Turning fixture for once clamping processing of valve
A one-time, turning technology, used in turning equipment, manufacturing tools, turning equipment, etc., can solve the problems of difficult to meet mass production, waste of human and material resources, cumbersome processing process, etc., to solve the complex processing process. , The operation is convenient and fast, and the effect of reducing processing time
Inactive Publication Date: 2013-06-26
JIANGSU JINSHI VALVE
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Problems solved by technology
According to the above-mentioned process route, it is necessary to transfer multiple processes, the processing process is cumbersome, the processing is difficult, the processing cycle is long, the waste of manpower and material resources is wasted, resulting in a large cost waste, and it is difficult to meet the large-scale production in batches
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[0012] The present invention will be further described below in conjunction with the accompanying drawings.
[0013] Such as Figure 1-4 As shown, the turning fixture includes an angle iron mold 1, a support block 6, a rotating mandrel 8, a correction block 3, a briquetting block 11 and a counterweight 13, and the angle iron mold 1 is integrally cast, and the bottom of the angle iron mold 1 and The back side is vertical, the front of the angle iron mold 1 is processed into a dustpan mouth type, the bottom of the dustpan mouth is provided with two through holes and a middle hole, and a counterweight 13 is arranged on the top of the angle iron mold 1 to balance the rotation, and the two proof faces of the support block 6 are parallel and Symmetrical, a central hole is set on the support block 6, a T-shaped groove is set inside the support block 6, an open groove is set on the upper part of the T-shaped groove, both sides of the correction block 3 are smoothed, two U-shaped groov...
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The invention discloses a turning fixture for once clamping processing of a valve, wherein bottom outer side walls of a support block (6) and an angle iron module (1) are horizontal; a bottom central hole of the angle iron module is tightly matched with the central hole of the support block; a T-shaped bolt (5) is placed in the support block (6) through an opening slot, passes through two throughholes on the bottom of the angle iron module (1) and then is fixed by a locking nut (2); a correcting block which is leveled is fixed on the support block (6) through a bolt (4); bottoms of two hanging bolts (10) are respectively arranged in the support block (6); top mounting pressing blocks (11) of the two hanging bolts (10) are fixed by hanging nuts (12); and a rotary spindle (8) is connected to the central hole of the support block (6) and the central hole of the angle iron module (1) through a gasket (7), thereby integrally forming the turning fixture. By using the turning fixture, the threads and openings at two ends of the valve can be once fixed and successfully processed by using a common lathe or a numeric control lathe, the cost is lowered, the processing efficiency is increased, and the problem of difficult processing of similar parts is thoroughly solved.
Description
technical field [0001] The invention relates to a machine tool fixture, specifically and accurately, a turning fixture for one-time clamping and processing of threads at both ends of a threaded flat valve (mud valve) and opening gears. technical background [0002] At present, more and more threaded flat valves are used in oil and gas field production and wellhead equipment. The demand for this type of flat valve is increasing, and the threads at both ends and the channel center of the valve body should be kept high. The coaxiality of the two valve seat holes also needs to ensure their coaxiality and parallelism, and the processing requires high precision. And the existing processing method is to clamp one end with three jaws, correct, process and turn the other end. Turn around and clamp, calibrate again, and process the other end. Then repeat the above-mentioned route to process the sealing surface of the valve seat hole and open the gear. According to the above-mention...
Claims
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IPC IPC(8): B23Q3/06B23Q3/12B23B5/06
Inventor 雷兴国周立刚刘炎光
Owner JIANGSU JINSHI VALVE