A raw material collecting device for polyester polyol

Abstract

The invention discloses a raw material collection device for polyester polyol, belonging to the technical field of polyester polyol production components, including a collection bin, a sealing cover on the top of the collection bin is fixedly connected with a feed pipe, a moving pipe in the feed pipe is provided with a spiral rod, a feed pipe and a discharge pipe provided in the feed pipe are used in conjunction with the feed hole of the moving pipe, a lifting structure is provided on the top of the sealing cover, a bottom plate structure is provided at the bottom of the collection bin, the bottom plate structure includes an outer shell and a vibrating bucket driven by a power structure, a cleaning rod is slidably provided on the outer shell, a connecting platform is rotated at the center of the outer shell, a clamping structure used in conjunction with a clamping column in a cylindrical groove of the outer shell is provided at the bottom of the spiral rod, and a water storage device is provided at the bottom of the collection bin, and the water in the water storage device can be sprayed out through the cylindrical groove and the top of the connecting platform where the moving pipe is inserted. The invention can effectively solve the problems of raw material adhesion, agglomeration, bubble generation, equipment damage and incomplete cleaning that may occur during raw material transportation, storage, discharge and cleaning.

Description

Technical Field

[0001] The invention relates to the technical field of polyester polyol production components, in particular to a raw material collecting device for polyester polyol. Background Art

[0002] Polyester polyols include conventional polyester polyols, polycaprolactone polyols and polycarbonate diols, and their molecular structures contain ester groups or carbonate groups. However, in practical applications, polyester polyols generally referred to are polyester polyols prepared by polycondensation reactions of dicarboxylic acids and diols and other raw materials. The raw material collecting device for polyester polyols is suitable for storage, transportation and sealing of raw materials. For example, a raw material collecting device suitable for polyester polyols is provided in patent document No. CN203903495U.

[0003] When raw materials fall from a height, the acceleration of gravity will generate a large impact force, which will not only damage the structure at the bottom of the storage bin, but also cause frictional heat due to collision, aggravating the adhesion and agglomeration of raw materials. In addition, liquid polyols will also produce a large number of bubbles due to falling from a height, thus affecting the storage stability; at the same time, raw materials such as polyols and dicarboxylic acids are prone to accumulate and adhere at the bottom of the storage bin, especially in long-term storage or high-humidity environments, which are more likely to cause agglomeration or solidification problems, thereby adversely affecting the subsequent discharge process; in addition, raw materials that are not discharged smoothly will also solidify and adhere to the bin wall to form stubborn agglomerates, which are not only difficult to clean, but also cause the effective volume of the equipment to decrease, and long-term accumulation of residues will also cause corrosion or wear of the inner wall of the equipment, thereby increasing maintenance costs. Summary of the invention

[0004] The purpose of the present invention is to effectively solve the problems of raw material adhesion, agglomeration, bubble generation, equipment damage and incomplete cleaning that may occur during raw material transportation, storage, discharge and cleaning.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a raw material collection device for polyester polyols, comprising a collection bin, a sealing cover on the top of the collection bin is fixedly connected to a feed pipe, a moving pipe slides in the feed pipe, a spiral rod driven by a motor is arranged in the moving pipe, a feed pipe and a discharge pipe are arranged on one side of the feed pipe and are used in conjunction with the feed hole of the moving pipe, and a lifting structure for driving the moving pipe to slide up and down is arranged on the top of the sealing cover;

[0006] A bottom plate structure with a vibration function is provided at the bottom of the collecting bin, and the bottom plate structure includes a shell and a vibration bucket driven by a power structure, and the shell slides up and down with a plurality of cleaning rods driven by the vibration bucket, and a connecting table into which a moving pipe is inserted rotates at the center of the shell, and a clamping structure is provided at the bottom of the spiral rod for use with a clamping column in a cylindrical groove of the shell;

[0007] A water storage device is arranged at the bottom of the aggregate bin, and water in the water storage device can be sprayed out through the cylindrical groove and the top of the connecting platform where the movable pipe is inserted.

