A laying hen breeding feeding trough convenient to clean

Abstract

The present application relates to the technical field of laying hen breeding equipment, and discloses a feeding trough convenient to clean for laying hen breeding, which comprises a trough body and a cylinder body moving along a guide rail of the trough body, contraction plates for opening and closing a bottom groove are arranged on the two sides of the cylinder body, the contraction plates drive two discharge rollers to feed reversely through a reverse one-way mechanism, damping plates with scrapers are arranged on the arc-shaped plates outside the contraction plates and are arranged to rotate reversely, after the damping plates are turned down, the scraping resistance generated when the cylinder body moves in any direction is converted into the pressing force of the scrapers towards the inner wall of the trough body, so that the moving of the material, the on-demand discharging and the reciprocating scraping and cleaning are completed by the same moving cylinder body.

Description

Technical Field

[0001] This invention relates to the field of feeding equipment for laying hens, and more specifically, to a feeding trough for laying hens that is easy to clean, capable of moving and spreading the feed along a long strip-shaped trough and using the same moving cylinder to complete bidirectional pressing and scraping. Background Technology

[0002] In large-scale egg-laying hen farming, long feeding troughs are usually arranged along the chicken cages. The feed needs to be distributed along the length of the feeding trough to reduce local feed accumulation and competition for feed among the hens. After feeding, powdery feed, clumps of feed, and damp attachments will remain on the inner wall of the trough. Regular cleaning is required to prevent the leftover feed from mixing with the newly added feed.

[0003] Existing mobile feeding structures mostly use hoppers, augers, or electric discharge devices that run along guide rails to continuously feed the feed in the hopper into the feeding trough. This type of structure can reduce the intensity of manual handling, but the feeding mechanism and the trough cleaning mechanism are usually independent of each other. After feeding is completed, scrapers, cleaning rollers, or flushing pipelines still need to be installed separately.

[0004] Existing scraper-type cleaning devices generally have the scraper in a fixed posture to adhere to the bottom or wall of the tank. When the scraper moves in one direction, it can push the residual material, but when it returns in the opposite direction, it is easy to bring the residual material back, or the scraper will leave the inner wall of the tank due to the change of the force direction. If a large fixed pre-tightening force is used to maintain bidirectional contact, it will increase the moving resistance and accelerate the wear of the scraper.

[0005] In addition, ordinary mobile hoppers usually control the feeding by an independent handle or opening and closing plate. The opening of the feeding port and the rotation of the internal feeding component lack mechanical synchronization. Feed is prone to bridging above the feeding port. If the feeding component is driven in the opposite direction by the reset mechanism after the feeding port is closed, it may push the feed that has reached the outlet back. Therefore, a feeding trough that combines grooving, one-way feeding, moving feeding and two-way pressing and cleaning on the same mobile cylinder is needed. Summary of the Invention

[0006] To address the problems of existing egg-laying hen feeding troughs requiring separate mechanisms for mobile feeding and residual material cleaning, unstable pressing state of the fixed scraper when moving in the opposite direction, and lack of synchronization between the opening and closing of the discharge port and the feeding component, this invention provides an easy-to-clean egg-laying hen feeding trough that allows the operator to complete position selection, pressing and discharging, and reciprocating scraping and washing through the same cylinder.

[0007] Guide rails extending along the length of the trough are set at both ends of the upper side of the trough. Slider blocks are slidably set on the two guide rails. The corresponding sliders are connected to both sides of the cylinder. The cylinder can cross the trough and move smoothly along the two guide rails, so that the bottom trough, the two sets of scrapers and the discharge rollers in the cylinder always correspond to the cross-section of the trough.

[0008] A bottom groove is opened at the lower end of the cylinder, and shrink plates are respectively limited and slidably installed on both sides of the cylinder. The two shrink plates can move towards or away from each other along the outer periphery of the cylinder. When the lower ends of the two shrink plates are in contact with each other, the bottom groove is closed. When the upper parts of the two shrink plates are close to each other, the lower ends separate and the bottom groove is opened.

