EYEGLASS LENS PROCESSING APPARATUS

• US 20130232774A1
• Filed: 03/07/2013
• Published: 09/12/2013
• Est. Priority Date: 03/09/2012
• Status: Active Grant

• Current Assignee: Nidek Company Limited
• Original Assignee: Nidek Company Limited
• Inventors: SHIBATA, Ryoji, TANAKA, Motoshi, OBAYASHI, Hirokatsu, NAKAKO, Yuya, MATSUMOTO, Toshiro
• Granted Patent: US 9,776,293 B2
• Time in Patent Office: Days
• US Class Current: 29/650
• CPC Class Codes: B23Q 1/488 followed perpendicularly by a single rotating pair
• CPC Class Codes: B23Q 1/64 characterised by the purpose of the movement indexing equipment B23Q16/02
• CPC Class Codes: B23Q 11/005 by blowing
• CPC Class Codes: B23Q 11/10 Arrangements for cooling or lubricating tools or work incorporated in tools, see the relevant subclass for the tool , e.g. B23B27/10, B23B51/06, B23C5/28, B23D77/006; for circular saw blades B23D59/02, for cooling grinding surfaces B24B55/02
• CPC Class Codes: B23Q 17/20 for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
• CPC Class Codes: B23Q 2039/006 Machines with multi-spindles
• CPC Class Codes: B23Q 39/027 consecutive working of toolheads
• CPC Class Codes: B24B 27/0069 with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means see also B24B27/0023, B24B7/16
• CPC Class Codes: B24B 27/0076 grinding machines comprising two or more grinding tools
• CPC Class Codes: B24B 41/005 Feeding or manipulating devices specially adapted to grinding machines feeding, loading or unloading work specially adapted to lapping machines B24B37/345
• CPC Class Codes: B24B 9/146 Accessories, e.g. lens mounting devices
• CPC Class Codes: B24B 9/148 electrically, e.g. numerically, controlled
• CPC Class Codes: B28D 1/143 lens-drilling machines
• CPC Class Codes: G05B 19/401 characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes G05B19/19 takes precedence
• CPC Class Codes: G05B 19/40938 Tool management
• CPC Class Codes: G05B 2219/45157 Grind optical lens
• CPC Class Codes: Y02P 90/02 Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
• CPC Class Codes: Y10T 29/511 Grinding attachment
• CPC Class Codes: Y10T 29/5127 Blank turret
• CPC Class Codes: Y10T 29/5128 Rotary work - vertical axis
• CPC Class Codes: Y10T 29/52 : Plural diverse manufacturing apparatus

Abstract

An eyeglass lens processing apparatus for processing a periphery of an eyeglass lens includes: a lens chuck shaft configured to chuck the eyeglass lens; a shaft angle changing portion configured to change a shaft angle of the lens chuck shaft; a first processing tool unit including at least one spindle at which a first processing tool is provided; a second processing tool unit that is disposed to oppose the first processing tool unit and that includes at least one spindle at which a second processing tool is provided; and a controller configured to change one of the first and second processing tool unit to be used for processing the eyeglass lens to the other of the first and second processing tool by controlling driving of the shaft angle changing portion to change the shaft angle of the lens chuck shaft.

Claims

1. An eyeglass lens processing apparatus for processing a periphery of an eyeglass lens, the eyeglass lens processing apparatus comprising:

a lens chuck shaft configured to chuck the eyeglass lens;

a shaft angle changing portion configured to change a shaft angle of the lens chuck shaft;

a first processing tool unit including at least one spindle at which a first processing tool is provided;

a second processing tool unit that is disposed to oppose the first processing tool unit and that includes at least one spindle at which a second processing tool is provided; and

a controller configured to change one of the first and second processing tool unit to be used for processing the eyeglass lens to the other of the first and second processing tool by controlling driving of the shaft angle changing portion to change the shaft angle of the lens chuck shaft.

2. The eyeglass lens processing apparatus according to claim 1, wherein the controller performs a predetermined processing process by adjusting a tilt angle of the lens chuck shaft with respect to the first processing tool unit and the second processing tool unit when processing the eyeglass lens by the use of the shaft angle changing unit.

3. The eyeglass lens processing apparatus according to claim 1, wherein the shaft angle changing unit includes a rotating base that supports the lens chuck shaft so as to change the shaft angle of the lens chuck shaft, and rotates the rotating base around a central axis of the rotating base perpendicular to the lens chuck shaft.

4. The eyeglass lens processing apparatus according to claim 1, wherein the spindles of the first and second processing tool units are symmetry with respect to an opposing axis.

5. The eyeglass lens processing apparatus according to claim 4, wherein

the spindles of the first and second processing tool units are opposed to each other across an opposing axis, and

the spindles of the first and second processing tool units are tilted about the opposing axis.

6. The eyeglass lens processing apparatus according to claim 1, wherein at least one of the first and second processing tool units includes a plurality of the spindles.

7. The eyeglass lens processing apparatus according to claim 1, wherein

at least one of the first and second processing tool units includes at least two spindles,

the at least two spindles of the at least one of the first and second processing tool units are arranged in a vertical direction of the eyeglass lens processing apparatus,

the spindle arranged at a lowest position among the at least two spindles of the at least one of the first and second processing tool units is provided with a processing tool for roughing.

8. The eyeglass lens processing apparatus according to claim 1, wherein

at least one of the first and second processing tool units includes at least two spindles,

the at least two spindles of the at least one of the first and second processing tool units are arranged in a vertical direction of the eyeglass lens processing apparatus,

the spindle arranged at a lowest position among the at least two spindles of the at least one of the first and second processing tool units is provided with a processing tool requiring a supply of water.