Centrifugal screening equipment for processing hotpot condiment raw materials

Abstract

The invention provides centrifugal screening equipment for hotpot condiment raw material processing, and belongs to the technical field of hotpot condiment raw material screening. Comprising a screening box, a screening barrel rotationally arranged in the screening box, a screening barrel which is coaxially arranged in the screening barrel and divides the screening barrel into a plurality of screening cavities, a barrel cover which is arranged over the screening barrel and can make contact with the screening barrel through a first driving assembly, and a separation barrel which is coaxially arranged on the inner top wall of the barrel cover and divides the barrel cover into a plurality of cavities. Each suction plate is arranged in the corresponding cavity, and each second driving assembly drives the corresponding suction plate to move vertically. Except the innermost cavity, an annular insertion plate and a third driving assembly for driving the annular insertion plate to move vertically are further arranged in each of the rest cavities; each suction plate is connected with a suction pipe, and each suction pipe penetrates through the top wall of the barrel cover and is connected with a suction filtering assembly outside the barrel cover. Materials in each screening cavity can be conveniently taken out, and the operation convenience is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of screening equipment for hot pot base materials, and particularly to a centrifugal screening device for processing hot pot base materials. Background Art

[0002] The raw materials of hot pot base include spices, seasonings, and food ingredients, etc. Among them, before using spices, it is necessary to chop larger-sized raw materials (such as tsaoko fruits, monk fruit, star anises, and fragrant leaves, etc.), and then screen them to obtain spices with a specified particle size.

[0003] In the prior art, in order to improve the screening efficiency of spices, a centrifugal screening device is often used for screening. Under the action of centrifugal force, the screening speed can be significantly increased. In order to achieve multi-stage screening of spices, there are also multi-stage centrifugal screening devices at present. Its basic structure includes a screening box, a screening barrel rotatably arranged in the screening box, and a plurality of screening cylinders coaxially arranged in the screening barrel. The plurality of screening cylinders divide the screening barrel into a plurality of screening chambers. During the centrifugal screening process, the spices with the smallest particle size directly fall along the sieve holes at the bottom end of the screening barrel to the bottom wall of the screening box and can be directly taken out through the discharge port at the bottom end. However, spices with other particle sizes are retained in the corresponding screening chambers. When taking materials subsequently, since the screening barrel is arranged inside the screening box, it is difficult to conveniently take out the materials in each screening chamber. Summary of the Invention

[0004] The purpose of the present invention is to provide a centrifugal screening device for processing hot pot base materials, which can conveniently take out the materials in each screening chamber.

[0005] The purpose of the present invention is achieved by the following technical solutions: A centrifugal screening device for processing hot pot base materials includes a screening box, a screening barrel rotatably arranged in the screening box, screening cylinders coaxially arranged in the screening barrel and dividing the screening barrel into a plurality of screening chambers, a circular hole arranged at the center of the top end of the screening box, a barrel cover arranged directly above the screening barrel and capable of vertically passing through the circular hole and contacting the screening barrel through a first driving component, a partition cylinder coaxially arranged on the inner top wall of the barrel cover and dividing the barrel cover into a plurality of cavities, and a suction plate arranged in each cavity and a second driving component for driving the suction plate to perform vertical displacement; Wherein, the suction plate arranged in the innermost cavity is disk-shaped, and the suction plates in the remaining cavities are annular; In addition to the innermost cavity, each of the remaining cavities is further provided with an annular insertion plate and a third driving component for driving the annular insertion plate to perform vertical displacement; In addition to the innermost cavity, the suction plates in each of the remaining cavities are slidably connected to the outer wall of the annular insertion plate; A suction pipe is connected to the top end of each of the suction plates, and each of the suction pipes penetrates through the top wall of the barrel cover and is connected to a suction filtration assembly outside the barrel cover; The number of the screening cylinders is the same as that of the partition cylinders, and one of the partition cylinders is arranged directly above each of the screening cylinders; A plurality of suction holes are arranged on the side wall and the bottom wall of the suction plate.

[0006] Preferably, a first connection ring is arranged on the outer wall of each of the partition cylinders, and a second connection ring is arranged on the barrel cover and the inner wall of each of the partition cylinders; In each cavity, the outer wall of the suction plate is slidably connected to the inner wall of the second connection ring, and the inner wall of the annular insertion plate is slidably connected to the outer wall of the first connection ring.

[0007] Preferably, the first driving assembly includes a gantry arranged above the screening box and a first hydraulic rod arranged on the top wall of the gantry; the barrel cover is arranged at the telescopic end of the first hydraulic rod; sliding rods are arranged on both sides of the barrel cover, and a first vertical chute slidably matched with the sliding rods is arranged on the inner wall of the gantry.

[0008] The second driving assembly includes a second hydraulic rod arranged on the suction plate, and the hydraulic cylinder of the second hydraulic rod is arranged on the inner top wall of the barrel cover or the side wall of a cavity adapted to the suction plate; The third driving assembly includes a third hydraulic rod arranged on the top wall of the annular insertion plate, and the hydraulic cylinder of the third hydraulic rod is arranged on the inner top wall of the barrel cover.

[0009] Preferably, a feed inlet is arranged at the center of the top end of the barrel cover, a feed pipe coaxial with the innermost cavity is arranged in the feed inlet, and the outer wall of the feed pipe is connected to the inner wall of the second connection ring in the innermost cavity; The second driving assembly located in the innermost cavity includes two symmetric second hydraulic rods arranged on the side wall of the cavity, two first connecting rods arranged on the side wall of the suction plate in the cavity, and a connecting plate arranged at the free ends of the first connecting rods; the telescopic ends of the second hydraulic rods penetrate through the second connection ring and are respectively connected to the two connecting plates.

