An auger wet material mixing and uniform feeding device and an automatic control method thereof

Abstract

The application discloses a kind of auger wet material mixing balanced feeding device and its automatic control method, it is related to feeding device technical field, including the mixed auger pipe being arranged along horizontal direction, its conveying direction beginning end is equipped with feed inlet, its conveying direction end is equipped with discharge port, its lower side wall is equipped with multiple discharge ports between feed inlet and discharge port along length direction interval;Gate assembly, multiple discharge ports are set in the mixed auger pipe with gate assembly;Linkage mechanism, linkage mechanism is connected with multiple gate assemblies to control its opening degree synchronously;Discharge detection component, discharge detection component is set to detect discharge state of discharge port with discharge detection component, and can form no discharge signal and discharge signal;Controller, controller is electrically connected and can control the action of linkage mechanism, then regulate and control the opening degree of gate assembly;Controller is electrically connected with discharge detection component.The application is automatically controlled by linkage device to open multiple discharge ports synchronously, realizes the balanced discharging of wet material mixing.

Description

Technical Field

[0001] This invention relates to the field of feeding device technology, and in particular to a screw conveyor wet material equal feeding device and its automatic control method. Background Technology

[0002] In the transition of pig feeding methods from free access to dry powder feed to individual feeding of liquid feed, porridge feed, mixed wet feed, and moist feed, various water-feeding methods and equipment have emerged, including fully automatic, semi-automatic, and manual liquid feeding. Porridge carts, porridge feeders, porridge feed lines, mixing tanks for wet feed, water jet mixing for wet feed, and auger mixing for wet feed. To overcome the many drawbacks of free access to dry powder feed, people are striving to find a water-feeding method suitable for the development of the modern pig industry. When the water-to-feed ratio is too low, the fluidity of the mixed wet feed decreases, making it easy for the feed to clump together, causing many pigs to gather together and frantically compete for food, resulting in biting and fighting, and significant feed waste. Existing water-feeding devices still have problems with uneven feeding from multiple feed inlets and the inability to automatically control synchronized feeding, failing to achieve the effect of all pigs in the pen eating at the same time.

[0003] Therefore, how to design a screw conveyor for balanced feeding of wet materials and its automatic control method, which can automatically control multiple feeding ports to open synchronously through a linkage device to achieve balanced feeding of wet materials, is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] In view of this, the present invention proposes a auger mixing wet material equal feeding device and its automatic control method, aiming to solve at least one of the above-mentioned technical problems; the present invention achieves equal feeding by distributing a number of feeding ports at equal intervals on the mixing auger pipe, installing a plate at each feeding port, and connecting each plate through a linkage device, and achieving automatic control through an electrical control device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This invention provides a screw conveyor wet material equalization feeding device, comprising:

[0007] A mixing auger pipe is used to transport mixed wet materials; the mixing auger pipe is arranged in a horizontal direction, and its beginning in the conveying direction is provided with a feed inlet, its end in the conveying direction is provided with a discharge outlet, and its lower pipe wall is provided with multiple discharge outlets spaced along the length direction between the feed inlet and the discharge outlet.

[0008] A gate assembly is provided on the mixing auger pipe at each of the multiple discharge ports, which is capable of opening and closing the discharge ports;

[0009] A linkage mechanism is provided, which is connected to multiple gate assemblies to synchronously control the opening degree of the multiple gate assemblies.

[0010] A discharge detection component is provided corresponding to the discharge port to detect the discharge status of the discharge port and to generate a no-discharge signal and a discharge signal.

[0011] The controller is electrically connected to and capable of controlling the action of the linkage mechanism, thereby adjusting the opening degree of the gate assembly; the controller is electrically connected to the discharge detection component, and can control the gate assembly to open the discharge port through the linkage mechanism when the discharge signal is received, and control the gate assembly to close the discharge port through the linkage mechanism when the no-discharge signal is received.

[0012] When using the auger wet material equalization feeding device of the present invention, the controller can control the linkage mechanism to open and close the gate assembly and adjust the opening degree of the gate assembly. The opening degree of the gate assembly is set according to the flow performance of the wet material. Before adjustment, the gate assembly closes all discharge ports, the mixing auger pipe is started to transport the wet material, and the gate assembly is opened when the discharge detection component detects the discharge from the discharge port. The opening degree of the gate assembly is adjusted synchronously until the discharge amount of the mixing auger pipe is approximately equal to the feed amount and the discharge amount of each discharge port is approximately the same. Each time the device is started for feeding, the same adjusted gate assembly opening is maintained under the same fluidity of the wet material feeding conditions. Subsequently, when feeding the wet material evenly, the device is directly started and the conveying speed and feed rate of the mixing auger are controlled. When the material is discharged from the outlet, the gate assembly will automatically open multiple discharge ports for synchronous and even feeding. After the material is discharged from the outlet, the gate assembly closes the discharge ports. Under the coordinated control of the controller, the present invention automatically controls the synchronous opening of multiple discharge ports through the linkage device, realizing multi-point even feeding of the wet material.

[0013] As a further improvement to the above technical solution, the gate assembly includes a clamp discharge pipe head and a gate; the clamp discharge pipe head is fitted onto the mixing auger pipe and corresponds to the discharge port, and the inner wall of the clamp discharge pipe head is provided with a discharge through hole corresponding to the discharge port; the gate plate surface is provided with a material passage hole; the gate is arranged between the discharge port and the discharge through hole and can be adapted to block the discharge port and the discharge through hole; the gate can slide along the length direction of the mixing auger pipe, thereby allowing the material passage hole to connect the discharge port and the discharge through hole.

[0014] The beneficial effects of the above technical solution are as follows: the gate plate, which slides along the length of the mixing auger pipe, constitutes a valve for opening and closing the feed inlet and discharge through-hole; by adjusting the sliding displacement of the gate plate, the corresponding areas of the feed hole, feed inlet, and discharge through-hole can be controlled, thereby adjusting the opening size. The structural foundation for installing the gate plate is constructed by clamping the discharge pipe head onto the mixing auger pipe, resulting in a simpler structure suitable for installation at different locations on the mixing auger pipe, offering better flexibility and adaptability in its arrangement.

