WO2014167724A1 - ワイヤ吸引装置およびワイヤ回収装置 - Google Patents
ワイヤ吸引装置およびワイヤ回収装置 Download PDFInfo
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- WO2014167724A1 WO2014167724A1 PCT/JP2013/061108 JP2013061108W WO2014167724A1 WO 2014167724 A1 WO2014167724 A1 WO 2014167724A1 JP 2013061108 W JP2013061108 W JP 2013061108W WO 2014167724 A1 WO2014167724 A1 WO 2014167724A1
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- wire
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- suction device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
- B23H7/108—Used wire disposal devices
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- the present invention relates to a wire suction device and a wire recovery device for recovering a wire in a wire electric discharge machining apparatus.
- a wire electric discharge machine has a wire electrode holding portion including a wire electrode bobbin around which a wire electrode is wound, a wire electrode feed roller that feeds the wire electrode, and a wire including a guide pipe that guides the wire electrode to an upper wire electrode guide portion.
- Automatic electrode connection device upper wire supply that supplies current while contacting the wire electrode, and upper wire electrode guide portion including an upper die that holds the wire electrode during processing, lower wire supply that supplies current while contacting the wire electrode And a lower wire electrode guide part including a lower die for holding the wire electrode during processing, a lower roller that changes the direction of the wire electrode, and a wire including an aspirator that ejects a fluid that easily conveys the wire electrode to the wire electrode recovery part
- a discharge is generated by applying a pulse voltage between the wire electrode and the workpiece while collecting the wire electrode, and the workpiece, the upper wire electrode guide portion and the lower wire electrode guide portion are moved relative to each other.
- a workpiece is processed into a sawtooth shape in an arbitrary shape.
- a wire electrode having a diameter of 0.3 mm to 0.1 mm is used, and the wire electrode recovery unit passes through the upper wire electrode guide part, the processing start hole of the workpiece, the lower wire electrode guide part, and the lower roller part by the wire electrode automatic connection device. The connection is completed automatically.
- a wire electrode having a diameter of less than 0.1 mm is used, there is a problem that the wire electrode is wound around the collection roller due to the adhesion of the fluid that is easily conveyed and adhered to the collection roller.
- JP 2006-224215 A Japanese Patent Laid-Open No. 02-059221 JP 07-001246 A
- Patent Document 1 in order to prevent the wire electrode from being wrapped around the collection roller during insertion, the collection roller is opened and the wire electrode is conveyed to the ejector by a pipe that guides the wire electrode. In this case, since a complicated mechanism for moving the pipe is used, there is a drawback that trouble is likely to occur.
- the opening end of the wire introduction port is made extremely sharp with respect to the collection roller by sharpening the peripheral wall of the wire introduction port of the guide tube so as to have a shape with high adhesion to the collection roller. It is described that the wire can be made to approach and the wire can be efficiently sucked.
- the opening end of the wire introduction port extremely close to the collection roller, there is no air flow around the wire introduction port due to blocking the air inlet, and the tip of the wire electrode wound around the collection roller can be sucked. There is a problem of disappearing. If the guide tube is not sharpened, an air flow is generated by the suction force, but it is not reliably transmitted to the wire electrode, and the tip of the wire electrode is wound around the collecting roller.
- the present invention has been made in view of the above, and an object of the present invention is to obtain a wire suction device and a wire recovery device that can reliably prevent the wire electrode from being wound around the recovery roller with a simple configuration. .
- the present invention is to discharge the first and second recovery rollers that sandwich and discharge the wire electrode that has traveled in the region where the workpiece is subjected to electric discharge machining from both sides.
- a wire suction device that is disposed on the side and sucks the discharged wire electrode in the collecting direction, and includes a first sharpened portion that is in close contact with one side of the peripheral surfaces of the first and second collecting rollers.
- a through hole for running in the collection direction is formed in the center, and a gap is formed between the first curved surface and the second curved surface between the first curved surface and the second curved surface. So that two grooves are formed in contact with the through hole. And a third member that connects the first member and the second member, and fluid is supplied to one of the first, second, and third members in the recovery direction of the through hole. A fluid ejection port for ejecting is formed.
