JP6687441B2 - Terminal processing device for coil spring - Google Patents

Terminal processing device for coil spring Download PDF

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Publication number
JP6687441B2
JP6687441B2 JP2016064161A JP2016064161A JP6687441B2 JP 6687441 B2 JP6687441 B2 JP 6687441B2 JP 2016064161 A JP2016064161 A JP 2016064161A JP 2016064161 A JP2016064161 A JP 2016064161A JP 6687441 B2 JP6687441 B2 JP 6687441B2
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coil spring
axial direction
deburring
grinding
spring
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JP2017177241A (en
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敏久 松下
敏久 松下
博信 芝野
博信 芝野
友策 湯浅
友策 湯浅
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Chuo Hatsujo KK
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Chuo Hatsujo KK
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Priority to PCT/JP2017/010987 priority patent/WO2017169921A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/06—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving conveyor belts, a sequence of travelling work-tables or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Description

本発明は、コイルばねの軸線方向端部に研削加工を施すためのコイルばね用端末処理装置に関する。   The present invention relates to a coil spring end treatment device for grinding an axial end of a coil spring.

例えば、特許文献１に記載のコイルばね用端末処理装置は、コイルばねをホルダに挿入した状態で、当該コイルばねの軸線方向両端側に配設された一対の砥石車にて、両端を同時に研削加工する。   For example, the terminal treatment device for a coil spring described in Patent Document 1 grinds both ends simultaneously with a pair of grinding wheels disposed on both ends in the axial direction of the coil spring with the coil spring inserted in a holder. To process.

特開２００７−３０７６６８号公報JP, 2007-307668, A

コイルばねの軸線方向両端を同時に研削加工するには、特許文献１に記載の発明のごとく、コイルばねが収納される円筒部を有するホルダにて当該コイルばねを保持する必要がある。このため、特許文献１に記載のコイルばね用端末処理装置では、コイルばねの軸線方向寸法が長く（例えば、１００ｍｍ以上）なると、これに比例してホルダが大型化せざるを得ない。   In order to simultaneously grind both ends of the coil spring in the axial direction, it is necessary to hold the coil spring by a holder having a cylindrical portion in which the coil spring is housed, as in the invention described in Patent Document 1. For this reason, in the coil spring terminal treatment device described in Patent Document 1, when the axial dimension of the coil spring becomes long (for example, 100 mm or more), the holder inevitably becomes large in proportion thereto.

本発明は、上記点に鑑み、装置の大型化を抑制可能なコイルばね用端末処理装置を提供することを目的とする。   The present invention has been made in view of the above points, and an object thereof is to provide a terminal processing device for a coil spring, which can suppress an increase in size of the device.

本願では、コイルばねの軸線方向一端を研削するための第１砥石（３Ａ）と、コイルばねの軸線方向他端を研削する第２砥石（３Ｂ）と、コイルばねを軸線方向一端側に変位させて、当該コイルばねの軸線方向一端を第１砥石（３Ａ）に接触させるための第１ばね押さえ（５Ａ）と、コイルばねを軸線方向他端側に変位させて、当該コイルばねの軸線方向他端を第２砥石（３Ｂ）に接触させるための第２ばね押さえ（５Ｂ）と、コイルばねの軸線方向移動及び軸線周りの回転を規制した状態で、当該コイルばねの軸線方向一端側を保持するための第１研削用保持器（７Ａ）と、コイルばねの軸線方向移動及び軸線周りの回転を規制した状態で、当該コイルばねの軸線方向他端側を保持するための第２研削用保持器（７Ｂ）と、第１砥石（３Ａ）、第２砥石（３Ｂ）、第１ばね押さえ（５Ａ）、第２ばね押さえ（５Ｂ）、第１研削用保持器（７Ａ）及び第２研削用保持器（７Ｂ）の作動を制御し、第１研削制御の終了後、第２研削制御を実行する制御部（１０）とを備える。   In the present application, the first grindstone (3A) for grinding one end in the axial direction of the coil spring, the second grindstone (3B) for grinding the other end in the axial direction of the coil spring, and the coil spring are displaced to the one end side in the axial direction. The first spring retainer (5A) for bringing one end of the coil spring in the axial direction into contact with the first grindstone (3A), and displacing the coil spring to the other end side in the axial direction so that the axial direction of the coil spring, etc. A second spring retainer (5B) for bringing the end into contact with the second grindstone (3B), and one end of the coil spring in the axial direction is held in a state in which axial movement and rotation of the coil spring are restricted. Holder for grinding (7A) for holding, and a holder for holding second grinding for holding the other end of the coil spring in the axial direction in a state in which the movement of the coil spring in the axial direction and the rotation around the axis are restricted. (7B) and the first grindstone (3A , The second grindstone (3B), the first spring retainer (5A), the second spring retainer (5B), the first grinding cage (7A) and the second grinding cage (7B) are controlled to operate, And a control unit (10) for executing the second grinding control after the completion of the first grinding control.

