Fertilizer weighing bin

Abstract

The utility model discloses a kind of fertilizer weighing bin, it is related to fertilizer production technical field.The utility model includes support, the top of support is fixedly installed with hopper, the bottom of hopper is provided with poking assembly, the bottom end of poking assembly is provided with shielding cylinder, the inner wall top of shielding cylinder is provided with suspension weighing assembly, the connecting end of suspension weighing assembly is provided with weighing bin, the inside of weighing bin is provided with scraping assembly.The utility model can connect shielding cylinder and hopper together by poking assembly, so that shielding cylinder can support weighing bin by suspension weighing assembly;Shielding cylinder can be provided with shielding weighing bin and suspension weighing assembly, which not only prevents dust from adhering to the surface of suspension weighing assembly and eliminates the impact of airflow on weighing bin, but also avoids the collision between personnel and equipment and suspension weighing assembly during on-site operation or maintenance work, thereby ensuring the long-term measurement accuracy and service life of suspension weighing assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the fertilizer production technical field, specifically, especially relate to a fertilizer weighing bin. BACKGROUND

[0002] In the fertilizer production process, accurate material metering is the key link to ensure product quality and production efficiency. A typical weighing bin structure in the industry is to use it as an independent container unit, which is directly connected and suspended below the discharge port of the hopper through the suspension mechanism at the top. The bottom of the weighing bin is provided with a high-precision pressure sensor, and its working principle is to detect the total weight change of the bin body itself and the fertilizer stored therein in real time, and to accurately measure the net weight of the fertilizer flowing into the bin by calculating the weight increment.

[0003] This layout method of completely exposing the entire weighing bin to the factory environment has significant defects in actual application: on the one hand, as a precision component, the sensor and cable are extremely vulnerable to accidental mechanical collisions or pulling caused by on-site device operation, personnel activities or maintenance work, which not only may cause physical damage to the device, but also may cause signal interference, threatening the accuracy of the measurement data; on the other hand, its exposed state directly exposes it to the harsh environment of the workshop - temperature fluctuations will change the physical properties of the internal elements of the sensor, humidity changes are prone to rust, and the pervasive dust (especially fertilizer dust with corrosive or hygroscopic properties) adheres to the surface of the sensor, not only causing corrosion, but also changing the stress state of the sensor, plus the additional impact force on the bin body caused by air flow disturbance; these factors together will introduce significant measurement noise and drift, severely reducing the weighing accuracy and long-term stability, and greatly increasing the failure rate and maintenance requirements of the sensor, causing inconvenience and additional cost burden to the normal production of the enterprise. UTILITY MODEL CONTENTS

[0004] In view of the problem that the exposed pressure sensor is prone to failure, the utility model provides a fertilizer weighing bin to overcome the above technical problems existing in the prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a fertilizer weighing bin, which comprises a support, a hopper fixedly installed at the top of the support, a stirring assembly arranged at the bottom of the hopper, a shielding cylinder arranged at the bottom end of the stirring assembly, a suspension weighing assembly arranged at the inner wall top of the shielding cylinder, a weighing bin arranged at the connecting end of the suspension weighing assembly, and a scraping assembly arranged in the weighing bin.

[0007] The suspended weighing assembly is used to suspend the weighing bin inside the shielding cylinder, and the material feeding assembly is used to feed the material into the weighing bin so that the suspended weighing assembly can weigh the material inside the weighing bin.

[0008] Furthermore, the feeding assembly includes a connecting pipe, which is fixedly installed at the bottom of the hopper. A rotating shaft is rotatably connected inside the connecting pipe, and a feeding plate is fixedly connected to the outer surface of the rotating shaft. The feeding plate is movably connected to the connecting pipe, and a feeding motor is fixedly connected to the outer surface of the connecting pipe. The output end of the feeding motor is fixedly connected to the rotating shaft, and the shielding cylinder is fixedly installed on the outside of the connecting pipe.

[0009] Furthermore, the suspended weighing assembly includes a support rod, several of which are fixedly installed on the top of the inner wall of the shielding cylinder. A mounting plate is fixedly connected to the bottom end of the support rod, and a pressure sensor is fixedly installed on the top of the mounting plate. A U-shaped connecting plate is movably connected to the outer surface of the support rod, and the weighing chamber is fixedly installed at the bottom of the U-shaped connecting plate.

