Bucket elevator

Abstract

The invention discloses a bucket elevator, which belongs to the technical field of elevators and comprises a shell, a hopper and a transmission system, and the transmission system comprises a transmission belt, a driving wheel, a driven wheel and a transmission motor which are annularly arranged; the multiple hoppers are arranged in the conveying direction of the transmission belt, the transmission belt is provided with installation assemblies in one-to-one correspondence with the hoppers, each installation assembly comprises an installation rod fixedly installed on the transmission belt, and the hoppers are in sliding fit with the installation rods. The shell is provided with a feeding port and a discharging port, the feeding port and the discharging port are each provided with a material pulling assembly, each material pulling assembly comprises a material pulling telescopic cylinder and a material pulling rod, and the material pulling telescopic cylinders are installed on the shell and used for driving the material pulling rods to move in the direction close to or away from the transmission belt; a discharging opening is formed in the bottom of the hopper, the hopper is in sliding fit with a discharging baffle for opening and closing the discharging opening, and a pushing assembly is further arranged at the discharging opening. The grain conveying device has the effects that grain materials are not prone to being accumulated in the shell during conveying, and the grain material conveying efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of elevators, in particular to a bucket elevator. Background Art

[0002] Bucket elevator is a commonly used vertical conveying equipment that can quickly and stably convey materials such as granules, powders or bulk materials from low places to high places. In the process of conveying grains, bucket elevators can effectively lift grains from the ground or low places to high places, such as storage bins, processing equipment or other high working areas. This vertical conveying capability greatly saves space and human resources and improves production efficiency.

[0003] Bucket elevators used for grain transportation usually include a shell, a hopper and a transmission system, wherein a feed port is opened at the bottom of the shell, and a discharge port is opened at the top. The hopper is used to hold the grain material, and the transmission system is used to drive the hopper to transport it from the bottom to the top. When the hopper holds the grain through the feed port and then transports it to the discharge port, the hopper flips over to send the grain material out through the discharge port.

[0004] With respect to the above-mentioned related technologies, when the grain material is put into the hopper through the feed port, the grain material is easily dropped into the shell due to the gap between the shell and the hopper, causing the grain material to accumulate in the shell, thus affecting the conveying effect of the grain material. Summary of the invention

[0005] In order to prevent grain materials from being easily accumulated in a shell during transportation and to improve the transportation effect of grain materials, the present application provides a bucket elevator.

[0006] The bucket elevator provided in this application adopts the following technical solution: A bucket elevator comprises a shell, a hopper and a transmission system, wherein the transmission system comprises a ring-shaped transmission belt, a driving wheel, a driven wheel and a transmission motor, wherein the driving wheel and the driven wheel are both rotatably mounted on the shell and distributed in the vertical direction, the transmission belt is wound around the driving wheel and the driven wheel, and the transmission motor is used to drive the driving wheel to rotate; a plurality of hoppers are arranged along the conveying direction of the transmission belt, the transmission belt is provided with a mounting assembly corresponding to the hoppers, the mounting assembly comprises a mounting rod fixedly mounted on the transmission belt, and the hopper is slidably matched with the mounting rod; the shell is provided with a A feed port and a discharge port are provided, and the feed port and the discharge port are distributed from bottom to top in the vertical direction. The top of the hopper is open. Pulling components are provided at the feed port and the discharge port. The pulling components include a pulling telescopic cylinder and a pulling rod. The pulling telescopic cylinder is installed on the shell and is used to drive the pulling rod to move toward or away from the transmission belt. The pulling rod is used to be connected to or not connected with the hopper. A discharge port is provided at the bottom of the hopper. The hopper is slidably matched with a discharge baffle for opening and closing the discharge port. A pushing component for reciprocatingly pushing the discharge baffle is also provided at the discharge port.

[0007] By adopting the above technical scheme, when the hopper is transported to a position close to the feed port through the transmission belt, the pulling rod is driven to move by the pulling telescopic cylinder at the feed port so that the pulling rod is connected to the hopper and drives the hopper to move toward the feed port, thereby reducing the gap between the hopper and the inner wall of the shell. When loading the hopper through the feed port, the material is not easy to fall into the shell from the gap between the shell and the hopper, and the grain material is not easy to accumulate in the shell during loading and transportation, which is beneficial to improving the grain material transportation effect. The discharge baffle is pushed at the discharge port to realize the discharge of the material in the hopper, which is convenient and fast.

