JP2013180349A - Gear deburring tool, gear deburring device, gear machining device using them and gear deburring method - Google Patents

Gear deburring tool, gear deburring device, gear machining device using them and gear deburring method Download PDF

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JP2013180349A
JP2013180349A JP2012043549A JP2012043549A JP2013180349A JP 2013180349 A JP2013180349 A JP 2013180349A JP 2012043549 A JP2012043549 A JP 2012043549A JP 2012043549 A JP2012043549 A JP 2012043549A JP 2013180349 A JP2013180349 A JP 2013180349A
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gear
deburring
tooth
work
tool
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JP5868725B2 (en
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Koichi Masuo
光一 増尾
Masakazu Nabekura
正和 鍋倉
Tomohito Tani
智仁 谷
Masakatsu Fujita
昌克 藤田
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Mitsubishi Heavy Industries Ltd
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Abstract

PROBLEM TO BE SOLVED: To perform gear tooth surface deburring machining matched with a tooth surface even if there is a relative size difference on the tooth surface of a gear to be cut due to a machining error or the like.SOLUTION: A gear deburring tool includes a pair of disk-shaped end surface deburring cutters 43a ad 43b pressed to both end surfaces 23a and 23b of a gear 20 to be cut, tooth surface deburring banish gears 44a and 44b pressed to the tooth surface 24 of the cut gear 20. The tooth surface deburring banish gears 44a and 44b are assembled between the pair of disk-shaped end surface banish cutters 43a and 43b.

Description

本発明は、歯車の端面および歯面に生じたバリを取りする歯車バリ取り工具、歯車バリ取り装置、歯車加工装置および歯車バリ取り方法に関する。   The present invention relates to a gear deburring tool, a gear deburring device, a gear machining device, and a gear deburring method for removing burrs generated on an end surface and a tooth surface of a gear.

歯車の加工においては、製作上の打痕傷や作業者の裂傷を防ぐため、ホブ盤などで歯切りされた被削歯車に対して歯車面取り工具によって面取り加工を施す。面取り加工は、歯車端面と歯車歯面との角部である歯形稜線部に歯車面取り工具を押し付けて当該歯形稜線部を押し潰す転造加工であるため、押し潰された歯形稜線部の余肉が歯車端面側および歯車歯面側に突出してバリとなる。このバリは、やはり製作上の打痕傷や作業者の裂傷の虞となるので除去される。   In gear processing, chamfering is performed with a gear chamfering tool on a gear to be cut by a hobbing machine or the like in order to prevent dent scratches and lacerations of workers. Chamfering is a rolling process in which a gear chamfering tool is pressed against the tooth profile ridge line, which is the corner between the gear end face and the gear tooth surface, and the tooth profile ridge line is crushed. Protrudes toward the gear end face side and the gear tooth face side to form burrs. This burr is also removed because it may cause dents and lacerations in production.

歯車端面に生じたバリは、円盤状の端面バリ取りカッタを用いて除去される。歯車加工の合理化および装置の縮小化を目的として、端面バリ取りカッタを歯車面取り工具の近傍に設置し、被削歯車に対して歯車面取り工具による面取り加工と共に端面バリ取りカッタによる端面バリ取り加工を施すのが一般的である。   The burr generated on the end face of the gear is removed using a disc-shaped end face deburring cutter. For the purpose of rationalizing gear machining and reducing equipment, an end face deburring cutter is installed in the vicinity of the gear chamfering tool, and chamfering with a gear chamfering tool and end face deburring with an end face deburring cutter are performed on the work gear. It is common to apply.

歯車歯面に生じたバリについては、面取り形状を工夫することで大きなバリが生じ難く、微小なバリだけが生じるようにしている。そして、微小なバリを除去する工程を特に設けておらず、後工程である仕上げ加工工程または研磨工程において歯車歯面を切削または研磨する際に、歯車歯面に生じた微小なバリを除去するようにしている。しかし、歯車仕上げ工具や歯車研磨砥石によって微小なバリを除去することは、当該箇所において局所的に歯車仕上げ工具や歯車研磨砥石の摩耗を大きくし、歯車仕上げ工具や歯車研磨砥石の交換周期を短くしてしまう。   About the burr | flash produced on the gear tooth surface, it is made hard to produce a big burr | flash by devising a chamfering shape, and only a micro burr | flash is produced. In addition, there is no particular step for removing minute burrs, and minute burrs generated on the gear tooth surfaces are removed when the gear tooth surfaces are cut or polished in a finishing process or a polishing process, which is a subsequent process. I am doing so. However, removing fine burrs with a gear finishing tool or gear grinding wheel locally increases the wear of the gear finishing tool or gear grinding wheel at the location, and shortens the replacement cycle of the gear finishing tool or gear grinding wheel. Resulting in.

そこで、被削歯車の歯車歯面に生じたバリを除去する歯面バリ取り加工を施す新たな工程を追加する対応が考えられる。しかし、新たな工程を追加するには、歯車歯面に生じたバリを除去するための歯面バリ取りバニッシギヤだけでなく、歯面バリ取り加工を行うための装置および当該装置の設置空間が必要となり、歯車加工設備コスト増加へと繋がる。   Therefore, it is conceivable to add a new process for performing a tooth surface deburring process for removing burrs generated on the gear tooth surfaces of the work gear. However, in order to add a new process, not only the tooth surface deburring burnishing gear for removing the burr generated on the gear tooth surface, but also a device for performing the tooth surface deburring process and the installation space for the device are required. This leads to an increase in gear processing equipment costs.

また、歯面バリ取り加工を施す新たな工程を追加せず、面取り加工および端面バリ取り加工を施す装置に歯面バリ取りバニッシギヤを設置することで、面取り加工および端面バリ取り加工と共に歯面バリ取り加工を施す対応が考えられる。しかし、歯車面取り工具、端面バリ取りカッタおよび歯面バリ取りバニッシギヤの三つの歯車工具を設置し、被削歯車の加工位置まで三つの歯車工具を前後進させる空間を確保することは難しい。特に、歯切り加工を行うホブ盤等に面取り加工工程および端面バリ取り加工工程を組み込んだ歯車加工装置においては、歯面バリ取りバニッシギヤの設置空間の制約は更に厳しく、歯面バリ取りバニッシギヤの設置空間を確保するために装置を巨大化することは歯車加工装置コスト増加へと繋がる。   In addition, the tooth surface deburring process is installed together with the chamfering process and end face deburring process by adding the tooth surface deburring burnishing gear to the equipment that performs chamfering process and end face deburring process. It is conceivable to apply machining. However, it is difficult to secure a space for moving the three gear tools back and forth to the machining position of the work gear by installing three gear tools, a gear chamfering tool, an end surface deburring cutter, and a tooth surface deburring burnishing gear. In particular, in gear processing equipment that incorporates chamfering and end face deburring processes into hobbing machines that perform gear cutting, the installation space for tooth deburring burnishing gears is even more severe. Enlarging the device to secure space leads to an increase in gear processing device cost.

