Fan motor machining die facilitating clamping and fixing

By designing molds for fan motor processing, including molds with clamping mechanisms and heat dissipation mechanisms, the problem of existing equipment not being able to clamp firmly during processing is solved, more efficient clamping and faster heat dissipation are achieved, and product performance and processing efficiency are improved.

CN222569035UActive Publication Date: 2025-03-07SHENYANG RUIJIDE MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421308427.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-07
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing equipment cannot be firmly clamped and fixed during use, resulting in sliding during processing and reducing product performance.

Method used

A fan motor processing mold is designed, including a clamping mechanism and a heat dissipation mechanism. The clamping mechanism drives the gears and discs to rotate through the first motor in the driving part, and drives the movable plate and the slide rod to move, thereby realizing clamping of the clamping plate. The heat dissipation mechanism uses an electric telescopic rod to drive the slide plate to move, and the second motor drives the bevel gears and fan blades to rotate to achieve rapid heat dissipation.

Benefits of technology

Through the stable clamping mechanism, the shaking problem caused by clamping instability is solved and the working efficiency is improved. At the same time, the fast heat dissipation mechanism effectively improves the service life and processing accuracy of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a fan motor machining die convenient to clamp and fix. A workbench is arranged on the top faces of the supporting legs, the bottom face of the workbench is fixedly connected with the top faces of the supporting legs, a door-shaped plate is arranged on the top face of the workbench, the bottom face of the door-shaped plate is fixedly connected with the top face of the workbench, a machining machine is arranged on the inner side face of the door-shaped plate, and the top face of the machining machine is fixedly connected with the top face of the inner side of the door-shaped plate. A clamping mechanism and a heat dissipation mechanism are arranged on the inner side face of the door-shaped plate. According to the clamping mechanism, a first motor in a driving part is utilized, so that a gear is driven to rotate under the rotation of the first motor, a disc is driven to rotate when the gear rotates, a movable plate is driven to drive a sliding rod to move under the rotation of the disc, a middle linear plate is driven to slide through a right movable plate, and a clamping plate is driven to clamp; therefore, shaking and the like caused by unstable clamping are avoided, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of advanced manufacturing and automation, in particular to a fan motor processing mould which is convenient for clamping and fixing. Background Art

[0002] Moulds are various molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, moulds are tools used to make shaped objects. This tool is composed of various parts, and different moulds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the material being formed.

[0003] Compared with the prior art: since the prior art equipment cannot be firmly clamped and fixed during use, it causes sliding during processing, thereby reducing product performance.

[0004] Therefore, a fan motor processing mold which is convenient for clamping and fixing is proposed. Utility Model Content

[0005] The utility model aims to provide a fan motor processing mold which is convenient for clamping and fixing, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fan motor processing mold that is convenient for clamping and fixing, comprising a support leg, a workbench is arranged on the top surface of the support leg, the bottom surface of the workbench is fixedly connected to the top surface of the support leg, a door-shaped plate is arranged on the top surface of the workbench, the bottom surface of the door-shaped plate is fixedly connected to the top surface of the workbench, a processing machine is arranged on the inner side surface of the door-shaped plate, the top surface of the processing machine is fixedly connected to the inner top surface of the door-shaped plate, and a clamping mechanism and a heat dissipation mechanism are arranged on the inner side surface of the door-shaped plate; the clamping mechanism comprises a driving part and a clamping part; the clamping part is located on the right side surface of the driving part; the heat dissipation mechanism comprises a moving part and a heat dissipation part; the heat dissipation part is located on the left side surface of the moving part.

[0007] Preferably, the driving part includes a fixed plate, the right side surface of the fixed plate is fixedly connected to the left side surface of the workbench, the top surface of the fixed plate is provided with two vertical plates, the bottom surfaces of the two vertical plates are fixedly connected to the top surface of the fixed plate, the inner sides of the two vertical plates are provided with a first motor, the bottom surface of the first motor is fixedly connected to the top surface of the fixed plate, a light rod is provided on the right side of the first motor, the bottom end surface of the light rod is rotatably connected to the top surface of the fixed plate through a bearing seat, two gears are provided on the top end of the light rod, the bottom surface of the right gear is fixedly connected to the top surface of the light rod, and the bottom surface of the left gear is fixedly connected to the output end surface of the first motor, and the gear is driven by the first motor.