[0015] As a further improvement to the above technical solution, the linkage mechanism includes a stroke control mechanism and a linkage rod assembly; the linkage rod assembly is arranged along the length direction of the hybrid auger pipe and is pulsatorically connected to the gate of each gate assembly; the drive end of the stroke control mechanism is pulsatorically connected to the linkage rod assembly, and can control the sliding displacement of the gate of each gate assembly through the linkage rod assembly.

[0016] The beneficial effects of the above technical solution are: the stroke control mechanism can realize the opening and closing control of the feed port by driving the gate to slide back and forth, and can adjust the opening degree of the feed port by controlling the sliding displacement of the gate, thereby regulating the feed amount.

[0017] As a further improvement to the above technical solution, the linkage assembly includes multiple linkage rods arranged along the length direction of the hybrid auger pipe; the multiple linkage rods are arranged one-to-one between any two adjacent gates, and both ends of each linkage rod are connected to the end of the corresponding gate; the drive end of the stroke control mechanism is drivenly connected to one of the linkage rods.

[0018] The beneficial effect of the above technical solution is that the drive end of the stroke control mechanism can synchronously drive multiple linkage rods and gates to reciprocate along the length of the hybrid auger pipe.

[0019] As a further improvement to the above technical solution, the stroke control mechanism includes a motor, gears, racks, a door opening limit switch, and a door closing limit switch;

[0020] The rack is arranged along the length of the hybrid auger pipe and fixed on one of the linkage rods; the controller is electrically connected to the motor to control its operation; the gear is mounted on the motor shaft and meshes with the rack; the door opening limit switch and the door closing limit switch are both electrically connected to the controller and are arranged corresponding to both ends of the rack along its length, thereby limiting the travel range of the rack.

[0021] The beneficial effects of the above technical solution are as follows: the motor can drive the gear to rotate forward or backward, the rotating gear can drive the rack to move back and forth, the rack drives multiple linkage rods to move back and forth, thereby driving each gate to slide along the length of the hybrid auger pipe; during the opening of the gate, when one end of the rack in the length direction touches the contact of the door opening limit switch, the gate is opened to the correct position and the motor stops running; during the closing of the gate, when the other end of the rack in the length direction touches the contact of the door closing limit switch, the gate is closed to the correct position and the motor stops running.

[0022] As a further improvement to the above technical solution, the discharge detection component includes a normally open photoelectric switch and a normally closed photoelectric switch; both the normally open photoelectric switch and the normally closed photoelectric switch are electrically connected to the controller; both the normally open photoelectric switch and the normally closed photoelectric switch are set corresponding to the discharge port to detect and provide feedback on the discharge status of the discharge port.

[0023] The beneficial effects of the above technical solution are: when the material is discharged from the outlet, the normally open photoelectric switch is closed and the normally closed photoelectric switch is open; when the material is discharged from the outlet, the normally open photoelectric switch is open and the normally closed photoelectric switch is closed.

[0024] As a further improvement to the above technical solution, the controller includes a door opening contactor, a door closing contactor, a door opening switch, a door closing switch, and a time relay;

[0025] The normally open contact of the door opening contactor and the normally open contact of the door closing contactor are connected between the motor and the power supply via wires to control the motor to rotate forward or in reverse.

[0026] The door opening switch, the normally open photoelectric switch, the normally closed contact of the door opening limit switch, the normally closed contact of the door closing contactor, and the coil of the door opening contactor are connected in series and then connected to the power supply circuit to form an automatic door opening control circuit.

[0027] The normally closed contact of the door opening contactor, the normally closed photoelectric switch, and the coil of the time relay are connected in series and then connected to the power supply circuit to form a delayed door closing control circuit.

[0028] The door closing switch, the normally open contact of the time relay, the normally closed contact of the door closing limit switch, the normally closed contact of the door opening contactor, and the coil of the door closing contactor are connected in series and then connected to the power supply circuit to form an automatic door closing control circuit.

[0029] The beneficial effects of the above technical solution are as follows: the working process of the motor in forward and reverse rotation is as follows: when the normally open contact of the door opening contactor is closed, the normally open contact of the door closing contactor is open, and the power supply is electrically connected to the motor through the door opening contactor to realize the forward rotation of the motor; when the normally open contact of the door closing contactor is closed, the normally open contact of the door opening contactor is open, and the power supply is electrically connected to the motor through the door closing contactor to realize the reverse rotation of the motor. The automatic door opening control circuit works as follows: When the door opening switch is closed and material is discharged from the outlet, the normally open photoelectric switch closes after sensing the discharge, and the normally closed photoelectric switch opens after sensing the discharge. Current flows through the door opening switch, the normally open photoelectric switch, the normally closed contact of the door opening limit switch, the normally closed contact of the door closing contactor, and the coil of the door opening contactor. After the coil of the door opening contactor is energized, the normally open contact of the door opening contactor closes, the motor is energized and runs, and drives the gate to open in sequence through the gear, rack and pinion and linkage rod assembly. When the end of the rack abuts against the door opening limit switch contactor, the normally closed contact of the door opening limit switch opens, the coil of the door opening contactor is de-energized, the motor stops, and the automatic door opening control process is completed. The automatic door closing control circuit operates as follows: When the door closing switch is closed and the material discharge from the outlet is complete, the normally open photoelectric switch opens after it no longer senses the discharge, and the normally closed photoelectric switch closes after it no longer senses the discharge. Current flows through the normally closed contact of the door opening contactor, the normally closed contact of the normally closed photoelectric switch, and the coil of the time relay. When the coil of the time relay is energized, the normally open contact of the time relay closes. At this time, current flows through the door closing switch, the normally open contact of the time relay, the normally closed contact of the door closing limit switch, the normally closed contact of the door opening contactor, and the coil of the door closing contactor. When the coil of the door closing contactor is energized, the normally open contact of the door closing contactor closes. The motor is energized and runs, driving the gate to close sequentially through the gear, rack, and linkage rod assembly. When the end of the rack abuts against the door closing limit switch contactor, the normally closed contact of the door closing limit switch opens, the coil of the door closing contactor is de-energized, and the motor stops. The automatic door closing control process is thus completed. The working process of the delayed closing control circuit is as follows: After the mixing auger tube finishes discharging, the normally closed photoelectric switch closes after it no longer senses the discharge; current will flow through the coil of the time relay in the power circuit, the coil of the time relay will be energized and after a preset time, the normally open contact of the time relay will close, thereby triggering the automatic closing control; the time relay plays the role of delaying the closing action to ensure that the feed in the mixing auger tube can be completely discharged.

