performed so that the holder 40 facing the one electrode 30 is loosened first.

  Electrode runners 2242 installed in a single character form on electrode drive unit 224 and holder drive unit 222 on both sides of runner unit 22 and holder runners 2222 installed in a Γ-shaped cane are respectively installed correspondingly, and when the welding rod holder is in working state When the electrode mounting base 24 becomes a bearing at one end (for example, the leftmost side) of the electrode runner 2242 installed in a single shape of the electrode slide unit 242, and when the power unit 102 (the best example is a cylinder) begins to contract, the runner unit 22 It moves downward relative to each other, and the top of the electrode mounting base 24 becomes a bearing of the electrode slide unit 242 and slides to the right side of the one-shaped electrode runner 2242, and the electrode mounting base 24 moves the first electrode 30 above the electrode mounting base 24. The welding rod holder is immediately connected to the bearing (ie, the rotation point) Mase, the first electrode 30 is the distance from the second electrode 50.

  As shown in FIG. 6 to FIG. 9, the power unit 102 (the best at the vertical lower end of the runner unit 22 in the relative working state of the runner unit 22 as a bearing of the holder slide unit 262 on the holder mounting base 26 in the relative working state. For example, when the cylinder) starts to contract, the runner unit 22 moves downward relative to each other, and the relative working state of the holder runner 2222 having the Γ-shaped cane shape of the runner unit 22 as the bearing of the holder slide unit 262 on the holder installation base 26. At this time, the holder installation base 26 does not rotate from the rotation point, and the holder installation base 26 has a horizontal end of a Γ-shaped cane-like holder runner 2222 as a bearing of the holder slide unit 262. At the rightmost end (that is, the uppermost end of the vertical portion of the Γ-shaped cane-shaped holder runner 2222) Until the holder 40 does not operate, the cylinder 102 continues to contract, and the bearing as the holder slide unit 262 slides to the left side of the horizontal portion of the Γ-shaped cane-like holder runner 2222 on the holder installation base 26, The holder 40 is interlocked so as to rotate from a rotation shaft (that is, a rotation point) installed on the holder installation base 26, so that the holder 40 is loosened and opened. When the power unit 102 (the best example is a cylinder) is retracted to a minimum stroke, the welding rod holder is fully opened. Since both the electrode installation table 24 and the holder installation table 26 rotate from the same rotation point, the rotation radius of the holder installation table 26 becomes smaller than the rotation radius of the electrode installation table 24, and the electrode installation table 24 leads the first electrode 30 first. The opening operation is realized, and the holder 40 interlocked with the holder mounting base 26 reaches the final fully opened state.

  When the power unit 102 (the best example is a cylinder) is extended, the electrode mounting base 24 and the holder mounting base 26 start to rotate around the rotation point, and the electrode mounting base 24 and the holder mounting base 26 immediately move the first electrode 30 and the holder 40, respectively. When the pairing as the holder slide unit 262 is at the rightmost end of the horizontal stage of the cane-like Γ-type holder runner 2222, the holder 40 starts to contact the stereotaxic block 37. The first electrode 30 is not yet in contact with the second electrode 50, and the power unit 102 continues to grow, and the holder mounting unit 26 has a bearing as the holder slide unit 262 in the vertical stage of the cane-like holder runner 2222. The bearing as the electrode slide unit 242 is still in the shape of a single letter on the electrode mounting base 24. Until the first electrode 30 and the second electrode 50 come into contact with each other, the stroke of the power unit 102 (the best example is a cylinder) does not increase any more, and the bearing as the electrode slide unit 242 slides. When it stops, the operation of the welding rod holder is completed.

  As shown in FIG. 10, the holder 40 of this embodiment further includes a holder main body 402, a position adjusting unit connected to the holder main body 402, and a tightening force adjusting unit installed in the holder installation base 26.

  Further, the position adjustment unit of the present embodiment is hung on the holder main body 402, and adjustment is performed while relatively moving on the holder main body 402 in order to adjust the work position of the holder main body 402.

  The position adjustment unit of the present embodiment is a mountain adjustment unit that is connected to the holder body 402 and adjusts the movement of the holder body 42 to the working position through the mountain. Furthermore, the YAMA adjustment unit of this embodiment is a nut 405.

  The tightening force adjusting unit of this embodiment is installed in the holder installation base 26, and the tightening force of the holder is adjusted together with the position adjusting unit.

  The holder main body 402 of this embodiment has a holder portion 4022, and a holder adjustment portion 4024 that extends from the holder portion 4022 and adjusts together with the position adjustment unit and the tightening force adjustment unit is formed.

  The tightening force adjusting unit of this embodiment is a spring 407 that is hung on the holder main body 402. Further, in this embodiment, a spring 407 as a tightening force adjusting unit is hung on the holder adjusting portion 4024 and installed.

  Further, the holder body 263 of the holder main body 402 including the first body 2632 and the second body 2634 penetrating the first body 2632 is installed on the holder installation base 26 of the present embodiment.

