Feed feeding device for animal husbandry

Abstract

The invention belongs to the technical field of animal husbandry feeding devices, and discloses an animal husbandry feed feeding device which comprises a bottom plate, and supports are fixedly mounted on the left side and the right side of the top of the bottom plate. By arranging a movable block, a push-pull rod, a lifting plate and a scraping plate, an operator can start a first pneumatic cylinder to push the movable block to move inwards by starting the first pneumatic cylinder when the feeding trough body needs to be cleaned, so that the push-pull rod can push the lifting plate to move upwards; when the lifting plate ascends to be located on the same plane with the top of the feeding trough body, an operator starts a first motor to enable a rotating shaft to drive a rotating rod to rotate, then a hinged rod can push a scraper to move forwards, and the scraper is driven to move forwards; and therefore, the scraping plate can completely scrape off the feed on the upper surface of the lifting plate, and an operator can conveniently collect and clean the feed.

Description

Technical Field

[0001] This invention belongs to the technical field of livestock feeding devices, specifically a livestock feed feeding device. Background Technology

[0002] Animal husbandry refers to animals that have been artificially raised and domesticated by humans. Animal husbandry is an important part of agriculture, ranking alongside crop farming as one of the two pillars of agricultural production. There are many types of animal husbandry, which can be divided into pastoral animal husbandry, agricultural animal husbandry, and suburban animal husbandry according to feed type, livestock composition, and management methods.

[0003] Feed is a general term for the food of all artificially raised animals. In a narrower sense, feed mainly refers to the food of animals raised in agriculture or animal husbandry. In animal husbandry, when feeding animals, feed is usually put into a feeding trough for the animals to eat. The feeding trough is a rectangular trough. After feeding the animals, a large amount of feed will stick to the inner surface of the feeding trough. The existing method of cleaning the feeding trough is mostly to wash it with water. However, after washing, the water inside the feeding trough needs to be drained. This is not only cumbersome, but also wastes feed when the cleaned feed mixes with the water. Therefore, it needs to be improved. Summary of the Invention

[0004] The purpose of this invention is to provide a livestock feed feeding device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a livestock feed feeding device, comprising:

[0006] The base plate has brackets fixedly installed on both the left and right sides of its top.

[0007] A cleaning mechanism is disposed on the upper surface of the base plate;

[0008] The cleaning mechanism includes a feeding trough body, the bottom of which is movably connected to the upper surface of the base plate. First pneumatic cylinders are fixedly installed on both the left and right sides of the bottom of the inner cavity of the feeding trough body. Movable blocks are fixedly connected to the inner sides of the first pneumatic cylinders. The bottom of the movable blocks is movably connected to the inner surface of the feeding trough body. A push-pull rod is hinged to the top of the movable blocks. A lifting plate is hinged to the top of the push-pull rod. The outer surface of the lifting plate is movably connected to the inner surface of the feeding trough body. Movement of the movable blocks causes the push-pull rod to push the lifting plate to move. Fixed blocks are fixedly installed on both the left and right sides of the feeding trough body. A round rod is fixedly connected between the fixed blocks. A scraper is movably sleeved on the outer surface of the round rod. The bottom of the scraper is movably connected to the top of the feeding trough body.

[0009] A drive mechanism is disposed on the back of the feeding trough body.

[0010] Preferably, the drive mechanism includes:

[0011] The mounting plate has its outer surface fixedly connected to the back of the feeding trough body. A first motor is fixedly connected to the bottom of the mounting plate. A rotating shaft is fixedly connected to the other end of the output shaft of the first motor. The top end of the rotating shaft passes through the mounting plate and extends to the top of the mounting plate and is movably sleeved with the inner wall of the mounting plate.

[0012] A rotating rod, the inner wall of which is fixedly sleeved with the outer surface of the rotating shaft, and a hinge rod is hinged to the other end of the rotating rod, the other end of which is hinged to the back of the scraper.

[0013] Preferably, a fixing plate is fixedly installed on the top of both the front and back sides of the bracket, and a slider is movably connected inside the fixing plate, with a housing fixedly connected between the sliders.

