CN-121670504-B - On-line aligning type rotary supporting device for ultra-precision of outer ring channel of coated bearing

Abstract

The invention relates to the technical field of bearing part support, in particular to an online aligning type rotary support device for ultra-precision of a coating bearing outer ring channel, which has the technical scheme that the online aligning type rotary support device comprises a positioning and mounting substrate, wherein the positioning and mounting substrate comprises a support plate, and a support body rear end slideway and a support body front end slideway are arranged at the tops of two ends of the support plate; the invention has the beneficial effects that the front end support body is driven to rotate through the rebound steering assembly, and the rotating shaft direction of the ceramic bearing is regulated, so that the effect of benign rolling contact between the outer ring of the coating bearing and the ceramic bearing is achieved, and the risks of scratch and crushing of the coating caused by sliding friction are avoided.

Inventors

• JIANG HUI
• CHENG XIA
• WANG CHUNFENG

Assignees

• 上海振华轴承总厂有限公司

Dates

Publication Date

20260508

Application Date

20260205

Claims (6)

1. 1. The utility model provides an on-line aligning formula rotary support device for coating bearing outer lane channel superfinishing, includes location mounting substrate, rotary support module and on-line aligning benchmark module, its characterized in that: the positioning and mounting substrate comprises a support plate, wherein a center of the top surface of the support plate is provided with a aligning hexagonal hole, one side of the support plate is provided with a curved groove, the other side of the support plate is provided with a hard alloy support point and a support plate limiting assembly, the tops of the two ends of the support plate are provided with a support body rear end slideway and a support body front end slideway, and the support body front end slideway is arranged between the support body rear end slideway and the curved groove; The rotary support module comprises a rear end support body, the rear end support body is slidably arranged in a rear end slideway of the support body, a front end support body is slidably arranged in a front end slideway of the support body, a bearing seat is arranged at the top of the front end support body, a ceramic bearing assembly is arranged on the bearing seat, a front end support body connecting piece is also arranged on the top surface of the front end support body, a rebound steering assembly is arranged at the top of the rear end support body and comprises a sleeve, the sleeve is arranged at the top of the rear end support body, a rotating rod is rotatably arranged in the sleeve, the front end of the rotating rod is connected with the front end support body connecting piece, and a rear end support body limiting assembly is arranged at one side of the rear end support body far away from the front end support body; The on-line aligning reference module comprises an aligning sample ring, a sample ring connecting rod is rotatably arranged at the top of the aligning sample ring, a hexagonal pin is arranged at one end of the sample ring connecting rod, which is far away from the aligning sample ring, and the hexagonal pin is inserted into and arranged in an aligning hexagonal hole; The rebound steering assembly comprises a fixed bevel ring, the fixed bevel ring is fixedly arranged on the inner wall of a sleeve, the rotating rod outer wall is fixedly provided with the rotating bevel ring, the rotating bevel ring is arranged on one side of the fixed bevel ring, which is far away from a front end support connecting piece, one side, which is close to each other, of the rotating bevel ring and the fixed bevel ring is provided with a slope surface which can be mutually embedded, the front end of the rotating rod is provided with an annular bulge, the outer wall of the rotating rod is sleeved with a reset spring, the reset spring is arranged between the annular bulge at the front end of the rotating rod and the fixed bevel ring, the front end support connecting piece is connected with the front end of the rotating rod through a front end support fastening screw, the rear end of the rotating rod is provided with a rotating handle structure, a reed lock pin is embedded in the rotating handle structure at the rear end of the rotating rod, one end inner wall of the sleeve, which is far away from the front end support connecting piece, is provided with an annular limit groove, the front end pin head of the reed lock pin can be inserted into the annular limit groove, the two sides of the top surface of the rear end support are provided with sliding grooves penetrating through the rear end support, the inner wall of the sliding grooves are provided with reset springs, the inner wall of the rear end support body, the sliding grooves are provided with the reset structures, the front end support body fastening screws are inserted into the rear end support bodies, and the rear end support bodies.
2. 2. The online aligning type rotary supporting device for ultra-precision coating of the bearing outer ring channel of the bearing is characterized in that the rear end supporting body limiting assembly comprises a fixed block, fixed block fastening screws are installed at two ends of the fixed block in a penetrating mode, the fixed block is fixedly installed in a supporting body rear end slideway through the fixed block fastening screws, supporting body limiting screws are installed on the middle portion of the fixed block in a threaded mode in the horizontal direction, second supporting head fastening screws are installed on the middle portion of the fixed block in a threaded mode in the vertical direction, and the lower end of each second supporting head fastening screw abuts against the middle portion of each supporting body limiting screw.
3. 3. The online aligning type rotary supporting device for the ultra-precision of the coating bearing outer ring channel of claim 1, wherein the ceramic bearing assembly comprises a ceramic bearing inner ring and a ceramic bearing outer ring, the ceramic bearing inner ring is arranged on the inner side of the ceramic bearing outer ring, curved slide ways are arranged on the outer side of the ceramic bearing inner ring and the inner side of the ceramic bearing outer ring, and a plurality of ceramic rolling bodies are filled between the curved slide ways of the ceramic bearing inner ring and the ceramic bearing outer ring.
4. 4. The online aligning type rotary supporting device for ultra-precision of the outer ring channel of the coated bearing is characterized in that an expansion screw hole is formed in the upper end of the bearing seat, the inner ring of the ceramic bearing is sleeved and mounted on the expansion screw hole, the outer wall of the ceramic bearing is sleeved and mounted on the inner ring of the ceramic bearing, and a bolt at the top of the expansion screw hole is screwed into a conical surface screw.
5. 5. The on-line aligning rotary supporting device for ultra-precision coating of bearing outer ring channels of claim 4, wherein a bearing seat fastening screw penetrates through one side of the bottom of the front end supporting body, a bearing seat fastening screw hole is formed in one side of the bottom of the bearing seat, the bearing seat fastening screw penetrates through the bottom of the front end supporting body and is screwed into the bearing seat fastening screw hole, and the front end supporting body connecting piece is fixedly mounted on the top of the front end supporting body through the front end supporting body fastening screw.
6. 6. The on-line aligning type rotary supporting device for ultra-precision of the outer ring channel of the coating bearing is characterized in that a supporting plate fastening screw is installed on the supporting plate in a penetrating mode, the supporting plate limiting assembly comprises a supporting plate limiting block, the supporting plate limiting block is arranged on one side, far away from the curved surface groove, of the supporting plate, a positioning taper pin and a limiting block fastening screw are installed on the supporting plate limiting block in a penetrating mode, the supporting plate limiting block is provided with a supporting plate limiting screw in a threaded mode in the horizontal direction, the front end of the supporting plate limiting screw abuts against a hard alloy supporting point, a first supporting head fastening screw is installed on the supporting plate limiting block in a threaded mode in the vertical direction, and the lower end of the first supporting head fastening screw abuts against the middle of the supporting plate limiting screw.

