Fodder transport vehicle with multi-bin metering function and balanced unloading system thereof

Abstract

The fodder transport vehicle with the multi-bin metering function comprises a transport vehicle body, a buffer supporting bottom plate is fixedly installed on the transport vehicle body, a transport compartment is fixedly installed on the top face of the buffer supporting bottom plate, a discharging opening is formed in the bottom face of the rear end of the transport compartment, and a feeding bin is arranged on the top face of the transport compartment; and an automatic frame is arranged on the top surface of the transportation compartment. According to the feed transport vehicle with the multi-bin metering function and the balanced unloading system of the feed transport vehicle with the multi-bin metering function, after the unloading plates move to the corresponding unloading positioning points, unlocking and locking work is conducted, it is avoided that in the unloading process, translation work of other unloading plates is affected, meanwhile, storage work can be conducted on the unloading plates after unloading, movement is avoided, and the unloading efficiency is improved. Different bin positions can be arranged in the transport carriage by adjusting the unloading plate between the bin separation points and the unloading positioning points.

Description

Technical Field

[0001] The present invention relates to the technical field of feed transportation, and particularly to a feed transport vehicle with a multi-bin metering function and its balanced discharging system. Background Art

[0002] Feed transportation refers to the process of transporting the produced feed from the production plant or warehouse to the usage location. During the transportation of the feed, a feed transport vehicle is required. After transporting the feed to the usage location, the feed inside the transport vehicle needs to be discharged, so as to unload the feed to a suitable area for subsequent operations.

[0003] Comparative document: A feed transport vehicle, publication number: CN112406669B. In the present invention, the first hydraulic telescopic rod is controlled to work by the control device in the vehicle head, so that the ends of the semi-connecting bridge far from the vehicle head move away from each other, and then the semi-connecting bridge presents a V shape, so as to quickly discharge the bulk materials in the storage box.

[0004] Comparative document: A bulk feed semi-trailer transport vehicle, publication number: CN101554855B. The two-way intermediate support mechanism is as follows: the front and rear auger shafts are respectively arranged in the same sleeve through bearings; it also has a lifting mechanism for the auger cylinder body of the movable discharging system and a corner mechanism. The corner mechanism drives the vertical discharging system and the movable discharging system to rotate left and right. Its tractor head and vehicle body can be separated, improving the utilization rate of the tractor head, having the characteristics of saving packaging and transportation costs, reducing labor costs, reducing feed pollution, and being convenient to use.

[0005] By adjusting the angle of the feed transport box, the internal feed is quickly discharged. During the transportation of the internal feed, it is easy to be pressed and adhered to the inner wall of the box, resulting in the inability to discharge. Subsequent auxiliary operations are required. At the same time, the whole can only transport a single type of feed and cannot transport feeds in multiple bins. During the discharging process, it is impossible to maintain uniformity as needed and cannot accurately work efficiently in multiple areas. When discharging by air, the effect on wet or easily caking feeds is not good. The complex pipeline system is easy to adhere to feeds at the inner wall dead corners, and it is easy to produce a mixing phenomenon when discharging multiple groups of different feeds. Therefore, we also propose a feed transport vehicle with a multi-bin metering function and its balanced discharging system. Summary of the Invention

[0006] The purpose of the present invention is to provide a feed transport vehicle with a multi-bin metering function and its balanced discharging system, so as to solve the problems in the above-mentioned situation. For the feed transport vehicle with a multi-bin metering function and its balanced discharging system in the current market, the angle of the feed transport box is adjusted to quickly discharge the feed inside. During the transportation of the internal feed, it is easy to be pressed and adhered to the inner wall of the box, resulting in the inability to discharge the feed, and subsequent auxiliary operations are required. At the same time, the whole can only transport a single type of feed and cannot transport feeds in multiple bins. During the discharging process, it is impossible to maintain uniformity as needed and cannot perform balanced and efficient work accurately in multiple areas.

[0007] To achieve the above purpose, the present invention provides the following technical solutions: A feed transport vehicle with a multi-bin metering function, including a transport vehicle body. A buffer support bottom plate is fixedly installed on the vehicle body of the transport vehicle body, and a transport carriage is fixedly installed on the top surface of the buffer support bottom plate. A discharge port is opened at the bottom surface of the rear end of the transport carriage, and a feed bin is arranged on the top surface of the transport carriage. An automated framework is arranged on the top surface of the transport carriage, and an electric telescopic rod is installed above the automated framework. A sensor and a stepping motor are installed on the automated framework. A discharge plate is installed inside the transport carriage. A driving lead screw is installed at the center of the inner part of the automated framework through a bearing, and the driving lead screw penetrates through the front frame of the automated framework. A first bevel gear is fixedly installed at the front end of the driving lead screw, and a second bevel gear is meshed and installed on the outside of the first bevel gear. A servo motor is fixedly installed at the center of the bottom end of the second bevel gear, and the servo motor is fixedly installed on the outer surface of the front end of the transport carriage. A protection framework is covered and installed on the outside of the automated framework, and the protection framework is bolted and fixed to the top surface of the transport carriage, and a storage bin is arranged at the rear end of the protection framework.

[0008] Preferably, the discharge plates are evenly distributed at equal intervals inside the transport carriage, and the connection mode between the discharge plate and the transport carriage is sealed sliding. Reinforcement plates are symmetrically arranged at equal intervals on the outer side of the frame of the transport carriage, and the feed bins are evenly distributed at equal intervals on the top surface of the transport carriage. Moreover, the transport carriage and the automated framework are integrally structured.

[0009] Preferably, the automated framework includes a sensor, a stepping motor, a rotating shaft, a first magnetic block, and a second magnetic block. The sensor is fixedly installed by inlaying on the inner side of the frame of the automated framework, and the stepping motor is fixedly installed on the top surface of the automated framework. A rotating shaft is fixedly installed at the output end of the stepping motor, and a first magnetic block is fixedly installed by inlaying on the top surface of the end of the rotating shaft, and a second magnetic block is fixedly installed by inlaying on the bottom surface of the end of the rotating shaft. The magnetic pole of the first magnetic block is the north pole, and the magnetic pole of the second magnetic block is the south pole.

[0010] Preferably, two sets of the sensors are provided, and each set has 5 sensors. One set of the sensors is equally spaced on the automation frame, and the other set of the sensors is arranged side by side inside the rear border of the automation frame. The stepper motors, rotating shafts, first magnetic blocks and second magnetic blocks are equally spaced on the automation frame.