  Further, the first body 2632 of this embodiment is suitable for the size of the holder part 4022, the holder part 4022 is installed in the first body 2632, and can be moved in the first body 2632 by adjusting the nut 405, Then, since the holder portion 4022 of the holder body 402 moves in position within the first barrel 2632, the size of the cross section of the first barrel 2632 corresponds to the size of the cross section of the holder portion 4022, thereby tightening the holder body 402. The work position is adjusted.

  Further, the size of the second cylinder 2634 of this embodiment is suitable for the size of the holder adjustment part 4024 of the holder 402, and the holder adjustment part 4024 of the holder body 402 is installed in the second cylinder 2634, and the cross section of the second cylinder 2634 The holder adjustment portion 4024 of the holder main body 402 can move in the second cylinder 2634, whereby the holder section 4022 is moved in the first cylinder 2632. The position of the tightening operation of the holder main body 402 is adjusted while driving the movement. At the same time, the tightening force of the holder main body 402 is adjusted through the spring 407 of the holder adjusting portion 4024 of the holder main body 402 installed on the first body 2632.

  The first cylinder 2632 and the second cylinder 2634 of this embodiment are installed with two cylinders having different cross-sectional sizes.

  The holder main body 402 of this embodiment is a column unit, the size of the cross section of the holder portion 4022 of the holder main body 402 is larger than the holder adjusting portion 4024, and the first barrel 2632 and the second barrel 2634 are the holder portions of the holder main body 402, respectively. 4022 and the holder adjusting unit 4024 are installed in accordance with the size of the holder, and the first cylinder 2632 and the second cylinder 2634 are installed as through cylinders having two different cross-sectional sizes.

One end of the spring 407 is attached on the holder portion 4022 of the holder main body 402, and the other end is attached to the connection portion of the first cylinder 2632 and the second cylinder 2634.
As shown in FIGS. 11 to 12, the second electrode 50 of the present embodiment includes an electrode base 502 and an electrode nut 504 that is connected to the yama of the electrode base 502.

  Further, the electrode nut 504 of the present embodiment has a connecting portion 5042 of a Yama structure that is connected to the electrode base 502 and a work portion 5044 of a polyhedral structure that is connected to the connecting portion 5042, and the electrode nut 504 has a contact area with a part to be processed. In order to increase and make it hard to wear out, the electrode nut 504 is installed in the work part 5044 having a polyhedral structure.

  Furthermore, an electrode nut 504 is installed at one end of the electrode table 502 or connected to one end of the electrode table 502.

  Furthermore, the second electrode 50 of this embodiment has an adjusting device that is movably connected to the electrode table 502 and adjusts and compensates for wear of the electrode nut 504, and the adjusting device and the electrode nut 504 are installed at opposite ends of the electrode table 502. It is.

  Furthermore, the adjusting device of this embodiment and the electrode base 502 are connected with a yama, and the adjusting device is an adjusting screw 505. An adjustment screw 505 adjusts the height of the electrode stage 502 through the yama, thereby compensating for wear of the electrode nut 504. When the electrode nut 504 can be twisted out from the connecting portion 5042 having a Yama structure to some extent, the electrode nut 504 is replaced. Since the electrode nut 504 of this embodiment is convenient for replacement, a connecting portion 5042 having a Yama structure is provided. Further, the connecting copper plate 35 is installed on the electrode table 502 from the fixed unit.

  As shown in FIGS. 11 to 12, the first electrode 30 of this embodiment has an electrode arm 302 connected to the electrode mounting base 24, a handle 304 connected to the electrode arm 302, and an electrode cover connected to the handle 304. There are 306.

  In addition, the electrode cover 306 and the handle 304 of the present embodiment are tapered and the structural connection is matched, so that the first electrode 30 forms a surplus compensation for the wear of the electrode cover 306 from the cylinder.

  What has been posted in the above-described embodiments is specifically used to describe the present invention, and has been described in technical terms in the text. The scope should not be limited, and even if a person skilled in the art understands the concept and concept of the present invention and makes changes or modifications to achieve the same effect, All modifications are intended to be included in the claims that follow.

Solves the problems that the distance from the welding rod holder and holder parts in the prior art is long and the inconvenience of operation control such as localization by each installation, and unifies the drive with the drive mechanism, and controls and automated operation with unified control Can be useful and useful.

Claims (17)