[0030] As a further improvement to the above technical solution, the controller also includes an open door button and a close door button; the open door button and the coil of the open door contactor are connected in series and then connected to the power supply circuit to form a manual door opening control circuit; the close door button and the coil of the close door contactor are connected in series and then connected to the power supply circuit to form a manual door closing control circuit.

[0031] The beneficial effects of the above technical solution are as follows: pressing the open button allows the current output from the power circuit to flow through the coil of the open contactor, thereby closing the normally open contact of the open contactor, starting the motor to drive the gate to open, and thus opening the feeding port; pressing the close button allows the current output from the power circuit to flow through the coil of the close contactor, thereby closing the normally open contact of the close contactor, starting the motor to drive the gate to close, and thus closing the feeding port; by pressing the open and close buttons, the opening degree of the gate can be manually adjusted, thereby achieving manual and flexible control of the feeding amount at the feeding port.

[0032] Another aspect of the present invention provides an automatic control method for a screw conveyor wet material equalization feeding device, including initial settings, the specific steps of which are as follows:

[0033] Step 1: Close all feed ports using the gate assembly and open the mixing auger to transport the wet material;

[0034] Step 2: When the discharge detection component detects material discharge from the discharge port, it controls the linkage mechanism to move through the controller, thereby adjusting the opening size of the gate assembly to ensure that the discharge volume of each discharge port is balanced. At this time, the opening size of the gate assembly is set to the preset opening size.

[0035] As a further improvement to the above technical solution, automatic control of material feeding is also included, with the specific steps as follows:

[0036] Step 1: Close the gate assembly and open the mixing auger pipe to transport the wet material;

[0037] Step 2: When the discharge detection component detects material discharge from the discharge port, the controller controls the linkage mechanism to open the gate assembly to the preset opening degree, so that the material is discharged evenly from each discharge port;

[0038] Step 3: When the discharge detection component detects that the discharge port has stopped discharging, the mixing auger pipe has finished discharging. The controller controls the linkage mechanism to act, thereby causing the gate assembly to close each discharge port.

[0039] As can be seen from the above technical solution, compared with the prior art, the present invention discloses a screw conveyor wet material equalization feeding device and its automatic control method, which has the following advantages and beneficial effects:

[0040] In this invention, the relative positions of the feed inlet and the insert plate of each mixing auger tube must be exactly the same, so that the same set of balanced feeding control device can be used to control the discharge volume of all mixing auger tubes in the pen to be basically consistent. This invention effectively solves the problem of uneven feeding of wet feed by augers; it avoids the situation where the fluidity of the wet feed is greatly reduced when the water-to-feed ratio is too low, causing the feed to pile up and resulting in many pigs gathering together and frantically fighting for food. It achieves the effect of all pigs in the pen eating at the same time, avoiding feed waste and fighting due to fighting for food, and making the feeding method of feeding wet feed by augers in separate meals possible. Thus, it can replace the traditional feeding method of free access to dry powder feed, and completely solve the many problems associated with free access to dry powder feed. Attached Figure Description

[0041] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0042] Figure 1 A front view schematic diagram of the overall structure of the auger wet material equalization feeding device of the present invention;

[0043] Figure 2 A bottom view of the overall structure of the auger wet material equalization feeding device of the present invention;

[0044] Figure 3 A schematic diagram of the automatic control circuit structure of an auger wet material equalization feeding device of the present invention;

[0045] In the diagram: 1. Mixing auger pipe; 11. Inlet; 12. Outlet; 13. Discharge port; 14. Water inlet; 2. Gate assembly; 21. Clamped discharge pipe head; 211. Discharge through hole; 212. Discharge pipe; 22. Gate; 221. Through hole; 222. Hinge seat; 223. Connecting pin hinge shaft; 3. Linkage mechanism; 31. Stroke control mechanism; 311. Motor; 312. Gear; 313. Rack; 314. Door opening limit switch; 315. Door closing limit switch; 316. Mounting assembly; 3161 1. Ring clamp; 31611. C-shaped sleeve; 31612. Bolt assembly; 3162. Limit switch fixing plate; 3163. Motor fixing plate; 32. Linkage rod assembly; 321. Linkage rod; 4. Discharge detection assembly; 41. Normally open photoelectric switch; 42. Normally closed photoelectric switch; 43. Switch fixing bracket; 5. Controller; 51. Door opening contactor; 52. Door closing contactor; 53. Door opening switch; 54. Door closing switch; 55. Time relay; 56. Door opening button; 57. Door closing button; 6. Power supply. Detailed Implementation

[0046] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0047] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0049] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0050] According to embodiments of the present invention, such as Figures 1 to 2 As shown, a auger mixing wet material equalization feeding device includes: a mixing auger pipe 1, a gate assembly 2, a linkage mechanism 3, a discharge detection assembly 4, and a controller 5.

[0051] The mixing auger pipe 1 is used to transport the mixed wet material. The mixing auger pipe 1 is arranged in a horizontal direction, and its beginning end in the conveying direction is provided with a feed inlet 11, and its end end in the conveying direction is provided with a discharge outlet 12. The lower side of the pipe wall is provided with multiple discharge outlets 13 at intervals along the length direction between the feed inlet 11 and the discharge outlet 12.

