JP4360966B2 - Lens attachment jig automatic mounting device - Google Patents

Description

  The present invention performs image processing on the surface of a spectacle lens using an image sensor for various raw spectacle lenses ranging from a single lens to a special lens such as a progressive multifocal lens or a bifocal lens, and determines the presence of a figure. The present invention relates to a lens suction jig automatic mounting apparatus for automatically mounting a suction jig such as a suction cup according to the type of spectacle lens.

  Conventionally, a pick-up position that has a geometric relationship with the reference sign such as a hidden sign or small ball of a spectacle lens such as a progressive multifocal lens or a bifocal lens, or a graphic image of a reference sign such as a mark mark of an eyeglass lens. There is known an apparatus for mounting a suction jig such as a suction cup (Patent Documents 1 to 6).

  There is also known an apparatus for capturing a graphic image of a spectacle lens and binarizing an image signal to detect a concealed mark or the like imprinted or printed on the spectacle lens surface or the like, or irregularities or scratches on the spectacle lens surface ( Patent Documents 1-3, 5-7).

In Patent Document 3, a mechanism for attaching a suction jig (suction cup) to a spectacle lens is provided.
JP 2002-296144 A JP 2000-19058 A Utility Model Registration No. 3077054 DE3829488A1 publication JP 2002-139713 A JP 2002-1638 A EP856728A2 publication EP1057589A1 publication

  By the way, it is desirable that the mechanism for attaching the suction jig (suction cup) to the spectacle lens has a simple configuration and can reliably repeat the operation of adsorbing the suction jig to the spectacle lens.

  Therefore, an object of the present invention is to provide a lens suction jig automatic mounting device that has a simple configuration and can reliably repeat the operation of suctioning the suction jig to the spectacle lens.

  In order to solve the above-described problem, an automatic attachment device for a lens suction jig according to a first aspect of the present invention includes a suction jig holding means for holding a lens suction jig, a suction jig holding position and a lens. A lens suction mechanism that moves forward and backward between the suction position, a detection means that detects that the lens suction jig held by the suction jig holding means is attached to the surface of the spectacle lens at the lens suction position, and In an automatic attachment device for a lens suction jig having a return means for detecting the attachment of the spectacle lens by a detection means and controlling the operation of the lens suction mechanism to return the suction jig holding means to the suction jig holding position. The return means notifies the detection means that the suction jig holding means has been transported to the lens suction position even when the suction jig holding means is not held by the suction jig holding means. Ri when detecting, characterized in that it is set the suction jig holding means operation control to the lens chuck mechanism from the lens suction position so as to return to the lens holding position.

  According to a first aspect of the present invention, there is provided a lens suction jig automatic mounting device that is pressed by a cylindrical body that holds a mounting shaft portion of the lens suction jig and the mounting shaft portion that is fitted and held in the cylindrical body. And a slidable member that slidably slides and a biasing means that biases the slide member toward the mounting shaft portion. In addition, the lens attachment jig automatic attachment device moves the slide member toward the attachment shaft portion at a position where the slide member is slid by a predetermined amount by the attachment shaft portion fitted to the cylindrical body. Push-push type movement preventing means for releasing the restriction of movement of the slide member toward the mounting shaft when restricted and further pressed is provided. Further, the lens attachment jig automatic attachment device detects the holding of the attachment shaft portion on the cylindrical body at a position where the movement preventing means restricts the movement of the slide member to the attachment shaft portion side, and detects the detection signal. A holding detection sensor for outputting the lens, a mounting means for moving the cylindrical body toward the spectacle lens side of the lens holder and mounting the lens suction jig on the surface of the spectacle lens, and when receiving the detection signal An arithmetic control circuit is provided for operating the mounting means to mount the lens suction jig on the surface of the spectacle lens. In addition, the lens suction jig automatic attachment device detects that the cylindrical body is pressed by the mounting means directly or indirectly through the lens suction jig and outputs a pressure detection signal. Pressure detecting means is provided. The arithmetic control circuit receives the pressure detection signal and controls the mounting means in a direction in which the cylindrical body is separated from the spectacle lens.

  According to this configuration, the configuration is simple, and the operation of attracting the suction jig to the spectacle lens can be reliably repeated.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[Constitution]
The external appearance of the lens adsorption jig mounting apparatus 1 for automatically attaching a lens adsorption jig to a spectacle lens is shown.

  1 has a frame 2 as shown in FIG. 3 and an outer case (apparatus main body) 3 that covers the frame 2.

  The frame 2 includes a bottom plate 4, side plates 5 and 5 that are integrally provided at the center in the front-rear direction of the left and right side edges of the bottom plate 4, and a rear wall 6 that is integrally provided at the rear edge of the bottom plate 4. 4 a is a base plate fixed on the bottom plate 4.

  In addition, a bracket 7 is provided above the bottom plate 4 so as to protrude forward. As shown in FIG. 4, the bracket 7 is provided in a continuous manner between the triangular side plate portions 8 and 8 whose rear edge portions are attached to the side plates 5 and 5 and the front edge portions of the side plate portions 8 and 8. It has a plate part 9. The continuous plate portion 9 is inclined so as to go backward as it goes to the upper end.

An operation panel 10 and a liquid crystal display (display device, display means) 11 are attached to the continuous plate portion 9.
<Operation panel 10>
As illustrated in FIG. 1A, the operation panel 10 includes an operation panel unit 10 a disposed on the right side of the liquid crystal display 11 and an operation panel unit 10 b disposed on the lower side of the liquid crystal display 11.
(Operation panel unit 10a)
The operation panel 10a includes a “stop” switch 12 for stopping the measurement, an “input switching / menu” switch 13 for switching the layout data input method, and a “memory” switch for calling the frame data stored in the memory. 14, a “data request” switch 15 for requesting frame data, an “− +” switch 16 for input setting, and a “▽” switch 17 for moving a cursor.

  The menu screen can be displayed by holding down the “input switch / menu” switch 13 for a predetermined time (several seconds, for example, 2 seconds) or longer.

  The “input switch / menu” switch 13 waits for a block instruction (adsorption instruction) and is used to instruct confirmation after manual positioning or position setting when pressed in a stopped state after measurement. It can be done.

  When the “memory” switch 14 is pressed in the hidden mark observation mode, the screen of the liquid crystal display 11 is switched to the hidden mark storage screen.

  The “data request” switch 15 is used to request transfer of target lens shape data (θi, ρi) from a frame shape measuring device (not shown) connected to the lens suction jig mounting device 1.

  The “− +” switch 16 is used to increase / decrease the numerical data of the portion displayed on the liquid crystal display 11 and whose display color is highlighted by the “▽” switch 17. The “− +” switch 16 is also used to switch the display magnification of the liquid crystal display 11 during manual alignment.

The “▽” switch 17 is used to move the cursor of the data input unit displayed on the liquid crystal display 11. The cursor here refers to a portion of a plurality of data input frames (data input portions) displayed on the liquid crystal display 11, and one of the display colors is inverted or changed to another color, so that the data input can be performed. A state that is possible.
(Operation panel unit 10b)
The operation panel 10b is provided with function keys F1 to F6 arranged along the lower edge of the liquid crystal display 11. Further, the operation panel unit 10b is provided with a “left” switch 18L and a “right” switch 18R for specifying the processing for the right eye and the left eye of the spectacle lens and switching the display.
<Function keys F1 to F6>
The function keys F1 to F6 are used at the time of setting related to the processing of the eyeglass lens ML, and are used for responding to and selecting messages displayed on the liquid crystal display 11 in the processing process.

At the time of setting related to processing (layout screen), the function key F1 is used for lens type input (store area) and progressive lens manufacturer specification, the function key F2 is used for lens material input, and the function key F3 is The function key F4 is used for inputting a chamfering type, the function key F5 is used for inputting a mirror finish, and the function key F6 is used for selecting a course (mode).
・ Function key F1
As shown in FIG. 1B, the lens type input by the function key F1 includes “single focus”, “marking point”, “progressive”, “bifocal”, “hidden mark”, “automatic determination”, and the like. is there. In addition, there are manufacturers M1, M2, M3,... As the progressive lens manufacturers input with the function key F1.
・ Function key F2
As the lens material input by the function key F2, as shown in FIG. 1B, there are “plastic”, “high plastic”, “glass”, “acrylic”, “light control glass”, and the like. Here, “Pura” means plastic.
・ Function key F3
As shown in FIG. 1B, the type of the spectacle frame F input with the function key F3 is “metal”, “cell”, “optil”, “flat”, “groove (thin)”, “groove”. Digging (medium) "," groove digging (thick) ", etc.

“Point: front bracket”, “point: rear bracket”, “point: composite bracket”, etc. can also be included.
・ Function key F4
As shown in Fig. 1B, the types of chamfering entered with function key F4 are "None", "Small (front / rear)", "Medium (front / rear)", "Large (front / rear)", "Special (front / rear)" ”,“ Small (after) ”,“ Middle (after) ”,“ Large (after) ”,“ Special (after) ”, etc.
・ Function key F5
As the mirror finishing input with the function key F5, as shown in FIG. 1B, there are “none”, “present”, “mirror chamfer”, and the like.
・ Function key F6
The machining course input by the function key F6 includes “auto”, “trial”, “monitor”, “frame change”, “internal trace” and the like as shown in FIG. 1B.
<Layout screen>
Further, as the layout screen, for example, a “layout / suction” mode for displaying a layout screen for sucking a lens suction jig onto a spectacle lens as shown in FIG. 1C, or lens shape information (θi, ρi) There is a “layout” mode that shows the state when the lens suction jig is attracted to the spectacle lens hidden in the.

  When the “layout” tab TB1 is selected, the message is displayed in a state divided into a message display area E1, a numerical value display area E2, and a state display area E3.

