CN219853622U

CN219853622U - End face polishing device for bearing production

Info

Publication number: CN219853622U
Application number: CN202320650850.0U
Authority: CN
Inventors: 李晓光; 马瑞; 王旭
Original assignee: Shijiazhuang Derui Machine Tool Co ltd
Current assignee: Shijiazhuang Derui Machine Tool Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-10-20
Anticipated expiration: 2033-03-29

Abstract

The utility model relates to the technical field of bearing processing, in particular to an end surface polishing device for bearing production, which comprises a base, a rotating seat, a fixed frame and an adjusting mechanism; the base is provided with a lifting table which can be lifted under the action of a lifting mechanism; the rotating seat is rotatably arranged on the lifting table under the drive of the first motor, and a first conveying belt, a first polishing mechanism, a second polishing mechanism and a second conveying belt are sequentially arranged on the base in the circumferential direction of the rotating seat; the four fixed frames are uniformly arranged in the circumferential direction of the rotating seat, each fixed frame is provided with a tightening mechanism for fixing a bearing, one side of the fixed frame, which is close to the rotating seat, is provided with a rotating shaft, and the rotating shaft is connected with the rotating shaft of the rotating seat; the adjusting mechanism is arranged on the rotating seat and connected with the four rotating shafts and used for driving the rotating shafts to rotate. The polishing machine has the advantages of high polishing efficiency and the like.

Description

End face polishing device for bearing production

Technical Field

The utility model relates to the technical field of bearing machining, in particular to an end face polishing device for bearing production.

Background

Bearings are a precision mechanical element that changes sliding friction between an operating shaft and a shaft seat into rolling friction, thereby reducing friction losses. During the production process of the bearing, two end faces of the bearing need to be polished.

In the prior art, the Chinese patent with the patent number of CN202222630154.1 discloses a bearing end face grinding device, wherein a supporting strip in a clamping port is connected with a bearing, then the supporting strip can be fixed with the bearing through a chuck and can drive the bearing to rotate under the action of a driving motor, a grinding disc can be driven to rotate through a servo motor at the moment, and then the grinding disc is controlled by a cylinder to be close to the bearing so as to grind the bearing end face, however, after one end face of the bearing is ground, the bearing is required to be disassembled and turned over, the other end face of the bearing is ground, a great amount of time is wasted in reinstallation, and the grinding efficiency is low.

Disclosure of Invention

In view of the above, the utility model provides an end face polishing device for bearing production, which aims to solve the problem of low polishing efficiency of the end face of a bearing in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

an end face grinding device for bearing production, comprising:

a base on which a lifting table is arranged which can be lifted under the action of a lifting mechanism;

the rotating seat is rotatably arranged on the lifting table under the drive of the first motor, and a first conveyor belt, a first polishing mechanism, a second polishing mechanism and a second conveyor belt are sequentially arranged on the base in the circumferential direction of the rotating seat;

the four fixing frames are uniformly arranged in the circumferential direction of the rotating seat, each fixing frame is provided with a clamping mechanism for fixing a bearing, one side, close to the rotating seat, of each fixing frame is provided with a rotating shaft, and the rotating shafts are connected with the rotating shafts of the rotating seat;

the adjusting mechanism is arranged on the rotating seat, is connected with the four rotating shafts and is used for driving the rotating shafts to rotate.

The utility model further improves that the first polishing mechanism has the same structure as the second polishing mechanism, the first polishing mechanism comprises a second motor arranged on the base, the output end of the second motor is provided with a grinding disc, and the polishing surface of the grinding disc is flush with the upper surface of the conveying belt.

A further improvement of the present utility model is that the clamping mechanism comprises:

the first sliding blocks are arranged on the two clamping blocks and can be slidably arranged in the first slide ways on the fixed frame;

the transmission assembly is arranged on the frame and connected with the two clamping blocks, and when the first hydraulic cylinder drives one clamping block to slide along the first slideway, the transmission assembly can drive the other clamping block to slide along the opposite direction.

A further improvement of the present utility model is that the transmission assembly includes:

the middle part of the rotating rod is connected with the rotating shaft of the fixed frame;

and the first ends of the two connecting rods are respectively hinged with the two ends of the rotating rod, the second ends of each connecting rod are hinged with the corresponding first sliding blocks, and when the first sliding blocks slide, the rotating rods can be driven to rotate through the connecting rods.

A further development of the utility model consists in that the opposite sides of both clamping blocks are provided with V-grooves.

The utility model is further improved in that rubber pads are arranged on two sides of the V-shaped groove.

