CN214685926U

CN214685926U - Super lapping machine for precision bearing channel

Info

Publication number: CN214685926U
Application number: CN202022155130.6U
Authority: CN
Inventors: 朱洪亮; 朱晨; 沈正富; 嵇士春; 王匀
Original assignee: Yancheng Sanchuan Bearing Manufacturing Co ltd
Current assignee: Yancheng Sanchuan Bearing Manufacturing Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-11-12
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a super lapping machine of precision bearing channel, include: fuselage and L type backup pad the diagonal position symmetry of fuselage is provided with first work piece driving-disc and second work piece driving-disc install the first bearing steel ring on the first work piece driving-disc be provided with first channel on the first bearing steel ring install the second bearing steel ring on the second work piece driving-disc be provided with the second channel on the second bearing steel ring, the fixed setting in fuselage middle part upper end in the upper end of L type backup pad, the lower extreme and the fuselage separation of L type backup pad the lower extreme of L type backup pad is rotated through the bearing frame and is provided with the pivot the both ends that the L type backup pad was stretched out in the pivot are provided with first carousel and second carousel respectively, are provided with from the driven pulleys in the pivot between first carousel and L type backup pad.

Description

Super lapping machine for precision bearing channel

Technical Field

The utility model relates to an equipment of polishing especially relates to a super lapping machine of precision bearing channel.

Background

The super lapping machine of bearing channel is the one set of equipment that polishes to the channel of bearing, and the super lapping machine of current precision bearing channel all is that a polishing motor is equipped with a head of polishing and polishes the channel of bearing steel ring, and it is inefficient to polish, and energy utilization is rateed lowly, and manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the super lapping machine for the precision bearing channel is high in polishing efficiency.

In order to solve the technical problem, the utility model discloses a technical scheme is: super lapping machine of precision bearing channel includes: the device comprises a machine body and an L-shaped supporting plate, wherein a first workpiece driving disc and a second workpiece driving disc are symmetrically arranged at the opposite corners of the machine body, a first bearing steel ring is arranged on the first workpiece driving disc, a first channel is arranged on the first bearing steel ring, a second bearing steel ring is arranged on the second workpiece driving disc, a second channel is arranged on the second bearing steel ring, the upper end of the L-shaped supporting plate is fixedly arranged at the upper end of the middle part of the machine body, the lower end of the L-shaped supporting plate is separated from the machine body, a rotating shaft is rotatably arranged at the lower end of the L-shaped supporting plate through a bearing seat, a first rotating disc and a second rotating disc are respectively arranged at the two ends of the rotating shaft, which extend out of the L-shaped supporting plate, a driven belt wheel is arranged on the rotating shaft between the first rotating disc and the L-shaped supporting plate, and a servo speed reduction motor is arranged at the lower end of the middle part of the machine body, a motor shaft of the servo speed reducing motor is provided with a driving belt wheel, the driving belt wheel is connected with a driven belt wheel through a synchronous belt, the edge of the upper end of the first rotary disc is movably connected with a first crank connecting rod through a first inner pin shaft, the first crank connecting rod is movably connected with the lower end of a first swing arm through a second inner pin shaft, the upper end of the first swing arm is movably arranged on the machine body through a third inner pin shaft, the upper end of the first swing arm is provided with a first pressurizing oil cylinder, the upper end of a first hydraulic rod of the first pressurizing oil cylinder is provided with a first oilstone mounting head, the first oilstone mounting head is provided with a first oilstone which is matched with a first channel, the edge of the lower end of the second rotary disc is movably connected with a second crank connecting rod through a first outer pin shaft, the second crank connecting rod is movably connected with the upper end of a second swing arm through a second outer pin shaft, the lower end of the second swing arm is movably arranged on the machine body through a third outer pin shaft, a second pressurizing oil cylinder is arranged at the lower end of the second swing arm, a second oilstone mounting head is arranged at the lower end of a second hydraulic rod of the second pressurizing oil cylinder, and a second oilstone which is matched with the second channel is mounted on the second oilstone mounting head.

