Low-noise planetary ball mill

By installing an installation plate and a noise-reducing corrugated pipe structure on the ball mill cover, combined with an elastic film shield, the problem of poor noise reduction effect of existing ball mills is solved, and low-noise operation of the ball mill is achieved.

CN223732877UActive Publication Date: 2025-12-30DALIAN ZHONGSHI GUOSHI TESTING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423273765.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-30
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing noise reduction structure of planetary ball mills is located on the safety cover, resulting in an unsatisfactory noise reduction effect and failing to effectively reduce the noise of the ball mill jar.

Method used

An installation plate is set on the ball mill cover, and a noise-reducing corrugated pipe and a lifting ring are embedded in the installation plate. The lifting ring is raised and lowered by a pull rod and a handle, which causes the noise-reducing corrugated pipe to retract and cover the ball mill jar. Combined with an elastic noise-reducing film to shield the outside of the turntable, the noise source is directly reduced.

Benefits of technology

It effectively reduced the noise level of the ball mill and improved the noise reduction effect, especially at the noise source of the ball mill jar, enhancing the targeting and effectiveness of noise control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-noise planetary ball mill, which belongs to the technical field of ball mills, and comprises a ball mill seat, a turntable arranged at the top of the ball mill seat, a plurality of ball milling tanks arranged on the turntable, a ball mill cover hinged to the top of the ball mill seat, and a noise reduction mechanism, a plurality of noise reduction corrugated pipes are fixedly connected to the bottom of the mounting disc, a mounting ring is fixedly connected to the bottom end of each noise reduction corrugated pipe, a rotary disc and a ball milling tank on the ball mill base are used for grinding work, a ball mill cover is used for protection, and a pull rod on the mounting disc is lifted to conveniently drive a lifting ring at the bottom and the mounting ring to lift; and the mounting disc rotates on the ball mill cover, so that the mounting disc can be conveniently matched with the rotating disc and the ball milling tank to rotate, and the noise reduction mechanism is convenient to use.
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Description

Technical Field

[0001] This utility model relates to the field of ball mill technology, and more specifically, to a low-noise planetary ball mill. Background Technology

[0002] Planetary ball mills are essential equipment for the research and production of high-tech materials, including mixing, fine grinding, and small-sample preparation.

[0003] The authorization announcement number "CN216964808U" describes "a planetary ball mill with noise reduction function, the key technical points of which are: including a chassis, a planetary disk connected to the top surface of the chassis, a PLC controller provided on one side of the chassis, the PLC controller being electrically connected to the planetary disk, a safety door provided on one side of the chassis, a handle provided on the top surface of the chassis, foot pads provided on the bottom surface of the chassis, a limit groove provided on the bottom surface of the chassis, a sliding component provided inside the chassis for adjusting the position of the foot pads, the sliding component including a handle, the handle being located on the top surface of the chassis, a lead screw fixedly installed on the bottom surface of the handle, a fixing hole provided on the top surface of the chassis, a bearing provided on the inner wall of the chassis, a traction rod threadedly connected to the outer circular wall of the lead screw, and one end of the lead screw passing through the fixing hole and fixedly installed together with the bearing, effectively improving the work efficiency of the workers."

[0004] The aforementioned patents effectively optimize the working efficiency of ball mills, but the noise reduction effect of the ball mills in the aforementioned patents is not ideal. The noise reduction structure is set on the safety cover door, while the main source of noise in the ball mill is the grinding jar, and the two are far apart, so the noise reduction structure is not ideal. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a low-noise planetary ball mill, which aims to solve the problems mentioned in the background art.

[0006] To solve the above problems, the present invention adopts the following technical solution:

[0007] A low-noise planetary ball mill, comprising:

[0008] A ball mill base, wherein a turntable is provided on the top of the ball mill base, and multiple ball mill jars are arranged on the turntable; a ball mill cover is hinged to the top of the ball mill base; and

[0009] The noise reduction mechanism includes a mounting plate, which is rotatably embedded in the top of the ball mill cover. Multiple noise reduction corrugated pipes are fixedly connected to the bottom of the mounting plate. Each noise reduction corrugated pipe has a mounting ring fixedly connected to its bottom end. A lifting ring is fixedly connected between the outer walls of each mounting ring. Multiple pull rods are fixedly connected to the top of the lifting rings, and each pull rod moves through the mounting plate and extends to the top of the mounting plate.

