KR20190013261A - Automatic welding machine exclusive used to the top plate of the gas burner installation base - Google Patents

Abstract

According to the present invention, disclosed is an automatic welder for a top plate of a gas burner installation base, wherein edge portions of frames, coming in contact with each other, are connected to each other by being automatically welded with a projection welder while the frames are arranged and fixed when stereoscopic frames including a horizontal surface and a vertical surface are assembled to constitute a square top plate. Therefore, convenience in assembly of the top plate is increased while errors in connection between the frames due to assembly deviation are prevented in case of automatic welding, and inconvenience in work of a polishing process after the welding can be improved.

Description

[0001] The present invention relates to an automatic welding machine for use in a gas burner installation stand,

The present invention relates to a welding apparatus, and more particularly, to a welding apparatus for welding a gas burner mounting base of a gas burner mounting base, which is capable of automatically fixing each corner of a top plate by a projection welder, To a welder.

In general, in a kitchen such as various restaurants, a mounting stand on which a plurality of gas burners are installed is used so that a plurality of dishes can be simultaneously processed at one time. Most of such mounting stands are made of stainless steel .

In other words, a mounting table provided with a plurality of gas burners constitutes a main body including a top plate by assembling or welding a frame, and the main body constitutes a pedestal for supporting a plurality of gas burners, and on the front side of the main body, And a valve for controlling the gas supply to the gas supply passage is installed. Such a mounting block is disclosed in Published Japanese Utility Model Publication No. 20-2011-0008921 (Published on September 20, 2011), Published Utility Model No. 20-2011-008919 20).

However, since the upper plate included in the body of the conventional gas burner mounting base is a rectangular structure, the abutting portions are connected and fixed by manual welding in a state in which the horizontal and vertical frames are in contact with each other. There was an inconvenience that must pass.

That is, the frame constituting the upper plate is a three-dimensional structure having a horizontal plane and a vertical plane, and when the worker fixes and connects the corners of the corners to each other by welding, , And after the welding, the polishing process for the welded portion must be performed.

Conventionally, when welding and fixing the frames constituting the upper plate, since the operator performs the welding work while the edge portions are in contact with each other, the corner portions that are in contact with each other can not be properly aligned and deviations may occur. There is a problem that the frame connection state is poor.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a method of manufacturing a rectangular top plate by assembling stereoscopic frames including a horizontal plane and a vertical plane, And an object of the present invention is to provide an automatic welding machine for a top plate of a gas burner installation stand capable of being connected and fixed.

Another object of the present invention is to prevent welding failure due to assembly errors during welding by automatically aligning the edges of the frames with the automatic welding machine so that movement of the frames does not occur during automatic welding.

To achieve the above object, an automatic welding machine for a top plate of a gas burner mounting base of the present invention comprises: a main body; A seating part which is formed on an upper surface of the main body and guides the rectangular upper plate to be seated by the fastening member; A fixing part formed on an upper surface of the body and linearly moving and pressingly fixing the upper plate so that the upper plate does not flow when the upper plate is in a state of being assembled to the seating part when the air pressure is supplied from the air pressure supply part; A plurality of welding portions formed at one end of the main body and connecting projection side surfaces and side surfaces of the upper plate, which are in the assembled state, fixed to the fixing portion in accordance with a power source applied while moving back and forth and up and down; .

The seat portion may include a first guide frame having an L shape formed at a welding position on an upper surface of the main body; A pair of second guide frames extending in the longitudinal direction of the main body at both ends of the first guide frame and having an L shape; A welding guide block formed in the gap between the first and second guide frames to guide a welding position of the welding portion; As shown in FIG.

The fixing unit may include first, second, and third operation switches for turning on / off the pneumatic supply of the pneumatic supply unit; A pair of first and second frames that linearly move along a first path formed on an upper surface of the upper plate to supply a pneumatic pressure from on switching of the first operation switch, A first fixing jig; When the air pressure is supplied from the on-switching of the first operation switch, the first and second fixing jigs are linearly moved along a second path formed on the upper surface of the upper plate to press one end of the third and fourth frames, A pair of second fixing jigs for fixing the first fixing jigs; A third fixing jig that linearly moves along a third path formed on the upper surface of the upper plate when the air pressure is supplied from the on switching of the second operation switch and presses and fixes the other end of the third frame forming the long axis of the upper plate; And a fourth fixing jig that linearly moves along a fourth path formed on the upper surface of the upper plate when the air pressure is supplied from the on switching of the third operation switch to press and fix the other end of the fourth frame forming the long axis of the upper plate. .