  A power unit that provides driving power, a drive mechanism that is connected to the power unit and driven by the power unit, an electrode installation base that is connected to the drive mechanism and is driven by the drive mechanism, and the electrode installation base An electrode which is provided on the electrode mounting base to realize a closing operation or an open state, and a holder which is connected to the driving mechanism and is driven by the driving mechanism and is installed correspondingly to the holder mounting base. An installation table and a holder provided on the holder installation table and operated to close and open in conjunction with the holder installation table, the electrode and the holder are driven by the same drive mechanism, and welding work is performed. The welding rod holder characterized in that the holder sometimes arrives at a working position earlier than the electrode and performs a pinching operation, and when opened, the holder opens later than the electrode.   A rotation lever that is rotationally connected to the holder installation base and the electrode installation base is included. The holder installation base and the electrode installation base are formed at a rotation point together with the connection position of the peristaltic support, and are installed corresponding to the electrodes. Including a first electrode and a second electrode, a holder is installed correspondingly with the first electrode, a holder slide unit is provided on the holder installation base, and is movably connected to a drive mechanism, The holder is provided at opposite ends of the holder installation table relative to the rotation point of the holder installation table, an electrode slide unit is provided on the electrode installation table, and is movably connected to the drive mechanism. 2. The welding rod holder according to claim 1, wherein the ride unit and the first electrode are provided at opposite ends of the holder installation base relative to the rotation point of the electrode installation base.   A linear motion of the drive mechanism is driven by the power unit, and the drive mechanism includes a runner unit, and a holder runner that slides while being aligned with the holder slide unit is provided on the runner unit. 3. The welding rod holder according to claim 2, wherein an electrode runner that slides while being united is provided.   The holder slide unit or the electrode slide unit is provided with a rolling and sliding bearing along the holder runner or the electrode runner while moving in accordance with the holder runner or the electrode runner, and the electrode holder is driven by the runner unit. 4. The welding rod holder according to claim 3, wherein the welding rod holder is opened after being relatively closed.   The holder installation base is provided relative to the electrode installation base, and the runner unit includes a holder drive unit and an electrode drive unit provided relatively, the holder runner is provided in the holder drive unit, and the electrode runner is driven by the electrode 4. The welding rod holder according to claim 3, wherein the welding rod holder is provided at a portion.   The electrode runner is a one-shaped runner, the holder runner is a Γ-type runner, and is formed by bending and extending the drive unit installed in a shape almost parallel to the electrode runner. A relaxation part is included, wherein the relaxation part is provided at one end relatively close to the power unit, and a turning radius that is turned to a rotation point of the holder installation base is smaller than a rotation radius of the first electrode installation base. The welding rod holder according to claim 3.   The electrode slide unit is installed vertically or nearly perpendicularly along the movement trajectory of the electrode runner and the movement trajectory of the runner unit, and the holder slide unit is parallel or parallel along the movement trajectory of the relaxation part and the movement trajectory of the runner unit. 7. The welding rod holder according to claim 6, wherein the welding rod holder is installed in a close form, and the holder slide unit is installed in a form close to a perpendicular to the movement locus of the runner unit along the movement locus of the drive unit.   The holder installation base or electrode installation base is installed on the cane unit, the rotation point is installed at the corner of the cane unit, and the holder and holder slide unit, or the first electrode and electrode slide unit are installed on both ends of the cane unit. 8. The welding rod holder according to claim 2, wherein the welding rod holder is characterized in that:   8. The welding rod according to claim 2, wherein the drive mechanism includes a second electrode installation base for installing the second electrode, and the rotation lever is installed on the second electrode installation base. holder.   The second electrode is installed on the second electrode installation table by installing the second electrode connection table, and the second electrode installation table is connected to the second electrode connection table in a cane-like installation. 10. The welding rod holder according to claim 9, comprising a portion.   Insulation provided between the first electrode and the first electrode mounting base, a stereotaxic block that is installed in correspondence with the holder and fixes the parts waiting to be processed together with the holder, a stereotaxic block mounting base on which the stereotactic block is installed 8. The welding rod holder according to claim 2, further comprising a plate and a signal switch that senses a movement locus and position of the drive mechanism.   The drive mechanism is connected to the first side plate and the second side plate corresponding to the first side plate and the second side plate, which are provided on opposite sides of the runner unit and are movably connected to the runner unit. A first accessory installation case, a second accessory installation case, and a guide groove provided on the first side plate or the second side plate for guiding the movement of the runner unit, the first side plate and the second side plate; 8. The welding rod holder according to claim 3, wherein a movement space of the runner unit is formed between the welding rod holders.   The holder includes a holder main body, a position adjustment unit connected to the holder main body and adjusting the working position of the holder relative to the holder main body, and a position adjustment unit provided in the holder installation base. 8. The welding rod holder according to claim 1, further comprising a tightening force adjusting unit that adjusts a tightening force of the holder body.   The holder main body includes a holder portion and an adjustment portion that extends from the holder portion and adjusts together with the position adjustment unit, and the position adjustment unit is screwed to the adjustment portion, and the A yama adjustment unit that adjusts a working position, wherein the tightening force adjustment unit is an elastic unit that is installed in the holder body and is accommodated in a holder installation base. The welding rod holder according to 13.   The second electrode includes an electrode base, an adjustment device that is screwed to the electrode base and adjusts the position of the electrode base, and an electrode nut that is screwed to the electrode base. 8. A welding rod holder according to claim 7.   The electrode nut includes a connecting portion having a Yama structure and a multi-sided structure working portion connected to the connecting portion, and the electrode nut and the adjusting device are provided at opposite ends of the installation base. 16. The welding rod holder according to claim 15, further comprising a connecting copper plate connected thereto.   The first electrode includes an electrode arm that is connected to the electrode mounting base, a handle that is connected to the electrode arm, and an electrode cover that is connected to the handle, and the structural connection is adjusted with a taper between the electrode cover and the handle. 8. The welding rod holder according to claim 1, wherein

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