[0008] As a further description of the above technical solution: the lifting structure includes a lifting motor installed on the top of the sealing cover, the outer ring of the moving tube is provided with a lifting tooth groove, and the output end of the lifting motor is fixed with a driving gear that penetrates the feed pipe and meshes with the lifting tooth groove.

[0009] As a further description of the above technical solution: a rotating motor is installed on the top of the inner cavity of the moving tube, the output end of the rotating motor is fixedly connected to the spiral rod passing through the moving tube, and a plurality of feeding holes are arranged at the bottom of the moving tube.

[0010] As a further description of the above technical solution: the vibration bucket is slidably connected to the side wall of the inner cavity of the shell, and the power structure includes a synchronous gear ring rotatably connected to the bottom wall of the inner cavity of the shell, and the synchronous gear ring is meshed with a plurality of vibration gears rotating on the bottom wall of the inner cavity of the shell.

[0011] As a further description of the above technical solution: the top of the vibration gear is fixedly connected to a top rod in contact with the vibration bucket, a vibration motor is installed in the inner cavity of the shell, and the vibration gear is meshed with a rotating gear at the output end of the vibration motor.

[0012] As a further description of the above technical solution: the clamping structure includes a moving rod sliding in the strip holes on both sides of the cylindrical hole, a moving block extending to the cylindrical hole is fixed on one side of the moving rod, and a clamping ring is slidably provided on the outer ring of the clamping column fixed in the cylindrical groove.

[0013] As a further description of the above technical solution: a clamping joint is provided on the top of the clamping column, and inclined surfaces with the same angle are provided on the upper and lower sides of the clamping ring, as well as the bottom of the moving block and the clamping column, and the outer ring fixing sleeve of the moving rod is provided with a return spring fixed to the inner wall of the strip space and the moving block on both sides respectively.

[0014] As a further description of the above technical solution: the center of the shell is rotatably connected to the connecting platform, the top of the connecting platform is provided with an arc hole into which the movable tube is inserted, the arc hole is provided with a plurality of first nozzles connected to the inner cavity of the connecting platform, and the cylindrical groove is provided with a second nozzle connected to the inner cavity of the shell.

[0015] As a further description of the above technical solution: a water inlet pipe communicating with the inner cavity of the shell is provided at the bottom of the shell, the water storage device includes a water storage tank fixed at the bottom of the aggregate bin, and the water storage tank is provided with a water pipe penetrating the aggregate bin and clamped with the water inlet pipe.

[0016] As a further description of the above technical solution: the contact surface between the shell and the connecting platform is provided with a plurality of first water delivery holes communicating with the inner cavity of the shell, and the contact surface between the connecting platform and the shell is provided with a rectangular hole communicating with the inner cavity of the connecting platform.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0018] 1. The moving tube and the spiral rod can slide in the feeding tube. During the feeding process, the moving tube is first located near the bottom of the collecting bin to reduce the height of the raw materials falling from the moving tube to the bottom of the inner cavity of the collecting bin. In addition, through the cooperation with the spiral rod, the vertical channel of the feeding tube is changed into a curved channel, which further slows down the falling speed of the raw materials. The moving tube and the spiral rod work together to effectively prevent the solid raw materials from impacting the inner cavity of the collecting bin, avoid damaging the inner cavity of the collecting bin and related components, and reduce the adhesion and agglomeration between the raw materials. In addition, this design can also prevent a large number of bubbles from being generated when the liquid raw materials fall from a high place, thereby ensuring the stability of storage.

[0019] 2. The sliding function of the moving tube and the spiral rod can gradually rise during the feeding process, so that the moving tube and the spiral rod can be separated from the aggregate bin, thereby expanding the volume of the aggregate bin. In addition, in the discharging stage, the moving tube and the spiral rod gradually move downward and are inserted into the storage bin. During this movement process, the spiral rod will transport the raw materials on the moving path to the inner cavity of the moving tube, assisting the moving tube to be smoothly inserted into the aggregate bin. When the moving tube reaches the bottom of the aggregate bin, the raw materials in the inner cavity of the moving tube rise to the top, and then the spiral rod discharges the raw materials from the aggregate bin.