[0014] Preferably, a second pneumatic cylinder is fixedly installed at the bottom of the back of the box, a connecting plate is fixedly connected to the right end of the second pneumatic cylinder, a movable plate is fixedly connected to the outer surface of the connecting plate, and the outer surface of the movable plate is movably sleeved with the inner wall of the box.

[0015] Preferably, a side plate is fixedly installed on the back of the bracket, and a second motor is fixedly installed on the back of the side plate. A round shaft is fixedly connected to the other end of the output shaft of the second motor. The other end of the round shaft passes through the side plate and extends to the outside of the side plate and is movably sleeved with the inner wall of the side plate. A rotating rod is fixedly sleeved on the outer surface of the round shaft. A slot is opened inside the rotating rod. A round block is movably installed inside the slot. The outer surface of the round block is fixedly connected to the outer surface of the slider. When the rotating rod rotates, the inner surface of the slot will squeeze and push the round block to move.

[0016] Preferably, a vertical rod is fixedly installed inside the bracket, and sliding plates are fixedly installed on both the left and right sides of the feeding trough body. The inner wall of the sliding plate is movably sleeved with the outer surface of the vertical rod, and a toothed plate is fixedly installed on the upper surface of the sliding plate.

[0017] Preferably, mounting blocks are fixedly installed on the top of both the left and right sides of the bracket. A drive motor located on the left side of the bracket is fixedly installed on the outer surface of the mounting block. A movable shaft is fixedly connected to the other end of the output shaft of the drive motor. The other end of the movable shaft passes through the mounting block and extends to the front of the mounting block and is movably sleeved with the inner wall of the mounting block. A first gear located on the front of the mounting block is fixedly sleeved on the outer surface of the movable shaft.

[0018] Preferably, a rotating shaft is movably sleeved on the top of the front of the bracket, a second gear is fixedly sleeved on the outer surface of the rotating shaft, the outer surface of the second gear meshes with the outer surface of the first gear, and a drive roller is fixedly sleeved on the outer surface of the rotating shaft.

[0019] Preferably, a movable rod located on the right side of the bracket is movably sleeved between the mounting blocks. A driven roller located on the front of the mounting block is fixedly sleeved on the outer surface of the movable rod. The driven roller is connected to the driving roller via a conveyor belt. Rotary gears are fixedly sleeved on the outer surfaces of the movable rod and the movable shaft. The outer surface of the rotary gear meshes with the outer surface of the toothed plate.

[0020] The beneficial effects of this invention are as follows:

[0021] 1. This invention, by setting up a movable block, a push-pull rod, a lifting plate, and a scraper, allows the operator to clean the trough body by activating a first pneumatic cylinder. This pneumatic cylinder pushes the movable block inward, causing the push-pull rod to push the lifting plate upward. The lifting plate then pushes the feed adhering to the inner surface of the trough body upward. When the lifting plate rises to the same plane as the top of the trough body, the operator activates a first motor, causing the rotating shaft to rotate. This, in turn, causes the hinged rod to push the scraper forward, allowing the scraper to scrape off all the feed on the upper surface of the lifting plate, facilitating collection and cleaning by the operator.

[0022] 2. This invention, by setting up a box, a rotating rod, a trough, and a round block, allows the operator to pour feed into the box. Then, by starting a second motor, the round shaft drives the rotating rod to rotate, which in turn causes the inner surface of the trough to press and push the round block to move. This causes the round block to move the slider and the box, ensuring that the feed falling from the bottom of the box can fall evenly onto the upper surface of the lifting plate, thus avoiding uneven feed distribution that could cause animals to fight over it.

[0023] 3. This invention, by setting up a toothed plate, a first gear, a conveyor belt, and a rotating gear, allows the animal to be fed when not in use. The drive motor is activated, causing the movable shaft to rotate the first gear, which in turn rotates the second gear. This, in turn, causes the rotating shaft and the drive roller to rotate. The drive roller, in conjunction with the conveyor belt, causes the driven roller to rotate, which in turn causes the movable rod to rotate the rotating gear. The two rotating gears rotate in opposite directions, causing the toothed plate to move upwards, thus moving the feeding trough upwards. This prevents the feeding trough from occupying the animal's activity space and also prevents the animal from trampling on the feeding trough, thus avoiding contamination of its interior. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a cross-sectional view of the front of the present invention;

[0026] Figure 3 This is a schematic cross-sectional view of the side of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure on the back of the present invention;

[0028] Figure 5 for Figure 1 A magnified schematic diagram of the local structure at point A;

[0029] Figure 6 for Figure 3 A magnified view of the structure at point B in the middle;

[0030] Figure 7 for Figure 4 A magnified schematic diagram of the structure at point C.

