Bearing inner ring polishing device

Abstract

A bearing inner ring grinding device comprises a workbench, a clamping mechanism and a grinding mechanism, a portal frame is fixedly arranged in the middle of the workbench, an arc-shaped containing table is transversely and fixedly arranged on the workbench, and a first positioning plate and a second positioning plate are symmetrically and fixedly arranged on the portions, located on the two sides of the containing table, of the workbench; the clamping mechanism is composed of a first positioning wheel, a second positioning wheel and a third positioning wheel, the first positioning wheel is installed below the portal frame through a first electric telescopic rod, a second electric telescopic rod is installed in a first positioning plate, and the second electric telescopic rod is connected with the second positioning wheel; a third electric telescopic rod is installed in the second positioning plate and connected with a third positioning wheel, a first motor for driving the third positioning wheel to rotate is installed on the third positioning wheel, and the grinding mechanism is installed on the workbench through a supporting column and is composed of a rotating shaft, a rough grinding roller, a fine grinding roller and a positioning mechanism. The polishing device has the advantages of high polishing efficiency, convenience in use and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing polishing technical field, especially a bearing inner race polishing device. BACKGROUND

[0002] Bearing is an important component in mechanical equipment, and needs to be polished during processing. Most of the existing polishing devices can only polish single bearing, and need to repeatedly clamp and fix the bearing after each processing, which consumes time and reduces the processing efficiency of the bearing.

[0003] Patent network discloses a kind of inner race polishing equipment for bearing processing (announcement number; CN 213970301U), belong to bearing processing technical field, it includes bottom plate, the upper surface of bottom plate is fixedly connected with limiting plate, the upper surface of limiting plate is equipped with a plurality of limiting grooves, a plurality of limiting grooves are all clamped with bearing body, the top of a plurality of bearing bodies is all overlapped in the lower surface of arc-shaped plate, the upper surface of arc-shaped plate is fixedly connected with fixed plate.The inner race polishing equipment for bearing processing, by setting limiting plate, limiting groove, bearing body, arc-shaped plate, fixed plate and hydraulic rod, control hydraulic rod elongation, so that fixed plate drives arc-shaped plate to move downward, so that a plurality of bearing bodies placed on limiting plate are fixed at a time, a plurality of bearing bodies are polished using polishing plate, without frequent operation clamp and hold single bearing body, so that time is greatly saved, and the polishing efficiency is greatly improved.

[0004] The above-mentioned technology can polish multiple bearing inner rings at the same time, improving the polishing efficiency, but the bearing inner ring needs to be fine polished after rough polishing. The above-mentioned equipment can only complete one kind of polishing, and needs to use another equipment when another kind of polishing is performed, which cannot complete two kinds of polishing at a time, reduces the working efficiency, and brings inconvenience to work, so there is room for improvement. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of bearing inner race polishing device to solve the problem raised in background art.

[0006] In order to solve the above problems, the utility provides a bearing inner ring polishing device, including workbench, clamping mechanism, polishing mechanism, the workbench upper middle part is fixed with a portal frame, and the horizontal fixed is an arc-shaped placement table, the workbench is located on both sides of the placement table, and the first positioning plate, the second positioning plate is fixed symmetrically, the clamping mechanism is composed of the first positioning wheel, the second positioning wheel, the third positioning wheel, the first positioning wheel is installed below the portal frame through the first electric telescopic rod, the second electric telescopic rod is installed in the first positioning plate, and the second electric telescopic rod is connected with the second positioning wheel, the third electric telescopic rod is installed in the second positioning plate, and the third electric telescopic rod is connected with the third positioning wheel, one side of the third positioning wheel is fixedly installed with the first motor for driving the third positioning wheel to rotate, the polishing mechanism is installed on the workbench through the support column, the polishing mechanism is composed of the shaft, the rough polishing roller, the fine polishing roller and the positioning mechanism, one end of the shaft is rotatably arranged on the support column, and the second motor is connected, two support rods are fixed symmetrically in the shaft, the rough polishing roller and the fine polishing roller are rotatably connected between the two support rods, and the rough polishing roller and the fine polishing roller are symmetrically arranged on both sides of the shaft, the positioning mechanism is arranged on the support column, and is composed of a U-shaped positioning rod and a third motor.

