Alarm device and method for chip clamping of machine tool spindle based on strain gauge pressure sensor
A technology of pressure sensor and machine tool spindle, which is applied in the detection field, can solve the problems of impact, difficult transmission path of detection data, remote monitoring and control, etc., so as to prolong the life of the milling machine, improve the machining accuracy, and avoid the effect of bad wear
Inactive Publication Date: 2018-03-13
NORTHEASTERN UNIV
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Problems solved by technology
[0006] Purpose of the invention: The purpose of the present invention is to solve the problem that the wireless pressure sensor existing in the prior art is difficult to install on the CNC milling machine; it is difficult to establish the relationship between the measured value of the pressure sensor and the spindle chip; the detection data is not easy to transmit and the transmission path is easily affected; Problems such as inability to monitor and control remotely
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Embodiment Construction
[0032] The present invention is a chip trapping alarm device for the main shaft of a machine tool. Its technical idea is to use a pre-embedded method to assemble a wireless pressure sensor into the inside of the tool body, and convert the weight pressure of the chuck on the tool handle into the joint surface of the tool handle and the main shaft. The relationship between the chip size and the regular monitoring of milling machine processing through wireless signal transmission and reception.
[0033] The structure of the present invention includes: a collet 3; a pull rivet connecting body 9 is installed in the countersink hole seat at the upper end of the collet 3; a countersink is arranged on the rivet connecting body 9, and a There is a pressure sensor 8; the pull rivet connecting body 9 is fixed with the chuck 3 through the sensor pressure plate 6;
[0034] The pressure sensor 8 is equipped with a wireless bluetooth module; the pressure sensor 8 is equipped with a positioni...
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The invention is a chip-inclusion alarm device for a machine tool spindle. It adopts a pre-embedded method to assemble a wireless pressure sensor into the interior of the tool body, and converts the change in the weight and pressure of the chuck on the tool holder into the chip size on the joint surface of the tool holder and the spindle. relationship, and perform regular monitoring of milling machine processing through wireless signal transmission and reception. The structure of the present invention includes a standard chuck; a rivet connector is installed in the countersunk hole seat at the upper end of the chuck; the rivet connector has a countersunk hole, and a pressure sensor is installed in each countersunk hole; the rivet connection The body is fixed by the sensor pressure plate and the chuck; the rivets pass through the holes of the sensor pressure plate and the rivet connection body and are fixed with set screws. Each sensor is connected to the computer through wireless signals.
Description
technical field [0001] The invention belongs to the technical field of detection, and in particular relates to a chip trapping alarm device and method for a machine tool spindle based on a non-contact pressure sensor. Background technique [0002] CNC machine tools are the workhorses of the manufacturing industry, and milling machines are the most important members of CNC machine tools. Milling machines can process flat, grooved, and toothed parts, especially spiral surfaces and various curved surfaces have their unique advantages. For manufacturing industries such as aviation, aerospace, shipbuilding, automobiles and molds, high-end CNC machine tools are required as important production tools. Efficiency, precision, reliability, and intelligence are the main development trends of CNC milling machines. However, the tool misalignment and control of CNC milling machines due to chip clamping in the spindle have always been one of the problems that cannot be ignored in machine ...
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Login to View More IPC IPC(8): B23Q17/00B23Q11/00
CPCB23Q11/0089B23Q17/007
Inventor 李晖李焕军王立博黄明浩白鹤康项兆龙李政泽张锐玺
Owner NORTHEASTERN UNIV