[0008] Preferably, the outer end surfaces of the two gears are meshingly connected, two discs are provided on the top surfaces of the two gears, the bottom surfaces of the two discs are fixedly connected to the top surfaces of the two gears, two movable plates are provided above the two discs, two rotating rods are provided on the inner sides of the two movable plates, the bottom end surfaces of the two rotating rods are fixedly connected to the top surfaces of the two discs, the inner sides of the two movable plates are movably connected to the surfaces of the two rotating rods, and the discs are driven by the gears, so that the discs drive the movable rods and the rotating rods.

[0009] Preferably, the clamping part includes three I-shaped plates, the inner side surfaces of the two I-shaped plates on the left are movably connected to the outer side surfaces of the two movable plates, two sliding rods are provided on the inner side surfaces of the three I-shaped plates, two sliding rod surfaces are slidably connected to the inner walls of the two vertical plates, two outer end surfaces of the sliding rods are fixedly connected to the inner side surfaces of the two outer I-shaped plates, two sliding rod surfaces extend through and extend to the outer side of the middle I-shaped plate, two sliding rod surfaces are slidably connected to the inner wall of the middle I-shaped plate, and mobile clamping is performed through the I-shaped plates.

[0010] Preferably, two sliding blocks are provided on the surfaces of the two sliding bars, and the inner walls of the two sliding blocks are slidably connected to the surfaces of the two sliding blocks, so that the sliding blocks drive the sliding bars to move stably through the sliding blocks.

[0011] Preferably, two clamping plates are arranged on the inner sides of the two sliding blocks, and the outer sides of the two clamping plates are fixedly connected to the inner sides of the two right-side straight plates and are clamped by the clamping plates.

[0012] Preferably, the moving part includes an electric telescopic rod, the front side surface of the electric telescopic rod is fixedly connected to the front side surface of the right side of the door-type plate, a guide rod is arranged below the electric telescopic rod, the outer end surface of the guide rod is fixedly connected to the inner side surface of the right side of the door-type plate, a slide plate is sleeved on the surface of the guide rod, the inner wall of the slide plate is slidably connected to the surface of the guide rod, the front side surface of the slide plate is fixedly connected to the output end surface of the electric telescopic rod, and the slide plate is driven to move and dissipate heat through the electric telescopic rod.

[0013] Preferably, the heat dissipation part includes a fixed block, the right side surface of the fixed block is fixedly connected to the left side surface of the skateboard, the top surface of the fixed block is provided with a second motor, the bottom surface of the second motor is fixedly connected to the top surface of the fixed block, the output end surface of the second motor is provided with a first bevel gear, the rear side surface of the first bevel gear is fixedly connected to the output end surface of the second motor, the outer end surface of the first bevel gear is provided with a second bevel gear, the outer end surface of the second bevel gear is meshingly connected with the outer end surface of the first bevel gear, the inner side surface of the second bevel gear is provided with a rotating rod, the surface of the rotating rod is fixedly connected to the inner wall of the second bevel gear, the right end surface of the rotating rod is rotatably connected to the left side surface of the skateboard through a second bearing seat, the surface of the rotating rod is sleeved with a fan blade, the inner side surface of the fan blade is fixedly connected to the surface of the rotating rod, and the rotating rod is driven by the second bevel gear, so that the rotating rod drives the fan blade.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the fan motor processing mold which is convenient for clamping and fixing is

[0015] 1) The clamping mechanism utilizes the first motor in the driving part, so that the gear is driven to rotate when the first motor rotates, and the disc is driven to rotate when the gear rotates, so that the movable plate drives the slide bar to move when the disc rotates, so that the middle side straight plate is driven to slide through the right movable plate, so as to drive the clamping plate to clamp, so as to solve the problem of shaking caused by unstable clamping, thereby improving work efficiency;