[0007] Preferably, a plurality of rollers that abut the bearing inner raceway are rotatably arranged in the first positioning wheel, the second positioning wheel and the third positioning wheel, respectively, a first guide rod that slidably connects with the portal frame is fixed on both sides of the first electric telescopic rod in the first positioning wheel, a second guide rod that slidably connects with the first positioning plate is fixed on both sides of the second electric telescopic rod in the second positioning wheel, and a third guide rod that slidably connects with the second positioning plate is fixed on both sides of the third electric telescopic rod in the third positioning wheel.

[0008] Preferably, the shaft is located directly below the first positioning wheel and directly above the placement table.

[0009] Preferably, the rough polishing roller and the fine polishing roller are driven by the shaft and abut the surface of the bearing inner raceway, respectively.

[0010] Preferably, an active groove is formed above the connection of the shaft in the support column, a threaded rod is rotatably arranged in the active groove, the U-shaped positioning rod is arranged in the active groove and is threadedly connected with the threaded rod, the third motor is arranged at the top of the support column and is connected with the top of the threaded rod, and a positioning member is arranged at the end of the shaft rotatably connected in the support column, and two positioning holes that match the U-shaped positioning rod are symmetrically formed in the positioning member.

[0011] The above technical scheme has the following beneficial effects:

[0012] 1, by placing the groove can be placed bearing inner ring, then through the first electric telescopic rod, the second electric telescopic rod, the third electric telescopic rod, respectively, push the first positioning wheel, the second positioning wheel, the third positioning wheel extruded into the raceway of bearing inner ring, in turn, facilitate the bearing inner ring positioned on the workbench, through the first motor drive third positioning wheel rotation, in turn, drive a plurality of bearing inner ring on the placement table rotation, cooperate with rough polishing roller or fine polishing roller complete polishing work, effectively improve the polishing efficiency.

[0013] 2, by the second motor drive rotation of the shaft, in turn, switch the position of rough polishing roller, fine polishing roller, so that the bearing inner ring is preliminary rough polishing, rough polishing roller is in contact with the inner surface of the bearing inner ring, rough polishing needs to be polished, make the fine polishing roller and the rough polishing roller position exchange, make it contact with the inner surface of the bearing inner ring complete fine polishing, in turn, without changing the equipment can complete rough polishing and fine polishing work, effectively improve the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the left view structure schematic diagram of the utility model.

[0016] Figure 3 It is the right view structure schematic diagram of the utility model.

[0017] Figure 4 It is the mechanism schematic diagram of the polishing mechanism of the utility model.

[0018] Among them: 1-workbench;11-gantry;12-placement table;13-first positioning plate;14-second positioning plate;15-support column;151-movable groove;2-clamping mechanism;21-first positioning wheel;22-second positioning wheel;23-third positioning wheel;24-first electric telescopic rod;25-second electric telescopic rod;26-third electric telescopic rod;27-first motor;28-roller;29-first guide rod;291-second guide rod;292-third guide rod;3-polishing mechanism;31-rotating shaft;311-positioning piece;312-positioning hole;32-rough polishing roller;33-fine polishing roller;34-positioning mechanism;341-U-shaped positioning rod;342-third motor;343-threaded rod;35-second motor;36-supporting rod. DETAILED DESCRIPTION

[0019] The embodiment of the utility model is described in detail below in combination with the drawings.

[0020] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. It is indicated or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, movably connected or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] As Figures 1-4 In the embodiment, a bearing inner ring polishing device, comprising a workbench 1, a clamping mechanism 2, a polishing mechanism 3, a gantry 11 is fixedly arranged on the middle of the workbench 1, and an arc-shaped placing table 12 is fixedly arranged transversely, first positioning plates 13 and second positioning plates 14 are fixedly arranged symmetrically on both sides of the placing table 12 on the workbench 1, the clamping mechanism 2 is composed of first positioning wheels 21, second positioning wheels 22 and third positioning wheels 23, the first positioning wheels 21 are installed below the gantry 11 through first electric telescopic rods 24, the second electric telescopic rods 25 are installed in the first positioning plates 13 and connected with the second positioning wheels 22, the third electric telescopic rods 26 are installed in the second positioning plates 14 and connected with the third positioning wheels 23, a first motor 27 for driving the third positioning wheels 23 to rotate is fixedly installed on one side of the third positioning wheels 23, the polishing mechanism 3 is installed on the workbench 1 through support columns 15, the polishing mechanism 3 is composed of rotating shafts 31, rough polishing rollers 32, fine polishing rollers 33 and positioning mechanisms 34, one end of the rotating shaft 31 is rotatably arranged on the support column 15 and connected with a second motor 35, two support rods 36 are fixedly arranged in the rotating shaft 31, the rough polishing rollers 32 and the fine polishing rollers 33 are rotatably connected between the two support rods 36, and the rough polishing rollers 32 and the fine polishing rollers 33 are symmetrically arranged on both sides of the rotating shaft 31, the positioning mechanisms 34 are arranged on the support columns 15 and composed of U-shaped positioning rods 341 and third motors 342.

