Fixture and method for machining sapphire watch glass
A processing method, sapphire technology, applied in the direction of manufacturing tools, metal processing equipment, grinding workpiece supports, etc., can solve problems such as high cost, affecting product quality, and unsmooth rotation of jig 4
Inactive Publication Date: 2017-12-12
湖北天宝光电科技有限公司
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Problems solved by technology
[0005] The above method of using the top fixing jig often causes the jig 4 to rotate unsmoothly due to the wear of the top 2 or the center of the jig 4, which affects the product quality; Grinding steel heat treatment, consumes a lot and costs a lot
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[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that the drawings are all in a very simplified form and use imprecise ratios, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.
[0024] The main technical scheme that the present invention solves its technical problem adopts is:
[0025] 1. Change the previous very sharp tip to a ejector pin with a certain taper;
[0026] 2. Change the insert on the back of the jig to a small bearing that costs less than 2 yuan;
[0027] 3. During processing, the contact between the ejector rod and the bearing produces more efficient movement.
[0028] Specifically, the invention provides a processing fixture for sapphire watch lenses, such as figure...
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The invention provides a fixture and method for machining sapphire watch glass. The fixture for machining the sapphire watch glass comprises a jacking rod, a rotating piece, a bearing and a rotatable grinding head, the outer circle of the bearing is fixed to a first side of the rotating piece, and the jacking rod is inserted and fixed into the inner circle of the bearing so that the rotating piece can rotate relative to the jacking rod; the jacking rod is used for pressing the sapphire watch glass on the rotatable grinding head through a second side of the rotating piece, the rotatable grinding head drives the sapphire watch glass and the rotating piece to rotate so as to grind the sapphire watch glass; and the first side is parallel to the second side. The bearing is inlaid in the rotating piece, the bearing is pressed by the jacking rod, the problem that the fixture does not rotate smoothly is solved thoroughly, in addition, due to the fact that basically no relative movement is generated when the jacking rod is in contact with the bearing, no abrasion phenomenon happens, loss is small, and accordingly the loss cost of an ejector pin and a fixture insert are reduced greatly.
Description
technical field [0001] The invention relates to the field of sapphire lens processing, in particular to a jig and method for processing sapphire watch lenses. Background technique [0002] As we all know, sapphire processing is a difficult technology in the entire glass processing industry, and low yield and low production capacity are always the targets of the entire sapphire technology. [0003] For some products with special shapes, such as: spherical glass, hat glass and other special irregular samples, it is necessary to use the most common equipment in the industry, the six-axis fine grinder. The principle of the equipment is as follows: figure 1 As shown: the sapphire product 1 is placed between the grinding head 5 and the fixture 4, the bottom of the grinding head 5 is connected to the main shaft 6, and the main shaft 6 drives the grinding head 5 to rotate. After the grinding head 5 and the main shaft 6 are fixed, the product is adsorbed on the jig 4 with water, and...
Claims
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IPC IPC(8): B24B27/00B24B41/06B24B47/12
CPCB24B27/00B24B41/06B24B47/12
Inventor 黎锦林
Owner 湖北天宝光电科技有限公司