[0010] Preferably, a telescopic hose is arranged between the connecting plate and the second connection ring.

[0011] Preferably, a telescopic rod is arranged in the feed pipe. The telescopic rod is composed of an upper rod and a lower rod slidably arranged inside the upper rod. A second vertical chute is arranged on the inner wall of the upper rod, and a vertical slider slidably matched with the second vertical chute is arranged on the outer wall of the lower rod. The bottom end of the lower rod is rotatably connected to the top end of a circular suction plate. A scraper is fixedly connected to the lower rod, and the bottom end of the scraper contacts the top surface of the circular suction plate. A plurality of S-shaped rods are arranged on the side wall of the upper rod, and the top ends of the plurality of S-shaped rods are connected to a rotating ring rotatably arranged around the feed port. The rotating ring is rotated by a fourth driving component. A plurality of cross rods are arranged between the upper rod and the S-shaped rods.

[0012] Preferably, the fourth driving component includes a rotating shaft arranged at the top end of the bucket cover, a first sprocket and a second sprocket sleeved outside the rotating shaft and the rotating ring respectively, and a first motor arranged at the top end of the bucket cover through a motor bracket and fixedly connected to the top end of the rotating shaft. The first sprocket and the second sprocket are meshed with each other. A fixing ring is fixedly arranged at the top end of the bucket cover through an inclined rod. The fixing ring is arranged directly above the rotating ring and is rotatably connected to the rotating ring.

[0013] Preferably, the telescopic hose includes an upper telescopic pipe, a lower telescopic pipe, and a limiting ring arranged on the outer wall of the bottom end of the upper telescopic pipe. An insertion hole is arranged on the side wall of the limiting ring. A connecting block is arranged at the bottom end of the second connecting ring in the innermost cavity. A containing cavity is arranged on one side of the connecting block close to the insertion hole. An electromagnet is fixedly arranged in the containing cavity. A spring is arranged at one end of the electromagnet close to the insertion hole. An iron block slidably connected to the inner wall of the containing cavity is arranged at one end of the spring close to the insertion hole. A limiting block capable of inserting into the insertion hole is arranged at one end of the iron block close to the insertion hole.

[0014] Preferably, the suction filtering component includes a filtering box arranged outside the bucket cover and connected to the suction pipe, a filter screen arranged in the filtering box, a discharge port arranged on the side wall of the filtering box, a baffle arranged at the discharge port, an exhaust pipe arranged on the side wall of the filtering box, and a negative pressure fan arranged at the air outlet end of the exhaust pipe. A first push plate is slidably arranged in the filtering box, and a second push plate is slidably arranged on one side of the first push plate close to the discharge port. A fourth hydraulic rod for driving the first push plate to move towards or away from the discharge port is arranged on one side of the filtering box away from the discharge port. A fifth hydraulic rod for driving the second push plate to move vertically is arranged on one side of the second push plate away from the discharge port.

[0015] Preferably, a central shaft is provided at the center of the bottom end of the screening bucket. The bottom end of the central shaft penetrates through the bottom wall of the screening box and is fixedly connected to the output end of a second motor provided on the bottom wall of the screening box. A plurality of second connecting rods are provided on the side wall of the screening bucket, and a ring-shaped slider is jointly provided at the free ends of the plurality of second connecting rods. An annular sliding groove slidably connected to the ring-shaped slider is provided on the inner wall of the screening box.

[0016] Compared with the prior art, the effects of the present invention are as follows: 1. By providing a bucket cover and a plurality of partition cylinders coaxial with the bucket cover inside the bucket cover, when performing centrifugal screening, the bottom end of the bucket cover can be made to contact the top end of the screening bucket, and the bottom ends of the plurality of partition cylinders can be made to contact the top ends of the screening cylinders directly below them. In this way, a relatively closed screening space can be formed between each screening cavity and the cavity above it. When the height of the material during centrifugation in a certain screening space is higher than the top end of the screening bucket or the screening cylinder, it can be blocked by the partition cylinder or the bucket cover at the upper part of the screening space, so as to prevent the material from spreading to other screening spaces, ensuring that the material is screened sufficiently in the corresponding screening cavity.

[0017] By providing a suction plate in each cavity and a second driving assembly for driving the vertical displacement of the suction plate, after the screening is completed, the suction plate can be moved down into the screening cavity directly below it, and the material in the screening cavity can be sucked into the suction plate through the suction holes provided on the side wall or the bottom wall of the suction plate by the suction filtration assembly connected to the suction plate, and is retained by the suction filtration assembly, thereby realizing the collection of materials in different screening cavities.

[0018] 2. During the centrifugal screening process, the material generally accumulates in the outer part of each screening cavity (the outer part refers to the side of the screening cavity away from the center of the screening bucket). However, once the centrifugation ends, under the action of gravity, the material will fall from the outer part to the inner part (the inner part refers to the side of the screening cavity close to the center of the screening bucket), and even penetrate along the screening cylinder into the adjacent screening cavity on the inner side, resulting in that except for the material in the outermost screening cavity being screened sufficiently, the materials in the remaining screening cavities are difficult to be screened sufficiently. Based on this, the present invention provides an annular insertion plate in each cavity and close to the inner part of the cavity, and a third driving assembly for driving the up and down displacement of the annular insertion plate. When the screening is about to end (at this time, it is still in the centrifugal state), the third driving assembly is directly started to move the annular insertion plate in each cavity downwards to block the materials in different screening cavities.

