阅读说明：本技术 一种汽车轮毂轴承内圈专用磨削加工装置 (Special abrasive machining device of automobile wheel hub bearing inner circle ) 是由 黄军军 于 2020-05-25 设计创作，主要内容包括：本发明涉及磨削加工装置技术领域,尤其是一种汽车轮毂轴承内圈专用磨削加工装置,包括底板,所述底板的一侧设有将轴承内圈水平夹持的夹持机构,所述底板的另一侧垂直连接有安装板,所述安装板上水平转动安装有主轴,所述底板上设有驱动主轴绕其中轴线旋转的驱动机构,所述主轴的一端连接有固定块,所述固定块固定连接固定杆的一端,所述固定块上设有多个磨削机构,所述磨削机构包括磨削板,所述磨削板与轴承内圈内壁接触,所述磨削板的两端均通过弹性件连接有磨削片,所述弹性件使得位于磨削板两端的两个磨削片相互靠近,所述磨削片抵住轴承内圈的断面,所述磨削片的端部连接有斜板,本发明能够提高汽车轮毂轴承内圈磨削加工的效率。(The invention relates to the technical field of grinding devices, in particular to a special grinding device for an automobile hub bearing inner ring, which comprises a bottom plate, wherein one side of the bottom plate is provided with a clamping mechanism for horizontally clamping the bearing inner ring, the other side of the bottom plate is vertically connected with an installation plate, a main shaft is horizontally and rotatably installed on the installation plate, a driving mechanism for driving the main shaft to rotate around the central axis of the main shaft is arranged on the bottom plate, one end of the main shaft is connected with a fixed block, the fixed block is fixedly connected with one end of a fixed rod, the fixed block is provided with a plurality of grinding mechanisms, each grinding mechanism comprises a grinding plate, the grinding plate is contacted with the inner wall of the bearing inner ring, the two ends of the grinding plate are respectively connected with grinding sheets through elastic pieces, the two grinding sheets positioned at the two ends of the grinding plate are, the end part of the grinding sheet is connected with the inclined plate, so that the grinding efficiency of the automobile hub bearing inner ring can be improved.)

1. The special grinding device for the bearing inner ring of the automobile hub comprises a bottom plate (1) and is characterized in that one side of the bottom plate (1) is provided with a clamping mechanism for horizontally clamping the bearing inner ring (10), the other side of the bottom plate (1) is vertically connected with a mounting plate (3), the mounting plate (3) is horizontally and rotatably provided with a spindle (16), the bottom plate (1) is provided with a driving mechanism for driving the spindle (16) to rotate around the central axis thereof, one end of the spindle (16) is connected with a fixing block (35), the fixing block (35) is fixedly connected with one end of a fixing rod (34), the fixing block (35) is provided with a plurality of grinding mechanisms, each grinding mechanism comprises a grinding plate (24), the grinding plates (24) are in contact with the inner wall of the bearing inner ring (10), and the two ends of the grinding plates (24) are connected with grinding sheets (37) through, the elastic component makes two grinding sheets (37) at two ends of the grinding plate (24) close to each other, the grinding sheets (37) abut against the section of the bearing inner ring (10), the end part of each grinding sheet (37) is connected with an inclined plate (28), the distance between two inclined plates (28) at two ends of the same grinding plate (24) and one end of each grinding sheet (37) is greater than the length of the grinding plate (24), the grinding plate (24) is fixed on an installation rod (26), one end of the installation rod (26) is fixedly connected with a sliding sleeve (36), the sliding sleeve (36) is sleeved on a sliding rod (25) in sliding fit with the sliding sleeve, one end of the sliding rod (25) is fixed on a fixing block (35), the other end of the sliding rod (25) is fixedly connected with a limiting plate (27), one end of an installation rod (26) is fixedly connected with a telescopic rod (33), and the other end of the telescopic rod (33) is perpendicularly connected with a fixing rod (, the telescopic link (33) is sleeved with a spring (32), a sliding sleeve (36) is fixedly connected with one end of a shifting rod (31), the other end of the shifting rod (31) is fixedly connected with a universal ball (22), the universal ball (22) is in rolling contact with the inner wall of a guide cover (9), the guide cover (9) is in a horn mouth shape, the diameter of the guide cover (9) is increased or decreased along the axial direction of a main shaft (16), and a translation mechanism for driving the guide cover (9) to move back and forth along the linear direction is arranged on the mounting plate (3).

