Screening device for fertilizer granulator

Abstract

The utility model belongs to the technical field of fertilizer production, and particularly relates to a screening device for a fertilizer pelletizer, which comprises a bottom plate, four support columns, a plurality of supporting rods, a plurality of supporting rods, a plurality of supporting rods, a plurality of supporting rods, a plurality of supporting rods, a plurality of supporting rods and a plurality of supporting rods, and is characterized in that the bottom ends of the four supporting rods are fixedly mounted at the top of the bottom plate; the number of the first springs is four, and the bottom ends of the first springs are fixedly installed at the top ends of the corresponding supporting columns; the bottom of the screening box and the top ends of the four first springs are fixedly installed, the top of the screening box fixedly communicates with a feeding pipe, and the front end of the screening box fixedly communicates with a first discharging pipe and a second discharging pipe; according to the screen plate assembly and disassembly device, rapid assembly and disassembly of the screen plate are achieved through a simple structure, so that the screen plate can be rapidly maintained, personnel operation is facilitated, the screening efficiency and effect of the screen plate can be guaranteed, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to fertilizer production technical field especially relates to a screening device for fertilizer granulator. BACKGROUND

[0002] Fertilizer refers to provide one or more than one plant necessary nutrient element, improve soil property, raise soil fertility level a kind of substance, it is one of the material basis of agricultural production. Mainly include ammonium phosphate fertilizer, large amount of element water-soluble fertilizer, medium amount element fertilizer, biological fertilizer, organic fertilizer, multi-dimensional field energy concentrated organic fertilizer and so on.

[0003] Fertilizer granulator realizes granulation by compressing fertilizer powdery raw materials into granules. Mainly has the following working principles: extrusion granulation: raw materials are extruded into granules by two or more rollers in the machine, and then cut into the required size. Disc granulation: raw materials form granules in a rotating disc granulator, and the rotation of the disc and the spraying system make the raw materials roll and bond on the disc surface. Cylinder granulation: raw materials are heated and pressurized in a rotating cylinder to form granules, and the granules are removed by the rotation of the cylinder; and after the fertilizer granulator granulates the fertilizer, it is necessary to screen the unqualified fertilizer before packaging and selling.

[0004] In the prior art, the Chinese patent document with application number 202320059252.6 discloses a fertilizer screening device, which comprises a screening box, which is a rectangular box structure, the screening box is inclined, the upper part of the higher end of the screening box is provided with a fertilizer granule feeding hopper, the middle and bottom of the lower end of the screening box are respectively provided with a fertilizer qualified granule discharge port and a broken material discharge port, and the bottom of the screening box is provided with a vibration motor; a screening mechanism is fixedly connected to the inner wall of the screening box, which comprises a horizontal screen plate, an inclined screen plate and a vertical connecting plate connecting the two. The utility model has high efficiency when screening granular fertilizer, is convenient for workers to use and improves the work efficiency of workers.

[0005] However, the above technical solution has the problem that the screen plate is not convenient to disassemble and maintain, and after long-term use, some screen holes on the screen plate may be blocked, which affects the screening efficiency and effect of the fertilizer if not cleaned in time, and the practicality is poor. Therefore, we propose a screening device for fertilizer granulator to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of screening devices for fertilizer granulator, including bottom plate, the screening device further includes:

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] A kind of screening device for fertilizer granulator, including bottom plate, the screening device further includes:

[0009] Support column, it is set to four, the bottom end of four support column is fixedly installed at the top of bottom plate;

[0010] First spring, it is set to four, the bottom end of first spring is fixedly installed at the top of corresponding support column;

[0011] Screening box, the bottom of screening box is fixedly installed with the top of four first springs respectively, the top of screening box is fixedly communicated with feed pipe, the front end of screening box is fixedly communicated with first discharge pipe and second discharge pipe respectively;

[0012] Vibration motor, vibration motor is fixedly installed at the bottom of screening box;

[0013] Screening plate, mounting hole is set up on the left side inner wall of screening box, the right end of screening plate penetrates mounting hole and is in contact with the right side inner wall of screening box, a plurality of positioning rods are installed on the right side of screening plate, the right end of a plurality of positioning rods all penetrates the right side inner wall of screening box and extends to the outside of screening box, plug hole is set up on the positioning rod in middle;

[0014] Positioning assembly, positioning assembly is set on the right side of screening box, and positioning assembly is matched with plug hole.

