KR20130010767A - Screw shaft welding equipment for shooting out - Google Patents

Screw shaft welding equipment for shooting out Download PDF

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Publication number
KR20130010767A
KR20130010767A KR1020110071618A KR20110071618A KR20130010767A KR 20130010767 A KR20130010767 A KR 20130010767A KR 1020110071618 A KR1020110071618 A KR 1020110071618A KR 20110071618 A KR20110071618 A KR 20110071618A KR 20130010767 A KR20130010767 A KR 20130010767A
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South Korea
Prior art keywords
screw
welding
block
long hole
shaft
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KR1020110071618A
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Korean (ko)
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KR101290084B1 (en
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주상규
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주상규
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/04—Welding for other purposes than joining, e.g. built-up welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B23K31/025—Connecting cutting edges or the like to tools; Attaching reinforcements to workpieces, e.g. wear-resisting zones to tableware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K5/00—Gas flame welding
    • B23K5/18—Gas flame welding for purposes other than joining parts, e.g. built-up welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/235—Preliminary treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws

Abstract

PURPOSE: A welding machine for a screw for injection molding is provided to have a bead having greater coating thickness than the center in the lateral direction, thereby reducing time for welding and side part and outer surface of a screw can be flattened. CONSTITUTION: A welding machine for a screw for injection molding(100) includes a supporting block(112), a rail block(113), a driving motor(M), a rotating disk(110), a guiding rail(120), a cam member, a connecting block(140), a connecting shaft(150), a traveling support(160) and a vertical controlling support(170). In the connecting block, a slot hole accepting a central axis(131) is formed, a second controlling screw controlling a position of the central screw in the slot hole penetrating the slot hole from one side is prepared. The connecting shaft converts a rotating motion of a rotary disc to a straight line motion while being connected to the other side of the connecting block where the second controlling screw is installed. The traveling support is connected and installed with an edge of the connecting shaft, and is being slide from the rail block. The vertical controlling support is installed capable of being elevated in vertical to the upper part of the traveling support, and the welding gun(G) can be detachably installed in its one side.

Description

사출용 스크류의 용접장치{Screw shaft welding equipment for shooting out}Welding device for injection screw {Screw shaft welding equipment for shooting out}

본 발명은 사출용 스크류의 용접장치에 관한 것으로서, 좀더 상세하게는 수지 사출용으로 이용되는 스크류의 나사산부에 용접으로서 마모된 나사산부의 단부를 보강함에 있어, 나사산부에 용접 코팅되는 용접 코팅부의 효율적인 코팅으로 불필요한 용접에 의한 시간 단축 및 용접 코팅부의 후 가공에 따른 품질을 높일 수 있도록 한 사출용 스크류의 용접장치에 관한 것이다.
The present invention relates to a welding apparatus for a screw for injection, and more particularly, in reinforcing the end of a worn threaded portion as a weld on a threaded portion of a screw used for resin injection, the welding coating portion welded and coated on the threaded portion is effective. The present invention relates to a welding device for injection screws that can reduce the time due to unnecessary welding and improve the quality of the post-processing of the welding coating part.

일반적으로 사출기나 압출기의 경우, 핵심 구성요소로 스크류(Screw)가 사용된다.In general, in the case of an injection molding machine or an extruder, a screw is used as a key component.

상기 스크류는 회전하면서 용융된 플라스틱 재료(수지)를 금형측으로 공급 이송하는 역할을 수행한다.The screw serves to feed the molten plastic material (resin) to the mold side while rotating.

도 1에는 일반적인 사출기의 구성이 도시되어 있다.1 shows a configuration of a general injection molding machine.

통상 사출기는, 원통의 실린더(10)가 구비되고, 상기 실린더(10)의 전면에는 실린더헤드(11)와 노즐(12)이 구비된다.Usually, the injection molding machine is provided with the cylindrical cylinder 10, and the cylinder head 11 and the nozzle 12 are provided in the front surface of the said cylinder 10.

또한 상기 실린더(10) 내부에는 실린더의 내경에 거의 근접되는 직경을 가지는 스크류(20)가 장착된다.In addition, the cylinder 10 is mounted with a screw 20 having a diameter almost close to the inner diameter of the cylinder.

상기 스크류(20)는 스크류축(21)과 나사산부(22)로 구성되며, 상기 스크류축(21)의 전면에는 실링(23) 및 체크링(24)을 통해 스크류헤드(25)가 장착된다.The screw 20 is composed of a screw shaft 21 and the threaded portion 22, the screw head 25 is mounted on the front surface of the screw shaft 21 through a seal 23 and the check ring 24 .