[0011] Preferably, the electric telescopic rod includes an adjusting mounting plate, an adjusting magnetic plate and a mounting frame. The adjusting mounting plate is fixedly installed at the rear end of the electric telescopic rod, and the adjusting magnetic plate is inlaid and fixedly installed on the bottom surface of the adjusting mounting plate, and the bottom magnetic pole of the adjusting magnetic plate is the south pole. The mounting frame is fixedly installed at the front end of the electric telescopic rod, and the mounting frame is fixedly installed on the top surface of the border of the automation frame. The length, width and height of the adjusting mounting plate are smaller than the length, width and height inside the storage bin.

[0012] Preferably, the discharging plate includes a combined plate, a receiving ring groove, a locking groove, a sleeve nut, a ball, a mounting square block, a supporting spring and a locking magnetic block. The combined plate is arranged on the top surface of the discharging plate, and the combined plate is located inside the automation frame. The receiving ring groove and the locking groove are arranged inside the combined plate, and the locking groove is located above the receiving ring groove. A sleeve nut is installed at the center of the combined plate, and the sleeve nut is connected with the combined plate through the ball. The outer curved surface of the sleeve nut is provided with a mounting square block, and the mounting square block is located inside the receiving ring groove. The supporting spring and the locking magnetic block are installed inside the mounting square block, and the locking magnetic block is located above the supporting spring. The sleeve nut is connected through the driving lead screw.

[0013] Preferably, the combined plate and the discharging plate are integrally structured, and the combined plate and the discharging plate have the same thickness. The connection mode of the combined plate and the automation frame is a sliding connection. The connection mode of the combined plate and the sleeve nut through the ball is a rotational connection. The connection mode of the sleeve nut and the driving lead screw is a ball screw connection. The end face of the sleeve nut is flush with the outer surface of the combined plate. The sleeve nut and the mounting square block are integrally structured. The rotating outer diameter of the mounting square block is smaller than the diameter of the receiving ring groove. The locking magnetic block forms a telescopic structure with the mounting square block through the supporting spring. The connection mode of the locking magnetic block and the locking groove is a snap connection. The top magnetic pole of the locking magnetic block is the south pole. When the locking magnetic block is engaged with the locking groove, it is in the locking mode. When the locking magnetic block is separated from the locking groove, it is in the unlocking mode.

[0014] Preferably, the servo motor and the driving lead screw form a linkage structure through the second bevel gear and the first bevel gear. The connection mode of the driving lead screw and the automation frame is a rotational connection. The sliding distance of the combined plate inside the automation frame is a positive integer multiple of the thickness of the combined plate. The translation distance of the combined plate when the driving lead screw rotates one circle is equal to the thickness of the combined plate.

[0015] Another technical solution provided by the present invention is an equilibrium discharging system for a feed transport vehicle with a multi-bin metering function, and the equilibrium discharging system is described as follows:

[0016] The sensor, stepper motor, electric telescopic rod, discharge plate and servo motor constitute a control system. One group of the sensors is divided into sensors (A1, A2, A3, A4, A5), and the other group of the sensors is divided into sensors (B1, B2, B3, B4, B5). The sensors (A1, A2, A3, A4, A5) are divided into bin isolation points, and the sensors (B1, B2, B3, B4, B5) are divided into discharge positioning points;

[0017] There are 5 stepper motors, which are divided into stepper motors (S1, S2, S3, S4, S5). The distribution of the stepper motors (S1, S2, S3, S4, S5) is aligned with the sensors (A1, A2, A3, A4, A5). The stepper motors (S1, S2, S3, S4, S5) control the unlocking and locking modes. The normal mode of the stepper motors (S1, S2, S3, S4, S5) is the unlocking mode, and it becomes the locking mode after rotating 180°;

[0018] The electric telescopic rod is provided with 6 gears according to different telescopic lengths, namely the first gear, the second gear, the third gear, the fourth gear, the fifth gear and the sixth gear;

[0019] There are 5 discharge plates, which are divided into discharge plates (D1, D2, D3, D4, D5) for bin storage or pushing discharge work;

[0020] The servo motor controls the driving screw rod to rotate. When the servo motor controls the driving screw rod to rotate one circle, the moving distance of the discharge plate is the thickness of the discharge plate. The moving range of the discharge plate is a positive integer of the thickness of the discharge plate. The servo motor controls the discharge plate to enter the adjustment mode;

[0021] The position of the discharge plate D1 is divided into: the initial position and the discharge position;

[0022] When in the initial position, the discharge plate D1 is located below the sensor A1, and the stepper motor S1 is in the unlocking mode; when it needs to move to the discharge position, the stepper motor S1 runs to the locking mode, the discharge plate D1 enters the adjustment mode and moves below the sensor B1, and the electric telescopic rod runs to the first gear, and the discharge plate D1 is in the unlocked state; when the electric telescopic rod is in the second to sixth gears, the discharge plate D1 remains in the locked state;

[0023] The position of the discharge plate D2 is divided into: the initial position, the bin position and the discharge position;

[0024] When in the initial position, the discharge plate D2 is located below the sensor A2, and the stepper motor S2 is in the unlocked mode; when it is necessary to translate to the bin separation position, the stepper motor S2 operates to the locked mode, and the discharge plate D2 moves in the adjustment mode to be below one of the sensors A3, A4, and A5; when bin separation is required, the stepper motors S3, S4, and S5 corresponding to the sensors A3, A4, and A5 remain in the normal unlocked mode, and the other two operate in advance to the locked mode, and the discharge plate D2 moves to the bin separation position for positioning; when it is necessary to move to the discharge position, the stepper motors S3, S4, and S5 operate in advance to the locked mode, the discharge plate D2 continues to move in the adjustment mode, the discharge plate D2 moves below the sensor B2, the electric telescopic rod operates to the second gear, and the discharge plate D2 is in the unlocked state; when the electric telescopic rod is in the third to sixth gears, the discharge plate D2 remains in the locked state;

[0025] The positions of the discharge plate D3 are divided into: initial position, bin separation position, and discharge position;

