Trimming device for centrifugal fan blade machining

By designing a trimming device including a U-shaped mount, a motor, a rotating disc, a scraper and a protective cover, the problem of inability to effectively block cutting waste in the prior art is solved, and effective trimming of centrifugal air blades and improving sanitary conditions are achieved.

CN222818069UActive Publication Date: 2025-05-02ANHUI LANGDI IMPELLER MASCH CO LTD
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Patent Information

Application Number
CN202421479166.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-05-02
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The existing trimming device for centrifugal air blade processing cannot effectively block the waste generated during cutting, resulting in hygiene and harmful health.

Method used

A trimming device including a U-shaped mount, a motor, a rotating disc, a scraper and a protective cover is designed. The centrifugal air blades are fixed through the cooperation of arc-shaped plates, sliding rods and springs, and the trimming operation is carried out through the rotating disc and a scraper, so that the protective cover covers waste.

Benefits of technology

It effectively fixes centrifugal air blades and performs trimming operations to prevent waste from splashing, improving sanitary conditions and health and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of centrifugal fan blade machining, and discloses a trimming device for centrifugal fan blade machining, which comprises a U-shaped mounting seat, a motor is fixedly connected to the inner wall of the bottom of the U-shaped mounting seat, and a top plate is fixedly connected to the top of the U-shaped mounting seat. An output shaft of the motor penetrates through the top plate, extends to the top of the top plate and is fixedly sleeved with a rotating disc, the top of the rotating disc is fixedly connected with an installation column, two sliding rods are connected to the two sides of the installation column in a penetrating and sliding mode, and the ends, away from each other, of the two installation columns are fixedly connected with arc-shaped abutting plates. The two arc-shaped abutting plates can get away from each other through the elastic force of the spring to abut against and fix the centrifugal fan blade arranged on the mounting column in a sleeving mode, the motor is started to drive the rotating disc and the centrifugal fan blade to rotate, and the two-way screw is rotated to drive the two scraping pieces to get close to each other to be attached to the two sides of the rotating centrifugal fan blade to conduct trimming work. When the top of the rotating disc is covered with the protective cover, waste can be prevented from splashing out.
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Description

Technical Field

[0001] The utility model relates to the field of centrifugal fan blade processing, in particular to a centrifugal fan blade processing device. Background Art

[0002] The utility model with the authorization announcement number CN219818271U discloses a trimming device for centrifugal fan blade processing, including an operating table, the top of the operating table is fixedly connected to a first bracket, the top of the first bracket is rotatably connected to a second bracket, the top of the second bracket is equipped with an electric push rod, the top of the operating table is provided with a circular hole, the inner side surface of the circular hole is fixedly connected to a first support rod, the inner side surface of the first support rod is fixedly connected to a support plate, the top of the support plate is fixedly connected to a cylindrical block, the bottom end of the electric push rod is fixedly connected to a bottom plate, and the bottom end of the bottom plate is fixedly connected to a blade. The utility model adopts the above structure, when in use, the centrifugal fan blade is placed on the cylindrical block, and then the electric push rod is started to push the blade to the edge of the centrifugal fan blade, and finally the second bracket is rotated, and the blade will scrape off the scraps of the centrifugal fan blade, so as to achieve the purpose of conveniently trimming the centrifugal fan blade.

[0003] The above utility model patent cannot effectively block the waste generated during cutting during processing. These wastes generated by cutting are not conducive to hygiene and cleanliness when they are outside the device, and too much waste is inhaled into the body, which is not good for health. Therefore, the technicians in this field provide a trimming device for centrifugal fan blade processing to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a trimming device for processing centrifugal fan blades to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trimming device for processing centrifugal fan blades, comprising a U-shaped mounting seat, the bottom inner wall of the U-shaped mounting seat is fixedly connected to a motor, the top of the U-shaped mounting seat is fixedly connected to a top plate, the output shaft of the motor passes through the top plate, extends to the top of the top plate and is fixedly sleeved with a rotating disk, the top of the rotating disk is fixedly connected to a mounting column, two sliding rods are slidably connected through the two sides of the mounting column, the ends of the two mounting columns away from each other are fixedly connected to an arc-shaped abutment plate, the top of the top plate is slidably connected to two moving plates, the top of the two moving plates are fixedly connected to scrapers, the top of the top plate is fitted with a protective cover, and the protective cover arranges the rotating disk and the two scraper covers inside, and the top of the top plate is provided with an adjustment component for adjusting the distance between the two scraper blades.

[0006] As a further solution of the utility model: the adjustment assembly includes a rectangular plate fixedly connected to the top of the top plate, and a bidirectional screw is rotatably connected to one side of the rectangular plate close to the movable plate, and the bidirectional screw and the two movable plates are threadedly connected.

[0007] As a further solution of the utility model: rectangular through holes are opened on both sides of the protective cover, and two scrapers pass through the two rectangular through holes and extend into the protective cover.

[0008] As a further solution of the utility model: a connecting hole is formed through the outer wall of the mounting column, and two sliding rods are slidably connected to the connecting hole, and one end of the two sliding rods close to each other is fixedly connected to the same spring.