特開２００９−１７２７３６号公報JP 2009-172736 A

上記した設置空間の制約を回避し、歯面バリ取りバニッシギヤを組み込んだ歯車工具として特許文献１がある。これは、同一円周上に面取り加工部と歯面バリ取り加工部を一体的に組付けまたは一体物として製作した歯車工具である。   Patent Document 1 discloses a gear tool that avoids the restriction on the installation space described above and incorporates a tooth surface deburring burnishing gear. This is a gear tool in which a chamfered portion and a tooth surface deburring portion are integrally assembled or manufactured as an integrated body on the same circumference.

この歯車工具の近傍に端面バリ取りカッタを設置した装置においては、被削歯車に対して面取り加工、歯面バリ取り加工および端面バリ取り加工を同時に行うことができる。   In an apparatus in which an end face deburring cutter is installed in the vicinity of the gear tool, chamfering processing, tooth surface deburring processing, and end surface deburring processing can be performed simultaneously on the work gear.

一般的に歯車の面取り加工は、歯車歯面の大きさを揃える等の目的で被削歯車の軸心に対して歯車面取り工具を所定の距離まで接近させて行われる。しかし、被削歯車の軸心に対して歯面バリ取りバニッシギヤを所定の距離まで接近させて歯面バリ取り加工を行うと、被削歯車の歯面に製作加工誤差などによる相対的な寸法差異があった場合には、歯面に生じたバリを除去し切れずに大きく残る虞がある。   In general, gear chamfering is performed by bringing a gear chamfering tool close to a predetermined distance with respect to the axis of the gear to be cut for the purpose of, for example, aligning the size of the gear tooth surface. However, if the tooth surface deburring burnishing gear is brought close to a predetermined distance with respect to the axis of the work gear and the tooth surface deburring is performed, the relative dimensional difference due to manufacturing errors in the tooth surface of the work gear. When there is, there is a possibility that the burrs generated on the tooth surface may remain largely without being completely removed.

本発明は、上記のような問題に鑑みてなされたもので、被削歯車の歯面に製作加工誤差などによる相対的な寸法差異があった場合にも、歯面に合わせた歯面バリ取り加工ができるようにすることを目的とする。   The present invention has been made in view of the above-described problems. Even when there is a relative dimensional difference due to a manufacturing error or the like on the tooth surface of the work gear, the tooth surface deburring according to the tooth surface is performed. The purpose is to enable processing.

上記課題を解決する第一の発明に係る歯車バリ取り工具は、被削歯車の両端面に押付けられる一対の円盤状の端面バリ取りカッタと、前記被削歯車の歯面に押付けられる歯面バリ取りバニッシギヤとから成り、当該歯面バリ取りバニッシギヤは前記一対の円盤状の端面バリ取りカッタ間に組付けられていることを特徴とする。   A gear deburring tool according to a first invention for solving the above-mentioned problems includes a pair of disk-shaped end face deburring cutters pressed against both end faces of a work gear, and a tooth face burrs pressed against the tooth face of the work gear. It comprises a deburring burnishing gear, and the tooth surface deburring burnishing gear is assembled between the pair of disk-shaped end surface deburring cutters.

上記課題を解決する第二の発明に係る歯車バリ取り工具は、前記歯面バリ取りバニッシギヤは、前記被削歯車の一方の端面側の歯面に押付けられる第一歯面バリ取りバニッシギヤと、前記被削歯車の他方の端面側の歯面に押付けられる第二歯面バリ取りバニッシギヤとに分割され、前記第一歯面バリ取りバニッシギヤは、前記被削歯車の一方の端面に押付けられる前記端面バリ取りカッタと一体となり、前記第二歯面バリ取りバニッシギヤは、前記被削歯車の他方の端面に押付けられる前記端面バリ取りカッタと一体となっていることを特徴とする。   The gear deburring tool according to the second invention for solving the above-mentioned problems is characterized in that the tooth surface deburring burnishing gear is a first tooth surface deburring burnishing gear pressed against a tooth surface on one end face side of the work gear, The first tooth surface deburring burnishing gear is divided into a second tooth surface deburring burnishing gear that is pressed against the tooth surface on the other end surface side of the work gear, and the first surface deburring burnishing gear is pressed against one end surface of the work gear. The second tooth surface deburring burnishing gear is integrated with the deburring cutter, and is integrated with the end surface deburring cutter pressed against the other end surface of the work gear.

上記課題を解決する第三の発明に係る歯車バリ取り装置は、被削歯車軸に支持された被削歯車の端面および歯面のバリを除去する歯車バリ取り装置であって、第一の発明または第二の発明に係る歯車バリ取り工具の前記一対の端面バリ取りカッタを前記被削歯車の端面に押付けるカッタ押付け機構と、前記歯車バリ取り工具の前記歯面バリ取りバニッシギヤを前記被削歯車の歯面に押付けるギヤ押付け機構とを具えることを特徴とする。   A gear deburring device according to a third invention for solving the above-mentioned problems is a gear deburring device for removing burrs on the end face and tooth surface of a work gear supported by a work gear shaft, and the first invention. Alternatively, a cutter pressing mechanism that presses the pair of end surface deburring cutters of the gear deburring tool according to the second invention against the end surface of the work gear, and the tooth surface deburring burnishing gear of the gear deburring tool is cut. A gear pressing mechanism that presses against the tooth surface of the gear is provided.

