An automated stereoscopic warehouse for straw briquette fuel

Abstract

The present invention discloses an automated stereoscopic warehouse for straw briquette fuel, which relates to the technical field of straw transportation. It includes a storage warehouse, inside which support legs are arranged. At the top of the support legs, a conveying bin is fixedly installed. An feeding device is arranged inside the storage warehouse. A rotating motor is fixedly installed on the surface of the conveying bin, and the output end of the rotating motor rotatably penetrates through the inner and outer walls of the conveying bin. A conveying roller is fixedly installed on the surface of the output end of the rotating motor. A spiral plate is fixedly installed on the circumferential surface of the conveying roller. A feeding pipe is fixedly installed on the circumferential surface of the conveying bin, and a discharge port is opened at the bottom of the feeding pipe. When the output end of the rotating motor rotates, it will drive the conveying roller to rotate. When the conveying roller rotates, it will drive the spiral plate to rotate. When the spiral plate rotates, it will drive the straw to move and extrude the straw before conveying it. The working efficiency is relatively high and the practicability is strong.

Description

Technical Field

[0001] The present invention relates to the technical field of straw transportation, and particularly to an automated three-dimensional warehouse for straw briquette fuel. Background Art

[0002] The automated three-dimensional warehouse for straw briquette fuel is mainly used for storing and managing compressed straw fuel.

[0003] The patent with the patent announcement number CN209337492U relates to a transportation device for straw briquette fuel, including a material tank. At the bottom end of the left inner wall of the material tank, a rotating rod is rotatably assembled. At the top end of the rotating rod, a supporting plate is fixedly assembled. At the top end of the supporting plate, a material transporting device is fixedly assembled. At the top left side of the material tank, a housing is fixedly assembled. The material transporting device is located inside the housing. At the top left side of the housing, a discharge port is opened. At the right end of the material tank, a material pushing device is fixedly assembled. At the bottom end of the left side of the material pushing device, a limiting device is fixedly assembled. At the right side of the housing, a screening device is fixedly assembled. Through the cooperation of the material tank and the material transporting device, through the cooperation of the housing and the discharge port, the material transporting device transports the straw briquette fuel to a high place. Through the cooperation of the housing and the screening device, the straw briquette fuel is screened before transportation, and the fuel with poor quality is screened out to improve the quality of the transported fuel.

[0004] In the above patent, through the cooperation of the material tank and the material transporting device, through the cooperation of the housing and the discharge port, the material transporting device transports the straw briquette fuel to a high place. However, when placing the straw in the conveying bin, continuous and uninterrupted placement will cause straw accumulation at the feeding port, resulting in the device being unable to effectively convey the straw and affecting the normal working progress. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides an automated three-dimensional warehouse for straw briquette fuel, which solves the problems raised in the above background art.

[0006] To achieve the above purposes, the present invention is realized through the following technical solutions: An automated three-dimensional warehouse for straw briquette fuel, including a storage warehouse. Inside the storage warehouse, support legs are provided. At the top of the support legs, a conveying bin is fixedly installed. Inside the storage warehouse, a feeding device, a screening device and a recycling device are provided.

[0007] Among them, the feeding device includes: a rotating motor, a conveying roller, a spiral plate, a feeding pipe, a top plate, a guide plate, a fixing plate, a baffle plate, a vertical rod, a triangular block and a transmission rod. The rotating motor is fixedly installed on the surface of the conveying bin, the output end of the rotating motor rotates through the inner and outer walls of the conveying bin, the conveying roller is fixedly installed on the surface of the output end of the rotating motor, the spiral plate is fixedly installed on the circumferential surface of the conveying roller, the feeding pipe is fixedly installed on the circumferential surface of the conveying bin, a discharge port is opened at the bottom of the feeding pipe, the top plate is fixedly installed on the top of the feeding pipe, a feeding port is opened on the surface of the top plate, the guide plate is slidably installed on the inner wall of the feeding pipe, the fixing plate is fixedly installed on the inner wall of the feeding pipe, the baffle plate is slidably installed at the bottom of the top plate, the vertical rod is fixedly installed on the top of the guide plate, the triangular block is fixedly installed at the bottom of the baffle plate, a square groove is opened on the surface of the triangular block, one end of the transmission rod is fixedly installed on the surface of the vertical rod, and the other end of the transmission rod is slidably installed on the inner wall of the square groove. When the transmission rod moves upward, it will drive the triangular block to move towards the vertical rod. When the triangular block moves, it will drive the baffle plate to move away from the feeding port, and the baffle plate will no longer block the feeding port after moving.