[0026] When in the initial position, the discharge plate D3 is located below the sensor A3, and the stepper motor S3 is in the unlocked mode; when it is necessary to translate to the bin separation position, the stepper motor S3 operates to the locked mode, and the discharge plate D3 moves in the adjustment mode to be below one of the sensors A4 and A5; when bin separation is required, the stepper motors S4 and S5 corresponding to the sensors A4 and A5 remain in the normal unlocked mode, and the other one operates in advance to the locked mode, and the discharge plate D3 moves to the bin separation position for positioning; when it is necessary to move to the discharge position, the stepper motors S4 and S5 operate in advance to the locked mode, the discharge plate D3 continues to move in the adjustment mode, the discharge plate D3 moves below the sensor B3, the electric telescopic rod operates to the third gear, and the discharge plate D3 is in the unlocked state; when the electric telescopic rod is in the fourth to sixth gears, the discharge plate D3 remains in the locked state;

[0027] The positions of the discharge plate D4 are divided into: initial position, bin separation position, and discharge position;

[0028] When in the initial position, the discharge plate D4 is located below the sensor A4, and the stepper motor S4 is in the unlocked mode; when it is necessary to translate to the bin separation position, the stepper motor S4 operates to the locked mode, and the discharge plate D4 moves in the adjustment mode to be below the sensor A5; when bin separation is required, the stepper motor S5 remains in the normal unlocked mode, and the discharge plate D4 moves to the bin separation position for positioning; when it is necessary to move to the discharge position, the stepper motor S5 operates in advance to the locked mode, the discharge plate D4 continues to move in the adjustment mode, the discharge plate D4 moves below the sensor B4, the electric telescopic rod operates to the fourth gear, and the discharge plate D4 is in the unlocked state; when the electric telescopic rod is in the fifth to sixth gears, the discharge plate D4 remains in the locked state;

[0029] The positions of the discharge plate D5 are divided into: initial position and discharge position;

[0030] When in the initial position, the discharge plate D5 is located below the sensor A5, and the stepper motor S5 is in the unlocked mode; when it is necessary to move to the discharge position, the stepper motor S5 operates to the locked mode, the discharge plate D5 moves in the adjustment mode to below the sensor B5, the electric telescopic rod operates to the fifth gear, and the discharge plate D5 enters the unlocked state; when the electric telescopic rod is in the sixth gear, the discharge plate D5 remains in the locked state.

[0031] Compared with the prior art, the beneficial effects of the present invention are: the feed transport vehicle with a multi-bin metering function and its balanced discharge system;

[0032] 1. The discharge plate and the combined plate operate through the connection of the sleeve nut and the driving lead screw. The operation mode is divided into two types. One is that the locking magnet engages with the locking groove, which can lock the sleeve nut and the mounting block with the combined plate. During the rotation of the driving lead screw, it can drive the combined plate and the discharge plate to perform translational movement. The other is that the locking magnet is separated from the locking groove. During the rotation of the driving lead screw, it can drive the sleeve nut to rotate on the combined plate through the ball, avoiding the movement of the combined plate and the discharge plate, keeping the position unchanged, and performing the adjustment work of the two modes of locking and unlocking, achieving the operation of bin separation and discharging.

[0033] 2. The locking magnet can maintain an upward force through the elastic force of the support spring. When the locking magnet is aligned with the locking groove, the locking magnet can slide into the locking groove to engage and perform the locking work. The whole is automated, which is beneficial for subsequent translational work. At the same time, according to the second magnet set at different external positions and the adjustment magnet plate on the adjustment mounting plate, the repulsive force generated after alignment can push the locking magnet to contract and separate from the locking groove, and the generated repulsive force is greater than the elastic force coefficient of the support spring's expansion and contraction;

[0034] 3. After the discharge plate moves to the corresponding discharge positioning point, it performs the unlocking and locking work, avoiding affecting the translational work of other discharge plates during the discharging process. At the same time, it can perform the storage work of the discharge plate after discharging to avoid movement. By adjusting the discharge plate between the bin separation point and the discharge positioning point, different bins can be set inside the transport carriage, and the storage space for the feed in the bins can be adjusted in size, which is beneficial for the separate transportation of various different feeds and the transformation of the bin volume through mutual combination. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic right view structure diagram of the whole of the present invention;

[0036] Figure 2 It is a schematic right view sectional structure diagram of the transport carriage and the automation frame of the present invention;

[0037] Figure 3 It is a schematic perspective structure diagram of the bottom view angle of the transport carriage of the present invention;

[0038] Figure 4 Schematic three-dimensional structure diagram of the separation of the transportation carriage and the protection frame of the present invention;

[0039] Figure 5 For the present invention Figure 4 Enlarged structure diagram at position A in the present invention;

[0040] Figure 6 Schematic three-dimensional structure diagram of adjusting the elevation angle of the mounting plate of the present invention;

[0041] Figure 7 Schematic three-dimensional structure diagram of the stepping motor of the present invention;

[0042] Figure 8 Schematic three-dimensional structure diagram of the discharge plate and the driving lead screw of the present invention;

[0043] Figure 9 Schematic three-dimensional structure diagram of the internal combination of the combined plate of the present invention;

[0044] Figure 10 Schematic three-dimensional structure diagram of the cross-section of the sleeve nut of the present invention;

[0045] Figure 11 Schematic three-dimensional structure diagram of the cross-section of the combined plate of the present invention;

[0046] Figure 12 Schematic diagram of the D1 mode of the discharge plate of the present invention;

[0047] Figure 13 Schematic diagram of the D2 mode of the discharge plate of the present invention;

[0048] Figure 14 Schematic diagram of the D3 mode of the discharge plate of the present invention;

[0049] Figure 15 Schematic diagram of the D4 mode of the discharge plate of the present invention;

[0050] Figure 16 Schematic diagram of the D5 mode of the discharge plate of the present invention.

