KR101762330B1 - Sub plate cutter for welding device of large plate - Google Patents

Sub plate cutter for welding device of large plate Download PDF

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Publication number
KR101762330B1
KR101762330B1 KR1020150051587A KR20150051587A KR101762330B1 KR 101762330 B1 KR101762330 B1 KR 101762330B1 KR 1020150051587 A KR1020150051587 A KR 1020150051587A KR 20150051587 A KR20150051587 A KR 20150051587A KR 101762330 B1 KR101762330 B1 KR 101762330B1
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KR
South Korea
Prior art keywords
auxiliary welding
clamp
metal plate
large metal
plate
Prior art date
Application number
KR1020150051587A
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Korean (ko)
Other versions
KR20160121850A (en
Inventor
장두한
Original Assignee
김수영
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Publication date
Application filed by 김수영 filed Critical 김수영
Priority to KR1020150051587A priority Critical patent/KR101762330B1/en
Publication of KR20160121850A publication Critical patent/KR20160121850A/en
Application granted granted Critical
Publication of KR101762330B1 publication Critical patent/KR101762330B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/16—Hand-held sawing devices with circular saw blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/006—Sawing machines or sawing devices with circular saw blades or with friction saw discs with means to attach the sawing device to the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
    • B23D47/02—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of frames; of guiding arrangements for work-table or saw-carrier

Abstract

The present invention relates to a method for welding a large metal plate to a large-sized plate auxiliary welding process in which a small metal piece (auxiliary welding base) is welded to a welding start portion and a welding finished portion, And more particularly to a large plate auxiliary welding rod cutter which cuts off the auxiliary welding rod is detachably attached to a large metal plate welded with an auxiliary welding rod by a clamp, It is possible to easily and quickly cut off the auxiliary welding base welded to the large metal plate by cutting the auxiliary welding base with the saw blade.
The present invention relates to a large plate auxiliary welder cutter (100) for cutting a welding start portion where large metal plates (1) are connected by welding and an auxiliary welding rod (2) The plate auxiliary welding stand cutting machine 100 is provided with a clamping device part 101 which is detachably clamped to a large metal plate 1 and a clamping device part 101 which is hinged at the tip end of the clamping device part 101, Wherein the clamping device part 101 includes a pair of clamp bodies 10 formed in a " C " shape so as to be fitted in the outer end of the large metal plate 1, The housing 14, which is coupled between the horizontal part of the clamp clamp body 10 and the horizontal part thereof, is provided with a pair of guides (not shown) A rail 17 is slidably installed, and the guide rails 17 And the sliding movement of the guide rail 17 is applied to a predetermined position of the housing 14 or the clamp main body 10 in a screwed manner A clamping bolt 20 is fastened to the clamping body 10 in a screwed manner and a handle is provided on the upper horizontal portion of the clamping body 10 so as to clamp the large metal plate 1 inserted into the opening of the clamping body 10 A vertical bolt 12 is vertically fastened to the rear side of the clamp body 10 and a horizontal bolt (not shown) for adjusting the position of clamping the large plate auxiliary welding rod cutter 100 to the large metal plate 1 A laser beam irradiator 22 for irradiating a laser beam indicating line 23 on the upper surface of the object to be cut is provided at a lower portion of the front side guide rail support 18 so as to face forward, The cutting head (102) A protective cover 28 and a cutting knob 27 and a motor 25 are provided on a cutting head body 26 having a distal end portion hingedly attached to a tip end portion of the protective portion 101 by a hinge 24, And a circular saw blade 29 that rotates by a motor 25 is provided on the inner side of the rotor 28. [

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a sub-

The present invention relates to a method for welding a large metal plate to a large-sized plate auxiliary welding process in which a small metal piece (auxiliary welding base) is welded to a welding start portion and a welding finished portion, And more particularly to a large plate auxiliary welding rod cutter which cuts off the auxiliary welding rod is detachably attached to a large metal plate welded with an auxiliary welding rod by a clamp, It is possible to easily and quickly cut off the auxiliary welding base welded to the large metal plate by cutting the auxiliary welding base with the saw blade.