[0052] The mixing auger pipe 1 is equipped with gate assemblies 2 at each of the multiple discharge ports 13, which can open and close the discharge ports 13.

[0053] The linkage mechanism 3 is connected to multiple gate assemblies 2 to synchronously control the opening degree of the multiple gate assemblies 2.

[0054] The discharge detection component 4 is configured to detect the discharge status of the discharge port 12 and can generate a no-discharge signal and a discharge signal.

[0055] The controller 5 is electrically connected to and can control the action of the linkage mechanism 3, thereby adjusting the opening size of the gate assembly 2; the controller 5 is electrically connected to the discharge detection component 4, and can control the gate assembly 2 to open the discharge port 13 through the linkage mechanism 3 when a discharge signal is received, and control the gate assembly 2 to close the discharge port 13 through the linkage mechanism 3 when a no-discharge signal is received.

[0056] In this embodiment, when the auger wet material equalization feeding device is used, the controller 5 can control the linkage mechanism 3 to open and close the gate assembly 2 and adjust the opening degree of the gate assembly 2. The opening degree of the gate assembly 2 is set according to the flow performance of the wet material. Before adjustment, the gate assembly 2 closes all discharge ports 13, the mixing auger pipe 1 is started to transport the wet material, and the gate assembly 2 is opened when the discharge detection component 4 detects the discharge from the discharge port 12. The opening degree of the gate assembly 2 is adjusted synchronously until the discharge amount of the mixing auger pipe 1 is approximately equal to the feed amount and the discharge amount of each discharge port 13 is approximately the same. Each time the device is started to feed material, the same adjusted opening degree of the gate assembly 2 is maintained under the same fluidity of the wet material feeding conditions. Afterwards, when feeding the wet material evenly, the device is started directly and the conveying speed and feed rate of the mixing auger pipe 1 are controlled. When the material is discharged from the discharge port 12, the gate assembly 2 will automatically open multiple discharge ports 13 to perform synchronous and even feeding. After the material is discharged from the discharge port 12, the gate assembly 2 closes the discharge ports 13. Under the coordinated control of the controller, the present invention automatically controls the synchronous opening of multiple discharge ports through the linkage device, realizing the multi-point even feeding of the wet material.

[0057] Specifically, the mixing auger tube 1 is fixed on both sides of the upper end of the ring or on the inner side of the ring, and multiple discharge ports 13 are formed by opening at equal intervals from the end of the mixing auger tube 1 on the lower side of the outer peripheral wall of the mixing auger tube 1.

[0058] Specifically, a water inlet 14 is provided at the beginning of the conveying direction of the mixing auger pipe 1, corresponding to the side of the feed inlet 11; both the feed inlet 11 and the water inlet 14 are connected to and connected to the feeding and water supply device; the feeding and water supply device is used to supply feed to the feed inlet 11 and water to the water inlet 14, and to convey feed and water into the mixing auger pipe 1 in a certain proportion. The mixing auger pipe 1 is an auger pipe with an internal auger, which can be driven by a drive motor, and its function is to mix the feed and water and push the feed forward.

[0059] In some embodiments, the gate assembly 2 includes a clamp discharge pipe head 21 and a gate 22; the clamp discharge pipe head 21 is clamped on the mixing auger pipe 1 and corresponds to the discharge port 13, and the inner wall of the clamp discharge pipe head 21 is provided with a discharge through hole 211 corresponding to the discharge port 13; the gate 22 has a material passage hole 221 on its surface; the gate 22 is arranged between the discharge port 13 and the discharge through hole 211 and can be adapted to block the discharge port 13 and the discharge through hole 211; the gate 22 can slide along the length direction of the mixing auger pipe 1, thereby allowing the material passage hole 221 to connect the discharge port 13 and the discharge through hole 211.

[0060] A gate 22, which slides along the length of the mixing auger pipe 1, forms a valve for opening and closing the discharge port 13 and the discharge through-hole 211. By adjusting the sliding displacement of the gate 22, the corresponding areas of the material passage 221, the discharge port 13, and the discharge through-hole 211 can be controlled, thereby adjusting the opening size. The gate 22 is installed by clamping the discharge pipe head 21 onto the mixing auger pipe 1, which simplifies the structure and makes it suitable for installation at different positions on the mixing auger pipe 1, offering better flexibility and adaptability in its arrangement.

[0061] Specifically, the clamp discharge pipe head 21 is a split clamp composed of two semi-annular clamps. The two semi-annular clamps can be fastened together with bolts, making it easy to detachably and securely fit onto the mixing auger pipe 1. A slotted plate groove is provided parallel to the axial direction on the lower side of the inner circumferential wall of the clamp discharge pipe head 21, corresponding to the discharge through hole 211. The slotted plate groove is open at both ends of the sidewalls corresponding to the clamp discharge pipe head 21, and the discharge through hole 211 is located on the bottom wall of the slotted plate groove. The gate plate 22 is adapted to slide in the slotted plate groove, and both ends of the gate plate 22 extend to the outside of the clamp discharge pipe head 21 in the sliding direction to form a connecting end. A hinge seat 222 is fixed to the connecting end of the gate plate 22; the linkage mechanism 3 is driven by the hinge seat of the gate plate 22. The gate 22 is an arc-shaped plate. Its upper surface can be fitted and slidably connected to the outer peripheral wall of the mixing auger pipe 1 to block the discharge port 13. Its lower surface is fitted and slidably connected to the bottom wall of the insert plate groove and can block the discharge through hole 211. The material passage hole 221 is opened in the middle of the upper surface of the gate 22.

[0062] Specifically, a discharge pipe 212 connected to the discharge through hole 211 is fixedly installed below the clamp discharge pipe head 21. The discharge pipe 212 is arranged along the height direction in the length direction, and its bottom end corresponds to the feeding trough so as to accurately introduce the mixed wet material into the feeding trough.