A further improvement of the utility model is that the adjustment mechanism comprises:

the rotating disc is coaxial with the rotating seat and is rotatably arranged on the rotating seat;

the first bevel gear is coaxially arranged on the rotating disc with the rotating disc, a third motor is arranged on the rotating seat, and a second bevel gear at the output end of the third motor is meshed with the first bevel gear;

and the four third bevel gears are respectively arranged on the four rotating shafts, and each third bevel gear is meshed with the first bevel gear.

A further improvement of the utility model is that the third motor is a stepper motor.

A further improvement of the present utility model is that the lifting mechanism comprises:

the first end of the first hinging rod is hinged with a first hinging seat on the base, a second slideway is arranged on the lifting table, and the second end of the first hinging rod is hinged with a second sliding block in the second slideway;

the middle part of the second hinging rod is hinged with the first hinging rod, the first end of the second hinging rod is hinged with a second hinging seat on the lifting table, a third slideway is arranged on the base, and the second end of the second hinging rod is hinged with a third sliding block in the third slideway;

the driving component is arranged on the base, connected with the third sliding block and used for driving the third sliding block to slide along a third slideway.

A further development of the utility model consists in that the drive member comprises a drive rod connected to the third slide and a second hydraulic cylinder parallel to the third slide, the piston rod end of which second hydraulic cylinder is connected to the drive rod.

By adopting the technical scheme, the utility model has the following technical progress:

the utility model provides an end face polishing device for bearing production, which is characterized in that after a bearing is fixed by a clamping mechanism, one end of the bearing is polished by a first polishing mechanism, the bearing is driven to ascend by a lifting mechanism, so that the bearing is separated from the first polishing mechanism, a rotating seat is driven by a first motor to rotate to a second polishing mechanism, in the rotating process of the rotating seat, a rotating shaft is driven by an adjusting mechanism to turn over, at the moment, the direction of one end of the bearing and the direction of the other end of the bearing are turned over, and the other end face of the bearing is polished by the second polishing mechanism in a descending way by a lifting mechanism, so that the polishing efficiency is improved without disassembly and assembly.

The technical progress is mainly realized by the following detailed technical improvements:

1. when the first hydraulic cylinder drives one clamping block to move towards the other clamping block, the other clamping block can slide along the direction opposite to the moving direction of the first clamping block under the action of the transmission assembly, and then the two clamping blocks move relatively simultaneously, the bearing is clamped through the two clamping blocks, the bearing can be fixed more quickly, and the bearing is suitable for bearings with various diameters, and the application range is wide.

2. When the third motor drives the second bevel gear to rotate, the first bevel gear can be driven to rotate, and when the first bevel gear rotates, the four third bevel gears are meshed with the first bevel gear, so that the third bevel gears can be driven to rotate, and the fixed frame is driven to turn around the rotating shaft to adjust the polishing end face of the bearing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIGS. 1 and 2 are schematic views showing the structure of a polishing apparatus according to the present utility model;

FIG. 3 is a schematic view of a clamping mechanism according to the present utility model;

FIG. 4 is a schematic view of the structure of the adjusting mechanism according to the present utility model;

FIG. 5 is a schematic view of a lifting mechanism according to the present utility model;

reference numerals illustrate:

10-a base, 11-a lifting table, 12-a first conveyor belt, 13-a first polishing mechanism, 131-a second motor, 132-a grinding disc, 14-a second polishing mechanism, 15-a second conveyor belt, 20-a lifting mechanism, 21-a first hinging rod, 22-a second slideway, 23-a second slider, 24-a first hinging seat, 25-a second hinging rod, 26-a third slideway, 27-a third slider, 28-a second hinging seat, 291-a second hydraulic cylinder, 292-transmission rod, 30-rotating seat, 31-first motor, 40-fixed frame, 41-rotating shaft, 50-clamping mechanism, 51-clamping block, 511-V-shaped groove, 52-first slide block, 53-first slideway, 541-rotating rod, 542-connecting rod, 55-first hydraulic cylinder, 60-regulating mechanism, 61-rotating disk, 62-first bevel gear, 63-third motor, 64-second bevel gear and 65-third bevel gear.

Detailed Description

Technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it should be apparent that in the following description, specific details are set forth such as the specific system structure, technology, etc. for the purpose of illustration rather than limitation, in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

The utility model provides an end face polishing device for bearing production, which is known from the accompanying drawings 1 to 5 in the specification, and mainly comprises the following parts or components: the base 10, the rotating base 30, the fixed frame 40 and the adjusting mechanism 60 are connected as follows:

the base 10 is provided with a lifting table 11 which can be lifted under the action of a lifting mechanism 20; the rotating seat 30 is rotatably arranged on the lifting table 11 under the drive of the first motor 31, and the first conveyor belt 12, the first grinding mechanism 13, the second grinding mechanism 14 and the second conveyor belt 15 are sequentially arranged on the base 10 in the circumferential direction of the rotating seat 30; the four fixed frames 40 are uniformly arranged in the circumferential direction of the rotating seat 30, a tightening mechanism for fixing a bearing is arranged on each fixed frame 40, a rotating shaft 41 is arranged on one side, close to the rotating seat 30, of each fixed frame 40, and the rotating shaft 41 is connected with the rotating shaft of the rotating seat 30; the adjusting mechanism 60 is disposed on the rotating base 30 and connected to the four rotating shafts 41, for driving the rotating shafts 41 to rotate.

