Deburring device for upper surface and lower surface of wheel hub

Abstract

The invention relates to the field of hub grinding equipment, in particular to a wheel hub upper and lower surface deburring device which comprises a hub end face grinding machine, the hub end face grinding machine comprises a shell, a workbench is installed in the shell, a vertical frame is installed on the middle rear portion of the top end of the workbench, and a threaded rod is installed on the front side of the vertical frame. Symmetrical threaded sections are arranged on the upper side and the lower side of the middle of the threaded rod, a motor is installed at the end of the threaded rod, the upper portion and the lower portion of the periphery of the threaded rod are in threaded connection with fixing frames through the threaded sections, the fixing frames are slidably connected to the front portion of the vertical frame, and hydraulic rods are installed at the ends of the front sides of the fixing frames. According to the automobile hub grinding device, synchronous grinding of the upper end face and the lower end face of an automobile hub can be achieved through approaching of the upper fixing frame and the lower fixing frame, actual use is facilitated, and further adjustment of the position of a grinding component can be achieved through the hydraulic rods installed at the ends of the fixing frames.

Description

Technical Field

[0001] The invention relates to the field of wheel hub grinding equipment, and in particular to a device for deburring the upper and lower surfaces of a wheel hub. Background Art

[0002] The wheel hub is a cylindrical metal component whose inner contour supports the tire and is centrally mounted on an axle. It is mainly used to support the weight of the entire vehicle, including the body, passengers, cargo, etc., to ensure that the vehicle can stably bear the load during driving. During the manufacturing process, burrs often remain on the end surface of the wheel hub. The presence of burrs will cause stress concentration when the wheel hub is subjected to pressure or impact. In the process of grinding the burrs on the end surface of the wheel hub, due to the different actual sizes and models of the wheel hub, the processing requirements during grinding will also be different, resulting in the need to replace the grinding parts. At the same time, when encountering workpieces with a large amount of grinding, there will often be greater damage to the grinding components, which is not conducive to long-term use. Therefore, we propose a deburring device for the upper and lower surfaces of the wheel hub to solve the above-mentioned problems. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a deburring device for the upper and lower surfaces of a wheel hub.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is: a deburring device for the upper and lower surfaces of a wheel hub, including a wheel hub end face grinder, the wheel hub end face grinder includes a shell, a workbench is installed inside the shell, a stand is installed at the middle and rear part of the top of the workbench, a threaded rod is installed at the front side of the stand, symmetrical threaded sections are arranged on the upper and lower sides of the middle part of the threaded rod, a motor is installed at the end of the threaded rod, the upper and lower parts of the outer circumference of the threaded rod are threadedly connected to a fixing frame through the threaded sections, the fixing frame is slidably connected to the front part of the stand, and a hydraulic rod is installed at the front end of the fixing frame. The telescopic parts of the hydraulic rod are fixedly connected to the reduction motor, the driving ends of the reduction motors are fixedly connected to the fixed covers, the ends of the fixed covers away from the reduction motors are fixedly connected to the limit plates, racks are arranged on the front and rear sides of the limit plates, one end of the racks is fixedly connected to the grinding frames, the front and rear sides of the limit plates are fixedly connected to the limit bars, the upper and lower parts of the racks are provided with limit grooves, the racks are slidably connected to the limit bars and the limit plates through the limit grooves, the racks are meshed and connected to the front and rear sides of the built-in gears, and the built-in gears are fixedly connected to the bottom driving end of the servo motor.

[0005] Preferably, both sides of the front of the shell are connected with sealing doors through hinges, and a control panel is installed on one side of the front of the shell.

[0006] Preferably, electric slides are provided on both sides of the front of the workbench, clamps are installed on the top of the electric slides, clamps are installed on the clamp lifting parts, and automobile wheels are clamped between the clamps on both sides.

[0007] Preferably, grinding pads are fixedly connected to both sides of one end of the grinding frame close to the automobile wheel hub, an opening is opened in the middle of the grinding frame, a mounting column is rotatably connected to the inner side of the opening, and grinding sheets can be clamped on each end surface of the outer circumference of the mounting column.

[0008] Preferably, a driven gear is fixedly connected to one side of the outer circumference of the mounting column, a driving gear is meshedly connected to one side of the driven gear, and the driving gear is fixedly connected to the driving end of the stepping motor.

[0009] Preferably, the stepper motors are fixedly connected to one side of the middle part of one end of the grinding frame, the mounting posts are arranged on the inner side of the protective net cover, and the protective net cover is installed in the middle part of the end of the grinding frame away from the automobile wheel hub.