또한 상기 스크류축(22)의 타단은 유압실린더(30)에 의해 구동되는 회전모터(31)에 연결된다.In addition, the other end of the screw shaft 22 is connected to the rotary motor 31 driven by the hydraulic cylinder (30).

또한 상기 실린더(10)에는 펠릿혹은 납작한 편 형태의 플라스틱 재료가 투입되는 호퍼(50)와, 실린더 내부에 투입된 플라스틱 재료를 용융시키는 히터(40)가 장착되고, 상기 실린더 노즐(12)은 소정의 금형(60)과 연결되는 구조를 가진다.In addition, the cylinder 10 is equipped with a hopper 50 into which a pellet or flat piece of plastic material is introduced, and a heater 40 for melting the plastic material introduced into the cylinder, and the cylinder nozzle 12 has a predetermined value. It has a structure connected to the mold (60).

이와 같이 구성되는 사출기의 동작을 살펴본다.Look at the operation of the injection molding machine configured as described above.

먼저, 플라스틱 재료를 호퍼(50)를 통해 실린더(10)로 투입하면, 투입된 재료는 히터(40)에 의해 가열되고, 스크류(20)의 회전으로 혼합 및 용융되면서 실린더 노즐(12)을 통해 금형(60)으로 사출된다.First, when the plastic material is introduced into the cylinder 10 through the hopper 50, the injected material is heated by the heater 40, the mold through the cylinder nozzle 12 while mixing and melting by the rotation of the screw 20 Injection into 60.

상기 금형(60)으로 주입된 용융물은 금형으로부터 이형되기 위해 온도가 조조절되는 금형 내에서 냉각되고, 동시에 상기 스크류(20)는 새로운 사출 성형 사이클이 시작되며, 냉각된 성형물은 이형된다.The melt injected into the mold 60 is cooled in a mold whose temperature is adjusted to release from the mold, and at the same time the screw 20 starts a new injection molding cycle and the cooled molding is released.

이러한 사출 성형을 살펴보면 상기 실린더(10) 내부에 장착된 스크류(20)는 고온의 플라스틱 재료를 용융하고 혼합하는 동작을 수행하는 구성요소로, 고온의 환경에 견딜 수 있어야 한다.Looking at such injection molding, the screw 20 mounted inside the cylinder 10 is a component that performs an operation of melting and mixing high temperature plastic materials, and should be able to withstand high temperature environments.

이러한 스크류(20)는 고온의 환경에 노출되어 있어, 일정기간 사용되면 특정부위가 마모되어 제 기능을 발휘하지 못하게 된다.Such a screw 20 is exposed to a high temperature environment, and when used for a certain period of time, a particular portion is worn out, thereby preventing its function.

따라서 종래에는 일정기간 사용되어 제 기능을 상실한 스크류는 교체하여 주어야 한다. 그러나 스크류는 고가의 장비로 이에 대한 비용 부담이 있어왔고, 스크류의 신규 제작기간도 상당히 소요되어, 스크류 교체에 대한 여러 가지 비경제적인 문제점이 도출되어 왔다.Therefore, the screw which has been used for a certain period of time and has lost its function should be replaced. However, the screw has been expensive because of the expensive equipment, and the new manufacturing period of the screw is also considerably long, leading to various uneconomical problems of screw replacement.

상기 스크류에 있어, 실린더의 내부 직경과 거의 근접하는 스크류의 나사산부는 외측면 마모를 최대한 줄이기 위해 나사산부에 소정의 두께를 갖는 용접 코팅부(22a)를 형성한다.In the screw, the threaded portion of the screw nearly close to the inner diameter of the cylinder forms a weld coating 22a having a predetermined thickness on the threaded portion in order to minimize outer surface wear.

이러한 용접 코팅부는 용접장치를 통해 나사산부의 폭에 맞추어 용접 건이 좌우로 반복 이송함과 동시에 선반에 장착된 스트류의 저회전 동작에서 용접 비드를 연속으로 형성함으로써 용접 코팅부(22a)를 형성할 수 있게 된다.The welding coating part can form the welding coating part 22a by continuously forming the welding bead in the low rotational motion of the string mounted on the shelf while the welding gun is repeatedly transported from side to side according to the width of the thread part through the welding device. Will be.