上記課題を解決する第四の発明に係る歯車加工装置は、被削歯車が取付けられる被削歯車軸に隣接して設けられ、前記被削歯車軸に取付けられた被削歯車に歯車面取り工具を噛み合わせることにより前記被削歯車の面取り加工を行う歯車面取り装置と、前記被削歯車軸に近接し、かつ歯車面取り装置と干渉しない領域に設けた第三の発明に係る歯車バリ取り装置を具えることを特徴とする。   A gear machining apparatus according to a fourth invention for solving the above-mentioned problems is provided adjacent to a work gear shaft to which a work gear is attached, and a gear chamfering tool is provided on the work gear attached to the work gear shaft. A gear chamfering device for chamfering the work gear by meshing, and a gear deburring device according to the third invention provided in a region close to the work gear shaft and not interfering with the gear chamfering device. It is characterized by.

上記課題を解決する第五の発明に係る歯車バリ取り方法は、駆動回転される被削歯車に歯車面取り工具を噛み合わせることにより歯形の面取り加工をする一方、被削歯車の端面に円盤状の端面バリ取りカッタを押し当てることにより、面取り加工後の歯形の端面に生じたバリを切削除去すると共に、被削歯車に歯面バリ取りバニッシギヤを押付けながら噛み合わせることによって、面取り加工後の歯形の歯面に生じたバリをバニッシ加工により除去することを特徴とする。   A gear deburring method according to a fifth aspect of the present invention for solving the above-mentioned problem is that a gear chamfering tool is engaged with a gear to be driven to rotate, and the tooth profile is chamfered while a disk-shaped chamfering is performed on the end surface of the gear to be cut. By pressing the end face deburring cutter, the burr generated on the end face of the tooth profile after chamfering is cut and removed, and the tooth profile of the tooth profile after chamfering is engaged by pressing the tooth face deburring burnishing gear to the gear to be cut. The burr generated on the tooth surface is removed by burnishing.

第一の発明に係る歯車バリ取り工具によれば、被削歯車に対して端面バリ取り加工と共に歯面バリ取り加工を行うことができる。また、歯面バリ取りバニッシギヤを面取り工具と一体的に組付けまたは一体物として製作した歯車工具ではなく、面取り加工によらない歯面バリ取り加工を行うことができるので、被削歯車の歯面に製作加工誤差などによる相対的な寸法差異があった場合にも歯面に生じたバリを除去することができる。   According to the gear deburring tool according to the first aspect of the present invention, the tooth surface deburring process can be performed on the work gear together with the end face deburring process. In addition, the tooth surface deburring burnishing gear is not a gear tool that is assembled integrally with a chamfering tool or manufactured as an integral part, but tooth surface deburring can be performed without chamfering. Even if there is a relative dimensional difference due to a manufacturing process error, burrs generated on the tooth surface can be removed.

第二の発明に係る歯車バリ取り工具によれば、歯面バリ取りバニッシギヤは、第一歯面バリ取りバニッシギヤと第二歯面バリ取りバニッシギヤの分割構造であり、被削歯車が平歯車やはすば歯車など異なる歯面形状であった場合でも面取り加工が可能であるので、歯面形状の異なる被削歯車に対して歯車バリ取り工具の交換を必要としない。   According to the gear deburring tool according to the second invention, the tooth surface deburring burnishing gear is a divided structure of the first tooth surface deburring burnishing gear and the second tooth surface deburring burnishing gear, and the work gear is a spur gear or Since chamfering is possible even if the tooth surface has a different tooth profile, such as a helical gear, it is not necessary to replace the gear deburring tool for the work gear having a different tooth profile.

第三の発明に係る歯車バリ取り装置によれば、被削歯車の端面および歯面に製作加工誤差などによる相対的な寸法差異があった場合にも、端面バリ取りカッタがカッタ押付け機構によって被削歯車の端面に対して所定圧力で押付けられることで、端面バリ取りカッタが被削歯車の端面に追従するように作動されるので、被削歯車の端面に生じたバリは除去され、歯面バリ取りバニッシギヤがギヤ押付け機構によって被削歯車の歯面に対して所定圧力で押付けられることで、歯面バリ取りバニッシギヤが被削歯車の歯面に追従するように作動されるので、被削歯車の歯面に生じたバリは除去される。   According to the gear deburring device according to the third aspect of the present invention, the end face deburring cutter can be removed by the cutter pressing mechanism even when there is a relative dimensional difference between the end face and the tooth face of the work gear due to manufacturing errors. By pressing against the end face of the cutting gear with a predetermined pressure, the end face deburring cutter is operated so as to follow the end face of the cutting gear, so that the burr generated on the end face of the cutting gear is removed, and the tooth surface Since the deburring burnishing gear is pressed with a predetermined pressure against the tooth surface of the work gear by the gear pressing mechanism, the tooth surface deburring burnishing gear is operated so as to follow the tooth surface of the work gear. The burr generated on the tooth surface of the tooth is removed.

第四の発明に係る歯車加工装置によれば、被削歯車に対して面取り加工と共に、端面バリ取り加工および歯面バリ取り加工を行うことができるので、新たな工程を追加する際の追設する装置や当該装置の設置空間の確保または歯車加工装置の巨大化を必要としないので製造コスト増加を抑えることができる。   According to the gear machining apparatus according to the fourth invention, it is possible to perform end face deburring and tooth face deburring as well as chamfering on the work gear. Therefore, it is not necessary to secure a device to be installed, an installation space for the device, or to enlarge a gear processing device, so that an increase in manufacturing cost can be suppressed.

第五の発明に係る歯車バリ取り方法によれば、被削歯車に対して面取り加工と共に、端面バリ取り加工および歯面バリ取り加工を行うことができるので、新たな工程を追加する際の追設する装置や当該装置の設置空間の確保または歯車加工装置の巨大化を必要としないので製造コスト増加を抑えることができる。   According to the gear deburring method according to the fifth aspect of the present invention, the end face deburring process and the tooth surface deburring process can be performed together with the chamfering process on the work gear. It is not necessary to secure a device to be installed, an installation space for the device, or to enlarge a gear processing device, so that an increase in manufacturing cost can be suppressed.

