KR200322809Y1

KR200322809Y1 - Apparatus for removing solder-dreg

Info

Publication number: KR200322809Y1
Application number: KR20-2003-0014004U
Authority: KR
Inventors: 장석현
Original assignee: 장석현
Priority date: 2003-05-06
Filing date: 2003-05-06
Publication date: 2003-08-14

Abstract

본 고안은 케이스에 내장된 에어노즐에서 에어를 강하게 분사하여 인두의 팁에 묻은 납찌꺼기를 제거하는 납찌꺼기 제거장치에 관한 것으로서, 케이스(100) 내에 배치된 누름판(200)에 의해 밸브수단(300)이 개폐될 수 있으며, 상기 누름판 (200)에 의해 밸브수단(300)이 개방될 때, 상기 밸브수단(300)을 통과한 에어가 밸브수단(300)과 연결된 분배수단(400)을 통해 에어노즐(500)로 공급되므로서, 상기 에어노즐(500)에서 분사되는 에어에 의해 인두팁(610)에 묻은 납찌거기가 인두팁 (610)에서 탈락되는 것을 특징으로 한다.The present invention relates to a lead debris removal device that removes lead debris from the tip of the iron by injecting air strongly from the air nozzle built into the case, the valve means 300 by the pressing plate 200 disposed in the case 100 ) May be opened and closed, and when the valve means 300 is opened by the pressing plate 200, the air passing through the valve means 300 passes through the distribution means 400 connected to the valve means 300. Since it is supplied to the nozzle 500, the lead residue buried in the iron tip 610 by the air injected from the air nozzle 500 is characterized in that the iron tip 610 is removed.

Description

Applicator for removing solder-dreg}

본 고안은 인두 사용후 팁(tip)에 묻은 납찌꺼기를 제거하는 납찌꺼기 제거장치에 관한 것으로서, 보다 상세하게는 케이스에 내장된 에어노즐에서 에어를 강하게 분사하여 인두의 팁에 묻은 납찌꺼기를 제거하는 납찌꺼기 제거장치에 관한 것이다.The present invention relates to a lead debris removal device for removing lead debris from the tip after use of the iron. More specifically, it removes the lead debris from the tip of the iron by injecting air strongly from the air nozzle built into the case. It relates to a wax dreg removal device.

대한민국 실용신안등록출원 제1992-0010818호(1992년 6월 17일 출원)에 "납땜인두의 팁세척장치"가 소개되어 있다.Korean Utility Model Registration Application No. 1992-0010818 (filed June 17, 1992) introduces a "tip cleaning device for soldering iron".

그러나, 상기 납땜인두의 팁세척장치는 물을 머금고 회전하고 있는 세척 로울러들 사이에 인두의 팁을 집어넣어 납찌꺼기를 제거하기 때문에, 납찌꺼기를 제거할 때, 인두팁의 온도가 하강하여 다시 작업온도가 되기까지 오랫동안 작업을 대기하여야 하는 단점이 있다.However, since the tip cleaning device of the soldering iron removes the dregs by inserting the tip of the iron between the rotating washing rollers with water, the tip of the iron tip decreases when the dregs are removed. The disadvantage is that the work must be waited for a long time until the temperature is reached.

따라서, 본 고안의 목적은 케이스에 내장된 복수개의 에어노즐에서 에어를 강하게 분사하여 인두의 팁에 묻은 납찌꺼기를 제거하므로서, 납찌꺼기를 제거할 때 인두팁의 온도가 작업온도 이하로 내려가지 않아 냉간납땜의 염려가 없고, 작업시간을 단축할 수 있으며, 납땜 작업에 편리하게 사용할 수 있는 납찌꺼기 제거장치를 제공하는 것이다.Therefore, the object of the present invention is to spray the air from a plurality of air nozzles built in the case to remove the lead residue on the tip of the iron, so that the temperature of the iron tip does not fall below the working temperature when removing the lead residue cold There is no fear of soldering, it is possible to shorten the working time, and to provide a lead debris removal device that can be conveniently used for soldering work.

