JP2014004573A - Liquid spray device - Google Patents

Liquid spray device Download PDF

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JP2014004573A
JP2014004573A JP2012156959A JP2012156959A JP2014004573A JP 2014004573 A JP2014004573 A JP 2014004573A JP 2012156959 A JP2012156959 A JP 2012156959A JP 2012156959 A JP2012156959 A JP 2012156959A JP 2014004573 A JP2014004573 A JP 2014004573A
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liquid
spray
gas
tube
syringe
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Minoru Nakamura
稔 中村
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Abstract

PROBLEM TO BE SOLVED: To provide a liquid spray device comprising a liquid delivering pump for surely supplying predetermined liquid to a spray gun and a spray gun for spraying entirely and surely the supplied liquid, which can discharge liquid at a speed of 0.01 cc/second by spray applying 0.01 mm in thickness, 20 mm in width and 50 mm in length at one second for example, in forming a coat.SOLUTION: The liquid spray device for middle to high viscosity comprises a syringe pump, a spray gun and a controller as a control means for the pump and the gun, supply of liquid to the spray gun is started or stopped not by a conventionally-known switching of an on-off valve but by starting or stopping the supply of liquid from the syringe pump.

Description

グリス、ペースト、塗料等の噴霧に於いて、特に高精度、微量、データー化容易、再現性良好等を要求されるものに関する。In spraying grease, paste, paint, etc., the present invention particularly relates to those that require high accuracy, a small amount, easy data generation, good reproducibility, and the like.

皮膜形成に於いて例えば0.01mm厚さ、巾20mm、長さ50mmを1秒で噴霧塗布すると液は0.01cc/秒の速度で吐出することになる。液送りのポンプは所要の液を確実に噴霧ガンに供給し、噴霧ガンは供給された液を全量確実に噴霧することである。In film formation, for example, when 0.01 mm thick, 20 mm wide, and 50 mm long are spray-coated in 1 second, the liquid is discharged at a speed of 0.01 cc / second. The liquid feed pump reliably supplies the required liquid to the spray gun, and the spray gun reliably sprays all of the supplied liquid.

課題Task

高精度、微量の液噴霧に於いて、定量性、無脈動、定速の液供給ポンプと噴霧ガンは構成部材の弾性変位、液の圧縮等の影響を十分に考慮することが重要である。高圧の発生を減じること、液中に気泡が無いこと、管路内に空気だまりを形成しないこと。あらかじめプログラムされた噴霧パターンに確実に応答すること。精度検証のため吐出した液を回収し計量できれば良。In high-precision, small-volume liquid spraying, it is important that the quantitative, non-pulsating, constant-speed liquid supply pump and spray gun take into account the effects of elastic displacement of component members, liquid compression, and the like. Reduce the generation of high pressure, no bubbles in the liquid, and no air pockets in the pipeline. Respond reliably to pre-programmed spray patterns. It is sufficient if the discharged liquid can be collected and weighed for accuracy verification.

従来気体と液体を混合して噴霧する2流体混合噴霧ガンのノズルは、液ノズルと気体ノズルが同一面上に開口されるか、気体ノズルが突き出している等で、吐出液が付着して残り、精度劣化や吐出液の採取が容易でない。又、シリンジポンプの液供給精度が悪く、噴霧ガンに液の開閉弁を付加して補っている等、概して複雑な構造をしている。Conventional nozzles of a two-fluid mixing spray gun that mixes and sprays gas and liquid, the liquid nozzle and the gas nozzle are opened on the same surface, or the gas nozzle protrudes, etc., and the discharge liquid adheres and remains. Deterioration of accuracy and collection of discharged liquid are not easy. In addition, the liquid supply accuracy of the syringe pump is poor, and the spray gun is generally complicated by adding a liquid open / close valve to compensate for it.

ロボット搭載が広がると共に多様なパターンの噴霧塗布が要求される。例えばドット噴霧、間欠噴霧、塗り広げ、気体噴霧だけ、液だけの塗布及びそれらの組み合わせ等である。As robot mounting spreads, various patterns of spray coating are required. For example, dot spraying, intermittent spraying, spreading, gas spraying only, liquid-only coating, and combinations thereof.

解決手段Solution

シリンジポンプと、噴霧ガンと、両者の制御手段の制御装置とでなる液噴霧装置であって、噴霧ガンへの液の供給と供給停止は、従来方法にみられる開閉弁の開閉ではなく、シリンジポンプによる液の供給と供給停止とで行う。シリンジポンプは弾性変位を最少にするためボールネジ中心とシリンジプランジャー中心を同心に構成して直列に配置する。シリンジポンプのスライド部は面当たりの角材摺動構成とし、中心にボールネジを配置、ボールネジに押されるブロックにプランジャー受けを設置、プランジャー受けにシリンジ内に挿入するプランジャーをかぶせて、推進力とスライド部を一直線上に置き、ボールネジの移動量が直にプランジャーに伝わる構造にする。シリンジの固定部も同様に同心に配置する。スライド本体のプランジャー突出し側端面にプランジャーの摺動ガイドを設け、シリンジをプランジャーに挿入し、シリンジのフランジ部を抑えて固定する固定具を設置する。シリンジは吐出部にルアーテーパーとルアーロックの首部を形成する。シリンジ内の液は確実に脱泡することが重要。
参考文献(バレル取付け具実用新案登録第3168905号)(スライダ実用新案登録第3137802号)
A liquid spraying device comprising a syringe pump, a spray gun, and a control device for both control means. The supply and stop of the liquid to the spray gun is not the opening and closing of the on-off valve found in the conventional method, but the syringe. It is performed by supplying the liquid with the pump and stopping the supply. In order to minimize the elastic displacement of the syringe pump, the ball screw center and the syringe plunger center are concentrically arranged and arranged in series. The slide part of the syringe pump is configured to slide a square member per surface, a ball screw is arranged at the center, a plunger receiver is installed on the block pressed by the ball screw, and the plunger receiver is covered with a plunger that is inserted into the syringe, and the propulsive force The slide part is placed in a straight line so that the movement amount of the ball screw is directly transmitted to the plunger. Similarly, the fixed part of the syringe is arranged concentrically. A slide guide of the plunger is provided on the plunger protruding side end surface of the slide body, a syringe is inserted into the plunger, and a fixing tool for holding and fixing the flange portion of the syringe is installed. The syringe forms a luer taper and a luer lock neck at the discharge section. It is important to ensure that the liquid in the syringe is degassed.
References (barrel fixture utility model registration No. 3168905) (slider utility model registration No. 3137802)

