JP2001150146A - Device for driving welding device - Google Patents
Device for driving welding deviceInfo
- Publication number
- JP2001150146A JP2001150146A JP33262499A JP33262499A JP2001150146A JP 2001150146 A JP2001150146 A JP 2001150146A JP 33262499 A JP33262499 A JP 33262499A JP 33262499 A JP33262499 A JP 33262499A JP 2001150146 A JP2001150146 A JP 2001150146A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- shaft
- motor
- ball screw
- screw shaft
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- 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
-
- 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
- B23K11/314—Spot welding guns, e.g. mounted on robots
-
- 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
- B23K11/314—Spot welding guns, e.g. mounted on robots
- B23K11/315—Spot welding guns, e.g. mounted on robots with one electrode moving on a linear path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、モ―タによって駆
動される加圧軸を備えた溶接装置の駆動装置に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driving device for a welding device having a pressure shaft driven by a motor.
【０００２】[0002]
【従来の技術】従来、モ―タによって駆動され該モ―タ
内に引き込まれる部位を有するロッド（加圧軸）を備え
た溶接ガンで、モ―タの回転子を中空軸に形成し、該回
転子内にボ―ルネジ軸端を固定し、該ボ―ルネジ軸と螺
合するボ―ルナットを前記加圧軸端に固定し、加圧軸及
びボ―ルナットが回転子の内周部でも移動可能とされた
溶接ガンは、例えば特開平１１ー１９７８４３号公報に
示すように公知である。2. Description of the Related Art Conventionally, a welding gun provided with a rod (pressurizing shaft) having a portion driven by a motor and drawn into the motor, the rotor of the motor being formed in a hollow shaft, A ball screw shaft end is fixed in the rotor, and a ball nut screwed to the ball screw shaft is fixed to the pressure shaft end, and the pressure shaft and the ball nut are fixed to the inner peripheral portion of the rotor. However, a movable welding gun is known as disclosed in, for example, Japanese Patent Application Laid-Open No. H11-197843.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記従来例
の溶接ガンの駆動装置の場合には、加圧軸端に固定され
たボ―ルナットが、加圧軸の径よりも大径のものとなっ
ているため、回転子を中空軸の径はボ―ルナットの径よ
りも更に大きく構成され、結果的にモ―タの径も大きく
なると共に、加圧軸とボ―ルナットとの間に外周上で段
差が形成された状態となって、該段差部近傍が加圧軸の
軸受部を摺動することができず加圧軸の一部は直動ガイ
ドに利用できないことから、結果的に加圧軸が長くなる
虞がある。However, in the conventional welding gun driving device described above, the ball nut fixed to the end of the pressing shaft has a diameter larger than that of the pressing shaft. As a result, the diameter of the hollow shaft of the rotor is configured to be even larger than the diameter of the ball nut, and as a result, the diameter of the motor also increases, and the outer circumference is located between the pressure shaft and the ball nut. Since a step is formed above, the vicinity of the step cannot slide on the bearing of the pressure shaft, and a part of the pressure shaft cannot be used for the linear motion guide. There is a possibility that the pressing shaft becomes long.
【０００４】本発明は、従来の技術の有するこのような
問題点に鑑みてなされたものであり、その目的とすると
ころは、モ―タの回転子の内径を可能な限り小さくし
て、小型化されたモ―タが使用でき、さらに全体の長さ
も短くできる溶接装置の駆動装置を提供しようとするも
のである。The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to reduce the inner diameter of the rotor of a motor as small as possible to reduce the size of the motor. It is an object of the present invention to provide a drive device for a welding device that can use a simplified motor and can reduce the overall length.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明における溶接装置の駆動装置は、モ―タの回
転子を中空軸に形成し、該回転子内にボ―ルネジ軸を固
定し、該ボ―ルネジ軸と螺合するボ―ルナットを前記加
圧軸端部内に固定し、該加圧軸の外径を前記回転子の内
径より少し小さくして直動ガイド部を構成し、該直動ガ
イド部が回転子の内周面内を移動可能とされたことを特
徴とするものである。In order to achieve the above object, a driving apparatus for a welding apparatus according to the present invention has a rotor of a motor formed in a hollow shaft, and a ball screw shaft in the rotor. A ball nut to be fixed and screwed with the ball screw shaft is fixed in the end of the pressure shaft, and the outer diameter of the pressure shaft is made slightly smaller than the inner diameter of the rotor to constitute a linear motion guide portion. Further, the linear motion guide portion is movable in the inner peripheral surface of the rotor.
