KR19990003465U - Surface Automatic Growth Device of Cylindrical Member - Google Patents

Abstract

The present invention automatically grows when cylindrical members such as rolls and shafts, whose surfaces must be kept smooth, are worn and corroded to protect workers from the fumes generated during welding and to carry out the development work more quickly and precisely. The present invention relates to a device for automatically growing a surface of a cylindrical member, the support body (12) having a roller (16) and (18) to supply a wire (80) of a wire reel (82) to a welding torch (32). It has a welding portion to have a drive motor for driving the roller 16; A support body 40 equipped with the welding part, and the support body 40 includes a first position adjusting part having a driving wheel 46 and a driven wheel 48; In the support body 50 and the female screw hole 50 having a rail 52 for driving the wheels 46 and 48 of the first position adjusting part and having a female screw hole 54 penetrating up and down at one side thereof. A vertical support 64 having a mounted screw shaft 60 and a drive motor 66 for driving the screw shaft 60; and fixing the vertical support 64 and mounting a plurality of wheels 72; A horizontal moving body 70 having a female screw hole 71 in a direction, a screw shaft 77 coupled to the female screw hole 71, a drive motor 78 for driving the screw shaft 77, and the wheels; A second position adjusting unit comprising a moving cart 74 equipped with a rail 76 on which the 72 travels and having a plurality of wheels 79; And a control panel 90 connected to the drive motor to control the drive motor.

Description

Surface Automatic Growth Device of Cylindrical Member

The present invention relates to a device that fosters a surface by welding when cylindrical members such as rolls and shafts that are to be kept in a smooth state are worn and corroded, and more particularly, cylindrical members. The present invention relates to a device for automatically growing a surface of a cylindrical member, which is capable of protecting workers from fumes generated during welding and performing the growing work more quickly and precisely by growing them by automatically welding the growing part of the same.

In general, cylindrical members such as rolls and shafts have important functions of transporting, rolling, and transmitting power while rotating at high speeds. Will be.

Cylindrical members such as rolls and shafts are locally worn out due to friction and corrosion generated during their use, and typically the wear is filled by welding and reused through a growing process.

Conventionally, the growth operation for this is usually performed by manual welding after preheating to 250 ~ 300 ℃ according to the carbon equivalent converted according to the material of the roll and shaft.

However, in the case of manually welding and welding cylindrical members such as rolls and shafts, the worker is exposed to the welding part, and the risk of safety accidents such as burns is always on, and the work time is too long, resulting in a drop in productivity. In particular, it is impossible to prevent the worker from inhaling the fume generated during welding, and thus manganese (Mn), chromium (Cr), nickel (Ni), etc. of the fume components are introduced into the body through the worker's respiratory system. Problems such as become a factor causing various occupational diseases are generated.

The present invention has been devised to solve such a conventional problem, and its purpose is to automatically weld the wear part when cylindrical members such as rolls and shafts having a proper roughness of the surface are locally worn by corrosion or the like. By fostering by to reduce the working time, to improve the productivity and to prevent the damage of the operator by the fumes generated during welding by providing a surface automatic growth apparatus of the cylindrical member.

1 is an external perspective view showing a surface automatic growth apparatus of a cylindrical member according to the present invention

Figure 2 is an exploded perspective view showing a surface automatic growth apparatus of a cylindrical member according to the present invention

Figure 3 is a working state diagram for the development of the cylindrical member using the automatic surface growth apparatus of the cylindrical member according to the present invention.

Explanation of symbols on the main parts of the drawings

12: support body 14: drive shaft

16: wire feed roller 18: pressure roller

20: roller support 22, 24: pin

30: calibration roller 32: welding torch

40: support body 46: drive wheel

50: support body 52: rail

54: female thread hole 60: screw shaft

54: vertical support 66: drive motor

68: long hole 70: horizontal moving body

71: female thread hole 72: wheel

74: moving cart 76: rail

77: screw shaft 78: drive motor

79: wheel 80: wire

82: wire reel 90: control panel

110: cylindrical member 120: positioner

130: welding machine

As a technical configuration for achieving the above object, the present invention has a support body equipped with a wire feed roller and a pressure roller to supply a wire to be released from the wire reel to the welding torch connected to the welding machine on one side, the wire A welding part to have a driving motor for driving the feed roller; A first position adjusting unit having a supporting body mounted on one side of the welding unit, a lower portion of the supporting body having a driving wheel rotated by a driving motor, and a driven wheel configured to support the supporting body together with the driving wheel; The drive motor for driving the screw shaft is provided with a support body having a rail running in the front and rear direction of the wheel of the first position adjustment unit and a female screw hole penetrating up and down, and a screw shaft screwed into the female screw hole; A vertical support having a long hole for guiding the up and down movement of the support body, a horizontal movable body for fixing the vertical support in the upper center, mounting a plurality of wheels at the bottom, and forming a female screw hole in the left and right directions; A second screw comprising a screw shaft for screwing into the female screw hole, a driving motor for driving the screw shaft, mounting a rail on which the wheel travels in left and right directions, having a plurality of wheels at the bottom, and a handle having a handle at one side; Position adjusting unit; The control panel is connected to the drive motor to control the drive motor; and by providing an automatic surface growing apparatus of the cylindrical member, characterized in that it comprises a.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

