Low-noise hammer mill

Abstract

The low-noise hammer crusher comprises a crushing box, a support is fixedly installed on the lower portion of the outer surface of one end of the crushing box, a gear motor is fixedly installed at the end, away from the crushing box, of the outer surface of the upper end of the support, and a protective cover is fixedly installed at the end, close to the crushing box, of the outer surface of the upper end of the support. A large gear and a small gear are arranged in the protective cover, one end of the gear motor is connected with a driving shaft, and one end of the driving shaft extends into the smashing box. According to the low-noise hammer crusher, the cover plate is arranged, the cover plate can be rotationally opened, the maintenance space is conveniently enlarged, maintenance is convenient, the two sets of crushing hammers can be driven to rotate through operation of the gear motor, the crushing effect is improved, the noise reduction effect is achieved through the arranged noise reduction cotton, and through the arranged reinforcing columns, the noise reduction effect is improved, and the noise reduction effect is improved. The strength of the crushing box can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hammer crushers, in particular to a low-noise hammer crusher. Background Art

[0002] In the prior art, materials are crushed by a hammer crusher. However, when in use, the following disadvantages exist:

[0003] 1. It is inconvenient for maintenance. During maintenance, the crushing hammer is inside the crushing box, and the maintenance space is small;

[0004] 2. Generally, a set of crushing hammers is arranged inside the crushing box, and the crushing effect is poor;

[0005] 3. When crushing, the noise is relatively large.

[0006] Therefore, we propose a low-noise hammer crusher. Content of the Utility Model

[0007] (1) Technical Problems to be Solved

[0008] Aiming at the deficiencies of the prior art, the utility model provides a low-noise hammer crusher, which is convenient for maintenance, has a good crushing effect, and has the function of noise reduction, etc., and can effectively solve the problems in the background art.

[0009] (2) Technical Solutions

[0010] To achieve the above object, the technical solution adopted by the utility model is: a low-noise hammer crusher, including a crushing box, a support is fixedly installed at the lower part of the outer surface of one end of the crushing box, a reduction motor is fixedly installed at the end of the outer surface of the support away from the crushing box, a protective cover is fixedly installed at the end of the outer surface of the support close to the crushing box, a large gear and a small gear are arranged in the protective cover, one end of the reduction motor is connected with a driving shaft, one end of the driving shaft extends into the interior of the crushing box, a driven shaft is arranged below the driving shaft, crushing hammers are fixedly installed on the outer walls of one ends of the driving shaft and the driven shaft, a discharge port is fixedly installed at the lower part of the outer surface of one side of the crushing box, a guide plate is fixedly installed between the bottom of the inner cavity of the crushing box and the discharge port, fixing frames are fixedly installed at the left and right ends of the upper part of the outer surface of one side of the crushing box, the number of the fixing frames is two groups, a rotating shaft is connected between the two groups of fixing frames, connecting arm rods are fixedly installed on the outer walls of both ends of the rotating shaft, a cover plate is arranged on the outer surface of the upper end of the crushing box, a feed port is fixedly installed in the middle of the outer surface of the upper end of the cover plate, the number of the connecting arm rods is two groups, the outer surfaces of the upper ends of the two groups of connecting arm rods are fixedly connected with the left and right ends of the outer surface of one side of the cover plate, and a lock catch is arranged between the cover plate and the crushing box, and noise reduction cotton is filled in the interior of the crushing box shell.

[0011] Preferably, a coupling is provided between the driving shaft and the reduction motor, and one end outer surface of the driving shaft is fixedly connected to one end outer surface of the output shaft in the reduction motor.

[0012] Preferably, the lower end outer surface of the large gear meshes with the upper end outer surface of the small gear. Sealed bearings are provided between the driving shaft, the driven shaft and the crushing box, and the driving shaft and the driven shaft are rotationally connected to the crushing box through the sealed bearings.

[0013] Preferably, a reinforcing column is fixedly installed inside the crushing box housing, and the reinforcing column penetrates through the noise reduction cotton.

[0014] Preferably, one side outer surface of the cover plate is connected to the crushing box through a buckle.

[0015] Preferably, a sealed bearing is provided between the rotating shaft and the fixed frame, and the rotating shaft is rotationally connected to the fixed frame through the sealed bearing.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, the present utility model provides a low-noise hammer mill, which has the following beneficial effects:

[0018] 1. For this low-noise hammer mill, the provided cover plate can be rotated and opened, which is convenient for increasing the maintenance space and facilitating maintenance.