そして、第１研削制御は「第１ばね押さえ（５Ａ）にてコイルばねの軸線方向一端を第１砥石（３Ａ）に接触させた後、第１研削用保持器（７Ａ）にて当該コイルばねの軸線方向一端側を保持させた状態で第１砥石（３Ａ）にてコイルばねの軸線方向一端を研削させる制御」であり、第２研削制御は「第２ばね押さえ（５Ｂ）にてコイルばねの軸線方向他端を第２砥石（３Ｂ）に接触させた後、第２研削用保持器（７Ｂ）にて当該コイルばねの軸線方向他端側を保持させた状態で第２砥石（３Ｂ）にてコイルばねの軸線方向他端を研削させる制御」である。   Then, the first grinding control is performed by "contacting one end of the coil spring in the axial direction with the first grindstone (3A) by the first spring retainer (5A), and then by the first grinding holder (7A). Is a control of grinding one end of the coil spring in the axial direction with the first grindstone (3A) while holding one end of the coil spring in the axial direction ", and the second grinding control is" the coil spring in the second spring retainer (5B) ". After the other end of the axial direction of the coil spring is brought into contact with the second grindstone (3B), the second grindstone (3B) is held by the second grinding retainer (7B) while holding the other end of the coil spring in the axial direction. Control for grinding the other end of the coil spring in the axial direction.

これにより、本願では、コイルばねを収容・保持するためのホルダを必要としない。したがって、装置の大型化を抑制することが可能となるとともに、軸線方向寸法が長いコイルばねであっても、当該コイルばねの軸線方向端部に研削加工を施すことが可能となる。   As a result, the present application does not require a holder for housing and holding the coil spring. Therefore, it is possible to suppress an increase in the size of the device, and it is possible to grind the axial end portion of the coil spring even if the coil spring has a long axial dimension.

因みに、上記各括弧内の符号は、後述する実施形態に記載の具体的構成等との対応関係を示す一例であり、本発明は上記括弧内の符号に示された具体的構成等に限定されるものではない。   Incidentally, the reference numerals in the above parentheses are examples showing the correspondence with the specific configurations and the like described in the embodiments described later, and the present invention is limited to the specific configurations and the like indicated by the reference numerals in the parentheses. Not something.

本発明の実施形態に係るコイルばね用端末処理装置１の模式図である。It is a schematic diagram of the terminal processing apparatus 1 for coil springs which concerns on embodiment of this invention. 本発明の実施形態に係る第１研削用保持器７Ａ及び第２研削用保持器７Ｂの模式図である。It is a schematic diagram of the holder 7A for 1st grinding and the holder 7B for 2nd grinding which concern on embodiment of this invention. 本発明の実施形態に係る制御系のブロック図である。It is a block diagram of a control system concerning an embodiment of the present invention.

以下に説明する「発明の実施形態」は、本願発明の技術的範囲に属する実施形態の一例を示すものである。つまり、特許請求の範囲に記載された発明特定事項等は、下記の実施形態に示された具体的構成や構造等に限定されるものではない。   The “embodiment of the invention” described below shows an example of an embodiment within the technical scope of the present invention. That is, the matters specifying the invention described in the claims are not limited to the specific configurations and structures shown in the following embodiments.

以下、本発明の実施形態を図面と共に説明する。なお、各図に付された方向を示す矢印等は、各図相互の関係を理解し易くするために記載したものである。本発明は、各図に付された方向に限定されるものではない。   Embodiments of the present invention will be described below with reference to the drawings. It should be noted that the arrows and the like indicating the directions attached to the respective drawings are provided to facilitate the understanding of the mutual relationship between the respective drawings. The present invention is not limited to the directions given in the drawings.

少なくとも符号を付して説明した部材又は部位は、「複数」や「２つ以上」等の断りをした場合を除き、少なくとも１つ設けられている。
（第１実施形態）
１．コイルばね用端末処理装置の概要
本実施形態は、自動車用のコイルばねの軸線方向端部に研削加工を施すためのコイルばね用端末処理装置に本発明を適用したものである。本実施形態に係るコイルばね用端末処理装置１は、図１に示すように、少なくとも第１ステージ〜第４ステージを備える。 At least one member or part described with reference numerals is provided, except for cases where “plurality” or “two or more” or the like is not specified.
(First embodiment)
1. 1. Outline of Coil Spring Terminal Processing Apparatus In the present embodiment, the present invention is applied to a coil spring terminal processing apparatus for grinding an axial end of a coil spring for an automobile. As shown in FIG. 1, the coil spring terminal treatment device 1 according to the present embodiment includes at least first to fourth stages.

第１ステージは、コイルばねＳの軸線方向一端を研削加工する第１研削工程を実行するためのステージである。第２ステージは、コイルばねＳの軸線方向他端を研削加工する第２研削工程を実行するためのステージである。   The first stage is a stage for performing a first grinding step of grinding one end of the coil spring S in the axial direction. The second stage is a stage for executing a second grinding step of grinding the other end of the coil spring S in the axial direction.

