Fan aluminum sleeve shaft-in machine

Abstract

The utility model discloses a fan aluminum sleeve shaft-in machine which comprises a machine frame, a rotating disc, a one-way bearing, a driving air cylinder, a gear, a rack, a bearing bottom frame, a first vibration disc and a second vibration disc. A sleeve feeding station, a shaft conveying station, a shaft pressing station and a discharging station are arranged on the machine frame, and a first air cylinder and a punching head are arranged on the shaft pressing station. A second air cylinder and a discharging rod are arranged on the discharging station, the driving air cylinder is matched with a gear and a rack and limited by the steering direction of a one-way bearing so as to drive the rotary disc to rotate on the sleeve feeding station, the shaft conveying station, the shaft pressing station and the discharging station in a reciprocating mode, and the rotary disc is provided with a material embedding groove for bearing a shaft sleeve body and a shaft falling hole for bearing a shaft. The whole process of feeding of the shaft sleeve main body, feeding of the shaft, pressing of the shaft into the shaft sleeve main body and discharging is automatically completed through rotation of the rotating disc, so that the labor cost is saved, and the production process is automatic.

Description

Technical Field

[0001] The utility model relates to the field of fans, in particular to an aluminum sleeve shaft machine for fans. Background Art

[0002] A cross-flow fan is a type of fan. Referring to the cross-flow fan assembly and electric heater disclosed in patent number 201811067386.2, the cross-flow fan uses several discs to fix all the blades, and the disc includes an aluminum sleeve in the middle and a disc-shaped plate on the periphery. During production, the aluminum sleeve is generally produced separately from the shaft and the outer aluminum sleeve body, and then the shaft is pressed into the shaft hole on the surface of the aluminum sleeve body through a stamping machine to complete the processing. The current method of inserting the aluminum sleeve into the shaft is to manually place the aluminum sleeve body on the mold of the stamping machine, and then manually pre-install the shaft into the shaft hole of the aluminum sleeve body, and then perform stamping and installation. After the installation is completed, the finished aluminum sleeves are collected. This method is time-consuming and labor-intensive, and consumes a lot of labor, so the labor cost remains high. Utility Model Content

[0003] In order to solve the above problems, the purpose of the present utility model is to provide a fan aluminum sleeve shaft-inserting machine which can automatically press the shaft into the aluminum sleeve body.

[0004] The technical solution adopted by the utility model to solve the problem is: a fan aluminum sleeve shaft machine, comprising:

[0005] A frame, wherein the frame is provided with a sleeve loading station, a shaft feeding station, a shaft pressing station and a material unloading station;

[0006] A turntable, wherein a plurality of embedding grooves are evenly arranged at the bottom of the outer circumference of the turntable, an axis drop hole is arranged on the upper surface of the turntable penetrating to the center of each embedding groove, and a rotating shaft is arranged at the bottom center of the turntable. During the rotation of the turntable, the turntable passes through the sleeve-on station, the shaft-feeding station, the shaft-pressing station and the unloading station in sequence;

[0007] A one-way bearing, wherein the one-way bearing is sleeved on the rotating shaft, and a gear is sleeved on the outer periphery of the one-way bearing;

[0008] A driving cylinder, wherein the output end of the driving cylinder is provided with a rack meshing with the gear, and the driving cylinder drives the rack to perform a back-and-forth reciprocating motion;

[0009] The receiving chassis is arranged at the front end from the upper sleeve station to the unloading station, and the receiving chassis is located at the bottom of the turntable for receiving the embedded material groove between the upper sleeve station and the unloading station;

[0010] A first vibrating plate, wherein the output end of the first vibrating plate is provided with a material conveying guide groove extending to the upper sleeve station and located outside the embedding groove;

[0011] The second vibrating disk, and a guide shaft tube extending to the shaft feeding station is arranged at the output end of the second vibrating disk;

[0012] The first cylinder is arranged directly above the shaft pressing station, and a punching head is arranged at the output end of the first cylinder directly above the shaft dropping hole in the shaft pressing station;

[0013] The second cylinder is arranged directly above the blanking station, and a blanking rod is arranged at the output end of the second cylinder directly above the shaft dropping hole in the blanking station;

[0014] The material guiding channel, the front end of which extends to the blanking station and is located below the turntable.