[0008] Optionally, the pulling rod includes a pulling fixed part and a pulling rotating part, the pulling fixed part is fixedly installed on the piston rod of the pulling telescopic cylinder, the pulling rotating part is rotatably installed on the top of the pulling fixed part, the pulling fixed part is provided with a pulling torsion spring for driving the pulling rotating part to rotate toward the hopper, and the side of the hopper facing the pulling rod is provided with a pulling connecting groove matching the pulling rotating part.

[0009] By adopting the above technical scheme, when the material pulling telescopic cylinder drives the material pulling fixed part to move toward the direction close to the hopper, the material pulling rotating part rotates in the direction away from the hopper. When the material pulling rotating part is inserted into the material pulling connecting groove, the material pulling fixed part is driven to move by the material pulling telescopic cylinder so that the material pulling rotating part drives the hopper to move synchronously in the direction away from the transmission belt. When the hopper is loaded or discharged, the material pulling telescopic cylinder drives the hopper to move in the direction close to the transmission belt and the transmission belt drives the hopper to separate from the material pulling rotating part and circulate it, which is convenient and fast.

[0010] Optionally, the material pulling fixing portion is fixedly provided with a material pulling limiting plate, and the material pulling limiting plate is located on the side of the material pulling rotating portion facing the hopper.

[0011] By adopting the above technical solution, the material pulling limit plate plays a role in limiting the rotation of the material pulling rotating part, which is beneficial to limit the position of the material pulling rotating part, and further facilitates more stable driving of the hopper through the material pulling rotating part.

[0012] Optionally, the mounting rod is provided with a return spring, one end of the return spring is connected to the mounting rod, and the other end is connected to the hopper.

[0013] By adopting the above technical solution, the setting of the return spring is conducive to fully ensuring the stability of the hopper when it receives or discharges materials and moves to a position close to the transmission belt, so that the hopper is not easy to slide along the mounting rod in normal state, which is convenient for further ensuring the stable transportation of grain materials in the shell.

[0014] Optionally, a mounting baffle is fixedly mounted on the mounting rod, and the mounting baffle is located on a side of the hopper close to the transmission belt.

[0015] By adopting the above technical solution, the baffle is installed to limit the position of the hopper after the resetting movement, which is beneficial to further ensure the stability of the position of the hopper when it is in a normal state.

[0016] Optionally, the pushing assembly includes a first pushing cylinder, a pushing rack, a second pushing cylinder and a pushing connecting piece, the first pushing cylinder is horizontally installed on one side of the shell, the pushing rack is installed on the piston rod of the first pushing cylinder, the second pushing cylinder is vertically installed on the pushing rack, and the pushing connecting piece is installed on the piston rod of the second pushing cylinder.

[0017] By adopting the above technical solution, the first pushing cylinder drives the pushing rack to move in the horizontal direction. When the second pushing cylinder pushes to the bottom of one of the hoppers, the second pushing cylinder drives the pushing connecting piece to move in the vertical direction so that the pushing connecting piece is connected to the discharge baffle of one of the hoppers. Then, the first pushing cylinder drives the pushing rack to reciprocate in the horizontal direction to finally realize the reciprocating push of the discharge baffle, thereby facilitating the quick and clean discharge of grain materials from the hopper.

[0018] Optionally, a connecting groove corresponding to the material pushing connecting piece and plugging with the material pushing connecting piece is formed at the bottom of the material discharging baffle.

[0019] By adopting the above technical solution, the plug-in cooperation between the connecting groove and the material pushing connecting piece facilitates the rapid and stable connection between the material pushing connecting piece and the material discharging baffle.

[0020] Optionally, the discharge baffle includes a discharge sliding portion and a discharge stopping portion, the discharge sliding portion is passed through and slidably engaged with the hopper, the discharge stopping portion is fixedly mounted at one end of the discharge sliding portion and is located outside the hopper, the connecting groove is opened at the bottom of the discharge stopping portion, and a mutually attractive magnetic suction component is arranged between the hopper and the discharge stopping portion.