[0010] Furthermore, a receiving pipe is fixedly connected to the top of the weighing chamber, and the receiving pipe is movably connected to the connecting pipe. A collecting hopper is fixedly connected to the inner wall of the connecting pipe. A discharge pipe is fixedly connected to the bottom of the weighing chamber, and the bottom end of the discharge pipe extends to the outside of the shielding cylinder. A solenoid valve is installed inside the discharge pipe.

[0011] Furthermore, the scraping assembly includes a rotating groove, which is formed on the inner wall of the weighing chamber. A rotating ring is rotatably connected inside the rotating groove, and a scraper is fixedly connected to the bottom of the rotating ring. The scraper is in contact with the inner wall of the weighing chamber.

[0012] Furthermore, a drive groove is provided on the top of the inner wall of the weighing chamber, and a driven gear is fixedly connected inside the drive groove. The rotating ring is fixedly connected to the driven gear. A storage groove is provided on the inner wall of the drive groove, and a driving gear is rotatably connected inside the storage groove. The driving gear and the driven gear mesh together. A drive motor is fixedly installed on the top of the weighing chamber, and the output end of the drive motor is fixedly connected to the driving gear.

[0013] Furthermore, a connecting frame is fixedly connected to the outer surface of the shielding cylinder, and the connecting frame is fixedly installed on the inner wall of the bracket.

[0014] This utility model has the following beneficial effects:

[0015] This invention connects the shielding cylinder to the hopper via a material feeding assembly, allowing the shielding cylinder to be supported by the suspended weighing assembly. The shielding cylinder's ability to shield both the suspended weighing assembly and the suspended weighing assembly not only prevents dust from adhering to the surface of the suspended weighing assembly and eliminates the impact force of airflow on the suspended weighing assembly, but also prevents personnel and equipment from colliding with the suspended weighing assembly during on-site operation or maintenance, thereby ensuring the long-term measurement accuracy and service life of the suspended weighing assembly.

[0016] This invention uses a drive motor, a driving gear, and a driven gear to drive the rotating ring. At this time, the scraper can scrape the inner wall of the weighing chamber under the drive of the rotating ring, so that the fertilizer will not accumulate inside the weighing chamber. The above configuration allows the fertilizer inside the weighing chamber to be completely discharged after the discharge is completed, thereby further improving the accuracy when weighing the fertilizer again in the weighing chamber.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the utility model embodiments, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the external outline structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the shielding cylinder structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the material feeding assembly structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the weighing cylinder structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the suspended weighing assembly structure of this utility model;

[0024] Figure 6 For the present utility model Figure 5 Enlarged structural diagram at point A in the middle;

[0025] Figure 7 This is a top sectional view of the weighing cylinder of this utility model;

[0026] Figure 8This is a schematic diagram of the rotating ring structure of this utility model.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Support frame; 2. Hopper; 3. Feeding assembly; 301. Connecting pipe; 302. Rotating shaft; 303. Feeding plate; 304. Feeding motor; 4. Baffle cylinder; 5. Suspended weighing assembly; 501. Support rod; 502. Mounting plate; 503. Pressure sensor; 504. C-shaped connecting plate; 6. Weighing bin; 7. Scraper assembly; 701. Rotating groove; 702. Rotating ring; 703. Scraper; 704. Drive groove; 705. Driven gear; 706. Collection groove; 707. Drive gear; 708. Drive motor; 8. Receiving pipe; 9. Converging hopper; 10. Discharge pipe; 11. Solenoid valve; 12. Connecting frame. Detailed Implementation

[0029] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0030] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0031] Please see Figures 1-8 As shown, this utility model is a fertilizer weighing bin, including a support 1. The support 1 is characterized in that a hopper 2 is fixedly installed on the top of the support 1, a material feeding component 3 is provided at the bottom of the hopper 2, a shielding cylinder 4 is provided at the bottom end of the material feeding component 3, a hanging weighing component 5 is provided at the top of the inner wall of the shielding cylinder 4, a weighing bin 6 is provided at the connecting end of the hanging weighing component 5, and a scraping component 7 is provided inside the weighing bin 6.

