CN222932387U

CN222932387U - Optical glass blank chamfering machine

Info

Publication number: CN222932387U
Application number: CN202421546551.3U
Authority: CN
Inventors: 闵一帆; 叶菁; 张科; 刘佳鑫; 张亚欢
Original assignee: Hubei New Huaguang Information Materials Co Ltd
Current assignee: Hubei New Huaguang Information Materials Co Ltd
Priority date: 2024-07-02
Filing date: 2024-07-02
Publication date: 2025-06-03
Anticipated expiration: 2034-07-02

Abstract

The name of the utility model is an optical glass blank chamfering machine. It belongs to the field of glass cold processing technology. It mainly solves the problems of inconsistent edges and corners of blanks, high labor costs and low production efficiency in the production of optical lenses. Its main features are: it is composed of a first chamfering mechanism and a second chamfering mechanism with the same structure, and a transmission mechanism connected therebetween; wherein, the first chamfering mechanism and the second chamfering mechanism are both composed of multiple grinding assemblies and a support table, and the multiple grinding assemblies are distributed on multiple faces that are directly opposite to multiple straight edges of the blank to be processed on the support table and in the same direction as the feeding direction, and the operating direction of the grinding assembly is consistent with the feeding direction of the blank to be processed; the transmission mechanism is provided with a blank flipping structure that can flip the blank to be processed by at least 90°. The utility model has the characteristics of simple structure, convenient operation, good consistency of blank processing effect and can liberate labor, and is mainly used for batch chamfering of optical glass blanks.

Description

Optical glass blank chamfering machine

Technical Field

The utility model belongs to the technical field of glass cold processing, and particularly relates to a processing device for chamfering glass blanks in batches.

Background

Cutting and processing the optical glass plate into proper optical glass blank particles is an important guarantee for the secondary pressing production of the optical glass. In order to facilitate the pressing of the blank particles of the optical glass into a mold fitting meeting the use needs of customers, the blank particles are subjected to polishing processing in an extremely important step, and the purpose of the blank particles is to smooth polishing of edges and corners of the blank, and rough polishing of the surface facilitates the adhesion of a release agent. Irreversible defects affecting the use requirement can appear in the optical glass blank with sharp edges and corners in the secondary pressing process, so that the production stability and consistency are greatly disturbed, and the production cost is further affected.

At present, the method of grinding the corners of the optical glass blank by adding auxiliary materials into the optical glass blank after chamfering by using a human and a machine and vibrating the optical glass blank by using a crucible for grinding has the following defects in actual use condition.

Firstly, the efficiency of manually chamfering the blank is lower, and the processing quality has larger technical dependence on operators. The manual operation intensity is big, tired easily, and coping operation equipment is mostly abrasive machine, and rotary mechanism and grinding raise dust have the operation danger.

Secondly, the existing automatic chamfering machine has good machining operation quality, can only perform single blank operation, needs to manually stack blanks to be machined, has low efficiency, needs to manufacture polishing tools for different blank material types, and has long machining period.

Disclosure of utility model

The utility model aims to provide a cold working device capable of automatically carrying out chamfering operation on glass blanks in batches.

The technical scheme of the utility model is that the optical glass blank chamfering machine is characterized by comprising a first chamfering mechanism and a second chamfering mechanism which are identical in structure and a conveying mechanism connected with the first chamfering mechanism and the second chamfering mechanism, wherein the first chamfering mechanism and the second chamfering mechanism are composed of a plurality of pairs of chamfering components and a supporting table, the pairs of chamfering components are distributed on a plurality of surfaces which are opposite to a plurality of straight edges which are positioned on the supporting table and are in the same direction with the feeding direction, the operation direction of the chamfering components is consistent with the feeding direction of the blank to be processed, and the conveying mechanism is provided with a blank overturning structure capable of overturning the blank to be processed by at least 90 degrees.

The conveying mechanism comprises a conveying belt, a supporting plate and a cylindrical stop block, wherein the supporting plate is kept in a gap with the conveying belt by virtue of an external bracket, the stop block is arranged at the bottom end of one side of the supporting plate, which is close to the conveying belt, but is kept in a gap with the upper surface of the conveying belt, the length of the conveying belt is more than three times that of a blank to be processed, and the blank to be processed can be turned over at least 90 degrees on the supporting plate.

The conveying mechanism comprises two groups of conveying belts and two groups of supporting plates, wherein the two groups of conveying belts are fixed on the same vertical surface at a herringbone interval, the two groups of supporting plates are fixed on the same vertical surface at a herringbone interval, gaps are reserved between the two groups of supporting plates and the two groups of conveying belts by means of external brackets, the length of the conveying belts is larger than twice the length of blanks to be processed, and the blanks to be processed can be turned over on the two groups of supporting plates at least by 90 degrees.