도 1는 본 고안에 따른 납찌거기 제거장치를 도시한 분해 단면도Figure 1 is an exploded cross-sectional view showing a wax dreg removal device according to the present invention

도 2는 인두팁이 삽입된 상태의 납찌꺼기 제거장치를 도시한 단면도Figure 2 is a cross-sectional view showing a device for removing lead debris in the state that the iron tip is inserted

도 3은 케이스를 도시한 사시도3 is a perspective view showing a case

도 4는 누름판을 도시한 사시도4 is a perspective view showing the pressing plate;

도 5는 밸브수단이 케이스에 장착되는 예를 도시한 배면도5 is a rear view showing an example in which the valve means is mounted to the case;

도 6 및 닫힌 상태의 밸브수단을 도시한 단면도6 and a cross-sectional view showing the valve means in the closed state

도 7은 열린 상태의 밸브수단을 도시한 단면도7 is a sectional view showing the valve means in the open state;

도 8은 분배수단을 도시한 정면도8 is a front view showing the dispensing means;

상기와 같은 목적을 달성하기 위한 본 고안의 바람직한 실시예를 첨부도면을 참조하여 상세하게 설명하기로 한다.With reference to the accompanying drawings, a preferred embodiment of the present invention for achieving the above object will be described in detail.

도 1 및 도 2를 참조하면, 본 고안에 따른 납찌꺼기 제거장치는 케이스(100) 내에 배치된 누름판(200)에 의해 밸브수단(300)이 개폐될 수 있으며, 상기 누름판(200)에 의해 밸브수단(300)이 개방될 때, 상기 밸브수단(300)을 통과한 에어가 밸브수단(300)과 연결된 분배수단(400)을 통해 에어노즐(500)로 공급되므로서, 상기 에어노즐(500)에서 분사되는 에어에 의해 인두팁(610)에 묻은 납찌거기가 인두팁(610)에서 탈락된다.1 and 2, in the lead debris removing device according to the present invention, the valve means 300 may be opened and closed by a pressing plate 200 disposed in the case 100, and the valve may be opened by the pressing plate 200. When the means 300 is open, the air passing through the valve means 300 is supplied to the air nozzle 500 through the distribution means 400 connected to the valve means 300, the air nozzle 500 In the air is injected from the naphtha stained on the iron tip 610 is dropped from the iron tip (610).

상기와 같이 구성된 본 고안에 따른 납찌거기 제거장치는 사용자가 누름판(200)의 팁삽입구멍(210)으로 인두(600)의 인두팁(610)을 삽입하면, 인두팁(610)에 연결된 생크부(620)의 선단부(621)가 누름판(200)에 걸려 상기 누름판(200)이 눌려진다. 이것에 의해, 상기 누름판(200)이 하부에 배치된 밸브수단 (300)의 밸브스템(310)을 누름으로서, 상기 밸브수단(300)이 개방되며, 밸브수단 (300)으로 공급되는 에어가 상기 분배수단(400)을 통해 에어노즐(500)에서 분사됨으로서, 인두팁(610)에 묻은 납찌거기가 에어에 의해 인두팁(610)에서 떨어지게 된다. 상기와 같이, 본 발명에 따른 납찌꺼기 제거장치는 에어에 의해 인두팁에 묻은 납찌꺼기를 빠르게 제거할 수 있으며, 열전도에 의한 인두팁의 온도저하를 방지할 수 있어, 작업온도 이하로 내려가지 않아 냉간납땜의 염려가 없고, 작업시간을 단축할 수 있다.In the lead extraction device according to the present invention configured as described above, when the user inserts the iron tip 610 of the iron 600 into the tip insertion hole 210 of the pressing plate 200, the shank portion 620 connected to the iron tip 610. The tip end portion 621 of the) is caught by the pressing plate 200, the pressing plate 200 is pressed. As a result, the valve plate 300 is opened by pressing the valve stem 310 of the valve means 300 in which the pressing plate 200 is disposed, and the air supplied to the valve means 300 is discharged. As it is injected from the air nozzle 500 through the distribution means 400, the wax residue on the iron tip 610 is separated from the iron tip 610 by air. As described above, the apparatus for removing lead debris according to the present invention can quickly remove the lead residue adhering to the iron tip by air, and to prevent the temperature drop of the iron tip due to heat conduction, so that it does not fall below the working temperature, cold soldering There is no concern and the working time can be shortened.

