Bearing supply system suitable for roll shaft machining

Abstract

The bearing supply system suitable for roll shaft machining comprises a feeding device and a control system, the feeding device comprises a main body frame, a feeding part, an upper shaft part, a dustproof part and a dust removal part, and the main body frame comprises a base, a working seat, a connecting carrier plate and a U-shaped dustproof groove pipe. The feeding part comprises a conveying mechanism, a fixing mechanism and a movable cover plate mechanism, the dustproof part comprises a second push rod motor, an arc-shaped positioning plate and a dustproof gate plate, the shaft feeding part comprises a grabbing structure, a transferring mechanism and a shaft feeding mechanism, and the dust removal part comprises a position adjusting mechanism, a dust removal mechanism and a movable cover mechanism. Mechanical supply of bearings can be realized, the labor intensity is greatly reduced, and the supply efficiency is stable and controllable; workers do not need to make long-term contact with the bearing, and potential safety hazards are remarkably reduced; the roll shaft column is mechanically adjusted, the feeding environment is closed, the cleanliness of the bearing is remarkably improved, and the quality of the roll shaft is synchronously improved.

Description

Technical Field

[0001] The utility model relates to the field of roller shaft processing, in particular to a bearing supply system suitable for roller shaft processing. Background Art

[0002] The roller shaft, also called a roller, generally refers to a cylindrical part that can roll on a machine. Among them, the conveying roller shaft mainly consists of a roller shaft column, a cylinder body, and a bearing. For example, a non-welded assembled idler disclosed in Chinese Patent CN206088210U includes a cylinder body, a roller shaft is arranged at the center of the cylinder body, bearing seats are press-fitted at both ends of the cylinder body, a labyrinth inner sealing ring is integrally formed on the outer end face of the bearing seat, a bearing is press-fitted in the bearing seat, both ends of the roller shaft are matched with the inner ring of the bearing, and a bearing retaining ring is installed on the roller shaft corresponding to the inner side of the inner ring of the bearing.

[0003] For a roller shaft such as the above, its processing technological process includes multiple links such as raw material preparation, turning processing, heat treatment, grinding processing, assembly, etc. During assembly, first fix the roller shaft column and the cylinder body vertically, and then press-fit the bearing. At present, most of the bearings in this process are manually transported, and this bearing supply method has the following defects:

[0004] First, long-term manual handling of bearings results in high labor intensity and low work efficiency.

[0005] Second, the bearings occupy a large amount of assembly space and there are certain potential safety hazards.

[0006] Third, it takes a lot of time to adjust the roller shaft column, and the open environment will affect the cleanliness of the bearings, thus making it difficult to control the quality of the roller shafts. Summary of the Utility Model

[0007] The utility model provides a bearing supply system suitable for roller shaft processing, which can effectively solve the problems mentioned in the background art.

[0008] In order to achieve the above object, the utility model adopts the following technical scheme:

[0009] A bearing supply system suitable for roller shaft processing includes a feeding device and a control system.

[0010] Furthermore, the feeding device includes a main frame, a feeding part, an upper shaft part, a dust-proof part, and a dust-removing part.

[0011] Specifically, the main body frame includes a base, a working seat, a connecting carrier plate, and a "U"-shaped dust-proof trough pipe. The base includes a cuboid hollow container one; the working seat is slightly longer than the base and is arranged on the base through columns and a connecting carrier plate, and includes a cuboid hollow container two. A rectangular through hole one is arranged on its left side plate, a "U"-shaped opening through groove one and a rectangular through hole two are arranged on its lower bottom plate, and a strip-shaped through hole one is arranged on its upper bottom plate; the "U"-shaped dust-proof trough pipe is arranged on the lower bottom plate of the working seat through columns, and a flexible protection soft pad is arranged on it.

[0012] Specifically, the feeding part includes a conveying mechanism, a fixing mechanism, and a movable cover plate mechanism.

