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Mechanical cross screw rod supporting device

A technology of mechanical support and transverse screw, applied in the field of machine tools, can solve problems such as large sag deflection, and achieve the effect of simple structure

Inactive Publication Date: 2010-08-04
WEIHAI HUADONG AUTOMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problems of excessively long horizontal screw rods of machine tools, large sagging deflection caused by the self-weight of the screw rods, and vibrations caused during movement, the invention provides a mechanical support device for horizontal screw rods, which can not only solve the problem of large drooping deflection caused by the self-weight of the screw rods and the movement process The jitter problem caused by the medium, and has no effect on the effective stroke of the screw, the structure is simple, safe and reliable

Method used

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  • Mechanical cross screw rod supporting device
  • Mechanical cross screw rod supporting device
  • Mechanical cross screw rod supporting device

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Embodiment Construction

[0013] image 3 As shown, the horizontal screw mechanical support device 3 of the present invention is installed at the middle position of the horizontal screw rod 2. When the horizontal sliding plate 4 is on the left side of the horizontal screw mechanical support device 3, the horizontal sliding plate 4 moves to the right and approaches the horizontal screw. When the rod mechanical support device 3 is used, the right bracket 5 of the skateboard first presses the bearing roller 13, and the force is transmitted to the extension shaft 16 through the pin shaft 12, so that the extension shaft 16 overcomes the force of the spring 17 and drives the screw support wheel 9 to retract , let the horizontal slide plate 4 pass through the top of the horizontal screw mechanical support device 3, the horizontal slide plate 4 continues to move to the right, the left bracket 1 of the slide plate and the bearing roller 13 have a pressing effect, and during the movement of the horizontal slide p...

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Abstract

The invention relates to a mechanical cross screw rod supporting device which belongs to the field of machine tool accessories. A sleeve is arranged, a projecting shaft is installed in the sleeve, the projecting shaft in the cavity of a spring bushing at the left end of the sleeve is sheathed with a compression spring, the right end part of the projecting shaft is fixedly provided with a bearing roller through a pin shaft, and the side surface of the right end of the projecting shaft is provided with a screw rod supporting wheel through a rotary shaft. The invention not only can solve the problems of large sagging deflection caused by the deadweight of the screw rod and jitter caused in the moving process, but also does not influence the effective stroke of the screw rod at all, as well as has simple, safe and reliable structure.

Description

technical field [0001] The invention relates to the field of machine tools, in particular to a mechanical support device for a machine tool transverse screw rod. Background technique [0002] As we all know, when the machine tool has a large stroke and is driven by a horizontal screw, because the screw is too long, the drooping deflection caused by the self-weight of the screw is very large. To solve this problem, machine tool manufacturers usually use the way of pre-tensioning the bearing at the end of the screw. To reduce the sagging deflection of the screw and improve the rigidity of the screw, but the effect is not obvious Affects movement accuracy. Contents of the invention [0003] In order to overcome the problems of excessively long horizontal screw rods of machine tools, large sagging deflection caused by the self-weight of the screw rods, and vibrations caused during movement, the invention provides a mechanical support device for horizontal screw rods, which ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q5/40
Inventor 战义波李刚王冰
Owner WEIHAI HUADONG AUTOMATION
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