The conveying mechanism in the technical scheme of the utility model consists of a V-shaped groove with a rotating shaft, wherein the V-shaped groove is provided with a weight sensor, the unilateral length of the V-shaped groove is larger than 1/2 of the length of a blank to be processed, and the blank to be processed can be rotated by more than 90 degrees by virtue of the V-shaped groove.

The number of the grinding assemblies is not less than three, preferably four.

The blank limiting clamp to be machined and the induction device are arranged in the first chamfering mechanism and the second chamfering mechanism, the blank limiting clamp to be machined is an L-shaped bending plate, the L-shaped bending plate is arranged between two groups of grinding assemblies and in the direction parallel to the bracket, the length of the blank limiting clamp to be machined is identical to the effective operation length of the grinding assemblies, the blank limiting clamp to be machined is driven by a motor through a connecting rod, the blank limiting clamp to be machined can be lifted or reset, and the induction device is arranged at the tail end of a long plate of the blank limiting clamp to be machined.

The sensing device in the technical scheme of the utility model is an optical sensing device arranged at the tail end of the blank limiting clamp to be processed.

The supporting table comprises a bottom frame and a bracket, wherein the two sides of the supporting table in the length direction are connected through gears, the bracket is connected with the bottom frame through a gear structure, and the bracket is subjected to angle adjustment by rotating gears through a hand wheel.

The clearance between the underframe and the bracket in the technical proposal of the utility model can expose one edge of the blank to be processed.

The auxiliary grinding assembly comprises a flat plate, a synchronizer and a stepping motor, wherein the flat plate is arranged on the side surface of the single auxiliary grinding assembly, the synchronizer is arranged on the flat plate, the stepping motor is positioned in the direction perpendicular to the grinding operation surface and far away from the supporting table, the flat plate where the synchronizer is positioned is connected and driven with the stepping motor through a connecting rod to realize the movement of the synchronous shaft, the grinding belt contacts with the edges of blanks to be processed during operation, and the first chamfering mechanism is provided with a feed end.

The utility model has the advantages that 1, the chamfering operation can be automatically carried out on the optical glass blank, the consistency effect of the operation quality is good, the processing efficiency is high, the learning cost is lower, 2, the applicability of the chamfering blank of the optical glass is good, the batch processing operation can be carried out, the manual stacking and stacking of the blank to be processed are not needed, and the processing operation does not need to be specific to the blank material type manufacturing, thereby having universality.

The utility model has the characteristics of simple structure and convenient operation. The utility model is mainly used for carrying out batch chamfering operation on the optical glass blanks.

Drawings

Fig. 1 is a schematic diagram of an isometric side structure of an optical glass blank beveling machine of the present utility model.

Fig. 2 is a schematic front view of the optical glass blank chamfering machine according to the present utility model.

Fig. 3 is a schematic top view of the optical glass blank beveling machine of the present utility model.

FIG. 4 is a cross-sectional view of the chamfering mechanism of the optical glass blank chamfering machine of the present utility model.

Fig. 5 is a schematic diagram showing the front view of the embodiment 4 of the novel optical glass blank chamfering machine.

The drawing comprises a 1-underframe, a 2-bracket, a 3-blank limiting clamp to be processed, a 4-grinding assembly, a 5-conveyor belt, a 6-supporting plate, a 7-stop block, an 8-feeding end, a 9-blank to be processed, a 10-first chamfering mechanism, an 11-conveying mechanism and a 12-second chamfering mechanism.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Embodiment 1 as shown in fig. 1 to 4, the present utility model is an optical glass blank chamfering machine comprising a first chamfering mechanism 10 and a second chamfering mechanism 12 and a conveying mechanism 11, the first chamfering mechanism 10 and the second chamfering mechanism 12 being connected via the conveying mechanism 11.

The first chamfering mechanism 10 and the second chamfering mechanism 12 have the same structure and comprise a bottom frame 1, a bracket 2, a blank limiting clamp 3 to be processed, an induction device and four pairs of grinding assemblies 4. As shown in fig. 4, the chassis 1 and the bracket 2 form a supporting table, the bracket 2 is connected with the chassis 1 by a gear structure at two sides of the length direction of the supporting table, the angle of the bracket 2 can be adjusted by a hand wheel, and the supporting table is attached to the adjacent surface of the blank to be processed and exposes the edge to be processed and cut. Four pairs of grinding assemblies 4 are distributed on the upper, lower, left and right sides of the supporting table, and a blank limiting clamp 3 to be processed is positioned in the direction parallel to the gap between the two grinding assemblies 4 and the bracket 2 and is used for stabilizing optical glass blanks in the process of grinding and chamfering. The operation direction of the sharpening assembly 4 is consistent with the feeding direction of the blank 9 to be machined. The sensing device is an optical sensing device and is arranged at the tail end of the blank limiting clamp 3 to be processed.