[0020] 3. The power device at the bottom of the aggregate bin drives the vibrating bucket on the outer shell to vibrate. When solid raw materials are stored for a long time, the vibration can loosen the raw materials to prevent them from sticking. In the discharge stage, the tilt angle of the vibrating bucket can be matched to allow the residual raw materials to enter the moving pipe. The vibrating bucket can also move the cleaning rod on the outer shell that slides up and down to clean the inner wall of the aggregate bin, which improves the practicality of the device.

[0021] 4. Water can be sprayed out from the cylindrical trough and the top of the connecting platform where the moving pipe is inserted through the water storage device at the bottom. In the process of transporting water to the inner cavity of the collecting bin, the raw materials at the insertion point of the moving pipe and the spiral rod can also be cleaned up, so that the moving pipe and the spiral rod can be better inserted into the connecting platform and the outer shell.

[0022] 5. During the cleaning process, the moving tube is inserted into the connecting table, and the spiral rod is inserted into the outer shell. Through the cooperation of the clamping structure and the clamping column, the spiral rod can drive the outer shell to move up and down, and in the process of up and down movement, the moving tube can limit the rotation of the connecting table, and then the spiral rod drives the outer shell to rotate around the connecting table, and then drives the cleaning rod to rotate. When the cleaning rod rotates, it also slides up and down, which can better clean the raw materials adhered to the inner wall of the aggregate bin, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A front view of the present invention is shown;

[0024] Figure 2 A cross-sectional view of the present invention is shown;

[0025] Figure 3 A partial cross-sectional view of the present invention is shown;

[0026] Figure 4 A cross-sectional view of the feed pipe, the moving pipe and the spiral rod of the present invention is shown;

[0027] Figure 5 A perspective view of the housing and power structure of the present invention is shown;

[0028] Figure 6 A cross-sectional view of the spiral rod and the housing of the present invention is shown;

[0029] Figure 7 A top view of the housing and the connection platform of the present invention is shown;

[0030] Figure 8 A bottom view of the moving tube and the spiral rod of the present invention is shown;

[0031] Fig. 9 A three-dimensional view of the housing and the clamping column of the present invention is shown;

[0032] Fig.10 A perspective view of a connection station of the present invention is shown;

[0033] Fig.11 A perspective view of the moving tube and the spiral rod of the present invention is shown;

[0034] Fig.12 The diagram shows the steps of connecting and separating the spiral rod and the housing of the present invention.

[0035] Legend:

[0036] 10. Material collection bin; 11. Sealing cover; 12. Material delivery pipe; 121. Material feeding pipe; 122. Material discharge pipe; 13. Moving pipe; 131. Material delivery hole; 132. Lifting tooth groove; 133. Rotating motor; 134. Material feeding hole; 14. Screw rod;

[0037] 20. Lifting structure; 21. Lifting motor; 22. Driving gear;

[0038] 30. Bottom plate structure; 31. Shell; 311. Second nozzle; 312. First water delivery hole; 32. Vibrating bucket; 33. Cleaning rod; 34. Connecting platform; 341. Arc hole; 342. First nozzle; 343. Rectangular hole; 35. Snap-on column; 351. Snap-on joint; 36. Snap-on ring; 37. Water inlet pipe;

[0039] 40. Power structure; 41. Synchronous gear ring; 42. Vibration gear; 43. Ejector rod; 44. Vibration motor; 45. Rotation gear;

[0040] 50. Clamping structure; 51. Moving rod; 52. Moving block; 53. Return spring;

[0041] 60. Water storage device; 61. Water storage tank; 62. Water pipe. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] See also Figure 1-Figure 12 The present invention provides a raw material collection device for polyester polyols, including a collection bin 10, which is a columnar box. A sealing cover 11 is provided on the top of the collection bin 10, and the sealing cover 11 is connected to the collection bin 10 in a detachable manner. A feed pipe 12 is fixedly connected to the top of the sealing cover 11, and the feed pipe 12 is a long strip-shaped pipe. A moving pipe 13 is slidably connected to the inner cavity of the feed pipe 12.

