Organic fertilizer packing system with material iron removal

Abstract

The application discloses an organic fertilizer packaging system with material iron removal, which comprises an initial bin, a pulverizer connected with the initial bin through a first conveyor, a broken block mechanism, an iron removal mechanism being installed on the first conveyor in sequence and at intervals along a material conveying direction, a screening machine with a feeding port connected with a discharging port of the pulverizer through a second conveyor, and a packaging machine with a feeding end connected with a qualified material outlet of the screening machine through a fourth conveyor. The application can effectively remove iron products contained in the material, scatter material agglomeration, guarantee the service life of the whole line of equipment, stabilize the finished product granularity quality, reduce manual operation, and improve the automatic packaging production efficiency of the organic fertilizer.

Description

Technical Field

[0001] This invention relates to material conveying and iron removal equipment, specifically an organic fertilizer packaging system that removes iron from materials. Background Technology

[0002] During the production of organic fertilizer, the fermentation raw materials often contain a large amount of clumps, and magnetic impurities such as iron nails, iron filings, and metal fragments from equipment wear can easily be mixed in during the raw material collection, fermentation, and transportation stages. These impurities can severely damage production equipment, leading to high maintenance and downtime losses, and can also reduce the quality and safety of the final product, posing risks to the soil and crops.

[0003] Existing organic fertilizer packaging production lines only place the iron removal device after screening and before packaging. Raw materials that are clumped together are directly fed into the crusher without being crushed in advance. Large clumps can easily cause a sudden increase in the load on the crusher, accelerated wear of the hammer blades, or even machine jamming and shutdown. At the same time, metal impurities are ground into fine iron powder after entering the crushing equipment along with the material. The single iron removal device at the finished product end cannot completely capture them. The residual iron powder can not only scratch the screen of the screening machine and the packaging weighing sensor, but also easily puncture the finished product packaging bag, causing material leakage. Organic fertilizer with excessive iron content can easily clog fertilizer application equipment when applied to the field.

[0004] Traditional production lines have separate conveying sections for the crushing and iron removal processes. The equipment is scattered, there are many transfer and conveying links, the production line occupies a large space, there is a lot of dust and loss during material transfer, and there is a lack of an integrated layout structure for raw material pretreatment. The crushing of lumps and the removal of metal impurities are carried out in separate steps, requiring additional manual sorting of iron blocks and breaking up large lumps. The degree of automation is low, which seriously restricts the efficiency of continuous packaging production of organic fertilizer. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an organic fertilizer packaging system and method with iron removal function.

[0006] To achieve the above objectives, the present invention provides the following technical solution: An organic fertilizer baling system with iron removal capability includes an initial silo; a crusher connected to the initial silo via a first conveyor, on which a breaking mechanism and an iron removal mechanism are sequentially and spaced apart along the material conveying direction; a screening machine whose inlet is connected to the outlet of the crusher via a second conveyor; and a baling machine whose inlet is connected to the qualified material outlet of the screening machine via a fourth conveyor.

[0007] An organic fertilizer baling system with iron removal capability includes an initial silo; a crusher connected to the initial silo via a first conveyor, on which a breaking mechanism and an iron removal mechanism are sequentially and spaced apart along the material conveying direction; a screening machine whose inlet is connected to the outlet of the crusher via a second conveyor; and a baling machine whose inlet is connected to the qualified material outlet of the screening machine via a fourth conveyor.

[0008] Furthermore, it also includes a telescopic guide component, which is installed at the bottom of the iron collecting component. The telescopic guide component includes a movable end of a guide plate, which can extend and retract outward relative to the bottom of the iron collecting component, and the extension and retraction direction is parallel to the bottom of the iron collecting component.

[0009] Furthermore, the telescopic guide includes a guide plate, on which at least two support guide plates are spaced apart. Each support guide plate is mounted on the bottom of the iron collecting component via at least two clamps, and the support guide plates are movable relative to the at least two clamps. The telescopic drive includes a piston rod, which drives the piston rod to extend and retract. The piston rod is connected to the guide plate in a transmission manner.

[0010] Furthermore, it also includes a positioning sensor and a controller; the positioning sensor includes a first positioning sensor and a second positioning sensor, each of which limits the rotational position of an electromagnet; the first positioning sensor, the second positioning sensor, the magnet drive, and the electromagnet are all electrically connected to the controller.

[0011] Furthermore, the iron collecting component includes an insulated material guide plate, which is inclined downward relative to the splicing electromagnet, with first side plates installed at both ends, and the lower end of the insulated material guide plate is connected to one side of the iron unloading trough; a second side plate, each of the first side plates is connected to a second side plate, and the second side plate is fixedly installed in the iron unloading trough; and a baffle, which has a high end and a low end, the low end is fixedly installed in the iron unloading trough, the high end is bent and then inclined upward to extend above the top of the first side plate, and the two sides of the baffle are connected to the corresponding second side plates.