The welding portion may include: a first body; A second body disposed on a front side of the first body; A first actuating part formed on the first body and connected to the second body and linearly moving the second body in a forward and backward direction by pneumatic pressure supplied from the pneumatic supply part; A second actuating part formed on one surface of the second body and linearly moving in a vertical direction by a pneumatic pressure supplied from a pneumatic supply part; And a projection welding unit coupled to the second actuating unit and sequentially heating a side surface and a side surface of the upper plate in a vapor-deposition state in accordance with a power applied while moving linearly in the forward and backward directions and the vertical direction by the first and second actuating units A welding block for connecting the welding blocks to each other; As shown in FIG.

The upper plate includes first and second frames of the short axis and the third and fourth frames. The first and second frames are formed on both ends of one side of the first and second frames, respectively, The first and second frames are formed on both sides of one side of the third and fourth frames with a first shaft hole formed in the first hole and overlapped with one side of the first and second frames, A first welded joint piece and a side second welded joint piece are formed on opposite ends of the first and second frames, respectively, the first welded joint piece and the second welded joint piece being superimposed on opposite ends of the first and second frames, respectively, A plurality of joining projections are formed to protrude to enable joining through projection welding with two frames.

As described above, according to the present invention, when three-dimensional frames including a horizontal plane and a vertical plane are assembled to form a rectangular top plate, the edges of the frames are automatically connected and fixed by using a projection welding machine, Accordingly, it is possible to improve the assembling convenience of the upper plate while improving the assembling condition of the frames due to the assembly deviation during the automatic welding work, and to improve the inconvenience of the work due to the polishing process after welding.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view showing an automatic welding machine according to an embodiment of the present invention.
2 is a schematic plan view showing the structure of an automatic welder according to an embodiment of the present invention.
FIG. 3 is a schematic plan view showing a state in which an upper plate is fixed to an automatic welding machine using a fixing part according to an embodiment of the present invention. FIG.
4 is a side schematic view showing a state in which an upper plate is assembled and welded by an automatic welding machine according to an embodiment of the present invention.
FIG. 5 is a schematic plan view showing an exploded state of a top plate according to an embodiment of the present invention. FIG.
FIG. 6 is an enlarged view showing a welded state of an upper surface side edge portion of an upper plate with an automatic welding machine according to an embodiment of the present invention. FIG.
FIG. 7 is an enlarged view showing an edge welded side portion of an upper plate welded by an automatic welding machine according to an embodiment of the present invention. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. However, it should be understood that the present invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It will be understood by those of ordinary skill in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification.

In this specification, the terms "comprises" or "having ", and the like, specify that the presence of stated features, integers, steps, operations, elements, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

In addition, the embodiments described herein will be described with reference to cross-sectional views and / or plan views, which are ideal illustrations of the present invention. Accordingly, the embodiments of the present invention are not limited to the specific forms shown but also include changes in necessary forms. For example, the area shown at right angles may be rounded or may have a shape with a certain curvature. Thus, the regions illustrated in the figures have schematic attributes, and the shapes of the regions illustrated in the figures are intended to illustrate specific forms of regions of the apparatus and are not intended to limit the scope of the invention.

Like reference numerals refer to like elements throughout the specification. Accordingly, although the same reference numerals or similar reference numerals are not mentioned or described in the drawings, they may be described with reference to other drawings. Further, even if the reference numerals are not shown, they can be described with reference to other drawings.

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

FIG. 1 is a perspective view showing an automatic welding machine according to an embodiment of the present invention. FIG. 2 is a schematic plan view showing a structure of an automatic welding machine according to an embodiment of the present invention. FIG. 4 is a side schematic view showing a state in which an upper plate is assembled and welded by an automatic welding machine according to an embodiment of the present invention. FIG.

1 to 4, an automatic welding machine for a top plate of a gas burner mount according to an embodiment of the present invention includes a main body 10, a seating portion 20, a fixing portion 30, 40).

The seating part 20 is formed on the upper surface of the main body 10 and guides the rectangular upper plate 100 which is in a state of being assembled by the fastening member 200 to be seated. 21) 22, and a welding guide block 23.

The first guide frame 21 is an L-shaped structure formed at a welding position on the upper surface of the main body 10, and the second guide frame 22 is formed in an L- Shaped structure extending in the longitudinal direction of the main body 10.