[0009] As a further solution of the utility model: the top end of the mounting column is fixedly connected with an iron suction cup, and the iron suction cup is located above the two arc-shaped abutment plates.

[0010] As a further solution of the utility model: the two scrapers are respectively located on both sides of the rotating disk, and the bottom of the scraper is higher than the top of the rotating disk.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Pressing the arc-shaped plate on one side can push the sliding rod close to the compression spring, and then the centrifugal fan blade can be mounted on the mounting column. The centrifugal fan blade mounted on the mounting column can be pressed against the arc-shaped plate on one side to keep it fixed, and then the arc-shaped plate on the other side can be pressed to move the other half of the centrifugal fan blade to be mounted on the mounting column for installation, and then the pressed arc-shaped plate is released. The arc-shaped plate on this side will always be pressed against the inner walls on both sides of the centrifugal fan blade due to the elastic force of the spring to fix the centrifugal fan blade, and the top inner wall of the centrifugal fan blade can be fixed by The iron absorption plate is adsorbed, and then the bidirectional screw is rotated to drive the two moving plates to approach each other. After the two moving plates approach each other, they will drive the two scrapers to approach each other and stick to the two sides of the fixed centrifugal fan blades to prepare for processing. The two rectangular through holes on the protective cover are aligned with the two scrapers and then the protective cover can be covered on the rotating disk for installation. Then the motor can be started to drive the rotating disk to rotate. The rotation of the rotating disk will drive the centrifugal fan blades to rotate and generate friction with the two scrapers to perform trimming work. The waste generated during trimming will be blocked by the protective cover.

[0013] The utility model is simple to use. The two arc-shaped resisting plates can move away from each other through the elastic force of the spring to resist and fix the centrifugal fan blades sleeved on the mounting column. Starting the motor can drive the rotating disk and the centrifugal fan blades to rotate. Rotating the bidirectional screw can drive the two scrapers to approach each other and stick to the two sides of the rotating centrifugal fan blades to perform trimming work. When the top of the rotating disk is covered with a protective cover, waste can be prevented from splashing out. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional explosion schematic diagram of the utility model;

[0016] Figure 3 It is a three-dimensional schematic diagram of the explosion of the rotating disk of the utility model.

[0017] In the figure: 1. U-shaped mounting base; 2. motor; 3. top plate; 4. moving plate; 5. bidirectional screw; 6. scraper; 7. rectangular through hole; 8. protective cover; 9. magnetic suction plate; 10. mounting column; 11. arc-shaped abutment plate; 12. rotating plate; 13. connecting hole; 14. sliding rod; 15. spring; 16. rectangular plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 3 In the embodiment of the utility model, a trimming device for processing centrifugal fan blades includes a U-shaped mounting seat 1, a motor 2 is fixedly connected to the inner wall of the bottom of the U-shaped mounting seat 1, a top plate 3 is fixedly connected to the top of the U-shaped mounting seat 1, the output shaft of the motor 2 passes through the top plate 3 and extends to the top of the top plate 3 and is fixedly sleeved with a rotating disk 12, a mounting column 10 is fixedly connected to the top of the rotating disk 12, two sliding rods 14 are slidably connected through both sides of the mounting column 10, and the ends of the two mounting columns 10 away from each other are fixedly connected with an arc-shaped abutment plate 11, the top of the top plate 3 is slidably connected to two moving plates 4, and the tops of the two moving plates 4 are fixedly connected with scrapers 6, a protective cover 8 is attached to the top of the top plate 3, and the protective cover 8 covers the rotating disk 12 and the two scrapers 6 inside, and an adjusting component for adjusting the distance between the two scrapers 6 is provided on the top of the top plate 3.

[0020] In this embodiment, the adjustment assembly includes a rectangular plate 16 fixedly connected to the top of the top plate 3, and a bidirectional screw 5 is rotatably connected to one side of the rectangular plate 16 close to the movable plate 4. The bidirectional screw 5 and the two movable plates 4 are threadedly connected.

[0021] In this embodiment, rectangular through holes 7 are formed on both sides of the protective cover 8 , and two scrapers 6 pass through the two rectangular through holes 7 and extend into the protective cover 8 .

[0022] In this embodiment, a connecting hole 13 is formed on the outer wall of the mounting column 10, and two sliding rods 14 are slidably connected to the connecting hole 13. The ends of the two sliding rods 14 that are close to each other are fixedly connected to the same spring 15. Pressing the arc-shaped abutment plate 11 on one side can push the sliding rod 14 close to the compression spring 15, and then the centrifugal fan blade can be mounted on the mounting column 10. The centrifugal fan blade mounted on the mounting column 10 can be pressed against the arc-shaped abutment plate 11 on one side to keep it fixed, and then the arc-shaped abutment plate 11 on the other side can be pressed to move the other half of the centrifugal fan blade to be mounted on the mounting column 10 for installation, and then the pressed arc-shaped abutment plate 11 is released. The arc-shaped abutment plate 11 on this side will always be pressed against the inner walls on both sides of the centrifugal fan blade due to the elastic force of the spring 15 to fix the centrifugal fan blade.