Generally, when a large structure such as a ship is to be dried or a large machine is to be manufactured, a large metal plate may be welded to form a structure to be manufactured using a large metal plate having a size of about 10 m or more .

In the case of joining large metal plates as described above, when welding large metal plates together, the welding start portion for starting welding and the welding completion portion for welding are formed such that the right corner portion of the welding start portion and the end portion thereof are welded to the welding heat There is a problem in that it melts in an undercut form (refer to the deteriorated portion (4) in FIG. 2).

As shown in FIGS. 1 and 3, in order to prevent the formation of the damaged portion 4 in which the edge portion melts down as described above, a small metal plate (secondary welding) is applied to the welding start portion and the welding completion portion, The large-sized metal plate 1 is welded from the auxiliary welding stand 2 back to the large-sized metal plate 1 to prevent the edges of the large-sized metal plate 1 from melting.

When the auxiliary welding base 2 is welded to the large metal plate 1 as shown in FIG. 3, the entire length of the auxiliary welding base 2 connected to the large metal plate 1 is not welded, The auxiliary welding base 2 and the large metal plate 1 are welded with each other by an interval of the width b so that the portion "c" which is the corner portion outside the portion "b"

The auxiliary welding base 2 protruding to the outside where the large metal plates 1 are connected to each other by welding the large metal plates 1 adjacent to each other is cut off after the large metal plates 1 are connected to each other. Hand grinders were used to grind them manually.

As described above, it takes a lot of time to remove the auxiliary welding base 2 protruding from the large metal plate 1 while grinding it with a hand grinder. In the process of grinding with a hand grinder, a lot of dust including a lot of powder is generated Not only polluting the work but also harming the health of the worker.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a large plate auxiliary welding rod cutter which cuts off the auxiliary welding rod is detachably attached to a large metal plate welded with an auxiliary welding rod by a clamp, And the auxiliary welding base is cut by using the installed circular saw blade so that the auxiliary welding base welded to the large metal base can be cut easily and quickly.

In order to accomplish the above object, the present invention provides a large plate auxiliary welding rod cutting machine for cutting a welding start portion where large metal plates are welded and an auxiliary welding rod welded to the welding completion portion, The auxiliary welding rod cutter includes a clamping device part which is detachably clamped to a large metal plate and a cutting head hingedly provided at the tip of the clamping device part for cutting the auxiliary welding rod, A pair of clamp bodies which are formed in a " C " shape so as to be able to be inserted are provided in a state of being held at a constant interval by an upper housing and a lower support, A pair of guide rails are slidably installed on the housing, and both ends of the guide rails are fixed to the body cover Is provided coupled to the guide rail support, which is installed at the lower end, in a predetermined position of the housing or the clamping main body locking bolt to lock the sliding operation of the guide rail to be fastened to the threaded screw,

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A vertical screw having a handle on an upper side thereof is vertically fastened to the upper horizontal portion of the both side clamp bodies so as to clamp the large metal plate inserted into the opening of the clamp body, A horizontal bolt for adjusting a position for clamping the large cutter to the large metal plate is fastened to the front side and a laser beam irradiator for irradiating a laser beam display line to the upper surface of the object to be cut is installed at the lower portion of the front side guide rail support Wherein the cutting head is provided with a protective cover, a cutting knob, and a motor on a cutting head body having a distal end hinged by a hinge at the tip of the clamping unit, and a circular saw blade rotating by a motor is installed inside the protective cover And the like.

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As described above, the large plate auxiliary welding machine cutter of the present invention is a large plate auxiliary welding machine cutter, which is detachably attached to a large metal plate welded with an auxiliary welding rod by a clamp, It is possible to cut off the auxiliary welding base welded to the large metal plate easily and quickly, and to reduce the labor cost by cutting the secondary welding base neatly and quickly, and to improve the productivity Therefore, it is possible to improve the worker's safety and work environment when the auxiliary welding rod is cut, because the generation amount of dust is smaller than that of grinding with the conventional hand grinder.