[0019] If the annular insertion plate is not inserted during the centrifugation process but is inserted after the centrifugation operation, although it can ensure that the materials in different screening cavities do not mix with each other after insertion, the materials that have penetrated between the adjacent screening cavities before insertion still cannot be screened sufficiently.

[0020] In addition, if the top end of the screening chamber is not sealed, during the screening operation, the continuous rotation of the material will cause some finer materials to spread into the cavity and adhere to the inner wall of the cavity, resulting in material loss. At the same time, when the material is suspended in the cavity for a long time, it will have an adverse impact on various driving components in the cavity.

[0021] Therefore, in the innermost cavity of the present invention, by making the outer wall of the annular insertion plate contact with the inner wall of the cavity, the top end of the innermost screening chamber can be sealed. In the remaining cavities, a plugging assembly is formed by the annular insertion plate and the suction plate together to seal the top end of the screening chamber directly below the cavity, thereby preventing the material in the screening chamber from spreading upward into the cavity and effectively avoiding material loss.

[0022] When sucking the material in the screening chamber, due to the setting of the annular insertion plate, the material in the outer screening chamber will not enter the adjacent inner screening chamber, ensuring that the materials in the adjacent screening chambers will not be mixed during the suction operation, and ensuring that the materials collected in each screening chamber are fully screened materials.

[0023] Through the synergistic effect of the above components, the purpose of effectively collecting the materials in different screening chambers can be achieved. At the same time, it can also prevent the materials in the adjacent screening chambers from mixing with each other during collection, improve the sufficiency of material screening, and during the screening process, by sealing the top end of the screening chamber, it can prevent the material from spreading upward into the cavity and causing material loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic cross-sectional structure view in the front view direction of Embodiment 1; Figure 2 For Figure 1 It is a schematic structure view in the top view direction of the screening barrel in Figure 3 For Figure 1 It is a schematic cross-sectional structure view in the front view direction when the annular insertion plate is working in Figure 4 For Figure 1 It is a schematic cross-sectional structure view in the top view direction of the barrel cover in Figure 5 For Figure 1 It is a schematic cross-sectional structure view in the front view direction of the suction plate in the innermost cavity in Figure 6 For Figure 1 It is a schematic cross-sectional structure view in the front view direction of the barrel cover after the first connecting ring and the second connecting ring are arranged in Figure 7 For Figure 6 It is a schematic cross-sectional structure view in the top view direction; Figure 8 It is a schematic cross-sectional structure view in the front view direction of the barrel cover after the telescopic hose and the feed pipe are arranged in the innermost cavity; Figure 9 It is a schematic cross-sectional structure view of the telescopic hose in the top view direction; Figure 10 It is a schematic cross-sectional structure view of the telescopic rod in the top view direction; Figure 11 It is a schematic structure view of the rotating ring and the rotating shaft in the top view direction; Figure 12 It is Figure 8 Schematic structure view of the innermost cavity in the front view direction after setting the limit ring; Figure 13 It is a schematic cross-sectional structure view of the limit ring in the innermost cavity in the bottom view direction; Figure 14 It is Figure 13 Enlarged structure view of A in Figure 15 It is Figure 12 Schematic structure view of the telescopic hose in the right view direction when the retaining ring is not set in Figure 16 It is Figure 12 Schematic structure view of the telescopic hose in the right view direction in Figure 17 It is a schematic cross-sectional structure view of the filter box in the front view direction; Figure 18 It is Figure 17 Schematic cross-sectional structure view in the right view direction; In the figure: 1 - screening box, 2 - screening barrel, 3 - screening cylinder, 4 - barrel cover, 5 - partition cylinder, 6 - suction plate, 7 - annular insertion plate, 8 - suction pipe, 9 - first connection ring, 10 - second connection ring, 11 - gantry, 12 - first hydraulic rod, 13 - sliding rod, 14 - first vertical chute, 15 - second hydraulic rod, 16 - third hydraulic rod, 17 - feed inlet, 18 - feed pipe, 19 - connecting plate, 20 - telescopic hose, 21 - telescopic rod, 22 - second vertical chute, 23 - scraper, 24 - S-shaped rod, 25 - rotating ring, 26 - cross bar, 27 - rotating shaft, 28 - first sprocket, 29 - first motor, 30 - limit ring, 31 - jack, 32 - connecting block, 33 - electromagnet, 34 - iron block, 35 - limit block, 36 - filter box, 37 - filter net, 38 - baffle, 39 - exhaust pipe, 40 - first push plate, 50 - second push plate, 41 - fourth hydraulic rod, 42 - fifth hydraulic rod, 43 - discharge pipe, 44 - second motor, 45 - second connecting rod, 46 - annular slider, 47 - annular chute, 51 - fixed ring, 52 - first connecting rod, 53 - retaining ring, 54 - horizontal chute, 55 - horizontal slider. Detailed implementation manners

[0025] The following combines the attachments in the present invention Figures 1 - 18, the technical solutions in the embodiments of the present invention are clearly and completely described, but the protection scope of the present invention is not limited to the following description.

[0026] Embodiment 1 A centrifugal screening device for processing raw materials of hot pot base, as Figures 1 - 4 shown, includes a screening box 1, a screening barrel 2 rotatably arranged in the screening box 1, a screening cylinder 3 coaxially arranged in the screening barrel 2 and dividing the screening barrel 2 into multiple screening chambers, a circular hole arranged at the center of the top end of the screening box 1, a barrel cover 4 arranged directly above the screening barrel 2 and capable of vertically passing through the circular hole and contacting the screening barrel 2 through a first driving component (the barrel cover 4 is a hollow cylindrical structure with an open bottom end), a partition cylinder 5 coaxially arranged on the inner top wall of the barrel cover 4 and dividing the barrel cover 4 into multiple cavities, and a suction plate 6 arranged in each cavity and a second driving component for driving the suction plate 6 to perform vertical displacement, as Figure 1 , Figure 2 and Figure 4 shown, the second driving component includes a second hydraulic rod 15 arranged on the suction plate 6, and the hydraulic cylinder of the second hydraulic rod 15 is arranged on the inner top wall of the barrel cover 4 or the side wall of the cavity adapted to the suction plate 6. In this embodiment, as Figure 1 , Figure 2 and Figure 4 shown, the second hydraulic rod 15 is arranged on the side wall of the cavity adapted to the suction plate 6.