シリンジ直結の噴霧ガンはボディの中心穴に、左端にメスルアー取付け継手と右端に液吐出ノズルを設置したスリーブを摺動自在に挿入し、穴奥を気体室とし、ボディ左端にシリンジの首部をくわえる口部を形成し、ボディ右端に気体ノズルを、液吐出ノズルの先端が気体ノズルより若干飛び出すように設置する。ボディの外周より気体室に貫通する気体導入ネジ穴を刻設し、エアチューブ継手を設置する。吐出ノズルは先端を所要の口径としてテーパー状に形成し、根元部は太く形成して液の流動抵抗を減じている。液噴霧に於いて噴霧粒を小さくするには液体ノズルの開口径はできるだけ小さくするか、圧力を上げ気体の噴出量を多くするかの選択がある。省エネの観点からは液体ノズルの開口径を小さくするのが良い。気体ノズルは内径で吐出ノズルを同心に保持するとともに、内径壁に気体通路となる溝を刻設する。
参考文献(噴霧装置シリンジ取付け実用新案登録第3156239号)
The spray gun directly connected to the syringe is slidably inserted into the center hole of the body with a female luer mounting joint on the left end and a sleeve with a liquid discharge nozzle on the right end. A mouth is formed, and a gas nozzle is installed at the right end of the body so that the tip of the liquid discharge nozzle protrudes slightly from the gas nozzle. A gas introduction screw hole penetrating from the outer periphery of the body into the gas chamber is formed, and an air tube joint is installed. The discharge nozzle is formed in a tapered shape with the required diameter at the tip, and the base is formed thick to reduce the flow resistance of the liquid. In order to make the spray particles smaller in the liquid spray, there are choices of making the opening diameter of the liquid nozzle as small as possible, or increasing the pressure and increasing the amount of gas ejection. From the viewpoint of energy saving, it is preferable to reduce the opening diameter of the liquid nozzle. The gas nozzle holds the discharge nozzle concentrically at the inner diameter, and a groove serving as a gas passage is formed on the inner diameter wall.
References (Utility model registration No. 3156239 for installing spray device syringe)

シリンジと噴霧ガン間をチューブで連結する方式は低中粘度液に適応する。シリンジ側にチューブ連結具と、先端側は噴霧ノズルと、中間は連結チューブで構成する。連結チューブ内に液送りチューブを内装する。シリンジ側のチューブ連結具はボディ中心穴に、左端にメスルアー取付け継手と右端に液チューブ継手を設置したスリーブを摺動自在に挿入し、穴奥を気体室とし、ボディ左端にシリンジの首部をくわえる口部を形成し、ボディ右端に気体チューブ挿入管を形成し、外周より気体室に貫通する気体継手ネジ穴を刻設しエアチューブ継手を設置する。気体室に連通する気体チューブ管内径は内蔵する液チューブより大なる口径とする。先端側の噴霧ノズルの中心穴に、左端に液チューブ継手と右端に液吐出ノズルを設置したスリーブを挿入し、穴奥に気体室を形成し、スリーブ右端に気体ノズルと、液吐出ノズルを先端が気体ノズルより若干飛び出すように設置する。ボディ左側に気体チューブ管継手を螺合さしてスリーブを固定する。スリーブ外周に溝を左から右まで貫通さして刻設する。連結具と、噴霧ノズルの気体チューブ管に連結チューブを挿入し、液チューブ継手に液チューブを挿入して連結する。気体継手ネジ穴に気体継手を装着し気体を導入すると、連結チューブ内を通り、溝、気体室を通過して気体ノズルより噴出する。液吐出ノズルより液を吐出すると気体ノズルの気体と混合し噴霧吐出する。The method of connecting the syringe and spray gun with a tube is suitable for low and medium viscosity liquids. A tube connector on the syringe side, a spray nozzle on the tip side, and a connecting tube on the middle. A liquid feed tube is installed inside the connecting tube. The tube connector on the syringe side is slidably inserted into the body center hole, a sleeve with a female luer fitting joint on the left end and a liquid tube joint on the right end, and the back of the hole is used as a gas chamber, and the neck of the syringe is added to the left end of the body. A mouth is formed, a gas tube insertion tube is formed at the right end of the body, a gas joint screw hole penetrating from the outer periphery to the gas chamber is formed, and an air tube joint is installed. The inner diameter of the gas tube communicating with the gas chamber is larger than that of the liquid tube incorporated therein. Insert a sleeve with a liquid tube joint at the left end and a liquid discharge nozzle at the right end into the center hole of the spray nozzle on the tip side, form a gas chamber at the back of the hole, and connect the gas nozzle and the liquid discharge nozzle at the right end of the sleeve Is installed so that it protrudes slightly from the gas nozzle. Screw the gas tube fitting on the left side of the body to fix the sleeve. A groove is pierced from the left to the right on the outer periphery of the sleeve. A connecting tube is inserted into the connecting tube and the gas tube tube of the spray nozzle, and a liquid tube is inserted into the liquid tube joint to be connected. When a gas joint is mounted in the gas joint screw hole and gas is introduced, the gas passes through the connecting tube, passes through the groove and the gas chamber, and is ejected from the gas nozzle. When liquid is discharged from the liquid discharge nozzle, it is mixed with the gas from the gas nozzle and sprayed.

制御装置は、シリンジポンプの制御(液の吐出量、流速度、タイミング)と噴霧気体の制御(圧力、流量、タイミング)を合わせて制御する。さらに応答遅れや液の膨張収縮等の補正も可能にする。タイミングとは気体を噴出し、若干遅らして液を吐出し、液の吐出が終了してから気体の噴出を停止する。このタイミング制御で吐出液を噴霧ガンに残すことなく全量噴霧さす。吐出信号を受けてから液吐出ノズルより液が吐出するまでは若干の時間遅れが生じる。
液の送り速度を噴霧時のままとすると遅れが数秒になることもある。シリンジポンプの制御で液の吐出始めに高速で押し出し、その後噴霧時速度にする。吐出始めと吐出終わりの速度と量を補正値として制御に組み込む。所要の吐出パターンに合うように各種のパラメーターを設けてシリンジポンプの制御を行う。パラメーターの変更はオペレーターが操作できることも含む。
The control device controls the syringe pump (liquid discharge amount, flow velocity, timing) and spray gas control (pressure, flow rate, timing) together. Further, it is possible to correct response delays and expansion / contraction of liquid. The timing is that gas is ejected, the liquid is ejected with a slight delay, and the ejection of gas is stopped after the ejection of the liquid is completed. With this timing control, all of the discharged liquid is sprayed without leaving the spray gun. There is a slight time delay from receiving the discharge signal until the liquid is discharged from the liquid discharge nozzle.
If the liquid feed rate is kept at the time of spraying, the delay may be several seconds. Extrusion at high speed at the beginning of liquid discharge under the control of the syringe pump, and then at the spraying speed. The speed and amount at the start and end of discharge are incorporated in the control as correction values. Various parameters are provided to match the required discharge pattern, and the syringe pump is controlled. Changing parameters also includes operator control.

