A grinding machine for automobile shaft processing

Abstract

The invention discloses a grinder for processing automobile shafts, and relates to the field of grinders characterized by grinding the circumferential rotating surface of automobile bearings, comprising a base platform, a movable telescopic groove is provided at the bottom of the front end of the base platform, a first driving movable cylinder is fixedly installed at the bottom inner side of the base platform, a first cylinder output rod is fixedly connected to the front end of the first driving movable cylinder, a longitudinal slide groove is provided at the front end of the first cylinder output rod, and a lifting pull rod is slidably connected to the inner side of the longitudinal slide groove; a motor bracket is slidably connected to the front end of the base platform; a movable slide groove is provided on the inner side of the motor bracket, a sliding rotation groove is provided at the bottom end of the motor bracket, and a rotating central axis is provided on the inner side of the sliding rotation groove; at the same time, when the invention is in use, by adopting an external motor bracket, the driving motor can be quickly installed and disassembled, and the quick disassembly and assembly can ensure the use effect and avoid damage caused by untimely maintenance when the motor has problems, compared with the method in the prior art.

Description

Technical Field

[0001] The invention relates to the field of grinding machines characterized by grinding the circumferential rotating surface of automobile bearings, in particular to a grinding machine for processing automobile rotating shafts. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the mechanical load friction coefficient of the equipment during transmission, and ensure its rotation accuracy. The existing grinding devices for automobile bearing processing have low automation and low grinding efficiency. After grinding, they are usually taken out manually, which is labor-intensive, reduces work efficiency, and poses certain safety hazards.

[0003] The prior art discloses a batch grinding device for automobile bearings (IPC classification number B24B5 / 08) with application number CN202210012026.2. A turntable having an annular portion and a cylindrical portion is sleeved on a shaft cylinder so that the cylindrical portion can slide on the shaft cylinder. When the shaft cylinder continues to move downward relative to the rotating shaft, the grinding block can abut against the inner groove of the outer ring of the bearing, thereby grinding the inner groove.

[0004] However, the prior art still has certain defects. For example, the prior technical solution lacks corresponding auxiliary mechanisms for the disassembly and assembly mechanisms during use, which is not conducive to timely disassembly, assembly and replacement. Additional losses may occur due to untimely disassembly and assembly maintenance. At the same time, there is a lack of adjustment for the grinding plate, and a certain degree of flexibility is lacking in working with automobile shafts of different sizes. Summary of the invention

[0005] In order to solve the deficiencies mentioned in the above background technology, the object of the present invention is to provide a grinding machine for processing automobile shafts.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A grinding machine for automobile shaft processing comprises a base platform, a movable telescopic slot is provided at the bottom of the front end of the base platform, a first driving movable cylinder is fixedly installed at the bottom of the inner side of the base platform, a first cylinder output rod is fixedly connected to the front end of the first driving movable cylinder, a longitudinal slide slot is provided at the front end of the first cylinder output rod, and a lifting rod is slidably connected to the inner side of the longitudinal slide slot;

[0008] The front end of the base platform is slidably connected to a motor bracket;

[0009] A movable slide groove is provided on the inner side of the motor bracket, a sliding rotation groove is provided on the bottom end of the motor bracket, and a rotating central axis is provided on the inner side of the sliding rotation groove;

[0010] A driving servo motor is installed at the top of the rear end of the motor bracket, and a transmission bracket is installed at the output end of the driving servo motor;

[0011] The front end of the transmission bracket is rotatably connected to a movable ring, the inner side of the movable ring is fixedly connected to a transmission movable bracket, and the transmission movable bracket penetrates the movable ring and is fixedly connected to an output rotating wheel;

[0012] An output bracket is fixedly installed on the top of the transmission bracket, a rotating bracket is installed on the front end of the output bracket, a plurality of grinding blocks are fixedly installed on the front end of the rotating bracket, a residual material collecting cabin is arranged at the bottom end of the rotating bracket, the residual material collecting cabin is fixedly connected to the top of the base platform, and a discharge driving motor is fixedly connected to the bottom of the rear end of the residual material collecting cabin.

