CN213022240U

CN213022240U - Eccentric detector that stability is strong

Info

Publication number: CN213022240U
Application number: CN202021272559.7U
Authority: CN
Inventors: 邓春伟; 李阳; 肖正生
Original assignee: Fujian Holbit Technology Co ltd
Current assignee: Fujian Holbit Technology Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-20
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses an eccentricity detector with strong stability in the technical field of eccentricity detectors, which comprises a positioning tray, wherein the positioning tray comprises a tray body, the center of the top of the tray body is connected with a rotating disc, the left side of the rotating disc is provided with a driving gear, the right side of the rotating disc is provided with a driven gear, the left side and the right side of the rotating disc are provided with lifting devices, the top of each lifting device is provided with a fixed plate, the fixed plate is rotatably connected with a telescopic rod, the other end of the telescopic rod is connected with a clamping block, a lens to be detected is installed on the clamping block, the right side of the fixed plate on the right side is provided with a rotating device, and the center of the tray body is provided with an adsorption cavity, the utility model has reasonable structural design, the lens is arranged on the rotating disc, the rotating disc is driven, the eccentric amount of the other side can be detected, and the operation is convenient.

Description

Eccentric detector that stability is strong

Technical Field

The utility model relates to an eccentric detector technical field specifically is a strong eccentric detector of stability.

Background

The eccentricity detector is a detector for detecting the deviation of the optical axis of a lens or a lens group, and is generally divided into a transmission eccentricity meter and a reflection eccentricity meter. In the prior art, most of the eccentricity detectors can only test the eccentricity of one surface of the lens.

To this end, the person skilled in the relevant art improves this, for example, chinese patent application No. CN201820108517.6, "a test platform for an eccentricity gauge for measuring an eccentric spectacle lens", which is characterized by the following technical features: "a test platform of eccentricity gauge for measuring eccentric spectacle lens, comprising a chuck, a stage, an eccentric clamp and a lens holder, wherein the eccentric clamp comprises a bracket and a platform; the lens support comprises an adapter and a connecting device, a flat light sheet is arranged in the adapter, a connecting vacuumizing device is arranged on one side of the adapter, a measuring hole is arranged at the center of the connecting device, and the adapter is movably connected with the connecting device; the bottom of the support is connected with a sliding rail', the testing platform is simple in structure, capable of testing the eccentricity of two surfaces of the lens and strong in operability, but the technical scheme in the application document still has the defects that the device cannot rotate the lens to be tested so as to test the average eccentricity; when the double-side detection is carried out, the lens dragging tool needs to be taken out and turned over, and then the detection of the other side is carried out, so that the operation is inconvenient.

Based on this, the utility model designs a strong eccentric detector of stability to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an eccentricity detector with strong stability, which solves the problem that the device can not rotate the lens to be tested to test the average eccentricity; when carrying out two-sided detection, need take out the lens towing tool back turn-over, carry out the detection of another side again, the inconvenient problem of operation.

In order to achieve the above object, the utility model provides a following technical scheme: an eccentric detector with strong stability comprises a base, a light beam emitter, a positioning tray, a microscope and a supporting column, the positioning tray comprises a tray body, the center of the top of the tray body is rotationally connected with a rotating disc, the center of the rotating disc is hollowed, a driving gear is arranged on the left side of the rotating disc and is connected with a motor through a driving shaft, a driven gear is arranged on the right side of the rotating disc and is arranged on the top of the tray body through a driven shaft, the left side and the right side of the rotating disc are respectively provided with a lifting device, the top of the lifting device is provided with a fixed plate, the fixed plate is rotatably connected with a telescopic rod, the other end of the telescopic rod is connected with a clamping block, the clamping block is provided with a clamping groove, the lens to be detected is installed on the clamping groove, the rotating device is arranged on the right side of the fixing plate, and the adsorption cavity is formed in the center of the tray body.

Preferably, rotating device includes fixed connection in the right side the dwang on telescopic link right side, the dwang right side is provided with twist grip, the dwang lateral wall is provided with the spacing groove, be provided with stop gear on the spacing groove.

Preferably, stop gear includes the stopper, the stopper bottom is provided with the slide bar, the slide bar other end runs through the diaphragm and is provided with the limiting plate, the diaphragm is fixed set up in on the fixed plate, the slide bar outer wall has cup jointed first spring.

