A bearing component processing device

Abstract

The present invention relates to the technical field of bearing housing processing. Specifically, it is a bearing assembly processing device, which includes a bottom plate. A left support plate and a right support plate are fixed on the bottom plate. A clamping mechanism is installed on the right side surface of the left support plate, and a cutting device is installed on the left side surface of the right support plate. A circular groove is formed in the middle of the clamping support plate, and a locking component for locking the bearing assembly is arranged on the clamping support plate and outside the circular groove. The bearing assembly processing device designed by the present invention can respectively lock the annular structure and the cuboid base of the bearing housing according to the structure of the bearing housing, so that the bearing housing is limited and locked in all directions, and the bearing housing will not shake or wobble when rotating. Moreover, the present invention can lock the axis of the annular structure of bearing housings of different models, thereby increasing the processing accuracy of the bearing housing and improving its later use effect.

Description

Technical Field

[0001] The present invention relates to the technical field of bearing component processing, and specifically to a bearing component processing device. Background Art

[0002] A bearing housing is used to fix the outer ring of a bearing, enabling the inner ring of the bearing to rotate stably. Under the support of the bearing housing, the outer ring of the bearing remains stationary and always keeps in line with the transmission direction. A conventional bearing housing consists of two parts, the upper part of the bearing housing is a ring structure, and its lower part is a cuboid seat. This structure facilitates the installation of the bearing housing to a suitable working position through its cuboid seat. The ring structure of the bearing housing is used to cooperate with the outer ring of the bearing. Therefore, the processing accuracy of the ring structure of the bearing housing directly affects its use effect.

[0003] When processing the bearing housing, it is locked on a positioning fixture. By controlling the rotation of the bearing housing and coordinating the movement of a cutting tool, the inner wall of the ring structure of the bearing housing is then machined. After that, a grinding head is used to perform a grinding operation on the inner wall of the bearing housing. Although the above operations can lock the position of the bearing housing, since the bearing housing is an irregular structure, it is prone to shaking or jumping during rotation, which in turn affects the processing effect of the inner wall of its ring structure during cutting or grinding of the bearing housing.

[0004] In addition, when locking bearing housings of different models, it is impossible to automatically lock their axles. Different models of bearing housings need to re-determine their axle positions. Moreover, there are deviations between the axle positions of the bearing housings and the positions of the cutting tool or the grinding head, which in turn affects the processing accuracy of the bearing housings. Also, the clamping operation for different models of bearing housings is rather cumbersome. After the cutting of the bearing housing is completed, the position of the grinding head needs to be re-positioned, which poses a hidden danger of position deviation for the grinding head. When the cutting tool or the grinding head processes the inner ring of the bearing housing, the cutting tool or the grinding head will shake due to its excessive protruding length, further affecting the processing accuracy of the bearing housing. Summary of the Invention

[0005] The present invention adopts the following technical solutions to solve the above technical problems. A bearing component processing device includes a bottom plate, on which a left support plate and a right support plate are fixed. A clamping mechanism is installed on the right side surface of the left support plate, and a cutting device is installed on the left side surface of the right support plate. It is characterized in that the right side of the cutting device is installed on the left side surface of the support plate through a cylinder. The clamping mechanism includes a clamping support plate rotatably connected to the left support plate. A circular groove is formed in the middle of the clamping support plate, and a locking component for locking the bearing component is arranged on the clamping support plate and outside the circular groove.

[0006] The left support plate is provided with a motor through a motor bracket. The output shaft of the motor is connected with a gear. The outer side of the clamping support plate is provided with gear teeth, and the gear teeth on the outer side of the clamping support plate are meshed with the gear.

[0007] The locking assembly includes a plurality of sliding grooves penetrating through the side surface of the clamping support plate. The plurality of sliding grooves are symmetrically arranged with the center of the circular groove of the clamping support plate as the reference center, and the extension lines of the plurality of sliding grooves all point to the center of the circular groove of the clamping support plate. A clamping column is slidably connected in each sliding groove. The left and right ends of the clamping column pass through the sliding groove. A rotating ring is arranged on the left side surface of the clamping support plate and coaxially with the circular groove. An adjusting connecting rod is hinged between the left end of each clamping column and the inner side surface of the rotating ring.