[0013] The conveying mechanism includes a servo motor, a rack, a gear, and a movable carrier plate one; the rack and the slide rail are arranged on the base and are located below the rectangular through hole two; the movable carrier plate one is slidably connected to the slide rail, and a rectangular through hole four is arranged on it; the servo motor is arranged on the movable carrier plate one; the gear is arranged on the rotating shaft of the servo motor through a reduction gearbox; the rack and the gear are meshed with each other. The fixing mechanism includes a push rod motor one, a movable loading box, and a movable limiting plate; the movable loading box is arranged on the movable carrier plate one and includes a cuboid hollow container three, and a rectangular through hole five is arranged on its upper bottom plate; the rectangular through holes five are distributed in a matrix; the push rod motor one is arranged in the movable loading box; the movable limiting plate is arranged on the movable end of the push rod motor one through an elastic telescopic rod and is slidably connected in the rectangular through hole five; anti-slip strips are arranged on the movable limiting plate. The movable cover plate mechanism includes a dust-proof plate and a dust-proof curtain; the dust-proof plate is pin-connected to the side plate of the working seat; the dust-proof curtain is pin-connected to the dust-proof plate.

[0014] Specifically, the dust-proof part includes a push rod motor two, an arc-shaped positioning plate, and a dust-proof shutter. The push rod motor two is symmetrically arranged on the lower bottom plate of the working seat; the arc-shaped positioning plate is arranged on the movable end of the push rod motor two through a connecting block and an elastic telescopic rod; the front arc-shaped positioning plate is slightly higher than the rear arc-shaped positioning plate, that is, the front arc-shaped positioning plate is located above the rear arc-shaped positioning plate so that the two can be adapted; the dust-proof shutter is arranged on the arc-shaped positioning plate through a connecting column; the front dust-proof shutter is slightly to the right of the rear dust-proof shutter, that is, the front dust-proof shutter is located on the right side of the rear dust-proof shutter so that the two can be adapted.

[0015] Specifically, the upper shaft part includes a grasping structure, a transfer mechanism, and an upper shaft mechanism. The grasping structure includes a lead screw stepping motor 1, a movable carrier plate 2, an electric telescopic rod 1, and a jaw motor; the lead screw stepping motor 1 and the slide bar are arranged inside the working seat; the movable carrier plate 2 is slidably connected to the slide bar and is connected to the nut seat of the lead screw stepping motor 1; the electric telescopic rod 1 is arranged on the movable carrier plate 2; the jaw motor is a four-jaw jaw motor, arranged on the movable end of the electric telescopic rod 1, and anti-slip strips and an electromagnet 1 are arranged on its jaws. The transfer mechanism includes a conveyor belt, a push rod motor 3, and an arc-shaped limiting block; the push rod motor 3 and the conveyor belt are arranged inside the "U"-shaped dust-proof groove pipe of the working seat; the arc-shaped limiting block is arranged on the movable end of the push rod motor 3 and is located above the conveyor belt. The upper shaft mechanism includes a lead screw stepping motor 2, a movable carrier plate 3, an electric telescopic rod 2, and an electromagnet 2; the lead screw stepping motor 2 and the slide bar 2 are arranged on the inner wall of the upper bottom plate of the working seat; the movable carrier plate 3 is slidably connected to the slide bar 2 and is connected to the nut seat of the lead screw stepping motor 2; the electric telescopic rod 2 is arranged on the lower bottom surface of the movable carrier plate 3; the electromagnet 2 is arranged on the movable end of the electric telescopic rod 2.

[0016] Specifically, the dust removal part includes a position adjustment mechanism, a dust removal mechanism, and a movable cover mechanism. The position adjustment mechanism includes an electric telescopic rod 3 and a movable carrier plate 4; the electric telescopic rod 3 and the slide bar 2 are arranged on the upper bottom plate of the transport seat; the movable carrier plate 4 is slidably connected to the slide bar 2 and is connected to the movable end of the electric telescopic rod 3, and circular through holes 2 and 3 are arranged on it. The dust removal mechanism includes an electric telescopic rod 4, a dust removal cylinder, and an industrial vacuum cleaner; the electric telescopic rod 4 is arranged inside the circular through hole 2 of the movable carrier plate 4; the dust removal cylinder is arranged on the movable end of the electric telescopic rod 4; an elastic annular sealing ring is arranged inside the dust removal cylinder; the suction head of the industrial vacuum cleaner is arranged on the bottom plate of the dust removal cylinder. The movable cover mechanism includes an electric telescopic rod 5 and a movable cover; the electric telescopic rod 5 is arranged on the movable carrier plate 4; the movable cover is arranged on the movable end of the electric telescopic rod 5.