[0015] As a preferred scheme of the utility model, the left side of the screening plate is fixedly installed with a sealing plate, and the right side of the sealing plate is in contact with the left side of the screening box.

[0016] As a preferred scheme of the utility model, a plurality of positioning holes are set up on the right side inner wall of the screening box, and the right end of the positioning rod penetrates the corresponding positioning hole and is in sliding contact with the inner wall of the positioning hole.

[0017] As a preferred scheme of the utility model, the positioning assembly comprises two sliding blocks, two sliding shafts, a sliding rod, a plug rod, a fixed plate and a screw rod, the left ends of the two sliding blocks are slidably connected to the right side of the screening box, the left ends of the sliding shafts are fixedly installed on the corresponding sliding blocks, the sliding rod is slidably connected to the two sliding shafts respectively, the bottom end of the plug rod is fixedly installed on the top of the sliding rod, the top end of the plug rod penetrates through the insertion hole and slidably contacts with the inner wall of the insertion hole, the front end and the rear end of the fixed plate are fixedly installed on the two sliding shafts respectively, and the left end of the screw rod penetrates through the sliding rod and is threadedly connected with the sliding rod.

[0018] As a preferred scheme of the utility model, two sliding grooves are formed in the right side inner wall of the screening box, and the sliding blocks are slidably connected in the corresponding sliding grooves.

[0019] As a preferred scheme of the utility model, the bottom inner wall of each of the two sliding grooves is fixedly connected with a second spring, and the top end of the second spring is fixedly installed on the bottom of the sliding block.

[0020] Beneficial effects:

[0021] 1. The four first springs elastically support the screening box, the vibration motor is started to drive the screening box to vibrate, so that the screen plate is vibrated, the fertilizer entering through the feeding pipe is vibrated and screened, the qualified fertilizer is discharged through the first discharge pipe and collected, and the unqualified fertilizer is discharged through the second discharge pipe and collected.

[0022] 2. The sliding block, the two sliding shafts, the sliding rod, the plug rod, the fixed plate and the screw rod are lifted upwards, the plug rod is inserted into the insertion hole, the screw rod is rotated and threadedly connected with the sliding rod, the sliding rod, the plug rod and the corresponding positioning rod are driven to move rightwards, and the screen plate is tensioned and fixed.

[0023] The utility model discloses a simple structure to realize the quick disassembly of the screen plate, so that the screen plate can be quickly maintained, the personnel operation is convenient, the screening efficiency and effect of the screen plate can be guaranteed, and the practicality is strong. ACCURACY OF DRAWINGS

[0024] Figure 1 It is the structure three-dimensional front view of the utility model;

[0025] Figure 2 It is the structure schematic view of the utility model's A part; Figure 1

[0026] Figure 3 It is the structure three-dimensional explosion view of the screening box, the first discharge pipe, the second discharge pipe, the mounting hole, the screen plate, the sealing plate, the positioning rod and the positioning hole of the utility model;

[0027] ​Figure 4 The structure three-dimensional bottom view of the utility model.

[0028] In the figure: 1, bottom plate; 2, support column; 3, first spring; 4, screening box; 5, vibration motor; 6, feed pipe; 7, first discharge pipe; 8, second discharge pipe; 9, mounting hole; 10, sieve plate; 11, sealing plate; 12, positioning rod; 13, positioning hole; 14, jack; 15, chute; 16, sliding block; 17, second spring; 18, sliding shaft; 19, slide rod; 20, plug rod; 21, fixed plate; 22, screw rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0030] EMBODIMENT

[0031] REFERENCE Figures 1-4 A screening device for a fertilizer granulator, comprising a bottom plate 1, the screening device further comprising:

[0032] Support columns 2, which are provided as four, the bottom ends of the four support columns 2 are fixedly installed on the top of the bottom plate 1;

[0033] First springs 3, which are provided as four, the bottom ends of the first springs 3 are fixedly installed on the top ends of the corresponding support columns 2;