[0021] By adopting the above technical solution, the setting of the discharge stop part facilitates the rapid and stable movement of the discharge baffle to the position where the discharge port of the hopper is closed. The further set magnetic suction component is conducive to ensuring the stability of the position of the discharge baffle when the discharge port of the hopper is closed.

[0022] Optionally, an exhaust fan is provided in the shell, and the exhaust fan is arranged close to the discharge port and is used for blowing air toward the discharge port.

[0023] By adopting the above technical solution, the provision of the exhaust fan facilitates further rapid and stable discharge of the grain material in the hopper from the hopper at the discharge port.

[0024] Optionally, a feed guide plate is obliquely arranged in the shell, and when the pulling assembly at the feed port pulls the hopper to a position close to the feed port, the feed guide plate is obliquely arranged toward the opening at the top of the hopper.

[0025] By adopting the above technical solution, the feed guide plate plays a further guiding role when feeding the material, making it easier to more stably feed the grain material into the hopper through the feed port for transportation.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The pulling rod is driven by the pulling telescopic cylinder to move so that after the pulling rod is connected to the hopper, it drives the hopper to move toward the direction close to the feed port, thereby reducing the gap between the hopper and the inner wall of the shell, making it difficult for the material to fall into the shell from the gap between the shell and the hopper, and thus making it difficult for the grain material to accumulate in the shell during feeding and conveying, which is beneficial to improving the grain material conveying effect, and the discharge of the material in the hopper can be achieved by pushing the discharge baffle at the discharge port, which is convenient and fast.

[0027] 2. The setting of the return spring is conducive to fully ensuring the stability of the hopper when it is carrying or discharging materials and moves close to the position of the transmission belt, so that the hopper is not easy to slide along the mounting rod in normal state, which is convenient for further ensuring the stable transportation of grain materials in the shell.

[0028] 3. The second pushing cylinder drives the pushing connecting piece to move in the vertical direction so that the pushing connecting piece is connected to the discharge baffle of one of the hoppers. Then, the first pushing cylinder drives the pushing frame to reciprocate in the horizontal direction to finally realize the reciprocating push of the discharge baffle, thereby facilitating the quick and clean discharge of the grain material from the hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0030] Figure 2 It is a schematic diagram of the main structure of the transmission system in the embodiment of the present application.

[0031] Figure 3 It is a partial cross-sectional schematic diagram of the hopper in the embodiment of the present application.

[0032] Figure 4 It is a schematic diagram of the main structure of the material pulling assembly in the embodiment of the present application.

[0033] Figure 5 yes Figure 4 A partial enlarged schematic diagram of part A.

[0034] Figure 6 It is a schematic diagram of the main structure of the pusher assembly in the embodiment of the present application.

[0035] Figure 7 yes Figure 6 A partial enlarged schematic diagram of part B.

[0036] Description of reference numerals: 1. Shell; 2. Hopper; 3. Drive belt; 4. Driving wheel; 5. Driven wheel; 6. Drive motor; 7. Mounting rod; 8. Wing plate; 9. Mounting chute; 10. Discharge port; 11. Discharge baffle; 111. Discharge sliding part; 112. Discharge stop part; 12. First magnetic attraction; 13. Second magnetic attraction; 14. Feed port; 15. Discharge port; 16. Pulling telescopic cylinder; 17. Pulling rod; 171. Pulling fixed Fixed part; 172, material pulling rotating part; 18, material pulling torsion spring; 19, material pulling limit plate; 20, material pulling connecting piece; 201, material pulling horizontal part; 202, material pulling vertical part; 21, material pulling connecting groove; 22, material feeding guide plate; 23, return spring; 24, installation baffle; 25, first material pushing cylinder; 26, material pushing rack; 27, second material pushing cylinder; 28, material pushing connecting piece; 29, connecting groove; 30, exhaust fan. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1-7 This application is described in further detail.

