JPH02116432A - Screw tightening driver and screw feeding device - Google Patents
Screw tightening driver and screw feeding deviceInfo
- Publication number
- JPH02116432A JPH02116432A JP26602888A JP26602888A JPH02116432A JP H02116432 A JPH02116432 A JP H02116432A JP 26602888 A JP26602888 A JP 26602888A JP 26602888 A JP26602888 A JP 26602888A JP H02116432 A JPH02116432 A JP H02116432A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- driver bit
- driver
- tip
- screws
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本考案はネジ締作業の合理化を図るために用いられる安
価なネジ締めドライバおよびそれに用いられる自動ネジ
供給機に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an inexpensive screwdriver used for streamlining screw tightening operations and an automatic screw feeder used therefor.
従来の自動ネジ供給機は■ネジの供給方法では（ａ）パ
ーツフィーダ一体形、（ｂ）パーツフィーダ分離形に、
■ネジの保持方法に関しては（ａ）真空吸着式、（ｂ）
チャック爪式に分類することができる。安価で製作する
には、ネジ送りホース機構がいらないだけパーツフィー
ダ一体形の方が有利であり、ネジの保持方法では構造が
簡単なチャック爪方法が安価にできるが、現在市販され
ているネジ締機は、構造９価格的に一長一短があり、技
術的に改良すべき内容は未だ解決されていない。Conventional automatic screw feeders have two types of screw feeding methods: (a) integrated parts feeder type, (b) separate parts feeder type.
■ Regarding the screw holding method, (a) vacuum suction type, (b)
It can be classified as chuck jaw type. For manufacturing at low cost, it is advantageous to use an integrated parts feeder as it does not require a screw feed hose mechanism, and the chuck claw method with a simple structure can be used at low cost as a method of holding screws, but the screw tightening method currently available on the market is The machine has advantages and disadvantages in terms of structure and price, and technical improvements that need to be made have not yet been resolved.
なおこの関連特許としては、特開昭６１−８２８３号に
、バネ及び押え金具で構成されたチャックによりネジを
保持する方法、真空吸着による方法とが上げられている
。As a patent related to this, Japanese Patent Laid-Open No. 61-8283 discloses a method of holding a screw with a chuck composed of a spring and a presser metal fitting, and a method using vacuum suction.
その具体例として第２図にメカチャックによる方法、第
３図に真空チャックによる方法を記す。As specific examples, FIG. 2 shows a method using a mechanical chuck, and FIG. 3 shows a method using a vacuum chuck.
上記従来技術は簡単な構造、狭いスペースでも使用可能
、安価であるとの条件を同時に満たしておらず、それが
自動ネジ供給機の全面採用に至らなかった理由である。The above-mentioned conventional technology does not satisfy the requirements of simple structure, usability even in a narrow space, and low cost, which is the reason why automatic screw feeders have not been widely adopted.
本考案の目的は、上記した条件を満足させる為パーツフ
ィーダ内蔵形で、ネジの保持機構を簡単にしたネジ締め
ドライバーおよびネジ供給装置を提供することにある。An object of the present invention is to provide a screw tightening driver and a screw feeding device that have a built-in parts feeder and have a simplified screw holding mechanism in order to satisfy the above-mentioned conditions.
上記目的は、ネジをネジ収納部に収納するとともに、ネ
ジ収納部からのネジの選択をドライバのドライバビット
の回転力によって行う選択手段と選択されたネジをドラ
イバビット先端に供給するネジ搬送手段と、ネジをドラ
イバビットの先端部に保持する保持手段を設けることに
よって達成される。またネジの１ケづつの供給と分離は
、ビットの上下運動により行い、またネジの保持につい
ては、従来のチャック爪や真空チャックによらない第３
の方式−磁力保持−で達成される。The above object includes a selection means for storing screws in a screw storage part and selecting a screw from the screw storage part by the rotational force of a driver bit of a driver, and a screw conveyance means for supplying the selected screw to the tip of the driver bit. , is achieved by providing a retaining means for retaining the screw at the tip of the driver bit. In addition, screws are fed and separated one by one by the vertical movement of the bit, and the screws are held by a third type screw that does not use conventional chuck jaws or vacuum chucks.
