Multi-stage screening device for processing hotpot condiment raw materials and facilitating material taking

Abstract

The invention provides a multi-stage screening device facilitating material taking and used for hotpot condiment raw material processing, and belongs to the technical field of hotpot condiment raw material processing. Comprising a screening box, a plurality of screening plates which are sequentially arranged in the screening box from top to bottom and can synchronously and vertically vibrate, discharging openings formed in the centers of the screening plates, and material guiding devices which are arranged below the screening plates and communicate with the discharging openings. The material guiding device comprises a first material guiding pipe vertically arranged at the bottom end of the discharging port, a second material guiding pipe obliquely arranged at the discharging end of the first material guiding pipe, an opening formed in the side wall of the screening box, a collecting box arranged outside the opening and a sleeve plate arranged outside the second material guiding pipe in a sleeving mode. The first telescopic device is arranged between the top end of the sleeve plate and the top end of the opening, and the second telescopic device is arranged between the bottom end of the sleeve plate and the bottom end of the opening; by means of the device, materials retained on each layer of screening plate can be guided out, and the purpose of multi-stage screening and material taking is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of hot pot soup base material processing, in particular to a multi-stage screening device for hot pot soup base material processing which is convenient for material collection. Background Art

[0002] Hot pot soup base is one of the basic ingredients for hot pot cooking. It is made of various spices, seasonings and ingredients. The raw materials of hot pot soup base are of various kinds, usually including meat, seafood, beans, vegetables, spices, seasonings, etc. Before frying the hot pot soup base, it is necessary to chop the spices, peppers and other large-sized raw materials in advance, and then sieve them to obtain raw materials with a specified particle size.

[0003] In the prior art, a patent with application number CN202410732709.4 discloses a hot pot base raw material screening device, which can collect large-volume raw materials retained on the screen and small-volume raw materials falling below the screen separately, significantly improving the convenience of material retrieval.

[0004] However, in actual use, the above device is only applicable to a single-stage screening device, that is, a screening device with only one screen plate, for taking out the bulky raw material retained on the screen, and is not applicable to a multi-stage screening device. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a multi-stage screening device for processing hot pot base raw materials that is easy to take out, so as to achieve the purpose of conveniently taking out the materials retained on each screen plate in the multi-stage screening device.

[0006] The objective of the present invention is achieved through the following technical solutions: A multi-stage screening device for processing hot pot soup base ingredients that is convenient for material collection, comprising a screening box, a plurality of screening plates arranged in the screening box from top to bottom and capable of synchronously vibrating vertically, a material outlet arranged at the center of each of the screening plates, and a material guide device arranged under each of the screening plates and connected to the material outlet; The material guide device comprises a first material guide pipe vertically arranged at the bottom end of the material outlet, a second material guide pipe obliquely arranged at the material outlet end of the first material guide pipe, an opening arranged on the side wall of the screening box, a collection box arranged outside the opening, a sleeve plate sleeved outside the second material guide pipe, a first telescopic device arranged between the top end of the sleeve plate and the top end of the opening, and a second telescopic device arranged between the bottom end of the sleeve plate and the bottom end of the opening; The sleeve plate, the first telescopic device and the second telescopic device are respectively connected to the inner wall of the opening in a sliding manner; the edge height of the screening plate is higher than the center height.

[0007] Preferably, the first telescopic device comprises a first fixing plate arranged at the top end of the opening, and a second fixing plate arranged at the top end of the sleeve plate, the first fixing plate and the second fixing plate are slidably connected at one side close to each other, and both sides of the first fixing plate and the second fixing plate are slidably connected to the inner wall of the opening respectively; The second telescopic device includes a third fixed plate arranged at the bottom end of the opening, and a fourth fixed plate arranged at the bottom end of the sleeve plate. The third fixed plate and the fourth fixed plate are slidably connected on one side close to each other, and the two sides of the third fixed plate and the fourth fixed plate are respectively slidably connected to the inner wall of the opening.

[0008] Preferably, the first fixing plate and the fourth fixing plate are arranged near the center of the screening box, and their vertical projections are located inside the side wall of the screening box; a material guide plate is obliquely arranged at the lower part of one side of the third fixing plate close to the fourth fixing plate.

[0009] Preferably, the material guide plate is slidably connected to the third fixed plate, a connecting rod is provided on the top wall of the material guide plate, and a top end of the connecting rod is fixedly connected to a second material guide tube closest thereto.

[0010] Preferably, a baffle is vertically arranged at the bottom end of the guide plate, and the baffle is slidably connected to the inner wall of the screening box.