[0017] Furthermore, the control system includes a control mechanism, a feedback mechanism, and a PLC controller. The control mechanism includes a start switch, a fixed switch, a positioning switch, a feeding switch, and a pause switch. The feedback mechanism includes several distance sensor modules.

[0018] Furthermore, increase the number of layers of the arc-shaped limiting block.

[0019] Advantages compared with the prior art:

[0020] In the present utility model, through the overall settings of the main frame, the feeding part, the upper shaft part, the dust-proof part, the dust removal part, and the control system, the following functions are achieved:

[0021] Firstly, the mechanical supply of bearings is realized, greatly reducing the labor intensity, and the supply efficiency is stable and controllable.

[0022] Second, the staff do not need to be in long-term contact with the bearing, and the potential safety hazards are significantly reduced.

[0023] Third, the mechanical adjustment roller shaft column, the feeding environment is enclosed, the cleanliness of the bearing is significantly improved, and the quality of the roller shaft is synchronously improved. Description of the Drawings

[0024] Figure 1 It is a schematic top view structure diagram of the present utility model;

[0025] Figure 2 It is a schematic partial cross-sectional top view structure of the present utility model Figure 1 ;

[0026] Figure 3 It is a schematic partial cross-sectional top view structure of the present utility model Figure 2 ;

[0027] Figure 4 It is a schematic partial cross-sectional front view structure of the present utility model;

[0028] Figure 5 It is a schematic diagram of an enlarged partial cross-sectional front view structure of the present utility model;

[0029] Figure 6 It is a schematic system structure diagram of the present utility model.

[0030] In the figure: 101. Base, 102. Working seat, 103. Connecting carrier plate, 104. "U"-shaped dust-proof trough pipe, 201. Servo motor, 202. Rack, 203. Pusher motor 1, 204. Movable loading box, 205. Movable limiting plate, 206. Dust-proof plate, 301. Pusher motor 2, 302. Arc-shaped positioning plate, 303. Dust-proof shutter, 401. Lead screw stepping motor 1, 402. Electric telescopic rod 1, 403. Claw motor, 404. Conveyor belt, 405. Arc-shaped limiting block, 406. Lead screw stepping motor 2, 407. Electric telescopic rod 2, 408. Electromagnet 2, 501. Electric telescopic rod 3, 502. Electric telescopic rod 4, 503. Dust removal cylinder, 504. Electric telescopic rod 5, 505. Movable cover. Detailed Implementation Manner

[0031] Example 1, referring to the attached Figures 1-6 , a bearing supply system suitable for roller shaft processing, including a feeding device and a control system.

[0032] The feeding device includes a main body frame, a feeding part, an upper shaft part, a dust-proof part and a dust-removal part.

[0033] The main body frame includes a base 101, a working seat 102, a connecting carrier plate 103 and a "U"-shaped dust-proof trough pipe 104.

[0034] The base 101 includes a cuboid hollow container one.

[0035] The working base 102 is slightly longer than the base 101.

[0036] The working base 102 includes a cuboid hollow container two.

[0037] The working base 102 is arranged on the base 101 through struts and a connecting carrier plate 103.

[0038] A rectangular through-hole one is arranged on the left side plate of the cuboid hollow container two.

[0039] A "U"-shaped opening through-slot one and a rectangular through-hole two are arranged on the lower bottom plate of the cuboid hollow container two.

[0040] A strip-shaped through-hole one is arranged on the upper bottom plate of the cuboid hollow container two.

[0041] The "U"-shaped dust-proof trough pipe 104 is arranged on the lower bottom plate of the working base 102 through struts.

[0042] A flexible protective soft pad is arranged on the "U"-shaped dust-proof trough pipe 104.

[0043] The feeding part includes a conveying mechanism, a fixing mechanism and a movable cover plate mechanism.