This is achieved by the method of magnetic force retention.
複数のネジがネジ収納部に収納され、ネジ収納部からは
ネジがドライバビットの回転に応じて１つづつ選択され
、ネジ搬送手段によって、ドライバビット先端に搬送さ
れる。搬送されたネジは保持手段によってドライバビッ
トの先端部に保持される。ドライバビットが被ネジ締め
部品に向かっておされるとドライバビット先端がネジ類
にかみあい、ネジに回転力が伝達される。A plurality of screws are stored in the screw storage part, and the screws are selected one by one from the screw storage part according to the rotation of the driver bit, and are transported to the tip of the driver bit by the screw transport means. The conveyed screw is held at the tip of the driver bit by the holding means. When the driver bit is pushed toward the component to be screwed, the tip of the driver bit engages with the screws and rotational force is transmitted to the screws.
以下、本考案の一実施例を第１図により説明する。 An embodiment of the present invention will be described below with reference to FIG.
第１図は本考案のネジ供給装置を市販の電気ドライバ１
に取付けた正面図である。本装置は多数のネジを収納し
ておくネジ収納ホッパ２、ネジを多数、整列させる搬送
ガイド３、ネジを一ヶづつ分離しドライバビット先端へ
送り込む為のネジ分離カム４、そしてネジをビット先端
上で正しく保持する為のネジ保持部５とから構成される
。Figure 1 shows the screw feeding device of the present invention being used with a commercially available electric screwdriver 1.
FIG. This device consists of a screw storage hopper 2 that stores a large number of screws, a transport guide 3 that arranges a large number of screws, a screw separation cam 4 that separates screws one by one and sends them to the tip of the driver bit, and a screw separation cam 4 that separates the screws one by one and sends them to the tip of the bit. It is composed of a screw holding part 5 for holding it correctly at the top.
ネジ収納ホッパ２は固定軸２０４．固定軸２ｏ４の周囲
を回転可能に保持された回転ドラム２０５と、固定軸２
０４上に設けられネジが１つづつ挿入される溝を備えた
ネジ整列サイド２ｏ１とを備える。 ネジ収納ホッパ２
の回転ドラム２０５は固定軸２０４上のネジ整列ガイド
２０１を中心にして回転する。その廓動力はドライバビ
ット１０１からベルト２０２を介して伝達される。ホッ
パの回転ドラム２０５には２枚のブレード２０３が取付
けてあり、回転ドラム２０５が回転することにより、ネ
ジはホッパ内をブレード２０３によって移動させられ。The screw storage hopper 2 has a fixed shaft 204. A rotating drum 205 rotatably held around a fixed shaft 2o4 and a fixed shaft 2
04 and a screw alignment side 2o1 provided with a groove into which the screws are inserted one by one. Screw storage hopper 2
The rotating drum 205 rotates around the screw alignment guide 201 on the fixed shaft 204. The rotational force is transmitted from the driver bit 101 via the belt 202. Two blades 203 are attached to a rotating drum 205 of the hopper, and as the rotating drum 205 rotates, the screw is moved within the hopper by the blades 203.
２枚のブレードのスキマから一ケづつ整列させられ、順
序よくネジ整列ガイド２０１の溝に並ぶ。The blades are aligned one by one from the gap between the two blades and lined up in the groove of the screw alignment guide 201 in an orderly manner.
ネジ整列ガイド２０１の溝はネジの断面形状にほぼ合わ
せて、第１図（、）に示すように略Ｙ字形の断面をもつ
。これにより、ネジ先頭部と頭部が正しく規制され、−
列に並ぶ。The groove of the screw alignment guide 201 has a substantially Y-shaped cross section, as shown in FIG. This allows the top and head of the screw to be properly regulated and -
Stand in line.