  Moreover, the outer case 3 has the front wall 19 as shown in FIG.1 and FIG.3. An inclined wall portion 19a inclined rearward is formed on the upper portion of the front wall 19, and a liquid crystal opening 20 is formed in the inclined wall portion 19a. The liquid crystal display 11 and the operation panel 10 are disposed in the liquid crystal opening 20 as shown in FIG. Furthermore, a table protrusion / disengagement opening 21 is formed in the lower part of the front wall 19, and a suction disk mounting opening 22 is formed in a portion of the front wall 19 from the right of the middle part in the vertical direction.

Further, as shown in FIG. 2A, the entire detection optical system 100, the hidden mark detection optical system 200, and the CL measurement device 300 for measuring refraction characteristics are disposed in the frame 2.
<Whole detection optical system 100>
The entire detection optical system 100 includes an illumination optical system 101 and an entire observation optical system 102.

  The illumination optical system 101 includes optical members such as a light source 103 such as an infrared light emitting LED, a pinhole plate 104, a collimator lens 105, and a rotary reflection plate 106 in this order. The rotary reflector 106 is attached to a rotary shaft 107 a of a drive motor 107 and is driven to rotate by the drive motor 107.

  In the drive motor 107, the axis O1 of the rotation shaft 107a is inclined with respect to the optical axis O2 of the illumination optical system 101. As a result, the rotary reflector 106 is slightly inclined by a predetermined angle α with respect to the axis O1 oriented in the vertical direction. The predetermined angle α is several degrees (for example, 2 ° to 4 °).

  Further, as shown in FIG. 2B, the rotary reflecting plate 106 includes a rotating disc 106a made of a metal plate or a resin plate, and a reflecting sheet 106b attached to the upper surface of the rotating disc 106a. In this reflection sheet 106b, a large number of very small corner cubes 108 are vertically and horizontally arranged on the entire surface and are integrally formed of resin.

  With such a configuration, the incident light beam 109 incident on the corner cube 108 becomes an output light beam 110 that is reflected from the corner cube 108 and then exits from the corner cube 108 and returns along the incident light beam 109.

  However, since the reflected light beam 111 reflected from the surface of the reflection sheet 106b is reflected at a certain angle with respect to the incident light beam 109, the reflected light beam 111 does not return along the incident light beam 109 like the emitted light beam 110. There is no negative impact on detection.

The overall observation optical system 102 includes optical members such as a collimator lens 105, a half mirror 112, a diaphragm plate 113, an imaging lens 114, and a CCD (two-dimensional light receiving element, area sensor) 115 in this order.
<Hidden mark detection optical system 200>
The hidden mark detection optical system 200 includes the illumination optical system 101 and the hidden mark observation optical system 201 described above.

  The hidden mark observation optical system 201 includes optical members such as a collimator lens 105, a half mirror 202, a diaphragm plate 203, an imaging lens 204, and a CCD (two-dimensional light receiving element, area sensor) 205 in this order.

Of the entire detection optical system 100 and the hidden mark detection optical system 200, the optical members other than the rotating reflector 107 are accommodated in the optical member accommodation case 23 shown in FIG. The optical member storage case 23 is fixed to the frame 2 with a bracket (not shown).
(Other arrangement examples of the entire observation optical system)
The overall observation optical system 102 can also be configured as shown in FIG. 2A. That is, the half mirror 112 of FIG. 2 is disposed between the half mirror 202 and the diaphragm plate 203, the reflected light beam reflected by the half mirror 202 is reflected by the half mirror 112, and this reflected light beam is reflected by the diaphragm plates 113, It may be guided to a CCD (two-dimensional light receiving element, area sensor) 115 via the imaging lens 114.
<CL measuring device 300>
The CL measuring apparatus 300 is positioned on the back side (rear wall 6 side) of the frame 2 and is fixed on the base plate 4a, and has a bracket 301 as shown in FIG. The bracket 301 has an upper casing 302 and a lower casing 303. The upper casing 302 is provided with the measurement light beam projection system 304 shown in FIG. 2, and the lower casing 303 has the configuration shown in FIG. A light receiving optical system 305 is provided. A conical cylindrical lens receiver 306 is fixed on the lower housing 303.

The measurement light beam projection optical system 304 includes optical members such as a light source 307, a pinhole 308, a reflection mirror 309, and a collimator lens 310 in this order. The light receiving optical system 305 includes optical members such as a pattern plate 311, an imaging lens 312, and a CCD (two-dimensional light receiving element, area sensor) 313 in this order.
<Lid mounting structure>
An L-shaped bracket 24 is fixed on the front end portion (end portion on the front wall 19 side) of the base plate 4a as shown in FIGS. An opening 25 is formed in the upright plate portion 24a of the bracket 24, and flanges 24b and 24b are integrally formed in the side portion of the upright plate portion 24a.

  The opening 25 is closed with a lid 26. A hinge bracket 27 shown in FIGS. 9 and 10 is fixed to one lower end portion of the inner surface of the lid 26. As shown in FIG. 10, the bracket 27 includes a curved portion 27a that curves in a circular arc toward the rear and lower side, a straight plate portion 27b that linearly extends from the rear or end of the curved portion 27a toward the lid 26, and a straight plate. It has a stopper plate part 27c that is continuously provided downward at a right angle (perpendicular) to the part 27b.

  On the other hand, in the vicinity of both side portions of the inner surface of the upright plate portion 24a, bearing members 28, 28 positioned below the opening 25 are integrally provided as shown in FIG.

  In the bracket 24, a corner portion 27 d between the straight plate portion 27 b and the stopper plate portion 27 c is rotatably held by the bearing members 28 and 28 via the support shaft 29. Further, the bracket 27 is urged to rotate counterclockwise in FIG. 10 by a twisted coil spring 30 wound around the support shaft 29 and interposed between the bracket 27 and the upright plate portion 24a.

As a result, the lid 26 contacts the front surface of the upright plate portion 24a to close the opening 25. In this state, the lid 26 closes the table retracting opening 21 of the outer case 3.
<Lens clamp release arm>
Further, on one side of the base plate 4a, an arm 31 used for releasing the lens clamping is fixed in the vicinity of the lid 26 as shown in FIG. As shown in FIGS. 6 and 9, the arm 31 includes a standing portion 31a, a horizontal portion 31b extending from the upper end of the standing portion 31a along the lid 26, and a plate portion extending from the tip of the horizontal portion 31b to the lid 26 side. 31c and the latching claw part 31d extended below from the front-end | tip of the board part 31c.
<Lens holding means moving mechanism>
A lens holding means moving mechanism 32 is disposed on the base plate 4a. The lens holding means moving mechanism 32 includes a lateral guide rail (X-direction guide rail) 33 positioned near the rear end of the base plate 4a and the arm 31, as shown in FIGS. A lateral movement member (X direction movement member) 34 disposed on the lateral guide rail 33 and a bearing 35 that supports the lateral movement member 34 on the lateral guide rail 33 so as to be movable in the lateral direction (X direction). Have. Further, the drive motor 107 described above is attached to the lateral movement member 34.

Further, as shown in FIG. 12, the lens holding means moving mechanism 32 is fixed to the front and rear guide rails 36 fixed on both sides of the lateral movement member 34 in the front-rear direction (direction perpendicular to the paper surface of FIG. 12, Y direction). If, before and after the moving member (anteroposterior moving stage, Y-direction moving member) of this is disposed on the front and rear guide rails 36 plate 37, instructs movably back and forth longitudinal movement member 37 in the longitudinal guide rail 36 A bearing 38 is provided. The drive motor 107 described above is attached to the laterally moving member 34.

  Further, as shown in FIG. 8, a nut member 39 is fixed to the lateral movement member 34, and a lateral feed screw (X feed screw) 40 whose axis is directed in the lateral direction is screwed to the nut member 39. The lateral feed screw 40 is rotationally driven by a pulse motor (X drive motor) 41 fixed on the base plate 4a. A circular light transmission hole 42 is formed in the front-rear moving member 37 so as to face the rotary reflecting plate 106 attached to the drive motor 107.

Further, as shown in FIG. 10, a nut member 43 is fixed to the front / rear moving member 37 via a bracket 37a and a fixing screw 37b, and the nut member 43 has a front / rear feed screw (Y feed screw) whose axis is directed in the front / rear direction. 44) is screwed. The front / rear feed screw 44 is rotationally driven by a pulse motor (Y drive motor) 45 fixed on the lateral movement member 34.
<Lens holding means>
A lens holder (lens holding means) 46 is disposed on the light transmission hole 42 of the front-rear moving member 37 as shown in FIGS.

  The lens holder 46 has a ring-shaped gear 47 provided with a support flange 47a at the lower part of the inner peripheral surface as shown in FIG. The ring-shaped gear 47 has a gear portion 47b and an annular groove 47c extending in the circumferential direction on the peripheral surface. The annular groove 47c is engaged with a plurality of rollers 37R that are rotatably mounted on the longitudinally moving member 37 as shown in FIG. The plurality of rollers 37 </ b> R are disposed along the light transmission hole 42, and hold the ring-shaped gear 47 on the front and rear moving member 37 so as to be rotatable.

  The lens holder 46 is fitted in the ring-shaped gear 47 and is detachably supported on the support flange 47a. The lens holder 46 is spaced from the transparent disc 48 at a 120 ° interval. And has an axial lens receiver 49 projecting therefrom. The transparent disk 48 may be glass or plastic.

  Further, on the ring-shaped gear 47, as shown in FIG. 13A, six small gears 50 arranged at equal pitches (60 ° intervals) in the circumferential direction are rotatably mounted. A timing belt 51 is stretched around the gear 50. In addition, a tension roller 52 rotatably attached to the ring gear 47 is brought into contact with the outer peripheral surface of the timing belt 51.

  Furthermore, one end portion (base end portion) of each arm 53 is fixed to every other small gear 50, and a lens holding shaft (lens holding member) extending vertically on the other end portion (tip end portion) of each arm 53. ) 54 is attached.

