CN212846182U

CN212846182U - Auxiliary adjusting device for optical lens

Info

Publication number: CN212846182U
Application number: CN202022054425.4U
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: 2021-03-30
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to an optical parts production facility technical field discloses an optical lens assists dress and transfer device, put the picture frame outside the lens on clamping device and fix, fix the lens cone on the mount pad, then pulse controller controls step motor's turned angle, step motor starts the certain angle of mount pad relative clamping device skew on the back drive motor, and then realize the certain angle of picture frame skew on the relative clamping device of lens cone on the mount pad, last starter motor drives the relative picture frame eccentric rotation of lens cone on the mount pad, it moves the lens cone downwards to rotate ball screw, obtain the eccentric locking that realizes picture frame and lens cone, accomplish the focus position correction of the inboard lens of picture frame and the inboard lens of lens cone, reduce the change of part, reduce optical lens's cost of maintenance.

Description

Auxiliary adjusting device for optical lens

Technical Field

The utility model discloses optical element production facility technical field especially relates to an optical lens assists adjusting device.

Background

Optical lenses are widely used in various fields due to their excellent light transmittance and refractive index. An optical lens is including the lens of the polylith different usefulness, lens external fixation picture frame, and the picture frame adopts the screw thread to fix on the lens cone, but after optical lens's live time was longer, the phenomenon that the screw thread can appear being connected not hard up between picture frame and the lens cone, leads to the position of the focus between each piece lens in the lens cone and the position of the settlement when optical lens just dispatched from the factory to have the deviation, all adopts the mode of changing spare part to maintain now, has the problem that the cost is big.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide an auxiliary adjusting device for an optical lens, which eccentrically rotates a lens frame outside a loose optical lens into a lens barrel to correct a focal position of the lens.

The utility model discloses an above-mentioned technical problem is solved to following technical means: the utility model provides an optical lens installs and transfers device in assistance, includes the frame, and the ball screw is installed to the frame, and the axis of the longitudinal direction of ball screw extends along vertical direction, is fixed with the backup pad on ball screw's the nut, installs step motor in the backup pad, and step motor electric connection has pulse controller, fixedly connected with motor on step motor's the output shaft, fixedly connected with mount pad on the output shaft of motor, transfers under the mount pad and is fixed with clamping device.

The utility model has the advantages that: the lens frame outside the lens is placed on the clamping device to be fixed, the lens barrel is fixed on the mounting seat, then the pulse controller controls the rotation angle of the stepping motor, the stepping motor drives the mounting seat on the motor to deviate by a certain angle relative to the clamping device after being started, further the fact that the lens barrel on the mounting seat deviates by a certain angle relative to the lens frame on the clamping device is achieved, finally the motor is started to drive the lens barrel on the mounting seat to eccentrically rotate relative to the lens frame, the lens barrel is downwards moved by rotating the ball screw, eccentric locking of the lens frame and the lens barrel is achieved, focus position correction of the lens inside the lens frame and the lens inside the lens barrel is achieved, part replacement is reduced, and maintenance cost of the optical lens.

Drawings

Fig. 1 is a schematic structural diagram of the optical lens auxiliary adjusting device of the present invention;

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

fig. 3 is a front view of the optical lens auxiliary adjusting device of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a side view of the optical lens auxiliary adjusting device of the present invention.

Wherein: 100-adjustment device, 10-frame, 20-ball screw, 30-support plate, 31-first part, 32-second part, 33-chute, 40-stepping motor, 50-mounting seat, 60-clamping device, 70-plane mirror, 80-infrared emitter, 90-handle, 110-slide rail, 111-dovetail groove, 120-electric cylinder and 130-motor.

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 an optical lens auxiliary assembly and adjustment device 100, including placing frame 10 on the maintenance platform, the back fixedly connected with ball screw 20 of frame 10, the axis of the vertical direction of ball screw 20 extends along vertical direction, be fixed with backup pad 30 on ball screw 20's the nut, backup pad 30 is located the front side of frame 10, be fixed with handle 90 on ball screw 20's top, through turning handle 90, it rotates to drive ball screw 20, and then the nut that drives on ball screw 20 slides from top to bottom along ball screw 20, realize rotating manual handle 90 alright control backup pad 30 gliding mesh from top to bottom.

The support plate 30 includes a first portion 31 and a second portion 32, the first portion 31 is fixed to the nut of the ball screw 20, the first portion 31 is opened with a slide groove 33 from an end close to the frame 10 to an end away from the frame 10, and the second portion 32 is slidably connected to the first portion 31 along the slide groove 33. The frame 10 is fixed with an electric cylinder 120, the telescopic rod of the electric cylinder 120 is fixedly connected with the second part 32, the electric cylinder 120 is started, and the telescopic rod of the electric cylinder 120 pushes the second part 32 to slide back and forth along the first part 31.

The second portion 32 is fixed with a stepping motor 40, the stepping motor 40 is electrically connected with a pulse controller, and the pulse controller controls the number of received pulses of the stepping motor 40, so as to control the rotation angle of the stepping motor 40.

