Synchronous three-roller inclined rolling device
A technology of skew rolling and synchronous rotation, which can be used in feeding devices, metal rolling, metal processing equipment, etc., and can solve problems such as inability to process long shafts.
Inactive Publication Date: 2019-05-07
NINGBO UNIV
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Problems solved by technology
[0005] The object of the present invention is to provide a synchronous three-roll cross-rolling device in order to overcome the inability of common three-roll cross-rolling equipment in the prior art to process long shafts, especially multi-stage stepped shafts. Feed in the opposite direction, so that long shafts can be processed, and multi-stage stepped shafts can also be processed
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0023] Such as Figure 1 to Figure 6 As shown in , a synchronous three-roll skew rolling device includes a synchronous rotation device and a radial feed device, the synchronous rotation device includes a first motor 1, a synchronous gear 2 and three rolling assemblies, and the rolling assembly includes skew rolling rolls 31 , the first transmission shaft 32, the second telescopic transmission shaft 33 and the third transmission shaft 34, three skew rolling rolls are arranged in the shape of "product", wherein any two skew rolling rolls are distributed at 120°, and the billet 10 is positioned at three when rolling. Between the skew rolls, the distribution of the skew rolls is consistent with the distribution of the skew rolls in the ordinary three-roll skew roll piercer. This distribution mode can drive the billet forward when the skew rolls rot...
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The invention relates to the field of rolling equipment, in particular to a synchronous three-roller inclined rolling device. The device comprises a synchronous rotating device and a radial feeding device; the synchronous rotating device comprises a first motor, a synchronous gear and a rolling assembly, a first transmission shaft and a second telescopic transmission shaft are connected through auniversal joint, the second telescopic transmission shaft and a third transmission shaft are connected through a universal joint, inclined rollers are fixed at the end of the first transmission shaft,the end of the third transmission shaft is fixedly provided with driving gears, and the first motor drives one of the driving gears to rotate; and the radial feeding device comprises a second motor,a chuck and a clamping jaw capable of sliding in the radial direction of the chuck, the first transmission shaft is rotationally arranged on the clamping jaw, a gear ring is arranged on the end face of one side of the chuck, a bevel gear is arranged on the second motor, and a plane thread is arranged on the end face of the other side of the chuck. According to the device, synchronous rotation andradial feeding of the inclined rollers are controlled, so that a long shaft can be machined, and a multi-section stepped shaft can also be machined.
Description
technical field [0001] The invention relates to the field of rolling equipment, in particular to a synchronous three-roll cross-rolling device. Background technique [0002] With the development of the railway industry, the running speed of the train is getting faster and faster. The key to improving the running speed of the train is to reduce the weight of the components. At present, high-speed trains generally use hollow axles. This new type of axle can greatly increase the speed of trains, and its strength is not inferior to that of solid axles. The manufacturing process of the hollow train axle is roughly divided into three types: 1) after forging the stepped shaft shape by forging, and then digging out the inner hole by cutting; 2) precision forging of the hollow blank; 3) cross-wedge rolling of the hollow blank take shape. In order to save resources and improve the utilization rate of materials, the method of cutting and machining the inner hole is gradually abandone...
Claims
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IPC IPC(8): B21H1/00B21H9/00
Inventor 束学道王吉泰李子轩张松彭文飞左锦荣殷安民
Owner NINGBO UNIV