[0023] Through the technical scheme, when the bearing inner ring is polished, firstly, the plurality of bearing inner rings are inserted on the rotating shaft 31 in the polishing mechanism 3, so that the rough polishing roller 32 and the fine polishing roller 33 are located in the bearing inner ring, and the bearing inner ring is located on the placing table 12; the first positioning wheel 21, the second positioning wheel 22 and the third positioning wheel 23 are respectively pushed to move by the first electric telescopic rod 24, the second electric telescopic rod 25 and the third electric telescopic rod 26, and then the plurality of bearing inner rings are clamped from the outside; after the clamping is completed, the inner surface of the bearing inner ring is in abutment with the rough polishing roller 32; the rotating shaft 31 is positioned by the positioning mechanism 34, so that the rough polishing roller 32 is prevented from shaking during polishing, and the stability of polishing is ensured; the first motor 27 drives the rotation of the third positioning wheel 23, so that the bearing inner ring is driven to rotate, and then the polishing work is completed in cooperation with the rough polishing roller 32; when the rough polishing is completed, the rotating shaft 31 is driven to rotate by the second motor 35, so that the rough polishing roller 32 and the fine polishing roller 33 are exchanged in position, the fine polishing roller 33 is in abutment with the surface of the bearing inner ring, and then the rotation of the bearing inner ring is driven by the third positioning wheel 23 to perform fine polishing, so that the rough polishing and the fine polishing can be completed without replacing the equipment, and the work efficiency is effectively improved.

[0024] Preferably, a plurality of rollers 28 in abutment with the raceway of the bearing inner ring are rotatably arranged in the first positioning wheel 21, the second positioning wheel 22 and the third positioning wheel 23; a first guide rod 29 slidably connected with the gantry 11 is fixed on both sides of the first electric telescopic rod 24 in the first positioning wheel 21; a second guide rod 291 slidably connected with the first positioning plate 13 is fixed on both sides of the second electric telescopic rod 25 in the second positioning wheel 22; and a third guide rod 292 slidably connected with the second positioning plate 14 is fixed on both sides of the third electric telescopic rod 27 in the third positioning wheel 23.

[0025] Through the technical scheme, the plurality of rollers 28 matched with the raceway of the bearing inner ring in the first positioning wheel 21, the second positioning wheel 22 and the third positioning wheel 23 facilitate clamping the bearing inner ring and driving the bearing inner ring to rotate, so as to ensure the stability of the polishing work; and the first guide rod 29, the second guide rod 291 and the third guide rod 292 are used to ensure the stability of the movement of the first positioning wheel 21, the second positioning wheel 22 and the third positioning wheel 23, and then ensure the stability of clamping the bearing inner ring.

[0026] Preferably, the rotating shaft 31 is located directly below the first positioning wheel 21 and directly above the placing table 12.

[0027] Through the technical scheme, the bearing inner ring is conveniently inserted on the rotating shaft 31, and then the first positioning wheel 21, the second positioning wheel 22 and the third positioning wheel 23 can clamp the bearing inner ring.

[0028] Preferably, the rough polishing roller 32 and the fine polishing roller 33 are respectively in contact with the surface of the inner ring of the bearing under the driving of the rotating shaft 31.

[0029] Through the above technical scheme, the rotating shaft 31 rotates under the driving of the second motor 35, and then the positions of the rough polishing roller 32 and the fine polishing roller 33 are exchanged.