作用Action

液を充填したシリンジを開口端からプランジャーに挿入していくと、プランジャーとシリンジ内径の隙間から空気が外に追い出され、完全に追い出せたらシリンジをプランジャーと共に引き込みシリンジ端面が摺動ガイドに接触したら固定具でシリンジを固定する。シリンジの吐出口に噴霧ガンのシリンジ取付け継手を連結し、更にシリンジの首部をくわえて固定する。When a syringe filled with liquid is inserted into the plunger from the open end, air is expelled from the gap between the plunger and the inner diameter of the syringe, and when it is completely expelled, the syringe is drawn together with the plunger and the syringe end surface becomes a sliding guide. When contacted, fix the syringe with a fixture. The syringe mounting joint of the spray gun is connected to the discharge port of the syringe, and further, the neck of the syringe is added and fixed.

液の吐出のみを要求する場合、制御装置の液のみ吐出プログラムを選択して吐出信号を付加すると、液ノズルから液が吐出する。液ノズルは気体ノズルより飛び出しているから吐出液は他に触れることなく塗布面に滴下できる。この滴下した液を塗り広げるときは気体のみ吐出プログラムを選択して気体を滴下液に当てて塗り広げる。ロボットの動きと合わせてプログラム制御して所要の塗布パターンを得る。間欠噴霧、線引き噴霧、面塗布噴霧等ロボットの動きと共にプログラム制御して所要の塗布パターンを得る。When only liquid discharge is requested, when a liquid discharge program of the control device is selected and a discharge signal is added, the liquid is discharged from the liquid nozzle. Since the liquid nozzle protrudes from the gas nozzle, the discharged liquid can be dropped onto the coating surface without touching the other. When spreading the dropped liquid, a gas only discharge program is selected and the gas is applied to the dropped liquid for spreading. A desired application pattern is obtained by controlling the program together with the movement of the robot. The required application pattern is obtained by controlling the program together with the movement of the robot such as intermittent spraying, drawing spraying, and surface coating spraying.

効果effect

シリンジと噴霧ガンを直結して管路を短くし配管抵抗を減じて高粘度液にも適応している。直結しない場合、例えば内径2ミリのテフロンチューブにグリスを0.3MPaの圧力で流すと200ミリの長さで流れなくなった。管路は直線に構成して空気溜りがない。液吐出ノズルは先端をテーパー状に形成し開口径のみを所要の口径にして配管抵抗を減じている。配管抵抗を減じることで噴霧信号に対して応答性が良好になり、短時間の噴霧ON−OFFの制御が可能となる。The syringe and spray gun are directly connected to shorten the pipe line and reduce pipe resistance, making it suitable for high viscosity liquids. When not directly connected, for example, when grease was passed through a Teflon tube having an inner diameter of 2 mm at a pressure of 0.3 MPa, it stopped flowing at a length of 200 mm. The pipeline is straight and has no air pockets. The liquid discharge nozzle has a tapered tip and only the opening diameter has a required diameter to reduce pipe resistance. By reducing the piping resistance, the responsiveness to the spray signal is improved, and spray ON-OFF control can be performed in a short time.

構成部材の弾性変位はボールネジ、軸支ベアリング程度で、スライド部は面当たりの角材摺動構成としているので回転方向の弾性変位はほとんど無視でき、噴霧中の液量精度の良好な噴霧が得られる。スライド部はボール、ローラーガイドでも適応できる。The elastic displacement of the components is about ball screws and shaft bearings, and the slide part is made of a square material sliding structure per surface, so the elastic displacement in the rotational direction can be almost ignored, and spray with good liquid quantity accuracy during spraying can be obtained . The slide part can be adapted to a ball or a roller guide.

シリンジポンプの制御で噴霧パターンが決定でき、精度良好、再現性良好、データー化が容易。The spray pattern can be determined by controlling the syringe pump, with good accuracy, good reproducibility, and easy data generation.

噴霧ノズルに於いて通常は液管路に開閉バルブを設置し、液の噴霧時のみ開閉バルブを開として液を供給するが、本発明ではシリンジポンプの操作で液を供給するので開閉バルブが不要になり、軽量コンパクト化が図れる。In the spray nozzle, an open / close valve is usually installed in the liquid conduit, and the liquid is supplied only by opening the open / close valve during spraying of the liquid. Therefore, it is possible to reduce the weight and size.

シリンジポンプの取付け姿勢の制限がないので装置設計の自由度が高い。Since there is no restriction on the mounting posture of the syringe pump, the degree of freedom in device design is high.

他に加熱容易な構成、気体圧を調整して液粒を変えられる、等がある。噴霧に於いて、噴霧液は空中に浮遊して塗布面以外に行くので、静電塗装方法の採用、吸塵機の設置等を考慮することも重要である。以下の実施例に於いては洩れ止めシール、取付けボルト等特に説明を要しないものは省略している。In addition, there are a configuration in which heating is easy, a liquid pressure can be changed by adjusting a gas pressure, and the like. In spraying, since the spray liquid floats in the air and goes outside the coating surface, it is also important to consider the use of electrostatic coating methods and the installation of a dust absorber. In the following embodiments, those that do not require any particular explanation such as a leak-proof seal and mounting bolts are omitted.

