JPS6364456U

JPS6364456U -

Info

Publication number: JPS6364456U
Application number: JP15664786U
Authority: JP
Priority date: 1986-10-15
Filing date: 1986-10-15
Publication date: 1988-04-28

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る孔内研削装置
の全体構成図、第２図は装置先端部の断面側面図
、第３図は第２図中の―線断面図、第４図は
第２図中の―線断面図、第５図は第２図中の
―線断面図、第６図は第２図中の矢印部の
拡大図、第７図は押引棒とピストンロツドの結合
状態図、第８図は従来の孔内研削装置の砥石を閉
じた状態の側面図、第９図はその砥石を開いた状
態の側面図、第１０図は第９図中の―線矢視
図である。図面中、３２は主軸、３７は回転軸、３８はパ
イプ本体、４０は押引棒、４２はアーム板、４３
はリンク板、４４は砥石、４５はシリンダ、４６
はピストンロツド、４８はラツク部、４９はピニ
オン、５０はローラ、５７はエアシリンダ、６５
は小径長孔、６６は中間袋孔である。 Fig. 1 is an overall configuration diagram of an in-hole grinding device according to an embodiment of the present invention, Fig. 2 is a sectional side view of the tip of the device, Fig. 3 is a sectional view taken along the line - in Fig. 2, and Fig. 4 is a sectional view taken along the line - - in Fig. 2, Fig. 5 is a sectional view taken along the line - - in Fig. 2, Fig. 6 is an enlarged view of the arrowed part in Fig. 2, and Fig. 7 is a cross-sectional view taken along the line - - in Fig. 2. Fig. 8 is a side view of the conventional in-hole grinding device with the grinding wheel closed, Fig. 9 is a side view of the grinding wheel opened, and Fig. 10 shows the - line arrow in Fig. 9. This is a perspective view. In the drawing, 32 is a main shaft, 37 is a rotating shaft, 38 is a pipe body, 40 is a push/pull bar, 42 is an arm plate, 43
is a link plate, 44 is a grindstone, 45 is a cylinder, 46
is a piston rod, 48 is a rack part, 49 is a pinion, 50 is a roller, 57 is an air cylinder, 65
6 is a small-diameter elongated hole, and 66 is an intermediate blind hole.

Claims

[Scope of utility model registration request]

A rotary shaft coaxially rotatable is provided in the pipe body which is movable within the hole to be machined and held at a predetermined position within the hole, and a grindstone for grinding the inner peripheral surface of the hole is provided at the tip of the rotary shaft. In an in-hole grinding device, a rack is formed, and a plurality of rods that can reciprocate in the axial direction of the pipe body are provided in the circumferential direction of the outer circumference of the pipe body, and a pinion that engages with the rack of the rod is provided at the base end and the tip end is provided. An opening/closing arm equipped with a roller that contacts the inner peripheral surface of the hole is provided on the pipe body corresponding to each rod, and the push-pull rod is movable in the axial direction of the rotating shaft and whose tip protrudes from the tip of the rotating shaft. is provided in the rotating shaft, a plurality of arms each having a grindstone at the tip are rotatably provided at the tip of the push/pull rod, and each arm is connected to the rotating shaft by a link plate. Grinding equipment.