1 is a plan view showing a state in which a large metal plate is connected as an auxiliary welding.
FIG. 2 is a cross-sectional view showing a state where a welding start portion and a weld completion portion are damaged when a large metal plate is welded; FIG.
3 is an enlarged perspective view of the "A" portion of FIG.
4 is a front perspective view showing a large plate ancillary welding machine cutter according to the present invention.
5 is a rear perspective view of a large plate ancillary welder cutter according to the present invention.
6 is a perspective view showing a lower part of a large plate auxiliary welding rod cutting machine according to the present invention.
7 is a perspective view showing the use state of the present invention.

Hereinafter, a large plate auxiliary welding rod cutting machine according to the present invention will be described with reference to FIGS. 1 and 4 to 7 attached hereto.

1, the large plate auxiliary welding rod cutter 100 according to the present invention includes a large metal plate 1 having a large metal plate 1 welded thereto by using the auxiliary welding rod 2, A clamping device part 101 for detachably clamping the outer end of the large metal plate 1 by cutting off the auxiliary welding rod 2 after detachably installing the clamping device 101 using the clamping device 101, And a cutting head 102 hingedly provided at the tip end for cutting the auxiliary welding base 2.

As shown in Figs. 4 to 7, the clamping unit 101 includes a pair of clamp bodies 10 formed in a " C " shape so as to be fitted to the outer end of the large metal plate 1, The housing 14, which is coupled between the horizontal part of the clamp clamp body 10 and the horizontal part of the clamp clamp body 10, is provided with a pair of A guide rail 17 is slidably installed.

In this case, the housing 14 is coupled between the upper horizontal portions of the two clamp main bodies 10, and the support base 15 is installed between the lower horizontal portions of the both side clamp main bodies 10, A guide rail guide groove 11 in which the guide rail 17 is slid is formed in the upper horizontal portion of the housing 11 and the housing 14.

Both ends of the guide rail 17 are respectively coupled to a guide rail support 18 provided at a lower end of the body cover 19. A guide rail 17 is provided at a predetermined position of the housing 14 or the clamp body 10. [ A locking bolt 20 for locking the sliding movement of the housing 14 in the form of a set screw is screwed and the housing 14 is provided with a carrying handle 16.

A vertical screw 12 having a handle on the upper side is vertically fastened to the upper horizontal portion of the both side clamp bodies 10 to clamp the large metal plate 1 inserted into the opening of the clamp body 10, A horizontal bolt 13 for adjusting the position of clamping the large-sized plate auxiliary welding rod cutter 100 to the large metal plate 1 is fastened to the rear vertical portion of the both-side clamp main body 10 so as to pass through the front side.

A bottom support 21 for preventing the large plate auxiliary welder cutter 100 from falling down when the large plate auxiliary welder cutter 100 is placed on the floor is provided on the bottom surface of the cutting head 102 And a laser beam irradiator 22 for irradiating a laser beam display line 23 on the upper surface of the object to be cut is provided at a lower portion of the front side guide rail support 18 so as to face forward.

The cutting head 102 is attached to the cutting head main body 26 having a distal end hinged by the hinge 24 on the guide rail supporter 18 on the distal end side of the clamping unit 101, A knob 27 and a motor 25. A circular saw blade 29 that rotates by a motor 25 is provided inside the protective cover 28. A predetermined position of the cutting knob 27 is provided with a laser beam There are provided switches 30 for turning on and off the irradiator 22 and the motor 25, respectively.

The laser beam irradiator 22 and the circular saw blade 29 are installed in the same straight line so that the laser beam irradiated from the laser beam irradiator 22 is irradiated to the auxiliary welding base 2 to accurately cut the portion It is possible to do so.

In the reference numerals, "3" is a weld bead.

The operational relationship of the present invention constructed as described above will be described with reference to FIG. 1 and FIGS. 4 to 7. FIG.

As shown in Figs. 1 and 3, the large plate auxiliary welding rod cutter 100 according to the present invention cuts the welding start portion for welding the large metal plate 1 and the auxiliary welding rod 2 welded to the welding finished portion When cutting the auxiliary welding bar 2 welded to the outside of the large metal plate 1 connected to each other as described above, it is necessary to first cut the large metal plate 1 in the vicinity of the auxiliary welding bar 2 to be cut 1), the large plate auxiliary welder cutter 100 should be clamped.