[0038] The present application embodiment discloses a bucket elevator. Figure 1 and Figure 2 The bucket elevator includes a shell 1, a hopper 2 and a transmission system, wherein the transmission system includes a ring-shaped transmission belt 3, a driving wheel 4, a driven wheel 5 and a transmission motor 6. The driving wheel 4 and the driven wheel 5 are both rotatably mounted on the shell 1 and distributed in the vertical direction. The transmission belt 3 is wound around the driving wheel 4 and the driven wheel 5. The transmission motor 6 is used to drive the driving wheel 4 to rotate. When the driving wheel 4 rotates, the circulation of the transmission belt 3 is realized.

[0039] Reference Figure 2 and Figure 3 There are multiple hoppers 2 along the conveying direction of the transmission belt 3. To facilitate the connection between the hopper 2 and the transmission belt 3, the transmission belt 3 is provided with mounting components corresponding to the hoppers 2. The mounting components include mounting rods 7 fixedly installed on the transmission belt 3. Each group of mounting rods 7 is provided with two. A wing plate 8 is fixedly connected to both sides of the hopper 2. The bottom of the two wing plates 8 is provided with mounting grooves 9. The two mounting rods 7 of each group of mounting components are respectively penetrated and slidably matched with the mounting grooves 9 of the two wing plates 8, so that the hopper 2 can slide along the length direction of the mounting rods 7.

[0040] Reference Figure 3 The top of the hopper 2 is open and a discharge port 10 is provided at the bottom. The hopper 2 is slidably equipped with a discharge baffle 11 for opening and closing the discharge port 10. Specifically, the discharge baffle 11 includes a discharge sliding portion 111 and a discharge shifting portion 112. The discharge sliding portion 111 is penetrated and slidably equipped with the hopper 2 so that the discharge sliding portion 111 can realize the opening and closing of the discharge port 10. The discharge stop portion 112 is fixedly installed at one end of the discharge sliding portion 111 and is located outside the hopper 2. A mutually attractive magnetic attraction component is arranged between the hopper 2 and the discharge stop portion 112. The magnetic attraction component includes a first magnetic component 12 and a second magnetic component 13. The first magnetic component 12 is embedded and installed on the side of the hopper 2 facing the discharge stop portion 112, and the second magnetic component 13 is embedded and installed on the side of the discharge stop portion 112 close to the hopper 2. The first magnetic component 12 and the second magnetic component 13 attract each other to ensure the stability of the relative position between the discharge stop portion 112 and the hopper 2, which is beneficial to ensure the stability of the discharge baffle 11 when closing the discharge port 10 of the hopper 2.

[0041] Reference Figure 1 The shell 1 is provided with a feed port 14 and a discharge port 15. Specifically, the feed port 14 and the discharge port 15 are located on the same side of the shell 1 and are distributed from bottom to top in the vertical direction; Figure 4 and Figure 5, the feeding port 14 and the discharging port 10 are both provided with a material pulling assembly, which includes a material pulling telescopic cylinder 16 and a material pulling rod 17. The material pulling telescopic cylinder 16 is installed on the housing 1, and the piston rod of the material pulling telescopic cylinder 16 is horizontally penetrated and slidably matched with the housing 1. The material pulling rod 17 is installed on the piston rod of the material pulling telescopic cylinder 16 and is located in the housing 1, so that the material pulling telescopic cylinder 16 drives the material pulling rod 17 to move in the direction close to or away from the transmission belt 3. When the material pulling rod 17 is connected to the hopper 2, the material pulling rod 17 drives the hopper 2 to move synchronously in the direction close to or away from the transmission belt 3 along the length direction of the mounting rod 7 through the driving of the material pulling telescopic cylinder 16, thereby facilitating the loading or discharging of the hopper 2.

[0042] Reference Figure 5 Specifically, the pulling rod 17 includes a pulling fixed part 171 and a pulling rotating part 172, wherein the pulling fixed part 171 is fixedly installed on the piston rod of the pulling telescopic cylinder 16, and the pulling rotating part 172 is rotatably installed on the top of the pulling fixed part 171, and the pulling fixed part 171 is installed with a pulling torsion spring 18, and the other end of the pulling torsion spring 18 is connected to the pulling rotating part 172, and the pulling torsion spring 18 applies an elastic force to the pulling rotating part 172 to rotate toward the hopper 2. In order to ensure the stability of the position of the pulling rotating part 172 in the normal state, the pulling fixed part 171 is fixedly installed with a pulling limit plate 19, and the pulling limit plate 19 is located on the side of the pulling rotating part 172 facing the hopper 2. When the pulling rotating part 172 rotates to a vertical state, the pulling rotating part 172 contacts the side of the pulling limit plate 19, so that the pulling limit plate 19 plays a role in limiting the rotation of the pulling rotating part 172.