実施例１に係る歯車バリ取り工具を備えた歯車加工装置を示す斜視図である。It is a perspective view which shows the gear processing apparatus provided with the gear deburring tool which concerns on Example 1. FIG. 実施例１に係る歯車バリ取り工具を備えた歯車加工装置を示す縦断面図（図１におけるII−II矢視断面）である。It is a longitudinal cross-sectional view (II-II arrow directional cross section in FIG. 1) which shows the gear processing apparatus provided with the gear deburring tool which concerns on Example 1. FIG. 実施例１に係る歯車バリ取り工具を備えた歯車加工装置を示す横断面図（図１におけるIII−III矢視部分断面）である。It is a cross-sectional view (III-III arrow partial cross section in FIG. 1) which shows the gear processing apparatus provided with the gear deburring tool which concerns on Example 1. FIG.

以下に、本発明に係る歯車バリ取り工具、およびそれを備えた歯車加工装置の実施例について、添付図面を参照しながら詳細に説明する。もちろん、本発明は以下の実施例に限定されず、本発明の趣旨を逸脱しない範囲で各種変更が可能であることは言うまでもない。   Hereinafter, embodiments of a gear deburring tool according to the present invention and a gear machining apparatus including the same will be described in detail with reference to the accompanying drawings. Needless to say, the present invention is not limited to the following examples, and various modifications can be made without departing from the spirit of the present invention.

本発明の実施例１に係る歯車バリ取り工具を備えた歯車加工装置の構造について、図１乃至図３を参照して説明する。   A structure of a gear machining apparatus including a gear deburring tool according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 3.

図１に示すように、本実施例の歯車加工装置１０は、被削歯車２０を設置し回転駆動する被削歯車軸２１と、被削歯車軸２１の軸方向と平行な軸方向であり、被削歯車軸２１に対して接近離反可能に歯車面取り工具３０を回転自在に支持する歯車面取り工具軸３１と、被削歯車軸２１の軸方向と平行な軸方向であり、被削歯車軸２１に対して接近離反可能に歯車バリ取り工具４０を回転自在に支持する歯車バリ取り工具軸４１とを有する。なお、被削歯車軸２１に取付けられた被削歯車２０は図示しないホブによって歯切り加工を施されたものであり、図１に示すように駆動装置１１（図３）による歯車面取り工具軸３１および歯車バリ取り工具軸４１の移動により、歯車面取り工具３０および歯車バリ取り工具４０が被削歯車２０に接近する。   As shown in FIG. 1, the gear machining apparatus 10 according to the present embodiment has a machining gear shaft 21 in which the machining gear 20 is installed and rotationally driven, and an axial direction parallel to the axial direction of the machining gear shaft 21. A gear chamfering tool shaft 31 that rotatably supports the gear chamfering tool 30 so as to be able to approach and separate from the work gear shaft 21, and an axial direction parallel to the axial direction of the work gear shaft 21. And a gear deburring tool shaft 41 that rotatably supports the gear deburring tool 40 so as to be able to approach and separate from each other. The work gear 20 attached to the work gear shaft 21 is gear-cut by a hob (not shown), and a gear chamfering tool shaft 31 by the drive device 11 (FIG. 3) as shown in FIG. As the gear deburring tool shaft 41 moves, the gear chamfering tool 30 and the gear deburring tool 40 approach the work gear 20.

被削歯車２０は歯車加工される被加工材（ワーク）であり、機械的締結手段によって被削歯車軸２１に固定される。被削歯車軸２１は、歯車加工装置１０の図示しない駆動装置によって回転駆動される。   The work gear 20 is a work material (work) to be machined, and is fixed to the work gear shaft 21 by mechanical fastening means. The work gear shaft 21 is rotationally driven by a drive device (not shown) of the gear machining device 10.

歯車面取り工具３０は、歯車面取り工具軸３１に回転自在に支持され、歯車面取り工具軸３１に対して高さ可変に取付けられる第一の歯車面取り工具３０ａおよび第二の歯車面取り工具３０ｂから成る。第一の歯車面取り工具３０ａは周方向に被削歯車２０の歯形稜線部２２ａを転造加工する複数の角柱部３２ａを有し、被削歯車２０の一端側の歯形稜線部２２ａの面取り量に合わせた高さで取付けられ、第二の歯車面取り工具３０ｂは周方向に被削歯車２０の歯形稜線部２２ｂを転造加工する複数の角柱部３２ｂを有し、被削歯車２０の一端側の歯形稜線部２２ｂの面取り量に合わせた高さで取付けられている。歯車面取り工具軸３１は、図示しない駆動装置によって軸方向と直交する方向で可動となっている。   The gear chamfering tool 30 includes a first gear chamfering tool 30 a and a second gear chamfering tool 30 b that are rotatably supported by the gear chamfering tool shaft 31 and are attached to the gear chamfering tool shaft 31 with a variable height. The first gear chamfering tool 30a has a plurality of prismatic portions 32a for rolling the tooth profile ridge line portion 22a of the work gear 20 in the circumferential direction, and the chamfering amount of the tooth profile ridge line portion 22a on one end side of the work gear 20 is set. The second gear chamfering tool 30b has a plurality of prisms 32b that roll the tooth profile ridge line portion 22b of the work gear 20 in the circumferential direction, and is attached at one end side of the work gear 20. It is attached at a height that matches the chamfering amount of the tooth profile ridge line portion 22b. The gear chamfering tool shaft 31 is movable in a direction orthogonal to the axial direction by a driving device (not shown).