[0009] Two retractable plates are each equipped with a rod in the same direction, and a ring spring is installed between the two rods. Two fixed springs are installed on each retractable plate. The ends of the two fixed springs on the same side that are close to each other are connected to a fixed block fixed to the side wall of the cylinder. The ring spring and the fixed spring together exert a resetting effect on the two retractable plates toward the closed position.

[0010] Two feed inlets are provided at the upper end of the cylinder, which respectively replenish the feed to the storage spaces on both sides inside the cylinder. Two discharge rollers are coaxially arranged inside the cylinder and located below the corresponding feed inlets. An embedded rod is rotatably installed between the two discharge rollers. The embedded rod restricts the axial offset of the two discharge rollers but allows them to rotate in opposite directions.

[0011] Two discharge rollers are connected to drive shafts at opposite ends. The drive shafts are rotatably connected to the cylinder. Multiple discharge plates arranged in opposite directions are set on the outer walls of the two discharge rollers. When the two discharge rollers rotate in opposite directions, the discharge plates push some of the feed in the storage space on both sides toward the bottom trough, so that the opening of the bottom trough and the active feeding of feed occur simultaneously.

[0012] Each shrink plate is connected to a one-way tube via a connecting plate. The two one-way tubes are sleeved on the outside of the two drive shafts in opposite one-way driving directions. When the shrink plate moves from the closed position to the open position, the connecting plate drives the one-way tube to rotate around the corresponding drive shaft. The two one-way tubes set in opposite directions transmit torque to the two drive shafts respectively.

[0013] Multiple self-locking plates are spaced apart on the inner wall of the one-way tube. A one-way block is slidably arranged on one side of each self-locking plate. The one-way block cannot cross the middle restriction position of the self-locking plate. A fitting groove adapted to the outer wall of the drive shaft is opened on the one-way block. A push spring is set between the one-way block and the inner wall of the one-way tube and keeps the fitting groove close to the drive shaft.

[0014] When the one-way tube rotates in the discharge driving direction, the friction between the one-way block and the drive shaft causes the one-way block to tend to self-lock towards the side restricted by the self-locking plate. The clamping force of the fitting groove on the drive shaft increases with the torque, thereby driving the drive shaft and the discharge roller to rotate. When the one-way tube rotates in the reset direction, the one-way block slides in the direction of releasing the self-lock, and the one-way tube returns to its original position relative to the drive shaft without causing the discharge roller to reverse and push the material.

[0015] When the two shrink plates move toward each other, they simultaneously open the bottom trough and drive the two discharge rollers to rotate in opposite directions through two sets of one-way tubes. Each time the operator completes a pinch, the discharge plate can deliver a portion of feed to the bottom trough. After releasing the same-direction rod, the ring spring and the fixing spring reset the two shrink plates to close the bottom trough, and the two sets of one-way tubes reset in an empty return manner.

[0016] By changing the number of times the cylinder is squeezed, the output at the same position can be changed. The operator can also push the cylinder along the guide rail while squeezing the rod in the same direction, so that the cylinder can complete segmented feeding or continuous feeding at different positions in the trough. The two guide rails and the slider limit the cylinder's tilt, so that the bottom trough always faces the inside of the trough.

[0017] The outer walls of the two shrink plates are respectively equipped with arc-shaped plates, and each arc-shaped plate is equipped with a damping plate. The damping plate has a damping groove that fits onto the arc-shaped plate. There is damping friction between the damping groove and the arc-shaped plate. The operator can rotate the damping plate along the arc-shaped plate and make it stop at the upper discharge position or the lower cleaning position.