통상 상기와 같이 용접 코팅부(22a)는 도 2a에서 도시한 바와 같이 나사산부의 폭에 대하여 중앙 상부가 불룩하게 돌출되는 형태로 비드가 형성되어 있어, 향후 슬래그 제거와 함께 선반을 이용한 가공으로서 도 2b에서와 같이 용접 코팅부(22a)의 상부가 도면상으로 볼 때 납작한 형태가 되도록 하여 상기 실린더의 내경에 밀접하는 형태의 치수가 되게 가공한다. Usually, as described above, the weld coating part 22a has a bead formed in a shape in which a central upper part protrudes bulge with respect to the width of the threaded part, as shown in FIG. 2A. As shown in FIG. As in the upper portion of the weld coating (22a) as shown in the drawings are processed to be a dimension of the shape that is in close contact with the inner diameter of the cylinder.

그러나, 상기와 같은 용접 코팅부(22a)를 형성함에 있어, 용접 코팅부(22a)의 양측은 중앙에 비해 낮은 형태가 되는 이유에서 용접하는 시간이 오래 걸리게 되고, 이러한 점은 용접 코팅부의 외표면을 납작한 형태로 정밀 가공하는 시간 또한 점차 지연되는 문제점이 있어 작업성이 매우 나쁘며, 가공에 따른 치수 오차가 발생하는 문제점이 있었다.
However, in forming the weld coating 22a as described above, welding takes a long time because both sides of the weld coating 22a are lower than the center, and this is the outer surface of the weld coating. The precision machining time in a flat form also has a problem that is gradually delayed, the workability is very bad, there was a problem that the dimensional error occurs due to processing.

본 발명은 상기와 같이 제반되는 종래의 문제점을 해결하기 위하여 발명한 것으로서, 그 목적은 수지 사출용으로 이용되는 스크류의 나사산부에 용접으로서 마모된 나사산부의 단부를 보강함에 있어, 나사산부에 용접 코팅되는 용접 코팅부의 효율적인 코팅으로 불필요한 용접에 의한 시간 단축 및 용접 코팅부의 후 가공에 따른 품질을 높일 수 있도록 한 사출용 스크류의 용접장치를 제공함에 있다.
The present invention has been invented to solve the conventional problems as described above, the object of the present invention is to reinforce the end of the threaded portion worn by welding to the threaded portion of the screw used for resin injection, the coating coating on the threaded portion It is to provide a welding device for injection screw to reduce the time due to unnecessary welding and to improve the quality of the post-processing of the weld coating by the efficient coating of the weld coating.

상기 목적을 달성하기 위한 본 발명에 의하면, 선반의 베드상으로부터 좌우 이송가능하게 설치된 작업대상에 설치되어 선반에 장착되어 회전하는 스크류의 나사산부 단부에 용접 건을 근접시켜 나사산부의 폭 방향 외측에 용접 코팅부를 형성하는 용접장치에 있어서,According to the present invention for achieving the above object, the welding gun is attached to the end of the threaded portion of the screw which is mounted on the shelf and is mounted on the shelf so as to be transported from side to side on the bed of the shelf and welded to the outer side in the width direction of the threaded portion. In the welding device for forming a coating portion,

상기 용접장치는, 작업대 상부에 고정 설치되는 받침블럭; 및 받침블럭과 이격 설치되는 레일블럭과; 상기 받침블럭 상부에 설치되는 구동모터; 및 구동모터의 회전축상에 설치되는 회전원판과; 상기 회전원판상에 ㄷ자형으로 조합 설치되는 안내레일과; 상기 안내레일에 슬라이딩 가능하게 설치되며, 일측으로부터 중심축이 체결되고, 상기 중심축은 구동모터의 회전축과 편중되도록 조정하기 위한 제1조정나사가 구비된 캠부재와; 상기 캠부재의 중심축이 수용되는 장공이 형성되고, 일측으로부터 장공을 통과하는 중심축을 장공 내에서 위치 조정하는 제2조정나사가 구비된 연결블럭과; 상기 제2조정나사가 설치된 연결블럭의 타측에 연결 설치되어 회전원판의 회전운동을 직선운동으로 변환하는 연결축과; 상기 연결축의 단부와 연결 설치되어 상기 레일블럭으로부터 슬라이딩되는 이송대와; 상기 이송대의 상부로부터 수직되면서 높이조절가능하게 설치되며, 일측에는 상기 용접 건이 탈착가능하게 설치되는 수직조절대;를 포함하여 구성된 것을 특징으로 한다.The welding device, the support block is fixedly installed on the work table; And a rail block spaced apart from the support block; A drive motor installed on the support block; And a rotation disc installed on the rotation shaft of the drive motor. A guide rail which is installed in a U shape on the rotating disc; A cam member slidably installed on the guide rail, the central shaft being fastened from one side, and the central shaft being provided with a first adjustment screw for adjusting the shaft to be biased with the rotation shaft of the driving motor; A connection block having a long hole in which a central axis of the cam member is accommodated, and having a second adjustment screw for adjusting a central axis passing through the long hole from one side in the long hole; A connecting shaft connected to the other side of the connecting block on which the second adjusting screw is installed and converting a rotational movement of the rotating disc into a linear movement; A transfer table connected to an end of the connection shaft and slid from the rail block; It is installed vertically from the upper portion of the conveyance and adjustable height, one side of the vertical adjuster is installed detachably the welding gun; characterized in that it comprises a.