  Moreover, a spring receiving pin 55 is attached on the ring-shaped gear 47 so as to be close to one end of the arm 53, and a coil spring 56 is interposed between the spring receiving pin 55 and one end of the arm 53. Yes. The coil spring 56 urges the arm 53 so that the tip of the arm 53 rotates toward the center of the ring gear 47.

  One end portions of the small gear 50 and the arm 53 having such a configuration are covered with a cover ring 57 as shown in FIGS. The cover ring 57 is fixed to the ring-shaped gear 47 with screws 58. Further, engagement notches 59 for engaging the lens holding shaft 54 are formed on the inner peripheral surface of the cover ring 57 at intervals of 120 ° in the circumferential direction. Further, a cutout 60 is formed on the outer peripheral surface of the cover ring 57.

  In addition, an engagement protrusion 53 a that protrudes upward from the notch 60 is formed at one end of each of the three arms 53.

  Further, a mounting angle setting motor 61 composed of a pulse motor or the like is fixed to the longitudinal movement member 37, and a gear 62 is mounted on an output shaft 61 a of the mounting angle setting motor 61. The gear 62 is engaged with the gear portion 47 b of the ring-shaped gear 47. Therefore, the ring-shaped gear 47 is rotated by rotationally driving the gear 62 by the mounting angle setting motor 61.

Moreover, the front / rear moving member 37 is covered with the stage cover SC except for the lens holder 46.
<Frame changing lens holder>
Further, instead of the lens-supporting transparent disc 48 having the shaft-shaped lens receiver 49, the frame replacement lens holder 63 shown in FIG. 14 may be detachably mounted in the ring-shaped gear 47 as shown in FIG. it can.

  The frame replacement lens holder 63 has a ring-shaped frame 64 having the same outer diameter as that of the transparent disk 48, a transparent disk 64 a fixed in the ring-shaped frame 64, and an equal pitch on the ring-shaped frame 64 ( Three (several) support shafts 65 projecting at intervals of 120 °, a lens holding arm (lens holding member) 66 having one end portion (base end portion) rotatably attached to the support shaft 65, and A coil spring 67 is provided that urges the other end (tip) of the lens holding arm 66 to rotate toward the center of the ring-shaped frame 64. The lens holding arm 66 is formed in a tapered shape toward the tip.

Such a ring-shaped frame 64 is formed thicker than the above-described transparent disk 64a, and the lens holding shaft 54 of the above-mentioned arm 53 is compared with the ring-shaped gear 47 as shown in FIG. The ring-shaped gear 47 is detachably fitted. As a result, the lens holding shaft 54 hits the outer peripheral surface of the ring-shaped frame 64 and does not move into the ring-shaped frame 64. Also at this time, the ring-shaped frame 64 is supported on the support flange 47a of the ring-shaped gear 47 of FIG.

Reference numeral 64 b denotes a through hole (small hole) provided in the ring-shaped frame 64 for frame replacement, and is used for detection of the frame replacement lens holder 63.
<Lens adsorption mechanism>
As shown in FIGS. 5 and 6, a lens suction mechanism 68 is attached to the side plate 5 of the frame 2.

  The lens suction mechanism 68 has a bracket 69 as shown in FIGS. 5, 16, 18, and 19. As shown in FIGS. 16, 18 and 19, the bracket 69 is connected to an upper support plate portion 69a, a lower support plate portion 69b, and a vertical plate portion 69c connecting the support plate portions 69a and 69b. It is formed in a letter shape. Further, mounting pieces 69d and 69d are provided integrally and at right angles on the upper and lower portions of one side of the vertical plate portion 69c. By attaching the attachment pieces 69d, 69d to the side plate 5 provided on the frame 2 in FIGS. 5 and 6 with screws (not shown), the bracket 69 is attached with the vertical plate portion 69c being perpendicular to the side plate 5.

  The lens suction mechanism 68 is fixed to the lower portion of the front surface of the vertical plate portion 69c toward the front side, and the upper and lower ends of the support plate portions 69a and 69b are fixed by fixing means such as screws (not shown). As shown in FIG. 17, a cam cylinder 71 and a female screw cylinder 72 are fitted in the cam cylinder 71 so as to be rotatable and movable up and down (movable up and down). The lower end portion of the female screw cylinder 72 penetrates the lower support plate portion 69b and protrudes downward.

  Further, the cam cylinder 71 is formed with a cam slit (guide slit) 73 extending vertically as shown in FIGS. 5, 16, and 17. The cam slit 73 includes an upper vertical slit portion 73a shown in FIG. 17, a helical slit portion 73b formed in a spiral shape from the lower end of the upper vertical slit portion 73a downward by 90 °, and the helical slit. The lower vertical slit portion 73c is formed to be linearly long from the lower end of the portion 73b to the lower portion of the cam cylinder 71.

  A guide roller 74 is rotatably held in the vicinity of the upper end portion of the outer peripheral surface of the female screw cylinder, and the guide roller 74 is disposed in the cam slit 73 as shown in FIG.

  Further, a male screw shaft (screw shaft) 75 extending through the upper support plate portion 69a to the lower support plate portion 69b side is rotatably attached to the female screw cylinder 72. The male screw shaft 75 is held on the upper support plate 69a so as to be rotatable and immovable in the axial direction (vertical direction).

  A pulley 76 is fixed to the upper end portion of the male screw shaft 75. A drive motor 77 is attached to the lower surface of the upper support plate portion 69a. An output shaft 77a of the drive motor 77 protrudes upward through the upper support plate portion 69a, and a pulley 78 is fixed to the output shaft 77a. In addition, a timing belt 79 is stretched around the pulleys 76 and 78.

Further, a horizontally extending movable arm 80 is fixed to the lower end portion of the male screw cylinder 72 . The movable arm 80 faces the front when the guide roller 74 is in the upper vertical slit portion 74 a of the cam slit 73, and when the guide roller 74 is in the lower vertical slit portion 74 c of the cam slit 73. It is oriented in the horizontal direction (X direction) and to the left in FIG.

  As shown in FIGS. 16, 18, and 19, a movable bracket (movable member) 82 rotates at a distal end portion of the movable arm 80 via a support shaft 81 that extends vertically and horizontally to the extending direction of the movable arm 80. It is held freely. Between the movable bracket 82 and the movable arm 80, a torsion coil spring 83 wound around a support shaft 81 is interposed as shown in FIGS. The torsion coil spring 83 urges the movable bracket 82 to be folded in a direction in which the movable bracket 82 is folded to the lower surface side of the distal end portion of the movable arm 80 as shown in FIG.

A roller 84 is rotatably held on the side surface of the base end portion of the movable bracket 82. The roller 84 abuts against a horizontal plate portion (stopper plate portion) 70 a provided at the lower end of the fixed arm 70 when the movable arm 80 is raised with the front side facing, and twists the movable bracket 82 to a coil spring. It is made to rotate to a vertical state as shown in FIG.
(Suction jig holding means)
Further, a suction jig holding means 85 is attached to the movable bracket 82.

  22A and 23, the suction jig holding means 85 includes a holder main body 86 in which the cylindrical portion 86a is inserted into the through hole 82a of the bracket 82 and a flange 86b of the holder main body 86. Screws 87, 87 fixed to the opposing pieces 82b, 82b. The holder main body 86 is provided with a cylindrical portion 86a protruding from the through hole 82a, and an outer cylinder 88 is fitted to the outer periphery of the cylindrical portion 86a so as to be movable in the longitudinal direction.

  The outer cylinder 88 is formed with slits 88a as shown in FIGS. 22B and 22C at an interval of 180 °. One end of each slit 88a is held by the holder body 86. Bent portions 89a and 89a at the other end of the linear springs 89 and 89 are provided. The bent portion 89a is provided with a linear portion 89b in which a part of the peripheral surface is projected from the slit 88a into the outer cylinder 88 as shown in FIGS. 22 (b) and 22 (c).

Further, as shown in FIG. 21, guide support shafts 90 a and 90 a that pass through the flange 86 b of the holder main body 86 are attached to the outer cylinder 88. Coil springs 90 and 90 wound around guide support shafts 90a and 90a are interposed between the holder main body 86 and the outer cylinder 88, respectively. The spring is biased. A spring support shaft 91 having one end fixed to the end wall 86c of the cylinder portion 86a is disposed concentrically within the cylinder portion 86a of the holder body 86.
(Suction jig holding release mechanism)
Also, a bottomed cylindrical slide cylinder 92 that is a part of the suction jig holding and releasing mechanism is fitted into the cylinder portion 86a so as to be movable in the axial direction, and a spring support shaft 91 is provided in the slide cylinder 92. It is inserted with play. One end of the coil spring 93 is inserted and frictionally held in the slide cylinder 92. A spring support shaft 91 is inserted into the coil spring 93, and the other end of the coil spring 93 is held by an interference fit on the end of the spring support shaft 91 on the end wall 86c side.

  Further, as shown in FIGS. 22A (a) and 22 (b), the cylindrical portion 86a of the holder body 86 is formed with notch guides 86d and 86d extending in a slit shape opened at the lower end with an interval of 180 °. Yes. Further, as shown in FIGS. 22B and 22A (c), the outer cylinder 88 is formed with a slit-shaped notch guide 88b that opens to the upper end.

The notch guides 86d and 88b are made to coincide with each other as shown in FIG. 22 and FIG. 22A (d). And the guide shaft 94 attached to the outer peripheral surface of the slide cylinder 92 as shown in FIGS. 21 and 22A is inserted into the notch guides 86d and 88b. Further, as shown in FIG. 24, a positioning pin 95 projects from the end wall 86c of the slide cylinder 92. A tapered recess 88 c is formed at the outer end of the outer cylinder 88.