[0063] Specifically, the multiple gate plates 22 are identical in size and shape, and the same material passage hole 221 of identical size and shape is opened at the same position on the surface of the multiple gate plates 22; the material passage hole 211 of each clamp discharge pipe head 21 has the same structure; the multiple discharge ports 13 have the same structure and are all located at the same horizontal height.

[0064] In some embodiments, the linkage mechanism 3 includes a stroke control mechanism 31 and a linkage rod assembly 32; the linkage rod assembly 32 is arranged along the length direction of the hybrid auger pipe 1 and is driven to the gate 22 of each gate assembly 2; the drive end of the stroke control mechanism 31 is driven to the linkage rod assembly 32 and can control the sliding displacement of the gate 22 of each gate assembly 2 through the linkage rod assembly 32.

[0065] The stroke control mechanism 31 can control the opening and closing of the discharge port 13 by driving the gate plate 22 to slide back and forth, and can adjust the opening degree of the discharge port 13 by controlling the sliding displacement of the gate plate 22, thereby regulating the discharge amount.

[0066] In some embodiments, the linkage assembly 32 includes a plurality of linkage rods 321 arranged along the length of the hybrid auger pipe 1; the plurality of linkage rods 321 are arranged one-to-one between any two adjacent gate plates 22, and both ends of each linkage rod 321 are connected to the end of the corresponding gate plate 22; the drive end of the stroke control mechanism 31 is drivenly connected to one of the linkage rods 321.

[0067] The drive end of the stroke control mechanism 31 can synchronously drive multiple linkage rods 321 and gate 22 to reciprocate along the length of the hybrid auger pipe 1.

[0068] Specifically, the two ends of the linkage rod 321 are hinged to the hinge seat 222 of the corresponding gate plate 22 via connecting pins 223.

[0069] In some embodiments, the travel control mechanism 31 includes a motor 311, a gear 312, a rack 313, a door opening limit switch 314, and a door closing limit switch 315;

[0070] The rack 313 is arranged along the length of the auger pipe 1 and fixed on one of the linkage rods 321; the controller 5 is electrically connected to the motor 311 to control its operation; the gear 312 is mounted on the shaft of the motor 311 and meshes with the rack 313; the door opening limit switch 314 and the door closing limit switch 315 are both electrically connected to the controller 5 and are arranged one-to-one with the two ends of the rack 313 along its length, thereby limiting the travel range of the rack 313.

[0071] Motor 311 drives gear 312 to rotate forward or backward. The rotating gear 312 drives rack 313 to move back and forth. Rack 313 drives multiple linkage rods 321 to move back and forth, thereby causing each gate 22 to slide along the length of the mixing auger pipe 1. During the opening of gate 22, when one end of rack 313 touches and presses the contact of door opening limit switch 314, gate 22 is fully opened and motor 311 stops running. During the closing of gate 22, when the other end of rack 313 touches and presses the contact of door closing limit switch 315, gate 22 is fully closed and motor 311 stops running. Door opening limit switch 314 and door closing limit switch 315 limit the travel range of rack 313 to control the size of the opening of the discharge port 13 by gate 22.

[0072] Specifically, the stroke control mechanism 31 is arranged in accordance with the linkage rod 321 in the middle of the length direction of the hybrid auger pipe 1.

[0073] In some embodiments, the travel control mechanism 31 further includes a mounting assembly 316; the mounting assembly 316 includes an annular clamp 3161, a travel switch fixing plate 3162, and a motor fixing plate 3163.

[0074] Two annular clamps 3161 are provided, both of which are detachably fitted onto the outer circumference of the mixing auger pipe 1 and are arranged between the discharge pipe heads 21 of adjacent clamps. The two annular clamps 3161 are spaced apart along the length of the mixing auger pipe 1. The limit switch fixing plate 3162 and the motor fixing plate 3163 are opposite to each other and spaced apart along the circumference of the mixing auger pipe 1. The two ends of the limit switch fixing plate 3162 and the motor fixing plate 3163 are detachably connected to the two annular clamps 3161. The linkage rod 321 is located below the mixing auger pipe 1. The linkage rod 321 is arranged between the limit switch fixing plate 3162 and the motor fixing plate 3163, and its two ends move through the annular holes of the two annular clamps 3161 and are hinged to the hinge seat 222 of the corresponding gate plate 22. Rack 313 is located between limit switch mounting plate 3162 and motor mounting plate 3163 and is fixedly connected to linkage rod 321. Gear 312 is meshed with rack 313. The housing of motor 311 is fixedly mounted on the side of motor mounting plate 3163 away from limit switch mounting plate 3162. The shaft of motor 311 moves through the surface of motor mounting plate 3163 and is coaxially fixedly connected to gear 312. Door opening limit switch 314 and door closing limit switch 315 are both fixedly mounted on limit switch mounting plate 3162 by bolts, corresponding to both ends of the length direction of rack 313. The installation positions of door opening limit switch 314 and door closing limit switch 315 can be adjusted along the length direction of limit switch mounting plate 3162.

[0075] Specifically, the annular clamp 3161 includes a C-shaped sleeve 31611 and a bolt assembly 31612 for fastening the two open ends of the C-shaped sleeve together; the limit switch fixing plate 3162 and the motor fixing plate 3163 are detachably connected to the bolt assemblies 31612 of the two annular clamps 3161 one-to-one. The bolt assembly 31612 includes a screw and multiple nuts that are adapted to be screwed onto the screw.

[0076] In some embodiments, the discharge detection component 4 includes a normally open photoelectric switch 41 and a normally closed photoelectric switch 42; both the normally open photoelectric switch 41 and the normally closed photoelectric switch 42 are electrically connected to the controller 5; both the normally open photoelectric switch 41 and the normally closed photoelectric switch 42 are set to correspond to the discharge port 12 to detect and provide feedback on the discharge status of the discharge port 12.

[0077] When material is discharged from outlet 12, normally open photoelectric switch 41 closes and normally closed photoelectric switch 42 opens; when material is discharged from outlet 12, normally open photoelectric switch 41 opens and normally closed photoelectric switch 42 closes.