[0013] Furthermore, a second driving movable cylinder is fixedly connected to the top inner side of the base platform, a second cylinder output rod is fixedly connected to the front end of the second driving movable cylinder, a flip shaft is fixedly connected to the bottom front end of the second cylinder output rod, the second cylinder output rod is rotatably connected to a movable push rod via the flip shaft, a movable push rod is fixedly connected to the front end of the movable push rod, and sliding movable rods are fixedly connected to both left and right ends of the movable push rod bracket.

[0014] Furthermore, a motor support plate is fixedly connected to the top of the rear end of the motor bracket, a positioning connecting rod is fixedly connected to the rear end of the motor support plate, a positioning auxiliary rod is arranged inside the positioning connecting rod, and both the positioning connecting rod and the positioning auxiliary rod are fixedly connected to the rear end of the motor support plate.

[0015] Furthermore, the driving servo motor is installed at the rear end of the motor support plate, the front end of the driving servo motor is fixedly connected to the rear support frame at the position corresponding to the positioning auxiliary rod, the front end of the driving servo motor is provided with a motor auxiliary groove at the position corresponding to the positioning connecting rod, the rear end of the driving servo motor is fixedly connected to the motor output rod, the driving servo motor is fixedly installed with the positioning auxiliary rod through the rear support frame, and the driving servo motor is installed with the positioning connecting rod through the motor auxiliary groove for auxiliary fixation.

[0016] Furthermore, the outer side of the output rotating wheel is gear-connected with a transmission connecting belt, the inner side of the transmission connecting belt is gear-connected with a driven output wheel, and the output rotating wheel and the driven output wheel are driven by the transmission connecting belt.

[0017] Furthermore, a protective shell is fixedly installed on the outer side of the output bracket, a transfer support frame is fixedly connected to the bottom end of the output bracket, an output center rod is rotatably connected to the rear end of the output bracket, and the output center rod is fixedly connected to the driven output wheel.

[0018] Furthermore, a rotation positioning shaft is fixedly connected to the front end of the rotation bracket corresponding to the position of the output center rod, and a plurality of grinding connection brackets are fixedly connected to the rear end of the rotation bracket.

[0019] Furthermore, the grinding block is fixedly connected to the front end of the rotating bracket through a grinding connecting bracket, a plurality of grinding plates are distributed in an array on the outer side of the grinding block, each grinding plate is fixedly connected to a grinding outer plate on the outer side, a bracket accommodating groove is provided on the outer side of the grinding block corresponding to the inner side of the grinding plate, the bottom end of the grinding plate is fixedly connected to a grinding plate bracket, the bottom end of the grinding plate bracket is rotatably connected to a bracket moving rod, the bottom end of the bracket moving rod is rotatably connected to a moving base, the moving base is moved by a separate motor drive, the bottom end of the grinding plate bracket is also rotatably connected to a bracket rotating rod, the bottom end of the bracket rotating rod is rotatably connected to a fixed flip bracket, and the bottom end of the fixed flip bracket is fixedly connected to the corresponding bracket accommodating groove bottom end side wall.

[0020] Furthermore, an inner bearing groove is provided inside the residual material collection cabin, an auxiliary side plate is fixedly connected to the top of the residual material collection cabin, a discharge guide plate is fixedly connected to the front end of the residual material collection cabin, and a discharge groove is provided at the bottom end of the discharge guide plate.

[0021] Furthermore, the front end of the discharging drive motor is fixedly connected to a discharging motor rotating rod, the front section of the discharging motor rotating rod is fixedly connected to a discharging fan central axis, the outer side of the discharging fan central axis is fixedly connected to discharging fan blades, a discharging air duct is arranged on the outer side of the discharging fan blades, and the discharging air duct passes through the rear end side wall of the residual material collection cabin and is connected to the discharging trough.

