CN215659507U

CN215659507U - Bearing inner groove grinding machine

Info

Publication number: CN215659507U
Application number: CN202121773917.7U
Authority: CN
Inventors: 康洪庆
Original assignee: Linqing Kangshi Bearing Co ltd
Current assignee: Linqing Kangshi Bearing Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-28
Anticipated expiration: 2031-08-02

Abstract

The application relates to the technical field of bearing grinding machines, and discloses a bearing inner channel grinding machine, which comprises a workbench, a protective box, an apron and supporting legs, wherein the protective box is connected with the workbench, a placing hole is formed in the top of the protective box, the apron is hinged with the protective box, the supporting legs are connected with the workbench, a grinding mechanism and a clamping mechanism are arranged in the protective box, the grinding mechanism comprises a first motor, a supporting seat, a shaft sleeve, a threaded rod, a grinding ring, a supporting rod, a threaded sleeve and an adjusting rod, the first motor is positioned in the protective box and connected with the protective box, the channel of the bearing ring can be conveniently ground by the bearing inner channel grinding machine provided by the application, and compared with a common grinding machine, the grinding machine provided by the application can be used for simultaneously grinding two bearing rings of the same thrust ball bearing, and is favorable for controlling the precision of the bearing ring, further ensuring that the errors of the two matched bearing rings are similar.

Description

Bearing inner groove grinding machine

Technical Field

The application relates to the technical field of bearing grinding machines, in particular to a bearing inner groove grinding machine.

Background

The bearing is a part for fixing and reducing the friction coefficient of load in the process of mechanical transmission, namely, a part for reducing the friction coefficient in the process of power transmission and keeping the center position of a shaft fixed when other parts move relatively to each other on the shaft, and the bearing is an important part in the modern mechanical equipment and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the process of movement and ensuring the rotation precision of the mechanical rotating body. Before the bearing is assembled, the inner ring and the outer ring need to be ground, so that the roughness of the surfaces of the inner circumference and the outer circumference of the bearing meets the assembly requirement.

The existing thrust ball bearing outer ring grinding mostly uses a chuck of a lathe to position, then grinding is carried out, after the processing is finished, the next set of process is carried out, however, a single bearing ring is processed, the bearing ring with small precision difference needs to be selected for assembly in the later period, a large amount of time and manpower need to be consumed, and the process is extremely troublesome.

Accordingly, in view of the above situation, those skilled in the art have proposed a race grinding machine in a bearing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art's not enough, this application provides the raceway grinding machine in the bearing, possesses two race rings that can be simultaneously to single bearing and polish simultaneously, can also adjust advantages such as size of polishing for solve among the prior art bearing grinding machine can not carry out the problem of polishing to two race rings of a pair of bearing simultaneously when polishing.

(II) technical scheme

The application provides the following technical scheme: groove grinding machine in bearing, including workstation, protective housing, apron and supporting leg, the protective housing with the workstation is connected, the protective housing top has places the hole, the apron with the protective housing is articulated, the supporting leg with the workstation is connected, protective housing inside has grinding machanism and fixture.

Through the bearing inner race grinding machine that this application provided can be convenient for polish the channel of race ring, for ordinary grinding machine, the grinding machine that this application provided can be convenient for polish simultaneously two race rings of same thrust ball bearing, is favorable to controlling the precision of race ring, and two matched with race ring errors of further assurance are similar, are favorable to the production and processing of bearing.

In a possible embodiment, the polishing mechanism comprises a first motor, a supporting seat, a shaft sleeve, a threaded rod, a polishing ring, a supporting rod, a threaded sleeve and an adjusting rod, the first motor is located in the protective box and connected with the protective box, the supporting seat is located in the protective box and connected with the workbench, the shaft sleeve penetrates through the supporting seat and connected with the supporting seat, the threaded rod is located in the shaft sleeve and connected with the shaft sleeve, the supporting rod is connected with the shaft sleeve, the polishing ring is connected with the supporting rod, the threaded sleeve is connected with the threaded rod, the adjusting rod is connected with the threaded sleeve and the supporting rod, the shaft sleeve and the output end of the first motor are both sleeved with a chain wheel, and the chain wheel is in chain transmission.