- the wire suction device according to the present invention has an effect that the wire electrode can be reliably collected by preventing the wire electrode from being wound around the wire electrode collecting roller.
- FIG. 1 is a diagram illustrating a configuration of a wire electric discharge machine according to a first embodiment of the present invention.
- FIG. 2 is a perspective view of an aspirator as a wire suction device according to the first embodiment.
- FIG. 3 is a cross-sectional view of the aspirator when the aspirator according to the first embodiment is viewed from the direction of the rotation axis of the wire electrode recovery roller.
- FIG. 4 is a perspective view in a situation where the aspirator according to the first embodiment is used in close contact with the wire electrode recovery roller.
- FIG. 5 is another perspective view in a situation where the aspirator according to the first embodiment is used in close contact with the wire electrode recovery roller.
- FIG. 6 is a diagram illustrating a state in which the aspirator according to the first embodiment is viewed from the rotation axis direction in a state where the aspirator is used in close contact with the wire electrode recovery roller.
- FIG. 7 is a schematic diagram for explaining the operation of the wire recovery apparatus according to the first embodiment.
- FIG. 8 is a diagram illustrating a wire electrode collection delivery belt according to a second embodiment.
- FIG. 9 is a view showing a state in which the aspirator according to the second embodiment is viewed from the direction of the rotation axis in a situation where the aspirator is used in close contact with the wire electrode collection delivery belt.
- FIG. 10 is a diagram illustrating a state in which the aspirator according to the third embodiment is viewed from the direction of the rotation axis in a situation where the aspirator is used in close contact with the lower roller.
- FIG. 11 is a perspective view of an aspirator as a wire suction device according to the third embodiment.
- FIG. 1 is a diagram illustrating a configuration of a wire electric discharge machine according to a first embodiment of the present invention.
- the wire electric discharge machine includes a wire electrode bobbin 11 around which a wire electrode 1 is wound and a wire electrode holding portion including pulleys 12 a, 12 b, and 12 c that change the direction of the wire electrode 1.
- a wire electrode feed roller 21 that feeds the wire electrode 1 and the wire electrode 1 is provided with an upper wire electrode guide portion composed of a machining liquid nozzle 46.
- a wire guide recovery roller 81a, 81b for recovering the wire electrode 1 and a wire guide recovery roller 81a, 81b for recovering the wire electrode 1 is provided.
- a wire electrode recovery section comprising a wire electrode recovery pipe end 82 for separating the electrode 1 and fluid; Block 71, lower roller 72 that changes the direction of the wire electrode 1, and negative pressure that facilitates the conveyance of the wire electrode 1 from the lower die 63 to the lower guide 64, and at the same time, the wire electrode 1 is fed to the wire electrode recovery unit
- An aspirator 73 that ejects a fluid that facilitates conveyance, and a wire electrode feed section that includes a lower guide pipe 74 that guides the wire electrode 1 to the wire electrode collection section. The wire electrode 1 and the workpiece are collected while the wire electrode 1 is collected.
- a discharge is generated by applying a pulse voltage between the workpiece 51 and the workpiece 51, and the workpiece is processed into a sawtooth shape in an arbitrary shape while moving the workpiece 51, the upper wire electrode guide portion and the lower wire electrode guide portion relative to each other.
- a wire electrode 1 having a diameter of 0.3 mm to 0.1 mm, and further less than 0.1 mm is used.
- the wire electrode 1 is automatically sent to the wire electrode collection unit through the upper wire electrode guide unit, the processing start hole of the workpiece 51, the lower wire electrode guide unit, and the lower roller unit by the wire electrode automatic connection device. Is completed.
- FIG. 2 is a perspective view of an aspirator 100 as a wire suction device according to the present embodiment
- FIG. 3 is a cross-sectional view of the aspirator 100 viewed from the direction of the rotation axis of the wire electrode recovery rollers 81a and 81b.
