KR20060054560A - Apparatus and method for processing eyeglass lens - Google Patents

Apparatus and method for processing eyeglass lens Download PDF

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Publication number
KR20060054560A
KR20060054560A KR1020040093160A KR20040093160A KR20060054560A KR 20060054560 A KR20060054560 A KR 20060054560A KR 1020040093160 A KR1020040093160 A KR 1020040093160A KR 20040093160 A KR20040093160 A KR 20040093160A KR 20060054560 A KR20060054560 A KR 20060054560A
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KR
South Korea
Prior art keywords
lens
wheel
carriage
contact
groove
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Application number
KR1020040093160A
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Korean (ko)
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KR100623878B1 (en
Inventor
심순용
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주식회사 휴비츠
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Priority to KR1020040093160A priority Critical patent/KR100623878B1/en
Publication of KR20060054560A publication Critical patent/KR20060054560A/en
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Publication of KR100623878B1 publication Critical patent/KR100623878B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/03Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding grooves in glass workpieces, e.g. decorative grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/04Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/06Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B51/00Arrangements for automatic control of a series of individual steps in grinding a workpiece

Abstract

Disclosed are a spectacle lens processing apparatus and method for forming a lens fixing groove at an edge of a semi-rimless spectacle lens. The spectacle lens processing apparatus includes a carriage for supporting a pair of lens fixing shafts for fixing both sides of the lens to be processed, and for moving the position of the lens fixing shaft; A lens rotation motor for rotating the pair of lens fixing shafts; A carriage moving shaft mounted at one end of the carriage to move the carriage; Vertical drive means mounted to the other end of the carriage to rotate the carriage in a rotational direction of the carriage moving shaft; And a grooving part, wherein the grooving part comprises a groove forming wheel for forming a groove in an edge of the lens; A wheel rotation motor for rotating the groove forming wheel; A wheel shaft supporting the groove forming wheel; A contact sensing block mounted at one end thereof and having a contact switch driver formed at the other end thereof, and contacting the groove forming wheel with a lens, the contact sensing block moving a predetermined distance together with the wheel axis; And a touch switch operated by the touch switch driver according to the movement of the touch sensing block.
Glasses lens, grooving, lens fixing shaft, contact switch, contact detection

Description

Apparatus and method for processing eyeglass lens             

1 is a perspective view of a conventional patternless lens processing machine.

Figure 2 is a perspective view of the internal structure for explaining the operation of the conventional patternless lens processing machine.

Figure 3 is an enlarged perspective view for explaining the operation of the grooving unit mounted to a conventional patternless lens processing machine.

Figures 4a and 4b is a perspective view and a side view of the internal structure for explaining the structure and operation of the spectacle lens processing apparatus according to an embodiment of the present invention, respectively.

Figure 5 is a perspective view of the grooving portion used in the spectacle lens processing apparatus according to an embodiment of the present invention.

6 is a cross-sectional view of the spectacle lens manufactured by the spectacle lens processing method according to an embodiment of the present invention.

The present invention relates to a spectacle lens processing apparatus and method, and more particularly to a spectacle lens processing apparatus and method for forming a lens fixing groove on the edge of the semi-rimless spectacle lens.

Since the lens for vision correction or security is originally produced in a round shape, the lens must be used after processing the lens to match the shape of the spectacle frame, and the lens before such processing is usually called a blank lens. Recently, as well as the frame of the lens to fully fit the lens, half-rimless glasses that fit part of the lens, for example half of the lens, and the other half of the lens is fixed using a wire made of nylon, Frameless glasses, which use only nose rings and earrings, are developed and used. As a method of processing the blank lens into a desired shape, a method of initially attaching a paper on which a desired lens shape is drawn to a blank lens and using a grinder to polish the lens along a shape drawn on paper. In addition, as a more advanced lens processing method, a model suitable for eyeglass frames made of plastic having a thickness of about 1.5 mm, which is commonly referred to as a pattern, is known, and a method of automatically processing a lens along this model is known. The method involves fixing the blank lens between two axes, and rotating the two axes, contacting the front, rear or bottom grinder with the blank lens to polish the lens, wherein the grinder and lens are in contact with each other according to the shape of the plastic pattern. Since it is supposed to, the lens can be processed into the same shape as that of the pattern. This principle of lens processing is similar to the operating principle of the key copying device. Such a lens processing apparatus is commonly referred to as a "pattern lens processing machine", and the plastic pattern is made by a separate pattern maker which processes plastic according to the shape of the spectacle frame. Therefore, in order to process the lens, first, a pattern is made and the lens is processed again using the pattern. In addition, in the case of semi-rimless glasses, the lens should be processed into a desired shape, and then grooves for hanging nylon wires are formed at the edges of the lenses. Grooves should be formed separately by using.