Description

On-line aligning type rotary supporting device for ultra-precision of outer ring channel of coated bearing Technical Field The invention relates to the technical field of bearing part support, in particular to an ultra-precise on-line rotary support device for a coating bearing outer ring channel. Background With the development of high-end equipment manufacturing industry, the coating bearing is increasingly widely applied in the fields of new energy, precise transmission, extreme environmental equipment and the like due to the excellent performances of abrasion resistance, corrosion resistance, electric insulation and the like; The outer ring surface of the bearing is usually coated with a thin layer of functional material, has high hardness and sensitive binding force, belongs to a fragile surface, and in the superfinishing process of a bearing outer ring channel, the outer ring surface is required to be clamped on a supporting device to rotate at a high speed, while the prior art generally adopts a fixed rigid support, and has the following two prominent defects: (1) The problem of damage to the surface of the coating is that sliding friction is adopted between the outer ring of the bearing and the fixed support, so that the contact stress is high, and the precise coating is extremely easy to scratch, indentation and even peel, so that a workpiece is irreversibly damaged and scrapped; (2) The aligning procedure is tedious and low-efficiency, in order to ensure the concentricity of channel grinding and superfinishing, the rotation center of a workpiece (commonly called as 'eccentric alignment') needs to be accurately adjusted, the whole bearing plate assembly needs to be detached from a grinding platform in the existing method, offline manual grinding or adjustment is carried out, and then installation and alignment are carried out again, so that the process is interrupted, the production is time-consuming and tedious, the precision depends on the experience of workers and is difficult to maintain stably, and the consistency of the production efficiency and the processing quality is severely restricted; Therefore, the innovative invention is a necessary online aligning type rotary supporting device for ultra-precision of the outer ring channel of the coated bearing, which can actively protect the fragile coating surface in the processing process, and can realize rapid, accurate and online eccentric adjustment without disassembly so as to meet the processing requirements of high quality and high efficiency of the coated bearing. Disclosure of Invention In order to achieve the aim, the invention provides the technical scheme that the online aligning type rotary supporting device for coating the ultra-precision of the outer ring channel of the bearing comprises a positioning mounting substrate, a rotary supporting module and an online aligning reference module; the positioning and mounting substrate comprises a support plate, wherein a center of the top surface of the support plate is provided with a aligning hexagonal hole, one side of the support plate is provided with a curved groove, the other side of the support plate is provided with a hard alloy support point and a support plate limiting assembly, the tops of the two ends of the support plate are provided with a support body rear end slideway and a support body front end slideway, and the support body front end slideway is arranged between the support body rear end slideway and the curved groove; The rotary support module comprises a rear end support body, the rear end support body is slidably arranged in a rear end slideway of the support body, a front end support body is slidably arranged in a front end slideway of the support body, a bearing seat is arranged at the top of the front end support body, a ceramic bearing assembly is arranged on the bearing seat, a front end support body connecting piece is also arranged on the top surface of the front end support body, a rebound steering assembly is arranged at the top of the rear end support body and comprises a sleeve, the sleeve is arranged at the top of the rear end support body, a rotating rod is rotatably arranged in the sleeve, the front end of the rotating rod is connected with the front end support body connecting piece, and a rear end support body limiting assembly is arranged at one side of the rear end support body far away from the front end support body; The on-line aligning reference module comprises an aligning sample ring, a sample ring connecting rod is rotatably arranged at the top of the aligning sample ring, a hexagonal pin is arranged at one end, far away from the aligning sample ring, of the sample ring connecting rod, and the hexagonal pin is inserted into a aligning hexagonal hole. Preferably, the rebound steering assembly comprises a fixed bevel angle lantern ring, the fixed bevel angle lantern ring is fixedly arranged on the inner wall of the sleeve, the rotating rod outer w