[0043] Continue to refer to Figure 5 A material pulling connector 20 is protruded on the side of the hopper 2 facing the material pulling rod 17. The material pulling connector 20 includes a material pulling horizontal portion 201 and a material pulling vertical portion 202. The material pulling horizontal portion 201 is fixedly mounted on the hopper 2, and the material pulling vertical portion 202 is fixedly mounted on the side of the material pulling horizontal portion 201 away from the hopper 2. The gap between the material pulling vertical portion 202 and the hopper 2 forms a material pulling connecting groove 21, and the material pulling connecting groove 21 cooperates with the material pulling rotating portion 172. Specifically, when the material pulling rod 17 moves toward the direction close to the hopper 2 and the material pulling rotating portion 172 contacts the material pulling vertical portion 202, the material pulling rotating portion 172 is rotated in the direction away from the hopper 2 by the component force. When the material pulling fixed portion 171 contacts one side of the hopper 2, the material pulling rotating portion 172 is reset under the elastic force of the material pulling torsion spring 18 and is located in the material pulling connecting groove 21, thereby realizing the connection between the material pulling rod 17 and the hopper 2.

[0044] Reference Figure 4A feed guide plate 22 is fixedly arranged in an inclined manner in the shell 1. The feed guide plate 22 is arranged at the feed port 14 of the shell 1. When the pulling rotating part 172 is connected to the hopper 2 and drives one of the hoppers 2 to move toward the feed port 14, that is, when the pulling component at the feed port 14 pulls the hopper 2 to a position close to the feed port 14, the lower end of the feed guide plate 22 is located at the opening at the top of the hopper 2, so as to further guide the grain material when it is fed into the hopper 2, so as to facilitate the more stable delivery of the grain material into the hopper 2 through the feed port 14 for transportation. When the hopper 2 is driven and moved to a position close to the transmission belt 3 by the pulling telescopic cylinder 16 and the pulling rod 17, the hopper 2 is driven by the transmission belt 3 to circulate and transport, so that the hopper 2 can be separated from the pulling rotating part 172 and continue to be transported synchronously with the transmission belt 3.

[0045] Reference Figure 3 and Figure 5 To further facilitate the resetting of the hopper 2 after the movement, each mounting rod 7 is provided with a resetting spring 23, wherein one end of the resetting spring 23 is fixedly connected to the mounting rod 7 and the other end is fixedly connected to one of the wing plates 8 of the hopper 2, so as to facilitate the resetting of the hopper 2 and further ensure the stability of the position of the hopper 2 after the resetting. Each mounting rod 7 is fixedly installed with a mounting baffle 24, which is located on the side of the hopper 2 close to the transmission belt 3. In normal state, the side of the hopper 2 close to the transmission belt 3 contacts the mounting baffle 24, so that the mounting baffle 24 plays a role in stabilizing the position of the hopper 2 after the resetting movement.

[0046] Reference Figure 6 and Figure 7 A pushing assembly for reciprocatingly pushing the discharge baffle 11 is also provided at the discharge port 10. Specifically, the pushing assembly includes a first pushing cylinder 25, a pushing rack 26, a second pushing cylinder 27 and a pushing connecting piece 28, wherein the first pushing cylinder 25 is horizontally installed on one side of the shell 1, the first pushing cylinder 25 and the pulling cylinder are respectively located on two adjacent sides of the shell 1 in the horizontal direction, and the pushing rack 26 is installed on the piston rod of the first pushing cylinder 25, so that the first pushing cylinder 25 drives the pushing rack 26 to move horizontally toward or away from the shell 1.

