JPH0811351B2 - Eyeglass lens processing system - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a spectacle lens processing network system in which a computer is connected with a plurality of ball mills and a plurality of spectacle frame shape measuring devices.

(Prior Art) A spectacle frame shape measuring device that measures the shape of a spectacle frame and outputs it as electronic data is disclosed, for example, in Japanese Patent Application No. 60-287491 filed previously by the present applicant. Further, a ball-sliding machine that grinds a lens based on the eyeglass frame shape data as electronic data from the eyeglass frame shape measuring device is, for example, in Japanese Patent Application No. 60-115079 filed by the applicant earlier. It is disclosed.

(Problems to be Solved by the Invention) Conventionally, the above-mentioned ball slicing machine and an eyeglass frame shape measuring device are integrated or set as one set and installed in an eyeglass store, and a prescription lens is processed into an eyeglass frame selected by a customer. The general method is to put the frames in and supply the glasses.

In recent years, the chain of eyeglass stores has advanced, and only each eyeglass frame shape measuring device is installed in each eyeglass store, and a plurality of ball shaving machines are arranged in one processing center, and these are connected by a computer and a public communication network. Networking to connect has come to be required.

There are the following problems in this networking.

The spectacle frame shape measuring device installed at each spectacle store has its own measurement error.

Each of the plurality of ball slicing machines arranged at the processing center also has its own processing error.

The ball-sliding machine to which the measurement data of the spectacle frame measured by the spectacle frame shape measuring device of a certain spectacle store is transferred and connected to the computer via the public communication line network is not always one specific machine but changes.

Then, in response to the occurrence of these errors and the like, the measurement error of each spectacle frame shape measuring device and the processing error of the ball shaving machine are known, and the spectacle frame shape measuring device and the ball slicing machine are constantly maintained so that there is no error. The management increases the number of spectacle frame shape measuring devices and slicing machines accompanying the increase in the number of spectacle stores, and as a practical problem, the expense is unrealistic.

Moreover, if this maintenance management is neglected, because of the above situation, the combination of the eyeglass frame shape measuring device via the computer and the public communication line network and the ball-sliding machine will vary from time to time, The stacking amount of the measurement error of the spectacle frame shape measuring device and the processing error of the ball shaving machine becomes even more diverse, and the processing accuracy of the lens with respect to the spectacle frame cannot be guaranteed at all.

An object of the present invention is to solve such a problem.

(Means and Actions for Solving the Problem) In order to solve this problem, an eyeglass lens processing system according to the present invention is an eyeglass lens processing system including a plurality of eyeglass frame shape measuring means, a plurality of scouring machines, and a computer. In the system, the computer is a storage unit that stores a measurement error amount specific to each of the plurality of eyeglass frame shape measuring units and a processing error amount specific to each of the plurality of ball shaving machines,
Processing data by correcting the shape data of the spectacle frame by the spectacle frame shape measuring means from the measurement error amount peculiar to the spectacle frame shape measuring means measuring the shape data and the machining error amount peculiar to the selected grinding machine. And a calculation means for obtaining

Moreover, at least one eyeglass frame shape measuring means is provided in each of a plurality of eyeglass stores, and the computer and the plurality of ball shaving machines are provided in a processing center, and each of the eyeglass frame shape measuring means and the computer are provided. Is configured to exchange the shape data via a public communication line network.

Further, another spectacle lens processing system of the present invention is a spectacle lens processing system including a plurality of spectacle frame shape measuring means, a plurality of ball shaving machines having or connected to a computing device, and a computer; Is a storage unit for storing a measurement error amount peculiar to each of the plurality of eyeglass frame shape measuring units and a machining error amount peculiar to each of the plurality of ball shaving machines, the measurement error amount and the processing error amount. And a transfer means for transferring the eyeglass frame shape measuring means of the eyeglass frame shape measuring means transferred from the computer, from the computer. The measurement error amount peculiar to the eyeglass frame shape measuring means that measured the transferred shape data, and the ball-slicing machine transferred from the computer. It is characterized in that it is configured to obtain processing data by performing correction based on the unique processing error amount.

