KR960002991Y1 - Spot welding device - Google Patents
Spot welding device Download PDFInfo
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- KR960002991Y1 KR960002991Y1 KR2019930010170U KR930010170U KR960002991Y1 KR 960002991 Y1 KR960002991 Y1 KR 960002991Y1 KR 2019930010170 U KR2019930010170 U KR 2019930010170U KR 930010170 U KR930010170 U KR 930010170U KR 960002991 Y1 KR960002991 Y1 KR 960002991Y1
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- South Korea
- Prior art keywords
- welding
- electrode
- welding head
- spot welding
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3009—Pressure electrodes
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/312—Electrode holders and actuating devices therefor for several electrodes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
내용 없음.No content.
Description
제1도는 종래의 점용접장치를 보이는 측면도.1 is a side view showing a conventional spot welding apparatus.
제2도는 본 고안에 따른 점용접장치를 보이는 분리 사시도.Figure 2 is an exploded perspective view showing a spot welding apparatus according to the present invention.
제3도는 (a)(b)는 본 고안 점용접장치의 작동을 보이는 측면도.Figure 3 (a) (b) is a side view showing the operation of the present spot welding device.
제4도는 본 고안의 다른 실시예를 보이는 측면도이다.4 is a side view showing another embodiment of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
11 : 메인용접헤드(main welder head)12 : 서브 용접헤드(sub welder head)11: main welder head 12: sub welder head
13,14 : 전극봉 17 : 조정로드(adjusting rod)13,14: electrode 17: adjusting rod
19 : 조정노브(adjusting knob) 18 : 가이드로드(guide rod)19: adjusting knob 18: guide rod
본 고안은 저항용접(resistance welding)에 관한 것으로서, 더 상세하게는 복수의 용접점을 가지는 박판(薄板)의 용접에 적합한 점용접(sopt welding)장치에 관한 것이다.The present invention relates to resistance welding, and more particularly, to a spot welding device suitable for welding a thin plate having a plurality of welding points.
일반적으로 점용접법은 두 전극 사이에 접합될 판재를 위치시키고 이에 대전류의 전압을 인가하여 접촉저항에 의한 발열로 그 접촉면을 용융시킨 뒤 가압하여 접합하는 방법이다. 이러한 점용접법은 별도의 용접봉이 필요치 않고 용접부가 청결하여 비교적 얇은 도전성 재질의 판재 접합에 여러 산업분야에서 널리 사용되고 있다.In general, spot welding is a method of placing a plate to be bonded between two electrodes and applying a large current voltage thereto to melt the contact surface with heat generated by contact resistance and pressurize it. The spot welding method is widely used in various industrial fields for joining a plate of a relatively thin conductive material because the welding part is clean without requiring a separate electrode.
예를 들어 음극선관 제조에 있어서도 프레임(frame)에 인너쉴드(inner shield), 홀더 스프링(holder spring) 등의 용접이나 전자총 어셈블리(electron gun assmbly)의 제작시 각 전극 및 게터(getter)등의 용접에 널리 사용되고 있다.For example, in the manufacture of cathode ray tubes, welding of an inner shield, a holder spring, or the like to a frame, or welding of electrodes and getters when manufacturing an electron gun assmbly is performed. It is widely used in.
제1도는 이러한 점용접법의 일례로서 전자총 어셈블리의 게터에 지지스프링을 용접사는 구성이다. 게터(G)는 음극선관내의 적정위치에 위치될 수 있도록 판상의 지지스프링(S)에 의해 전차총 어셈블리에 고정되는바, 지지스프링(S)과 게터(G)는 안정된 고정을 위해 통상 두 지점이 용접된다. 즉, 게터(G)가 세팅(setting)된 지그(jig; 1)를 하부전극(2)상에 세팅하고 게터(G)의 접합면에 지지스프링(S)을 접촉시킨 뒤, 전극봉(3)을 용접할 어느 한지점에 접촉시켜 가압 및 통전시킴으로써 한 지점의 용접을 완료한 다음 그 전극봉(3)을 이동시켜 다른 지점을 용접하는 것이다.1 is an example of such a spot welding method, in which a welder welds a support spring to a getter of an electron gun assembly. The getter (G) is fixed to the tank gun assembly by a plate-like support spring (S) so that it can be positioned in the cathode ray tube. The support spring (S) and the getter (G) are usually two points for stable fixing. This is welded. That is, after setting the jig 1 having the getter G set on the lower electrode 2 and contacting the support spring S to the joint surface of the getter G, the electrode rod 3 After contacting one point to be welded and pressurized and energized to complete the welding of one point, the electrode (3) is moved to weld another point.