본 발명에 따른 상기 제2조정나사의 체결조정에 따라 연결블럭의 장공으로부터 중심축에 대한 연결축의 직선운동 속도조정이 이루어지도록 된 것을 특징으로 한다.According to the present invention, according to the fastening adjustment of the second adjusting screw, the linear movement speed of the connecting shaft with respect to the central axis is adjusted from the long hole of the connecting block.

본 발명에 따른 상기 장공의 길이는 스크류의 나사산부 폭 길이보다 길게 형성된 것을 특징으로 한다.
The length of the long hole according to the invention is characterized in that formed longer than the length of the screw thread width of the screw.

본 발명에 따른 스크류 용접장치는 선반으로부터 장착되어 회전하는 스크류의 나사산부에 대해 좌우로 이동하면서 나사산부의 외측면을 용접 코팅하는 용접 건의 속도를 캠 방식으로 조정하여 나사산부의 폭 방향에 대한 비드의 형성을 중앙보다 양측 코팅두께를 더 갖도록 함으로써, 용접시간을 단축하고, 용접 코팅부의 후 절삭가공시 나사산부의 측면부와 외측면의 모서리부분이 반듯하게 가공처리할 수 있는 유리한 작업조건을 제공할 수 있는 효과가 있다.
The screw welding apparatus according to the present invention adjusts the speed of the welding gun for welding coating the outer surface of the threaded portion while moving from side to side with respect to the threaded portion of the rotating screw mounted from the shelf in a cam manner to form beads in the width direction of the threaded portion. By having more coating thickness on both sides than the center, it is possible to shorten the welding time and provide favorable working condition that the edges of the side part and the outer side of the thread part can be processed smoothly during the post-cutting of the weld coating part. There is.

도 1은 종래 사출용 스크류가 적용된 수지 압출장치를 전반적으로 도시한 구성도
도 2a는 종래기술에서 스크류의 나사산부 단부에 용접 코팅부를 형성한 상태를 도시한 부분 확대단면도,
도 2b는 도 2a에서 용접 코팅부를 절삭 가공 후를 도시한 부분 확대단면도,
도 3은 본 발명인 용접장치를 보여주는 사시도,
도 4는 본 발명에 따른 용접장치의 주요부분을 분리하여 도시한 사시도,
도 5는 본 발명에 따른 용접장치의 작동상태를 예시한 정면도,
도 6a 및 도 6b는 본 발명에 따른 용접 건, 연결블럭을 포함한 연결축의 작동상태를 발췌하여 도시한 정면도,
도 7은 본 발명에 따른 용접장치에 의해 스크류에 용접 코팅부를 형성한 상태를 도시한 부분 확대단면도,
도 8은 도 7에서 용접 코팅부를 절삭 가공 후를 도시한 부분 확대단면도이다.1 is a configuration diagram generally showing a resin extrusion apparatus to which a conventional injection screw is applied.
Figure 2a is a partially enlarged cross-sectional view showing a state in which a weld coating formed on the threaded end of the screw in the prior art,
FIG. 2B is a partially enlarged cross-sectional view illustrating a cutting process of the welding coating part in FIG. 2A;
3 is a perspective view showing the present inventors welding apparatus,
Figure 4 is a perspective view showing the separation of the main part of the welding apparatus according to the present invention,
5 is a front view illustrating an operating state of the welding apparatus according to the present invention;
6a and 6b is a front view showing an extracting the operating state of the connecting shaft including the welding gun, connecting block according to the present invention,
7 is a partially enlarged cross-sectional view showing a state in which a welding coating is formed on a screw by a welding apparatus according to the present invention;
FIG. 8 is a partially enlarged cross-sectional view illustrating a cutting process of a welding coating part in FIG. 7.

이하, 본 발명을 첨부된 도 3 내지 도 8을 참조하여 더욱 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to FIGS. 3 to 8. FIG.