[0022] Beneficial effects of the present invention:

[0023] 1. The present invention adopts an external motor bracket to quickly install and disassemble the drive motor. Compared with the method in the prior art, it can quickly disassemble and replace the motor when a problem occurs, while ensuring the use effect and avoiding damage caused by untimely maintenance.

[0024] 2. When the present invention is in use, the grinding state can be adjusted by driving the grinding plate and the grinding outer plate to move outward through the mechanism inside the grinding block. It can adapt to the grinding processing of rotating shafts of various models and sizes, and has higher flexibility than the methods in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 is a schematic diagram of a base platform of the present invention;

[0028] Figure 3 is a schematic diagram of the motor bracket of the present invention;

[0029] Figure 4 It is a schematic diagram of the driving servo motor of the present invention;

[0030] Figure 5 is a schematic diagram of the transmission bracket of the present invention;

[0031] Figure 6 is a schematic diagram of the rotating bracket of the present invention;

[0032] Figure 7 is a schematic diagram of a grinding block of the present invention;

[0033] Figure 8 is a schematic diagram of the bracket receiving slot of the present invention;

[0034] Fig. 9 This is a schematic diagram of the residual material collection cabin of the present invention;

[0035] Fig.10 yes Figure 4 A is an enlarged schematic diagram.

[0036] In the figure: 1, base table; 11, mobile telescopic slot; 12, first drive mobile cylinder; 13, first cylinder output rod; 14, longitudinal slide; 15, lifting rod; 16, second drive mobile cylinder; 17, second cylinder output rod; 18, flip axis; 19, movable push rod; 110, mobile rod bracket; 111, sliding mobile rod; 2, motor bracket; 21, mobile slide; 22, sliding rotation slot; 23, rotating central axis; 24, motor support plate; 25, positioning connecting rod; 26, positioning auxiliary rod; 3, driving servo motor; 31, rear support frame; 32, motor auxiliary slot; 33, motor output rod; 4, transmission bracket; 41, movable ring; 42, transmission movable bracket; 43, output rotation Wheel; 44, transmission connecting belt; 45, driven output wheel; 5, output bracket; 51, protective shell; 52, transfer support frame; 53, output center rod; 6, rotating bracket; 61, rotating positioning shaft; 62, grinding connecting bracket; 7, grinding block; 70, bracket accommodating groove; 71, grinding plate; 72, grinding outer plate; 73, grinding plate bracket; 74, bracket moving rod; 75, moving base; 76, bracket rotating rod; 77, fixed flip bracket; 8, residual material collection cabin; 81, inner bearing groove; 82, auxiliary side plate; 83, discharge guide plate; 84, discharge trough; 9, discharge drive motor; 91, discharge motor rotating rod; 92, discharge fan center axis; 93, discharge fan blade; 94, discharge air duct. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] A grinding machine for automobile shaft processing is characterized by grinding the circumferential rotating surface of automobile bearings, and its IPC classification number is B24B5 / 08.

[0039] like Figure 1 As shown, it includes a base platform 1, a motor bracket 2 is slidably connected to the front end of the base platform 1, a driving servo motor 3 is installed on the top of the rear end of the motor bracket 2, a transmission bracket 4 is installed at the output end of the driving servo motor 3, an output bracket 5 is fixedly installed on the top of the transmission bracket 4, a rotating bracket 6 is installed at the front end of the output bracket 5, a plurality of grinding blocks 7 are fixedly installed at the front end of the rotating bracket 6, a residual material collecting cabin 8 is arranged at the bottom end of the rotating bracket 6, the residual material collecting cabin 8 is fixedly connected to the top of the base platform 1, and a discharge driving motor 9 is fixedly connected to the bottom of the rear end of the residual material collecting cabin 8.

[0040] The motor bracket 2 at the front end of the base platform 1 assists in installing and fixing the driving servo motor 3 to prevent the driving servo motor 3 from falling off during operation.

