Feeding and mixing device for fertilizer

Abstract

A fertilizer feeding and mixing device comprises a feeding conveying mechanism and a mixing mechanism, the feeding conveying mechanism comprises a rack and a conveying belt, the mixing mechanism comprises a cylindrical shell and a plurality of supporting legs arranged on the lower portion of the cylindrical shell, and a feeding connector used for feeding fertilizer is formed in one side of the top of the shell; the diameter of the lower portion of the shell is gradually decreased to form an inverted-cone-shaped structure, a fertilizer discharging opening with a discharging valve is formed in the bottom of the shell, the rack comprises a front supporting frame, a rear supporting frame, a pair of connecting transverse rods and a pair of connecting inclined rods, the front supporting frame and the rear supporting frame are connected through the connecting transverse rods and the connecting inclined rods, and the top ends of the front supporting frame and the rear supporting frame are connected through the connecting inclined rods. According to the conveying device, the auxiliary feeding mechanism and the auxiliary discharging mechanism of the conveying device are arranged, and therefore the defects that feeding is too concentrated, and falling materials are too scattered in the discharging process are overcome. Compared with a conventional stirring mode, the stirring device is more uniform in stirring and high in efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to fertilizer production technical field, concretely relates to a kind of feeding mixing device for fertilizer. BACKGROUND

[0002] The mixing equipment in the production process of compound fertilizer, generally includes conveying feeding device and stirring device, and the height of the stirring device is usually high, so workers need to transport fertilizer raw materials to a high place when feeding, and then put them into the feeding hopper of the stirring device. The existing fertilizer feeding conveying device usually does not have an auxiliary feeding and discharging mechanism, and directly feeds and discharges by gravity. This often makes the fertilizer feeding of the conveying belt too concentrated, and the discharging too dispersed. The mixing and stirring device of the fertilizer usually directly sets a stirring shaft and a stirring paddle group in the shell, which often results in low stirring efficiency and long stirring time, thereby increasing power consumption and production cost of enterprises. SUMMARY

[0003] The utility model aims at the above-mentioned deficiencies, and provides a kind of feeding mixing device for fertilizer.

[0004] The utility model includes feeding conveying mechanism and mixing mechanism, the feeding conveying mechanism includes rack and the conveying belt being set on it, the mixing mechanism includes cylindrical shell and the multiple support legs being set in its lower part, the top side of shell is equipped with the feeding interface for fertilizer feeding, the lower part of shell gradually decreases in diameter and becomes inverted conical structure, the bottom of shell is equipped with fertilizer discharge port with discharge valve, and it is characterized by,

[0005] The rack includes front support frame, rear support frame and a pair of connecting horizontal rods and a pair of connecting inclined rods connecting the two, a pair of connecting inclined rods connect the top ends of front support frame and rear support frame, the top end of a pair of connecting inclined rods is equipped with driving roller, and the bottom end of a pair of connecting inclined rods is equipped with driven roller a; the lower part of the rack is also equipped with auxiliary feeding mechanism, the auxiliary feeding mechanism includes a group of support plates vertically fixed with the top end of front support frame and the lower part of a pair of connecting inclined rods, a square hopper fixed with the top of a group of support plates and a vertical rectangular cylinder part set at the bottom of square hopper for feeding the bottom of conveying belt; the conveying belt is arranged between driving roller and driven roller a, and driving roller is driven to rotate by conveying motor arranged on rear support frame; the top of the rack is equipped with auxiliary discharging mechanism, and the auxiliary discharging mechanism includes a pair of vertical plates connected with rear support frame and an inclined discharge chute fixed therewith, and the upper end of the inclined discharge chute is located directly below the top of conveying belt, and the lower end of the inclined discharge chute is located directly above the feeding interface at the top of shell.

[0006] The top center of the shell is provided with a bearing seat, a fixed bearing shaft in the bearing seat is connected with a stirring rod, the top end of the stirring rod is provided with a belt pulley, the bottom end of the stirring rod is located in the lower part of the shell, one side of the upper part of the shell is provided with a motor mounting seat, a belt motor is fixedly installed on the motor mounting seat, a motor wheel is arranged on the output shaft of the belt motor, and the motor wheel and the belt pulley are connected through a belt.

[0007] Preferably, the middle part of the pair of connecting inclined rods is further provided with a driven roller b.

