CN210474258U

CN210474258U - Noise reduction device for pulverizer

Info

Publication number: CN210474258U
Application number: CN201920961482.5U
Authority: CN
Inventors: 吴水炎; 陈景耀; 吴定华
Original assignee: Nanjing Almat Biotechnology Co Ltd
Current assignee: Nanjing Almat Biotechnology Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-05-08
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses a noise reduction device for a pulverizer, which comprises a pulverizer main body, wherein the top of the pulverizer main body is provided with a feed inlet, the bottom of the pulverizer main body is provided with a discharge outlet, an inner lining sound absorption pad is laid on the inner surface of the pulverizer main body, a plurality of fine holes are formed on the inner lining sound absorption pad, and a noise reduction shell is covered on the outer surface of the pulverizer main body; the bottom of the crusher main body is provided with a support plate, a cushion pad is arranged between the support plate and the crusher main body, and the bottom of the support plate is also provided with a plurality of support legs; the utility model discloses a collision of thing and rubbing crusher main part and the production of the vibrations noise reduction of rubbing crusher main part are smashed in the buffering to the shell of making an uproar is fallen in the adoption and is reduced the noise, has improved the efficiency of the device of making an uproar that falls.

Description

Noise reduction device for pulverizer

Technical Field

The utility model relates to a rubbing crusher is with falling device of making an uproar belongs to the equipment of making an uproar technical field that falls.

Background

The crusher is a machine for crushing large-size solid raw materials to required sizes, the crusher comprises coarse crushing devices, fine crushing devices, wind power conveying devices and the like, the purpose of the crusher is achieved in a high-speed impact mode, wind power is utilized to form powder at one time, and the traditional screening procedure is cancelled; in the process of manufacturing solid beverages or tablets, a grinder is required to grind raw materials, although the impact force between the raw materials and the inner wall of the grinder is not large in the grinding process, noise can still be generated, and in the running process of the grinder, vibration of a machine body can also generate a large amount of noise; and the existing pulverizer hardly has noise reduction treatment outside, and a large amount of noise is very unfavorable for physical and psychological health of people when workers operate the pulverizer.

Disclosure of Invention

For solving the not enough of prior art, the utility model provides a rubbing crusher is with falling device of making an uproar, through the collision of buffering crushing thing and rubbing crusher main part and the vibrations noise reduction's of rubbing crusher main part production to the shell of making an uproar is fallen in the adoption and the noise is reduced, has improved the efficiency of the device of making an uproar that falls.

The utility model discloses the technical scheme who adopts does:

a noise reduction device for a pulverizer comprises a pulverizer main body, wherein a feeding hole is formed in the top of the pulverizer main body, a discharging hole is formed in the bottom of the pulverizer main body, a lining sound absorption pad is laid on the inner surface of the pulverizer main body, a plurality of fine holes are formed in the lining sound absorption pad, and a noise reduction shell is covered on the outer surface of the pulverizer main body; the bottom of the crusher main body is provided with a support plate, a cushion pad is arranged between the support plate and the crusher main body, and the bottom of the support plate is also provided with a plurality of support legs;

the shell of making an uproar falls including the interior layer of making an uproar, the outer inoxidizing coating of making an uproar on the layer of making an uproar falls in the cover of making an uproar, fall and be provided with a plurality of on the layer of making an uproar, fall the layer of making an uproar outside respectively and fall the hole of making an uproar, and encircle the surface on the layer of making an uproar falls in the interior surface and is formed with a plurality of and corresponds the joint board two of joint with joint board one respectively, joint board one and joint board two all are formed with bending structure, just be provided with the bolt between joint board one and the joint board two, joint board one and joint board two separate the bolt into upper, middle, lower three-section, all overlap on the upper, middle, lower three-section of.

Preferably, corresponding holes are formed in the supporting plate and the buffer pad, a screw is arranged in each hole, one end of each screw is in threaded connection with the crusher body, the other end of each screw is located below the supporting plate and fastened through a nut, and an elastic piece is further sleeved on the screw located above the supporting plate.

Further preferably, a material baffle plate is further arranged in the material inlet.

