Grinding device for inner roller groove of bearing outer ring

Abstract

The utility model discloses a bearing outer ring inner roller groove polishing device which comprises a base and an assembly plate, the top of the base is fixedly provided with an installation plate in the vertical direction, the top of the installation plate is fixedly provided with a clamping assembly, the installation plate is rotatably provided with a polishing assembly in a penetrating mode in the front-back direction, and the installation plate is provided with a tensioning assembly. A lifting mechanism is fixedly arranged on the top of the base in the vertical direction, the mounting plate is sleeved with the assembling plate in a sliding mode, a groove is formed in the top of the assembling plate in the left-right direction, a first mounting block and a second mounting block are arranged in the groove in a sliding mode, a rolling assembly is arranged on the first mounting block, and an auxiliary wheel rotationally penetrates through the second mounting block in the front-back direction. The rolling assembly, the tensioning assembly and the grinding assembly are connected through a transmission belt, the bottom of the assembling plate is fixedly connected with the lifting mechanism, a bidirectional threaded rod is rotationally inserted into the assembling plate in the left-right direction and located in the groove, and the first mounting block and the second mounting block are arranged on the forward threaded rod section and the reverse threaded rod section of the bidirectional threaded rod in a matched and sleeved mode respectively.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing processing technical field, concretely relates to a bearing outer ring's inner roller groove polishing device. BACKGROUND

[0002] Bearing as the common component in life, its function is to reduce the friction between two mutual rotation objects, makes the rotation more smooth, needs to set the groove on the inner surface of bearing outer ring for placing the roller, needs to use the polishing equipment to polish the inner roller groove in production.

[0003] The Chinese patent with the publication number CN218984272U discloses a high-precision self-aligning roller bearing outer ring raceway grinding machine, which comprises an assembly plate, a rolling assembly and a polishing assembly. The above-mentioned scheme utilizes the rolling assembly to rotate the bearing outer ring, and simultaneously utilizes the polishing assembly to polish the inner surface of the bearing outer ring, thereby achieving the purpose of efficiently polishing the bearing outer ring, and saving the floor area.

[0004] When using the device to polish the bearing outer ring, since the position of the rolling assembly is fixed, and the working position of the polishing ball of the polishing assembly is fixed, the device can only be applied to bearing outer rings of specific sizes, and the use scene is relatively limited and the applicability is relatively low. UTILITY MODEL CONTENTS

[0005] The utility model intends to provide a bearing outer ring's inner roller groove polishing device to solve the problems of limited use scene and low applicability in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A bearing outer ring's inner roller groove polishing device, comprising a base and an assembly plate, the top of the base is fixedly provided with a mounting plate along the vertical direction, the top of the mounting plate is fixedly provided with a clamping assembly, the polishing assembly is rotatably provided on the mounting plate along the front-rear direction, the mounting plate is provided with a tensioning assembly, the top of the base is fixedly provided with a lifting mechanism along the vertical direction, the assembly plate is slidably sleeved on the mounting plate, the top of the assembly plate is provided with a groove along the left-right direction, the first mounting block and the second mounting block are slidably arranged in the groove, the rolling assembly is arranged on the first mounting block, the auxiliary wheel is rotatably provided on the second mounting block along the front-rear direction, the rolling assembly, the tensioning assembly and the polishing assembly are connected through the transmission belt, the bottom of the assembly plate is fixedly connected with the lifting mechanism, the assembly plate is rotatably inserted with the bidirectional screw rod along the left-right direction, the bidirectional screw rod is located in the groove, and the first mounting block and the second mounting block are respectively sleeved on the positive and negative screw rod segments of the bidirectional screw rod.

[0008] The principle and effect of the technical scheme are as follows:

[0009] Before polishing, rotate the bidirectional threaded rod, move the first mounting block and the second mounting block to the appropriate positions according to the size of the bearing outer ring to be polished, place the bearing outer ring between the rolling assembly and the auxiliary wheel, lift the assembly plate, make the inner surface of the bearing outer ring abut against the polishing assembly, then make the clamping mechanism press the inner surface of the bearing outer ring, start the rolling assembly, drive the bearing outer ring to rotate, and drive the polishing assembly to rotate through the transmission belt, thereby polishing the inner surface of the bearing outer ring.