歯車バリ取り工具４０は、被削歯車２０の端面２３ａ（図１の状態の上面）に生じたバリを除去する円盤状の第一の端面バリ取りカッタ４３ａと被削歯車２０の歯面２４における端面２３ａ側に生じたバリを除去する第一の歯面バリ取りバニッシギヤ４４ａとを一体的に組付けた第一の歯車バリ取り工具４０ａと、被削歯車２０の端面２３ｂ（図１の状態の下面）に生じたバリを除去する円盤状の第二の端面バリ取りカッタ４３ｂと被削歯車２０の歯面２４における端面２３ｂ側に生じたバリを除去する第二の歯面バリ取りバニッシギヤ４４ｂとを一体的に組付けた第二の歯車バリ取り工具４０ｂとを対称に設置して成る。歯車バリ取り工具軸は第一の歯車バリ取り工具軸４１ａおよび第二の歯車バリ取り工具軸４１ｂから成る分割構造であり、第一の歯車バリ取り工具４０ａは第一の歯車バリ取り工具軸４１ａに回転自在に支持され、第二の歯車バリ取り工具４０ｂは第二の歯車バリ取り工具軸４１ｂに回転自在に支持されている。第一の歯車バリ取り工具４０ａおよび第二の歯車バリ取り工具４０ｂは、後述するカッタ押付け機構によって歯車バリ取り工具４０の軸方向に可動であり、後述するギヤ押付け機構によって歯車バリ取り工具４０の軸方向と直交する方向に可動となっている。なお、第一の歯車バリ取り工具４０ａおよび第二の歯車バリ取り工具４０ｂは歯車面取り工具３０と干渉しない領域に設けられ、第一の歯車バリ取り工具軸４１ａおよび第二の歯車バリ取り工具軸４１ｂは、第一の歯車バリ取り工具４０ａおよび第二の歯車バリ取り工具４０ｂが歯車面取り工具３０と干渉しない領域で可動となっている。   The gear deburring tool 40 includes a disk-shaped first end surface deburring cutter 43 a for removing burrs generated on the end surface 23 a (the upper surface in the state of FIG. 1) of the work gear 20 and the tooth surface 24 of the work gear 20. A first gear deburring tool 40a integrally assembled with a first tooth surface deburring burnishing gear 44a for removing burrs generated on the end surface 23a side, and an end surface 23b of the work gear 20 (in the state of FIG. 1). A disc-shaped second end surface deburring cutter 43b for removing burrs generated on the lower surface), and a second tooth surface deburring burnishing gear 44b for removing burrs generated on the end surface 23b side of the tooth surface 24 of the work gear 20. Are assembled symmetrically with the second gear deburring tool 40b. The gear deburring tool shaft has a divided structure including a first gear deburring tool shaft 41a and a second gear deburring tool shaft 41b, and the first gear deburring tool shaft 40a is a first gear deburring tool shaft 41a. The second gear deburring tool 40b is rotatably supported by the second gear deburring tool shaft 41b. The first gear deburring tool 40a and the second gear deburring tool 40b are movable in the axial direction of the gear deburring tool 40 by a cutter pressing mechanism, which will be described later, and the gear deburring tool 40 by a gear pressing mechanism, which will be described later. It is movable in a direction orthogonal to the axial direction. The first gear deburring tool 40a and the second gear deburring tool 40b are provided in a region that does not interfere with the gear chamfering tool 30, and the first gear deburring tool shaft 41a and the second gear deburring tool shaft. 41 b is movable in a region where the first gear deburring tool 40 a and the second gear deburring tool 40 b do not interfere with the gear chamfering tool 30.

図２に示すように、カッタ押付け機構は、歯車バリ取り工具軸４１ａ、４１ｂが円筒状の上下ピストン５０ａ、５０ｂに把持され、上下ピストン５０ａ、５０ｂが円柱空間を有する上下シリンダ６０ａ、６０ｂに抱持され、上下ピストン５０ａ、５０ｂおよび上下シリンダ６０ａ、６０ｂの間に設けた上下空気室７０ａ、７０ｂへ空気を吸排気することで上下ピストン５０ａ、５０ｂが上下シリンダ６０ａ、６０ｂに対して上下動する構成である。なお、上下シリンダ６０ａ、６０ｂは、後述するギヤ押付け機構における前後ピストン５１ａ、５１ｂおよび前後シリンダ６１ａ、６１ｂを介して歯車加工装置１０本体側に固定されているため、上下方向には摺動不可である。カッタ押付け機構によって歯車バリ取り工具軸４１ａ、４１ｂに設置された第一の歯車バリ取り工具４０ａおよび第二の歯車バリ取り工具４０ｂは個別に上下動され、図１に示すように、第一の歯車バリ取り工具４０ａにおける第一の端面バリ取りカッタ４３ａは被削歯車２０の端面２３ａに対し所定圧力で押付けられ、第二の歯車バリ取り工具４０ｂにおける第二の端面バリ取りカッタ４３ｂは被削歯車２０の端面２３ｂに対し所定圧力で押付けられる。   As shown in FIG. 2, in the cutter pressing mechanism, the gear deburring tool shafts 41a and 41b are held by cylindrical upper and lower pistons 50a and 50b, and the upper and lower pistons 50a and 50b are held by upper and lower cylinders 60a and 60b having a cylindrical space. The upper and lower pistons 50a and 50b are moved up and down relative to the upper and lower cylinders 60a and 60b by sucking and exhausting air into the upper and lower air chambers 70a and 70b provided between the upper and lower pistons 50a and 50b and the upper and lower cylinders 60a and 60b. It is a configuration. The upper and lower cylinders 60a and 60b are fixed to the gear machining apparatus 10 main body via the front and rear pistons 51a and 51b and the front and rear cylinders 61a and 61b in a gear pressing mechanism, which will be described later. is there. The first gear deburring tool 40a and the second gear deburring tool 40b installed on the gear deburring tool shafts 41a and 41b are individually moved up and down by the cutter pressing mechanism, and as shown in FIG. The first end face deburring cutter 43a in the gear deburring tool 40a is pressed at a predetermined pressure against the end face 23a of the work gear 20, and the second end face deburring cutter 43b in the second gear deburring tool 40b is cut. The gear 20 is pressed against the end face 23b with a predetermined pressure.

被削歯車２０の端面２３ａ、２３ｂに、製作加工誤差などによる相対的な寸法差異があった場合にも、第一の端面バリ取りカッタ４３ａおよび第二の端面バリ取りカッタ４３ｂがカッタ押付け機構によって被削歯車２０の端面２３ａ、２３ｂに対して所定圧力で押付けられることで、第一の端面バリ取りカッタ４３ａおよび第二の端面バリ取りカッタ４３ｂが被削歯車２０の端面２３ａ、２３ｂに追従するように作動され、被削歯車２０の両端面２３ａ、２３ｂに生じたバリは除去される。   Even when the end faces 23a and 23b of the work gear 20 have a relative dimensional difference due to a manufacturing error or the like, the first end face deburring cutter 43a and the second end face deburring cutter 43b are moved by the cutter pressing mechanism. The first end surface deburring cutter 43a and the second end surface deburring cutter 43b follow the end surfaces 23a and 23b of the work gear 20 by being pressed against the end surfaces 23a and 23b of the work gear 20 with a predetermined pressure. Thus, burrs generated on both end faces 23a and 23b of the work gear 20 are removed.