그런데 이러한 종래의 점용접장치는 전극봉(3)이 하나밖에 없으므로 두점 또는 그 이상의 용접점을 가지는 접합물을 용접할 시에는 전극봉(3)을 접합물의 각 용접점으로 이동시키면서 용접작업을 수행해야 하는 번거로움이 있다. 따라서 작업이 자주 중단되는 등 용접작업의 효율이 매우 낮을 뿐 아니라 생산성 저하의 원인이 된다.However, since the conventional spot welding apparatus has only one electrode 3, when welding a joint having two or more welding points, the welding operation must be performed while moving the electrode 3 to each welding point of the joint. There is a hassle. Therefore, the efficiency of welding work is very low, such as the work is frequently interrupted, it is a cause of productivity decrease.
본 고안의 목적은 상술한 종래의 문제를 감안하여 적어도 두지점의 용접을 동시에 수행할수 있는 점용접장치를 제공하는 것이다.It is an object of the present invention to provide a spot welding apparatus capable of simultaneously performing at least two welding points in view of the above-described conventional problems.
본 고안의 다른 목적은 각 용접점의 간격에 대응되도록 전극봉의 위치를 조절할 수 있는 점용접장치를 제공하는 것이다.Another object of the present invention is to provide a spot welding apparatus that can adjust the position of the electrode to correspond to the interval of each welding point.
이와 같은 목적들을 달성하기 위해 본 고안의 점용접장치는 , 전극봉을 지지하며 측면에 가이드 로드를 가지는 메인용접헤드와, 이 메인용접헤드의 가이드 로드에 이동가능하게 설치되며 전극봉을 지지하는 적어도 하나의 서브 용접헤드와, 메인용접헤드에 대한 서브용접헤드의 상대위치를 조절하는 조정로드 및 조정노브를 구비하여 구성된 것을 특징으로 한다.In order to achieve the above objects, the spot welding apparatus of the present invention includes a main welding head supporting an electrode and having a guide rod on the side thereof, and at least one movable member installed on the guide rod of the main welding head and supporting the electrode. And a adjusting rod and an adjusting knob for adjusting the relative position of the sub welding head and the sub welding head relative to the main welding head.
이에 따라 본 고안은, 복수위 용접점을 가지는 접합물의 적어도 두 지점을 동시에 용접할 수 있으므로 용접작업의 효율향상 및 생산성 향상에 큰 효과가 있다.Accordingly, the present invention can weld at least two points of a joint having a plurality of welding points at the same time, thereby greatly improving the efficiency and productivity of the welding operation.
이하 첨부된 도면을 참조하여 본 고안의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
제2도 및 제3도에서 보는 바와 같이 본 고안에 따른 점용접장치는 메인용접헤드(11)와 서브 용접헤드(12)를 구비하여 각 용접헤드(11)(12)에는 전극봉(13)(14)이 고정나사(15)(16)에 의해 고정된다. 바람직하기로 각 전극봉(13)(14)은 상,하 높이조절이 가능하도록 용접헤드(11)(12)에 대해 각각 분리결합가능하게 설치된다. 메인용접헤드(11)의 일측면에는 한쌍의 가이드로드(18)와 조정로드(17)가 서로 나란하게 설치되며, 이들중 조정로드(17)의 외주면에는 나사가 형성된다. 서브용접헤드(12)각 두 로드(17)(18)와 대응되는 위치에 관통구멍(12a)(12b)이 형성되어 조정로드(17)에 이동가능하게 설치된다. 외주면에 나사가 형성된 조정로드(17)에는 메인용접헤드(11)에 대한 서브용접헤드(12)의 상대위치를 조절하는 한쌍의 조정노브(19)가 서브용접헤드(12)의 양측면에 각각 접촉되도록 나사결합된다. 이 조정노브(19)는 바람직하기로 서브용접헤드(12)에 회전 가능하게 결합되는 단일 몸체로 구성될수도 있다.As shown in FIGS. 2 and 3, the spot welding apparatus according to the present invention includes a main welding head 11 and a sub welding head 12, and each of the welding heads 11 and 12 includes an electrode rod 13 ( 14 is fixed by fixing screws 15 and 16. Preferably, each electrode 13, 14 is installed detachably coupled to the welding head (11, 12) so that the height can be adjusted up and down. On one side of the main welding head 11, a pair of guide rods 18 and adjustment rods 17 are installed side by side with each other, of which screws are formed on the outer circumferential surface of the adjustment rods 17. Through holes 12a and 12b are formed at positions corresponding to the two rods 17 and 18 of the sub-welding heads 12, respectively, and are installed in the adjustment rod 17 so as to be movable. In the adjusting rod 17 with a screw formed on the outer circumferential surface, a pair of adjusting knobs 19 for adjusting the relative position of the sub welding head 12 with respect to the main welding head 11 respectively contact the both sides of the sub welding head 12. Screwed together. This adjusting knob 19 may preferably consist of a single body which is rotatably coupled to the sub-welding head 12.