In this embodiment 1, the single pair of sharpening assemblies 4 may be made with a sharpening belt wound on a pair of movable synchronizing shafts. The single pair of grinding assembly 4 still includes dull and stereotyped, synchronous ware and step motor, and the dull and stereotyped setting is in single pair of grinding assembly 4 side, and the synchronous ware setting is on the dull and stereotyped, and step motor is located perpendicular to grinding the working face and keeps away from the supporting bench direction, and synchronous ware place dull and stereotyped is connected and drive with step motor through the connecting rod, realizes the removal of synchronizing shaft.

The conveyor mechanism 11 includes a conveyor belt 5, a carrier plate 6, and a stopper 7. The stopper 7 maintains a gap with the conveyor belt 5.

The feed end 8 is connected with a discharge hole of the rotary vibration crucible.

Before operation, the position and the movement distance parameters of the sharpening assembly 4 are adjusted according to the size of the blank 9 to be processed and the angle between two adjacent surfaces through the hand wheel, and the blank limiting clamp 3 to be processed is adjusted to be attached to the surface of the blank 9 to be processed. The billet 9 to be processed is placed in a rotary-vibration crucible connected to the feed end 8 and started. The blank 9 to be processed is arranged by a feed end 8 and enters a supporting table formed by a chassis 1 and a bracket 2 in a chamfering mechanism, a rotary vibration crucible connected with the feed end 8 pauses operation after receiving a continuous signal of the blank existing at the tail end of the blank limiting clamp 3 for a certain period of time, a synchronous shaft of a grinding assembly 4 drives a grinding belt to start to operate by taking the blank feeding direction as the grinding direction, and meanwhile, the blank 9 to be processed moves towards a set distance parameter in the direction of the blank 9 to be processed, the blank limiting clamp 3 to be processed is lifted when the grinding assembly 4 moves in place, the blank 9 to be processed moves towards a conveying mechanism and falls on a conveying belt 5. After the grinding operation is finished, the grinding assembly 4 is lifted, the blank limiting clamp 3 to be processed is reset, meanwhile, the tail end optical induction signal of the blank limiting clamp 3 to be processed is identified, and the rotary vibration crucible connected with the feed end 8 is started again.

The blank 9 to be processed is driven by the conveyor belt 5 in the feeding direction by friction force in the conveying mechanism 11, is inclined by taking the stop block 7 as a fulcrum under the driving of the conveyor belt 5, and is further turned by itself, and is then sent into the second chamfering mechanism 12 by the conveyor belt 5. The second chamfering mechanism 12 repeats the operation of the first chamfering mechanism 10 to finish the sharpening of each edge of the blank 9 to be machined.

Example 2:

On the basis of the embodiment 1, the underframe 1, the bracket 2 and the cutting and grinding assembly 4 in the chamfering mechanism are prolonged, the angle of the cutting and grinding assembly 4 is adjusted, and the blank limiting clamp 3 to be processed is canceled. The machining direction of the grinding assembly 4 is set to be the same as the blank feeding direction, blank chamfering operation can be completed when the blank moves on the supporting table, and at the moment, a sensing device is not required to be arranged to control the blank machining feeding period.

Example 3:

in example 2, the transfer mechanism 11 was replaced with a V-groove with a rotation shaft and provided with a weight sensor. After the blank 9 to be processed falls into the V-shaped groove by the first chamfering mechanism 10, the weight sensor recognizes and transmits an electric signal, the rotating shaft is started, and after the rotating shaft rotates by more than 90 degrees, the blank 9 to be processed is poured into the second chamfering mechanism 12 from the V-shaped groove and is reset.

Example 4:

As shown in fig. 5, on the basis of embodiment 2, the stopper 7 in the conveying mechanism 11 is omitted, a group of conveyor belts 5 and supporting plates 6 are additionally arranged, and the conveyor belts and the supporting plates are fixed on the same vertical surface in a herringbone shape at a proper angle and a proper interval with the original group. The blanks 9 to be processed are conveyed by the second conveyor belt to the second chamfering mechanism 12 after turning by gravity when falling and moving between the two conveyor belts 5.