図1,21 and 2

シリンジ直結の噴霧ガン1はボディ5の中心穴に、左端にメスルアー取付け継手2と右端に液吐出ノズル3を設置したスリーブ8を摺動自在に挿入し、穴奥を気体室15とし、左端にシリンジの首部6をくわえる口部7を切り溝部12とすり割り溝13とで形成し、右端に気体ノズル4を液吐出ノズル3先端が気体ノズル4より若干飛び出すように設置する。液吐出ノズル3は先端を所要の口径としてテーパー状に形成し、液の流動抵抗を減じている。気体ノズル4は内径で液吐出ノズル3を同心に保持するとともに、内径壁に気体通路となる溝9を刻設する。
シリンジ10は吐出部にルアーテーパー11とルアーロックの首部6を形成する。ボディ5の外周より気体室15に貫通する気体導入ネジ穴を刻設し、エアチューブ継手14を設置する。
A spray gun 1 directly connected to a syringe is slidably inserted into a center hole of a body 5 with a female luer mounting joint 2 at the left end and a sleeve 8 having a liquid discharge nozzle 3 at the right end. A mouth portion 7 that holds the neck portion 6 of the syringe is formed by a groove portion 12 and a slit groove 13, and the gas nozzle 4 is installed at the right end so that the tip of the liquid discharge nozzle 3 protrudes slightly from the gas nozzle 4. The liquid discharge nozzle 3 is formed in a taper shape with a tip having a required diameter to reduce the flow resistance of the liquid. The gas nozzle 4 holds the liquid discharge nozzle 3 concentrically with an inner diameter, and a groove 9 serving as a gas passage is formed on the inner diameter wall.
The syringe 10 forms a luer taper 11 and a luer lock neck 6 at the discharge part. A gas introduction screw hole penetrating from the outer periphery of the body 5 to the gas chamber 15 is formed, and an air tube joint 14 is installed.

シリンジ10に噴霧ガン1を取り付けるには、メスルアー取付け継手2をシリンジ10のルアーテーパー11に挿入し、口部7で首部6をくわえて固定ネジ16で固定する。取り外すには切り溝部12より工具を挿入してメスルアー取付け継手2を緩める。このときスリーブ8はボディ5内を摺動してロックを防止する。エアチューブ継手14にエアホースを連結したとき、エアホースの捩れや引張の力がかかっても、口部7で首部6をくわえて固定しているので脱落の恐れがない。液吐出ノズル3の先端が気体ノズル4より若干飛び出すようにしているので、吐出液を採取するとき気体ノズル4が邪魔にならない。吐出液を採取する必要のない場合は飛び出し不要。In order to attach the spray gun 1 to the syringe 10, the female luer attachment joint 2 is inserted into the luer taper 11 of the syringe 10, and the neck portion 6 is added at the mouth portion 7 and fixed with the fixing screw 16. To remove, the tool is inserted from the kerf 12 and the female luer fitting 2 is loosened. At this time, the sleeve 8 slides in the body 5 to prevent locking. When the air hose is connected to the air tube joint 14, even if the air hose is twisted or pulled, the neck portion 6 is fixed by the mouth portion 7, so there is no fear of dropping off. Since the tip of the liquid discharge nozzle 3 protrudes slightly from the gas nozzle 4, the gas nozzle 4 does not get in the way when the discharge liquid is collected. When there is no need to collect the discharge liquid, it is not necessary to pop out.

図3,43 and 4

シリンジポンプ20はスライド21に角ガイド溝37を刻設し、スライドブロック24を摺動案内する。
スライドブロック24の中心にボールネジナット23とプランジャー受け25を固定し、プランジャー受け25にシリンジ内に挿入するプランジャー26をかぶせて固定ネジ32で螺合固定し、推進力とスライド部を一直線上に置き、ボールネジナット23の移動量が直にプランジャー26に伝わる構造にする。
シリンジ10の固定具29も同心に配置する。スライド21のプランジャー26突出し側端面にプランジャーの摺動ガイド27を設け、シリンジ10をプランジャー26に挿入し、シリンジのフランジ部28を抑えて固定する固定具29を設置する。固定具29にピン31を設置し摺動ガイド27の捩れ溝に沿ってフランジ部28を抑えるとともに端面のOリング30でプランジャー26外周を密封する。
ボールネジ22はベアリングユニット33に受けられ、パルスモーター34の回転駆動をプランジャー26の直進運動に変換する。センサ35はスライドブロック24の原点位置を、センサ36はスライドブロック24のオーバー位置を検知する。シリンジポンプの制御(液の吐出量、流速度、タイミング)は制御装置で制御する。参考文献(スライダ実用新案登録第3137802号)
The syringe pump 20 engraves a square guide groove 37 in the slide 21 to slide and guide the slide block 24.
A ball screw nut 23 and a plunger receiver 25 are fixed to the center of the slide block 24, and a plunger 26 to be inserted into the syringe is put on the plunger receiver 25 and screwed and fixed with a fixing screw 32, so that the propulsive force and the slide portion are straightened. It is placed on a line, and the movement amount of the ball screw nut 23 is directly transmitted to the plunger 26.
The fixture 29 of the syringe 10 is also arranged concentrically. A plunger slide guide 27 is provided on the end surface of the slide 21 that protrudes from the plunger 26, and the syringe 10 is inserted into the plunger 26, and a fixing tool 29 for holding the syringe flange portion 28 is installed. A pin 31 is installed on the fixture 29 to restrain the flange portion 28 along the torsion groove of the sliding guide 27 and seal the outer periphery of the plunger 26 with an O-ring 30 on the end face.
The ball screw 22 is received by the bearing unit 33 and converts the rotational drive of the pulse motor 34 into the linear motion of the plunger 26. The sensor 35 detects the origin position of the slide block 24, and the sensor 36 detects the over position of the slide block 24. Control of the syringe pump (liquid discharge amount, flow velocity, timing) is controlled by a control device. Reference (Slider utility model registration No. 3137802)

角ガイド溝37、摺動ガイド27共に平面接触の摺動として剛性を高め、撓みによる不感帯を最少にし、推進力とガイド゛部を直線上に置きボールネジナット23の移動量を正確に直にプランジャー26に伝えて高精度を得ている。プランジャー26の移動はシリンジ10内の液に直ちに伝えられ、応答性を良好にしている。プランジャー26は固定ネジ32と螺合固定されているだけなので容易に分離でき、液の汚れを除去し易い。応答性が良いので制御装置に於いてはパルスモーター34のパルス制御が、複雑なパラメーターを必要とせず簡単に構築できる。Both the square guide groove 37 and the sliding guide 27 are flat contact sliding to increase the rigidity, minimize the dead zone due to bending, place the propulsive force and the guide section on a straight line, and plan the amount of movement of the ball screw nut 23 accurately and directly. High accuracy is obtained by transmitting to the jar 26. The movement of the plunger 26 is immediately transmitted to the liquid in the syringe 10 to improve the responsiveness. Since the plunger 26 is only screwed and fixed to the fixing screw 32, the plunger 26 can be easily separated and the dirt of the liquid can be easily removed. Since the responsiveness is good, the pulse control of the pulse motor 34 can be easily constructed in the control device without requiring complicated parameters.

