Auxiliary Alignment and Clamping Mechanism of Large Machine Tool
A technology of clamping mechanism and machine tool, applied in the direction of clamping device, clamping, metal processing mechanical parts, etc., can solve the problem of cumbersome alignment and positioning process, and achieve the effect of small force deformation, simple structure and convenient use.
Inactive Publication Date: 2018-08-17
XI'AN PETROLEUM UNIVERSITY
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Problems solved by technology
[0004] In order to overcome the defects of the prior art and solve the cumbersome problem of using large screws to directly fix the alignment and positioning process in the machining process of large parts, the purpose of the present invention is to provide an auxiliary alignment and clamping mechanism for large machine tools, which can Complete the alignment and positioning process quickly and accurately, greatly reducing the workload of machine operators and improving production efficiency
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[0016] The content of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0017] Referring to the accompanying drawings, the large-scale machine tool auxiliary alignment and clamping mechanism includes an upper fixed support 1 with four holes arranged in parallel and a lower fixed support 16 with five holes. Two holes at both ends are used to install the connecting rod 4, and the inner Two holes are installed with reverse spiral transmission shaft 2, the middle part of reverse spiral transmission shaft 2 and connecting rod 4 is pierced with upper clamping plate 7, lower clamping plate 8, power input shaft 12 is installed on the middle hole of lower fixed support 16, The driving wheel 9 is positioned on the top of the power input shaft 12 through the key A10 and the bushing A11, and the driven wheel 14 is positioned on the bottom of the anti-helical transmission shaft 2 through the key B13 and the bushing B15.
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An auxiliary aligning and clamping mechanism for a large-size machine tool comprises an upper fixing support and a lower fixing support. Connecting rods and anti-spin transmission shafts are installed between the upper fixing support and the lower fixing support; the middles of the anti-spin transmission shafts and the middles of the connecting rods are sleeved with an upper clamping plate and a lower clamping plate; a power input shaft is installed in a middle hole in the lower fixing support; a driving wheel is located on the upper portion of the power input shaft; a driven wheel is located on each anti-spin transmission shaft; a workpiece to be machined is placed between the upper clamping plate and the lower clamping plate; the driving wheel is rotated by rotating the power input shaft, the driving wheel drives the two driven wheels, and then the anti-spin transmission shafts are driven, so that the opening and closing of the upper clamping plate and the lower clamping plate are achieved; when the workpiece is clamped by the clamping plates, the axis of the workpiece is overlapped with the rotation axis of the machine tool; the workpiece is fixed by screwing up locating screws of the machine tool, and the alignment and fixing of the workpiece are achieved. The auxiliary aligning and clamping mechanism is simple in structure, convenient to use and capable of completing the aligning and locating process rapidly and accurately, the workload of machine tool operation personnel is greatly reduced, and the production efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of machining, and is used for solving the problem of difficult alignment when a large machine tool cuts and processes larger workpieces, and in particular relates to an auxiliary alignment and clamping mechanism for a large machine tool. Background technique [0002] In the machining process, there are two main clamping methods for machine tools. The first is the three-jaw chuck clamping method; the second is the direct fixing method with large screws. [0003] For the clamping method of the three-jaw chuck, this method is accurate, reliable and easy to operate, but it is only suitable for positioning and clamping of workpieces with small diameters, and its application range is limited. As for the method of directly fixing large screws, although this method is reliable in clamping and has a wide range of applications, the alignment process requires tools such as alignment tables and alignment rods. The opera...
Claims
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IPC IPC(8): B23Q3/00
CPCB23Q3/00B23Q2703/02
Inventor 朱林刘德
Owner XI'AN PETROLEUM UNIVERSITY