第３ステージは、コイルばねＳの軸線方向一端に発生した「バリ」を除去する第１バリ取り工程を実行するためのステージである。第４ステージは、コイルばねＳの軸線方向他端に発生した「バリ」を除去する第２バリ取り工程を実行するためのステージである。   The third stage is a stage for executing the first deburring step of removing "burrs" generated at one end of the coil spring S in the axial direction. The fourth stage is a stage for performing a second deburring step of removing "burrs" generated at the other axial end of the coil spring S.

なお、「バリ」とは、金属製のワークに研削加工等の機械加工を施したときに、当該ワークの角部（エッジ部）に発生する細かな「出っ張り」等をいう。
２．コイルばね用端末処理装置の構成
２．１ 第１ステージ及び第２ステージの構成機器及びその制御
第１砥石３Ａは、コイルばねＳの軸線方向一端を研削又は研磨するための機器である。第２砥石３Ｂは、コイルばねＳの軸線方向他端を研削又は研磨するための機器である。第１砥石３Ａ及び第２砥石３Ｂは、回転運動又は往復運動しながらコイルばねＳの軸線方向端部を研削等する。 The term “burr” refers to a fine “protrusion” or the like that occurs at a corner portion (edge portion) of a metal work when the metal work is subjected to machining such as grinding.
2. Configuration of Terminal Processing Device for Coil Spring 2.1 Components and Controls of First Stage and Second Stage The first grindstone 3A is a device for grinding or polishing one end of the coil spring S in the axial direction. The second grindstone 3B is a device for grinding or polishing the other axial end of the coil spring S. The first grindstone 3A and the second grindstone 3B grind the axial end portion of the coil spring S while rotating or reciprocating.

第１ばね押さえ５Ａは、コイルばねＳを軸線方向一端側に変位させて、当該コイルばねＳの軸線方向一端を第１砥石３Ａに接触させるための機器である。第２ばね押さえ５Ｂは、コイルばねＳを軸線方向他端側に変位させて、当該コイルばねＳの軸線方向他端を第２砥石３Ｂに接触させるための機器である。   The first spring retainer 5A is a device for displacing the coil spring S toward one end in the axial direction and bringing one end in the axial direction of the coil spring S into contact with the first grindstone 3A. The second spring retainer 5B is a device for displacing the coil spring S toward the other end in the axial direction and bringing the other end in the axial direction of the coil spring S into contact with the second grindstone 3B.

本実施形態では、第１ばね押さえ５Ａと第２ばね押さえ５Ｂとは同一構造の機器である。具体的には、第１ばね押さえ５Ａ及び第２ばね押さえ５Ｂは、押圧ばね（図示せず。）、変位検知部（図示せず。）、及び押圧器（図示せず。）等を有して構成されている。   In the present embodiment, the first spring retainer 5A and the second spring retainer 5B have the same structure. Specifically, the first spring retainer 5A and the second spring retainer 5B have a pressing spring (not shown), a displacement detector (not shown), a pressing device (not shown), and the like. Is configured.

なお、第１ステージ及び第２ステージには、第１ばね押さえ５Ａ又は第２ばね押さえ５ＢにてコイルばねＳを変位させる際に、当該コイルばねＳの変位を案内するガイド部（図示せず。）が設けられている。当該ガイド部は、例えば、コイルばねＳの内に挿入可能な芯金、又はコイルばねＳの外周に滑り可能な壁部等である。   In addition, in the first stage and the second stage, when the coil spring S is displaced by the first spring retainer 5A or the second spring retainer 5B, a guide portion (not shown) that guides the displacement of the coil spring S. ) Is provided. The guide portion is, for example, a cored bar that can be inserted into the coil spring S, or a wall portion that can slide on the outer circumference of the coil spring S.

押圧ばねは、コイルばねＳのばね定数より小さいばね定数で構成されたばねである。変位検知部は、近接スイッチ又はリミットスイッチ等で構成された押圧ばねの変位を検知するセンサである。押圧器は、押圧ばねを介してコイルばねＳを押圧して当該コイルばねＳを移動させる機器である。   The pressing spring is a spring having a spring constant smaller than that of the coil spring S. The displacement detection unit is a sensor configured to detect the displacement of the pressing spring including a proximity switch or a limit switch. The pressing device is a device that presses the coil spring S via a pressing spring to move the coil spring S.

第１研削用保持器７Ａは、コイルばねＳの軸線方向移動及び軸線周りの回転を規制した状態で、当該コイルばねの軸線方向一端側を保持するための機器である。第２研削用保持器７Ｂは、コイルばねＳの軸線方向移動及び軸線周りの回転を規制した状態で、当該コイルばねの軸線方向他端側を保持するための機器である。   The first grinding holder 7A is a device for holding one end side in the axial direction of the coil spring S in a state in which the movement of the coil spring S in the axial direction and the rotation around the axis are restricted. The second holder 7B for grinding is a device for holding the other end of the coil spring S in the axial direction in a state in which the movement of the coil spring S in the axial direction and the rotation around the axis are restricted.