2. The special grinding device for the automobile hub bearing inner ring according to claim 1, characterized in that the clamping mechanism comprises a lower semicircular annular clamping plate (12) and an upper clamping plate (11), the lower clamping plate (12) is fixed on the bottom plate (1) through a support rod (13), the lower clamping plate (12) and the upper clamping plate (11) clamp the bearing inner ring (10) from the upper side and the lower side, one side of the lower clamping plate (12) and one side of the upper clamping plate (11) are rotatably connected through a connecting shaft (15), and the other side of the lower clamping plate (12) and the other side of the upper clamping plate (11) are connected through a movable connecting mechanism.

3. The special grinding device for the inner ring of the automobile hub bearing according to claim 2, wherein the movable connecting mechanism comprises a connecting rod (23), connecting plates (17) are horizontally connected to two sides of the upper clamping plate (11) and the lower clamping plate (12), a long-strip-shaped connecting hole (20) is formed in each connecting plate (17), a round end plate (19) and a long-strip-shaped limiting block (21) are fixedly connected to the upper end and the lower end of the connecting rod (23) respectively, the limiting blocks (21) are matched with the connecting holes (20) in shape and staggered in position, and an operating plate (18) is vertically connected to the upper surface of each end plate (19).

4. The special grinding device for the inner ring of the automobile hub bearing according to claim 1, wherein the driving mechanism comprises a motor (5), the motor (5) is fixedly mounted on the bottom plate (1) through a mounting seat, an output shaft of the motor (5) is coaxially connected with a driving wheel (6), one end, far away from the fixing block (35), of the spindle (16) is coaxially connected with a driving wheel (7), and a transmission belt (4) is connected between the driving wheel (6) and the driving wheel (7).

5. The special grinding device for the inner ring of the automobile hub bearing according to claim 1, wherein the translation mechanism comprises an electric telescopic rod (8), the electric telescopic rod (8) is parallel to the main shaft (16), one end of the electric telescopic rod (8) is fixedly connected with a guide cover (9), the other end of the electric telescopic rod (8) is vertically connected with a mounting plate (3), guide rods (2) in sliding fit with the mounting plate (3) are vertically inserted into two sides of the mounting plate (3), and the end portions of the guide rods (2) are fixedly connected with the guide cover (9).

6. The special grinding device for the automobile hub bearing inner ring according to claim 1, characterized in that the bottom plate (1) is rectangular, and four corners of the bottom plate (1) are provided with support legs (14).

7. The special grinding device for the automobile hub bearing inner ring according to claim 1, characterized in that the elastic part comprises two connecting pieces (29), the two connecting pieces (29) are respectively and fixedly connected with a grinding plate (24) and a grinding sheet (37), an elastic sheet (30) is connected between the two connecting pieces (29), and the elastic sheet (30) enables an included angle between the two connecting pieces (29) to have a tendency of being smaller through self elasticity.

Technical Field

The invention relates to the field of grinding devices, in particular to a special grinding device for an inner ring of an automobile hub bearing.

Background

The main function of the hub bearing (hub bearing) is to bear load and provide precise guidance for the rotation of the hub, and the hub bearing bears axial load and radial load and is a very important part. The traditional bearing for the automobile wheel is formed by combining two sets of tapered roller bearings or ball bearings, and the installation, the oil coating, the sealing and the clearance adjustment of the bearing are all carried out on an automobile production line. The bearing inner ring is an important accessory of an automobile hub bearing, and is frequently required to be ground when being processed. When the grinding machine is ground in the prior art, the two ends and the inner wall of the inner ring need to be ground step by step, the efficiency is low, and the grinding machine is not beneficial to industrial production.

