Rotation measuring head, measuring machine and realization method of the rotation measuring head
A probe and probe base technology, applied in the field of measurement, can solve the problems of waste of side rod travel and increase in cost, and achieve the effect of reducing cost and continuous measurement
Active Publication Date: 2015-11-11
青岛星华智能装备有限公司
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Problems solved by technology
[0004] At the same time, for the rotary measuring head in the prior art, the gemstone ball head is installed on the measuring head seat through the side rod, and the length of the side rod wastes the stroke. Taking the measurement of a 200mm workpiece as an example, the effective stroke of the measuring head may be required It can only be achieved at 400mm, resulting in an increase in cost
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[0028] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0029] combine Figure 1~6 This embodiment will be described. Such as figure 1 As shown, it is a three-coordinate measuring machine 1 with a rotating measuring head. This embodiment discloses a rotating measuring head and a measuring machine provided with the rotating measuring head, the rotating measuring head is as figure 1 As shown, it is installed on a three-coordinate measuring machine 1, including a probe body 4, a probe base 2 that drives the probe body 4 to rotate, the probe base 2 is provided with at least one rotary axis, and the probe body 4 includes a jewel ball 5 , The center of the gemstone ball head 5 is located on the axis 6 of the rotary shaft. The motor in the probe base 2 drives the probe body 4 to perform indexing. In order to realize the indexing, the probe base 2 is provided with one or two rota...
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The invention discloses a rotation measuring head and a measuring machine provided with the rotation measuring head. The rotation measuring head comprises a measuring head body and a measuring head seat driving the measuring head body to rotate. The measuring head seat is provided with at least one rotating shaft. The measuring head body comprises a gem ball head. A ball center of the gem ball head is located at a rotating shaft axis. A visual sense auxiliary apparatus used for detecting whether a ball center coordinate of the gem ball head is located at the rotating shaft axis of the measuring head seat is also included. The visual sense auxiliary apparatus comprises a camera and a backlight plate. The backlight plate is arranged on one side of the gem ball head. A plate surface of the backlight plate is vertical to the rotating shaft axis to be measured. The camera and the backlight plate are arranged oppositely. The invention also discloses a method of realizing the rotation measuring head. By using the rotation measuring head, the measuring machine and the method, recalibration is not needed during each transposition so that continuous measurement can be realized; simultaneously a requirement to motor precision in the measuring head seat is not high and effective stroke wastes are reduced.
Description
technical field [0001] The invention relates to the technical field of measurement, in particular to a rotating measuring head, a measuring machine provided with the rotating measuring head, and a method for realizing the rotating measuring head. Background technique [0002] With the development of industry and the advancement of science and technology, many parts are miniaturized in size and freely complicated in shape. Due to the need for three-dimensional measurement of the free-form surface, in actual measurement, the probe needs to constantly change the spatial position to complete the scanning of the sampling points. In practical applications, the coordinate measuring machine is often used to obtain the spatial position of the probe, and then the three-dimensional coordinate information of the measured point on the free-form surface is obtained through coordinate transformation, and then the scanning measurement of the measured surface is completed. [0003] At prese...
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Login to View More IPC IPC(8): G01B21/00
CPCG01B21/00
Inventor 于浩源
Owner 青岛星华智能装备有限公司