CN213289732U

CN213289732U - Polishing device for optical lens processing

Info

Publication number: CN213289732U
Application number: CN202022057381.0U
Authority: CN
Inventors: 何剑平; 崔虎; 蒋磊
Original assignee: Chongqing Senfa Optical Technology Co ltd
Current assignee: Chongqing Senfa Optical Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-28
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to the technical field of optical part production equipment, and discloses a polishing device for processing optical lenses, which comprises a frame, a workbench fixed on the frame, a stepping motor and a ball screw are fixed on the upper surface of the workbench, the stepping motor drives the ball screw, a first support plate is fixedly connected on a nut of the ball screw, a slide rail is fixed on the first support plate, a second support plate is connected on the first support plate, a first servo electric cylinder is fixed on the first support plate, a telescopic rod of the first servo electric cylinder is fixedly connected with the support plate, a clamping handle is fixed on one end of the second support plate far away from the slide rail, a oilstone disc is fixed on the clamping handle, a support plate is arranged under the oilstone disc, the support plate is rotationally connected with the workbench, a motor is fixed on the workbench, an output shaft of the motor is fixedly connected with the support plate, a cooling liquid spray nozzle, the polishing device is used for polishing cambered surface lenses and plane lenses, and improves the universality of polishing the optical lenses.

Description

Polishing device for optical lens processing

Technical Field

The utility model discloses optical element production facility technical field especially relates to a burnishing device for optical lens piece processing.

Background

Optical lenses are widely used in various fields due to their excellent light transmittance and refractive index, and since the surface of the optical lens blank has a certain roughness when it leaves the factory, it is necessary to polish the optical lens blank before practical use. However, the existing polishing device is generally only suitable for polishing the mirror blank with a specific shape, and has the problem of low universality.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a polishing device for optical lens processing, which is suitable for polishing a cambered lens and a planar lens, and improves the versatility thereof.

The utility model discloses an above-mentioned technical problem is solved to following technical means: a polishing device for processing an optical lens comprises a frame and a workbench fixed on the frame, wherein a stepping motor and a ball screw are fixed on the upper surface of the workbench, the ball screw is horizontally arranged, the stepping motor drives the ball screw, a first supporting plate is fixedly connected to a nut of the ball screw, a slide rail is fixed to the first supporting plate and extends along the vertical direction, the slide rail is slidably connected with a second supporting plate, a first servo electric cylinder is fixed to the first supporting plate, a telescopic rod of the first servo electric cylinder is fixedly connected with the supporting plate, the first servo electric cylinder drives the second supporting plate to slide up and down along the slide rail, a clamping handle is fixed to one end, away from the slide rail, of the second supporting plate, a oilstone disc is fixed to the clamping handle, a supporting disc is arranged under the oilstone disc, the supporting disc is rotatably connected with the workbench, a motor is fixed to the lower portion of the workbench, and an output shaft of the, a cooling liquid spray head is fixed on the frame and faces the supporting plate.

The utility model has the advantages that:

through adopting glue to fix the plane mirror blank on the supporting disk, then start first servo electric cylinder and drive the slide rail on the relative first backup pad of second backup pad and slide, the bottom surface height adjustment of the whetstone dish on the tong to with the upper surface of plane mirror blank on same horizontal plane, then start step motor, nut on the ball screw slides along ball screw longitudinal direction's axis, when the whetstone dish on the tong removed the position of laminating with level crossing blank upper surface, the starter motor drove the plane mirror blank rotation on the supporting disk, the whetstone dish ground the upper surface of plane mirror blank and can accomplish the polishing.

Through adopting glue to fix mirror arc mirror base on the supporting disk, then start first servo electric jar and step motor simultaneously for the arc motion is done to the oilstone dish, and then realizes grinding the polishing to arc mirror base.

The utility model provides a burnishing device can be used to the polishing of cambered surface lens and plane lens, has improved the commonality to the polishing of optical lens.

Drawings

FIG. 1 is a schematic structural diagram of a polishing apparatus for optical lens processing according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a top view of a support tray according to the present invention;

FIG. 5 is a front view of the polishing apparatus for optical lens processing of the present invention;

wherein: 100-polishing device, 10-machine frame, 20-workbench, 30-stepping motor, 40-ball screw, 50-first support plate, 60-slide rail, 70-second support plate, 80-first servo electric cylinder, 90-gripper, 110-oilstone disc, 120-support disc, 121-chassis, 1211-through hole, 122-column, 123-joint, 130-motor, 140-cooling liquid spray head, 150-negative pressure machine, 160-second servo electric cylinder, 170-cold light pipe, 180-window frame, 181-mounting groove.

Detailed Description

The following description is given by way of specific embodiments, and those skilled in the art will appreciate the advantages and effects of the present invention from the disclosure provided in the present specification. It should be noted that the drawings provided in the following embodiments are only for illustrative purposes, and are only schematic drawings rather than actual drawings, which should not be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "front", "back", etc. indicating the orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, therefore the terms describing the position relationship in the drawings are used only for exemplary illustration, and not for limiting the present invention, and those skilled in the art can understand the specific meaning according to the specific situation.