本実施形態では、第１研削用保持器７Ａと第２研削用保持器７Ｂとは同一構造の機器である。具体的には、第１研削用保持器７Ａ及び第２研削用保持器７Ｂは、図２に示すように、Ｖブロック状の第１保持部７Ｃ及び板状の第２保持部７Ｄ等を有して構成されている。   In this embodiment, the first grinding cage 7A and the second grinding cage 7B have the same structure. Specifically, the first grinding holder 7A and the second grinding holder 7B have a V-block-shaped first holding portion 7C and a plate-shaped second holding portion 7D as shown in FIG. Is configured.

第２保持部７Ｄは、第１保持部７Ｃに対して離接方向に変位可能である。そして、第２保持部７Ｄは、第１保持部７Ｃに近接するように変位することによりコイルばねＳを保持し、かつ、第１保持部７Ｃに離間変位することにより、保持していたコイルばねＳを開放する。   The second holding portion 7D is displaceable with respect to the first holding portion 7C in the contact / separation direction. The second holding portion 7D holds the coil spring S by displacing it so as to approach the first holding portion 7C, and moves away from the first holding portion 7C so as to hold the coil spring S. Release S.

図３に示す制御部１０は、少なくとも第１砥石３Ａ、第２砥石３Ｂ、第１ばね押さえ５Ａ、第２ばね押さえ５Ｂ、第１研削用保持器７Ａ及び第２研削用保持器７Ｂの作動を制御する。当該制御部１０は、第１研削制御の終了後、第２研削制御を実行する。   The control unit 10 shown in FIG. 3 operates at least the first grindstone 3A, the second grindstone 3B, the first spring retainer 5A, the second spring retainer 5B, the first grinding retainer 7A, and the second grinding retainer 7B. Control. The control unit 10 executes the second grinding control after the completion of the first grinding control.

つまり、第１研削制御は第１ステージで実行される。第２研削制御は第２ステージで実行される。第１研削制御が終了したコイルばねＳは、第２ステージに移送されて第２研削制御が実行される。   That is, the first grinding control is executed in the first stage. The second grinding control is executed in the second stage. The coil spring S for which the first grinding control has been completed is transferred to the second stage and the second grinding control is executed.

第１研削制御は「第１ばね押さえ５ＡにてコイルばねＳの軸線方向一端を第１砥石３Ａに接触させた後、第１研削用保持器７Ａにて当該コイルばねＳの軸線方向一端側を保持させた状態で第１砥石３ＡにてコイルばねＳの軸線方向一端を研削等させる制御」である。   The first grinding control is performed by "contacting one end of the coil spring S in the axial direction with the first spring retainer 5A to the first grindstone 3A, and then moving the one end of the coil spring S in the axial direction with the first grinding holder 7A. It is a control to grind one end in the axial direction of the coil spring S with the first grindstone 3A while being held. "

第２研削制御は「第２ばね押さえ５ＢにてコイルばねＳの軸線方向他端を第２砥石３Ｂに接触させた後、第２研削用保持器７Ｂにて当該コイルばねＳの軸線方向他端側を保持させた状態で第２砥石３ＢにてコイルばねＳの軸線方向他端を研削等させる制御」である。   The second grinding control is “after the other end of the coil spring S in the axial direction is brought into contact with the second grindstone 3B by the second spring retainer 5B, and then the other end of the coil spring S in the axial direction by the second grinding retainer 7B. Control for grinding the other end in the axial direction of the coil spring S by the second grindstone 3B while holding the side ".

第１研削制御及び第２研削制御において、制御部１０は、第１ばね押さえ５Ａ又は第２ばね押さえ５Ｂの変位検知部から出力される信号を利用して、コイルばねＳの軸線方向端部が第１砥石３Ａ又は第２砥石３Ｂに接触したか否かを判定する。   In the first grinding control and the second grinding control, the control unit 10 uses the signal output from the displacement detection unit of the first spring retainer 5A or the second spring retainer 5B to determine the axial end of the coil spring S. It is determined whether or not the first grindstone 3A or the second grindstone 3B is contacted.

そして、制御部１０は、接触したと判定した場合には、第２保持部７Ｄを第１保持部７Ｃに近接変位させて、第１研削用保持器７Ａ又は第２研削用保持器７ＢにコイルばねＳを保持させた後、第１砥石３Ａ又は第２砥石３Ｂを作動させる。   When the controller 10 determines that the second holder 7D is in contact with the first holder 7C, the controller 10 causes the first holder 7A or the second holder 7B to coil. After holding the spring S, the first grindstone 3A or the second grindstone 3B is operated.