Figure 1 is an external perspective view showing a surface automatic growth apparatus of the cylindrical member according to the present invention, Figure 2 is a front schematic view, the apparatus of the present invention is a welded portion for fostering the wear of the cylindrical member such as rolls and shafts by welding And a first position adjusting unit for moving the welding unit in the front and rear directions on the drawing, and a second position adjusting unit for adjusting the position of the welding unit and the first position adjusting unit in the left, right, and up and down directions on the drawing.

The welding part has a drive motor not shown in the support body 12 which is erected vertically, and a wire feed roller 16 is mounted on the drive shaft 14 extending from the drive motor, and the wire feed roller 16 Pairs with a detachable pressure roller 18 rotatably mounted via a pin 22 at the center of the roller support 20 so that the welding wire 80 is sandwiched therebetween. When the wire feed roller 16 is rotated and driven by an appropriate force by the wire feed roller 16 and the pressure roller 18, the wire 80 moves and at the same time, the pressure roller 18 moves with the wire 80. The frictional force is rotated.

One end of the roller support 20 is rotatably mounted to the support body 12 via a pin 24, and the other end forms a through hole 21 up and down, and the through hole 21. The pressure adjustment lever 26 is a screw thread formed in the longitudinal direction is fitted, the lower end of the pressure adjustment lever 26 is mounted to the support body 12 via a pin 28 so as to be rotatable, the pressure lever When the adjusting nut 29 is rotated by adjusting the nut 29 by screwing the upper side of the 26, the roller support 20 rotates about the pin 24 while feeding the pressure roller 18 to the wire feed roller. By moving to the (16) side it is possible to adjust the degree of force for pressing the wire 80.

In addition, the support body 12 is provided with a plurality of correction rollers 30 (here three), the upper and lower ends of each of the upper and lower ends of the conveying path of the wire 80, respectively slightly from the conveying path of the wire 80 By overlapping, the wire 80 passing through the portion can be corrected, and the welding torch 32 is mounted on the protrusion 32 formed at one end of the support body 12 to protrude. The wire reel 82, which is wound around the wire 80 at a predetermined length, is rotatably mounted on the upper side so that the wire 80 released therefrom is pressurized with the wire feed roller 16 while being calibrated through the calibration roller 30. The roller 18 can be continuously supplied to the welding torch 32.

Of course, the welding torch 32 and the driving motor (not shown) for driving the driving shaft 14 are electrically connected to the control panel 90 via a wire.

The first position adjusting unit has a bogie-type support body 40 to mount the support body 12 on one side, the support body 40 is provided with a drive motor not shown, the drive motor The rotating shaft 42 is connected to the rotation shaft 42 is mounted to the bracket 44 formed on one side lower portion of the support body 40, the driving wheel 46 is mounted on both ends of the rotating shaft 42. Of course, by mounting the driven wheel 48 on the other side lower portion of the support body 40 so that the support body 40 can be moved smoothly.

The second position adjusting part has a support body 50 having a rail 52 on which the driving body and driven wheels 46 and 48 of the support body 40 are placed, and the support body 50 of the support body 50. A female screw hole 54 penetrating up and down is formed at one end, and a screw shaft 60 having a straight length is mounted to the female screw hole 54 by screwing, and the upper and lower ends of the screw shaft 60 are mounted. Each is rotatably mounted to the vertical support 64 via the bearing member 62.

The upper end of the screw shaft 60 extends to protrude more than the position of the upper end of the vertical support 64 so that the extension is connected to the drive motor 66 mounted on the vertical support 64 when the drive motor 66 rotates. While the screw shaft 60 rotates, the support body 50 fastened thereto may be moved up and down, and the vertical support 64 may be moved up and down without rotating the support body 50. A long hole 68 is formed that provides a path.