Moreover, at least one eyeglass frame shape measuring means is provided in each of a plurality of eyeglass stores, and the computer and the plurality of ball shaving machines are provided in a processing center, and each of the eyeglass frame shape measuring means and the computer are provided. Is configured to exchange the shape data via a public communication line network.

Further, another spectacle lens processing system of the present invention comprises a plurality of spectacle frame shape measuring means having a first calculating means built therein or connected thereto, a plurality of scoring machines having a second calculating means included therein or connected thereto, and a computer. A spectacle lens processing system, wherein the first computing means stores a measurement error amount peculiar to the spectacle frame shape measuring means which is incorporated or connected, and the spectacle frame measuring means measures the spectacle frame shape measuring means. Has a calculation function of correcting the shape data of the shape data with the measurement error amount; the computer has a function of selecting the ball grinding machine and transferring the corrected shape data to the selected ball grinding machine; The second computing means stores a machining error amount peculiar to a ball-sliding machine in which it is built-in or connected, and further corrects the corrected shape data with the machining error amount, It is characterized by having a calculation function for obtaining data.

Further, at least one eyeglass frame shape measuring means having the first computing means built-in or connected thereto is provided in each of a plurality of eyeglass stores, and the computer and the plurality of ball mills are provided in a processing center. The first computing means and the computer are configured to exchange the corrected shape data via a public communication network.

(Example) Hereinafter, one example of a spectacle lens processing system according to the present invention will be described with reference to the drawings.

[First Embodiment] (1) Processing system In FIG. 1, eyeglass store (store) OS _{1 to} store OS _n
Each have at least one frame reader FR _{1 to} FR _n which is a spectacle frame shape measuring device (spectacle frame shape measuring means). The structure of the frame reader is the same as that disclosed in the above-mentioned Japanese Patent Application No. 60-287491, and therefore its explanation is omitted.

The measurement data of the frame reader FR ₁ ~FR _n via the personal computer (PC) PC ₁ ~PC _n, VA
Transferred to the processing center MC by NW public communication network (information network) NW.

This processing center MC has a plurality of ball-slicing machines LE _{1 to} LE _m , and these ball-sliding machines LE _{1 to} LE _m are connected to a personal computer (personal computer) PC _k via an interface IF as a transfer means thereof. ing. Since the structure of the ball slicing machine has the same structure as that disclosed in Japanese Patent Application No. 60-115079, the description thereof will be omitted.

The personal computer PC _k has a central processing unit (CPU) 10 as a calculation means, a memory 1 and a memory 2.

(2) Processing sequence Frame reader FR ₁ error amount measurement Each store OS _{1 to} OS _n measures the reference frame F shown in FIG. 2 at each FR and processes the data ( ₁ ρ _i , θ _i ). Transfer to center MC.

For this reference frame, a metal plate P in which a reference hole H having a lens frame shape F ₁ is punched is used (see FIG. 2A). As the reference frame, reference radial data ( ₀ ρ _i , θ _i ) [i = 0,1,
2, ... N] (see FIG. 2 (b)) are prepared in advance for each predetermined angle. Here, the inner surface of the reference hole H is formed as a plane perpendicular to the plate surface. This reference radial data is stored in advance in the PC _k of the machining center MC.

Then, for example, in the case of obtaining the measurement error of the frame reader FR ₁ store OS _1, the reference radius vector data ₍₀ [rho _i by the frame reader FR ₁ store OS ₁ the radius vector data of the reference frame of the above, theta _{i) [i = 0,1,2, ...} N] was measured in response to a new measurement radial data by the frame reader FR ₁ (
₁ ρ _i , θ _i ) [i = 0,1,2, ... N] is obtained. The measurement data of the frame reader FR ₁ is transferred via the personal computer PC ₁ to the personal computer PC _k of the processing center MC via the public communication network NW such as VAN.

This personal computer PC _k measures and transfers the measured radial data ( ₁ ρ _i , θ _i ) [i = 0,1,2, ... N] and known reference radial data ( ₀ ρ _i , θ _i). ) [I = 0,1,2, ... N], the difference f _i between ₁ ρ _i and ₀ ρ _i is calculated for each radial angle θ ₁ , and this difference f _i is calculated as Get as.