[0051] In the figure: 1, transportation vehicle body; 2, buffer support bottom plate; 3, transportation carriage; 4, discharge port; 5, feed bin; 6, automation frame; 61, sensor; 62, stepping motor; 63, rotating shaft; 64, first magnet; 65, second magnet; 7, electric telescopic rod; 71, adjusting mounting plate; 72, adjusting magnetic plate; 73, mounting frame; 8, discharge plate; 81, combined plate; 82, receiving ring groove; 83, locking groove; 84, sleeve nut; 85, ball; 86, mounting block; 87, support spring; 88, locking magnet; 9, driving lead screw; 10, first bevel gear; 11, second bevel gear; 12, servo motor; 13, protection frame; 14, receiving bin. Detailed implementation manners

[0052] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0053] Please refer to Figures 1-16 , the present invention provides a technical solution: a feed transport vehicle with a multi-bin metering function, including a transport vehicle body 1, a buffer support bottom plate 2 is fixedly installed on the vehicle body of the transport vehicle body 1, and a transport carriage 3 is fixedly installed on the top surface of the buffer support bottom plate 2. A discharge port 4 is opened at the bottom surface of the rear end of the transport carriage 3, and a feed bin 5 is arranged on the top surface of the transport carriage 3. An automated frame 6 is arranged on the top surface of the transport carriage 3, and an electric telescopic rod 7 is installed above the automated frame 6. A sensor 61 and a stepping motor 62 are installed on the automated frame 6. A discharge plate 8 is installed inside the transport carriage 3. A driving lead screw 9 is installed at the center of the inner bearing of the automated frame 6, and the driving lead screw 9 penetrates through the front frame of the automated frame 6. A first bevel gear 10 is fixedly installed at the front end of the driving lead screw 9, and a second bevel gear 11 is meshed and installed outside the first bevel gear 10. A servo motor 12 is fixedly installed at the center of the bottom end of the second bevel gear 11, and the servo motor 12 is fixedly installed on the outer surface of the front end of the transport carriage 3. A protection frame 13 is covered and installed outside the automated frame 6, and the protection frame 13 is bolted and fixed to the top surface of the transport carriage 3, and a storage bin 14 is arranged at the rear end of the protection frame 13.

[0054] The discharge plates 8 are evenly distributed inside the transport carriage 3, and the connection mode between the discharge plates 8 and the transport carriage 3 is sealed sliding. Reinforcing plates are symmetrically arranged at equal intervals on the outer side of the frame of the transport carriage 3, and the feed bins 5 are evenly distributed on the top surface of the transport carriage 3. Moreover, the transport carriage 3 and the automated frame 6 are integrally structured, which enables the discharge plates 8 to perform bin separation work inside the transport carriage 3, and the discharge plates 8 can completely push out the feed inside the transport carriage 3 for discharging work, avoiding residue.

[0055] The automated framework 6 includes a sensor 61, a stepper motor 62, a rotating shaft 63, a first magnetic block 64, and a second magnetic block 65. The sensor 61 is fixedly installed by inlaying on the inner side of the frame of the automated framework 6. And the stepper motor 62 is fixedly installed on the top surface of the automated framework 6. The output end of the stepper motor 62 is fixedly installed with the rotating shaft 63. And the top surface of the end of the rotating shaft 63 is fixedly installed with the first magnetic block 64 by inlaying. And the bottom surface of the end of the rotating shaft 63 is fixedly installed with the second magnetic block 65 by inlaying. The magnetic pole of the first magnetic block 64 is the north pole, and the magnetic pole of the second magnetic block 65 is the south pole. According to the magnetic pole settings of the first magnetic block 64 and the second magnetic block 65, subsequent 180° rotation can be achieved to switch between the unlocking and locking modes.

[0056] There are two groups of sensors 61, and each group has 5 sensors 61. One group of sensors 61 is evenly distributed on the automated framework 6, and the other group of sensors 61 is arranged side by side on the inner side of the rear frame of the automated framework 6. The stepper motor 62, the rotating shaft 63, the first magnetic block 64, and the second magnetic block 65 are evenly distributed on the automated framework 6. According to the distribution of the sensors 61 and the stepper motor 62, it is beneficial to adjust different positions subsequently, so as to achieve balanced discharging and the adjustment of the internal positions of the transportation carriage 3.

[0057] The electric telescopic rod 7 includes an adjusting mounting plate 71, an adjusting magnetic plate 72, and a mounting frame 73. The adjusting mounting plate 71 is fixedly installed at the rear end of the electric telescopic rod 7. And the adjusting magnetic plate 72 is fixedly installed by inlaying on the bottom surface of the adjusting mounting plate 71. And the magnetic pole of the bottom surface of the adjusting magnetic plate 72 is the south pole. The mounting frame 73 is fixedly installed at the front end of the electric telescopic rod 7. And the mounting frame 73 is fixedly installed on the top surface of the frame of the automated framework 6. The length, width, and height of the adjusting mounting plate 71 are smaller than the length, width, and height inside the storage bin 14. According to the storage bin 14, the movement of the adjusting mounting plate 71 can be stored to avoid collisions and reduce the overall volume of the protection frame 13 at the same time.

[0058] The unloading plate 8 includes a combination plate 81, a receiving ring groove 82, a locking groove 83, a sleeve nut 84, a ball 85, a mounting block 86, a support spring 87 and a locking magnetic block 88. The top surface of the unloading plate 8 is provided with a combination plate 81, and the combination plate 81 is located inside the automation frame 6. The interior of the combination plate 81 is provided with a receiving ring groove 82 and a locking groove 83, and the locking groove 83 is located above the receiving ring groove 82. A sleeve nut 84 is installed at the center of the combination plate 81, and the sleeve nut 84 is connected to the combination plate 81 through the ball 85. The plates 81 are connected to each other, and a mounting block 86 is provided on the outer side of the curved surface of the sleeve nut 84, and the mounting block 86 is located inside the receiving ring groove 82, and a supporting spring 87 and a locking magnet 88 are installed inside the mounting block 86, and the locking magnet 88 is located above the supporting spring 87. The sleeve nut 84 is connected through the driving screw 9, and the combination of the unloading plate 8 is conducive to the subsequent switching of the unlocking and locking modes, so that the driving screw 9 drives the unloading plate 8 to move or maintain the position unchanged.

[0059] The combination plate 81 and the discharge plate 8 are integrated structures, and the thickness of the combination plate 81 and the discharge plate 8 is the same, and the connection mode of the combination plate 81 and the automation frame 6 is a sliding connection, the connection mode of the combination plate 81 and the sleeve nut 84 through the ball 85 is a rotation connection, and the connection mode of the sleeve nut 84 and the driving screw 9 is a ball screw connection, and the end surface of the sleeve nut 84 is flush with the outer surface of the combination plate 81, the sleeve nut 84 and the installation block 86 are integrated structures, and the rotation outer diameter of the installation block 86 is smaller than the receiving ring groove 82. diameter, the locking magnet 88 forms a telescopic structure with the mounting block 86 through the supporting spring 87, and the locking magnet 88 is connected to the locking groove 83 in a snap-fit connection, and the top magnetic pole of the locking magnet 88 is the south pole, the locking magnet 88 and the locking groove 83 are snap-fitted into a locking mode, and the locking magnet 88 and the locking groove 83 are separated into an unlocking mode, and the mode can be switched according to the position adjustment of the locking magnet 88, and subsequently the locking magnet 88 can be automatically contracted according to the external magnetic repulsion, and the adjustment mode can be set automatically.

