CN212128003U

CN212128003U - Tobacco stem fertilizer prilling granulator

Info

Publication number: CN212128003U
Application number: CN202020866945.2U
Authority: CN
Inventors: 李佑星
Original assignee: Hubei Nuofeng Biotechnology Co Ltd
Current assignee: Hubei Nuofeng Biotechnology Co Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-12-11
Anticipated expiration: 2030-05-21

Abstract

The utility model provides a tobacco stem fertilizer granulating device, which comprises a feeding mechanism, wherein the feeding mechanism comprises a driving motor, the driving motor is covered with a shell for guiding wind and reducing noise, a plurality of annular noise reduction cavities which are distributed at intervals are arranged on the side wall of the shell, and each noise reduction cavity is communicated with the inside of the shell through a plurality of connecting holes; the shell is provided with an air inlet channel and an air outlet channel which are arranged oppositely along the arrangement direction of the noise reduction chambers, and an exhaust fan is arranged in the air outlet channel. The shell is arranged outside the driving motor, and can effectively guide out the heat energy generated by the driving motor, enhance the heat exchange effect and prolong the service life of the driving motor; and the porous structure that the casing set up still falls the noise that driving motor produced and makes an uproar the processing, and noise pollution is reduced more does benefit to the production environment.

Description

Tobacco stem fertilizer prilling granulator

Technical Field

The utility model relates to a granulator technical field, in particular to tobacco stem fertilizer prilling granulator.

Background

The tobacco stem fertilizer is one of the biological organic fertilizers, and compared with other biological organic fertilizers, the tobacco stem fertilizer also has the effects of sterilization and disinsection, so that the use of partial pesticides is avoided, and the tobacco stem fertilizer is more green and environment-friendly.

A granulator is required to be used in the production process of the tobacco stem fertilizer, the granulator in the prior art comprises a disc granulator, a ring mould granulator and the like, and the ring mould granulator is required to be used when the tobacco stem fertilizer is granulated by a dry method.

As shown in fig. 1, a ring die pelletizer in the prior art mainly includes a feeding funnel 102, a screw feeder communicated with the feeding funnel 102, and a pelletizing box 107 disposed at the discharge end of the screw feeder, a ring die 106 connected to the discharge end of the screw feeder is disposed in the pelletizing box 107, a plurality of molding holes are disposed on the ring die 106, and a plurality of squeeze rollers 105 are disposed in the ring die 106; the spiral feeder comprises a feeding groove and a rotating shaft 103 arranged in the feeding groove, one end of the rotating shaft 103 penetrates through the feeding groove and is connected with a driving motor 101, the other end of the rotating shaft 103 extends into a ring die 106, and a spiral feeding blade 104 is arranged on the portion, positioned in the feeding groove, of the rotating shaft 103; the plurality of squeeze rollers 105 are arranged in parallel with the rotating shaft 103, and both ends of each squeeze roller 105 are rotatably connected to a set of mounting plates provided on the rotating shaft 103.

The mixed bulk material is guided in from a feeding hopper and falls into a feeding groove, a driving motor 101 rotates to enable the bulk material in the feeding groove to move into a ring die 106 under the action of a spiral feeding blade 104, the bulk material entering the ring die 106 is extruded by a plurality of extrusion rollers 105 rotating along with a rotating shaft 103 and is guided out from a forming hole arranged on the ring die 106, granulation is completed, and finished product particles are guided out through a discharge channel 108 communicated with a granulation box 107.

The ring die granulator is for extruding the type granulator, axis of rotation 103 needs enough big power, just can drive squeeze roll 105 with the bulk cargo extrusion ejection of compact in the shaping hole, required driving motor 101 is high-power motor, this type of motor is very big at operation in-process noise, for noise abatement pollution, the method of the sponge of making an uproar falls in direct parcel of adoption generally, but the sponge of parcel is unfavorable for the heat dissipation of motor again, shorten motor practical life easily, so it is existing necessary to provide one kind and can effectively ensure the granulation equipment that the motor dispels the heat and falls the noise.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a tobacco stem fertilizer prilling granulator has solved among the prior art problem that high-power motor heat dissipation is not good when the noise is big or the sponge is fallen and is fallen the noise in the use.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a tobacco stem fertilizer granulating device comprises a feeding mechanism, wherein the feeding mechanism comprises a driving motor, a shell for guiding wind and reducing noise is covered on the driving motor, a plurality of annular noise reduction cavities which are distributed at intervals are formed in the side wall of the shell, and each noise reduction cavity is communicated with the inside of the shell through a plurality of connecting holes;

the shell is provided with an air inlet channel and an air outlet channel which are oppositely arranged along the arrangement direction of the noise reduction chambers, and an exhaust fan is arranged in the air outlet channel.

