An oil-cooled sealing device for a rotary guide sleeve
A technology of rotating guide sleeves and sealing devices, which is applied in the field of parts on machine tools, can solve problems such as difficulty in guaranteeing machining accuracy of machine tools, and achieve the effects of lowering temperature, improving economic benefits, and increasing service life
Active Publication Date: 2016-05-18
HUBEI YIXING INTELLIGENT EQUIP CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the problem that it is difficult to guarantee the machining accuracy of machine tools in the prior art, and to provide an oil-cooled sealing device with simple structure and high precision for the rotary guide sleeve
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Embodiment Construction
[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] see Figure 1 to Figure 4 , an oil-cooled sealing device for a rotating guide sleeve, comprising a main shaft 1, a driving claw 2 and a rotating guide sleeve 3, the driving claw 2 is fixed on the main shaft 1, and the rotating guide sleeve 3 and the driving claw 2 pass through the guide sleeve shaft 4. The guide plate 5 and the positioning key 6 are connected to each other. The rotating guide sleeve 3 is provided with an oil-cooled sealing device inside, and the oil-cooled sealing device includes an oil pipe distributor 7, a bearing 8, a retaining sleeve 9, an oil return sleeve 10 and The oil return cover 11, the labyrinth fit is adopted between the oil return cover 11, the oil return sleeve 10, the retaining sleeve 9 and the guide sleeve shaft 4, and the labyrinth is adopted between the retaining sleeve 9, the oil return sleev...
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An oil cooling sealing device of a rotary guide sleeve comprises a main shaft, a driving claw and the rotary guide sleeve. The driving claw is fixed onto the main shaft. An oil cooling sealing device body is arranged inside the rotary guide sleeve. The oil cooling sealing device body comprises an oil pipe distributor, a bearing, a spacer sleeve, an oil return sleeve and an oil return cover. The oil return cover, the oil return sleeve, the spacer sleeve and a guide sleeve shaft are matched in a labyrinth mode, the spacer sleeve, the oil return sleeve and the rotary guide sleeve are matched in a labyrinth mode, the guide sleeve shaft, the oil return cover and the oil return sleeve are in interference fit, the tolerance range is controlled to be 0.005-0.06 millimeter, the oil pipe distributor is a hollow cylinder, an annular oil groove is formed in the outer side of the oil pipe distributor, a first hole is formed in the end face of the oil pipe distributor, a second hole is formed in the oil groove and the first hole and the second hole are mutually communicated. The oil cooling sealing device of the rotary guide sleeve is simple in structure, prolongs the service life of the bearing, guarantees the workpiece processing quality and part qualified rate, prolongs the service life of a lathe, and greatly improves economic benefits.
Description
technical field [0001] The invention relates to a component on a machine tool, in particular to a cooling and sealing device for a rotary guide sleeve. Background technique [0002] With the development of modern machinery industry, the requirements for machining accuracy of machine tools are getting higher and higher. As far as high-precision CNC lathes are concerned, their main advantages lie in high speed, high precision, and fast cutting speed. The main shaft and guide sleeve are important parts of the machine tool. For high-speed precision machine tools, the machining accuracy depends largely on the accuracy of the main shaft and guide sleeve system. However, when the lathe starts to operate, the rolling elements of the bearing run in the raceway , the friction will generate heat, so that the temperature of the bearing rises. In the case of high speed operation for a long time, the heat generation will be greater. In addition, the friction between other parts will gen...
Claims
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IPC IPC(8): B23Q11/12B23Q3/12
CPCB23Q1/70B23Q11/121B23Q11/126
Inventor 伏江涛
Owner HUBEI YIXING INTELLIGENT EQUIP CO LTD