[0012] Furthermore, the air supply component includes an air inlet pipe, which is connected to the jet box in a sealed and fixed manner; and an air delivery pipe, which is fixedly installed on the pipe support and connected to the air inlet pipe through a rotating pipe joint.

[0013] Furthermore, the breaking mechanism includes a filter plate, which is placed laterally on the top surface of the first conveyor, with supporting side plates installed at both ends, and is inclined upward relative to the material conveying direction of the first conveyor. Multiple filter grooves are spaced along the length of the side of the filter plate closest to the first conveyor; a rotating shaft, on which multiple rows of breaking rods are circumferentially installed, each row of breaking rods including multiple breaking rods arranged in parallel at intervals, with adjacent rows of breaking rods staggered; the two ends of the rotating shaft are fixedly installed on the two supporting side plates through bearing seats; and a breaking drive motor, which is connected to the rotating shaft for transmission.

[0014] Furthermore, it also includes a first dust extraction pipe, a second dust extraction pipe, a third dust extraction pipe, a feeding hopper, and a receiving hopper. The bottom of the feeding hopper is connected to the inlet end of the crusher, the top is connected to the first dust extraction pipe, and a feeding port is provided on the side. The top of the screening machine is equipped with a second dust extraction pipe. The receiving hopper is installed at the top feeding port of the baler, and a receiving port is provided on the side of the receiving hopper. The third dust extraction pipe is installed on the top of the receiving hopper.

[0015] Furthermore, it also includes a third conveyor and a return material unloading chute. One end of the third conveyor is connected to the return material outlet of the screening machine, and the other end extends to the return material unloading chute, which unloads the material conveyed by the third conveyor onto the second conveyor.

[0016] Compared with the prior art, the beneficial effects of the present invention are: This invention sequentially installs a clogging mechanism and an iron removal mechanism on the first conveyor from the initial silo to the crusher. Before the raw material is crushed, clumps are broken up and iron impurities are intercepted in advance. This prevents large clumps and hard metal objects from damaging the crusher, screen, and packaging equipment, and also prevents fine iron powder from flowing to the rear end and puncturing the packaging bag. After being crushed by the crusher, the material is sent to the screening machine for grading and screening. Qualified material is directly conveyed to the packaging machine for filling and packaging. The various processes are connected in series by the conveyor, realizing integrated continuous operation of pretreatment, crushing, screening, and packaging. The pre-installed clogging and iron removal mechanisms simplify the production line layout, save space, thoroughly remove metal impurities from the source, break up material clumps, ensure the service life of all equipment, stabilize the particle size and quality of the finished product, reduce manual operation, and improve the efficiency of automated packaging production of organic fertilizer. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1 This is a schematic diagram of the structure of an organic fertilizer packaging system with iron removal function for materials according to the present invention.

[0019] Figure 2 This is a schematic diagram of the iron removal mechanism in this invention.

[0020] Figure 3 This is a schematic diagram of the structure of the roller magnet in this invention.

[0021] Figure 4 This is a schematic diagram of the structure of the breaking mechanism in this invention.

[0022] Figure 5 This is a schematic diagram of the filter plate in the breaking mechanism of the present invention.

[0023] The reference numerals and their corresponding component names in the figure are as follows: 1-Initial hopper, 2-Hhopper support, 3-First conveyor, 4-Brewing mechanism, 41-Filter plate, 411-Filter tank, 42-Support side plate, 43-Bearing seat, 44-Rotating shaft, 45-Brewing rod, 46-Brewing drive motor, 47-Second support platform 5-Iron removal mechanism, 51-First electromagnet, 52-Second electromagnet, 53-Magnetic isolation plate, 54-Air jet box, 541-Air jet hole, 55-Magnetic isolation support circular plate, 56-Iron removal bracket, 57-Magnetic drive machine, 58-First support platform, 59-Air inlet pipe, 510-Rotating pipe joint, 511-First side plate, 512-Magnetic isolation guide plate, 513-Magnetic through groove, 514-Baffle, 515-Second side plate, 517-Iron unloading groove, 518-Pipe support, 519-Air supply pipe, 520-Iron guide plate, 521-Support guide plate, 522-Clamp seat, 523-Telescopic drive component, 5231-Piston rod, 524-Positioning sensor, 5241-Contact rod, 5242-Trigger seat; 6-Feeding hopper, 7-First dust extraction pipe, 8-Crusher, 9-Vibrator, 10-Discharge hopper, 11-Second conveyor, 12-Discharge hopper, 13-Screening machine, 131-Feed inlet, 14-Second dust extraction pipe, 15-Third conveyor, 16-Return unloading chute, 17-Finished product unloading hopper, 18-Fourth conveyor, 19-Third dust extraction pipe, 20-Receiving hopper, 21-Discharge pipe, 22-Fifth conveyor, 23-Packaging machine. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Example 1: like Figure 1-5 As shown, this disclosure discloses an organic fertilizer baling system with iron removal capabilities, comprising an initial material silo 1, a crusher 8, a screening machine 13, and a baler 23. The crusher 8 is connected to the initial material silo 1 via a first conveyor 3, on which a breaking mechanism 4 and an iron removal mechanism 5 are sequentially and spaced apart along the material conveying direction. The inlet of the screening machine 13 is connected to the outlet of the crusher 8 via a second conveyor 11. The inlet of the baler 23 is connected to the qualified material outlet of the screening machine 13 via a fourth conveyor 18.