[0060] The servo motor 12 forms a linkage structure with the driving screw 9 through the second bevel gear 11 and the first bevel gear 10, and the connection mode of the driving screw 9 and the automation frame 6 is a rotational connection. The sliding distance of the combination plate 81 in the automation frame 6 is a positive integer of the thickness of the combination plate 81. The distance of translation of the combination plate 81 when the driving screw 9 rotates one circle is equal to the thickness of the combination plate 81, which is conducive to the driving screw 9 to rotate and drive the combination plate 81 and the unloading plate 8 to move. At the same time, the driving screw 9 rotates one circle to drive the moving distance of the combination plate 81 and the unloading plate 8 and the moving distance of the combination plate 81 are positive integers, thereby maintaining the accuracy of the rotation process of the driving screw 9 and the accuracy of the movement of the unloading plate 8 and the combination plate 81, which is conducive to the subsequent precise adjustment of the unlocking and locking modes to avoid misalignment and inability to align.

[0061] In order to better demonstrate the balanced unloading system of a feed transport vehicle with a multi-bin metering function, in this embodiment, the balanced unloading system of the feed transport vehicle with a multi-bin metering function is represented as follows:

[0062] A control system is composed of a sensor 61, a stepping motor 62, an electric telescopic rod 7, a discharge plate 8, and a servo motor 12. One group of the sensor 61 is divided into sensors (A1, A2, A3, A4, A5), and the other group of the sensor 61 is divided into sensors (B1, B2, B3, B4, B5). The sensors (A1, A2, A3, A4, A5) are divided into bin isolation points, and the sensors (B1, B2, B3, B4, B5) are divided into discharge positioning points;

[0063] There are 5 stepping motors 62, which are divided into stepping motors (S1, S2, S3, S4, S5). The distribution of the stepping motors (S1, S2, S3, S4, S5) is aligned with the sensors (A1, A2, A3, A4, A5). The stepping motors (S1, S2, S3, S4, S5) control the unlocking and locking modes. The normal mode of the stepping motors (S1, S2, S3, S4, S5) is the unlocking mode, and after rotating 180°, it is the locking mode;

[0064] The electric telescopic rod 7 is provided with 6 gears according to different telescopic lengths, namely the first gear, the second gear, the third gear, the fourth gear, the fifth gear, and the sixth gear;

[0065] There are 5 discharge plates 8, which are divided into discharge plates (D1, D2, D3, D4, D5) for bin storage or pushing for discharge work;

[0066] The servo motor 12 controls the driving screw rod 9 to rotate. When the servo motor 12 controls the driving screw rod 9 to rotate one circle, the moving distance of the discharge plate 8 is the thickness of the discharge plate 8. The moving range of the discharge plate 8 is a positive integer of the thickness of the discharge plate 8. The servo motor 12 controls the discharge plate 8 to enter the adjustment mode;

[0067] The position of the discharge plate D1 is divided into: the initial position and the discharge position;

[0068] When in the initial position, the discharge plate D1 is located below the sensor A1, and the stepping motor S1 is in the unlocking mode; when it needs to move to the discharge position, the stepping motor S1 runs to the locking mode, the discharge plate D1 enters the adjustment mode and moves to below the sensor B1, and the electric telescopic rod 7 runs to the first gear, and the discharge plate D1 is in the unlocked state; when the electric telescopic rod 7 is in the second to sixth gears, the discharge plate D1 remains in the locked state;

[0069] The position of the discharge plate D2 is divided into: the initial position, the bin position, and the discharge position;

[0070] When in the initial position, the discharge plate D2 is located below the sensor A2, and the stepper motor S2 is in the unlocked mode; when it is necessary to translate to the bin-dividing position, the stepper motor S2 runs to the locked mode, and the discharge plate D2 moves in the adjustment mode to be below one of the sensors A3, A4, and A5; when bin-dividing is required, the stepper motors S3, S4, and S5 corresponding to the sensors A3, A4, and A5 remain in the normal unlocked mode, and the other two run to the locked mode in advance, and the discharge plate D2 moves to the bin-dividing position for positioning; when it is necessary to move to the discharging position, the stepper motors S3, S4, and S5 run to the locked mode in advance, the discharge plate D2 continues to move in the adjustment mode, the discharge plate D2 moves below the sensor B2, the electric telescopic rod 7 runs to the second gear, and the discharge plate D2 is in the unlocked state; when the electric telescopic rod 7 is in the third to sixth gears, the discharge plate D2 remains in the locked state;

[0071] The positions of the discharge plate D3 are divided into: the initial position, the bin-dividing position, and the discharging position;

[0072] When in the initial position, the discharge plate D3 is located below the sensor A3, and the stepper motor S3 is in the unlocked mode; when it is necessary to translate to the bin-dividing position, the stepper motor S3 runs to the locked mode, and the discharge plate D3 moves in the adjustment mode to be below one of the sensors A4 and A5; when bin-dividing is required, the stepper motors S4 and S5 corresponding to the sensors A4 and A5 remain in the normal unlocked mode, and the other one runs to the locked mode in advance, and the discharge plate D3 moves to the bin-dividing position for positioning; when it is necessary to move to the discharging position, the stepper motors S4 and S5 run to the locked mode in advance, the discharge plate D3 continues to move in the adjustment mode, the discharge plate D3 moves below the sensor B3, the electric telescopic rod 7 runs to the third gear, and the discharge plate D3 is in the unlocked state; when the electric telescopic rod 7 is in the fourth to sixth gears, the discharge plate D3 remains in the locked state;

[0073] The positions of the discharge plate D4 are divided into: the initial position, the bin-dividing position, and the discharging position;