[0044] The conveying mechanism includes a servo motor 201, a rack 202, a gear and a movable carrier plate one.

[0045] The rack 202 and the slide rail are arranged on the base 101 and are located below the rectangular through-hole two.

[0046] The movable carrier plate one is slidably connected to the slide rail; a rectangular through-hole four is arranged on the movable carrier plate one.

[0047] The servo motor 201 is arranged on the movable carrier plate one.

[0048] The gear is arranged on the rotating shaft of the servo motor 201 through a reduction gearbox.

[0049] The rack 202 and the gear are meshed with each other.

[0050] The fixing mechanism includes a push rod motor one 203, a movable object-carrying box 204 and a movable limiting plate 205.

[0051] The movable object-carrying box 204 is arranged on the movable carrier plate one.

[0052] The movable object-carrying box 204 includes a cuboid hollow container three.

[0053] A rectangular through-hole five is arranged on the upper bottom plate of the cuboid hollow container three; the rectangular through-holes five are distributed in a matrix.

[0054] The first push rod motor 203 is arranged inside the movable loading box 204.

[0055] The movable limit plate 205 is arranged on the movable end of the first push rod motor 203 through an elastic telescopic rod; and the movable limit plate 205 is slidably connected inside the rectangular through hole five.

[0056] The movable limit plate 205 is provided with anti-slip strips.

[0057] The movable cover mechanism includes a dust-proof plate 206 and a dust-proof curtain.

[0058] The dust-proof plate 206 is pin-connected to the side plate of the working seat 102.

[0059] The dust-proof curtain is pin-connected to the dust-proof plate 206.

[0060] The dust-proof part includes a second push rod motor 301, an arc-shaped positioning plate 302 and a dust-proof shutter 303.

[0061] The second push rod motor 301 is symmetrically arranged on the lower bottom plate of the working seat 102.

[0062] The arc-shaped positioning plate 302 is arranged on the movable end of the second push rod motor 301 through a connecting block and an elastic telescopic rod.

[0063] The front arc-shaped positioning plate 302 is slightly higher than the rear arc-shaped positioning plate 302, that is, the front arc-shaped positioning plate 302 is located above the rear arc-shaped positioning plate 302, so that the two can be adapted to each other.

[0064] The dust-proof shutter 303 is arranged on the arc-shaped positioning plate 302 through a connecting column.

[0065] The front dust-proof shutter 303 is slightly to the right of the rear dust-proof shutter 303, that is, the front dust-proof shutter 303 is located on the right side of the rear dust-proof shutter 303, so that the two can be adapted to each other.

[0066] The upper shaft part includes a grasping structure, a transfer mechanism and an upper shaft mechanism.

[0067] The grasping structure includes a first screw rod stepping motor 401, a second movable carrier plate, a first electric telescopic rod 402, and a jaw motor 403.

[0068] The first screw rod stepping motor 401 and the slide rod are arranged inside the working seat 102.

[0069] The second movable carrier plate is slidably connected to the slide rod and is connected to the nut seat of the first screw rod stepping motor 401.

[0070] The first electric telescopic rod 402 is arranged on the second movable carrier plate.

[0071] The jaw motor 403 is arranged on the movable end of the electric telescopic rod 402.

[0072] Anti-slip strips and an electromagnet 1 are arranged on the jaws of the jaw motor 403.

[0073] The jaw motor 403 is a four-jaw motor, which is used to adapt to the gap between the roller rings.

[0074] The transfer mechanism includes a conveyor belt 404, a push rod motor 3 and an arc-shaped limit block 405.

[0075] The push rod motor 3 and the conveyor belt 404 are arranged in the "U"-shaped dust-proof groove tube 104 of the working seat 102.

[0076] The arc-shaped limit block 405 is arranged on the movable end of the push rod motor 3; the arc-shaped limit block 405 is located above the conveyor belt 404.

[0077] The upper shaft mechanism includes a lead screw stepping motor 2 406, a movable carrier plate 3, an electric telescopic rod 2 407 and an electromagnet 2 408.

[0078] The lead screw stepping motor 2 406 and the slide bar 2 are arranged on the inner wall of the upper bottom plate of the working seat 102.

