Transfer device for bicycle hub machining

Abstract

The invention is suitable for the technical field of bicycle hub machining, and provides a bicycle hub machining transfer device which comprises a machine base, the machine base is connected to a shell of external machining equipment through screws, a transfer mechanism is installed on the machine base, and an adjusting mechanism is installed on the machine base. The adjusting mechanism is used for adjusting the position of the to-be-machined bicycle hub on the transferring mechanism. The transfer mechanism comprises a vertical shaft, the vertical shaft is rotationally installed on the machine base, a plurality of guide sleeves distributed in a circumferential array mode are fixedly installed on the top base, a transverse rod is inserted into the guide sleeves in a sliding mode, and an annular groove used for containing a to-be-machined bicycle hub is fixedly formed in the end of the transverse rod. A first motor is used for driving a gear, a gear ring, a supporting sleeve, a sleeve, a round rod and a driving part to rotate, the driving part and a friction strip are in transmission through friction force, a cross rod is driven to slide in a guide sleeve, and position adjustment of an annular groove and a hub is achieved. Due to the design, the position of the hub can be flexibly adjusted, and the position of the hub can be accurately adjusted according to machining requirements.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of bicycle hub processing, and particularly relates to a transfer device for bicycle hub processing. BACKGROUND

[0002] The transfer device for bicycle hub processing is designed for hub processing and integrates automation and flexibility. Precise grabbing and stable transfer of the hub are realized through servo motor driving of the synchronous belt or the pneumatic chuck, so as to avoid surface scratches caused by manual handling. Part of the device is equipped with an adjustable angle transfer box, which is suitable for different sizes of hubs.

[0003] The existing production line for installing bicycle hubs with the publication number CN209833242U specifically discloses that the support frame is provided with a conveyor above, support columns are arranged on both sides of the support frame, the support seat is adopted to support the support columns, the contact area with the ground is expanded, the stability of the whole is improved, the rotary seat is adopted to rotate and support the rotating ring, the cross bottom plate is supported by the rotating ring and the support rod, and the structural strength of the cross bottom plate is improved; the top seat is adopted to further support the cross bottom plate, and the spoke installation position can be adjusted by rotating the cross bottom plate, so that the installation of the spoke is more convenient; the guide rod is adopted to guide and support the clamping seat, and the clamping seat is driven by the air cylinder to slide horizontally along the guide rod, so that the clamping can be performed according to the specific size of the bicycle hub.

[0004] The existing transfer device for bicycle hub processing cannot flexibly adjust the position of the transferred hub according to the processing station during use. The processing equipment is usually programmed and operated according to the preset hub position. If the position of the transferred hub is inconsistent with the positioning requirement of the processing equipment, the relative position of the processing tool and the hub will be deviated, thereby causing processing errors, affecting the size accuracy, shape accuracy and surface quality of the hub. For example, in the drilling processing of the hub, the position deviation may cause the inaccurate position of the hole, the inconsistent hole diameter and other problems, thereby reducing the assembly performance and service life of the hub. To solve the above problems, it is necessary to design a transfer device for bicycle hub processing. SUMMARY

[0005] The application provides a transfer device for bicycle hub processing to solve the above problems in the prior art.

[0006] The application is implemented as follows: a transfer device for bicycle hub processing, comprising a machine base connected to the shell of an external processing equipment through screws, a transfer mechanism installed on the machine base, the transfer mechanism being used for transferring a bicycle hub to be processed, and an adjusting mechanism installed on the machine base, the adjusting mechanism being used for adjusting the position of the bicycle hub to be processed on the transfer mechanism.

[0007] The transport mechanism comprises a vertical shaft, which is rotatably installed on the base, and a top seat fixedly installed on the upper end of the vertical shaft, a plurality of guide sleeves in a circumferential array are fixedly installed on the top seat, a crossbar is inserted and slidably installed in the guide sleeves, and an annular groove for placing a bicycle hub to be processed is fixedly installed on the end of the crossbar.

[0008] As a preferred scheme, the transport mechanism further comprises a through hole, which is formed on the guide sleeve, and a limiting block, which is penetrated in the through hole, and the limiting block is fixedly connected with one end of the crossbar.

[0009] As a preferred scheme, the transport mechanism further comprises a driving assembly, which comprises a servo motor, the servo motor is fixedly installed on the base, the output shaft of the servo motor is fixedly connected with the bottom of the vertical shaft, a protective cover is installed outside the servo motor, and the protective cover is fixedly installed on the base.