【０００６】また、前記直動ガイド部の軸受の一部をモ
―タ内部に位置させ、該軸受の内面を直動ガイド部が摺
動可能としたことを特徴とするものである。Further, a part of the bearing of the linear guide is located inside the motor, and the linear guide is slidable on the inner surface of the bearing.
【０００７】また、前記ボ―ルネジ軸を摩擦力を利用し
て回転子に固定したことを特徴とするものである。Further, the ball screw shaft is fixed to the rotor by utilizing a frictional force.
【０００８】また、前記ボ―ルネジ軸の後端部に手動に
より該ボ―ルネジ軸を回転させる加工孔または加工突部
を形成したことを特徴とするものである。[0008] Further, a processing hole or a processing protrusion for manually rotating the ball screw shaft is formed at a rear end portion of the ball screw shaft.
【０００９】[0009]
【発明の実施の形態】図１を参照してこの発明の実施例
について説明をする。図において、１はサ―ボモ―タで
あり、該サ―ボモ―タ１は、その外殻２に固定された固
定子巻線３とその内周に配置された回転子磁極４及び該
回転子磁極４が固定された回転子５とからなり、該回転
子５は中空軸で構成され軸受６，６によってサ―ボモ―
タ１の前記外殻２に軸支されている。また、回転子５に
はサ―ボモ―タ１の軸芯部に位置するボ―ルネジ軸７が
固定手段８で固定されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIG. In the figure, reference numeral 1 denotes a servomotor, which is composed of a stator winding 3 fixed to an outer shell 2, a rotor magnetic pole 4 arranged on an inner periphery thereof, and a rotating motor. And a rotor 5 having a fixed rotor magnetic pole 4. The rotor 5 is formed of a hollow shaft and has
The shaft 1 is pivotally supported by the outer shell 2. Further, a ball screw shaft 7 located at the shaft core of the servomotor 1 is fixed to the rotor 5 by fixing means 8.
【００１０】９は加圧軸であり、該加圧軸９の後端側内
部には、前記ボ―ルネジ軸７のネジと間接的にボ―ル１
０を介して噛み合うネジを備えたボ―ルナット１１が螺
着固定されている。また、該加圧軸９の前部はサ―ボモ
―タ１から延出可能とされ、その前端部には、Ｃ型ガン
においてはワ―クを加圧溶接する電極（図示せず）が、
Ｘ型ガンにおいてはガンア―ムと接続する接続部材（図
示せず）が、溶接治具においては例えばワ―ク載置用テ
―ブル（図示せず）等が接続されるようになっている。Reference numeral 9 denotes a pressure shaft. Inside the rear end side of the pressure shaft 9, the ball 1 is indirectly connected to the screw of the ball screw shaft 7.
A ball nut 11 having a screw that meshes with the ball nut 11 is screwed and fixed. Further, a front portion of the pressure shaft 9 can be extended from the servomotor 1, and an electrode (not shown) for press-welding the work in the case of a C-type gun is provided at the front end portion. ,
In the X-type gun, a connecting member (not shown) for connecting to the gun arm is connected, and in the welding jig, for example, a work mounting table (not shown) or the like is connected. .
【００１１】また、該加圧軸９の全体或は大部分はその
外径が均一に形成され、しかもその外径は前記中空状の
回転子５の内径より少し小さくなっており、サ―ボモ―
タ１内に引き込まれる部位の加圧軸９で構成される直動
ガイド部は回転子５の内周面内を移動するものである。The entire or most part of the pressure shaft 9 has a uniform outer diameter, and the outer diameter is slightly smaller than the inner diameter of the hollow rotor 5. ―
The linear motion guide portion constituted by the pressure shaft 9 of the portion to be drawn into the rotor 1 moves within the inner peripheral surface of the rotor 5.