−列になったネジは搬送ガイド３を自然落下しネジ分離
カム４の上端で止っている。その状態図を第１図（ｂ）
に示す。一方ドライバ本体に固定したシャフト１０２に
はバネ１０３が付けてあり、受具１０４でホッパ、搬送
ガイド、ネジ保持部等は一体となって上下するようにし
である。まずネジを締めるときにはドライバが下へ下る
のでネジ分離カム４は第１図（ｂ）上で反時計周りに円
弧運動をする。よってそれまで分離カム上にあったネジ
は妨げるものがなくなったので下方向へ１ケだけ自然落
下する。次にネジを締終るとドライバが上に上り、バネ
１０３が伸び、分離カム４は左方向への円弧運動により
次の位置にあったネジを、第１図（ｂ）に示すネジ分離
カムの位置で停止させることになる。- The screws in a row naturally fall down the conveyance guide 3 and stop at the upper end of the screw separation cam 4. The state diagram is shown in Figure 1(b).
Shown below. On the other hand, a spring 103 is attached to a shaft 102 fixed to the driver main body, and a holder 104 allows the hopper, conveyance guide, screw holder, etc. to move up and down as one unit. First, when tightening a screw, the screwdriver moves downward, so the screw separating cam 4 moves counterclockwise in an arc as shown in FIG. 1(b). Therefore, the screw that was previously on the separation cam is no longer obstructed, so only one screw naturally falls downward. Next, when the screw has been tightened, the driver goes up, the spring 103 is extended, and the separation cam 4 moves in an arc to the left to move the screw in the next position to the screw separation cam shown in FIG. 1(b). It will stop at the position.
このようにして、ネジを１ケ締めることにより、１ケだ
けドライバビット先端に移動させる。In this way, by tightening one screw, only one screw is moved to the tip of the driver bit.
ネジ分離カムを出たネジは搬送ガイドを通り、ネジ保持
部５に到達する。ネジ保持部は磁石Ｎ５０１、磁石５５
０２及び磁石Ｎ、Ｓを上面でつなぐ為の鉄板５０３とか
らなっている。この構成により、ネジがドライバビット
先端から遠い位置 （本図では上方）にある時は磁力が
弱いので、ネジの自然落下を妨げるには至らない。The screws leaving the screw separation cam pass through the conveyance guide and reach the screw holding section 5. The screw holding part is magnet N501 and magnet 55.
02 and an iron plate 503 for connecting magnets N and S on the upper surface. With this configuration, the magnetic force is weak when the screw is located far from the tip of the driver bit (upward in this figure), so it does not prevent the screw from falling naturally.
ところがドライバビット先端近くになると、その構造上
強力なＮ−３極により、ネジ上面を吸いつけ、ドライバ
ビット先端上でネジを締付やすい姿勢で磁力による保持
をさせることになる。However, when near the tip of the driver bit, the N-3 pole, which is structurally strong, attracts the top surface of the screw and magnetically holds the screw in a position that makes it easy to tighten the screw on the tip of the driver bit.
ドライバビット１０１が被ネジ締め部品に向かっておさ
れるとドライバビット１０１の先端がネジ頭にかみあい
、ネジに回転力が伝達される。When the driver bit 101 is pushed toward the component to be screwed, the tip of the driver bit 101 engages with the screw head, and rotational force is transmitted to the screw.
以上の一連の動作で、極めて簡単な構造でネジを確実に
１ケづつドライバビット先端上に送り、ネジ締めを行な
うことができる装置を提供できる効果がある。The series of operations described above has the effect of providing a device that can reliably feed screws one by one onto the tip of the driver bit and tighten the screws with an extremely simple structure.
ブレード２０３の一方にブラシ状の部材を用いると、ネ
ジのネジ整列サイドへの挿入がより正確に行える。これ
はブラシの先によってネジ整列サイドの溝に引っかかっ
ているネジがおされネジが姿勢を直しながら溝に落ちる
からである。If a brush-like member is used on one side of the blade 203, the screw can be inserted into the screw alignment side more accurately. This is because the tip of the brush pushes the screw stuck in the groove on the screw alignment side and the screw corrects its position and falls into the groove.