Further, the personal computer PC _k, based on the difference between ₁ f ₀ ~ ₁ f _N obtained, calculates the average measurement error amount F ₁ from formula (A).

This average measurement error amount F ₁ is stored in the memory 1 which is the storage means of the processing center MC as a measurement error amount specific to the frame reader FR ₁ .

Similarly, the store OS ₂ even ～OS _n, same measurement reference frame in the frame reader FR ₂ ~FR _n each store OS ₂ ~OS _n, each of the measurement error amount F ₂ to F _N PC PC _k Is calculated and stored in the memory 1 which is a storage means.

Measurement of machining error amount of ball-sliding machine LE _i This measurement is performed using reference lens data.

The reference radial data ( ₀ ρ _i ,
θ _i ) [i = 0,1,2, ... N] also matches the reference lens data, so the reference radial data is previously stored in the machining center MC.
Of the personal computer PC _k to the reference lens data _{(0 ρ i, θ i)} [i
= 0,1,2, ... N].

Then, for example, when obtaining the processing error amount of the ball-sliding machine LE ₁ of the processing center MC, the above-mentioned reference lens data ( ₀
ρ _i , θ _i ) [i = 0,1,2, ... N] is used to process the lens into a frame shape with the ball-slicing machine LE ₁ , and the radius vector of the processed lens is used as reference lens data ( ₀ ρ _i , θ _i ) [i = 0,1,2, ...
N] to measure with a measuring jig such as a caliper to measure the moving radius of the processed lens ( ₁ ρ ′ _i , θ _i ).
Obtain [i = 0,1,2, ... N]. Measuring the radius vector obtained by this measurement _{(1 ρ 'i, θ i} ) [i = 0,1,2, ... N] is a personal computer
Input to PC _k .

This personal computer PC _k uses the input measured radial data ( ₁
ρ ′ _i , θ _i ) [i = 0,1,2, ... N] and known reference lens data ( ₀ ρ _i , θ _i ) [i = 0,1,2, ... N] The difference K _i between ₁ ρ ′ _i and ₀ ρ _i is calculated for each radial angle θ ₁ , and this difference K _i is Get as.

Further, the personal computer PC _k calculates the average machining error amount L ₁ from the equation (B) based on the obtained difference ₁ K ₀ to ₁ K _N.

This average processing error amount L ₁ is stored in the memory 2 which is a storage unit of the processing center MC as a unique processing error amount of the ball slide machine LE ₁ .

Similarly, in the grinding machines LE _{2 to} LE _N , similar processing error amounts L _{2 to} L _N are calculated by the personal computer PC _k and stored in the memory 2.

(2) Machining sequence After the preparation of the machining sequence is completed in the above,
The procedure from frame selection to lens processing in each store OS will be described below with reference to the flowchart shown in FIG. As an example, this explanation is for store OS ₂ and ball mill L
This is for the case of using E ₁ .

Step 10 (S-10) In the store OS ₂ , the frame reader FR ₂ provided is used to measure the spectacle frame selected by the customer.

Step 11 (S-11) The measurement data ( ₂ ρ _i , θ _i ) of the spectacle frame measured by the frame reader FR ₂ and the identification signal of the store OS ₂ are
Transfer to PC PC _{k of} processing center MC via PC PC ₂ installed in store OS ₂ and public communication network NW.

Step 12 (S-12) The personal computer PC _k recognizes from the identification signal transferred from the store OS ₂ that the sent measurement data is measured by the frame reader FR ₂ of the store OS ₂ and stores it in the memory. 1 reads the measurement error amount F ₂ of the frame reader FR ₂ from input to CPU 10.

Step 13 (S-13) The personal computer PC _k is, for example, a ball shaving machine L in the processing center MC.
Select the LE ₁ which is not currently in use from E _{1 to} LE _m .

Step 14 (S-14) The personal computer PC _k reads the processing error amount L ₁ of the selected ball-sliding machine LE ₁ from the memory 2 and inputs it to the CPU 10.