【００１２】上記のような溶接装置の駆動装置におい
て、図示の状態では加圧軸９がサ―ボモ―タ１から最も
延出した状態にある。この状態から加圧軸９をサ―ボモ
―タ１内に引き込むには、サ―ボモ―タ１の固定子巻線
３に例えば三相電流を供給すると、回転子磁極４が励磁
され回転子５が回転し、該回転子５に固定されたボ―ル
ネジ軸７が回転を行う。該ボ―ルネジ軸７の回転に伴っ
てボ―ルナット１１はボ―ルネジ軸７に沿って移動する
ので、ボ―ルナット１１を内蔵した加圧軸９は回転子５
の内周面を移動しながらサ―ボモ―タ１内に順次引き込
まれて、サ―ボモ―タ１からの延出量を少なくする。In the driving device of the welding apparatus as described above, the pressing shaft 9 is in the state of being most extended from the servomotor 1 in the state shown in the figure. In order to pull the pressure shaft 9 into the servo motor 1 from this state, when a three-phase current is supplied to the stator winding 3 of the servo motor 1, for example, the rotor magnetic poles 4 are excited and the rotor is excited. 5 rotates, and the ball screw shaft 7 fixed to the rotor 5 rotates. Since the ball nut 11 moves along the ball screw shaft 7 with the rotation of the ball screw shaft 7, the pressurizing shaft 9 having the built-in ball nut 11 is rotated by the rotor 5
Are sequentially drawn into the servomotor 1 while moving on the inner peripheral surface of the motor, and the amount of extension from the servomotor 1 is reduced.
【００１３】このように、回転子５内にボ―ルネジ軸７
を固定し、該ボ―ルネジ軸７と螺合するボ―ルナット１
１を加圧軸９端部内に固定し、該加圧軸９の外径を前記
回転子５の内径より少し小さくした直動ガイド部を構成
し、回転子５の内周面内を前記直動ガイド部が移動可能
としたので、加圧軸９のサ―ボモ―タ１から延出する長
さを短縮しながら回転子５の内径は著しく小さくするこ
とができる。As described above, the ball screw shaft 7 is provided in the rotor 5.
And a ball nut 1 screwed with the ball screw shaft 7
1 is fixed in the end of the pressure shaft 9, and constitutes a linear motion guide portion in which the outer diameter of the pressure shaft 9 is slightly smaller than the inner diameter of the rotor 5. Since the moving guide is movable, the inner diameter of the rotor 5 can be significantly reduced while the length of the pressurizing shaft 9 extending from the servomotor 1 is reduced.
【００１４】また、１２はサ―ボモ―タ１の外殻２を構
成する前壁１３に固定された軸受であり、前記加圧軸９
の直動ガイド部の軸受として、その軸受部の一部をサ―
ボモ―タ１内部に位置させている。そして、該軸受１２
の内径は加圧軸９の直動ガイド部の外径と実質的に同一
とされていて、前記加圧軸９の直動ガイド部は軸受１２
の内面を摺動できるようになっている。Reference numeral 12 denotes a bearing fixed to a front wall 13 constituting the outer shell 2 of the servomotor 1, and the pressure shaft 9
Part of the bearing as a bearing for the linear motion guide
It is located inside the motor 1. And, the bearing 12
Has an inner diameter substantially the same as the outer diameter of the linear motion guide portion of the pressure shaft 9, and the linear motion guide portion of the pressure shaft 9 has a bearing 12.
Can be slid on the inner surface.
【００１５】このように構成することにより、従来例の
ようなサ―ボモ―タより前方の加圧軸の途中に軸受を別
設したものに比して、加圧軸を短くすることができるば
かりでなく、溶接装置の駆動装置を短縮小型化すること
ができる。With this configuration, the pressure shaft can be shortened as compared with the prior art in which a bearing is separately provided in the middle of the pressure shaft in front of the servomotor. In addition, the driving device of the welding device can be shortened and downsized.