Can be convenient for polish the race ring through setting up grinding machanism, and can polish simultaneously two race rings, utilize the size of adjusting simultaneously and polish, can reduce the error that same race ring polished to guarantee the precision of bearing, the error of further two race rings of assurance can not be too big, thereby reduces the time of adaptation.

In a possible implementation mode, the number of the grinding rings, the number of the supporting rods and the number of the adjusting rods are eight, the number of the threaded sleeves is two, and the grinding rings, the supporting rings, the adjusting rods and the threaded sleeves are evenly divided into two groups and are arranged in a bilateral symmetry mode.

Through the setting of symmetry formula to in to two race rings simultaneous processing, can be convenient for control the precision of polishing of two race rings, guarantee that the precision of two race rings can not be too big in same bearing, the precision of further assurance bearing.

In a possible embodiment, the support rod is hinged to both the shaft sleeve and the polishing ring, and the adjusting rod is hinged to both the support rod and the threaded sleeve.

The size of the grinding ring can be adjusted conveniently by arranging the supporting rod and the adjusting rod, so that the grinding machine is suitable for the size range of the grinding ring with different sizes and requirements, and the grinding machine can be further suitable for machining different bearings.

In a possible embodiment, the sleeve is rotatable relative to the support base, the threaded rod is rotatable relative to the sleeve, the threaded rod is in threaded connection with the threaded sleeve, and the threads of the threaded rod are bidirectional threads.

The adjusting rods can be controlled conveniently through the arrangement of the two-way threads, the two adjusting rods can be guaranteed to be adjusted to the supporting rods at the same time, and the size of the grinding rings on the two sides is further reduced.

In a possible embodiment, fixture includes second motor, pivot, connecting plate, adapter sleeve, bull stick, regulating plate and holding frame, the second motor is located the workstation inner wall and with the workstation is connected, the pivot with second motor output and workstation are connected, the connecting plate with the pivot is connected, the adapter sleeve with the connecting plate is connected, the bull stick runs through the connecting plate and with the adapter sleeve is connected, the regulating plate with the bull stick is connected, the holding frame with the adapter sleeve is connected.

Can be convenient for carry out the centre gripping to the race ring through setting up fixture, and can guarantee two race ring synchronous operation to make things convenient for two race rings to polish simultaneously, make the precision of polishing more accurate, so that the processing of bearing, further assurance race ring still need carry out the adaptation of selecting of race ring after production.

In a possible embodiment, the quantity of connecting plate, bull stick, regulating plate and holding frame is two, two connecting plate, bull stick, regulating plate and holding frame bilateral symmetry set up, the pivot has two-way screw thread, the connecting plate with pivot threaded connection, two the bull stick all has the screw thread, two the screw thread of bull stick is revolved to opposite, the adapter sleeve with bull stick threaded connection.

Through setting up the pivot, can make things convenient for two connecting plates to remove, and can guarantee connecting plate synchronous motion, when further assurance was polished, the stability of race ring ensured to remove and can not produce the error to the difficult control of error when avoiding single removal.

In a possible embodiment, the adjusting plate is in contact with a clamping frame, which is provided with a bearing ring, and the adjusting plate can rotate relative to the connecting sleeve along with a rotating rod.

The clamping frame can be conveniently adjusted by arranging the adjusting plate so as to conveniently clamp the bearing ring, and the stability of the bearing ring during polishing is ensured, so that the machining precision of the bearing ring is ensured.

Compared with the prior art, the application provides a groove grinding machine in bearing, possesses following beneficial effect:

1. this application can be convenient for polish the race ring through setting up grinding machanism, and can polish simultaneously two race rings, utilizes the size of adjusting simultaneously and polishing, can reduce the error that same race ring polished to guarantee the precision of bearing, the error of further two race rings of assurance can not be too big, thereby reduces the time of adaptation.