[0008] The cutting device includes a fixed bracket connected to the left end of the cylinder. The left end of the fixed bracket is fixedly connected with a central pillar. The central pillar is coaxially arranged with the circular groove on the clamping support plate. Telescopic columns are installed on both the upper and lower sides of the central pillar. The telescopic columns are installed at the ends away from the central pillar. A cutting support plate is installed at the end away from the central pillar. A cutting tool and a grinding block are respectively installed on the side surface of the cutting support plate away from the central pillar, and the cutting tool is located on the left side of the grinding block.

[0009] Preferably, an inner hole is arranged at the middle position of the left side surface of the central pillar, and a stable insertion column that is inserted and matched with the inner hole of the central pillar is arranged on the right side surface of the left support plate.

[0010] Preferably, an annular groove is opened on the right side of the left support plate, and a plurality of circular sliding columns that are rotatably matched with the annular groove are installed on the left side of the clamping support plate.

[0011] Preferably, a plurality of adjusting teeth are arranged on the outer side of the rotating ring. A blocking tooth is arranged between two adjacent adjusting teeth. The blocking tooth is installed on a pulling column. The pulling column is slidably connected with a support connecting plate fixed on the clamping support plate. A return spring is sleeved on the outer side of the pulling column. The return spring is connected between the support connecting plate and the end of the pulling column. A turning handle is installed on the outer side surface of the rotating ring.

[0012] Preferably, the number of the clamping columns is odd. One of them is arranged above the clamping support plate, and the remaining clamping columns are arranged symmetrically in the front and back. The outer side of the right end of the clamping column above is an external thread structure, and a clamping ring is connected to the external thread structure of the clamping column above by means of thread fit.

[0013] Preferably, sleeve shafts are rotatably sleeved on the outer sides of the two clamping columns at the lower side. A screw sleeve is rotatably connected to the outer side of the sleeve shaft. A clamping column is rotatably connected to the end of the screw sleeve away from the sleeve shaft.

[0014] Preferably, a vertical slide groove is provided on the lower side of the right side surface of the clamping support plate, a vertical sliding support plate is slidably connected in the vertical slide groove, a height adjustment stud is rotatably connected to the lower side surface of the vertical sliding support plate, and the middle part of the height adjustment stud is connected to the horizontal fixing plate fixed on the right side surface of the clamping support plate through threaded cooperation.

[0015] Preferably, a horizontal slide groove is provided at the right side position of the top of the vertical sliding support plate, the horizontal sliding support plate is slidably connected in the horizontal slide groove, the right side surface of the horizontal sliding support plate is rotatably connected to a width adjustment stud, and the middle part of the width adjustment stud is connected to the vertical fixed plate fixed on the top of the vertical sliding support plate through threaded cooperation.

[0016] Preferably, the right end of the central pillar is rotatably connected to a positioning stud, the middle part of the positioning stud is connected to an extrusion frame by threaded cooperation, L-shaped rods are provided at the upper and lower ends of the extrusion frame, the end of the L-shaped rod is trapezoidal, a trapezoidal block is provided at the bottom of the cutting support plate, the trapezoidal structure of the L-shaped rod is arranged opposite to the inclined surface of the trapezoidal block, and the trapezoidal structure of the L-shaped rod and the inclined surface of the trapezoidal block are respectively provided with T-shaped sliders and T-shaped grooves that slide with each other.

[0017] The beneficial effects of the present invention are as follows: 1. A bearing assembly processing device designed by the present invention can lock the annular structure and the rectangular seat of the bearing seat separately according to the structure of the bearing seat, so that the bearing seat is fully limited and locked, so that the bearing seat will not shake or sway when it rotates, and the present invention can lock the annular structure of bearing seats of different models to a fixed axis, thereby increasing the processing accuracy of the bearing seat and increasing its later use effect.