본 발명은, 선반의 베드상으로부터 좌우 이송가능하게 설치된 작업대(111)상에 설치되어 선반에 장착되어 회전하는 스크류(20)의 나사산부(22) 단부에 용접 건(G)을 근접시켜 나사산부의 폭 방향 외측에 용접 코팅부(22a)를 형성하는 용접장치(100)에 있어서,According to the present invention, the welding gun G is brought close to the end of the threaded portion 22 of the screw 20 which is installed on the worktable 111 so as to be able to move left and right from the bed of the shelf and is mounted on the shelf. In the welding apparatus 100 which forms the welding coating part 22a in the width direction outer side,

상기 용접장치(100)는, The welding device 100,

작업대(111) 상부에 고정 설치되는 받침블럭(112); 및 받침블럭(112)과 이격 설치되는 레일블럭(113)과; 상기 받침블럭(112) 상부에 설치되는 구동모터(M); 및 구동모터(M)의 회전축상에 설치되는 회전원판(110)과; 상기 회전원판(110)상에 ㄷ자형으로 조합 설치되는 안내레일(120)과; 상기 안내레일(120)에 슬라이딩 가능하게 설치되며, 일측으로부터 중심축(131)이 체결되고, 상기 중심축(131)은 구동모터(M)의 회전축과 편중되도록 조정하기 위한 제1조정나사(132)가 구비된 캠부재(130)와; 상기 캠부재(130)의 중심축(131)이 수용되는 장공(141)이 형성되고, 일측으로부터 장공(141)을 통과하는 중심축(131)을 장공 내에서 위치 조정하는 제2조정나사(142)가 구비된 연결블럭(140)과; 상기 제2조정나사(142)가 설치된 연결블럭(140)의 타측에 연결 설치되어 회전원판(110)의 회전운동을 직선운동으로 변환하는 연결축(150)과; 상기 연결축(150)의 단부와 연결 설치되어 상기 레일블럭(113)으로부터 슬라이딩되는 이송대(160)와; 상기 이송대(160)의 상부로부터 수직되면서 높이조절가능하게 설치되며, 일측에는 상기 용접 건(G)이 탈착가능하게 설치되는 수직조절대(170);를 포함하여 구성된다.Support block 112 is fixedly installed on the worktable 111; And a rail block 113 spaced apart from the support block 112; A drive motor (M) installed on the support block 112; And a rotation disc 110 installed on the rotation shaft of the drive motor M. A guide rail 120 installed in a U-shape on the rotating disc 110; The guide rail 120 is slidably installed, the central shaft 131 is fastened from one side, and the central shaft 131 is the first adjustment screw 132 for adjusting to be biased with the rotation shaft of the drive motor (M). Cam member 130 is provided; The long hole 141 is formed to accommodate the central axis 131 of the cam member 130, the second adjustment screw 142 for adjusting the position in the long hole the central axis 131 passing through the long hole 141 from one side Is provided with a connection block 140; A connection shaft 150 connected to the other side of the connection block 140 on which the second adjustment screw 142 is installed and converting the rotational movement of the rotation disc 110 into a linear movement; A transfer table 160 connected to an end of the connection shaft 150 and sliding from the rail block 113; It is installed vertically from the upper portion of the transfer table 160, the height is adjustable, the vertical adjuster 170 is installed on one side detachably the welding gun (G).

상기 레일블럭(113)은 수직되면서 상호 대응되며, 상부에 레일홈이 형성되고, 이 레일홈에 맞게 이송대(160)가 설치된다.The rail block 113 is vertical and correspond to each other, a rail groove is formed in the upper portion, the carriage 160 is installed to match the rail groove.

상기 회전원판(110)에 ㄷ자형으로 조합 설치되는 안내레일(120)은 각각의 직사각형테의 블럭으로서, 그중 상호 대응되는 두개의 블럭 내측면에 레일홈이 형성되고, 이에 맞게 상기 캠부재(130)가 슬라이딩 가능하게 설치된다.The guide rails 120, which are installed in a U-shaped combination on the rotating disc 110, are blocks of rectangular frames, and rail grooves are formed on two inner surfaces of the two blocks corresponding to each other, and the cam member 130 accordingly. ) Is slidably installed.

상기 안내레일(120)을 구성하는 블럭 중 레일홈이 형성되지 않은 블럭에는 상기 캠부재(130)를 안내레일(120)로부터 위치 조정하기 위한 제1조정나사(132)가 설치된다. The first adjustment screw 132 for adjusting the position of the cam member 130 from the guide rail 120 is installed in the block of the block constituting the guide rail 120 is not formed.