2. This application can be convenient for carry out the centre gripping to the race ring through setting up fixture, and can guarantee two race ring synchronous operation to make things convenient for two race rings to polish simultaneously, make the precision of polishing more accurate, so that the processing of bearing, further assurance race ring still need carry out the adaptation of selecting of race ring after production.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is an elevation view of a raceway grinding machine in a bearing provided herein;

FIG. 2 is a front cross-sectional view of a raceway grinding machine in a bearing provided herein;

FIG. 3 is a schematic view of a grinding mechanism of a raceway grinding machine in a bearing provided by the present application;

fig. 4 is a schematic view of a clamping mechanism of the raceway grinding machine in bearing provided by the present application.

Wherein: 1 workstation, 2 protective housing, 3 apron, 4 supporting legs, 5 grinding machanisms, 6 fixture, 7 race rings, 51 first motor, 52 supporting seats, 53 axle sleeves, 54 threaded rod, 55 grinding ring, 56 bracing pieces, 57 thread bush, 58 regulation poles, 61 second motor, 62 pivot, 63 connecting plate, 64 adapter sleeve, 65 bull stick, 66 regulating plate, 67 holding frame.

Detailed Description

As shown in fig. 1-3, the present application provides an in-bearing raceway grinding machine: raceway grinding machine in bearing, including workstation 1, protective housing 2, apron 3 and supporting leg 4, protective housing 2 is connected with

workstation

1, and 2 tops of protective housing have and place the hole, and apron 3 is articulated with protective housing 2, and supporting leg 4 is connected with

workstation

1, and 2 insides of protective housing have grinding machanism 5 and fixture 6.

Through the bearing inner race grinding machine that this application provided can be convenient for polish the channel of race ring 7, for ordinary grinding machine, the grinding machine that this application provided can be convenient for polish simultaneously two race rings 7 of same thrust ball bearing, is favorable to controlling race ring 7's precision, and two matched with race ring 7 errors of further assurance are similar, are favorable to the production and processing of bearing.

Specifically, as shown in fig. 2-3, in one possible embodiment, the polishing mechanism 5 includes a first motor 51, a support seat 52, a shaft sleeve 53, a threaded rod 54, a polishing ring 55, a support rod 56, a threaded sleeve 57, and an adjusting rod 58, the first motor 51 is located in the protective box 2 and connected to the protective box 2, the support seat 52 is located in the protective box 2 and connected to the work table 1, the shaft sleeve 53 penetrates through the support seat 52 and connected to the support seat 52, the threaded rod 54 is located in the shaft sleeve 53 and connected to the shaft sleeve 53, the support rod 56 is connected to the shaft sleeve 53, the polishing ring 55 is connected to the support rod 56, the threaded sleeve 57 is connected to the threaded rod 54, the adjusting rod 58 connects the threaded sleeve 57 to the support rod 56, the shaft sleeve 53 and the output end of the first motor 51 are both sleeved with a sprocket, and the sprocket is driven by a chain.

Can be convenient for polish race 7 through setting up grinding machanism 5, and can polish simultaneously two race 7, utilize the size of adjusting simultaneously and polish, can reduce the error of same race 7 polishing to guarantee the precision of bearing, the further error of guaranteeing two race 7 can not be too big, thereby reduces the time of adaptation.

Specifically, as shown in fig. 3, in one possible embodiment, the number of the grinding rings 55, the number of the support rods 56, and the number of the adjusting rods 58 are eight, the number of the threaded sleeves 57 is two, and the plurality of grinding rings 55, the plurality of support rings, the plurality of adjusting rods 57, and the plurality of threaded sleeves 57 are evenly divided into two groups and are arranged in bilateral symmetry.

Through the setting of symmetry formula to in to two race rings 7 simultaneous processing, can be convenient for control the precision of polishing of two race rings 7, guarantee that the precision of two race rings 7 can not too big in same bearing, the precision of further assurance bearing.