[0074] When in the initial position, the discharge plate D4 is located below the sensor A4, and the stepper motor S4 is in the unlocked mode; when it is necessary to translate to the bin-dividing position, the stepper motor S4 runs to the locked mode, and the discharge plate D4 moves in the adjustment mode to be below the sensor A5; when bin-dividing is required, the stepper motor S5 remains in the normal unlocked mode, and the discharge plate D4 moves to the bin-dividing position for positioning; when it is necessary to move to the discharging position, the stepper motor S5 runs to the locked mode in advance, the discharge plate D4 continues to move in the adjustment mode, the discharge plate D4 moves below the sensor B4, the electric telescopic rod 7 runs to the fourth gear, and the discharge plate D4 is in the unlocked state; when the electric telescopic rod 7 is in the fifth to sixth gears, the discharge plate D4 remains in the locked state;

[0075] The positions of the discharge plate D5 are divided into: the initial position and the discharging position;

[0076] When in the initial position, the discharge plate D5 is located below the sensor A5, and the stepping motor S5 is in the unlocking mode; when it is necessary to move to the discharge position, the stepping motor S5 operates to the locking mode, the discharge plate D5 moves to below the sensor B5 in the adjustment mode, the electric telescopic rod 7 operates to the fifth gear, and the discharge plate D5 is in the unlocked state; when the electric telescopic rod 7 is in the sixth gear, the discharge plate D5 remains in the locked state.

[0077] The working principle of this embodiment: According to Figures 1-16First, the sensor 61, the stepper motor 62, the electric telescopic rod 7 and the servo motor 12 can be connected to the system terminal wires for data transmission and power supply. Accurate programming and debugging can be performed through the integrated control system, and a redundant system can be set to avoid overall system stagnation. The position mode of the unloading plate 8 is set according to the balanced unloading system. The initial position of the unloading plate 8 corresponds to the stepper motor 62 to maintain four feed storage positions inside the transport carriage 3. According to the system settings, different compartment operations can be set according to the unloading plate D1, D2, D3, D4 and D5 modes. For example, the unloading plate D2 moves to the sensor A5 position, and the unloading plates D3, D4 and D5 move to the sensor B3, B4 and B5 positions to maintain a feed storage position inside the transport carriage 3. Feed storage bins can be configured according to the mode change of the unloading plates D1, D2, D3, D4 and D5, so that one to four feed storage bins are formed inside the transport carriage 3. The system is set in advance to form multiple line modes as a whole, so that the change of different bins can be performed with one key operation. In addition, the continuity of the unloading plates D1, D2, D3, D4 and D5 during the unloading and shifting process is set according to the multiple line modes to avoid unlocking when passing through different sensors 61 during the unloading and shifting process. The mode change of the unloading plates D1, D2, D3, D4 and D5 is planned according to the system settings in advance, and the overall bin can be flexibly changed. After the subsequent adjustment is completed, the feed filling work can be carried out inside the transport carriage 3 by opening the feed bin 5. The interior of the transport carriage 3 is divided into compartments by the unloading plate 8, and different types of feed can be stored and transported in compartments. The feed bin 5 is subsequently closed and sealed, and then the transport carriage 3 and the feed can be transported to the place of use by the transport body 1. According to different feeds, batch unloading is carried out at different locations. After the unloading port 4 on the transport carriage 3 is aligned with the unloading point, the unloading control work can be carried out through the balanced unloading system. According to the compartment division process inside the transport carriage 3, the unloading mode can be set in advance, the internal storage bin is opened, and the stepper motor S5 is started to drive the first magnetic block 64 and the second magnetic block 65 on the rotating shaft 63 to rotate 180° and then flip over, with the first magnetic block 64 facing downward, releasing the repulsive force of the locking magnetic block 88 inside the unloading plate D5, and rotating. The suction force is changed to suction force. At the same time, the elastic force of the locking magnetic block 88 pushed by the supporting spring 87 can make the locking magnetic block 88 rise and engage with the locking groove 83, so that the unloading plate D5 is converted from the unlocking mode to the locking mode. The servo motor 12 is started. The servo motor 12 drives the driving screw 9 to rotate on the automation frame 6 through the second bevel gear 11 and the first bevel gear 10. Due to the locking mode, the driving screw 9 can drive the unloading plate D5 to perform unloading movement through the sleeve nut 84. After the unloading plate D5 moves to the sensor B5 point, the sensor B5 controls the electric telescopic rod 7 to drive the adjusting mounting plate 71 and the adjusting magnetic plate 72 to switch the gear. The gear is changed from the sixth gear to the fifth gear, so that the front end of the adjusting magnetic plate 72 moves to the top of the locking magnetic block 88 in the unloading plate D5.Thereby, a repulsive force is generated between the magnetic plate 72 and the locking magnetic block 88, pushing the locking magnetic block 88 to automatically contract. The locking magnetic block 88 pushes the support spring 87 to contract, causing the locking magnetic block 88 to separate from the locking groove 83. The discharge plate D5 is switched from the locking mode to the unlocking mode. During the mechanical rotation of the driving lead screw 9, the sleeve nut 84 can be driven to rotate on the combined plate 81 through the balls 85, avoiding driving the discharge plate D5 to move, which is beneficial to the translational discharging work of the discharge plates (D4, D3, D2, D1). According to the above principle, subsequent to the movement of the discharge plates (D4, D3, D2, D1) and the unlocking work after movement, primary discharging is performed through the discharge plate D4, secondary discharging is performed through the discharge plate D3, tertiary discharging is performed through the discharge plate D2, and quaternary discharging is performed through the discharge plate D1. And according to different discharging points, it can be moved to the next point for discharging midway. Overall, it can perform bin transportation and uniform batch discharging of various feeds, avoiding mixing. At the same time, extrusion and pushing discharging are performed according to the discharge plate 8, avoiding adhesion of feeds to the inner wall. Inside the transport carriage 3, the layout of the discharge plates 8 can be used for the planning of the bin positions, achieving flexible bin position transformation. The sensor 61 can determine the corresponding discharge plate 8 by the depth of the hole grooves provided on the border of the combined plate 81 of the discharge plate 8. The sensor 61 can control the operation of the stepper motor 62 and the electric telescopic rod 7. According to the adjustment of the system and the bin positions, combined settings are made to achieve one-key operation. The sensor 61, the stepper motor 62, the electric telescopic rod 7, and the servo motor 12 are known and existing technologies in the market, and will not be described in detail here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0078] It should also be noted that the term "comprises", "comprising", or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, commodity, or device that comprises a series of elements includes not only those elements but also other elements not expressly listed, or elements that are inherent to such process, method, commodity, or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the existence of additional identical elements in the process, method, commodity, or device that comprises the element.

