Special automatic dividing device with three-jaw chuck for numerically-controlled tire mold
A technology for three-jaw chucks and tire molds, which is applied to chucks and other directions, can solve problems such as heavy weight, high defective rate, and product precision that cannot meet the requirements, and achieve the effect of improving processing accuracy
Active Publication Date: 2016-11-23
QINGDAO YONGHEYUAN PRECISION WORK
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Problems solved by technology
However, since the three-jaw chuck can only be clamped once during the clamping process, and the tire mold is generally made of metal and has a large weight, it is difficult for the three-jaw chuck to rely on its own expansion force to push the tire mold into place during the clamping process. Adjust to the precise position, the precision of the products processed in this way cannot meet the requirements, and the defective rate is high
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[0020] see Figure 1-3 , a three-jaw chuck automatic portioning device for CNC tire molds, which includes a workbench 1, a three-jaw chuck 2 is arranged on the workbench 1, a turntable 10 is arranged below the three-jaw chuck 2, the three The claw chuck 2 includes a disc body 21 and three claws 22 that are clamped or loosened in the radial direction. The three claws 22 are arranged at intervals of 120 degrees in the circumferential direction, and the claws 22 are driven by a drive mechanism 23 along the radial direction. direction movement; the top of the three-jaw chuck 2 is provided with a processing head 4 for processing the tire mold 3 to be processed, and the processing head 4 can be selected from a drill bit, a milling head, a cutting head, etc., and the processing head 4 is fixed by a bracket 5 On the workbench 1, the processing head 4 points vertically downward to the tire mold to be processed 3; the workbench 1 is provided with a jacking device 6 for supporting the ti...
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The invention discloses a special automatic dividing device with a three-jaw chuck for a numerically-controlled tire mold. The special automatic dividing device comprises a work table, the three-jaw chuck is arranged on the work table, and a machining head used for machining the tire mold to be machined is arranged above the three-jaw chuck, is fixed to the work table through a support and vertically points to the tire mold to be machined downwards; the work table is provided with jacking devices used for supporting the tire mold to be machined, and the jacking devices are located outside the horizontal projection of the three-jaw chuck; and four through-beam type photoelectric sensors are arranged on a board of the work table, detection light of the four through-beam type photoelectric sensors defines a closed rectangular detection space, and the center of the rectangular detection space is located on the axis of the three-jaw chuck. According to the special automatic dividing device with the three-jaw chuck for the numerically-controlled tire mold, the position of the chuck can be repeatedly adjusted, and then the machining accuracy can be effectively improved.
Description
technical field [0001] The invention relates to the technical field of tire mold processing equipment, in particular to a special three-jaw chuck automatic portioning device for digitally controlled tire molds. Background technique [0002] At present, the clamping of the special automatic drilling machine for CNC tire molds generally adopts ordinary double-sided clamping devices, and the workpiece is clamped by shaking the handle. However, this clamping method is often accurate in the vertical direction, but it is often difficult to control and clamp in the horizontal direction. It is easy to slip along the two clamping surfaces when drilling, so that the drilling surface is not parallel, resulting in a reduction in machining accuracy, which brings inconvenience to production and processing, not only affects machining accuracy, but also lowers production efficiency. Chinese patent document CN203091789U discloses a three-jaw linkage chuck for an automatic drilling and portio...
Claims
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IPC IPC(8): B23B31/16B23B31/36
CPCB23B31/16B23B31/36
Inventor 张坤
Owner QINGDAO YONGHEYUAN PRECISION WORK