High-precision electric spindle thermal elongation detection device
A detection device, electric spindle technology, applied in measuring/indicating equipment, metal processing mechanical parts, metal processing equipment and other directions, can solve the problems of low product quality, high defect rate, inaccurate measurement accuracy, etc., to reduce the defect rate, The effect of accurate thermal elongation and improved product quality
Pending Publication Date: 2018-01-19
GUANGZHOU HAOZHI ELECTROMECHANICAL
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Problems solved by technology
However, after the spindle heats up, the overall spindle will elongate in the depth direction, and the non-contact sensor installed on the spindle end cover can only measure the elongation of the mover relative to the sleeve, not the overall elongation of the spindle in the depth direction , so the measurement accuracy is not accurate enough, resulting in lower product quality and higher defect rate
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[0024] Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .
[0025] Such as figure 1 A high-precision electric spindle thermal elongation detection device shown includes a sleeve 1, a spindle 2 for connecting with a driving mechanism, a measuring disc 3, a clamp 4 for fixing the sleeve 1, and a measuring disc for detecting 3 The displacement sensor 5 on the main shaft 2 and the adjustment device 6 for adjusting the distance between the displacement sensor 5 and the measuring disc 3, the main shaft 2 is rotatably installed in the sleeve 1, and the measuring disc 3 is fixed on the lower end of the main shaft 2, The holding clip 4 is socketed on the sleeve 1, the displacement sensor 5 is located on the top of the ...
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Disclosed is a high-precision electric spindle thermal elongation detection device. The high-precision electric spindle thermal elongation detection device comprises a sleeve, a spindle, a measuring disc, an embracing clamp, a displacement sensor and an adjusting device, wherein the spindle is used for being connected with a driving mechanism, the embracing clamp is used for fixing the sleeve, thedisplacement sensor is used for detecting the position of the measuring disc on the spindle, and the adjusting device is used for adjusting the distance between the displacement sensor and the measuring disc. The spindle is installed in the sleeve in a rotatable mode, the measuring disc is fixed to the lower end of the spindle, the embracing clamp is connected to the sleeve in a sleeving mode, the displacement sensor is located on the top of the measuring disc and connected with the adjusting device, and the adjusting device is fixedly connected with the embracing clamp. By the adoption of the high-precision electric spindle thermal elongation detection device, the precision of thermal elongation measurement can be improved, the product quality can be improved, and the reject ratio can bereduced.
Description
technical field [0001] The invention relates to a high-precision electric spindle technology, in particular to a high-precision electric spindle thermal elongation detection device. Background technique [0002] At present, the high-precision electric spindle, as the core component of the CNC machine tool, enables the machine tool to achieve zero transmission, which greatly improves the machining accuracy and efficiency of the machine tool. With the increase of the speed and power of the electric spindle, the heating value of the spindle is also increasing, and its thermal elongation in the axial direction is also increasing. For some parts whose size is required in the depth direction, the elongation in the depth direction will seriously affect the machining accuracy, so it is necessary to use the detection device to detect the thermal elongation of the high-precision electric spindle. [0003] However, the existing high-precision electric spindle thermal elongation detect...
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Inventor 余辉汤秀清
Owner GUANGZHOU HAOZHI ELECTROMECHANICAL