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A servo electric cylinder

A servo electric cylinder and servo motor technology, applied in the field of servo electric cylinders, can solve the problems of low transmission accuracy, pollute the site environment, and limited bearing capacity, and achieve the effects of high transmission accuracy, improved connection strength, and large bearing capacity.

Active Publication Date: 2016-07-06
SUZHOU TONGJIN PRECISION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned structure is used in large-tonnage occasions due to the use of synchronous belt transmission and the use of aluminum alloy cylinders for the cylinder body, resulting in limited carrying capacity. If the external hydraulic structure is used, there will be low transmission accuracy and the danger of leakage and pollution of the site environment.

Method used

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  • A servo electric cylinder

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Embodiment Construction

[0018] figure 1 A servo electric cylinder shown includes a servo motor 1, a transmission mechanism 2, a cylinder structure 3, a front end plate 4, a rear end plate 5, a cylinder body 6, a screw rod 7, a movable nut 8, a nut seat 9, and a push rod 10 , Driving wheel 11, driven wheel 12, idler wheel 13, cover 14 and sealing ring 15.

[0019] figure 1 A servo electric cylinder shown mainly includes a servo motor 1 , a transmission mechanism 2 and a cylinder structure 3 . The cylinder structure 3 is composed of a front end plate 4, a rear end plate 5 and a cylinder 6 placed between them, and a screw 7 and a movable nut 8 are arranged at the central axis of the cylinder structure 3, and the movable nut 8 is sleeved on the screw 7 is placed on the nut seat 9, and a guiding structure is arranged between the nut seat 9 and the inner wall of the cylinder body 6 along the axial direction of the screw rod 7. One end of the screw rod 7 is placed in the rear end plate 5 through a bearin...

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Abstract

The invention discloses an electric servo cylinder which mainly comprises a servo motor, a drive mechanism and a cylinder structure, wherein the cylinder structure consists of a front end plate, a rear end plate and a barrel arranged between the front end plate and the rear end plate; a screw and a movable nut are arranged at the center axis of the cylinder structure; the movable nut is sleeved in a nut seat on the screw; a guide structure is arranged between the nut seat and the inner wall of the barrel along the axis direction of the screw, and the drive mechanism is connected with a servo motor and a cylinder respectively. The electric servo cylinder is characterized in that the drive mechanism is gear drive and comprises a driving wheel and a driven wheel; one or more idle wheels are arranged between the driving wheel and the driven wheel, and the barrel in the cylinder structure is a steel cylinder. Synchronous belt drive is changed into gear drive, and the carrying capacity is greatly improved. In addition, the barrel is changed into the steel cylinder from an aluminum alloy cylinder, and the load bearing strength is further improved.

Description

technical field [0001] The invention relates to a servo electric cylinder, in particular to a servo electric cylinder capable of providing linear displacement with large load and good stability. Background technique [0002] Hydraulic transmission or pneumatic transmission is often used to provide a linear displacement in pressing machines, stamping machines, forging presses, etc., but the above two methods have disadvantages such as large energy loss, high risk of leakage, and low precision. Servo electric cylinders are considered for high-precision occasions, but because the current transmission mechanism of servo electric cylinders uses synchronous belt transmission, the carrying capacity is its shortcoming for large-tonnage occasions. [0003] Chinese patent CN201120105591.0 discloses a servo electric cylinder, which is characterized in that: it includes a servo motor, a cylinder, a screw pair and a push rod; The aluminum alloy cylinder in between; the screw in the scre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K7/06F16H1/20
Inventor 罗宿程先锋陈国平蔡林虎刘世成
Owner SUZHOU TONGJIN PRECISION IND
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