JP5349408B2 - Welding machine cylinder mount - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable to surely hold a pedestal in a folded state by a simple operation without using a fixture such as a bolt/nut and a catch clip. <P>SOLUTION: A cylinder rack is constituted of a rack bracket 11 fitted on the side face of a housing of a welding machine, and the pedestal 12 fitted on the rack bracket 11 in an upward foldable state. The rack bracket 11 is equipped with a plate-like pedestal supporting part 13 vertical to the side face of the housing and the installation face of the welding machine. The pedestal 12 is equipped with a guide pin 16 stood on the side face of a base part and a fixing pin 17 stood on the side face near the tip from the guide pin 16. On the rack bracket 11, a V-shaped guide groove 14 for causing the guide pin 16 to penetrate therethrough for guiding is formed in the longitudinal direction, and a fixed groove 15 opening on the upper end edge part and receiving the fixed pin 17 to be engaged therewith, is provided. <P>COPYRIGHT: (C)2012,JPO&amp;INPIT

Description

  The present invention relates to a cylinder base for a welding machine for mounting and fixing a cylinder for supplying a shield gas in an engine-driven welding machine that performs shield welding.

  In a welding machine that performs shield welding, for example, as shown in Patent Document 1, a cylinder base is provided in a casing of a welding machine, and a cylinder filled with a shielding gas such as carbon dioxide gas or argon gas is placed on and fixed to the cylinder. The welding work is performed while supplying the shielding gas from the cylinder.

  As described above, when the cylinder base is provided in the casing of the welding machine, the cylinder base becomes an obstacle when the cylinder is not loaded on the welding machine, for example, when the welding machine is stored in a storage place or transported. Therefore, as shown in FIG. 4, the cylinder base 1 is composed of the base bracket 4 and the base 5, the base bracket 4 is attached to the side surface of the welding machine housing 2, and the base 5 can be folded upward by the support shaft 6. It is attached in a proper state.

  In such a cylinder base, when the welding machine is used, as shown in FIG. 4 (A), the pedestal 5 of the cylinder base 1 is lowered in the horizontal direction, the cylinder 3 is placed thereon, and the cylinder 3 falls down. The intermediate part of the cylinder 3 is held by the chain 7 or the like so as not to be present. On the other hand, when the cylinder 3 is not loaded on the welding machine, such as when the welding machine is stored in a storage place or transported, the pedestal 5 is kept down so that it becomes an obstacle, as shown in FIG. The base 5 is folded upward.

  When the pedestal 5 is folded upward, conventionally, the folded pedestal 5 is fixed with bolts and nuts so that the pedestal 5 does not open downward even if vibrations or the like are applied. In addition, since it takes time and labor to tighten the bolts and nuts one by one, there is a type using a catch clip that completes the fixing operation by simply hooking the U-shaped latch on the hook-shaped catch and tilting the operation lever.

Japanese Utility Model Publication No. 40-32437

   However, in the cylinder base in which the folded base 5 is fixed with bolts and nuts, as described above, it takes time to tighten the bolts and nuts one by one. In addition, in the cylinder base fixed with the catch clip, the operation of the catch clip itself can be performed with one touch, but the catch clip has to be aligned with the catch to be hooked, and the base 5 is folded. However, there is a problem in that it is necessary to attach each part accurately so that the positions of the latch and the catch are always aligned. Further, the catch clip has a problem that it is easily disengaged by impact or vibration if it is simple.

   In view of such problems, the present invention provides a pedestal bracket that is foldable in a pedestal, with a simple structure, and by using a simple operation without using a fixture such as a bolt, nut, or catch clip. It is intended to ensure that the folded state can be maintained.

     In order to solve the above-mentioned problem, the invention according to claim 1 of the present application includes a pedestal bracket attached to a side surface of a casing of a welding machine and a pedestal attached to the pedestal bracket in a state of being foldable upward. A cylinder rack of a welding machine for mounting a cylinder for shielding gas, wherein the rack bracket includes a plate-like pedestal support portion perpendicular to the housing side surface and the welding machine installation surface, The pedestal includes a guide pin erected on the side surface of the base and a fixed pin erected on the side surface closer to the tip than the guide pin, and the guide pin of the pedestal is inserted through the center of the surface of the pedestal support portion. A guide groove is formed in the vertical direction, and a fixing groove is provided at an upper end of the pedestal support portion so as to open to an edge portion and to receive and engage the fixing pin.

   The invention according to claim 2 of the present application is characterized in that, in the invention according to claim 1, the guide groove has a square shape in which a lower part extends in a vertical direction and an upper part is bent forward. To do.