図２および図３に示すように、ギヤ押付け機構は、前述した上下シリンダ６０ａ、６０ｂに円柱状の前後ピストン５１ａ、５１ｂを機械的結合によって結合し、前後ピストン５１ａ、５１ｂが歯車加工装置１０本体側に固定された円柱空間を有する前後シリンダ６１ａ、６１ｂに抱持され、前後ピストン５１ａ、５１ｂおよび前後シリンダ６１ａ、６１ｂには前後ガイドピン５２ａ、５２ｂが設置されており、前後ピストン５１ａ、５１ｂおよび前後シリンダ６１ａ、６１ｂの間に設けた前後空気室７１ａ、７１ｂへ空気を吸排気することで前後ピストン５１ａ、５１ｂが前後シリンダ６１ａ、６１ｂに対して前後ガイドピン５２ａ、５２ｂに案内されて前後動する構成である。ギヤ押付け機構によって、歯車バリ取り工具軸４１ａ、４１ｂに設置された第一の歯車バリ取り工具４０ａおよび第二の歯車バリ取り工具４０ｂは被削歯車２０に対して個別に前後動され、図１に示すように、第一の歯車バリ取り工具４０ａにおける第一の歯面バリ取りバニッシギヤ４４ａは被削歯車２０の歯面２４における端面２３ａ側に対し所定圧力で押付けられ、第二の歯車バリ取り工具４０ｂにおける第二の歯面バリ取りバニッシギヤ４４ｂは被削歯車２０の歯面２４における端面２３ｂ側に対し所定圧力で押付けられる。   As shown in FIG. 2 and FIG. 3, the gear pressing mechanism is such that cylindrical front and rear pistons 51 a and 51 b are coupled to the above-described upper and lower cylinders 60 a and 60 b by mechanical coupling, and the front and rear pistons 51 a and 51 b are connected to the main body of the gear machining apparatus 10. The front and rear pistons 51a and 51b and the front and rear cylinders 61a and 61b are provided with front and rear guide pins 52a and 52b. The front and rear pistons 51a and 51b and By moving air into and out of the front and rear air chambers 71a and 71b provided between the front and rear cylinders 61a and 61b, the front and rear pistons 51a and 51b are guided by the front and rear guide pins 52a and 52b relative to the front and rear cylinders 61a and 61b. It is the structure to do. The first gear deburring tool 40a and the second gear deburring tool 40b installed on the gear deburring tool shafts 41a and 41b are individually moved back and forth with respect to the work gear 20 by the gear pressing mechanism. As shown in FIG. 2, the first gear deburring burnishing gear 44a in the first gear deburring tool 40a is pressed against the end surface 23a side of the tooth surface 24 of the work gear 20 with a predetermined pressure, and the second gear deburring tool 44a is pressed. The second tooth surface deburring burnishing gear 44b of the tool 40b is pressed against the end surface 23b side of the tooth surface 24 of the work gear 20 with a predetermined pressure.

被削歯車２０の歯面２４に、製作加工誤差などによる相対的な寸法差異があった場合にも、第一の歯面バリ取りバニッシギヤ４４ａおよび第二の歯面バリ取りバニッシギヤ４４ｂがギヤ押付け機構によって被削歯車２０の歯面２４に対して所定圧力で押付けられることで、第一の歯面バリ取りバニッシギヤ４４ａおよび第二の歯面バリ取りバニッシギヤ４４ｂが被削歯車２０の歯面２４に追従するように作動され、被削歯車２０の歯面２４に生じたバリは除去される。   Even when the tooth surface 24 of the work gear 20 has a relative dimensional difference due to a manufacturing error or the like, the first tooth surface deburring burnishing gear 44a and the second tooth surface deburring burnishing gear 44b are gear pressing mechanisms. The first tooth surface deburring burnishing gear 44a and the second tooth surface deburring burnishing gear 44b follow the tooth surface 24 of the work gear 20 by being pressed against the tooth surface 24 of the work gear 20 by a predetermined pressure. The burrs generated on the tooth surface 24 of the work gear 20 are removed.

本発明の実施例１に係る歯車バリ取り工具を備えた歯車加工装置の動作について、図１乃至図３を参照して説明する。   Operation | movement of the gear processing apparatus provided with the gear deburring tool which concerns on Example 1 of this invention is demonstrated with reference to FIG.

被削歯車２０は図１に示す被削歯車軸２１に取付けられ、図示しないホブなどのカッタによって歯切り加工を施されたものである。歯車面取り工具軸３１を、図示しない駆動装置によって移動させ、第一の歯車面取り工具３０ａおよび第二の歯車面取り工具３０ｂを被削歯車２０に接近させ、被削歯車２０の歯形稜線部２２を転造加工する面取り加工が可能なように第一の歯車面取り工具３０ａおよび第二の歯車面取り工具３０ｂを被削歯車２０に噛み合わせる。   The work gear 20 is attached to the work gear shaft 21 shown in FIG. 1 and is gear-cut by a cutter such as a hob (not shown). The gear chamfering tool shaft 31 is moved by a drive device (not shown), the first gear chamfering tool 30a and the second gear chamfering tool 30b are brought close to the work gear 20, and the tooth profile ridge line portion 22 of the work gear 20 is rolled. The first gear chamfering tool 30a and the second gear chamfering tool 30b are meshed with the work gear 20 so that the chamfering process can be performed.

ここで、歯車面取り工具３０が第一の歯車面取り工具３０ａおよび第二の歯車面取り工具３０ｂから成る分割構造であることで、被削歯車２０が平歯車やはすば歯車など異なる歯面形状であった場合でも面取り加工が可能である。   Here, since the gear chamfering tool 30 has a divided structure including the first gear chamfering tool 30a and the second gear chamfering tool 30b, the work gear 20 has different tooth surface shapes such as a spur gear and a helical gear. Even if there is, chamfering is possible.

