Fertilizer polishing device

Abstract

The utility model relates to the technical field of fertilizer production, and discloses a fertilizer polishing device, which comprises a shell, the grinding structure comprises a grinding cylinder, a rotating shaft, an extrusion plate and a grinding block, the grinding cylinder is elastically connected with the shell, the rotating shaft is rotationally connected with the grinding cylinder, the extrusion plate and the grinding block are fixedly connected with the rotating shaft, the rotating shaft drives the extrusion plate to rotate, and the spiral extrusion plate can downwards extrude and push granular fertilizer; the granular fertilizer subjected to primary polishing falls to the top of the grinding block, passes through a channel in the side wall of the grinding block, enters the channel and is in contact with the inner wall of the grinding cylinder, and the granular fertilizer rotates along with rotation of the grinding block, so that the granular fertilizer is polished; the granular fertilizer is secondarily polished in the moving process in the channel, the polishing effect is better, the treatment efficiency is high, the granular fertilizer is ground and polished in the falling process, and the consistency of the polishing degree is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to fertilizer production technical field especially relates to a polishing device of fertilizer. BACKGROUND

[0002] After granular fertilizer is formed, in order to facilitate the film process of later period, need to carry out polishing treatment to granule.

[0003] The prior art discloses a kind of surface polishing device of granular fertilizer (publication number: CN221891674U).The utility model can improve the polishing effect of granular fertilizer by multiple grinding balls, can drive granular fertilizer and grinding ball sustained vibration by vibration mechanism, can be agitated by agitating polishing mechanism to granular fertilizer and grinding ball, to improve the polishing efficiency of granular fertilizer, granular fertilizer, grinding ball and fertilizer powder can be screened by screening mechanism.

[0004] The prior art mainly by stirring, cooperate in granular fertilizer and add grinding ball, realize polishing treatment by grinding ball and granule extrusion contact, and in stirring process, under the action of gravity, the pressure of bottom layer granule is larger, compared with the granular fertilizer of top layer, its grinding degree will be higher, and then easily appear grinding uneven and lead to the size difference of granule.

[0005] Therefore, we propose a kind of polishing device of fertilizer. UTILITY MODEL CONTENT

[0006] The utility model mainly solves the technical problem that the above-mentioned stirring grinding is easy to appear polishing degree is not consistent, and provides a kind of polishing device of fertilizer.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a kind of polishing device of fertilizer, comprising:

[0008] Shell, the top of shell is fixed with feeding hopper for feeding, the inside of shell is equipped with sieve plate, the side wall of shell is fixed with discharge pipe opposite sieve plate;

[0009] Polishing structure, is located in shell cavity and is located above sieve plate for grinding material, the polishing structure includes grinding cylinder, pivot, extrusion plate and grinding block, the grinding cylinder is elastically connected with shell, pivot is rotatably connected with grinding cylinder, the extrusion plate and grinding block are all fixedly connected with pivot, extrusion plate is located above grinding block, the top of shell is fixed with motor for driving pivot rotation, extrusion plate can extrude material downwards and carry out first polishing, the side wall of grinding block is equipped with passageway, and material after first polishing can enter passageway and carry out second polishing.

[0010] As a preferred mode of the utility model, the shell forms a sealed tank structure, two screens with different mesh counts are arranged in the shell, and the screens are elastically connected with the shell.

[0011] As a preferred mode of the utility model, the grinding cylinder forms a funnel structure, the bottom of the grinding cylinder is sealed, the rotating shaft is rotatably connected with the bottom of the grinding cylinder, and the bottom of the grinding cylinder is provided with a window for material falling.

[0012] As a preferred mode of the utility model, the bottom of the grinding cylinder is fixedly provided with a vibration motor, and the inner wall of the shell is fixedly provided with an elastic telescopic rod, and the grinding cylinder is fixedly connected with the output shaft of the elastic telescopic rod.

[0013] As a preferred mode of the utility model, the extrusion plate forms a spiral plate, and the rotating shaft penetrates through the extrusion plate.

[0014] As a preferred mode of the utility model, the grinding block forms a circular table structure, and the size of the grinding block is smaller than the inner size of the grinding cylinder.

[0015] As a preferred mode of the utility model, the polishing structure further comprises a collecting groove, a dispersing channel and a grinding channel, the top of the grinding block is provided with the collecting groove and a plurality of dispersing channels, the circumferential surface of the grinding block is provided with a plurality of grinding channels, the grinding channels are in communication with the dispersing channels and are distributed one by one in correspondence, and the grinding block forms a channel for material falling through the plurality of grinding channels.