[0078] Specifically, normally open photoelectric switch 41 and normally closed photoelectric switch 42 are fixedly installed at the end of the mixing auger pipe 1 and below the corresponding discharge port 12 via switch fixing bracket 43; the function of normally open photoelectric switch 41 and normally closed photoelectric switch 42 is to control the opening and closing of discharge port 13 by detecting the on / off state of the discharge flow.

[0079] In some embodiments, the controller 5 includes a door opening contactor 51, a door closing contactor 52, a door opening switch 53, a door closing switch 54, and a time relay 55;

[0080] The normally open contact of the door opening contactor 51 and the normally open contact of the door closing contactor 52 are connected between the motor 311 and the power supply 6 via wires to control the motor 311 to rotate forward or in reverse.

[0081] The normally closed contacts of the door opening switch 53, the normally open photoelectric switch 41, the door opening limit switch 314, the normally closed contacts of the door closing contactor 52, and the coil of the door opening contactor 51 are connected in series and then connected to the power supply circuit to form an automatic door opening control circuit.

[0082] The normally closed contact of the door opening contactor 51, the normally closed photoelectric switch 42, and the coil of the time relay 55 are connected in series and then connected to the power supply circuit to form a delayed door closing control circuit.

[0083] The normally open contacts of the door closing switch 54, the time relay 55, the normally closed contacts of the door closing limit switch 315, the normally closed contacts of the door opening contactor 51, and the coil of the door closing contactor 52 are connected in series and then connected to the power supply circuit to form an automatic door closing control circuit.

[0084] Specifically, controller 5 is installed inside the electrical control cabinet.

[0085] The forward and reverse rotation of the motor is as follows: when the normally open contact of the door opening contactor 51 is closed, the normally open contact of the door closing contactor 52 is open, and the power supply 6 is electrically connected to the motor 311 through the door opening contactor 51 to realize the forward rotation of the motor 311; when the normally open contact of the door closing contactor 52 is closed, the normally open contact of the door opening contactor 51 is open, and the power supply 6 is electrically connected to the motor 311 through the door closing contactor 52 to realize the reverse rotation of the motor. The automatic door opening control circuit works as follows: When the door opening switch 53 is closed and material is discharged from the discharge port 12, the normally open photoelectric switch 41 senses the discharge and closes, and the normally closed photoelectric switch 42 senses the discharge and opens. Current will flow through the power circuit through the normally closed contacts of the door opening switch 53, the normally open photoelectric switch 41, the door opening limit switch 314, the normally closed contacts of the door closing contactor 52, and the coil of the door opening contactor 51. After the coil of the door opening contactor 51 is energized, the normally open contacts of the door opening contactor 51 close, the motor 311 is energized and runs, and drives the gate 22 to open in sequence through the gear 312, the rack 313 and the linkage rod assembly 32. When the end of the rack 313 abuts against the contact of the door opening limit switch 314, the normally closed contact of the door opening limit switch 314 opens, the coil of the door opening contactor 51 is de-energized, and the motor 311 stops. The automatic door opening control process is thus completed. The automatic door closing control circuit operates as follows: When the door closing switch 54 is closed, and the material is discharged from the outlet 12, the normally open photoelectric switch 41 opens after no material is detected, and the normally closed photoelectric switch 42 closes after no material is detected. Current flows through the normally closed contact of the door opening contactor 51, the normally closed contact of the normally closed photoelectric switch 42, and the coil of the time relay 55. When the coil of the time relay 55 is energized, the normally open contact of the time relay 55 closes. At this time, current flows through the door closing switch 54, the normally open contact of the time relay 55, and the door closing... The normally closed contact of the limit switch 315, the normally closed contact of the door opening contactor 51, and the coil of the door closing contactor 52 are energized. When the coil of the door closing contactor 52 is energized, the normally open contact of the door closing contactor 52 closes, the motor 311 is energized and runs, and drives the gate 22 to close in sequence through the gear 312, rack 313 and linkage rod assembly 32. When the end of the rack 313 abuts against the contact of the door closing limit switch 315, the normally closed contact of the door closing limit switch 315 opens, the coil of the door closing contactor 52 is de-energized, the motor 311 stops, and the automatic door closing control process is completed. The working process of the delayed closing control circuit is as follows: After the material is discharged from the mixing auger tube 1, the normally closed photoelectric switch 42 closes after it no longer senses the material discharge; the power circuit will have current passing through the coil of the time relay 55, the coil of the time relay 55 will be energized and after a preset time, the normally open contact of the time relay 55 will close, thereby triggering the automatic closing control; the time relay 55 plays the role of delaying the closing action to ensure that the feed in the mixing auger tube 1 can be completely discharged.

[0086] In some embodiments, the controller 5 further includes an open door button 56 and a close door button 57; the open door button 56 and the coil of the open door contactor 51 are connected in series and then connected to the power supply circuit to form a manual door opening control circuit; the close door button 57 and the coil of the close door contactor 52 are connected in series and then connected to the power supply circuit to form a manual door closing control circuit.

[0087] Specifically, both the door opening button 56 and the door closing button 57 are installed inside the electrical control cabinet.

[0088] Pressing the open button 56 allows the current output from the power circuit to flow through the coil of the open contactor 51, thereby closing the normally open contact of the open contactor 51, starting the motor 311 to drive the gate 22 to open, thus opening the feeding port 13; pressing the close button 57 allows the current output from the power circuit to flow through the coil of the close contactor 52, thereby closing the normally open contact of the close contactor 52, starting the motor 311 to drive the gate 22 to close, thus closing the feeding port 13; by pressing the open button 56 and the close button 57, the opening degree of the gate 22 can be manually adjusted, thereby achieving manual and flexible control of the feeding amount of the feeding port 13.

[0089] Specifically, power supply 6 is a three-phase power supply; in practical applications, the power supply circuit can be constructed by drawing two live wires or one live wire and one neutral wire from power supply 6.