[0018] Multiple scrapers are spaced apart at the lower end of each damping plate. When the damping plate rotates to the cleaning position, the multiple scrapers on both sides respectively adhere to the corresponding inner wall of the tank. When the cylinder moves along the tank, the scrapers are subjected to scraping resistance in the opposite direction of movement. The damping plate can only rotate along the trajectory limited by the arc plate. Therefore, this resistance forms a component force that presses the scrapers against the inner wall of the tank.

[0019] Two arc-shaped plates and a damping plate are symmetrically arranged relative to the cylinder. When the cylinder moves in one direction, the damping plate on the corresponding force-bearing side converts the scraping resistance into a downward pressing force. When the cylinder moves in the opposite direction, the damping plate on the other side forms a pressing force in a symmetrical manner, so that the cylinder has a stable scraping and washing effect no matter which end of the tank it moves to.

[0020] When feeding, the two damping plates can be rotated to the highest position along the arc plate to make the scraper leave the inner wall of the tank, reduce the resistance of the cylinder movement and prevent the scraper from pushing the feed that has just been put in; when cleaning, the two damping plates are rotated to the cleaning position, and the damping action makes the damping plates maintain the selected angle when there is no sufficient external force.

[0021] Both the discharge mechanism and the cleaning mechanism are installed on the cylinder that moves along the trough, but the two are separated in operation by the angle of the damping plate. In the discharge state, the scraper is raised and the shrink plate is opened as needed. In the cleaning state, the shrink plate is kept closed and the scraper is flipped down to prevent feed or residue inside the cylinder from accidentally falling out of the bottom trough during the cleaning process.

[0022] The shrink plate, the unidirectional rod, the elastic reset structure, the one-way tube and the two reverse discharge rollers form a synchronous discharge chain. Squeezing the unidirectional rod opens the bottom trough and causes the discharge plate to actively send the feed to the bottom trough. After releasing the rod, the bottom trough automatically closes and the discharge rollers do not reverse the feeding, allowing the operator to control the amount of feed fed to different positions by the number of times the rod is squeezed.

[0023] The unidirectional block's mating groove frictionally clamps the drive shaft in the driving direction and releases the clamp in the reset direction. The two unidirectional tubes in opposite directions convert the opposing movements of the two shrinking plates into the opposite rotations of the two discharge rollers, thus completing the opening, material feeding, and empty return position in a purely mechanical manner.

[0024] The arc-shaped plate, damping groove, and damping plate restrict the rotation trajectory of the scraper after being subjected to force. The scraping resistance generated by the movement of the cylinder can form a pressing component force towards the inner wall of the trough. After the structures on both sides are symmetrically arranged, the movement of the cylinder towards either end of the trough can maintain the corresponding scraper's adhesion pressure and scrape off the attached residue.

[0025] The cylinder moves along the guide rail via sliders on both sides. The discharge mechanism and the cleaning mechanism move together with the cylinder to various positions in the tank. The damping plate can switch between the discharge position and the cleaning position. Therefore, there is no need to install a separate cleaning cart or water washing drive component. The original moving feeding component can be used to complete the reciprocating cleaning of the tank. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the assembly structure of the cylinder, shrink plate, damping plate and one-way tube in this invention; Figure 3 This is a schematic diagram of the structure of the cylinder and two discharge rollers in this invention; Figure 4 This is an exploded structural diagram of the two discharge rollers and the inner rod in this invention; Figure 5 This is an exploded structural diagram of the shrink plate, discharge roller, and one-way tube in this invention; Figure 6 This is a schematic diagram of the structure of the cylinder, bottom groove, and slider in this invention; Figure 7 This is a schematic diagram of the structure of the one-way tube, self-locking plate, and one-way block in this invention; Figure 8 This is a partially enlarged schematic diagram of the unidirectional transmission structure in this invention.

