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Lifting device based on linear bearing

A technology of linear bearing and lifting device, applied in the field of transmission, can solve the problems of low accuracy, unstable transmission, influence of precision requirements of machinery and equipment, etc., to achieve the effect of good accuracy and stability, and improved accuracy

Active Publication Date: 2015-07-22
宁波恒力汽配轴承有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Using this guide post guide sleeve structure, its structure is simple, the transmission is unstable, and the accuracy is not high; and if the movement of the screw nut is affected due to the cooperation of the guide post and guide sleeve, the accuracy of the entire machine equipment will be affected. request to have an impact

Method used

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  • Lifting device based on linear bearing
  • Lifting device based on linear bearing
  • Lifting device based on linear bearing

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Embodiment Construction

[0027] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0028] The present invention relates to a lifting device based on linear bearings, such as Figure 1 to Figure 3 As shown, it includes auxiliary parts, screw mechanism and sliding mechanism based on linear bearings.

[0029] Among them, such as figure 1 , figure 2 As shown, the screw mechanism includes a motor 100 providing power, a coupling 110 connected to the output end of the motor 100, a screw 130 connected to the coupling 110 so as to be driven by the motor 100 to rotate coaxially, and a screw 130 mounted on the screw Both ends of 130 are supported by a screw support base 150 with rolling bearings, a screw nut 140 sleeved on the screw rod 130 and a bearing platform 120 fixedly connected with the screw nut 140 for ...

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Abstract

The invention provides a lifting device based on a linear bearing, which belongs to the field of lead screw lifting devices and solves the problem of low fitting precision of guide pillars and guide sleeves of the lead screw lifting device in the prior art. The lifting device based on the linear bearing comprises a base plate, a motor, a lead screw, a lead screw nut and a carrying platform, further comprises a guide rail and a guide sleeve, wherein the motor is installed on the base plate; the lead screw is driven by the motor to rotate; the lead screw nut is sleeved on the lead screw; the carrying platform is fixed on the lead screw nut for holding articles to be lifted; the guide rail is installed at one side of the lead screw in parallel; the guide sleeve is sleeved on the guide rail; the guide sleeve is connected with the lead screw nut fixedly so as to move along the axial direction of the lead screw nut; and the guide rail and the guide sleeve form a sliding mechanism adopting the linear bearing. The lifting device has the advantages of high precision and transmission stability.

Description

technical field [0001] The invention belongs to the field of transmission, and relates to a lifting device using a screw rod, in particular to a lifting device based on a linear bearing. Background technique [0002] Screw drive is a very common way to change rotation into linear motion. Because of its stable transmission, small step feed and precise control, it is often used in various occasions that require high precision, such as Machine tools, CNC lathes, etc. In the lifting device, it can also be realized by screw drive. [0003] The traditional screw lifting device mainly uses the motor to drive the screw to rotate through the coupling, thereby driving the screw nut to move up and down, and the stage is fixed on the screw nut to move up and down together to realize the lifting. There are usually guide posts and guide sleeves on both sides of the screw to assist positioning and prevent angular deviation caused by the tilt of the screw. The conventional guide post is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H19/04B66F7/00B66F7/28
Inventor 郑世良梅雪成
Owner 宁波恒力汽配轴承有限公司
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