도 1 및 도 3을 참조하면, 상기 케이스(100)는 상부면(110)의 중앙에 형성된 상부 개구부(111)가 형성되며, 상기 상부 개구부(111)가 캡(120)에 의해 커버되고, 정면 경사부(130)에 다수의 에어배출구멍(131)이 형성되며, 하부 개구부(140)에 고무판(150)이 착탈가능하게 장착되고, 후방 오목부(160)에 밸브수단(300)용 니플 (350)이 배치된다. 상기 니플(350)이 에어호스(도시하지 않음)에 의해 콤프레셔 등의 에어공급수단(도시하지 않음)과 연결되므로서, 밸브수단(300)으로 에어가 공급될 수 있다.1 and 3, the case 100 has an upper opening 111 formed in the center of the upper surface 110, and the upper opening 111 is covered by a cap 120, and the front surface of the case 100 is covered with a cap 120. A plurality of air discharge holes 131 are formed in the inclined portion 130, the rubber plate 150 is detachably mounted in the lower opening 140, and the nipple for the valve means 300 in the rear recess 160. 350 is disposed. Since the nipple 350 is connected to an air supply means (not shown) such as a compressor by an air hose (not shown), air may be supplied to the valve means 300.

도 3을 참조하면, 상기 상부 개구부(111)는 측벽(112)의 전방 상단에 장착홈 (113)이 형성된 장착부재(114)가 일체로 형성되고, 상기 측벽(112)의 하단에 스톱퍼 돌기(115)가 형성된다. 이것에 의해, 상기 장착부재(114)의 장착홈(113)에 누름판(200)의 장착부(235)가 회전가능하게 장착되고, 상기 스톱퍼 돌기(115)에 의해 누름판(200)의 센터 수평부(211)가 위로 상승되는 것을 제한된다.Referring to FIG. 3, the upper opening 111 is integrally formed with a mounting member 114 having a mounting groove 113 formed at a front upper end of the side wall 112, and a stopper protrusion (below) at the bottom of the side wall 112. 115) is formed. As a result, the mounting portion 235 of the pressing plate 200 is rotatably mounted in the mounting groove 113 of the mounting member 114, and the center horizontal portion () of the pressing plate 200 is mounted by the stopper protrusion 115. 211) is limited to rise above.

상기 캡(120)은 중앙에 인두삽입구멍(121)이 형성된 내측 수평부(123)가 경사부(125)에 의해 외측 수평부(127)와 일체로 형성되고, 상기 외측 수평부(127)의 테두리부(129)가 케이스(100)의 상부 개구부(111)의 둘레에 형성된 돌기부(117)에 끼워맞춤방식으로 고정된다.The cap 120 has an inner horizontal portion 123 having a pharyngeal insertion hole 121 formed in the center thereof and is integrally formed with the outer horizontal portion 127 by an inclined portion 125. The edge portion 129 is fixed to the protrusion 117 formed around the upper opening 111 of the case 100 in a fitting manner.

도 1을 참조하면, 상기 고무판(150)은 테두리에 형성된 내측 걸림턱(151)이 케이스(100)의 하단에 형성된 외측 돌기부(141)에 걸림으로써, 케이스(100)의 밑판 역할을 할 수 있으며, 고무의 자체 탄성력에 의해 내측 걸림턱(151)이 케이스(100)의 외측 돌기부(141)에서 탈부착될 수 있다. 이것에 의해. 상기 고무판(150)에 납찌꺼기가 쌓이면, 상기 고무판(150)을 분리하여 납찌꺼기를 제거한 후, 다시 상기 고무판(150)을 케이스(100)에 장착할 수 있다.Referring to FIG. 1, the rubber plate 150 may serve as a bottom plate of the case 100 by catching the inner locking jaw 151 formed at the edge by the outer protrusion 141 formed at the bottom of the case 100. The inner locking jaw 151 may be detached from the outer protrusion 141 of the case 100 by the elastic force of the rubber. By this. When the debris accumulates on the rubber plate 150, the rubber plate 150 may be separated to remove the debris, and then the rubber plate 150 may be mounted on the case 100.

도 4를 참조하면, 상기 누름판(200)는 팁삽입구멍(210)이 형성된 센터 수평부(211)의 전후방에서 제 1 및 제 2 경사부(221, 231)가 상부로 경사지게 형성되고, 상기 제 1 경사부(221)의 상단에서 자유단 수평부(223)가 절곡되어 연장되고, 상기 제 2 경사부(231)에서 장착 수평부(233)가 형성되고, 상기 장착 수평부(233)에 반원호 형태의 장착부(235)가 형성되며, 상기 장착 수평부(233)의 양단에 오목부(237)가 형성된다.Referring to FIG. 4, in the pressing plate 200, first and second inclined portions 221 and 231 are formed to be inclined upward in front and rear of the center horizontal portion 211 where the tip insertion hole 210 is formed. A free end horizontal portion 223 is bent and extended at an upper end of the first inclined portion 221, a mounting horizontal portion 233 is formed at the second inclined portion 231, and a semicircle at the mounting horizontal portion 233. An arc-shaped mounting portion 235 is formed, and recesses 237 are formed at both ends of the mounting horizontal portion 233.