[0008] According to the above technical solution, a first spring is arranged between the fixing plate and the guide plate, the baffle plate is in contact with the feeding port, and the guide plate is reset by the reset of the first spring.

[0009] According to the above technical solution, the screening device includes: a servo motor, a rotating roller, a material dredging roller, a screening plate, a recycling frame, a square block, an arc block and a sliding rod. The servo motor is fixedly installed on the surface of the feeding pipe, the output end of the servo motor rotates through the inner and outer walls of the feeding pipe, the rotating roller is fixedly installed on the surface of the output end of the servo motor, the end of the rotating roller away from the servo motor is rotatably installed on the inner wall of the feeding pipe, the material dredging roller is fixedly installed on the circumferential surface of the rotating roller, the screening plate is slidably installed on the inner wall of the feeding pipe, the recycling frame is fixedly installed on the inner wall of the feeding pipe, the square block is fixedly installed at the bottom of the guide plate, the arc block is fixedly installed at the bottom of the square block, the sliding rod is slidably installed on the inner wall of the recycling frame. The rice husks or other materials mixed in the straw will fall into the interior of the recycling frame through the screening plate. The rotation of the output end of the servo motor drives the rotation of the rotating roller, the rotation of the rotating roller drives the rotation of the material dredging roller, and the rotation of the material dredging roller drives the straw falling on the top to move towards the bottom.

[0010] According to the above technical solution, a second spring is arranged between the sliding rod and the recycling frame, the screening plate is in contact with the sliding rod, and the sliding rod is reset by the second spring.

[0011] According to the above technical solution, the arc block is in contact with the screening plate, and a third spring is arranged between the screening plate and the feeding pipe. The screening plate is reset by the third spring.

[0012] According to the above technical solution, the recycling device includes: a storage box, a cabinet door, a rotating shaft, an electric push rod and a scraping plate. The storage box is fixedly installed on the side of the feeding pipe away from the servo motor. The cabinet door is rotatably installed on the surface of the storage box. The rotating shaft is rotatably installed on the surface of the storage box. The electric push rod is fixedly installed on the surface of the feeding pipe. The output end of the electric push rod slidably penetrates through the inner and outer walls of the feeding pipe and the recycling frame. The scraping plate is slidably installed on the output end of the electric push rod. The screening plate moves downward to drive the sliding rod to move downward. The sliding rod moves downward to drive the transmission arc block to move downward. The movement of the transmission arc block downward will push the materials at the bottom corner away from the dead corner.

[0013] According to the above technical solution, the recycling device further includes: a round rod, a transmission arc block, a cross bar, an arc rod and a top rod. The round rod is fixedly installed at both ends of the scraping plate. The transmission arc block is fixedly installed at the bottom of the sliding rod. The cross bar is fixedly installed on the inner wall of the recycling frame. The arc rod is rotatably installed at one end of the cross bar close to the storage box. The top rod is fixedly installed at the bottom of the cross bar. The movement of the round rod drives the scraping plate to move upward. The round rod continues to move along the cross bar in a direction away from the storage box, so that the scraping plate does not contact the bottom of the recycling frame when moving in a direction away from the storage box.

[0014] According to the above technical solution, a torsion spring is arranged between the arc rod and the cross bar. The round rod contacts the arc rod, and the torsion spring drives the arc rod to reset.

[0015] The present invention provides an automated stereoscopic warehouse for straw briquette fuel. It has the following beneficial effects:

[0016] (1) In this invention, the rotation of the conveying roller drives the rotation of the spiral plate. The rotation of the spiral plate drives the movement of the straw and squeezes the straw for conveying. The working efficiency is relatively high and the practicability is strong. By moving the baffle plate, part of the feeding port is blocked, so that the speed of the straw entering the feeding pipe is reduced, preventing the straw in the feeding pipe from being blocked due to excessive stacking of straw inside the device, which may cause damage to the device. This improves the stability of the device during operation. After the baffle plate moves and no longer blocks the feeding port, the original feeding speed is restored. This device can automatically adjust the size of the feeding port according to the stacking degree of the straw inside the feeding pipe, without manual operation, improving the automation degree of the device.

