CN216764310U - Liquid fertilizer packaging production line - Google Patents

Abstract

The utility model relates to the field of packaging equipment, in particular to a liquid fertilizer packaging production line, which comprises: a storage tank for storing fertilizer; a filler connected to the tank through a duct such that fertilizer in the tank flows into the filler through the duct and is filled into a packaging container; the air compressor comprises a first air conveying pipe and a second air conveying pipe, the first air conveying pipe is connected with the filling machine, and the second air conveying pipe is connected with the storage tank, so that the air exhausted from the second air conveying pipe can stir the fertilizer in the storage tank; and the conveying device is used for driving the packaging container to continuously move. The utility model solves the technical problems that the product quality is uneven and cannot achieve the expected beneficial effect due to fertilizer sedimentation or layering when the liquid fertilizer is packaged by the conventional packaging equipment, and the conventional mechanical stirring device additionally increases more production cost and has a more complex integral structure.

Description

Liquid fertilizer packaging production line

Technical Field

The utility model relates to the field of packaging equipment, in particular to a liquid fertilizer packaging production line.

Background

When using equipment for packing liquid fertilizer, if the product that needs the packing is the fertilizer that easily subsides or takes place the fertilizer of layering easily, often because its easily subsides or the layering leads to liquid fertilizer active ingredient's in the product proportion difference big when above-mentioned fertilizer product of equipment for packing now, and then the actual use effect of direct influence liquid fertilizer's quality and product. Therefore, a stirring device is required to be additionally arranged in the packaging equipment so as to prevent the fertilizer from layering or settling. The existing packaging equipment production line with the stirring function is only provided with an electric or other driving type mechanical stirring device in the liquid storage tank, and can additionally increase more production cost although the stirring effect can be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a liquid fertilizer packaging production line, and aims to solve the technical problems that when the existing packaging equipment is used for packaging liquid fertilizers, the product quality is uneven due to fertilizer sedimentation or layering, the expected beneficial effect cannot be achieved, and the existing packaging production line is additionally provided with a mechanical stirring device, so that the production cost is increased.

In order to achieve the above object, the present invention provides a liquid fertilizer packaging production line, comprising: a storage tank for storing fertilizer; a filling machine connected to the tank through a duct so that the fertilizer in the tank flows into the filling machine through the duct and is filled into a packaging container by the filling machine; the air compressor comprises a first air conveying pipe and a second air conveying pipe, the first air conveying pipe is used for supplementing air to the filling machine and is connected with the filling machine, and the second air conveying pipe is connected with the storage tank so that the air exhausted from the second air conveying pipe can stir the fertilizer in the storage tank; and the conveying device is used for driving the packaging container to continuously move. The fertilizer of this scheme includes liquid fertilizer etc. directly utilizes original air compressor machine, adds the second gas-supply pipe on the air compressor machine and carries out the gas transmission to the fertilizer in the storage tank, stirs through continuous conveying gas, can effectively prevent liquid fertilizer layering or subside. In addition, a mechanical stirring device in other driving forms is not required, and the production cost can be saved.

Preferably, one end of the second gas pipe penetrates through the storage tank and extends into the storage tank, and the horizontal height of the second gas pipe close to the pipe orifice at one end of the storage tank is lower than the horizontal height of the fertilizer in the storage tank; the storage tank is provided with a plurality of air holes. The horizontal height of the pipe orifice of the second gas pipe is lower than the horizontal height of the fertilizer in the storage tank, so that the fertilizer can be stirred by the gas output from the second gas pipe. Meanwhile, the storage tank is provided with a plurality of air holes for balancing the pressure difference inside and outside the storage tank.

Preferably, the second gas transmission pipe is provided with a first switch valve, and a pipe orifice of the second gas transmission pipe close to one end of the storage tank is provided with a one-way gas valve for preventing fertilizer from entering the second gas transmission pipe. Set up first switch valve and one-way pneumatic valve on the second gas-supply pipe and make first switch valve open, when having gas to pass through in the second gas-supply pipe, gas is automatic to be pushed up one-way pneumatic valve and is opened, and the second gas-supply pipe is ventilated, stirs fertilizer. When the first switch valve is closed and the second gas transmission pipe does not have gas to pass through, the one-way gas valve returns to the closed state, and the fertilizer is prevented from entering the second gas transmission pipe.