[0026] The screening machine 13 has a return discharge port and a finished product discharge port. The return discharge port returns coarse material for re-screening. The finished product discharge port conveys qualified material to the baler.

[0027] like Figure 1 As shown, a finished product unloading bin 17 is installed at the bottom of the screening machine. The bottom of the finished product unloading bin 17 has a finished product discharge port. The qualified material falls through the finished product discharge port of the finished product unloading bin to the fourth conveyor 18. The fourth conveyor 18 transports the qualified material to the packaging machine.

[0028] like Figure 1 As shown, the crusher is equipped with a vibrator 9, which is used to continuously vibrate the crusher casing to prevent material from sticking and accumulating on the inner wall of the crushing chamber, bridging and blocking the material, ensuring that the crushed material falls and is discharged smoothly, and avoiding excessive material accumulation in the chamber, which would cause a decrease in crushing efficiency and motor overload.

[0029] Understandably, organic fertilizer raw materials have high moisture content and strong viscosity. During the crushing process, fine powder easily adheres to the inner wall of the crusher and the surface of the screen plate, forming a material accumulation layer. Large clumps are easily retained in the cavity after being broken up, which cannot be discharged in time, reducing crushing capacity, increasing the load on the main machine, or even causing the machine to stall and stop. Adding a vibrator to the crusher generates continuous micro-vibration during operation. The vibration force helps to peel off the fertilizer powder adhering to the inner wall of the cavity and the screen surface, breaking the material accumulation and bridging phenomenon. This allows the crushed material to quickly fall through the screen into the discharge conveyor, maintaining continuous and stable output from the crusher, reducing the frequency of manual shutdown for cleaning, and improving the continuous operation capability of the entire organic fertilizer production line.

[0030] The crusher is equipped with two discharge ports: a main discharge port and a maintenance discharge port. During normal crushing operations, the material is discharged from the main discharge port and conveyed to the screening machine. The maintenance discharge port is normally closed and is only opened when the crusher is blocked or shut down due to a malfunction, so as to quickly discharge the material stuck in the chamber. The dual discharge port diversion design can avoid the concentrated flow of a single discharge port and facilitate the quick clearing and maintenance of the equipment, ensuring flexible start-up and shutdown of the production line.

[0031] like Figure 1As shown, the discharge hopper 2 is installed at the maintenance discharge port. The maintenance discharge port can release the blocked material in the cavity without disassembling the machine for cleaning, which greatly shortens the equipment downtime for maintenance, prevents the crusher from being overloaded and stalled due to material accumulation, and improves the continuous operation stability of the entire organic fertilizer packaging system.

[0032] This invention integrates a clogging mechanism and an iron removal mechanism on the first conveyor leading from the initial hopper to the crusher. Before entering the crushing process, the organic fertilizer raw materials undergo clogging and are intercepted by magnetic metal impurities. On one hand, large clumps of material are broken up, reducing the risk of material jamming and overload wear inside the crusher. On the other hand, iron nails, iron filings, and metal shavings mixed in with the raw materials are removed in advance, preventing hard metal objects from entering the crusher and causing damage to the hammers and liners, significantly extending the crusher's service life. Simultaneously, it prevents metal impurities from flowing into the screening and packaging stages and damaging the screens, weighing sensors, and finished product packaging bags.

[0033] After crushing, the raw materials are conveyed to a screening machine for grading and screening. Organic fertilizer with qualified particle size is directly fed into the baler from the qualified material outlet via the fourth conveyor. Lumpy coarse material can be recycled and re-screened through the return material outlet, realizing continuous operation of the raw material crushing-screening-baling production line. Each section is connected in an orderly manner by independent conveyors, the material conveying rhythm is controllable, and the finished product after screening has a uniform particle size, preventing the mixing of large and small lumps, improving the appearance quality of the finished organic fertilizer, and preventing large particles from clogging the feeding channel of the baler, ensuring stable baling and metering accuracy.