The lower end of the vertical support 64 is fixed to the upper surface side of the horizontal movable body 70 in the shape of a plate, the lower surface of the horizontal movable body 70 is a plurality (in this case, as is commonly used in consideration of balance) Four wheels 72 corresponding to the four corners are mounted, and the wheels 72 are movable on the left and right rails 76 installed on the upper surface of the moving cart 74. The horizontal movable member 70 is provided on the lower side of the female screw hole 71 that is screwed into the screw shaft 77, both ends of which are rotatably mounted on the moving cart 74 via the bearing member 75. When the driving motor 78 is driven, the screw shaft 77 is connected to the driving motor 78 so that the screw shaft 77 connected thereto rotates and thus the horizontal moving body 70 connected to the screw shaft 77. Can move in the left and right directions on the drawing, the moving cart 74 is usually In the same manner as that used gatchumyeo a plurality of wheels (79) at the lower side, equipped to handle (74a) that has one end to facilitate the movement of the moving truck (74).

Of course, the electric motor is electrically connected to the control panel 90 so that its driving can be controlled when necessary.

It describes the operation of the present invention made of the above configuration.

Figure 3 is to weld and foster cylindrical members 110, such as rolls and shafts by means of the device of the present invention, the one end is fixed to the cylindrical member 110 side is fixed to the positioner 120 which is an automatic rotating device to be rotatable The handle 74a is used to move the device.

After the device is moved to an appropriate position, the control panel 90 is operated to position the welding torch 32 on the outer surface side welding portion of the cylindrical member 110. It is made by the drive, the up and down direction is made by the drive of the drive motor 66, the front and rear direction is made by a drive motor not shown mounted on the support body 12.

This initial position is the initial welding starting point, the preparation step for starting the welding is completed, and if the welding machine 130 is operated continuously, the current of the negative pole (-) flows in the welding torch 32 and at the same time the wire feed roller The wire 80 is continuously supplied from the wire reel 82 by rotating the 16, and at this time, the current of the cathode 1 flows through the welding torch 32.

At the same time, the current of the anode (+) flows in the cylindrical member 110 such as a roll and a shaft.

Therefore, when the wire 80 passing through the welding torch 30 comes into contact with the cylindrical member 110 such as a roll and a shaft, arc is generated at that moment and welding starts.

When welding is started, the positioner 120 is switched on to rotate the cylindrical member 110 at an appropriate speed to perform continuous welding, and the moving unit is controlled according to the moving distance previously input to the control panel 90 and the driving motor is Operated to rotate the wheel of the moving part to move the moving part, while the first position adjusting part connected to the moving part is automatically fostered welding proceeds, the welding torch 32 of the first position adjusting part is the end of the growing part When the point is reached, the control panel is automatically controlled so that the supply of the wire 80 is interrupted, the arc is cut off, and the moving part is also automatically stopped, and the welding welding is completed.

When the growth of the cylindrical member is completed as described above, when the switch of the welding machine 130 is cut off and the reset switch of the control panel 90 is pressed, the adjusting motor of the second position adjusting unit is operated to operate the respective screw shafts ( 60 and 77 are rotated and the screw shafts 60 and 77 return the second position adjusting portion to the original position.

According to the automatic surface growing apparatus of the cylindrical member according to the present invention as described above, by raising the cylindrical member such as rolls and shafts by welding automatically, the development quality is improved compared to the case where the operator directly welds And workability is improved, and also has a good practical effect to protect the worker from the fume generated during welding.

Claims (1)

A support body equipped with a wire feed roller 16 and a pressure roller 18, which is provided on one side with a wire 80 released from the wire reel 82 and supplied to the welding torch 32 connected to the welding machine 130 ( A welding part having a driving motor for driving the wire feed roller 16; The support body 40 is equipped with the welded part on one side, and a lower portion of the support body 40 includes a driving wheel 46 which is rotated by a driving motor and the support body 40 together with the driving wheel 46. A first position adjusting portion having a driven wheel 48 adapted to support it; A support body 50 having a rail 52 in which the wheels 46 and 48 of the first position adjusting unit run in the front-rear direction and having a female screw hole 54 penetrating up and down at one side thereof; and the female screw hole ( The screw shaft 60 is screwed to the 50 and has a drive motor 66 for driving the screw shaft 60, and has formed a long hole 68 for guiding the up and down running of the support body 50. A vertical support 64, a horizontal movable body 70 which fixes the vertical support 64 at the upper center, mounts a plurality of wheels 72 at the bottom, and forms a female threaded hole 71 in the left and right directions; Mounting the screw shaft (77) for screwing into the female screw hole (71), and has a drive motor (78) for driving the screw shaft (77), and the rail (76) on which the wheel (72) travels in left and right directions. Second position adjustment consisting of a mobile cart 74 equipped with a plurality of wheels (79) at the bottom and a handle (74a) on one side .; Control panel 90 is connected to the drive motor to control the drive motor; Automatic surface growing apparatus of the cylindrical member comprising a.