[0018] 2. In the present invention, the annular structure of the bearing seat is locked by a clamping column whose position can be adjusted synchronously, and this locking method can ensure that the axis of different types of bearing seats are in a specific position when locked, thereby clamping the fixed axis of different types of bearing seats. The present invention can synchronously adjust the position of the clamping columns at different positions at one time, making the clamping and locking operation of the bearing seat simpler. At the same time, the present invention adopts a height-adjustable vertical sliding support plate to resist the lower side of the rectangular seat of the bearing seat, so that the bearing seat can be limited and locked in all directions, thereby increasing its stability in later rotation.

[0019] 3. The present invention can adjust the position of the clamping column through the length-adjustable screw sleeve, so that the clamping column is against the intersection of the annular structure of the bearing seat and the rectangular seat, thereby further increasing the stability and applicability of the bearing seat.

[0020] 4. The present invention installs a cutting tool and a grinding block on the cutting support plate in the cutting device, respectively, which can integrate the cutting and grinding operations on the bearing seat. There is no need to align the grinding head after the bearing seat is cut, thereby increasing the processing accuracy of the bearing seat.

[0021] V. By arranging the stable insertion posts to be inserted and matched with the inner holes of the central posts, when the bearing seat is subjected to cutting and grinding operations, there is no risk of shaking for the cutting tool or the grinding head, further improving the machining accuracy of the bearing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the drawings and embodiments.

[0023] Figure 1 is a first - perspective three - dimensional structural schematic diagram of the present invention.

[0024] Figure 2 is a three - dimensional structural schematic diagram of the clamping mechanism of the present invention.

[0025] Figure 3 is a three - dimensional structural schematic diagram of the cutting device of the present invention.

[0026] Figure 4 is a partial structural schematic diagram of the clamping mechanism of the present invention.

[0027] Figure 5 is the present invention Figure 4 an enlarged view of part A in.

[0028] Figure 6 is the present invention Figure 4 an enlarged view of part B in.

[0029] Figure 7 is a structural schematic diagram of the rotating ring, adjusting connecting rod and adjusting teeth of the present invention.

[0030] Figure 8 is the present invention Figure 7 an enlarged view of part C in.

[0031] Figure 9 is a front - view plan view of the cutting device of the present invention.

[0032] In the figure: 1, bottom plate; 2, left support plate; 21, motor; 22, gear; 3, right support plate; 4, clamping mechanism; 41, clamping support plate; 411, circular sliding column; 412, vertical sliding groove; 413, vertical sliding support plate; 414, height adjustment screw; 415, horizontal fixed plate; 416, horizontal sliding groove; 417, horizontal sliding support plate; 418, width adjustment screw; 419, vertical fixed plate; 42, locking component; 421, sliding groove; 422, clamping column; 423, rotating ring; 424, adjusting connecting rod; 425, adjusting tooth; 426, blocking tooth; 427, pulling column; 428, supporting connecting plate; 429, return spring; 43, snap ring; 44, bushing; 45, screw sleeve; 46, clamping column; 5, cylinder; 6, cutting device; 61, fixed bracket; 62, central support column; 621, position adjustment screw; 622, extrusion frame; 623, L-shaped rod; 63, telescopic column; 64, cutting support plate; 641, trapezoidal block; 65, cutting tool; 66, grinding block; 7, stabilizing plug Detailed implementation method

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0034] Refer to Figure 1 , a bearing assembly processing device, including a bottom plate 1, a left support plate 2 and a right support plate 3 are fixed on the bottom plate 1. A clamping mechanism 4 is installed on the right side surface of the left support plate 2, and a cutting device 6 is installed on the left side surface of the right support plate 3. The right side of the cutting device 6 is installed on the left side surface of the right support plate 3 through a cylinder 5. The clamping mechanism 4 includes a clamping support plate 41 rotatably connected to the left support plate 2. A circular groove is provided in the middle of the clamping support plate 41. A locking component 42 for locking the bearing assembly is arranged on the clamping support plate 41 and outside the circular groove. The present invention can perform all-round centering clamping and locking on bearing seats of different models, so that the irregularly shaped bearing seats will not shake or jump during rotational cutting processing, increasing the processing accuracy of the bearing seats. Specifically, first, place the bearing seat to be processed on the right side of the clamping support plate 41 and lock its centering through the clamping mechanism 4. After the bearing seat is positioned, extend the cylinder 5 to drive the cutting device 6 to move to the left, so that the cutting device 6 can perform an integrated operation of cutting and grinding the inner wall of the annular structure of the bearing seat.