[0031] In the diagram: 1. Base plate; 2. Support frame; 3. Feeding trough body; 4. First pneumatic cylinder; 5. Movable block; 6. Push-pull rod; 7. Lifting plate; 8. Fixed block; 9. Round rod; 10. Scraper; 11. Mounting plate; 12. First motor; 13. Rotating shaft; 14. Rotating rod; 15. Hinge rod; 16. Fixed plate; 17. Sliding block; 18. Box body; 19. Second pneumatic cylinder; 20. Connecting plate; 21. Movable plate; 2. Side plate; 23. Second motor; 24. Round shaft; 25. Rotating rod; 26. Groove; 27. Round block; 28. Vertical rod; 29. ​​Sliding plate; 30. Toothed plate; 31. Mounting block; 32. Drive motor; 33. Movable shaft; 34. First gear; 35. Rotating shaft; 36. Second gear; 37. Driving roller; 38. Movable rod; 39. Driven roller; 40. Conveyor belt; 41. Rotating gear. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] like Figures 1 to 7 As shown, an embodiment of the present invention provides a livestock feed feeding device, comprising:

[0034] Base plate 1, with brackets 2 fixedly installed on both the left and right sides of the top of base plate 1;

[0035] A cleaning mechanism is installed on the upper surface of the base plate 1;

[0036] The cleaning mechanism includes a trough body 3, the bottom of which is movably connected to the upper surface of the base plate 1. A first pneumatic cylinder 4 is fixedly installed on both the left and right sides of the bottom of the inner cavity of the trough body 3. A movable block 5 is fixedly connected to the inner side of the first pneumatic cylinder 4. The bottom of the movable block 5 is movably connected to the inner surface of the trough body 3. A push-pull rod 6 is hinged to the top of the movable block 5. A lifting plate 7 is hinged to the top of the push-pull rod 6. The outer surface of the lifting plate 7 is movably connected to the inner surface of the trough body 3. The movement of the movable block 5 will cause the push-pull rod 6 to push the lifting plate 7 to move. Fixed blocks 8 are fixedly installed on both the left and right sides of the trough body 3. A round rod 9 is fixedly connected between the fixed blocks 8. A scraper 10 is movably sleeved on the outer surface of the round rod 9. The bottom of the scraper 10 is movably connected to the top of the trough body 3.

[0037] The drive mechanism is located on the back of the feed trough body 3.

[0038] By setting up the feeding trough body 3, feed can be poured into the interior of the feeding trough body 3 to feed the animals. When the operator needs to clean the interior of the feeding trough body 3, the first pneumatic cylinder 4 can be activated to push the movable block 5 inward, which in turn causes the movable block 5 to drive the push-pull rod 6 to move, which in turn causes the push-pull rod 6 to push the lifting plate 7 upward, thereby pushing the feed on the inner surface of the feeding trough body 3 upward. When the lifting plate 7 moves upward to the same level as the top of the feeding trough body 3, the scraper 10 can be moved to scrape away all the feed.

[0039] The drive mechanism includes:

[0040] Mounting plate 11, the outer surface of mounting plate 11 is fixedly connected to the back of the feeding trough body 3, a first motor 12 is fixedly connected to the bottom of mounting plate 11, a rotating shaft 13 is fixedly connected to the other end of the output shaft of the first motor 12, the top end of the rotating shaft 13 passes through mounting plate 11 and extends to the top of mounting plate 11 and is movably sleeved with the inner wall of mounting plate 11.

[0041] The inner wall of the rotating rod 14 is fixedly sleeved with the outer surface of the rotating shaft 13. The other end of the rotating rod 14 is hinged to a hinge rod 15, and the other end of the hinge rod 15 is hinged to the back of the scraper 10.