The welding guide block 23 is formed in a gap where the first and second guide frames 21 and 22 are adjacent to each other and the welding portion 40 descends to perform a welding operation on the upper plate 100 The welding position of the welding portion 40 is guided prior to the welding.

That is, the welding guide block 23 is a metal material, and the welding block 45 of the welding portion 40 is contacted after the welding portion 40 descends.

The fixing part 30 is formed on the upper surface of the main body 10 and when the pneumatic pressure is supplied from the pneumatic supply part 300 when the upper plate 100 in a state of being assembled to the seating part 20 is seated, The first, second, and third operation switches 31, 32, 33, and the first, second, third, and fourth fixing jigs 34 , 35, 36, 37).

The first, second, and third operation switches 31, 32, 33 are respectively formed on the upper surface of the main body 10 as switches for turning on / off the pneumatic supply of the air supply unit 300.

The first fixing jig 34 is a pair of structures and is formed as a pair of structures in which a straight line is formed along a first path D1 formed on the upper surface of the upper plate 10 when air pressure is supplied from the on- And the first frame P1 or the second frame P2, which is the short axis of the upper plate 100, is selectively pressed and fixed.

The second fixing jig 35 is a pair of structures and is formed on the upper surface of the upper plate 10 simultaneously with the first fixing jig 34 when air pressure is supplied from the on- And one end of the third and fourth frames P3 and P4, which are the long axes of the upper plate 100, are linearly moved along the second path D2.

The third fixing jig 36 linearly moves along the third path D3 formed on the upper surface of the upper plate 10 when the air pressure is supplied from the on switching of the second operation switch 32, And the other end of the third frame P3, which is the major axis of the second frame P3, is pressed and fixed.

The fourth fixing jig 37 linearly moves along the fourth path D4 formed on the upper surface of the upper plate 10 when the air pressure is supplied from the on switching of the third operation switch 33, And the other end of the fourth frame P4, which is the longest axis of the fourth frame P4, is pressed and fixed.

The welded portion 40 is formed at one end of the main body 10 and is formed in a corner side plane of the upper plate 100 in a state of being assembled in a state of being fixed to the fixed portion 30 according to a power applied while moving back and forth, T1 and the side face T2 by projection welding and includes first and second bodies 41 and 42, first and second actuating parts 43 and 44, and a welding block 45 will be.

The first actuating part 43 is a pneumatic cylinder connected to the second body 42 while being formed in the first body 41. The pneumatic pressure supplied from the pneumatic supplying part 300 allows the second body 42, 42 are linearly moved in the front-rear direction.

The second actuating part 44 is a pneumatic cylinder formed on one side of the second body 42 and is configured to move linearly in the up and down direction by the air pressure supplied from the pneumatic supply part 300.

The welding block 45 is coupled to the second actuating part 44 and moves linearly in the forward and backward directions and the vertical direction by the first and second actuating parts 43 and 44, (T1) and the side surface (T2) of the upper plate (100) in a state of being in a state of being welded.

That is, the welding block 45 is heated in accordance with a power source applied in a state of being in contact with the corner side plane T1 and the side face T2 of the upper plate 100 in order, (T1) and the side surface (T2).

The operation of the first and second actuating parts 43 and 44 and the welding block 45 can be manually controlled through an operation part (not shown) provided on one side of the main body 10, So that the operation can be performed automatically.

5, the first and second frames P1 and P2 and the third and fourth frames P3 and P4 of the major axis are coupled to each other, A first hole 101 is formed on both ends of one frame of the two frames P1 and P2 for the purpose of assemble by the fastening member 200 and both ends of one side of the third frame P3 and the frame P4 The first fixed shaft hole 102a is formed on the first and second frames P1 and P2 while the first fixed shaft hole 102a is formed in the first long hole 101,

That is, the first and second frames P1 and P2 and the third and fourth frames P3 and P4 of the long axis forming the upper plate 100 are connected to the first and second shaft holes 101 and 102, And the first and second frames P1 and P2 and the third and fourth frames P3 and P4 are brought into contact with each other on the corner sides of the first and second frames P3 and P4, After the welding of the flat portion T1 and the side portion T2 is completed, the assembling operation of the fastening member 200 is completed.

The welding of the upper plate 100 through the fastening member 200 is performed in order to fix the upper plate 100 in the welding machine through the fixing portion 30 and set its position. So that tightening work can be performed.