[0010] As a preferred scheme, the adjusting mechanism comprises a support fixedly connected with the base, a support sleeve rotatably installed on the support, a plurality of sleeve pipes in a circumferential array fixedly installed outside the support sleeve, a slidable round rod inserted in the sleeve pipes, a driving part fixedly installed on the end of the round rod, a spring sleeved outside the combination of the sleeve pipe and the round rod, the two ends of the spring being fixedly connected with the support sleeve and the driving part respectively, a friction strip fixedly connected with the bottom of the crossbar, the friction strip being in contact with the surface of the driving part and being in transmission through friction therebetween, a gear ring fixedly installed on the other end of the support sleeve, a first motor fixedly installed on the support, a gear fixedly installed on the output shaft end of the first motor, and the gear being engaged with the gear ring.

[0011] As a preferred scheme, one end of the round rod penetrates through the support sleeve and is slidably installed on the support sleeve, a cam is rotatably installed inside the support sleeve, the cam is in abutment with the end of the round rod, a second motor is fixedly installed on the support, and the output shaft of the second motor is fixedly connected with the cam.

[0012] As a preferred scheme, a first rotating shaft is rotatably installed on the base, a spring telescopic rod is installed on the lower end of the first rotating shaft, a rotating disc is fixedly connected with the movable end of the spring telescopic rod, a cotton ring is fixedly connected with the bottom of the rotating disc, a first magnet is fixedly connected with the first rotating shaft, and a second magnet is fixedly connected with the rotating disc.

[0013] As a preferred scheme, a second rotating shaft is rotatably installed on the base, a transmission shaft is rotatably installed on the base, the second rotating shaft extends to the first rotating shaft and the transmission shaft at the opposite ends thereof, a first bevel gear is installed on the opposite ends of the first rotating shaft and the second rotating shaft, the two first bevel gears are engaged, a second bevel gear is installed on the opposite ends of the first rotating shaft and the transmission shaft, and the two second bevel gears are engaged.

[0014] As a preferred scheme, the vertical shaft and the transmission shaft are fixedly installed with pulleys, and a synchronous belt is installed between the two pulleys.

[0015] As a preferred scheme, a flexible gasket is placed inside the annular groove.

[0016] As a preferred scheme, an isolation cover is fixedly installed on the machine base and outside the second rotating shaft, the first bevel gear and the second bevel gear.

[0017] Compared with the related art, the transfer device for bicycle hub processing has the following beneficial effects: The vertical shaft, the top seat, the guide sleeve, the crossbar and the annular groove are driven to rotate by the servo motor, the annular groove at the end of the crossbar can stably support the hub, the through hole on the guide sleeve cooperates with the limiting block at the end of the crossbar to prevent the crossbar from sliding out and ensure the stable sliding of the crossbar in the guide sleeve, thereby ensuring the smoothness of the hub transfer process.

[0018] The gear, the gear ring, the support sleeve, the sleeve, the round rod and the driving part are driven to rotate by the first motor, the driving part and the friction strip are transmitted by friction force to drive the crossbar to slide in the guide sleeve, and the position of the annular groove and the hub is adjusted. This design makes the hub position adjustment flexible, and the hub position can be accurately adjusted according to the processing requirements.

[0019] The cam is driven to rotate by the second motor, the round rod is pushed to slide in the sleeve, the pressure between the driving part and the friction strip is changed, the two are in close contact, and the transmission effect is ensured. After the hub position adjustment is completed, the second motor is stopped and self-locked, the driving part continuously presses the friction strip, the friction strip and the hub position are locked, the hub position is prevented from changing in the subsequent processing process, and the processing precision and quality are ensured.

[0020] The spring telescopic rod, the turntable and the cotton ring are driven to rotate by the first rotating shaft, and the cotton ring can clean and polish the surface of the hub. The rotating cotton ring can uniformly contact the surface of the hub to remove impurities such as dirt and burrs on the surface, improve the smoothness and quality of the surface of the hub.

[0021] The elastic telescopic ability of the spring telescopic rod enables the turntable to move up and down within a certain range. When the cotton ring contacts the surface of the hub, the spring telescopic rod can adaptively expand and contract according to the unevenness of the surface of the hub to ensure that the cotton ring is always in full contact with the surface of the hub. This adaptive function can adapt to hubs of different shapes and sizes to ensure the uniformity and comprehensiveness of the treatment of the surface of the hub and improve the treatment effect.