In recent years, a "patternless lens processing machine" has been developed and used as a lens processing apparatus that does not need to use a pattern. The patternless lens processing machine measures the shape of the spectacle frame or the shape of the lens to be processed by using a device called a tracer, converts it into data, and processes the lens according to a certain processing algorithm. That is, the patternless lens processing machine controls the position of the axis holding the lens by using the data transmitted from the tracer to process the lens into a desired shape. Such a patternless lens processing machine can perform not only the grooving function but also the face chamfering function automatically, which greatly improves the convenience compared to the conventional processing method. 1 is a perspective view of a conventional patternless lens processing machine, and FIG. 2 is a perspective view of an internal structure for explaining the operation of the patternless lens processing machine. As shown in Fig. 1, an opening and closing window 2 for inserting a lens inside the apparatus and a plurality of control switches 3 for controlling the apparatus are mounted on the upper portion of the patternless lens processing machine. As shown in Fig. 2, a conventional patternless lens processing machine includes a pair of lens fixing shafts 10 for clamping lenses on both sides of a lens to be processed (not shown); A carriage (12) for changing the position of the lens fixing shaft (10) while supporting the pair of lens fixing shafts (10); A lens rotation motor 13 for rotating the lens fixing shaft 10; A carriage moving shaft (14) mounted on one end surface of the carriage (12) to allow the carriage (12) to rotate and to slide in an axial direction; Left and right driving means (16) mounted to one end of the carriage (12) to move the carriage (12) in the axial direction of the carriage movement shaft (14); And a vertical driving means 18 mounted at the other end of the carriage 12 to rotate the carriage 12 in the rotational direction of the carriage moving shaft 14. In addition, the patternless lens processing machine further comprises a diamond polishing wheel 20 for polishing a lens fixed to the pair of lens fixing shafts 10 to a predetermined shape and a groove cavitation section 30 for forming a groove in the edge of the lens. Include. Referring to the method of processing a lens into a predetermined shape using a conventional patternless lens processing machine, first, the lens is fixed between a pair of lens fixing shafts 10, and the lens rotation motor 13 is driven to polish the lens. The part to be directed faces the diamond polishing wheel 20. In addition, by operating the left and right direction driving means 16 and the vertical direction driving means 18 to move the carriage 12 up and down, left and right, the lens and the diamond polishing wheel 20 fixed to the lens fixing shaft 10 The lenses can be processed by bringing the abutment wheels into contact with each other and rotating the diamond polishing wheel 20 at high speed. At this time, the position of the carriage 12 in which the lens and the diamond polishing wheel 20 first contact is the "processing initial position". When the lens is polished by rotating the diamond polishing wheel 20, the carriage 12 is further lowered by the thickness of the lens polished by gravity or a spring mounted between the carriage 12 and the bottom surface. When the carriage 12 is lowered by a desired distance from the "processing initial position", the driving of the diamond polishing wheel 20 is stopped, and the lens can be polished to a desired shape.

3 is an enlarged perspective view for explaining the operation of the groove part 30 mounted to a conventional patternless lens processing machine. As shown in FIG. 3, the trench 30 includes a groove forming wheel 32 for forming a groove at an edge of the lens; A wheel shaft 34 supporting the groove forming wheel 32; One end is mounted to the wheel shaft 34, the other end is rotatably mounted to the fixed block 38, the wheel movement rotating member for rotating the wheel shaft 34 in the direction of the arrow of Figure 3; A wheel moving motor (42) mounted on the fixed block (38) for rotating the other end of the wheel moving rotary member (36) via a worm gear (40); And a wheel rotating motor 44 which rotates the groove forming wheel 32 and the wheel shaft 34 at high speed by a pulley and a belt mounted inside the wheel moving rotating member 36. Referring to Fig. 3, the operation of the groove dividing unit 30 will be described. First, when the wheel movement motor 42 is driven, the rotational force of the wheel movement motor 42 is transmitted through the worm gear 40, the wheel movement rotating member 36 is rotated, and the groove forming wheel 32 is polished. Move to. If grooving is not required, the wheel movement motor 42 is reversely driven to move the groove forming wheel 32 to the standby position. After the groove forming wheel 32 is moved to the polishing position, the carriage 12 to which the lens 5 is fixed is moved left and right (see FIG. 2), so that the lens 5 and the groove forming wheel 32 are moved. Contact. When the lens 5 and the grooved wheels 32 are in contact with each other, the carriage 12 is supported by the grooved wheels 32 and stops without further lowering, and thus the position where the carriage 12 is stopped is It becomes the "processing initial position". Thereafter, when the groove forming wheel 32 is driven to rotate to form grooves at the edge of the lens 5, the carriage 12 further lowers by the depth of the groove formed in the lens 5. When the carriage 12 descends by a desired distance, the driving of the groove forming wheel 32 may be stopped to form a groove having a desired depth in the lens 5.