Step 15 (S-15) The CPU 10 of the personal computer PC _k measures the frame measurement data ( ₂ ρ _i , θ _i ) transferred from the store OS ₂ and the measurement error amount specific to the frame reader FR ₂ read from the memory 1. F ₂ and
Machining error amount L ₁ peculiar to the ball mill LE ₁ read from the memory 2
Then, the processing data (▲ ▼, θ _i ) is obtained from the equation (C). ₂ ρ _i = ₂ ρ _i + F ₂ + L ₁ [i = 0,1,2, ... N] (C) Step 16 (S-16) Processing data (▲ ▼, θ) obtained in Step 15
Based on _i ), the lens ordered by the customer is processed with the ball-slicing machine LE ₁ .

Second Embodiment FIG. 4 shows a second embodiment of the present invention.

This embodiment, the operation of processing data performed in the personal computer PC _k in the first embodiment, provided in Tamasuri machine LE ₁ ~LE _m CPU20-1~C
This shows an example in which it is executed by PU20-n. Since the actual arithmetic processing is the same as that of the first embodiment, its explanation is omitted. The measurement error amount of the memory 1 of the personal computer PC _k and the processing error amount of the memory 2 are transferred to the CPU 2 provided in the ball mills LE _{1 to} LE _m via an interface IF as a transfer means.
0-1 to CPU20-n.

[Third Embodiment] FIG. 5 shows a third embodiment of the present invention.

In this embodiment, the frame reader FR _{1 is} installed in each store OS _{1 to} OS _n.
~ FR _n are arranged respectively and each frame reader FR ₁
Each frame can be measured with ~ FR _n . Amount of measurement error peculiar to each frame reader FR _{1 to} FR _n
F _{1 to} F _n are the memories M _{1 to} M _n of the PCs PC _{1 to} PC _n of each store OS.
To be stored in each. Each PC PC ₁
To PC _n has CPU1-1~CPU1-n as the first calculation means.

The measurement of the frame, which is measured by the frame reader FR _j of the store OS _j data _{FR j (j ρ i, θ} i) [j = 1,2, ...
N] is input to the personal computer PC _j of the store OS _j . The CPU 1- _j of the personal computer PC _j of the store OS _j measures the measurement data FR _j ( _j ρ _i ,
When θ _i ) is input, the measurement error amount F _j [j = 1,2, ... n] stored in the memory M _j is read and the measurement data FR _j (
_{j ρ i, θ i)} measurement error amount F corrected frame data corrected by _{j (j ρ 'i,} computes the theta _i).

The personal computer PC _j of the store OS _j sends the calculated correction frame data ( _j ρ ′ _i , θ _i ) and the identification signal to the public communication network.
Transfer to PC _k of processing center MC via NW.

When the identification signal is input from the personal computer PC _j of the store OS _j , the personal computer PC _k receives, for example, a grinding machine in the processing center MC.
From the LE _{1 to} LE _m , the currently unused ball-sliding machine LE ₁ is selected and the corrected frame data ( _j ρ ′ _i , θ _i ) is transferred to the CPU 30-1 of the ball-sliding machine LE ₁ . Note that the memory m ₁ ~m _m of lens edging machine LE ₁ ~LE _m machining center MC, keep each stored in advance its own processing error amount L ₁ ~L _m. In addition, the ball slicing machine LE _{1 to} LE _m
Has a CPU 30-1 to a CPU 30-n as second calculating means.

Then, when the corrected frame data ( _j ρ ′ _i , θ _i ) is input, the CPU 30-1 of the selected ball-sliding machine LE ₁ uses the unique processing error amount L _{1 in the} same manner as in the first embodiment. The corrected processing data ( _i , θ _i ) is calculated, and the lens shape processing is performed based on this data.

(Effect of the Invention) Since the present invention is configured as described above, in the case where the eyeglass frame shape measuring device has a measurement error peculiar to the device, and the plurality of grinding machines also have processing errors peculiar to each of them. Even if the measurement data of the eyeglass frame measured by a certain eyeglass frame shape measuring device is used as data for any of the plurality of ball shaving machines, the measurement error of each spectacle frame shape measuring device or the processing error of the ball shaving machine is performed. Therefore, it is possible to easily perform maintenance management of the spectacle frame shape measuring device and the shaving machine without any error.