[0079] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A feed transport vehicle with a multi-bin metering function, comprising a transport vehicle body (1), characterized in that: A buffer support bottom plate (2) is fixedly installed on the vehicle body of the transport vehicle body (1), and a transport carriage (3) is fixedly installed on the top surface of the buffer support bottom plate (2). A discharge port (4) is formed in the bottom surface at the rear end of the transport carriage (3), and a feed bin (5) is arranged on the top surface of the transport carriage (3). An automated frame (6) is arranged on the top surface of the transport carriage (3), and an electric telescopic rod (7) is installed above the automated frame (6). A sensor (61) and a stepping motor (62) are installed on the automated frame (6). A discharge plate (8) is installed inside the transport carriage (3). A driving lead screw (9) is installed at the center of the inner part of the automated frame (6) through a bearing, and the driving lead screw (9) penetrates through the front end frame of the automated frame (6). A first bevel gear (10) is fixedly installed at the front end of the driving lead screw (9), and a second bevel gear (11) is meshed and installed on the outer side of the first bevel gear (10). A servo motor (12) is fixedly installed at the center of the bottom end of the second bevel gear (11), and the servo motor (12) is fixedly installed on the outer surface of the front end of the transport carriage (3). A protection frame (13) is covered and installed on the outer side of the automated frame (6), and the protection frame (13) is bolted and fixed to the top surface of the transport carriage (3), and a storage bin (14) is arranged at the rear end of the protection frame (13).

2. The feed transport vehicle with multi-bin metering function according to claim 1, characterized in that: The discharge plates (8) are evenly distributed at equal intervals inside the transport carriage (3), and the connection mode between the discharge plates (8) and the transport carriage (3) is sealed sliding. Reinforcing plates are symmetrically arranged at equal intervals on the outer side of the frame of the transport carriage (3), the feed bins (5) are evenly distributed at equal intervals on the top surface of the transport carriage (3), and the transport carriage (3) and the automated frame (6) are integrally structured and arranged.

3. The feed transport vehicle with multi-bin metering function according to claim 1, characterized in that: The automated frame (6) includes a sensor (61), a stepping motor (62), a rotating shaft (63), a first magnetic block (64) and a second magnetic block (65). The sensor (61) is inlaid and fixedly installed on the inner side of the frame of the automated frame (6), and the stepping motor (62) is fixedly installed on the top surface of the automated frame (6). A rotating shaft (63) is fixedly installed at the output end of the stepping motor (62), a first magnetic block (64) is inlaid and fixedly installed on the top surface of the end of the rotating shaft (63), and a second magnetic block (65) is inlaid and fixedly installed on the bottom surface of the end of the rotating shaft (63). The magnetic pole of the first magnetic block (64) is the north pole, and the magnetic pole of the second magnetic block (65) is the south pole.

4. The feed transport vehicle with multi-bin metering function according to claim 3, characterized in that: Two groups of the sensors (61) are provided, and each group of the sensors (61) has 5. One group of the sensors (61) is evenly distributed on the automated frame (6), and the other group of the sensors (61) is arranged side by side on the inner side of the rear end frame of the automated frame (6). The stepping motor (62), the rotating shaft (63), the first magnetic block (64) and the second magnetic block (65) are evenly distributed on the automated frame (6).

5. The feed transport vehicle with multi-bin metering function according to claim 1, wherein: The electric telescopic rod (7) includes an adjustment mounting plate (71), an adjustment magnetic plate (72), and a mounting frame (73). The rear end of the electric telescopic rod (7) is fixedly installed with the adjustment mounting plate (71), and the adjustment magnetic plate (72) is inlaid and fixedly installed on the bottom surface of the adjustment mounting plate (71). The bottom magnetic pole of the adjustment magnetic plate (72) is the south pole. The front end of the electric telescopic rod (7) is fixedly installed with the mounting frame (73), and the mounting frame (73) is fixedly installed on the top surface of the frame of the automation frame (6). The length, width, and height of the adjustment mounting plate (71) are smaller than the length, width, and height inside the storage bin (14).

6. The feed transport vehicle with multi-bin metering function according to claim 1, characterized in that: The discharge plate (8) includes a combined plate (81), a storage ring groove (82), a locking groove (83), a sleeve nut (84), a ball (85), a mounting block (86), a support spring (87), and a locking magnet (88). The combined plate (81) is arranged on the top surface of the discharge plate (8), and the combined plate (81) is located inside the automation frame (6). The storage ring groove (82) and the locking groove (83) are arranged inside the combined plate (81), and the locking groove (83) is located above the storage ring groove (82). A sleeve nut (84) is installed at the center of the combined plate (81), and the sleeve nut (84) is connected to the combined plate (81) through the ball (85). The outer curved surface of the sleeve nut (84) is provided with a mounting block (86), and the mounting block (86) is located inside the storage ring groove (82). A support spring (87) and a locking magnet (88) are installed inside the mounting block (86), and the locking magnet (88) is located above the support spring (87). The sleeve nut (84) is connected through the driving lead screw (9).

7. The feed transport vehicle with multi-bin metering function according to claim 6, wherein: The combined plate (81) and the discharge plate (8) are integrally structured, and the combined plate (81) and the discharge plate (8) have the same thickness. The connection mode between the combined plate (81) and the automation frame (6) is a sliding connection. The connection mode between the combined plate (81) and the sleeve nut (84) through the ball (85) is a rotational connection. The connection mode between the sleeve nut (84) and the driving lead screw (9) is a ball screw connection. The end face of the sleeve nut (84) is flush with the outer surface of the combined plate (81). The sleeve nut (84) and the mounting block (86) are integrally structured, and the rotational outer diameter of the mounting block (86) is smaller than the diameter of the storage ring groove (82). The locking magnet (88) and the mounting block (86) form a telescopic structure through the support spring (87). The connection mode between the locking magnet (88) and the locking groove (83) is a snap connection. The top magnetic pole of the locking magnet (88) is the south pole. The locking magnet (88) and the locking groove (83) are snapped into the locking mode, and the locking magnet (88) and the locking groove (83) are separated into the unlocking mode.