[0010] Preferably, both sides of the middle of one end of the grinding frame away from the automobile wheel hub are provided with air guide grooves, top covers are installed on the outer sides of the ends of the air guide grooves, and the ends of the air guide grooves away from the top covers are connected to the openings and face the mounting column.

[0011] Preferably, one end of the top cover is fixedly connected to an air duct, the end of the air duct away from the top cover is slidably connected to the inside of the outer sleeve, the outer sleeve is fixedly connected to both sides of the outer periphery of the rotating bin, and the interior of the rotating bin is connected to the outer sleeve and the interior of the air duct.

[0012] Preferably, the outer periphery of the reduction motor is fixedly connected to a fixing ring via a connecting rod, the outer periphery of the fixing ring is installed with a hub motor, the outer periphery of the hub motor is fixedly connected to an impeller, the hub motor and the impeller are both arranged on the inner side of the rotating bin, and the end of the rotating bin close to the automobile wheel hub is fixedly connected to a limit plate via a connecting plate.

[0013] Preferably, the servo motors are multiple connected to the middle of one end of the limiting plate, the servo motors are arranged on the inner side of the fixed cover, and the built-in gears are arranged in the middle of the limiting plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. During grinding, the motor at the end of the threaded rod can drive the threaded rod to rotate, and the threaded section on the threaded rod can realize the close movement of the fixing frame, so that the grinding component can contact the end face of the automobile wheel hub. The reduction motor at the end of the hydraulic rod can drive the fixing cover and the limit plate, the rack and the grinding frame to rotate, and the grinding pad and the grinding sheet at the end face of the grinding frame can realize the grinding of the end face of the automobile wheel hub. The upper and lower end faces of the automobile wheel hub can be synchronously ground by bringing the upper and lower fixing frames closer together, which is beneficial to actual use. The hydraulic rod installed at the end of the fixing frame can realize further adjustment of the position of the grinding component.

[0016] 2. Before grinding, people can start the servo motor according to the actual size of the car wheel hub. The servo motor can drive the built-in gear to rotate, and the rotation of the built-in gear can drive the meshing racks on both sides to move, so that the opening amplitude of the grinding frames on both sides can be adjusted, so that the grinding pad and the grinding sheet at the bottom of the grinding frame can better contact the end face of the car wheel hub, thereby achieving a better grinding process of the end face of the car wheel hub.

[0017] 3. When grinding, first turn the side of the mounting column without the grinding sheet toward the automobile wheel hub, and then the hard abrasive of the grinding pad can fully grind and remove the burrs on the end face of the automobile wheel hub. Then, the stepper motor can drive the driving gear to rotate, and the driving gear can drive the meshing driven gear to rotate, and the driven gear can drive the mounting column to rotate, and turn the surface with the grinding sheet toward the automobile wheel hub. The soft abrasive of the grinding sheet in the middle of the grinding pad can achieve fine grinding of the automobile wheel hub, and the progressive polishing grinding of the end face of the automobile wheel hub can be achieved through the progressive grinding mesh of each grinding sheet, which is beneficial to practical use.

[0018] 4. During the grinding process, the hub motor on the outer periphery of the fixed ring can drive the impeller to rotate. The rotation of the impeller inside the rotating bin can disturb the airflow inside the rotating bin, so that the airflow inside the impeller can be discharged to the outer sleeve and the air guide pipe. After entering the top cover, the airflow will enter the air guide groove. After being discharged through the air guide groove, the airflow will impact the grinding sheets on both sides of the mounting column, so that the grinding sheets to be ground and the grinding sheets that have been ground can be cleaned during grinding. At the same time, the airflow can be guided to the end face grinding of the automobile hub through the guidance of the inclined surface of the grinding sheet to clean the debris at the grinding site. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the front three-dimensional structure of a device for deburring the upper and lower surfaces of a wheel hub according to the present invention;

[0020] Figure 2It is a front view schematic diagram of the internal structure of a device for deburring the upper and lower surfaces of a wheel hub of the present invention;

[0021] Figure 3 It is a bottom view schematic diagram of the internal structure of a device for deburring the upper and lower surfaces of a wheel hub according to the present invention;

[0022] Figure 4 It is a schematic diagram of the partial structure of the clamping jaws of a deburring device for the upper and lower surfaces of a wheel hub according to the present invention;