[0027] Reference numerals: 1. Groove; 2. Guide rail; 3. Slider; 4. Cylinder; 5. Bottom groove; 6. Shrink plate; 7. Co-directional rod; 8. Ring spring; 9. Fixed spring; 10. Fixed block; 11. Feed inlet; 12. Arc plate; 13. Damping plate; 14. Damping groove; 15. Scraper; 16. Discharge roller; 17. Embedded rod; 18. Discharge plate; 19. Drive shaft; 20. One-way tube; 21. Connecting plate; 22. Self-locking plate; 23. One-way block; 24. Fitting groove; 25. Push spring. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will be described below with reference to the accompanying drawings and embodiments.

[0029] It should be noted that, unless otherwise stated, the technical terms used in this application have the meanings commonly understood by those skilled in the art, and the structures shown in the accompanying drawings are used to illustrate the relative positions, directions of movement, and force transmission relationships of the components.

[0030] The directional terms used in this invention, such as upper, lower, both sides, inner, outer, axial, and circumferential, refer to the directions shown in the accompanying drawings, the extension direction of the groove, or the axis of the corresponding component itself. They are used for ease of description only and do not constitute a limitation on the actual installation direction.

[0031] Please see Figures 1 to 8 In this embodiment, an easy-to-clean feeding trough for laying hens uses a trough 1 as a long strip component for feeding and receiving feed. A guide rail 2 is fixedly installed at both ends of the upper side of the trough 1. The two guide rails 2 extend along the length of the trough 1, and a slider 3 is slidably installed on each guide rail 2. A cylinder 4 is installed across the top of the trough 1. The two sides of the cylinder 4 are fixedly connected to corresponding sliders 3. The two sliders 3 jointly support the cylinder 4 and limit the lateral sway of the cylinder 4 during movement. The operator can push the cylinder 4 along the length of the trough 1 to the position where feeding or cleaning is required.

[0032] A bottom groove 5 extending axially along the lower end of the cylinder 4 is provided, with the bottom groove 5 facing the inside of the trough 1. Shrink plates 6 are respectively limited and slidably connected to both sides of the cylinder 4. The shrink plates 6 are adapted to the outer circular surface of the cylinder 4 and can slide with a limited stroke along the circumference of the cylinder 4. When the two shrink plates 6 are in the initial position, the lower ends of the two shrink plates 6 are attached to each other and cover the bottom groove 5 at the position of the bottom groove 5, and the feed inside the cylinder 4 cannot fall directly into the trough 1. When the upper parts of the two shrink plates 6 move towards each other, the two lower ends leave the bottom groove 5 in opposite directions and form a feeding gap.

[0033] Each shrink plate 6 is fixedly equipped with a unidirectional rod 7. The two unidirectional rods 7 are located on the upper part of the cylinder 4 and are held by the operator at the same time. A ring spring 8 is connected between the two unidirectional rods 7. The two sides of the ring spring 8 apply elastic force to the two unidirectional rods 7 to restore them to their separated positions. Each shrink plate 6 is also equipped with two fixing springs 9. The two fixing springs 9 on the same side are connected to a fixing block 10. The fixing block 10 is fixedly set on the side wall of the cylinder 4. The other end of the fixing spring 9 is connected to the corresponding shrink plate 6, so that the shrink plate 6 has a tendency to return to the closed bottom groove 5 along the outer circumference of the cylinder 4. The ring spring 8 is located between the two unidirectional rods 7 and performs mutual reset of the two shrink plates 6. The fixing spring 9 provides independent reset for each shrink plate 6. Even if the feed resistance encountered by the two shrink plates 6 during movement is different, the two lower ends can still return to the mutually attached position after the operator releases their grip.

[0034] Two feed inlets 11 are provided at the upper end of the cylinder 4. The two feed inlets 11 are distributed along the axial direction of the cylinder 4 and are respectively connected to the storage space on both sides of the cylinder 4. The farmers can supplement the same feed through the two feed inlets 11, and can also add feed of the corresponding ratio to the storage space on both sides according to the farming needs. Two discharge rollers 16 are coaxially arranged inside the cylinder 4. The two discharge rollers 16 are respectively located below the two feed inlets 11. An embedded rod 17 is rotatably arranged between the two discharge rollers 16. The two ends of the embedded rod 17 are respectively inserted into the two discharge rollers 16 that are close to each other and keep their axes concentric.