8. The feed transport vehicle with multi-warehouse metering function according to claim 6, characterized in that: The servo motor (12) forms a linkage structure with the driving lead screw (9) through the second bevel gear (11) and the first bevel gear (10), and the driving lead screw (9) is rotatably connected to the automation frame (6). The sliding distance of the combined plate (81) within the automation frame (6) is a positive integer multiple of the thickness of the combined plate (81). When the driving lead screw (9) rotates one circle, the translation distance of the combined plate (81) is equal to the thickness of the combined plate (81).

9. The balanced discharging system of the feed transport vehicle with multi-bin metering function according to claim 1, characterized in that: The balanced unloading system is shown as follows: The sensor (61), stepper motor (62), electric telescopic rod (7), unloading plate (8) and servo motor (12) form a control system. One group of the sensor (61) is divided into sensors (A1, A2, A3, A4, A5), and the other group of the sensor (61) is divided into sensors (B1, B2, B3, B4, B5). The positions of the sensors (A1, A2, A3, A4, A5) are the bin isolation points, and the positions of the sensors (B1, B2, B3, B4, B5) are the unloading positioning points; There are 5 stepper motors (62), which are divided into stepper motors (S1, S2, S3, S4, S5). The distribution of the stepper motors (S1, S2, S3, S4, S5) is aligned with the sensors (A1, A2, A3, A4, A5). The stepper motors (S1, S2, S3, S4, S5) control the unlocking and locking modes. The normal mode of the stepper motors (S1, S2, S3, S4, S5) is the unlocking mode, and after rotating 180°, it is the locking mode; The electric telescopic rod (7) has 6 gears according to different telescopic lengths, namely the first gear, the second gear, the third gear, the fourth gear, the fifth gear and the sixth gear; There are 5 unloading plates (8), which are divided into unloading plates (D1, D2, D3, D4, D5) for bin storage or pushing for unloading work; all states of the unloading plates are divided into: unlocking state and unloading state; The servo motor (12) controls the driving lead screw (9) to rotate. When the servo motor (12) controls the driving lead screw (9) to rotate one circle, the moving distance of the unloading plate (8) is the thickness of the unloading plate (8). The moving range of the unloading plate (8) is a positive integer multiple of the thickness of the unloading plate (8). The servo motor (12) controls the unloading plate (8) to enter the adjustment mode; The position of the unloading plate D1 is divided into: initial position and unloading position; When in the initial position, the unloading plate D1 is located below the sensor A1, and the stepper motor S1 is in the unlocking mode; when it needs to move to the unloading position, the stepper motor S1 operates to the locking mode, the unloading plate D1 enters the adjustment mode and moves below the sensor B1, the electric telescopic rod (7) operates to the first gear, and the unloading plate D1 enters the unlocking state; when the electric telescopic rod (7) is in the second to sixth gears, the unloading plate D1 remains in the locked state; The position of the unloading plate D2 is divided into: initial position, bin position and unloading position; When in the initial position, the discharge plate D2 is located below the sensor A2, and the stepping motor S2 is in the unlocked mode; when it is necessary to translate to the bin-dividing position, the stepping motor S2 runs to the locked mode, and the discharge plate D2 moves in the adjustment mode to be below one of the sensors A3, A4, and A5; when bin-dividing is required, the stepping motors S3, S4, and S5 corresponding to the sensors A3, A4, and A5 remain in the normal unlocked mode, and the other two run to the locked mode in advance, and the discharge plate D2 moves to the bin-dividing position for positioning; when it is necessary to move to the discharging position, the stepping motors S3, S4, and S5 run to the locked mode in advance, the discharge plate D2 continues to move in the adjustment mode, the discharge plate D2 moves below the sensor B2, the electric telescopic rod (7) runs to the second gear, and the discharge plate D2 enters the unlocked state; when the electric telescopic rod (7) is in the third to sixth gears, the discharge plate D2 remains in the locked state; The positions of the discharge plate D3 are divided into: the initial position, the bin-dividing position, and the discharging position; When in the initial position, the discharge plate D3 is located below the sensor A3, and the stepping motor S3 is in the unlocked mode; when it is necessary to translate to the bin-dividing position, the stepping motor S3 runs to the locked mode, and the discharge plate D3 moves in the adjustment mode to be below one of the sensors A4 and A5; When bin-dividing is required, the stepping motors S4 and S5 corresponding to the sensors A4 and A5 remain in the normal unlocked mode, and the other one runs to the locked mode in advance, and the discharge plate D3 moves to the bin-dividing position for positioning; when it is necessary to move to the discharging position, the stepping motors S4 and S5 run to the locked mode in advance, the discharge plate D3 continues to move in the adjustment mode, the discharge plate D3 moves below the sensor B3, the electric telescopic rod (7) runs to the third gear, and the discharge plate D3 enters the unlocked state; when the electric telescopic rod (7) is in the fourth to sixth gears, the discharge plate D3 remains in the locked state; The positions of the discharge plate D4 are divided into: the initial position, the bin-dividing position, and the discharging position; When in the initial position, the discharge plate D4 is located below the sensor A4, and the stepping motor S4 is in the unlocked mode; when it is necessary to translate to the bin-dividing position, the stepping motor S4 runs to the locked mode, and the discharge plate D4 moves in the adjustment mode to be below the sensor A5; when bin-dividing is required, the stepping motor S5 remains in the normal unlocked mode, and the discharge plate D4 moves to the bin-dividing position for positioning; when it is necessary to move to the discharging position, the stepping motor S5 runs to the locked mode in advance, the discharge plate D4 continues to move in the adjustment mode, the discharge plate D4 moves below the sensor B4, the electric telescopic rod (7) runs to the fourth gear, and the discharge plate D4 enters the unlocked state; when the electric telescopic rod (7) is in the fifth to sixth gears, the discharge plate D4 remains in the locked state; The positions of the discharge plate D5 are divided into: the initial position and the discharging position; When in the initial position, the unloading plate D5 is located below the sensor A5, and the stepper motor S5 is in the unlocked mode; when it is necessary to move to the unloading position, the stepper motor S5 operates to the locked mode, and the unloading plate D5 moves to the adjusting mode and is located below the sensor B5. The electric telescopic rod (7) operates to the fifth gear, and the unloading plate D5 enters the unlocked state; when the electric telescopic rod (7) is in the sixth gear, the unloading plate D5 remains in the locked state.

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