한편, 메인용접헤드(11)의 생크(shank: 11a)는 각 전극봉(13)(14)이 접합물을 가압할 수 있도록 액츄에이터(actuator) 등의 실린더 로드(cylinder rod)에 연결된다.On the other hand, the shank 11a of the main welding head 11 is connected to a cylinder rod such as an actuator so that each of the electrodes 13 and 14 can pressurize the joint.
이와 같은 구조적 특징을 가지는 본 고안에 따른 점용접장치의 작동을 게터에 지지스프링의 접합하는 구성을 예로써 설명하면 다음과 같다.Referring to the configuration of bonding the support spring to the getter to operate the spot welding apparatus according to the present invention having such a structural feature as follows.
제3도(a)에 도시된 바와 같이 먼저 하부전극(20)상에 세팅된 지그(21)에 게터(G)를 세팅하고 이의 접합면에 지지스프링(S)을 접촉시킨다. 이와 같은 상태에서, 조정노브(19)를 풀어 각 전극봉(13)(14)이 접함물의 용접될 두지점에 대응되도록 서브용접헤드(12)를 이동시킨 뒤 조정노브(19)를 조여 서브용접헤드(12)를 소정위치에 고정한다. 다음 각 전극봉(13)(14)을 지지스프링(S)의 용접점에 접촉시킨 뒤 가압 및 통전시킴으로서 두 지점을 동시에 용접한다.As shown in FIG. 3A, first, the getter G is set on the jig 21 set on the lower electrode 20, and the support spring S is brought into contact with the bonding surface thereof. In this state, loosen the adjusting knob 19 and move the sub welding head 12 so that each electrode 13, 14 corresponds to the two points to be welded to the joint, and then tighten the adjusting knob 19 to tighten the sub welding head. (12) is fixed to a predetermined position. Next, the electrodes 13 and 14 are contacted to the welding points of the support springs S and pressurized and energized to weld the two points at the same time.
한편, 본 고안의 점용접장치는 제3도(b)에 도시된 바와 같이 전극봉(13)(14)의 높이를 조절함으로써 높이가 서로 다른 두 용접점을 가지는 접합물도 동시에 용접할수 있다.On the other hand, the spot welding apparatus of the present invention can also weld the joint having two welding points of different heights at the same time by adjusting the height of the electrodes 13, 14 as shown in FIG.
이상의 설명에서 서브용접헤드(12)가 하나만 구비되는 것으로 설명되었으나, 이는 단순히 예시의 목적일 뿐 본 고안은 이에 한정되는 것은 아니며 다양한 형태로의 변경이 가능하다. 예를 들어 제4도에 도시된 바와 같이 메인용접헤드(11)의 양측에 각각 서브용접헤드(12)(12')가 설치될 수도 있다.In the above description, it has been described that only one sub welding head 12 is provided, but this is merely for illustrative purposes, and the present invention is not limited thereto and may be changed in various forms. For example, as shown in FIG. 4, sub-welding heads 12 and 12 ′ may be provided at both sides of the main welding head 11, respectively.
이상과 같이 본 고안에 의하면, 접합물의 복수의 용접점을 한 번의 작업으로 동시에 용접할 수 있을 뿐아니라 접합물의 용접점 간격에 대응되도록 각 전극봉 위치를 조절할 수 있으므로 그 작업이 지극히 간단함은 물론 연속작업이 가능해진다.According to the present invention as described above, not only can weld a plurality of welding points of the joint at the same time in a single operation, but also adjust the position of each electrode to correspond to the welding point spacing of the joint, so the operation is extremely simple and continuous. Work is possible.
따라서 본 고안은, 용접작업의 효율향상 및 생산성 향상에 큰효과를 발휘하게 된다.Therefore, the present invention has a great effect on improving the efficiency and productivity of the welding operation.
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Application Number | Priority Date | Filing Date | Title |
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KR2019930010170U KR960002991Y1 (en) | 1993-06-11 | 1993-06-11 | Spot welding device |
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KR2019930010170U KR960002991Y1 (en) | 1993-06-11 | 1993-06-11 | Spot welding device |
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KR950002180U KR950002180U (en) | 1995-01-04 |
KR960002991Y1 true KR960002991Y1 (en) | 1996-04-12 |
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KR2019930010170U Expired - Fee Related KR960002991Y1 (en) | 1993-06-11 | 1993-06-11 | Spot welding device |
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