상기 팁삽입구멍(210)은 타원형상으로 단축의 길이(d)가 인두의 생크부 직경보다 작고 인두팁의 직경보다 크게 형성된다.The tip insertion hole 210 has an elliptical shape, the length d of which short axis is smaller than the diameter of the shank portion of the pharynx and larger than the diameter of the iron tip.

이것에 의해, 상기 누름판(200)은 전체가 케이스 내에 배치되기 때문에 인두팁에서 탈락된 납찌꺼기가 외부로 튀는 것을 방지할 수 있다. 또한, 장착부(235)가 케이스(100)의 장착부재(114)의 장착홈(113)에 장착되어 회전될 때, 오목부(137)가 형성되어 있어, 장착부재(114)에 의한 간섭이 방지된다.As a result, since the entirety of the pressing plate 200 is disposed in the case, it is possible to prevent the lead dregs dropped from the tip of the iron from splashing to the outside. In addition, when the mounting portion 235 is mounted in the mounting groove 113 of the mounting member 114 of the case 100 and rotated, a recess 137 is formed, thereby preventing interference by the mounting member 114. do.

도 5를 참조하면, 상기 밸브수단(300)은 상부 케이스(320)와 하부 케이스 (330)가 나사(360)에 의해 결합되고, 상부 케이스(320)의 양측면에 플랜지부(321)가 형성되어, 상기 플랜지(321, 322)가 케이스(100)의 플랜지부(170)와 나사(370)에 의해 체결된다. 이것에 의해 상기 밸브수단(300)은 케이스(100)에 고정될 수 있다.Referring to FIG. 5, in the valve means 300, the upper case 320 and the lower case 330 are coupled by screws 360, and flange parts 321 are formed on both sides of the upper case 320. The flanges 321 and 322 are fastened by the flange 170 and the screw 370 of the case 100. As a result, the valve means 300 may be fixed to the case 100.

도 6 및 도 7을 참조하면, 또한, 상기 밸브수단(300)은 상부 케이스(320)와 하부 케이스(330) 사이에 배치되는 중간원통부재(350)의 중공구멍(351)이 중간부분에서 하단으로 갈수록 확대되어, 밸브스템(310)의 하부스풀(311)이 상기 중간원통부재(350)의 중공구멍(351) 상단부에 위치할 때, 상기 하부스풀(311)에 장착된 패킹(313)에 의해 중간원통부재(350)의 중공구멍(351)이 차단되고, 상기 밸브스템 (310)의 하부스풀(311)이 중간원통부재(350)의 중공구멍(351) 하단부에 위치할 때 중공구멍(351)과 패킹(313) 사이에 간극(S)이 형성되어, 하부 케이스(330)로 유입된 에어가 상기 간극(S)을 통해 상부 케이스(310)로 공급될 수 있게 되며, 상기 밸브스템(310)의 하단에 스프링(380)이 배치되어 상기 밸브스템(310)이 하강할 때 압축되어, 밸브스템(310)에 가해진 힘이 제거되면 원상태로 복원되면서 상기 밸브스템(310)을 상부로 밀어올림으로서, 중간원통부재(350)의 중공구멍(351)이 패킹 (313)에 의해 차단된다.6 and 7, the valve means 300 also has a hollow hole 351 of the intermediate cylindrical member 350 disposed between the upper case 320 and the lower case 330 at the lower end in the middle portion. When the lower spool 311 of the valve stem 310 is positioned at the upper end of the hollow hole 351 of the intermediate cylindrical member 350, the packing 313 mounted to the lower spool 311 is expanded. When the hollow hole 351 of the intermediate cylindrical member 350 is blocked, and the lower spool 311 of the valve stem 310 is located at the lower end of the hollow hole 351 of the intermediate cylindrical member 350, the hollow hole ( A gap S is formed between the 351 and the packing 313 so that air introduced into the lower case 330 can be supplied to the upper case 310 through the gap S, and the valve stem Spring 380 is disposed at the lower end of the 310 is compressed when the valve stem 310 is lowered, restoring to the original state when the force applied to the valve stem 310 is removed By pushing the valve stem 310 upward while the hollow hole 351 of the intermediate cylindrical member 350 is blocked by the packing 313.

