IP Library Granted Patent US 8,403,732
Granted Patent B2
US 8,403,732 · App. 12/483,713 · Granted Mar 26, 2013

Inclination angle adjusting device and workpiece attaching device

Inventors: Haruyuki Hirayama (Yao, JP); Hirohisa Yamada (Yao, JP); Yoshinori Nakanishi (Yao, JP); Tomohiro Okamoto (Yao, JP)
Assignee: Koyo Machine Industries Co., Ltd.
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Quick Facts
Patent No.
US 8,403,732
App. No.
12/483,713
Granted
Mar 26, 2013
Kind
B2
Abstract

To facilitate with high accuracy adjustment of a minute angle degree and also to sufficiently secure the rigidity of a whole device after the adjustment. Provided are a workpiece attaching body 24 having a workpiece attaching surface 4 and a rotating body 7 for rotatably supporting the workpiece attaching body 24 , the rotating body 7 has an inclination angle adjusting surface 8 inclined relative to an axis of the rotating body, and opposite to the workpiece attaching surface 4 , the workpiece attaching body 24 includes an inclination angle adjusting surface 9 which is inclined relative to the workpiece attaching surface 4 and which comes in surface contact with the inclination angle adjusting surface 8 of the rotating body 7 , the rotating body 7 is arranged therein with an inclination angle adjusting shaft 36 , protruding toward a side of the workpiece attaching body 24 substantially vertically to the inclination angle adjusting surfaces 8 and 9 , for relatively rotatably supporting the workpiece attaching body 24 , and coupling means 14 for coupling the rotating body 7 and the workpiece attaching body 24 in a manner to enable rotation adjustment about the inclination angle adjusting shaft 36 is provided, whereby the rotating body 7 and the workpiece attaching body 24 are relatively rotated about the inclination angle adjusting shaft 36 along the inclination angle adjusting surface 8 and 9 so as to adjust the inclination angle of the workpiece attaching surface 4.

Claims (50)

1. An inclination angle adjusting device, comprising:

a support;

a movable body coupled to the support; and

an adjustment target section opposite the support having an adjustable inclination angle, wherein

the support has an obliquely inclined inclination angle adjusting surface,

the movable body has an inclination angle adjusting surface that comes in surface contact with the inclination angle adjusting surface of the support and the adjustment target section not in parallel to the inclination angle adjusting surface of the support,

at one of the support and the movable body, an inclination angle adjusting shaft, protruding toward the other of the support and the movable body substantially vertical to the inclination angle adjusting surface, for relatively rotatably supporting the other is arranged, and

coupling means for coupling the support and the movable body in a manner to enable rotation adjustment about the inclination angle adjusting shaft is provided.

2. A workpiece attaching device, comprising:

a workpiece attaching body having a workpiece attaching surface;

a rotating body for rotatably supporting the workpiece attaching body, and

an inclination angle of the workpiece attaching surface being adjustable, wherein

the rotating body has an inclination angle adjusting surface inclined relative to an axis of the rotating body,

the workpiece attaching body has, opposite to the workpiece attaching surface, an inclination angle adjusting surface which is inclined relative to the workpiece attaching surface and which comes in surface contact with the inclination angle adjusting surface of the rotating body,

at one of the workpiece attaching body and the rotating body, an inclination angle adjusting shaft protruding toward the other of the workpiece attaching body and the rotating body substantially vertical to the inclination angle adjusting surface, for relatively rotatably supporting the other is arranged, and

coupling means for coupling the rotating body and the workpiece attaching body in a manner to enable rotation adjustment about the inclination angle adjusting shaft is provided.

3. The workpiece attaching device according to claim 2 , wherein

the workpiece attaching body is a rotating table having the workpiece attaching surface and the inclination angle adjusting surface of the workpiece attaching body.