[0044] The movable tube 13 can slide in the vertical direction inside the delivery tube 12 and is driven by the lifting structure 20 installed on the top of the sealing cover 11. A feed tube 121 and a discharge tube 122 are arranged on one side of the delivery tube 12, wherein the inlet of the feed tube 121 is arranged upward and the outlet of the discharge tube 122 is arranged downward. The outer ring of the movable tube 13 is provided with at least two delivery holes 131, which are used in conjunction with the feed tube 121 and the discharge tube 122.

[0045] The moving tube 13 is in a lower position during feeding. After the raw material enters the moving tube 13 through the feeding tube 121, it enters the collecting bin 10 from the bottom end of the moving tube 13. Since the bottom end of the moving tube 13 is close to the bottom of the collecting bin 10, the raw material falls a shorter distance, which greatly reduces the impact force, thereby effectively preventing the solid raw material from having too high an impact force and causing damage to the bottom of the collecting bin 10 and related components, and avoiding uneven accumulation or agglomeration of raw materials caused by excessive impact force. In addition, this design can also prevent the liquid raw material from generating a large number of bubbles during the falling process, thereby affecting the storage stability.

[0046] Furthermore, the lifting structure 20 includes a lifting motor 21 installed on the top of the sealing cover 11, and a lifting tooth groove 132 is provided on the outside of the moving tube 13. The output end of the lifting motor 21 is fixedly connected to a driving gear 22 that passes through the feed pipe 12 and meshes with the lifting tooth groove 132.

[0047] As the raw materials continue to accumulate, the moving tube 13 can slide upwards driven by the lifting motor 21, thereby expanding the effective volume of the collecting bin 10, avoiding the blocking of the moving tube 13 by the raw materials, and ensuring that the raw materials can smoothly enter the collecting bin 10; during the feeding process, through the sliding of the moving tube 13, the unused feed hole 131 is blocked by the inner wall of the feed pipe 12, and the discharge pipe 122 is separated by the outer wall of the moving tube 13, without the need for additional valves or sealing structures, thereby simplifying the device design and significantly reducing the complexity and maintenance costs of the equipment.

[0048] During the feeding process, by starting the lifting motor 21, it is ensured that the moving tube 13 is in the initial low position, and the raw materials enter the moving tube 13 through the feeding tube 121. The feeding hole 131 on the moving tube 13 is aligned with the feeding tube 121, so that the raw materials can smoothly enter the moving tube 13. Then, the raw materials fall into the collecting bin 10 from the bottom end of the moving tube 13. Due to the small falling height, the impact force and the generation of bubbles are effectively reduced, thereby ensuring that the raw materials are evenly stacked. As the raw materials in the collecting bin 10 continue to accumulate, its surface gradually approaches the bottom end of the moving tube 13. At this time, the feeding is stopped, and the lifting motor 21 is started to push the moving tube 13 to slide upward. When the other feeding hole 131 of the moving tube 13 is realigned with the feeding tube 121, the movement is stopped and the feeding is restarted. The upward movement of the moving tube 13 further expands the effective volume of the collecting bin 10, thereby ensuring that subsequent raw materials can smoothly enter the collecting bin 10.

[0049] During the discharging stage, the lifting motor 21 is started so that the bottom of the moving tube 13 is inserted into the raw material in the collecting bin 10. When the moving tube 13 moves to the bottommost position, the unused feed hole 131 is blocked by the inner wall of the feed pipe 12 during the sliding of the moving tube 13. The feed pipe 12 is not connected to the moving tube 13, while a feed hole 131 on the moving tube 13 is connected to the discharging pipe 122.

[0050] Furthermore, a spiral rod 14 driven by a motor is provided in the moving tube 13, a rotating motor 133 is installed at the top of the inner cavity of the moving tube 13, the output end of the rotating motor 133 is fixedly connected to the spiral rod 14 passing through the moving tube 13, a plurality of feeding holes 134 are provided at the bottom of the moving tube 13, and a power cord connected to the rotating motor 133 passes through the top of the conveying pipe 12 and the moving tube 13 and is connected to an external power supply.