【００１６】また、回転子５にボ―ルネジ軸７を固定部
８で固定するのに、例えばクサビによる摩擦効果を利用
したリング状のような摩擦力を利用した固定手段を用い
ると、焼きばめや冷やしばめ等の面倒な操作を必要とぜ
す、両者の固着が容易にできるかとになる。When the ball screw shaft 7 is fixed to the rotor 5 by the fixing portion 8, for example, a ring-like fixing means utilizing a frictional effect by wedges is used, so It is necessary to perform a troublesome operation such as a cold fit or a cold fit.
【００１７】さらに、ボ―ルネジ軸７の後端部に手動に
より該ボ―ルネジ軸７を回転させる加工孔１４または加
工突部（図示せず）を形成した場合には、駆動装置が故
障した際に加工孔１４または加工突部に手動ハンドル
（図示せず）を装着して該ハンドルの回動によってボ―
ルネジ軸７を回転させることにより、加圧軸９を所望の
待機位置に移動させることができるものである。Further, if a machining hole 14 or a machining projection (not shown) for manually rotating the ball screw shaft 7 is formed at the rear end of the ball screw shaft 7, the drive device breaks down. At this time, a manual handle (not shown) is attached to the machining hole 14 or the machining protrusion, and the handle is
By rotating the screw shaft 7, the pressing shaft 9 can be moved to a desired standby position.
【００１８】なお、以上の実施例ではモ―タとしてサ―
ボモ―タを採用したものについて説明をしたが、モ―タ
としては周知の例えばステッピングモ―タ，インバ―タ
モ―タ，リラクタンスモ―タ等適宜のモ―タを採用して
もよい。In the above embodiment, the motor is used as a server.
Although the description has been made of the motor adopting the motor, an appropriate motor such as a stepping motor, an inverter motor, a reluctance motor or the like may be employed as the motor.
【００１９】[0019]
【発明の効果】本発明においては、回転子内にボ―ルネ
ジ軸を固定し、該ボ―ルネジ軸と螺合するボ―ルナット
を加圧軸端部内に固定し、該加圧軸の外径を前記回転子
の内径より少し小さくして直動ガイド部を構成し、回転
子の内周面内を前記直動ガイド部が移動可能としたの
で、加圧軸のモ―タから延出する長さを短縮しながら回
転子の内径は著しく小さくすることができて、小型化さ
れたモ―タが使用でき、さらに全体の長さも短くできる
溶接装置の駆動装置となる。According to the present invention, a ball screw shaft is fixed in the rotor, and a ball nut screwed with the ball screw shaft is fixed in the end of the pressure shaft. The diameter is slightly smaller than the inner diameter of the rotor to form a linear guide, and the linear guide is movable within the inner peripheral surface of the rotor, so that the linear guide extends from the motor of the pressure shaft. The inner diameter of the rotor can be significantly reduced while shortening the required length, so that a miniaturized motor can be used, and the overall length of the rotor can be reduced.
【００２０】そして、前記直動ガイド部の軸受の一部を
モ―タ内部に位置させ、該軸受の内面を直動ガイド部が
摺動可能とした場合には、加圧軸をさらに短くすること
ができるばかりでなく、溶接装置の駆動装置もさらに短
縮小型化することができるものである。When a part of the bearing of the linear motion guide portion is located inside the motor and the linear motion guide portion is slidable on the inner surface of the bearing, the pressure shaft is further shortened. Not only that, the driving device of the welding device can be further shortened and downsized.
【００２１】また、前記ボ―ルネジ軸を摩擦力を利用し
て回転子に固定した場合には、回転子に対するボ―ルネ
ジ軸の固着が極めて容易となり、より製作コストの安い
溶接装置の駆動装置が得られる。Further, when the ball screw shaft is fixed to the rotor using frictional force, it becomes extremely easy to fix the ball screw shaft to the rotor. Is obtained.