[0042] The operator starts the first motor 12, which causes the rotating shaft 13 to drive the rotating rod 14 to rotate, thereby causing the rotating rod 14 to drive the hinge rod 15 to move, and in turn, the hinge rod 15 pushes the scraper 10 to move.

[0043] Among them, the top of the front and back of the bracket 2 are fixedly installed with a fixing plate 16, the inside of the fixing plate 16 is movably connected with a slider 17, and the slider 17 is fixedly connected with a box 18.

[0044] The operator can pour feed into the box 18, causing the feed to fall through the bottom of the box 18 into the feed trough body 3.

[0045] Among them, a second pneumatic cylinder 19 is fixedly installed at the bottom of the back of the box 18. A connecting plate 20 is fixedly connected to the right end of the second pneumatic cylinder 19. A movable plate 21 is fixedly connected to the outer surface of the connecting plate 20. The outer surface of the movable plate 21 is movably sleeved with the inner wall of the box 18.

[0046] The operator can activate the second pneumatic cylinder 19, which will cause the connecting plate 20 to move, thereby causing the connecting plate 20 to move the movable plate 21, and thus causing the movable plate 21 to release the seal on the box 18.

[0047] The bracket 2 has a side plate 22 fixedly installed on its back. The side plate 22 has a second motor 23 fixedly installed on its back. The other end of the output shaft of the second motor 23 is fixedly connected to a round shaft 24. The other end of the round shaft 24 passes through the side plate 22 and extends to the outside of the side plate 22 and is movably sleeved with the inner wall of the side plate 22. The outer surface of the round shaft 24 is fixedly sleeved with a rotating rod 25. The inside of the rotating rod 25 is provided with a slot 26. A round block 27 is movably installed inside the slot 26. The outer surface of the round block 27 is fixedly connected with the outer surface of the slider 17. When the rotating rod 25 rotates, the inner surface of the slot 26 will squeeze and push the round block 27 to move.

[0048] The operator can start the second motor 23, which will cause the round shaft 24 to drive the rotating rod 25 to rotate, thereby causing the inner surface of the slot 26 to press and push the round block 27 to move, and thus the round block 27 will drive the box 18 to move through the slider 17.

[0049] The bracket 2 has a vertical rod 28 fixedly installed inside, and sliding plates 29 are fixedly installed on both the left and right sides of the trough body 3. The inner wall of the sliding plate 29 is movably connected to the outer surface of the vertical rod 28, and a toothed plate 30 is fixedly installed on the upper surface of the sliding plate 29.

[0050] By setting the vertical rod 28, the feeding trough body 3 can be made more stable when rising.

[0051] Mounting blocks 31 are fixedly installed on the top of both sides of the bracket 2. A drive motor 32 located on the left side of the bracket 2 is fixedly installed on the outer surface of the mounting block 31. The other end of the output shaft of the drive motor 32 is fixedly connected to a movable shaft 33. The other end of the movable shaft 33 passes through the mounting block 31 and extends to the front of the mounting block 31 and is movably sleeved with the inner wall of the mounting block 31. A first gear 34 located on the front of the mounting block 31 is fixedly sleeved on the outer surface of the movable shaft 33.

[0052] The operator starts the drive motor 32, which enables the movable shaft 33 to drive the first gear 34 to rotate.

[0053] Among them, a rotating shaft 35 is movably sleeved on the top of the front of the bracket 2, a second gear 36 is fixedly sleeved on the outer surface of the rotating shaft 35, the outer surface of the second gear 36 meshes with the outer surface of the first gear 34, and a drive roller 37 is fixedly sleeved on the outer surface of the rotating shaft 35.

[0054] When the first gear 34 rotates, it will drive the second gear 36 to rotate, which in turn will drive the rotating shaft 35 to rotate, thereby enabling the drive roller 37 to rotate.

[0055] Among them, a movable rod 38 located on the right side of the bracket 2 is movably sleeved between the mounting blocks 31. A driven roller 39 located on the front of the mounting block 31 is fixedly sleeved on the outer surface of the movable rod 38. The driven roller 39 is connected to the driving roller 37 through the conveyor belt 40. A rotating gear 41 is fixedly sleeved on the outer surface of both the movable rod 38 and the outer surface of the movable shaft 33. The outer surface of the rotating gear 41 meshes with the outer surface of the toothed plate 30.