[0035] The embedded rod 17 only provides rotational support and coaxial restriction for the adjacent ends of the two discharge rollers 16, without fixing the two discharge rollers 16 as a whole rotating in the same direction. Therefore, the two discharge rollers 16 can rotate in opposite directions around the same axis, reducing the possibility of swaying or scraping against the inner wall of the cylinder 4 due to different material resistance at the adjacent ends. Multiple discharge plates 18 are provided at intervals on the outer walls of the two discharge rollers 16. The discharge plates 18 on the two discharge rollers 16 are arranged in opposite directions. When the two discharge rollers 16 rotate in opposite directions, the discharge plates 18 on both sides push the feed in the corresponding storage space toward the bottom groove 5 in the lower part of the cylinder 4.

[0036] Two discharge rollers 16 are fixedly connected to drive shafts 19 at their far ends. The two drive shafts 19 extend outwards in opposite directions and are rotatably connected to both sides of the cylinder 4. The outer ends of the drive shafts 19 are located inside the one-way tubes 20 outside the corresponding shrink plates 6. The one-way tubes 20 are coaxially arranged with the drive shafts 19. Each shrink plate 6 extends outwards with a connecting plate 21. The connecting plate 21 is connected to the corresponding one-way tube 20. When the shrink plate 6 moves along the outer periphery of the cylinder 4, the connecting plate 21 pushes the one-way tube 20 to rotate around the drive shaft 19. The two shrink plates 6 move in opposite directions and the one-way drive directions of the two one-way tubes 20 are set in opposite directions.

[0037] Multiple self-locking plates 22 are arranged circumferentially on the inner wall of the one-way tube 20. The self-locking plates 22 extend toward the drive shaft 19 and form a sliding support for the one-way block 23. A one-way block 23 is slidably arranged on one side of each self-locking plate 22. The one-way block 23 is restricted by the self-locking plate 22 and cannot cross the middle restriction position. A fitting groove 24 is opened on the side of each one-way block 23 facing the drive shaft 19. The outline of the fitting groove 24 is adapted to the circular outer wall of the drive shaft 19. A push spring 25 is arranged between the one-way block 23 and the inner wall of the one-way tube 20. The push spring 25 pushes against the one-way block 23 and makes the fitting groove 24 continuously fit the drive shaft 19.

[0038] When the one-way tube 20 rotates along the discharge drive direction, the friction between the bonding groove 24 and the drive shaft 19 causes the one-way block 23 to move toward the side restricted by the self-locking plate 22. The one-way block 23 cannot cross the restricted position and will have a clamping tendency. The positive pressure of the bonding groove 24 on the drive shaft 19 will increase accordingly and cause the drive shaft 19 to rotate with the one-way tube 20.

[0039] When the one-way tube 20 rotates in the reset direction, the frictional reaction force of the drive shaft 19 on the mating groove 24 causes the one-way block 23 to slide away from the self-locking position. The one-way block 23 overcomes part of the spring force of the push spring 25 and reduces the clamping on the drive shaft 19. The one-way tube 20 can rotate relative to the drive shaft 19 without causing the discharge roller 16 to reverse the feeding.

[0040] The two sets of one-way tubes 20, self-locking plates 22, one-way blocks 23 and push springs 25 are arranged in opposite directions to each other, which matches the reverse movement relationship of the two shrink plates 6. Therefore, when the operator pinches the two rods 7 in the same direction, although the two shrink plates 6 move in opposite circumferential directions, the two discharge rollers 16 can rotate in the opposite direction according to the required direction of the discharge plate 18.