- the aspirator 100 has curved surfaces 105 and 106 that can be brought into close contact with one side of the cylindrical peripheral surfaces of the wire electrode recovery rollers 81a and 81b on the first member 109 and similarly on the other side of the cylindrical peripheral surfaces. Closely curved surfaces 115 and 116 are provided on the second member 110, respectively.
- the curved surfaces 105 and 115 have the same shape as the peripheral surface of the wire electrode recovery roller 81a, and the curved surfaces 106 and 116 have the same shape as the peripheral surface of the wire electrode recovery roller 81b.
- the curved surfaces 105 and 106 form a first curved surface with a sharp portion sandwiched therebetween, and the curved surfaces 115 and 116 form a second curved surface with the sharp portion sandwiched therebetween.
- a suction groove 107 is formed between the curved surface 105 and the curved surface 115, and a suction groove 108 is formed between the curved surface 106 and the curved surface 116.
- the suction groove 108 has a certain width in the rotation axis direction of the wire electrode collection rollers 81a and 81b. Is formed. If the first member 109 and the second member 110 can be brought into close contact with the cylindrical peripheral surfaces of the wire electrode recovery rollers 81a and 81b, the width of the suction grooves 107 and 108 in the rotation axis direction is The width may not necessarily be constant.
- a through-hole 150 sandwiched between the first member 109 and the second member 110 is formed between the suction grooves 107 and 108, and the wire electrode 1 sucked in the through-hole 150 is connected to the wire electrode collection rollers 81a and 81b. It is possible to travel in the collecting direction from the discharge side.
- the first member 109, the second member 110, and the member (third member) that forms the suction grooves 107 and 108 by connecting them are integrally formed even if they are individual components. It doesn't matter.
- the aspirator 100 is used in close contact with the wire electrode collection rollers 81a and 81b in FIG. 4 and 5 are perspective views in this situation, and FIG. 6 is a view of the wire electrode recovery rollers 81a and 81b as viewed from the rotation axis direction.
- the aspirator 100 and the wire electrode recovery rollers 81a and 81b constitute a wire recovery device.
- Compressed air inlets 101 and 102 are formed in a member (third member) that forms the suction grooves 107 and 108 by connecting the first member 109 and the second member 110, and is provided from the outside. It is possible to introduce compressed air. Further, on the side surface of the third member on the side of the through hole 150, compressed air jets 103 and 104 facing the wire electrode recovery (discharge) direction are formed.
- the compressed air is introduced into the compressed air introduction ports 101 and 102 before the wire electrode 1 is transported to the wire recovery device, and the compressed air is ejected from the compressed air ejection ports 103 and 104, whereby the aspirator 100 serving as a suction mechanism is provided.
- a negative pressure is generated at the entrance of the through hole 150.
- outside air flows into the suction grooves 107 and 108 provided in the aspirator 100, so that the wire electrode 1 is separated from the wire electrode recovery rollers 81a and 81b.
- a fluid flow occurs along the line.
- the tip of the wire electrode 1 that is about to be wound around the wire electrode recovery rollers 81a and 81b is conveyed to the discharge side of the aspirator 100 without being wound around the wire electrode recovery rollers 81a and 81b due to the flow of the fluid.
- the compressed air inlet and the compressed air outlet are not necessarily formed in the third member, and may be formed in the first member 109 and the second member 110.
- Two or more compressed air jets which are fluid jets, may be formed as long as they face the wire electrode recovery direction.
- the compressed air is used to generate the negative pressure.
- the fluid is not limited to compressed air as long as the fluid can generate the negative pressure at the entrance of the through hole 150.
- the wrapping prevention of the wire electrode 1 is enhanced by concentrating the flow of outside air only on the flow along the suction grooves 107 and 108.
- FIG. 7 is a schematic diagram for explaining the operation of the wire recovery apparatus according to the present embodiment.
- the wire electrode 1 sandwiched from both sides by the wire electrode collection rollers 81a and 81b and conveyed to the wire collection device tries to be wound around the wire electrode collection rollers 81a and 81b
- the first member 109 and the second member 110 is peeled off from the wire electrode recovery rollers 81a and 81b by the flow of outside air flowing in along the suction grooves 107 and 108 formed between 110, thereby preventing winding.