[0056] When the driving roller 37 rotates, it will drive the driven roller 39 to rotate via the conveyor belt 40, which in turn drives the movable rod 38 to rotate, thereby enabling the rotating gear 41 to rotate.

[0057] Working principle and usage process:

[0058] When the operator needs to feed the animals, they can put the feed into the box 18 and then activate the second pneumatic cylinder 19. The second pneumatic cylinder 19 pushes the connecting plate 20 to the right, which in turn causes the connecting plate 20 to move the movable plate 21 to the right. This releases the enclosure of the box 18 by the movable plate 21, allowing the feed to fall through the bottom of the box 18. At this time, the operator can activate the second motor 23, which causes the round shaft 24 to rotate the rotating rod 25. This causes the inner surface of the slot 26 to press and push the round block 27 to move. The round block 27 then moves the slider 17 and the box 18 along the inner surface of the fixed plate 16, ensuring that the feed falls evenly onto the upper surface of the lifting plate 7. This prevents the animals from fighting over the feed due to uneven feeding.

[0059] When the operator needs to clean the trough body 3, the first pneumatic cylinder 4 is activated, causing the movable block 5 to move. This, in turn, causes the movable block 5 to move the push-pull rod 6, which in turn pushes the lifting plate 7 upward. The lifting plate 7 then pushes the feed adhering to the inner surface of the trough body 3 upward. When the lifting plate 7 rises to the same height as the top of the trough body 3, the operator activates the first motor 12, causing the rotating shaft 13 to rotate the rotating rod 14. This, in turn, causes the rotating rod 14 to move the hinge rod 15, which then pushes the scraper 10 forward. The scraper 10 then scrapes off the feed from the top of the trough body 3 and the upper surface of the lifting plate 7, making it easier for the operator to collect and clean.

[0060] After feeding, the operator can start the drive motor 32, which causes the movable shaft 33 to drive the first gear 34 to rotate, which in turn drives the second gear 36 to rotate. This causes the rotating shaft 35 and the drive roller 37 to rotate. The drive roller 37, in cooperation with the conveyor belt 40, drives the driven roller 39 and the movable rod 38 to rotate, which causes the two rotating gears 41 to rotate in opposite directions. This allows the two rotating gears 41 to simultaneously drive the toothed plate 30 to move upward, which in turn causes the toothed plate 30 to drive the sliding plate 29 and the feeding trough body 3 to move upward. This prevents the feeding trough body 3 from occupying the space where the animals can move and also prevents the animals from stepping on the feeding trough body 3 and causing contamination inside the feeding trough body 3.

[0061] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0062] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A livestock feed feeding device, characterized in that, Including: The base plate (1) has brackets (2) fixedly installed on both the left and right sides of the top of the base plate (1); A cleaning mechanism is disposed on the upper surface of the base plate (1); The cleaning mechanism includes a feeding trough body (3), the bottom of which is movably connected to the upper surface of the base plate (1). First pneumatic cylinders (4) are fixedly installed on both the left and right sides of the bottom of the inner cavity of the feeding trough body (3). Movable blocks (5) are fixedly connected to the inner side of the first pneumatic cylinders (4). The bottom of the movable blocks (5) is movably connected to the inner surface of the feeding trough body (3). A push-pull rod (6) is hinged to the top of the movable blocks (5). The top of the push-pull rod (6) is hinged... A lifting plate (7) is connected to the inner surface of the feeding trough body (3). The movement of the movable block (5) will cause the push-pull rod (6) to push the lifting plate (7) to move. Fixed blocks (8) are fixedly installed on both the left and right sides of the feeding trough body (3). A round rod (9) is fixedly connected between the fixed blocks (8). A scraper (10) is movably sleeved on the outer surface of the round rod (9). The bottom of the scraper (10) is movably connected to the top of the feeding trough body (3). A drive mechanism is disposed on the back of the trough body (3).