[0030] Preferably, an active groove 151 is arranged above the connecting position of the rotating shaft 31 in the support column 15, a threaded rod 343 is arranged in the active groove 151 and rotates, the U-shaped positioning rod 341 is arranged in the active groove 151 and is threadedly connected with the threaded rod 343, the third motor 342 is arranged on the top of the support column 15 and is connected with the top of the threaded rod 343, and the end of the rotating shaft 31 arranged in the support column 15 is provided with a positioning member 311, and two positioning holes 312 matched with the U-shaped positioning rod 341 are symmetrically arranged in the positioning member 311.

[0031] Through the above technical scheme, the third motor 342 drives the rotation of the threaded rod 343 to drive the U-shaped positioning rod 341 to move up and down in the active groove 151, and then the U-shaped positioning rod 341 is inserted into the positioning hole 312 in the end positioning member 311 of the rotating shaft 31, so as to ensure the stability of the rough polishing roller 32 and the fine polishing roller 33 after switching, and when switching is needed, the U-shaped positioning rod 341 is separated from the positioning hole 312, the positioning is released, the switching is facilitated, and the stability of work is improved.

[0032] Finally, it should be noted that the above implementation cases are only used to illustrate the present application, and are not limited to the technical solutions described in the present application; therefore, although the present application has been described in detail with reference to the above-mentioned various embodiments, those skilled in the art should understand that the present application can still be modified or replaced by equivalents, and all technical solutions and improvements that do not deviate from the spirit and scope of the present application should be covered in the scope of the claims of the present application; the technologies not described in detail in the present application are realized by the existing technologies.

Claims

1. A bearing inner ring polishing device, comprising a workbench, a clamping mechanism, a polishing mechanism, characterized in that: The upper part of the workbench is fixed with a portal frame, and a curved placement table is fixed transversely, first positioning plates and second positioning plates are symmetrically fixed on both sides of the placement table, the clamping mechanism is composed of first positioning wheels, second positioning wheels and third positioning wheels, the first positioning wheels are installed below the portal frame through first electric telescopic rods, the second electric telescopic rods are installed in the first positioning plates and connected with the second positioning wheels, the third electric telescopic rods are installed in the second positioning plates and connected with the third positioning wheels, one side of the third positioning wheels is fixedly installed with a first motor for driving the third positioning wheels to rotate, the polishing mechanism is installed on the workbench through support columns, the polishing mechanism is composed of a rotating shaft, a rough polishing roller, a fine polishing roller and a positioning mechanism, one end of the rotating shaft is rotatably arranged on the support column and connected with a second motor, two support rods are symmetrically fixed in the rotating shaft, the rough polishing roller and the fine polishing roller are rotatably connected between the two support rods and symmetrically arranged on both sides of the rotating shaft, and the positioning mechanism is arranged on the support column and composed of a U-shaped positioning rod and a third motor.

2. The bearing inner race grinding apparatus of claim 1, wherein: A plurality of rollers that abut against the rolling tracks of the inner rings of the bearings are rotatably arranged in the first positioning wheels, the second positioning wheels and the third positioning wheels, one first guide rod that is slidably connected with the portal frame is fixed on both sides of the first electric telescopic rods in the first positioning wheels, one second guide rod that is slidably connected with the first positioning plate is fixed on both sides of the second electric telescopic rods in the second positioning wheels, and one third guide rod that is slidably connected with the second positioning plate is fixed on both sides of the third electric telescopic rods in the third positioning wheels.

3. The bearing inner race grinding apparatus of claim 1, wherein: The rotating shaft is located directly below the first positioning wheels and directly above the placement table.

4. The bearing inner race grinding apparatus of claim 1, wherein: The rough polishing roller and the fine polishing roller abut against the surfaces of the inner rings of the bearings under the drive of the rotating shaft.

5. The bearing inner race grinding apparatus of claim 1, wherein: An active groove is formed above the connecting position of the rotating shaft in the support column, a threaded rod is rotatably arranged in the active groove, the U-shaped positioning rod is arranged in the active groove and threadedly connected with the threaded rod, the third motor is arranged on the top of the support column and connected with the top of the threaded rod, and the end of the rotating shaft rotatably connected with the support column is provided with a positioning piece, and two positioning holes that match the U-shaped positioning rod are symmetrically formed in the positioning piece.

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