However, this conventional grooving process has a problem in that it is not possible to accurately detect the "processing initial position" for grooving. That is, in the case of processing the shape of the lens using the diamond polishing wheel 20, since the diamond polishing wheel 20 is a very rigid structure, the position where the lens and the diamond polishing wheel 20 abut each other, the "processing initial position" In the case of grooving the lens using the groove forming wheel 32, the wheel shaft 34 to which the groove forming wheel 32 is assembled is bent to some extent by the weight of the carriage 12. The carriage 12 is stopped when the wheel shaft 34 is no longer bent. Since the degree of bending of the wheel shaft 34 depends on the weight of the carriage 12, the material and condition of the wheel shaft 34, the type of compression spring mounted between the carriage 12 and the bottom surface, the carriage 12 It is difficult to determine the point where the lens stops at the position where the lens and the groove forming wheel 32 first contact, that is, the "processing initial position". Normally, the depth of the groove formed is about 0.3 to 0.5 mm at maximum, whereas the wheel shaft 34 is bent by 1 mm or more, so when the stop position of the carriage 12 is determined as the "processing initial position", the groove is 1 mm or more than the desired depth. It can be formed deeper, and an error can occur even in the width of the groove, so that the nylon wire cannot be fixed properly in the groove, or the shape of the processed lens is aesthetically undesirable, and in some cases, throws away the expensive lens. May be In addition, before the grooving step, a step of polishing the edge of the lens is performed. If the lens and the groove forming wheel 32 contact with excessive force, the gloss surface becomes rough. In addition, if the bending and restoring of the wheel shaft 34 is repeated as the use time of the device increases, the position of the wheel shaft 34 is changed, and it becomes more difficult to control the grooving process such as the determination of the completion point of the machining. 32) also rotates under overload, which shortens the life of the equipment.

Accordingly, it is an object of the present invention to provide a spectacle lens processing apparatus and method which can improve the precision of the grooving process and facilitate the control of the grooving process. Another object of the present invention is to provide an apparatus and method for processing spectacle lenses capable of accurately detecting contact between a lens and a grooved wheel. Still another object of the present invention is to provide a spectacle lens processing apparatus which is mechanically stable and excellent in durability.

In order to achieve the above object, the present invention supports a pair of lens fixing shaft for fixing both sides of the lens to be processed, the carriage for moving the position of the lens fixing shaft; A lens rotation motor for rotating the pair of lens fixing shafts; A carriage moving shaft mounted at one end of the carriage to move the carriage; Vertical drive means mounted to the other end of the carriage to rotate the carriage in a rotational direction of the carriage moving shaft; And a grooving part, wherein the grooving part comprises a groove forming wheel for forming a groove in an edge of the lens; A wheel rotation motor for rotating the groove forming wheel; A wheel shaft supporting the groove forming wheel; A contact sensing block mounted at one end thereof and having a contact switch driver formed at the other end thereof, and contacting the groove forming wheel with a lens, the contact sensing block moving a predetermined distance together with the wheel axis; And a contact switch operated by the contact switch driving unit according to the movement of the contact sensing block. The invention also provides a groove forming wheel for forming a groove on the edge of the lens; A wheel rotation motor for rotating the groove forming wheel; A wheel shaft supporting the groove forming wheel; And a grooving part including a contact detecting block supporting the wheel shaft, the method comprising the steps of: moving a lens to contact the lens with the groove forming wheel; Causing the touch sensing block to move a predetermined distance by a force generated by the contact between the groove-forming wheel and a lens; Determining the lens position at this time as a "processing initial position" when the touch switch is operated by the movement of the touch sensing block; And driving the groove forming wheel to form a groove in the lens while moving the lens a predetermined distance from the "processing initial position" toward the groove forming wheel.