[0015] As a further improvement of the above technical solution, a reciprocating plate drive, a moving guide groove located above the turntable, a reciprocating plate arranged in the moving guide groove and connected with the reciprocating plate drive are arranged at the shaft feeding station. A bearing shaft hole is arranged on the reciprocating plate. The reciprocating plate reciprocates between the lower shaft position and the bearing shaft position through the reciprocating plate drive. The end of the guide shaft tube is located directly above the bearing shaft position. When the material embedding groove moves to the shaft feeding station, the shaft dropping hole matched with it is located directly below the lower shaft position. A thimble located directly above the lower shaft position and a driver for driving the thimble to lift and lower are also arranged at the shaft feeding station.

[0016] As a further improvement of the above technical solution, a bottom plate is arranged above the turntable. The moving guide groove and the reciprocating plate are arranged on the bottom plate. An auxiliary hole penetrating up and down is arranged on the bottom plate at the lower shaft position.

[0017] As a further improvement of the above technical solution, a mounting frame is arranged on the frame. The bottom plate is arranged in the middle of the mounting frame. A mounting plate is arranged above the bottom plate on the mounting frame. The first cylinder is mounted on the mounting plate. The reciprocating plate drive is arranged on the upper surface of the bottom plate and below the mounting plate. An extension plate is arranged on the bottom plate. The second cylinder is fixed on the extension plate. The guide shaft tube passes through the mounting plate and its end is located directly above the bearing shaft position. An L-shaped plate is arranged on the upper surface of the bottom plate. The driver is arranged on the L-shaped plate.

[0018] As a further improvement of the above technical solution, a positioning disk is arranged at the bottom of the turntable. Conical notches equal in number to the material embedding grooves are evenly arranged around the positioning disk. A positioning cylinder is arranged on the frame. A conical positioning pin for engaging with the positioning notch is arranged at the output end of the positioning cylinder.

[0019] As a further improvement of the above technical solution, the material embedding groove is in transitional fit with the aluminum sleeve body.

[0020] As a further improvement of the above technical solution, the turntable includes an upper disc body and a lower disc body, the material embedding groove is arranged on the outer periphery of the lower disc body, and the shaft drop hole is arranged on the surface of the upper disc body.

[0021] As a further improvement of the above technical solution, the material conveying guide trough includes a front trough at the front end and a tail trough at the rear end which is inclined at a certain angle to the front trough. When the embedding trough is located at the upper sleeve station, the end of the tail trough is opposite to the embedding trough. A top hole is provided on the inner wall at the front end of the tail trough. A push rod and a loading cylinder that drives the push rod along the top hole into the tail trough are provided at the outer end of the material conveying guide trough. The push rod overlaps with the axis of the tail trough.

[0022] As a further improvement of the above technical solution, the angle between the end of the front groove and the tail groove is 30-150 degrees.

[0023] The technical solution adopted by the utility model to solve the problem is as follows: the aluminum sleeve body is poured into the first vibrating plate and the shaft is poured into the second vibrating plate. The first vibrating plate adjusts the orientation of the aluminum sleeve body by vibration so that it keeps the same direction and enters the feeding guide groove. Then the aluminum sleeve body moves along the feeding guide groove to the embedding groove located in the upper sleeve station. The receiving chassis under the turntable ensures that the aluminum sleeve body in the embedding groove will not fall off. Then the cylinder is driven to drive the rack to make a reciprocating motion. Since the wheel and the gear are connected by a one-way bearing, one feeding motion of the rack will drive the turntable to rotate one station, so that the aluminum sleeve body follows the turntable to rotate to the shaft feeding station, and the second vibrating plate drives the shaft to move in the axial direction into the guide shaft tube, and It falls to the surface of the turntable along the direction guided by the guide shaft tube, so that when the turntable rotates to move the embedding trough to the shaft feeding station, the shaft slides directly into the shaft dropping hole on the turntable surface and is located on the surface of the aluminum sleeve body, thereby completing the initial positioning; then the wheel rotates again to drive the aluminum sleeve body and the shaft to move to the shaft pressing station, at this time the first cylinder drives the punch head to press down to the top of the shaft, and punches the shaft into the aluminum sleeve body to complete the assembly; then the wheel rotates again to move to the unloading station, and then the second cylinder drives the blanking rod to press down to push the aluminum sleeve downward from the embedding trough, so that the aluminum sleeve moves along the guide channel to the specified position for collection. Through this solution, the assembly process of the aluminum sleeve is fully automated, thereby saving a lot of labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further explained below with reference to the accompanying drawings and specific implementation methods.