[0023] Figure 5 It is a partial structural schematic diagram of the reduction motor of a wheel hub upper and lower surface deburring device of the present invention;

[0024] Figure 6 It is a schematic diagram of the partial structure of the impeller of a device for deburring the upper and lower surfaces of a wheel hub according to the present invention;

[0025] Figure 7 It is a partial structural schematic diagram of the built-in gear of a wheel hub upper and lower surface deburring device of the present invention;

[0026] Figure 8 It is a schematic diagram of the partial structure of the stepping motor of a wheel hub upper and lower surface deburring device of the present invention;

[0027] Fig. 9 It is a schematic diagram of the partial structure of the mounting column of the upper and lower surface deburring device of a wheel hub of the present invention;

[0028] Fig.10 It is a schematic diagram of the partial structure of the driven gear of a device for deburring the upper and lower surfaces of a wheel hub according to the present invention.

[0029] 1. Wheel hub end face grinding machine; 101. Shell; 102. Control panel; 103. Closing door; 104. Clamping table; 105. Workbench; 106. Driven gear; 107. Automobile wheel hub; 108. Clamping claw; 109. Stand; 110. Fixed frame; 111. Electric slide; 112. Threaded rod; 113. Hydraulic rod; 114. Grinding frame; 115. Transfer bin; 116. Grinding pad; 117. Speed ​​reducer motor; 118. Rack; 1 19. Limit plate; 120. Connecting plate; 121. Fixed ring; 122. Impeller; 123. Fixed cover; 124. Top cover; 125. Protective mesh cover; 126. Outer sleeve; 127. Connecting rod; 128. Built-in gear; 129. Servo motor; 130. Limit strip; 131. Limit groove; 132. Stepping motor; 133. Driving gear; 134. Grinding sheet; 135. Air guide tube; 136. Air guide groove; 137. Mounting column. DETAILED DESCRIPTION

[0030] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0031] like Figure 1-Figure 10 A wheel hub upper and lower surface deburring device shown includes a wheel hub end face grinder 1, which includes a shell 101, a stand 109 is installed at the middle and rear part of the top of a workbench 105, a threaded rod 112 is installed on the front side of the stand 109, symmetrical thread segments are provided on the upper and lower sides of the middle part of the threaded rod 112, a motor is installed on the end of the threaded rod 112, the upper and lower parts of the outer circumference of the threaded rod 112 are threadedly connected to a fixing frame 110 through the thread segments, the fixing frame 110 is slidably connected to the front part of the stand 109, a hydraulic rod 113 is installed on the front end of the fixing frame 110, the telescopic part of the hydraulic rod 113 is fixedly connected to a reduction motor 117, the driving end of the reduction motor 117 is fixedly connected to a fixing cover 123, and the fixing cover 123 is away from the reduction motor One end of 117 is fixedly connected to the limit plate 119, and racks 118 are arranged on the front and rear sides of the limit plate 119, and one end of the rack 118 is fixedly connected to the grinding frame 114, and the front and rear sides of the limit plate 119 are fixedly connected to the limit bar 130, and the upper and lower parts of the rack 118 are provided with limit grooves 131, and the racks 118 are slidably connected with the limit bar 130 and the limit plate 119 through the limit grooves 131, and the racks 118 are meshed and connected to the front and rear sides of the built-in gear 128, and the built-in gear 128 is fixedly connected to the bottom driving end of the servo motor 129, and the servo motors 129 are connected to the middle of one end of the limit plate 119, and the servo motor 129 is arranged on the inner side of the fixed cover 123, and the built-in gear 128 is arranged in the middle of the limit plate 119;

[0032] Furthermore, in a specific implementation, during grinding, the motor at the end of the threaded rod 112 can drive the threaded rod 112 to rotate, and the threaded section on the threaded rod 112 can realize the close movement of the fixing frame 110, so that the grinding component can contact the end face of the automobile wheel hub 107, and the reduction motor 117 at the end of the hydraulic rod 113 can drive the fixed cover 123 and the limit plate 119, the rack 118 and the grinding frame 114 to rotate, and the grinding pad 116 and the grinding sheet 134 on the end face of the grinding frame 114 can realize the grinding of the end face of the automobile wheel hub 107, and the upper and lower end faces of the automobile wheel hub 107 can be synchronously ground by bringing the upper and lower fixing frames 110 closer, which is beneficial to actual use, and the hydraulic rod 113 installed at the end of the fixing frame 110 can realize further adjustment of the position of the grinding component, which is beneficial to actual use.