Hereinafter, with reference to the accompanying drawings will be described the present invention in more detail. In the accompanying drawings, members having functions similar to those of the conventional apparatus are denoted by the same reference numerals as those of the conventional apparatus.

4A and 4B are respectively a perspective view and a side view of an internal structure for explaining the structure and operation of the spectacle lens processing apparatus according to the embodiment of the present invention. As shown in FIGS. 4A and 4B, the spectacle lens processing apparatus according to the present invention includes a pair of lens fixing shaft 10, a carriage 12, a carriage moving shaft 14, a vertical driving means 18, and a trench. 30, and may further include a left and right driving means 16 and a polishing wheel 20. The components are basically the same function as the conventional patternless lens processing machine, the pair of lens fixing shaft 10 is rotated by the power of the lens rotation motor 13, the lens to be processed (not shown) The lens 12 on both sides of the lens (clamping), the carriage 12 supports the lens fixing shaft 10, is coupled to the carriage moving shaft 14, the lens fixing shaft 10 and the rotational movement and And / or sliding in the axial direction. In addition, the left and right direction driving means 16 and the vertical direction driving means 18 functions to move the carriage 12 in the axial direction and the rotation direction of the carriage moving shaft 14, respectively, and the polishing wheel 20 ) Is a function of grinding the lens fixed to the lens fixing shaft 10 to a predetermined shape, for example, made of diamond.

5 is a perspective view for explaining the structure and operation of the grooving portion 30 used in the spectacle lens processing apparatus according to an embodiment of the present invention. As shown in FIG. 5, the trench 30 includes a groove forming wheel 32 for forming a groove at an edge of the lens 5; A wheel rotation motor 44 for rotating the groove forming wheel 32; A wheel shaft 34 supporting the groove forming wheel 32; The wheel shaft 34 is mounted at one end thereof, and the contact switch driver 48 is formed at the other end thereof. As the lens 5 contacts the groove forming wheel 32, the wheel shaft 34 is fixed together with the wheel shaft 34. Distance moving contact sensing block 38a; And a contact switch 46 operated by the contact switch driver 48 in accordance with the movement of the contact sensing block 38a. One end of the grooving portion 30 is mounted to the wheel shaft 34 and the other end is rotatably mounted to the contact detecting block 38a to rotate the wheel moving member for changing the position of the wheel shaft 34. 36); And, for example, a wheel moving motor 42 mounted to the contact detecting block 38a to rotate the other end of the wheel moving rotary member 36 via the worm gear 40. . Here, the driving force of the wheel rotation motor 44 may be transmitted to the groove forming wheel 32 and the wheel shaft 34 by a pulley and a belt mounted inside the wheel moving rotary member 36. In addition, the grooving portion 30 supports the contact sensing block 38a and is hinged to one end of the contact sensing block 38a so that the contact sensing block 38a moves a predetermined distance. It may further include a fixed block 38b, the contact switch 46 may be mounted to the lower fixed block (38b). The contact switch driver 48 formed to extend from the contact sensing block 38a is configured to turn on / off the contact switch 46 according to the distance between the contact sensing block 38a and the lower fixed block 38b. have. The contact switch 46 may push the contact sensing block 38a by an elastic body such as a spring mounted inside the switch 46 to stably position the contact sensing block 38a at an initial position. Do. At this time, the contact detecting block 38a is hinged to the lower fixing block 38b so as not to rotate excessively in the direction of the spring force, and is inclined in the compression direction of the spring even when a small amount of force is applied to the contact switch. 46 is turned on / off.