[0047] Reference Figure 7 The second push cylinder 27 is vertically mounted on the push frame 26 and is located in the housing 1. The push connector 28 is mounted on the piston rod of the second push cylinder 27, so that the second push cylinder 27 drives the push connector 28 to move in the vertical direction. A connecting groove 29 corresponding to the push connector 28 and plugged with the push connector 28 is provided at the bottom of the discharge stop portion 112, so that the push connector 28 and the discharge baffle 11 can be quickly and stably connected through the plug-in cooperation between the connecting groove 29 and the push connector 28.

[0048] Continue to refer to Figure 7 When the first push cylinder 25 drives the push frame 26 to move in the horizontal direction and the second push cylinder 27 pushes it to the bottom of one of the hoppers 2, the second push cylinder 27 drives the push connector 28 to move in the vertical direction so that the push connector 28 is inserted into the connection groove 29 of one of the discharge stop parts 112, thereby realizing the connection between the push connector 28 and the discharge baffle 11, and then the first push cylinder 25 drives the push frame 26 to reciprocate in the horizontal direction to finally realize the reciprocating push of the discharge baffle 11, thereby facilitating the quick and clean discharge of the grain material from the hopper 2. Back Figure 2 In order to discharge the grain material in the hopper 2 more quickly and cleanly, an exhaust fan 30 is further provided in the shell 1 . The exhaust fan 30 is arranged close to the discharge port 15 and is used for blowing air toward the discharge port 15 .

[0049] The implementation principle of a bucket elevator in the embodiment of the present application is as follows: when the hopper 2 is transported to a position close to the feed port 14 through the circulation of the transmission belt 3, the pulling rod 17 is driven to move through the pulling telescopic cylinder 16 at the feed port 14 so that the pulling rod 17 is connected to the hopper 2 through the cooperation of the pulling rotating part 172 and the pulling connecting groove 21, and then drives the hopper 2 to move toward the direction close to the feed port 14, which is beneficial to reducing the gap between the hopper 2 and the inner wall of the shell 1, so that when loading into the hopper 2 through the feed port 14, the material is not easy to fall into the shell 1 from the gap between the shell 1 and the hopper 2, and further, the grain material is not easy to accumulate in the shell 1 during loading and transportation, which is beneficial to improving the grain material transportation effect, and the discharge baffle 11 is pushed at the discharge port 10 to realize the discharge of the material in the hopper 2, which is convenient and fast.

[0050] In addition, when the hopper 2 is transported to a position close to the discharge port 15 by the circulation of the transmission belt 3, the movement of the pulling rod 17 is driven by the pulling telescopic cylinder 16 at the discharge port 15 so that the pulling rod 17 is connected to the hopper 2 through the cooperation of the pulling rotating part 172 and the pulling connecting groove 21, and then drives the hopper 2 to move toward the direction close to the discharge port 15. Subsequently, the pushing frame 26 is driven to move in the horizontal direction by the first pushing cylinder 25. When the second pushing cylinder 27 pushes to the bottom of one of the hoppers 2, the pushing connecting piece 28 is driven by the second pushing cylinder 27 to move in the vertical direction so that the pushing connecting piece 28 is inserted into one of the connecting grooves 29 to realize the connection with the discharge baffle 11 of one of the hoppers 2. Then, the pushing frame 26 is driven to reciprocate in the horizontal direction by the first pushing cylinder 25, and finally the discharge baffle 11 is pushed back and forth, thereby facilitating the quick and clean discharge of grain materials from the hopper 2.