Preferably, an air inlet channel, an air chamber and an air delivery channel which are communicated with each other are sequentially arranged in the one-way air valve, the air inlet channel is communicated with the second air delivery pipe, a spring is arranged in the air chamber, the spring is opposite to the air inlet channel, one end of the spring is connected with a blocking piece, and the outer diameter D of the blocking piece is larger than the inner diameter D of the air inlet channel, so that when no air is filled in the air inlet channel, the spring is in an extending state and downwards abuts against the blocking piece to block the air inlet channel; when gas is filled in the gas inlet channel, the gas upwards impacts the blocking piece to open the gas inlet channel, so that the spring is in a compression state. The gas in the second gas transmission pipe is introduced into the gas inlet channel, the plugging piece and the spring are jacked up under the driving of the gas, the gas can enter the gas chamber, then enters the gas transmission channel from the gas chamber, and enters the storage tank from the gas transmission channel to stir the fertilizer. After the second gas-supply pipe is closed, the blocking piece prevents stifled inlet channel again under the effect of spring, prevents effectively that fertilizer from getting into the second gas-supply pipe, avoids fertilizer to cause the jam of second gas-supply pipe.

Preferably, the gas supply valve further comprises a valve core, the valve core is installed above the blocking piece, one end of the spring, which is connected with the blocking piece, is located in the valve core, the outer diameter H1 of the valve core is larger than the diameter H2 of the gas transmission channel, so that when gas impacts the blocking piece upwards to open the gas inlet channel, the top of the valve core is abutted against the inner wall of the gas chamber, and the side wall of the valve core is provided with a gas transmission hole. Set up the case and seted up the gas transmission hole on the case for when gaseous with shutoff piece and spring jack-up, the case can contradict with the inner wall of one-way gas valve gas transmission passageway entrance, and gas can get into the gas transmission passageway from the gas transmission hole, can effectively avoid the spring to be compressed tightly completely, and gas can't get into the gas transmission passageway.

Preferably, one end of the gas transmission channel, which is far away from the valve core, is provided with a filter screen. Set up the filter screen and can prevent that the crystallization thing in the liquid fertilizer or the great object of other granule from getting into one-way air valve body inside, prevent to take place to block up in the valve body.

Preferably, the storage tank further comprises a supporting platform, wherein a buckle is arranged on the supporting platform, a clamping groove corresponding to the buckle is arranged at the bottom of the storage tank, and the buckle is clamped in the clamping groove, so that the storage tank can be detachably mounted on the supporting platform; the part that the second gas-supply pipe is located in the storage tank is called removable section, the part that the second gas-supply pipe is located outside the storage tank is called the linkage segment, the linkage segment with removable section can dismantle the connection. The clamping grooves are formed in the storage tank through the buckles arranged on the supporting platform, so that the storage tank and the platform can be detachably mounted. In addition, the connection section of the second gas transmission pipe outside the storage tank is also detachably connected with the detachable section in the storage tank, so that the storage tank can be quickly and conveniently detached when the storage tank needs to be replaced.

Preferably, the storage tank is also provided with a feeding hole and a discharging hole, and the feeding hole is hinged with a feeding cover; the filling machine is also provided with a storage bin, one end of the conveying pipe is connected with the discharge port, and the other end of the conveying pipe is connected with the storage bin; still be equipped with second ooff valve and pressure sensor on the conveyer pipe, pressure sensor locates the conveyer pipe is close to the one end of discharge gate. The feeding cover is arranged at the feeding hole, so that the fertilizer can be prevented from being saturated and crystallized due to the evaporation of a large amount of moisture of the liquid fertilizer. Fertilizer gets into the storage silo and is filled in container, and certain fertilizer can be stored to the storage silo, and when can avoiding changing the storage tank, the interrupt package production improves production efficiency. The conveyer pipe can be dismantled with the discharge gate and be connected, still is equipped with second ooff valve and pressure sensor at the conveyer pipe, and pressure sensor can remind increase fertilizer according to storage tank discharge gate pressure size.

Preferably, the outer wall of storage tank still is equipped with observation panel, the last scale that marks of observation panel for through observing observation panel the scale learns liquid level in the storage tank. The observation panel is made of transparent or semitransparent anticorrosive materials, and the liquid level height in the storage tank can be directly obtained through observing scales.