[0008] Preferably, the group of supporting plates is composed of four supporting plates, and the four supporting plates are respectively fixedly connected with the top end of the front supporting frame and the lower part of the pair of connecting inclined rods.

[0009] Preferably, the vertical rectangular cylinder part is located directly above the bottom of the conveying belt.

[0010] Preferably, a pair of reinforcing connecting plates are further arranged between the rear supporting frame and the pair of connecting horizontal rods.

[0011] Preferably, the inclined discharging chute comprises a connecting plate fixedly connected with the pair of vertical plates, an inclined bottom plate fixedly connected with the bottom of the connecting plate, and vertical blocking plates arranged on both sides of the inclined bottom plate, the upper end of the vertical blocking plate is fixedly connected with the two sides of the connecting plate, and the length of the connecting plate is greater than the spacing between the pair of vertical plates.

[0012] Preferably, the two side edges of the conveying belt are provided with blocking skirts, a plurality of right triangular prisms are uniformly arranged on the outer surface of the conveying belt along the length direction, the right side of the right triangular prism is an inclined surface, the left side is a vertical surface, and the two sides of the right triangular prism are respectively bonded with the blocking skirts of the two side edges of the conveying belt.

[0013] Preferably, the inclined stirring rod is arranged upwardly, and the sleeve part and the pair of inclined stirring rods are integrally formed.

[0014] Preferably, the upper surface of the inverted conical cylinder is uniformly distributed with a plurality of spherical convex parts.

[0015] Preferably, the stirring paddle portions of the upper, middle and lower portions of the stirring rod are located above the inverted cone-shaped cylinder of the middle portion of the housing, below the inverted cone-shaped cylinder of the middle portion of the housing and above and below the inverted cone-shaped cylinder of the lower portion of the housing, respectively, and the length of the inclined stirring rod of the stirring paddle portion of the lower portion of the stirring rod is less than the length of the inclined stirring rod of the stirring paddle portions of the upper and middle portions of the stirring rod.

[0016] The utility model discloses the advantages are: through the setting of the auxiliary feeding mechanism and auxiliary discharging mechanism of conveying device, effectively overcome the defect that the fertilizer of conveying belt is too concentrated when feeding, and the material is too dispersed when discharging. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural diagram of the utility model.

[0018] Figure 2 It is the structural diagram of auxiliary feeding mechanism.

[0019] Figure 3 It is the structural diagram of auxiliary discharging mechanism.

[0020] Figure 4 It is the structural diagram of the outer surface of conveying belt.

[0021] Figure 5 It is the structural diagram of right angle prism.

[0022] Figure 6 It is the structural diagram of mixing mechanism.

[0023] Figure 7 It is the structural diagram of the inside of housing.

[0024] Figure 8 It is the structural diagram of stirring paddle portion.

[0025] Figure 9 It is the structural diagram of inverted cone-shaped cylinder. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the utility model embodiment described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application. It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] In the description of the embodiments of the application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the application when it is usually placed, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the application. In addition, if the terms "first", "second" and the like appear in the description of the application, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the embodiments of the application, it should also be noted that unless otherwise explicitly specified and limited, if the terms "set", "connected" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0030] As shown in the drawings, the application comprises a feeding conveying mechanism and a mixing mechanism, the feeding conveying mechanism comprises a rack and a conveying belt 31 arranged thereon, the mixing mechanism comprises a cylindrical shell 50 and a plurality of supporting legs 51 arranged at the lower part thereof, the top side of the shell 50 is provided with a feeding interface 58 for fertilizer feeding, the lower part of the shell 50 is gradually reduced in diameter to form a reverse conical structure, the bottom of the shell 50 is provided with a fertilizer discharge port 59 with a discharge valve;