【００２２】さらに、前記ボ―ルネジ軸の後端部に手動
により該ボ―ルネジ軸を回転させる加工孔または加工突
部を形成した場合には、駆動装置の保守や修理が容易な
溶接装置の駆動装置が得られる。Further, in the case where a machining hole or a machining projection for manually rotating the ball screw shaft is formed at the rear end of the ball screw shaft, a welding device which is easy to maintain and repair the driving device is provided. A drive is obtained.
【図１】本発明に係る溶接装置の駆動装置の縦断面図で
ある。FIG. 1 is a longitudinal sectional view of a driving device of a welding device according to the present invention.
１ サ―ボモ―タ ５ 回転子 ７ ボ―ルネジ軸 ８ ボ―ルネジ軸の固定部 ９ 加圧軸 １１ ボ―ルナット １２ 直動ガイド部の軸受 １４ ハンドル用加工孔 DESCRIPTION OF SYMBOLS 1 Servo motor 5 Rotor 7 Ball screw shaft 8 Ball screw shaft fixing part 9 Pressurizing shaft 11 Ball nut 12 Linear guide bearing 14 Machined hole for handle
Claims (4)
き込まれる部位を有する加圧軸を備えた溶接装置におい
て、モ―タの回転子を中空軸に形成し、該回転子内にボ
―ルネジ軸を固定し、該ボ―ルネジ軸と螺合するボ―ル
ナットを前記加圧軸端部内に固定し、該加圧軸の外径を
前記回転子の内径より小さくして直動ガイド部を構成
し、該直動ガイド部が回転子の内周面内を移動可能とさ
れたことを特徴とする溶接装置の駆動装置。1. A welding apparatus having a pressurizing shaft having a portion driven by a motor and drawn into the motor, wherein a rotor of the motor is formed in a hollow shaft, and the rotor is provided in the rotor. A ball screw shaft is fixed, a ball nut screwed to the ball screw shaft is fixed in the end of the pressing shaft, and the outer diameter of the pressing shaft is made smaller than the inner diameter of the rotor to move linearly. A driving device for a welding device, comprising a guide portion, wherein the linear motion guide portion is movable within an inner peripheral surface of the rotor.
内部に位置させ、該軸受の内面を直動ガイド部が摺動可
能としたことを特徴とする請求項１記載の溶接装置の駆
動装置。2. The welding according to claim 1, wherein a part of the bearing of the linear guide is located inside the motor, and the linear guide is slidable on the inner surface of the bearing. The drive of the device.
転子に固定したことを特徴とする請求項１又は請求項２
記載の溶接装置の駆動装置。3. The ball screw shaft is fixed to a rotor using frictional force.
A driving device for the welding device according to the above.
該ボ―ルネジ軸を回転させる加工孔または加工突部を形
成したことを特徴とする請求項１又は請求項２又は請求
項３記載の溶接装置の駆動装置。4. A processing hole or a processing protrusion for manually rotating the ball screw shaft is formed at a rear end portion of the ball screw shaft. A driving device for the welding device according to the above.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33262499A JP4722247B2 (en) | 1999-11-24 | 1999-11-24 | Driving device for welding equipment |
| US09/533,561 US6223971B1 (en) | 1999-11-24 | 2000-03-22 | Driving unit of a welding equipment |
| KR1020000017848A KR100597288B1 (en) | 1999-11-24 | 2000-04-06 | Driving unit of a welding equipment |
| EP00107874A EP1103332B1 (en) | 1999-11-24 | 2000-04-12 | Driving unit of a welding equipment |
| DE60015696T DE60015696T2 (en) | 1999-11-24 | 2000-04-12 | Drive unit of a welding device |
| AT00107874T ATE281904T1 (en) | 1999-11-24 | 2000-04-12 | DRIVE UNIT OF A WELDING DEVICE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33262499A JP4722247B2 (en) | 1999-11-24 | 1999-11-24 | Driving device for welding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001150146A true JP2001150146A (en) | 2001-06-05 |
| JP4722247B2 JP4722247B2 (en) | 2011-07-13 |
Family