Preferably, the packaging container sealing device further comprises a cap screwing machine which is used for adding a sealing cap on the packaging container to seal the packaging container; the code spraying machine is used for spraying codes to the packaging containers; the conveying device is sequentially connected with the filling machine, the cap screwing machine, the code spraying machine and the labeling machine, so that the packaging container sequentially passes through the filling machine, the cap screwing machine, the code spraying machine and the labeling machine under the driving of the conveying device to complete the packaging of the fertilizer. The fertilizer in the storage tank is firstly conveyed to a filling machine, is filled into a packaging container by the filling machine, and under the drive of a conveying device, the packaging container can be conveyed to a cap screwing machine for packaging after being filled, then conveyed to an ink jet printer for code spraying, and finally conveyed to a labeling machine for labeling to form a complete product.

The utility model relates to a liquid fertilizer packaging production line, which has the following beneficial effects:

the fertilizer in the storage tank is stirred by utilizing the second gas pipe of the air compressor, so that on one hand, the liquid fertilizer in the storage tank can be prevented from settling or layering by conveying gas into the storage tank for stirring, and the product quality of the liquid fertilizer is ensured; on the other hand, the second air delivery pipe of the air compressor is used for stirring, and a mechanical stirring device driven by an electric motor or other forms is not required to be additionally arranged for stirring, so that more production cost is not required to be additionally increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the storage tank and the support platform of the present invention;

FIG. 3 is a schematic view of the bottom of the storage tank of the present invention;

FIG. 4 is a schematic cross-sectional view of the check valve of the present invention;

FIG. 5 is a schematic cross-sectional view of the check valve of the present invention in another state;

FIG. 6 is a schematic view of the second air delivery pipe of the present invention in another state.

In the drawings: 1-storage tank, 11-clamping groove, 12-feed inlet, 121-feed cover, 13-discharge outlet, 14-observation panel, 2-filling machine, 21-storage bin, 3-delivery pipe, 31-second switch valve, 32-pressure sensor, 4-packaging container, 5-air compressor, 51-first air delivery pipe, 52-second air delivery pipe, 521-first switch valve, 522-one-way air valve, 5221-air inlet channel, 5222-air chamber, 5223-air delivery channel, 5224-blocking piece, 5225-spring, 5226-valve core, 5227-air delivery hole, 5228-filter screen, 523-detachable section, 524-connecting section, 6-conveying device, 7-supporting platform, 71-buckle, 8-cap screwing machine, 9-code spraying machine and 10-labeling machine.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 6, a liquid fertilizer packaging production line includes: a storage tank 1 for storing fertilizer; a filling machine 2 connected to the tank 1 via a duct 3 so that the fertilizer in the tank 1 flows into the filling machine 2 via the duct 3 and is filled into a packaging container 4 by the filling machine 2; an air compressor 5 including a first air pipe 51 and a second air pipe 52, the first air pipe 51 being used for supplying air to the filling machine 2 and connected to the filling machine 2, the second air pipe 52 being connected to the storage tank 1 so that the air discharged from the second air pipe 52 can stir the fertilizer in the storage tank 1; and a conveying device 6 for driving the packaging container 4 to move continuously.

The fertilizer of this scheme includes liquid fertilizer etc. and in packing production, the use of liquid filling machine 2 need not stop consuming gas, consequently need supporting air compressor machine 5 constantly to carry out the defeated gas for liquid filling machine 2, and the gaseous loss of make-up is measured, is provided the air supply for liquid filling machine 2 by air compressor machine 5. The air compressor 5 of the present embodiment includes a first air delivery pipe 51 and a second air delivery pipe 52, and the first air delivery pipe 51 is connected in parallel with the second air delivery pipe 52. Utilize the second gas-supply pipe 52 of air compressor machine 5 to carry out the gas transmission to the fertilizer in the storage tank 1, stir through the continuous conveying gas, can effectively prevent liquid fertilizer layering or subside. In addition, a mechanical stirring device in other driving forms is not required, and the production cost can be saved. After being stirred by airflow, the liquid fertilizer in the storage tank 1 enters the filling machine 2 through the conveying pipe 3, is filled into the packaging container 4 by the filling machine 2, and moves to the next procedure along with the packaging container 4 under the drive of the conveying device 6. Because the liquid fertilizer has certain corrosiveness, the equipment such as the storage tank 1 is preferably made of 304 stainless steel or 316 stainless steel, and the packaging container 4 is made of anti-corrosion plastic. In addition, a plurality of second air conveying pipes 52 can be arranged to stir the air flow at the same time, so that the stirring effect is better. Or the second air pipe 52 in the storage tank 1 is taken as a main air pipe, and a plurality of air distributing pipes are divided in a diffusion manner as shown in figure 6, so that the stirring effect is better. The power of the air compressor 5 is correspondingly adjusted according to the capacity of the storage tank 1. The transfer device 6 may be a belt conveyor, a slat conveyor, or the like. The gas generated by the air compressor 5 is high-pressure gas.