The principle of the utility model is as follows: the exhaust fan works to drive cold air outside the shell to move towards the shell and lead out hot air in the shell so as to generate flowing air flow in the shell; although the air inlet channel and the air outlet channel which are arranged on the shell are easy to discharge the noise generated when the driving motor works, the noise is essentially energy and vibration conduction, and the airflow flowing in the shell can carry the conduction, so that the diffusion direction of the noise is easy to be consistent with the airflow direction, and the noise diffused along the airflow direction can be effectively reduced through the porous structure arranged in the shell. Because each noise reduction cavity and the plurality of connecting holes communicated with the noise reduction cavity form a sound absorption structure similar to a perforated plate, the sound absorption structure of the perforated plate is actually a resonance sound absorption structure formed by connecting a plurality of single resonators in parallel, and the plurality of connecting holes are formed in the wall of a closed cavity formed by the noise reduction cavities and communicated with the air in the shell; the aperture and the length of the connecting hole are designed to be smaller than the wavelength of sound waves, and the elastic deformation of an air column in the connecting hole is very small and can be regarded as a mass block without deformation; the air in the noise reduction chamber makes elastic vibration along with sound waves, which is equivalent to a spring, and the incident sound waves excite an air column (similar to the spring) in the neck of the connecting hole to reciprocate to rub with the neck wall, so that part of sound energy is converted into heat energy to be consumed, and the purposes of noise reduction and noise reduction are achieved.

Compared with the prior art, the utility model discloses following beneficial effect has: the shell is arranged outside the driving motor, and can effectively guide out the heat energy generated by the driving motor, enhance the heat exchange effect and prolong the service life of the driving motor; and the porous structure that the casing set up still falls the noise that driving motor produced and makes an uproar the processing, and noise pollution is reduced more does benefit to the production environment.

Drawings

FIG. 1 is a schematic diagram of a prior art pelletizer;

FIG. 2 is a schematic structural view of the granulation apparatus of the present invention;

FIG. 3 is a schematic view of the housing of the present invention;

FIG. 4 is a schematic view of the ring mold and the support ring of the present invention;

FIG. 5 is a schematic view showing the cooperation of the ring die with the squeeze roll and the rotating shaft according to the present invention;

fig. 6 is a view of the installation of the rotating shaft and the squeeze roll in cooperation.

In the figure: 1. a drive motor; 2. a housing; 3. a third belt pulley; 4. a first drive belt; 5. a first pulley; 6. mounting a rod; 7. a stirring shaft; 8. a stirring rod; 9. a feed hopper; 10. a feed chute; 11. a rotating shaft; 12. a helical feeding blade; 13. performing ring die; 14. a support ring; 15. a reinforcing rod; 16. a baffle plate; 17. a bolt; 18. a material guide chute; 19. a material receiving frame; 20. placing a groove; 21. a movable seat; 22. a slider; 23. a fixed seat; 24. a sliding groove; 25. a connecting rod; 26. rotating the disc; 27. a fixed shaft; 28. a first bevel gear; 29. a second bevel gear; 30. a connecting shaft; 31. a fourth belt pulley; 32. a second drive belt; 33. a frame; 34. a second pulley; 35. a squeeze roll; 201. an air outlet channel; 202. an exhaust fan; 203. a noise reduction chamber; 204. connecting holes; 205. an air inlet channel; 351. mounting a plate; 131. an annular reinforcing plate; 132. connecting ribs; 133. a pressing plate; 134. and (5) forming holes.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 2 and 3, an embodiment of the present invention provides a tobacco stem fertilizer granulating apparatus, including a feeding mechanism disposed on a frame 33 and the frame 33, and a ring mold granulating mechanism connected to the feeding mechanism, wherein the feeding mechanism further includes a feeding chute 10, a rotating shaft 11 rotatably connected to the feeding chute 10, and a spiral feeding blade 12 disposed on the rotating shaft 11, one end of the rotating shaft 11 is located outside the feeding chute 10 and connected to a driving motor 1, the driving motor 1 is covered with a housing 2 for guiding wind and reducing noise, a plurality of annular noise reduction chambers 203 arranged at intervals are disposed on a side wall of the housing 2, and each noise reduction chamber 203 is communicated with the inside of the housing 2 through a plurality of connecting holes 204; an air inlet channel 205 and an air outlet channel 201 which are oppositely arranged along the arrangement direction of the plurality of noise reduction chambers 203 are arranged on the shell 2, and an exhaust fan 202 is arranged in the air outlet channel 201.