[0034] This invention incorporates an iron removal mechanism immediately after the raw material exits the hopper, before it is crushed. Because the raw material is intact and unbroken, large metal impurities are more easily adsorbed and captured by the iron removal mechanism. If the iron powder is allowed to become finer after crushing, the difficulty of removing the fine magnetic powder increases significantly. Pre-processing reduces the amount of metal impurities entering subsequent equipment, minimizing potential hazards such as metal wear, packaging punctures, and clogging of fertilizer application equipment.

[0035] This invention installs the breaking mechanism and the iron removal mechanism at intervals along the conveying direction on the first conveyor, eliminating the need for separate transfer silos and independent conveying equipment to complete the two pre-treatment processes of breaking and iron removal. This reduces the number of conveying transfers, reduces dust and material loss during material transfer, and shortens the total length of the entire production line, reducing equipment investment and factory space occupation, resulting in a compact production line structure.

[0036] The present invention relies on the automatic connection of multiple conveyors for initial feeding, crushing, screening and finished product packaging. Pre-treatment iron removal and block breaking are completed online simultaneously. There is no need for manual sorting of iron blocks or manual breaking of clumps. The whole system can run continuously without interruption, reducing manual sorting and transportation costs and greatly improving the production capacity of complete organic fertilizer processing and packaging.

[0037] In some alternative embodiments, one structure of the iron removal mechanism is provided. For example... Figure 2, 3 As shown, the iron removal mechanism 5 includes a splicing electromagnet, an air jet box 54, an iron collection component, an iron removal bracket, a magnetically insulating support circular plate 55, a magnet drive motor, and an air supply component. The splicing electromagnet includes two arc-shaped electromagnets, each of which can be independently controlled to be energized or de-energized, and they do not interfere with each other during operation; each electromagnet is equipped with an independent power supply control circuit, which can be individually controlled to be energized or de-energized, and the start and stop actions of each electromagnet do not interfere with each other, and their operating conditions are not affected by each other. The jet box 54 is a hollow, flat cuboid. Two electromagnets clamp and fix the jet box 54, and an antimagnetic plate 53 is provided between the jet box 54 and the electromagnets. Multiple jet holes 541 are provided at intervals along the length direction on both sides of the jet box 54. Iron collecting components are installed at intervals on both sides of the splicing electromagnets. When the jet box 54 is rotated to be parallel to the direction of material conveying by the first conveyor, the jet box 54 is higher than the bottom surface of the iron collecting components. The interval between each iron collecting component and the splicing electromagnets forms a magnetic through groove 513. Antimagnetic support circular plates 55 are provided at both ends of the splicing electromagnets. Each antimagnetic support circular plate 55 is rotatably connected to an iron removal bracket. The magnet drive is driven by an antimagnetic support circular plate 55. The air supply component is connected to the jet box 54 and is rotatably connected in a sealed manner.

[0038] The rotating connection structure of the magnetically insulating support circular plate 55: The magnetically insulating support circular plate 55 is rotatably connected to the bearing housing via a rotating shaft. The bearing housing is fixedly installed on the iron removal bracket.

[0039] The two sides of the jet box are located at the junction of the two electromagnets, and the number of jet holes can be set appropriately according to the length. The jet holes can be funnel-shaped. When the airflow is ejected through the funnel-shaped channels, it can expand the purging coverage area and increase the purging force at a distance, which can efficiently and quickly blow fallen iron parts away from the electromagnet area, avoiding the accumulation of iron parts and affecting the magnetic attraction operation of the equipment.

[0040] The electromagnet can be divided into a first electromagnet 51 and a second electromagnet 52, which are spliced ​​together to form a cylindrical electromagnet. A magnetic shielding plate 53 is provided between the first electromagnet 51, the second electromagnet 52 and the jet box 54. The magnetic shielding plate separates the magnetic field of the electromagnet from the jet box area, blocks the transmission of the magnetic force of the electromagnet to the jet box, prevents the falling iron parts from being attracted and accumulated in the jet box, and ensures that the airflow from the jet hole can smoothly blow the iron products away.

[0041] One mounting structure for the magnet drive 57: The magnet drive 57 is mounted on the first support platform 58.

[0042] The first electromagnet 51 and the second electromagnet 52 are respectively connected to independent power supply control circuits, and each can independently control the power on or off without interfering with the other.

[0043] The cylindrical electromagnet is arranged horizontally above the conveyor belt, and the matching magnet drive motor 57 can drive the cylindrical electromagnet to rotate 360°.

[0044] Working method: The magnet drive motor 57 drives the magnetically isolated support circular plate 55 connected to it. The magnetically isolated support circular plate 55 is supported by a rotating shaft, bearing seat and iron removal bracket. The magnetically isolated support circular plate 55 drives the first electromagnet 51, the second electromagnet 52 and the jet box 54 to rotate.