- the wire electrode 1 is sucked into the negative pressure region of the through hole 150 of the aspirator 100 and is conveyed to the discharge side (collection direction) of the left aspirator 100 in FIG.
- both sides of each of the suction grooves 107 and 108 formed between the first member 109 and the second member 110 that can be in close contact with the wire electrode recovery rollers 81 a and 81 b are provided on the first member 109.
- the flow is blocked by the second member 110 and blocks the flow of outside air from the direction of the rotation axis of the wire electrode recovery rollers 81a and 81b.
- the rotation direction of the wire electrode recovery rollers 81a and 81b of the suction grooves 107 and 108 ( The width in the direction perpendicular to the paper surface in FIG. 7 is arbitrary, but it is sufficient if there is a width in the maximum range of movement of the wire electrode 1 carried out from the wire electrode recovery rollers 81a and 81b in the direction of the rotation axis.
- the suction force is strengthened by narrowing the width of the suction grooves 107 and 108 to the maximum range of movement of the wire electrode 1 in the rotation axis direction, and the peeling effect by the flow of outside air along the suction grooves 107 and 108 is further improved. Can be made.
- Embodiment 2 FIG.
- the mechanism for transporting the wire electrode 1 between the aspirator 100 is the wire electrode recovery rollers 81a and 81b has been described, but the mechanism for transporting the wire electrode 1 is limited to this. is not.
- the mechanism for transporting the wire electrode 1 with the wire recovery device of the wire electric discharge machine is not the wire electrode recovery rollers 81a and 81b shown in FIG. 1, but the wire electrode as shown in FIG. It is assumed that the recovery delivery belts 810a and 810b are used.
- the collection delivery belts 810a and 810b are stretched by wire electrode collection rollers 81a and 81c, 81b and 81d, respectively.
- wire electrode recovery rollers 81 a and 81 b that stretch the recovery delivery belts 810 a and 810 b on the discharge side of the wire electrode 1.
- the wire electrode 1 is drawn by being sandwiched from both sides (upper and lower) by the collection delivery belts 810a and 810b, and discharged toward the aspirator 100 installed as shown in FIG.
- the wire electrode 1 sandwiched between the collection delivery belts 810a and 810b and conveyed is in close contact with the region stretched by the wire electrode collection rollers 81a and 81b of the collection delivery belts 810a and 810b. It is sucked and collected by the aspirator 100.
- the aspirator 100 shown in FIG. 9 has the same configuration as that described in the first embodiment, and the wire electrode 1 is wound around a region stretched by the wire electrode collection rollers 81a and 81b of the collection delivery belts 810a and 810b.
- Embodiment 3 FIG.
- the method of providing the suction groove on the curved surface that can be closely opposed to the cylindrical shape is not limited to the wire recovery device, but the wire electric discharge machine shown in FIG.
- the present invention can also be applied to a wire suction device installed at a subsequent stage of the lower roller 72 that changes the direction of the wire electrode 1.
- An example of an aspirator 200 as such a wire suction device is shown in FIG.
- FIG. 11 is a perspective view of the aspirator 200.
- the aspirator 200 can be closely opposed to the cylindrical shape of the lower roller 72 as shown in FIG. 11 instead of a curved surface having a sharp portion that can be closely opposed to two cylindrical shapes like the aspirator 100.
- the curved surfaces 205 and 215 having various shapes are provided on the first member 209 and the second member 210, respectively.
- a suction groove 207 having a certain width in the rotation axis direction of the lower roller 72 is formed between the curved surfaces 205 and 215. If the first member 209 and the second member 210 can be in close contact with the cylindrical peripheral surface of the lower roller 72, the width of the suction groove 207 in the rotation axis direction is not necessarily constant. It doesn't matter.
- a through-hole 250 sandwiched between the first member 209 and the second member 210 is formed in contact with the suction groove 207, and the wire electrode 1 sucked in the through-hole 250 is sent out from the carry-out side of the lower roller 72 ( The vehicle can travel in the left direction in FIG.