As shown in fig. 1 to 5, the utility model discloses a burnishing device 100 for optical lens piece processing, including placing frame 10 subaerial, the mortise-tenon joint is connected with workstation 20 in frame 10, adopt the fix with screw to have ball screw 40 at the upper surface of workstation 20, ball screw 40 adopts step motor 30 to drive, step motor 30 also adopts the fix with screw at the upper surface of workstation 20, the axis of the vertical direction of ball screw 40 is parallel with the upper surface of workstation 20, after step motor 30 started, nut on the ball screw 40 is along ball screw 40's vertical axis direction horizontal slip.

The nut of the ball screw 40 is connected with a first supporting plate 50 through a screw, the first supporting plate 50 is in an L-shaped shape, one part of the first supporting plate 50 is parallel to the horizontal plane, a first servo electric cylinder 80 is fixed on the part through a screw, the other part of the first supporting plate 50 is vertically arranged, a sliding rail 60 is fixed on the part through a screw in the vertical direction, a dovetail groove (not shown in the figure) is formed in the sliding rail 60, and a second supporting plate 70 is connected with the sliding rail in a sliding mode along the dovetail groove. The end of the second support plate 70 away from the slide rail 60 is fixed with a clamping handle 90, and an oilstone disc 110 is clamped on the clamping handle 90, wherein the oilstone disc 110 is used for grinding the mirror blank. The clamping hand 90 is a pneumatic clamp, and when the oilstone disc 110 is seriously worn, the clamping hand 90 can be opened to replace the oilstone disc 110 with a new oilstone disc.

A supporting plate 120 rotationally connected with the workbench 20 is arranged right below the clamping hand 90, the supporting plate 120 is driven by a motor 130, the motor 130 is fixed on the lower surface of the workbench 20, and ultraviolet glue is coated on the supporting plate 120 to fix the mirror blank. A cooling liquid spray head 140 is further fixed on the frame 10, the lower end of the cooling liquid spray head 140 faces the oilstone disc 110,

the utility model discloses a use method as follows:

the plane mirror blank is fixed on the supporting disc 120 by adopting ultraviolet glue, then the first servo electric cylinder 80 is started to drive the second supporting plate 70 to slide downwards relative to the sliding rail 60 on the first supporting plate 50120, the height of the bottom surface of the oilstone disc 110 on the clamping hand 90 is adjusted to be on the same horizontal plane with the upper surface of the plane mirror blank, then the stepping motor 30 is started, the nut on the ball screw 40 slides along the axis of the longitudinal direction of the ball screw 40 until the oilstone disc 110 on the clamping hand 90 moves to the position attached to the upper surface of the plane mirror blank, the motor 130 is started to drive the plane mirror blank on the supporting disc 120 to rotate, the oilstone disc 110 grinds the upper surface of the plane mirror blank, and meanwhile, the cooling liquid is sprayed to the surface of the plane mirror blank, which is in contact with the oilstone disc 110, by the cooling liquid spray nozzle 140 to perform cooling, and the polishing of the plane.

By fixing the mirror arc-shaped mirror blank on the supporting disc 120 by adopting ultraviolet glue, the first servo electric cylinder 80 is started to drive the second supporting plate 70 to slide downwards relative to the sliding rail 60 on the first supporting plate 50120, the height of the bottom surface of the oilstone disc 110 on the gripper 90 is adjusted to be on the same horizontal plane with the upper surface of the plane mirror blank, then the stepping motor 30 is started, the nut on the ball screw 40 slides along the axis of the longitudinal direction of the ball screw 40 until the oilstone disc 110 on the gripper 90 moves to the position attached to the upper surface of the plane mirror blank. Then, the first servo electric cylinder 80 and the stepping motor 30 are simultaneously started, so that the oilstone disc 110 makes arc-shaped motion relative to the arc-shaped mirror blank, and further the arc-shaped mirror blank is ground and polished. And simultaneously, cooling liquid is sprayed from a cooling liquid spray head 140 to the surface of the plane mirror blank contacted with the oilstone disc 110 for cooling. The polishing device 100 provided by the embodiment can be used for polishing cambered lenses and flat lenses, and improves the universality of optical lens polishing.

