High-speed rotary joint
A high-speed rotation and joint technology, applied in the direction of pipe/pipe joint/pipe fitting, adjustable connection, passing element, etc., can solve the problems of difficult disassembly, installation and maintenance, complex structure, poor sealing, etc., to avoid self-rotation phenomenon, improve Sealing effect, effect of improving sealing performance
Inactive Publication Date: 2012-09-12
WUHU RUIJING MACHINE TOOL
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Problems solved by technology
[0002] In all the machine tools with central water outlet on the current machining center, the rotary joint adopts the sealing device composed of two sealing elements that are attached to each other under the external force or the pressure of the fluid, and make relative rotation, but it has a small pressure resistance value. characteristics, and poor sealing performance, which cannot meet the needs of the current high-precision machining centers. Even if the sealing performance is good, the internal structure of the rotary joint is generally multi-layer sealed, and the structure is complex, and it is not easy to disassemble, install and maintain
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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0028] see figure 1 , figure 1 It is a schematic structural diagram of the high-speed rotary joint 100 of the present invention.
[0029] The high-speed rotary joint 100 includes an upper casing 10, a lower casing 20, a bearing 30, a joint 40, a static ring 50, a moving ring 60, a metal bellows 70, soft graphite rings 1, 2 and a sealing anti-rotation ring 80, the The end section of the upper casing 10 is connected and fixed to the first section of the lower casing 20, and the upper casing 10 is coaxial with the lower casing 20, and the middle section of the joint 40 rotates through the bearing 30...
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The invention touch on a high-speed rotary joint which comprises an upper shell, a lower shell, a bearing, a joint, a stationary ring, a movable ring, a metal corrugated pipe, soft graphite rings and a sealing rotation-preventing ring, wherein the tail segment of the upper shell is connected with and fixed to the head segment of the lower shell, the middle segment of the joint is installed at the tail segment of the inner hole of the lower shell by the bearing in a rotation manner, the stationary ring is installed inside the upper shell, the soft graphite ring is installed between the stationary ring and the upper shell, the movable ring is sleeved at the head end of the joint and clings to the stationary ring inside the upper shell, the metal corrugated pipe is sleeved on the joint, the sealing rotation-preventing ring is fixed on the joint, the soft graphite ring is arranged between the sealing rotation-preventing ring and the metal corrugated pipe, a fastening screw and at least two pressing screws are arranged on the sealing rotation-preventing ring, the tail ends of the pressing screws abut against the metal corrugated pipe, the fastening screw abuts against the joint, a gasket is arranged at the joint of the upper shell and the lower shell. The high-speed rotary joint is simple in structure, excellent in airtightness and high in pressure resistance.
Description
technical field [0001] The invention relates to the field of machining centers, in particular to a high-speed rotary joint. Background technique [0002] In all the machine tools with central water outlet on the current machining center, the rotary joint adopts the sealing device composed of two sealing elements that are attached to each other under the external force or the pressure of the fluid, and make relative rotation, but it has a small pressure resistance value. Features, and poor sealing, can not meet the needs of the current high-precision machining centers, even if the sealing is good, the internal structure of the rotary joint is generally multi-layer sealed, the structure is complex, and it is not easy to disassemble, install and maintain. Contents of the invention [0003] In view of this, it is necessary to provide a high-speed rotary joint with simple structure, good sealing performance, high pressure resistance and stable operation. [0004] The present i...
Claims
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IPC IPC(8): F16L27/08
Inventor 陶金鹏
Owner WUHU RUIJING MACHINE TOOL