On both sides of the other surfaces of the third and fourth frames P3 and P4, a first welded joint piece 103 and a second welded joint piece 103 overlap each other on opposite sides of the first and second frames P1 and P2, 2 welded joint pieces 104 are formed on the first and second frames P1 and P2 and the first and second welded joint pieces 103 and 104 are welded to the first and second frames P1 and P2, The protrusions 105 are protruded.

That is, when the welded block 45 of the welded portion 40 is sequentially brought into contact with the corner side planar portion T1 and the side surface portion T2 of the upper plate 100, the joining protrusion 105 is heated, The first welded joint piece 103 and the second welded joint piece 104 on the planar surface are the edge side planar portion T1 and the side surface portion T2 of the joint protrusion 105, The first and second frames P1 and P2 can be jointed and fixed at opposite ends thereof.

1 to 7, the automatic welding machine according to the embodiment of the present invention firstly includes the first and second frames P1 and P2 of the short axis constituting the upper plate 100 and the third and fourth frames P1 and P2 of the long axis, The tongue extension pieces 102 formed on both sides of one surface of the third and fourth frames P3 and P4 are inserted into the first and second frames P1 and P2, respectively, after the corner portions of the frames P3 and P4 are brought into contact with each other. P2).

The first shaft hole 102a formed in the temporary fixed elongated piece 102 is located in the first long hole 101 formed at one end of one side of the first and second frames P1 and P2, The fastening member 200 is first fastened to the single shaft hole 102a and the first hole 101. [

At this time, when the first and second frames P1 and P2 of the short axis of the upper plate 100 and the edge sides of the third and fourth frames P3 and P4 of the long axis are not in contact with each other, The first and second frames P1 and P2 and the edges of the third and fourth frames P3 and P4 of the long axis, which form the upper plate 100, The first and second frames P1 and P2 and the third and fourth frames P3 and P4 of the long axis, which form the upper plate 100, are tightened when the fastening member 200 is tightened, It is possible to maintain the assembled state.

Next, the upper plate 100, which is in a state of being assembled as described above, is seated on the seating portion 20 formed on the upper surface of the automatic welder main body 10.

Next, when the first operation switch 31 is turned on, the pneumatic pressure is supplied from the on-switching of the first operation switch 31, and the first fixed jig 34 and the second fixed jig 34, The two fixing jigs 35 linearly move along the first and second paths D1 and D2 while the first fixing jig 34 is moved in the first frame P1 or the second frame P2 And the second fixing jig 35 presses and fixes one end of the third and fourth frames P3 and P4 having the long axis.

Next, when the second operation switch 32 is turned on, the air pressure supply is performed from the on-switching of the second operation switch 32, and the third fixing jig 36 from the air pressure supply is supplied to the third path D3. The other end of the third frame P3, which is the long axis, is pressed and fixed.

Next, when the third operation switch 33 is turned on, pneumatic supply is performed from the on-switching of the third operation switch 33, and the fourth fixing jig 37 from the pneumatic supply passes through the fourth path D4, The first frame P3 and the second frame P1 constitute the upper plate 100 on the upper surface of the main body 10 by pressing and fixing the other end of the fourth frame P3, The third and fourth frames P3 and P4 can be held firmly fixed so as not to flow.

Next, the second actuating part 44 as well as the first actuating part 43 included in the welding part 40 are sequentially operated so that the welding block 45 included in the welding part 40 is moved forward and downward And the welding block 45 is brought into contact with the first welding guide block 23 when power is applied to the welding block 45. [

That is, the welding guide block 23 is a metal material. After the welding block 45 descends, the welding guide block 23 contacts the welding guide block 23 to verify whether the welding position is correct. As a result of the verification, The welding block 45 is repeatedly moved forward and backward and up and down again by the first and second actuating parts 43 and 44 so that the first and second actuating parts 43 and 44 are fixed to the fixing part 30, Side surface T1 and the side surface T2 that are in contact with each other as the edge sides of the frames P1 and P2 and the third and fourth frames P3 and P4, And the region T2 are sequentially welded and joined together.

The first and second frames P1 and P2 and the third and fourth frames P3 and P4 which are in a state of being assembled by the fastening member 200 are formed on the flat portion T1 and the side portion T2, The operator can complete the assembling from the joining of the welds. At this time, the operator can completely tighten the fastening member 200 and thereby the first and second frames P1 and P2 of the short axis and the third and fourth frames P3 and P4 of the long axis, P4 are completed for the upper plate 100. [0051] As shown in FIG.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that such changes and modifications are within the scope of the claims.