[0041] like Figure 2 As shown, a movable telescopic slot 11 is provided at the bottom of the front end of the base platform 1, a first driving movable cylinder 12 is fixedly installed at the bottom inner end of the base platform 1, a first cylinder output rod 13 is fixedly connected to the front end of the first driving movable cylinder 12, a longitudinal slide slot 14 is provided at the front end of the first cylinder output rod 13, and a lifting rod 15 is slidably connected to the inner side of the longitudinal slide slot 14;

[0042] A second driving movable cylinder 16 is fixedly connected to the top inner side of the base platform 1, a second cylinder output rod 17 is fixedly connected to the front end of the second driving movable cylinder 16, a flip shaft 18 is fixedly connected to the bottom front end of the second cylinder output rod 17, the second cylinder output rod 17 is rotatably connected to a movable push rod 19 via the flip shaft 18, a movable push rod 19 is fixedly connected to the front end of the movable push rod 19, and a sliding movable rod 111 is fixedly connected to both left and right ends of the movable push rod bracket 110.

[0043] The first cylinder output rod 13 is driven by the first driving movable cylinder 12 at the bottom of the base platform 1, so that the first cylinder output rod 13 drives the lifting rod 15 connected to the inner side of the lifting rod 15, so that the lifting rod 15 is driven, and the pulled lifting rod 15 drives the motor bracket 2 to move, and the second driving movable cylinder 16 pushes the second cylinder output rod 17, so that the flip shaft 18 drives the movable push rod 19, and the moving rod bracket 110 is driven by the sliding moving rod 111 to push the motor bracket 2 to move.

[0044] like Figure 3As shown, a movable slide groove 21 is opened on the inner side of the motor bracket 2, a sliding groove 22 is opened on the bottom end of the motor bracket 2, a rotating central axis 23 is opened on the inner side of the sliding groove 22, a motor support plate 24 is fixedly connected to the top of the rear end of the motor bracket 2, a positioning connecting rod 25 is fixedly connected to the rear end of the motor support plate 24, a positioning auxiliary rod 26 is arranged on the inner side of the positioning connecting rod 25, and both the positioning connecting rod 25 and the positioning auxiliary rod 26 are fixedly connected to the rear end of the motor support plate 24.

[0045] The lifting rod 15 is driven and pulled, so that the rotating central axis 23 inside the sliding groove 22 is pulled, and the moving rod bracket 110 and the sliding moving rod 111 at the front end of the movable push rod 19 slide inside the moving groove 21 to guide the movement of the motor bracket 2.

[0046] like Figure 4 As shown, the driving servo motor 3 is installed at the rear end of the motor support plate 24, the front end of the driving servo motor 3 is fixedly connected to the position of the positioning auxiliary rod 26 with a rear support frame 31, the front end of the driving servo motor 3 is provided with a motor auxiliary groove 32 at the position of the positioning connecting rod 25, and the rear end of the driving servo motor 3 is fixedly connected to the motor output rod 33. The driving servo motor 3 is fixedly installed with the positioning auxiliary rod 26 through the rear support frame 31, and the driving servo motor 3 is installed with the positioning connecting rod 25 through the motor auxiliary groove 32 for auxiliary fixation.

[0047] The driving servo motor 3 is supported by the motor support plate 24 at the front end of the motor bracket 2, fixed by the positioning connecting rod 25 in conjunction with the motor auxiliary groove 32, and fixed by the rear support frame 31 and the positioning auxiliary rod 26.

[0048] like Figure 5 As shown, the front end of the transmission bracket 4 is rotatably connected to a movable ring 41, the inner side of the movable ring 41 is fixedly connected to a transmission movable bracket 42, the transmission movable bracket 42 passes through the movable ring 41 and is fixedly connected to an output rotating wheel 43, the outer side of the output rotating wheel 43 is toothed with a transmission connecting belt 44, the inner side of the transmission connecting belt 44 is toothed with a driven output wheel 45, and the output rotating wheel 43 and the driven output wheel 45 are transmitted through the transmission connecting belt 44.

[0049] The servo motor 3 is driven to output and drive the transmission movable bracket 42 , so that the transmission movable bracket 42 rotates and drives the output rotating wheel 43 , so that the transmission connecting belt 44 drives the driven output wheel 45 to rotate.

