CN212032642U

CN212032642U - A muffler for feed grinder

Info

Publication number: CN212032642U
Application number: CN202020472827.3U
Authority: CN
Inventors: 范文友
Original assignee: Yangzhou Yongrong Machinery Co ltd
Current assignee: Yangzhou Yongrong Machinery Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-11-27
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to the technical field of noise reduction of feed crushers, in particular to a silencer for a feed crusher, which comprises a first silencing plate and a second silencing plate, wherein welding holes are respectively arranged on the first silencing plate and the second silencing plate, an adjusting rod is welded between the two welding holes, mounting cavities are respectively arranged in the first silencing plate and the second silencing plate, silencing cotton is filled in the mounting cavities, the opposite surfaces of the first silencing plate and the second silencing plate are respectively glued with a sound absorbing plate, and the opposite surfaces of the first silencing plate and the second silencing plate are respectively welded with a discharge pipe. The noise is reduced to a greater extent, the noise reduction effect is better, and the practical value is higher.

Description

A muffler for feed grinder

Technical Field

The utility model relates to a fodder grinder amortization technical field, in particular to a muffler for fodder grinder.

Background

In animal husbandry, the fodder is as the must article of livestock, its importance is self-evident, and the variety of fodder is various, most fodder all need carry out kibbling when actual production, this just needs to use the fodder rubbing crusher, current fodder rubbing crusher overall structure has been comparatively perfect, can carry out comparatively abundant crushing to the fodder through the rotatory crushing sword of high speed, make the fodder more be fit for the livestock and eat, however, the fodder rubbing crusher motor noise and the high-speed rotation of blade can all produce great noise when using, no matter whether the livestock or the workman be in for a long time under the great environment of noise all can have great influence to the health, serious time probably lead to the disease even, consequently all can select to install the muffler on many fodder rubbing crusher at present and weaken the noise.

The present muffler overall structure for feed grinder is too simple, and most all are the slabby thing that simple amortization cotton or other amortization materials were filled, though just also can realize certain noise cancelling effect, but still have some weak points and need improve, current muffler loading and unloading that is used for feed grinder is convenient inadequately on the one hand, application scope is also less, and the current muffler silencing effect that is used for feed grinder of on the other hand is not good enough, can't realize better silencing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a muffler for feed grinder to the loading and unloading that proposes in solving above-mentioned background art is inconvenient, application scope is little and the not good problem of noise cancelling effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a muffler for feed grinder, includes first acoustical panel and second acoustical panel, first acoustical panel with all seted up the welding hole on the second acoustical panel, two the welding has the regulation pole between the welding hole, first acoustical panel with the installation cavity has all been seted up in the second acoustical panel, it has the amortization cotton to pack in the installation cavity, first acoustical panel with the second acoustical panel in opposite directions one side all has glued the acoustical panel, first acoustical panel with the discharge pipe has all been welded to the one side that the second acoustical panel carried on the back mutually.

As a further aspect of the present invention: the installation cavity is divided into a filling cavity and a spiral silencing cavity through a partition plate, and the silencing cotton is located in the filling cavity.

As a further aspect of the present invention: a sound wave through groove is formed in one end of the spiral silencing cavity, and the sound wave through groove extends to one side of the sound absorption plate.

As a further aspect of the present invention: the first sound-absorbing plate and the second sound-absorbing plate are internally provided with colliding cavities, the internal rotation end of the spiral sound-absorbing cavity is communicated with the colliding cavities through a flow guide pipe, and the colliding cavities are communicated with the discharge pipe.

As a further aspect of the present invention: the number of the spiral silencing cavities in the first silencing plate and the number of the spiral silencing cavities in the second silencing plate are four.

As a further aspect of the present invention: the partition plate is made of sound-absorbing material.

As a further aspect of the present invention: the adjusting rod comprises a welding rod and a rotating pipe, an internal thread is formed in the rotating pipe, and an external thread is formed on the outer wall of the welding rod.

As a further aspect of the present invention: the welding rods are installed on the rotating pipe through the matching of the external threads and the internal threads, and the number of the welding rods is two.

Compared with the prior art, the utility model discloses a technological effect and advantage: the utility model discloses novel structure, detachable construction makes the utility model discloses loading and unloading still have stronger suitability when all more convenient, applicable in the rubbing crusher of different model thicknesses, inside unique spiral amortization cavity can carry out spiral water conservancy diversion and weaken the noise to finally make the sound wave clash, the noise size of having reduced of bigger degree, the noise cancelling effect is better, and practical value is higher.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a schematic diagram of the distribution of the middle mounting cavity of the present invention.

Fig. 3 is an internal schematic view of the middle adjusting rod of the present invention.

In the figure: 1. a first acoustical panel; 2. a second acoustical panel; 3. adjusting a rod; 4. a sound-absorbing panel; 5. installing a cavity; 6. a discharge pipe; 7. a sound wave through groove; 8. a flow guide pipe; 9. a collision chamber; 10. rotating the tube; 11. welding a rod; 12. an external thread; 13. an internal thread; 14. welding the hole; 15. spiral amortization cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a silencer for a feed grinder as shown in figures 1-3, which comprises a first silencing plate 1 and a second silencing plate 2;

as shown in fig. 1, welding holes 14 have been all seted up on first acoustical panel 1 and the second acoustical panel 2, the welding has adjusted pole 3 between two welding holes 14, has all seted up installation cavity 5 in first acoustical panel 1 and the second acoustical panel 2, and the intussuseption of installation cavity 5 is filled with the amortization cotton, and the equal cementing of the one side in opposite directions of first acoustical panel 1 and second acoustical panel 2 has abatvoix 4, and the one side that first acoustical panel 1 and second acoustical panel 2 carried on the back mutually all has welded discharge pipe 6.