Further, one end of the second air pipe 52 penetrates through the storage tank 1 and extends into the storage tank 1, and the horizontal height of the second air pipe 52 close to the pipe orifice at one end of the storage tank 1 is lower than the horizontal height of the fertilizer in the storage tank 1; the tank 1 is provided with a plurality of air holes (not shown).

The level of the orifice of the second gas pipe 52 is lower than the level of the fertilizer in the storage tank 1, so that the fertilizer can be stirred by the gas output from the second gas pipe 52. Simultaneously, the storage tank 1 is provided with a plurality of air holes for balancing the pressure difference inside and outside the storage tank 1 and avoiding the phenomenon of tank expansion or tank collapse. The number of the air holes is adjusted according to actual use requirements.

Further, a first switch valve 521 is disposed on the second air pipe 52, and a one-way air valve 522 for preventing fertilizer from entering the second air pipe 52 is disposed at a pipe orifice of the second air pipe 52 near one end of the storage tank 1.

One-way valve 522 allows fluid movement in only one direction. The first switch valve 521 and the one-way air valve 522 are arranged on the second air conveying pipe 52, so that the first switch valve 521 is opened, when air passes through the second air conveying pipe 52, the one-way air valve 522 is pushed open by the air from the second air conveying pipe 52, the second air conveying pipe 52 is ventilated, and the fertilizer is subjected to air flow stirring. When the first switch valve 521 is closed and no gas passes through the second gas pipe 52, the one-way gas valve 522 automatically returns to a closed state to prevent the fertilizer from entering the second gas pipe 52. In addition, when the fertilizer in the storage tank 1 does not need to be stirred, the first switch valve 521 is closed, so that the production cost is saved.

Further, an air inlet passage 5221, an air chamber 5222 and an air delivery passage 5223 which are communicated with each other are sequentially arranged in the one-way air valve 522, the air inlet passage 5221 is communicated with the second air delivery pipe 52, a spring 5225 is arranged in the air chamber 5222, the spring 5225 is right opposite to the air inlet passage 5221, one end of the spring 5225 is connected with a blocking piece 5224, the outer diameter D of the blocking piece 5224 is larger than the inner diameter D of the air inlet passage 5221, so that when no air is filled in the air inlet passage 5221, the spring 5225 is in an extended state and is downwards abutted against the blocking piece 5224 to block the air inlet passage 5221; when gas is introduced into the intake passage 5221, the gas collides upward against the block piece 5224 to open the intake passage 5221, thereby compressing the spring 5225. Preferably, the inner diameter of the spring 52255 is slightly larger than the inner diameter of the gas delivery channel 52233. Specifically, the upper end of the spring 52255 is fixed to the inner wall of the air chamber 52222. The closure 5224, when used, may further enhance sealing in combination with a sealing gasket.

The shape of the block piece 5224 can be a sphere, a cylinder, a T-shape, etc., wherein a spherical block piece 5224 is preferred in practical use. The block piece 5224 and the spring 5225 are preferably made of 304 stainless steel or 316 stainless steel. The one-way air valve 522 is vertically disposed to allow flow in a direction from bottom to top.