  24 and 30, a hook support shaft 96 is screwed and fixed to the flange 86b of the holder body 86, and a spring receiving screw 97 is screwed adjacent to the hook support shaft 96. ing. Reference numeral 96 a denotes a flange of the hook support shaft 96.

The hook support shaft 96 is inserted into the shaft insertion hole 98a of the plate-like hook-shaped locking hook 98 as shown in FIG. 3 with play, and supports the locking hook 98 on the flange 86b. A spring locking projection 98b is formed on one side of the locking hook 98, and a slit 98c is formed in the spring locking projection 98b .

  Then, both end portions of the coil spring 99 fitted to the outer periphery of the hook support shaft 96 are locked in the spring receiving screw 97 and the slit 98c. The coil spring 99 urges the locking hook 98 to rotate counterclockwise in FIG. 24, and is interposed between the flanges 86b and 96a to press the locking hook 98 against the flange 86b with a light force. Yes.

  The locking hook 98 is formed with a locking notch 98d as shown in FIGS. 24 to 26, and is positioned at the edge of the locking notch 98d opposite to the rotational biasing direction. An inclined guide piece 98e is formed. A small-diameter shaft portion 94a at the tip of the guide shaft 94 attached to the outer peripheral surface of the slide cylinder 92 is inserted into the locking notch 98d. The locking notch 98d is opened obliquely upward to the right as shown in FIGS. 24 and 25, and extends in a hook shape upward from the left or the end.

In FIG. 1, 120 is a lens suction jig. As shown in FIG. 21, the lens suction jig 120 includes a mounting shaft portion 121 and a cup portion 122 made of an elastic member such as rubber or soft synthetic resin provided integrally with the mounting shaft portion 121. A positioning groove 123 is formed in the mounting shaft 121 so as to open to the end surface and the peripheral surface. The mounting shaft 121 is fitted into the outer cylinder 88.
<Suction jig detection device>
Also, as shown in FIG. 20, one end of the sensor bracket 161 is interposed between the holder main body 86 and one of the opposing pieces 82b, 82b of the bracket 82. The sensor bracket 161 is fixed to the holder main body 86 with screws 87.

  As shown in FIGS. 16, 20, and 21C, the holder main body 86 is attached with a suction jig detection device 160 that detects whether or not the lens suction jig 120 is attached.

The suction jig detection device 160 includes a photo sensor (photo switch) 162 attached to a sensor bracket 161 . The photosensor 162 has a U-shaped sensor body 163, and the sensor body 163 has facing portions 163a and 163b as shown in FIGS. 21, 21A, and 21B. The opposing portions 163a and 163b are provided with a light emitting element 164 and a light receiving element 165, respectively, facing each other as shown in FIG. 21B.

  Further, the suction jig detection device 160 is fixed to the outer cylinder 88 as described above, and guide support shafts 90a and 90a passing through the flange 86b of the holder main body 86, and the outer ends of the guide support shafts 90a and 90a. A connecting plate 166 having both ends fixed, a light shielding plate 168 formed by bending a part of the connecting plate 166, and a mounting shaft fixed to the slide cylinder 92 and penetrating the end wall 86c of the holder body 86 92a and a light shielding plate 169 attached to the outer end of the attachment shaft 92a.

  The light shielding plate 168 is disposed between the light emitting element 164 and the light receiving element 165 when the outer cylinder 88 is pressed and displaced toward the flange 86b of the holder body 86 against the spring force of the coil spring 90. The light emitted from the light emitting element 164 can be cut off.

Further, the light shielding plate 169 is formed with a notch 169a as shown in FIGS. 21A to 21C. The light shielding plate 169 is disposed between the light emitting element 164 and the light receiving element 165 when the attachment shaft portion 121 of the lens suction jig 120 is not inserted into the outer cylinder 88. The emitted light is blocked so that it does not reach the light receiving element 165. Further, in a state where the mounting shaft portion 121 of the lens suction jig 120 is pushed into the outer cylinder 88 to a position where it is held by the linear portions 89b and 89b of the linear springs 89 and 89, the notch 169a of the light shielding plate 169 emits light. Arranged between the element 164 and the light receiving element 165, the light emitted from the light emitting element 164 reaches the light receiving element 165.
<Control circuit>
The liquid crystal display 11 described above is controlled by an arithmetic control circuit 130 shown in FIG.

  The arithmetic control circuit 130 includes a pulse motor (lateral movement motor, X drive motor) 41, a pulse motor (front / rear movement motor, Y drive motor) 45, a mounting angle setting motor 61, a light source 103, a drive motor 107, and a light emitting element. 164 and the light source 307 are controlled to operate.

Further, a switch operation signal from the operation panel 10 , an image signal (measurement signal) from the CCDs 115, 205, and 313 and a detection signal from the light receiving element 165 are input to the arithmetic control circuit 130.
[Action]
Next, the operation of the lens suction device having such a configuration will be described.
(1) Attaching the Lens Suction Jig 120 to the Lens Suction Mechanism 68 When the mounting shaft 121 of the lens suction jig 120 is not inserted into the outer cylinder 88, the light shielding plate 169 has a light emitting element 164 and a light receiving element 165. Between the two. At this position, light emitted from the light emitting element 164 is blocked by the light shielding plate 169 and does not reach the light receiving element 165. In this state, since no detection signal is input from the light receiving element 165 to the arithmetic control circuit 130, the arithmetic control circuit 130 indicates that the mounting shaft 121 of the lens suction jig 120 is not fitted into the outer cylinder 88. to decide.

  Incidentally, FIG. 1 shows a state before detection of a hidden mark of a spectacle lens and measurement of refraction of the spectacle lens. In this state, as shown in FIG. 17, the guide roller 74 of the lens suction mechanism 68 is located in the upper end portion of the upper vertical slit portion 73a of the cam slit 73 provided in the cam tube 71, and the female screw tube 72 is raised most. In the position.

At this position, the movable arm 80 attached to the lower end of the female screw cylinder 72 is positioned at the highest position as shown in FIGS. 5 and 16, and the roller 84 of the movable bracket 82 is shown in FIG. Thus, the movable bracket 82 is brought into a state of being directed downward as shown in FIG. 16 against the spring force of the torsion coil spring 83 shown in FIG. .

In this state, the movable bracket 82 is in a state of facing the suction disk mounting opening 22 as shown in FIG.

Therefore, the operator inserts the mounting shaft portion 121 of the lens suction jig 120 into the outer cylinder 88 provided in the movable bracket 82 as shown in FIGS. 21 and 22 from the suction disk mounting opening 22. At this time, the positioning pin 95 is inserted into the positioning groove 123 provided in the mounting shaft portion 121.

  When the mounting shaft 121 is pushed in, the slide cylinder 92 is moved toward the end wall 86 c of the holder body 86 against the spring force of the coil spring 93 by the mounting shaft 121.

  Thereafter, when the mounting shaft 121 of the lens suction jig 120 is further pushed into the outer cylinder 88 so as to get over the linear portion 89b of the linear spring 89, the mounting shaft 121 pulls the linear portion 89b of the linear spring 89 into a line. The spring 89 is pushed into the slit 88 a of the outer cylinder 88 against the spring force of the bent portion 89 a of the cylindrical spring 89.

  In this state, the linear portion 89b is in pressure contact with the outer peripheral surface of the mounting shaft 121 as shown in FIG. 23 by the spring force of the bent portion 89a, and the mounting shaft 121 is held in the outer cylinder 88. Therefore, even if the outer cylinder 88 faces downward, the lens suction jig 120 does not fall downward.

  At this position, the slide cylinder 92 tries to move toward the opening end side of the outer cylinder 88 by the spring force of the coil spring 93, but the small-diameter shaft portion 94a of the guide shaft 94 is in the locking notch 98d of the locking hook 98. Since it is positioned and locked, the slide cylinder 92 cannot move to the opening end side of the outer cylinder 88.

As the slide cylinder 92 is pushed in, the attachment shaft 92a slides integrally with the slide cylinder 92, the tip of the attachment shaft 92a protrudes, and the attachment shaft portion 121 of the lens suction jig 120 is connected to the line. In a state where the springs 89 and 89 are pushed into the outer cylinder 88 to the positions where they are held by the straight portions 89b and 89b, the notch 169a of the light shielding plate 169 is disposed between the light emitting element 164 and the light receiving element 165. The light emitted from the light emitting element 164 reaches the light receiving element 165.

As a result, the light receiving element 165 outputs a detection signal and inputs it to the arithmetic control circuit 130. When the arithmetic control circuit 130 receives the detection signal from the light receiving element 165, the mounting shaft portion 121 of the lens suction jig 120 is inserted and fitted into the outer cylinder 88, and the mounting shaft portion 121 is connected to the linear spring 89. , 89 are held by the straight portions 89b, 89b.
(2) Holding the spectacle lens to the lens holder 46 (exposing the lens holder 46 to the outside of the outer case 3 and placing the lens)
Next, when the automatic discrimination in FIG. 1B is selected by operating the function key F1 on the operation panel 10, and either the “left” switch 18L or the “right” switch 18R in FIG. 1A is selected, the pulse motor 45 calculates. The operation is controlled by the control circuit 130, the forward / backward feed screw 44 is rotated forward, and the nut member 43 and the forward / backward moving member 37 are moved to the lid 26 side.

  Along with this movement, the stage cover SC covering the longitudinally moving member 37 abuts against the lid 26, and then twists the lid 26 against the spring force of the coil spring 30 in the clockwise direction in FIG. The lens holder 46 attached to the front / rear moving member 37 is exposed through the openings 25 and 21 and out of the outer case 3.

  At this time, the engaging projection 53a of the lens holder 46 is engaged with the engaging claw portion 31d of the arm 31, and the arm 53 integral with the engaging projection 53a is a spring force of the coil spring 56 in FIG. The lens holding shaft 54 of the arm 53 integral with the engagement protrusion 53a moves to the notch 60 side of the cover ring 57 in FIG.