The exhaust fan 202 operates to drive the cool air outside the housing 2 to move toward the inside of the housing 2, and to guide the hot air inside the housing 2 out. Since the air inlet channel 205 and the air outlet channel 201 formed on the housing 2 easily discharge the noise generated by the operation of the driving motor 1, but the nature of the noise is energy and vibration conduction, and the air flow flowing in the housing 2 can carry the conduction, the diffusion direction of the noise is easily consistent with the air flow direction, and the noise diffused in the air flow direction can be effectively reduced by the porous structure arranged in the housing 2. Because each noise reduction chamber 203 and the plurality of connecting holes 204 communicated with the noise reduction chamber form a perforated-plate-like sound absorbing structure which is actually a resonance sound absorbing structure formed by connecting a plurality of single resonators in parallel, the plurality of connecting holes 204 are formed in the wall of the closed cavity formed by the noise reduction chamber 203 and communicated with the air in the housing 2; the aperture and the length of the connecting hole 204 are designed to be smaller than the wavelength of sound waves, and the elastic deformation of the air column in the connecting hole 204 is very small, so that the connecting hole can be regarded as a non-deformation mass block; the air in the noise reduction chamber 203 elastically vibrates with the sound wave, which is equivalent to a spring, and the incident sound wave excites an air column (similar to a spring) in the neck of the connecting hole 204 to reciprocate and rub with the neck wall, and part of sound energy is converted into heat energy to be consumed, so that the purposes of noise reduction and noise reduction are achieved. Specifically, the design of the aperture and the length of the connecting hole 204 is carried out according to the noise characteristicsThen, the formula of silencing by helmholtz resonators can be referred to:

where f is the resonant frequency, c is the speed of sound, S is the cross-sectional area of the neck or opening, d is the diameter of the neck or opening, l is the length of the neck, and V is the volume of the vessel. The corresponding S is the area of the connection hole 204, d is the aperture of the connection hole 204, l is the length of the connection hole 204, and V is the volume of the noise reduction chamber 203 corresponding to the plurality of connection holes 204.

The shell 2 is covered outside the driving motor 1, and the shell 2 can effectively guide out the heat energy generated by the work of the driving motor 1, thereby enhancing the heat exchange effect and prolonging the service life of the driving motor 1; and the porous structure that casing 2 set up still falls the noise that driving motor 1 produced and makes an uproar the processing, and noise pollution is reduced more does benefit to the production environment.

As shown in fig. 2, in order to facilitate the feeding and discharging of the feeding mechanism, a feeding port and a discharging port are arranged on the feeding chute 10, the feeding port is connected with a feeding funnel 9, and the discharging port is connected with the ring die granulation mechanism.

Bulk cargo of tobacco stem fertilizer contains the root skin of plant, blocks up feed hopper 9 easily in the feeding process, for avoiding this problem, the utility model discloses be equipped with in feed hopper 9 and prevent stifled subassembly, as shown in fig. 2, prevent that stifled subassembly includes puddler 8 that sets up on (mixing) shaft 7 and the (mixing) shaft 7, (mixing) shaft 7 one end is located feed hopper 9 external connection and has first belt pulley 5, and first belt pulley 5 is connected with second belt pulley 34 through first driving belt 4, second belt pulley 34 and the coaxial setting of axis of rotation 11. Wherein the stirring shaft 7 is connected with the feeding chute 10 through the mounting rod 6, and the stirring shaft 7 is rotatably connected with the mounting rod 6 through a bearing. The (mixing) shaft 7 utilizes the axis of rotation 11 to rotate the power that produces to carry out the transmission through first belt pulley 5, first drive belt 4 and second belt pulley 34 and drive, (mixing) shaft 7 rotates and drives the rotation of puddler 8, can effectively avoid feeding in-process bulk cargo to block up feed hopper 9's problem.