Disclosure of Invention

The invention aims to solve the defect that step grinding is needed in the prior art, and provides a special grinding device for an inner ring of an automobile hub bearing.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a special grinding device for an automobile hub bearing inner ring comprises a bottom plate, wherein one side of the bottom plate is provided with a clamping mechanism for horizontally clamping the bearing inner ring, the other side of the bottom plate is vertically connected with a mounting plate, a spindle is horizontally and rotatably mounted on the mounting plate, a driving mechanism for driving the spindle to rotate around the central axis of the spindle is arranged on the bottom plate, one end of the spindle is connected with a fixed block, the fixed block is fixedly connected with one end of a fixed rod, a plurality of grinding mechanisms are arranged on the fixed block, each grinding mechanism comprises a grinding plate, the grinding plates are in contact with the inner wall of the bearing inner ring, the two ends of each grinding plate are connected with grinding pieces through elastic pieces, the elastic pieces enable the two grinding pieces at the two ends of each grinding plate to be close to each other, the grinding pieces abut against the section of the bearing inner ring, the end parts of the grinding pieces are connected with inclined plates, and the distance between the, the grinding plate is fixed on the installation pole, the one end fixedly connected with sliding sleeve of installation pole, the sliding sleeve suit is on sliding rod with its sliding fit, the one end of sliding rod is fixed on the fixed block, the other end fixedly connected with limiting plate of sliding rod, the one end of installation pole fixed connection telescopic link, the other end vertical connection dead lever of telescopic link, the cover is equipped with the spring on the telescopic link, the one end of sliding sleeve fixed connection driving lever, the universal ball of the other end fixed connection of driving lever, universal ball and guide cover inner wall rolling contact, the guide cover is the horn mouth form, the diameter of guide cover increases progressively or degressively along the axial of main shaft, be equipped with the translation mechanism that the drive guide cover moved back and forth along the straight line direction on the mounting panel.

Preferably, fixture includes annular lower grip block of semicircle and last grip block, the grip block passes through the bracing piece to be fixed on the bottom plate down, grip block and last grip block from upper and lower both sides centre gripping bearing inner race down, connect through the axle that links rotation between one side of lower grip block and last grip block, connect through swing joint mechanism between the opposite side of lower grip block and last grip block.

Preferably, the movable connection mechanism includes the connecting rod, the equal horizontally connected with connecting plate in both sides of going up grip block and lower grip block, set up the connecting hole of rectangular shape on the connecting plate, the upper and lower both ends of connecting rod are the circular shape end plate of fixedly connected with and the long banding stopper respectively, the stopper matches and the position staggers with the connecting hole shape, the last perpendicular surface of end plate is connected with the operation panel.

Preferably, the driving mechanism comprises a motor, the motor is fixedly mounted on the base plate through a mounting seat, an output shaft of the motor is coaxially connected with a driving wheel, one end of the spindle, far away from the fixing block, is coaxially connected with a driving wheel, and a driving belt is connected between the driving wheel and the driving wheel.

Preferably, the translation mechanism comprises an electric telescopic rod, the electric telescopic rod is parallel to the main shaft, one end of the electric telescopic rod is fixedly connected with the guide cover, the other end of the electric telescopic rod is vertically connected with the mounting plate, guide rods in sliding fit with the mounting plate are vertically inserted into two sides of the mounting plate, and the end parts of the guide rods are fixedly connected with the guide cover.

Preferably, the bottom plate is rectangular, and four corners of the bottom plate are provided with support legs.

Preferably, the elastic part comprises two connecting pieces, the two connecting pieces are respectively and fixedly connected with the grinding plate and the grinding sheet, an elastic sheet is connected between the two connecting pieces, and the elastic sheet enables an included angle between the two connecting pieces to have a tendency of reducing through self elasticity.