[0027] Among them, as Figure 1 , Figures 2 - 5 shown, the suction plate 6 arranged in the innermost cavity is disc-shaped, and the suction plates 6 in the remaining cavities are annular; As Figures 1 - 4 shown, in addition to the innermost cavity, each of the remaining cavities is also provided with an annular insertion plate 7 and a third driving component for driving the annular insertion plate 7 to perform vertical displacement; as Figure 1 , Figure 2 and Figure 4 shown, the third driving component includes a third hydraulic rod 16 arranged on the top wall of the annular insertion plate 7, and the hydraulic cylinder of the third hydraulic rod 16 is arranged on the inner top wall of the barrel cover 4.

[0028] Except for the innermost cavity, the suction plates 6 in each of the remaining cavities are slidably connected to the outer wall of the annular insertion plate 7; As Figure 1 , Figure 2 and Figure 4As shown, a suction pipe 8 is connected to the top end of each of the suction plates 6. Each suction pipe 8 penetrates the top wall of the bucket lid 4 and is connected to a suction filtration assembly outside the bucket lid 4. Generally speaking, the suction pipe 8 can be divided into two sections. One section is connected to the suction plate 6, and the other section is connected to the suction filtration assembly. The two sections are connected by a pipe joint of the prior art. The section connected to the suction filtration assembly is provided as a flexible hose. The section connected to the suction plate 6 can be provided as a flexible hose or a rigid pipe. If it is provided as a rigid pipe, the top end of the rigid pipe needs to penetrate the top wall of the bucket lid 4 and be slidably connected to the bucket lid 4. If it is provided as a flexible hose, the pipe joint can be fixed to the bucket lid 4 so that the section of the suction pipe 8 connected to the suction plate 6 is received in the corresponding cavity.

[0029] As Figures 1 - 4 shown, the number of the screening cylinders 3 is the same as that of the partition cylinders 5, and a partition cylinder 5 is arranged directly above each screening cylinder 3; As Figure 5 shown, a plurality of suction holes are provided on the side wall and the bottom wall of the suction plate 6.

[0030] Among them, the aperture sizes of the screening holes on the bottom wall and the side wall of the screening bucket 2 are the same and smaller than the aperture sizes of the screening holes on all the screening cylinders 3; among the plurality of screening cylinders 3, from the inner layer to the outer layer, the aperture sizes of the screening holes gradually decrease; As Figure 1 shown, the bottom wall of the screening box 1 is provided with support legs, the bottom wall of the screening box 1 is provided with a discharge pipe 43, and the bottom wall of the screening box 1 is inclined downward along the direction of the discharge pipe 43.

[0031] Further, as Figures 1 - 2 shown, a central shaft is provided at the center of the bottom end of the screening bucket 2. The bottom end of the central shaft penetrates the bottom wall of the screening box 1 and is fixedly connected to the output end of a second motor 44 provided on the bottom wall of the screening box 1; a plurality of second connecting rods 45 are provided on the side wall of the screening bucket 2, and a ring-shaped slider 46 is jointly provided at the free ends of the plurality of second connecting rods 45. An annular sliding groove 47 slidably connected to the ring-shaped slider 46 is provided on the inner wall of the screening box 1.

[0032] Further, as Figure 1 and Figure 2As shown, the first driving component includes a gantry 11 arranged above the screening box 1 and a first hydraulic rod 12 arranged on the top wall of the gantry 11 (the number and positions of the first hydraulic rods 12 on the top wall of the gantry 11 are not limited); the bucket cover 4 is arranged at the telescopic end of the first hydraulic rod 12; sliding rods 13 are arranged on both sides of the bucket cover 4, and a first vertical chute 14 slidably engaged with the sliding rods 13 is arranged on the inner wall of the gantry 11 to limit the moving direction of the bucket cover 4 and ensure that it always moves vertically; a horizontal slider 55 is arranged at the bottom end of the gantry 11, and horizontal chutes 54 slidably engaged with the horizontal slider 55 are respectively arranged on both sides of the screening box 1. In actual implementation, it is preferably to adopt a fixed connection between the horizontal chute 54 and the screening box 1, such as directly connecting the horizontal chute 54 with the support legs, or connecting the horizontal chute 54 and a certain part of the screening box 1 through any connecting component in the prior art. The fixed connection can ensure that the movement paths and positional relationships of the horizontal chute 54 and the screening box 1 always remain consistent.