Referring to Figure 5 will be described the operation of the grooving portion 30 used in the spectacle lens processing apparatus according to an embodiment of the present invention. For the grooving process, the lens 5 in which the shape machining is completed is lowered in the direction of the groove forming wheel 32, wherein the contact detecting block 38a is slightly inclined upward by the spring force of the contact switch 46. Position (see A in FIG. 5). When the lens 5 is lowered and the lens 5 is in contact with the groove forming wheel 32, the touch sensing block 38a is inclined slightly downwards, and the contact switch driving portion extending from the touch sensing block 38a ( 48 moves several mu m to operate the contact switch 46 (see FIG. 5B). In this way, the position of the lens 5 in which the contact switch 46 operates, that is, the position of the carriage 12 is determined as the "processing initial position". The position of the lens 5 differs from the actual contact position of the lens 5 and the groove forming wheel 32 by several micrometers, but this degree of error does not cause a big problem in processing. After the "processing initial position" is set in this manner, the position control block 183 is lowered by a predetermined distance, for example, 0.3 mm, and the groove forming wheel 32 is rotated at a high speed. 5) and the carriage 12 are lowered by 0.3 mm, and a groove having a depth of 0.3 mm is formed at the edge of the lens (see FIG. 5C). While grooving is in progress, the contact sensing block 38a is inclined downward, and the contact switch 46 is pushing the contact switch driver 48 extending from the touch sensing block 38a. The machining is made faster and cleaner, and as the grooving proceeds, the contact sensing block 38a gradually rotates counterclockwise. Therefore, when the grooving is completed, the contact switch 46 returns to its original position before processing and is turned off. When the gripping switch 46 is turned off, the driving of the grooving wheel 32 is stopped and the grooving is terminated. . 6 is a cross-sectional view of the spectacle lens manufactured by the spectacle lens processing method according to an embodiment of the present invention, the depth (D) of the groove is 0.3 ~ 0.5mm, the width (W) is 0.6 ~ 0.8mm, the carriage The position L of the groove can also be freely set by the position control of (12).

4A and 4B, a method of processing the shape of the lens using the spectacle lens processing apparatus according to the embodiment of the present invention will be described in detail. First, when the polishing of the lens is required, the lens is fixed between the pair of lens fixing shafts 10, and the lens rotation motor 13 is driven so that the portion to be polished of the lens faces the polishing wheel 20. Next, the lens 12 and the diamond polishing wheel 20 fixed to the lens fixing shaft 10 by moving the carriage 12 up, down, left and right by operating the left and right driving means 16 and the up and down driving means 18. ) And the lens are processed by rotating the diamond polishing wheel 20 at high speed. Here, the left and right driving means 16 for moving the carriage 12 left and right is rotated by the left and right feed motor 162 and the left and right feed motor 162 fixedly mounted to the base plate 100, the carriage ( The left and right transfer screw 164 is screwed to one end of 12) can be used. In addition, the vertical direction driving means 18 for vertically moving the carriage 12 is rotated by the vertical feed motor 182 and the vertical feed motor 182, the position control block for supporting the other end of the carriage 12 Up and down transfer screw 184, which is screwed to (183) can be used. When the vertical feed motor 182 operates to rotate the vertical feed screw 184, the position control block 183 screwed to the vertical feed screw 184 moves up and down, and thus, the position control block 183 The carriage 12 supported by) rotates around the carriage moving shaft 14. In this case, the movement direction of the carriage 12 and the position control block 183 may be constrained using the direction guide 145. When the carriage 12 is moved upward, the lens is fixed to the lens fixing shaft 10 of the carriage 12, and the carriage 12 is moved downward again. At some point, the carriage 12 is fixed. The lens and the diamond polishing wheel 20 are in contact with each other, and this is the "machining initial position" of the lens polishing. In this state, the position control block 183 screwed to the transfer screw 184 is lowered to the position where the lens is required to be polished, and the polishing wheel 20 is rotated to polish the lens. Is lowered, the carriage 12 is lowered, and when the contact switch 147 attached to the position control block 183 is operated, the rotation of the polishing wheel 20 is stopped to complete the polishing of the lens. When the polishing of the lens is completed as described above, the carriage 12 is moved to the grooving position, and the grooving unit 30 is operated as described above to perform the grooving operation of the lens.

As described above, the spectacle lens processing apparatus and method according to the present invention can accurately detect the contact between the lens and the groove forming wheel, thereby precisely forming the groove in a desired depth and shape, and excessive load on the groove forming wheel. Since it does not take, there is an advantage that mechanical stability and excellent durability. In addition, the spectacle lens processing apparatus according to the present invention has a merit that the grooving process can be stably performed since a constant force is applied to the groove forming wheel by a spring during the grooving process. The spectacle lens processing apparatus according to the present invention may be applied to various lens processors, but may be particularly useful for patternless lens processors.