[0045] During the iron removal process, the magnet drive motor 57 drives the cylindrical electromagnet, which is composed of the first electromagnet 51 and the second electromagnet 52, to rotate continuously. When the first electromagnet 51 rotates to the unloading position where its bottom surface is parallel to the conveyor belt, the control system controls the magnet drive motor 57 to pause briefly and simultaneously cuts off the power supply to the first electromagnet 51. The second electromagnet 52 remains energized and continues to attract ferrous materials on the conveyor belt.

[0046] After the first electromagnet 51 is de-energized, its magnetism disappears, and the iron products previously adsorbed on its surface lose their magnetic binding force and fall downwards under their own gravity. The jet box located next to the electromagnet continuously supplies air and sprays air outwards through multiple sets of horn-shaped jet holes on the side to form an isolation air curtain, effectively preventing the fallen iron products from passing through the magnet through slot 513 and falling back into the conveyor belt, thus realizing the separation and collection of iron materials.

[0047] After the first electromagnet completes unloading and purging, the magnet-driven motor 57 restarts, and the cylindrical electromagnet continues to rotate. When the second electromagnet 52 rotates to the unloading station where its bottom surface is parallel to the conveyor belt, it performs the exact same action: the motor stops, the second electromagnet is de-energized to release material, the first electromagnet remains energized, and the air jet box synchronously sprays air to prevent the iron parts from falling back. The working principle will not be explained again.

[0048] Understandably, in this invention, the motor at the unloading station briefly pauses, the electromagnet's position is fixed, and the purging airflow is stable, preventing iron parts from scattering due to rotational shaking. During unloading, another electromagnet remains continuously energized, continuously adsorbing ferrous debris from the conveyor belt without any gaps in iron removal, resulting in higher separation efficiency. Continuous air jetting creates an airflow barrier, preventing iron parts from flowing back onto the conveyor belt via the magnetic channel, ensuring thorough iron removal and reducing secondary contamination. As the iron parts fall, the jet nozzles on the jet box continuously eject gas, preventing them from falling back onto the conveyor belt via the magnetic channel. An anti-magnetic plate is installed between the electromagnet and the jet box to block the magnetic field from adsorbing the box.

[0049] Both the magnetic shielding plate and the magnetic shielding support circular plate have magnetic shielding functions. This prevents the magnetic fields of the first and second electromagnets from affecting the magnet drive motor. The magnetic shielding plate between the first and second electromagnets further prevents interference between them.

[0050] In some alternative embodiments, a receiving device is provided for receiving iron objects falling from an electromagnet. A telescopic guide is mounted at the bottom of the iron collector. The telescopic guide includes a movable end of a guide plate that can extend and retract outward relative to the bottom of the iron collector, and the direction of extension and retraction is parallel to the bottom of the iron collector.

[0051] The telescopic guide includes a guide plate 520 and a telescopic drive 523. At least two support guide plates 521 are installed at intervals on the guide plate 520. Each support guide plate 521 is installed at the bottom of the iron collecting component through at least two clamps 522, and the support guide plate 521 can move relative to the at least two clamps 522. The telescopic drive 523 includes a piston rod 5231, which drives the piston rod 5231 to extend and retract. The piston rod 5231 is connected to the guide plate 520 in a transmission manner.

[0052] The support guide plate 521 can move at the bottom of the iron collecting component under the support of at least two clamps 522. The number of clamps 522 can be 2, 3, or 4, etc. Multiple clamps can guide the movement of the support guide plate.

[0053] The telescopic drive component 523 can drive the piston rod 5231 to achieve telescopic movement.

[0054] When the first electromagnet 51 or the second electromagnet 52 rotates to the unloading position, the magnet drive 57 stops driving the first and second electromagnets to rotate. Simultaneously, the telescopic drive 523 drives the piston rod 5231 towards the bottom of the jet box 54, and the piston rod drives the guide plate 520 to move towards the jet box 54. When the guide plate 520 touches the bottom edge of the jet box 54, the telescopic drive 523 stops driving the piston rod to extend. The first electromagnet 51 or the second electromagnet 52 is de-energized and loses its magnetic force. The iron piece falls downwards from the electromagnet under its own gravity. The guide plate can block the magnet through slot 513, preventing the iron piece from falling into the conveyor belt. When unloading is complete, the telescopic drive 523 drives the piston rod to retract and reset, and the piston rod drives the guide plate to detach from the jet box and reset to the bottom of the iron collector.

[0055] Understandably, the reciprocating stroke of the telescopic drive can be set according to the bottom of the iron collection component.