図5FIG.

液噴霧装置50は実施例1の噴霧ガン1と実施例2のシリンジポンプ20と気体の制御を付加してなる制御装置51とで構成する。気体ホース52はエアチューブ継手14に連接する。電装ケーブル53はパルスモーター34、センサ35、センサ36に連接する。気体導入ホース54は圧縮気体を導入する。IOケーブル55は押しボタン等入出力機器に連結する。小型軽量な噴霧装置を提供できる。制御装置51は[09]で詳述した制御内容を組み込む。噴霧ガン1とシリンジポンプ20との間に液補給用切換えバルブを設置することも可能であり、液の粘度については低中粘度液から高粘度液にも適応可能なものである。The liquid spraying device 50 includes the spray gun 1 of the first embodiment, the syringe pump 20 of the second embodiment, and a control device 51 to which gas control is added. The gas hose 52 is connected to the air tube joint 14. The electrical cable 53 is connected to the pulse motor 34, the sensor 35, and the sensor 36. The gas introduction hose 54 introduces compressed gas. The IO cable 55 is connected to an input / output device such as a push button. A small and lightweight spray device can be provided. The control device 51 incorporates the control content detailed in [09]. It is also possible to install a liquid replenishment switching valve between the spray gun 1 and the syringe pump 20, and the liquid viscosity can be applied from a low to medium viscosity liquid to a high viscosity liquid.

図6FIG.

噴霧ロボット60は実施例3の液噴霧装置50と多軸ロボット61とで構成する。IOケーブル55はロボット制御装置に連結する。小型軽量な液噴霧装置50は多軸ロボットの負荷を小さくできるから多軸ロボットを小型にできる。The spray robot 60 includes the liquid spray device 50 and the multi-axis robot 61 of the third embodiment. The IO cable 55 is connected to the robot controller. Since the small and light liquid spraying device 50 can reduce the load of the multi-axis robot, the multi-axis robot can be made small.

LED球状頭に発光剤を塗布する、球状太陽電池に接着剤を塗布する、球状菓子上面にクリーム等を塗布する等の場合、まず液のみを最上面に所要量塗布し、次に気体のみを吐出さして塗布液に吹き付けると、液は球面の下部に向かって塗り広げられる。あるいは気液混合で噴霧する場合、対象物の各上面のみに微小量を間欠噴霧さして塗布する。When applying a luminous agent to the LED spherical head, applying an adhesive to the spherical solar cell, applying cream etc. on the top of the spherical confectionery, first apply only the required amount of liquid on the top surface, then only gas When discharged and sprayed onto the coating solution, the solution is spread toward the bottom of the spherical surface. Or when spraying by gas-liquid mixing, a minute amount is intermittently sprayed and apply | coated only to each upper surface of a target object.

刻設された文字に色入れをする場合、従来は文字に合わせて色液を注入するような複雑な液ノズルの動きが必要であったが、液噴霧ロボット60では文字の一部に色液を塗布し、次に気体のみを吐出さして塗布液に吹き付けると文字に沿って色液が流れ、効率の良い、液の使用量の少ない色入れが可能になる。In the case of adding a color to an engraved character, it has been conventionally necessary to move the liquid nozzle in a complicated manner so as to inject a color liquid in accordance with the character. Next, when only the gas is discharged and sprayed onto the coating liquid, the color liquid flows along the characters, and efficient and low color use of the liquid becomes possible.

ボールベアリングにグリスを注入塗布する場合、ボールとボールの間に所要のグリスを塗布し、次に気体のみを吐出さして塗布液に吹き付けるとボール保持器の中までグリスが回り込み、効率の良い塗布が可能になる。ボールベアリングだけでなく、直動ガイド、クラッチ、ギヤー、スプロケット等も同様に塗布でき、従来ベタ塗りしていた様なグリス塗布を、少量の管理された塗布に変えられ、省エネにも貢献できる。When injecting and applying grease to the ball bearing, apply the required grease between the balls, then discharge only the gas and spray it onto the coating solution, and the grease will wrap around the ball cage, ensuring efficient application. It becomes possible. Not only ball bearings, but also linear guides, clutches, gears, sprockets, etc. can be applied in the same way, so that the application of grease as previously applied to solid can be changed to a small amount of controlled application, contributing to energy saving.

液噴霧装置50と多軸ロボット61との合成の制御は容易に構築でき、多軸ロボット61は専用の移動装置とすることもできる。例えば長尺の服地に色入れする場合、多軸ロボット61を長尺の移動装置として適応できる。液噴霧装置50は小型軽量だから可能になる。Control of the synthesis of the liquid spraying device 50 and the multi-axis robot 61 can be easily constructed, and the multi-axis robot 61 can be a dedicated moving device. For example, when adding color to long clothes, the multi-axis robot 61 can be adapted as a long moving device. The liquid spray device 50 is possible because it is small and light.

図7FIG.

液噴霧装置50と真空乾燥装置66とでなるスプレードライヤー65は、真空乾燥装置66に噴霧ガン1を挿入して高粘度液を噴霧する。噴霧液滴68は落下中に乾燥し、成分の粒子がトレイ67に収集される。微量の液を粒状形成でき、液種の交換はシリンジ、噴霧ガン1の交換だけで済む。A spray dryer 65 comprising a liquid spraying device 50 and a vacuum drying device 66 inserts the spray gun 1 into the vacuum drying device 66 and sprays a high viscosity liquid. The spray droplets 68 dry during the fall and the component particles are collected in the tray 67. A small amount of liquid can be formed into a granular form, and the liquid type can be changed only by exchanging the syringe and spray gun 1.

図8FIG.

回転物噴霧装置70は液噴霧装置50を旋盤の刃物台72に装着し、被塗布物71を旋盤の回転ヘッド73に取付けて外周に液を噴霧塗布する。液噴霧装置50を旋盤の芯押台に取り付けて被塗布物71の内面の噴霧塗布もできる。旋盤は専用装置でも可。The rotating object spraying device 70 mounts the liquid spraying device 50 on a tool post 72 of a lathe, attaches an object 71 to a rotating head 73 of the lathe, and sprays and applies the liquid to the outer periphery. The liquid spraying device 50 can be attached to the core press stand of the lathe, and spray coating of the inner surface of the object 71 can also be performed. A lathe can be a dedicated device.