Specifically, as shown in fig. 3, in one possible embodiment, the support rod 56 is hinged to both the bushing 53 and the grinding ring 55, and the adjustment rod 58 is hinged to both the support rod 56 and the threaded bushing 57.

The size of the grinding ring 55 can be adjusted conveniently by arranging the supporting rod 56 and the adjusting rod 58, so that the grinding machine is suitable for improving the grinding size range of the bearing ring 7 with different sizes and requirements, and the grinding machine can be further suitable for machining different bearings.

Specifically, as shown in fig. 3, in one possible embodiment, the shaft sleeve 53 can rotate relative to the support base 52, the threaded rod 54 can rotate relative to the shaft sleeve 53, the threaded rod 54 is in threaded connection with the threaded sleeve 57, and the threads of the threaded rod 54 are bidirectional threads.

The two-way thread arrangement can facilitate control over the adjusting rods 58, and can ensure that the two adjusting rods 58 can simultaneously adjust the supporting rod 56, thereby further reducing the size of the two-side grinding ring 55.

Specifically, as shown in fig. 2 and 4, in one possible embodiment, the clamping mechanism 6 includes a second motor 61, a rotating shaft 62, a connecting plate 63, a connecting sleeve 64, a rotating rod 65, an adjusting plate 66 and a clamping frame 67, the second motor 61 is located on the inner wall of the workbench 1 and connected with the workbench 1, the rotating shaft 62 is connected with the output end of the second motor 61 and the workbench 1, the connecting plate 63 is connected with the rotating shaft 62, the connecting sleeve 64 is connected with the connecting plate 63, the rotating rod 65 penetrates through the connecting plate 63 and is connected with the connecting sleeve 64, the adjusting plate 66 is connected with the rotating rod 65, and the clamping frame 67 is connected with the connecting sleeve 64.

Can be convenient for carry out the centre gripping to race ring 7 through setting up fixture 6, and can guarantee two race ring 7 synchronous operation to make things convenient for two race ring 7 to polish simultaneously, make the precision of polishing more accurate, so that the processing of bearing, further assurance race ring 7 still need carry out race ring 7 after the production select the adaptation.

Specifically, as shown in fig. 2 and 4, in one possible embodiment, the number of the connecting plates 63, the rotating rods 65, the adjusting plates 66 and the clamping frames 67 is two, the two connecting plates 63, the rotating rods 65, the adjusting plates 66 and the clamping frames 67 are arranged in bilateral symmetry, the rotating shaft 62 is provided with bidirectional threads, the connecting plates 63 are in threaded connection with the rotating shaft 62, the two rotating rods 65 are provided with threads, the thread directions of the two rotating rods 65 are opposite, and the connecting sleeve 64 is in threaded connection with the rotating rods 65.

Can make things convenient for two connecting plates 63 to remove through setting up pivot 62, and can guarantee connecting plate 63 synchronous motion, when further assurance was polished, the stability of race ring 7 ensured to remove and can not produce the error to the error is wayward when avoiding single removal.

Specifically, as shown in fig. 4, in one possible embodiment, the adjusting plate 66 is in contact with a clamping frame 67, the clamping frame 67 is provided with a bearing ring 7, and the adjusting plate 66 can rotate relative to the connecting sleeve 64 along with the rotating rod 65.

Can be convenient for adjust clamping frame 67 through setting up regulating plate 66 to conveniently carry out the centre gripping to race 7, guarantee the stability of race 7 when polishing, thereby guarantee the precision of race 7 processing.

In addition this application still provides the application method of groove grinding machine in the bearing, open apron 3, place the race 7 that will process on holding frame 67, rotate bull stick 65, because bull stick 65 and adapter sleeve 64 threaded connection, regulating plate 66 removes, it fixes to adjust holding frame 67 bearing ring 7, rotation threaded rod 54, threaded rod 54 rotates and drives thread bush 57 and remove, thread bush 57 moves and drives regulation pole 58 and promote bracing piece 56, adjust the size of support ring, first motor 51 rotates, drive the race through the sprocket chain and rotate, the race drives the ring of polishing 55 and rotates, the electronic rotation of second drives connecting plate 63 and removes to the ring of polishing 55, polish the race 7.