[0031] The rack comprises a front support frame 32, a rear support frame 33 and a pair of connecting horizontal rods 34 and a pair of connecting inclined rods 35 connecting the two, the top ends of the front support frame 32 and the rear support frame 33 are connected by the pair of connecting inclined rods 35, the top ends of the pair of connecting inclined rods 35 are provided with driving rollers 36, and the bottom ends of the pair of connecting inclined rods 35 are provided with driven rollers a 37; The lower part of the rack is also provided with an auxiliary feeding mechanism 30, which comprises a set of support plates 38 fixedly connected with the top end of the front support frame 32 and the lower part of the pair of connecting inclined rods 35, a square hopper 39 fixedly connected with the top of the set of support plates 38, and a vertical rectangular cylinder 40 arranged at the bottom of the square hopper 39 for feeding the bottom of the conveying belt 31; The conveying belt 31 is arranged between the driving rollers 36 and the driven rollers a 37, and the driving rollers 36 are driven to rotate by a conveying motor 41 arranged on the rear support frame 33; The top of the rack is provided with an auxiliary discharging mechanism, which comprises a pair of vertical plates 42 connected with the rear support frame 33 and an inclined discharge chute 43 fixedly connected therewith, and the upper end of the inclined discharge chute 43 is located directly below the top of the conveying belt 31, and the lower end of the inclined discharge chute 43 is located directly above the feeding interface 58 at the top of the shell 50.

[0032] The top center of the shell 50 is provided with a bearing seat, a fixed bearing shaft in the bearing seat is connected with a stirring rod 53, the top end of the stirring rod 53 is provided with a belt pulley 54, the bottom end of the stirring rod 53 is located at the lower part of the shell 50, one side of the upper part of the shell 50 is provided with a motor mounting seat, a belt motor 55 is fixedly installed on the motor mounting seat, a motor wheel 56 is arranged on the output shaft of the belt motor 55, and the motor wheel 56 and the belt pulley 54 are connected through a belt 57; The middle and lower parts of the inner wall of the shell 50 are fixedly connected with an inverted conical cylinder 68, the lower end of the inverted conical cylinder 68 is provided with a circular gap for the falling of the fertilizer, the stirring rod 53 passes through the circular gap of the inverted conical cylinder 68 and extends above the fertilizer discharge port 59, and the upper, middle and lower parts of the stirring rod 53 are respectively provided with a stirring paddle part 60, which is composed of a sleeve part 61 fixedly connected with the stirring rod 53 and a pair of inclined stirring rods 62 symmetrically arranged on the two side walls of the sleeve part 61.

[0033] In another technical scheme, the middle part of the pair of connecting inclined rods 35 is also provided with a driven roller b 38.

[0034] In another technical scheme, the set of support plates 38 is composed of four support plates, and the four support plates are respectively fixedly connected with the top end of the front support frame 32 and the lower part of the pair of connecting inclined rods 35.

[0035] In another technical scheme, the vertical rectangular cylinder 40 is located directly above the bottom of the conveying belt 31, which is convenient for feeding the fertilizer.

[0036] In another technical solution, a pair of reinforcing connecting plates 44 are obliquely arranged between the rear support frame 33 and the pair of connecting horizontal rods 34, so as to make the frame more stable and reliable.

[0037] In another technical solution, the oblique discharge chute 43 comprises a connecting plate 45 fixedly connected with the pair of vertical plates 42, an oblique bottom plate 46 fixedly connected with the bottom of the connecting plate 45, and vertical blocking plates 47 arranged on both sides of the oblique bottom plate 46, the upper ends of the vertical blocking plates 47 being fixedly connected with the two sides of the connecting plate 45, and the length of the connecting plate 45 being greater than the spacing between the pair of vertical plates 42, i.e. greater than the width of the conveying belt 31.

[0038] In another technical solution, the two side edges of the conveying belt 31 are each provided with a blocking skirt 49, and a plurality of right triangular prisms 48 are uniformly bonded on the outer surface of the conveying belt 31 along the length direction thereof, the right side of each right triangular prism 48 being an inclined surface and the left side being a vertical surface, and the two sides of each right triangular prism 48 being bonded with the blocking skirt 49 of the two side edges of the conveying belt 31 respectively.

[0039] In another technical solution, the oblique stirring rod 62 is arranged upwardly, and forms a squeezing between the oblique stirring rod 62 and the upper surface of the inverted conical cylinder 68, so as to improve the stirring effect.

[0040] In another technical solution, the diameter of the circular gap is one fourth of the diameter of the shell 50.

[0041] In another technical solution, the upper surface of the inverted conical cylinder 68 is uniformly distributed with a plurality of spherical protrusions 63, so as to increase the stirring effect and avoid the fertilizer falling too fast.