Compared with the prior art, the invention has the following beneficial effects: the invention carries out grinding processing on the inner ring of the bearing by driving a plurality of grinding mechanisms to rotate by a main shaft, the grinding mechanism comprises a grinding plate, the inner wall of the inner ring of the bearing can be conveniently ground by the grinding plate, the two ends of the grinding plate are also provided with grinding sheets connected by an elastic piece, the two ends of the inner ring of the bearing can be conveniently ground simultaneously by the grinding sheets, the elastic piece enables the grinding sheets to keep a certain pressure with the end surface of the inner ring of the bearing, thereby ensuring the grinding effect, in addition, a spring is also arranged for pushing the grinding plate to abut against the inner wall of the inner ring of the bearing from inside along the guide of a sliding rod and a sliding sleeve, the grinding plate keeps grinding the inner wall of the inner ring of the bearing, a deflector rod is connected on the sliding sleeve, the position of the sliding sleeve can be controlled by the matching between a universal ball connected with the end part of the deflector rod and a guide, the ball cooperates with the department of different diameters on the guide cover inner wall, and makes the sliding sleeve slide on the slide bar, thereby change the position of grinding plate, when going on unloading, the grinding plate moves to being close to dead lever department, accomplish the fixed back of bearing inner race, the grinding plate again moves and supports the inner wall of bearing inner race to the direction of keeping away from the dead lever, and two grinding pieces support the both ends terminal surface of bearing inner race respectively, the swash plate plays the effect that the guide grinding piece pasted bearing inner race both ends terminal surface at this in-process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of another embodiment of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

fig. 5 is a schematic structural diagram at B in fig. 4.

In the figure: the device comprises a bottom plate 1, a guide rod 2, a mounting plate 3, a transmission belt 4, a motor 5, a driving wheel 6, a transmission wheel 7, an electric telescopic rod 8, a guide cover 9, a bearing inner ring 10, an upper clamping plate 11, a lower clamping plate 12, a supporting rod 13, a supporting leg 14, a connecting shaft 15, a main shaft 16, a connecting plate 17, an operating plate 18, an end plate 19, a connecting hole 20, a limiting block 21, a universal ball 22, a connecting rod 23, a grinding plate 24, a sliding rod 25, a mounting rod 26, a limiting plate 27, an inclined plate 28, a connecting sheet 29, an elastic sheet 30, a deflector rod 31, a spring 32, a telescopic rod 33, a fixing rod 34, a fixing.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-5, the special grinding device for the inner ring of the bearing of the automobile hub comprises a bottom plate 1, wherein the bottom plate 1 is rectangular, and four corners of the bottom plate 1 are provided with support legs 14. One side of bottom plate 1 is equipped with the fixture with bearing inner race 10 horizontal centre gripping, fixture includes annular lower grip block 12 of semicircle and last grip block 11, and lower grip block 12 passes through bracing piece 13 to be fixed on bottom plate 1, and lower grip block 12 and last grip block 11 from upper and lower both sides centre gripping bearing inner race 10, rotate through even axle 15 between one side of lower grip block 12 and last grip block 11 and connect, connect through swing joint mechanism between the opposite side of lower grip block 12 and last grip block 11. The movable connecting mechanism comprises a connecting rod 23, connecting plates 17 are horizontally connected to two sides of the upper clamping plate 11 and the lower clamping plate 12 respectively, a connecting hole 20 in a long strip shape is formed in each connecting plate 17, the upper end and the lower end of each connecting rod 23 are fixedly connected with a circular end plate 19 and a limiting block 21 in a long strip shape respectively, the limiting blocks 21 are matched with the connecting holes 20 in shape and staggered in position, and an operating plate 18 is vertically connected to the upper surface of each end plate 19.

Lower grip block 12 and last grip block 11 carry out the centre gripping location to bearing inner race 10 from both sides respectively, when needs are dismantled, rotatory operation board 18 makes stopper 21 rotatory and connecting hole 20 align to, thereby make stopper 21 can pass connecting hole 20, can realize the separation between a connecting plate 17, later make last grip block 11 rotatory around even axle 15, can take off bearing inner race 10, during the clamping, put into bearing inner race 10 between grip block 10 and lower grip block 12, close grip block 10 again, aim at connecting hole 20 with stopper 21 and pass, rotatory operation board 18 makes stopper 21 stagger with connecting hole 20 again, can accomplish the fastening of last grip block 11 and lower grip block 12.

The other side of bottom plate 1 is connected with mounting panel 3 perpendicularly, and the horizontal rotation is installed with main shaft 16 on mounting panel 3, is equipped with the actuating mechanism that drives main shaft 16 and rotate around its central axis on the bottom plate 1, and actuating mechanism includes motor 5, and motor 5 passes through mount pad fixed mounting on bottom plate 1, and the output shaft coaxial coupling of motor 5 has drive wheel 6, and the one end coaxial coupling that main shaft 16 kept away from fixed block 35 has drive wheel 7, is connected with drive belt 4 between drive wheel 6 and the drive wheel 7. The motor 5 is connected with an external power supply through a lead, and the motor 5 drives the main shaft 16 to rotate through the speed reduction transmission of the driving wheel 6 and the transmission wheel 7.