[0025] Figure 1 This is a schematic structural diagram of a preferred embodiment of the present utility model;

[0026] Figure 2 It is a schematic diagram of the corresponding structure on the shaft feeding station;

[0027] Figure 3 is a schematic diagram of a turntable and corresponding structure;

[0028] Figure 4 For Figure 3 exploded view of Detailed implementation mode

[0029] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0030] In the description of the present invention, it should be understood that with regard to the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present invention.

[0031] In the description of the present invention, the meaning of several is one or more, the meaning of multiple is two or more. Understanding greater than, less than, exceeding, etc. does not include the present number, and understanding above, below, within, etc. includes the present number. If the first and second are described only for the purpose of distinguishing technical features, they should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meaning of the above words in the present invention in combination with the specific content of the technical solution.

[0033] Refer to Figures 1 to 4 , a fan aluminum sleeve into the shaft machine, comprising:

[0034] A frame 10, on which an upper sleeve station 11, a shaft feeding station 12, a pressing shaft station 13 and a blanking station 14 are provided;

[0035] A turntable 20, on the bottom outer peripheral surface of which a plurality of material embedding grooves 221 are uniformly provided. On the upper surface of the turntable 20, a shaft dropping hole 211 penetrating to the center of each material embedding groove 221 is provided. A rotating shaft is provided at the bottom center of the turntable 20. During the rotation of the turntable 20, it sequentially passes through the upper sleeve station 11, the shaft feeding station 12, the pressing shaft station 13 and the blanking station 14;

[0036] One-way bearing 30, the one-way bearing 30 is sleeved on the rotating shaft, and a gear 31 is sleeved on the outer periphery of the one-way bearing 30;

[0037] Drive cylinder 40, a rack 41 meshing with the gear 31 is arranged at the output end of the drive cylinder 40, and the drive cylinder 40 drives the rack 41 to move back and forth;

[0038] Carrying chassis 50, the carrying chassis 50 is arranged at the front end of the upper sleeve station 11 to the blanking station 14, and the carrying chassis 50 is located at the bottom of the turntable 20 and is used to carry the embedding material groove 221 in the interval between the upper sleeve station 11 and the blanking station 14;

[0039] First vibrating disk 60, a feeding guide groove 61 extending to the upper sleeve station 11 and located outside the embedding material groove 221 is arranged at the output end of the first vibrating disk 60;

[0040] Second vibrating disk 70, a guide shaft tube 71 extending to the shaft feeding station 12 is arranged at the output end of the second vibrating disk 70;

[0041] First cylinder 131, the first cylinder 131 is arranged directly above the pressing shaft station 13, and a punching head is arranged at the output end of the first cylinder 131 directly above the shaft dropping hole 211 in the pressing shaft station 13;

[0042] Second cylinder 141, the second cylinder 141 is arranged directly above the blanking station 14, and a blanking rod is arranged at the output end of the second cylinder 141 directly above the shaft dropping hole 211 in the blanking station 14;

[0043] Material guiding channel 80, the front end of the material guiding channel 80 extends to the blanking station 14 and is located below the turntable 20.