[0056] In some embodiments, in order to facilitate the control of the rotational positions of the first electromagnet and the second electromagnet, a positioning sensor and a controller are added; the positioning sensor includes a first positioning sensor and a second positioning sensor, each of which limits the rotational position of an electromagnet; the first positioning sensor, the second positioning sensor, the magnet drive, and the electromagnet are all electrically connected to the controller.

[0057] The positioning sensor may include a contact rod 5241 and a trigger seat 5242. The contact rod 5241 is mounted on an insulated magnetic support circular plate and rotates with the insulated magnetic support circular plate. The trigger seat 5242 is mounted on the iron removal bracket 56 via a bracket. The contact rod 5241 is fixed on the insulated magnetic support circular plate. When the cylindrical electromagnet rotates, the contact rod will rotate 360° together with the insulated magnetic support circular plate. The trigger seat 5242 is fixedly mounted on the iron removal bracket 56 of the whole machine via an independent bracket, and its position remains fixed. It is arranged corresponding to the electromagnet unloading station.

[0058] The magnet-driven motor 57 drives the cylindrical electromagnet and the non-magnetic support plate to rotate continuously, and the contact rod 5241 rotates synchronously with the plate. When the first electromagnet 51 rotates to the unloading position where the bottom surface is parallel to the conveyor belt, the contact rod 5241 rotates to contact and match the fixed trigger seat 5242. The positioning sensor generates an arrival signal and transmits it to the equipment control system.

[0059] After receiving the position signal, the control system executes the linkage actions sequentially: 1. Control the magnet drive motor 57 to stop running and lock the electromagnet unloading position; 2. Cut off the power supply to the currently positioned electromagnet (first electromagnet 51) to demagnetize it, while the other electromagnet remains powered on to continue feeding material; 3. The jet box maintains continuous jetting, and the airflow obstructs the iron parts from falling back onto the conveyor belt through the magnetic channel. The iron parts fall to the guide plate for collection by their own weight. After the unloading and purging process is completed, the control system outputs a reset signal, the magnet drives the motor to restart, the contact rod disengages from the trigger seat, and the electromagnet continues to rotate. When the second electromagnet 52 rotates to the unloading position, the contact rod again engages with the trigger seat to trigger the signal, repeating the above unloading control process. This cycle is used to achieve alternating fixed-point unloading of the two electromagnets.

[0060] Understandably, mechanical contact positioning sensors are simple in structure, resistant to dust and iron filings, and provide stable and reliable detection even under harsh conditions such as conveyor belt iron removal. Relying on a magnetically anode support plate to synchronously drive the contact rod, it can accurately and synchronously feedback the real-time rotation angle of the electromagnet, resulting in high unloading positioning accuracy. Upon signal triggering, the entire process—including motor shutdown, electromagnet de-energization, and air jet purging—is highly automated and requires no manual intervention. The split-type installation structure, with the contact rod fixed to the frame along with the rotating end and trigger seat, facilitates easy disassembly and adjustment of the working position, adapting to different conveyor belt heights.

[0061] It should be noted that when the positioning sensor detects that the first or second electromagnet has rotated to the unloading position, the controller controls the magnet drive motor 57 to stop driving the rotation of the non-magnetic support plate, and the first or second electromagnet stops rotating. The controller then controls the air supply component to operate, and the air supply component introduces pressurized gas (such as compressed air) into the air jet box. The gas in the air jet box is ejected outward through the air jet hole. Then, the controller de-energizes the first or second electromagnet, and it loses its magnetic force. The iron piece on the first or second electromagnet falls down under its own gravity and falls onto the guide iron plate. The gas ejected from the air jet hole pushes the iron piece through the guide iron plate into the iron collecting component.

[0062] In some optional embodiments, one structure of the iron collecting component is provided. The iron collecting component includes an anti-magnetic guide plate 512 and a baffle 514. The anti-magnetic guide plate 512 is inclined downward relative to the splicing electromagnet, and first side plates 511 are installed at both ends. The lower end of the anti-magnetic guide plate 512 is connected to one side of the iron unloading trough 517. A second side plate 515 is provided, with each first side plate 511 connected to a second side plate, and the second side plate 515 is fixedly installed in the iron unloading trough 517. The baffle 514 has a high end and a low end. The low end is fixedly installed in the iron unloading trough 517, and the high end is bent and then inclined upward to extend above the top of the first side plate 511. The two sides of the baffle 514 are connected to the corresponding second side plates 515.

[0063] The unloading trough can be installed at an angle, which facilitates the unloading of iron parts that fall into it.

[0064] In some alternative embodiments, one structure of the air supply component is provided. The air supply component includes an air inlet pipe 519 and an air delivery pipe 519. The air inlet pipe 519 is in communication with and sealed to the jet box; the air delivery pipe 519 is fixedly installed on the pipe support 518 and connected to the air inlet pipe 519 via a rotating pipe joint 510.