The vertical screw 12 and the horizontal bolt 13 provided on the clamp body 10 are respectively loosened when the large plate auxiliary welding machine cutter 100 is to be clamped to the large metal plate 1. The vertical screws 12 The space between the lower end of the vertical screw 12 and the upper surface of the lower horizontal portion of the clamp body 10 is widened so that the wider space can be fitted to the outer end of the large metal plate 1. [

The horizontal bolt 13 is loosened so that the depth of the end of the large metal plate 1 inserted into the opening of the clamp body 10 becomes deeper and the bolts 13 are screwed into the two clamp bodies 10 By adjusting the fastening depth of the horizontal bolt 13, the cut surface can be inclined or the correct position can be matched with the outer end of the large metal plate.

The vertical screws 12 and the horizontal bolts 13 are loosened so that the both side clamp bodies 10 provided at the outer ends of the large metal plates 1 are spaced apart from each other, The distance between the upper surface of the lower horizontal portion of the clamp body 10 and the bottom surface of the vertical screw 12 is narrowed while the vertical screw 12 vertically fastened to the horizontal portion is screwed down, The large metal plate 1 is clamped in the thickness direction.

At this time, instead of firmly tightening the vertical screw 12, the large plate auxiliary welding stand 100 may be assembled so that it does not fall off the large metal plate 1. In this state, the laser beam irradiator 22 is turned on, The laser light emitted from the laser beam irradiator 22 is irradiated to the auxiliary metal plate 1 or the auxiliary metal plate 1 welded to the outside of the large metal plate 1 according to the position of the large plate auxiliary welding rod cutter 100 2 as shown in FIG. 7 so that the laser beam line 23 can be identified by the human eye.

The position of the laser beam display line 23 is visually checked so that the laser beam display line 23 is positioned on the rear side of the clamp body 10 so that the laser beam display line 23 coincides with the portion where the large metal plate 1 and the auxiliary welding rod 2 are welded The horizontal bolt 13 fastened to the vertical portion through the threaded portion is fastened so that the laser beam line 23 is aligned with the position at which the auxiliary welding base 2 is cut accurately and then the vertical screw 12 The clamping operation of the large plate auxiliary welding stand cutting machine 100 to the large metal plate 1 is completed.

The diameter of the circular saw blade 29 and the size of the auxiliary welding base 2 to be cut are taken into consideration so that the position of the circular saw blade 29 is adjusted to the position to cut the auxiliary welding base 2 102 are slidably moved.

At this time, the guide rail 17 of the clamping unit 101 on which the distal end of the cutting head 102 is installed and the guide rail guide groove 11 can be slidable relative to each other, As shown in FIG.

After the cutting head 102 has been moved to the position where the auxiliary welding bar 2 is to be cut, the lock bolt 20 provided in the form of a set screw is fastened to the housing 14 or the clamp body 10 in a screw- The leading end portion of the fastened locking bolt 20 is fixed to the guide rail 17 in such a way that the sliding between the guide rail 17 and the guide rail guide groove 11 is locked.

When the motor 25 installed on the cutting head 102 is driven in this state, the circular saw blade 29 is rotated by the driving force of the motor 25, and in the state where the circular saw blade 29 is rotated When the cutting head 102 is lowered by holding the cutting knob 27, the cutting head 102 hinged by the hinge 24 is hingedly lowered at the tip of the clamping unit 101.

As the cutting head 102 is lowered in the state where the circular saw blade 29 rotates, the circular saw blade 29 rotating at high speed contacts the auxiliary welding base 2 and cuts off the auxiliary welding base 2 . At this time, the laser beam irradiator 22 and the circular saw blade 29 are installed in the same straight line state, so that the laser beam irradiated from the laser beam irradiator 22 accurately cuts the irradiated portion of the auxiliary welding base 2 .

When the width of the auxiliary welding bar 2 is larger than the diameter of the circular saw blade 29 when the auxiliary welding bar 2 is cut as the circular saw blade 29 as described above, The rotation of the circular saw blade 29 is stopped and then the lock bolt 20 is loosened so that the cutting head 102 is slid to a position where the auxiliary welding base 2 can be further cut, The cutting operation is performed again.