以上の実施例では、ドライバピッ１〜からホッパ２の回
転ドラム２０５への回転力の伝達をベルト２０２にて行
ったが、ドライバビットに歯車をはめこみ、回転ドラム
２０５の周辺に設けた歯車と嵌合させ、回転力を伝えて
もよい。また、ドライバビット自身の周辺に歯車を切っ
てもよい。In the embodiments described above, the rotational force was transmitted from the driver bits 1 to 2 to the rotating drum 205 of the hopper 2 using the belt 202, but a gear was fitted into the driver bit and fitted with a gear provided around the rotating drum 205. They may be combined to transmit rotational force. Alternatively, a gear may be cut around the driver bit itself.
本考案によれば、従来の複雑で大きく高価なネジ締機に
比べて、小形軽量で安価なネジ締めドライバおよびネジ
供給装置を提供することができることにより、ネジ締作
業の合理化を図ることができる。According to the present invention, screw tightening work can be streamlined by providing a screw tightening driver and screw supply device that are smaller, lighter, and cheaper than conventional complicated, large, and expensive screw tightening machines. .
第１図は本考案の一実施例の断面図、第２図は従来方法
によるメカチャック機構、第３図は同じ〈従来方法によ
る真空チャックの機構断面図である。
１・・・ネジ締ドライバ、２・・・ネジ収納ホッパ、３
・・・搬送ガイド、４・・・ネジ分離カム、５・・・ネ
ジ保持部、１０１・・・ドライバビット、２０１・・・
ネジ整列ガイド、２０２・・・ベルト、２０３・・・ブ
レード、２０４・・・固定軸、２０５・・・回転ドラム
２０５．５０１，５０２−・・磁石FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a mechanical chuck mechanism according to a conventional method, and FIG. 3 is a sectional view of a vacuum chuck mechanism according to the same conventional method. 1...Screw tightening driver, 2...Screw storage hopper, 3
...Conveyance guide, 4...Screw separation cam, 5...Screw holding part, 101...Driver bit, 201...
Screw alignment guide, 202... Belt, 203... Blade, 204... Fixed shaft, 205... Rotating drum 205.501, 502-... Magnet
Claims (1)
イバに装着されるネジ供給装置であって、 複数のネジが収納されるネジ収納部と、 駆動力によって該ネジ収納部に収納された複数のネジか
ら１つのネジを選択する選択手段と、 ドライバビットの回転力から該選択手段に駆動力を供給
する駆動力伝達手段と、 該選択手段によって選択されたネジをドライバビットの
先端部に供給するネジ搬送手段と、 ネジをドライバビットの先端部に保持する保持手段を備
えたネジ供給装置。 ２、ドライバビットを回転させる駆動手段を備えたドラ
イバに装着されるネジ供給装置であつて； 固定軸と、該固定軸の周りに回転可能に保持された回転
ドラムと、該回転ドラムの内壁に設けられたブレードと
、ネジが整列させられる整列手段とを備え、複数のネジ
が収納されるネジ収納部と； ドライバビットの回転力を該回転ドラムに伝達する駆動
力伝達手段と； 該整列手段から供給されたネジをドライバビットの先端
部に供給するネジ搬送手段と； ネジをドライバビットの先端部に保持する保持手段を備
えたネジ供給装置。 ３、ドライバビットを回転させる駆動手段を備えたドラ
イバに装着されるネジ供給装置であって、 複数のネジが収納されるネジ収納部と、 該ネジ収納部に収納された複数のネジから１つのネジを
選択する選択手段と、 該選択手段によって選択されたネジをドライバビットの
先端部に供給するネジ搬送手段と、 磁力によってネジをドライバビットの先端部に保持する
保持手段を備えたネジ供給装置。 ４、請求項１又は２又は３において、該ネジ搬送手段は
ドライバビットの上下運動によって動作するネジの分離
機構を備えた事を特徴とするネジ供給装置。 ５、ドライバビットと； 該ドライバビットを回転させる駆動手段と； 固定軸と、該固定軸の周りに回転可能に保持された回転
ドラムと、該回転ドラムの内壁に設けられたブレードと
、ネジが整列させられる整列手段とを備え、複数のネジ
が収納されるネジ収納部と； 該ドライバビットの回転力を該回転ドラムに伝達する駆
動力伝達手段と； 該整列手段から供給されたネジをドライバビットの先端
部に供給するネジ搬送手段と； 該ネジ搬送手段によって供給されたネジを該ドライバビ
ットの先端部に保持する保持手段を備えたネジ締めドラ
イバ[Scope of Claims] 1. A screw feeding device attached to a driver that is equipped with a drive means for rotating a driver bit, comprising: a screw storage part in which a plurality of screws are stored; a selection means for selecting one screw from a plurality of stored screws; a driving force transmission means for supplying driving force from the rotational force of the driver bit to the selection means; A screw feeding device comprising a screw conveying means for feeding the screw to the tip and a holding means for holding the screw to the tip of the driver bit. 2. A screw feeding device attached to a driver having a drive means