[0010] Through the above arrangement, on the one hand, the purpose of polishing the inner surface of the bearing outer ring is achieved, and on the other hand, by moving the first mounting block and the second mounting block, the utility model can be applied to bearing outer rings of various specifications, thereby widening the application scenarios of the utility model and improving the applicability of the utility model.

[0011] In the utility model, the drive member is fixedly arranged on the right side of the assembly plate, and the drive member is fixedly connected with one end of the bidirectional threaded rod. Through the above arrangement, the worker can conveniently rotate the bidirectional threaded rod, thereby improving the work efficiency.

[0012] In the utility model, the rolling assembly comprises a driving roller and a servo motor, the driving roller is rotatably arranged in the first mounting block, the servo motor is fixedly arranged on the rear side of the first mounting block, and the output shaft of the servo motor is fixedly connected with the driving roller.

[0013] In the utility model, the support plate is fixedly arranged on the rear side of the first mounting block in a transverse mode, and the servo motor is fixedly arranged on the top of the support plate.

[0014] In the utility model, the polishing assembly comprises a first rotating shaft and a polishing ball, the first rotating shaft is rotatably arranged in the mounting plate, and the polishing ball is fixedly arranged on the front end of the first rotating shaft. The tensioning assembly comprises a torsion spring shaft and a tensioning frame, the torsion spring shaft is arranged in the mounting plate, the tensioning frame is sleeved on the torsion spring shaft, the rear side of the tensioning frame is rotatably provided with a second rotating shaft, and the output shaft, the first rotating shaft and the second rotating shaft are connected through the transmission belt.

[0015] Principle and effect of the technical scheme:

[0016] When the first mounting block or the assembly plate is moved to make the output shaft approach the first rotating shaft, the transmission belt tends to be relaxed, the second rotating shaft on the tensioning frame is driven by the torsion spring shaft to rotate in a direction away from the first rotating shaft along the circumference of the torsion spring shaft, so that the transmission belt maintains a certain tension.

[0017] Through the above arrangement, the situation that the transmission efficiency is low and the transmission precision is poor due to the relatively relaxed transmission belt can be avoided, and the stability of the transmission process is ensured.

[0018] In the utility model, the clamping assembly includes fixed plate, electric cylinder and support, fixed plate is horizontally fixed and is arranged on the front side of mounting plate, electric cylinder is fixed and is inserted on fixed plate along vertical direction, the bottom of electric cylinder is provided with push rod, the bottom of push rod is fixedly connected with the top of support, the left and right ends of support are rotatably provided with roller.

[0019] In the utility model, a plurality of leaves are fixedly arranged on the front side of mounting plate along circumference on first rotating shaft. Through the above setting, the high-speed flow of air at the contact position between polishing assembly and bearing outer ring inner surface can blow out the debris generated in the polishing process, and additional wear on the bearing outer ring inner surface is avoided.

[0020] In the utility model, the driving member is transmission motor. Through the above setting, the bidirectional screw rod can be locked after rotating the bidirectional screw rod to move the first mounting block and the second mounting block to the appropriate position, and displacement of the bearing outer ring in the polishing process is avoided.

[0021] In the utility model, the lifting mechanism is electric telescopic rod. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the front view axonometric drawing of the utility model in partial section;

[0023] Figure 2 It is the rear view axonometric drawing of the utility model;

[0024] Figure 3 It is the partial component decomposition of the utility model Figure 1 ;

[0025] Figure 4 It is the partial component decomposition of the utility model Figure 2 . DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings and embodiments:

[0027] The reference signs in the drawings of the specification include: 10, base;11, lifting mechanism;12, mounting plate;20, clamping assembly;21, fixed plate;22, electric cylinder;23, push rod;24, support;25, roller;30, polishing assembly;31, first rotating shaft;32, polishing ball;33, leaf;40, tensioning assembly;41, torsional spring shaft;42, tensioning frame;43, second rotating shaft;50, rolling assembly;51, driving roller;52, servo motor;53, output shaft;60, assembly plate;61, groove;62, first mounting block;621, support plate;63, second mounting block;631, auxiliary wheel;70, bidirectional screw rod;80, driving member;90, transmission belt.