In order to better solve the technical problem, the utility model discloses a further technical scheme is: and the upper end of the first oilstone and the lower end of the second oilstone are respectively provided with an arc-shaped polishing surface.

In order to better solve the technical problem, the utility model discloses a further technical scheme is: the first rotating disc and the second rotating disc are the same in size, the distance from the first inner pin shaft to the rotating shaft is the same as the distance from the first outer pin shaft to the rotating shaft, the lengths of the first crank connecting rod and the second crank connecting rod are the same, and the lengths of the first swing arm and the second swing arm are the same.

In order to better solve the technical problem, the utility model discloses a further technical scheme is: the swing amplitude of the first swing arm is 15-30 degrees, and the swing amplitude of the second swing arm is 15-30 degrees.

The utility model has the advantages that: above-mentioned super lapping machine of accurate bearing channel, compact structure adopts a motor synchronous drive two sets of grinding device to polish to the channel of two bearing steel rings together, and it is efficient to polish, and energy utilization is rateed highly, has effectively reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of the precision bearing channel superfinishing machine of the present invention.

Fig. 2 is a schematic sectional enlarged view of a-a in fig. 1.

In the figure: 1. a machine body, 2, an L-shaped supporting plate, 3, a first workpiece driving disk, 4, a second workpiece driving disk, 5, a first bearing steel ring, 51, a first channel, 6, a second bearing steel ring, 61, a second channel, 7, a bearing seat, 8, a rotating shaft, 9, a first rotating disk, 10, a second rotating disk, 11, a driven pulley, 12, a servo speed-reducing motor, 13, a motor shaft, 14, a driving pulley, 15, a synchronous belt, 16, a first inner pin shaft, 17, a first crank connecting rod, 18, a second inner pin shaft, 19, a first swing arm, 20, a third inner pin shaft, 21, a first pressurizing cylinder, 22, a first hydraulic rod, 23, a first oilstone mounting head, 24, a first oilstone, 25, a first outer pin shaft, 26, a second crank connecting rod, 27, a second outer pin shaft, 28, a second swing arm, 29, a third outer pin, 30, a second pressurizing cylinder, 31, and a second hydraulic rod, 32. a second oilstone mounting head, 33, a second oilstone, 34, and an arc-shaped polishing surface.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the precision bearing groove superfinishing machine includes: the device comprises a machine body 1 and an L-shaped supporting plate 2, wherein a first workpiece driving disk 3 and a second workpiece driving disk 4 are symmetrically arranged at the diagonal positions of the machine body 1, a first bearing steel ring 5 is arranged on the first workpiece driving disk 3, a first channel 51 is arranged on the first bearing steel ring 5, a second bearing steel ring 6 is arranged on the second workpiece driving disk 4, a second channel 61 is arranged on the second bearing steel ring 6, the upper end of the L-shaped supporting plate 2 is fixedly arranged at the upper end of the middle part of the machine body 1, the lower end of the L-shaped supporting plate 2 is separated from the machine body 1, a rotating shaft 8 is rotatably arranged at the lower end of the L-shaped supporting plate 2 through a bearing seat 7, a first rotating disk 9 and a second rotating disk 10 are respectively arranged at the two ends of the rotating shaft 8 extending out of the L-shaped supporting plate 2, and a driven belt pulley 11 is arranged on the rotating shaft 8 between the first rotating disk 9 and the L-shaped supporting plate 2, a servo speed reducing motor 12 is arranged at the lower end of the middle part of the machine body 1, a driving belt wheel 14 is arranged on a motor shaft 13 of the servo speed reducing motor 12, the driving belt wheel 14 is connected with a driven belt wheel 11 through a synchronous belt 15, the edge of the upper end of the first rotary disc 9 is movably connected with a first crank connecting rod 17 through a first inner pin 16, the first crank connecting rod 17 is movably connected with the lower end of a first swing arm 19 through a second inner pin 18, the upper end of the first swing arm 19 is movably arranged on the machine body 1 through a third inner pin 20, a first pressurizing oil cylinder 21 is arranged at the upper end of the first swing arm 19, a first oilstone mounting head 23 is arranged at the upper end of a first hydraulic rod 22 of the first pressurizing oil cylinder 21, a first oilstone 24 which is mutually matched with a first channel 51 is mounted on the first oilstone mounting head 23, the edge of the lower end of the second rotary disc 10 is movably connected with a second crank connecting rod 26 through a first outer pin 25, the upper end swing joint of second crank connecting rod 26 through second outer round pin axle 27 and second swing arm 28, the lower extreme of second swing arm 28 passes through the activity of third outer round pin axle 29 and sets up on fuselage 1 the lower extreme of second swing arm 28 is provided with second pressurization hydro-cylinder 30 the second hydraulic stem 31 lower extreme of second pressurization hydro-cylinder 30 is provided with second oilstone installation head 32 install the second oilstone 33 with second channel 61 mutually supporting on the second oilstone installation head 32.