[0065] An electric valve is installed on the air supply pipe 519, and the electric valve is electrically connected to the controller. Understandably, when the first and second electromagnets rotate to the unloading position, the controller controls the electric valve to open, thereby allowing the air supply pipe to deliver gas through the rotating pipe joint and the air inlet pipe 519 into the jet box. This ensures that the jet box's jet nozzles release gas before the first and second electromagnets are de-energized.

[0066] In some optional embodiments, one structure of the breaking mechanism is provided. The breaking mechanism 4 includes a filter plate 41, a rotating shaft 44, and a breaking drive motor 46. The filter plate 41 is placed laterally on the top surface of the first conveyor 3, with supporting side plates 42 installed at both ends, and is inclined upward relative to the material conveying direction of the first conveyor 3. Multiple filter grooves 411 are provided at intervals along the length direction on the side of the filter plate 41 closest to the first conveyor 3. Multiple rows of breaking rods are installed circumferentially on the rotating shaft 44. Each row of breaking rods includes multiple breaking rods 45 arranged in parallel at intervals. Adjacent rows of breaking rods are staggered. The two ends of the rotating shaft 44 are fixedly installed on the two supporting side plates 42 through bearing seats 43. The breaking drive motor 46 is connected to the rotating shaft 44 in a transmission connection.

[0067] The filter plate 41 is provided with multiple filter tanks 411, which filter the incoming material and trap large pieces. Then, the crushing drive motor 46 drives the rotating shaft to rotate, and the rotating shaft drives multiple crushing rods installed on it to break the trapped large pieces of material, thereby crushing the large pieces of material and preventing iron parts hidden in the large pieces of material from being effectively removed.

[0068] In some optional embodiments, in order to reduce the dust level in the production environment, a first dust extraction pipe 7, a second dust extraction pipe 14, a third dust extraction pipe 19, a feeding hopper 6, and a receiving hopper 20 are also included. The bottom of the feeding hopper 6 is connected to the inlet end of the crusher 8, the top is connected to the first dust extraction pipe 7, and a feeding port is provided on the side. The top of the screening machine 13 is equipped with the second dust extraction pipe 14. The receiving hopper 20 is installed at the top feeding port of the packaging machine 23, and a receiving port is provided on the side of the receiving hopper 20. The third dust extraction pipe 19 is installed at the top of the receiving hopper 20.

[0069] The first dust extraction pipe 7, the second dust extraction pipe 14, and the third dust extraction pipe 19 extract dust, which can effectively reduce dust pollution in the production environment.

[0070] In some alternative embodiments, a third conveyor 15 and a return unloading chute 16 are added. One end of the third conveyor 15 is connected to the return outlet of the screening machine 13, and the other end extends to the return unloading chute 16, which unloads the material conveyed by the third conveyor 15 onto the second conveyor 11.

[0071] The return material unloading trough 16 is located above the second conveyor 11. The trough acts as a guide and buffer. The return material accumulated in the trough falls continuously by its own weight and is unloaded onto the surface of the second conveyor 11 running below, completing the material return cycle.

[0072] After screening by the screening machine, qualified materials are conveyed downwards to the next process; unqualified materials containing impurities or with substandard particle size are discharged from the return outlet and conveyed by the third conveyor to the return unloading chute, and then flowed back to the second conveyor. The second conveyor then feeds the materials back into the front-end iron removal and screening system for secondary sorting, thereby improving the finished product qualification rate and reducing raw material waste.

[0073] The above-described embodiments are preferred embodiments of the present invention and are only used to facilitate the illustration of the present invention. They are not intended to limit the present invention in any way. Any person skilled in the art who makes local modifications or alterations to the technical content disclosed in the present invention without departing from the scope of the technical features of the present invention shall still fall within the scope of the technical features of the present invention.

Claims

1. An organic fertilizer packaging system with iron removal function, characterized in that: include Initial silo (1); The crusher (8) is connected to the initial silo (1) via a first conveyor (3). The first conveyor is equipped with a breaker mechanism (4) and an iron removal mechanism (5) installed at intervals along the material conveying direction. A screening machine (13), the inlet of which is connected to the outlet of a crusher (8) via a second conveyor (11); and The baler (23) is connected to the qualified material outlet of the screening machine (13) via a fourth conveyor (18).