[0028] As the drawingsFigures 1-4 The utility model discloses a bearing outer ring's inner roller groove polisher, including base 10 and assembly plate 60, the top vertical fixed setting of base 10 has mounting plate 12, the top fixed setting of mounting plate 12 has clamping assembly 20, and the front and back direction rotation of mounting plate 12 is provided with polishing assembly 30, and mounting plate 12 is provided with tensioning assembly 40, and the top vertical fixed setting of base 10 has lifting mechanism 11, the assembly plate 60 is sleeved in mounting plate 12, and the top left and right direction of assembly plate 60 is provided with recess 61, and the first mounting block 62 and second mounting block 63 are slidably arranged in recess 61, and the first mounting block 62 is provided with rolling assembly 50, and the front and back direction rotation of second mounting block 63 is provided with auxiliary wheel 631, and rolling assembly 50, tensioning assembly 40 and polishing assembly 30 are connected through transmission belt 90, and the bottom of assembly plate 60 is fixedly connected with lifting mechanism 11, and the left and right direction rotation of assembly plate 60 is inserted with two -way threaded rod 70, and two -way threaded rod 70 is located in recess 61, and the first mounting block 62 and second mounting block 63 are respectively matched and sleeved in the positive and reverse threaded rod section of two -way threaded rod 70.

[0029] In the embodiment, the right side of the assembly plate 60 is fixedly provided with a driving member 80, and one end of the driving member 80 is fixedly connected with the two-way threaded rod 70.

[0030] In the embodiment, the rolling assembly 50 includes a driving roller 51 and a servo motor 52, the driving roller 51 is rotatably arranged in the first mounting block 62, and the servo motor 52 is fixedly arranged at the rear side of the first mounting block 62. The output shaft 53 of the servo motor 52 is fixedly connected with the driving roller 51.

[0031] In the embodiment, the rear side of the first mounting block 62 is transversely fixedly provided with a support plate 621, and the servo motor 52 is fixedly arranged at the top of the support plate 621.

[0032] In the embodiment, the polishing assembly 30 includes a first rotating shaft 31 and a polishing ball 32, the first rotating shaft 31 is rotatably arranged in the mounting plate 12, and the polishing ball 32 is fixedly arranged at the front end of the first rotating shaft 31. The tensioning assembly 40 includes a torsion spring shaft 41 and a tensioning frame 42, the torsion spring shaft 41 is arranged in the mounting plate 12, the tensioning frame 42 is sleeved on the torsion spring shaft 41, and the rear side of the tensioning frame 42 is rotatably provided with a second rotating shaft 43. The output shaft 53, the first rotating shaft 31 and the second rotating shaft 43 are drivingly connected by the transmission belt 90.

[0033] In the embodiment, the clamping assembly 20 includes a fixed plate 21, an electric cylinder 22 and a support 24, the fixed plate 21 is transversely fixedly arranged at the front side of the mounting plate 12, the electric cylinder 22 is vertically fixedly inserted in the fixed plate 21, the bottom of the electric cylinder 22 is provided with a push rod 23, the bottom of the push rod 23 is fixedly connected with the top of the support 24, and the left and right ends of the support 24 are rotatably provided with rollers 25.

[0034] In the embodiment, the first rotating shaft 31 is fixedly provided with a plurality of fan blades 33 on the front side of the mounting plate 12 in the circumferential direction.

[0035] In the embodiment, the driving member 80 is a transmission motor.

[0036] In the embodiment, the lifting mechanism 11 is an electric telescopic rod.