Accordingly, the timing belt 51 in FIG. 13A is rotated in the clockwise direction, and the other two small gears 50 remaining from the timing belt 51 are also rotated in the clockwise direction. The arm 53 integrated with the two small gears 50 is rotated clockwise against the spring force of the coil spring 56, and the remaining two small gears 50 and the lens holding shaft 54 of the arm 53 are shown in FIG. The cover ring 57 moves to the notch 60 side.

With the three lens holding shafts 54 thus moved to the cover ring 57 side and opened, the spectacle lens ML is placed on the shaft-shaped lens receiver 49 of the lens holder 46 as shown in FIG. Place.
(Moving the lens holder 46 into the outer case 3 and holding the lens)
Thereafter, the arithmetic control circuit 130 controls the operation of the pulse motor 45 to reversely move the front / rear feed screw 44 and move the nut member 43 and the front / rear moving member 37 into the outer case 3.

  Accordingly, when the stage cover SC covering the longitudinally moving member 37 is separated from the lid 26, the lid 26 is swung counterclockwise in FIG. 10 about the support shaft 29 by the spring force of the twist coil spring 30. The openings 25 and 21 are closed by the lid 26.

  At this time, when the engaging projection 53 a of the lens holder 46 is separated from the locking claw portion 31 d of the arm 31, the arm 53 integrated with the engaging projection 53 a is caused by the spring force of the coil spring 56 in FIG. The lens holding shaft 54 of the arm 53 integrated with the engagement protrusion 53a moves to the center side of the cover ring 57 in FIG.

Accordingly, the timing belt 51 in FIG. 13A is rotated counterclockwise, and the remaining two small gears 50 are also rotated counterclockwise by the timing belt 51. The arm 53 integral with the two small gears 50 is rotated counterclockwise by the spring force of the coil spring 56, and the lens holding shaft 54 of the arm 53 integral with the remaining two small gears 50 is shown in FIG. It moves to the center side of the cover ring 57.

In this way, the three lens holding shafts 54 are moved to the center side of the cover ring 57 and come into contact with the peripheral surface of the spectacle lens ML placed on the shaft-shaped lens receiver 49 of the lens holder 46, thereby The lens ML is clamped (held) by three lens holding shafts 54 as shown in FIG.
(3) Confirmation of Presence / absence of the Eyeglass Lens ML In this way, the arithmetic control circuit 130 moves the lens holder 46 and the rotating reflector 106 in a state where the eyeglass lens ML is held (held) by the three lens holding shafts 54. When it is moved between the detection optical system 100 and the illumination optical system 101 of the hidden mark detection optical system 200, the operation of the pulse motor 45 is stopped.

Thereafter, the arithmetic control circuit 130 turns on the light source 103 and emits infrared light from the light source 103, while driving and controlling the drive motor 107 to rotate the rotating reflector 106.

  The infrared light from the light source 3 passes through the pinhole plate 104 and the half mirrors 112 and 202, enters the collimator lens 105, is converted into a parallel light beam by the collimator lens 105, and is then a spectacle lens as a test lens. Projected to ML.

The infrared light transmitted through the spectacle lens ML by this projection is reflected by the rotary reflecting plate 106 and becomes reflected light. Part of this reflected light is transmitted through the spectacle lens ML and the half mirror 202, and then reflected by the half mirror 112, and the image of the spectacle lens ML and the axial shape are reflected on the CCD 115 via the diaphragm plate 113 and the imaging lens 114. An image of the lens receiver 49 is formed. If the spectacle lens ML has a hidden mark or a paint mark, these are also imaged on the CCD 115. The image signal from the CCD 115 is input to the arithmetic control circuit 130. When the arithmetic control circuit 130 receives the image signal from the CCD 115, the arithmetic control circuit 130 causes the liquid crystal display 11 to display an image as shown in FIG.
A. Confirmation example 1 of the presence or absence of the spectacle lens ML
In FIG. 33, 140 indicates the lens shape of the spectacle lens ML, 141 indicates the lens shape of the axial lens receiver 49, and 142 and 143 are paint mark images and hidden mark images.
Step S1
On the other hand, when the arithmetic control circuit 130 receives the image signal from the CCD 115, it starts the lens presence / absence determination process shown in FIG. Migrate to

That is, the arithmetic control circuit 130 sets a cutout area (processing area) 144 indicated by a rectangular frame in FIG. 33, and proceeds to step S2. This cutout region 144 extends in a straight line with a narrow width from the center of the spectacle lens ML to the outside of the periphery. That is, the cutout region 144 extends from the approximate center of the ring-shaped gear 47 and the cover ring 57 in the radial direction to the front of the cover ring 57.
Step S2
In step S2, the arithmetic control circuit 130 counts pixels whose luminance value in the cutout region 144 is equal to or less than the threshold value, and proceeds to step S3.
Step S3
In step S3, the arithmetic and control circuit 130 determines whether or not the total number of pixels equal to or less than the threshold counted in step S2 is equal to or greater than the threshold. If it is determined that the total number of pixels is equal to or greater than the threshold, the process proceeds to step S4. If it is determined that the total number of pixels is less than the threshold, the process proceeds to step S5.
Steps S4 and S5
Then, the arithmetic control circuit 130 determines that the lens is present in step S4 and ends the process. In step S5, the arithmetic control circuit 130 determines that the lens is not present and ends, and the process proceeds to another process.
B. Confirmation example 2 of the presence or absence of the spectacle lens ML
Further, when the lens holder (frame replacement holder) 63 is attached to the ring-shaped gear 47 as shown in FIG. 15, images as shown in FIGS. 34 to 37 are displayed on the liquid crystal display 11. The 34 to 37, reference numeral 150 denotes an arm image of the lens holding arm 66, and in FIG. 36, reference numeral 151 denotes a lens shape of the frame replacement lens L shown in FIGS.
Step S11
When the arithmetic control circuit 130 receives the image signal from the CCD 115, it starts the lens presence / absence determination process shown in FIG. To do.

That is, the arithmetic control circuit 130 sets a cutout area (processing area) 152 indicated by a rectangular frame in FIG. 34, and proceeds to step S12. The cutout region 152 is set in a square shape at a substantially central portion of the ring-shaped frame 64.
Step S12
In step S12, the arithmetic control circuit 130 counts pixels whose luminance value in the cutout region 152 is equal to or less than the threshold value, and proceeds to step S13.
Step S13
In step S13, the arithmetic control circuit 130 determines whether or not the total number of pixels equal to or less than the threshold counted in step S2 is equal to or greater than the threshold. If it is determined that the total number of pixels is less than the threshold, the process proceeds to step S15.
Step S14
When the total number of pixels is greater than or equal to the threshold value, there is no frame replacement lens L between the three lens holding arms 66 shown in FIGS. 14 and 15, so the three lens holding arms 66 shown in FIGS. Located in the center of the frame 64. In this state, an arm image 150 that is an image of the three lens holding arms 66 is positioned in the cutout region 152 as shown in FIG.

Accordingly, in step S14, the arithmetic control circuit 130 proceeds to step S15 assuming that the arm image 150 exists in the cutout region 152.
Step S15
In step S <b> 15, the arithmetic control circuit 130 determines that there is no frame replacement lens L between the lens holding arms 66 and ends the process, and proceeds to another process.
Step S16
Further, when the total number of pixels is less than the threshold value or more, there is a frame changing lens L between the three lens holding arms 66 in FIGS. 14 and 15, and therefore the three lens holding arms in FIGS. 14 and 15. 66 is not in the center of the ring-shaped frame 64. In this state, the arm image 150 that is an image of the three lens holding arms 66 is positioned outside the cutout region 152 as shown in FIG.

Therefore, in step S16, the arithmetic control circuit 130 sets a plurality of (six directions in this embodiment) search lines 153a to 153f in the radial direction from the center of the stage, that is, the center of the ring-shaped frame 64, as shown in FIG. Then, the luminance of one of the plurality of search lines 153a to 153f, for example, the center-side end of the ring-shaped frame 64 of the search line 153a is read, and the process proceeds to step S17.
Step S17
In step S17, the arithmetic control circuit 130 calculates a point for reading the next luminance in the search line 153a, moves to the calculated position, and proceeds to step S18.
Step S18
In step S18, the arithmetic control circuit 130 reads the luminance value of the moved point, obtains the difference between this luminance value and the luminance value of the previous point, and proceeds to step S19.
Step S19
In step S19, the arithmetic control circuit 130 determines whether or not the difference between the luminance values obtained in step S18 is large. If not, the process returns to step S17 and loops. If large, the process proceeds to step S20. .
Step S20
In step S20, the arithmetic and control circuit 130 determines whether or not the point having the large luminance value difference is an address near the inner periphery of the ring-shaped frame 64 (near the edge of the stage), and the point 154 having the large luminance value difference is determined. As shown in FIG. 41, when the address is in the vicinity of the inner periphery of the ring-shaped frame 64 (in the vicinity of the edge 155 of the stage), the process proceeds to step S21, and a point 154 having a large luminance value difference is shown in FIG. If the address is not near the inner periphery of the ring-shaped frame 64 (near the stage edge 154), the process proceeds to step S22.
Step S21
In step S <b> 21, the arithmetic control circuit 130 determines that there is a frame changing lens L between the three lens holding arms 66, and ends the process.
Step S22
In step S22, the arithmetic and control circuit 130 determines whether or not the search for the difference in luminance value has been completed for all the search lines 153a to 153f (six directions in the present embodiment). The process proceeds to S23, and if completed, the process proceeds to step S24.
Step S23
In this step S23, the arithmetic control circuit 130 sets so as to obtain the luminance value difference of the search line 153b next to the search lines 153a (six directions in the present embodiment), returns to step S16, and returns to the next search. The luminance value of the line 153b and the difference between the luminance values are obtained. Similarly, for the search lines 153b to 153f, the luminance value and the difference between the luminance values are obtained.
Step S24
In step S24, the arithmetic control circuit 24 determines that there is no frame replacement lens L between the three lens holding arms 66, and ends the process.
(4) Measurement by CL measuring apparatus 300 Further, after confirming whether or not the spectacle lens ML is present, the arithmetic control circuit 130 confirms that the spectacle lens ML has no hidden mark, small ball or mark mark, and so on. By controlling the operation, the front / rear feed screw 44 is reversed, the nut member 43 and the front / rear moving member 37 are moved to the CL measuring apparatus 300 side, and the spectacle lens ML is measured with the measurement light beam projection optical system 304 and the light receiving optics of the CL measuring apparatus 300. Arranged between the system 305 and the pulse motor 45 is stopped.