Claims

1. The optical glass blank chamfering machine is characterized by comprising a first chamfering mechanism (10) and a second chamfering mechanism (12) which are identical in structure and a conveying mechanism (11) connected with the first chamfering mechanism and the second chamfering mechanism, wherein the first chamfering mechanism (10) and the second chamfering mechanism (12) are formed by a plurality of pairs of chamfering assemblies (4) and a supporting table, the pairs of chamfering assemblies (4) are distributed on a plurality of surfaces which are opposite to a plurality of straight edges which are positioned on the supporting table and are in the same direction with the feeding direction of a blank (9) to be machined, the operation direction of the chamfering assemblies (4) is consistent with the feeding direction of the blank (9) to be machined, and the conveying mechanism (11) is provided with a blank overturning structure capable of overturning the blank (9) to be machined by at least 90 degrees.

2. The optical glass blank chamfering machine according to claim 1, wherein the conveying mechanism (11) comprises a conveying belt (5), a supporting plate (6) and a cylindrical stop block (7), the supporting plate (6) is kept in a gap with the conveying belt (5) by means of an external support, the stop block (7) is arranged at the bottom end of one side of the supporting plate (6) close to the conveying belt (5) and kept in a gap with the upper surface of the conveying belt (5), the length of the conveying belt (5) is larger than three times that of a blank (9) to be processed, and the blank (9) to be processed can be turned over on the supporting plate (6) at least 90 degrees.

3. An optical glass blank chamfering machine according to claim 1, wherein the conveying mechanism (11) is composed of two groups of conveying belts (5) and two groups of supporting plates (6), the two groups of conveying belts (5) are fixed on the same vertical surface at a herringbone interval, the two groups of supporting plates (6) and the two groups of conveying belts (5) are kept with a gap by means of an external support, the length of the conveying belts (5) is larger than twice the length of a blank (9) to be processed, and the blank (9) to be processed can be turned over on the two groups of supporting plates (6) at least by 90 degrees.

4. An optical glass blank chamfering machine according to claim 1, wherein the conveying mechanism (11) is composed of a V-shaped groove with a rotating shaft, the V-shaped groove is provided with a weight sensor, the single side length of the V-shaped groove is larger than 1/2 of the length of a blank (9) to be processed, and the blank (9) to be processed can be rotated by more than 90 degrees through the V-shaped groove.

5. The optical glass blank beveling machine according to claim 1, wherein the number of the multiple grinding units (4) is not less than three.

6. The optical glass blank chamfering machine according to any one of claims 1-5 is characterized in that a blank limiting clamp (3) to be machined and an induction device are arranged in each of the first chamfering mechanism (10) and the second chamfering mechanism (12), the blank limiting clamp (3) to be machined is an L-shaped bending plate, the L-shaped bending plate is arranged between two groups of grinding assemblies in the direction parallel to a bracket, the length of the blank limiting clamp (3) to be machined is identical to the effective operation length of the grinding assemblies (4), the blank limiting clamp is driven by a motor through a connecting rod, and the induction device is arranged at the tail end of the blank limiting clamp (3) to be machined and can enable the blank limiting clamp to have a lifting or resetting function.

7. The optical glass blank chamfering machine according to claim 6, wherein the sensing device is an optical sensing device arranged at the tail end of the blank limiting clamp (3) to be processed.

8. The optical glass blank chamfering machine according to any one of claims 1-5 and 7 is characterized in that the supporting table consists of a bottom frame (1) and a bracket (2), wherein the two sides of the supporting table in the length direction are connected through gears, the bracket (2) is connected with the bottom frame (1) through a gear structure, and the angle of the bracket (2) is adjusted by rotating gears through a hand wheel.

9. An optical glass blank beveling machine according to claim 8, wherein the gap between the bottom frame (1) and the bracket (2) is used for exposing one edge of the blank (9) to be processed.

10. An optical glass blank chamfering machine according to any one of claims 1-5, 7 and 9, wherein the grinding assembly (4) is made of a grinding belt around a pair of movable synchronizing shafts, the single grinding assembly (4) further comprises a flat plate, a synchronizer and a stepping motor, the flat plate is arranged on the side face of the single grinding assembly (4), the synchronizer is arranged on the flat plate, the stepping motor is located in the direction perpendicular to the grinding operation face and far away from the supporting table, the flat plate where the synchronizer is located is connected and driven with the stepping motor through a connecting rod to realize movement of the synchronizing shafts, the grinding belt contacts with edges of blanks (9) to be processed in operation, and the first chamfering mechanism (10) is provided with a feeding end (8).