상기 수직조절대(170)는 2단으로 형성되어 높이조절가능하고, 상부측에는 상기 용접 건을 홀딩하기 위한 클램프가 설치된다.The vertical adjuster 170 is formed in two stages height adjustable, the upper side is provided with a clamp for holding the welding gun.

상기 제2조정나사(142)의 체결조정에 따라 연결블럭(140)의 장공(141)으로부터 중심축(131)에 대한 연결축(150)의 직선운동 속도조정이 이루어지도록 한다.According to the fastening adjustment of the second adjusting screw 142, the linear movement speed of the connecting shaft 150 with respect to the central axis 131 is adjusted from the long hole 141 of the connecting block 140.

상기 연결축(150)의 직선운동 속도조정과 관련하여 상기 장공(141)의 길이는 스크류(20)의 나사산부(21) 폭 길이보다 길게 형성된다.The length of the long hole 141 is formed longer than the width of the threaded portion 21 of the screw 20 in relation to the linear movement speed adjustment of the connecting shaft 150.

즉, 장공(141)의 길이는 연결블럭(140)의 동작시 직선운동에 대한 장공(141)의 양측으로부터 중심축(131)이 위치하는 체공 시간을 스크류(20)의 나사산부(22) 폭에 있어, 그 양측에 용접 건이 위치하는 시간을 용접 건(G)이 중앙에 위치하는 시간보다는 좀더 길게 주기 위함이다.That is, the length of the long hole 141 is the width of the threaded portion 22 of the screw 20 to determine the hole time at which the central axis 131 is located from both sides of the long hole 141 with respect to the linear motion during the operation of the connection block 140. This is to give a longer time for the welding gun to be located on both sides than the time for the welding gun G to be located in the center.

이는 연결축(150)과 연결된 이송대(160) 및 이송대(160) 상의 수직조절대(170)측의 용접 건의 이동속도로에 변화를 주는 것이며, 장공(141)의 양측에 중심축이 머무르는 시간을 좌우 이동되는 속도에 비해 길게 갖도록 하여 용접 건을 통한 용접 코팅부(22a)의 비드 형상을 조정하도록 한 것이다. This is to change the movement speed of the welding gun on the side of the feeder 160 and the vertical control unit 170 on the feeder 160 connected to the connecting shaft 150, the central axis stays on both sides of the long hole 141 The bead shape of the welding coating part 22a through the welding gun is adjusted to have a longer time than the left and right moving speeds.

이와 같이 구성된 본 발명인 스크류 용접장치에 대한 작용을 설명하면 다음과 같다.Referring to the action on the screw welding device of the present invention configured as described above are as follows.

먼저, 선반의 공작물을 물리기 위한 연동척에 장착한 스크류(20)에 대해 용접장치(100)의 작업대(111)상에 세팅된 용접 건(G)의 위치를 스크류(20)의 나사산부(22)의 폭에 맞추어 준다.First, the position of the welding gun G set on the workbench 111 of the welding apparatus 100 with respect to the screw 20 mounted on the interlock chuck for biting the workpiece of the lathe is the threaded portion 22 of the screw 20. ) To the width of.

상기 용접 건(G)을 나사산부(22)의 폭에 맞출 수 있도록 함은 회전원판(110)의 안내레일(120)에 설치된 캠부재(130)를 이용하여 연결블럭(140)상의 중심축(131) 위치를 구동모터(M)가 회전하는 중심축(131)으로부터 편심되게 한다.A center axis on the connection block 140 using the cam member 130 installed on the guide rail 120 of the rotating disc 110 to allow the welding gun G to match the width of the threaded portion 22. 131) the position is eccentric from the central axis 131 on which the drive motor (M) rotates.

상기 캠부재(130)의 편심조정은 안내레일(120)로부터 관통 설치되어 캠부재(130)를 연결 지지하는 제1조정나사(132)의 체결 정도로서 편심량을 세팅하도록 한다.The eccentric adjustment of the cam member 130 is installed through the guide rail 120 to set the amount of eccentricity as the fastening degree of the first adjustment screw 132 for connecting and supporting the cam member 130.

상기와 같은 상태에서 스크류의 나사산부 용접 코팅은 구동모터를 통한 회전원한의 회전과 함께 캠부재(130)가 회전되고, 캠부재의 중심축은 회전원판에 대해 편심된 상태에서 회전이 이루어진다.In the above state, the screw coating of the threaded portion of the screw is rotated by the cam member 130 along with the rotation of the rotational force through the drive motor, and the central axis of the cam member is rotated in an eccentric state with respect to the rotation disc.