[0016] As a preferred mode of the utility model, the collecting groove forms a circular groove, the dispersing channel forms an arc-shaped groove, the grinding channel forms a slot with an arc-shaped horizontal section, the grinding channel spirally extends from the upper end surface of the grinding block to the lower end surface of the grinding block, and a gap is left between the lower end surface of the grinding block and the bottom of the grinding cylinder.

[0017] Advantages

[0018] The utility model provides a kind of polishing device of fertilizer. It has the following advantages:

[0019] 1. The polishing device of the fertilizer, through the power-on driving of the motor, the rotation of the rotating shaft is driven, the extrusion plate is driven to rotate, the spiral extrusion plate pushes down the granular fertilizer, so that the granular fertilizer is rubbed with each other by extrusion during descending in the grinding cylinder to form polishing, realize the first polishing, of course, in order to improve the polishing effect, steel balls can be added in the granular fertilizer, the steel balls and the granular fertilizer are screened respectively through two screens with different mesh numbers, the granular fertilizer and the steel balls are discharged from the two different discharge pipes, the granular fertilizer after one polishing falls to the top of the grinding block, passes through the channel of the side wall of the grinding block, the granular fertilizer enters the channel and contacts the inner wall of the grinding cylinder, with the rotation of the grinding block, the granular fertilizer is polished again during moving in the channel, the polishing effect is better, the processing efficiency is high, the granular fertilizer is ground and polished during falling, the consistency of polishing degree is ensured, the probability of difference of the granular fertilizer is reduced, the loss of the later coating is reduced, the vibration motor at the bottom of the grinding cylinder cooperates with the elastic telescopic rod to promote the falling of the granular fertilizer and inhibit the blocking.

[0020] 2. The polishing device of the fertilizer, after the extrusion of the extrusion plate, the granular fertilizer enters the collecting groove and then enters the corresponding grinding channel from each dispersing channel, the spiral grinding channel can rub the granular fertilizer when the grinding block rotates, the granular fertilizer in the grinding channel contacts the inner wall of the grinding cylinder, so that the second polishing can be realized, the downward extrusion of the extrusion plate can promote the granular fertilizer to enter the grinding channel, at the same time, the downward extrusion can also promote the mutual extrusion and friction of the granular fertilizer. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall perspective view of the utility model;

[0022] Figure 2 It is the partial cutaway view of the shell of the utility model;

[0023] Figure 3 It is the polishing structure perspective view of the utility model;

[0024] Figure 4 It is the partial cutaway view of the grinding cylinder of the utility model;

[0025] Figure 5 It is the grinding block perspective view of the utility model.

[0026] Legend: 10, shell; 11, feed hopper; 12, discharge pipe; 13, screen; 20, grinding cylinder; 21, rotating shaft; 22, extrusion plate; 23, grinding block; 30, collecting groove; 31, dispersing channel; 32, grinding channel. DETAILED DESCRIPTION

[0027] The polishing device of the fertilizer, as shown in Figure 1 and Figure 2 , comprising:

[0028] The shell 10, the top of the shell 10 is fixedly provided with a feeding hopper 11 for feeding, the inside of the shell 10 is provided with a sieve plate 13, the sidewall of the shell 10 is fixedly provided with a discharge pipe 12 opposite to the sieve plate 13, the shell 10 forms a sealed tank structure, the inside of the shell 10 is provided with two sieve plates 13 with different mesh numbers, the sieve plate 13 is elastically connected with the shell 10, the granular fertilizer to be polished is put into the shell 10 through the feeding hopper 11, the granular fertilizer after polishing falls on the sieve plate 13 and is discharged from the discharge pipe 12 after being screened by the sieve plate 13, the bottom of the shell 10 is also provided with a through hole for discharging the polished powder, the falling granular fertilizer powder can be collected in a container, the bottom of the sieve plate 13 is provided with an elastic telescopic rod, the output shaft of the elastic telescopic rod is fixedly connected with the sieve plate 13, and the cylinder body of the elastic telescopic rod is fixedly installed on the inner wall of the shell 10, which will not be repeated here.

