Displacement clamper for processing gear pump cavity hole
A gear pump and cavity technology, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of low production efficiency, difficulty in controlling the processing accuracy, and unsuitability for mass production of gear pumps. The effect of improving precision and processing efficiency and improving economic benefits
Inactive Publication Date: 2009-04-08
浙江平柴泵业有限公司
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Problems solved by technology
[0002] In the past, when machining the gear pump cavity, the gear pump was directly installed on the lathe by the lathe, and then the two cavity holes on it were processed. It was difficult to control the machining accuracy, and it was not suitable for the needs of mass production of gear pumps. The production efficiency Low
After searching, there is no indexing fixture specially used for machining gear pump cavity
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[0018] The embodiments are further described below in conjunction with the accompanying drawings.
[0019] Referring to Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, 1-chassis, 2-turntable, 3-bearing, 4-backing plate, 5-spring, 6-stud, 7-nut, 8-tie rod, 9-pin seat, 10-pin, 11-spring, 12-tapered pin, 13-handle, 14-guide key, 15-mandrel, 16-spindle connection plate, 17-fixing block, 18-bolt, 19-bolt , 20-press plate, 21-stud, 22-conical pin, 23-press plate, 24-locating pin, 25-bolt, 26-conical pin, 27-bolt, 28-bolt, 29-balance weight. As shown in Figure 1, the gear pump is clamped on the surface of the turntable 2 as a workpiece, and there are two pressure plates 20 as the clamping mechanism to clamp the gear pump workpiece. In the part shown, there are studs 6 and nuts 7 fastened on the turntable 2 on the pressure plate 20, and springs 5 are set on the studs 6. On the chassis 1, a pressing plate 23 is installed, see the A-A cross-section in Fig. 4, the pressing plate 23...
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The invention relates to equipment for machining a cavity hole of a gear pump, in particular to a transposition clamp for machining the cavity hole of the gear pump, which is used for machining in a numerical control machine. The transposition clamp is characterized by comprising a turnplate, a chassis, a central distance adjustment mechanism and a mainshaft connecting disc, wherein the turnplate is provided with a clamping mechanism for clamping a workpiece; the turnplate can rotate for 180 degrees round the center; the chassis is arranged on the mainshaft connecting disc, is clamped on a guide key and is used for supporting and positioning the turnplate; the central distance adjustment mechanism is used for adjusting a deflection value X between a rotary centerline of the turnplate and a rotatory centerline of a clamp body; the chassis is fastened on the mainshaft connecting disc through a bolt; and the guide key is also arranged on the mainshaft connecting disc and is used for positioning and mounting the chassis. The turnplate does circumferential rotation and is positioned by a bolt; after one cavity hole is machined, the bolt is drawn out; and when the turnplate rotates for 180 degrees round a central shaft, another cavity hole is machined. When the central distance is needed to adjust, a fastening bolt is loosened; the bolt on the chassis is adjusted; and the central distance is adjusted along the movement of the chassis on the guide key. The transposition clamp improves the machining precision of the cavity hole of the gear pump and the production efficiency.
Description
technical field [0001] The invention relates to processing equipment for gear pump cavity holes, in particular to a special fixture for machining gear pump cavity holes for a numerically controlled machine tool, that is, a gear pump cavity hole processing indexing fixture. Background technique [0002] In the past, when machining the gear pump cavity, the gear pump was directly installed on the lathe by the lathe, and then the two cavity holes on it were processed. It was difficult to control the machining accuracy, and it was not suitable for the needs of mass production of gear pumps. The production efficiency Low. After searching, there is no indexing fixture specially used for machining the cavity of the gear pump at present. Contents of the invention [0003] The object of the present invention is to provide an indexing jig for machining the cavity of a gear pump to address the above defects. [0004] The technical solution of the present invention is a gear pump ca...
Claims
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IPC IPC(8): B23Q3/12B23B5/00
Inventor 陈贤明陈贤建章青朗周宗华邱殿升姚贞权
Owner 浙江平柴泵业有限公司