[0016] 2) The electric telescopic rod in the moving part is used to drive the slide plate to move through the heat dissipation mechanism, thereby driving the first bevel gear and the second bevel gear to rotate through the second motor, thereby driving the fan blades, and the mold can be effectively and quickly cooled. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a bottom-up stereoscopic schematic diagram of the structure of the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the clamping structure of the utility model;

[0020] Figure 4 It is a three-dimensional schematic diagram of the disc of the clamping structure of the utility model;

[0021] Figure 5 It is a three-dimensional schematic diagram of the heat dissipation structure of the utility model.

[0022] In the figure: 1 supporting leg, 2 working table, 3 door plate, 4 clamping mechanism, 41 driving part, 42 clamping part, 411 fixed plate, 412 vertical plate, 413 first motor, 414 polished rod, 415 gear, 416 disc, 417 movable plate, 418 rotating rod, 421 straight plate, 422 sliding rod, 423 slider, 424 clamping plate, 5 heat dissipation mechanism, 51 moving part, 52 heat dissipation part, 511 electric telescopic rod, 512 guide rod, 513 slide plate, 521 fixed block, 522 second motor, 523 first bevel gear, 524 second bevel gear, 525 fan blade, 6 processing machine. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-Figure 4 The utility model provides a technical solution: a fan motor processing mold that is convenient for clamping and fixing, including: a supporting leg 1, a workbench 2 is arranged on the top surface of the supporting leg 1, the bottom surface of the workbench 2 is fixedly connected to the top surface of the supporting leg 1, a door-shaped plate 3 is arranged on the top surface of the workbench 2, the bottom surface of the door-shaped plate 3 is fixedly connected to the top surface of the workbench 2, a processing machine 6 is arranged on the inner side surface of the door-shaped plate 3, the top surface of the processing machine 6 is fixedly connected to the inner top surface of the door-shaped plate 3, and a clamping mechanism 4 and a heat dissipation mechanism 5 are arranged on the inner side surface of the door-shaped plate 3; the clamping mechanism 4 includes a driving part 41 and a clamping part 42; the clamping part 42 is located on the right side surface of the driving part 41; the heat dissipation mechanism 5 includes a moving part 51 and a heat dissipation part 52; the heat dissipation part 52 is located on the left side surface of the moving part 51.

[0026] The driving part 41 includes a fixed plate 411, the right side surface of the fixed plate 411 is fixedly connected to the left side surface of the workbench 2, two vertical plates 412 are arranged on the top surface of the fixed plate 411, the bottom surfaces of the two vertical plates 412 are fixedly connected to the top surface of the fixed plate 411, the inner sides of the two vertical plates 412 are arranged with a first motor 413, the bottom surface of the first motor 413 is fixedly connected to the top surface of the fixed plate 411, a light rod 414 is arranged on the right side of the first motor 413, the bottom end surface of the light rod 414 is rotatably connected to the top surface of the fixed plate 411 through a bearing seat 1, two gears 415 are arranged on the top of the light rod 414, the bottom surface of the right gear 415 is fixedly connected to the top surface of the light rod 414, and the bottom surface of the left gear 415 is fixedly connected to the output end surface of the first motor 413.

[0027] The outer end surfaces of the two gears 415 are meshed and connected, two discs 416 are provided on the top surfaces of the two gears 415, the bottom surfaces of the two discs 416 are fixedly connected to the top surfaces of the two gears 415, two movable plates 417 are provided above the two discs 416, two rotating rods 418 are provided on the inner sides of the two movable plates 417, the bottom end surfaces of the two rotating rods 418 are fixedly connected to the top surfaces of the two discs 416, and the inner sides of the two movable plates 417 are movably connected to the surfaces of the two rotating rods 418.