[0017] (2) In this invention, the rotation of the rotating roller drives the rotation of the material dredging roller. The rotation of the material dredging roller drives the straw that has fallen to the top to move towards the bottom. This device screens out small materials mixed inside the straw to prevent the small materials from causing the straw after briquetting to become loose, ensuring the stability of the subsequent device operation. The reset of the third spring drives the screening plate to move upwards, and the reciprocating movement of the screening plate drives the straw at the top to move reciprocally, improving the screening effect when the device screens the straw.

[0018] (3) In this invention, after the rotation of the rotating shaft, it no longer blocks the cabinet door, enabling the cabinet door to be opened to process the materials inside the storage box. The screened materials can be centralized and uniformly recycled, improving the practicality and working efficiency of the device. As the round rod continues to move along the cross bar in the direction away from the storage box, the scraping plate does not contact the bottom of the recycling box when moving away from the storage box, preventing the scraping plate from taking the materials away from the storage box and causing some materials to not be collected, thus improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 is a schematic diagram of the internal structure of the storage warehouse of the present invention;

[0021] Figure 3 is a schematic diagram of the sectional structure of the conveying bin of the present invention;

[0022] Figure 4 is a schematic diagram of the sectional structure of the feed pipe of the present invention;

[0023] Figure 5 is a schematic diagram of the positional relationship structure of the transmission rod of the present invention;

[0024] Figure 6 is a schematic diagram of the screening device structure of the present invention;

[0025] Figure 7 is a schematic diagram of the recycling device structure of the present invention;

[0026] Figure 8 of the present invention Figure 7 is an enlarged schematic diagram of the structure of part A.

[0027] In the figure: 1, storage warehouse; 2, support leg; 3, conveying bin; 41, rotating motor; 42, conveying roller; 43, spiral plate; 44, feed pipe; 45, top plate; 46, deflector; 47, fixing plate; 48, baffle plate; 49, vertical rod; 410, triangular block; 411, transmission rod; 412, first spring; 51, servo motor; 52, rotating roller; 53, material dredging roller; 54, screening plate; 55, recycling box; 56, square block; 57, arc block; 58, sliding rod; 61, storage box; 62, cabinet door; 63, rotating shaft; 64, electric push rod; 65, scraper; 66, round rod; 67, transmission arc block; 68, cross bar; 69, arc rod; 610, ejector rod. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figures 1 - 5, an embodiment of the present invention is: an automated three-dimensional warehouse for straw briquette fuel, including a storage warehouse 1. Inside the storage warehouse 1, there are support legs 2. At the top of the support legs 2, a conveying bin 3 is fixedly installed. Inside the storage warehouse 1, there is a feeding device, which includes: a rotary motor 41, a conveying roller 42, a spiral plate 43, a feeding pipe 44, a top plate 45, a guiding plate 46, a fixing plate 47, a baffle plate 48, a vertical rod 49, a triangular block 410, and a transmission rod 411. The rotary motor 41 is fixedly installed on the surface of the conveying bin 3. The output end of the rotary motor 41 rotates through the inner and outer walls of the conveying bin 3. The conveying roller 42 is fixedly installed on the surface of the output end of the rotary motor 41. The spiral plate 43 is fixedly installed on the circumferential surface of the conveying roller 42. The feeding pipe 44 is fixedly installed on the circumferential surface of the conveying bin 3. At the bottom of the feeding pipe 44, there is a discharge port. The top plate 45 is fixedly installed on the top of the feeding pipe 44. On the surface of the top plate 45, there is a feeding port. The guiding plate 46 is slidably installed on the inner wall of the feeding pipe 44. The fixing plate 47 is fixedly installed on the inner wall of the feeding pipe 44. The baffle plate 48 is slidably installed at the bottom of the top plate 45. The vertical rod 49 is fixedly installed on the top of the guiding plate 46. The triangular block 410 is fixedly installed at the bottom of the baffle plate 48. On the surface of the triangular block 410, there is a square groove. One end of the transmission rod 411 is fixedly installed on the surface of the vertical rod 49, and the other end of the transmission rod 411 is slidably installed on the inner wall of the square groove, which reduces the speed of straw entering the feeding pipe 44, prevents the straw inside the feeding pipe 44 from being blocked due to excessive accumulation of straw during continuous feeding, which may cause damage to the device, improves the stability of the device during operation, and restores the original feeding speed. The device can automatically adjust the size of the feeding port according to the accumulation degree of straw inside the feeding pipe 44, without manual operation, and improves the automation degree of the device.

