Single-key broaching clamp for tapered hole gear and adjusting method
A fixture and gear technology, applied in the field of clamping devices for tapered hole parts, can solve the problems of poor positioning accuracy, inaccurate adjustment of the angle between the teeth and keyways of tapered hole parts, long adjustment time, etc., to achieve simple structure, save adjustment time, and universal sex high effect
Active Publication Date: 2020-01-14
XIAN FASHITE AUTOMOBILE TRANSMISSION CO LTD
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problems of poor positioning accuracy of the existing single-key pulling fixture, the angle between the teeth of the tapered hole parts and the keyway cannot be adjusted accurately and the adjustment time is long, and to provide a single-key pulling fixture for bevel hole gears and its adjustment method
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[0029] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0030] The engine gear needs to broach a single keyway of equal depth in the inner taper hole, and there is a strict angular relationship between the keyway and the tooth groove of the gear. The current straight inner hole single key pulling fixture is not suitable for the taper hole broaching single key. Based on this, the present invention provides a single-key fixture for tapered hole gears. The parts are positioned using a tapered mandrel (tapered sleeve), and the tapered mandrel adopts spring floating to realize the centering of the inner hole. After the part is clamped, it cannot be fixed, and it is easy to drop or separate from the fixture, resulting in poor positioning accuracy. The fixture has been verified on site and has a good use effect. At the same time, the invention also provides a method for adjusting ...
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The invention relates to a single-key broaching clamp for a tapered hole gear and an adjusting method. The single-key broaching clamp for the tapered hole gear and the adjusting method solve the problem that an existing single-key broaching clamp is poor in locating precision, the angles of teeth and a key slot of the tapered hole part cannot be accurately adjusted, and the adjustment time is long. The single-key broaching clamp for the tapered hole gear comprises a clamp base, a tooth gauge, a locating sleeve, a tapered sleeve, a cylinder pin, a first spring, a snap ring and a second spring.The clamp base comprises a base body and an installation column. The tooth gauge is arranged at the upper end of the base body. The tapered sleeve is installed on the installation column in a sleevingmanner. One end of the cylinder pin is fixedly arranged on the tapered sleeve, and the other end of the cylinder pin is sleeved with the first spring. The cylinder pin is installed in an axial grooveof the base body. The locating sleeve is installed on the conical sleeve in a sleeving manner and fixedly connected with the base body. The two sides of the snap ring are provided with through holes.Fixing columns are arranged on the two sides of the installation columns. The snap ring is arranged in a circumferential groove of the installation column. The fixing columns are located in the through holes. The second spring is arranged between the snap ring and the installation column.
Description
technical field [0001] The invention relates to a clamping device for a tapered hole part, in particular to a single key clamp for a tapered hole gear and an adjustment method. Background technique [0002] Existing single-key clamps are mainly used for equal-depth keyways with straight inner holes. For single-key clamps with tapered inner holes, there is no fixing device for the tapered parts after clamping, and they are easy to fall or separate from the clamp. As a result, the positioning accuracy is poor, especially when the taper hole angle is large, it cannot be fixed automatically and needs to be held by hand, which poses a safety hazard during operation. At the same time, when the existing single-key fixture is used to process tapered hole parts, the angle between the teeth of the tapered hole part and the keyway cannot be adjusted accurately, and the adjustment time is relatively long. Contents of the invention [0003] The purpose of the present invention is to s...
Claims
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IPC IPC(8): B23Q3/06
CPCB23Q3/062
Inventor 闫鹏辉严鉴铂赵艳文姬汶辰梅雪丰
Owner XIAN FASHITE AUTOMOBILE TRANSMISSION CO LTD