[0028] The clamping portion 42 includes three I-shaped plates 421, the inner side surfaces of the two I-shaped plates 421 on the left are movably connected to the outer side surfaces of the two movable plates 417, two sliding rods 422 are arranged on the inner side surfaces of the three I-shaped plates 421, the surfaces of the two sliding rods 422 are slidably connected to the inner walls of the two vertical plates 412, the outer end surfaces of the two sliding rods 422 are fixedly connected to the inner side surfaces of the two outer I-shaped plates 421, the surfaces of the two sliding rods 422 extend through and extend to the outer side of the middle I-shaped plate 421, and the surfaces of the two sliding rods 422 are slidably connected to the inner wall of the middle I-shaped plate 421.

[0029] Two sliding blocks 423 are disposed on the surfaces of the two sliding rods 422 , and the inner walls of the two sliding blocks 423 are slidably connected to the surfaces of the two sliding blocks 423 .

[0030] Two clamping plates 424 are disposed inside the two sliding blocks 423 , and the outer side surfaces of the two clamping plates 424 are fixedly connected to the inner side surfaces of the two right straight plates 421 .

[0031] Furthermore, in this embodiment, the clamping mechanism 4 utilizes the first motor 413 in the driving part 41, so that the gear 415 is driven to rotate under the rotation of the first motor 413, so that the disc 416 is driven to rotate when the gear 415 rotates, so that the disc 416 drives the rotating rod 418 to rotate, so that the rotating rod 418 drives the movable plate 417 to move, so that the left movable plate 417 drives the left straight plate 421, so that the straight plate 421 drives the sliding rod 422 to slide on the inner wall of the vertical plate 412 and the sliding block 423, so that the right straight plate 421 approaches to the left, so that the right movable plate 417 drives the middle straight plate 421 through the right movable plate 417, so that the middle straight plate 421 and the right straight plate 421 drive the clamping plate 424 to approach each other, thereby clamping;

[0032] Furthermore, in this embodiment, the clamping mechanism 4 utilizes the first motor 413 in the driving part 41, so that the gear 415 is driven to rotate when the first motor 413 rotates, so that the disc 416 is driven to rotate when the gear 415 rotates, so that the movable plate 417 drives the slide bar 422 to move when the disc 416 rotates, so that the middle side straight plate 421 is driven to slide through the right movable plate 417, so as to drive the clamping plate 424 to clamp, so as to solve the problem of shaking caused by unstable clamping, thereby improving work efficiency;

[0033] Embodiment 2

[0034] See also Figure 1 , Figure 2 , Figure 5, and on the basis of Example 1, it is further obtained that: the moving part 51 includes an electric telescopic rod 511, the front side of the electric telescopic rod 511 is fixedly connected to the front side of the right side of the door-type plate 3, a guide rod 512 is arranged below the electric telescopic rod 511, the outer end surface of the guide rod 512 is fixedly connected to the inner side surface of the right side of the door-type plate 3, a slide plate 513 is sleeved on the surface of the guide rod 512, the inner wall of the slide plate 513 is slidably connected to the surface of the guide rod 512, and the front side of the slide plate 513 is fixedly connected to the output end surface of the electric telescopic rod 511.

[0035] The heat dissipation portion 52 includes a fixed block 521, the right side surface of the fixed block 521 is fixedly connected to the left side surface of the slide plate 513, a second motor 522 is arranged on the top surface of the fixed block 521, the bottom surface of the second motor 522 is fixedly connected to the top surface of the fixed block 521, a first bevel gear 523 is arranged on the output end surface of the second motor 522, the rear side surface of the first bevel gear 523 is fixedly connected to the output end surface of the second motor 522, a second bevel gear 524 is arranged on the outer end surface of the first bevel gear 523, the outer end surface of the second bevel gear 524 is meshedly connected to the outer end surface of the first bevel gear 523, a rotating rod is arranged on the inner side surface of the second bevel gear 524, the surface of the rotating rod is fixedly connected to the inner wall of the second bevel gear 524, the right end surface of the rotating rod is rotatably connected to the left side surface of the slide plate 513 through a second bearing seat, a fan blade 525 is sleeved on the surface of the rotating rod, and the inner side surface of the fan blade 525 is fixedly connected to the surface of the rotating rod.