[0033] Further, as Figure 17 and Figure 18 shown, the suction and filtration component includes a filtration box 36 arranged outside the bucket cover 4 and connected to the suction pipe 8, a filter screen 37 horizontally arranged in the filtration box 36, a discharge port arranged on the side wall of the filtration box 36, a baffle 38 detachably arranged (such as by hinged manner) at the discharge port, an exhaust pipe 39 arranged on the side wall of the filtration box 36, and a negative pressure fan (prior art, not shown in the figure) arranged at the air outlet end of the exhaust pipe 39; As Figure 17 and Figure 18 shown, a first push plate 40 is slidably arranged in the filtration box 36, a second push plate 50 is slidably arranged on the side of the first push plate 40 close to the discharge port, and the first push plate 40 is slidably connected to the side wall of the filtration box 36 (slide rails and chutes can be respectively arranged on the two sliding surfaces to ensure that the first push plate 40 always slides in the horizontal direction). There is a small gap between the side wall of the second push plate 50 and the filtration box 36; a fourth hydraulic rod 41 for driving the first push plate 40 to move towards or away from the discharge port is arranged on the side of the filtration box 36 away from the discharge port, and a fifth hydraulic rod 42 for driving the second push plate 50 to move vertically is arranged on the side of the second push plate 50 away from the discharge port.

[0034] Working principle: First, add the crushed hot pot base material into the innermost screening cavity. Then, push the gantry 11 to make the horizontal slider 55 slide in the horizontal chute 54. When it slides to the end of the horizontal chute 54, the bucket cover 4 on the gantry 11 is just located directly above the screening bucket 2. Then, through the limiting component (such as connecting the horizontal slider 55 and the horizontal chute 54 with bolts, or directly setting the horizontal chute 54 as an electric chute, which can be automatically limited after sliding to the specified position, and the present invention does not limit the limiting component), then start the first hydraulic rod 12 to make the bucket cover 4 move downward until it contacts the top of the screening bucket 2. At this time, the bottom end of the partition cylinder 5 also contacts the top end of the screening cylinder 3 directly below it, and the suction plate 6 and the annular insertion ring are also just located at Figure 1 the position shown to block the top of each screening cavity.

[0035] Then, turn on the second motor 44 to make the central shaft drive the screening bucket 2 to rotate. Under the action of centrifugal force, the purpose of multi-stage sieving is achieved. During centrifugation, the connection between the screening bucket 2 and the bucket cover 4, and the connection between the screening cylinder 3 and the partition cylinder 5 can be a sliding connection. After sieving, materials with different particle sizes remain in the corresponding screening cavities. During the rotation of the screening bucket 2, the annular slider 46 rotates in the annular chute 47, thereby playing a certain supporting and limiting role for the screening bucket 2.

[0036] When the screening is about to end (for example, in the last few seconds before the screening ends), the third hydraulic rod 16 is opened to lower all the annular inserts 7. Since the material is still in a centrifugal state during the downward movement, the material will be located in the outer part of each screening chamber. When the annular insert 7 contacts the inner wall of the screening chamber and moves downward, there is almost no material directly below the annular insert 7 and between it and the inner wall of the screening chamber. After the annular insert 7 contacts the bottom wall of the screening chamber, the second hydraulic rod 15 and the negative pressure fan are started. Under the action of the second hydraulic rod 15, the suction plate 6 is gradually lowered into the screening chamber. Under the action of the negative pressure fan, a negative pressure is formed inside the suction filtration assembly, so that the material in the screening chamber is sucked along the suction holes at the bottom end of the suction plate 6. After being sucked into the filter box 36, it is blocked by the filter screen 37 and retained on the filter screen 37. When the material accumulates too much on the filter screen 37 and causes the suction efficiency to decrease, the fifth hydraulic rod 42 is opened to lower the second push plate 50 until it contacts the filter screen 37. Then the fourth hydraulic rod 41 is opened to move the first push plate 40 and the second push plate 50 synchronously towards the baffle 38, thereby pushing the material to one side of the filter screen 37 to ensure that the filter screen 37 can continue to work. Then the first push plate 40 and the second push plate 50 are reset. When resetting, first the second push plate 50 is lifted by the fifth hydraulic rod 42, and then the first push plate 40 and the second push plate 50 are horizontally displaced to their original positions by the fourth hydraulic rod 41 to ensure that the material on the filter screen 37 is not pushed away from the discharge port. When the material needs to be taken out, the baffle 38 is opened and the material can be taken out. After the material collection is completed, the first hydraulic rod 12 is started to lift the bucket cover 4, and the gantry 11 is moved to the other end of the horizontal chute 54, so that the screening bucket 2 can be refilled again to perform the material screening operation for the next batch.

[0037] Example 2 In Example 1, in order to seal the top of the screening chamber, the annular insert 7 needs to contact the inner side of the cavity, so that it contacts the inner side of the screening chamber during subsequent insertion. Since the screening bucket 2 is rotating continuously when the annular insert 7 is inserted, there will be relatively large friction between the annular insert 7 and the inner side of the screening chamber directly below it, seriously affecting the service performance and service life of the annular insert 7 and the screening cylinder 3. In addition, since the suction plate 6 contacts the side wall of the screening chamber when moving, it is difficult for the suction holes on the side wall of the suction plate 6 to play a suction role, resulting in a decrease in suction efficiency. Based on this, on the basis of Example 1, as Figure 6 and Figure 7 shown, a first connecting ring 9 is provided on the outer wall of each partition cylinder 5, and a second connecting ring 10 is provided on the inner wall of the bucket cover 4 and each partition cylinder 5; in each cavity, the outer wall of the suction plate 6 is slidably connected to the inner wall of the second connecting ring 10, and the inner wall of the annular insert 7 is slidably connected to the outer wall of the first connecting ring 9.