[0030] Between the fixing plate 47 and the guiding plate 46, there is a first spring 412. The baffle plate 48 is in contact with the feeding port, and the first spring 412 drives the guiding plate 46 to reset.

[0031] During the operation of this embodiment: The straw is placed inside the feed pipe 44, and the straw falls into the inside of the conveying bin 3 through the feed pipe 44. Subsequently, the rotary motor 41 is started. The rotation of the output end of the rotary motor 41 will drive the conveying roller 42 to rotate. The rotation of the conveying roller 42 will drive the spiral plate 43 to rotate. The rotation of the spiral plate 43 will drive the straw to move and squeeze the straw before conveying it. The working efficiency is relatively high and the practicability is strong. When too much straw accumulates inside the feed pipe 44, the accumulated straw will squeeze the guide plate 46 to move downward. The downward movement of the guide plate 46 will drive the vertical rod 49 to move downward. The downward movement of the vertical rod 49 will drive the transmission rod 411 to move inside the square groove. The downward movement of the transmission rod 411 will drive the triangular block 410 to move away from the vertical rod 49. The movement of the triangular block 410 will drive the baffle plate 48 to move towards the feed port. The movement of the baffle plate 48 will block part of the feed port, reducing the speed at which the straw enters the feed pipe 44 and preventing the straw inside the device from being blocked and the device from being damaged when continuing to feed when too much straw accumulates inside the feed pipe 44, improving the stability of the device during operation. After the straw on the top of the guide plate 46 gradually completes feeding, the first spring 412 resets to drive the guide plate 46 to move upward. The upward movement of the guide plate 46 will drive the vertical rod 49 to move upward. The upward movement of the vertical rod 49 will drive the transmission rod 411 to move inside the square groove. The upward movement of the transmission rod 411 will drive the triangular block 410 to move towards the vertical rod 49. The movement of the triangular block 410 will drive the baffle plate 48 to move away from the feed port. After the baffle plate 48 moves, it no longer blocks the feed port, restoring the original feeding speed. This device can automatically adjust the size of the feed port according to the accumulation degree of the straw inside the feed pipe 44 without manual operation, improving the automation degree of the device.

[0032] Please refer to Figures 1 - 8, on the basis of the above embodiments, in another embodiment of the present invention, a screening device and a recycling device are provided inside the storage warehouse 1. Among them, the screening device includes: a servo motor 51, a rotating roller 52, a material dredging roller 53, a material screening plate 54, a recycling box 55, a square block 56, an arc block 57 and a sliding rod 58. The servo motor 51 is fixedly installed on the surface of the feed pipe 44. The output end of the servo motor 51 rotates through the inner and outer walls of the feed pipe 44. The rotating roller 52 is fixedly installed on the surface of the output end of the servo motor 51. The end of the rotating roller 52 away from the servo motor 51 is rotatably installed on the inner wall of the feed pipe 44. The material dredging roller 53 is fixedly installed on the circumferential surface of the rotating roller 52. The material screening plate 54 is slidably installed on the inner wall of the feed pipe 44. The recycling box 55 is fixedly installed on the inner wall of the feed pipe 44. The square block 56 is fixedly installed at the bottom of the diversion plate 46. This device will screen out small materials mixed in the straw, preventing the small materials from causing the straw after pressing to be loose, and ensuring the stability of the subsequent device during operation. The arc block 57 is fixedly installed at the bottom of the square block 56. The sliding rod 58 is slidably installed on the inner wall of the recycling box 55. By reciprocating the movement of the material screening plate 54 to drive the reciprocating movement of the straw at the top, the screening effect of the device when screening the straw is improved.

[0033] A second spring is arranged between the sliding rod 58 and the recycling box 55. The material screening plate 54 contacts the sliding rod 58, and the second spring drives the sliding rod 58 to reset.

[0034] The arc block 57 contacts the material screening plate 54. A third spring is arranged between the material screening plate 54 and the feed pipe 44, and the third spring drives the screening plate 54 to reset.

[0035] The recycling device includes: a storage box 61, a cabinet door 62, a rotating shaft 63, an electric push rod 64 and a scraping plate 65. The storage box 61 is fixedly installed on the side of the feed pipe 44 away from the servo motor 51. The cabinet door 62 is rotatably installed on the surface of the storage box 61. The rotating shaft 63 is rotatably installed on the surface of the storage box 61. The electric push rod 64 is fixedly installed on the surface of the feed pipe 44. The output end of the electric push rod 64 slides through the inner and outer walls of the feed pipe 44 and the recycling box 55. The scraping plate 65 is slidably installed on the output end of the electric push rod 64, which can collect and recycle the screened materials centrally, improving the practicability and working efficiency of the device.