[0029] As shown in Figure 2 , Figure 3 and Figure 4 , the polishing structure is arranged in the cavity of the shell 10 and above the sieve plate 13 for grinding the material, the polishing structure comprises a grinding cylinder 20, a rotating shaft 21, a pressing plate 22 and a grinding block 23, the grinding cylinder 20 is elastically connected with the shell 10, the rotating shaft 21 is rotationally connected with the grinding cylinder 20, the pressing plate 22 and the grinding block 23 are fixedly connected with the rotating shaft 21, the pressing plate 22 is above the grinding block 23, the top of the shell 10 is fixedly provided with a motor for driving the rotating shaft 21 to rotate, the pressing plate 22 can press the material downward for primary polishing, the sidewall of the grinding block 23 is provided with a channel, the material after primary polishing can enter the channel for secondary polishing, the grinding cylinder 20 forms a funnel structure, the bottom of the grinding cylinder 20 is sealed, the rotating shaft 21 is rotationally connected with the bottom of the grinding cylinder 20, the bottom of the grinding cylinder 20 is provided with a window for the material to fall, a vibration motor is fixedly installed on the bottom of the grinding cylinder 20, the inner wall of the shell 10 is fixedly installed with an elastic telescopic rod, the grinding cylinder 20 is fixedly connected with the output shaft of the elastic telescopic rod, the pressing plate 22 forms a spiral plate, the rotating shaft 21 penetrates through the pressing plate 22, the grinding block 23 forms a circular truncated cone structure, and the size of the grinding block 23 is smaller than the size of the cavity of the grinding cylinder 20;

[0030] In the scheme, the polishing process of the granular fertilizer is optimized, the falling granular fertilizer falls into the grinding cylinder 20, the rotating shaft 21 is fixedly connected with the motor output shaft at the top of the shell 10, the rotating shaft 21 is driven to rotate by the motor connected with power supply, the rotating shaft 21 drives the extrusion plate 22 to rotate, the spiral extrusion plate 22 pushes the granular fertilizer downward, so that the granular fertilizer is rubbed with each other during the falling process in the grinding cylinder 20 to form polishing, realizing the first polishing, of course, in order to improve the polishing effect, steel balls can be added in the granular fertilizer, the steel balls and the granular fertilizer are screened through two screens with different mesh sizes, the granular fertilizer and the steel balls are discharged from the two different discharge pipes 12 to the outside of the shell 10, the granular fertilizer after the first polishing falls to the top of the grinding block 23, passes through the channel in the side wall of the grinding block 23, and enters the channel and contacts the inner wall of the grinding cylinder 20, with the rotation of the grinding block 23, the granular fertilizer is polished again during the movement in the channel, the polishing effect is better, the processing efficiency is high, the loss of the later coating can be reduced, the vibration motor at the bottom of the grinding cylinder 20 cooperates with the elastic telescopic rod to promote the falling of the particles and inhibit the blocking.

[0031] As shown in Figure 5 The polishing structure further includes a collection groove 30, a dispersion channel 31 and a grinding channel 32, the top of the grinding block 23 is provided with the collection groove 30 and a plurality of dispersion channels 31, the circumferential surface of the grinding block 23 is provided with a plurality of grinding channels 32, the grinding channels 32 are in communication with the dispersion channels 31 and are distributed one by one, the grinding block 23 forms a channel for the falling of the material through the plurality of grinding channels 32, the collection groove 30 forms a circular groove, the dispersion channel 31 forms an arc-shaped groove, and the grinding channel 32 forms a slot with an arc-shaped horizontal section, the grinding channel 32 extends spirally from the upper end surface of the grinding block 23 to the lower end surface of the grinding block 23, and the lower end surface of the grinding block 23 is left with a gap from the bottom of the grinding cylinder 20;

[0032] As a supplementary description of the above scheme, in order to realize the secondary grinding of the granular fertilizer in the channel of the grinding block 23, the granular fertilizer enters the collection groove 30 and then enters the corresponding grinding channel 32 from each dispersion channel 31 after being extruded by the extrusion plate 22, the spiral grinding channel 32 can rub the granular fertilizer when the grinding block 23 rotates, the granular fertilizer in the grinding channel 32 contacts the inner wall of the grinding cylinder 20, so that the secondary polishing is realized, the downward extrusion of the extrusion plate 22 can promote the granular fertilizer to enter the grinding channel 32, and at the same time, the downward extrusion can also promote the mutual extrusion and friction of the granular fertilizer.