- the first member 209, the second member 210, and the member (third member) forming the suction groove 207 by connecting the two members may be individual parts or integrally formed. I do not care.
- compressed air inlets 201 and 202 are formed in a member (third member) that connects the first member 209 and the second member 210 to form the suction groove 207. It is possible to introduce compressed air from the outside. Also, compressed air jets 203 and 204 are formed on the side surface of the third member on the side of the through-hole 250 so as to face the wire electrode delivery direction.
- the aspirator 200 is used in close contact with the lower roller 72 as shown in FIG.
- the through-hole 250 of the aspirator 200 that is a suction mechanism is provided.
- a negative pressure is generated at the entrance of the.
- outside air flows into the suction groove 207 provided in the aspirator 200, so that a fluid flows along the peripheral wall of the lower roller 72 so that the wire electrode 1 is peeled off from the lower roller 72.
- the tip of the wire electrode 1 that is about to be wound upward in FIG.
- the locations and number of compressed air inlets and compressed air outlets, and the type of fluid for generating negative pressure are not limited to the above.
- the suction force is improved.
- the width of the maximum range of movement of the wire electrode 1 carried out from the lower roller 72 in the direction of the rotation axis is sufficient. It is.
- the suction force can be strengthened, and the peeling effect due to the flow of outside air along the suction groove 207 can be further improved.
- the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention in the implementation stage.
- the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent requirements. For example, even if some constituent requirements are deleted from all the constituent requirements shown in the embodiment, the problem described in the column of the problem to be solved by the invention can be solved, and is described in the column of the effect of the invention. When an effect is obtained, a configuration from which this configuration requirement is deleted can be extracted as an invention.
- the constituent elements over different embodiments may be appropriately combined.
- the wire suction device and the wire recovery device according to the present invention are useful for preventing the wire electrode used in the wire electric discharge machine from being wound around the roller, and particularly for the wire electrode having a diameter of less than 0.1 mm. It is suitable for a wire suction device and a wire recovery device that perform suction by an aspirator.