[0044] The aluminum sleeve body is poured into the first vibrating plate 60 and the shaft is poured into the second vibrating plate 70. The first vibrating plate 60 adjusts the orientation of the aluminum sleeve body by vibration so that it keeps entering the feeding guide groove 61 in the same direction. Then the aluminum sleeve body moves along the feeding guide groove 61 to the embedding groove 221 located in the upper sleeve station 11. The receiving chassis 50 under the turntable 20 ensures that the aluminum sleeve body in the embedding groove 221 will not fall off; then the cylinder 40 is driven to drive the rack 41 to make a reciprocating motion. Since the wheel and the gear 31 are connected by a one-way bearing 30, a feeding motion of the rack 41 will drive the turntable 20 to rotate one station, so that the aluminum sleeve body follows the turntable 20 to rotate to the shaft feeding station 12, and the second vibrating plate 70 drives the shaft to move in the axial direction into the guide shaft tube 71 and along the guide shaft tube 7 1 falls to the surface of the turntable 20 in the direction of guidance, so that when the turntable 20 rotates to make the embedding groove 221 move to the shaft feeding station 12, the shaft directly slides into the shaft dropping hole 211 on the surface of the turntable 20 and is located on the surface of the aluminum sleeve body, thereby completing the preliminary positioning; then the wheel rotates again to drive the aluminum sleeve body and the shaft to move to the shaft pressing station 13, at this time the first cylinder 131 drives the punch head to press down to the top of the shaft, and punches the shaft into the aluminum sleeve body to complete the assembly; then the wheel rotates again to move to the blanking station 14, and then the second cylinder 141 drives the blanking rod to press down to push the aluminum sleeve downward from the embedding groove 221, so that the aluminum sleeve moves along the guide channel 80 to the specified position for collection. Through this solution, the assembly process of the aluminum sleeve is fully automated, thereby saving a lot of labor costs.

[0045] In the above solution, the guide shaft tube 71 can directly extend to the upper surface of the turntable 20, so that during the movement of the turntable 20, the shaft directly falls into the shaft dropping hole 211 on the surface of the turntable 20. However, in order to make the feeding process of the shaft more stable, it is preferred that a reciprocating plate drive 93, a moving guide groove 91 located above the turntable 20, and a reciprocating plate 92 disposed in the moving guide groove 91 and connected to the reciprocating plate drive 93 are provided at the shaft feeding station 12. A bearing shaft hole 921 is provided on the reciprocating plate 92. The reciprocating plate 92 reciprocates between the lower shaft position and the bearing shaft position through the reciprocating plate drive 93. The end of the guide shaft tube 71 is located directly above the bearing shaft position. When the material embedding groove 221 moves to the shaft feeding station 12, the corresponding shaft dropping hole 211 is located directly below the lower shaft position. A thimble located directly above the lower shaft position and a driver 94 for driving the thimble to lift and lower are also provided at the shaft feeding station 12. Further optimized, it is preferred that a bottom plate 90 is provided above the turntable 20. The moving guide groove 91 and the reciprocating plate 92 are disposed on the bottom plate 90. An auxiliary hole penetrating up and down is provided on the bottom plate 90 at the lower shaft position. During operation, the reciprocating plate drive 93 first drives the reciprocating plate 92 to move to the bearing shaft position, so that the shaft falls from the guide shaft tube 71 into the bearing shaft hole 921 on the reciprocating plate 92. Due to the action of the bottom plate 90, the shaft will be firmly inserted into the bearing shaft hole 921 at this time. When the turntable 20 moves one position, when the corresponding material embedding groove 221 and shaft dropping hole 211 are located directly below the lower shaft position, the reciprocating plate drive 93 drives the reciprocating plate 92 to move to the lower shaft position. Due to the matching auxiliary hole provided on the bottom plate 90, the shaft can smoothly fall into the shaft dropping hole 211 on the surface of the turntable 20 at this time. At the same time, the driver 94 drives the thimble to press down, so as to push the shaft downward, so as to ensure that the shaft completely falls into the shaft dropping hole 211, thus avoiding the phenomenon that half of the shaft falls into the shaft dropping hole 211 while the other half is still in the bearing shaft hole 921.

[0046] Further optimized, in order to optimize the structural layout, it is preferred that a mounting bracket is provided on the frame 10. The bottom plate 90 is disposed in the middle of the mounting bracket. A mounting plate 95 is provided above the bottom plate 90 on the mounting bracket. The first cylinder 131 is mounted on the mounting plate 95. The reciprocating plate drive 93 is disposed on the upper surface of the bottom plate 90 and below the mounting plate 95. An extension plate is provided on the bottom plate 90. The second cylinder 141 is fixed on the extension plate. The guide shaft tube 71 passes through the mounting plate 95 and its end is located directly above the bearing shaft position. An L-shaped plate 931 is provided on the upper surface of the bottom plate 90. The driver 94 is disposed on the L-shaped plate 931.