[0042] In another technical solution, the sleeve part 61 and the pair of oblique stirring rods 62 are integrally formed, which are more stable and reliable.

[0043] In another technical solution, the stirring paddle parts 60 of the upper part, the middle part and the lower part of the stirring rod 53 are respectively located above the inverted conical cylinder 68 in the middle part of the shell 50, below the inverted conical cylinder 68 in the middle part of the shell 50, above the inverted conical cylinder 68 in the lower part of the shell 50, and below the inverted conical cylinder 68 in the lower part of the shell 50, so as to form a plurality of stirring areas and improve the stirring efficiency.

[0044] In another technical solution, the length of the oblique stirring rod of the stirring paddle part 60 of the lower part of the stirring rod 53 is less than the length of the oblique stirring rod of the stirring paddle part 60 of the upper part and the middle part of the stirring rod 53.

[0045] Working mode: the operator adds the fertilizer from the square hopper 39 of the auxiliary feeding mechanism, the fertilizer falls into the upper part of the conveying belt 31 from the vertical rectangular cylinder part 40, is surrounded by the adjacent two right-angle triangular prisms 48 and the material blocking skirt 49, is conveyed from bottom to top under the driving of the conveying motor 41, and after being conveyed to the upper end of the conveying belt 31, the fertilizer gradually slides under the action of gravity, the right side inclined surface of the right-angle triangular prism 48 can also form an angle for the fertilizer to roll down, so as to avoid that the fertilizer falls too fast. The fertilizer slides to the inclined discharge chute 43 of the auxiliary discharging mechanism, is surrounded by the inclined bottom plate 46 and the vertical material blocking plate 47, and finally is sent to the subsequent mixing mechanism. The fertilizer of the inclined discharge chute 43 falls from the feeding interface 58 at the top of the shell 50, then the belt motor 55 is started, the belt pulley 54 and the stirring rod 53 are driven to rotate through the motor wheel 56 and the belt 57, the stirring rod 53 drives the stirring rod 53 to rotate again, a plurality of stirring rods 53 and the inverted conical cylinder 68 in the middle and lower part of the shell 50 form a stirring area, a plurality of stirring areas are formed in the shell 50, compared with the conventional stirring mode, the present setting is more uniform and efficient, and after the mixing is completed, the fertilizer is discharged from the fertilizer discharge port 59.

[0046] The above implementation cases are only for illustrating the technical solutions and characteristics of the present application, the purpose is to better enable the person skilled in the art to implement, and cannot limit the protection scope of the present application, any equivalent changes or modifications according to the spirit and essence of the present application are within the protection scope of the present application, and the prior art not described in detail is the prior art.