[0022] Through the self-adapting expansion and contraction characteristics of the spring telescopic rod, the device can process wheel hubs with different diameters and different surface flatness. Without complex adjustment and replacement of parts, the cotton ball can automatically adapt to the wheel hub surface for operation by simply placing the wheel hub in the appropriate position, thereby improving the versatility and adaptability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic diagram of the present application; Figure 2 is a partial structural schematic diagram of the present application; Figure 3 is an enlarged schematic diagram of part of the structure at the annular groove in the present application; Figure 4 is an enlarged sectional view of part of the structure at the guide sleeve in the present application; Figure 5 is an exploded schematic diagram of part of the structure at the support sleeve in the present application; Figure 6 is an enlarged schematic diagram of part of the structure at the turntable in the present application; Figure 7 is an enlarged schematic diagram of part A in the present application. Figure 6

[0024] In the figure: 1, base; 2, transfer mechanism; 3, adjusting mechanism; 4, vertical shaft; 5, top seat; 6, guide sleeve; 7, cross rod; 8, annular groove; 9, through hole; 10, limit block; 11, servo motor; 12, support; 13, support sleeve; 14, sleeve; 15, round rod; 16, driving part; 17, spring; 18, friction strip; 19, gear ring; 20, first motor; 21, gear; 22, cam; 23, second motor; 24, first rotating shaft; 25, spring telescopic rod; 26, turntable; 27, cotton ball; 28, first magnet; 29, second magnet; 30, second rotating shaft; 31, transmission shaft; 32, first bevel gear; 33, second bevel gear; 34, pulley; 35, synchronous belt; 36, isolation cover. DETAILED DESCRIPTION

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing specific embodiments only and is not intended to be limiting of the application; the description and the claims herein and the above description of drawings herein use the term "including" and "comprising" and variations thereof, and they are intended to be open-ended, and encompass the non-exclusive inclusion; the description and the claims herein and the above description of drawings herein use the term "first", "second" and the like, which are used only to distinguish one object from another, and are not intended to designate a particular order.

[0026] ​In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0027] A preferred embodiment of the bicycle wheel hub processing transfer device provided by the present invention is as follows: Figures 1 to 7 As shown: A transfer device for processing bicycle wheel hubs includes a base 1, which is connected to the outer casing of an external processing equipment by screws. A transfer mechanism 2 is mounted on the base 1 for transferring the bicycle wheel hub to be processed. An adjustment mechanism 3 is also mounted on the base 1 for adjusting the position of the bicycle wheel hub to be processed on the transfer mechanism 2. The transfer mechanism 2 includes a vertical shaft 4, which is rotatably mounted on the base 1. A top seat 5 is fixedly mounted on the upper end of the vertical shaft 4. Multiple guide sleeves 6 arranged in a circumferential array are fixedly mounted on the top seat 5. A crossbar 7 is inserted into and slidably mounted within the guide sleeves 6. An annular groove 8 for placing the bicycle wheel hub to be processed is fixedly mounted at the end of the crossbar 7.

[0028] The transfer mechanism 2 also includes a through-hole 9, which is formed on the guide sleeve 6. A limit block 10 passes through the through-hole 9 and is fixedly connected to one end of the crossbar 7. The transfer mechanism 2 also includes a drive assembly, which includes a servo motor 11. The servo motor 11 is fixedly mounted on the base 1. The output shaft of the servo motor 11 is fixedly connected to the bottom of the vertical shaft 4. A protective cover is installed on the outside of the servo motor 11 and is fixedly mounted on the base 1. The adjustment mechanism 3 includes a bracket 12 fixedly connected to the base 1. A support sleeve 13 is rotatably mounted on the bracket 12. Multiple sleeves 14 arranged in a circumferential array are fixedly mounted on the outside of the support sleeve 13. A slidable round rod 15 is inserted into the sleeve 14. A drive part 16 is fixedly mounted on the end of each round rod 15. A spring 17 is fitted over the assembly of the sleeve 14 and the round rod 15. The two ends of the spring 17 are fixedly connected to the support sleeve 13 and the drive part 16, respectively. A friction strip 18 is fixedly connected to the bottom of the crossbar 7. The friction strip 18 contacts the surface of the drive part 16 and the two are transmitted through friction. A gear ring 19 is fixedly mounted on the other end of the support sleeve 13. A first motor 20 is fixedly mounted on the bracket 12. A gear 21 is fixedly mounted on the output shaft end of the first motor 20. The gear 21 meshes with the gear ring 19. One end of the round rod 15 passes through the support sleeve 13 and is slidably mounted on the support sleeve 13. A cam 22 is rotatably mounted inside the support sleeve 13. The cam 22 is in contact with the end of the round rod 15. A second motor 23 is fixedly mounted on the bracket 12. The output shaft of the second motor 23 is fixedly connected to the cam 22.