[0035] It can be understood that the circular groove of the clamping support plate 41 is used to make way for the cutting device 6, preventing the cutting device 6 from abutting against the clamping mechanism 4 and causing the bearing seat to be unable to perform all-round cutting and grinding.

[0036] Refer to Figure 1 and Figure 2 , a motor 21 is installed on the left support plate 2 through a motor bracket. The output shaft of the motor 21 is connected to a gear 22. Gear teeth are provided on the outer side of the clamping support plate 41, and the gear teeth on the outer side of the clamping support plate 41 mesh with the gear 22. In the present invention, the motor 21 drives the gear 22 to rotate, and the gear 22 drives the clamping support plate 41 to rotate, thereby realizing the stable rotation of the bearing seat locked in all directions.

[0037] Refer to Figure 2 , an annular groove is opened on the right side of the left support plate 2, and a plurality of circular sliding columns 411 that are rotationally matched with the annular groove are installed on the left side of the clamping support plate 41. When the motor 21 drives the clamping support plate 41 to rotate in the present invention, the circular sliding columns 411 slide inside the annular groove, enabling the clamping support plate 41 to rotate stably under the support of the circular sliding columns 411.

[0038] Refer to Figure 3 and Figure 7 , the locking assembly 42 includes a plurality of sliding grooves 421 penetrating through the side surface of the clamping support plate 41. The plurality of sliding grooves 421 are symmetrically arranged with the center of the circular groove of the clamping support plate 41 as the reference center, and the extension lines of the plurality of sliding grooves 421 all point to the center of the circular groove of the clamping support plate 41. A clamping column 422 is slidably connected in each sliding groove 421. Both the left and right ends of the clamping column 422 pass through the sliding groove 421. A rotating ring 423 is coaxially arranged with the circular groove on the left side surface of the clamping support plate 41. An adjusting link 424 is hinged between the left end of each clamping column 422 and the inner side surface of the rotating ring 423. The locking assembly 42 is used for multi-directional clamping and locking of bearing seats of different models, and the locking assembly 42 performs centering clamping on the annular structure of the bearing seat, so that the axial center positions of different models of bearing seats are the same after locking. Specifically, when the bearing seat is placed on the right side of the clamping support plate 41, by rotating the rotating ring 423 to drive one end of the adjusting link 424 to rotate synchronously, the other end of the adjusting link 424 can synchronously drive the clamping columns 422 at different positions to slide in the sliding grooves 421, so that the clamping columns 422 at different positions move inwards or outwards synchronously, enabling the locking assembly 42 to clamp bearing seats of different models.

[0039] Refer to Figure 7 and Figure 8, several adjusting teeth 425 are provided on the outer side of the rotating ring 423. A blocking tooth 426 is arranged between two adjacent adjusting teeth 425. The blocking tooth 426 is installed on the drawing column 427. The drawing column 427 is slidably and cooperatively connected with a support connecting plate 428 fixed on the clamping support plate 41. A return spring 429 is sleeved on the outer side of the drawing column 427. The return spring 429 is connected between the support connecting plate 428 and the end of the drawing column 427. A turning handle is installed on the outer side surface of the rotating ring 423. In the present invention, the adjusting teeth 425 are cooperated with the blocking teeth 426 to lock the position of the rotating ring 423 after rotation adjustment, preventing the rotating ring 423 from rotating randomly and causing the displacement of the clamping column 422. Specifically, when the bearing seat is placed on the right side of the clamping support plate 41, by pulling the drawing column 427 outwards, the blocking tooth 426 is moved out from between the adjusting teeth 425, and then the turning handle on the rotating ring 423 is manually rotated to make the rotating ring 423 rotate to a suitable position. At this time, the clamping column 422 can move to the specified position, and thus the clamping and locking of the annular structure of the bearing seat are completed. At this time, the pulling force on the drawing column 427 is removed, and the blocking tooth 426 moves back between the corresponding adjusting teeth 425, locking the position of the rotating ring 423 again.