[0050] A protective shell 51 is fixedly installed on the outer side of the output bracket 5 , a transfer support frame 52 is fixedly connected to the bottom end of the output bracket 5 , an output center rod 53 is rotatably connected to the rear end of the output bracket 5 , and the output center rod 53 is fixedly connected to the driven output wheel 45 .

[0051] The protection shell 51 outside the output bracket 5 protects the transmission bracket 4 and the output bracket 5 at the front end of the driving servo motor 3, preventing waste chips and other waste materials in the grinding process from affecting the transmission mechanism, thereby ensuring the service life.

[0052] like Figure 6 As shown, a rotation positioning shaft 61 is fixedly connected to the front end of the rotating bracket 6 corresponding to the position of the output center rod 53, and a plurality of grinding connection brackets 62 are fixedly connected to the rear end of the rotating bracket 6.

[0053] The driven output wheel 45 is rotated to drive the rotating bracket 6 to rotate, so that the rotating positioning shaft 61 assists in installing the position of the automobile shaft, and the grinding connecting bracket 62 drives the grinding block 7 to perform grinding processing.

[0054] like Figure 7 and 8 As shown, the grinding block 7 is fixedly connected to the front end of the rotating bracket 6 through the grinding connecting bracket 62, and a plurality of grinding plates 71 are distributed in an array on the outer side of the grinding block 7, and a grinding outer plate 72 is fixedly connected to the outer side of each grinding plate 71, and a bracket accommodating groove 70 is provided on the outer side of the grinding block 7 corresponding to the inner side of the grinding plate 71, and a grinding plate bracket 73 is fixedly connected to the bottom end of the grinding plate 71, and a bracket moving rod 74 is rotatably connected to the bottom end of the grinding plate bracket 73, and a moving base 75 is rotatably connected to the bottom end of the bracket moving rod 74, and the moving base 75 is moved by a separate motor drive, and the bottom end of the grinding plate bracket 73 is also rotatably connected to a bracket rotating rod 76, and the bottom end of the bracket rotating rod 76 is rotatably connected to a fixed flip bracket 77, and the bottom end of the fixed flip bracket 77 is fixedly connected to the corresponding bracket accommodating groove 70 bottom end side wall.

[0055] The movement of the movable base 75 drives the bracket moving rod 74 to move, and the bracket moving rod 74 moves to the top, so that the grinding plate bracket 73 drives the bracket moving rod 74 to move to the top, so that the position and angle during grinding can be adjusted, and the fixed flip bracket 77 follows the rotation of the bracket rotating rod 76 to assist in support.

[0056] like Fig. 9 As shown, an inner bearing groove 81 is opened inside the residual material collecting cabin 8, an auxiliary side plate 82 is fixedly connected to the top of the residual material collecting cabin 8, a discharge guide plate 83 is fixedly connected to the front end of the residual material collecting cabin 8, and a discharge groove 84 is opened at the bottom of the discharge guide plate 83.

[0057] The auxiliary side plate 82 at the top of the residual material collection chamber 8 is used to assist in the recovery of waste materials during grinding processing, so that the inner bearing groove 81 can carry and collect the waste materials. The waste materials will be retained at the bottom of the inner bearing groove 81 through the auxiliary side plate 82 and discharged through the discharge groove 84 at the bottom end of the discharge guide plate 83.

[0058] like Fig.10As shown, the front end of the discharging drive motor 9 is fixedly connected to a discharging motor rotating rod 91, the front section of the discharging motor rotating rod 91 is fixedly connected to a discharging fan center axis 92, the outer side of the discharging fan center axis 92 is fixedly connected to a discharging fan blade 93, and a discharging air duct 94 is arranged on the outer side of the discharging fan blade 93. The discharging air duct 94 passes through the rear end side wall of the residual material collection cabin 8 and is connected to the discharging trough 84.