상기 중심축(131)을 안내하는 연결블럭(140)은 연결축(150)이 직선운동으로 변환되어 연결축 단부와 연결된 이송대(160)는 작업대(111)상에 설치된 레일블럭(113)으로부터 안내되어 좌우로 왕복 운동한다.The connecting block 140 for guiding the central axis 131 has a connecting shaft 150 converted into a linear motion so that the feed table 160 connected to the connecting shaft end is provided from the rail block 113 installed on the working table 111. Guided and reciprocated from side to side.

상기 이송대(160)의 왕복운동은 그 상부에 설치된 수직조절대(170) 측의 용접 건(G)을 좌우로 반복되는 작용으로 용접이 실시된다.The reciprocating movement of the transfer table 160 is performed by the action of repeating the welding gun G on the side of the vertical adjusting unit 170 installed on the upper side from side to side.

이때 저속으로 회전되는 스크류(20)의 나사산부(22) 외측에는 도 6a에서와 같이 비드의 형성으로서 용접 코팅부(22a)가 연속으로 형성되어 나간다. At this time, the outer surface of the threaded portion 22 of the screw 20 rotated at a low speed, as shown in FIG. 6A, the weld coating portion 22a is continuously formed as a bead formation.

상기 연결블럭상에 설치된 제2조정나사를 풀어주면, 도 6에서 도시한 바와 같이 장공 내측에 그 단부가 진입한 상태에서 편심되어 회전되는 중심축이 장공의 제2조정나사와의 거리가 발생한 만큼 장공 양측에서 연결블럭이 연결축에 의해 당겨지고 미는 속도가 가변된다.When the second adjusting screw installed on the connecting block is released, as shown in FIG. 6, the central axis rotated eccentrically and rotated with the second adjusting screw of the long hole as its end enters the inside of the long hole. On both sides of the hole, the speed at which the connecting block is pulled and pushed by the connecting shaft is variable.

즉, 중심축이 장공에 대한 양측에서는 헐거운 상태가 발생하고, 이는 이송대를 좌우로 이송하는 동작에서 수직 조절대상의 용접 건에도 동일한 작용이 발생한다.That is, a loose state occurs at both sides of the central axis for the long hole, and the same action occurs in the welding gun to be vertically adjusted in the movement of the conveyer from side to side.

따라서 스크류의 나사산부에 소정의 두께로 용접 코팅되는 과정은 첨부된 도 7에서와 같이 용접 건이 나사산부의 양측에서 체공되는 시간이 길어짐에 따라 용접되는 두께에 편차가 발생하여 코팅 용접부 양측은 중간지점보다 돌출되는 형태로 용접 코팅이 이루어진다.Therefore, the process of welding coating to the threaded portion of the screw to a predetermined thickness, as shown in Figure 7 attached to the welding gun is longer as the time to be holed on both sides of the threaded portion occurs a deviation in the welded thickness so that both sides of the coating weld portion than the intermediate point The welding coating is made in the form of protrusions.

첨부된 도 8은 도 7에서와 같이 작업된 용접 코팅부(22a)에서 용접 슬래그를 제거한 다음, 선반을 이용한 절삭 공구로서 절삭 가공하여 나사산부의 날개부와 용접 코팅부(22a)의 모서리부분이 반듯하게 절삭된 가공 후를 나타낸 것으로, 이와 같은 용접 코팅부(22a)는 용접 시간이 기존의 비드 형성에 비해 시간이 적게 걸리고, 후 가공성이 간단하게 이루어짐은 물론, 항상 나사산부의 모서리를 반듯한 형태로 가공작업 또한 간단해진다.
Attached FIG. 8 removes the welding slag from the weld coating 22a worked as in FIG. 7, and then cuts it with a cutting tool using a lathe, so that the wing of the threaded portion and the edge of the weld coating 22a are straight. After the cutting process, the welding coating part 22a takes less time than the conventional bead formation, the post-processability is simple, and always the edges of the threaded part are processed in a straight shape. Work is also simplified.