制御部１０は、第１砥石３Ａ及び第２砥石３Ｂ（以下、総称する際には第１砥石３Ａ等と記す）による研削加工時には、第１砥石３Ａ等を予め決められた寸法だけコイルばねＳ側に変位させる。そして、第１砥石３Ａ等が予め決められた寸法だけコイルばねＳ側に変位した時に、制御部１０は、当該研削加工を終了させて第１砥石３Ａ等を元の位置に復帰させる。   The control unit 10 causes the coil spring S to have a predetermined size for the first grindstone 3A and the like during the grinding process using the first grindstone 3A and the second grindstone 3B (hereinafter, referred to as the first grindstone 3A and the like when collectively referred to). Displace to the side. Then, when the first grindstone 3A or the like is displaced toward the coil spring S side by a predetermined dimension, the control unit 10 terminates the grinding process and returns the first grindstone 3A or the like to the original position.

なお、制御部１０は、ＣＰＵ、ＲＯＭ及びＲＡＭ等を有して構成されたコンピュータである。第１研削制御及び第２研削制御等を実行するためのプログラムは、ＲＯＭ等の不揮発性記憶部に予め記憶されている。   The control unit 10 is a computer including a CPU, a ROM, a RAM, and the like. A program for executing the first grinding control, the second grinding control, and the like is stored in advance in a nonvolatile storage unit such as a ROM.

２．１ 第３ステージ及び第４ステージの構成機器及びその制御
第３ステージ及び第４ステージには、図１に示すように、少なくともバリ取り器１１及びバリ取り用保持器１３が設けられている。バリ取り器１１は、コイルばねの軸線方向端部に発生したバリを除去するため機器である。 2.1 Components of Third Stage and Fourth Stage and Control Thereof As shown in FIG. 1, at least a deburring device 11 and a deburring holder 13 are provided on the third stage and the fourth stage. . The deburring device 11 is a device for removing burrs generated at the axial end portion of the coil spring.

本実施形態に係るバリ取り器１１は、第１バリ取り器１１Ａ及び第２バリ取り器１１Ｂ等を有して構成されている。以下、第１バリ取り器１１Ａ及び第２バリ取り器１１Ｂを総称する際には、バリ取り器１１と記す。   The deburring device 11 according to the present embodiment is configured to include a first deburring device 11A, a second deburring device 11B, and the like. Hereinafter, the first deburring device 11A and the second deburring device 11B are collectively referred to as the deburring device 11.

第１バリ取り器１１Ａは、コイルばねＳの軸線方向一端側に発生したバリを除去するための機器である。第２バリ取り器は、コイルばねＳの軸線方向他端側に発生したバリを除去するための機器である。本実施形態に係る第１バリ取り器１１Ａ及び第２バリ取り器１１Ｂは、回転運動又は往復運動する金属ブラシ等にて構成された機器である。   The first deburring device 11A is a device for removing burrs generated on one end side of the coil spring S in the axial direction. The second deburring device is a device for removing burrs generated on the other end side in the axial direction of the coil spring S. The first deburring device 11A and the second deburring device 11B according to the present embodiment are devices configured by a metal brush or the like that rotates or reciprocates.

バリ取り用保持器１３は、コイルばねの軸線方向移動を規制した状態で当該コイルばねＳを保持するための機器である。本実施形態に係るバリ取り用保持器１３は、第１バリ取り用保持器１３Ａ及び第２バリ取り用保持器１３Ｂ等を有して構成されている。   The deburring holder 13 is a device for holding the coil spring S in a state where the axial movement of the coil spring is restricted. The deburring holder 13 according to the present embodiment includes a first deburring holder 13A and a second deburring holder 13B.

第１バリ取り用保持器１３Ａは、コイルばねＳの軸線方向一端側を保持するための機器である。第２バリ取り用保持器１３Ｂは、コイルばねＳの軸線方向他端側を保持するための機器である。本実施形態に係る第１バリ取り用保持器１３Ａ及び第２バリ取り用保持器１３Ｂ（以下、総称する際には、バリ取り用保持器１３と記す。）は、同一の構成である。   The first deburring holder 13A is a device for holding one end of the coil spring S in the axial direction. The second deburring holder 13B is a device for holding the other end of the coil spring S in the axial direction. The first deburring holder 13A and the second deburring holder 13B (hereinafter collectively referred to as the deburring holder 13) according to the present embodiment have the same configuration.

具体的には、バリ取り用保持器１３は、Ｖブロック状に構成された一対の保持器（図示せず。）を有して構成されている。当該一対の保持器は、コイルばねＳをその直径方向から挟み込むようにして、直径方向にコイルばねＳが変位することを規制した状態で当該コイルばねＳを保持する。   Specifically, the deburring holder 13 is configured to have a pair of V-block-shaped cages (not shown). The pair of retainers sandwiches the coil spring S from the diametrical direction and holds the coil spring S in a state in which the displacement of the coil spring S in the diametrical direction is restricted.