Bulk materials led into the feeding groove 10 from the feeding hopper 9 are fed along the length direction of the rotating shaft 11 by the rotating spiral feeding blade 12 and enter the ring die granulating mechanism for granulation. As shown in fig. 2, 4, 5, and 6, specifically, the ring die granulation mechanism includes a granulation tank, a ring die 13 provided in the granulation tank, and a plurality of squeeze rollers 35 provided in the ring die 13; the ring die 13 comprises a plurality of annular reinforcing plates 131 which are parallel to each other and sequentially arranged at intervals, a plurality of connecting ribs 132 are arranged between any two adjacent annular reinforcing plates 131, an extruding plate 133 is arranged between any two adjacent connecting ribs 132 for connecting the same annular reinforcing plates 131, a plurality of forming holes 134 are uniformly distributed on the extruding plate 133, the annular reinforcing plate 131 at the head of installation is connected with a discharge hole of the feeding groove 10, the annular reinforcing plate 131 at the tail of installation is connected with the support ring 14, reinforcing rods 15 are arranged in the support ring 14, and the other end of the rotating shaft 11 is rotatably connected with the reinforcing rods 15 through bearings. The ring mould among the prior art is mostly cylindric, offers the shaping hole on the ring mould lateral wall, because extrusion type granulator has great pressure at the extrusion in-process, and the ring mould of cylindric structure very easily damages at the extrusion process of material, and the utility model discloses the ring mould 13 that sets up can effectively solve this problem, and annular gusset plate 131 and splice bar 132's cooperation can effectively increase the mechanical strength of ring mould 13, and the shaping hole 134 on stripper plate 133 and the stripper plate 133 can effectively extrude the granulation again, has improved the holistic mechanical strength of ring mould 13, increases the life of ring mould 13.

In order to effectively manage the rotation kinetic energy of the rotating shaft 11, a plurality of squeeze rollers 35 are connected with the rotating shaft 11 extending into the ring die 13, the plurality of squeeze rollers 35 are arranged in parallel with the rotating shaft 11, and both ends of each squeeze roller 35 are rotatably connected with a group of mounting plates 351 arranged on the rotating shaft 11; squeeze roll 35 can also rotate at the pivoted in-process, and when the bulk cargo pile was too much, squeeze roll 35 rotated when the contact bulk cargo, reduced the effort of contact between the two, prolonged squeeze roll 35's life, reduced deformation.

In order to facilitate the granulation blanking which passes through the forming holes 134 and facilitate the replacement of the ring die 13, the utility model discloses a granulation box is provided with an access hole and a material guiding hole, the access hole is detachably connected with a baffle 16 through a bolt 17, and the material guiding hole is provided with a material guiding groove 18.

The granulating device can be applied to a production line, namely, a feeding conveyer is arranged at the feeding hopper 9, and a discharging conveyer is arranged at the discharging end of the guide chute 18, so that manual feeding and discharging are not needed. Meanwhile, the granulating device can also be used for semi-automatic production, namely manual feeding and blanking, one operator feeds materials in the feeding hopper 9, the other operator sets the material receiving frame 19 at the discharging end of the material guide groove 18 to receive the materials, and the material receiving frame 19 at the discharging end of the material guide groove 18 needs to pay attention to the granulation accumulation condition in the material receiving frame 19 all the time, so that granulation overflow is avoided. However, the operation of operators for blanking is single, the labor utilization rate is low, and the labor cost in the fertilizer granulation stage is increased. For solving this problem, as shown in fig. 2, the utility model discloses what set up connects material frame 19 to be equipped with the tamping mechanism that the cooperation was used, tamping mechanism includes sliding connection's sliding seat 21 and fixing base 23, and sliding seat 21 upper surface is equipped with places recess 20, conveniently places and connects material frame 19, and sliding seat 21 bottom is equipped with sliding block 22, be equipped with on fixing base 23 with sliding block 22 sliding fit's sliding tray 24, sliding block 22 and sliding tray 24's cooperation are the sliding positioning who is convenient for sliding seat 21 and fixing base 23, also be convenient for sliding seat 21 reciprocating motion on fixing base 23 under drive assembly's effect. The movable seat 21 capable of moving back and forth can drive the material receiving frame 19 to move back and forth, the material receiving frame 19 can tamp the granulated materials led into the material receiving frame 19 by the back and forth movement, an operator does not need to be additionally arranged to dial the materials independently, the operator only needs to check the material conditions in the material receiving frame 19 at regular time in the material feeding interval, and labor cost in the fertilizer granulating stage is saved.