[0011] Preferably, a first connection frame is provided at the edge of each screening plate, a plurality of first springs are provided at the bottom wall of the first connection frame, a second connection frame is provided at the bottom ends of the first springs, and the second connection frame is fixedly connected to the inner wall of the screening box; a telescopic rod is provided inside the first spring; Preferably, a first closed shielding curtain is provided between the top end of each first connecting frame and the inner wall of the screening box, and a second closed shielding curtain is provided between the bottom end of each first connecting frame and the second connecting frame.

[0012] Preferably, it also includes a cover plate arranged at each of the discharge ports, a vertical rod connecting the multiple cover plates, a driving device for driving the multiple cover plates to move up and down synchronously, and a connecting device for connecting any cover plate and a screening plate matched therewith; the top surface of the cover plate is spherical.

[0013] Preferably, the driving device includes two oblique rods arranged at the top of the uppermost cover plate and distributed in an eight-shaped shape, a limiting rod arranged at the top of the two oblique rods and slidably connected to the inner wall of the screening box, a hydraulic rod arranged on the top wall of the screening box, and a closed ring fixedly arranged at the telescopic end of the hydraulic rod; the limiting rod is horizontally arranged in the closed ring, and the closed ring is arranged between the two oblique rods.

[0014] Preferably, the connecting device includes a horizontal groove arranged in the cover plate, an electromagnet arranged in the horizontal groove, a second spring arranged at one end of the electromagnet, a moving iron core arranged on a side of the second spring away from the electromagnet, a limit block arranged on a side of the moving iron core away from the second spring, and a slot arranged on the inner wall of the discharge port and adapted to the limit block.

[0015] Compared with the prior art, the present invention has the following effects: 1. By arranging a discharge port at the center of each screening plate, arranging a material guide device connected with the discharge port under each screening plate, and limiting the edge height of the screening plate to be higher than the center height of the screening plate, the screening plate can form a concave shape, so that when the screening plate vibrates vertically, the material can gradually jump to the discharge port at the center of the screening plate, and then the material retained on each screening plate is discharged along the material guide device, thereby achieving the purpose of collecting the material retained on each screening plate.

[0016] 2. By limiting the material guiding device to include a first material guiding pipe, a second material guiding pipe, an opening arranged on the side wall of the screening box, a collecting box arranged outside the opening, a sleeve plate sleeved outside the second material guiding pipe, a first telescopic device arranged at the top end of the sleeve plate and the top end of the opening, and a second telescopic device arranged at the bottom end of the sleeve plate and the bottom end of the opening, when the screening plate vibrates vertically, the first material guiding pipe, the second material guiding pipe and the sleeve plate connected to the screening plate can be synchronously vibrated vertically, thereby guiding the material on the screening plate along the first material guiding pipe and the second material guiding pipe to the collecting box, thereby achieving the purpose of collection.

[0017] Among them, the set sleeve plate, the first telescopic device and the second telescopic device can fill the gap between the second material guide tube and the opening, thereby preventing the material outside the first material guide tube and the second material guide tube from entering the collection box along the gap when collecting the material, resulting in insufficient screening of the material in the collection box.

[0018] Furthermore, the first telescopic device and the second telescopic device are both vertical telescopic devices, which can adaptively expand and contract when the sleeve plate moves up and down to ensure that the gap between the top wall of the sleeve plate and the top wall of the opening, and the gap between the bottom wall of the sleeve plate and the bottom wall of the opening can always be filled, thereby ensuring smooth material guiding and preventing materials outside the first material guide tube and the second material guide tube from diffusing along the opening into the collection box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the cross-sectional structure of the present invention in the front view direction in Example 1; Figure 2 for Figure 1 A schematic diagram of the structure when looking from the right side of the middle opening; Figure 3 for Figure 1 A schematic diagram of the structure when looking down at the middle opening; Figure 4 This is a schematic diagram of the cross-sectional structure of the present invention in the front view direction in Example 2; Figure 5 This is a schematic diagram of the cross-sectional structure of the present invention in the front view direction in Example 3; Figure 6 for Figure 5 A is a schematic diagram of the enlarged structure of the middle part; Figure 7 This is a schematic diagram of the cross-sectional structure of the present invention in the front view direction in Example 4; Figure 8 for Figure 7 Schematic diagram of the enlarged structure of B; Fig. 9 for Figure 7 A schematic diagram of the structure of the middle closed circle in the side view direction; Fig.10 for Figure 7 A schematic diagram of the cross-sectional structure in the front view direction after the middle cover is opened; In the figure: 1-screening box, 2-screening plate, 3-discharging port, 4-first material guide pipe, 5-second material guide pipe, 40-opening, 6-sleeve plate, 7-first fixed plate, 8-second fixed plate, 9-third fixed plate, 10-fourth fixed plate, 11-material guide plate, 13-connecting rod, 14-baffle, 16-first connecting frame, 17-second connecting frame, 18-first spring, 19-fixed rod, 22-vibration motor, 23-first closed shielding curtain, 24-second closed shielding curtain, 25-cover plate, 26-vertical rod, 27-limit rod, 28-hydraulic rod, 29-closed ring, 30-horizontal groove, 31-electromagnet, 35-second spring, 32-moving iron core, 33-limit block, 34-slot. DETAILED DESCRIPTION