[0051] The spiral rod 14 transforms the vertical channel in the moving tube 13 into a curved channel, effectively reducing the falling speed of the raw materials, preventing the solid raw materials from impacting the inner cavity of the collecting bin 10 and related components due to high-speed falling, thereby extending the service life of the equipment, and preventing the solid raw materials from colliding with each other and agglomeration, ensuring the stability of the storage process. In addition, the spiral rod 14 can also effectively prevent a large number of bubbles from being generated when the liquid raw materials fall from a high place; when the moving tube 13 is inserted into the collecting bin 10, the spiral rod 14 transports the raw materials on the path to the inner cavity of the moving tube 13, plays a dredging role, and ensures that the moving tube 13 can be smoothly inserted into the collecting bin 10; during the discharge process, the upper feed hole 131 is connected to the discharge pipe 122 to ensure smooth discharge of the raw materials, while the lower feed hole 131 is sealed by the inner wall of the feed pipe 12 to prevent leakage of the raw materials; the spiral rod 14 driven by the rotating motor 133 integrates the functions of feed buffering, discharge dredging and conveying, reducing the dependence on additional buffer devices or sealing mechanisms, thereby significantly reducing the complexity of the equipment.

[0052] When feeding, start the lifting motor 21 and adjust the moving tube 13 to the initial position (close to the bottom of the collecting bin 10). Then, start the rotating motor 133 to drive the screw rod 14 to rotate, thereby forming a curved channel. At this time, the raw material enters the inner cavity of the moving tube 13 through the feeding tube 121. The rotating action of the screw rod 14 effectively slows down the falling speed of the raw material, so that the raw material gradually enters the collecting bin 10 along the curved channel. By reducing the falling distance, the impact force is reduced, thereby avoiding the problem of raw material damage to the equipment. In the process of the moving tube 13 moving upward, the screw rod 14 continues to rotate to ensure that the remaining raw material in the moving tube 13 can smoothly enter the collecting bin 10.

[0053] During the discharging process, the lifting motor 21 is first started to drive the moving tube 13 to move downward so that it is gradually inserted into the collecting bin 10. At the same time, the screw rod 14 starts to rotate to transport the raw materials on the moving path to the inner cavity of the moving tube 13 to ensure that the moving tube 13 can be smoothly inserted. When the moving tube 13 reaches the bottom of the collecting bin 10, the screw rod 14 continues to rotate to discharge the raw materials in the collecting bin 10 through the moving tube 13. After the raw materials in the collecting bin 10 are completely emptied, the operation of the rotating motor 133 and the lifting motor 21 is stopped, and the moving tube 13 is reset to its initial position, thereby completing the entire discharging process.

[0054] During the feeding process, the equipment can effectively slow down the falling speed of raw materials, reduce the impact force, avoid the generation of lumps and bubbles, and thus ensure the stability of storage; during the discharging process, the spiral rod 14 is used to assist in dredging and discharging, which significantly improves the discharging efficiency. The equipment integrates the functions of feeding buffering, storage adjustment, discharging dredging and raw material transportation, with a compact structural design and efficient functional operation.

[0055] Furthermore, the bottom of the aggregate bin 10 is designed with a bottom plate structure 30 with a vibration function, which includes an outer shell 31 and a vibration bucket 32 ​​driven by a power structure 40. The vibration bucket 32 ​​is slidably connected to the inner cavity side wall of the outer shell 31. The outer shell 31 is equipped with a plurality of cleaning rods 33 linked to the vibration bucket 32. The cleaning rods 33 can slide up and down with the outer shell 31. A connecting platform 34 is provided at the center of the outer shell 31, and the connecting platform 34 can be plugged into the moving tube 13. A clamping structure 50 is installed at the bottom of the spiral rod 14, and the clamping structure 50 cooperates with the clamping column 35 in the cylindrical groove of the outer shell 31.