[0038] In this embodiment, through the cooperative action of the first connecting ring 9, the second connecting ring 10 and the suction plate 6, the top of the innermost screening cavity can be blocked. Through the cooperative action of the first connecting ring 9, the second connecting ring 10, the suction plate 6 and the annular insertion plate 7, the tops of the remaining screening cavities can be blocked. In addition, through the arrangement of the first connecting ring 9 and the second connecting ring 10, a certain gap can be formed between the annular insertion plate 7 and the suction plate 6 and the side wall of the screening cavity during operation, thereby avoiding excessive friction between the annular insertion plate 7 and the side wall of the screening cavity and ensuring that the suction holes on the side wall of the suction plate 6 can also function smoothly. In addition, during the entire insertion process of the annular insertion plate 7, the top of the screening cavity can always be kept blocked, preventing the material from spreading into the cavity.

[0039] Embodiment 3 In Embodiment 1 or Embodiment 2, when adding materials, it is necessary to stop the centrifugal screening operation and open the bucket cover 4, which is rather troublesome. Based on this, on the basis of Embodiment 1 or 2, as Figure 8 shown, a feed inlet 17 is provided at the center of the top of the bucket cover 4 (the vertical projection of the feed inlet 17 is located in the innermost cavity), a feed pipe 18 coaxial with the innermost cavity is provided in the feed inlet 17, and the outer wall of the feed pipe 18 is connected to the inner wall of the second connecting ring 10 in the innermost cavity. In this way, it can be avoided that the material drops onto the second connecting ring 10, resulting in material loss; as Figure 8 and Figure 9 shown, the second driving assembly located in the innermost cavity includes two symmetric second hydraulic rods 15 provided on the side wall of the cavity, two first connecting rods 52 provided on the side wall of the suction plate 6 in the cavity, and a connecting plate 19 provided at the free ends of the first connecting rods 52; the telescopic ends of the second hydraulic rods 15 penetrate through the second connecting ring 10 and are respectively connected to the two connecting plates 19. In this solution, when adding materials, directly add materials to the feed inlet 17, and the materials fall along the feed pipe 18 onto the suction plate 6. During this process, start the second hydraulic rod 15 to move the suction plate 6 downward by a certain distance, so that a certain gap is formed between the suction plate 6 and the second connecting ring 10, and the materials fall into the screening cavity along this gap, thus achieving the purpose of adding materials while performing centrifugal screening.

[0040] Embodiment 4 In Embodiment 3, during the process of starting the second hydraulic rod 15 to move the suction plate 6 downward, a large amount of added materials will directly contact the telescopic section (i.e., the piston) of the second hydraulic rod 15, and dust will adhere to the piston during contact, which is likely to increase the wear of the sliding surface of the hydraulic cylinder and seriously affect the service life of the second hydraulic rod 15. Based on this, on the basis of Embodiment 3, as Figure 8As shown, a telescopic hose 20 (such as a transparent steel wire hose) is provided between the connecting plate 19 and the second connecting ring 10. By providing the telescopic hose 20, the piston of the second hydraulic rod 15 can be protected, and thus, during the feeding process, the material can be prevented from contacting the piston, improving the service life of the second hydraulic rod 15.

[0041] However, during actual implementation, since the piston of the second hydraulic rod 15 needs to drive the suction plate 6 to move down to the bottom wall of the screening box 1, thus, the length of the telescopic hose 20 is set to be relatively long. When feeding, since the downward movement distance of the suction plate 6 itself is relatively short, therefore, the overall elongation of the telescopic hose 20 is relatively short, resulting in a large number of compression wrinkles on the surface of the telescopic hose 20. As a result, the material will adhere to the wrinkled surface or the wrinkled gaps of the telescopic hose 20, making it difficult for the material to be screened.

[0042] Based on this, as Figure 12 and Figure 15 shown, the telescopic hose 20 includes an upper telescopic tube and a lower telescopic tube (the length of the upper telescopic tube is longer than that of the lower telescopic tube), and a limiting ring 30 provided on the outer wall of the bottom end of the upper telescopic tube; as Figure 13 and Figure 14 shown, a jack 31 is provided on the side wall of the limiting ring 30. A connecting block 32 is provided at the bottom end of the second connecting ring 10 located in the innermost cavity. A receiving cavity is provided on one side of the connecting block 32 close to the jack 31. An electromagnet 33 (prior art) is fixedly provided in the receiving cavity. A spring is provided at one end of the electromagnet 33 close to the jack 31. An iron block 34 slidably connected to the inner wall of the receiving cavity is provided at one end of the spring close to the jack 31. A limiting block 35 capable of inserting into the jack 31 is provided at one end of the iron block 34 close to the jack 31. As Figure 12 and Figure 16 shown, a retaining ring 53 is provided at the bottom end of the second connecting ring 10 and directly above the limiting ring 30. The retaining ring 53 can contact the limiting ring 30.

[0043] During specific implementation, when feeding, the second hydraulic rod drives the suction plate 6 to move down until the lower telescopic tube is fully extended. At this time, the upper telescopic tube is completely in a compressed state and is located within the retaining ring 53. Therefore, during the feeding process, the material will not contact the upper telescopic tube at all, preventing the material from adhering to the wrinkled surface of the upper telescopic tube. And since the lower telescopic tube is in a fully extended state and has no wrinkles on its surface, it can effectively reduce the adhesion of the material.

[0044] When it is necessary to suck the material after the centrifugal screening is completed, the electromagnet 33 is started, so that the magnet drives the limit block 35 to move away from the jack 31, thereby releasing the limit on the limit ring 30. In this way, the upper telescopic pipe and the lower telescopic pipe can be elongated as the suction plate 6 moves downward, so that the compression hose can always protect the piston of the second hydraulic rod 15 during the whole process.