[0036] Furthermore, in this embodiment, the heat dissipation mechanism 5 utilizes the electric telescopic rod 511 in the moving part 51 to drive the slide plate 513 to slide on the surface of the guide rod 512, so that the slide plate 513 slides, and the second motor 522 drives the first bevel gear 523, so that the first bevel gear 523 drives the second bevel gear 524 to rotate, and the second bevel gear 524 rotates to drive the rotating rod, so that the rotating rod drives the fan blade 525;

[0037] Furthermore, in this embodiment, the heat dissipation mechanism 5 utilizes the electric telescopic rod 511 in the moving part 51 to drive the slide plate 513 to move, thereby driving the first bevel gear 523 and the second bevel gear 524 to rotate through the second motor 522, thereby driving the fan blades 525, which can effectively and quickly dissipate heat for the mold.

[0038] When in use, the operator places it on the inner side of the door-shaped plate 3 and uses the first motor 413 in the driving part 41 through the clamping mechanism 4, so that the first motor 413 rotates and drives the gear 415 to rotate, so that the gear 415 rotates and drives the disc 416 to rotate, so that the disc 416 drives the rotating rod 418 to rotate, so that the rotating rod 418 drives the movable plate 417 to move, so that the left movable plate 417 drives the left straight plate 421, so that the straight plate 421 drives the sliding rod 422 to slide on the inner wall of the vertical plate 412 and the sliding block 423, so that the right straight plate 421 approaches to the left, so that the right side is moved by the right movable plate 417. The movable plate 417 drives the middle side straight plate 421, so that the middle side straight plate 421 and the right side straight plate 421 drive the clamping plate 424 to approach each other, so as to clamp, so as to be processed by the processing machine 6. When processing, the heat dissipation mechanism 5 uses the electric telescopic rod 511 in the moving part 51 to drive the slide plate 513 to slide on the surface of the guide rod 512, so that the slide plate 513 slides, so that the second motor 522 drives the first bevel gear 523, so that the first bevel gear 523 drives the second bevel gear 524 to rotate, so as to drive the rotating rod under the rotation of the second bevel gear 524, so that the rotating rod drives the fan blade 525.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan motor processing mold that is convenient for clamping and fixing, comprising a support leg (1), characterized in that: The top surface of the support leg (1) is provided with a workbench (2), the bottom surface of the workbench (2) is fixedly connected to the top surface of the support leg (1), the top surface of the workbench (2) is provided with a door-shaped plate (3), the bottom surface of the door-shaped plate (3) is fixedly connected to the top surface of the workbench (2), the inner side surface of the door-shaped plate (3) is provided with a processing machine (6), the top surface of the processing machine (6) is fixedly connected to the inner top surface of the door-shaped plate (3), and the inner side surface of the door-shaped plate (3) is provided with a clamping mechanism (4) and a heat dissipation mechanism (5); The clamping mechanism (4) comprises a driving part (41) and a clamping part (42); The clamping portion (42) is located on the right side of the driving portion (41); The heat dissipation mechanism (5) comprises a moving part (51) and a heat dissipation part (52); The heat dissipation portion (52) is located on the left side of the moving portion (51); The driving part (41) comprises a fixed plate (411), the right side surface of the fixed plate (411) is fixedly connected to the left side surface of the workbench (2), the top surface of the fixed plate (411) is provided with two vertical plates (412), the bottom surfaces of the two vertical plates (412) are fixedly connected to the top surface of the fixed plate (411), the inner side surfaces of the two vertical plates (412) are provided with a first motor (413), the bottom surface of the first motor (413) is fixedly connected to the top surface of the fixed plate (411), a polished rod (414) is provided on the right side of the first motor (413), the bottom end surface of the polished rod (414) is rotatably connected to the top surface of the fixed plate (411) through a bearing seat, and two gears (415) are provided on the top of the polished rod (414), the bottom surface of the right gear (415) is fixedly connected to the top surface of the polished rod (414), and the bottom surface of the left gear (415) is fixedly connected to the output end surface of the first motor (413).