[0090] Specifically, Figure 3 This invention illustrates the automatic control circuit structure of a screw conveyor wet material equalization feeding device, wherein KM1 represents the coil of the door opening contactor 51, and KM... 11 This indicates the normally open contact of the door opening contactor 51, KM 12 KM2 represents the normally closed contact of the door opening contactor 51, and KM represents the coil of the door closing contactor 52. 21 This indicates the normally open contact of the door closing contactor 52, KM 22 SQ1 represents the normally closed contact of the door closing contactor 52, SQ2 represents the normally closed contact of the door opening limit switch 314, SQ2 represents the normally closed contact of the door closing limit switch 315, KT represents the coil of the time relay 55, KT1 represents the normally open contact of the time relay 55, Q1 represents the door opening switch 53, Q2 represents the door closing switch 54, and M represents the motor 311; the motor 311 is a three-phase motor.

[0091] Another aspect of the present invention provides an automatic control method for a screw conveyor wet material equalization feeding device, including initial settings, the specific steps of which are as follows:

[0092] Step 1: Close all discharge ports 13 through gate assembly 2 and open mixing auger pipe 1 to transport wet material;

[0093] Step 2: When the discharge detection component 4 detects that the material is being discharged from the discharge port 12, the controller 5 controls the linkage mechanism 3 to move, thereby adjusting the opening size of the gate component 2 so that the discharge amount of each discharge port 13 is balanced. At this time, the opening size of the gate component 2 is set to the preset opening size.

[0094] Specifically, the hybrid auger tube 1 is made of transparent tubing, which can be made of transparent plastic or glass.

[0095] Specifically, in step two, multiple gates 22 are used to completely seal all the multiple discharge ports 13 below the mixing auger pipe 1, and the discharge port 12 at the end of the mixing auger pipe 1 is kept open. One end of the rack 313 is placed against the contact of the door closing limit switch 315 to make it open, and the door closing limit switch 315 is fixed.

[0096] The feeding and water supply device is turned on to supply material and water into the mixing auger pipe 1, so that the mixing auger pipe 1 starts to feed material and water and starts its auger. When the material flows out from the discharge port 12 at the end, the normally open photoelectric switch 41 closes and the normally closed photoelectric switch 42 opens, the motor 311 is energized, the gear 312 drives the rack 313, the linkage rod 321 and the gate 22 to move, the discharge port 13 gradually opens and begins to discharge material. At this time, the door opening switch 53 is turned off to de-energize the automatic door opening control circuit. The door opening button 56 is pressed to control the motor 311 to slowly open the gate 22 until the discharge volume of the mixing auger pipe 1 is approximately equal to the feed volume and the discharge volume of each discharge port 13 is approximately the same. When the discharge port 13 is opened too wide and the discharge port 12 at the end does not discharge material, the door closing switch 54 is turned off to de-energize the automatic door closing control circuit. The door closing button 57 is pressed to slowly close the gate 22 until the discharge volume is adjusted appropriately.

[0097] After the discharge rate of the mixing auger pipe 1 is properly adjusted, the contact of the door opening limit switch 314 is placed against the other end of the rack 313 and the normally closed contact of the door opening limit switch 314 is in the open state, and the door opening limit switch 314 is fixed.

[0098] When the mixing auger tube 1 finishes discharging material, the normally open photoelectric switch 41 is opened and the normally closed photoelectric switch 42 is closed. The motor 311 restarts and rotates in the opposite direction. Through the gear 312, it drives the rack 313, the linkage rod 321 and the gate 22 to move, so that the discharge port 13 is closed. After the discharge port 13 is closed, the other end of the rack 313 touches the contact of the door closing limit switch 315, so that the circuit is disconnected and the machine stops.

[0099] In some embodiments, automatic control of material feeding is also included, the specific steps of which are as follows:

[0100] Step 1: Close the gate assembly 2 and open the mixing auger pipe 1 to transport the wet material;

[0101] Step 2: When the discharge detection component 4 detects that the material is being discharged from the discharge port 12, the controller 5 controls the linkage mechanism 3 to operate, thereby opening the gate assembly 2 to the preset opening degree so that the material is discharged evenly from each discharge port 13;

[0102] Step 3: When the discharge detection component 4 detects that the discharge port 12 has stopped discharging, the discharge of the mixing auger pipe 1 is completed. The controller 5 controls the linkage mechanism 3 to act, thereby causing the gate assembly 2 to close each discharge port 13.

[0103] Specifically, the relative positions of the discharge port 13 of each mixing auger pipe 1 and the gate 22 should be exactly the same, so that the discharge volume of all the discharge ports 13 of the mixing auger pipes 1 in the loop can be kept basically consistent by using the same set of linkage mechanism 3 with limit switch.