[0033] Among them, both sides of the front of the shell 101 are connected with sealing doors 103 through hinges, and a control panel 102 is installed on one side of the front of the shell 101. The control panel 102 is electrically connected with the clamping platform 104, the electric slide 111, the motor, the reduction motor 117, the hub motor and the stepper motor 132. A workbench 105 is installed inside the shell 101, and both sides of the front of the workbench 105 are provided with electric slides 111. The top of the electric slide 111 is installed with a clamping platform 104, and the lifting part of the clamping platform 104 is installed with a clamping claw 108, and the automobile wheel hub 107 is clamped between the clamping claws 108 on both sides;

[0034] Furthermore, in the specific implementation, people can open the sealing door 103, and then place the automobile wheel hub 107 inside the wheel hub end face grinder 1, and the operation of the electric slide 111 can achieve the approach and distance of the clamping platform 104, and the approach of the clamping platform 104 can use the clamping claws 108 to clamp and fix the automobile wheel hub 107, and the clamping platform 104 can be used to lift the automobile wheel hub 107 and locate the position of the automobile wheel hub 107.

[0035] Among them, grinding pads 116 are fixedly connected to both sides of one end of the grinding frame 114 close to the automobile wheel hub 107, and an opening is opened in the middle of the grinding frame 114. The inner side of the opening is rotatably connected to a mounting column 137, and each end surface of the outer periphery of the mounting column 137 can be clamped with a grinding sheet 134;

[0036] Furthermore, in a specific implementation, before grinding, people can start the servo motor 129 according to the actual size of the automobile wheel hub 107. The operation of the servo motor 129 can drive the built-in gear 128 to rotate, and the rotation of the built-in gear 128 can drive the meshing racks 118 on both sides to move, so that the opening amplitude of the grinding frames 114 on both sides can be adjusted, so that the grinding pad 116 and the grinding sheet 134 at the bottom of the grinding frame 114 can better contact the end face of the automobile wheel hub 107, thereby achieving a better grinding process for the end face of the automobile wheel hub 107. During grinding, the side of the mounting column 137 where the grinding sheet 134 is not installed is first turned toward the automobile wheel hub 107, and then the hard abrasive of the grinding pad 116 can achieve sufficient grinding and removal of burrs on the end face of the automobile wheel hub 107.

[0037] Among them, both sides of the middle part of the end of the grinding frame 114 away from the automobile wheel hub 107 are provided with air guide grooves 136, and the outer sides of the ends of the air guide grooves 136 are installed with top covers 124. The ends of the air guide grooves 136 away from the top cover 124 are connected to the opening and face the mounting column 137. One end of the top cover 124 is fixedly connected with an air guide pipe 135, and the ends of the air guide pipes 135 away from the top cover 124 are slidably connected to the inside of the outer sleeve 126. The outer sleeve 126 is fixedly connected to both sides of the outer periphery of the transfer bin 115, and the interior of the transfer bin 115 is connected to the outer sleeve 126 and the interior of the air guide pipe 135. The outer periphery of the reduction motor 117 is fixedly connected with a fixing ring 121 through a connecting rod 127, and the outer periphery of the fixing ring 121 is fixedly connected. A hub motor is installed, and the outer periphery of the hub motor is fixedly connected with an impeller 122. The hub motor and the impeller 122 are both arranged on the inner side of the rotating bin 115. The end of the rotating bin 115 close to the automobile wheel hub 107 is fixedly connected to the limit plate 119 through the connecting plate 120. The outer side of the mounting column 137 is fixedly connected with the driven gear 106, and the one side of the driven gear 106 is meshedly connected with the driving gear 133. The driving gear 133 is fixedly connected to the driving end of the stepper motor 132. The stepper motor 132 is fixedly connected to one side of the middle part of one end of the grinding frame 114. The mounting column 137 is arranged on the inner side of the protective net cover 125, and the protective net cover 125 is installed in the middle part of the end of the grinding frame 114 away from the automobile wheel hub 107.

[0038] Furthermore, in a specific implementation, during the grinding process, the hub motor on the outer periphery of the fixed ring 121 can drive the impeller 122 to rotate, and the rotation of the impeller 122 inside the rotating bin 115 can disturb the airflow inside the rotating bin 115, so that the airflow inside the impeller 122 can be discharged to the outer sleeve 126 and the air guide pipe 135, and the airflow enters the air guide groove 136 after entering the top cover 124. After the airflow passes through the air guide groove 136 and is discharged, it will impact the grinding sheets 134 on both sides of the mounting column 137, so that the grinding sheets 134 to be ground and the grinding sheets 134 that have been ground can be cleaned during grinding, which is beneficial to actual use. At the same time, the airflow can be guided to the end face grinding of the automobile wheel hub 107 by the guidance of the inclined surface of the grinding sheet 134, so that the debris at the grinding site can be cleaned.