2. The fan motor processing mold that is convenient for clamping and fixing according to claim 1 is characterized in that: The outer end surfaces of the two gears (415) are meshed and connected, two discs (416) are arranged on the top surfaces of the two gears (415), the bottom surfaces of the two discs (416) are fixedly connected to the top surfaces of the two gears (415), two movable plates (417) are arranged above the two discs (416), two rotating rods (418) are arranged on the inner sides of the two movable plates (417), the bottom end surfaces of the two rotating rods (418) are fixedly connected to the top surfaces of the two discs (416), and the inner sides of the two movable plates (417) are movably connected to the surfaces of the two rotating rods (418).

3. The fan motor processing mold that is convenient for clamping and fixing according to claim 2 is characterized in that: The clamping portion (42) comprises three straight plates (421), the inner side surfaces of the two straight plates (421) on the left are movably connected to the outer side surfaces of the two movable plates (417), the inner side surfaces of the three straight plates (421) are provided with two sliding rods (422), the surfaces of the two sliding rods (422) are slidably connected to the inner walls of the two vertical plates (412), the outer end surfaces of the two sliding rods (422) are fixedly connected to the inner side surfaces of the two outer straight plates (421), the surfaces of the two sliding rods (422) extend through and extend to the outer side of the middle straight plate (421), and the surfaces of the two sliding rods (422) are slidably connected to the inner wall of the middle straight plate (421).

4. The fan motor processing mold that is convenient for clamping and fixing according to claim 3 is characterized in that: Two sliding blocks (423) are arranged on the surfaces of the two sliding bars (422), and the inner walls of the two sliding blocks (423) are slidably connected to the surfaces of the two sliding blocks (423).

5. The fan motor processing mold that is convenient for clamping and fixing according to claim 4 is characterized in that: Two clamping plates (424) are arranged inside the two sliding blocks (423), and the outer side surfaces of the two clamping plates (424) are fixedly connected to the inner side surfaces of the two right-side straight plates (421).

6. The fan motor processing mold that is convenient for clamping and fixing according to claim 1 is characterized in that: The moving part (51) comprises an electric telescopic rod (511), the front side of the electric telescopic rod (511) is fixedly connected to the front side of the right side of the door-shaped plate (3), a guide rod (512) is arranged below the electric telescopic rod (511), the outer end surface of the guide rod (512) is fixedly connected to the inner side of the right side of the door-shaped plate (3), a slide plate (513) is sleeved on the surface of the guide rod (512), the inner wall of the slide plate (513) is slidably connected to the surface of the guide rod (512), and the front side of the slide plate (513) is fixedly connected to the output end surface of the electric telescopic rod (511).

7. The fan motor processing mold that is convenient for clamping and fixing according to claim 6 is characterized in that: The heat dissipation portion (52) comprises a fixed block (521), the right side surface of the fixed block (521) is fixedly connected to the left side surface of the slide plate (513), the top surface of the fixed block (521) is provided with a second motor (522), the bottom surface of the second motor (522) is fixedly connected to the top surface of the fixed block (521), the output end surface of the second motor (522) is provided with a first bevel gear (523), the rear side surface of the first bevel gear (523) is fixedly connected to the output end surface of the second motor (522), and the first A second bevel gear (524) is arranged on the outer end surface of the bevel gear (523), the outer end surface of the second bevel gear (524) is meshingly connected with the outer end surface of the first bevel gear (523), a rotating rod is arranged on the inner side surface of the second bevel gear (524), the surface of the rotating rod is fixedly connected with the inner wall of the second bevel gear (524), the right end surface of the rotating rod is rotatably connected with the left side surface of the slide plate (513) through the second bearing seat, the surface of the rotating rod is sleeved with a fan blade (525), and the inner side surface of the fan blade (525) is fixedly connected with the surface of the rotating rod.