2. The organic fertilizer packaging system with iron removal function according to claim 1, characterized in that: The iron removal mechanism (5) includes The splicing electromagnet consists of two arc-shaped electromagnets, each of which can be independently controlled to be powered on or off, and does not interfere with each other during operation. The jet box (54) is a hollow flat cuboid. Two electromagnets clamp and fix the jet box (54). A magnetic shield (53) is provided between the jet box (54) and the electromagnets. Multiple jet holes (541) are provided on both sides of the jet box (54) along the length direction. Iron collecting components are installed at intervals on both sides of the splicing electromagnet, and when the jet box (54) rotates to be parallel to the direction of the material conveyed by the first conveyor, the jet box (54) is higher than the bottom surface of the iron collecting components; the interval between each iron collecting component and the splicing electromagnet forms a magnetic through groove (513). Magnetic insulating support circular plate (55) is provided at both ends of the splicing electromagnet. Each of the iron removal brackets (55) is rotatably connected to an iron removal bracket. A magnet drive mechanism, wherein the magnet drive mechanism is connected to a magnetically isolated support circular plate (55) for transmission; and An air supply component is connected to and rotatably sealed with the jet box (54).

3. The organic fertilizer packaging system with iron removal function according to claim 2, characterized in that: It also includes a telescopic guide component, which is installed at the bottom of the iron collecting component. The telescopic guide component includes a movable end of a guide plate, which can extend and retract outward relative to the bottom of the iron collecting component, and the extension and retraction direction is parallel to the bottom of the iron collecting component.

4. The organic fertilizer packaging system with iron removal function according to claim 3, characterized in that: The telescopic guide includes The guide plate (520) has at least two support guide plates (521) installed at intervals on it. Each support guide plate (521) is installed at the bottom of the iron collection component through at least two clamps (522). The support guide plate (521) can move relative to the at least two clamps (522). The telescopic drive component (523) includes a piston rod (5231), which drives the piston rod (5231) to extend and retract; the piston rod (5231) is connected to the guide plate (520) in a transmission manner.

5. The organic fertilizer packaging system with iron removal function according to any one of claims 2-4, characterized in that: It also includes a positioning sensor and a controller; the positioning sensor includes a first positioning sensor and a second positioning sensor, each of which limits the rotational position of an electromagnet; the first positioning sensor, the second positioning sensor, the magnet drive, and the electromagnet are all electrically connected to the controller.

6. The organic fertilizer packaging system with iron removal function according to claim 2, characterized in that: The iron collection component includes The magnetically insulating material guide plate (512) is inclined downward relative to the splicing electromagnet, and first side plates (511) are installed at both ends. The lower end of the magnetically insulating material guide plate (512) is connected to one side of the unloading trough (517). The second side plate (515) is connected to each of the first side plates (511), and the second side plate (515) is fixedly installed in the unloading trough (517); and The baffle (514) has a high end and a low end. The low end is fixedly installed in the unloading trough (517). The high end is bent and then extends upwards at an angle, exceeding the top of the first side plate (511). The two sides of the baffle (514) are connected to the corresponding second side plate (515).

7. The organic fertilizer packaging system with iron removal function according to claim 2, characterized in that: The gas supply component includes The intake pipe (519) is connected to the jet box in a sealed and fixed manner; and The air supply pipe (519) is fixedly installed on the pipe support (518) and connected to the air inlet pipe (519) through a rotating pipe joint (510).

8. The organic fertilizer packaging system with iron removal function according to claim 1, characterized in that: The fragment breaking mechanism (4) includes The filter plate (41) is placed horizontally on the top surface of the first conveyor (3), with supporting side plates (42) installed at both ends, and is inclined upward relative to the material conveying direction of the first conveyor (3). Multiple filter grooves (411) are provided at intervals along the length direction on the side of the filter plate (41) close to the first conveyor (3). A rotating shaft (44) has multiple rows of breaking rods installed circumferentially on it. Each row of breaking rods includes multiple parallel breaking rods (45) arranged at intervals. Adjacent rows of breaking rods are staggered. Both ends of the rotating shaft (44) are fixedly mounted on two supporting side plates (42) via bearing seats (43). The block-breaking drive motor (46) is connected to the rotating shaft (44) for transmission.

9. The organic fertilizer packaging system with iron removal function according to claim 1, characterized in that: It also includes a first dust extraction pipe (7), a second dust extraction pipe (14), a third dust extraction pipe (19), a feed hopper (6), and a receiving hopper (20). The bottom of the feed hopper (6) is connected to the inlet end of the crusher (8), the top is connected to the first dust extraction pipe (7), and the side is provided with a feed hopper port. The top of the screening machine (13) is equipped with a second dust extraction pipe (14). The receiving hopper (20) is installed at the top feed port of the baler (23), and the side of the receiving hopper (20) is provided with a receiving port. The third dust extraction pipe (19) is installed at the top of the receiving hopper (20).

10. The organic fertilizer packaging system with iron removal function according to claim 1, characterized in that: It also includes a third conveyor (15) and a return unloading chute (16). One end of the third conveyor (15) is connected to the return outlet of the screening machine (13), and the other end extends to the return unloading chute (16). The return unloading chute (16) unloads the material conveyed by the third conveyor (15) onto the second conveyor (11).

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