Balance compensating mechanism applied to gravity center displacement of milling and boring machine spindle box
A technology of balance compensation and spindle box, which is applied in the field of milling and boring machines, can solve problems such as the displacement of the center of gravity of the spindle box, achieve the effect of maintaining accuracy and improving overall performance
Inactive Publication Date: 2017-09-05
GUANGXI UNIV
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Problems solved by technology
[0004] The purpose of the present invention is to solve the above-mentioned problems in the prior art, and provide a balance compensation mechanism applied to the displacement of the center of gravity of the spindle box of the milling and boring machine.
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[0011] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0012] The structure diagram of the present invention is as figure 2 shown. A balance compensation mechanism applied to the displacement of the center of gravity of the spindle box of a milling and boring machine, which is characterized in that it includes two sets of wire ropes, a wire rope pulley 6, a balance compensation oil cylinder 7 and a balance weight. The two groups of steel wire ropes are one group of balance compensation steel wire ropes 4 and one group of gravity balance steel wire ropes 5 . The two groups of wire ropes are installed on the upper part of the column 3 of the milling and boring machine through the wire rope pulley 6, ...
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The invention relates to the technical field of milling and boring machines, and discloses a balance compensating mechanism applied to gravity center displacement of a milling and boring machine spindle box. The mechanism is characterized by comprising two sets of steel wire ropes, steel wire rope pulleys, a balance compensation oil cylinder and a balance heavy hammer; according to the two sets of steel wire ropes, one set of steel wire ropes are balance compensating steel wire ropes, and the other set of steel wire ropes are gravity balance steel wire ropes; the two sets of steel wire ropes are mounted on the upper portion of a stand column of a milling and boring machine through the steel wire rope pulleys, one ends of the two sets of steel wire ropes are connected with the balance heavy hammer, the other ends of the gravity balance steel wire ropes are connected with the rear portion of the spindle box, and therefore most part of weight of the spindle box is borne; the balance compensating steel wire ropes are connected to the front portion of the spindle box through the balance compensation oil cylinder so as to achieve the compensating effect; a servo proportional pressure reducing valve is arranged on the balance compensation oil cylinder to control the size of pressure of oil in the balance compensation oil cylinder. Through the steel wire ropes, the balance compensation oil cylinder and the balance heavy hammer, the gravity centre displacement of the spindle box is solved.
Description
technical field [0001] The invention relates to the technical field of milling and boring machines, and more particularly, relates to a balance compensation mechanism applied to the displacement of the center of gravity of the spindle box of the milling and boring machine. Background technique [0002] For large machine tools such as milling and boring machines, in the process of running and cutting workpieces, the spindle box, ram, spindle and other components cause changes in the force system of the machine tool due to stress, and the machine tool components are caused by friction heat, cutting heat and environmental temperature changes. The thermal deformation that occurs will lead to changes in the relative position between machine tool components, destroying the accuracy of their relative motion, changing the geometric accuracy, control accuracy and machining accuracy of the machine tool, and ultimately reducing the overall performance of the machine tool. [0003] Anal...
Claims
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IPC IPC(8): B23Q11/00
CPCB23Q11/001
Inventor 邹宇
Owner GUANGXI UNIV