Claims

1. Raceway grinding machine in bearing, including workstation (1), protective housing (2), apron (3) and supporting leg (4), its characterized in that: the protective box (2) is connected with the workbench (1), a placing hole is formed in the top of the protective box (2), the cover plate (3) is hinged to the protective box (2), the supporting leg (4) is connected with the workbench (1), and a polishing mechanism (5) and a clamping mechanism (6) are arranged inside the protective box (2);

the polishing mechanism (5) comprises a first motor (51), a supporting seat (52), a shaft sleeve (53), a threaded rod (54), a polishing ring (55), a supporting rod (56), a threaded sleeve (57) and an adjusting rod (58), wherein the first motor (51) is positioned in the protective box (2) and connected with the protective box (2), the supporting seat (52) is positioned in the protective box (2) and connected with the workbench (1), the shaft sleeve (53) penetrates through the supporting seat (52) and connected with the supporting seat (52), the threaded rod (54) is positioned in the shaft sleeve (53) and connected with the shaft sleeve (53), the supporting rod (56) is connected with the shaft sleeve (53), the polishing ring (55) is connected with the supporting rod (56), the threaded sleeve (57) is connected with the threaded rod (54), the adjusting rod (58) is connected with the threaded sleeve (57) and the supporting rod (56), the output ends of the shaft sleeve (53) and the first motor (51) are respectively sleeved with a chain wheel, and the chain wheels are driven by a chain.

2. The in-bearing raceway grinding machine of claim 1, wherein: the grinding ring (55), the supporting rod (56) and the adjusting rod (58) are eight in number, the threaded sleeves (57) are two in number and are multiple in number, and the grinding ring (55), the supporting ring, the adjusting rod and the threaded sleeves (57) are evenly divided into two groups and are arranged in a bilateral symmetry mode.

3. The in-bearing raceway grinding machine of claim 1, wherein: the supporting rod (56) is hinged with the shaft sleeve (53) and the grinding ring (55), and the adjusting rod (58) is hinged with the supporting rod (56) and the threaded sleeve (57).

4. The in-bearing raceway grinding machine of claim 1, wherein: the shaft sleeve (53) can rotate relative to the supporting seat (52), the threaded rod (54) can rotate relative to the shaft sleeve (53), the threaded rod (54) is in threaded connection with the threaded sleeve (57), and threads of the threaded rod (54) are bidirectional threads.

5. The in-bearing raceway grinding machine of claim 1, wherein: fixture (6) include second motor (61), pivot (62), connecting plate (63), adapter sleeve (64), bull stick (65), regulating plate (66) and holding frame (67), second motor (61) are located workstation (1) inner wall and with workstation (1) is connected, pivot (62) with second motor (61) output and workstation (1) are connected, connecting plate (63) with pivot (62) are connected, adapter sleeve (64) with connecting plate (63) are connected, bull stick (65) run through connecting plate (63) and with adapter sleeve (64) are connected, regulating plate (66) with bull stick (65) are connected, holding frame (67) with adapter sleeve (64) are connected.

6. The in-bearing raceway grinding machine of claim 5, wherein: the quantity of connecting plate (63), bull stick (65), regulating plate (66) and holding frame (67) is two, two connecting plate (63), bull stick (65), regulating plate (66) and holding frame (67) bilateral symmetry set up, pivot (62) have two-way screw thread, connecting plate (63) with pivot (62) threaded connection, two bull stick (65) all have the screw thread, two the screw thread of bull stick (65) is revolved to opposite, adapter sleeve (64) with bull stick (65) threaded connection.

7. The in-bearing raceway grinding machine of claim 5, wherein: adjusting plate (66) with clamping frame (67) contact, race ring (7) are installed to clamping frame (67), adjusting plate (66) can follow bull stick (65) for connecting sleeve (64) rotate.