High-rigidity lifting device for ultra-precision machining
A technology of ultra-precision machining and lifting device, used in metal processing equipment, metal processing mechanical parts, manufacturing tools, etc., can solve problems such as lack of stiffness, and achieve the effect of improving overall stiffness and accuracy and ensuring guiding accuracy.
Active Publication Date: 2021-03-09
姜堰经济开发区科创中心
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[0002] With the continuous development of science and technology, the application of ultra-precision subjects in high-precision industries is becoming more and more extensive. At present, for the field of ultra-precision machining, the existing ultra-precision diamond lathes, ultra-precision multi-axis milling machines, and ultra-precision single-point flying machines are mainly used. Turning machine tools and other equipment, this kind of equipment involves the problem of adjusting the height of the tool tip. The adjustment accuracy of the tool tip height is required to be at the micron level. The lifting device with rigidity has insufficient precision, while the precision with lack of rigidity
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[0014]The invention will now be described in further detail with reference to the drawings. These figures are schematic diagrams, which will be described only in a schematic manner, and therefore it only shows the configurations related to the present invention.
[0015]Such asfigure 1 ,figure 2An ultra-precision machining is used as a high rigidity lifting device having a base 1 and a lifting panel 2 located above the base 1. The base 1 edge has three brass-made guiding seat 9 by bolt ring, and the bottom surface of the lifting panel 2 has a lifting column 10 by a bolt, and the guide seat 9 has an opening upward guide inner hole, a guide 9 The guide inner hole and the lifting guide column 10 use tolerance sliding fit, and adding a lubricating oil in both contact surfaces, which enables reduction of friction.
[0016]The bottom seat 1 is provided with a lower wedge block 3 facing upward, and the upper surface of the lifting panel 2 is fixed to the upper wedge block 4 opposite the lower we...
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The invention relates to a high-rigidity lifting device for ultra-precision machining. The lifting device is provided with a base and a lifting panel, a lower wedge-shaped block with an upward inclined plane is arranged on the base, an upper wedge-shaped block with an inclined plane oppositely matched with the lower wedge-shaped block is fixed to the bottom surface of the lifting panel, and a first friction guide rail is fixed to the inclined plane of the upper wedge-shaped block; the inclined plane of the lower wedge-shaped block is in sliding fit with the first friction guide rail, a secondfriction guide rail is fixed to the base, the bottom face of the lower wedge-shaped block is in sliding fit with the second friction guide rail, a trapezoidal lead screw is rotationally arranged in the lower wedge-shaped block, and a trapezoidal nut rotationally matched with the trapezoidal lead screw is fixedly connected to the lower wedge-shaped block; and the height of the device is adjusted through the lifting effect under the wedge-shaped motion effect of the translation of the lower wedge-shaped block on the upper wedge-shaped block, and sliding friction is adopted to replace rolling friction motion used by a traditional lifting device, so that the overall rigidity and precision of the device are improved, and the guiding precision in the lifting process and the anti-vibration effectin the machining process are guaranteed.
Description
Technical field[0001]The present invention relates to the field of precision processing, in particular, a high-dome of ultrafine processing.Background technique[0002]With the continuous development of science and technology, the applications of Super Precision Discipline in high-precision industries are increasingly widely used in the field of ultra-precision processing. The existing super-fine diamond lathe, ultra-precision multi-axis milling machine, ultra-precision single point Trip bed and other equipment, such devices involve problems with the height adjustment of the knife tip, the knife tip height adjustment accuracy requires micrometers, and because of turning processing, there are many requirements for the stiffness of the tool holder, currently used for knife tip height regulation The lifting device, has a lack of stiffness of the precision of the stiffness, and the deficiency is lacking.Inventive content[0003]The technical problem to be solved by the present invention is ...
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IPC IPC(8): B23Q1/25
CPCB23Q1/25
Inventor 谷秋梅
Owner 姜堰经济开发区科创中心
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