[0047] For further optimization, to ensure the accuracy when the turntable 20 rotates, it is preferred that a positioning disc 23 is provided at the bottom of the turntable 20. A plurality of tapered notches 231 equal in number to the number of the material-inserting grooves 221 are evenly arranged around the positioning disc 23. A positioning cylinder 232 is provided on the frame 10, and a tapered positioning pin 233 for engaging with the positioning notch is provided at the output end of the positioning cylinder 232. After the driving cylinder 40 drives the turntable 20 to make a single one-way rotation, the positioning cylinder 232 drives the tapered positioning pin 233 to insert into the corresponding tapered notch 231. The shape of the tapered positioning pin 233 and the tapered notch 231 are used to fix the turntable 20 and ensure the position accuracy of the turntable 20.

[0048] In this solution, it is preferred that the material-inserting groove 221 is in transitional fit with the aluminum sleeve body. When the aluminum sleeve body is pushed into the material-inserting groove 221, on one hand, the material-inserting groove 221 can play a certain fixing role, and on the other hand, the position of the aluminum sleeve body can be ensured by the shape of the groove body of the material-inserting groove 221. In other embodiments, an inclined surface can also be provided at the bottom of the material-inserting groove 221, so that the aluminum sleeve body is automatically positioned when it enters the material-inserting groove 221.

[0049] For the convenience of processing, it is preferred that the turntable 20 includes an upper disc body 21 and a lower disc body 22. The material-inserting groove 221 is arranged on the outer periphery of the lower disc body 22, and the dropping shaft hole 211 is arranged on the surface of the upper disc body 21.

[0050] In the above solution, the sleeve body can be pushed forward by the sleeve body at the rear, so as to push the previous sleeve body into the material-inserting groove 221. For further optimization, to ensure that the sleeve body can smoothly and accurately enter the material-inserting groove 221, it is preferred that the material-feeding guide groove 61 includes a front groove 611 at the front end and a tail groove 612 at the rear end with a certain inclination angle with respect to the front groove 611. When the material-inserting groove 221 is at the upper sleeve station 11, the end of the tail groove 612 is directly opposite to the material-inserting groove 221. A jacking hole is provided on the inner wall of the front end of the tail groove 612. A jacking rod and a feeding cylinder 62 for driving the jacking rod to enter the tail groove 612 along the jacking hole are provided at the outer end of the material-feeding guide groove 61. The jacking rod overlaps with the axis of the tail groove 612. Thus, during operation, the last sleeve body enters to the end of the front groove 611, and at this time it is also just located at the top end of the tail groove 612. Then, the feeding cylinder 62 drives the jacking rod to push the sleeve body into the material-inserting groove 221, so as to ensure the accuracy of feeding. It is preferred that the included angle between the end of the front groove 611 and the tail groove 612 is 30 - 150 degrees.

[0051] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A fan aluminum sleeve into the shaft machine, characterized in that, include: A frame (10), wherein the frame (10) is provided with a sleeve-loading station (11), a shaft-feeding station (12), a shaft-pressing station (13) and a material-cutting station (14); A turntable (20), wherein a plurality of embedding grooves (221) are evenly arranged at the bottom of the outer peripheral surface of the turntable (20), an axis drop hole (211) is arranged on the upper surface of the turntable (20) and passes through the center of each embedding groove (221), a rotating shaft is arranged at the center of the bottom of the turntable (20), and the turntable (20) passes through the upper sleeve station (11), the axis feeding station (12), the axis pressing station (13) and the unloading station (14) in sequence during the rotation process; A one-way bearing (30), wherein the one-way bearing (30) is sleeved on the rotating shaft, and a gear (31) is sleeved on the outer periphery of the one-way bearing (30); A driving cylinder (40), wherein an output end of the driving cylinder (40) is provided with a rack (41) meshing with the gear (31), and the driving cylinder (40) drives the rack (41) to perform a back-and-forth reciprocating motion; A receiving base frame (50), the receiving base frame (50) is arranged at the front end of the upper sleeve station (11) to the blanking station (14), and the receiving base frame (50) is located at the bottom of the turntable (20) for receiving the embedded material groove (221) located in the interval between the upper sleeve station (11) and the blanking station (14); A first vibration plate (60), wherein the output end of the first vibration plate (60) is provided with a material conveying guide groove (61) extending to the upper sleeve station (11) and located outside the embedding groove (221); A second vibration disk (70), wherein the output end of the second vibration disk (70) is provided with a guide shaft tube (71) extending to the shaft delivery station (12); A first cylinder (131), the first cylinder (131) is arranged directly above the shaft pressing station (13), and an output end of the first cylinder (131) is provided with a punch head directly above the shaft dropping hole (211) in the shaft pressing station (13); A second cylinder (141), the second cylinder (141) is arranged directly above the blanking station (14), and an output end of the second cylinder (141) is provided with a blanking rod directly above the shaft-dropping hole (211) in the blanking station (14); A material guiding channel (80), the front end of which extends to the unloading station (14) and is located below the turntable (20).