Thereafter, the arithmetic control circuit 130 turns on the light source 307 to emit a measurement light beam. The measurement light beam from the light source 307 is guided to the collimator lens 310 via the pinhole plate 308 and the reflection mirror 309, and is projected as a parallel light beam from the collimator lens 310 onto the spectacle lens ML.

The measurement light beam transmitted through the spectacle lens ML is transmitted through the pattern plate 311, and the pattern 311 is imaged on the CCD 313 via the imaging lens 312 . A measurement signal (image signal) is input from the CCD 313 to the arithmetic control circuit 130. Then, the arithmetic control circuit 130 measures the spherical power S, the cylindrical power C, the axial angle A of the cylindrical shaft, the optical center OC, and the like, which are the refractive characteristics of the spectacle lens ML, based on the measurement signal from the CCD 313.

When the measurement of the refractive characteristics of the spectacle lens ML is completed, the arithmetic control circuit 130 controls the operation of the pulse motor 45 to rotate the forward / backward feed screw 44 in the forward direction so that the nut member 43 and the forward / backward moving member 37 are moved to the lid 26 side. The lens holder 46 and the spectacle lens ML are moved between the rotary reflector 106 and the entire detection optical system 100 and the illumination optical system 101 of the hidden mark detection optical system 200, and the operation of the pulse motor 45 is stopped. .
(5) Attaching (Sucking) Operation of the Lens Suction Jig 120 to the Eyeglass Lens ML After the operation control circuit 130 detects the presence / absence of the eyeglass lens ML, the type of the eyeglass lens ML, the hidden mark, or the like as described above. By operating the mounting angle setting motor 61, the ring-shaped gear 47 of the lens holder 46 is rotated so that the hidden mark or the like matches the mark (not shown) displayed on the liquid crystal display 11. Then, the lens holder 46 is rotated, and the spectacle lens ML held by the lens holder 46 is rotated around the optical axis.

  Alternatively, the arithmetic control circuit 130 measures the refractive characteristics of the spectacle lens ML with the CL measuring device 300, and then turns the spectacle lens ML into the rotating reflector 106, the entire detection optical system 100, and the illumination optical system 101 of the hidden mark detection optical system 200. When there is a cylindrical shaft or the like, the mounting angle setting motor 61 is operated and the ring gear 47 of the lens holder 46 is rotated to rotate the lens holder 46. Then, the spectacle lens ML held by the lens holder 46 is rotated around the optical axis.

  Thereafter, the arithmetic control circuit 130 controls the operation of the drive motor 77, transmits the rotation of the drive motor 77 to the male screw shaft 75 via the pulley 78, the timing belt 79, and the pulley 76, and rotates the male screw shaft 75. The internal thread cylinder 72 is moved downward.

Accordingly, the movable arm 80 integrated with the female screw cylinder 72 is lowered, the roller 84 at the tip of the movable arm 80 is separated from the horizontal plate portion 70a of the fixed arm 70, and the movable bracket 82 is twisted as shown in FIG. The coil spring 83 is rotated to the lower surface side of the movable arm 80 by the spring force. Finally, as shown in FIG. 18, the lens attracting jig 120 faces downward so that the lens attracting jig 120 faces downward.

On the other hand, along with this operation, the guide roller 74 attached to the female screw cylinder 72 moves from the upper vertical slit portion 73a to the lower vertical slit portion 73c via the spiral slit portion 73b, so that the movable arm 80 is integrated with the female screw cylinder 72. Is rotated to the 90 ° lens holder 46 side, and the lens suction jig 120 is moved above the spectacle lens ML.

Thereafter, the female screw cylinder 72 and the movable arm 80 are further lowered, and the cup portion (suction cup) 122 of the lens suction jig 120 at the tip of the movable arm 80 is placed on the shaft-shaped lens receiver 49 as shown in FIGS. The eyeglass lens ML is contacted.

Then, the arithmetic control circuit 130 controls the operation of the drive motor 77, further lowers the female screw cylinder 72 and the movable arm 80, and further pushes the mounting shaft 121 of the lens suction jig 120 into the outer cylinder 88. Thus, the slide cylinder 92 is slightly moved toward the end wall 86c of the holder main body 86 against the spring force of the coil spring 93, and the cup portion 122 is attracted to the spectacle lens ML.

  Accordingly, the locking hook 98 rotates counterclockwise in FIG. 24 due to the spring force of the coil spring 99, and the inclined guide piece 98e becomes a small diameter shaft portion 94a of the guide shaft 94 as shown in FIG. Move up. Thereby, the locking hook 98 is inclined as shown in FIG. 31B, and the inclined guide piece 98e is also inclined in the width direction.

With the pushing operation of the slide cylinder 92, the mounting shaft 92a further slides integrally with the slide cylinder 92, the tip of the mounting shaft 92a further protrudes from the end wall 86c, and from the notch 169a of the light shielding plate 169. The lower part is disposed between the light emitting element 164 and the light receiving element 165, and light emitted from the light emitting element 164 is shielded by the light shielding plate 169.

  As a result, no detection signal is input from the light receiving element 165 to the arithmetic control circuit 130. As a result, the arithmetic control circuit 130 determines that the attachment (suction) of the lens suction jig 120 to the spectacle lens is executed and the mounting shaft portion 121 of the lens suction jig 120 is in a state of being detached from the outer cylinder 88. .

  When the light emitted from the light emitting element 164 is not sufficiently shielded by the light shielding plate 169 due to the pushing operation of the slide cylinder 92, the arithmetic control circuit 130 controls the operation of the drive motor 77 to further reduce the female screw. The cylinder 72 and the movable arm 80 are slightly lowered, and the outer cylinder 88 is pressed and displaced toward the flange 86 b of the holder body 86 against the spring force of the coil spring 90.

  As described above, when the outer cylinder 88 is pressed and displaced toward the flange 86b of the holder body 86 against the spring force of the coil spring 90, the guide support shafts 90a and 90a move integrally with the outer cylinder 88 and move from the flange 86b. The connecting plate 166 moves to the photo sensor 162 side integrally with the guide support shafts 90a and 90a, and the light shielding plate 168 of the connecting plate 166 is moved between the light emitting element 164 and the light receiving element 165.

Thereby, the light emitted from the light emitting element 164 and directed to the light receiving element 165 is shielded by the light shielding plate 168, and the light receiving element 165 does not output a detection signal. Thereby, the arithmetic control circuit 130 determines that the mounting shaft 121 of the lens suction jig 120 is in a state of being detached from the outer cylinder 88.
(6) Returning the movable arm 80 of the lens suction mechanism 68 to the original state (initial position) When the arithmetic control circuit 130 determines that the mounting shaft 121 of the lens suction jig 120 is detached from the outer cylinder 88. Then, the drive motor 77 is reversed to raise the movable arm 80 integral with the female screw cylinder 72.

  Accordingly, the outer cylinder 88 is first moved in a direction away from the flange 86b of the holder main body 86 by the spring force of the coil springs 90, 90, and the guide support shafts 90a, 90a are moved and changed integrally with the outer cylinder 88. Thus, the light shielding plate 168 of the connecting plate 166 provided integrally with the guide support shafts 90 a and 90 a is detached from between the light emitting element 164 and the light receiving element 165. Accordingly, light from the light emitting element 164 enters the light receiving element 165, and the light receiving element 165 inputs an output of a detection signal to the arithmetic control circuit 130.

Further, the slide cylinder 92 is moved to the mounting shaft 121 side by the spring force of the coil spring 93, and the small-diameter shaft portion 94a of the guide shaft 94 attached to the slide cylinder 92 is integrally formed with the slide cylinder 92 and the inclined guide piece 98e. Is moved to the front end side of the locking hook 98.

At this time, as shown in FIG. 31D, the small-diameter shaft portion 94a applies the rotational force F directed to the inclined guide piece 98e in the direction opposite to the rotation biasing direction of the locking hook 98 by the coil spring 99. As a result, the locking hook 98 is slightly rotated in the clockwise direction against the spring force of the coil spring 99 in FIG. 24, and the small-diameter shaft portion 94 a of the guide shaft 94 is engaged with the locking notch 98 d of the locking hook 98. It is moved downward and to the right side of the locking hook 98.

  On the other hand, the spring force of the coil spring 93 is set to be larger than the force with which the linear portion 89 b of the linear spring 89 holds the attachment shaft portion 121, so that the slide cylinder 92 is attached to the attachment shaft by the spring force of the coil spring 93. When moved to the side 121, the mounting shaft 121 is pressed through the slide cylinder 92 by the spring force of the coil spring 93 and moved to the tapered recess 88 c side of the outer cylinder 88, and the mounting shaft 121 is a linear spring. It is separated from the 89 straight part 89b. In this state, the mounting shaft 121 is easily detached from the outer cylinder 88.

  Accordingly, the mounting shaft 92 a slides integrally with the slide cylinder 92, the mounting shaft 92 a moves into the holder body 86, and the notch 169 a of the light shielding plate 169 moves from between the light emitting element 164 and the light receiving element 165 to the holder. The light that has moved to the main body 86 side and emitted from the light emitting element 164 is shielded by the light shielding plate 169.