Specifically, the supporting plate 120 includes a bottom plate 121 and a column 122, the bottom plate 121 is fixedly connected to the worktable 20, and an annular baffle is disposed at an outer edge of the bottom plate 121. The bottom plate 121 is provided with a through hole 1211, the through hole 1211 penetrates from the upper surface of the bottom plate 121 to the lower surface of the work, a joint 123 is arranged at the bottom end of the through hole 1211, the column 122 is rotatably connected with the work table 20, and the column 122 is located on the inner side of the bottom plate 121. The column 122 provides support for the mirror blank, the flying chips and the waste cooling liquid generated by grinding flow on the chassis 121 in a large flow manner, the bottom of the chassis 121 is in an upward arched conical shape, the edge of the annular baffle is also provided with a drainage groove, the through hole 1211 is positioned in the drainage groove, the flying chips and the waste cooling liquid generated by grinding flow into the drainage groove from the bottom of the outgoing disc and finally flow out from the through hole 1211, and the joint 123 can be externally connected with a pipe body to discharge the flying chips and the waste cooling liquid to a designated area, so that the working table 20 is prevented from being polluted by the waste cooling liquid.

The lower end of the joint 123 is connected to a negative pressure machine 150 through a pipe body, and after the negative pressure machine 150 is started, air in the through hole 1211 is pumped out to generate negative pressure suction, thereby achieving the effect of accelerating the discharge efficiency of the waste coolant.

Specifically, a second servo electric cylinder 160 is fixed on the frame 10, and an expansion rod of the second servo electric cylinder 160 is fixedly connected to the bottom of the motor 130. When the lens with a larger direct diameter needs to be polished, the second servo electric cylinder 160 is started to adjust the height of the motor 130, so that the upper surface of the column 122 fixedly connected with the motor 130 is parallel to the upper surface of the chassis 121, and the effect that the upper surface of the column 122 and the end of the chassis 121 together support the lens with a larger direct diameter is achieved.

Specifically, a cold light pipe 170 is fixed on the rack 10, and the cold light pipe 170 points to the support plate 120. The cold light tube 170 uses an LED light source to avoid burning out the lens due to heat generation based on illumination.

Specifically, the second support plate 70 is Y-shaped, two clamping arms 90 are fixed on the second support plate 70, and a connecting line between the two clamping arms 90 is parallel to the axis of the ball screw 40. Considering that the oilstone can be discarded faster than other parts, the oilstone disc 110 fixed on one gripper 90 is in a use state, and the oilstone disc 110 fixed on the other gripper 90 is kept in a standby state. When one used oilstone disc 110 is scrapped, the ball screw 40 is started, so that the other oilstone disc 110 in a standby state is driven by the clamp 90 to move to the position above the supporting disc 120, the time consumed by replacing the oilstone disc 110 is reduced, and the effect of accelerating the lens polishing efficiency is achieved.

Specifically, the upper surface of the working table 20 is surrounded by a window frame 180, and the window frame is provided with an installation groove 181. Glass is embedded along the installation groove 181, so that isolation protection is achieved during polishing, and flying chips generated during polishing are prevented from splashing and hurting people.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The utility model provides a burnishing device for optical lens processing, includes the frame to and fix the workstation in the frame, its characterized in that: the upper surface of the workbench is fixedly provided with a stepping motor and a ball screw, the ball screw is horizontally arranged, the stepping motor drives the ball screw, a nut of the ball screw is fixedly connected with a first supporting plate, the first supporting plate is fixedly provided with a slide rail, the slide rail extends along the vertical direction, the slide rail is slidably connected with a second supporting plate, the first supporting plate is fixedly provided with a first servo electric cylinder, a telescopic rod of the first servo electric cylinder is fixedly connected with the second supporting plate, the first servo electric cylinder drives the second supporting plate to slide up and down along the slide rail, one end of the second supporting plate far away from the slide rail is fixedly provided with a clamping handle, a oilstone disc is fixedly arranged on the clamping handle, a supporting plate is arranged under the oilstone disc, the supporting plate is rotatably connected with the workbench, a motor is fixedly arranged under the workbench, and an output shaft of the motor is fixedly connected with the supporting plate, and a cooling liquid spray head is fixed on the frame and faces the supporting plate.

2. The polishing apparatus for optical lens processing according to claim 1, wherein: the supporting plate comprises a base plate and a cylinder, the base plate is fixedly connected with the workbench, a through hole is formed in the base plate and penetrates from the upper surface of the base plate to the lower surface of the workbench, a joint is arranged at the bottom end of the through hole, the cylinder is rotatably connected with the workbench, and the cylinder is located on the inner side of the base plate.

3. The polishing apparatus for optical lens processing according to claim 2, wherein: the joint is connected with a negative pressure machine through a pipe body.

4. A polishing apparatus for optical lens processing according to claim 3, characterized in that: and a second servo electric cylinder is fixed on the rack, and a telescopic rod of the second servo electric cylinder is fixedly connected with the bottom of the motor.

5. The polishing apparatus for optical lens processing according to claim 2, wherein: and a cold light pipe is fixed on the rack and points to the supporting plate.

6. A polishing apparatus for optical lens processing according to any one of claims 1 to 3, characterized in that: two clamping hands are fixed on the second supporting plate, and a connecting line between the two clamping hands is parallel to the axis of the ball screw.

7. The polishing apparatus for optical lens processing according to claim 1, wherein: the upper surface of workstation encloses and closes the window frame, seted up the mounting groove on the window frame.