[0032] The suspended weighing component 5 is used to suspend the weighing bin 6 inside the shielding cylinder 4, and the material feeding component 3 is used to feed the material into the weighing bin 6 so that the suspended weighing component 5 can weigh the weight of the material inside the weighing bin 6.

[0033] The fertilizer inside the hopper 2 can be transferred to the weighing chamber 6 by the feeding component 3, so that the suspended weighing component 5 can weigh the fertilizer inside the weighing chamber 6. When the weight of the fertilizer reaches the predetermined value, the feeding component 3 stops transferring the fertilizer, and at the same time, the discharge end at the bottom of the weighing chamber 6 opens and puts the fertilizer into the packaging bag.

[0034] The shielding cylinder 4 can be connected to the hopper 2 by the material feeding component 3, so that the shielding cylinder 4 can be supported by the symmetrical weighing chamber 6 by the suspension weighing component 5. The shielding cylinder 4 can shield the symmetrical weighing chamber 6 and the suspension weighing component 5, which not only prevents dust from adhering to the surface of the suspension weighing component 5 and eliminates the impact force of the airflow on the symmetrical weighing chamber 6, but also avoids personnel and equipment from colliding with the suspension weighing component 5 during on-site operation or maintenance, thereby ensuring the long-term measurement accuracy and service life of the suspension weighing component 5.

[0035] In one embodiment, the feeding assembly 3 includes a connecting pipe 301, which is fixedly installed at the bottom of the hopper 2. A rotating shaft 302 is rotatably connected inside the connecting pipe 301. A feeding plate 303 is fixedly connected to the outer surface of the rotating shaft 302. The feeding plate 303 is movably connected to the connecting pipe 301. A feeding motor 304 is fixedly connected to the outer surface of the connecting pipe 301. The output end of the feeding motor 304 is fixedly connected to the rotating shaft 302. The shielding cylinder 4 is fixedly installed on the outside of the connecting pipe 301.

[0036] An elevator is installed on one side of the hopper 2. The elevator can transport fertilizer into the hopper 2. Under its own weight, the fertilizer inside the hopper 2 can fall into the connecting pipe 301. When bagging the fertilizer, the feeding motor 304 is driven, which drives the feeding plate 303 to rotate inside the connecting pipe 301 through the rotating shaft 302. The rotating feeding plate 303 can move the fertilizer inside the connecting pipe 301 and allow the fertilizer to pass through the feeding plate 303. Since the feeding plate 303 can continuously rotate inside the connecting pipe 301 and move the fertilizer, the accumulation of fertilizer inside the connecting pipe 301 is effectively prevented, and the unobstructed flow of the connecting pipe 301 is also guaranteed.

[0037] In one embodiment, the suspended weighing assembly 5 includes a support rod 501, several of which are fixedly installed on the top of the inner wall of the shielding cylinder 4. The bottom end of the support rod 501 is fixedly connected to a mounting plate 502, and a pressure sensor 503 is fixedly installed on the top of the mounting plate 502. A U-shaped connecting plate 504 is movably connected to the outer surface of the support rod 501, and the weighing chamber 6 is fixedly installed at the bottom of the U-shaped connecting plate 504.

[0038] The weighing chamber 6 can press the pressure sensor 503 downward through the U-shaped connecting plate 504. Fertilizer passing through the feeding plate 303 can fall directly into the weighing chamber 6. As more and more fertilizer is added to the weighing chamber 6, the pressing force of the U-shaped connecting plate 504 on the pressure sensor 503 will also increase. When the pressing force reaches a predetermined value, the pressure sensor 503 can send a signal to the controller, which will then control the feeding motor 304. This will prevent the feeding motor 304 from driving the feeding plate 303 through the rotating shaft 302. At this time, the feeding plate 303 can block the connecting pipe 301, thus preventing fertilizer from falling into the weighing chamber 6.

