Layered independent multipoint temperature control device applicable to machine tool temperature field differential control

A differentiated control, layered independent technology, applied in the direction of temperature control, computer control, general control system, etc., can solve the problems of single temperature of circulating fluid and inability to realize multi-point differential control of machine tool temperature field, so as to meet the requirements of different the effect of demand

Active Publication Date: 2013-08-14
TIANJIN UNIV +1
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Problems solved by technology

At present, the circulating liquid cooling method generally uses a circulating pump to make the cooling liquid cooled by the cooling device enter the heating mechanism of the machine tool body, take away the heat, and return it to the cooling device to complete the cooling cycle, thereby reducin

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  • Layered independent multipoint temperature control device applicable to machine tool temperature field differential control

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Example Embodiment

[0015] In order to further understand the content of the invention, features and effects of the present invention, the following embodiments are exemplified and described in detail with the accompanying drawings as follows:

[0016] see figure 1 , a layered independent multi-point temperature control device suitable for differential control of the temperature field of machine tools, including two sets of cooling circulation trunks, multiple sets of cooling circulation branches connected to each group of cooling circulation trunks, and a control system 1, The two groups of cooling circulation trunks output different temperatures of cooling liquid, each group of the cooling circulation trunks includes a cooling circulation machine and a circulation pump, and the cooling circulation machine is provided with a cooling liquid output temperature detection device and a liquid level. detection devices, such as figure 1 As shown in the figure, one of the main cooling circuits is a hig...

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Abstract

The invention discloses a layered independent multipoint temperature control device applicable to machine tool temperature field differential control. The device comprises two groups of cooling circulation primary lines which output cooling liquids at different temperatures, a plurality of cooling circulation branch lines which are connected with the groups of cooling circulation primary lines respectively and a control system, wherein each group of cooling circulation primary line comprises one cooling circulator having temperature detection and liquid level detection functions and one circulating pump; each group of cooling circulation branch lines comprises one independent temperature adjusting box, a cooling pipeline through which thermal loads flow, an input electromagnetic valve group and an output electromagnetic valve group; an inlet of the independent temperature adjusting box is connected with the two groups of the cooling circulation primary lines respectively through the inlet electromagnetic valve group, and an outlet of the independent temperature adjusting box is connected with an inlet of the cooling pipeline; and an outlet of the cooling pipeline is connected with inlets of the two groups of the cooling circulation branch lines respectively through the output electromagnetic valve group, and each group of cooling circulation branch lines is simultaneously communicated with each group of cooling circulation primary lines. The device meets differentiated requirements of different parts of a machine tool for temperature control liquids.

Description

technical field [0001] The invention relates to the technical field of numerical control machine tool processing, in particular to a layered independent multi-point temperature control device suitable for differential control of the temperature field of a machine tool. Background technique [0002] The accuracy of the workpiece processed by the machine tool is generally about 1.5-2 times the accuracy value of the machine tool (considering that the process capability coefficient is generally about 1.33), for example, the position accuracy of ordinary machine tools is 0.025mm, and the hole distance accuracy of the processed workpiece is about 0.04-0.05mm. This is considering the deformation of the process system, the influence of the processing temperature field, the uneven material of the workpiece, the influence of the tool accuracy, etc., among which the change of the temperature field of the machine tool is one of the important factors affecting the machining accuracy. The...

Claims

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Application Information

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IPC IPC(8): G05D23/20G05B19/406
Inventor 高卫国孙宏伟刘瑜刘腾向鹏飞张大卫
Owner TIANJIN UNIV
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