Further preferably, sound absorption cotton is filled in the accommodating space formed between the inner noise reduction layer and the outer noise reduction layer.

Further preferably, a filter screen is further arranged on the inner surface of the lining sound absorption pad.

Preferably, a plurality of protrusions are formed on the outer surface of the first clamping plate and the inner surface of the second clamping plate respectively.

The beneficial effects of the utility model reside in that:

the lining sound absorption pad is adopted to buffer the collision of the materials and the crusher main body, so that the noise is reduced; the buffer cushion arranged between the support plate and the crusher main body can effectively reduce the noise generated by the vibration of the crusher when the crusher is used; the shell of making an uproar falls in the outside setting of rubbing crusher main part is formed with a plurality of archs respectively on the surface of the hole of making an uproar, the joint board one that corresponds the setting, joint board two and joint board one and the internal surface of joint board two, improves the noise and falls the dwell time of the shell of making an uproar and then carries out the conversion of a large amount of consumptions to noise sound wave energy to the noise reduction effect has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at the main body of the pulverizer;

the main reference numerals in the figures have the following meanings:

1. the crusher comprises a crusher main body, 2, a feeding hole, 3, a discharging hole, 4, a lining sound absorption pad, 5, a noise reduction shell, 6, a supporting plate, 7, a cushion pad, 8, supporting legs, 9, a screw rod, 10, an elastic part, 21, a material baffle plate, 51, an inner noise reduction layer, 52, an outer noise reduction layer, 53, a protective layer, 54, a first clamping plate, 55, a second clamping plate, 56, a bolt, 57, a spring, 58 and a protrusion.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-2: a noise reduction device for a pulverizer comprises a pulverizer main body 1, wherein a feed inlet 2 is formed in the top of the pulverizer main body 1, a baffle plate 21 is further arranged in the feed inlet 2 for preventing materials from splashing out, a discharge outlet 3 is formed in the bottom of the pulverizer main body 1, a lining sound absorption pad 4 is laid on the inner surface of the pulverizer main body 1, a plurality of fine holes are formed in the lining sound absorption pad 4, and a filter screen is further arranged on the inner surface of the lining sound absorption pad 4 for preventing particles from entering the holes; a noise reduction shell 5 is covered on the outer surface of the crusher main body 1; a support plate 6 is arranged at the bottom of the crusher main body 1, a cushion 7 is arranged between the support plate 6 and the crusher main body 1, and four support legs 8 are also arranged at the bottom of the support plate 6;

the noise reduction shell 5 comprises an inner noise reduction layer 51, an outer noise reduction layer 52 and a protective layer 53 sleeved on the outer noise reduction layer 52, a plurality of noise reduction holes are formed in the inner noise reduction layer 51 and the outer noise reduction layer 52 respectively, a plurality of clamping plates 54 are formed around the outer surface of the inner noise reduction layer 51, a plurality of clamping plates 55 correspondingly clamped with the clamping plates 54 are formed around the inner surface of the outer noise reduction layer 52, the clamping plates 54 and the clamping plates 55 are both formed with 90-degree bending structures, a bolt 56 is arranged between the clamping plates 54 and the clamping plates 55, the bolt 56 is divided into an upper section, a middle section and a lower section by the clamping plates 54 and the clamping plates 55, springs 57 are sleeved on the upper section, the middle section and the lower section of the bolt 56, and when the crusher is used, the noise reduction shell 5 can partially buffer vibration; a plurality of protrusions 58 are further formed on the outer surface of the first clamping plate 54 and the inner surface of the second clamping plate 55 respectively, in order to improve the noise reduction efficiency of the noise reduction shell and consume the energy in the sound waves to convert the energy into heat energy to be absorbed and released, the plurality of protrusions 58 formed on the outer surface of the first clamping plate 54 and the inner surface of the second clamping plate 55 are arranged at intervals, and the height of each protrusion 58 is larger than half of the distance between the first clamping plate 54 and the second clamping plate 55.