[0034] A screening box 4, the bottom of the screening box 4 is fixedly installed with the top ends of the four first springs 3 respectively, the top of the screening box 4 is fixedly communicated with a feed pipe 6, and the front ends of the screening box 4 are fixedly communicated with a first discharge pipe 7 and a second discharge pipe 8 respectively;

[0035] A vibration motor 5, which is fixedly installed on the bottom of the screening box 4;

[0036] A sieve plate 10, a mounting hole 9 is formed in the left side inner wall of the screening box 4, the right end of the sieve plate 10 penetrates through the mounting hole 9 and is in contact with the right side inner wall of the screening box 4, a plurality of positioning rods 12 are installed on the right side of the sieve plate 10, the right ends of the plurality of positioning rods 12 all penetrate through the right side inner wall of the screening box 4 and extend to the outside of the screening box 4, and a jack 14 is formed in the positioning rod 12 located in the middle;

[0037] A positioning assembly, which is arranged on the right side of the screening box 4, cooperates with the jack 14.

[0038] Through the above structure: the elasticity of the screening box 4 is supported by the four first springs 3, and the screening box 4 is driven to vibrate by starting the vibration motor 5, so that the screen plate 10 is driven to vibrate, at this time, the vibration screening operation of the fertilizer entering through the feeding pipe 6 can be realized, and the qualified fertilizer is discharged and collected through the first discharge pipe 7, and the unqualified fertilizer is discharged and collected through the second discharge pipe 8.

[0039] As a preferred scheme of the utility model, the left side of the screen plate 10 is fixedly provided with a sealing plate 11, and the right side of the sealing plate 11 is in contact with the left side of the screening box 4, and the sealing plate 11 can be used to seal the installation between the screen plate 10 and the mounting hole 9.

[0040] As a preferred scheme of the utility model, a plurality of positioning holes 13 are formed in the right inner wall of the screening box 4, the right end of the positioning rod 12 penetrates through the corresponding positioning hole 13 and is in sliding contact with the inner wall of the positioning hole 13, the positioning rod 12 and the screening box 4 can be inserted and positioned through the positioning hole 13, and the stability of the screen plate 10 after installation can be improved.

[0041] As a preferred scheme of the utility model, the positioning assembly comprises two sliding blocks 16, two sliding shafts 18, a sliding rod 19, a plug rod 20, a fixed plate 21 and a screw rod 22, the left end of each of the two sliding blocks 16 is slidingly connected to the right side of the screening box 4, the left end of the sliding shaft 18 is fixedly installed on the corresponding sliding block 16, the sliding rod 19 is slidingly connected to the two sliding shafts 18 respectively, the bottom end of the plug rod 20 is fixedly installed on the top of the sliding rod 19, the top end of the plug rod 20 penetrates through the insertion hole 14 and is in sliding contact with the inner wall of the insertion hole 14, the front end and the rear end of the fixed plate 21 are fixedly installed on the two sliding shafts 18 respectively, the left end of the screw rod 22 penetrates through the sliding rod 19 and is threadedly connected with the sliding rod 19, and the left end of the screw rod 22 is rotatably connected with the fixed plate 21, the sliding block 16, the two sliding shafts 18, the sliding rod 19, the plug rod 20, the fixed plate 21 and the screw rod 22 are lifted upwards, the plug rod 20 is inserted into the insertion hole 14, the screw rod 22 is rotated and threadedly connected with the sliding rod 19, the sliding rod 19, the plug rod 20 and the corresponding positioning rod 12 are driven to move rightwards, and the screen plate 10 can be tensioned and fixed.

[0042] As a preferred scheme of the utility model, two sliding grooves 15 are formed in the right inner wall of the screening box 4, and the sliding block 16 is slidingly connected in the corresponding sliding groove 15, and the sliding block 16 and the sliding groove 15 are slidingly limited and matched, so as to stably slide, limit and support the sliding shaft 18.

[0043] As one preferred scheme of the utility model, the bottom inner wall of the two chutes 15 is fixedly connected with second springs 17, the top end of the second spring 17 is fixedly installed on the bottom of the sliding block 16, and the second spring 17 can drive the sliding block 16 to move upward and reset.

[0044] It should be noted that: the specific use of which type of vibration motor 5, the person skilled in the relevant technical personnel to choose, and the above about the vibration motor 5 belongs to the prior art, the scheme is not described.