[0036] The recycling device further includes: a round rod 66, a transmission arc block 67, a cross bar 68, an arc rod 69, and a top rod 610. The round rod 66 is fixedly installed at both ends of the scraper 65. The transmission arc block 67 is fixedly installed at the bottom of the sliding rod 58. The cross bar 68 is fixedly installed on the inner wall of the recycling frame 55. The arc rod 69 is rotatably installed at one end of the cross bar 68 close to the storage box 61. The top rod 610 is fixedly installed at the bottom of the cross bar 68, preventing the scraper 65 from taking the materials away from the storage box 61, causing some materials to not be collected, and improving the practicality of the device.

[0037] A torsion spring is arranged between the arc rod 69 and the cross bar 68. The round rod 66 contacts the arc rod 69, and the arc rod 69 is driven to reset by the torsion spring.

[0038] When this embodiment works: After passing through the guide plate 46, the straw continues to move downward. When the straw continues to move, it will fall on the top of the screening plate 54. According to the inclined plane design of the screening plate 54, the straw continues to slide downward on the top of the screening plate 54. When the straw moves, the rice husks or other materials mixed inside the straw will fall into the inside of the recycling frame 55 through the screening plate 54. The output end of the servo motor 51 rotates to drive the rotating roller 52 to rotate. The rotation of the rotating roller 52 drives the material-unclogging roller 53 to rotate. The rotation of the material-unclogging roller 53 drives the straw falling on the top to move downward. This device will screen out the small materials mixed inside the straw, preventing the small materials from causing the straw after briquetting to be loose, ensuring the stability of the subsequent device during operation. The downward movement of the guide plate 46 drives the square block 56 to move downward. The movement of the square block 56 drives the arc block 57 to move downward. The downward movement of the arc block 57 contacts the screening plate 54. The downward movement of the arc block 57 drives the screening plate 54 to move downward. Subsequently, the screening plate 54 is driven to move upward by the reset of the third spring. The reciprocating movement of the screening plate 54 drives the straw on the top to reciprocate, improving the screening effect of the device when screening the straw.

[0039] Start the electric push rod 64. The movement of the output end of the electric push rod 64 will drive the reciprocating movement of the scraper 65. The reciprocating movement of the scraper 65 will push the materials falling into the inside of the recycling box 55 into the inside of the storage box 61. The sieve plate 54 moves downward to drive the sliding rod 58 to move downward. The downward movement of the sliding rod 58 drives the transmission arc block 67 to move downward. The downward movement of the transmission arc block 67 will push the materials at the bottom corner away from the dead corner, preventing the materials at the dead corner from being difficult to clean due to the limited movement range of the output end of the electric push rod 64. Manually rotate the rotating shaft 63 downward. After the rotation of the rotating shaft 63, it no longer blocks the cabinet door 62, so that the cabinet door 62 can be opened to process the materials inside the storage box 61. The screened materials can be centralized and uniformly recycled, improving the practicability and working efficiency of the device. The movement of the scraper 65 will drive the round rod 66 to reciprocate. When the round rod 66 moves in the direction of the electric push rod 64, the round rod 66 contacts the arc-shaped rod 69. The arc-shaped rod 69 is blocked by the ejector rod 610 so that the arc-shaped rod 69 cannot rotate downward. The round rod 66 is blocked by the arc-shaped rod 69 so that the round rod 66 moves upward. The movement of the round rod 66 drives the scraper 65 to move upward. The round rod 66 continues to move along the cross bar 68 in the direction away from the storage box 61, so that the scraper 65 does not contact the bottom of the recycling box 55 when moving in the direction away from the storage box 61, preventing the scraper 65 from taking the materials away from the storage box 61 and causing some materials to fail to be collected, improving the practicability of the device.