[0040] Refer to Figure 4 , the number of clamping columns 422 is odd. One is arranged above the clamping support plate 41, and the remaining clamping columns 422 are symmetrically arranged front and back. The outer side of the right end of the upper clamping column 422 is of an external thread structure. A clamping ring 43 is connected to the external thread structure of the upper clamping column 422 by a thread fit. In the present invention, through the clamping ring 43 cooperating with the upper clamping column 422, the bearing seat is closely attached to the clamping support plate 41, preventing the bearing seat from shifting left and right during processing. Specifically, after the annular structure of the bearing seat is clamped by the clamping columns 422, the clamping ring 43 is tightened on the upper clamping column 422 to make the clamping of the annular structure of the bearing seat more stable.

[0041] Refer to Figure 4 and Figure 6 , sleeve bearings 44 are rotatably sleeved on the outer sides of the two lower clamping columns 422. A screw sleeve 45 is rotatably connected to the outer side of the sleeve bearing 44. One end of the screw sleeve 45 away from the sleeve bearing 44 is rotatably connected to a clamping column 46. In the present invention, the position of the clamping column 46 is adjusted through the screw sleeve 45 with adjustable length, thereby further increasing the stability and applicability of the bearing seat. Specifically, after the annular structure of the bearing seat is clamped, the sleeve bearings 44 are sleeved on the outer sides of the two lower clamping columns 422, and the screw sleeve 45 rotatably connected to the outer side of the sleeve bearing 44 is rotated to make the clamping column 46 connected to the end of the screw sleeve 45 away from the sleeve bearing 44 abut against the intersection position of the annular structure of the bearing seat and the cuboid seat, further increasing the clamping stability of the bearing seat.

[0042] Refer toFigure 4 , a vertical chute 412 is provided on the lower side of the right side surface of the clamping support plate 41. A vertical sliding support plate 413 is slidably connected in the vertical chute 412. A height adjustment screw 414 is rotatably connected to the lower side surface of the vertical sliding support plate 413. The middle part of the height adjustment screw 414 is threadedly connected with a horizontal fixing plate 415 fixed to the right side surface of the clamping support plate 41; the present invention supports and presses the rectangular base of bearing seats of different models through the height adjustment screw 414. Specifically, when the annular structure of the bearing seat is completely clamped, by adjusting the up and down movement of the height adjustment screw 414, controlling the up and down movement of the vertical sliding support plate 413 in the vertical chute 412, the rectangular base of the bearing seat is locked, thereby increasing the stability of its later rotation.

[0043] Refer to Figure 4 and Figure 5 , a horizontal chute 416 is provided at the right side position of the top of the vertical sliding support plate 413. A horizontal sliding support plate 417 is slidably connected in the horizontal chute 416. A width adjustment screw 418 is rotatably connected to the right side surface of the horizontal sliding support plate 417. The middle part of the width adjustment screw 418 is threadedly connected with a vertical fixing plate 419 fixed to the top of the vertical sliding support plate 413; the present invention transversely clamps and locks the rectangular base of bearing seats of different models through the width adjustment screw 418. Specifically; specifically, when the height adjustment of the rectangular base of the bearing seat is completed, by adjusting the left and right movement of the width adjustment screw 418, controlling the left and right movement of the horizontal sliding support plate 417 in the horizontal chute 416, the rectangular base of the bearing seat is transversely locked, further increasing the stability of the bearing seat clamping.