When the arithmetic control circuit 130 further raises the female screw cylinder 72 and the movable arm 80, the guide roller 74 attached to the female screw cylinder 72 is raised in the lower vertical slit portion 73c, and the lens suction jig 120 is moved to the movable arm. It leaves the outer cylinder 88 at the tip of 80 and remains in the state of being attracted to the spectacle lens ML.

Thereafter, the guide roller 74 attached to the female screw cylinder 72 is moved from the lower vertical slit portion 73c to the upper vertical slit portion 73a via the spiral slit portion 73b, and the movable arm 80 rotates toward the 90 ° side plate 5 side. The movable arm 80 is retracted from above the spectacle lens ML.

When the movable arm 80 is raised and the guide roller 74 is raised in the upper vertical slit portion 73a, the roller 84 of the movable bracket 82 is moved to the horizontal plate portion 70a of the fixed arm 70 as shown in FIG. As a result of the contact, the movable bracket 82 is directed downward as shown in FIG. 16 against the spring force of the torsion coil spring 83 shown in FIG. As a result, the movable bracket 82 faces the suction disk mounting opening 22 as shown in FIG. 1, and a new lens suction jig can be mounted.
(7) Continuous prevention of malfunctions As described above, when the mounting shaft 121 of the lens suction jig 120 is further pushed into the outer cylinder 88 so as to get over the linear portion 89b of the linear spring 89, the mounting shaft 121 becomes a line. The straight portion 89 b of the cylindrical spring 89 is pushed into the slit 88 a of the outer cylinder 88 against the spring force of the bent portion 89 a of the linear spring 89.

  In this state, the linear portion 89b is in pressure contact with the outer peripheral surface of the mounting shaft 121 as shown in FIG. 23 by the spring force of the bent portion 89a, and the mounting shaft 121 is held in the outer cylinder 88. Therefore, even if the outer cylinder 88 faces downward, the lens suction jig 120 does not fall downward.

  At this position, the slide cylinder 92 tries to move toward the opening end side of the outer cylinder 88 by the spring force of the coil spring 93, but the small-diameter shaft portion 94a of the guide shaft 94 is in the locking notch 98d of the locking hook 98. Since it is positioned and locked, the slide cylinder 92 cannot move to the opening end side of the outer cylinder 88.

  By the way, without attaching and fitting the mounting shaft portion 121 of the lens suction jig 120 into the outer cylinder 88, the operator holds the end of the holder main body 86 against the spring force of the coil spring 93 with the finger or the like. Even when the guide shaft 94 is moved toward the wall 86 c, the small diameter shaft portion 94 a of the guide shaft 94 is positioned in the locking notch 98 d of the locking hook 98.

  Even in this case, the slide cylinder 92 tends to move toward the opening end side of the outer cylinder 88 by the spring force of the coil spring 93, but the small-diameter shaft portion 94a of the guide shaft 94 is in the locking notch 98d of the locking hook 98. Since it is positioned and locked, the slide cylinder 92 cannot move to the opening end side of the outer cylinder 88.

  In addition, as described above, the attachment shaft 92 a slides integrally with the slide cylinder 92 in accordance with the pushing operation of the slide cylinder 92, the tip of the attachment shaft 92 a protrudes, and the attachment shaft portion 121 of the suction jig 120. Is pushed into the outer cylinder 88 to the position where it is held by the linear portions 89b and 89b of the linear springs 89 and 89, the notch 169a of the light shielding plate 169 is disposed between the light emitting element 164 and the light receiving element 165. Thus, the light emitted from the light emitting element 164 reaches the light receiving element 165.

  As a result, the light receiving element 165 outputs a detection signal and inputs it to the arithmetic control circuit 130. When the arithmetic control circuit 130 receives the detection signal from the light receiving element 165, the mounting shaft portion 121 of the lens suction jig 120 is inserted and fitted into the outer cylinder 88, and the mounting shaft portion 121 is connected to the linear spring 89. , 89 are held by the straight portions 89b, 89b.

Moreover, the arithmetic control circuit 130, the mounting shaft portion 121 of the lens adsorption jig 120 regardless of whether the outer cylinder 88, the small diameter portion 94a of the guide shaft 94 is engaging notch of the locking hooks 98 98d If it is positioned inside and locked, it is determined that the attachment shaft portion 121 is held by the linear portions 89 b and 89 b of the linear springs 89 and 89 in the outer cylinder 88.

  Therefore, the arithmetic and control circuit 130 allows the guide shaft 94 to be connected to the guide shaft 94 even if the mounting shaft portion 121 of the lens suction jig 120 is not in the outer cylinder 88, that is, even if the lens suction jig 120 is not held by the outer cylinder 88. If the small-diameter shaft portion 94a is positioned and locked in the locking notch 98d of the locking hook 98, it is determined that the lens suction jig 120 is held by the outer cylinder 88 and is described above (5). ) Of attaching the lens suction jig 120 to the spectacle lens ML.

  In the mounting operation of the lens suction jig 120 to the spectacle lens ML, in a state where the lens suction jig 120 is not held by the outer cylinder 88, the outer cylinder 88 is pressed against the spectacle lens ML of the lens holder 46, and the outer cylinder 88 is pressed and displaced toward the flange 86 b of the holder body 86 against the spring force of the coil spring 90. Therefore, it is preferable to prevent the spectacle lens ML from being damaged by attaching an elastic member (not shown) to the end of the outer cylinder 88.

  As the outer tube 88 is pressed against the spectacle lens ML, the guide support shafts 90a and 90a move integrally with the outer tube 88 and protrude from the flange 86b, and the connecting plate 166 is integrated with the guide support shafts 90a and 90a. Then, the light shielding plate 168 of the connecting plate 166 is moved between the light emitting element 164 and the light receiving element 165.

  Thereby, the light emitted from the light emitting element 164 and directed to the light receiving element 165 is shielded by the light shielding plate 168, and the light receiving element 165 does not output a detection signal. Thereby, the arithmetic control circuit 130 determines that the mounting shaft 121 of the lens suction jig 120 is in a state of being detached from the outer cylinder 88.

  When the arithmetic control circuit 130 determines that the mounting shaft 121 of the lens suction jig 120 is in a state of being detached from the outer cylinder 88, the arithmetic control circuit 130 reverses the drive motor 77 to move the movable arm of the lens suction mechanism 68 in (6). The returning operation to the original 80 (initial position) is executed.

  In this way, even if the mounting shaft portion 121 of the lens suction jig 120 is not in the outer cylinder 88, that is, even if the lens suction jig 120 is not held by the outer cylinder 88, a normal suction operation is performed. The movable arm 80 can be returned to the original state (initial position) to prepare for the next suction operation.

As described above, the lens suction jig automatic mounting device according to the embodiment of the present invention includes the suction jig holding means (outer cylinder 88) for holding the lens suction jig 120, and the suction jig holding means (outside). A lens suction mechanism 68 that moves the tube 88) back and forth between a suction jig holding position (on the suction disk mounting opening 22 side) and a lens suction position (lens holder 46 side); and the suction jig holding means (outer cylinder). 88) detecting means (photosensor 162, light shielding plate 169 ) for detecting that the lens suction jig 120 held on the surface of the spectacle lens at the lens suction position, and the detecting means (photosensor 162, light shielding). to return the suction jig holding means the lens chuck mechanism 68 after detecting the attachment of the eyeglass lens ML by the plate 169) hydraulic control to the (outer cylinder 88) to the suction jig holding position Return means having a (arithmetic control circuit 130). In addition, the return means (calculation control circuit 130) is configured so that the suction jig holding means (outer cylinder 88) is a lens even when the suction jig holding means (outer cylinder 88) is not held by the lens suction jig 120. When the detection means detects that the sheet is conveyed to the suction position, the lens suction mechanism 68 is controlled to move the suction jig holding means (outer cylinder 88) from the lens suction position to the suction jig holding position. It is set to be restored.

  According to this configuration, the configuration is simple, and the operation of attracting the suction jig to the spectacle lens can be reliably repeated.

  Moreover, the lens attachment jig automatic attachment device according to the embodiment of the present invention includes a cylindrical body (outer cylinder 88) that holds the attachment shaft portion 121 of the lens adsorption jig 120, and the cylindrical body (outer cylinder 88). A sliding member (slide cylinder 92) that is pressed and slid by the mounting shaft 121 fitted and held in the mounting, and a biasing means that biases the slide member (slide cylinder 92) toward the mounting shaft 121. (Coil spring 93).

  In addition, the lens attachment jig automatic attachment device is configured such that the slide member (slide cylinder 92) is slid by a predetermined amount by the attachment shaft portion 121 fitted to the cylinder (outer cylinder 88). The movement of the slide member (slide cylinder 92) toward the mounting shaft 121 is restricted, and the movement restriction of the slide member (slide cylinder 92) toward the attachment shaft 121 when released is released. Push-push type movement blocking means (guide shaft 94, locking hook 98) is provided.

  Further, in the lens attachment jig automatic attachment device, the movement preventing means (the guide shaft 94, the locking hook 98) restricts the movement of the slide member (slide cylinder 92) toward the attachment shaft portion 121. A holding detection sensor (photosensor 162, light shielding plate 169) that detects the holding of the mounting shaft 121 on the cylindrical body (outer cylinder 88) and outputs a detection signal, and the cylindrical body (slide cylinder 92). Mounting means (lens suction mechanism 68) for mounting the lens suction jig 120 on the surface of the eyeglass lens ML by moving the lens holder 46 to the eyeglass lens ML side, and the mounting when receiving the detection signal An arithmetic control circuit 130 is provided for controlling the operation of the means (lens suction mechanism 68) and mounting the lens suction jig on the surface of the spectacle lens ML.