One end of main shaft 16 is connected with fixed block 35, the one end of fixed block 35 fixed connection dead lever 34, be equipped with a plurality of grinding mechanism on the fixed block 35, grinding mechanism includes grinding plate 24, grinding plate 24 and the contact of bearing inner ring 10 inner wall, grinding plate 24's both ends all are connected with grinding sheet 37 through the elastic component, the elastic component makes two grinding sheets 37 that are located grinding plate 24 both ends be close to each other, the elastic component includes two connection pieces 29, two connection pieces 29 are fixed connection grinding plate 24 and grinding sheet 37 respectively, be connected with flexible piece 30 between two connection pieces 29, flexible piece 30 makes the contained angle between two connection pieces 29 have the trend that diminishes through self elasticity, grinding sheet 37 supports the section of bearing inner ring 10, the end connection of grinding sheet 37 has swash plate 28, the distance that the one end of grinding sheet 37 was kept away from to two swash plates 28 that are located same grinding plate 24 both ends is greater than the length of grinding plate 24.

The grinding plate 24 grinds the inner wall of the bearing inner ring 10, and the grinding piece 37 grinds both end faces of the bearing inner ring 10 by the elastic piece 30. The inclined plate 28 serves to guide the grinding pieces 37 when they are placed so that the two grinding pieces 37 can smoothly abut against both end faces of the bearing inner ring 10.

The grinding plate 24 is fixed on the mounting rod 26, one end fixedly connected with sliding sleeve 36 of the mounting rod 26, sliding sleeve 36 suit is on the slide bar 25 with its sliding fit, one end of slide bar 25 is fixed on fixed block 35, the other end fixedly connected with limiting plate 27 of slide bar 25, one end of mounting rod 26 fixed connection telescopic link 33, the other end vertical connection dead lever 34 of telescopic link 33, the cover is equipped with spring 32 on the telescopic link 33, one end of sliding sleeve 36 fixed connection driving lever 31, the other end fixed connection universal ball 22 of driving lever 31, universal ball 22 and the rolling contact of guide cover 9 inner wall, guide cover 9 is the horn mouth form, the diameter of guide cover 9 increases progressively along the axial of main shaft 16 or subtracts progressively, be equipped with the translation mechanism that drives guide cover 9 along the straight line direction round trip movement on the.

During the rotation of the main shaft 16, the universal ball 22 rolls on the inner wall of the guide cover 9, when the guide cover 9 moves horizontally, the universal ball 22 is in rolling fit with different positions on the guide cover 9, and the inner diameter of the guide cover 9 changes, so that the sliding sleeve 36 can also slide on the sliding rod 25 to control the position of the grinding plate 24, when loading and unloading are performed, the grinding plate 24 moves to a position close to the fixed rod 34, after the fixing of the bearing inner ring 10 is completed, the grinding plate 24 moves to a direction away from the fixed rod 34 and abuts against the inner wall of the bearing inner ring 10, the two grinding sheets 37 respectively abut against the end faces at the two ends of the bearing inner ring 10, and the inclined plate 28 plays a role in guiding the grinding sheets 37 to abut against the end faces at the two ends of the bearing inner ring 10 in the process.

Translation mechanism includes electric telescopic handle 8, and electric telescopic handle 8 is parallel with main shaft 16, and electric telescopic handle 8's one end fixed connection guide cover 9, and electric telescopic handle 8's the other end is perpendicular to be connected mounting panel 3, and the perpendicular cartridge in both sides of mounting panel 3 has guide arm 2 with it sliding fit, the tip and the guide cover 9 fixed connection of guide arm 2. The electric telescopic rod 8 is used for adjusting the position of the guide cover 9, and the guide rod 2 is matched with the mounting plate 3 to play a role in guiding the moving direction of the guide cover 9.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.