[0039] Working principle:

[0040] In actual use, people can open the sealing door 103, and then place the automobile wheel hub 107 inside the wheel hub end face grinder 1, and the electric slide 111 can be used to move the clamping platform 104 closer and farther away, and the clamping claws 108 can be used to clamp and fix the automobile wheel hub 107 by the approach of the clamping platform 104, and the automobile wheel hub 107 can be lifted by the clamping platform 104 to locate the position of the automobile wheel hub 107. During grinding, the motor at the end of the threaded rod 112 can drive the threaded rod 112 to rotate, and the threaded section on the threaded rod 112 can realize the close movement of the fixing frame 110, so that the grinding component can contact the end face of the automobile wheel hub 107, and the end of the hydraulic rod 113 can be used to move the fixing frame 110 to the end face of the automobile wheel hub 107. The operation of the reduction motor 117 can drive the fixed cover 123 and the limit plate 119, the rack 118 and the grinding frame 114 to rotate, and the grinding pad 116 and the grinding sheet 134 on the end face of the grinding frame 114 can be used to grind the end face of the automobile wheel hub 107. The upper and lower end faces of the automobile wheel hub 107 can be synchronously ground by the approach of the upper and lower fixing frames 110, which is beneficial to practical use. The hydraulic rod 113 installed at the end of the fixing frame 110 can further adjust the position of the grinding component, which is beneficial to practical use. Before grinding, people can start the servo motor 129 according to the actual size of the automobile wheel hub 107, and the operation of the servo motor 129 can drive the built-in gear 128 to rotate. The rotation of the gear 128 can drive the meshing racks 118 on both sides to move, so that the opening range of the grinding frames 114 on both sides can be adjusted, so that the grinding pad 116 and the grinding sheet 134 at the bottom of the grinding frame 114 can better contact the end face of the automobile wheel hub 107, and achieve a better grinding process of the end face of the automobile wheel hub 107. During grinding, first, the side of the mounting column 137 on which the grinding sheet 134 is not installed is facing the automobile wheel hub 107, and then the hard abrasive of the grinding pad 116 can achieve sufficient grinding and removal of the burrs on the end face of the automobile wheel hub 107, and then the stepping motor 132 can drive the driving gear 133 to rotate, and the driving gear 133 can drive the meshing driven gear 106 The driven gear 106 can drive the mounting column 137 to rotate, and the surface with the grinding sheet 134 installed is turned to the automobile wheel hub 107. The soft abrasive of the grinding sheet 134 in the middle of the grinding pad 116 can realize fine grinding of the automobile wheel hub 107. The progressive grinding mesh number of each grinding sheet 134 can realize progressive polishing and grinding of the end face of the automobile wheel hub 107, which is beneficial to practical use. During the grinding process, the hub motor on the outer periphery of the fixed ring 121 can drive the impeller 122 to rotate. The impeller 122 rotates inside the rotating bin 115, which can realize the disturbance of the airflow inside the rotating bin 115, so that the airflow inside the impeller 122 can be guided to the inside of the outer sleeve 126 and the air guide pipe 135.After entering the top cover 124, the airflow will enter the air guide groove 136. After passing through the air guide groove 136 and being guided out, the airflow will impact the grinding sheets 134 on both sides of the mounting column 137, so that the grinding sheets 134 to be ground and the grinding sheets 134 that have been ground can be cleaned during grinding, which is beneficial to practical use. At the same time, the airflow can be guided to the end surface grinding of the automobile wheel hub 107 through the guidance of the inclined surface of the grinding sheet 134, so as to clean the debris at the grinding site.