  Further, in the lens attachment jig automatic mounting device, the cylindrical body (slide cylinder 92) is directly attached to the eyeglass lens ML by the mounting means (lens adsorption mechanism 68) or indirectly through the lens adsorption jig. Press detection means (a photo sensor 162 and a light shielding plate 168) for detecting a press and outputting a press detection signal is provided. The arithmetic control circuit 130 receives the press detection signal and controls the mounting means (lens suction mechanism 68) in a direction in which the cylindrical body (outer cylinder 88) is separated from the spectacle lens ML.

  According to this configuration, the configuration is simple, and the operation of attracting the suction jig to the spectacle lens can be reliably repeated.

  Further, when the lens suction jig 120 is attached to the lens suction mechanism 68 and accidentally falls off the outer cylinder 88, the same operation as described above is performed.

  In the embodiment described above, the photo sensor 162 and the light shielding plate 169 detect that the lens suction jig 120 is held in the outer cylinder 88. However, the present invention is not limited to this. For example, a hemispherical portion is provided at the tip of an actuator of a microswitch (not shown), and this hemispherical portion is positioned slightly above the slit 88a in FIG. It is good also as a composition. In this case, when the mounting shaft portion 121 of the lens suction jig 120 is inserted into the outer cylinder 88 and the mounting shaft portion 121 is held by the straight portions 89b and 89b of the linear springs 89 and 89, the mounting shaft portion. The hemispherical portion of the actuator is pressed by the end portion of 121, and a micro switch (not shown) detects the mounting shaft portion 121.

  Thereby, even if the slide cylinder 92 is pushed in a predetermined amount and the guide shaft 94 is locked to the locking hook 98, the mounting shaft 121 of the lens suction jig 120 must be held in the outer cylinder 88. For example, the lens adsorption operation can be prevented from being executed by the arithmetic control circuit 130.

In this embodiment, a push / push type lock / unlock mechanism using the latch hook 98 and the guide shaft 94 is used for latching and unlocking the slide member. However, the present invention is not limited to this. Absent. For example, a push / push-type lock / unlock mechanism using a heart cam used in a switch or the like may be interposed between the slide member and the cylinder.

1 shows an appearance of a lens suction jig mounting device according to the present invention. It is explanatory drawing of the liquid crystal display of FIG. It is explanatory drawing of the display content of the liquid crystal display of FIG. It is explanatory drawing which shows the other example of the display content of the liquid crystal display of FIG. It is explanatory drawing which shows the other example of the display content of the liquid crystal display of FIG. FIG. 2 is a control circuit diagram of the lens suction jig mounting device shown in FIG. 1. It is explanatory drawing which showed the other example of the optical system shown in FIG. It is a disassembled perspective view which shows the relationship between the outer case and frame of the lens adsorption jig mounting apparatus of FIG. FIG. 4 is a plan view of the frame of FIG. 3. It is a schematic explanatory drawing inside the lens adsorption | suction jig mounting apparatus shown in FIG. FIG. 6 is an operation explanatory diagram of FIG. 5. It is a perspective view of CL measuring device of Drawing 5 and Drawing 6. It is a perspective view for demonstrating the lens holder of FIG. 5, FIG. It is a top view of FIG. It is sectional drawing which follows the A1-A1 line | wire of FIG. It is sectional drawing which follows the A3-A3 line | wire of FIG. It is sectional drawing which follows the A2-A2 line | wire of FIG. (A) is a schematic perspective view for the principal part description of a lens holder, (b) is a schematic sectional drawing of the lens holder of (a). It is a schematic perspective view of the lens holder for frame replacement. It is a schematic perspective view which shows the state which mounted | wore the ring-shaped gear of the lens holder of FIG. 13 with the lens holder for frame replacement of FIG. It is a side view of the lens adsorption | suction mechanism shown in FIG. FIG. 17 is a partial schematic exploded perspective view of the lens suction mechanism shown in FIG. 16. FIG. 18 is an operation explanatory diagram of the lens suction mechanism shown in FIGS. 16 and 17. FIG. 18 is an operation explanatory diagram of the lens suction mechanism shown in FIGS. 16 and 17. FIG. 17 is a side view of the suction jig holding means shown with a part of the movable bracket of FIG. 16 cut away. It is explanatory drawing which showed the adsorption jig holding means of FIG. 16 partially cut along the centerline. It is a top view of the holder main body and movable arm of FIG. It is action | operation explanatory drawing which shows the relationship between the photo sensor shown in FIG.21 and FIG.21A, and a light-shielding plate. It is a right view of FIG. 21B. (A) is sectional drawing which follows the centerline of the adsorption jig holding means of FIG. 16, (b) is a top view of the outer cylinder of (a), (c) is a partial perspective view of the outer cylinder of (b). . 22A is a perspective view of the holder main body of FIG. 22, FIG. 22B is a plan view of the holder main body of FIG. 22A viewed from the cylinder side, and FIG. 22C is a cross-sectional view taken along the axis of the outer cylinder of FIG. d) It is sectional drawing when the cylinder part of (a) and the outer cylinder of (c) are fitted. FIG. 23 is a cross-sectional view of the suction jig holding means in a state where the mounting shaft portion of the lens suction jig of FIG. 22 is further pushed in. It is a perspective view explaining the latching hook of the adsorption jig holding means of FIG. It is a front view of the latching hook of FIG. It is sectional drawing which follows the B1-B1 line | wire of FIG. FIG. 26 is a plan view of FIG. 25. It is a perspective view which shows the state which has mounted | worn with the lens suction jig on the spectacle lens on a lens holder by the suction jig holding means of FIG. It is a fragmentary sectional view which shows the relationship between the suction jig holding means of FIG. 28, a lens suction jig, and a spectacle lens. It is a fragmentary sectional view which follows the B2-B2 line of FIG. It is explanatory drawing explaining the effect | action of the latching hook of FIG.24 and FIG.30. It is a flowchart of the process of the lens presence or absence by the arithmetic control circuit of FIG. It is explanatory drawing for the process of the lens presence or absence of FIG. It is explanatory drawing for demonstrating the other example of the process of a lens presence / absence. It is explanatory drawing for demonstrating the other example of the process of a lens presence / absence. It is explanatory drawing for demonstrating the other example of the process of a lens presence / absence. It is explanatory drawing for demonstrating the other example of the process of a lens presence / absence. 6 is a flowchart illustrating another example of lens presence / absence processing by the arithmetic control circuit of FIG. 2. It is explanatory drawing for demonstrating the other example of the process of the lens presence or absence of FIG. It is explanatory drawing for demonstrating the other example of the process of the lens presence or absence of FIG. It is explanatory drawing for demonstrating the other example of the process of the lens presence or absence of FIG.

Explanation of symbols

68 ... Lens suction mechanism 88 ... Outer cylinder (suction jig holding means)
92 ... Slide cylinder (slide member)
93 ... Coil spring (biasing means)
94 ... Guide shaft (part of movement prevention means)
98 ... Locking hook (part of the movement blocking means)
120 ... Lens suction jig 121 ... Mounting shaft 130 ... Calculation control circuit (return means)
162: Photo sensor (part of detection means)
168 ... Light shielding plate (part of detection means)
169 ... Light-shielding plate (part of detection means)
ML ... Glasses lens

Claims (3)

A suction jig holding means for holding a lens adsorption jig, a lens suction mechanism for advancing and retreating movement between the suction jig holding position and the lens suction position the suction jig holding means, said in the suction jig holding position A holding detection sensor for detecting a state in which the lens suction jig is held by the suction jig holding means, and the holding detection sensor detects a holding state of the lens suction jig in the suction jig holding means. Occasionally, arranged said lens adsorption jig of the suction jig holding means moves the said suction jig holding means operation control to the lens chuck mechanism on the lenses suction side to the lens pick-up position wherein an automatic mounting device for the lens adsorption jig having an arithmetic control circuit pressing to be mounted on the surface of the spectacle lens, the suction jig holding means the spectacle lens in the lens suction positions Pressure detecting means for detecting whether the suction jig holding means is pressed against the spectacle lens indirectly via the lens suction jig, and the arithmetic control circuit includes: When the pressing detection means detects direct or indirect pressing of the suction jig holding means to the eyeglass lens, the lens suction mechanism is controlled to move the suction jig holding means from the lens suction position. An automatic attachment device for a lens suction jig, which is set so as to return to the suction jig holding position . 2. The automatic attachment device for a lens suction jig according to claim 1, wherein an elastic member for preventing the eyeglass lens from being damaged is held by the suction jig holding means. Mounting device.   A cylindrical body that holds the mounting shaft portion of the lens adsorption jig, a slide member that is pressed and slid by the mounting shaft portion that is fitted and held in the cylindrical body, and the slide member is moved to the mounting shaft portion side. Restricting movement of the slide member toward the mounting shaft portion at a position where the slide member is slid by a predetermined amount by the biasing means for biasing and the mounting shaft portion fitted to the cylindrical body; Push-push type movement preventing means for releasing movement restriction of the slide member to the mounting shaft side when further pressed, and the movement blocking means prevents the slide member from moving to the mounting shaft side. A holding detection sensor that detects the holding of the mounting shaft portion on the cylindrical body at a regulated position and outputs a detection signal; and moves the cylindrical body toward the spectacle lens side of the lens holder to move the lens body to the surface of the spectacle lens. Lens adsorption A lens suction jig automatic comprising: a mounting means for mounting a tool; and an arithmetic control circuit for operating the mounting means to mount the lens suction jig on the surface of the spectacle lens when receiving the detection signal A pressure detecting means for detecting that the cylindrical body is pressed against the spectacle lens directly or indirectly via the lens suction jig by the mounting means and outputting a pressure detection signal. And a lens suction jig automatic mounting apparatus, wherein the arithmetic control circuit receives the press detection signal and controls the mounting means in a direction in which the cylindrical body is separated from the spectacle lens.