[0029] In the embodiment, the hub is transported by the transporting mechanism 2, and the position of the hub is adjusted by the adjusting mechanism 3, and the two mechanisms work together as follows: the annular groove 8 at the end of the crossbar 7 is used to place the hub to be machined, so that the hub can be supported in the annular groove 8. The limiting block 10 fixedly connected with one end of the crossbar 7 is penetrated in the through hole 9 of the guide sleeve 6, and the limiting block 10 can prevent the crossbar 7 from sliding out of the guide sleeve 6, so as to ensure the stable sliding of the crossbar 7 in the guide sleeve 6.

[0030] The servo motor 11 is started, the output shaft drives the vertical shaft 4 to rotate, the vertical shaft 4 drives the top seat 5 to rotate, and the top seat 5 drives the guide sleeve 6, the crossbar 7 and the hub in the annular groove 8 at the end of the crossbar 7 to rotate, so as to realize the transportation of the hub.

[0031] The friction strip 18 is in surface contact with the driving part 16, and at this time the driving part 16 is pressed against the friction strip 18 under the action of the spring 17, so as to prepare for transmission by friction. The first motor 20 is started, the output shaft drives the gear 21 to rotate, the gear 21 drives the gear ring 19 to rotate, the gear ring 19 drives the supporting sleeve 13 to rotate, the supporting sleeve 13 drives the sleeve pipe 14, the circular rod 15 and the driving part 16 to rotate, and since the driving part 16 and the friction strip 18 are transmitted by friction, the driving part 16 will drive the friction strip 18 to move when the driving part 16 rotates, the friction strip 18 drives the crossbar 7 to slide in the guide sleeve 6, and then the position of the annular groove 8 at one end of the crossbar 7 and the hub inside the annular groove 8 is adjusted.

[0032] The circular rod 15 penetrates through the supporting sleeve 13 and is slidingly installed on the supporting sleeve 13, the cam 22 is rotatably installed in the supporting sleeve 13, the cam 22 is attached to the end of the circular rod 15, and the second motor 23 is fixedly installed on the support 12 and fixedly connected with the cam 22. The second motor 23 is started, the output shaft drives the cam 22 to rotate, the protruding part on the outer side of the cam 22 rotates and pushes the circular rod 15 to slide in the sleeve pipe 14, the circular rod 15 drives the driving part 16 to move, so as to change the pressure between the driving part 16 and the friction strip 18, so that the driving part 16 and the friction strip 18 are in close contact. After the adjustment of the position of the hub is completed, the second motor 23 is stopped and self-locked, the friction strip 18 is pressed by the driving part 16 again, so that the position of the friction strip 18 is locked, and the position of the hub is kept in the locked state after the adjustment is completed.

[0033] The vertical shaft 4 is driven by the servo motor 11 to rotate, the vertical shaft 4 drives the top seat 5 to rotate, and the top seat 5 drives the guide sleeve 6, the crossbar 7 and the hub in the annular groove 8 at the end of the crossbar 7 to rotate, so as to realize the transportation of the hub. The limiting block 10 in the through hole 9 prevents the crossbar 7 from sliding out of the guide sleeve 6, so as to ensure the stable sliding of the crossbar 7 in the guide sleeve 6, and then to ensure the smooth transportation of the hub.

[0034] The driving part 16 is used to press the friction strip 18, and when the driving part 16 rotates, the friction strip 18 is driven to move, the friction strip 18 drives the cross rod 7 to slide in the guide sleeve 6, and the position of the annular groove 8 and the wheel hub is adjusted. This design makes the wheel hub position adjustment flexible, and the wheel hub position can be accurately adjusted according to the processing requirements. The protruding part on the outer side of the cam 22 rotates and pushes the round rod 15 to slide in the sleeve 14, the round rod 15 drives the driving part 16 to move, so that the pressure between the driving part 16 and the friction strip 18 is changed, the driving part 16 and the friction strip 18 are in close contact, and the transmission effect is guaranteed. After the wheel hub position adjustment is completed, the second motor 23 is stopped and self-locked, and the friction strip 18 is pressed by the driving part 16, so that the position of the friction strip 18 is locked, and the wheel hub position is locked after the adjustment is completed, so that the wheel hub position is prevented from changing in the subsequent processing process, and the processing precision and quality are ensured.

