Floating fixture and method for processing inner and outer rings of single-row tapered roller bearing
A technology of single-row tapered rollers and floating fixtures, which is applied to bearing components, shafts, bearings, chucks, etc., can solve the problems of low product market competitiveness, low production efficiency, and high manufacturing costs, and achieve shortening of the lathing process and reducing Clamping pressure and effect of improving machining efficiency
Inactive Publication Date: 2016-03-23
CHENGDU TIANMA RAILWAY BEARING
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Problems solved by technology
After using the three-jaw finish turning, the roundness is too large, and the roundness is too large, resulting in uneven chamfering and oil groove contours of the product, and hard turning is required after rough grinding
[0006] At present, the turning process of the inner and outer rings of single row tapered roller bearings is relatively long, resulting in relatively low production efficiency and high manufacturing costs, which ultimately lead to low market competitiveness of the product
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[0033] Such as Figure 1 ~ Figure 4 As shown, a floating fixture for processing the inner and outer rings of a single row tapered roller bearing, including a three-jaw chuck 1, three jaws 2, jaw body 3, floating connecting rod 4 and six jaws 7, the three jaws 2 are connected correspondingly On the three-jaw chuck 1, there are three claw bodies 3, and the three claw bodies 3 are respectively arranged corresponding to the three claws 2, and the claw bodies 3 are correspondingly connected to the three claws 2 through the floating connecting rod 4. The claw body 3 can float in the three claws 2 . There are two limit screws 5 connected between the claw body 3 and the three claws 2 , and the two limit screws 5 are symmetrically arranged on both sides of the floating link 4 . There is a certain gap between the limit screw 5 and the three claws 2, which can play a certain role of floating up and down during the clamping process. Each claw body 3 is connected with two claws 7 through...
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Abstract
The invention discloses a floating fixture and a method for processing inner and outer rings of a single-row tapered roller bearing. The floating fixture comprises a three-jaw chuck, three jaws, jaw clamping bodies, a floating connecting rod, and six clamping jaws. The three jaws are correspondingly connected with the three-jaw chuck. The number of the jaw clamping bodies is three. The three jaw clamping bodies are arranged respectively corresponding to the three jaws. The jaw clamping bodies are correspondingly connected with the three jaws through the floating connecting rod. Limiting screws are also connected between the jaw clamping bodies and the three jaws. The number of the limiting screws is two. The two limiting screws are respectively symmetrically arranged on two sides of the floating connecting rod. Each jaw clamping body is meshed and connected with the two clamping jaws through teeth. The three jaws and the jaw clamping bodies are connected through the floating connecting rod, and the limiting screws are connected between the jaw clamping bodies and the three jaws. Through the floating connecting rod, the limiting screws play certain up-down floating roles in a clamping process. In turning bearing forging, the fixture improves turning precision, and shortens a turnery process of the inner and outer rings of a single-row tapered roller bearing.
Description
technical field [0001] The invention relates to the technical field of processing single-row tapered roller bearings, in particular to a floating fixture and a processing method for processing inner and outer rings of single-row tapered roller bearings. Background technique [0002] At present, for single-row tapered roller bearings (light and thin) processed on horizontal lathes, three jaws are basically used for clamping and turning. The process flow is divided into: [0003] 1. Outer ring: forging, rough turning inner diameter, rough turning outer diameter, rough turning raceway, stress relief annealing, fine turning inner diameter, finishing turning outer diameter, finishing turning raceway, turning finished product, heat treatment, rough grinding, hard turning reverse horn. [0004] 2. Inner ring: forging, rough turning inner diameter, rough turning large rib outer diameter, rough turning small rib outer diameter, rough turning large rib, rough turning raceway, stress...
Claims
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IPC IPC(8): B23B31/103B23B1/00
CPCB23B31/103B23B1/00B23B31/102B23B2215/12B23B2220/445
Inventor 杨群浩廖素军刘李
Owner CHENGDU TIANMA RAILWAY BEARING
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