4. The workpiece attaching device according to claim 2 , wherein

the workpiece attaching body includes a rotating table having the workpiece attaching surface and an inclination angle adjusting body relatively rotatably interposed between the rotating table and the rotating body,

the inclination angle adjusting surface of the workpiece attaching body is arranged in the inclination angle adjusting body,

on each surface of the inclination angle adjusting body and the rotating table facing each other, a surface-contact phase angle adjusting surface is arranged substantially parallel to the workpiece attaching surface, and

in one of the inclination angle adjusting body and the rotating table, a phase angle adjusting shaft is arranged which protrudes substantially vertically to the other of the inclination angle adjusting body and the rotating table relative to the phase angle adjusting surface so as to relatively rotatably support the other.

5. The workpiece attaching device according to any one of claims 2 to 4 , wherein

an angle degree formed between the rotating body and the inclination angle adjusting surface of the rotating body and an angle formed between the workpiece attaching surface of the workpiece attaching body and the inclination angle adjusting surface of the workpiece attaching body are substantially identical.

6. The workpiece attaching device according to claim 3 , further comprising:

a tubular fixed shaft for supporting the rotating body from an inner peripheral side via a bearing;

a protrusion shaft protruding inwardly to the fixed shaft on an axis of the rotating table; and

the coupling means is positioned between the protrusion shaft and the fixed shaft, wherein

the coupling means includes biasing means for biasing the rotating table in an axial direction to a side of the rotating body.

7. The workpiece attaching device according to any one of claims 2 to 4 , wherein

the coupling means comprises: a washer section which is interposed between the fixed shaft and the protrusion shaft and which is slidingly fitted around the protrusion shaft in an axial direction;

the biasing means, fitted around the protrusion shaft, for biasing the rotating table in an axial direction to a side of the rotating body; and

a thrust bearing interposed between the washer section and the biasing means.

8. The workpiece attaching device according to claim 3 , further comprising:

canceling means for canceling coupling between the rotating body and the workpiece attaching body by a fluid pressure;

regulating means for regulating rotation of the workpiece attaching body by being coupled with the workpiece attaching body in a releasably engaged manner; and

driving means for rotation-driving the rotating body.

9. The workpiece attaching device according to claim 4 , further comprising:

first canceling means for canceling coupling between the rotating body and the inclination angle adjusting body by a fluid pressure;

second canceling means for canceling coupling between the inclination angle adjusting body and the rotating table by a fluid pressure;

first regulating means for regulating rotation of the inclination angle adjusting body by being coupled with the inclination angle adjusting body in a releasably engaged manner;

second regulating means for regulating rotation of the rotating table by being coupled with the rotating table in a releasably engaged manner; and

driving means for rotation-driving the rotating body.

10. The workpiece attaching device according to claim 4 , wherein

the rotating body rotates about an axis substantially parallel to a grinding wheel shaft of a grinding wheel for surface grinding a workpiece attached on the workpiece attaching surface of the rotating table,

the inclination angle adjusting surfaces formed on each surface of the rotating body and the inclination angle adjusting body facing each other are inclined relative to the axis, and

the phase angle adjusting surfaces formed on each surface of the rotating table and the inclination angle adjusting body facing each other are substantially parallel to the workpiece attaching surface.

11. The workpiece attaching device according to any one of claims 2 to 4 , wherein

on the rotating body, the workpiece attaching body for covering the rotating body from above is arranged, and a seal for sealing a gap between the rotating body and the fixed shaft on a lower side of the bearing is arranged.

Assignments (2)
CHANGE OF NAME Recorded Mar 17, 2023
From: KOYO MACHINE INDUSTRIES CO., LTD.
To: JTEKT MACHINE SYSTEMS CORPORATION
Reel/Frame 063116/0520 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 19, 2009
From: HIRAYAMA, HARUYUKI; YAMADA, HIROHISA; NAKANISHI, YOSHINORI; OKAMOTO, TOMOHIRO
To: KOYO MACHINE INDUSTRIES CO., LTD.
Reel/Frame 022850/0457 →
Priority Claims (1)
JP 2008-173234 · Jul 2, 2008 · national
Continuity (1)
Related Publication 20100003908A1 · Jan 7, 2010