Rolling flexible pre-stressed auxiliary guide rail device for heavy machine tool

A technology for auxiliary guides and heavy-duty lathes, used in large fixed members, metal processing machinery parts, metal processing equipment, etc., can solve the problems of poor rigidity of auxiliary guide rails, uncontrollable size of finishing operations, difficult implementation, etc. Linear accuracy requirements, the effect of eliminating twisting and crawling, and avoiding the phenomenon of rocking

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A technology for auxiliary guides and heavy-duty lathes, used in large fixed members, metal processing machinery parts, metal processing equipment, etc., can solve the problems of poor rigidity of auxiliary guide rails, uncontrollable size of finishing operations, difficult implementation, etc. Linear accuracy requirements, the effect of eliminating twisting and crawling, and avoiding the phenomenon of rocking

CN103072010AInactive Publication Date: 2013-05-01天津市天重江天重工有限公司

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[0013] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0014] see Figure 1 to Figure 3 , a rolling flexible prestressed auxiliary guide rail device for a heavy-duty lathe, the auxiliary guide rail device includes an auxiliary guide rail 2 installed outside the lower part of the lathe anti-backlash gear box 1, the auxiliary guide rail 2 is as long as the machine tool guide rail 3, and the anti-backlash gear box Elastic support components 4 are installed on the left and right sides.

[0015] In the above structure, the elastic support assembly 4 includes a cage 4-1 connected to the anti-backlash gear box, a wheel shaft 4-2 is rotated on the cage, and a spring is sleeved on the wheel shaft 4-2 in the cage 4-3, the lower end of the spring 4-3 is screwed with an adjusting nut 4-4, and the lower end ...

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Abstract

The invention relates to a rolling flexible pre-stressed auxiliary guide rail device for a heavy machine tool. The rolling flexible pre-stressed auxiliary guide rail device is characterized by comprising an auxiliary guide rail arranged on the outer side of the lower part of an anti-backlash gear box of the machine tool, wherein the length of the auxiliary guide rail is equal to that of a machine tool guide rail; and elastic support assemblies are arranged on the left and right sides of the anti-backlash gear box. In the structure, pre-supporting force is generated through the elastic support assemblies, so that the gravity center of a large supporting plate of the machine tool falls between the two guide rails, closes to one third part of the auxiliary guide rail and is matched with roller support, so that torsion and climbing phenomena are eliminated basically; and furthermore, the phenomenon of warping is avoided effectively, and the running stability of equipment is enhanced.

Description

technical field [0001] The invention belongs to the technical field of heavy-duty lathe manufacturing, in particular to a rolling flexible prestressed auxiliary guide rail device for heavy-duty lathes. Background technique [0002] The traditional heavy-duty sleeping car is divided into three guide rails, four guide rails, five guide rails and so on. In the CAM transformation of the heavy-duty horizontal car with three guide rails, in order to eliminate the fitting gap between the Z-axis gear and the rack, an anti-backlash gearbox and a drive servo motor are installed at the original tool box position at the lower part of the outer large carriage of the tool holder guide rail. The outward movement of the upper Z-axis drive system, the track lubrication system, the addition of the operator’s walking platform, the safety guardrail, and the change of the tower tool table to the frame tool frame caused the center of gravity of the large pallet to move outward; resulting in the l...

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Application Information

Patent Timeline

01 May 2013

Publication

CN103072010A

IPC: B23Q1/01

Inventors: 蔡春男; 梁学科