2. The fan aluminum sleeve shaft machine according to claim 1, characterized in that: A reciprocating plate drive (93), a moving guide groove (91) located above the turntable (20), and a reciprocating plate (92) disposed in the moving guide groove (91) and connected to the reciprocating plate drive (93) are provided on the shaft feeding station (12). A shaft receiving hole (921) is provided on the reciprocating plate (92). The reciprocating plate (92) reciprocates between a lower shaft position and a shaft receiving position through the reciprocating plate drive (93). The end of the guide shaft tube (71) is located directly above the shaft receiving position. When the material embedding groove (221) moves to the shaft feeding station (12), the corresponding shaft dropping hole (211) is located directly below the lower shaft position. A thimble located directly above the lower shaft position and a driver (94) for driving the thimble to lift and lower are also provided on the shaft feeding station (12).

3. The aluminum sleeve shaft inserting machine for a fan according to claim 2, wherein: A bottom plate (90) is provided above the turntable (20). The moving guide groove (91) and the reciprocating plate (92) are disposed on the bottom plate (90). An auxiliary hole penetrating up and down is provided on the bottom plate (90) at the lower shaft position.

4. The aluminum sleeve shaft inserting machine for a fan according to claim 3, wherein: An installation frame is provided on the frame (10). The bottom plate (90) is disposed in the middle of the installation frame. An installation plate (95) is provided above the bottom plate (90) on the installation frame. The first cylinder (131) is installed on the installation plate (95). The reciprocating plate drive (93) is disposed on the upper surface of the bottom plate (90) and below the installation plate (95). An extension plate is provided on the bottom plate (90). The second cylinder (141) is fixed on the extension plate. The guide shaft tube (71) passes through the installation plate (95) and its end is located directly above the shaft receiving position. An L-shaped plate (931) is provided on the upper surface of the bottom plate (90). The driver (94) is disposed on the L-shaped plate (931).

5. The aluminum sleeve shaft inserting machine for a fan according to claim 1, wherein: A positioning disk (23) is provided at the bottom of the turntable (20). A plurality of tapered notches (231) equal in number to the material embedding grooves (221) are uniformly provided around the positioning disk (23). A positioning cylinder (232) is provided on the frame (10). The output end of the positioning cylinder (232) is provided with a tapered positioning pin (233) for engaging with the positioning notch.

6. The aluminum sleeve shaft inserting machine for a fan according to claim 1, wherein: The material embedding groove (221) is in transitional fit with the aluminum sleeve body.

7. The aluminum sleeve shaft inserting machine for a fan according to claim 1, wherein: The turntable (20) includes an upper disk body (21) and a lower disk body (22). The material embedding groove (221) is provided on the outer periphery of the lower disk body (22). The shaft dropping hole (211) is provided on the surface of the upper disk body (21).

8. The aluminum sleeve shaft inserting machine for a fan according to claim 1 or 7, wherein: The material feeding guide groove (61) includes a front groove (611) at the front end and a tail groove (612) at the rear end with a certain inclination angle with respect to the front groove (611). When the material embedding groove (221) is located at the upper sleeve station (11), the end of the tail groove (612) faces the material embedding groove (221). A top hole is provided on the inner wall at the front end of the tail groove (612). A top rod and a feeding cylinder (62) for driving the top rod to enter the tail groove (612) along the top hole are provided at the outer end of the material feeding guide groove (61). The top rod overlaps with the axis of the tail groove (612).

9. The aluminum sleeve inserting machine for a fan according to claim 8, wherein: The included angle between the end of the front groove (611) and the tail groove (612) is 30 - 150 degrees.

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