[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A bucket elevator, comprising a housing (1), a hopper (2) and a transmission system, characterized in that: The transmission system comprises a transmission belt (3) arranged in an annular shape, a driving wheel (4), a driven wheel (5) and a transmission motor (6); the driving wheel (4) and the driven wheel (5) are both rotatably mounted on the housing (1) and distributed in a vertical direction; the transmission belt (3) is wound around the driving wheel (4) and the driven wheel (5); and the transmission motor (6) is used to drive the driving wheel (4) to rotate; A plurality of hoppers (2) are arranged along the conveying direction of the transmission belt (3); the transmission belt (3) is provided with mounting components arranged one-to-one corresponding to the hoppers (2); the mounting components include a mounting rod (7) fixedly mounted on the transmission belt (3); and the hopper (2) is slidably matched with the mounting rod (7); The shell (1) is provided with a feed inlet (14) and a discharge outlet (15), and the feed inlet (14) and the discharge outlet (15) are distributed from bottom to top in the vertical direction. The top of the hopper (2) is open. The feed inlet (14) and the discharge outlet (10) are both provided with a material pulling assembly. The material pulling assembly includes a material pulling telescopic cylinder (16) and a material pulling rod (17). The material pulling telescopic cylinder (16) is installed on the shell (1) and is used to drive the material pulling rod (17) to move in a direction close to or away from the transmission belt (3). The material pulling rod (17) is used to be connected to or not connected with the hopper (2); The hopper (2) is provided with a discharge port (10) at the bottom, and the hopper (2) is slidably matched with a discharge baffle (11) for opening and closing the discharge port (10). The discharge port (10) is also provided with a pushing assembly for reciprocatingly pushing the discharge baffle (11).

2. A bucket elevator according to claim 1, characterized in that: The material pulling rod (17) comprises a material pulling fixed portion (171) and a material pulling rotating portion (172), wherein the material pulling fixed portion (171) is fixedly mounted on the piston rod of the material pulling telescopic cylinder (16), and the material pulling rotating portion (172) is rotatably mounted on the top of the material pulling fixed portion (171), and the material pulling fixed portion (171) is provided with a material pulling torsion spring (18) for driving the material pulling rotating portion (172) to rotate toward the hopper (2), and a material pulling connecting groove (21) matching the material pulling rotating portion (172) is provided on the side of the material pulling rod (17) facing the material pulling rod.

3. A bucket elevator according to claim 2, characterized in that: The material pulling fixed portion (171) is fixedly mounted with a material pulling limit plate (19), and the material pulling limit plate (19) is located on the side of the material pulling rotating portion (172) facing the hopper (2).

4. A bucket elevator according to claim 1, characterized in that: The mounting rod (7) is provided with a return spring (23), one end of the return spring (23) is connected to the mounting rod (7), and the other end is connected to the hopper (2).

5. A bucket elevator according to claim 4, characterized in that: The mounting rod (7) is fixedly mounted with a mounting baffle (24), and the mounting baffle (24) is located on a side of the hopper (2) close to the transmission belt (3).

6. A bucket elevator according to claim 1, characterized in that: The pushing assembly comprises a first pushing cylinder (25), a pushing frame (26), a second pushing cylinder (27) and a pushing connecting piece (28), wherein the first pushing cylinder (25) is horizontally mounted on one side of the housing (1), the pushing frame (26) is mounted on the piston rod of the first pushing cylinder (25), the second pushing cylinder (27) is vertically mounted on the pushing frame (26), and the pushing connecting piece (28) is mounted on the piston rod of the second pushing cylinder (27).

7. A bucket elevator according to claim 6, characterized in that: The bottom of the material discharging baffle (11) is provided with a connecting groove (29) corresponding to the material pushing connecting piece (28) and plug-fitting with the material pushing connecting piece (28).

8. A bucket elevator according to claim 7, characterized in that: The material discharging baffle (11) comprises a material discharging sliding portion (111) and a material discharging stop portion (112); the material discharging sliding portion (111) is penetrated and slidably matched with the hopper (2); the material discharging stop portion (112) is fixedly mounted on one end of the material discharging sliding portion (111) and is located outside the hopper (2); the connecting groove (29) is provided at the bottom of the material discharging stop portion (112); and a magnetic attraction component for attracting each other is provided between the hopper (2) and the material discharging stop portion (112).

9. The bucket elevator according to claim 1, characterized in that: An exhaust fan (30) is arranged in the housing (1); the exhaust fan (30) is arranged close to the discharge port (15) and is used to blow air toward the discharge port (15).

10. The bucket elevator according to claim 1, characterized in that: A feed guide plate (22) is arranged obliquely in the shell (1); when the pulling assembly at the feed port (14) pulls the hopper (2) to a position close to the feed port (14), the feed guide plate (22) is arranged obliquely toward the opening at the top of the hopper (2).

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