Fixture for processing small-bore bending machines
A mechanical processing, small-caliber technology, applied in the direction of manufacturing tools, metal processing equipment, metal processing mechanical parts, etc., can solve the problems of the difficulty of ensuring the flat end face of the elbow, the difficulty of clamping and positioning the elbow, and the processing angle being difficult to meet the requirements, etc. Achieve the effect of improving efficiency, simple and fast processing, and improving efficiency
Active Publication Date: 2012-03-21
扬州华宇管件有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a small-diameter elbow mechanical processing fixture, which can solve the difficulty in clamping and positioning of the elbow caused by the arc-shaped outline of the elbow, and it is difficult to ensure that the end face of the elbow after processing is formed. Flatness, the processing angle is difficult to meet the defects of the requirements, the fixture of the present invention adopts the clamping method of surface contact, the clamping is firm, the workpiece is not easy to be damaged, the machining accuracy of the elbow and the flatness of the end surface can be guaranteed, and the work efficiency can be improved
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[0022] The present invention can be implemented in the following ways.
[0023] like figure 1 As shown, the small-diameter elbow machining fixture includes a clamping base plate 1 , and side plates 21 and 22 on both sides are parallel to each other and vertically fixed on the clamping base plate 1 . The clamping bottom plate 1 is clamped by a groove and a chuck to connect the entire fixture with the main shaft of the lathe, and rotate together with the main shaft to form lathe cutting.
[0024] like figure 1 and figure 2 As shown, the fixed elbow positioning blocks 31, 33 respectively located at both ends of the elbow are vertical and fixedly connected to the side plates 21, 22 on both sides, and the fixed elbow positioning blocks 31, 33 form an angle of 90° and point to the center of curvature of the elbow ; On the bisector of the included angle of two fixed elbow positioning blocks 31,33, guide rails are respectively provided on the two sides square plates 21,22, and the...
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The invention discloses a fixture for processing small-bore bending machines. Two parallel lateral face square plates are vertically fixed on a clamping baseplate of the fixture; two fixed elbow positioning blocks are positioned at two ends of the elbow, vertically fixed on the lateral face square plates respectively, and point to the centre of curvature of the elbow; guide rails are arranged on the two lateral face square plates between the two fixed elbow positioning blocks; movable elbow positioning blocks are placed in the guide rails perpendicular to the lateral face square plates; position blocks with threaded holes are arranged on the axial lines of the guide rails and vertically fixed on the two lateral face square plates; adjusting screws are mounted on the position blocks through the threaded holes to limit the movable elbow positioning blocks; and circular arc grooves with a diameter identical with the outer caliber of the elbow are formed on the fixed elbow positioning blocks and the movable elbow positioning blocks on the sides facing to the elbow. The fixture provided by the invention has the advantages of reasonable clamping structure, practicability, and convenience, and is suitable for the lathe machining of batch small-bore elbows in identical specification.
Description
technical field [0001] The invention relates to a machining fixture, in particular to a small diameter elbow machining fixture. Background technique [0002] For the lathe processing of the small-diameter elbow port, in the prior art, because the outline of the elbow is arc-shaped, it is difficult to clamp and position the elbow on the lathe chuck. Chinese patent 200920218022.X discloses an elbow beveling fixture, the elbow beveling fixture includes a beveling machine base (1), and a set of dovetail seats (2) are installed on the beveling machine base (1), The inner side of the dovetail seat (2) is fixed with a set of fixed plates (4) by fastening bolts (3), and the inner surfaces of the fixed plates (4) are respectively fixed with "V"-shaped fixtures A (5) and "V" by bolts. Font fixture B (6). During use, the elbow is clamped on the "V"-shaped fixture A (5) and the "V"-shaped fixture B (6). The "V"-shaped fixture used in this kind of fixture is still difficult to effecti...
Claims
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IPC IPC(8): B23Q3/12
Inventor何广熟林恒龙蒯尧山衡长桥
Owner扬州华宇管件有限公司