[0045] Embodiment 5 In Embodiment 3 or Embodiment 4, during feeding, some materials will fall to the top of the suction plate 6, resulting in insufficient screening of the materials. Based on this, the top of the suction plate 6 is set as a conical surface (not shown in the figure). Although the conical surface can alleviate material residue, due to the large area of the conical surface and the retention of the materials, in actual implementation, a certain amount of materials will still remain on the conical surface. Based on this, as Figure 8 and Figure 10 shown, a telescopic rod 21 is arranged in the feed pipe 18. The telescopic rod 21 is composed of an upper rod and a lower rod slidably arranged inside the upper rod (both the upper rod and the lower rod are hollow rods). The inner wall of the upper rod is provided with a second vertical chute 22, and the outer wall of the lower rod is provided with a vertical slider slidably matched with the second vertical chute 22; the bottom end of the lower rod is rotatably connected to the top of the circular suction plate 6 (i.e., the center of the top of the conical surface), and a scraper 23 is fixedly connected to the lower rod. The bottom end of the scraper 23 is in contact with the top surface of the circular suction plate 6; as Figure 4 and Figure 11 shown, a plurality of S-shaped rods 24 are arranged on the side wall of the upper rod. The top ends of the plurality of S-shaped rods 24 are connected to a rotating ring 25 rotatably arranged around the feed port 17, and the rotating ring 25 is rotated by a fourth driving assembly; a plurality of cross rods 26 are arranged between the upper rod and the S-shaped rods 24 to improve the connection firmness between the telescopic rod 21 and the S-shaped rods 24, and at the same time, the materials can be dredged during its rotation to prevent the materials from being blocked in the feed pipe 18. In this embodiment, in the innermost cavity, the suction pipe 8 connected to the suction plate 6 is a vertically arranged rigid pipe, and the rigid pipe is movably arranged inside the inner rod (not shown in the figure), and the top end of the rigid pipe penetrates through the top wall of the barrel cover 4 and is slidably connected with the barrel cover 4.

[0046] Further, as Figure 11As shown, the fourth driving component includes a rotating shaft 27 disposed at the top end of the bucket cover 4, a first sprocket 28 and a second sprocket respectively sleeved outside the rotating shaft 27 and the rotating ring 25, and a first motor 29 disposed at the top end of the bucket cover 4 through a motor bracket and fixedly connected to the top end of the rotating shaft 27; the first sprocket 28 and the second sprocket are meshed with each other; a fixing ring 51 is fixedly disposed at the top end of the bucket cover 4 through an inclined rod (so that when feeding materials, the container for holding the materials can directly contact the fixing ring 51, and in the case of using the pouring method, a certain support can be provided for the container), the fixing ring 51 is disposed directly above the rotating ring 25 and is rotatably connected to the rotating ring 25.

[0047] Working principle: During the feeding process, the suction plate 6 is moved down a certain distance (the distance should not be too large to avoid affecting the centrifugal operation of the materials in the innermost cavity) and the first motor 29 is turned on. Under the action of the first motor 29, the first sprocket 28 outside the rotating shaft 27 drives the second sprocket to rotate, thereby causing the rotating ring 25 to rotate, and further causing the S-shaped rod 24, the cross bar 26 and the telescopic rod 21 to rotate, and further causing the scraper 23 to rotate on the top end of the suction plate 6 to scrape off the materials adhered to the top end of the suction plate 6 and prevent the materials from accumulating on the suction plate 6.

Claims

1. A centrifugal screening device for processing raw materials of hot pot base, characterized in that, It includes a screening box (1), a screening barrel (2) rotatably arranged inside the screening box (1), a screening cylinder (3) coaxially arranged inside the screening barrel (2) and dividing the screening barrel (2) into multiple screening chambers, a circular hole arranged at the center of the top end of the screening box (1), a barrel cover (4) arranged directly above the screening barrel (2) and capable of vertically passing through the circular hole and contacting the screening barrel (2) through a first driving assembly, a partition cylinder (5) coaxially arranged on the inner top wall of the barrel cover (4) and dividing the barrel cover (4) into multiple cavities, and a suction plate (6) arranged in each cavity and a second driving assembly for driving the suction plate (6) to perform vertical displacement; Among them, the suction plate (6) arranged in the innermost cavity is disc-shaped, and the suction plates (6) in the remaining cavities are annular; Except for the innermost cavity, each of the remaining cavities is further provided with an annular insertion plate (7) and a third driving assembly for driving the annular insertion plate (7) to perform vertical displacement; Except for the innermost cavity, the suction plates (6) in each of the remaining cavities are slidably connected to the outer wall of the annular insertion plate (7); A suction pipe (8) is connected to the top end of each suction plate (6), and each suction pipe (8) penetrates the top wall of the barrel cover (4) and is connected to a suction filtration assembly outside the barrel cover (4); The number of the screening cylinders (3) is the same as that of the partition cylinders (5), and a partition cylinder (5) is arranged directly above each screening cylinder (3); The side wall and the bottom wall of the suction plate (6) are provided with a plurality of suction holes.

2. The centrifugal screening device for processing raw materials of hot pot base according to claim 1, characterized in that A first connecting ring (9) is arranged on the outer wall of each partition cylinder (5), and a second connecting ring (10) is arranged on the inner wall of the barrel cover (4) and each partition cylinder (5); In each cavity, the outer wall of the suction plate (6) is slidably connected to the inner wall of the second connecting ring (10), and the inner wall of the annular insertion plate (7) is slidably connected to the outer wall of the first connecting ring (9).