Preferably, the outer wall of the telescopic rod is sleeved with a second spring.

Preferably, the adsorption cavity is rotatably connected with the rotating disc, and bottom hole glass is arranged at the bottom of the adsorption cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structural design, on one hand, the rotating disc is arranged, the lens is arranged on the rotating disc, and the rotating disc is driven by the driving motor to rotate, so that the average eccentric amount of the lens can be detected; on the other hand, after the lens to be detected is lifted by the lifting device, the lens to be detected is turned over for 180 degrees by the rotating device, the eccentric amount of the other surface can be detected, and the operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the positioning tray of the present invention;

FIG. 3 is a sectional view taken along the line A-A of the present invention;

fig. 4 is a schematic structural view of the limiting mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a light beam emitter; 3. positioning the tray; 4. a microscope; 5. a support pillar; 6. a tray body; 7. rotating the disc; 8. a driving gear; 81. a drive shaft; 82. a motor; 9. a driven gear; 91. a driven shaft; 10. a lifting device; 11. a fixing plate; 12. a telescopic rod; 121. a second spring; 13. a clamping block; 14. a card slot; 15. a lens to be tested; 16. a rotating device; 161. rotating the rod; 162. rotating the handle; 163. a limiting groove; 164. a limiting block; 165. a slide bar; 166. a transverse plate; 167. a limiting plate; 168. a first spring; 17. an adsorption chamber; 171. bottom hole glass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an eccentric detector with strong stability comprises a base 1, a light beam emitter 2, a positioning tray 3, a microscope 4 and a support column 5, wherein the positioning tray 3 comprises a tray body 6, the center of the top of the tray body 6 is rotatably connected with a rotating disc 7, the center of the rotating disc 7 is hollow, the left side of the rotating disc 7 is provided with a driving gear 8, the driving gear 8 is connected with a motor 82 through a driving shaft 81, the right side of the rotating disc 7 is provided with a driven gear 9 which can reduce the deviation generated by the rotating disc 7 in the rotating process, the driven gear 9 is arranged at the top of the tray body 6 through a driven shaft 91, the left side and the right side of the rotating disc 7 are respectively provided with a lifting device 10, the lifting device 10 comprises an air cylinder and a piston rod, the top of the lifting device 10 is provided with a fixing plate 11, the bottom of the clamping block 13 can slide left and right along the surface of the rotating disc 7, a clamping groove 14 is formed in the clamping block 13, a lens 15 to be tested is mounted on the clamping groove 14, a rotating device 16 is arranged on the right side of the right side fixing plate 11, an adsorption cavity 17 is formed in the center of the tray body 6, the lens 15 to be tested is tightly attached to the clamping block 13 through negative pressure, and the lens 15 to be tested is prevented from moving in the rotating process of the rotating disc 7.

Further, rotating device 16 includes fixed connection in the dwang 161 on right side telescopic link 12 right side, dwang 161 right side is provided with twist grip 162, dwang 161 lateral wall is provided with spacing groove 163, is provided with stop gear on the spacing groove 163, and spacing groove 163 is provided with two of longitudinal symmetry, through rotating device 16, makes stop gear joint in another spacing groove 163, realizes carrying out 180 upsets to the lens 15 that awaits measuring, can carry out the detection of another side eccentric quantity.

Further, the limiting mechanism comprises a limiting block 164, a sliding rod 165 is arranged at the bottom of the limiting block 164, a limiting plate 167 is arranged at the other end of the sliding rod 165 through a transverse plate 166, the transverse plate 166 is fixedly arranged on the fixing plate 11, a first spring 168 is sleeved on the outer wall of the sliding rod 165, the limiting block 164 is clamped with or separated from the limiting groove 163 through the first spring 168, and fixing or moving of the lens 15 to be measured can be achieved.

Further, the second spring 121 has been cup jointed to 12 outer walls of telescopic link, through external force compression telescopic link 12, conveniently carries out the installation and the dismantlement of lens 15 that awaits measuring, makes fixture block 13 and the lens 15 chucking that awaits measuring through second spring 121 simultaneously, realizes the fixed to lens 15 that awaits measuring.