[0041] Before feeding begins, feed is added to the cylinder 4 through the two feed inlets 11. The ring spring 8 and the fixing spring 9 keep the two shrink plates 6 in their initial state. The lower ends of the two shrink plates 6 are attached to and close the bottom groove 5. The two discharge rollers 16 remain stationary. The cylinder 4 can move to the designated position along the guide rail 2 without dropping any feed.

[0042] When feeding is required at the current position, the operator pinches the two unidirectional rods 7 in opposite directions. The two unidirectional rods 7 drive the upper parts of the two shrinking plates 6 to move closer to each other. The two shrinking plates 6 slide along the outer periphery of the cylinder 4 and separate their lower ends from each other. The bottom trough 5 switches from a closed state to an open state. At the same time as the two shrinking plates 6 open the bottom trough 5, the connecting plate 21 drives the two one-way pipes 20 to rotate in their respective discharge drive directions. The one-way block 23 clamps the drive shaft 19 through the fitting groove 24. The two drive shafts 19 drive the two discharge rollers 16 to rotate in opposite directions. The discharge plate 18 actively pushes a portion of the feed on both sides towards the bottom trough 5.

[0043] The feed pushed by the discharge plate 18 falls into the tank 1 through the opened bottom trough 5. The active feeding can reduce the bridging above the bottom trough 5 when the feed falls by gravity alone. One pinch corresponds to one opening stroke of the two shrink plates 6 and one rotation stroke of the two discharge rollers 16.

[0044] After the operator releases the two unidirectional rods 7, the annular spring 8 pushes the two unidirectional rods 7 away from each other, and the fixing spring 9 pulls or pushes the corresponding shrink plate 6 to reset. The lower ends of the two shrink plates 6 reattach and close the bottom groove 5, preventing the feed inside the cylinder 4 from falling out. When the shrink plate 6 is reset, the connecting plate 21 drives the one-way tube 20 to rotate in the opposite direction. The one-way block 23 releases the self-locking clamp on the drive shaft 19. The one-way tube 20 completes a free return relative to the drive shaft 19. The two discharge rollers 16 do not rotate in the opposite direction as the shrink plate 6 is reset. The feed that has been pushed to the bottom groove 5 will not be brought back to the top by the discharge plate 18.

[0045] If the current position requires an increase in feed quantity, the operator can repeatedly pinch and release the two unidirectional rods 7, opening the stroke multiple times to make the two discharge rollers 16 rotate sequentially and feed out feed one by one. If continuous feeding is required along the trough 1, the operator can maintain the operation of the unidirectional rods 7 and push the cylinder 4 to move along the guide rail 2.

[0046] Arc-shaped plates 12 are fixedly installed on the outer walls of the two contraction plates 6. The arc-shaped plates 12 extend along the outer circle of the cylinder 4. A damping plate 13 is installed on the outside of each arc-shaped plate 12. A damping groove 14 is opened on the damping plate 13. The damping groove 14 is fitted on the arc-shaped plate 12 and slides along the arc-shaped plate 12 with damping. The frictional resistance between the damping groove 14 and the arc-shaped plate 12 is greater than the gravitational torque of the damping plate 13 and the scraper 15 in the static state. When the operator applies external force, the damping plate 13 can be rotated along the arc-shaped plate 12. After the external force is released, the damping plate 13 stays at the selected angle and will not fall down on its own.

[0047] Multiple scrapers 15 are spaced apart at the lower end of each damping plate 13. The multiple scrapers 15 are arranged along the axial direction of the cylinder 4 and correspond to the corresponding inner wall area of ​​the cross section of the tank 1. When the two damping plates 13 are rotated to the lower cleaning position, the scrapers 15 on both sides respectively adhere to the inner wall of the tank 1.

[0048] When cleaning tank 1, the two shrink plates 6 are kept closed at the bottom of the tank 5 by the action of the ring spring 8 and the fixed spring 9. Then, the two damping plates 13 are rotated along the arc plate 12 to the position where the scraper 15 is attached to the inner wall of the tank 1. Then, the cylinder 4 is pushed to move along the two guide rails 2 to one end of the tank 1.