Claims (8)

  1. A carriage for supporting a pair of lens fixing shafts for fixing both sides of the lens to be processed, for moving the position of the lens fixing shaft;
    A lens rotation motor for rotating the pair of lens fixing shafts;
    A carriage moving shaft mounted at one end of the carriage to move the carriage;
    Vertical drive means mounted to the other end of the carriage to rotate the carriage in a rotational direction of the carriage moving shaft; And
    A groove forming part, wherein the groove forming part comprises: a groove forming wheel for forming a groove in an edge of the lens; A wheel rotation motor for rotating the groove forming wheel; A wheel shaft supporting the groove forming wheel; A contact sensing block mounted at one end thereof and having a contact switch driver formed at the other end thereof, and contacting the groove forming wheel with a lens, the contact sensing block moving a predetermined distance together with the wheel axis; And a contact switch operated by the contact switch driver according to the movement of the contact sensing block.
  2. The method of claim 1, further comprising a lower fixing block for supporting the touch sensing block, the touch sensing block is hinged to the lower fixing block is to move a predetermined distance, the contact switch to the lower fixing block Glasses lens processing apparatus that is attached.
  3. The wheel shaft and the contact sensing block, one end is coupled to the wheel shaft, the other end is rotatably mounted to the contact sensing block, a wheel movement rotating member for changing the position of the wheel shaft It is coupled to each other, the spectacle lens processing apparatus further comprising a wheel movement motor for rotating the wheel movement rotating member.
  4. The spectacle lens processing apparatus according to claim 1, wherein the contact switch can push the contact sensing block by an elastic force to position the contact sensing block at an initial position.
  5. The spectacle lens processing apparatus according to claim 1, wherein the contact sensing block returns to the initial position by the elastic force of the contact switch as the groove forming wheel forms a groove on the lens edge.
  6. A groove forming wheel for forming a groove in an edge of the lens; A wheel rotation motor for rotating the groove forming wheel; A wheel shaft supporting the groove forming wheel; In the method for processing the spectacle lens by using a grooving unit including a contact detecting block for supporting the wheel shaft,
    Moving the lens to contact the lens with the grooved wheel;
    Causing the touch sensing block to move a predetermined distance by a force generated by the contact between the groove-forming wheel and a lens;
    Determining the lens position at this time as a "processing initial position" when the touch switch is operated by the movement of the touch sensing block; And
    And driving the groove forming wheel to form a groove in the lens while moving the lens a predetermined distance from the "processing initial position" toward the groove forming wheel.
  7. 7. The spectacle lens processing method according to claim 6, further comprising the step of returning the contact sensing block to an initial position as the groove forming wheel forms a groove in the lens.
  8. The spectacle lens processing method according to claim 7, wherein the operation of the contact switch is stopped when the contact detecting block returns to the initial position.
KR1020040093160A 2004-11-15 2004-11-15 Apparatus and method for processing eyeglass lens KR100623878B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100715124B1 (en) * 2005-05-31 2007-05-10 주식회사 휴비츠 Apparatus for processing eyeglass lens having improved groove forming member
KR20180010450A (en) * 2016-07-21 2018-01-31 주식회사 휴비츠 Apparatus for processing eyeglass lens
KR20180072040A (en) * 2016-12-20 2018-06-29 주식회사 휴비츠 Method for processing edge of eyeglass lens
KR20180072039A (en) * 2016-12-20 2018-06-29 주식회사 휴비츠 Apparatus for processing edge of eyeglass lens
US10576600B2 (en) 2016-12-20 2020-03-03 Huvitz Co., Ltd. Apparatus for processing edge of eyeglass lens

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100715124B1 (en) * 2005-05-31 2007-05-10 주식회사 휴비츠 Apparatus for processing eyeglass lens having improved groove forming member
KR20180010450A (en) * 2016-07-21 2018-01-31 주식회사 휴비츠 Apparatus for processing eyeglass lens
KR101869687B1 (en) * 2016-07-21 2018-06-21 주식회사 휴비츠 Apparatus for processing eyeglass lens
KR20180072040A (en) * 2016-12-20 2018-06-29 주식회사 휴비츠 Method for processing edge of eyeglass lens
KR20180072039A (en) * 2016-12-20 2018-06-29 주식회사 휴비츠 Apparatus for processing edge of eyeglass lens
US10576600B2 (en) 2016-12-20 2020-03-03 Huvitz Co., Ltd. Apparatus for processing edge of eyeglass lens

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