[0023] In this embodiment, the top end of the mounting column 10 is fixedly connected with an iron suction cup 9 , and the iron suction cup 9 is located above two arc-shaped abutment plates 11 .

[0024] In this embodiment, the two scrapers 6 are respectively located on both sides of the rotating disk 12, and the bottom of the scraper 6 is higher than the top of the rotating disk 12. The bidirectional screw 5 is rotated to drive the two movable plates 4 to approach each other. After the two movable plates 4 approach each other, the two scrapers 6 will be driven to approach each other and stick to the two sides of the fixed centrifugal fan blades to prepare for processing. After the two rectangular through holes 7 on the protective cover 8 are aligned with the two scrapers 6 and snapped in, the protective cover 8 can be covered on the rotating disk 12 for covering, and then the motor 2 can be started to drive the rotating disk 12 to rotate. The rotation of the rotating disk 12 will drive the centrifugal fan blades to rotate to generate friction with the two scrapers 6 to perform trimming work, and the waste generated during trimming will be blocked by the protective cover 8.

[0025] The working principle of the utility model is as follows: pressing the arc-shaped abutment plate 11 on one side can push the sliding rod 14 close to the compression spring 15, and then the centrifugal fan blade can be sleeved on the mounting column 10, and the centrifugal fan blade sleeved on the mounting column 10 can press the arc-shaped abutment plate 11 on one side to keep it fixed, and then press the arc-shaped abutment plate 11 on the other side to move and sleeve the other half of the centrifugal fan blade on the mounting column 10 for installation, and then release the pressed arc-shaped abutment plate 11, and the arc-shaped abutment plate 11 on this side will always be pressed against the inner walls on both sides of the centrifugal fan blade due to the elastic force of the spring 15 to fix the centrifugal fan blade, and the centrifugal fan blade The top inner wall can be adsorbed by the iron suction plate 9, and then the bidirectional screw 5 is rotated to drive the two movable plates 4 to approach each other. After the two movable plates 4 approach each other, the two scrapers 6 will be driven to approach each other and stick to the two sides of the fixed centrifugal fan blades to prepare for processing. The two rectangular through holes 7 on the protective cover 8 are aligned with the two scrapers 6 and then the protective cover 8 can be covered on the rotating disk 12 for covering. Then the motor 2 can be started to drive the rotating disk 12 to rotate. The rotation of the rotating disk 12 will drive the centrifugal fan blades to rotate to generate friction with the two scrapers 6 to perform trimming work. The waste generated during trimming will be blocked by the protective cover 8.

[0026] However, as is well known to those skilled in the art, the working principle and wiring method of the motor 2 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selections according to their needs or convenience.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A centrifugal fan blade trimming device, comprising a U-shaped mounting seat (1), characterized in that: The bottom inner wall of the U-shaped mounting seat (1) is fixedly connected to a motor (2); the top of the U-shaped mounting seat (1) is fixedly connected to a top plate (3); the output shaft of the motor (2) passes through the top plate (3) and extends to the top of the top plate (3) and is fixedly sleeved with a rotating disk (12); the top of the rotating disk (12) is fixedly connected to a mounting column (10); two sliding rods (14) are slidably connected to the two sides of the mounting column (10); the ends of the two mounting columns (10) that are away from each other are fixedly connected to an arc-shaped abutment plate (11); the top of the top plate (3) is slidably connected to two moving plates (4); the tops of the two moving plates (4) are fixedly connected to scrapers (6); the top of the top plate (3) is fitted with a protective cover (8), and the protective cover (8) covers the rotating disk (12) and the two scrapers (6) inside; and the top of the top plate (3) is provided with an adjustment component for adjusting the distance between the two scrapers (6).

2. The centrifugal fan blade trimming device according to claim 1, characterized in that: The adjustment assembly comprises a rectangular plate (16) fixedly connected to the top of the top plate (3); a bidirectional screw rod (5) is rotatably connected to one side of the rectangular plate (16) close to the movable plate (4); and the bidirectional screw rod (5) and the two movable plates (4) are threadedly connected.

3. The centrifugal fan blade trimming device according to claim 1, characterized in that: Rectangular through holes (7) are provided on both sides of the protective cover (8), and two scrapers (6) penetrate the two rectangular through holes (7) and extend into the protective cover (8).

4. The centrifugal fan blade trimming device according to claim 1, characterized in that: A connecting hole (13) is formed through the outer wall of the mounting column (10), and two sliding rods (14) are slidably connected to the connecting hole (13). The ends of the two sliding rods (14) close to each other are fixedly connected to the same spring (15).

5. The centrifugal fan blade trimming device according to claim 1, characterized in that: The top end of the mounting column (10) is fixedly connected with an iron suction plate (9), and the iron suction plate (9) is located above two arc-shaped abutment plates (11).

6. The centrifugal fan blade trimming device according to claim 1, characterized in that: The two scrapers (6) are respectively located on both sides of the rotating disk (12), and the bottom of the scraper (6) is higher than the top of the rotating disk (12).