[0010] As a preferred embodiment of this utility model, a noise-reducing film is fixedly connected between the lifting ring and the outer wall of the mounting plate.

[0011] As a preferred embodiment of this utility model, a connecting rod is fixedly installed between the outer walls of each pair of mounting rings.

[0012] As a preferred embodiment of this utility model, a cross plate is fixedly connected between the top ends of the plurality of pull rods, and a handle is fixedly connected to the top of the cross plate.

[0013] As a preferred embodiment of this utility model, the top of the mounting plate is fixedly embedded with multiple transparent observation windows.

[0014] As a preferred embodiment of this utility model, the bottom of the ball mill base is fixedly connected with multiple support feet.

[0015] Beneficial effects

[0016] Compared with existing technologies, this utility model provides a low-noise planetary ball mill, which has the following advantages:

[0017] 1. In this solution, the turntable and grinding jar on the ball mill base are used for grinding, the ball mill cover is used for protection, and the pull rod on the mounting plate is raised and lowered to facilitate the lifting of the bottom lifting ring and mounting ring, which in turn facilitates the contraction of the noise reduction bellows to completely cover the grinding jar, thereby improving the noise reduction effect at the source of the ball mill noise. The mounting plate rotates on the ball mill cover to facilitate its rotation with the turntable and grinding jar, which facilitates the use of the noise reduction mechanism.

[0018] 2. In this solution, the noise reduction film is made of elastic material. The noise reduction film can easily block the outside of the turntable, further improving the performance of the noise reduction mechanism. Attached Figure Description

[0019] Figure 1 This is a perspective view of the present utility model;

[0020] Figure 2 This is a schematic diagram of the ball mill cover of this utility model when it is open;

[0021] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 This is a cross-sectional view of the present invention.

[0023] Explanation of the labels in the diagram:

[0024] 1. Ball mill base; 2. Turntable; 3. Ball mill jar; 4. Ball mill cover; 5. Noise reduction mechanism; 501. Mounting plate; 502. Noise reduction corrugated pipe; 503. Mounting ring; 504. Lifting ring; 505. Tie rod; 506. Noise reduction membrane; 6. Connecting rod; 7. Cross plate; 8. Handle; 9. Transparent observation window; 10. Support leg. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] Example:

[0027] Please see Figure 1-4 A low-noise planetary ball mill, comprising:

[0028] A ball mill base 1, a turntable 2 on top of the ball mill base 1, multiple grinding jars 3 on the turntable 2, and a ball mill cover 4 hinged to the top of the ball mill base 1; and

[0029] The noise reduction mechanism 5 includes a mounting plate 501, which is rotatably embedded in the top of the ball mill cover 4. Multiple noise reduction corrugated pipes 502 are fixedly connected to the bottom of the mounting plate 501. Each noise reduction corrugated pipe 502 is fixedly connected to the bottom end of a mounting ring 503. Each mounting ring 503 is fixedly connected to the outer wall of a lifting ring 504. Multiple pull rods 505 are fixedly connected to the top of the lifting ring 504, and each pull rod 505 moves through the mounting plate 501 and extends to the top of the mounting plate 501.

[0030] In this embodiment, the turntable 2 and grinding jar 3 on the ball mill base 1 are used for grinding, the ball mill cover 4 is used for protection, and the pull rod 505 on the mounting plate 501 is raised and lowered to facilitate the lifting ring 504 and mounting ring 503 at the bottom to be raised and lowered, which in turn facilitates the retraction of the noise reduction corrugated pipe 502 to completely cover the grinding jar 3, thereby improving the noise reduction effect at the source of the ball mill noise. The mounting plate 501 rotates on the ball mill cover 4 to facilitate its rotation with the turntable 2 and grinding jar 3, and facilitates the use of the noise reduction mechanism 5.