[0037] The specific implementation process is as follows:

[0038] Before polishing, rotate the bidirectional threaded rod 70, move the first mounting block 62 and the second mounting block 63 to the appropriate positions according to the size of the bearing outer ring to be polished, place the bearing outer ring between the rolling assembly 50 and the auxiliary wheel 631, lift the assembly plate 60, make the inner surface of the bearing outer ring abut against the polishing assembly 30, then make the clamping mechanism press the inner surface of the bearing outer ring, start the rolling assembly 50, drive the bearing outer ring to rotate, and drive the polishing assembly 30 to rotate through the transmission belt 90, so as to polish the inner surface of the bearing outer ring.

[0039] When the first mounting block 62 or the assembly plate 60 moves to make the output shaft 53 close to the first rotating shaft 31, the transmission belt 90 tends to be loose, the torsional spring shaft 41 drives the second rotating shaft 43 on the tensioning frame 42 to rotate in the direction away from the first rotating shaft 31 in the circumferential direction of the torsional spring shaft 41, so as to keep a certain tension of the transmission belt 90.

[0040] The above is only an embodiment of the present application, and the well-known specific technical solutions or characteristics in the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the technical scheme of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. An apparatus for grinding an inner roller groove of a bearing outer ring, characterized by, The utility model relates to a sanding machine, including: The base top is fixedly provided with a mounting plate along the vertical, the mounting plate top is fixedly provided with a clamping assembly, the mounting plate is rotatably provided with a polishing assembly along the front-back direction, the mounting plate is provided with a tensioning assembly, the base top is fixedly provided with a lifting mechanism along the vertical; The assembly plate is slidably sleeved on the mounting plate, the assembly plate top is provided with a groove along the left-right direction, the first mounting block and the second mounting block are slidably arranged in the groove, the first mounting block is provided with a rolling assembly, the second mounting block is rotatably provided with an auxiliary wheel along the front-back direction, the rolling assembly, the tensioning assembly and the polishing assembly are connected through a transmission belt, the assembly plate bottom is fixedly connected with the lifting mechanism, the assembly plate is rotatably inserted with a bidirectional screw rod along the left-right direction, the bidirectional screw rod is located in the groove, and the first mounting block and the second mounting block are respectively sleeved on the positive and reverse screw rod segments of the bidirectional screw rod.

2. The apparatus of claim 1 wherein: The right side of the assembly plate is fixedly provided with a driving member, and one end of the driving member is fixedly connected with the bidirectional screw rod.

3. The apparatus of claim 2 wherein: The rolling assembly includes a driving roller and a servo motor, the driving roller is rotatably arranged in the first mounting block, and the servo motor is fixedly arranged on the rear side of the first mounting block.

4. The apparatus of claim 3 wherein: The rear side of the first mounting block is fixedly provided with a support plate, and the servo motor is fixedly arranged on the top of the support plate.

5. The apparatus of claim 4 wherein: The polishing assembly includes a first rotating shaft and a polishing ball, the first rotating shaft is rotatably arranged in the mounting plate, and the polishing ball is fixedly arranged on the front end of the first rotating shaft.

6. The apparatus of claim 5 wherein: The tensioning assembly includes a torsion spring shaft and a tensioning frame, the torsion spring shaft is arranged in the mounting plate, the tensioning frame is sleeved on the torsion spring shaft, the rear side of the tensioning frame is rotatably provided with a second rotating shaft, and the output shaft, the first rotating shaft and the second rotating shaft are connected through a transmission belt.

7. The apparatus of claim 6 wherein: The clamping assembly includes a fixed plate, an electric cylinder and a support, the fixed plate is fixedly arranged on the front side of the mounting plate, the electric cylinder is fixedly inserted in the fixed plate along the vertical, the electric cylinder bottom is provided with a push rod, the push rod bottom is fixedly connected with the support top, and the support left and right ends are rotatably provided with rollers.

8. The apparatus of claim 2 wherein: A plurality of fan leaves are fixedly arranged on the first rotating shaft along the circumference on the front side of the mounting plate.

9. The apparatus of claim 1 wherein: The driving member is a transmission motor. The lifting mechanism is an electric telescopic rod.

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