つまり、本実施形態では、コイルばねＳは、バリ取り用保持器１３により保持された状態であっても、軸線周りに回転することができる。そして、コイルばねＳを挟んでバリ取り用保持器１３と反対側には、コイルばねＳを軸線周りに回転させるための回転器１５が設けられている。   That is, in the present embodiment, the coil spring S can rotate about the axis even when being held by the deburring holder 13. A rotator 15 for rotating the coil spring S around the axis is provided on the side opposite to the deburring holder 13 with the coil spring S interposed therebetween.

回転器１５は第１回転器１５Ａ及び第２回転器１５Ｂ等を有する。第１回転器１５Ａは、第３ステージにおいて、コイルばねＳを挟んで第１バリ取り用保持器１３Ａと反対側に配設されている。   The rotator 15 has a first rotator 15A and a second rotator 15B. The first rotator 15A is arranged on the opposite side of the first deburring holder 13A with the coil spring S interposed therebetween in the third stage.

第２回転器１５Ｂは、第４ステージにおいて、コイルばねＳを挟んで第２バリ取り用保持器１３Ｂと反対側に配設されている。第１回転器１５Ａ及び第２回転器１５Ｂ（以下、総称する際には、回転器１５と記す。）は同一構成である。   The second rotator 15B is arranged on the opposite side of the second deburring holder 13B with the coil spring S interposed therebetween in the fourth stage. The first rotator 15A and the second rotator 15B (hereinafter collectively referred to as the rotator 15) have the same configuration.

すなわち、回転器１５は、コイルばねＳの軸線方向端部を挟み込むようにチャッキングした状態で当該コイルばねＳを回転させる。なお、本実施形態に係る回転器１５は規制壁１５Ｃが設けられている。   That is, the rotator 15 rotates the coil spring S in a state of being chucked so as to sandwich the axial end of the coil spring S. The rotator 15 according to the present embodiment is provided with a restriction wall 15C.

規制壁１５Ｃは、コイルばねＳの軸線方向端部に接触して、当該コイルばねＳがバリ取り器１１から離間することを規制する。なお、第３ステージ及び第４ステージにも第１ステージ等と同様な機能を発揮するガイド部（図示せず。）が設けられている。   The regulation wall 15C contacts the axial end of the coil spring S and regulates the separation of the coil spring S from the deburring device 11. It should be noted that the third stage and the fourth stage are also provided with guide portions (not shown) having the same functions as the first stage and the like.

制御部１０は、バリ取り器１１、バリ取り用保持器１３及び回転器１５の作動も制御する（図３参照）。制御部１０は、第２研削制御の終了後、バリ取り制御を実行する。バリ取り制御は「バリ取り用保持器１３にてコイルばねＳを保持させた状態でバリ取り器１１にて当該コイルばねＳの軸線方向端部に発生したバリを除去する制御」である。   The control unit 10 also controls the operations of the deburring device 11, the deburring holder 13, and the rotator 15 (see FIG. 3). The control unit 10 executes deburring control after the second grinding control is completed. The deburring control is "control for removing the burr generated at the axial end of the coil spring S by the deburring device 11 while the coil spring S is held by the deburring holder 13."

具体的には、制御部１０は、コイルばねＳを第２ステージから第３ステージに移送させた後、当該第３ステージにおいて、第１バリ取り器１１Ａ及び第１バリ取り用保持器１３Ａによる第１バリ取り制御を実行する。   Specifically, the control unit 10 transfers the coil spring S from the second stage to the third stage, and then, at the third stage, the first deburring device 11A and the first deburring holder 13A 1 Execute deburring control.

第１バリ取り制御の終了後、制御部１０は、コイルばねＳを第４ステージに移送させて、第２バリ取り器１１Ｂ及び第２バリ取り用保持器１３Ｂによる第２バリ取り制御を実行する。   After the completion of the first deburring control, the control unit 10 transfers the coil spring S to the fourth stage and executes the second deburring control by the second deburring device 11B and the second deburring holder 13B. .

そして、第１バリ取り制御及び第２バリ取り制御の実行時においては、制御部１０は、回転器１５を作動させてコイルばねＳを軸線周りに回転させる。第２バリ取り制御が終了すると、制御部１０は、コイルばねＳをコイルばね用端末処理装置１から排出する。   Then, during execution of the first deburring control and the second deburring control, the control unit 10 operates the rotator 15 to rotate the coil spring S around the axis. When the second deburring control ends, the control unit 10 ejects the coil spring S from the coil spring terminal processing device 1.

３．本実施形態に係るコイルばね用端末処理装置の特徴
本実施形態では、上述したように、第１ステージと第２ステージとに分けてコイルばねＳの軸線方向端部を研削・研磨するので、コイルばねＳを収容・保持するためのホルダを必要としない。 3. Features of the coil spring end treatment device according to the present embodiment In the present embodiment, as described above, the axial end portion of the coil spring S is ground and polished separately for the first stage and the second stage. No holder is required for housing and holding the spring S.

