Device for detecting cam profile

A technology for detecting device and cam profile, which is applied to measuring devices, optical devices, instruments, etc., can solve the problem of not being able to adapt to the production of automatic cam lines, and achieve the effects of good system dynamic performance, wide range of motion speed and high measurement accuracy.

CN102147238AInactive Publication Date: 2011-08-10CHANGZHOU INST OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2011-08-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a device for detecting cam profiles, which has the advantages of simple structure, high detection precision and higher efficiency. The device comprises a numerical control turntable, a linear motor, a laser measuring head, a grating scale displacement sensor, an encoder and an industrial personal computer, wherein the numerical control turntable is used for driving the cam to horizontally and coaxially rotate around a vertical mandrel; the linear motor is horizontally arranged on one side of the numerical control turntable; the laser measuring head is arranged on the active cell of the linear motor and at one side of the cam; the grating scale displacement sensor is used for measuring the horizontal displacement of the active cell; the encoder is used for detecting the rotation angle of the cam; and the industrial personal computer controls the numerical control turntable and the linear motor to act and obtains the outer profile data of the cam according to data measured by the laser measuring head, the grating scale displacement sensor and the encoder.
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Description

technical field

[0001] The invention relates to a cam profile detection device and a detection method thereof. Background technique

[0002] Cam mechanisms are widely used in various automatic machinery, precision instruments, automatic control systems, etc. To achieve high-precision, high-efficiency detection of cams, correct processing and evaluation of its various errors, and timely and rapid feedback of cam quality information, traditional optical-mechanical measuring instruments and manual data processing methods can no longer adapt to the wide range of cams. The need for automatic line production is adopted. With the rapid development of the automobile industry, engineering machinery, etc. and the continuous improvement of manufacturing technology, how to improve the detection accuracy and efficiency of cam machining accuracy is a technical problem to be solved in this field. Contents of the invention

[0003] The technical problem to be solved by the present inven...

Examples

Embodiment Construction

[0021] See Figure 1-2 , the cam profile detection device of the present embodiment includes: a numerically controlled turntable 1 for driving the cam 10 to rotate horizontally coaxially around a vertical mandrel 1-1, a linear motor 3 horizontally arranged on one side of the numerically controlled turntable 1, and a linear motor 3 arranged on the On the mover 3-1 of the linear motor 3 and the laser measuring head 2 on one side of the cam 10, the grating scale displacement sensor 4 for measuring the horizontal displacement of the mover 3-1, for detecting the rotation of the cam 10 Encoder 5 of angle, and industrial computer; The industrial computer controls the action of the numerically controlled turntable 1 and the linear motor 3, and obtains according to the data measured by the laser measuring head 2, the grating ruler displacement sensor 4 and the encoder 5 Outline data of the cam 10.

[0022] As an optimal implementation, the centerline of the stator 3-2 of the linear mo...