In order to reduce noise pollution and effectively utilize the power source of the driving motor 1, the driving assembly provided by the utility model comprises a transmission part and a driving part, wherein the transmission part comprises a third belt pulley 3 coaxially arranged with the rotating shaft 11, a fourth belt pulley 31 connected with the third belt pulley 3 through a second transmission belt 32 and a first bevel gear 28 coaxially arranged with the fourth belt pulley 31; wherein the fourth belt pulley 31 is connected with the first bevel gear 28 through a connecting shaft 30, and the connecting shaft 30 is rotatably connected with a frame 33. The driving part comprises a rotating disk 26 which is coaxially arranged, a second bevel gear 29 and a connecting rod 25 which is hinged and arranged at the eccentric position of the rotating disk 26, wherein the second bevel gear 29 is meshed with a first bevel gear 28, and the connecting rod 25 is hinged and arranged with the movable seat 21. The rotating disk 26 is connected to the second bevel gear 29 by a fixed shaft 27, and the fixed shaft 27 is rotatably connected to the frame 33. The driving motor 1 works to drive the rotating shaft 11 to rotate, the rotating shaft 11 rotates to drive the third belt pulley 3 to rotate, the third belt pulley 3 rotates to drive the fourth belt pulley 31 to rotate, the fourth belt pulley 31 rotates to drive the first bevel gear 28 to rotate, the first bevel gear 28 rotates to drive the second bevel gear 29 meshed with the first bevel gear to rotate, the second bevel gear 29 rotates to drive the rotating disc 26 coaxially arranged to rotate, the rotating disc 26 rotates to enable the movable seat 21 to reciprocate on the fixed seat 23 through the connecting rod 25, the material receiving frame 19 placed on the movable seat 21 is shaken, and the tamping of particles in the material receiving frame 19 is facilitated.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a tobacco stem fertilizer prilling granulator, includes feeding mechanism, feeding mechanism includes driving motor, its characterized in that: the driving motor cover is provided with a shell for guiding wind and reducing noise, the side wall of the shell is provided with a plurality of annular noise reduction cavities which are distributed at intervals, and each noise reduction cavity is communicated with the inside of the shell through a plurality of connecting holes;

2. The tobacco stem fertilizer granulation device according to claim 1, wherein: the feeding mechanism further comprises a feeding groove, a rotating shaft and a spiral feeding blade, wherein the rotating shaft is rotatably connected with the feeding groove in the feeding groove, the spiral feeding blade is arranged on the rotating shaft, and one end of the rotating shaft is positioned outside the feeding groove and is connected with a driving motor.

3. A tobacco stem fertilizer granulation apparatus as defined in claim 2, wherein: the chute feeder is provided with a feed inlet and a discharge outlet, the feed inlet is connected with a feed hopper, and the discharge outlet is connected with a ring die granulation mechanism.

4. A tobacco stem fertilizer granulation apparatus as defined in claim 3, wherein: be equipped with in the feed hopper and prevent stifled subassembly, prevent stifled subassembly including the puddler of (mixing) shaft and setting up on the (mixing) shaft, (mixing) shaft one end is located feed hopper outer joint and is connected with first belt pulley, and first belt pulley is connected with the second belt pulley through first driving belt, and second belt pulley and the coaxial setting of axis of rotation.

5. A tobacco stem fertilizer granulation apparatus as defined in claim 4, wherein: the ring die granulation mechanism comprises a granulation box, a ring die arranged in the granulation box and a plurality of extrusion rollers arranged in the ring die;

the ring die comprises a plurality of annular reinforcing plates which are parallel to each other and are sequentially arranged at intervals, a plurality of connecting ribs are arranged between any two adjacent annular reinforcing plates, an extrusion plate is arranged between any two adjacent connecting ribs which are connected with the same two annular reinforcing plates, a plurality of forming holes are uniformly distributed in the extrusion plate, and the annular reinforcing plate at the mounting head is connected with a discharge hole of the feeding groove;

the extrusion rollers are connected with a rotating shaft extending into the ring die, the extrusion rollers are arranged in parallel with the rotating shaft, and two ends of each extrusion roller are rotatably connected with a group of mounting plates arranged on the rotating shaft;

the granulating box is provided with an access hole and a material guide hole, the access hole is detachably connected with a baffle, and the material guide hole is provided with a material guide groove.

6. A tobacco stem fertilizer granulation apparatus as defined in claim 5, wherein: the gathering sill discharging end is provided with a gathering frame, the gathering frame is provided with a tamping mechanism which is matched with the gathering sill, the tamping mechanism comprises a movable seat and a fixed seat which are connected in a sliding mode, the gathering frame is placed on the movable seat, and the movable seat is driven by a driving assembly to move on the fixed seat in a reciprocating mode.

7. The tobacco stem fertilizer granulation device according to claim 6, wherein: the driving assembly comprises a transmission part and a driving part, wherein the transmission part comprises a third belt pulley which is coaxially arranged with the rotating shaft, a fourth belt pulley which is connected with the third belt pulley through a second transmission belt, and a first bevel gear which is coaxially arranged with the fourth belt pulley; the driving part comprises a rotating disk, a second bevel gear and a connecting rod, wherein the rotating disk and the second bevel gear are coaxially arranged, the connecting rod is hinged to the eccentric position of the rotating disk, the second bevel gear is meshed with the first bevel gear, and the connecting rod is hinged to the movable seat.