Processing method of eccentric sleeve of thread rolling machine
A processing method and technology for eccentric sleeves, which are applied in the processing field of eccentric sleeves of thread rolling machines, can solve problems such as harsh correction requirements, loss of parts manufacturing accuracy, and difficulty in achieving coincidence.
Active Publication Date: 2017-08-25
JIANGSU HEFUTE GEAR MFG
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Problems solved by technology
[0002] The eccentric sleeve of the thread rolling machine is a component, which consists of three parts: the front eccentric sleeve, the rear eccentric sleeve, and the shift fork. They are connected by positioning pins and hexagon socket screws. Due to the limitation of the gearbox structure, it can only be assembled in the assembly of the gearbox. In the prior art, separate processing is used and combined in the assembly, which causes a large loss in the manufacturing accuracy of the parts when they are assembled. The main The reason is that the positioning pin holes processed by the front eccentric sleeve and the rear eccentric sleeve are difficult to coincide with the benchmarks of the inner hole and outer circle of the bearing, and the calibration requirements for processing are very strict.
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[0011] The present invention will be further described now in conjunction with accompanying drawing. These drawings are simplified schematic diagrams only to illustrate the basic structure of the present invention in a schematic way, so they only show the components relevant to the present invention.
[0012] Such as figure 1 As shown, an eccentric sleeve of a thread rolling machine has a front eccentric sleeve 8, a rear eccentric sleeve 10, a shift fork 9, and a mandrel 1, the front eccentric sleeve 8 and the rear eccentric sleeve 10 are connected by a shift fork 9, and the front The eccentric sleeve 8 has a front eccentric shaft hole, the axis of the front eccentric shaft hole is eccentric with the outer axis of the front eccentric sleeve 8, and the rear eccentric sleeve 10 has a rear eccentric shaft hole, and the axis of the rear eccentric shaft hole It is eccentric with the outer axis of the rear eccentric sleeve 10. The mandrel 1 passes through the front eccentric shaft ...
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The invention relates to a screw rolling machine eccentric bushing, comprising a front eccentric bushing, a rear eccentric bushing, a shifting form, and a mandrel. The front eccentric bushing is provided with a front eccentric axle hole. The axis of the front eccentric axle hole and the excircle axis of the front eccentric bushing are in an eccentric shape. The rear eccentric bushing is provided with a rear eccentric axle hole. The axis of the rear eccentric axle hole and the excircle axis of the rear eccentric bushing are in an eccentric shape. The mandrel passes through the front eccentric axle hole and the rear eccentric axle hole. A front holder holding dense balls is arranged between the mandrel and the inner wall of the front eccentric axle hole. A rear holder holding dense balls is arranged between the mandrel and the inner wall of the rear eccentric axle hole. The mandrel and the front eccentric bushing are fixed with a front screw through a front gasket. The mandrel and the rear eccentric bushing are fixed with a rear screw through a rear gasket. The eccentric bushing can ensure unification of eccentricity of the front eccentric bushing and the rear eccentric bushing under unified processing standard of the front eccentric axle hole, the rear eccentric axle hole, the excircle of the front eccentric bushing, and the excircle of the rear eccentric bushing.
Description
technical field [0001] The invention relates to a processing method for an eccentric sleeve of a thread rolling machine. Background technique [0002] The eccentric sleeve of the thread rolling machine is a component, which consists of three parts: the front eccentric sleeve, the rear eccentric sleeve, and the shift fork. They are connected by positioning pins and hexagon socket screws. Due to the limitation of the gearbox structure, it can only be assembled in the assembly of the gearbox. In the prior art, separate processing is used and combined in the assembly, which causes a large loss in the manufacturing accuracy of the parts when they are assembled. The main The reason is that the positioning pin holes processed by the front eccentric sleeve and the rear eccentric sleeve are difficult to coincide with the benchmarks of the inner hole and outer circle of the bearing, and the requirements for processing correction are very strict. Contents of the invention [0003] T...
Claims
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IPC IPC(8): B21H3/04
CPCB21H3/04
Inventor 钱江宋廷王福龙
Owner JIANGSU HEFUTE GEAR MFG