図9FIG.

多点噴霧装置80は液噴霧装置50を複数個配置し同時に噴霧塗布を行う。ボールベアリングのグリス塗布の場合、ボール保持器部の全箇所に液噴霧装置50を配置して作業効率を上げる。噴霧装置50はスリム形態なので狭い場所にも配置が可能になる。複数の線を噴霧描画する、幅広の面を一度で噴霧塗布する等も、液量が正確で各液噴霧装置50間で誤差がないから実現可能になる。The multi-point spray device 80 includes a plurality of liquid spray devices 50 and performs spray application simultaneously. In the case of applying grease to the ball bearing, the liquid spraying device 50 is arranged at all locations of the ball cage portion to increase work efficiency. Since the spraying device 50 is slim, it can be arranged in a narrow place. Spray drawing of a plurality of lines and spray application of a wide surface at a time can be realized because the liquid amount is accurate and there is no error between the liquid spray devices 50.

図10FIG.

加熱用シリンジポンプ90。シリンジポンプ20はスライド21に摺動ガイド27を取り付ける際、スペーサー91を挿入して取付け、シリンジ10側とは温度的に分離隔絶さしている。プランジャー26もセラミック等断熱材で構成する。シリンジ10と噴霧ガン1の外周に加熱ユニット92を装着し液を加熱し、液の軟化、溶融を計る。エポキシ樹脂、ホットメルト接着剤、チョコレート、低温溶融金属(ハンダ、治具メタル)等の溶融噴霧塗布に適応する。噴霧ガン1のないシリンジポンプとしても形成可能となる。Syringe pump 90 for heating. The syringe pump 20 is attached by inserting a spacer 91 when the slide guide 27 is attached to the slide 21, and is separated from the syringe 10 in terms of temperature. The plunger 26 is also made of a heat insulating material such as ceramic. A heating unit 92 is attached to the outer periphery of the syringe 10 and the spray gun 1 to heat the liquid and measure the softening and melting of the liquid. Suitable for melt spray application of epoxy resin, hot melt adhesive, chocolate, low temperature molten metal (solder, jig metal). It can also be formed as a syringe pump without the spray gun 1.

図11FIG.

シリンジと噴霧ガン間をチューブで連結する方式は中粘度液に適応する。シリンジ側にチュウブ連結具101と、先端側は噴霧ノズル102と、中間は連結チューブ103で構成する。連結チューブ103内に液送りチューブ110を内装する。チュウブ連結具101はボディ104中心穴に、左端にメスルアー取付け継手105と右端に液チューブ継手106を設置したスリーブ107を摺動自在に挿入し、穴奥を気体室108とし、ボディ104左端にシリンジの首部109をくわえる口部120を形成し、右端に気体チューブ挿入管111を形成し、外周より気体室108に貫通する気体継手ネジ穴112を刻設しエアチューブ継手122を設置する。気体室108に連通する気体穴113は、内蔵する液チューブ110より大なる口径とする。先端側の噴霧ノズル102の中心穴に、左端に液チューブ継手115と右端に液吐出ノズル116を設置したスリーブ117を挿入し、穴奥に気体室118を形成し、ボディ120右端に気体ノズル119と、液吐出ノズル116を先端が気体ノズル119より若干飛び出すように設置する。ボディ120左側に気体チューブ管継手121を螺合さしてスリーブ117を固定する。スリーブ117外周に溝123を左から右まで貫通さして刻設する。連結具101と、噴霧ノズル102の気体チューブ管継手121に連結チューブ103を挿入し、液チューブ継手106に液送りチューブ110を挿入して連結する。気体継手ネジ穴112に気体継手122を装着し気体を導入すると、連結チューブ103内を通り、溝123、気体室118を通過して気体ノズル119より噴出する。液吐出ノズル116より液を吐出すると気体ノズル119の気体と混合し噴霧吐出する。吐出液を採取する必要のない場合は飛び出し不要。The method of connecting the syringe and spray gun with a tube is suitable for medium viscosity liquids. A tube connector 101 is provided on the syringe side, a spray nozzle 102 is provided on the tip side, and a connecting tube 103 is provided on the middle. A liquid feed tube 110 is housed inside the connecting tube 103. The tube connector 101 is slidably inserted into the center hole of the body 104, a sleeve 107 having a female luer fitting 105 at the left end and a liquid tube joint 106 at the right end, and the back of the hole serves as a gas chamber 108, and a syringe at the left end of the body 104. A mouth portion 120 is formed at the right end, a gas tube insertion tube 111 is formed at the right end, a gas joint screw hole 112 penetrating from the outer periphery to the gas chamber 108 is formed, and an air tube joint 122 is installed. The gas hole 113 communicating with the gas chamber 108 has a larger diameter than the liquid tube 110 incorporated therein. A sleeve 117 having a liquid tube joint 115 at the left end and a liquid discharge nozzle 116 at the right end is inserted into the center hole of the spray nozzle 102 on the front end side, a gas chamber 118 is formed at the back of the hole, and a gas nozzle 119 is formed at the right end of the body 120. The liquid discharge nozzle 116 is installed so that the tip protrudes slightly from the gas nozzle 119. The sleeve 117 is fixed by screwing the gas tube fitting 121 to the left side of the body 120. A groove 123 is pierced from the left to the right on the outer periphery of the sleeve 117. The connecting tube 103 is inserted into the connector 101 and the gas tube fitting 121 of the spray nozzle 102, and the liquid feed tube 110 is inserted into the liquid tube joint 106 to be connected. When the gas joint 122 is attached to the gas joint screw hole 112 and the gas is introduced, the gas passes through the connecting tube 103, passes through the groove 123 and the gas chamber 118, and is ejected from the gas nozzle 119. When liquid is discharged from the liquid discharge nozzle 116, it is mixed with the gas from the gas nozzle 119 and sprayed. When there is no need to collect the discharge liquid, it is not necessary to pop out.