[0059] The discharge fan shaft 92 is driven to rotate by the discharge drive motor 9, so that the discharge fan blades 93 on the outer side of the discharge fan shaft 92 are output to the inside of the discharge air duct 94, so that the residual waste at the bottom of the residual material collection chamber 8 is discharged through the discharge trough 84.

[0060] When in use, first place the automobile shaft to be polished in the position inside the groove at the front end of the rotating positioning shaft 61, and fix it from the outside. The driving servo motor 3 is fixedly installed at the front end of the motor support plate 24, the rear support frame 31 is installed through the positioning auxiliary rod 26, and the motor auxiliary groove 32 is used to cooperate with the positioning connecting rod 25 for installation, so as to achieve the stable installation of the driving servo motor 3. Then, the output rotating wheel 43 is driven by the motor output rod 33, so that the transmission connecting belt 44 drives the driven output wheel 45 to rotate, and then the driven output wheel 45 drives the output center rod 53, so that the output center rod 53 drives the rotating bracket 6 to rotate, and the polishing connecting bracket 62 at the front end of the rotating bracket 6 is also driven to rotate, so as to achieve the polishing of the internal automobile shaft.

[0061] When adjustment is required, the movable base 75 inside the bracket receiving groove 70 is moved, so that the bracket moving rod 74 cooperates with the bracket rotating rod 76 to push up the grinding plate bracket 73, so that the grinding plate 71 at the top of the grinding plate bracket 73 moves outward, so that the grinding outer plate 72 outside the grinding plate 71 can be polished. The waste materials in the processing process will be retained at the bottom of the inner bearing groove 81, and the discharge fan central shaft 92 is driven by the discharge drive motor 9 to drive the discharge fan blades 93, so that the waste materials can be discharged through the discharge guide plate 83 and the discharge trough 84.

[0062] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A grinding machine for automobile shaft processing, comprising a base table (1), characterized in that: The bottom of the front end of the base platform (1) is provided with a movable telescopic groove (11), the bottom of the inner side of the base platform (1) is fixedly installed with a first driving movable cylinder (12), the front end of the first driving movable cylinder (12) is fixedly connected with a first cylinder output rod (13), the front end of the first cylinder output rod (13) is provided with a longitudinal slide groove (14), and the inner side of the longitudinal slide groove (14) is slidably connected with a lifting rod (15); The front end of the base platform (1) is slidably connected to a motor bracket (2); A driving servo motor (3) is installed at the top of the rear end of the motor bracket (2); a transmission bracket (4) is installed at the output end of the driving servo motor (3); an output bracket (5) is fixedly installed at the top of the transmission bracket (4); a rotating bracket (6) is installed at the front end of the output bracket (5); a plurality of grinding blocks (7) are fixedly installed at the front end of the rotating bracket (6); a residual material collection cabin (8) is provided at the bottom end of the rotating bracket (6); the residual material collection cabin (8) is fixedly connected to the top of the base platform (1); and a discharge driving motor (9) is fixedly connected to the bottom of the rear end of the residual material collection cabin (8); The top inner side of the base platform (1) is fixedly connected to a second driving movable cylinder (16); the front end of the second driving movable cylinder (16) is fixedly connected to a second cylinder output rod (17); the bottom front end of the second cylinder output rod (17) is fixedly connected to a tilt shaft (18); the second cylinder output rod (17) is rotatably connected to a movable push rod (19) via the tilt shaft (18); the front end of the movable push rod (19) is fixedly connected to a movable rod bracket (110); and the left and right ends of the movable rod bracket (110) are fixedly connected to sliding movable rods (111); The motor support (2) has a movable slide groove (21) formed on the inner side, a sliding groove (22) formed on the bottom end of the motor support (2), a rotating central axis (23) formed on the inner side of the sliding groove (22), a motor support plate (24) fixedly connected to the top of the rear end of the motor support (2), a positioning connecting rod (25) fixedly connected to the rear end of the motor support plate (24), a positioning auxiliary rod (26) provided on the inner side of the positioning connecting rod (25), and both the positioning connecting rod (25) and the positioning auxiliary rod (26) are fixedly connected to the rear end of the motor support plate (24); The driving servo motor (3) is mounted on the rear end of the motor support plate (24); the front end of the driving servo motor (3) is fixedly connected to a rear support frame (31) at a position corresponding to the positioning auxiliary rod (26); the front end of the driving servo motor (3) is provided with a motor auxiliary groove (32) at a position corresponding to the positioning connecting rod (25); the rear end of the driving servo motor (3) is fixedly connected to a motor output rod (33); the driving servo motor (3) is fixedly mounted to the positioning auxiliary rod (26) via the rear support frame (31); and the driving servo motor (3) is mounted to the positioning connecting rod (25) via the motor auxiliary groove (32) for auxiliary fixing.