ID=18257041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33262499A Expired - Lifetime JP4722247B2 (en) | 1999-11-24 | 1999-11-24 | Driving device for welding equipment |
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| Country | Link |
|---|---|
| JP (1) | JP4722247B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006126243A1 (en) * | 2005-05-23 | 2006-11-30 | Harmonic Drive Systems Inc. | Method of connecting and fixing ball screw shaft to motor shaft |
| EP1935550A1 (en) * | 2006-12-22 | 2008-06-25 | Obara Corporation | Driving unit of a welding gun |
| JPWO2006114884A1 (en) * | 2005-04-22 | 2008-12-11 | 株式会社ハーモニック・ドライブ・システムズ | Ball screw / nut type linear actuator |
| CN102145431A (en) * | 2010-02-05 | 2011-08-10 | 本田技研工业株式会社 | Welding gun |
| CN106394091A (en) * | 2016-11-27 | 2017-02-15 | 洛阳丰泰铝业有限公司 | Transmission device for carving aluminum-wood composite door or window |
| US9879766B2 (en) | 2015-04-28 | 2018-01-30 | Nidec Corporation | Rotary transmitting assembly, device for converting rotary motion to linear motion, and motor |
| CN112855887A (en) * | 2021-03-19 | 2021-05-28 | 易通共享技术(广州)有限公司 | Electronic braking variable-tension driver for vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0345306U (en) * | 1989-09-12 | 1991-04-26 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08326864A (en) * | 1995-05-31 | 1996-12-10 | Pentel Kk | Linear driver |
| JP3575581B2 (en) * | 1997-05-27 | 2004-10-13 | 株式会社電元社製作所 | Electric gun |
| JP3701456B2 (en) * | 1998-01-19 | 2005-09-28 | 本田技研工業株式会社 | Electric spot welding gun |
-
1999
- 1999-11-24 JP JP33262499A patent/JP4722247B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0345306U (en) * | 1989-09-12 | 1991-04-26 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2006114884A1 (en) * | 2005-04-22 | 2008-12-11 | 株式会社ハーモニック・ドライブ・システムズ | Ball screw / nut type linear actuator |
| WO2006126243A1 (en) * | 2005-05-23 | 2006-11-30 | Harmonic Drive Systems Inc. | Method of connecting and fixing ball screw shaft to motor shaft |
| JPWO2006126243A1 (en) * | 2005-05-23 | 2008-12-25 | 株式会社ハーモニック・ドライブ・システムズ | Method of connecting and fixing the ball screw shaft to the motor shaft |
| EP1935550A1 (en) * | 2006-12-22 | 2008-06-25 | Obara Corporation | Driving unit of a welding gun |
| JP2008155234A (en) * | 2006-12-22 | 2008-07-10 | Obara Corp | Driving unit of welding equipment |
| CN102145431A (en) * | 2010-02-05 | 2011-08-10 | 本田技研工业株式会社 | Welding gun |
| US9879766B2 (en) | 2015-04-28 | 2018-01-30 | Nidec Corporation | Rotary transmitting assembly, device for converting rotary motion to linear motion, and motor |
| KR101833816B1 (en) * | 2015-04-28 | 2018-03-02 | 니혼 덴산 가부시키가이샤 | Rotary transmitting assembly, device for converting rotary motion to linear motion, and motor |
| CN106394091A (en) * | 2016-11-27 | 2017-02-15 | 洛阳丰泰铝业有限公司 | Transmission device for carving aluminum-wood composite door or window |
| CN112855887A (en) * | 2021-03-19 | 2021-05-28 | 易通共享技术(广州)有限公司 | Electronic braking variable-tension driver for vehicle |
| CN112855887B (en) * | 2021-03-19 | 2022-03-29 | 易通共享技术(广州)有限公司 | Electronic braking variable-tension driver for vehicle |
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| JP4722247B2 (en) | 2011-07-13 |
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