CN104181700A

CN104181700A - Lens centering and tabletting all-in-one machine and centering and tabletting method thereof

Info

Publication number: CN104181700A
Application number: CN201410377285.0A
Authority: CN
Inventors: 刘培群; 刘义兵; 孙昭; 刘力威
Original assignee: NINGBO FLO OPTICAL CO Ltd
Current assignee: NINGBO FLO OPTICAL CO Ltd
Priority date: 2014-08-01
Filing date: 2014-08-01
Publication date: 2014-12-03
Anticipated expiration: 2034-08-01
Also published as: CN104181700B

Abstract

The invention relates to a lens centering and tabletting all-in-one machine and a centering and tabletting method of the lens centering and tabletting all-in-one machine. The lens centering and tabletting all-in-one machine comprises an LED green light source assembly, a drive device and a beam focusing device, wherein the drive device comprises a drive motor and a synchronous belt pulley assembly, the drive motor controls a supporting frame to rotate through the synchronous belt pulley assembly, a sucking plate is arranged right below the supporting frame, the sucker and a lens are correspondently arranged through the rotation of the supporting frame, and the lens is arranged on the beam focusing device; the beam focusing device comprises a Hartmann optical grating, a liquid crystal display screen and a CCD image sensor, the Hartman optical grating is arranged right above the liquid crystal display screen, and the CCD image sensor is arranged in the liquid crystal display screen; the LED green light source assembly corresponding to the beam focusing device is fixed right above a lens tube, the LED green light source assembly comprises an LED lamp, a small porous plate and an optical lens, the LED lamp is arranged right above the small porous plate, and the optical lens is installed inn the lens tube. The lens centering and tabletting all-in-one machine has beneficial effects of high precision and convenience in operation.

Description

A kind of eyeglass centering compressing tablet all-in-one and centering tabletting method thereof

Technical field

The present invention relates to machining eyeglass technical field, relate in particular to a kind of eyeglass centering compressing tablet all-in-one and centering tabletting method thereof.

Background technology

The multiple working procedure that is processed with to ophthalmic lens in the market, and particularly centering operation and sheeting process, on current processing mode or carry out at two different processing unit (plant)s, existence is in process like this, can produce certain deviation, thereby affect the machining accuracy of eyeglass.

Summary of the invention

The object of the invention is to overcome the deficiency that prior art exists, and a kind of easy and simple to handle, eyeglass centering compressing tablet all-in-one and centering tabletting method thereof that centering degree of accuracy is high are provided.

The object of the invention is to complete by following technical solution, comprise LED green light source assembly, drive unit and alignment device, described drive unit comprises drive motor and synchronous pulley component, described drive motor is fixed on table top, this drive motor is controlled bracing frame by synchronous pulley component and is rotated, in the main body of this drive unit, be also provided with and trigger the switch that drive motor starts reversion, under this bracing frame, be provided with sucker, sucker is by the rotation layout corresponding with eyeglass of bracing frame, and eyeglass is positioned on alignment device; Described alignment device comprises Hartmann's grating, LCDs and ccd image sensor, Hartmann's grating be positioned at LCDs directly over, ccd image sensor is positioned at LCDs; The LED green light source assembly corresponding with this alignment device be fixed on lens barrel directly over, LED green light source assembly includes LED lamp, aperture plate and lens, LED lamp be positioned at aperture plate directly over, lens are loaded in lens barrel; The intersection point at the light emitting source of described LED lamp, aperture plate center, lens center, lens optical center and Hartmann's grating center is on same straight line.

As preferably, on described Hartmann's grating, offer several holes, be provided with five macropores in these some holes, one of them macropore is positioned at the center of Hartmann's grating, all the other four macropores are around the periphery of this center macropore, and these four macropores are mutually 90 ° of distributions.

As preferably, described ccd image sensor is connected with LCDs by arithmetic control circuit, and the clock signal that CCD driving circuit produces is controlled opening and closing of LED lamp.

A centering tabletting method for eyeglass centering compressing tablet all-in-one based on above-mentioned, comprises the steps:

1), rotate LED green light source assembly, vertical with the LCDs in alignment device;

2), eyeglass is put in LCDs, start LED lamp as green light source simultaneously, by aperture plate, the light of its ejaculation is concentrated, by lens barrel inner thread line layout and lens, change the light of diffusion into vertical directional light again, directional light projects on eyeglass, by eyeglass, reflect and enter Hartmann's grating, two dimension light quantity distribution is at the ccd image sensor that carries out Photoelectric Detection, the two-dimentional light quantity distribution detecting according to ccd image sensor, calculate the optical centre of detected eyeglass, and the pattern by pattern is presented in LCDs by data such as result of calculations,

3), in LCDs, blue cross wire will be shown, the parallel beam passing through by five macropores of Hartmann's grating is imaged on the deviate of 0 distance of basis coordinates on ccd image sensor and adjusts the blue cross wire deviation in lens optical center and liquid crystal display, be that the optical centre of eyeglass is adjusted to the blue cross wire in LCDs and overlaps, its state is: thin blue cross wire chap;

4), LED green light source assembly resets;

5), on sucker, paste double faced adhesive tape, and start drive motor, automatic lens pressing.