[0056] The vibration bucket 32 ​​realizes timed vibration through the power structure 40, so that the raw materials stored in the aggregate bin 10 remain in a loose state, thereby avoiding the raw materials from adhering to the inner wall due to long-term static state, and effectively preventing the agglomeration of the raw materials. The surface of the vibration bucket 32 ​​is designed to be inclined. During the discharge process, the residual raw materials can be guided into the moving tube 13 through vibration, thereby reducing the waste of raw materials and ensuring that the discharge process inside the aggregate bin 10 is more thorough; in addition, when working, the vibration bucket 32 ​​drives the cleaning rod 33 to slide up and down, effectively cleaning the attached raw materials on the inner wall of the aggregate bin 10, and avoiding residual accumulation affecting the next use of the equipment.

[0057] Furthermore, the power structure 40 includes a synchronous gear ring 41 rotatably connected to the bottom wall of the inner cavity of the shell 31, the synchronous gear ring 41 is meshed with a plurality of vibration gears 42 rotating on the bottom wall of the inner cavity of the shell 31, the top of the vibration gear 42 is fixedly connected to a top rod 43 in contact with the vibration bucket 32, a vibration motor 44 is installed in the inner cavity of the shell 31, and the vibration gear 42 is meshed with a rotating gear 45 at the output end of the vibration motor 44.

[0058] The vibration motor 44 drives the vibration gear 42 through the rotating gear 45. The synchronous gear ring 41 is used to coordinate the synchronous movement of multiple vibration gears 42, and finally drives the top rod 43 to make the vibration bucket 32 ​​vibrate up and down. The various components operate in a synchronous manner, and the vibration effect is uniform and stable. At the same time, the design of the synchronous gear ring 41 can achieve multi-point vibration with lower energy consumption, thereby significantly improving the energy efficiency ratio.

[0059] During operation, the vibration motor 44 starts, drives the rotating gear 45 to drive the vibration gear 42 to rotate, and realizes the synchronous operation of multiple vibration gears 42 through the synchronous gear ring 41. The rotation of the vibration gear 42 is transmitted to the vibration bucket 32 ​​via the top rod 43, causing it to vibrate up and down. The up and down movement of the vibration bucket 32 ​​effectively loosens the raw materials in the collection bin 10 to prevent the raw materials from adhering or agglomerating due to long-term standing. At the same time, the vibration bucket 32 ​​drives the cleaning rod 33 to slide up and down to remove the attachments on the inner wall of the collection bin 10, ensuring that the inside of the collection bin 10 remains clean and tidy.

[0060] This equipment can improve the storage stability of raw materials, prevent adhesion and agglomeration, optimize the discharge process, reduce residues, and improve discharge efficiency. After the discharge is completed, it can clean the inside of the equipment, reduce manual cleaning costs, and extend the life of the equipment.

[0061] Furthermore, a cylindrical hole is provided at the bottom of the spiral rod 14, and the clamping structure 50 includes a moving rod 51 sliding in the strip holes on both sides of the cylindrical hole, a moving block 52 extending to the cylindrical hole is fixed on one side of the moving rod 51, and an outer ring fixed sleeve of the moving rod 51 is provided with a return spring 53 fixed to the inner wall of the strip space and the moving block 52 on both sides respectively.

[0062] The clamping column 35 is fixed in the cylindrical groove of the shell 31, and a clamping ring 36 is slidably arranged on the outer ring of the clamping column 35. A clamping joint 351 is arranged on the top of the clamping column 35, and inclined surfaces with the same angle are arranged on the upper and lower sides of the clamping ring 36, the bottom of the moving block 52 and the clamping column 35.

[0063] When the spiral rod 14 is needed to drive the outer shell 31 to move up and down, the spiral rod 14 moves downward, the inclined surface of the moving block 52 contacts the inclined surface of the clamping joint 351, and the moving block 52 moves toward the depth of the inner cavity of the strip space. When the moving block 52 reaches the bottom of the clamping joint 351, the spiral rod 14 starts to move upward, thereby driving the clamping joint 351 to realize the upward movement of the clamping column 35, and then driving the outer shell 31 to move upward, so that the cleaning rod 33 can clean the areas at different heights in the inner cavity of the aggregate bin 10.