2. The livestock feed feeding device according to claim 1, characterized in that: The driving mechanism includes: Mounting plate (11), the outer surface of which is fixedly connected to the back of the feeding trough body (3), a first motor (12) is fixedly connected to the bottom of the mounting plate (11), and a rotating shaft (13) is fixedly connected to the other end of the output shaft of the first motor (12). The top end of the rotating shaft (13) passes through the mounting plate (11) and extends to the top of the mounting plate (11) and is movably sleeved with the inner wall of the mounting plate (11). A rotating rod (14) is fixedly sleeved on the inner wall of the rotating rod (14) and the outer surface of the rotating shaft (13). A hinge rod (15) is hinged to the other end of the rotating rod (14), and the other end of the hinge rod (15) is hinged to the back of the scraper (10).

3. The livestock feed feeding device according to claim 1, characterized in that: The bracket (2) has a fixed plate (16) fixedly installed on the top of both the front and back sides. The fixed plate (16) is movably connected to a slider (17), and a box (18) is fixedly connected between the sliders (17).

4. A livestock feed feeding device according to claim 3, characterized in that: A second pneumatic cylinder (19) is fixedly installed at the bottom of the back of the box (18). A connecting plate (20) is fixedly connected to the right end of the second pneumatic cylinder (19). A movable plate (21) is fixedly connected to the outer surface of the connecting plate (20). The outer surface of the movable plate (21) is movably sleeved with the inner wall of the box (18).

5. A livestock feed feeding device according to claim 1, characterized in that: A side plate (22) is fixedly installed on the back of the bracket (2). A second motor (23) is fixedly installed on the back of the side plate (22). A round shaft (24) is fixedly connected to the other end of the output shaft of the second motor (23). The other end of the round shaft (24) passes through the side plate (22) and extends to the outside of the side plate (22) and is movably sleeved with the inner wall of the side plate (22). A rotating rod (25) is fixedly sleeved on the outer surface of the round shaft (24). A slot (26) is opened inside the rotating rod (25). A round block (27) is movably installed inside the slot (26). The outer surface of the round block (27) is fixedly connected with the outer surface of the slider (17). When the rotating rod (25) rotates, the inner surface of the slot (26) will squeeze and push the round block (27) to move.

6. A livestock feed feeding device according to claim 1, characterized in that: A vertical rod (28) is fixedly installed inside the bracket (2), and sliding plates (29) are fixedly installed on both the left and right sides of the feeding trough body (3). The inner wall of the sliding plate (29) is movably connected to the outer surface of the vertical rod (28), and a toothed plate (30) is fixedly installed on the upper surface of the sliding plate (29).

7. A livestock feed feeding device according to claim 1, characterized in that: Mounting blocks (31) are fixedly installed on the top of both the left and right sides of the bracket (2). A drive motor (32) located on the left side of the bracket (2) is fixedly installed on the outer surface of the mounting block (31). The other end of the output shaft of the drive motor (32) is fixedly connected to a movable shaft (33). The other end of the movable shaft (33) passes through the mounting block (31) and extends to the front of the mounting block (31) and is movably sleeved with the inner wall of the mounting block (31). A first gear (34) located on the front of the mounting block (31) is fixedly sleeved on the outer surface of the movable shaft (33).

8. A livestock feed feeding device according to claim 1, characterized in that: A rotating shaft (35) is movably sleeved on the top of the front of the bracket (2). A second gear (36) is fixedly sleeved on the outer surface of the rotating shaft (35). The outer surface of the second gear (36) meshes with the outer surface of the first gear (34). A drive roller (37) is fixedly sleeved on the outer surface of the rotating shaft (35).

9. A livestock feed feeding device according to claim 7, characterized in that: A movable rod (38) located on the right side of the bracket (2) is movably sleeved between the mounting blocks (31). A driven roller (39) located on the front of the mounting block (31) is fixedly sleeved on the outer surface of the movable rod (38). The driven roller (39) is connected to the driving roller (37) via a conveyor belt (40). A rotating gear (41) is fixedly sleeved on both the outer surface of the movable rod (38) and the outer surface of the movable shaft (33). The outer surface of the rotating gear (41) meshes with the outer surface of the toothed plate (30).

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