The gas in the second gas pipe 52 is introduced into the gas inlet passage 5221, the blocking piece 5224 and the spring 5225 are jacked up by the gas from the second gas pipe 52, the gas can enter the gas chamber 5222, then enters the gas conveying passage 5223 from the gas chamber 5222, and enters the storage tank 1 from the gas conveying passage 5223 to perform gas flow stirring on the fertilizer. After the second air delivery pipe 52 is closed, the blocking piece 5224 blocks the air inlet passage 5221 again under the action of the spring 5225, so that fertilizer is effectively prevented from entering the second air delivery pipe 52, and the blockage of the second air delivery pipe 52 caused by the fertilizer is avoided. And the one-way air valve 522 is vertically arranged, and the blocking piece 5224 further accelerates the reaction speed of blocking the air inlet channel 5221 under the action of gravity besides the action of the spring 5225.

Further, the present invention includes a valve body 5226, the valve body 5226 is mounted above the blocking member 5224, one end of the spring 5225 connected to the blocking member 5224 is positioned in the valve body 5226, and an outer diameter H1 of the valve body 5226 is larger than a diameter H2 of the gas transmission passage 5223, so that when gas impacts the blocking member 5224 upward to open the gas transmission passage 5221, the top of the valve body 5226 abuts against the inner wall of the gas chamber 5222, and a gas transmission hole 5227 is opened in the side wall of the valve body 5226.

The valve core 5226 is arranged and the valve core 5226 is provided with the air transmission hole 5227, so that after the blocking piece 5224, the valve core 5226 and the spring 5225 are jacked up by air from the second air transmission pipe 52, even if the valve core 5226 is jacked to be abutted against the inner wall at the inlet of the air transmission channel 5223 of the one-way air valve 522, the air can still enter the air transmission channel 5223 from the air transmission hole 5227 on the valve core 5226 and then enter the storage tank 1 from the air transmission channel 5223 to stir the fertilizer. The valve core 5226 is arranged to effectively prevent the spring 5225 from being pushed to be completely compressed, and thus, gas cannot enter the gas transmission passage 5223. The number of the air delivery holes 5227 and the opening size of the air delivery holes 5227 can be adaptively adjusted according to actual use requirements. The valve core 5226 is also made of 304 stainless steel or 316 stainless steel. The effective length H3 of the valve spool 52266, which is the distance from the uppermost end of the blocking member 52244 to the uppermost end of the valve spool 52266, is greater than the length of the spring 52255 in the up-down direction in the extreme compressed state.

Further, a filter 5228 is disposed at an end of the air delivery passage 5223 remote from the valve core 5226.

The screen 5228 prevents the crystals or other large particles in the liquid fertilizer from entering the one-way valve 522 to prevent the liquid fertilizer from clogging.

Further, the storage tank also comprises a supporting platform 7, wherein a buckle 71 is arranged on the supporting platform 7, a clamping groove 11 corresponding to the buckle 71 is arranged at the bottom of the storage tank 1, and the buckle 71 is clamped in the clamping groove 11, so that the storage tank 1 can be detachably mounted on the supporting platform 7; the portion of the second air pipe 52 inside the storage tank 1 is referred to as a detachable section 523, the portion of the second air pipe 52 outside the storage tank 1 is referred to as a connecting section 524, and the connecting section 524 is detachably connected with the detachable section 523, wherein the detachable connection is a flange connection or a threaded connection.

The buckle 71 is arranged on the supporting platform 7, and the clamping groove 11 is arranged on the storage tank 1, so that the storage tank 1 and the platform can be detachably mounted. In addition, the connection section 524 of the second gas transmission pipe 52 outside the storage tank 1 is also detachably connected with the detachable section 523 in the storage tank 1, so that when the storage tank 1 needs to be replaced, only the connection section 524 and the detachable section 523 need to be detached, the buckle 71 and the clamping groove 11 need to be detached, the delivery pipe 3 and the storage tank 1 need to be detached, the storage tank 1 can be detached, and the detached part can be installed again after another new storage tank 1 is replaced, so that normal production can be achieved.

Further, the projections of the buckle 71 and the card slot 11 on the horizontal projection plane are both arc-shaped.

Set buckle 71 and draw-in groove 11 to the arc for storage tank 1 is difficult for taking place to rock after 7 installation with supporting platform more, and stability is better.