[0079] The movable carrier plate 3 is slidably connected to the slide bar 2; and is connected to the nut seat of the lead screw stepping motor 2 406.

[0080] The electric telescopic rod 2 407 is arranged on the lower bottom surface of the movable carrier plate 3.

[0081] The electromagnet 2 408 is arranged on the movable end of the electric telescopic rod 2 407.

[0082] The dust removal part includes a position adjustment mechanism, a dust removal mechanism and a movable cover mechanism.

[0083] The position adjustment mechanism includes an electric telescopic rod 3 501 and a movable carrier plate 4.

[0084] The electric telescopic rod 3 501 and the slide bar 2 are arranged on the upper bottom plate of the transport seat.

[0085] The movable carrier plate 4 is slidably connected to the slide bar 2; the movable carrier plate 4 is connected to the movable end of the electric telescopic rod 3 501.

[0086] Round through holes 2 and 3 are arranged on the movable carrier plate 4.

[0087] The dust removal mechanism includes an electric telescopic rod 4 502, a dust removal cylinder 503 and an industrial vacuum cleaner.

[0088] The electric telescopic rod 4 502 is arranged in the round through hole 2 of the movable carrier plate 4.

[0089] The dust removal cylinder 503 is arranged on the movable end of the electric telescopic rod four 502.

[0090] The dust removal cylinder 503 includes a cylindrical container.

[0091] Air inlet holes are arranged on the barrel body of the cylindrical container.

[0092] An elastic annular sealing ring is arranged inside the dust removal cylinder 503.

[0093] The industrial vacuum cleaner is arranged on the base 101; the suction head of the industrial vacuum cleaner is arranged on the bottom plate of the dust removal cylinder 503.

[0094] The movable cover mechanism includes an electric telescopic rod five 504 and a movable cover 505.

[0095] The electric telescopic rod five 504 is arranged on the movable carrier plate four.

[0096] The movable cover is arranged on the movable end of the electric telescopic rod five 504.

[0097] The control system includes a control mechanism, a feedback mechanism and a PLC controller.

[0098] The control mechanism includes a start switch, a fixed switch, a positioning switch, a loading switch and a pause switch.

[0099] The start switch, the fixed switch, the positioning switch, the loading switch and the pause switch are arranged on the side plate of the workbench 102.

[0100] The feedback mechanism includes a distance sensor module one, a distance sensor module two, a distance sensor module three and a distance sensor module four.

[0101] The distance sensor module one is arranged on the inner wall of the upper bottom plate of the workbench 102 and is used to assist the PLC controller to detect the position of the box containing the bearing.

[0102] The distance sensor module two is arranged on the jaw motor 403 and is used to assist the PLC controller to detect the position of the bearing.

[0103] The distance sensor module three is arranged on the arc-shaped limit block 405 and is used to assist the PLC controller to detect the position of the bearing.

[0104] The distance sensor module four is arranged on the electric telescopic rod two 407 and is used to assist the PLC controller to detect the position of the roller shaft housing.

[0105] The lead screw stepping motor includes a servo motor, a ball screw pair and a nut seat; the servo motor is in screw drive with the ball screw pair. The ball screw pair includes a combination of a ball screw, a ball nut, a rotary steel ball and a circulating part. The nut seat is connected to the ball nut of the ball screw pair.

[0106] Working principle and usage method:

[0107] Preset:

[0108] Install this system on one side of the equipment related to the roller installation, so that the strip through-hole is located above the installation slot of the equipment related to the roller installation.

[0109] Install the roller housing (cylinder body) and the roller column into the installation slot.

[0110] Press the positioning switch, and the PLC controller outputs signals to the push rod motor two 301, the electric telescopic rod four 502, the industrial vacuum cleaner, and the electric telescopic rod three 501.

[0111] The push rod motor two 301 drives the arc-shaped positioning plates 302 to approach each other to fix the roller housing. The electric telescopic rod four 502 drives the dust removal cylinder 503 to move down to fix the roller housing, and the industrial vacuum cleaner and the solenoid valve are started to complete the dust removal inside the roller housing. After that, the movable end of the electric telescopic rod four 502 resets, and the electric telescopic rod three 501 drives the movable carrier plate four to move so that the movable cover 505 is located above the roller housing.