20: 스크류 22a: 용접 코팅부
100: 용접장치 110: 회전원판
111: 작업대 112: 받침블럭
113: 레일블럭 120: 안내레일
130: 캠부재 131: 중심축
132: 제1조정나사 140: 연결블럭
141: 장공 142: 제2조정나사
150: 연결축 160: 이송대
170: 수직조절대 M: 구동모터20: screw 22a: weld coating
100: welding apparatus 110: rotating disc
111: work bench 112: support block
113: rail block 120: guide rail
130: cam member 131: central axis
132: first adjusting screw 140: connecting block
141: long hole 142: second adjusting screw
150: connecting shaft 160: feed tray
170: vertical adjuster M: drive motor

Claims (3)

선반의 베드상으로부터 좌우 이송가능하게 설치된 작업대(111)상에 설치되어 선반에 장착되어 회전하는 스크류(20)의 나사산부(22) 단부에 용접 건(G)을 근접시켜 나사산부의 폭 방향 외측에 용접 코팅부(22a)를 형성하는 용접장치(100)에 있어서,
상기 용접장치(100)는,
작업대(111) 상부에 고정 설치되는 받침블럭(112); 및
받침블럭(112)과 이격 설치되는 레일블럭(113)과;
상기 받침블럭(112) 상부에 설치되는 구동모터(M); 및
구동모터(M)의 회전축상에 설치되는 회전원판(110)과;
상기 회전원판(110)상에 ㄷ자형으로 조합 설치되는 안내레일(120)과;
상기 안내레일(120)에 슬라이딩 가능하게 설치되며, 일측으로부터 중심축(131)이 체결되고, 상기 중심축(131)은 구동모터(M)의 회전축과 편중되도록 조정하기 위한 제1조정나사(132)가 구비된 캠부재(130)와;
상기 캠부재(130)의 중심축(131)이 수용되는 장공(141)이 형성되고, 일측으로부터 장공(141)을 통과하는 중심축(131)을 장공 내에서 위치 조정하는 제2조정나사(142)가 구비된 연결블럭(140)과;
상기 제2조정나사(142)가 설치된 연결블럭(140)의 타측에 연결 설치되어 회전원판(110)의 회전운동을 직선운동으로 변환하는 연결축(150)과;
상기 연결축(150)의 단부와 연결 설치되어 상기 레일블럭(113)으로부터 슬라이딩되는 이송대(160)와;
상기 이송대(160)의 상부로부터 수직되면서 높이조절가능하게 설치되며, 일측에는 상기 용접 건(G)이 탈착가능하게 설치되는 수직조절대(170);를 포함하여 구성된 것을 특징으로 하는 사출용 스크류의 용접장치.The welding gun G is placed close to the end of the threaded portion 22 of the screw 20 mounted on the workbench 111 mounted on the worktable 111 so as to be able to transfer left and right from the bed of the shelf to the outside in the width direction of the threaded portion. In the welding apparatus 100 which forms the welding coating part 22a,
The welding device 100,
Support block 112 is fixedly installed on the worktable 111; And
A rail block 113 spaced apart from the support block 112;
A drive motor (M) installed on the support block 112; And
A rotation disc 110 installed on a rotation shaft of the drive motor M;
A guide rail 120 installed in a U-shape on the rotating disc 110;
The guide rail 120 is slidably installed, the central shaft 131 is fastened from one side, and the central shaft 131 is the first adjustment screw 132 for adjusting to be biased with the rotation shaft of the drive motor (M). Cam member 130 is provided;
The long hole 141 is formed to accommodate the central axis 131 of the cam member 130, the second adjustment screw 142 for adjusting the position in the long hole the central axis 131 passing through the long hole 141 from one side Is provided with a connection block 140;
A connection shaft 150 connected to the other side of the connection block 140 on which the second adjustment screw 142 is installed and converting the rotational movement of the rotation disc 110 into a linear movement;
A transfer table 160 connected to an end of the connection shaft 150 and sliding from the rail block 113;
Injection screw, characterized in that configured; including; vertically adjustable height is installed from the upper portion of the conveying table 160, the height adjuster 170 is detachably installed on one side of the welding gun (G) Welding equipment. 제1항에 있어서,
상기 제2조정나사(142)의 체결조정에 따라 연결블럭(140)의 장공(142)으로부터 중심축(131)에 대한 연결축(150)의 직선운동 속도조정이 이루어지도록 된 것을 특징으로 하는 사출용 스크류의 용접장치.The method of claim 1,
Injection speed adjustment of the linear movement speed of the connecting shaft 150 with respect to the central axis 131 from the long hole 142 of the connecting block 140 in accordance with the fastening adjustment of the second adjustment screw 142 Welding device for screw. 제1항에 있어서,
상기 장공(142)의 길이는 스크류(20)의 나사산부(21) 폭 길이보다 길게 형성된 것을 특징으로 하는 사출용 스크류의 용접장치.
The method of claim 1,
The length of the long hole 142 is the welding device of the injection screw, characterized in that formed longer than the width of the threaded portion (21) of the screw (20).
KR1020110071618A 2011-07-19 2011-07-19 Screw shaft welding equipment for shooting out KR101290084B1 (en)

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