Beneficial effect of the present invention is: the centralising device of eyeglass and preforming device design are to all-in-one, have high, the easy to operate feature of centering degree of accuracy.

Accompanying drawing explanation

Fig. 1 is perspective view of the present invention.

Fig. 2 is the structural representation between LED green light source assembly of the present invention, alignment device and eyeglass.

Fig. 3 be ccd image sensor of the present invention with each parts between be connected block diagram.

Fig. 4 is the structural representation of Hartmann's grating of the present invention.

Fig. 5 is the distributed architecture schematic diagram of cross wire in LCDs of the present invention.

Fig. 6 is the structural representation of aperture plate of the present invention.

Label in accompanying drawing is respectively: 1, LED green light source assembly; 2, alignment device; 3, drive unit; 4, table top; 5, bracing frame; 6, sucker; 7, eyeglass; 8, lens barrel; 11, LED lamp; 12, aperture plate; 13, lens; 21, Hartmann's grating; 22, LCDs; 23, ccd image sensor; 24, arithmetic control circuit; 25, CCD driving circuit; 31, drive motor; 32, synchronous pulley component; 211, hole; 212, macropore; 221, cross wire.

Embodiment

Below in conjunction with accompanying drawing, the present invention is done to detailed introduction: as accompanying drawing 1, 2, shown in 6, the present invention includes LED green light source assembly 1, drive unit 3 and alignment device 2, described drive unit 3 comprises drive motor 31 and synchronous pulley component 32, described drive motor 31 is fixed on table top 4, this drive motor 31 is controlled bracing frame 5 by synchronous pulley component 32 and is rotated, in the main body of this drive unit 3, be also provided with and trigger the switch that drive motor starts reversion, under this bracing frame 5, be provided with sucker 6, sucker 6 is by the rotation and the corresponding layout of eyeglass 7 of bracing frame 5, eyeglass 7 is positioned on alignment device 2, when sucker 6 contacts and adsorbs eyeglass 7, trigger switch under the effect of mechanical hook-up, starts reversion, and sucker 6 direction revolutions are avoided because eyeglass 7 thickness are different, causing crushing eyeglass.Described alignment device 2 comprises Hartmann's grating 21, LCDs 22 and ccd image sensor 23, Hartmann's grating 21 be positioned at LCDs 22 directly over, ccd image sensor 23 is positioned at LCDs 22; The LED green light source assembly 1 corresponding with this alignment device 2 be fixed on lens barrel 8 directly over, LED green light source assembly 1 includes LED lamp 11, aperture plate 12 and lens 13, LED lamp 11 be positioned at aperture plate 12 directly over, lens 13 are loaded in lens barrel 8; The intersection point at the light emitting source of described LED lamp 11, aperture plate 12 centers, lens 13 centers, eyeglass 7 optical centres and Hartmann's grating 21 centers is on same straight line.

As shown in Figure 4, on described Hartmann's grating 21, offer several holes 211, in these some holes 211, be provided with five macropores 212, one of them macropore is positioned at the center of Hartmann's grating, all the other four macropores are around the periphery of this center macropore, and these four macropores are mutually 90 ° of distributions.

As shown in Figure 3, described ccd image sensor 23 is connected with LCDs 22 by arithmetic control circuit 24, the clock signal that CCD driving circuit 25 produces is controlled opening and closing of LED lamp 11, while measuring, open and also holding state under closed, save the energy.