   Further, in the invention according to claim 3 of the present application, in the invention according to claim 2, the upper outer edge of the pedestal support portion has an arc shape, and when the pedestal is opened and closed up and down, the fixing pin is pedestal. It is characterized by moving along the upper outer edge of the support portion.

   The invention according to claim 4 of the present application is characterized in that, in the invention according to claim 1, 2, or 3, a rubber plate is provided at the tip of the base so as to protrude to the side facing the side surface of the housing. And

The present invention has the following effects.
That is, in the invention according to claim 1, a guide pin is erected on the base side surface of the pedestal, a fixing pin is erected on the side surface closer to the tip than the guide pin, and the pedestal support portion of the gantry bracket is provided with the pedestal of the pedestal. A guide groove for guiding and guiding the guide pin is formed in the vertical direction, and a fixing groove is provided at the upper end of the pedestal support portion so as to open at the edge and to receive and engage the fixing pin. As a result, when the pedestal is folded and engaged, the folding and engagement are completed with an extremely simple operation of simply lifting the tip of the pedestal. In addition, after the pedestal is folded, the guide pin and the fixing pin are completely engaged with the guide groove and the fixing groove, respectively, so that the folded state is maintained even when subjected to a slight vibration.

  Moreover, in the invention concerning Claim 2, in the cylinder stand of the welding machine concerning Claim 1, since the said guide groove was made into the U shape, when opening and closing a base up and down, or opening the base downward Since the guide pin stops at the upper end of the guide groove, the opening / closing operation can be performed smoothly, and the pedestal can be stably maintained in the open state.

  Moreover, in the invention concerning Claim 3, in the cylinder stand of the welding machine concerning Claim 2, when the upper outer edge of the said base support part is circular arc shape, when opening and closing the said base up and down, Since the fixing pin moves along the upper outer edge of the pedestal support portion, the opening / closing operation can be performed more smoothly when the pedestal is opened and closed up and down.

  According to a fourth aspect of the present invention, in the cylinder rack of the welding machine according to the first, second, or third aspect, a rubber plate is provided at the tip of the pedestal so as to protrude to the side facing the casing side surface. Therefore, when the pedestal is folded up, it is possible to prevent the rubber plate from becoming a cushioning material and damage to the welder casing.

It is a figure which shows the use condition of the cylinder stand which concerns on one Example of this invention. It is a figure which shows the cylinder stand based on one Example of this invention. It is a figure which shows the folding operation | movement of a cylinder stand. It is a figure which shows the cylinder stand of the conventional welding machine.

    Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a diagram showing a use state of a cylinder rack according to an embodiment of the present invention. In FIG. 1, reference numerals 1 to 3 and 7 correspond to those in FIG. 4, 11 is a mounting bracket, and 12 is a pedestal. The cylinder gantry 1 includes a gantry bracket 11 and a pedestal 12, and the pedestal 12 is supported by the gantry bracket 11 attached to the side surface of the welding machine housing 2 in a state in which it can be folded upward.

  FIG. 2 shows the cylinder base 1 in a trigonometric manner, wherein 13 is a pedestal support portion, 14 is a guide groove provided in the pedestal support portion 13, 15 is also a fixed groove, and 16 is provided on the base side surface of the pedestal 12 A guide pin that slides in the guide groove 14, 17 is a fixing pin that engages with the fixing groove 15, 18 is a rotation stop for maintaining the pedestal 12 in a horizontal state when the pedestal 12 is opened downward, and 19 is a pedestal. A rubber plate for buffering to prevent the end of the pedestal 12 from damaging the welding machine housing 2 when the 12 is folded, 20 is a rubber plate presser, 21 is a reinforcing plate, 22 is a bottom plate, and 23 is water. It is a hole. The guide pin 16 and the fixed pin 17 are arranged on the periphery of the guide pin 16 and the fixed pin 17 so that sliding in the guide groove 14 and the fixed groove 15 and the outer edge of the base support portion 13 is smooth. A cylindrical collar that rotates freely is inserted.

  The gantry bracket 11 is formed in a U shape by bending both ends of an elongated metal plate forward at a right angle, and both ends bent at a right angle are pedestal support portions 13. And the back surface part of the gantry bracket 11 is fixed to the welding machine housing 2 with bolts, and the pedestal support portions 13 at both ends thereof are arranged perpendicular to the side surface of the welding machine housing 2 and the welding machine installation surface. The A guide groove 14 is formed at the center of the pedestal support portion 13 of the gantry bracket 11, and a fixing groove 15 that opens upward is provided at the upper edge portion.