[Brief description of drawings]

FIG. 1 is a first diagram of a spectacle lens processing system according to the present invention.
It is explanatory drawing which shows an Example. FIG. 2 shows a reference frame, where (a) is a plan view and (b) is an explanatory diagram of reference radial data. FIG. 3 is a flowchart showing the processing procedure. FIG. 4 is an explanatory diagram showing a second embodiment of the spectacle lens processing system. FIG. 5 is an explanatory diagram showing a third embodiment of the spectacle lens processing system. 1, 2 ... Memory (storage means) 1-1 to 1-n ... CPU (first calculation means) 10, 20-1 to 20-n ... CPU (calculation means) 30-1 to 30-n ... … CPU (second calculation means) FR _{1 to} FR _n …… Frame reader (spectacle frame shape measuring means) IF …… Interface (transfer means) LE ₁ to LE _m ………… Throwing machine OS _{1 to} OS _n …… Store (glasses store) PC _1- PC _n , PC _k …… PC (computer) MC …… Processing center NW …… Public communication line

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location G05B 19/418

Claims (6)

[Claims] 1. A spectacle lens processing system comprising a plurality of spectacle frame shape measuring means, a plurality of scouring machines, and a computer, wherein the computer is a unique measurement for each of the plurality of spectacle frame shape measuring means. A storage unit that stores an error amount and a unique processing error amount of each of the plurality of ball shaving machines, and the spectacle frame shape measuring unit that measures the shape data of the spectacle frame by the spectacle frame shape measuring unit to the spectacle frame shape measuring unit. An eyeglass lens processing system, comprising: an arithmetic means for correcting the intrinsic measurement error amount and the machining error amount peculiar to the selected ball mill to obtain processing data. 2. The at least one eyeglass frame shape measuring means is provided in a plurality of eyeglass stores, and the computer and the plurality of ball shaving machines are provided in a processing center.
The eyeglass lens processing system according to claim 1, wherein the eyeglass frame shape measuring means and the computer are configured to exchange the shape data via a public communication network. 3. A spectacle lens processing system comprising a plurality of spectacle frame shape measuring means, a plurality of grinding machines having a computing device built in or connected thereto, and a computer; wherein the computer is the plurality of spectacle frame shapes. Storage means for storing a measurement error amount peculiar to each of the measuring means and a machining error amount peculiar to each of the plurality of ball grinding machines, and the measurement error amount and the machining error amount are transferred to the ball grinding machine. The arithmetic unit of the ball shaving machine measures the shape data of the eyeglass frame by the eyeglass frame shape measuring means transferred from the computer, and measures the shape data transferred from the computer. Corrected from the measurement error amount peculiar to the spectacle frame shape measuring means and the processing error amount peculiar to the scoring machine transferred from the computer. ,
An eyeglass lens processing system, which is configured to obtain processing data. 4. The spectacle frame shape measuring means is provided in a plurality of spectacle stores for each at least one, and the computer and the plurality of ball shaving machines are provided in a processing center.
4. The eyeglass lens processing system according to claim 3, wherein each of the eyeglass frame shape measuring means and the computer are configured to exchange the shape data via a public communication line network. 5. A spectacle lens processing system comprising a plurality of eyeglass frame shape measuring means having a first arithmetic means incorporated therein or connected thereto, a plurality of scoring machines having a second arithmetic means incorporated therein or connected thereto, and a computer. The first calculation means stores a measurement error amount specific to the spectacle frame shape measuring means which is built in or connected to the first calculation means, and the shape data of the spectacle frame measured by the spectacle frame shape measuring means is stored in the measurement error amount. The computer has a function to correct the shape data, and the computer has a function to select the ball-sliding machine and transfer the corrected shape data to the selected ball-sliding machine; Has a calculation function of storing a machining error amount unique to the built-in or connected ball-slicing machine, further correcting the corrected shape data with the machining error amount, and obtaining processing data. Eyeglass lens processing system, characterized in that. 6. A spectacle frame shape measuring means including or connected to the first computing means is provided in a plurality of spectacle stores for each at least one, and the computer and the plurality of the ball shaving machines are provided in a processing center. 6. The eyeglass lens processing system according to claim 5, wherein the respective first arithmetic means and the computer are configured to exchange the corrected shape data via a public communication line network. .