[0049] When the cylinder 4 moves, the friction between the scraper 15 and the inner wall of the trough 1 and the residual material resistance act on the damping plate 13 in the opposite direction of movement. The damping plate 13 is restricted by the trajectory of the arc plate 12 and the damping groove 14 and cannot retreat in a straight line. Under the constraint of the arc trajectory, this resistance forms a component force that makes the scraper 15 press against the inner wall of the trough 1. The greater the residual material resistance on the scraper 15, the more obvious the pressing tendency of the damping plate 13 along the restricted trajectory. Therefore, when the scraper 15 passes through the firmly adhered feed residue, it can increase the adhesion pressure and scrape the residue away from the inner wall of the trough 1, without the need for the operator to continuously press down on each scraper 15.

[0050] Two damping plates 13 and an arc plate 12 are located on both sides of the cylinder 4 and are subjected to opposite forces. When the cylinder 4 moves toward one end of the trough 1, the scraper 15 is pressed by the corresponding side structure. When the cylinder 4 moves in the opposite direction, the other side structure converts the reverse resistance into a downward pressing force in a symmetrical manner.

[0051] By moving the cylinder 4 back and forth along the length of the tank 1, multiple scrapers 15 can cover the bottom and inner wall areas of the tank 1. The scraped powdery or clumped residue is pushed to the end of the tank 1 for centralized removal. The two sliders 3 and the guide rail 2 keep the scraping path stable for each reciprocating motion.

[0052] When cleaning is completed or when preparing to refeed, the operator rotates the two damping plates 13 along the arc plate 12 to the upper discharge position. The friction of the damping groove 14 keeps the damping plates 13 in the highest position. Multiple scrapers 15 leave the inner wall of the tank 1 and leave space for the low-resistance movement of the cylinder 4 and the placement of feed. In the discharge state, lifting the scrapers 15 can prevent the scrapers 15 from pushing the feed that has just fallen into the tank 1 to one end when the cylinder 4 moves. In the cleaning state, keeping the bottom groove 5 closed can prevent the remaining feed inside the cylinder 4 from entering the cleaned area. The two working states are distinguished by the angle of the damping plates 13 and the force state of the rod 7 in the same direction.

[0053] In this embodiment, the scraper 15 can be made of an elastic material that is wear-resistant and suitable for the breeding environment. The outer edge shape of the scraper 15 is adapted to the inner wall contour of the tank 1. The curvature of the arc plate 12 and the matching resistance of the damping groove 14 are determined according to the required pressing force and manual adjustment force.

[0054] The number, width, and reverse arrangement angle of the discharge plates 18 can be determined according to the size of the feed particles and the amount of feed required for one pinch. The elastic force of the push spring 25 should ensure that the fitting groove 24 reliably contacts the drive shaft 19 within the drive stroke, and allow the one-way block 23 to release its self-locking and return smoothly within the reset stroke.

[0055] The two feed inlets 11 can be filled with the same or different proportions of feed, but the discharge rollers 16, discharge plates 18 and one-way pipes 20 on both sides are preferably of the same specifications, so that the conveying volume on both sides remains relatively stable when the two shrink plates 6 complete the same stroke. The specific dimensions can be adjusted according to the width of the trough 1 and the number of laying hens.

[0056] The above embodiments are used to illustrate the structure and working principle of the present invention. Those skilled in the art can make equivalent substitutions for the cross-section of the tank, the stroke of the shrink plate, the number of discharge plates, the number of one-way blocks, the spring parameters, and the scraper material without departing from the core concept of the present invention. The scope of protection of the present invention shall be determined by the claims and their equivalents.

