Flexible clamping structure of code wheel of reflecting photoelectric encoder

A photoelectric encoder, reflective technology, applied in the direction of instruments, measuring devices, conversion sensor output, etc., can solve the problems of poor temperature adaptability and vibration and shock resistance, poor economy of indium steel code disc seat, poor eccentricity stability of code disc, etc. , to achieve the effects of good temperature adaptability, good vibration and shock resistance, and small eccentric changes

Active Publication Date: 2014-11-19
长春光机科技发展有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to overcome the defects existing in the prior art, the object of the present invention is to solve the technical problems such as poor temperature adaptability, poor vibration and impact resistance, poor eccentric stability of the code disc and poor economy of using indium steel code disc seat in the existing code disc clamping.

Method used

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  • Flexible clamping structure of code wheel of reflecting photoelectric encoder
  • Flexible clamping structure of code wheel of reflecting photoelectric encoder
  • Flexible clamping structure of code wheel of reflecting photoelectric encoder

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Embodiment Construction

[0011] The flexible clamping structure of the code disc of the reflective photoelectric encoder according to the present invention figure 1 , figure 2 , image 3 , Figure 4 The implementation of the shown structure includes a code disc seat 2 and a stopper 3; a double flexible hinge rod 21 is provided on the code disc seat 2, and an adhesive disc 22 bonded to the code disc is provided at the suspended end of the double flexible hinge rod. The hinge rod 21 is evenly distributed along the circumference of the code disc bonding area on the code disc seat, at least 3; the stopper 3 is fixedly connected with the code disc seat 2 by screws, and the stopper 3 is evenly distributed along the inner circumference of the code disc seat, and is connected with the code disc seat. Leave a small gap between the plates.

[0012] The code disc seat is made of the same material as the rotating shaft, generally 40Cr, and the double flexible hinge rod 21 and the adhesive disc 22 are integral...

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Abstract

The invention discloses a flexible clamping structure of a code wheel of a reflecting photoelectric encoder, relating to the technical field of code wheel clamping of an encoder for solving the technical problems, such as bad temperature adaptability and bad economic efficiency due to adoption of an indium steel code wheel base and the like in the existing code wheel clamping. The flexible clamping structure of the reflecting photoelectric encoder code wheel, disclosed by the invention, comprises a code wheel base and a baffle block; a dual-flexibility hinge rod is designed and processed on the code wheel base; a bonding plate bonded with the code wheel is designed at a suspended end of the dual-flexibility hinge rod; the baffle block is fixedly connected with the code wheel base, does not contact the code wheel, and plays a safety protection role after being degummed, so as to prevent the code wheel from being damaged. The flexible stiffness of the hinge rod is optimized, so that the eccentric stability of the code wheel is ensured, and the temperature adaptability and vibration impact resistance of the code wheel are also improved.

Description

technical field [0001] The invention relates to a code disc clamping technology of an encoder, in particular to a clamping structure for flexible bonding of a reflective photoelectric shaft angle encoder code disc. Background technique [0002] The clamping of the code disc of the encoder usually adopts a pressure plate or bonding. When the pressure plate clamps the code disc, the pressing force of each point cannot be kept completely consistent. Due to the inconsistency of the thermal expansion coefficient of the code disc and the code disc seat, when the temperature changes, it will cause There will be a tendency to slip at the contact position. If the pressure on the pressure plate is too high to hinder the slip, the stress will deform the code disc. When the temperature changes to a certain extent, the stress is greater than the strength limit of the code disc, which will cause the code disc to break; if the pressure If the contact position is not too large, the contact ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D5/347
Inventor 陈宝刚王显军杨飞李剑锋王富国
Owner 长春光机科技发展有限责任公司
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