[0039] In one embodiment, for the weighing chamber 6, a receiving pipe 8 is fixedly connected to the top of the weighing chamber 6, the receiving pipe 8 is movably connected to the connecting pipe 301, a collecting hopper 9 is fixedly connected to the inner wall of the connecting pipe 301, a discharge pipe 10 is fixedly connected to the bottom of the weighing chamber 6, the bottom end of the discharge pipe 10 extends to the outside of the shielding cylinder 4, and a solenoid valve 11 is provided inside the discharge pipe 10.

[0040] The fertilizer inside the connecting pipe 301 can fall directly into the weighing chamber 6 through the receiving pipe 8. The receiving pipe 8 prevents the fertilizer inside the connecting pipe 301 from falling between the shielding cylinder 4 and the weighing chamber 6. The converging hopper 9 can guide the fertilizer inside the connecting pipe 301, preventing it from falling directly into the contact area between the connecting pipe 301 and the receiving pipe 8. This design effectively avoids the accumulation and adhesion of fertilizer at the connection point between the connecting pipe 301 and the receiving pipe 8, and also allows the receiving pipe 8 to slide normally inside the connecting pipe 301, thus ensuring the accuracy of the pressure sensor 503 when weighing the fertilizer. When the fertilizer in the weighing chamber 6 reaches the predetermined value and the material feeding plate 303 completes the shielding of the connecting pipe 301, the solenoid valve 11 can open and no longer shield the discharge pipe 10, allowing the fertilizer in the weighing chamber 6 to fall directly into the packaging bag through the discharge pipe 10.

[0041] In one embodiment, the scraping assembly 7 includes a rotating groove 701, which is formed on the inner wall of the weighing chamber 6. A rotating ring 702 is rotatably connected inside the rotating groove 701, and a scraper 703 is fixedly connected to the bottom of the rotating ring 702. The scraper 703 is in contact with the inner wall of the weighing chamber 6.

[0042] When the fertilizer inside the weighing chamber 6 is discharged, the rotating ring 702 can rotate inside the rotating groove 701. At this time, the scraper 703 can scrape the inner wall of the weighing chamber 6 under the drive of the rotating ring 702, so that the fertilizer will not accumulate inside the weighing chamber 6. The above settings enable the fertilizer inside the weighing chamber 6 to be completely discharged after the discharge is completed.

[0043] In one embodiment, for the weighing chamber 6 described above, a drive groove 704 is provided on the top of the inner wall of the weighing chamber 6, a driven gear 705 is fixedly connected inside the drive groove 704, the rotating ring 702 is fixedly connected to the driven gear 705, a receiving groove 706 is provided on the inner wall of the drive groove 704, a driving gear 707 is rotatably connected inside the receiving groove 706, the driving gear 707 and the driven gear 705 mesh together, a drive motor 708 is fixedly installed on the top of the weighing chamber 6, and the output end of the drive motor 708 is fixedly connected to the driving gear 707.

[0044] When the drive motor 708 is started, the drive gear 707 can rotate inside the storage slot 706 under the drive of the drive motor 708. The rotating drive gear 707 drives the driven gear 705 to rotate inside the drive slot 704, and the rotating ring 702 can rotate inside the rotating slot 701 under the drive of the driven gear 705.

[0045] In one embodiment, for the aforementioned shielding cylinder 4, a connecting frame 12 is fixedly connected to the outer surface of the shielding cylinder 4, and the connecting frame 12 is fixedly installed on the inner wall of the bracket 1.

[0046] The bracket 1 can support the shielding cylinder 4 through the connecting frame 12, so that the shielding cylinder 4 will not shake when the symmetrical measuring chamber 6 is shielding, thus ensuring the overall shielding and protection effect of the shielding cylinder 4.

[0047] Through the above technical solutions, 1. The shielding cylinder 4 can be connected to the hopper 2 by the material feeding component 3, so that the shielding cylinder 4 can be supported by the suspended weighing component 5 to the weighing chamber 6; the shielding cylinder 4 can shield the weighing chamber 6 and the suspended weighing component 5, which not only prevents dust from adhering to the surface of the suspended weighing component 5 and eliminates the impact force of airflow on the weighing chamber 6, but also avoids personnel and equipment from colliding with the suspended weighing component 5 during on-site operation or maintenance, thereby ensuring the long-term measurement accuracy and service life of the suspended weighing component 5; 2. The rotating ring 702 is driven by the drive motor 708, the drive gear 707 and the driven gear 705. At this time, the scraper 703 can scrape the inner wall of the weighing chamber 6 under the drive of the rotating ring 702, so that fertilizer will not accumulate inside the weighing chamber 6; the above settings enable the weighing chamber 6 to be completely empty of fertilizer after discharge, thereby further improving the accuracy when weighing fertilizer again in the weighing chamber 6.