Referring to fig. 1, in order to further improve the stability and the damping effect of the pulverizer, corresponding holes are formed in the support plate 6 and the cushion pad 7, a screw 9 is disposed in the hole, one end of the screw 9 is in threaded connection with the pulverizer body 1, the other end of the screw 9 is located below the support plate 6 and is fastened through a nut, and an elastic member 10 is further sleeved on the screw 9 located above the support plate 6.

In this embodiment, sound absorbing cotton is further filled in the accommodating space formed between the inner noise reduction layer 51 and the outer noise reduction layer 52.

When the utility model is applied in practice, the crushed material collides with the crusher under the action of the crusher, and the liner sound absorption pad 4 arranged in the crusher main body 1 can buffer the collision between the crushed material and the crusher main body 1, thereby reducing the noise; the buffer pad 7 arranged between the support plate 6 and the crusher main body 1 can effectively reduce the noise generated by the vibration of the crusher when the crusher is used, and the screw 9 and the elastic part 10 sleeved on the screw 9 positioned above the support plate 6 further improve the stability and the damping effect of the crusher; the shell 5 of making an uproar falls of rubbing crusher main part 1 outside setting for the sound wave is in proper order through the hole of making an uproar that falls on joint board 54, through the joint board 54 that corresponds the setting, the regional processing of making an uproar falls that forms between joint board two 55, a plurality of archs 58 that form respectively on the surface of joint board 54 and the internal surface of joint board two 55, when making the noise flow in the shell 5 of making an uproar falls, noise sound wave energy carries out a large amount of consumptions and energy conversion, thereby noise reduction effect has been improved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a rubbing crusher is with falling device of making an uproar which characterized in that: the noise reduction crusher comprises a crusher main body (1), wherein a feeding hole (2) is formed in the top of the crusher main body (1), a discharging hole (3) is formed in the bottom of the crusher main body (1), a lining sound absorption pad (4) is laid on the inner surface of the crusher main body (1), a plurality of fine holes are formed in the lining sound absorption pad (4), and a noise reduction shell (5) is covered on the outer surface of the crusher main body (1); a support plate (6) is arranged at the bottom of the pulverizer main body (1), a cushion pad (7) is arranged between the support plate (6) and the pulverizer main body (1), and a plurality of support legs (8) are further arranged at the bottom of the support plate (6);

the noise reduction shell (5) comprises an inner noise reduction layer (51), an outer noise reduction layer (52) and a protective layer (53) sleeved on the outer noise reduction layer (52), the inner noise reduction layer (51) and the outer noise reduction layer (52) are respectively provided with a plurality of noise reduction holes, a plurality of clamping plates I (54) are formed around the outer surface of the inner noise reduction layer (51), a plurality of clamping plates II (55) which are correspondingly clamped with the clamping plates I (54) respectively are formed around the inner surface of the outer noise reduction layer (52), the first clamping connection plate (54) and the second clamping connection plate (55) are both provided with a bending structure, a bolt (56) is arranged between the first clamping plate (54) and the second clamping plate (55), the first clamping plate (54) and the second clamping plate (55) separate the bolt (56) into an upper section, a middle section and a lower section, the upper, middle and lower sections of the bolt (56) are sleeved with springs (57).

2. The noise reduction device for the pulverizer as claimed in claim 1, wherein corresponding holes are formed on the support plate (6) and the cushion pad (7), a screw (9) is arranged in the hole, one end of the screw (9) is in threaded connection with the pulverizer body (1), the other end of the screw (9) is positioned below the support plate (6) and is fastened through a nut, and an elastic member (10) is sleeved on the screw (9) positioned above the support plate (6).

3. The noise reducer for pulverizer as claimed in claim 1, wherein a striker plate (21) is further disposed in the feeding port (2).

4. The noise reducer for pulverizer as claimed in claim 1, wherein sound-absorbing cotton is filled in the space formed between the inner noise reduction layer (51) and the outer noise reduction layer (52).

5. The noise reduction device for the pulverizer as claimed in claim 1, wherein the inner liner sound absorption pad (4) is further provided with a filter screen on an inner surface thereof.

6. The noise reducer for pulverizer as defined by claim 1 wherein, a plurality of protrusions (58) are formed on the outer surface of said first engaging plate (54) and the inner surface of said second engaging plate (55), respectively.