상기 밸브스템(310)에는 상부스풀(315)이 형성되고, 상기 상부스풀(315)의 둘레에 패킹(317)이 배치되어 상부 케이스(320)의 구멍(321)으로 에어가 배출되는 것을 방지한다.An upper spool 315 is formed in the valve stem 310, and a packing 317 is disposed around the upper spool 315 to prevent air from being discharged through the hole 321 of the upper case 320. .

상기 분배수단(400)은 밸브수단(300)의 상부 케이스(320)에 상부 패널(410)이 소정의 각도(a)로 경사지게 일체로 형성되고, 상기 상부 패널(410)에 하부 패널 (420)이 결합되며, 상기 하부 패널(420)의 에어통로(421)가 형성되며, 상기 에어통로(421)가 연결되도록 에어노즐(500)이 하부패널(420)에 장착된다. 이것에 의해 상기 에어노즐(500)은 수평축선(X)에 대해 소정의 각도(a)로 경사지게 배치된다. 따라서, 도 2에 있어서, 상기 에어노즐(500)에서 분사되는 에어에 의해 인두팁(610)에 묻은 납찌꺼기가 고무판(150)으로 떨어질 수 있으며, 에어노즐(500)에서 분사된 에어는 케이스(100)의 에어배출구멍(131)을 통해 배출되어, 인두삽입구멍(121)으로 역류하지 않게 되며, 납찌꺼기는 자중에 의해 에어와 함께 에어배출구멍(131)으로 배출되지 않게 된다.The distribution means 400 is integrally formed in the upper case 320 of the valve means 300 so as to be inclined at a predetermined angle (a), and the lower panel 420 in the upper panel 410. Is coupled, the air passage 421 of the lower panel 420 is formed, the air nozzle 500 is mounted to the lower panel 420 so that the air passage 421 is connected. As a result, the air nozzle 500 is disposed to be inclined at a predetermined angle a with respect to the horizontal axis X. Accordingly, in FIG. 2, the wax residue buried in the iron tip 610 may be dropped onto the rubber plate 150 by the air injected from the air nozzle 500, and the air injected from the air nozzle 500 may be the case 100. Is discharged through the air discharge hole 131, so as not to flow back into the pharyngeal insertion hole 121, and the lead residue is not discharged to the air discharge hole 131 with air by its own weight.

상기 에어통로(421)는 도 8에 도시된 바와같이, 상단에서 "T" 형상으로 분기되며, 분기된 매니폴터부(423)에 복수개의 에어노즐(500)이 각각 장착된다.As shown in FIG. 8, the air passage 421 is branched in a “T” shape at the top, and a plurality of air nozzles 500 are mounted on the branched manifold portion 423, respectively.

위에서 설명한 바와같이, 본 고안에 따른 납찌꺼기 제거장치는 에어노즐에서 강하게 분사되는 에어가 인두의 팁에 묻은 납찌꺼기를 제거하기 때문에, 납찌거기를 짧은 시간에 간편하게 제거할 수 있어, 납찌꺼기를 제거할 때 인두팁의 온도가 작업온도 이하로 내려가는 것을 방지할 수 있어, 납땜작업시간을 단축할 수 있는 효과가 있다.As described above, since the wax dreg removal device according to the present invention removes the dregs that are strongly injected from the air nozzles on the tip of the iron, the dregs can be easily removed in a short time, thereby removing the dregs. When the iron tip temperature is lowered below the working temperature can be prevented, there is an effect that can shorten the soldering work time.

Claims

The valve means 300 may be opened and closed by the pressing plate 200 disposed in the case 100. When the valve means 300 is opened by the pressing plate 200, the valve means 300 passes through the valve means 300. Air is supplied to the air nozzle 500 through the distribution means 400 connected to the valve means 300, so that the wax residue buried in the iron tip 610 by the air injected from the air nozzle 500, the iron tip 610 Wax debris removal device characterized in that the drop out.