The centering tabletting method of eyeglass centering compressing tablet all-in-one of the present invention, comprises the steps:

1, rotate LED green light source assembly 1, vertical with the LCDs 22 in alignment device 2;

2, eyeglass 7 is put in LCDs 22, start LED lamp 11 as green light source simultaneously, by aperture plate 12, the light of its ejaculation is concentrated, by lens barrel 8 inner thread lines layouts and lens 13, change the light of diffusion into vertical directional light again, directional light projects on eyeglass 7, by eyeglass 7 refractions, enter Hartmann's grating 21, two dimension light quantity distribution is being carried out the ccd image sensor 23 of Photoelectric Detection, the two-dimentional light quantity distribution detecting according to ccd image sensor 23, calculate the optical centre of detected eyeglass 7, and the pattern by pattern is presented in LCDs 22 by data such as result of calculations,

3, in LCDs 22, blue cross wire 221 (as shown in Figure 5) will be shown, the parallel beam passing through by 21 5 macropores 212 of Hartmann's grating is imaged on the deviate of 0 distance of basis coordinates on ccd image sensor 23 and adjusts blue cross wire 221 deviations in eyeglass 7 optical centre positions and liquid crystal display 22, be that the optical centre of eyeglass 7 is adjusted to the blue cross wire 221 in LCDs 22 and overlaps, its state is: thin blue cross wire chap;

4, LED green light source assembly 1 resets;

5, on sucker 6, paste double faced adhesive tape, and start drive motor 31, automatic lens pressing 7.

Be understandable that, for a person skilled in the art, technical scheme of the present invention and inventive concept are equal to replace or change all should belong to the protection domain of the appended claim of the present invention.

Claims

1. an eyeglass centering compressing tablet all-in-one, comprise LED green light source assembly (1), drive unit (3) and alignment device (2), it is characterized in that: described drive unit (3) comprises drive motor (31) and synchronous pulley component (32), described drive motor (31) is fixed on table top (4), this drive motor (31) is controlled bracing frame (5) by synchronous pulley component (32) and is rotated, in the main body of this drive unit (3), be also provided with and trigger the switch that drive motor starts reversion, under this bracing frame (5), be provided with sucker (6), sucker (6) is by the rotation and the corresponding layout of eyeglass (7) of bracing frame (5), eyeglass (7) is positioned on alignment device (2), described alignment device (2) comprises Hartmann's grating (21), LCDs (22) and ccd image sensor (23), Hartmann's grating (21) be positioned at LCDs (22) directly over, ccd image sensor (23) is positioned at LCDs (22), the LED green light source assembly (1) corresponding with this alignment device (2) be fixed on lens barrel (8) directly over, LED green light source assembly (1) includes LED lamp (11), aperture plate (12) and lens (13), LED lamp (11) be positioned at aperture plate (12) directly over, lens (13) are loaded in lens barrel (8), the intersection point at the light emitting source of described LED lamp (11), aperture plate (12) center, lens (13) center, eyeglass (7) optical centre and Hartmann's grating (21) center is on same straight line.

2. eyeglass centering compressing tablet all-in-one according to claim 1, it is characterized in that: on described Hartmann's grating (21), offer several holes (211), in these some holes (211), be provided with five macropores (212), one of them macropore is positioned at the center of Hartmann's grating, all the other four macropores are around the periphery of this center macropore, and these four macropores are mutually 90 ° of distributions.

3. eyeglass centering compressing tablet all-in-one according to claim 1, it is characterized in that: described ccd image sensor (23) is connected with LCDs (22) by arithmetic control circuit (24), the clock signal that CCD driving circuit (25) produces is controlled opening and closing of LED lamp (11).

4. the centering tabletting method based on eyeglass centering compressing tablet all-in-one claimed in claim 1, is characterized in that: comprise the steps:

1), rotate LED green light source assembly (1), vertical with the LCDs (22) in alignment device (2);

2), eyeglass (7) is put in LCDs (22), start LED lamp (11) as green light source simultaneously, by aperture plate (12), the light of its ejaculation is concentrated, by lens barrel (8) inner thread line layout and lens (13), change the light of diffusion into vertical directional light again, directional light projects on eyeglass (7), by eyeglass (7) refraction, enter Hartmann's grating (21), two dimension light quantity distribution is being carried out the ccd image sensor (23) of Photoelectric Detection, the two-dimentional light quantity distribution detecting according to ccd image sensor (23), calculate the optical centre of detected eyeglass (7), and the pattern by pattern is presented in LCDs (22) by data such as result of calculations,

3), LCDs (22) is upper will show blue cross wire (221), the parallel beam passing through by (21) five macropores of Hartmann's grating (212) is imaged on the deviate of 0 distance of basis coordinates on ccd image sensor (23) and adjusts blue cross wire (221) deviation in eyeglass (7) optical centre position and liquid crystal display (22), be that the optical centre of eyeglass (7) is adjusted to the blue cross wire (221) in LCDs (22) and overlaps, its state is: thin blue cross wire chap;

4), LED green light source assembly (1) resets;

5), on sucker (6), paste upper double faced adhesive tape, and start drive motor (31), automatic lens pressing (7).