CN-224209715-U - Centrifugal clamping mechanism of automatic optical edging machine

CN224209715UCN 224209715 UCN224209715 UCN 224209715UCN-224209715-U

Abstract

The utility model discloses a centrifugal clamping mechanism of an automatic optical edging machine, which comprises a headstock box, a left workpiece shaft and a right workpiece shaft which are symmetrically arranged, and a left chuck and a right chuck which are respectively arranged at two shaft ends, wherein the left workpiece shaft is fixed at the left end of the headstock box and can only rotate, the right workpiece shaft is rotatably and axially slidably arranged at the right end of the headstock box, the tail end of the right workpiece shaft is connected with a clamping driving device through an elastic jacking component, and the clamping driving device comprises a clamping cylinder and a light-pressure cylinder which are arranged in a linkage manner, and the grading clamping action of the right chuck is realized through the cooperation of a jacking shaft and a compression spring. The utility model realizes the graded clamping action of the right chuck by the linkage of the clamping cylinder and the light pressure cylinder, and the graded clamping can provide proper clamping force according to different processing stages and characteristics of the optical lens.

Inventors

ZHANG JIAN
LIU SONGHUA
WU YONG
Zhan Xiaochao

Assignees

景德镇航宇科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250610

Claims (6)

1. A centrifugal clamping mechanism of an automatic optical edging machine is characterized in that, Including headstock, the left work piece axle and the right work piece axle that the symmetry set up, install respectively in left chuck and the right chuck of both ends, left side work piece axle is fixed in headstock left end is rotatable only, right side work piece axle rotatable and axial sliding install in headstock right-hand member, right side work piece axle tail end is connected through elasticity roof pressure subassembly and is pressed from both sides tight drive arrangement, press from both sides tight drive arrangement and contain the tight cylinder of clamp and the light cylinder of pressing that the linkage set up, realize through the cooperation of roof pole axle and compression spring the hierarchical clamping action of right chuck.
2. The centrifugal clamping mechanism of an automatic optical edging machine according to claim 1, characterized in that, The elastic jacking assembly comprises a compression spring sleeved outside the jacking rod shaft, and the front end of the jacking rod shaft is connected with a bearing seat at the tail end of the right workpiece shaft through a plane bearing, so that the jacking rod shaft can axially move along with the right workpiece shaft but can keep a static rotating state.
3. A centrifugal clamping mechanism for an automatic optical edging machine according to claim 2, characterized in that, The end part of the piston rod of the clamping cylinder is connected with a spring sleeve, the spring sleeve is coaxially sleeved on the outer side of the compression spring, and the tail end of the ejector rod shaft penetrates through the spring sleeve to form floating connection with the piston rod of the clamping cylinder.
4. The centrifugal clamping mechanism of an automatic optical edging machine according to claim 1, characterized in that, The clamping driving device comprises a clamping cylinder and a light pressing cylinder which are arranged in series, wherein the clamping cylinder is connected with the light pressing cylinder through a buffer baffle, the light pressing cylinder is fixed on the right side of the headstock box through a mounting frame, and a hydraulic buffer cylinder is arranged on the mounting frame.
5. The centrifugal clamping mechanism of an automatic optical edging machine according to claim 1, characterized in that, The tail end of the left workpiece shaft is provided with a vacuum connector, and the vacuum connector is communicated with the adsorption structure at the left chuck through the inner channel of the left workpiece shaft.
6. A centrifugal clamping mechanism for an automatic optical edging machine according to claim 2, characterized in that, The plane bearing adopts a bidirectional thrust ball bearing, an outer ring of the plane bearing is in interference fit with the bearing seat, and an inner ring of the plane bearing and the front end of the ejector rod shaft are circumferentially positioned through a key groove structure.

Description

Centrifugal clamping mechanism of automatic optical edging machine Technical Field The utility model relates to the technical field of automatic optical edging machine equipment, in particular to a centrifugal clamping mechanism of an automatic optical edging machine. Background In the field of optical lens processing, an automatic optical edging machine, also called an automatic core extractor, is a key device for grinding an outer circle of an optical lens to ensure that the axis of the outer circle is concentric with the axis of the optical lens, and in the actual production process, the product is usually taken and placed by a manipulator, however, when the optical lens is clamped on a clamping head of a left workpiece shaft end, due to the influence of various factors such as the operation precision of the manipulator, the fit clearance between the clamping head and the lens, and the like, the position deviation is unavoidable. The position deviation has serious influence on the subsequent edging quality, and if the position deviation cannot be effectively eliminated, the excircle axis and the optical axis of the optical lens cannot reach ideal concentric states, so that the optical performance of the lens is reduced, and even the product is scrapped. At present, the existing clamping mechanism has a certain limitation in solving the problem of optical lens clamping position deviation, and for some optical lens products with smaller clamping coefficients and poor mechanical centering effect, the conventional clamping mode is difficult to meet the high-precision axis alignment requirement. Disclosure of utility model The utility model aims to solve the technical problems, thereby providing a centrifugal clamping mechanism of an automatic optical edging machine; In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a centrifugal clamping mechanism of an automatic optical edging machine, Including headstock, the left work piece axle and the right work piece axle that the symmetry set up, install respectively in left chuck and the right chuck of both ends, left side work piece axle is fixed in headstock left end is rotatable only, right side work piece axle rotatable and axial sliding install in headstock right-hand member, right side work piece axle tail end is connected through elasticity roof pressure subassembly and is pressed from both sides tight drive arrangement, press from both sides tight drive arrangement and contain the tight cylinder of clamp and the light cylinder of pressing that the linkage set up, realize through the cooperation of roof pole axle and compression spring the hierarchical clamping action of right chuck. Optionally, the elastic jacking component comprises a compression spring sleeved outside the jacking rod shaft, and the front end of the jacking rod shaft is connected with the bearing seat at the tail end of the right workpiece shaft through a plane bearing, so that the jacking rod shaft can axially move along with the right workpiece shaft but keep a static rotation state. Optionally, the end part of the piston rod of the clamping cylinder is connected with a spring sleeve, the spring sleeve is coaxially sleeved on the outer side of the compression spring, and the tail end of the ejector rod shaft penetrates through the spring sleeve to form floating connection with the piston rod of the clamping cylinder. Optionally, the clamping driving device comprises a clamping cylinder and a light pressure cylinder which are arranged in series, wherein the clamping cylinder is connected with the light pressure cylinder through a buffer baffle, the light pressure cylinder is fixed on the right side of the headstock box through a mounting frame, and a hydraulic buffer cylinder is arranged on the mounting frame. Optionally, the tail end of the left workpiece shaft is provided with a vacuum connector, and the vacuum connector is communicated with the adsorption structure at the left chuck through the inner channel of the left workpiece shaft. Optionally, the plane bearing adopts a bidirectional thrust ball bearing, an outer ring of the plane bearing is in interference fit with the bearing seat, and the inner ring and the front end of the ejector rod shaft realize circumferential positioning through a key groove structure. In summary, the utility model has the following beneficial effects: The application realizes the graded clamping action of the right chuck through the linkage of the clamping cylinder and the light pressing cylinder, and the graded clamping can provide proper clamping force according to different processing stages and characteristics of the optical lens, for example, light pressing is used when the optical lens is initially contacted with a workpiece, so that the deformation or the position deviation of the workpiece caused by overlarge clamping force is avoided, the clamping force is gradually incr