[0041] 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. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A wheel hub upper and lower surface deburring device, comprising a wheel hub end surface grinding machine (1), characterized in that: The wheel hub end surface grinding machine (1) comprises a shell (101), a workbench (105) is installed inside the shell (101), a stand (109) is installed at the middle and rear part of the top of the workbench (105), a threaded rod (112) is installed at the front side of the stand (109), symmetrical thread segments are arranged at the upper and lower sides of the middle part of the threaded rod (112), a motor is installed at the end of the threaded rod (112), the upper and lower parts of the outer circumference of the threaded rod (112) are threadedly connected to a fixed frame (110) through the thread segments, the fixed frame (110) is slidably connected to the front part of the stand (109), a hydraulic rod (113) is installed at the front end of the fixed frame (110), the telescopic part of the hydraulic rod (113) is fixedly connected to a reduction motor (117), and the reduction motor (117) drives The moving ends are fixedly connected with a fixed cover (123), one end of the fixed cover (123) away from the reduction motor (117) is fixedly connected with a limit plate (119), the front and rear sides of the limit plate (119) are provided with a rack (118), one end of the rack (118) is fixedly connected with a grinding frame (114), the front and rear sides of the limit plate (119) are fixedly connected with a limit bar (130), the upper and lower parts of the rack (118) are provided with a limit groove (131), the rack (118) is slidably connected with the limit bar (130) and the limit plate (119) through the limit groove (131), the rack (118) is meshed and connected with the front and rear sides of the built-in gear (128), and the built-in gear (128) is fixedly connected to the bottom driving end of the servo motor (129).

2. A wheel hub upper and lower surface deburring device according to claim 1, characterized in that: Both sides of the front of the shell (101) are connected to sealing doors (103) via hinges, and a control panel (102) is installed on one side of the front of the shell (101).

3. The device for deburring the upper and lower surfaces of a wheel hub according to claim 1, characterized in that: Both sides of the front of the workbench (105) are provided with electric slides (111), the top of the electric slides (111) is provided with clamping platforms (104), the lifting parts of the clamping platforms (104) are provided with clamping claws (108), and the automobile wheel hub (107) is clamped between the clamping claws (108) on both sides.

4. The device for deburring the upper and lower surfaces of a wheel hub according to claim 1, characterized in that: A grinding pad (116) is fixedly connected to both sides of one end of the grinding frame (114) close to the automobile wheel hub (107), an opening is opened in the middle of the grinding frame (114), and a mounting column (137) is rotatably connected to the inner side of the opening, and each end surface of the outer periphery of the mounting column (137) can be clamped with a grinding sheet (134).

5. A wheel hub upper and lower surface deburring device according to claim 4, characterized in that: A driven gear (106) is fixedly connected to one side of the outer circumference of the mounting column (137), a driving gear (133) is meshedly connected to one side of the driven gear (106), and the driving gear (133) is fixedly connected to the driving end of the stepping motor (132).

6. A wheel hub upper and lower surface deburring device according to claim 5, characterized in that: The stepper motors (132) are fixedly connected to one side of the middle of one end of the grinding frame (114), the mounting column (137) is arranged on the inner side of the protective net cover (125), and the protective net cover (125) is installed in the middle of one end of the grinding frame (114) away from the automobile wheel hub (107).

7. The device for deburring the upper and lower surfaces of a wheel hub according to claim 4, characterized in that: Air guide grooves (136) are provided on both sides of the middle of one end of the grinding frame (114) away from the automobile wheel hub (107), and top covers (124) are installed on the outer sides of the ends of the air guide grooves (136). One end of the air guide grooves (136) away from the top cover (124) is connected to an opening and faces the mounting column (137).

8. The device for deburring the upper and lower surfaces of a wheel hub according to claim 7, characterized in that: One end of the top cover (124) is fixedly connected to an air guide tube (135), and one end of the air guide tube (135) away from the top cover (124) is slidably connected to the inside of the outer sleeve (126). The outer sleeve (126) is fixedly connected to both sides of the outer periphery of the transfer bin (115), and the inside of the transfer bin (115) is connected to the inside of the outer sleeve (126) and the air guide tube (135).

9. The device for deburring the upper and lower surfaces of a wheel hub according to claim 7, characterized in that: The outer periphery of the reduction motor (117) is fixedly connected to a fixing ring (121) via a connecting rod (127), the outer periphery of the fixing ring (121) is installed with a wheel hub motor, the outer periphery of the wheel hub motor is fixedly connected to an impeller (122), the wheel hub motor and the impeller (122) are both arranged on the inner side of a rotating bin (115), and one end of the rotating bin (115) close to the automobile wheel hub (107) is fixedly connected to a limiting plate (119) via a connecting plate (120).

10. The device for deburring the upper and lower surfaces of a wheel hub according to claim 1, characterized in that: The servo motor (129) is connected to the middle of one end of the limiting plate (119), the servo motor (129) is arranged inside the fixed cover (123), and the built-in gear (128) is arranged in the middle of the limiting plate (119).

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