  The guide groove 14 is formed in a square shape in which the lower portion extends downward and the upper portion is bent forward, that is, in a direction in which the pedestal 12 is tilted. The space between them is arcuate. The front edge of the fixed groove 15 has a shape corresponding to the shape of the guide groove 14.

  The pedestal 12 has a frame shape surrounding the bottom plate 22 so that the bottom of the cylinder 3 can be stably stored. A guide pin 16 is erected on the side of the base, and a front side of the guide pin 16 is provided. A fixing pin 17 is erected. Further, a rubber plate 19 is attached to the distal end portion by a rubber plate retainer 20 so that the distal end portion of the pedestal 12 does not directly contact the welding machine housing 2 when the pedestal 12 is folded.

  The guide pin 16 of the pedestal 12 is inserted into the guide groove 14 of the gantry bracket 11 to incorporate the pedestal 12 into the gantry bracket 11. At that time, the position of the fixing pin 17 is determined so that the fixing pin 17 of the base 12 contacts the outer edge of the base support portion 13 of the gantry bracket 11.

Next, the operation of the cylinder mount 1 will be described. FIG. 3 is a diagram illustrating a folding operation of the cylinder base. In FIG. 3, a thick solid line indicates a state where the pedestal 12 is opened downward and the cylinder 3 is placed, and a one-dot chain line at a position P indicates a state where the pedestal 12 is being raised, A two-dot chain line shows a state immediately before the pedestal 12 is further raised and the fixing pin 17 is engaged with the fixing groove 15, and a thin solid line at the position of R indicates that the pedestal 12 is fully raised and the fixing pin 17 is The state engaged with the fixed groove 15 is shown.

  In the state where the pedestal 12 is opened downward, the guide pin 16 of the pedestal 12 is at the upper end portion of the guide groove 14 of the gantry bracket 11, and the base is supported by the rotation stop 18 with the guide pin 16 as a fulcrum. The weight of the cylinder 3 placed on the base 12 is supported. At that time, the fixing pin 17 is at the tip of the gantry bracket 11. From this state, when the cylinder 3 is lowered from the pedestal 12 and the tip of the pedestal 12 is raised to fold the pedestal 12, the fixing pins 17 of the pedestal 12 support the pedestal formed in the arc shape of the gantry bracket 11. 3 moves along P and Q in FIG. 3 along the upper edge of the portion 13, while the position of the guide pin 16 in the guide groove 14 is held by the fixing pin 17.

    When the fixing pin 17 reaches the position of the fixing groove 15, the fixing pin 17 falls into the fixing groove 15, and the guide pin 16 falls into the lower end portion of the guide groove 14. R state. In this state, the pedestal 12 is held in that position by the guide pin 16 at the lower end of the guide groove 14 and the fixed pin 17 engaged with the fixed groove 15.

  Thus, the operation of folding and engaging the pedestal 12 is extremely simple because it only lifts the tip of the pedestal 12 upward. Further, after the pedestal 12 is folded, the guide pin 16 and the fixing pin 17 are completely engaged with the guide groove 14 and the fixing groove 15, respectively. Retained.

DESCRIPTION OF SYMBOLS 1 ... Cylinder base 2 ... Welding machine housing | casing 3 ... Cylinder 4,11 ... Base bracket 5,5 ... Base 6 ... Support shaft 7 ... Chain 13 ... Base support part 14 ... Guide groove 15 ... Fixed groove 16 ... Guide pin 17 ... Fixing pin 18 ... Rotation stop 19 ... Rubber plate

Claims (4)

A cylinder base of a welding machine for placing a shield gas cylinder, comprising a base bracket attached to a side surface of a casing of the welder and a base attached to the base bracket in a state of being foldable upward. There,
The gantry bracket includes a plate-like pedestal support that is perpendicular to the housing side surface and the welding machine installation surface,
The pedestal includes a guide pin erected on the base side surface, and a fixed pin erected on the side surface closer to the tip than the guide pin,
A guide groove that guides the guide pin of the pedestal through is formed in the center of the surface of the pedestal support portion in the vertical direction, and the upper end of the pedestal support portion opens at an edge, and the fixing pin is A cylinder base for a welding machine, wherein a fixing groove for receiving and engaging is provided.   2. The cylinder base for a welding machine according to claim 1, wherein the guide groove has a square shape in which a lower portion extends in a vertical direction and an upper portion is bent in a forward direction.   The upper outer edge of the pedestal support portion has an arc shape, and the fixing pin moves along the upper outer edge of the pedestal support portion when the pedestal is opened and closed up and down. The cylinder mount of the welding machine of 2.   4. The cylinder base for a welding machine according to claim 1, wherein a rubber plate is provided at the tip of the pedestal so as to protrude to a side facing the side surface of the casing.

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