[0112] Place the box containing the bearings on the movable loading box 204; press the fixing switch, and the PLC controller outputs a signal to the push rod motor one 203. The push rod motor one 203 drives the movable limit plates 205 to approach each other to complete the fixing of the box by the movable limit plates 205.

[0113] Usage:

[0114] Press the feeding switch, and the PLC controller outputs a signal to the servo motor 201. The servo motor 201 starts and drives the movable loading box 204 to run below the distance sensor module one; the distance sensor module one outputs a signal to the PLC controller, and the PLC controller outputs a signal to the lead screw stepping motor one 401.

[0115] The lead screw stepping motor one 401 drives the movable carrier plate two to run above the bearing; the distance sensor module two outputs a signal to the PLC controller, and the PLC controller outputs signals to the electric telescopic rod one 402, the gripper motor 403, and the electromagnet one.

[0116] The electric telescopic rod one 402 drives the gripper motor 403 to move down. The gripper motor 403 starts to complete the grasping of the bearing, and the electromagnet one starts. After that, the lead screw stepping motor one 401 starts to transport the bearing to the conveyor belt 404. The conveyor belt 404 starts with a delay and runs the bearing to one side of the arc-shaped limit block 405; the distance sensor module three outputs a signal to the PLC controller, and the PLC controller outputs signals to the push rod motor three, the lead screw stepping motor two 406, the electric telescopic rod two 407, and the electromagnet two 408.

[0117] The push rod motor retracts three times, and the lead screw stepping motor two 406 drives the movable carrier plate three to move above the bearing. The electric telescopic rod two 407 and the electromagnet two 408 are activated to complete the grasping of the bearing. The lead screw stepping motor two 406 runs the movable carrier plate three above the roller housing. The distance sensor module four outputs a signal to the PLC controller, and the electric telescopic rod two 407 and the electromagnet two 408 cooperate to place the bearing into the roller housing.

[0118] The PLC controller delays the output signal to the electric telescopic rod five 504. The electric telescopic rod five 504 drives the movable cover 505 to retract, facilitating the use of equipment related to the installation of the roller shaft, that is, pressing the roller shaft column, the bearing, and the roller housing.

[0119] Embodiment 2, on the basis of Embodiment 1, the number of layers of the arc-shaped limiting block 405 is increased to improve stability.

Claims

1. A bearing supply system applicable to roller shaft processing, comprising a feeding device and a control system, characterized in that: The feeding device includes a main body frame, a feeding part, an upper shaft part, a dust-proof part and a dust-removing part; the main body frame includes a base (101), a working seat (102), a connecting carrier plate (103) and a "U"-shaped dust-proof trough pipe (104); the feeding part includes a conveying mechanism, a fixing mechanism and a movable cover plate mechanism; the upper shaft part includes a grasping structure, a transfer mechanism and an upper shaft mechanism; the grasping structure includes a lead screw stepping motor 1 (401), a movable carrier plate 2, an electric telescopic rod 1 (402) and a jaw motor (403); the lead screw stepping motor 1 (401) and the slide bar are arranged in the working seat (102); the movable carrier plate 2 is slidably connected to the slide bar and is connected to the nut seat of the lead screw stepping motor 1 (401); the electric telescopic rod 1 (402) is arranged on the movable carrier plate 2; the jaw motor (403) is arranged on the movable end of the electric telescopic rod 1 (402), and anti-slip strips and an electromagnet 1 are arranged on its jaws; the dust-proof part includes a push rod motor 2 (301), an arc-shaped positioning plate (302) and a dust-proof shutter (303); the dust-removing part includes a position adjustment mechanism, a dust-removing mechanism and a movable cover mechanism.

2. The bearing supply system applicable to roller shaft processing according to claim 1, wherein: The transfer mechanism includes a conveyor belt (404), a push rod motor 3 and an arc-shaped limit block (405); the push rod motor 3 and the conveyor belt (404) are arranged in the "U"-shaped dust-proof trough pipe (104) of the working seat (102); the arc-shaped limit block (405) is arranged on the movable end of the push rod motor 3 and is located above the conveyor belt (404).