したがって、装置の大型化を抑制することが可能となるとともに、軸線方向寸法が長いコイルばねであっても、当該コイルばねＳの軸線方向端部に研削加工を施すことが可能となる。   Therefore, it is possible to suppress the increase in size of the device, and it is possible to grind the axial end portion of the coil spring S even if the coil spring has a long axial dimension.

本実施形態では、第２研削制御の終了後、バリ取り制御を実行するので、コイルばねＳの軸線方向端部に研削・研磨加工を施すことにより発生したバリを除去できる。そして、バリ取り制御の実行中にコイルばねＳを軸線周りに回転させるので、軸線方向端部に発生したバリを確実に除去できる。   In the present embodiment, since the deburring control is executed after the second grinding control is completed, it is possible to remove the burrs generated by performing the grinding / polishing process on the axial end of the coil spring S. Then, since the coil spring S is rotated around the axis line during the execution of the deburring control, it is possible to reliably remove the burrs generated at the axial end portions.

（その他の実施形態）
上述の実施形態では、バリ取り制御を２つの工程に分けたが、本発明はこれに限定されるものではない。つまり、コイルばねＳの軸線方向両端に対して同時にバリ取り制御を実行してもよい。 (Other embodiments)
Although the deburring control is divided into two steps in the above-described embodiment, the present invention is not limited to this. That is, the deburring control may be simultaneously performed on both ends of the coil spring S in the axial direction.

上述の実施形態に係るコイルばね用端末処理装置１は、バリ取り制御も実行可能であった。しかし、本発明はこれに限定されるものではなく、バリ取り制御を実行するための機能を廃止してもよい。   The coil spring terminal treatment device 1 according to the above-described embodiment can also execute deburring control. However, the present invention is not limited to this, and the function for executing the deburring control may be omitted.

上述の実施形態に係るバリ取り器１１は、金属ブラシを利用したものであったが、本発明はこれに限定されるものではない。
上述の実施形態では、バリ取り制御の実行中にコイルばねＳを軸線周りに回転させたが、本発明はこれに限定されるものではない。 The deburring device 11 according to the above-described embodiment uses a metal brush, but the present invention is not limited to this.
In the above-described embodiment, the coil spring S is rotated around the axis during the execution of the deburring control, but the present invention is not limited to this.

また、本発明は、特許請求の範囲に記載された発明の趣旨に合致するものであればよく、上述の実施形態に限定されるものではない。   Further, the present invention is not limited to the above-described embodiment as long as it matches the gist of the invention described in the claims.

１… 用端末処理装置 ３Ａ… 第１砥石 ３Ｂ… 第２砥石
７Ａ… 第１研削用保持器 ７Ｂ… 第２研削用保持器
７Ｃ… 第１保持部 ７Ｄ… 第２保持部 １０… 制御部 1 ... Terminal processing device 3A ... 1st grindstone 3B ... 2nd grindstone 7A ... 1st grinding holder 7B ... 2nd grinding holder 7C ... 1st holding part 7D ... 2nd holding part 10 ... Control part

Claims (4)

