Crystal blank automatic polishing system

Abstract

A system for automatically grinding and polishing a crystal blank comprises: a first rotary frame (15) provided with a head (151), an upper hemisphere grinding station (11) and a polishing station (12, 13); a second rotary frame (75) provided with a head, a lower hemisphere grinding station (71) and a polishing station (72, 73); a loading station (4); a butting station (3); an unloading station (6); a first transfer mechanism (2) capable of picking up and putting down a fixture (8) and transferring the fixture (8) among the loading station (4), the butting station (3) and the head (151) of the first rotary frame (15); and a second transfer mechanism (5) capable of picking up and putting down the fixture (8) and transferring the fixture (8) among the butting station (3), the unloading station (6) and head (751) of the second rotary frame (75). Also provided is a full automatic grinding and polishing system with the same principle and used for processing an inclined plane of a hemisphere of a crystal blank. The invention not only can realize full automatic grinding and polishing of the crystal blank and ensure the grinding and polishing quality, but also can fully utilize the advantages of the existing machine model, simplify the complex mechanism action, and be easy to manufacture and maintain.

Description

technical field [0001] The invention relates to the field of grinding and polishing of crystal products, in particular to an automatic grinding and polishing system for crystal blanks for automatic grinding and polishing of crystal blanks, and auxiliary machinery involved in the system. Background technique [0002] Existing multi-station crystal bevel grinding and polishing machines all adopt a plurality of heads fixed with rhinestone fixtures to rotate for multi-station processing. For example, the patent document whose publication number is CN201179615Y discloses a kind of automatic loading and unloading rhinestone bevel grinding and polishing. The machine includes a frame, on which two rotating frames are arranged side by side, and a machine head is arranged on each of the four sides of the rotating frame, which constitutes seven stations, which are the feeding station, the front hemisphere rough grinding station, and the front hemisphere polisher. position, docking stat...

AI Technical Summary

Problems solved by technology

During the actual implementation of this technical solution, the inventor found the following problems: First, at the docking station, the two docking fixtures are respectively located on the two rotating frames, which requires high manufacturing precision and is difficult Ensure the docking accuracy; secondly, the machine is large in size, which is difficult to manufacture and transport; thirdly, the space for the docking station, loading station, and unloading station is limited, and the complex structure design and cumbersome actions affect the processing efficiency

However, because the fixtures are circulated on the fixture seats of each processing station, for a crystal blank on a specific fixture, in order to ensure the consistency of its processing at each station, it is necessary to ensure that the fixtures are compatible with each work station. The matching consistency of the fixture seat on the position (including the consistency of the grinding and polishing angle, the turning angle, etc.), and once there is an error, the error accumulation and amplification effect will appear, which is especially important for the grinding and polishing station. If If there is an inconsistency between front and back matching and positioning, the subsequent polishing process will not polish the inclined surface processed by the previous grinding process, resulting in a greatly reduced polishing effect. Accurate positioning on the surface is very important, but for the existing technology and mechanism, it is still quite difficult to achieve the consistency of the fixture and the fixture seat of each station and the accurate positioning of the machine automatically, and there are complicated and cumbersome mechanism actions, which are easy to Failures, high maintenance costs, etc.

Similarly, the use of a complete machine structure also has problems such as large volume and difficulty in transportation and manufacturing.

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