[0044] Refer to Figure 3 and Figure 9, the cutting device 6 includes a fixed bracket 61 connected to the left end of the cylinder 5. The left end of the fixed bracket 61 is fixedly connected with a central pillar 62. The central pillar 62 is coaxially arranged with the circular groove on the clamping support plate 41. Telescopic columns 63 are installed on both the upper and lower sides of the central pillar 62. One end of the telescopic column 63 far from the central pillar 62 is installed with a cutting support plate 64. A cutting tool 65 and a grinding block 66 are respectively installed on the side of the cutting support plate 64 far from the central pillar 62, and the cutting tool 65 is located on the left side of the grinding block 66; the cutting device 6 performs an integrated cutting and grinding operation on the bearing seat through the cutting tool 65 and the grinding block 66 on the cutting support plate 64, improving the processing efficiency and processing accuracy of the bearing seat; specifically, after the bearing seat is locked in all directions, the clamping support plate 41 is driven to rotate by the rotation of the motor 21, and the bearing seat locked on the clamping support plate 41 can rotate. Then, the cylinder 5 is controlled to extend, so that the cutting tool 65 and the grinding block 66 on the cutting support plate 64 successively perform cutting and grinding operations on the annular inner wall of the bearing seat. Through the above operation method, the processing efficiency of the bearing seat can be improved.

[0045] Refer to Figure 9 , a position adjustment screw column 621 is rotatably connected to the right end of the central pillar 62. The middle part of the position adjustment screw column 621 is connected with a pressing frame 622 by means of thread fitting. L-shaped rods 623 are arranged at both the upper and lower ends of the pressing frame 622. The ends of the L-shaped rods 623 are trapezoidal. A trapezoidal block 641 is arranged at the bottom of the cutting support plate 64. The trapezoidal structure of the L-shaped rod 623 is arranged opposite to the inclined surface of the trapezoidal block 641; since there are deviations in the cutting and grinding positions of bearing seats of different models, the present invention adjusts the synchronous position of the cutting support plate 64 to be applicable to the processing of bearing seats of different models. Specifically, by adjusting the position adjustment screw column 621, the trapezoidal structure of the L-shaped rod 623 is mutually pressed against the trapezoidal block 641 at the bottom of the cutting support plate 64. The cutting support plate 64 under pressure adjusts the distance from the central pillar 62 according to the magnitude of the extrusion force under the action of the telescopic column 63.

[0046] It should be noted that T-shaped sliders and T-shaped chutes that are slidably matched with each other are respectively arranged on the trapezoidal structure of the L-shaped rod 623 and the inclined surface of the trapezoidal block 641. This setting enables the trapezoidal block 641 to only move up and down in cooperation when the L-shaped rod 623 moves left and right. Without external force, both the trapezoidal block 641 and the cutting support plate 64 are in a stable state, increasing the stability of the positions of the cutting tool 65 and the grinding block 66 during the cutting and grinding processing of the bearing seat.

[0047] Refer to Figure 1 and Figure 9, an inner hole is provided in the middle position of the left side surface of the central pillar 62, and a stable insertion pillar 7 that is inserted and matched with the inner hole of the central pillar 62 is provided on the right side surface of the left support plate 2; the stable insertion pillar 7 in the present invention can be inserted and matched with the inner hole of the central pillar 62, so that the cutting tool or the grinding head will not shake during the cutting and grinding operation of the bearing seat, further improving the processing accuracy of the bearing seat; specifically, after the tool is installed, the cutting device 6 is driven to move leftward by the extension cylinder 5. When it moves to the position of the clamping mechanism 4, the stable insertion pillar 7 is inserted into the inner hole of the central pillar 62 to increase the stability during cutting and grinding.