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Abstract
Description
図1は、本発明の実施の形態1にかかるワイヤ放電加工機の構成を示す図である。ワイヤ放電加工機は、図1に示すように、ワイヤ電極1を巻付けたワイヤ電極ボビン11とワイヤ電極1の方向を転換するプーリ12a、12b、12cからなるワイヤ電極保持部を備え、上部ワイヤ電極ガイドブロック41、ワイヤ電極1に接触しながら電流を供給する上部給電子42、ワイヤ電極1を加工中に保持する上部ダイス43、ワイヤ電極1を上部給電子42へと接触容易とする上部ガイド44、ワイヤ電極1を被加工物51の加工開始孔を通過し下部ワイヤ電極ガイド部へと導くための噴流体を噴出させるジェットノズル45、加工中に被加工物51へと加工液を吹きかける上部加工液ノズル46からなる上部ワイヤ電極ガイド部を備え、ワイヤ電極1を送り出すワイヤ電極送りローラ21とワイヤ電極1をワイヤ電極送りローラ21に巻付き保持するワイヤ電極送りピンチローラ22a、22b、ワイヤ電極1を上部ワイヤ電極ガイド部へと案内する案内パイプ31、案内パイプに流体を流す案内パイプヘッド32からなるワイヤ電極自動結線装置を備え、下部ワイヤ電極ガイドブロック61、ワイヤ電極1に接触しながら電流を供給する下部給電子62、ワイヤ電極1を加工中に保持する下部ダイス63、ワイヤ電極1を下部給電子62へと接触容易とする下部ガイド64、加工中に被加工物51へと加工液を吹きかける下部加工液ノズル65からなる下部ワイヤ電極ガイド部を備え、ワイヤ電極1を回収するワイヤ電極回収ローラ81a、81b、ワイヤ電極1と流体とを分離するワイヤ電極回収パイプエンド82からなるワイヤ電極回収部を備え、下部ローラブロック71、ワイヤ電極1の方向を転換する下部ローラ72、ワイヤ電極1を下部ダイス63から下部ガイド64へと搬送容易とする負圧を発生させると同時に、ワイヤ電極回収部へとワイヤ電極1を搬送容易とする流体を噴出するアスピレータ73、ワイヤ電極1をワイヤ電極回収部へと案内する下部案内パイプ74からなるワイヤ電極送り部を備え、ワイヤ電極1を回収させながらワイヤ電極1と被加工物51との間にパルス電圧を印加することにより放電を発生させ、被加工物51と上部ワイヤ電極ガイド部および下部ワイヤ電極ガイド部を相対移動させながら任意形状に被加工物を糸鋸状に加工を行う。
実施の形態1においては、アスピレータ100にワイヤ電極1を挟んで搬送する機構がワイヤ電極回収ローラ81a,81bである場合について説明したが、ワイヤ電極1を挟んで搬送する機構はこれに限られるものではない。本実施の形態においては、ワイヤ放電加工機のワイヤ回収装置においてワイヤ電極1を挟んで搬送する機構が、図1に示したワイヤ電極回収ローラ81a,81bではなく、図8に示すようなワイヤ電極の回収用送り出しベルト810a,810bであるとする。回収用送り出しベルト810a,810bは、それぞれワイヤ電極回収ローラ81aおよび81c,81bおよび81dによって張架されている。回収用送り出しベルト810a,810bをワイヤ電極1の排出側で張架しているのはワイヤ電極回収ローラ81a,81bである。ワイヤ電極1は、回収用送り出しベルト810a,810bにより両側(上下)から挟んで引き込まれ、図9に示すように設置されるアスピレータ100の方へ排出される。
上記実施の形態において説明した、アスピレータ100において円柱状形状に密接対向することが可能な形状の曲面に吸引溝を設ける手法は、ワイヤ回収装置のみならず、図1に示したワイヤ放電加工機のワイヤ電極1の方向を転換する下部ローラ72の後段に設置したワイヤ吸引装置にも適用が可能である。このようなワイヤ吸引装置としてのアスピレータ200の例を図10に示す。図11は、アスピレータ200の斜視図である。
Claims (11)
- 被加工物を放電加工する領域を走行して来たワイヤ電極を両側から挟んで排出する第1および第2回収ローラの排出側に配設され、排出された前記ワイヤ電極を回収方向に吸引するワイヤ吸引装置であって、
前記第1および第2回収ローラの周面の一方側に密接する尖鋭部を備えた第1の曲面を有する第1の部材と、
前記第1および第2回収ローラの周面の他方側に密接する尖鋭部を備えた第2の曲面を有する第2の部材と、
排出された前記ワイヤ電極を前記回収方向に走行させるための貫通孔が中央部に形成され、前記第1の曲面と前記第2の曲面との間に前記第1および第2回収ローラの周面との間に空隙を形成するための2つの溝が前記貫通孔に接して形成されるように前記第1の部材と第2の部材とを連結する第3の部材と、
を有し、
前記第1、第2、及び第3の部材のいずれかに、前記貫通孔の前記回収方向に流体を噴出するための流体噴出口が形成されている
ことを特徴とするワイヤ吸引装置。 - 前記第3の部材の前記第1および第2回収ローラの回転軸方向の幅は、前記ワイヤ電極の前記回転軸方向の動きの最大範囲である
ことを特徴とする請求項1に記載のワイヤ吸引装置。 - 前記流体噴出口は、前記第3の部材に形成されている
ことを特徴とする請求項1または2に記載のワイヤ吸引装置。 - 請求項1、2または3に記載のワイヤ吸引装置と、
前記第1および第2回収ローラと、