[0035] In a further preferred embodiment of the present application: A first rotating shaft 24 is rotatably installed on the machine base 1, a spring telescopic rod 25 is installed at the lower end of the first rotating shaft 24, a rotating disc 26 is fixedly connected to the movable end of the spring telescopic rod 25, a cotton ring 27 is fixedly connected to the bottom of the rotating disc 26, a first magnet 28 is fixedly connected to the first rotating shaft 24, and a second magnet 29 is fixedly connected to the rotating disc 26. A second rotating shaft 30 is rotatably installed on the machine base 1, a transmission shaft 31 is rotatably installed on the machine base 1, the second rotating shaft 30 extends to the first rotating shaft 24 and the transmission shaft 31, first bevel gears 32 are installed at the opposite ends of the first rotating shaft 24 and the transmission shaft 31, the second rotating shaft 30, and the second bevel gears 33 are installed at the opposite ends of the transmission shaft 31 and the second rotating shaft 30, and the two first bevel gears 32 are meshed. The two second bevel gears 33 are meshed. A belt pulley 34 is fixedly installed on the vertical shaft 4 and the transmission shaft 31, and a synchronous belt 35 is installed between the two belt pulleys 34.

[0036] A flexible gasket is placed in the annular groove 8 to protect the wheel hub placed in the annular groove 8. An isolation cover 36 is fixedly installed on the machine base 1, and the isolation cover 36 is fixedly installed outside the second rotating shaft 30, the first bevel gear 32 and the second bevel gear 33. The structure parts in the isolation cover 36 are protected.

[0037] In this embodiment, the vertical shaft 4 is driven to rotate by the servo motor 11. After the vertical shaft 4 rotates, the power is transmitted to the transmission shaft 31 through the belt pulleys 34 fixedly installed on the vertical shaft 4 and the transmission shaft 31 and the synchronous belt 35 connecting the two belt pulleys 34, so that the transmission shaft 31 rotates synchronously.

[0038] When the transmission shaft 31 rotates, the power is transmitted to the second rotating shaft 30 through the second bevel gear 33 and the first bevel gear 32 which are respectively installed at both ends of the second rotating shaft 30 and engaged with the transmission shaft 31 and the first rotating shaft 24, and then the first rotating shaft 24 is driven to rotate. The specific process is as follows: the second bevel gear 33 on the transmission shaft 31 is driven to rotate when the transmission shaft 31 rotates, and the second bevel gear 33 is engaged with the second bevel gear 33 at one end of the second rotating shaft 30, thereby driving the second rotating shaft 30 to rotate; when the second rotating shaft 30 rotates, the first bevel gear 32 at the other end is engaged with the first bevel gear 32 on the first rotating shaft 24, thereby driving the first rotating shaft 24 to rotate.

[0039] When the first rotating shaft 24 rotates, the spring telescopic rod 25 fixed at the lower end thereof is driven to rotate, and then the rotating disc 26 fixedly connected with the movable end of the spring telescopic rod 25 is driven to rotate, and finally the cotton ring 27 fixed at the bottom of the rotating disc 26 is driven to rotate. The cotton ring 27 can rotate to clean and polish the surface of the hub.

[0040] The spring telescopic rod 25 has a certain elastic telescopic capacity, and can drive the rotating disc 26 to move up and down within a certain range. When the cotton ring 27 contacts the surface of the hub, the spring telescopic rod 25 can be self-adaptively telescoped according to the unevenness of the surface of the hub, so as to ensure that the cotton ring 27 fully contacts the surface of the hub and improve the processing effect.

[0041] It should be noted that the circuits, electronic components and modules involved in the present application are all prior art, and those skilled in the art can realize them without further description. The content protected by the present application does not involve improvement of software and methods.

[0042] In several embodiments provided in the present application, it should be understood that the disclosed device can be realized by other ways. For example, the device embodiments described above are only schematic; for example, the division of the above units is only a logical function division, and there can be another division manner in actual implementation; for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or communication connection between the shown or discussed units can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical or other forms.