for rotating a driver bit, comprising: a fixed shaft; a rotating drum rotatably held around the fixed shaft; a screw storage section in which a plurality of screws are stored, comprising a blade provided therein and an alignment means for aligning the screws; a driving force transmission means for transmitting the rotational force of the driver bit to the rotating drum; and the alignment means. A screw feeding device comprising: a screw conveying means for feeding the screw supplied from the screw to the tip of the driver bit; and a holding means for holding the screw to the tip of the driver bit. 3. A screw feeding device attached to a driver, which is equipped with a drive means for rotating a driver bit, and includes a screw storage section in which a plurality of screws are stored, and a screw supply device that extracts one screw from the plurality of screws stored in the screw storage section. A screw supply device comprising: a selection means for selecting a screw; a screw conveyance means for supplying the screw selected by the selection means to the tip of the driver bit; and a holding means for holding the screw at the tip of the driver bit by magnetic force. . 4. The screw feeding device according to claim 1, wherein the screw conveying means includes a screw separating mechanism operated by the vertical movement of the driver bit. 5. A driver bit; a driving means for rotating the driver bit; a fixed shaft, a rotating drum rotatably held around the fixed shaft, a blade provided on the inner wall of the rotating drum, and a screw. a screw storage section in which a plurality of screws are stored; and a driving force transmitting means for transmitting the rotational force of the driver bit to the rotating drum; A screw tightening driver comprising: a screw conveying means for supplying the screw to the tip of the bit; and a holding means for holding the screw supplied by the screw conveying means to the tip of the driver bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26602888A JPH02116432A (en) | 1988-10-24 | 1988-10-24 | Screw tightening driver and screw feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26602888A JPH02116432A (en) | 1988-10-24 | 1988-10-24 | Screw tightening driver and screw feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116432A true JPH02116432A (en) | 1990-05-01 |
Family
ID=17425384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26602888A Pending JPH02116432A (en) | 1988-10-24 | 1988-10-24 | Screw tightening driver and screw feeding device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116432A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0556322U (en) * | 1992-01-16 | 1993-07-27 | アイワ株式会社 | Parts placement device for screws, etc. |
| JP2012210678A (en) * | 2011-03-31 | 2012-11-01 | Aisin Aw Co Ltd | Bolt tightening device |
-
1988
- 1988-10-24 JP JP26602888A patent/JPH02116432A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0556322U (en) * | 1992-01-16 | 1993-07-27 | アイワ株式会社 | Parts placement device for screws, etc. |
| JP2012210678A (en) * | 2011-03-31 | 2012-11-01 | Aisin Aw Co Ltd | Bolt tightening device |
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