次いで、図１乃至図３に示すように、歯車バリ取り工具軸４１ａ、４１ｂを、駆動装置１１によって移動させ、被削歯車２０が端面バリ取りカッタ４３ａ、４３ｂの範囲内かつ歯面バリ取りバニッシギヤ４４ａ、４４ｂの範囲外となる位置まで、歯車バリ取り工具４０ａ、４０ｂを被削歯車２０に接近させる。歯車バリ取り工具軸４１ａ、４１ｂに備えたカッタ押付け機構によって、第一の歯車バリ取り工具４０ａにおける第一の端面バリ取りカッタ４３ａは被削歯車２０における端面２３ａに接触し所定圧力で押付けられ、第二の歯車バリ取り工具４０ｂにおける第二の端面バリ取りカッタ４３ｂは被削歯車２０における端面２３ｂに接触し所定圧力で押付けられる。   Next, as shown in FIGS. 1 to 3, the gear deburring tool shafts 41 a and 41 b are moved by the driving device 11 so that the work gear 20 is within the range of the end surface deburring cutters 43 a and 43 b and the tooth surface deburring burnishing gear. The gear deburring tools 40a and 40b are moved closer to the work gear 20 to positions outside the range of 44a and 44b. By the cutter pressing mechanism provided on the gear deburring tool shafts 41a and 41b, the first end surface deburring cutter 43a in the first gear deburring tool 40a comes into contact with the end surface 23a of the work gear 20 and is pressed with a predetermined pressure. The second end face deburring cutter 43b of the second gear deburring tool 40b contacts the end face 23b of the work gear 20 and is pressed with a predetermined pressure.

ここで、端面バリ取りカッタが第一の端面バリ取りカッタ４３ａおよび第二の端面バリ取りカッタ４３ｂから成る分割構造であり、カッタ押付け機構によって被削歯車２０における各々の端面２３ａ、２３ｂに対して個別に押付けられるので、被削歯車２０の端面２３ａ、２３ｂに製作加工誤差などによる相対的な寸法差異があった場合でも端面バリ取り加工が可能である。   Here, the end surface deburring cutter has a divided structure including a first end surface deburring cutter 43a and a second end surface deburring cutter 43b, and each end surface 23a, 23b of the work gear 20 is cut by a cutter pressing mechanism. Since they are pressed individually, the end face deburring can be performed even if there is a relative dimensional difference between the end faces 23a, 23b of the work gear 20 due to manufacturing errors.

次いで、図１乃至図３に示すように、歯車バリ取り工具軸４１ａ、４１ｂを駆動装置１１によって更に移動させ、第一の歯面バリ取りバニッシギヤ４４ａおよび第二の歯面バリ取りバニッシギヤ４４ｂを被削歯車２０に接近させ、被削歯車２０の歯面２４に生じたバリを除去する歯面バリ取り加工が可能なように第一の歯面バリ取りバニッシギヤ４４ａおよび第二の歯面バリ取りバニッシギヤ４４ｂを被削歯車２０に噛み合わせる。   Next, as shown in FIG. 1 to FIG. 3, the gear deburring tool shafts 41a and 41b are further moved by the driving device 11, and the first tooth surface deburring burnishing gear 44a and the second tooth surface deburring burnishing gear 44b are covered. The first tooth surface deburring burnishing gear 44a and the second tooth surface deburring burnishing gear so that the tooth surface deburring processing for removing the burrs generated on the tooth surface 24 of the gear 20 to be cut can be performed. 44b is engaged with the work gear 20.

ここで、歯面バリ取りバニッシギヤが第一の歯面バリ取りバニッシギヤ４４ａおよび第二の歯面バリ取りバニッシギヤ４４ｂから成る分割構造であることで、被削歯車２０が平歯車やはすば歯車など異なる歯面形状であった場合でも面取り加工が可能である。   Here, since the tooth surface deburring burnishing gear has a divided structure including the first tooth surface deburring burnishing gear 44a and the second tooth surface deburring burnishing gear 44b, the work gear 20 is a spur gear or a helical gear. Chamfering is possible even when the tooth surface shape is different.

また、第一の歯面バリ取りバニッシギヤ４４ａおよび第二の歯面バリ取りバニッシギヤ４４ｂがギヤ押付け機構によって被削歯車２０における歯面２４に対して個別に押付けられるので、被削歯車２０の歯面２４に、製作加工誤差などによる相対的な寸法差異があった場合でも歯面バリ取り加工が可能である。   Further, since the first tooth surface deburring burnishing gear 44a and the second tooth surface deburring burnishing gear 44b are individually pressed against the tooth surface 24 of the work gear 20 by the gear pressing mechanism, the tooth surface of the work gear 20 Even if there is a relative dimensional difference due to a manufacturing process error or the like, the tooth surface deburring process can be performed.

以上の動作により、被削歯車２０が第一の歯車面取り工具３０ａおよび第二の歯車面取り工具３０ｂと噛み合い、端面バリ取りカッタ４３ａ、４３ｂに所定圧力で挟まれ、第一の歯面バリ取りバニッシギヤ４４ａおよび第二の歯面バリ取りバニッシギヤ４４ｂに所定圧力で押付けられた状態となり、被削歯車２０を備えた被削歯車軸２１が回転駆動されると、被削歯車２０と噛み合った歯車面取り工具３０によって被削歯車２０の歯形稜線部２２が面取り加工される。並行して、被削歯車２０を所定の圧力で挟んだ第一の端面バリ取りカッタ４３ａおよび第二の端面バリ取りカッタ４３ｂによって被削歯車２０の端面２３ａ、２３ｂに生じたバリを除去する端面バリ取り加工、および被削歯車２０と噛み合った第一の歯面バリ取りバニッシギヤ４４ａおよび第二の歯面バリ取りバニッシギヤ４４ｂによって被削歯車２０の歯面２４に生じたバリを除去する歯面バリ取り加工がなされる。   Through the above operation, the work gear 20 is engaged with the first gear chamfering tool 30a and the second gear chamfering tool 30b, and is sandwiched between the end surface deburring cutters 43a and 43b with a predetermined pressure, so that the first tooth surface deburring burnishing gear is obtained. When the work gear shaft 21 provided with the work gear 20 is driven to rotate by being pressed against the 44a and the second tooth surface deburring burnishing gear 44b and rotated, the gear chamfering tool meshed with the work gear 20 The tooth profile ridge line portion 22 of the work gear 20 is chamfered by 30. In parallel, an end face that removes burrs generated on the end faces 23a and 23b of the work gear 20 by the first end face deburring cutter 43a and the second end face deburring cutter 43b that sandwich the work gear 20 with a predetermined pressure. Deburring and tooth surface burrs for removing burrs generated on the tooth surface 24 of the work gear 20 by the first tooth surface deburring burnishing gear 44a and the second tooth surface deburring burnishing gear 44b engaged with the work gear 20. Machining is done.