[0020] Example 1 A multi-stage screening device for processing hot pot base ingredients that is easy to take out, such as Figure 1-Figure 3 As shown, it includes a screening box 1, supporting legs arranged at the four corners of the screening box 1, a feed port arranged on the top wall of the screening box 1, a discharge pipe arranged on the bottom wall of the screening box 1 (the prior art, not shown in the figure, is used to collect the materials dropped to the bottom wall of the screening box 1), a plurality of screening plates 2 arranged in sequence from top to bottom in the screening box 1 and capable of synchronous vertical vibration (the apertures of the screen holes of the plurality of screening plates 2 decrease from top to bottom), a discharge port 3 arranged at the center of each of the screening plates 2, and a material guide device arranged below each of the screening plates 2 and connected to the discharge port 3; wherein the edge height of the screening plate 2 is higher than the center height, that is, in actual implementation, as Figure 1As shown, the screening plate 2 is a concave structure, which may be bowl-shaped, cone-shaped, etc. Figure 1-Figure 3 As shown, the material guiding device includes a first material guiding pipe 4 vertically arranged at the bottom end of the material outlet 3 of each screening plate 2, a second material guiding pipe 5 obliquely arranged at the material outlet end of the first material guiding pipe 4, an opening 40 arranged on the side wall of the screening box 1, a collecting box arranged outside the opening 40, a sleeve plate 6 sleeved on the outside of the second material guiding pipe 5, a first telescopic device arranged between the top end of the sleeve plate 6 and the top end of the opening 40, and a second telescopic device arranged between the bottom end of the sleeve plate 6 and the bottom end of the opening 40; the sleeve plate 6, the first telescopic device and the second telescopic device are respectively slidably connected to the inner wall of the opening 40.

[0021] Further, such as Figure 1-Figure 3 As shown, the first telescopic device includes a first fixing plate 7 disposed at the top of the opening 40, and a second fixing plate 8 disposed at the top of the sleeve plate 6 and slidably connected to the inner walls of both sides of the opening 40. Figure 3 As shown, the first fixing plate 7 and the second fixing plate 8 are slidably connected at the side close to each other; the second telescopic device includes a third fixing plate 9 arranged at the bottom end of the opening 40, and a fourth fixing plate 10 arranged at the bottom end of the sleeve plate 6 and slidably connected to the inner walls of both sides of the opening 40, and the third fixing plate 9 and the fourth fixing plate 10 are slidably connected at the side close to each other. Further, as Figure 1 As shown, the first fixing plate 7 and the fourth fixing plate 10 are arranged near the center of the screening box 1, and the vertical projections of the two are located inside the side wall of the screening box 1; the third fixing plate 9 is provided with a guide plate 11 at an angle at the lower part of one side close to the fourth fixing plate 10. It is worth noting that when setting the height of the four fixing plates, it is necessary to ensure that the fourth fixing plate 10 does not collide with the guide plate 11 when it moves up and down, and at the same time, ensure that the first fixing plate 7 and the second fixing plate 8, and the third fixing plate 9 and the fourth fixing plate 10 do not separate.

[0022] Further, such as Figure 1As shown, a first connecting frame 16 is provided at the edge of each screening plate 2, a plurality of first springs 18 are provided at the bottom wall of the first connecting frame 16, a second connecting frame 17 is provided at the bottom end of the first spring 18 (in the present embodiment, the first connecting frame 16 and the second connecting frame 17 are both provided in a square shape), and the second connecting frame 17 is fixedly connected to the inner wall of the screening box 1. In actual implementation, a shock-absorbing material such as rubber can be selected for the second connecting frame 17; a telescopic rod is provided in the first spring 18 to limit the second spring 35 and to adaptably expand and contract as the second spring 35 expands and contracts, the top end of the telescopic rod is connected to the bottom wall of the screening plate 2, and the bottom end of the telescopic rod is connected to the second connecting frame 17; a vibration motor 22 is provided on the bottom screening plate 2. As shown Figure 1 As shown, the plurality of screening plates 2 are fixed by fixing rods 19 .

[0023] Working principle: Add the hot pot soup base ingredients to be screened into the screening box 1 along the feed inlet (the feed inlet is set as close to the top wall edge of the screening box 1 as possible, so that the materials can fall to the position of the topmost screening plate 2 near the edge), and then start the vibration motor 22. Under the action of the vibration motor 22, the telescopic rod and the first spring 18 are extended and retracted up and down, so that multiple screening plates 2 are synchronously vibrated vertically to achieve the purpose of multi-stage screening of the raw materials. During the vibration screening process, the raw materials on each screening plate 2 will continuously jump toward the discharge port 3, and finally fall along the discharge port 3 into the first guide pipe 4 connected to the discharge port 3, and then be guided to the collection box along the second guide pipe 5 for collection.