3. The bearing supply system applicable to roller shaft processing according to claim 1, characterized in that: The upper shaft mechanism includes a lead screw stepping motor 2 (406), a movable carrier plate 3, an electric telescopic rod 2 (407) and an electromagnet 2 (408); the lead screw stepping motor 2 (406) and the slide bar 2 are arranged on the inner wall of the upper bottom plate of the working seat (102); the movable carrier plate 3 is slidably connected to the slide bar 2 and is connected to the nut seat of the lead screw stepping motor 2 (406); the electric telescopic rod 2 (407) is arranged on the lower bottom surface of the movable carrier plate 3; the electromagnet 2 (408) is arranged on the movable end of the electric telescopic rod 2 (407).

4. The bearing supply system applicable to roller shaft processing according to claim 1, wherein: The conveying mechanism includes a servo motor (201), a rack (202), a gear and a movable carrier plate 1; the rack (202) and the slide rail are arranged on the base (101) and are located below the rectangular through hole 2; the movable carrier plate 1 is slidably connected to the slide rail; the servo motor (201) is arranged on the movable carrier plate 1; the gear is arranged on the rotating shaft of the servo motor (201) through a reduction gearbox; the rack (202) and the gear are meshed with each other.

5. The bearing supply system applicable to roller shaft processing according to claim 1, wherein: The fixing mechanism includes a push rod motor 1 (203), a movable loading box (204) and a movable limiting plate (205); the movable loading box (204) is arranged on the movable carrier plate 1, and a rectangular through hole 5 is arranged on its upper bottom plate; the rectangular through holes 5 are distributed in a matrix; the push rod motor 1 (203) is arranged in the movable loading box (204); the movable limiting plate (205) is arranged on the movable end of the push rod motor 1 (203) through an elastic telescopic rod and is slidably connected in the rectangular through hole 5; anti-slip strips are arranged on the movable limiting plate (205).

6. The bearing supply system applicable to roller shaft machining according to claim 1, wherein: The movable cover plate mechanism includes a dust-proof plate (206) and a dust-proof curtain; the dust-proof plate (206) is pin-connected to the side plate of the working seat (102); the dust-proof curtain is pin-connected to the dust-proof plate (206).

7. The bearing supply system applicable to roller shaft processing according to claim 1, wherein: The second push rod motor (301) is arranged on the lower bottom plate of the working seat (102); the arc-shaped positioning plate (302) is arranged on the movable end of the second push rod motor (301) through a connecting block and an elastic telescopic rod; the dust-proof shutter (303) is arranged on the arc-shaped positioning plate (302) through a connecting column.

8. The bearing supply system applicable to roller shaft processing according to claim 1, characterized in that: The position adjustment mechanism includes a third electric telescopic rod (501) and a fourth movable carrier plate; the third electric telescopic rod (501) and the second slide rod are arranged on the upper bottom plate of the transport seat; the fourth movable carrier plate is slidably connected to the second slide rod and is connected to the movable end of the third electric telescopic rod (501); circular through holes two and three are arranged on the fourth movable carrier plate.

9. The bearing supply system applicable to roller shaft processing according to claim 1, wherein: The dust removal mechanism includes a fourth electric telescopic rod (502), a dust removal cylinder (503) and an industrial vacuum cleaner; the fourth electric telescopic rod (502) is arranged in the circular through hole two of the fourth movable carrier plate; the dust removal cylinder (503) is arranged on the movable end of the fourth electric telescopic rod (502); an annular sealing ring is arranged in the dust removal cylinder (503); the suction head of the industrial vacuum cleaner is arranged on the bottom plate of the dust removal cylinder (503).

10. The bearing supply system applicable to roller shaft machining according to claim 1, wherein: The movable cover mechanism includes a fifth electric telescopic rod (504) and a movable cover (505); the fifth electric telescopic rod (504) is arranged on the fourth movable carrier plate; the movable cover is arranged on the movable end of the fifth electric telescopic rod (504).

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