Turning and grinding integrated constant-pressure constant-center multifunctional self-centering center frame
A multi-functional, self-centering technology, applied in the direction of large fixed members, grinding workpiece brackets, metal processing machinery parts, etc., can solve the problems of difficult installation of machine tools, troublesome workpiece adjustment, small clamping range, etc., and achieve high performance Good, large clamping range, and the effect of increasing the clamping range
Pending Publication Date: 2021-02-12
宁波市精恒凯翔机械有限公司
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Problems solved by technology
In the prior art, the mechanical three-jaw transfer center rest is generally used on machine tools. This kind of center rest is not only troublesome to adjust the center of the workpiece, but also difficult to install in the space due to its large size and small clamping range. Machine tool with small clamping range
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[0024] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0025] Figures 1 to 8 It is the schematic diagram of construction and wall pile of the present invention.
[0026] The reference signs are: lubricating oil channel D, oil pipe joint T, sealing ring M, arm track pin X1, arm pin track X2, first bearing Z1, second bearing Z2, mounting seat 1, upper cover plate 11 , lower cover plate 12, upper side plate 13, lower side plate 14, rear side plate 15, center slide plate 2, guide chute 21, center oil passage 22, clamp lubricating oil passage 23, support arm 3, support arm lubricating oil passage 3a, Chuck 4, bearing seat 41, bearing round pin 42, needle roller bearing 43, oil cylinder 5, cylinder body 51, piston rod 52, oil cylinder plug 53, oil valve 6, valve core body 61, valve core ejector rod 62, valve core 63, anti-backlash device 7, bearing anti-backlash block 71, pressure spring 72, adjusting...
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The invention discloses a turning and grinding integrated constant-pressure constant-center multifunctional self-centering center frame. The turning and grinding integrated constant-pressure constant-center multifunctional self-centering center frame comprises a center sliding plate arranged in an installation base and two supporting arms arranged on the center sliding plate. The front ends of thetwo supporting arms and the front end of the center sliding plate are each provided with a chuck. Two guide sliding grooves are formed in the center sliding plate. An oil cylinder used for driving the center sliding plate is installed at the rear end of the installation base. A piston rod of the oil cylinder is connected with the rear end of the center sliding plate. Each supporting arm is provided with a supporting arm track pin. Two supporting arm pin tracks matched with the corresponding supporting arm track pins are arranged in the installation base. The supporting arm track pins and thesupporting arm pin tracks are matched in a rolling and supporting mode to force the two supporting arms to move along the guide sliding grooves when the center sliding plate moves so that a workpiececan be controlled in a circle formed by supporting points of the three chucks. According to the turning and grinding integrated constant-pressure constant-center multifunctional self-centering centerframe, an oil cylinder design is adopted, the boundary dimension of the center frame is reduced, the clamping range is enlarged, reliability is high, the use performance is good, and the turning and grinding integrated constant-pressure constant-center multifunctional self-centering center frame is suitable for machine tools with small installation space and large clamping range.
Description
technical field [0001] The invention relates to the technical field of mechanical processing equipment, in particular to a center frame applied to lathes, in particular to a multifunctional self-centering center frame integrated with turning and milling with constant pressure and constant center. Background technique [0002] The center frame is an auxiliary support device used in the turning or grinding process of slender shaft parts, which makes it possible for high-precision machining of ultra-thin optical shafts, precision screw rods, ball screws and other parts. In the prior art, the mechanical three-jaw transfer center rest is generally used on machine tools. This kind of center rest is not only troublesome to adjust the center of the workpiece, but also difficult to install in the space due to its large size and small clamping range. Machine tool with small clamping range. Contents of the invention [0003] The technical problem to be solved by the present inventio...
Claims
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IPC IPC(8): B23Q1/76B24B41/06
CPCB23Q1/763B24B41/065
Inventor 李龙江
Owner 宁波市精恒凯翔机械有限公司