[0031] Please refer to the specific details. Figure 2 and Figure 4 As shown, a noise-reducing film 506 is fixedly connected between the lifting ring 504 and the outer wall of the mounting plate 501.

[0032] In this embodiment, the noise reduction film 506 is made of an elastic material. The noise reduction film 506 can easily block the outside of the turntable 2, further improving the performance of the noise reduction mechanism 5.

[0033] Please refer to the specific details. Figure 2-3 As shown, a connecting rod 6 is fixedly installed between the outer walls of every two mounting rings 503.

[0034] In this embodiment, the connecting rod 6 facilitates the connection between the mounting rings 503 and improves the connection stability between the mounting rings 503.

[0035] Please refer to the specific details. Figure 1 and Figure 4 As shown, a cross plate 7 is fixedly connected between the top ends of multiple pull rods 505, and a handle 8 is fixedly connected to the top of the cross plate 7.

[0036] In this embodiment, the cross plate 7 facilitates the positioning of multiple pull rods 505, improving the sliding stability of the multiple pull rods 505, and the handle 8 facilitates the operation of the pull rods 505.

[0037] Please refer to the specific details. Figure 1 As shown, multiple transparent viewing windows 9 are fixedly embedded on the top of the mounting plate 501.

[0038] In this embodiment, the working condition of the ball mill jar 3 can be easily viewed through the transparent observation window 9.

[0039] Please refer to the specific details. Figure 1 As shown, the bottom of the ball mill base 1 is fixedly connected with multiple support feet 10.

[0040] In this embodiment, the stability of the ball mill is improved by using the support foot 10.

[0041] Working principle: When in use, the material to be processed is placed inside multiple grinding jars 3, the grinding mill cover 4 is closed, and the cross plate 7 is pushed down by the handle 8, which drives multiple pull rods 505 to descend, thereby driving multiple mounting rings 503 and lifting rings 504 to descend until the mounting rings 503 abut against the grinding mill base 1. At this time, the noise reduction corrugated pipes 502 are respectively fitted onto the outside of the corresponding grinding jars 3, and the noise reduction film 506 is fitted onto the outside of the turntable 2 and multiple grinding jars 3 to perform noise reduction work.

[0042] The control method of this utility model is to control the device by manually starting and stopping the switch. The wiring diagram of the power element and the supply of power are common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and wiring layout will not be explained in detail.

[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. A low noise planetary ball mill characterized in that, Include: Ball mill seat (1), the ball mill seat (1) top is provided with rotary table (2), be provided with a plurality of ball mill jar (3) on rotary table (2), ball mill seat (1) top is hinged with ball mill cover (4);And Noise reduction mechanism (5), the noise reduction mechanism (5) includes mounting disc (501), the mounting disc (501) is rotationally embedded in the top of ball mill cover (4), the bottom of mounting disc (501) is fixedly connected with a plurality of noise reduction bellows (502), the bottom end of each noise reduction bellows (502) is fixedly connected with mounting ring (503), the outer wall between each mounting ring (503) is fixedly connected with lifting ring (504), the top of lifting ring (504) is fixedly connected with a plurality of pull rods (505), and each pull rod (505) is movably penetrated through mounting disc (501) and extends to the top of mounting disc (501).

2. A low noise planetary ball mill as claimed in claim 1, wherein, The outer wall between the lifting ring (504) and the mounting disc (501) is fixedly connected with a noise reduction film (506).

3. A low noise planetary ball mill according to claim 2, characterized in that The outer wall between every two mounting rings (503) is fixedly connected with a connecting rod (6).

4. A low noise planetary ball mill according to claim 3, characterized in that The top end between a plurality of pull rods (505) is fixedly connected with a cross plate (7), and the top of the cross plate (7) is fixedly connected with a handle (8).

5. A low noise planetary ball mill as claimed in claim 4, wherein, The top of the mounting disc (501) is fixedly embedded with a plurality of transparent observation windows (9).

6. A low noise planetary ball mill according to claim 5, characterized in that The bottom of the ball mill seat (1) is fixedly connected with a plurality of supporting legs (10).