As shown in fig. 1, in this example, in order to enhance the grinding effect, the upper end of the first oilstone 24 and the lower end of the second oilstone 33 are respectively provided with arc-shaped grinding surfaces 34.

As shown in fig. 1 and fig. 2, in this example, in order to ensure that the stressed load is more uniform, the first rotary table 9 and the second rotary table 10 have the same size, the distance from the first inner pin 16 to the rotating shaft 8 is the same as the distance from the first outer pin 25 to the rotating shaft 8, the lengths of the first crank connecting rod 17 and the second crank connecting rod 26 are the same, and the lengths of the first swing arm 19 and the second swing arm 28 are the same.

As shown in fig. 1, in this example, the swing amplitude of the first swing arm 19 is 15 ° to 30 °, and the swing amplitude of the second swing arm 28 is 15 ° to 30 °.

During installation, the first bearing steel ring 5 is fixed on the first workpiece driving disk 3, the second bearing steel ring 6 is fixed on the second workpiece driving disk 3, the first oilstone 24 is fixed on the first oilstone installation head 23, the second oilstone 33 is fixed on the second oilstone installation head 32, the first oilstone 24 is pressed by the first hydraulic rod 22 of the first extrusion cylinder 21 and is moved to the specified position of the first channel 51, and the second oilstone 33 is pressed by the second hydraulic rod 31 of the second extrusion cylinder 30 and is moved to the specified position of the second channel 61, so that installation is completed.

When the polishing machine is used, the first bearing steel ring 5 rotates along with the first workpiece driving disc 3, the second bearing steel ring 6 rotates along with the second workpiece driving disc 4, the servo speed reduction motor 12 is started, the motor shaft 13 of the servo speed reduction motor 12 drives the driving belt pulley 14 to rotate, the driving belt pulley 14 drives the driven belt pulley 11 to rotate through the synchronous belt 15, the driven belt pulley 11 drives the rotating shaft 8 to rotate in the bearing seat 7, the rotating shaft 8 drives the first rotating disc 9 and the second rotating disc 10 to synchronously rotate, the first rotating disc 8 drives one end of the first crank connecting rod 17 to circularly move around the first rotating disc 8 through the first inner pin shaft 16, the other end of the first crank connecting rod 17 drives the lower end of the first swing arm 19 to swing back and forth through the second inner pin shaft 18, the upper end of the first swing arm 19 rotates on the machine body 1 through the third inner pin shaft 20, the upper end of the first swing arm 19 drives the first oilstone 24 to swing back and forth to polish the first channel 51, meanwhile, the second turntable 10 drives one end of the second crank connecting rod 26 to make a circular motion around the second turntable 10 through the first outer pin shaft 25, the other end of the second crank connecting rod 26 drives the upper end of the second swing arm 28 to swing back and forth through the second outer pin shaft 27, the lower end of the second swing arm 28 rotates on the machine body 1 through the third outer pin shaft 29, and the lower end of the second swing arm 28 drives the second oilstone 33 to swing back and forth to polish the second channel 61.