[0048] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bearing assembly processing device, comprising a bottom plate, a left support plate and a right support plate are fixed on the bottom plate, a clamping mechanism is installed on the right side surface of the left support plate, and a cutting device is installed on the left side surface of the right support plate, and it is characterized in that, The right side of the cutting device is installed on the left side of the support plate through a cylinder. The clamping mechanism includes a clamping support plate rotatably connected to the left support plate. A circular groove is formed in the middle of the clamping support plate. A locking component for locking the bearing assembly is arranged on the clamping support plate and outside the circular groove. The left support plate is provided with a motor through a motor bracket. The output shaft of the motor is connected with a gear. Teeth are arranged on the outside of the clamping support plate. The teeth on the outside of the clamping support plate are meshed with the gear. The locking component includes a plurality of sliding grooves formed through the side surface of the clamping support plate. The plurality of sliding grooves are symmetrically arranged with the center of the circular groove of the clamping support plate as the reference center, and the extension lines of the plurality of sliding grooves all point to the center of the circular groove of the clamping support plate. A clamping column is slidably connected in each sliding groove. Both the left and right ends of the clamping column pass through the sliding groove. A rotating ring is arranged on the left side surface of the clamping support plate and coaxially with the circular groove. An adjusting connecting rod is hinged between the left end of each clamping column and the inner side surface of the rotating ring. The number of the clamping columns is odd. One of them is arranged above the clamping support plate, and the remaining clamping columns are arranged symmetrically front and back. The outer side of the right end of the clamping column above is a threaded structure. The threaded structure of the clamping column above is connected with a clamping ring through a threaded fit. Sleeve is rotatably sleeved on the outer sides of the two clamping columns below. A screw sleeve is rotatably connected to the outside of the sleeve. One end of the screw sleeve away from the sleeve is rotatably connected with a clamping column. The cutting device includes a fixed bracket connected to the left end of the cylinder. The left end of the fixed bracket is fixedly connected with a central support column. The central support column is coaxially arranged with the circular groove on the clamping support plate. Telescopic columns are installed on both the upper and lower sides of the central support column. One end of the telescopic column away from the central support column is installed with a cutting support plate. A cutting tool and a grinding block are respectively installed on the side surface of the cutting support plate away from the central support column, and the cutting tool is located on the left side of the grinding block. A positioning screw column is rotatably connected to the right end of the central support column. An extrusion frame is connected to the middle of the positioning screw column through a threaded fit. L-shaped rods are arranged at both the upper and lower ends of the extrusion frame. The ends of the L-shaped rods are trapezoidal. A trapezoidal block is arranged at the bottom of the cutting support plate. The trapezoidal structure of the L-shaped rod is arranged opposite to the inclined surface of the trapezoidal block. T-shaped sliders and T-shaped sliding grooves for sliding cooperation with each other are respectively arranged on the trapezoidal structure of the L-shaped rod and the inclined surface of the trapezoidal block.

2. The machining device for a bearing assembly according to claim 1, characterized in that, An inner hole is arranged at the middle position of the left side surface of the central support column. A stable insertion column that is inserted and matched with the inner hole of the central support column is arranged on the right side surface of the left support plate.

3. An apparatus for machining a bearing assembly according to claim 1, characterized in that, An annular groove is formed on the right side of the left support plate. A plurality of circular sliding columns that are rotatably matched with the annular groove are installed on the left side of the clamping support plate.

4. The processing device for a bearing assembly according to claim 1, characterized in that, A number of adjusting teeth are arranged on the outside of the rotating ring. A blocking tooth is arranged between two adjacent adjusting teeth. The blocking tooth is installed on a pulling column. The pulling column is slidably connected with a support connecting plate fixed on the clamping support plate. A return spring is sleeved on the outside of the pulling column. The return spring is connected between the support connecting plate and the end of the pulling column. A turning handle is installed on the outer side surface of the rotating ring.

5. The machining device for a bearing assembly according to claim 1, wherein, A vertical sliding groove is provided on the lower side of the right side surface of the clamping support plate. A vertical sliding support plate is slidably connected in the vertical sliding groove. A height adjusting screw column is rotatably connected to the lower side surface of the vertical sliding support plate. The middle part of the height adjusting screw column is threadedly connected with a horizontal fixing plate fixed on the right side surface of the clamping support plate.

6. The processing device for a bearing assembly according to claim 5, wherein, A horizontal sliding groove is provided at the right side position of the top of the vertical sliding support plate. A horizontal sliding support plate is slidably connected in the horizontal sliding groove. A width adjusting screw column is rotatably connected to the right side surface of the horizontal sliding support plate. The middle part of the width adjusting screw column is threadedly connected with a vertical fixing plate fixed on the top of the vertical sliding support plate.

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