[0033] The utility model discloses a working principle: the granular fertilizer of falling falls into the grinding cylinder 20, and the motor output shaft fixed connection of the top of the outer shell 10 is connected with the pivot 21, and the pivot 21 is rotated through the motor power connection drive, and the extrusion plate 22 is rotated by the pivot 21, and the extrusion plate 22 of spiral shape will push down the granular fertilizer, and the granular fertilizer is rubbed mutually to form polishing in the process of descending in the grinding cylinder 20, realizes the first polishing, of course, in order to improve the polishing effect, can add steel ball in the granular fertilizer, and the granular fertilizer after polishing falls to the top of the grinding block 23, and after the extrusion of the extrusion plate 22, the granular fertilizer enters the collection groove 30 and then from each dispersing channel 31 enters the corresponding grinding channel 32, and the grinding channel 32 of spiral shape can rub the granular fertilizer when the grinding block 23 rotates, and the granular fertilizer is located in the grinding channel 32 and contacts the inner wall of the grinding cylinder 20, therefore can realize secondary polishing.

[0034] The granular after polishing falls on the screen plate 13 and is discharged from the discharge pipe 12 after screening through the screen plate 13, and the bottom of the outer shell 10 is also provided with a through hole for discharging polishing powder, and the granular fertilizer powder can be collected in the container, and the steel ball and the granular fertilizer are screened respectively through two different mesh screens 13, and the granular fertilizer and the steel ball are discharged from two different discharge pipes 12.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A polishing device for fertilizers, characterized in that, Include: The shell (10), the top of the shell (10) is fixed with feeding hopper (11) for feeding, the inside of the shell (10) is provided with sieve plate (13), the side wall of the shell (10) is fixed with the discharge pipe (12) opposite to the sieve plate (13); The polishing structure is arranged in the cavity of the shell (10) and above the sieve plate (13) for grinding material, the polishing structure includes grinding cylinder (20), rotating shaft (21), extrusion plate (22) and grinding block (23), the grinding cylinder (20) is elastically connected with the shell (10), the rotating shaft (21) is rotatably connected with the grinding cylinder (20), the extrusion plate (22) and the grinding block (23) are fixedly connected with the rotating shaft (21), the extrusion plate (22) is above the grinding block (23), the top of the shell (10) is fixedly provided with a motor for driving the rotating shaft (21) to rotate, the extrusion plate (22) can extrude the material downward for first polishing, the side wall of the grinding block (23) is provided with a channel, the material after first polishing can enter the channel for second polishing.

2. The polishing apparatus for fertilizer according to claim 1, characterized by: The shell (10) forms a sealed tank structure, and the inside of the shell (10) is provided with two sieve plates (13) with different mesh numbers, the sieve plates (13) are elastically connected with the shell (10).

3. The polishing apparatus for fertilizer according to claim 1, characterized by: The grinding cylinder (20) forms a funnel structure, the bottom of the grinding cylinder (20) is sealed, the rotating shaft (21) is rotatably connected with the bottom of the grinding cylinder (20), and the bottom of the grinding cylinder (20) is provided with a window for material falling.

4. The polishing apparatus for fertilizer according to claim 1, characterized by: The bottom of the grinding cylinder (20) is fixedly installed with a vibration motor, the inner wall of the shell (10) is fixedly installed with an elastic telescopic rod, and the grinding cylinder (20) is fixedly connected with the output shaft of the elastic telescopic rod.

5. The polishing apparatus for fertilizer of claim 1, wherein: The extrusion plate (22) forms a spiral plate, and the rotating shaft (21) penetrates through the extrusion plate (22).

6. The polishing apparatus of the fertilizer according to claim 1, characterized by: The grinding block (23) forms a circular truncated cone structure, and the size of the grinding block (23) is smaller than the size of the cavity of the grinding cylinder (20).

7. The polishing apparatus of the fertilizer according to claim 1, characterized by: The polishing structure further includes a collection groove (30), a dispersion channel (31) and a grinding channel (32), the top of the grinding block (23) is provided with the collection groove (30) and a plurality of dispersion channels (31), the circumferential surface of the grinding block (23) is provided with a plurality of grinding channels (32), the grinding channels (32) are in communication with the dispersion channels (31) and are distributed one by one, and the grinding block (23) forms a channel for material falling through the plurality of grinding channels (32).

8. The polishing apparatus of the fertilizer according to claim 7, characterized by: The collection groove (30) forms a circular groove, the dispersion channel (31) forms an arc-shaped groove, the grinding channel (32) forms a slot with an arc-shaped horizontal section, the grinding channel (32) spirally extends from the upper end surface of the grinding block (23) to the lower end surface of the grinding block (23), and the lower end surface of the grinding block (23) leaves a gap with the bottom of the grinding cylinder (20).

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