Workpiece dimension measuring device
A technology for measuring devices and workpieces, applied in the directions of measuring devices and instruments, can solve the problems of inflexible rotation of bearings and influence of workpiece measurement accuracy, and achieve the effects of reliable performance, reasonable structure, simplicity and convenience
Inactive Publication Date: 2014-04-09
潘旭华
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Problems solved by technology
[0002] Existing workpiece size measuring devices usually use two levers, one of which clamps the workpiece, and the other end is equipped with a length sensor. There is a bearing support in the middle of the two levers. When the bearing is slightly worn or dirt enters, it will cause The rotation of the bearing is not flexible, which has a great impact on the measurement accuracy of the workpiece
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[0008] specific implementation plan
[0009] Such as figure 1 As shown, a workpiece size measuring device includes a fixed seat 1, which is characterized in that: the fixed seat 1 is provided with two slender rods 2, and one end of the two slender rods 2 is fixed on the fixed seat 1, and the other end is clamped Hold the workpiece 3, and a length sensor is installed near the workpiece 3. The sensor seat 4 of the length sensor is fixed on one of the slender rods 2, and the moving head 5 of the sensor is on the other slender rod 2. Dimensional changes will change the distance between the two slender rods, which will cause changes in the readings of the length sensor and measure the size of the workpiece.
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The invention belongs to the machining field and particularly relates to a workpiece dimension measuring device. The workpiece dimension measuring device comprises a fixing seat. The workpiece dimension measuring device is characterized in that the fixing seat is provided with two fine long rods, one ends of the two fine long rods are fixed on the fixing seat, the other ends of the two fine long rods clamp a workpiece, a portion near the workpiece is equipped with a length sensor, a sensor seat of the length sensor is fixed on one of the two fine long rods, a moving head of the sensor presses against the other one of the two fine long rods, the distance between the two fine long rods changes along with dimension change of the workpiece, so change of the reading value of the length sensor occurs, and the workpiece dimension is measured. The workpiece dimension measuring device employs the two fine long rods of which one ends are fixed, an original lever and an original bearing are not needed any longer, and a workpiece measuring error caused by inflexible bearing rotation due to bearing wearing or dirt intrusion is avoided. The workpiece dimension measuring device has advantages of reasonable structure, simple and convenient operation, high measuring precision and reliable performance.
Description
technical field [0001] The invention belongs to the mechanical processing category, in particular to a workpiece size measuring device. Background technique [0002] Existing workpiece size measuring devices usually use two levers, one of which clamps the workpiece, and the other end is equipped with a length sensor. There is a bearing support in the middle of the two levers. When the bearing is slightly worn or dirt enters, it will cause The rotation of the bearing is not flexible, which has a great impact on the measurement accuracy of the workpiece. Contents of the invention [0003] The object of the present invention is to provide a workpiece size measuring device with reasonable structure, simple and convenient, high measuring precision and reliable performance in view of the deficiencies of the prior art. [0004] Technical scheme of the present invention is as follows: [0005] A workpiece size measuring device, including a fixed seat, characterized in that: two ...
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IPC IPC(8): G01B21/02
Inventor 潘旭华
Owner 潘旭华