An output shaft of the stepping motor 40 is fixed with a motor, the output shaft of the motor faces downwards, an installation seat 50 is fixed on the output shaft of the motor, the installation seat 50 is cylindrical, and a pneumatic claw (not shown in the figure) is arranged on the inner side of the installation seat 50 to extend the lens barrel into the installation seat 50 to be fixed. The motor is started to drive the lens cone to rotate.

A holding device 60 is fixed under the mounting seat 50, and the holding device 60 can adopt a structure of a sucker or a structure of a chuck to detach the loosened lens from the lens barrel along with the outer lens frame and fix the lens on the holding device 60.

The use method of the installation and adjustment device 100 in this embodiment is as follows: the lens and the outer lens frame are placed on the clamping device 60 and fixed, the lens barrel is fixed on the mounting seat 50, and then the electric cylinder 120 is started to push the second part 32 to slide relative to the first part 31, so that the lens barrel on the mounting seat 50 moves to be right above the clamping device 60. And then the pulse controller inputs the pulse number to control the rotation angle of the stepping motor 40, the stepping motor 40 drives the mounting seat 50 on the motor to deviate a certain angle relative to the clamping device 60 after being started, so that the lens barrel on the mounting seat 50 deviates a certain angle relative to the lens frame on the clamping device 60, finally the motor is started to drive the lens barrel on the mounting seat 50 to eccentrically rotate relative to the lens frame, and meanwhile, the ball screw 20 is rotated to move the lens barrel downwards, so that the eccentric locking between the lens frame and the lens barrel is realized, the focus position correction of the lens on the inner side of the lens frame and the lens on the inner side of the lens barrel is completed, the replacement of parts is. After the use, the pneumatic electric cylinder 120 can be used, and the electric cylinder 120 drives the mounting seat 50 and the motor to move towards one side close to the rack 10 in a return stroke, so that the electric cylinder is convenient to store.

Specifically, a plane mirror 70 is further fixed on the frame 10, and the plane mirror 70 is located directly below the clamping device 60. By the imaging principle of the plane mirror 70, an operator can observe the alignment position of the lens barrel and the lens in real time conveniently, and the correction precision of the focal position of the lens is improved.

Specifically, the flat mirror 70 is further fixed with an infrared emitter 80, and the infrared emitter 80 faces the geometric center of the holding device 60. When infrared rays pass through the focal point of the lens fixed on the clamping device 60 and the stepping motor 40 and the electric cylinder 120 are started to move the lens barrel on the mounting seat 50, the infrared rays emitted by the infrared emitter 80 provide reference lines for the focal point of the clamping device 60 and the focal point of the lens on the inner side of the lens barrel, and the correction precision of the focal point position of the lens is improved.

Specifically, two slide rails 110 are fixed on the rack 10, dovetail grooves 111 are formed in side walls of the slide rails 110, the slide rails 110 and the dovetail grooves 111 extend in the vertical direction, and two ends of the support plate 30 are inserted into the dovetail grooves 111 and are slidably connected with the slide rails 110. The support plate 30 can be provided with a horizontal support force by the left and right slide rails 110, so that the ball screw 20 is prevented from being deformed due to the horizontal tension of the support plate 30.

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 an optical lens assists adjusting device which characterized in that: the automatic clamping device comprises a frame, ball screw is installed to the frame, the axis of the longitudinal direction of ball screw extends along vertical direction, be fixed with the backup pad on ball screw's the nut, install step motor in the backup pad, step motor electric connection has pulse controller, fixedly connected with motor on step motor's the output shaft, fixedly connected with mount pad on the output shaft of motor, be fixed with clamping device under transferring of mount pad.

2. An optical lens auxiliary adjusting apparatus according to claim 1, characterized in that: and a plane mirror is also fixed on the frame and is positioned under the clamping device.

3. An optical lens auxiliary adjusting apparatus according to claim 2, characterized in that: and the plane mirror is also fixedly provided with an infrared emitter, and the infrared emitter faces to the geometric center of the clamping device.

4. An optical lens auxiliary adjusting apparatus according to claim 3, characterized in that: and a handle is fixed on the ball screw and is positioned at the top end of the ball screw.

5. An optical lens auxiliary adjusting apparatus according to any one of claims 1 to 4, characterized in that: the rack is fixed with two slide rails, dovetail grooves are formed in the side walls of the slide rails, the slide rails and the dovetail grooves extend along the vertical direction, and the two ends of the supporting plate are inserted into the dovetail grooves and are in sliding connection with the slide rails.

6. An optical lens auxiliary adjusting apparatus according to claim 5, wherein: the support plate comprises a first part and a second part, the first part is fixed on a nut of the ball screw, the second part is connected with the first part in a sliding mode, the second part slides back and forth relative to the first part, the rack is fixedly provided with an electric cylinder, a telescopic rod of the electric cylinder is fixedly connected with the second part, and the stepping motor and the mounting seat are both fixed on the second part.