を備えることを特徴とするワイヤ回収装置。 - 被加工物を放電加工する領域を走行して来たワイヤ電極を両側から挟んで排出する第1および第2回収ベルトの排出側に配設され、排出された前記ワイヤ電極を回収方向に吸引するワイヤ吸引装置であって、
前記第1および第2回収ベルトをそれぞれ前記排出側で張架する第1および第2回収ローラによって張られる前記第1および第2回収ベルトの周面の一方側に密接する尖鋭部を備えた第1の曲面を有する第1の部材と、
前記張られる前記第1および第2回収ベルトの周面の他方側に密接する尖鋭部を備えた第2の曲面を有する第2の部材と、
排出された前記ワイヤ電極を前記回収方向に走行させるための貫通孔が中央部に形成され、前記第1の曲面と前記第2の曲面との間に前記張られる前記第1および第2回収ベルトの周面との間に空隙を形成するための2つの溝が前記貫通孔に接して形成されるように前記第1の部材と第2の部材とを連結する第3の部材と、
を有し、
前記第1、第2、及び第3の部材のいずれかに、前記貫通孔の前記回収方向に流体を噴出するための流体噴出口が形成されている
ことを特徴とするワイヤ吸引装置。 - 前記第3の部材の前記第1および第2回収ローラの回転軸方向の幅は、前記ワイヤ電極の前記回転軸方向の動きの最大範囲である
ことを特徴とする請求項5に記載のワイヤ吸引装置。 - 前記流体噴出口は、前記第3の部材に形成されている
ことを特徴とする請求項5または6に記載のワイヤ吸引装置。 - 請求項5、6または7に記載のワイヤ吸引装置と、
前記第1および第2回収ベルトと、
を備えることを特徴とするワイヤ回収装置。 - 被加工物を放電加工する領域を走行して来たワイヤ電極の向きを変更して搬出する回転ローラの搬出側に配設され、搬出された前記ワイヤ電極を送出方向に吸引するワイヤ吸引装置であって、
前記回転ローラの周面の一方側に密接する第1の曲面を有する第1の部材と、
前記回転ローラの周面の他方側に密接する第2の曲面を有する第2の部材と、
搬出された前記ワイヤ電極を前記送出方向に走行させるための貫通孔が中央部に形成され、前記第1の曲面と前記第2の曲面との間に前記回転ローラの周面との間に空隙を形成するための溝が前記貫通孔に接して形成されるように前記第1の部材と第2の部材とを連結する第3の部材と、
を有し、
前記第1、第2、及び第3の部材のいずれかに、前記貫通孔の前記回収方向に流体を噴出するための流体噴出口が形成されている
ことを特徴とするワイヤ吸引装置。 - 前記第3の部材の前記回転ローラの回転軸方向の幅は、前記ワイヤ電極の前記回転軸方向の動きの最大範囲である
ことを特徴とする請求項9に記載のワイヤ吸引装置。 - 前記流体噴出口は、前記第3の部材に形成されている
ことを特徴とする請求項9または10に記載のワイヤ吸引装置。
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US14/131,101 US9138820B2 (en) | 2013-04-12 | 2013-04-12 | Wire aspiration device and wire recovery device |
DE112013000109.8T DE112013000109B4 (de) | 2013-04-12 | 2013-04-12 | Drahtansaugvorrichtung und Drahteinziehvorrichtung |
CN201380002222.0A CN104245202B (zh) | 2013-04-12 | 2013-04-12 | 线电极吸引装置及线电极回收装置 |
JP2013534523A JP5436728B1 (ja) | 2013-04-12 | 2013-04-12 | ワイヤ吸引装置およびワイヤ回収装置 |
PCT/JP2013/061108 WO2014167724A1 (ja) | 2013-04-12 | 2013-04-12 | ワイヤ吸引装置およびワイヤ回収装置 |
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JP (1) | JP5436728B1 (ja) |
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WO2020203132A1 (ja) * | 2019-03-29 | 2020-10-08 | 西部電機株式会社 | ワイヤ電極送出装置及びワイヤ電極送出方法 |
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JP6360212B1 (ja) * | 2017-01-31 | 2018-07-18 | ファナック株式会社 | ワイヤ放電加工機 |
JP6753908B2 (ja) * | 2018-10-23 | 2020-09-09 | ファナック株式会社 | ワイヤ放電加工機のワイヤ回収装置 |
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CN104245202A (zh) | 2014-12-24 |
US20140305908A1 (en) | 2014-10-16 |
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DE112013000109T5 (de) | 2014-12-18 |
DE112013000109B4 (de) | 2022-12-01 |
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US9138820B2 (en) | 2015-09-22 |
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