JPH045358U

JPH045358U -

Info

Publication number: JPH045358U
Application number: JP4512590U
Authority: JP
Priority date: 1990-05-01
Filing date: 1990-05-01
Publication date: 1992-01-17
Anticipated expiration: 2005-05-01
Also published as: JPH085002Y2

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本考案の一実施例を、研削盤に適用
した状態を示す一部切欠平面図、第２図は、第１
図における−線に沿う正面図、第３図は、ロ
ーダヘツド（保持装置）全体の一部切欠拡大側面
図、第４図は、ローラ支持体が、ワーク端面の面
振れによつて回動されている状態を示す説明図、
第５図は、従来のローダヘツドを示す一部切欠平
面図である。１，４……基軸、２……受けローラ、３，６…
…駆動プーリ、５……押えローラ、７……無端ベ
ルト、８……エンジンバルブ（ワーク）、８ａ…
…傘部（拡径部）、８ｂ……軸部、８ｃ……弁フ
エース部、８ｄ……傘表（端面）、９……ローダ
ヘツド（保持装置）、１０……ベースブロツク、
１０ａ……支持アーム、１０ｂ……凹所、１１…
…ローラ支持体、１１ａ……凹部、１２……軸孔
、１３……ピン、１４……軸受、１５……支軸、
１６……支持ローラ、１７……支持ブロツク、１
８，１９……ボルト、２０……ブラケツト、２１
……エアシリンダ、２１ａ……ピストンロツド、
２２……ストツパ軸、２３……砥石車、２３ａ…
…フエース研削面。 FIG. 1 is a partially cutaway plan view showing one embodiment of the present invention applied to a grinding machine, and FIG.
3 is a partially cutaway enlarged side view of the entire loader head (holding device), and FIG. 4 is a front view taken along the - line in the figure. An explanatory diagram showing a state in which
FIG. 5 is a partially cutaway plan view showing a conventional loader head. 1, 4... Base shaft, 2... Reception roller, 3, 6...
...Drive pulley, 5...Press roller, 7...Endless belt, 8...Engine valve (work), 8a...
... Umbrella portion (expanded diameter portion), 8b... Shaft portion, 8c... Valve face portion, 8d... Umbrella surface (end surface), 9... Loader head (holding device), 10... Base block,
10a...support arm, 10b...recess, 11...
...roller support body, 11a ... recess, 12 ... shaft hole, 13 ... pin, 14 ... bearing, 15 ... spindle,
16...Support roller, 17...Support block, 1
8, 19... Bolt, 20... Bracket, 21
...Air cylinder, 21a...Piston rod,
22...stopper shaft, 23...grinding wheel, 23a...
...Face ground surface.

Claims

【実用新案登録請求の範囲】 (1) 軸部の一端に拡径部を備えるワークにおけ
る前記拡径部の外周を、研削盤等により研削する
に際し、拡径部の端面を軸方向に押圧保持する際
に用いる保持装置であつて、前記ワークに向かつて進退しうるベースブロツ
クの先端に連設された１対の支持アーム間に、ロ
ーラ支持体の両側部を、ワークの中心軸線と直交
する軸線まわりに回動自在に枢支し、かつ前記ロ
ーラ支持体により中間部が支持されるとともに、
ローラ支持体の回動中心に対して直交する軸の両
端部に、１対の支持ローラを、前記ワークの端面
と当接可能として枢支したことを特徴とする研削
盤等におけるワーク端面の保持装置。 (2) 両支持ローラのワーク側と端部同士を結ぶ
線が、ローラ支持体の回動中心を通るようにして
なる請求項(1)記載の研削盤等におけるワーク端
面の保持装置。[Scope of Claim for Utility Model Registration] (1) When grinding the outer periphery of the enlarged diameter part in a workpiece having an enlarged diameter part at one end of the shaft part using a grinder, etc., the end face of the enlarged diameter part is pressed and held in the axial direction. The holding device is a holding device used when the workpiece is moved forward and backward toward the workpiece, and between a pair of support arms connected to the tip of a base block that can move forward and backward toward the workpiece, both sides of the roller support body are held perpendicular to the central axis of the workpiece. is pivotably supported around an axis, and has an intermediate portion supported by the roller support;
Holding an end face of a workpiece in a grinding machine or the like, characterized in that a pair of support rollers are pivotally supported at both ends of a shaft perpendicular to the center of rotation of a roller support body so as to be able to come into contact with the end face of the workpiece. Device. (2) The device for holding a workpiece end face in a grinding machine or the like according to claim (1), wherein a line connecting the workpiece sides and the ends of both support rollers passes through the center of rotation of the roller support.