3. The centrifugal screening device for processing raw materials of hot pot base according to claim 2, characterized in that, The first driving assembly includes a gantry (11) arranged above the screening box (1) and a first hydraulic rod (12) arranged on the top wall of the gantry (11); the barrel cover (4) is arranged at the telescopic end of the first hydraulic rod (12); sliding rods (13) are arranged on both sides of the barrel cover (4), and a first vertical chute (14) slidably matched with the sliding rods (13) is arranged on the inner wall of the gantry (11); The second driving assembly includes a second hydraulic rod (15) arranged on the suction plate (6), and the hydraulic cylinder of the second hydraulic rod (15) is arranged on the inner top wall of the barrel cover (4) or the side wall of the cavity adapted to the suction plate (6); The third driving assembly includes a third hydraulic rod (16) arranged on the top wall of the annular insertion plate (7), and the hydraulic cylinder of the third hydraulic rod (16) is arranged on the inner top wall of the barrel cover (4).

4. The centrifugal screening device for processing raw materials of hot pot base according to claim 1, characterized in that, At the center of the top end of the bucket cover (4), a feed inlet (17) is provided. Inside the feed inlet (17), a feed pipe (18) coaxial with the innermost cavity is arranged. The outer wall of the feed pipe (18) is connected to the inner wall of the second connecting ring (10) in the innermost cavity. The second driving assembly located in the innermost cavity includes two symmetric second hydraulic rods (15) arranged on the side wall of the cavity, two first connecting rods (52) on the side wall of the suction plate (6) arranged in the cavity, and a connecting plate (19) arranged at the free ends of the first connecting rods (52); the telescopic ends of the second hydraulic rods (15) penetrate through the second connecting ring (10) and are respectively connected to the two connecting plates (19).

5. The centrifugal screening device for processing raw materials of hot pot base according to claim 4, wherein, A telescopic hose (20) is arranged between the connecting plate (19) and the second connecting ring (10).

6. The centrifugal screening device for processing raw materials of hot pot base according to claim 5, characterized in that, A telescopic rod (21) is arranged in the feed pipe (18). The telescopic rod (21) consists of an upper rod and a lower rod slidably arranged inside the upper rod. The inner wall of the upper rod is provided with a second vertical chute (22), and the outer wall of the lower rod is provided with a vertical slider slidably matched with the second vertical chute (22); the bottom end of the lower rod is rotatably connected to the top end of the circular suction plate (6). A scraping plate (23) is fixedly connected to the lower rod, and the bottom end of the scraping plate (23) is in contact with the top surface of the circular suction plate (6); a plurality of S-shaped rods (24) are arranged on the side wall of the upper rod. The top ends of the plurality of S-shaped rods (24) are connected to a rotating ring (25) rotatably arranged around the feed inlet (17). The rotating ring (25) is rotated by a fourth driving assembly; a plurality of cross rods (26) are arranged between the upper rod and the S-shaped rods (24).

7. The centrifugal screening device for processing raw materials of hot pot base according to claim 6, characterized in that, The fourth driving assembly includes a rotating shaft (27) arranged at the top end of the bucket cover (4), a first sprocket (28) and a second sprocket respectively sleeved outside the rotating shaft (27) and the rotating ring (25), and a first motor (29) arranged at the top end of the bucket cover (4) through a motor bracket and fixedly connected to the top end of the rotating shaft (27); the first sprocket (28) and the second sprocket are meshed with each other; a fixed ring (51) is fixedly arranged at the top end of the bucket cover (4) through an inclined rod. The fixed ring (51) is arranged directly above the rotating ring (25) and is rotatably connected to the rotating ring (25).

8. The centrifugal screening device for processing raw materials of hot pot base according to claim 5, wherein, The telescopic hose (20) includes an upper telescopic pipe and a lower telescopic pipe, and a limit ring (30) provided on the outer wall of the bottom end of the upper telescopic pipe; a jack (31) is provided on the side wall of the limit ring (30), a connection block (32) is provided at the bottom end of the second connection ring (10) located in the innermost cavity, a receiving cavity is provided on one side of the connection block (32) close to the jack (31), an electromagnet (33) is fixedly provided in the receiving cavity, a spring is provided at one end of the electromagnet (33) close to the jack (31), an iron block (34) slidably connected to the inner wall of the receiving cavity is provided at one end of the spring close to the jack (31), and a limit block (35) capable of being inserted into the jack (31) is provided at one end of the iron block (34) close to the jack (31).

9. The centrifugal screening device for processing raw materials of hot pot base according to claim 1, wherein, The suction filtration assembly includes a filtration box (36) provided outside the bucket cover (4) and connected to the suction pipe (8), a filter screen (37) provided in the filtration box (36), a discharge port provided on the side wall of the filtration box (36), a baffle (38) provided at the discharge port, an exhaust pipe (39) provided on the side wall of the filtration box (36), and a negative pressure fan provided at the air outlet end of the exhaust pipe (39); A first push plate (40) is slidably provided in the filtration box (36), and a second push plate (50) is slidably provided on one side of the first push plate (40) close to the discharge port; a fourth hydraulic rod (41) for driving the first push plate (40) to move towards or away from the discharge port is provided on one side of the filtration box (36) away from the discharge port, and a fifth hydraulic rod (42) for driving the second push plate (50) to perform vertical displacement is provided on one side of the second push plate (50) away from the discharge port.

10. A centrifugal screening device for processing raw materials of hot pot base according to claim 1, characterized in that, A central shaft is provided at the center of the bottom end of the screening bucket (2), the bottom end of the central shaft penetrates the bottom wall of the screening box (1) and is fixedly connected to the output end of a second motor (44) provided on the bottom wall of the screening box (1); a plurality of second connecting rods (45) are provided on the side wall of the screening bucket (2), a ring-shaped slider (46) is jointly provided at the free ends of the plurality of second connecting rods (45), and a ring-shaped chute (47) slidably connected to the ring-shaped slider (46) is provided on the inner wall of the screening box (1).

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