[0019] 2. For this low-noise hammer mill, the operation of the reduction motor can drive the two groups of crushing hammers to rotate, improving the crushing effect.

[0020] 3. For this low-noise hammer mill, the provided noise reduction cotton plays a role in noise reduction, and the provided reinforcing column can improve the strength of the crushing box. Description of the Drawings

[0021] Figure 1 is the overall structural schematic diagram of a low-noise hammer mill of the present utility model.

[0022] Figure 2 is the partial structural schematic diagram of a low-noise hammer mill of the present utility model.

[0023] Figure 3 is the side view cross-sectional diagram of the crushing box in a low-noise hammer mill of the present utility model.

[0024] Figure 4 is the cross-sectional diagram of the crushing box housing in a low-noise hammer mill of the present utility model.

[0025] In the figure: 1. Crushing box; 2. Support; 3. Reducing motor; 4. Discharge port; 5. Guide plate; 6. Protective cover; 7. Cover plate; 8. Feeding port; 9. Lock; 10. Fixed frame; 11. Rotating shaft; 12. Connecting arm rod; 13. Driving shaft; 14. Large gear; 15. Driven shaft; 16. Small gear; 17. Crushing hammer; 18. Noise reduction cotton; 19. Reinforcing column. Specific implementation mode

[0026] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation modes.

[0027] This embodiment is a low-noise hammer crusher.

[0028] As Figures 1-4 shown, it includes a crushing box 1. A support 2 is fixedly installed at the lower part of the outer surface of one end of the crushing box 1. A reducing motor 3 is fixedly installed at one end of the outer surface of the upper end of the support 2 away from the crushing box 1. A protective cover 6 is fixedly installed at one end of the outer surface of the upper end of the support 2 close to the crushing box 1. A large gear 14 and a small gear 16 are arranged in the protective cover 6. One end of the reducing motor 3 is connected to a driving shaft 13. One end of the driving shaft 13 extends into the interior of the crushing box 1. A driven shaft 15 is arranged below the driving shaft 13. The outer walls of one ends of the driving shaft 13 and the driven shaft 15 are both fixedly installed with crushing hammers 17. A discharge port 4 is fixedly installed at the lower part of the outer surface of one side of the crushing box 1. A guide plate 5 is fixedly installed between the bottom of the inner cavity of the crushing box 1 and the discharge port 4. Fixed frames 10 are fixedly installed at the left and right ends of the upper part of the outer surface of one side of the crushing box 1. The number of the fixed frames 10 is two groups. A rotating shaft 11 is connected between the two groups of fixed frames 10. Connecting arm rods 12 are fixedly installed on the outer walls at both ends of the rotating shaft 11. A cover plate 7 is arranged on the outer surface of the upper end of the crushing box 1. A feeding port 8 is fixedly installed in the middle of the outer surface of the upper end of the cover plate 7. The number of the connecting arm rods 12 is two groups. The outer surfaces of the upper ends of the two groups of connecting arm rods 12 are fixedly connected to the left and right ends of the outer surface of one side of the cover plate 7. And a lock 9 is arranged between the cover plate 7 and the crushing box 1. Noise reduction cotton 18 is filled in the interior of the shell of the crushing box 1.

[0029] A coupling is arranged between the driving shaft 13 and the reducing motor 3. The outer surface of one end of the driving shaft 13 is fixedly connected to the outer surface of one end of the output shaft in the reducing motor 3; the lower outer surface of the large gear 14 meshes with the upper outer surface of the small gear 16. Sealed bearings are arranged between the driving shaft 13, the driven shaft 15 and the crushing box 1. The driving shaft 13 and the driven shaft 15 are rotationally connected to the crushing box 1 through the sealed bearings; Reinforcing columns 19 are fixedly installed in the interior of the shell of the crushing box 1, and the reinforcing columns 19 penetrate through the noise reduction cotton 18; One side outer surface of the cover plate 7 is connected to the crushing box 1 through a lock 9; A sealed bearing is arranged between the rotating shaft 11 and the fixed frame 10. The rotating shaft 11 is rotationally connected to the fixed frame 10 through the sealed bearing.