The method of claim 1,

The case 100 has an upper opening 111 formed in the center of the upper surface 110, the upper opening 111 is covered by a cap 120, a plurality of air in the front inclined portion 130 A discharge hole 131 is formed, the rubber plate 150 is detachably mounted to the lower opening 140, and the nipple 350 for the valve means 300 is disposed in the rear recess 160. Lead debris removal device.

The method of claim 2,

The upper opening 111 is integrally formed with a mounting member 114 having a mounting groove 113 formed at a front upper end of the side wall 112, and a stopper protrusion 115 formed at a lower end of the side wall 112. Characterized by the dregs removal device.

The method of claim 2,

The cap 120 has an inner horizontal portion 123 having a pharyngeal insertion hole 121 formed in the center thereof and is integrally formed with the outer horizontal portion 127 by an inclined portion 125. Edge portion 129 is a lead debris removal device, characterized in that fixed to the projection 117 formed around the upper opening 111 of the case (100).

The method of claim 2,

The rubber plate 150 may act as a bottom plate of the case 100 by locking the inner locking jaw 151 formed at the rim to the outer protrusion 141 formed at the lower end of the case 100, and having a self-elastic force of the rubber. By the inner locking jaw 151 is a lead debris removal device, characterized in that detachable from the outer protrusion 141 of the case 100.

The method of claim 1,

The pressing plate 200 is formed with the first and second inclined portions 221 and 231 inclined upward in front and rear of the center horizontal portion 211 where the tip insertion hole 210 is formed, and the first inclined portion 221. The free end horizontal portion 223 is bent and extended at the upper end of the mounting portion, and the mounting horizontal portion 233 is formed at the second inclined portion 231, and the mounting portion 235 having a semicircular arc shape on the mounting horizontal portion 233. ) Is formed, the debris removal device, characterized in that the recessed portion (237) is formed at both ends of the mounting horizontal portion (233).

The method of claim 1,

The tip insertion hole 210 is elliptical in shape, the length of the short axis (d) is smaller than the diameter of the shank portion of the pharynx and the lead debris removal device, characterized in that formed.

The method of claim 1,

The valve means 300 is the upper case 320 and the lower case 330 is coupled by a screw 360, the flange portion 321 is formed on both sides of the upper case 320, the flange 321, 322 is a lead debris removal device, characterized in that fastening by the flange portion 170 and the screw 370 of the case (100).

The method of claim 1,

The valve means 300 is a hollow hole 351 of the intermediate cylindrical member 350 disposed between the upper case 320 and the lower case 330 is enlarged from the middle portion to the lower end, the valve stem 310 of the When the lower spool 311 is located at the upper end of the hollow hole 351 of the intermediate cylindrical member 350, the hollow hole of the intermediate cylindrical member 350 is formed by a packing 313 mounted to the lower spool 311. 351 is blocked, and the gap between the hollow hole 351 and the packing 313 when the lower spool 311 of the valve stem 310 is located at the lower end of the hollow hole 351 of the intermediate cylindrical member 350. S) is formed, and the air introduced into the lower case 330 can be supplied to the upper case 310 through the gap S, and the spring 380 is disposed at the lower end of the valve stem 310. When the valve stem 310 is lowered, it is compressed, and when the force applied to the valve stem 310 is removed, the valve stem 310 is restored to its original state and the valve stem 310 is raised. A push-up as the hollow hole 351 of the intermediate cylinder member 350, a packing 313 is removed, characterized in that lead residue is blocked by the device.

The method of claim 9,

An upper spool 315 is formed in the valve stem 310, and a packing 317 is disposed around the upper spool 315 to prevent air from being discharged through the hole 321 of the upper case 320. Lead debris removal device, characterized in that.

The method of claim 1,

The distribution means 400 is integrally formed in the upper case 320 of the valve means 300 so as to be inclined at a predetermined angle (a), and the lower panel 420 in the upper panel 410. Is coupled, the air passage 421 of the lower panel 420 is formed, the removal of naphtha, characterized in that the air nozzle 500 is mounted on the lower panel 420 so that the air passage 421 is connected to Device.

In paragraph 11

The air passage (421) is branched in a "T" shape at the top, the lead residue removal device, characterized in that a plurality of air nozzles 500 are mounted to the branched manifold portion (423), respectively.

The method of claim 1,

The air nozzle 500 is a lead residue removal device, characterized in that arranged inclined at a predetermined angle (a) with respect to the horizontal axis (X).