2. The grinding machine for automobile shaft processing according to claim 1, characterized in that: The front end of the transmission bracket (4) is rotatably connected to a movable ring (41), the inner side of the movable ring (41) is fixedly connected to a transmission movable bracket (42), the transmission movable bracket (42) penetrates the movable ring (41) and is fixedly connected to an output rotating wheel (43), the outer side of the output rotating wheel (43) is toothed with a transmission connecting belt (44), the inner side of the transmission connecting belt (44) is toothed with a driven output wheel (45), and the output rotating wheel (43) and the driven output wheel (45) are driven by the transmission connecting belt (44).

3. The grinding machine for automobile shaft processing according to claim 2, characterized in that: A protective shell (51) is fixedly mounted on the outside of the output bracket (5), a transfer support frame (52) is fixedly connected to the bottom end of the output bracket (5), an output center rod (53) is rotatably connected to the rear end of the output bracket (5), and the output center rod (53) is fixedly connected to the driven output wheel (45).

4. The grinding machine for automobile shaft processing according to claim 3, characterized in that: A rotation positioning shaft (61) is fixedly connected to the front end of the rotation bracket (6) at a position corresponding to the output center rod (53), and a plurality of grinding connection brackets (62) are fixedly connected to the rear end of the rotation bracket (6).

5. The grinding machine for automobile shaft processing according to claim 3, characterized in that: The grinding block (7) is fixedly connected to the front end of the rotating bracket (6) via a grinding connection bracket (62); a plurality of grinding plates (71) are arranged in an array on the outer side of the grinding block (7); each grinding plate (71) is fixedly connected to a grinding outer plate (72) on the outer side; a bracket accommodating groove (70) is provided on the inner side of the grinding plate (71) and the outer side of the corresponding grinding block (7); a grinding plate bracket (73) is fixedly connected to the bottom end of the grinding plate (71); a bracket moving rod (74) is rotatably connected to the bottom end of the grinding plate bracket (73); a moving base (75) is rotatably connected to the bottom end of the bracket moving rod (74); the moving base (75) is moved by a separate motor drive; the grinding plate bracket (73) is also rotatably connected to a bracket rotating rod (76); the bracket rotating rod (76) is rotatably connected to a fixed flip bracket (77); the fixed flip bracket (77) is fixedly connected to the bottom side wall of the corresponding bracket accommodating groove (70) at its bottom end.

6. The grinding machine for automobile shaft processing according to claim 1, characterized in that: An inner bearing groove (81) is provided on the inner side of the residual material collection chamber (8), an auxiliary side plate (82) is fixedly connected to the top of the residual material collection chamber (8), a discharge guide plate (83) is fixedly connected to the front end of the residual material collection chamber (8), and a discharge groove (84) is provided on the bottom end of the discharge guide plate (83).

7. The grinding machine for automobile shaft processing according to claim 6, characterized in that: The front end of the discharging drive motor (9) is fixedly connected to a discharging motor rotating rod (91), the front section of the discharging motor rotating rod (91) is fixedly connected to a discharging fan central axis (92), the outer side of the discharging fan central axis (92) is fixedly connected to a discharging fan blade (93), and a discharging air duct (94) is arranged on the outer side of the discharging fan blade (93), and the discharging air duct (94) passes through the rear end side wall of the residual material collection chamber (8) and is connected to the discharging trough (84).

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