Firstly, the first conveyor belt 12 conveys the bearing to be polished towards the direction of the rotating seat 30, secondly, the lifting mechanism 20 drives the fixed frame 40 to descend, so that the fixed frame 40 frames the bearing, then the clamping mechanism 50 on the fixed frame 40 clamps the bearing, afterwards, the lifting mechanism 20 drives to ascend through the lifting table 11, so that the bearing is separated from the first conveyor belt 12, at the moment, the first motor 31 drives the rotating seat 30 to rotate, the bearing is moved to the first polishing mechanism 13, the lifting mechanism 20 drives the fixed block to descend again, so that the first polishing mechanism 13 polishes the first end of the bearing, after polishing of the first end of the bearing is completed, the lifting mechanism 20 drives the fixed frame 40 to ascend repeatedly, so that the bearing is moved to the second polishing mechanism 14, and in the moving process, the adjusting mechanism 60 drives the rotating shaft 41 to rotate, so that the fixed frame 40 overturns 180 DEG, at the moment, one end of the bearing overturns with the direction of the other end, at the moment, the rotating seat 30 rotates again, the bearing is moved to the second conveyor belt 15, the bearing is released by the clamping mechanism 50, after polishing is completed, the fixed frame 40 is driven to ascend by the lifting mechanism 20, so that the bearing is separated from the fixed frame 40, and the bearing can be polished down.

When the first grinding mechanism 13 grinds the bearing, the second fixing frame 40 frames the other bearing on the first conveyor belt 12 and clamps the bearing through the clamping mechanism 50, when the first bearing moves to the second grinding mechanism 14 to grind, the second bearing moves to the first grinding mechanism 13 to grind, when the first bearing is placed on the second conveyor belt 15, the second bearing grinds the second end of the bearing by the second grinding mechanism 14, and when the bearing end face grinds, the bearing does not need to be disassembled and turned over, so that the time for reinstalling the bearing is reduced, the grinding efficiency is improved, and the degree of automation is high.

As an embodiment, as shown in fig. 2 of the specification, the first polishing mechanism 13 has the same structure as the second polishing mechanism 14, the first polishing mechanism 13 includes a second motor 131 disposed on the base 10, an output end of the second motor 131 is provided with a polishing disc 132, and a polishing surface of the polishing disc 132 is flush with an upper surface of the conveyor belt.

As an example, as can be seen from fig. 3 of the specification, the tightening mechanism includes: the first sliding blocks 52 arranged on the two clamping blocks 51 are slidably arranged in the first sliding ways 53 on the fixed frame 40; the transmission assembly is arranged on the frame and connected with the two clamping blocks 51, and when the first hydraulic cylinder 55 drives one clamping block 51 to slide along the first slideway 53, the transmission assembly can drive the other clamping block to slide along the opposite direction.

When the first hydraulic cylinder 55 drives one clamping block 51 to move towards the other clamping block 51, the other clamping block 51 can slide along the direction opposite to the moving direction of the first clamping block 51 under the action of the transmission assembly, and then the two clamping blocks 51 move relatively simultaneously, the bearings are clamped through the two clamping blocks 51, the bearings can be fixed more quickly, the bearings with various diameters are adapted, the bearings with different diameters can be clamped, and the application range is wide.

In this embodiment, as can be seen from fig. 3 of the specification, the transmission assembly includes: the middle part of the rotating rod 541 is connected with the rotating shaft of the fixed frame 40; the first ends of the two connecting rods 542 are respectively hinged to two ends of the rotating rod 541, and the second ends of the two connecting rods are hinged to the corresponding first sliding blocks 52, so that when the first sliding blocks 52 slide, the connecting rods 542 can drive the rotating rod 541 to rotate.

When the rotating rod 541 rotates around the middle portion thereof, the distance between the two end portions of the rotating rod 541 and the middle portion of the rotating rod 541 along the length direction of the first slide 53 changes the same, so that when the rotating rod 541 rotates, the two first sliding blocks 52 can be driven to slide in opposite directions in the slide, and similarly, when the first hydraulic cylinder 55 drives one of the sliding blocks to slide, and when the rotating rod 541 can be driven to rotate, the other clamping block 51 can be driven to slide in opposite directions.