比較的流動性のある中粘度液の噴霧塗布が容易にできる。噴霧ノズル102は噴霧ガン1より更に小型軽量化が計れ、噴霧ノズル102のみを噴霧塗布ロボットアームに搭載できるので負荷を軽減でき、ロボットの小型軽量化が計れる。It is possible to easily spray and apply a relatively fluid medium viscosity liquid. The spray nozzle 102 can be further reduced in size and weight than the spray gun 1, and only the spray nozzle 102 can be mounted on the spray application robot arm, so that the load can be reduced and the robot can be reduced in size and weight.

噴霧ノズル102は突起物がなく手持ち道具として扱えるから描画エアブラシとして使用可能。又、複数個並べて配置する場合もスペースが小さくて済む。噴霧ノズル102に手元スイッチを設けて制御盤に噴霧信号のONOFFを送り噴霧さすと描画エアブラシとして便利なものとなる。The spray nozzle 102 has no protrusions and can be handled as a handheld tool, so it can be used as a drawing airbrush. In addition, the space can be reduced when arranging a plurality of them side by side. If a hand switch is provided on the spray nozzle 102 and the spray signal is turned ON / OFF by spraying to the control panel, it becomes convenient as a drawing air brush.

図12FIG.

2液混合装置130は噴霧装置50を2台噴霧液が重なる様に配置し、下部に回転テーブル131を少し偏心さして配置し、その上に受け皿132を搭載する。例えば片側の液を10cc、他方の液を30cc混合する場合、両液共に30秒で噴霧さし、回転テーブル131を30秒で10回転さすプログラムを制御装置に組む。両液は3:1の比率で噴霧し、受け皿に10層になって積もる。殆ど混合された状態であるから、次の工程の完全混合を省けるか、軽い混合で済む。受け皿132を遠心撹拌機の容器とすると移し替えることなく混合が可能。小型軽量な2液混合装置130は遠心撹拌機に組み込むことも可能。2液だけでなく複数個の噴霧装置50を配置することも可能で多液混合が可能になる。液量の精度がよく、噴霧ガン内も残液がないので精度のよい多液混合が可能になり、小型の色作り装置となる。In the two-component mixing device 130, two spraying devices 50 are arranged so that the sprayed solutions overlap each other, and a rotary table 131 is arranged slightly eccentric at the lower portion, and a tray 132 is mounted thereon. For example, when mixing 10 cc of the liquid on one side and 30 cc of the other liquid, a program for spraying both liquids in 30 seconds and rotating the rotary table 131 10 times in 30 seconds is built in the control device. Both liquids are sprayed at a ratio of 3: 1 and are stacked in 10 layers on a saucer. Since the mixture is almost mixed, complete mixing in the next step can be omitted or light mixing can be performed. Mixing is possible without changing if the pan 132 is a container of a centrifugal stirrer. The small and light two-component mixing device 130 can be incorporated into a centrifugal stirrer. It is possible to arrange not only two liquids but also a plurality of spraying devices 50, so that multi-liquid mixing is possible. The liquid quantity is accurate and there is no residual liquid in the spray gun, so accurate multi-liquid mixing is possible, resulting in a compact color making device.

図13FIG.

噴霧液量に高精度を要求しないとき、エアディスペンサー151と噴霧ガン1とで構成する噴霧装置150を提供する。噴霧ガン1はシリンジ10に装着する。噴霧エアライン152、エアディスペンサーエアライン153は制御装置154に連結する。シリンジ10はシリンジ取付け具155に取り付けられる。エアディスペンサー151にエアディスペンサーエアライン153からエアが導入されるとシリンジ10内の液は噴霧ガン1に送られ、さらに噴霧エアライン152にエアが導入されるとノズルより噴霧される。制御装置154は前記実施例と同様の制御を行う。安価で小型の噴霧装置を提供できる。エアディスペンサーだけでなくスクリュウポンプ、チューブポンプ、プランジャーポンプ等を適応したものも提供できる。When high accuracy is not required for the amount of the spray liquid, the spray device 150 including the air dispenser 151 and the spray gun 1 is provided. The spray gun 1 is attached to the syringe 10. The spray air line 152 and the air dispenser air line 153 are connected to the control device 154. The syringe 10 is attached to a syringe attachment 155. When air is introduced into the air dispenser 151 from the air dispenser air line 153, the liquid in the syringe 10 is sent to the spray gun 1, and when air is further introduced into the spray air line 152, it is sprayed from the nozzle. The control device 154 performs the same control as in the above embodiment. An inexpensive and small spray device can be provided. Not only an air dispenser but also a screw pump, tube pump, plunger pump, etc. can be provided.

実施例1の断面図Sectional view of Example 1 実施例1の側断面図Side sectional view of Example 1 実施例2の断面図Sectional drawing of Example 2 実施例2の側断面図Side sectional view of Example 2 実施例3の簡略全体図Simplified general view of Example 3 実施例4の簡略全体図Simplified overview of Example 4 実施例5の簡略全体図Simplified overview of Example 5 実施例6の簡略全体図Simplified overview of Example 6 実施例7の簡略全体図Simplified overview of Example 7 実施例8の簡略断面図Simplified sectional view of Example 8 実施例9の断面図Sectional drawing of Example 9 実施例10の簡略全体図Simplified general view of Example 10 実施例11の簡略全体図Simplified general view of Example 11

1、噴霧ガン 2、メスルアー取付け継手 3、液吐出ノズル 4、気体ノズル 10、シリンジ 20、シリンジポンプ 51、制御装置1, spray gun 2, female luer fitting 3, liquid discharge nozzle 4, gas nozzle 10, syringe 20, syringe pump 51, control device

Claims (13)