Claims

1. A feed trough for laying hens that is easy to clean, comprising a trough body (1), characterized in that: Guide rails (2) are provided at both ends of the upper side of the trough (1). Slider (3) is slidably provided on both guide rails (2). A cylinder (4) is provided between the two sliders (3). A bottom groove (5) is provided at the lower end of the cylinder (4). Shrink plates (6) for opening and closing the bottom groove (5) are provided on both sides of the cylinder (4). An elastic reset structure is provided between the two shrink plates (6). An arc plate (12) is provided on the outer wall of the two shrink plates (6). A damping plate (13) is provided on the arc plate (12) for damping rotation. A scraper (15) is provided at the lower end of the damping plate (13); two discharge rollers (16) are arranged in opposite directions inside the cylinder (4). The outer wall of the discharge roller (16) is provided with a discharge plate (18) and the end is provided with a drive shaft (19). Each drive shaft (19) is provided with a one-way tube (20) connected to the corresponding shrink plate (6). A one-way block (23) is provided inside the one-way tube (20) to rub against the drive shaft (19). When the shrink plates (6) move in opposite directions, the two discharge rollers (16) are driven to rotate in opposite directions through the one-way tube (20).

2. The easy-to-clean feeding trough for laying hens according to claim 1, characterized in that: Two retractable plates (6) are respectively provided with rods (7) in the same direction, and a ring spring (8) is provided between the two rods (7). Two fixed springs (9) are provided on each retractable plate (6). The ends of the two fixed springs (9) that are close to each other are connected to a fixed block (10) fixed to the side wall of the cylinder (4).

3. The easy-to-clean feeding trough for laying hens according to claim 2, characterized in that: The upper end of the cylinder (4) is provided with two feed inlets (11). The two feed inlets (11) are connected to the storage space above the two discharge rollers (16). The lower ends of the two shrink plates (6) are attached to each other and close the bottom groove (5) under the reset action of the ring spring (8) and the fixed spring (9).

4. The easy-to-clean feeding trough for laying hens according to claim 1, characterized in that: The damping plate (13) has a damping groove (14) which is fitted onto the arc plate (12) and has a damping sliding fit with the arc plate (12). The damping plate (13) can stay at the discharge position or the cleaning position along the arc plate (12).

5. The easy-to-clean feeding trough for laying hens according to claim 4, characterized in that: Each damping plate (13) has multiple scrapers (15) spaced apart at its lower end. When the damping plate (13) is in the cleaning position, the multiple scrapers (15) are in contact with the inner wall of the tank (1).

6. The easy-to-clean feeding trough for laying hens according to claim 1, characterized in that: Two discharge rollers (16) are coaxially arranged, and an inner rod (17) is rotatably arranged between the two discharge rollers (16). The two ends of the inner rod (17) are respectively inserted into the two discharge rollers (16).

7. The easy-to-clean feeding trough for laying hens according to claim 6, characterized in that: Multiple discharge plates (18) on the two discharge rollers (16) are arranged in opposite directions, and two drive shafts (19) extend out from the opposite ends of the two discharge rollers (16) and are rotatably connected to the cylinder (4).

8. The easy-to-clean feeding trough for laying hens according to claim 1, characterized in that: A connecting plate (21) is provided on the shrink plate (6). The connecting plate (21) is connected to the corresponding one-way tube (20). The two one-way tubes (20) are respectively sleeved on the two drive shafts (19) in opposite one-way driving directions.

9. A feed trough for laying hens that is easy to clean according to claim 8, characterized in that: Multiple self-locking plates (22) are spaced apart on the inner wall of the one-way tube (20). A one-way block (23) is slidably arranged on one side of each self-locking plate (22). A fitting groove (24) for fitting the drive shaft (19) is opened on the one-way block (23).

10. A feed trough for laying hens that is easy to clean according to claim 9, characterized in that: Each one-way block (23) is provided with a push spring (25), the other end of which abuts against the inner wall of the one-way tube (20). The one-way block (23) is restricted to one side by the self-locking plate (22) and clamps the drive shaft (19) within the drive stroke of the one-way tube (20).

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