Claims

1. A fertilizer feeding and mixing device, comprising a feeding conveying mechanism and a mixing mechanism, the feeding conveying mechanism comprising a frame and a conveying belt (31) arranged on the frame, and the mixing mechanism comprising a cylindrical shell (50) and a plurality of supporting legs (51) arranged at the lower part of the shell (50), the top side of the shell (50) being provided with a feeding interface (58) for fertilizer feeding, the lower part of the shell (50) being tapered in a reverse conical structure, and the bottom of the shell (50) being provided with a fertilizer outlet (59) with a discharge valve; characterized in that the frame comprises a front support frame (32), a rear support frame (33), and a pair of connecting horizontal rods (34) and a pair of connecting inclined rods (35) connecting the front support frame (32) and the rear support frame (33), the top ends of the front support frame (32) and the rear support frame (33) being connected by the pair of connecting inclined rods (35), the top ends of the pair of connecting inclined rods (35) being provided with driving rollers (36), and the bottom ends of the pair of connecting inclined rods (35) being provided with driven rollers a (37); the lower part of the frame is further provided with an auxiliary feeding mechanism (30), the auxiliary feeding mechanism (30) comprising a set of supporting plates (38) fixedly connected with the top end of the front support frame (32) and the lower part of the pair of connecting inclined rods (35), a square hopper (39) fixedly connected with the top part of the set of supporting plates (38), and a vertical rectangular cylindrical part (40) arranged at the bottom of the square hopper (39) for feeding the bottom of the conveying belt (31); the conveying belt (31) is arranged between the driving rollers (36) and the driven rollers a (37), and the driving rollers (36) are driven to rotate by a conveying motor (41) arranged on the rear support frame (33); the top of the frame is provided with an auxiliary discharge mechanism, the auxiliary discharge mechanism comprising a pair of vertical plates (42) connected with the rear support frame (33) and an inclined discharge chute (43) fixedly connected with the pair of vertical plates (42), and the upper end of the inclined discharge chute (43) being located directly below the top of the conveying belt (31), and the lower end of the inclined discharge chute (43) being located directly above the feeding interface (58) at the top of the shell (50); the top center of the shell (50) is provided with a bearing seat, a fixed bearing shaft in the bearing seat being connected with a stirring rod (53), the top end of the stirring rod (53) being provided with a belt pulley (54), the bottom end of the stirring rod (53) being located at the lower part of the shell (50), the upper part of the shell (50) being provided with a motor mounting seat, a belt motor (55) being fixedly mounted on the motor mounting seat, a motor pulley (56) being arranged on the output shaft of the belt motor (55), the motor pulley (56) and the belt pulley (54) being connected by a belt (57); the middle and lower parts of the inner wall of the shell (50) are fixedly connected with a reverse conical cylinder (68), the lower end of the reverse conical cylinder (68) being provided with a circular gap for fertilizer falling, the stirring rod (53) passing through the circular gap of the reverse conical cylinder (68) and extending above the fertilizer outlet (59), the upper, middle and lower parts of the stirring rod (53) being respectively provided with a stirring paddle part (60), the stirring paddle part (60) being composed of a sleeve part (61) fixedly connected with the stirring rod (53) and a pair of inclined stirring rods (62) symmetrically arranged on the side walls of the sleeve part (61). ​ 2. The fertilizer loading and mixing device according to claim 1, wherein The middle part of the pair of connecting inclined rods (35) is also provided with a driven roller b (38).

3. The fertilizer loading and mixing device according to claim 1, wherein The set of support plates (38) is composed of four support plates, which are respectively fixed to the top end of the front support frame (32) and the lower part of the pair of connecting inclined rods (35).

4. The fertilizer loading and mixing device according to claim 1, wherein The vertical rectangular cylinder (40) is located directly above the bottom of the conveying belt (31).

5. The fertilizer loading and mixing device of claim 1, wherein The rear support frame (33) is also inclined between the pair of connecting horizontal rods (34) and is provided with a pair of reinforcing connecting plates (44).

6. The fertilizer loading and mixing device of claim 1, wherein The inclined discharge chute (43) includes a connecting plate (45) fixed to the pair of vertical plates (42), an inclined bottom plate (46) fixed to the bottom of the connecting plate (45), and vertical blocking plates (47) arranged on both sides of the inclined bottom plate (46), the upper end of the vertical blocking plate (47) being fixed to the two sides of the connecting plate (45), and the length of the connecting plate (45) being greater than the distance between the pair of vertical plates (42).

7. The fertilizer mixing device of claim 1, wherein, The conveying belt (31) is provided with a blocking skirt (49) on both sides, and a plurality of right triangular prisms (48) are uniformly attached to the outer surface of the conveying belt (31) along the length direction, the right side of the right triangular prism (48) being an inclined surface and the left side being a vertical surface, and the two sides of the right triangular prism (48) being respectively attached to the blocking skirts (49) on both sides of the conveying belt (31).

8. The fertilizer charging and mixing device according to claim 1, characterized in that, The inclined stirring rod (62) is arranged upwardly, and the sleeve part (61) and the pair of inclined stirring rods (62) are integrally formed.

9. The fertilizer loading and mixing device of claim 1, wherein The upper surface of the inverted conical cylinder (68) is uniformly distributed with a plurality of spherical convex parts (63).

10. The fertilizer charging and mixing device according to claim 1, characterized in that, The stirring paddle parts (60) of the upper part, the middle part and the lower part of the stirring rod (53) are respectively located above the inverted conical cylinder (68) in the middle part of the shell (50), below the inverted conical cylinder (68) in the middle part of the shell (50), above the inverted conical cylinder (68) in the lower part of the shell (50), and below the inverted conical cylinder (68) in the lower part of the shell (50), and the length of the inclined stirring rod of the stirring paddle part (60) of the lower part of the stirring rod (53) is less than the length of the inclined stirring rod of the stirring paddle parts (60) of the upper part and the middle part of the stirring rod (53).

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