Centering type locking mechanism based on piezoelectric motor drive

A piezoelectric motor and locking mechanism technology, applied in the direction of generator/motor, piezoelectric effect/electrostrictive or magnetostrictive motor, positioning device, etc., can solve the problems of complex structure, electromagnetic interference, etc. Simplified assembly process, no electromagnetic interference, and improved reliability

Active Publication Date: 2016-05-25
圣昌(鸡西)科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problems of complex structure and elect

Method used

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  • Centering type locking mechanism based on piezoelectric motor drive
  • Centering type locking mechanism based on piezoelectric motor drive
  • Centering type locking mechanism based on piezoelectric motor drive

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0030] Specific embodiment one: reference Figure 1 to Figure 3 To describe this embodiment in detail, the centering locking mechanism based on piezoelectric motor drive described in this embodiment includes four clamping jaws 1, a limit plate 2, a clamping body 3, four springs 4, and a wedge drive Shaft 5, two output shaft sleeves 6, motor fixing plate 7 and piezoelectric motor 8,

[0031] The clamping body 3 is a cube structure with an open upper end, and a U-shaped groove is provided in the middle of the top of the four side walls of the clamping body 3. Each U-shaped groove is provided with a clamping jaw 1 along the up and down direction, and the U-shaped groove and the clamping Claw 1 is hinged by bolts, and the bottom ends of the four clamping jaws 1 are fixed together;

[0032] The lower end of each jaw 1 is connected to one end of a spring 4; the other end of each spring 4 is respectively connected to a hole on the side wall of the clamping body 3,

[0033] The limit plate...

Example Embodiment

[0042] Specific embodiment 2: This embodiment is a further description of the centering locking mechanism based on piezoelectric motor drive described in specific embodiment 1. In this embodiment, the upper transducer 8-1 and the lower transducer The energy device 8-3 and the vertical transducer 8-2 are both a composite body composed of a metal body and a piezoelectric ceramic sheet by pasting or clamping,

[0043] The upper transducer 8-1 is symmetrically provided with sliding block fixing grooves 8-1-3 along the two sides along the length of the vertical transducer 8-2, and each sliding block fixing groove 8-1-3 is embedded with A slider 9, which is fixedly connected to the motor fixing plate 7,

[0044] The lower transducer 8-3 is provided with mounting seats 8-3-3 symmetrically along two sides of the length direction of the vertical transducer 8-2,

[0045] The lower transducer 8-3 is connected to the motor fixing plate 7 through the mounting base 8-3-3.

[0046] In this embodime...

Example Embodiment

[0048] Specific embodiment three: This embodiment is a further description of the centering locking mechanism based on piezoelectric motor drive described in specific embodiment 1. In this embodiment, the drive shaft on the wedge drive shaft 5 is a hollow shaft , Wedge head and drive shaft are connected by thread.

[0049] In this embodiment, the drive shaft is designed as a hollow shaft to reduce the quality of the shaft. At the same time, the wedge head and the drive shaft are processed separately, and then connected by threads, so that it consumes less materials and is convenient for processing.

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Abstract

The invention discloses a centering type locking mechanism based on piezoelectric motor drive and relates to the technical field of automatic clamping mechanism equipment of machine tools or machining centers. The centering type locking mechanism aims at solving the problems that an existing electromagnetic motor drive type locking mechanism is complex in structure, and electromagnetic interference exists. According to the centering type locking mechanism, a clamp and clamping claws are hinged through bolts, limiting plates are connected with the top ends of side walls of the clamp, a wedge head driving shaft penetrates through two output shaft sleeves, one output shaft sleeve is connected with the center of the bottom surface of the clamp to be fixed, the other output shaft sleeve is connected with a motor fixing plate, a wedge head of the wedge head driving shaft is connected with the bottom ends of the four clamping claws, two driving feet of a piezoelectric motor are connected with the output shaft sleeves, forward voltage and backward voltage are applied to all piezoelectric ceramic pieces on the piezoelectric motor, reciprocating motion of the wedge head driving shaft is controlled by controlling the timing sequence of applying the voltage to the piezoelectric ceramic pieces, and thus the locking and unlocking functions of the locking mechanism are achieved. The centering type locking mechanism can be applied to manufacturing of automatic locking mechanism equipment of numerical control machine tools or machining centers.

Description

technical field [0001] The invention relates to the application of piezoelectric motor drive to a centering locking mechanism, and relates to the technical field of automatic clamping mechanism equipment for machine tools and machining centers. Background technique [0002] The centering locking mechanism is often used in the fixture design of various machine tools and machining centers, and its most basic function is to position and clamp the workpiece during the workpiece processing. In order to realize the automatic processing process, it is necessary to equip the locking mechanism with a power source to realize the automatic locking process. At present, the mature automatic locking mechanism adopts rotating electromagnetic motor as the driving element. Since the output motion of the electromagnetic motor is rotary motion, the speed is high and the output is small, it generally needs to cooperate with the reducer and transmission mechanism to realize deceleration, force i...

Claims

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Application Information

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IPC IPC(8): B23Q3/06H02N2/02
CPCB23Q3/06H02N2/02
Inventor 刘军考赵亮亮刘英想陈维山冯培连
Owner 圣昌(鸡西)科技开发有限公司
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