Further, the storage tank 1 is also provided with a feeding hole 12 and a discharging hole 13, and the feeding hole 12 is hinged with a feeding cover 121; the filling machine 2 is further provided with a storage bin 21, one end of the conveying pipe 3 is connected with the discharge port 13, and the other end of the conveying pipe is connected with the storage bin 21; the delivery pipe 3 is further provided with a second on-off valve 31 and a pressure sensor 32, and the pressure sensor 32 is provided at one end of the delivery pipe 3 near the discharge port 13.

The feeding cover 121 is arranged at the feeding hole 12, so that the moisture of the liquid fertilizer can be prevented from being evaporated to a large extent to cause saturated crystallization. Be equipped with storage silo 21 at liquid filling machine 2, fertilizer in the storage tank 1 gets into storage silo 21 through conveyer pipe 3 and is filled in packing container 4 again, and a certain amount of fertilizer can be stored to storage silo 21, when can avoiding changing storage tank 1, because the fertilizer supply is interrupted, leads to the interrupt of packing production, improves production efficiency. The delivery pipe 3 is detachably connected with the discharge port 13, a second switch valve 31 and a pressure sensor 32 are further arranged on the delivery pipe 3, and the second switch valve 31 is used for opening or closing the delivery pipe 3. The pressure sensor 32 can remind the user of increasing the fertilizer according to the change of the pressure at the discharge port 13 of the storage tank 1, for example, as the detected pressure at the discharge port 13 is smaller, the fertilizer in the storage tank 1 is less. And the pressure sensor 32 is arranged on the delivery pipe 3, after the storage tank 1 is replaced, the pressure sensor 32 can still check the pressure of the discharge hole 13 of another storage tank 1 after the storage tank 1 is connected with the delivery pipe 3.

Furthermore, the outer wall of the storage tank 1 is further provided with an observation panel 14, and the observation panel 14 is marked with scales, so that the liquid level in the storage tank 1 can be known by observing the scales of the observation panel 14.

The viewing panel 14 is made of a transparent or translucent corrosion resistant material, such as corrosion resistant glass, acrylic material. The liquid level height in the storage tank 1 can be directly obtained through observing the scales on the observation panel 14, the condition of fertilizer in the storage tank 1 is convenient to further monitor, and the size of the observation panel 14 is adjusted adaptively according to actual use requirements.

Further, a cap screwing machine 8 is included for applying a sealing cap to the packaging container 4 to seal the packaging container 4; an ink jet printer 9 for spraying ink onto the packaging container 4; and a labeling machine 10 for labeling the packaging container 4, wherein the conveyor 6 is connected to the filling machine 2, the cap screwing machine 8, the inkjet printer 9, and the labeling machine 10 in this order, so that the packaging container 4 passes through the filling machine 2, the cap screwing machine 8, the inkjet printer 9, and the labeling machine 10 in this order by being driven by the conveyor 6, thereby completing the fertilizer packaging.

The production and packaging process comprises the following steps: fertilizer after the air current stirring in storage tank 1 is at first carried liquid filling machine 2 through conveyer pipe 3, by liquid filling machine 2 with fertilizer filling to packaging container 4 in, under conveyer 6's drive, packaging container 4 can carry spiral cover machine 8 to encapsulate by the filling back, carries ink jet numbering machine 9 again and spouts the sign indicating number, carries labeller 10 at last and pastes the mark, forms complete product. The conveying device 6 can simultaneously drive a plurality of packaging containers 4 to sequentially complete the process.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.

Claims (10)

1. A liquid fertilizer packaging production line, which is characterized by comprising:

a tank (1) for storing fertilizer;

a filling machine (2) connected with the storage tank (1) through a conveying pipe (3), so that fertilizer in the storage tank (1) flows into the filling machine (2) through the conveying pipe (3) and is filled into a packaging container (4) by the filling machine (2);

the air compressor (5) comprises a first air pipe (51) and a second air pipe (52), the first air pipe (51) is used for supplementing air into the filling machine (2) and is connected with the filling machine (2), and the second air pipe (52) is connected with the storage tank (1) so that the air discharged from the second air pipe (52) can stir the fertilizer in the storage tank (1);

a conveying device (6) for driving the packaging container (4) to move continuously.

2. The liquid fertilizer packaging production line of claim 1, wherein: one end of the second gas pipe (52) penetrates through the storage tank (1) and extends into the storage tank (1), and the horizontal height of the second gas pipe (52) close to the pipe orifice at one end of the storage tank (1) is lower than the horizontal height of fertilizer in the storage tank (1); the storage tank (1) is provided with a plurality of air holes.