[0043] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, but not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. Although the present application is described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative work, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. A transfer device for processing bicycle wheel hubs, characterized in that, Includes a base (1), which is connected to the outer shell of an external processing equipment by screws. A transfer mechanism (2) is installed on the base (1) for transferring the bicycle wheel hub to be processed. An adjustment mechanism (3) is installed on the base (1) for adjusting the position of the bicycle wheel hub to be processed on the transfer mechanism (2). The transfer mechanism (2) includes a vertical shaft (4), which is rotatably mounted on a machine base (1). A top seat (5) is fixedly mounted on the upper end of the vertical shaft (4). Multiple guide sleeves (6) arranged in a circular array are fixedly mounted on the top seat (5). A crossbar (7) is inserted and slidably mounted inside the guide sleeve (6). An annular groove (8) for placing the bicycle wheel hub to be processed is fixedly mounted at the end of the crossbar (7).

2. The transfer device for bicycle wheel hub processing as described in claim 1, characterized in that, The transfer mechanism (2) also includes a through-hole (9), which is opened on the guide sleeve (6). A limiting block (10) passes through the through-hole (9), and the limiting block (10) is fixedly connected to one end of the crossbar (7).

3. The transfer device for bicycle wheel hub processing as described in claim 2, characterized in that, The transfer mechanism (2) also includes a drive assembly, which includes a servo motor (11). The servo motor (11) is fixedly mounted on the base (1). The output shaft of the servo motor (11) is fixedly connected to the bottom of the vertical shaft (4). A protective cover is installed on the outside of the servo motor (11). The protective cover is fixedly mounted on the base (1).

4. The transfer device for processing bicycle wheel hubs as described in claim 3, characterized in that, The adjustment mechanism (3) includes a bracket (12) fixedly connected to the base (1). A support sleeve (13) is rotatably mounted on the bracket (12). A plurality of sleeves (14) arranged in a circumferential array are fixedly mounted on the outside of the support sleeve (13). A slidable round rod (15) is inserted into the sleeve (14). A drive part (16) is fixedly mounted at the end of each round rod (15). A spring (17) is fitted over the combination of the sleeve (14) and the round rod (15). The two ends of the spring (17) are... The crossbar (7) is fixedly connected to the support sleeve (13) and the drive unit (16) respectively. A friction strip (18) is fixedly connected to the bottom of the crossbar (7). The friction strip (18) contacts the surface of the drive unit (16) and the two are transmitted through friction. A gear ring (19) is fixedly installed at the other end of the support sleeve (13). A first motor (20) is fixedly installed on the bracket (12). A gear (21) is fixedly installed at the output shaft end of the first motor (20). The gear (21) meshes with the gear ring (19).

5. The transfer device for bicycle wheel hub processing as described in claim 4, characterized in that, One end of the round rod (15) passes through the support sleeve (13) and is slidably mounted on the support sleeve (13). A cam (22) is rotatably mounted inside the support sleeve (13). The cam (22) is in contact with the end of the round rod (15). A second motor (23) is fixedly mounted on the bracket (12). The output shaft of the second motor (23) is fixedly connected to the cam (22).

6. The transfer device for processing bicycle wheel hubs as described in claim 5, characterized in that, A first rotating shaft (24) is rotatably mounted on the base (1). A spring telescopic rod (25) is mounted on the lower end of the first rotating shaft (24). A turntable (26) is fixedly connected to the movable end of the spring telescopic rod (25). A cotton ring (27) is fixedly connected to the bottom of the turntable (26). A first magnet (28) is fixedly connected to the first rotating shaft (24). A second magnet (29) is fixedly connected to the turntable (26).

7. The transfer device for bicycle wheel hub processing as described in claim 6, characterized in that, A second rotating shaft (30) is rotatably mounted on the base (1), and a transmission shaft (31) is rotatably mounted on the base (1). The two ends of the second rotating shaft (30) extend to the first rotating shaft (24) and the transmission shaft (31). A first bevel gear (32) is installed on the opposite ends of the second rotating shaft (30) and the first rotating shaft (24). The two first bevel gears (32) mesh. A second bevel gear (33) is installed on the opposite ends of the second rotating shaft (30) and the transmission shaft (31). The two second bevel gears (33) mesh.

8. The transfer device for bicycle wheel hub processing as described in claim 7, characterized in that, Both the vertical shaft (4) and the transmission shaft (31) are fixedly mounted with pulleys (34), and a synchronous belt (35) is installed between the two pulleys (34).

9. The transfer device for processing bicycle wheel hubs as described in claim 1, characterized in that, A flexible gasket is placed inside the annular groove (8).

10. The transfer device for processing bicycle wheel hubs as described in claim 7, characterized in that, An isolation cover (36) is fixedly installed on the base (1). The isolation cover (36) is fixedly installed outside the second rotating shaft (30), the first bevel gear (32), and the second bevel gear (33).

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