[0048] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0049] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fertilizer weighing bin, comprising a support frame (1), characterized in that, A hopper (2) is fixedly installed on the top of the bracket (1), a material feeding component (3) is provided at the bottom of the hopper (2), a shielding cylinder (4) is provided at the bottom end of the material feeding component (3), a hanging weighing component (5) is provided at the top of the inner wall of the shielding cylinder (4), a weighing chamber (6) is provided at the connecting end of the hanging weighing component (5), and a scraping component (7) is provided inside the weighing chamber (6). The suspended weighing assembly (5) is used to suspend the weighing bin (6) inside the shielding cylinder (4), and the material feeding assembly (3) is used to feed the material into the weighing bin (6) so that the suspended weighing assembly (5) weighs the weight of the material inside the weighing bin (6).

2. The fertilizer weighing bin according to claim 1, characterized in that, The feeding assembly (3) includes a connecting pipe (301), which is fixedly installed at the bottom of the hopper (2). A rotating shaft (302) is rotatably connected inside the connecting pipe (301). A feeding plate (303) is fixedly connected to the outer surface of the rotating shaft (302). The feeding plate (303) is movably connected to the connecting pipe (301). A feeding motor (304) is fixedly connected to the outer surface of the connecting pipe (301). The output end of the feeding motor (304) is fixedly connected to the rotating shaft (302). The shielding cylinder (4) is fixedly installed on the outside of the connecting pipe (301).

3. The fertilizer weighing bin according to claim 1, characterized in that, The suspended weighing assembly (5) includes a support rod (501). Several support rods (501) are fixedly installed on the top of the inner wall of the shielding cylinder (4). The bottom end of the support rod (501) is fixedly connected to an mounting plate (502). The top of the mounting plate (502) is fixedly installed with a pressure sensor (503). The outer surface of the support rod (501) is movably connected to a U-shaped connecting plate (504). The weighing chamber (6) is fixedly installed at the bottom of the U-shaped connecting plate (504).

4. A fertilizer weighing bin according to claim 2, characterized in that, The top of the weighing chamber (6) is fixedly connected to a receiving pipe (8), which is movably connected to a connecting pipe (301). The inner wall of the connecting pipe (301) is fixedly connected to a collecting hopper (9). The bottom of the weighing chamber (6) is fixedly connected to a discharge pipe (10), the bottom end of which extends to the outside of the shielding cylinder (4). A solenoid valve (11) is installed inside the discharge pipe (10).

5. A fertilizer weighing bin according to claim 1, characterized in that, The scraping assembly (7) includes a rotating groove (701) which is formed on the inner wall of the weighing chamber (6). A rotating ring (702) is rotatably connected inside the rotating groove (701). A scraper (703) is fixedly connected to the bottom of the rotating ring (702). The scraper (703) is in contact with the inner wall of the weighing chamber (6).

6. A fertilizer weighing bin according to claim 5, characterized in that, The weighing chamber (6) has a drive groove (704) on the top of its inner wall. A driven gear (705) is fixedly connected inside the drive groove (704). The rotating ring (702) is fixedly connected to the driven gear (705). The drive groove (704) has a storage groove (706) on its inner wall. A drive gear (707) is rotatably connected inside the storage groove (706). The drive gear (707) and the driven gear (705) mesh together. A drive motor (708) is fixedly installed on the top of the weighing chamber (6). The output end of the drive motor (708) is fixedly connected to the drive gear (707).

7. A fertilizer weighing bin according to claim 1, characterized in that, A connecting frame (12) is fixedly connected to the outer surface of the shielding cylinder (4), and the connecting frame (12) is fixedly installed on the inner wall of the bracket (1).

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