Above-mentioned super lapping machine of accurate bearing channel, compact structure adopts a motor synchronous drive two sets of grinding device to polish to the channel of two bearing steel rings together, and it is efficient to polish, and energy utilization is rateed highly, has effectively reduced manufacturing cost.

Claims

1. Super lapping machine of precision bearing channel, its characterized in that: the method comprises the following steps: the device comprises a machine body (1) and an L-shaped supporting plate (2), wherein a first workpiece driving disk (3) and a second workpiece driving disk (4) are symmetrically arranged at the diagonal positions of the machine body (1), a first bearing steel ring (5) is installed on the first workpiece driving disk (3), a first channel (51) is arranged on the first bearing steel ring (5), a second bearing steel ring (6) is installed on the second workpiece driving disk (4), a second channel (61) is arranged on the second bearing steel ring (6), the upper end of the L-shaped supporting plate (2) is fixedly arranged at the upper end of the middle part of the machine body (1), the lower end of the L-shaped supporting plate (2) is separated from the machine body (1), a rotating shaft (8) is rotatably arranged at the lower end of the L-shaped supporting plate (2) through a bearing seat (7), and a first rotating disc (9) and a second rotating disc (10) are respectively arranged at the two ends of the rotating shaft (8) extending out of the L-shaped supporting plate (2), a driven belt wheel (11) is arranged on a rotating shaft (8) between a first rotary disc (9) and an L-shaped supporting plate (2), a servo speed reducing motor (12) is arranged at the lower end of the middle part of the machine body (1), a driving belt wheel (14) is arranged on a motor shaft (13) of the servo speed reducing motor (12), the driving belt wheel (14) is connected with the driven belt wheel (11) through a synchronous belt (15), the edge of the upper end of the first rotary disc (9) is movably connected with a first crank connecting rod (17) through a first inner pin shaft (16), the first crank connecting rod (17) is movably connected with the lower end of a first swing arm (19) through a second inner pin shaft (18), the upper end of the first swing arm (19) is movably arranged on the machine body (1) through a third inner pin shaft (20), a first pressurizing oil cylinder (21) is arranged at the upper end of the first swing arm (19), a first oilstone mounting head (23) is arranged at the upper end of a first hydraulic rod (22) of the first pressurizing oil cylinder (21), a first oilstone (24) which is matched with the first channel (51) is arranged on the first oilstone mounting head (23), the edge of the lower end of the second rotary table (10) is movably connected with a second crank connecting rod (26) through a first outer pin shaft (25), the second crank connecting rod (26) is movably connected with the upper end of a second swing arm (28) through a second outer pin shaft (27), the lower end of the second swing arm (28) is movably arranged on the machine body (1) through a third outer pin shaft (29), a second pressurizing oil cylinder (30) is arranged at the lower end of the second swing arm (28), a second oilstone mounting head (32) is arranged at the lower end of a second hydraulic rod (31) of the second pressurizing oil cylinder (30), and a second oilstone (33) matched with the second channel (61) is arranged on the second oilstone mounting head (32).

2. The precision bearing channel superfinishing machine of claim 1, wherein: the upper end of the first oilstone (24) and the lower end of the second oilstone (33) are respectively provided with an arc-shaped polishing surface (34).

3. The precision bearing channel superfinishing machine of claim 2, wherein: the first rotary table (9) and the second rotary table (10) are the same in size, the distance from the first inner pin shaft (16) to the rotating shaft (8) is the same as the distance from the first outer pin shaft (25) to the rotating shaft (8), the first crank connecting rod (17) and the second crank connecting rod (26) are the same in length, and the first swing arm (19) and the second swing arm (28) are the same in length.

4. The precision bearing channel superfinishing machine of claim 1, wherein: the swing amplitude of the first swing arm (19) is 15-30 degrees, and the swing amplitude of the second swing arm (28) is 15-30 degrees.