3. The liquid fertilizer packaging production line of claim 2, wherein: the second air delivery pipe (52) is provided with a first switch valve (521), and a one-way air valve (522) used for preventing fertilizer from entering the second air delivery pipe (52) is arranged at the position, close to the pipe orifice of one end of the storage tank (1), of the second air delivery pipe (52).

4. The liquid fertilizer packaging production line of claim 3, wherein: an air inlet channel (5221), an air chamber (5222) and an air delivery channel (5223) which are communicated with each other are sequentially arranged in the one-way air valve (522), the air inlet channel (5221) is communicated with the second air delivery pipe (52), a spring (5225) is arranged in the air chamber (5222), the spring (5225) is over against the air inlet channel (5221), one end of the spring (5225) is connected with a blocking piece (5224), and the outer diameter D of the blocking piece (5224) is larger than the inner diameter D of the air inlet channel (5221), so that when no air is filled in the air inlet channel (5221), the spring (5225) is in an extended state and is downward abutted against the blocking piece (5224) to block the air inlet channel (5221); when gas is filled in the gas inlet passage (5221), the gas impacts the blocking piece (5224) upwards to open the gas inlet passage (5221), so that the spring (5225) is in a compressed state.

5. The liquid fertilizer packaging line of claim 4, wherein: the gas inlet valve further comprises a valve core (5226), the valve core (5226) is installed above the blocking piece (5224), one end, connected with the blocking piece (5224), of the spring (5225) is located in the valve core (5226), the outer diameter H1 of the valve core (5226) is larger than the diameter H2 of the gas transmission channel (5223), when gas impacts the blocking piece (5224) upwards to open the gas inlet channel (5221), the top of the valve core (5226) is abutted to the inner wall of the gas chamber (5222), and the side wall of the valve core (5226) is provided with a gas transmission hole (5227).

6. The liquid fertilizer packaging production line of claim 5, wherein: and a filter screen (5228) is arranged at one end of the gas transmission channel (5223) far away from the valve core (5226).

7. The liquid fertilizer packaging production line as claimed in claim 1 or 6, wherein: the storage tank is characterized by further comprising a supporting platform (7), wherein a buckle (71) is arranged on the supporting platform (7), a clamping groove (11) corresponding to the buckle (71) is formed in the bottom of the storage tank (1), and the buckle (71) is clamped in the clamping groove (11), so that the storage tank (1) is detachably mounted on the supporting platform (7);

the part of the second air conveying pipe (52) located in the storage tank (1) is called a detachable section (523), the part of the second air conveying pipe (52) located outside the storage tank (1) is called a connecting section (524), and the connecting section (524) is detachably connected with the detachable section (523).

8. The liquid fertilizer packaging production line of claim 1, wherein: the storage tank (1) is also provided with a feeding hole (12) and a discharging hole (13), and the feeding hole (12) is hinged with a feeding cover (121); the filling machine (2) is also provided with a storage bin (21), one end of the conveying pipe (3) is connected with the discharge hole (13), and the other end of the conveying pipe is connected with the storage bin (21);

still be equipped with second ooff valve (31) and pressure sensor (32) on conveyer pipe (3), pressure sensor (32) are located conveyer pipe (3) are close to the one end of discharge gate (13).

9. The liquid fertilizer packaging line of claim 1, wherein: the outer wall of storage tank (1) still is equipped with observation panel (14), it has the scale to mark on observation panel (14), makes through observing observation panel (14) the scale learns liquid level in storage tank (1).

10. The liquid fertilizer packaging production line of claim 1, wherein: further comprising: a cap screwing machine (8) for applying a sealing cap to a packaging container (4) to seal the packaging container (4);

the code spraying machine (9) is used for spraying codes on the packaging container (4);

the labeling machine (10) is used for labeling the packaging container (4), and the conveying device (6) is sequentially connected with the filling machine (2), the cap screwing machine (8), the code spraying machine (9) and the labeling machine (10), so that the packaging container (4) sequentially passes through the filling machine (2), the cap screwing machine (8), the code spraying machine (9) and the labeling machine (10) under the driving of the conveying device (6) to complete the packaging of fertilizer.

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