[0030] It should be noted that the present utility model is a low-noise hammer mill. The material to be crushed is fed into the interior of the medium crushing box 1 through the feed inlet 8. The rotation of the reduction motor 3 drives the rotation of the main shaft 13. The main shaft 13 drives the large gear 14 to rotate. The large gear 14 meshes with the small gear 16. The large gear 14 drives the driven shaft 15 to rotate through the small gear 16. Both the main shaft 13 and the driven shaft 15 drive the crushing hammers 17 to rotate. The rotation speed of the main shaft 13 is greater than that of the driven shaft 15. The main shaft 13 first drives the crushing hammers 17 to perform preliminary crushing on the material. Then, the rotation of the driven shaft 15 drives the crushing hammers 17 to rotate, realizing secondary crushing and improving the crushing effect. By opening the lock catch 9 and then flipping the cover plate 7 to open it, the interior of the crushing box 1 can be conveniently maintained, improving the maintenance space. The interior of the shell of the crushing box 1 is filled with noise reduction cotton 18, which can achieve a noise reduction effect. And a reinforcing column 19 is fixedly installed inside the shell of the crushing box 1 to improve the strength of the crushing box 1.

[0031] It should be noted that in this article, relational terms such as first and second (No. 1, No. 2) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0032] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A low noise hammer mill, comprising a crushing box (1), characterized in that: A support (2) is fixedly mounted on the lower part of the outer surface of one end of the crushing box (1); a reduction motor (3) is fixedly mounted on the upper outer surface of the support (2) at the end away from the crushing box (1); a protective cover (6) is fixedly mounted on the upper outer surface of the support (2) at the end close to the crushing box (1); a large gear (14) and a small gear (16) are arranged in the protective cover (6); a driving shaft (13) is connected to one end of the reduction motor (3); one end of the driving shaft (13) extends into the interior of the crushing box (1); a driven shaft (15) is arranged at the lower part of the driving shaft (13); a breaker hammer (17) is fixedly mounted on the outer wall of one end of the driving shaft (13) and the driven shaft (15); a discharge port (4) is fixedly mounted on the lower part of the outer surface of one side of the crushing box (1); the bottom of the inner cavity of the crushing box (1) is connected to the discharge port (4). A material guide plate (5) is fixedly installed between the material openings (4); fixed frames (10) are fixedly installed at the left and right ends of the upper outer surface of one side of the crushing box (1); the number of the fixed frames (10) is two groups; a rotating shaft (11) is connected between the two groups of the fixed frames (10); connecting arms (12) are fixedly installed on the outer walls of the two ends of the rotating shaft (11); a cover plate (7) is provided on the upper outer surface of the crushing box (1); a feed opening (8) is fixedly installed in the middle of the upper outer surface of the cover plate (7); the number of the connecting arms (12) is two groups; the upper outer surfaces of the two groups of the connecting arms (12) are fixedly connected to the left and right ends of the outer surface of one side of the cover plate (7); a lock buckle (9) is provided between the cover plate (7) and the crushing box (1); the interior of the shell of the crushing box (1) is filled with noise reduction cotton (18).

2. A low noise hammer mill according to claim 1, characterized in that: A coupling is provided between the driving shaft (13) and the reduction motor (3); an outer surface of one end of the driving shaft (13) is fixedly connected to an outer surface of one end of an output shaft in the reduction motor (3).

3. A low noise hammer mill according to claim 2, characterized in that: The lower outer surface of the large gear (14) and the upper outer surface of the small gear (16) are meshed with each other, and sealed bearings are provided between the driving shaft (13), the driven shaft (15) and the crushing box (1), and the driving shaft (13) and the driven shaft (15) are rotatably connected to the crushing box (1) via the sealed bearings.

4. A low noise hammer mill according to claim 3, characterized in that: A reinforcing column (19) is fixedly installed inside the shell of the crushing box (1), and the reinforcing column (19) penetrates the noise reduction cotton (18).

5. A low noise hammer mill according to claim 4, characterized in that: One side outer surface of the cover plate (7) is connected to the crushing box (1) via a lock buckle (9).

6. A low noise hammer mill according to claim 5, characterized in that: A sealed bearing is provided between the rotating shaft (11) and the fixed frame (10), and the rotating shaft (11) is rotatably connected to the fixed frame (10) via the sealed bearing.

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