The large plate auxiliary welding rod cutting machine 100 according to the present invention is for cutting the auxiliary welding rod 2 welded outwardly at the outer end of the large metal plate 1 with the circular saw blade 29, The large plate auxiliary welding machine cutter 100 is moved to perform the necessary cutting operation while clamping the workpiece.

The large plate auxiliary welding rod cutter 100 according to the present invention is placed on a storage shelf or a bottom surface when not in use. The large plate auxiliary welding rod cutter 100 has a large The bottom support 21 is provided on the side of the cutting head 102 so that the plate auxiliary welding stand cutter 100 stably stays without falling down and the large plate auxiliary welding stand cutter 100 ) Is placed on the floor, the large plate auxiliary welder cutter 100 can be kept from falling down.

1: large metal plate 2: auxiliary welding stand 3: weld bead
4: Damage portion 10: Clamp body 11: Guide rail guide groove
12: vertical screw 13: horizontal bolt 14: housing
15: support member 16: transport handle 17: guide rail
18: Guide rail support 19: Body cover 20: Lock bolt
21: floor support 22: laser beam irradiator 23: laser beam display line
24: hinge 25: motor 26: cutting head body
27: cutting knob 28: protective cover 29: circular saw blade
30: Switch 100: Large Plate Auxiliary Welding Cutter
101: clamping device part 102: cutting head

Claims (2)

In the construction of the large plate auxiliary welding machine cutter 100 for cutting the welding start portion where the large metal plates 1 are welded and the auxiliary welding rod 2 welded to the welding finished portion,
The large plate auxiliary welding rod cutter 100 includes a clamping device part 101 which is detachably clamped on the large metal plate 1 and a clamping device part 101 which is hinged at the tip end of the clamping device part 101, And a cutting head (102)
The clamping unit 101 includes a pair of clamp bodies 10 formed in a "C" shape so as to be fitted to the outer end of the large metal plate 1, A pair of guide rails 17 are slidably installed in the housing 14, which is coupled between the horizontal portion of the clamp members 10 and the horizontal portions thereof, ,
Both ends of the guide rail 17 are coupled to a guide rail support 18 provided at a lower end of the body cover 19. A guide rail 17 is provided at a predetermined position of the housing 14 or the clamp body 10, A locking bolt (20) for screwing the sliding movement is screwed,
A vertical screw 12 having a handle on its upper side is vertically fastened to the upper horizontal portion of the both side clamp bodies 10 to clamp the large metal plate 1 inserted into the opening of the clamp body 10, A horizontal bolt 13 for adjusting the position of clamping the large-sized plate auxiliary welding rod cutter 100 to the large metal plate 1 is fastened to the rear vertical portion of the clamp main body 10 so as to penetrate forward,
A laser beam irradiator 22 for irradiating a laser beam marking line 23 on the upper surface of the object to be cut is provided at a lower portion of the front side guide rail support 18,
The cutting head 102 has a protective cover 28 and a cutting knob 27 attached to a cutting head body 26 having a distal end hinged by a hinge 24 at the tip of the clamping unit 101, And a circular saw blade (29) rotating by a motor (25) is provided on the inside of the protective cover (28). The welding apparatus according to claim 1, wherein the housing (14) is provided with a carrying handle (16), and a large plate auxiliary welding rod cutter (100) is placed on the bottom of the both side clamp main body Wherein a bottom support (21) for preventing the cutter (100) from falling over is provided so as to extend toward the cutting head (102) side.
KR1020150051587A 2015-04-13 2015-04-13 Sub plate cutter for welding device of large plate KR101762330B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150051587A KR101762330B1 (en) 2015-04-13 2015-04-13 Sub plate cutter for welding device of large plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150051587A KR101762330B1 (en) 2015-04-13 2015-04-13 Sub plate cutter for welding device of large plate

Publications (2)

Publication Number Publication Date
KR20160121850A KR20160121850A (en) 2016-10-21
KR101762330B1 true KR101762330B1 (en) 2017-07-28

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101884927B1 (en) * 2017-07-14 2018-08-03 한국항공우주산업 주식회사 LUG cutter
CN110977092A (en) * 2019-10-24 2020-04-10 上海江南长兴造船有限责任公司 Auxiliary stabilizing method for elastic idler wheel of gate type cutting machine

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