An indexable car fixture
A turning fixture and indexing technology, applied in the direction of clamping, positioning device, clamping device, etc., can solve the problems of positioning error, inability to car out two sets of step holes, low coaxiality of two sets of holes, etc., to avoid problems such as Positioning error, high coaxiality, and the effect of ensuring turning accuracy
Active Publication Date: 2017-10-31
SUZHOU INST OF INDAL TECH
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Problems solved by technology
[0003] The purpose of the present invention is to provide an indexable turning fixture to solve the problem that in the prior art, when the two groups of holes of the same part (such as disc and cover-shaped foundry castings) should be coaxial after turning, the structural analysis cannot be carried out. After the first clamping, two sets of step holes are turned from one side. In this case, it is generally necessary to perform secondary clamping for turning separately, and the secondary clamping may cause positioning errors, resulting in the coaxiality of the two sets of holes. low technical issues
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[0018] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0019] see figure 1 , 2 , the indexing type car fixture of the present invention is used for clamping the workpiece 20 to be processed, including a clamp body 1, an L-shaped bracket 2, an indexing base 6, a handle 7 and is used to connect the workpiece 20 to be processed with the indexing base The fastening assembly connected by the seat 6, the L-shaped bracket 2 includes a vertically arranged side plate I and a horizontally arranged side plate II connected with the side plate I, the clip body 1 and the side plate I are fixedly connected by a fastener, and the core The shaft 5 is excessively fitted on the side plate II, the index base 6 is arranged on the top surface of the side plate II, the index base 6 is loosely fitted on the mandrel 5 and can rotate around the mandrel 5, and the side plate II is provided with An anti-rotation assembly capable of limiting the r...
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The invention provides an inversion lathe turning fixture which comprises a fixture body, an L-shaped support, an inversion base, a handle and a fastening assembly. The fastening assembly is used for connecting a to-be-machined workpiece with the inversion base, the L-shaped support comprises a side plate I and a side plate II, the side plate II is connected with the side plate I, the fixture body is connected with the side plate I, a mandrel is arranged on the side plate II, the inversion base is arranged on the top of the side plate II, is arranged on the mandrel in a clearance fit manner and can rotate around the mandrel, an anti-rotation assembly is arranged on the side plate II, the inversion base can rotate under the limiting effect of the anti-rotation assembly, and the handle is connected with the inversion base. Compared with the prior art, the inversion lathe turning fixture has the advantages that two groups of holes which are required to be coaxial can be subjected to lathe turning by the aid of the inversion lathe turning fixture without secondary clamping when the two groups of holes are required to be formed in the same component (such as a disc-shaped or cover-shaped foundry casting) by means of lathe turning, accordingly, positioning errors possibly caused by secondary clamping can be effectively prevented, the two groups of holes which are required to be coaxial in the same component (such as the disc-shaped or cover-shaped foundry casting) are high in coaxiality, the lathe turning precision can be guaranteed, and the clamping efficiency can be improved.
Description
technical field [0001] The invention relates to the technical field of machining, in particular to an indexable car fixture. Background technique [0002] When the two sets of holes of the same part (such as disc and cover-shaped foundry castings) should be coaxial after turning, it is impossible to turn two sets of stepped holes from one side after one clamping from a structural analysis. In this case Generally, secondary clamping is required to perform turning separately, and secondary clamping may cause positioning errors, resulting in low coaxiality of the two sets of holes. Contents of the invention [0003] The purpose of the present invention is to provide an indexable turning fixture to solve the problem that in the prior art, when the two groups of holes of the same part (such as disc and cover-shaped foundry castings) should be coaxial after turning, the structural analysis cannot be carried out. After the first clamping, two sets of step holes are turned from o...
Claims
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IPC IPC(8): B23Q3/00
CPCB23Q3/00B23Q2703/10
Inventor 黄晓华金昱
Owner SUZHOU INST OF INDAL TECH