[0064] When the spiral rod 14 is no longer needed to drive the outer shell 31 to move up and down, the outer shell 31 returns to the initial position at the bottom of the aggregate bin 10. At this time, the spiral rod 14 continues to move downward. When the moving block 52 contacts the clamping ring 36, the moving block 52 moves again to the depth of the inner cavity of the strip space and resets after reaching the bottom of the clamping ring 36. Subsequently, the spiral rod 14 moves upward, driving the clamping ring 36 to move upward, so that the top of the clamping ring 36 is embedded in the groove at the bottom of the clamping joint 351, and finally the spiral rod 14 is separated from the outer shell 31.

[0065] When it is necessary to clean the different heights of the inner cavity of the aggregate bin 10, the spiral rod 14 drives the outer shell 31 to move upward through the clamping joint 351; when cleaning is not required, the outer shell 31 returns to the initial position to avoid the spiral rod 14 driving the outer shell 31 to move all the time, thereby increasing meaningless energy consumption. Moreover, between the cleaning task and the raw material conveying task, the clamping and separation design of the spiral rod 14 and the outer shell 31 enables rapid and accurate task switching, thereby optimizing the operation process.

[0066] Furthermore, the center of the housing 31 is rotatably connected to the connecting platform 34 , and the top of the connecting platform 34 is provided with an arc-shaped hole 341 into which the moving tube 13 is inserted.

[0067] When the spiral rod 14 drives the shell 31 to move up and down, since the strip groove at the bottom of the spiral rod 14 is inserted into the strip protrusion in the cylindrical groove of the shell 31, the moving tube 13 is inserted into the arc hole 341, and the moving tube 13 prevents the connecting platform 34 from rotating. The spiral rod 14 can drive the shell 31 to rotate around the connecting platform 34 through the strip protrusion and the strip groove, thereby driving the cleaning rod 33 to rotate.

[0068] When cleaning, the device can clean different height and angle areas of the aggregate bin 10 by combining the up and down movement of the cleaning rod 33 itself with the up and down movement and rotation of the outer shell 31, without blind spot coverage. The design of the arc hole 341 ensures that after the moving tube 13 is inserted, the connecting platform 34 can remain stable to prevent the connecting platform 34 from rotating.

[0069] Furthermore, a plurality of first nozzles 342 communicating with the inner cavity of the connecting platform 34 are provided in the arc hole 341, a second nozzle 311 communicating with the inner cavity of the outer shell 31 is provided in the cylindrical groove, a water inlet pipe 37 communicating with the inner cavity of the outer shell 31 is provided at the bottom of the outer shell 31, the water storage device 60 includes a water tank 61 fixed to the bottom of the aggregate bin 10, the water tank 61 is provided with a water pipe 62 penetrating the aggregate bin 10 and clamped with the water inlet pipe 37, a plurality of first water holes 312 communicating with the inner cavity of the outer shell 31 are provided at the connection between the outer shell 31 and the connecting platform 34, and a rectangular hole 343 communicating with the inner cavity of the connecting platform 34 is provided at the connection between the connecting platform 34 and the outer shell 31.

[0070] When the aggregate bin 10 needs to be cleaned, the water in the water tank 61 can be transported to the inner cavity of the outer shell 31 through the water pipe 62 by an external water pump, and the outer shell 31 sprays clean water from the cylindrical groove with the help of the second nozzle 311. In the process of transporting clean water to the aggregate bin 10, the residual raw materials in the cylindrical groove can be discharged at the same time, so that the spiral rod 14 can be smoothly inserted into the cylindrical groove; in addition, the outer shell 31 can also transport clean water to the inner cavity of the connecting platform 34 through the first water delivery hole 312 and the rectangular hole 343, and spray it out through the first nozzle 342 in the arc hole 341, so as to discharge the raw materials in the arc hole 341 while completing the cleaning effect.