10; A body 20; Seat portion
21; A first guide frame 22; The second guide frame
23; A welding guide block 30; [0035]
31; A first operation switch 32; The second operation switch
33; A third operation switch 34; The first fixing jig
35; A second fixing jig 36; The third fixing jig
37; A fourth fixing jig 40; Weld
41; A first body 42; The second body
43; A first operating portion 44; The second operating portion
45; Welding block 100; Top plate
101; CHAPTER 1 HALL 102; Extended runner
102a; A first shaft hole 103; The first welded joint piece
104; A second welded joint piece 105; Joining projection
P1, P2, P3, P4; Frame 200; The fastening member
300; Pneumatic supply

Claims (6)

main body;
A seating part which is formed on an upper surface of the main body and guides the rectangular upper plate to be seated by the fastening member;
A fixing part formed on an upper surface of the body and linearly moving and pressingly fixing the upper plate so that the upper plate does not flow when the upper plate is in a state of being assembled to the seating part when the air pressure is supplied from the air pressure supply part; And
A plurality of welding portions formed at one end of the main body and connecting projection side surfaces and side surfaces of the upper plate, which are in the assembled state, fixed to the fixing portion in accordance with a power source applied while moving back and forth and up and down; And an automatic welder for the upper plate of the gas burner mounting table. The method according to claim 1,
The seat (1)
A first guide frame having an L shape formed at a welding position on an upper surface of the main body;
A pair of second guide frames extending in the longitudinal direction of the main body at both ends of the first guide frame and having an L shape; And
A welding guide block formed in a gap adjacent to the first and second guide frames and guiding a welding position of the welding portion; And an automatic welder for the upper plate of the gas burner mounting table. The method according to claim 1,
The fixing unit includes:
First, second and third operation switches for turning on / off the pneumatic supply of the pneumatic supply portion;
A pair of first and second frames that linearly move along a first path formed on an upper surface of the upper plate to supply a pneumatic pressure from on switching of the first operation switch, A first fixing jig;
When the air pressure is supplied from the on-switching of the first operation switch, the first and second fixing jigs are linearly moved along a second path formed on the upper surface of the upper plate to press one end of the third and fourth frames, A pair of second fixing jigs for fixing the first fixing jigs;
A third fixing jig that linearly moves along a third path formed on the upper surface of the upper plate when the air pressure is supplied from the on switching of the second operation switch and presses and fixes the other end of the third frame forming the long axis of the upper plate; And
A fourth fixing jig that linearly moves along a fourth path formed on the upper surface of the upper plate when the air pressure is supplied from the on switching of the third operation switch to press and fix the other end of the fourth frame forming the long axis of the upper plate; And an automatic welder for the upper plate of the gas burner mounting table. The method according to claim 1,
The welding portion
A first body;
A second body disposed on a front side of the first body;
A first actuating part formed on the first body and connected to the second body and linearly moving the second body in a forward and backward direction by pneumatic pressure supplied from the pneumatic supply part;
A second actuating part formed on one surface of the second body and linearly moving in a vertical direction by a pneumatic pressure supplied from a pneumatic supply part;
And a projection welding unit coupled to the second actuating unit and sequentially heating a side surface and a side surface of the upper plate in a vapor-deposition state in accordance with a power applied while moving linearly in the forward and backward directions and the vertical direction by the first and second actuating units A welding block for connecting the welding blocks to each other; And an automatic welder for the upper plate of the gas burner mounting table. The upper and lower frames of the short axis and the third and fourth frames of the long axis are coupled to each other,
Wherein the first and second frames and the third and fourth frames are first coupled by the fastening member, the corner side plane portions and the side surface portions of the first and second frames and the third and fourth frames are the same as in Claim 1 Wherein the second welding is performed by an automatic welding machine as set forth in any one of claims 1 to 4. 6. The method of claim 5,
The first and second frames may have first and second holes formed on opposite sides of the first and second frames, respectively,
The first and second frames are formed on both sides of one side of the third and fourth frames with a first shaft hole formed in the first hole and overlapped with one side of the first and second frames,
A first welded joint piece and a second side welded joint piece are formed on opposite ends of the other surfaces of the third and fourth frames, respectively,
Wherein the first and second welded joint pieces are formed with a plurality of joint projections protruding from the first and second welded joint pieces so as to allow joining through projection welding with the first and second frames, respectively.

Images