もちろん本発明に係る歯車バリ取り工具、歯車バリ取り装置、歯車加工装置および歯車バリ取り方法は、本実施例に限定されない。例えば、本発明に係る歯車バリ取り工具を、ギヤシェーパーまたはラックを備えた歯切り装置に適用しても良い。   Of course, the gear deburring tool, the gear deburring device, the gear machining device, and the gear deburring method according to the present invention are not limited to this embodiment. For example, the gear deburring tool according to the present invention may be applied to a gear cutting device including a gear shaper or a rack.

１０ 歯車加工装置
１１ 駆動装置
２０ 被削歯車
２１ 被削歯車軸
２２ 歯形稜線部
２３ 端面
２４ 歯面
３０ 歯車面取り工具
３１ 歯車面取り工具軸
３２ 角柱部
４０ 歯車バリ取り工具
４１ 歯車バリ取り工具軸
４３ 端面バリ取りカッタ
４４ 歯面バリ取りバニッシギヤ
５０ 上下ピストン
５１ 前後ピストン
５２ 前後ガイドピン
６０ 上下シリンダ
６１ 前後シリンダ
７０ 上下空気室
７１ 前後空気室 DESCRIPTION OF SYMBOLS 10 Gear processing apparatus 11 Drive apparatus 20 Workpiece gear 21 Workpiece gear shaft 22 Tooth profile ridge part 23 End surface 24 Tooth surface 30 Gear chamfering tool 31 Gear chamfering tool shaft 32 Square column part 40 Gear deburring tool 41 Gear deburring tool shaft 43 End surface Deburring cutter 44 Tooth surface deburring burnishing gear 50 Vertical piston 51 Front / rear piston 52 Front / rear guide pin 60 Upper / lower cylinder 61 Front / rear cylinder 70 Upper / lower air chamber 71 Front / rear air chamber

Claims (5)

被削歯車の両端面に押付けられる一対の円盤状の端面バリ取りカッタと、前記被削歯車の歯面に押付けられる歯面バリ取りバニッシギヤとから成り、当該歯面バリ取りバニッシギヤは前記一対の円盤状の端面バリ取りカッタ間に組付けられていることを特徴とする歯車バリ取り工具。   A pair of disc-shaped end face deburring cutters pressed against both end faces of the work gear, and a tooth face deburring burnishing gear pressed against the tooth faces of the work gear, the tooth face deburring burnishing gears being the pair of disks A gear deburring tool, which is assembled between end-shaped deburring cutters. 前記歯面バリ取りバニッシギヤは、前記被削歯車の一方の端面側の歯面に押付けられる第一歯面バリ取りバニッシギヤと、前記被削歯車の他方の端面側の歯面に押付けられる第二歯面バリ取りバニッシギヤとに分割され、
前記第一歯面バリ取りバニッシギヤは、前記被削歯車の一方の端面に押付けられる前記端面バリ取りカッタと一体となり、前記第二歯面バリ取りバニッシギヤは、前記被削歯車の他方の端面に押付けられる前記端面バリ取りカッタと一体となっていることを特徴とする請求項１に記載の歯車バリ取り工具。 The tooth surface deburring burnishing gear includes a first tooth surface deburring burnishing gear pressed against a tooth surface on one end face side of the work gear and a second tooth pressed against a tooth face on the other end face side of the work gear. It is divided into a face deburring burnishing gear,
The first tooth surface deburring burnishing gear is integrated with the end surface deburring cutter pressed against one end surface of the work gear, and the second tooth surface deburring burnishing gear is pressed against the other end surface of the work gear. The gear deburring tool according to claim 1, wherein the gear deburring tool is integrated with the end surface deburring cutter. 被削歯車軸に支持された被削歯車の端面および歯面のバリを除去する歯車バリ取り装置であって、
請求項１または請求項２に記載の歯車バリ取り工具の前記一対の端面バリ取りカッタを前記被削歯車の端面に押付けるカッタ押付け機構と、前記歯車バリ取り工具の前記歯面バリ取りバニッシギヤを前記被削歯車の歯面に押付けるギヤ押付け機構とを具えることを特徴とする歯車バリ取り装置。 A gear deburring device for removing burrs on an end surface and a tooth surface of a work gear supported by a work gear shaft,
A cutter pressing mechanism for pressing the pair of end surface deburring cutters of the gear deburring tool according to claim 1 or 2 against an end surface of the work gear, and the tooth surface deburring burnishing gear of the gear deburring tool. A gear deburring device comprising a gear pressing mechanism that presses against a tooth surface of the work gear. 被削歯車が取付けられる被削歯車軸に隣接して設けられ、前記被削歯車軸に取付けられた被削歯車に歯車面取り工具を噛み合わせることにより前記被削歯車の面取り加工を行う歯車面取り装置と、
前記被削歯車軸に近接し、かつ歯車面取り装置と干渉しない領域に設けた前記請求項3に記載の歯車バリ取り装置を具えることを特徴とする歯車加工装置。 A gear chamfering device that is provided adjacent to a work gear shaft to which a work gear is attached, and chamfers the work gear by engaging a gear chamfering tool with the work gear attached to the work gear shaft. When,
4. The gear machining apparatus according to claim 3, further comprising a gear deburring device according to claim 3 provided in a region close to the work gear shaft and not interfering with the gear chamfering device. 駆動回転される被削歯車に歯車面取り工具を噛み合わせることにより歯形の面取り加工をする一方、被削歯車の端面に円盤状の端面バリ取りカッタを押し当てることにより、面取り加工後の歯形の端面に生じたバリを切削除去すると共に、被削歯車に歯面バリ取りバニッシギヤを押付けながら噛み合わせることによって、面取り加工後の歯形の歯面に生じたバリをバニッシ加工により除去することを特徴とする歯車バリ取り方法。   The tooth profile is chamfered by engaging a gear chamfering tool with the driven gear to be rotated, and the end surface of the tooth profile after chamfering is processed by pressing a disc-shaped end surface deburring cutter against the end surface of the workpiece gear. In addition to cutting and removing burrs generated in the process, the burrs generated on the tooth surfaces of the tooth profile after chamfering are removed by burnishing by meshing while pressing the tooth surface deburring burnishing gear to the work gear. Gear deburring method.
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