[0071] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A raw material collection device for polyester polyol, comprising a collection bin (10), characterized in that: A material delivery pipe (12) is fixedly connected to the sealing cover (11) at the top of the material collection bin (10), a moving pipe (13) slides inside the material delivery pipe (12), a screw rod (14) driven by a motor is provided inside the moving pipe (13), a feeding pipe (121) and a discharging pipe (122) provided on one side of the material delivery pipe (12) cooperate with a material delivery hole (131) of the moving pipe (13), and a lifting structure (20) is provided on the top of the sealing cover (11) for driving the moving pipe (13) to slide up and down; A bottom plate structure (30) with a vibration function is provided at the bottom of the collecting bin (10), the bottom plate structure (30) comprises a shell (31) and a vibration bucket (32) driven by a power structure (40), the shell (31) has a plurality of cleaning rods (33) driven by the vibration bucket (32) sliding up and down, a connecting platform (34) into which the moving tube (13) is inserted is rotatably provided at the center of the shell (31), and a clamping structure (50) is provided at the bottom of the spiral rod (14) for use with a clamping column (35) in a cylindrical groove of the shell (31); The bottom of the aggregate bin (10) is provided with a water storage device (60), and the water in the water storage device (60) can be ejected through the cylindrical groove and the top of the connecting platform (34) where the movable pipe (13) is inserted; The vibration bucket (32) is slidably connected to the inner cavity side wall of the housing (31), and the power structure (40) includes a synchronous gear ring (41) rotatably connected to the inner cavity bottom wall of the housing (31), and the synchronous gear ring (41) is meshed with a plurality of vibration gears (42) that rotate with the inner cavity bottom wall of the housing (31); The top of the vibration gear (42) is fixedly connected to a top rod (43) in contact with the vibration bucket (32), a vibration motor (44) is installed in the inner cavity of the housing (31), and the vibration gear (42) meshes with the rotating gear (45) at the output end of the vibration motor (44); The clamping structure (50) includes a moving rod (51) sliding in the strip holes on both sides of the cylindrical hole, a moving block (52) extending to the cylindrical hole is fixed on one side of the moving rod (51), and a clamping ring (36) is slidably provided on the outer ring of the clamping column (35) fixed in the cylindrical groove; A clamping joint (351) is provided at the top of the clamping column (35), and inclined surfaces with the same angle are provided on the upper and lower sides of the clamping ring (36), the bottom of the moving block (52) and the clamping column (35), and the outer ring fixing sleeve of the moving rod (51) is provided with a return spring (53) fixed to the inner wall of the strip space and the moving block (52) on both sides.

2. The raw material collecting device for polyester polyol according to claim 1, characterized in that: The lifting structure (20) comprises a lifting motor (21) mounted on the top of the sealing cover (11); the outer ring of the moving tube (13) is provided with a lifting tooth groove (132); and the output end of the lifting motor (21) is fixed with a driving gear (22) that penetrates the material conveying tube (12) and meshes with the lifting tooth groove (132).

3. The raw material collecting device for polyester polyol according to claim 1, characterized in that: A rotating motor (133) is installed at the top of the inner cavity of the moving tube (13); the output end of the rotating motor (133) is fixedly connected to a spiral rod (14) that passes through the moving tube (13); and a plurality of feed holes (134) are provided at the bottom of the moving tube (13).

4. The raw material collecting device for polyester polyol according to claim 1, characterized in that: The center of the shell (31) is rotatably connected to the connecting platform (34); the top of the connecting platform (34) is provided with an arc-shaped hole (341) into which the movable tube (13) is inserted; a plurality of first nozzles (342) communicating with the inner cavity of the connecting platform (34) are provided in the arc-shaped hole (341); and a second nozzle (311) communicating with the inner cavity of the shell (31) is provided in the columnar groove.

5. The raw material collecting device for polyester polyol according to claim 1, characterized in that: The bottom of the shell (31) is provided with a water inlet pipe (37) communicating with the inner cavity of the shell (31); the water storage device (60) comprises a water storage tank (61) fixed to the bottom of the material collection bin (10); the water storage tank (61) is provided with a water delivery pipe (62) penetrating the material collection bin (10) and clamped with the water inlet pipe (37).

6. The raw material collecting device for polyester polyol according to claim 1, characterized in that: The contact surface between the outer shell (31) and the connecting platform (34) is provided with a plurality of first water delivery holes (312) communicating with the inner cavity of the outer shell (31), and the contact surface between the connecting platform (34) and the outer shell (31) is provided with a rectangular hole (343) communicating with the inner cavity of the connecting platform (34).

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