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated stereoscopic warehouse for straw briquette fuel, comprising a storage warehouse (1), characterized in that: Inside the storage warehouse (1), there are support legs (2) provided. At the top of the support legs (2), a conveying bin (3) is fixedly installed. Inside the storage warehouse (1), a feeding device, a screening device and a recycling device are provided; Among them, the feeding device includes: a rotating motor (41), a conveying roller (42), a spiral plate (43), a feeding pipe (44), a top plate (45), a guiding plate (46), a fixing plate (47), a baffle plate (48), a vertical rod (49), a triangular block (410) and a transmission rod (411). The rotating motor (41) is fixedly installed on the surface of the conveying bin (3). The output end of the rotating motor (41) rotates through the inner and outer walls of the conveying bin (3). The conveying roller (42) is fixedly installed on the surface of the output end of the rotating motor (41). The spiral plate (43) is fixedly installed on the circumferential surface of the conveying roller (42). The feeding pipe (44) is fixedly installed on the circumferential surface of the conveying bin (3). At the bottom of the feeding pipe (44), a discharge port is opened. The top plate (45) is fixedly installed on the top of the feeding pipe (44). On the surface of the top plate (45), a feeding port is opened. The guiding plate (46) is slidably installed on the inner wall of the feeding pipe (44). The fixing plate (47) is fixedly installed on the inner wall of the feeding pipe (44). The baffle plate (48) is slidably installed at the bottom of the top plate (45). The vertical rod (49) is fixedly installed on the top of the guiding plate (46). The triangular block (410) is fixedly installed at the bottom of the baffle plate (48). On the surface of the triangular block (410), a square groove is opened. One end of the transmission rod (411) is fixedly installed on the surface of the vertical rod (49). The other end of the transmission rod (411) is slidably installed on the inner wall of the square groove; A first spring (412) is arranged between the fixing plate (47) and the guiding plate (46). The baffle plate (48) is in contact with the feeding port; The screening device includes: a servo motor (51), a rotating roller (52), a material dredging roller (53), a screening plate (54), a recycling frame (55), a square block (56), an arc block (57) and a sliding rod (58). The servo motor (51) is fixedly installed on the surface of the feeding pipe (44). The output end of the servo motor (51) rotates through the inner and outer walls of the feeding pipe (44). The rotating roller (52) is fixedly installed on the surface of the output end of the servo motor (51). The end of the rotating roller (52) far away from the servo motor (51) is rotatably installed on the inner wall of the feeding pipe (44). The material dredging roller (53) is fixedly installed on the circumferential surface of the rotating roller (52). The screening plate (54) is slidably installed on the inner wall of the feeding pipe (44). The recycling frame (55) is fixedly installed on the inner wall of the feeding pipe (44). The square block (56) is fixedly installed at the bottom of the guiding plate (46). The arc block (57) is fixedly installed at the bottom of the square block (56). The sliding rod (58) is slidably installed on the inner wall of the recycling frame (55); A second spring is provided between the sliding rod (58) and the recovery box (55), and the screening plate (54) is in contact with the sliding rod (58).

2. The automated stereoscopic warehouse for straw briquette fuel according to claim 1, characterized in that: The arc-shaped block (57) is in contact with the screening plate (54), and a third spring is provided between the screening plate (54) and the feed pipe (44).

3. An automated stereoscopic warehouse for straw briquette fuel according to claim 2, characterized in that: The recovery device includes: a storage box (61), a cabinet door (62), a rotating shaft (63), an electric push rod (64) and a scraping plate (65). The storage box (61) is fixedly installed on one side of the feed pipe (44) away from the servo motor (51). The cabinet door (62) is rotatably installed on the surface of the storage box (61). The rotating shaft (63) is rotatably installed on the surface of the storage box (61). The electric push rod (64) is fixedly installed on the surface of the feed pipe (44). The output end of the electric push rod (64) slidably penetrates the inner and outer walls of the feed pipe (44) and the recovery box (55), and the scraping plate (65) is slidably installed at the output end of the electric push rod (64).

4. An automated stereoscopic warehouse for straw briquette fuel according to claim 3, characterized in that: The recovery device further includes: a round rod (66), a transmission arc block (67), a cross bar (68), an arc-shaped rod (69) and a top rod (610). The round rod (66) is fixedly installed at both ends of the scraping plate (65). The transmission arc block (67) is fixedly installed at the bottom of the sliding rod (58). The cross bar (68) is fixedly installed on the inner wall of the recovery box (55). The arc-shaped rod (69) is rotatably installed at one end of the cross bar (68) close to the storage box (61). The top rod (610) is fixedly installed at the bottom of the cross bar (68).

5. An automated stereoscopic warehouse for straw briquette fuel according to claim 4, characterized in that: A torsion spring is provided between the arc-shaped rod (69) and the cross bar (68), and the round rod (66) is in contact with the arc-shaped rod (69).

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