[0045] The working principle of the utility model is: in use, first, the device is connected to the external power supply, then the four first springs 3 are used to elastically support the screening box 4, then the vibration motor 5 is started to drive the screening box 4 to vibrate, so that the screen plate 10 can be vibrated, at this time, the fertilizer entering through the feeding pipe 6 can be vibrated and screened, the qualified fertilizer is discharged through the first discharge pipe 7 and collected, and the unqualified fertilizer is discharged through the second discharge pipe 8 and collected, then the sliding block 16, the two sliding shafts 18, the sliding rod 19, the plug rod 20, the fixed plate 21 and the screw rod 22 are lifted upward, the plug rod 20 and the insertion hole 14 are inserted, then the screw rod 22 is rotated and the screw rod 22 and the sliding rod 19 are threadedly connected, the sliding rod 19, the plug rod 20 and the corresponding positioning rod 12 are driven to move right, so that the screen plate 10 can be tensioned and fixed.

[0046] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A screening device for a fertilizer prilling machine, comprising a base plate (1), characterized in that, The screening device further comprises: Supporting columns (2) are arranged in four, and the bottom ends of the four supporting columns (2) are fixedly installed on the top of the bottom plate (1); First springs (3) are arranged in four, and the bottom ends of the first springs (3) are fixedly installed on the top ends of the corresponding supporting columns (2); A screening box (4) is fixedly installed on the top ends of the four first springs (3), and the top of the screening box (4) is fixedly connected with a feeding pipe (6); the front end of the screening box (4) is fixedly connected with a first discharging pipe (7) and a second discharging pipe (8) respectively; A vibration motor (5) is fixedly installed on the bottom of the screening box (4); A sieve plate (10) is arranged on the left side of the screening box (4), and the right end of the sieve plate (10) penetrates through an installation hole (9) and is in contact with the right side inner wall of the screening box (4); a plurality of positioning rods (12) are arranged on the right side of the sieve plate (10), the right ends of the positioning rods (12) penetrate through the right side inner wall of the screening box (4) and extend to the outside of the screening box (4), and a plug hole (14) is arranged on the middle positioning rod (12); A positioning assembly is arranged on the right side of the screening box (4) and matched with the plug hole (14).

2. A screening device for a fertilizer prilling machine according to claim 1, characterized in that A sealing plate (11) is fixedly installed on the left side of the sieve plate (10) and in contact with the left side of the screening box (4).

3. A screening device for a fertilizer prilling machine according to claim 1, characterized in that A plurality of positioning holes (13) are arranged on the right side inner wall of the screening box (4), and the right ends of the positioning rods (12) penetrate through the corresponding positioning holes (13) and are in sliding contact with the inner walls of the positioning holes (13).

4. A screening device for a fertilizer prilling machine according to claim 1, characterized in that The positioning assembly comprises two sliding blocks (16), two sliding shafts (18), a sliding rod (19), a plug rod (20), a fixed plate (21) and a screw rod (22); the left ends of the two sliding blocks (16) are slidingly connected to the right side of the screening box (4); the left ends of the sliding shafts (18) are fixedly installed on the corresponding sliding blocks (16); the sliding rod (19) is slidingly connected to the two sliding shafts (18) respectively; the bottom end of the plug rod (20) is fixedly installed on the top of the sliding rod (19); the top end of the plug rod (20) penetrates through the plug hole (14) and is in sliding contact with the inner wall of the plug hole (14); the front end and the rear end of the fixed plate (21) are fixedly installed on the two sliding shafts (18) respectively; the left end of the screw rod (22) penetrates through the sliding rod (19) and is threadedly connected with the sliding rod (19); and the left end of the screw rod (22) is rotatably connected with the fixed plate (21).

5. A screening device for a fertilizer prilling machine according to claim 4, characterized in that Two sliding grooves (15) are arranged on the right side inner wall of the screening box (4), and the sliding blocks (16) are slidingly connected in the corresponding sliding grooves (15).

6. A screening device for a fertilizer prilling machine according to claim 5, characterized in that Second springs (17) are fixedly connected to the bottom inner walls of the two sliding grooves (15), and the top ends of the second springs (17) are fixedly installed on the bottoms of the sliding blocks (16).

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