コイルばねの軸線方向端部に研削加工を施すためのコイルばね用端末処理装置において、
コイルばねの軸線方向一端を研削するための第１砥石と、
コイルばねの軸線方向他端を研削する第２砥石と、
コイルばねを軸線方向一端側に変位させて、当該コイルばねの軸線方向一端を前記第１砥石に接触させるための第１ばね押さえと、
コイルばねを軸線方向他端側に変位させて、当該コイルばねの軸線方向他端を前記第２砥石に接触させるための第２ばね押さえと、
コイルばねの軸線方向移動及び軸線周りの回転を規制した状態で、当該コイルばねの軸線方向一端側を保持するための第１研削用保持器と、
コイルばねの軸線方向移動及び軸線周りの回転を規制した状態で、当該コイルばねの軸線方向他端側を保持するための第２研削用保持器と、
前記第１砥石、前記第２砥石、前記第１ばね押さえ、前記第２ばね押さえ、前記第１研削用保持器及び第２研削用保持器の作動を制御し、第１研削制御の終了後、第２研削制御を実行する制御部とを備え、
前記第１研削制御は「前記第１ばね押さえにてコイルばねの軸線方向一端を前記第１砥石に接触させた後、前記第１研削用保持器にて当該コイルばねの軸線方向一端側を保持させた状態で前記第１砥石にてコイルばねの軸線方向一端を研削させる制御」であり、
前記第２研削制御は「前記第２ばね押さえにてコイルばねの軸線方向他端を前記第２砥石に接触させた後、前記第２研削用保持器にて当該コイルばねの軸線方向他端側を保持させた状態で前記第２砥石にてコイルばねの軸線方向他端を研削させる制御」であり、
前記第１ばね押さえ及び前記第２ばね押さえは、
コイルばねのばね定数より小さいばね定数で構成された押圧ばね、及び
前記押圧ばねを介してコイルばねを押圧して当該コイルばねを移動させる押圧器を少なくとも有して構成され、
前記第１研削用保持器及び前記第２研削用保持器は、Ｖブロック状の第１保持部及び板状の第２保持部を少なくとも有して構成されていることを特徴とするコイルばね用端末処理装置。 In a terminal processing device for a coil spring for performing grinding processing on the axial end portion of the coil spring,
A first grindstone for grinding one end of the coil spring in the axial direction,
A second grindstone for grinding the other end of the coil spring in the axial direction,
A first spring retainer for displacing the coil spring toward one end in the axial direction to bring one end in the axial direction of the coil spring into contact with the first grindstone;
A second spring retainer for displacing the coil spring toward the other end in the axial direction to bring the other end in the axial direction of the coil spring into contact with the second grindstone;
A first grinding cage for holding one end of the coil spring in the axial direction in a state in which movement of the coil spring in the axial direction and rotation around the axis are restricted;
A second grinding retainer for holding the other end of the coil spring in the axial direction in a state where movement of the coil spring in the axial direction and rotation around the axis are restricted;
After controlling the operations of the first grindstone, the second grindstone, the first spring retainer, the second spring retainer, the first grinding retainer and the second grinding retainer, and after the completion of the first grinding control, A control unit that executes a second grinding control,
In the first grinding control, “after the one end of the coil spring in the axial direction is brought into contact with the first grindstone by the first spring retainer, the one end of the coil spring in the axial direction is held by the first grinding cage. Control to grind one end in the axial direction of the coil spring with the first grindstone in the state of "
In the second grinding control, “after the second spring retainer is brought into contact with the second grindstone at the other end of the coil spring in the axial direction, the second grinding retainer is used to contact the other end of the coil spring in the axial direction. Control of grinding the other end in the axial direction of the coil spring with the second grindstone while holding
The first spring retainer and the second spring retainer are
A pressing spring having a spring constant smaller than that of the coil spring, and
It is configured to have at least a pressing device that moves the coil spring by pressing the coil spring via the pressing spring ,
A coil spring characterized in that the first grinding cage and the second grinding cage are configured to have at least a V-block-shaped first holding portion and a plate-shaped second holding portion . Terminal processing unit. コイルばねの軸線方向端部に発生したバリを除去するためのバリ取り器と、
コイルばねの軸線方向移動を規制した状態で当該コイルばねを保持するためのバリ取り用保持器と、
前記バリ取り器及び前記バリ取り用保持器の作動を制御する第２の制御部であって、前記第２研削制御の終了後、前記バリ取り用保持器にてコイルばねを保持させた状態で前記バリ取り器にて当該コイルばねの軸線方向端部に発生したバリを除去するバリ取り制御を実行する第２の制御部と
を備えることを特徴とする請求項１に記載のコイルばね用端末処理装置。 A deburring device for removing burrs generated at the end of the coil spring in the axial direction,
A deburring cage for holding the coil spring in a state where the axial movement of the coil spring is restricted,
A second control unit for controlling the operations of the deburring device and the deburring holder, the coil spring being held by the deburring holder after the second grinding control is completed. A second control unit that executes deburring control for removing a burr generated at the axial end portion of the coil spring by the deburring device, the terminal for coil spring according to claim 1. Processing equipment. 前記バリ取り器は、コイルばねの軸線方向一端側に発生したバリを除去するための第１バリ取り器、及びコイルばねの軸線方向他端側に発生したバリを除去するための第２バリ取り器を有して構成され、
前記バリ取り用保持器は、コイルばねの軸線方向一端側を保持するための第１バリ取り用保持器、及びコイルばねの軸線方向他端側を保持するための第２バリ取り用保持器を有して構成されており、
前記第２の制御部は、前記第１バリ取り器及び前記第１バリ取り用保持器による第１バリ取り制御の終了後、前記第２バリ取り器及び前記第２バリ取り用保持器による第２バリ取り制御を実行することを特徴とする請求項２に記載のコイルばね用端末処理装置。 The deburring device is a first deburring device for removing a burr generated on one end side in the axial direction of the coil spring, and a second deburring device for removing a burr generated on the other end side in the axial direction of the coil spring. Configured with a vessel,
The deburring cage includes a first deburring cage for holding one end of the coil spring in the axial direction and a second deburring cage for holding the other end of the coil spring in the axial direction. Is configured to have,
The second controller controls the second deburring machine and the second deburring cage after the first deburring control by the first deburring machine and the first deburring cage is completed. coil spring terminal apparatus according to claim 2, characterized in that to perform two deburring control. 前記バリ取り制御の実行中にコイルばねを軸線周りに回転させる回転器を備えることを特徴とする請求項２又は３に記載のコイルばね用端末処理装置。 The coil spring terminal processing device according to claim 2 or 3 , further comprising a rotator that rotates the coil spring around an axis during execution of the deburring control.
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