The utility model discloses in, first acoustical panel 1 and second acoustical panel 2 are connected through adjusting pole 2, and the feed grinder of adaptable different width uses when in-service use, and it adjusts the pole 3 to adjust the distance between first acoustical panel 1 and the second acoustical panel 2 to go back the accessible rotation during use, makes the utility model discloses better laminating feed grinder's inner wall, installation cavity 5 in first acoustical panel 1 and the second acoustical panel 2 can realize better noise cancelling effect with the cooperation of acoustical panel 4 simultaneously.

As shown in fig. 2, be separated for filling chamber and spiral amortization cavity 15 through the division board in the installation cavity 5, the amortization is cotton to be located and fills the intracavity, spiral amortization cavity 15 one end has been seted up sound wave and has been led to groove 7, sound wave leads to groove 7 and extends to abatvoix 4 one side, clash chamber 9 has all been seted up in first abatvoix 1 and the second abatvoix 2, spiral amortization cavity 15's interior spiral end passes through honeycomb duct 8 and clash chamber 9 intercommunication, clash chamber 9 and discharge pipe 6 intercommunication, the quantity of spiral amortization cavity 15 in first abatvoix 1 and the second abatvoix 2 is four, the division board is made by inhaling the sound material.

The utility model discloses in, the packing chamber in the installation cavity 5 is used for filling the amortization cotton, and spiral amortization cavity 15 then is used for the conduction of sound wave, and the sound wave can constantly be weakened by the amortization cotton of both sides when spiral amortization cavity 15 conduction, even the too big amortization cotton of sound wave can't absorb comprehensively, remaining sound wave also can enter into the clash chamber 9 through honeycomb duct 8 in, four honeycomb ducts 8 two liang are relative, and the sound wave can be clash mutually and offset to realize better noise cancelling effect.

As shown in fig. 3, the adjusting rod 3 includes a welding rod 11 and a rotating tube 10, an internal thread 13 is provided in the rotating tube 10, an external thread 12 is provided on the outer wall of the welding rod 11, the welding rod 11 is installed on the rotating tube 10 through the cooperation of the external thread 12 and the internal thread 13, and the number of the welding rods 11 is two.

The utility model discloses in, the structural design who adjusts pole 3 makes the utility model discloses only need place feed grinder both sides respectively with first acoustical panel 1 and second acoustical panel 2 when using, then place between two welding rod 11 with rotating-tube 10, rotate rotating-tube 10 again, utilize external screw thread 12 and internal thread 13's cooperation to screw up two welding rod 11, and then make the distance between first acoustical panel 1 and the second acoustical panel 2 draw close, finally realize fixedly. Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A silencer for a feed grinder, comprising a first (1) and a second (2) silencing plate, characterized in that: first acoustical panel (1) with all seted up welding hole (14) on second acoustical panel (2), two the welding has adjusted pole (3) between welding hole (14), first acoustical panel (1) with installation cavity (5) have all been seted up in second acoustical panel (2), the intussuseption of installation cavity (5) is filled with the amortization cotton, first acoustical panel (1) with second acoustical panel (2) one side in opposite directions all has glued joint acoustical panel (4), first acoustical panel (1) with discharge pipe (6) have all been welded to the one side that second acoustical panel (2) carried on the back mutually.

2. A silencer for a feed grinder as claimed in claim 1, wherein: the installation cavity (5) is internally divided into a filling cavity and a spiral silencing cavity (15) through a partition plate, and the silencing cotton is positioned in the filling cavity.

3. A silencer for a feed grinder as claimed in claim 2, wherein: and a sound wave through groove (7) is formed in one end of the spiral silencing cavity (15), and the sound wave through groove (7) extends to one side of the sound absorption plate (4).

4. A silencer for a feed grinder as claimed in claim 3, wherein: the first sound-absorbing plate (1) and the second sound-absorbing plate (2) are internally provided with collision cavities (9), the internal rotation end of the spiral sound-absorbing cavity (15) is communicated with the collision cavities (9) through a guide pipe (8), and the collision cavities (9) are communicated with the discharge pipe (6).

5. A silencer for a feed grinder as claimed in claim 4, wherein: the number of the spiral silencing cavities (15) in the first silencing plate (1) and the second silencing plate (2) is four.

6. A silencer for a feed grinder as claimed in claim 2, wherein: the partition plate is made of sound-absorbing material.

7. A silencer for a feed grinder as claimed in claim 1, wherein: the adjusting rod (3) comprises a welding rod (11) and a rotating pipe (10), an internal thread (13) is formed in the rotating pipe (10), and an external thread (12) is formed in the outer wall of the welding rod (11).

8. The muffler for a feed grinder of claim 7, wherein: the welding rods (11) are installed on the rotating pipe (10) through the matching of the external threads (12) and the internal threads (13), and the number of the welding rods (11) is two.