Furthermore, adsorb chamber 17 and carousel 7 and rotate and be connected, adsorb the chamber 17 bottom and be provided with bottom hole glass 171, make the light accessible bottom hole glass 171 that beam emitter 2 produced the line reach the lens 15 that awaits measuring, carry out the measurement of eccentricity, be provided with the vacuum pump on the side wall of adsorbing chamber 17 and can bleed or admit air to adsorbing chamber 17.

One specific application of this embodiment is: the fixture block 13 is pushed to move towards two sides through external force, the telescopic rod 12 and the second spring 121 contract, the lens 15 to be detected is installed on the fixture block 14, the fixture block 13 is loosened, the second spring 121 enables the fixture block 14 to clamp the lens 15 to be detected, the adsorption cavity 17 is vacuumized, the lens 15 to be detected is tightly attached to the fixture block 13 through negative pressure, the lens 15 to be detected is prevented from moving in the rotating process of the rotating disc 7, when eccentricity detection is carried out, the motor 82 is started to work, the motor 82 drives the driving gear 8 to rotate through the driving shaft 81, the driving gear 8 drives the rotating disc 7 and the driven gear 9 to rotate, the lens 15 to be detected rotates along with the rotating disc 7, and the eccentricity of the lens 15 to be detected can be detected; when the detection of the surface is finished and the other surface needs to be detected, the adsorption cavity 17 is inflated to restore the normal air pressure of the adsorption cavity 17, the fixed plate 11 drives the lens 15 to be detected to ascend through the lifting device 10, the limiting block 164 is pushed downwards to be opened, the limiting block 164 is separated from the first limiting groove 163, the rotating rod 161 is rotated through the rotating handle 162, when the other limiting groove 163 is positioned at the bottom of the rotating rod 161, the lens 15 to be detected finishes 180-degree overturning, the rotating handle 162 stops rotating, the limiting block 164 is loosened, the limiting block 164 is clamped with the second limiting groove 163, the lens 15 to be detected is prevented from rotating again, the lifting device 10 is driven to contract, the fixed plate 11 is restored to the original position, and after the adsorption cavity 17 is vacuumized, the other surface eccentricity detection can be performed on the lens 15.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an eccentric detector that stability is strong, includes base (1), beam emitter (2), location tray (3), microscope (4), support column (5), its characterized in that: the positioning tray (3) comprises a tray body (6), the center of the top of the tray body (6) is rotatably connected with a rotating disc (7), the center of the rotating disc (7) is hollow, a driving gear (8) is arranged on the left side of the rotating disc (7), the driving gear (8) is connected with a motor (82) through a driving shaft (81), a driven gear (9) is arranged on the right side of the rotating disc (7), the driven gear (9) is installed on the top of the tray body (6) through a driven shaft (91), lifting devices (10) are respectively arranged on the left side and the right side of the rotating disc (7), a fixing plate (11) is arranged on the top of each lifting device (10), a telescopic rod (12) is rotatably connected on each fixing plate (11), the other end of each telescopic rod (12) is connected with a clamping block (13), and a clamping, the lens (15) to be tested is installed on the clamping groove (14), the right side is provided with a rotating device (16) on the right side of the fixing plate (11), and an adsorption cavity (17) is formed in the center of the tray body (6).

2. The eccentricity detector with strong stability according to claim 1, wherein: rotating device (16) include fixed connection in the right side dwang (161) on telescopic link (12) right side, dwang (161) right side is provided with turning handle (162), dwang (161) lateral wall is provided with spacing groove (163), be provided with stop gear on spacing groove (163).

3. The eccentricity detector with strong stability according to claim 2, wherein: stop gear includes stopper (164), stopper (164) bottom is provided with slide bar (165), the slide bar (165) other end runs through diaphragm (166) and is provided with limiting plate (167), diaphragm (166) fixed set up in on fixed plate (11), first spring (168) have been cup jointed to slide bar (165) outer wall.

4. The eccentricity detector with strong stability according to claim 1, wherein: the outer wall of the telescopic rod (12) is sleeved with a second spring (121).

5. The eccentricity detector with strong stability according to claim 1, wherein: the adsorption cavity (17) is rotatably connected with the rotating disc (7), and bottom hole glass (171) is arranged at the bottom of the adsorption cavity (17).