[0104] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0105] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A screw conveyor wet material equalization feeding device, characterized in that, include: A mixing auger pipe is used to transport wet materials; the mixing auger pipe is arranged horizontally, with an inlet at the beginning of its conveying direction and an outlet at the end of its conveying direction, and a plurality of discharge ports are provided on the lower side of the pipe wall at intervals along the length direction between the inlet and the outlet; the plurality of discharge ports open on the lower side of the outer peripheral wall of the mixing auger pipe. Gate assembly, wherein the mixing auger pipe is provided with a gate assembly capable of opening and closing the discharge port at each of the plurality of discharge ports; A linkage mechanism is provided, which is connected to multiple gate assemblies to synchronously control the opening degree of the multiple gate assemblies. A discharge detection component is provided corresponding to the discharge port to detect the discharge status of the discharge port and to generate a no-discharge signal and a discharge signal. The controller is electrically connected to and capable of controlling the action of the linkage mechanism, thereby adjusting the opening degree of the gate assembly; the controller is electrically connected to the discharge detection component, and can control the gate assembly to open the discharge port through the linkage mechanism when the discharge signal is received, and control the gate assembly to close the discharge port through the linkage mechanism when the no-discharge signal is received. The gate assembly includes a clamp discharge pipe head and a gate; the clamp discharge pipe head is fitted onto the mixing auger pipe and corresponds to the discharge port, and the inner wall of the clamp discharge pipe head is provided with a discharge through hole corresponding to the discharge port; the gate plate surface is provided with a material passage hole; the gate plate is arranged between the discharge port and the discharge through hole and can be adapted to block the discharge port and the discharge through hole; the gate plate can slide along the length direction of the mixing auger pipe, thereby allowing the material passage hole to connect the discharge port and the discharge through hole; The linkage mechanism includes a stroke control mechanism and a linkage rod assembly; the linkage rod assembly is arranged along the length direction of the hybrid auger pipe and is pulsatorically connected to the gate of each gate assembly; the drive end of the stroke control mechanism is pulsatorically connected to the linkage rod assembly and can control the sliding displacement of the gate of each gate assembly through the linkage rod assembly; The linkage assembly includes multiple linkages arranged along the length of the hybrid auger pipe; each linkage is arranged one-to-one between any two adjacent gates, and both ends of each linkage are connected to the end of the corresponding gate; the drive end of the stroke control mechanism is driven by one of the linkages. The travel control mechanism includes a motor, gears, rack, door opening limit switch, and door closing limit switch; The rack is arranged along the length of the hybrid auger pipe and fixed on one of the linkage rods; the controller is electrically connected to the motor to control its operation; the gear is mounted on the motor shaft and meshes with the rack; the door opening limit switch and the door closing limit switch are both electrically connected to the controller and are arranged corresponding to both ends of the rack along its length, thereby limiting the travel range of the rack; The discharge detection component includes a normally open photoelectric switch and a normally closed photoelectric switch; both the normally open and normally closed photoelectric switches are electrically connected to the controller; both the normally open and normally closed photoelectric switches are configured corresponding to the discharge port to detect and provide feedback on the discharge status of the discharge port; the normally open and normally closed photoelectric switches are fixedly installed at the end of the mixing auger tube and below the discharge port via a switch fixing bracket, and are used to control the opening and closing of the discharge port by detecting the on / off state of the discharge flow; The controller includes a door opening contactor, a door closing contactor, a door opening switch, a door closing switch, and a time relay; The normally open contact of the door opening contactor and the normally open contact of the door closing contactor are connected between the motor and the power supply via wires to control the motor to rotate forward or in reverse. The door opening switch, the normally open photoelectric switch, the normally closed contact of the door opening limit switch, the normally closed contact of the door closing contactor, and the coil of the door opening contactor are connected in series and then connected to the power supply circuit to form an automatic door opening control circuit. The normally closed contact of the door opening contactor, the normally closed photoelectric switch, and the coil of the time relay are connected in series and then connected to the power supply circuit to form a delayed door closing control circuit. The door closing switch, the normally open contact of the time relay, the normally closed contact of the door closing limit switch, the normally closed contact of the door opening contactor, and the coil of the door closing contactor are connected in series and then connected to the power supply circuit to form an automatic door closing control circuit. The controller also includes an open door button and a close door button; the open door button and the coil of the open door contactor are connected in series and then connected to the power supply circuit to form a manual door opening control circuit; the close door button and the coil of the close door contactor are connected in series and then connected to the power supply circuit to form a manual door closing control circuit.

2. An automatic control method for the auger wet material equalization feeding device as described in claim 1, characterized in that, Including initial setup, the specific steps are as follows: Step 1: Close all feed ports using the gate assembly and open the mixing auger to transport the wet material; Step 2: When the discharge detection component detects material discharge from the discharge port, it controls the linkage mechanism to move through the controller, thereby adjusting the opening size of the gate assembly to ensure that the discharge volume of each discharge port is balanced. At this time, the opening size of the gate assembly is set to the preset opening size. In step two, multiple gates are used to completely seal all the discharge ports below the mixing auger pipe, while the discharge port at the end of the mixing auger pipe remains open. One end of the rack is placed against the contact of the door closing limit switch to keep it in the open state, and the door closing limit switch is fixed in place. The feeding and water supply devices are turned on to supply material and water into the mixing auger pipe, so that the mixing auger pipe starts to feed material and water and starts its auger. When the material flows out from the discharge port at the end, the normally open photoelectric switch closes and the normally closed photoelectric switch opens, the motor is energized, and the gear drives the rack, linkage rod and gate to move, the discharge port gradually opens and the material begins to flow. At this time, the door opening switch is turned off to de-energize the automatic door opening control circuit. The door opening button is pressed jogly to control the motor to slowly open the gate until the discharge volume of the mixing auger pipe is approximately equal to the feed volume and the discharge volume of each discharge port is approximately the same. If the discharge port is opened too wide and no material is discharged from the end discharge port, turn off the door closing switch to de-energize the automatic door closing control circuit. Press the door closing button to slowly close the gate until the discharge volume is adjusted appropriately. After the discharge volume of the mixing auger is adjusted appropriately, place the contact of the door opening limit switch on the other end of the rack and open the normally closed contact of the door opening limit switch. Secure the door opening limit switch. After the mixing auger has finished discharging material, the normally open photoelectric switch opens and the normally closed photoelectric switch closes. The motor restarts and rotates in the opposite direction. The gear drives the rack, linkage rod and gate to move, closing the discharge port. After the discharge port closes, the other end of the rack touches the contact of the door closing limit switch, disconnecting the circuit and stopping the machine. It also includes automatic control of material feeding, the specific steps of which are as follows: Step 1: Close the gate assembly and open the mixing auger pipe to transport the wet material; Step 2: When the discharge detection component detects material discharge from the discharge port, the controller controls the linkage mechanism to open the gate assembly to the preset opening degree so that the material is discharged evenly from each discharge port; Step 3: When the discharge detection component detects that the discharge port has stopped discharging, the mixing auger pipe has finished discharging. The controller controls the linkage mechanism to act, thereby causing the gate assembly to close each discharge port.

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