Half nuts

A technology of opening and closing nuts and nuts, which is applied in the direction of feeding devices, belts/chains/gears, mechanical equipment, etc., which can solve the problems of limited use of space, large size, and unfavorable automatic control, etc., to achieve easy automatic control, precise and fast control , the effect of simple structure

Inactive Publication Date: 2019-05-14
马佳莉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the traditional opening and closing nut mechanism, the opening and closing of the nut is controlled by the person turning the handle to achieve the purpose of opening and closing. The volume is relatively large, and the opening and closing action must be realized by rotating the mechanism, and the use area is limited.
Not conducive to automatic control

Method used

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Experimental program
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Effect test

Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing:

[0019] Such as figure 1 and figure 2 As shown, the split nut of the present invention includes an upper nut 2, a lower nut 1, a housing 10, a hydraulic retaining ring 3, an upper limit retaining ring 6, a lower limit retaining ring 11, a guide pin 5, a return spring 9 and a screw rod 8, The threaded half-holes of the upper nut 2 and the lower nut 1 are set correspondingly, nut mounting holes are arranged in the housing 10, the upper limit retaining ring 6 is fixedly installed on the upper end of the nut mounting hole, and the lower limit retaining ring 11 is fixedly installed on the lower end of the nut mounting hole , the upper nut 2 and the lower nut 1 are set between the upper limit retaining ring 6 and the lower limit retaining ring 11, the hydraulic retaining ring 3 is set on the outer side of the upper part of the upper nut 2 and the lower nut 1, the upper end of th...

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PUM

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Abstract

The invention discloses half nuts. The half nuts comprise an upper nut body, a lower nut body, a shell, a hydraulic check ring, an upper limiting check ring and a lower limiting check ring; threaded half holes of the upper nut body and the lower nut body are correspondingly formed; a nut installing hole is formed in the shell, the upper limiting check ring is fixedly installed at the upper end ofthe nut installing hole, the lower limiting check ring is fixedly installed at the lower end of the nut installing hole, and the upper nut body and the lower nut body are arranged between the upper limiting check ring and the lower limiting check ring; and the outer sides of the upper nut body and the upper portion of the lower nut body are sleeved with the hydraulic check ring, the upper end of the hydraulic check ring is fixedly connected with the upper nut body, a hydraulic cavity is formed between the lower end of the hydraulic check ring and the lower nut body, an L-shaped liquid supply cavity is formed between the end face of the lower end of the lower nut body and the side wall of the lower nut body, and the liquid supply cavity communicates with the hydraulic cavity. According to the half nuts, opening and closing of the upper nut body and the lower nut body are controlled through a hydraulic system, therefore, the working condition of the half nuts is controlled, the structureis simple, control is precise and fast, and high and low speed control of a machine tool is convenient.

Description

technical field [0001] The invention relates to a split nut, in particular to a split nut. Background technique [0002] Cut a nut in half, and then fix it on a guide rail that can move up and down on the tool box, and open and close up and down. When it fits together, it is equivalent to a nut tightly matched with the lead screw. When the lathe is running, the lead screw rotates, but the nut does not rotate (the nut is fixed on the tool box and can only move up and down), and the nut can be driven to move left and right. The tool box moves at the speed of one pitch per revolution of the main shaft. [0003] In the traditional opening and closing nut mechanism, the opening and closing of the nut is controlled by people turning the handle to achieve the purpose of opening and closing. The volume is relatively large, and the opening and closing action must be realized by rotating the mechanism, and the use site is limited. Not conducive to automatic control. Contents of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/24F16H25/20B23Q5/34
Inventor 马佳莉
Owner 马佳莉
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