シリンジポンプと、噴霧ガンと、両者の制御手段の制御装置とでなる液体噴霧装置であって、シリンジポンプはボールネジ中心とシリンジプランジャー中心を同心に構成して直列に配置し、ボールネジに押されるブロックにプランジャー受けを設置、プランジャー受けにシリンジ内に挿入するプランジャーをかぶせ、シリンジのフランジ部を抑えて固定する固定具を設置したことを特徴とするシリンジポンプA liquid spray device comprising a syringe pump, a spray gun, and a control device for both control means. The syringe pump is configured by concentrically arranging a ball screw center and a syringe plunger center, and is pushed by the ball screw. A syringe pump characterized by installing a plunger receiver on the block, covering the plunger receiver with a plunger to be inserted into the syringe, and installing a fixture that holds and fixes the flange portion of the syringe シリンジポンプと、噴霧ガンと、両者の制御手段の制御装置とでなる液体噴霧装置であって、ボディの中心穴に、左端にメスルアー取付け継手と右端に液吐出ノズルを設置したスリーブを摺動自在に挿入し、穴奥を気体室とし、ボディ右端に気体ノズルと、液吐出ノズルを設置したことを特徴とする噴霧ガンA liquid spraying device consisting of a syringe pump, a spray gun, and a control device for both control means. A sleeve with a female luer fitting joint at the left end and a liquid discharge nozzle at the right end is slidable in the center hole of the body. A spray gun with a gas chamber at the back end of the body and a gas nozzle and a liquid discharge nozzle at the right end of the body シリンジポンプと、噴霧ガンと、両者の制御手段の制御装置とでなる液体噴霧装置であって、チュウブ連結具と、噴霧ノズルと、連結チューブで構成し、チュウブ連結具はボディ中心穴に、左端にメスルアー取付け継手と右端に液チューブ継手を設置したスリーブを摺動自在に挿入し、穴奥を気体室とし、ボディ右端に気体チューブ挿入管を形成し、外周より気体室に貫通する気体継手ネジ穴を刻設しエアチューブ継手を設置し、気体室に連通する気体チューブ管内径は内蔵する液チューブより大なる口径とし、先端側の噴霧ノズルの中心穴に、左端に液チューブ継手と右端に液吐出ノズルを設置したスリーブを挿入し、穴奥に気体室を形成し、ボディ右端に気体ノズルを設置し、ボディ左側に気体チューブ管継手を螺合さしてスリーブを固定し、スリーブ外周に溝を左から右まで貫通さして刻設し、連結具と、噴霧ノズルの気体チューブ管に連結チューブを挿入し、液チューブ継手に液チューブを挿入して連結したことを特徴とする噴霧ガンA liquid spraying device comprising a syringe pump, a spray gun, and a control device for both control means, comprising a tube connector, a spray nozzle, and a connecting tube. The tube connector is located at the left end of the body center hole. A gas joint screw that slidably inserts a female luer fitting joint and a sleeve with a liquid tube joint on the right end, forms a gas tube insertion tube on the right end of the body, and penetrates the gas chamber from the outer periphery. Make a hole, install an air tube joint, and make the gas tube inner diameter communicating with the gas chamber larger than the built-in liquid tube, in the center hole of the spray nozzle on the tip side, the liquid tube joint on the left end and the right end Insert the sleeve with the liquid discharge nozzle, form a gas chamber in the back of the hole, install the gas nozzle at the right end of the body, and screw the gas tube fitting to the left side of the body to secure the sleeve. The groove is engraved from the left to the right on the outer periphery of the sleeve, the connecting tube is inserted into the gas tube tube of the spray nozzle, and the liquid tube is inserted into the liquid tube joint and connected. Spray gun シリンジポンプと、噴霧ガンと、両者の制御手段の制御装置とでなる液体噴霧装置であって、シリンジポンプの制御(液の吐出量、流速度、タイミング)と噴霧気体の制御(圧力、流量、タイミング)を合わせて制御し、応答遅れや液の膨張収縮、シリンジの膨張収縮を補正する制御を組み込み、気体を噴出し、若干遅らして液を吐出し、液の吐出が終了してから気体の噴出を停止する制御を組み込み、液の吐出始めに高速で押し出し、その後噴霧時速度にする制御を組み込んだことを特徴とする制御装置A liquid spray device comprising a syringe pump, a spray gun, and a control device for both control means, including syringe pump control (liquid discharge amount, flow rate, timing) and spray gas control (pressure, flow rate, Control is performed in accordance with the timing), and control for correcting response delay, expansion / contraction of liquid, and expansion / contraction of syringe is incorporated, gas is ejected, liquid is ejected with a slight delay, and gas is discharged after liquid discharge is completed. A control device that incorporates a control to stop jetting of liquid, pushes out at a high speed at the beginning of liquid discharge, and then sets the speed to spray 請求項1のシリンジポンプと請求項2の噴霧ガンと請求項4の制御装置とでなることを特徴とする噴霧装置A spray device comprising the syringe pump according to claim 1, the spray gun according to claim 2, and the control device according to claim 4. 請求項1のシリンジポンプと請求項3の噴霧ガンと請求項4の制御装置とでなることを特徴とする噴霧装置A spraying device comprising the syringe pump of claim 1, the spray gun of claim 3, and the control device of claim 4. 請求項5の噴霧装置と多軸ロボットとで成ることを特徴とする噴霧ロボット6. A spray robot comprising the spray device according to claim 5 and a multi-axis robot. 請求項5の噴霧装置と、真空乾燥装置とでなることを特徴とするスプレードライヤーA spray dryer comprising the spraying device according to claim 5 and a vacuum drying device. 請求項5の噴霧装置と、回転送り装置とで成ることを特徴とする回転物噴霧装置A rotating object spraying device comprising the spraying device according to claim 5 and a rotary feed device. 請求項5の噴霧装置複数個設置したことを特徴とする多点噴霧装置A multi-point spraying device comprising a plurality of spraying devices according to claim 5. 請求項1のシリンジポンプ外周に加熱ユニットを装着したことを特徴とする加熱用シリンジポンプA heating syringe pump, wherein a heating unit is mounted on the outer periphery of the syringe pump according to claim 1. 請求項5の噴霧装置複数個を、夫々の噴霧液が重なる様に配置し、下部に回転テーブルを配置したことを特徴とする多液混合装置6. A multi-liquid mixing apparatus comprising: a plurality of spray apparatuses according to claim 5 arranged so that the respective spray liquids overlap each other; and a rotary table disposed at a lower part. 請求項2の噴霧ガンを装着したことを特徴とする噴霧装置A spraying device equipped with the spray gun according to claim 2.
JP2012156959A 2012-06-26 2012-06-26 Liquid spray device Pending JP2014004573A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107321521A (en) * 2017-08-07 2017-11-07 王志华 A kind of hand-held sprays rifle
KR20190044941A (en) * 2017-10-23 2019-05-02 박진 Multi-function melting gun
WO2020138527A1 (en) * 2018-12-26 2020-07-02 박진 Multi-functional melting gun

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107321521A (en) * 2017-08-07 2017-11-07 王志华 A kind of hand-held sprays rifle
KR20190044941A (en) * 2017-10-23 2019-05-02 박진 Multi-function melting gun
KR101997900B1 (en) * 2017-10-23 2019-07-08 박진 Multi-function melting gun
WO2020138527A1 (en) * 2018-12-26 2020-07-02 박진 Multi-functional melting gun

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