In this embodiment, as can be seen from fig. 3 of the specification, the opposite sides of the two clamping blocks 51 are each provided with a V-shaped groove 511. The two clamping blocks 51 with the V-shaped structure grooves can clamp the bearing more conveniently, and the rubber pads arranged on the two sides of the V-shaped groove 511 can prevent the clamping blocks 51 from damaging the outer surface of the bearing due to overlarge force application in the process of clamping the bearing, so that the production quality of the bearing is ensured.

As an example, as can be seen from fig. 4 of the specification, the adjusting mechanism 60 includes: the rotating disc 61 is coaxially arranged with the rotating seat 30 and rotatably arranged on the rotating seat 30; the first bevel gear 62 and the rotating disc 61 are coaxially arranged on the rotating disc 61, a third motor 63 is arranged on the rotating seat 30, and a second bevel gear 64 at the output end of the third motor 63 is meshed with the first bevel gear 62; four third bevel gears 65 are provided on the four rotation shafts 41, respectively, and each third bevel gear 65 is meshed with the first bevel gear 62.

When the third motor 63 drives the second bevel gear 64 to rotate, the first bevel gear 62 can be driven to rotate, and when the first bevel gear 62 rotates, the four third bevel gears 65 are meshed with the first bevel gear 62, so that the third bevel gears 65 can be driven to rotate, and the fixed frame 40 is driven to turn around the rotating shaft 41, so that one end and the other end of the bearing turn around, and the end face of the bearing polished can be adjusted. And the gear transmission has the characteristics of accurate transmission ratio, reliable work, high precision and the like.

In the present embodiment, the third motor 63 is a stepping motor. Stepper motors are open loop control elements that convert electrical pulse signals into angular or linear displacements. The rotation speed of the motor, the position of stopping depends only on the frequency and the number of pulses of the pulse signal, and thus the rotation angle of the fixed frame 40 can be precisely adjusted.

In this embodiment, as can be seen from fig. 5 of the specification, the lifting mechanism 20 includes: the first end of the first hinging rod 21 is hinged with a first hinging seat 24 on the base 10, a second slideway 22 is arranged on the lifting table 11, and the second end of the first hinging rod 21 is hinged with a second sliding block 23 in the second slideway 22; the middle part of the second hinging rod 25 is hinged with the first hinging rod 21, the first end of the second hinging rod is hinged with a second hinging seat 28 on the lifting table 11, a third slideway 26 is arranged on the base 10, and the second end of the second hinging rod 25 is hinged with a third sliding block 27 in the third slideway 26; the driving member is disposed on the base 10 and connected to the third slider 27, for driving the third slider 27 to slide along the third slide way 26. The drive member comprises a drive rod 292 connected to the third slide 27, and a second hydraulic cylinder 291 parallel to the third slide 26, the piston rod end of the second hydraulic cylinder 291 being connected to the drive rod 292.

When the piston rod of the second hydraulic cylinder 291 stretches out and draws back, the third sliding block 27 can be driven to slide in the third slideway 26, and the third sliding block 27 can drive the second hinging rod 25 and the first hinging rod 21 to rotate relatively in the sliding process, so that the lifting table 11 is driven to lift, the structure is simple, the first hinging rod 21 and the second hinging rod 25 are in a scissor fork structure, and the second hydraulic cylinder 291 can drive the lifting table 11 to lift in a larger range through a smaller moving distance.

It should be noted that in this patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, does not include, without limitation, additional elements that are defined by the term "include" an.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. End face grinding device is used in bearing production, characterized in that includes:

2. The end face polishing device for bearing production according to claim 1, wherein the first polishing mechanism is identical to the second polishing mechanism in structure, the first polishing mechanism comprises a second motor arranged on the base, a grinding disc is arranged at the output end of the second motor, and the polishing surface of the grinding disc is flush with the upper surface of the conveying belt.

3. The end face grinding apparatus for bearing production of claim 1, wherein the clamping mechanism comprises:

4. A bearing production end face grinding apparatus as defined in claim 3, wherein said transmission assembly comprises:

5. An end face grinding apparatus for bearing production according to claim 4, wherein the opposite sides of both said clamping blocks are provided with V-grooves.

6. The end face polishing device for bearing production according to claim 5, wherein rubber pads are arranged on two sides of the V-shaped groove.

7. The end face polishing device for bearing production according to claim 1, wherein the adjusting mechanism comprises:

8. The end face polishing device for bearing production of claim 7, wherein the third motor is a stepper motor.

9. An end face grinding apparatus for bearing production according to any one of claims 1-8, wherein the lifting mechanism comprises:

10. An end face grinding apparatus for bearing production according to claim 9, wherein the driving member includes a transmission rod connected to the third slider, and a second hydraulic cylinder parallel to the third slide, and a piston rod end of the second hydraulic cylinder is connected to the transmission rod.