[0024] During the up and down vibration of the screening plate 2, the first material guide tube 4, the second material guide tube 5 and the sleeve plate 6 move up and down with the up and down vibration of the screening plate 2. Specifically, the sleeve plate 6, the second fixed plate 8 and the fourth fixed plate 10 slide up and down synchronously in the opening 40. At the same time, the second fixed plate 8 slides on the surface of the first fixed plate 7, and the fourth fixed plate 10 slides on the surface of the third fixed plate 9 to ensure that the opening 40 can always be filled when the sleeve plate 6 moves up and down, thereby preventing materials outside the first material guide tube 4 and the second material guide tube 5 from entering the collection box along the opening 40.

[0025] Since the first material guide pipe 4 and the second material guide pipe 5 continuously vibrate up and down with the screening plate 2, the materials entering the first material guide pipe 4 and the second material guide pipe 5 can be vibrated, thereby avoiding the materials from being blocked in the two material guide pipes and improving the smoothness of the material guide. In order to screen the materials entering the first material guide pipe 4 and the second material guide pipe 5 again, in actual implementation, the bottom wall and the side wall of the first and second material guide pipes 5 are provided with a plurality of sieve holes (existing technology, not shown in the figure) so that the materials entering the first and second material guide pipes can be vibrated and screened again to improve the sufficiency of screening. Among them, the sieve hole apertures on the first and second material guide pipes 5 are the same as the sieve hole apertures on the screening plate 2 connected to the first material guide pipe 4.

[0026] like Figure 1 As shown, since the bottom wall of the opening 40 is horizontal, it is difficult for the material to fall after spreading there, resulting in material residue. Based on this, the present invention can prevent the material from falling to the bottom wall of the opening 40 by tilting a material guide plate 11, and at the same time, promote the material to slide along the inclined surface of the material guide plate 11, thereby greatly reducing material residue.

[0027] Example 2 In Example 1, in order to effectively avoid collision between the screening plate 2 and the screening box 1, thereby extending the service life of the screening plate 2, in actual implementation, a gap is set between the screening plate 2 and the inner wall of the screening box 1. However, the gap setting can easily cause the material to be stuck in the gap, and also cause some unscreened materials to fall directly through the gap, seriously affecting the adequacy of screening; in addition, when the material is vibrated and screened, part of the material diffuses into the first spring 18, which has an adverse effect on the deformation of the first spring 18, thereby seriously affecting the vibration screening operation. Based on this, on the basis of Example 1, as Figure 4 As shown, a first closed shielding curtain 23 is provided between the top of each first connection frame 16 and the inner wall of the screening box 1, and a second closed shielding curtain 24 is provided between the bottom of each first connection frame 16 and the second connection frame 17. By providing the first closed shielding curtain 23, the gap between the screening plate 2 and the screening box 1 can be shielded to prevent materials from falling along the gap and ensure sufficient screening. At the same time, the first closed shielding curtain 23 is made of a flexible material and can be deformed as the screening plate 2 vibrates up and down, without causing any hindrance to the vibration of the screening plate 2. By providing the second closed shielding curtain 24, the first spring 18 can be shielded to prevent materials from diffusing into the first spring 18 and affecting the performance of the first spring 18. At the same time, the second closed shielding curtain 24 is made of a flexible material and can be deformed as the screening plate 2 vibrates up and down, without causing any hindrance to the vibration of the screening plate 2.

[0028] Example 3 In Example 1, the guide plate 11 is fixedly arranged on the third fixed plate 9, and it is always in a stationary state during the material guiding process, and it is difficult for the material attached to its surface to fall completely. Based on this, on the basis of Example 1 or 2, as Figure 5 and Figure 6 As shown, the guide plate 11 is slidably connected to the third fixed plate 9, that is, the guide plate 11 can slide up and down the side wall of the third fixed plate 9, and the top wall of the guide plate 11 is provided with a connecting rod 13, and the top end of the connecting rod 13 is fixedly connected to the second guide tube 5 closest to it. Figure 5 and Figure 6 As shown, a baffle plate 14 is vertically arranged at the bottom end of the guide plate 11 , and the baffle plate 14 is slidably connected to the inner wall of the screening box 1 .

[0029] Working principle: During vibration screening, the up and down displacement of the second material guide tube 5 will drive the connecting rod 13 to move up and down synchronously, thereby driving the material guide plate 11 to slide up and down on the side wall of the third fixed plate 9, and driving the baffle 14 to slide up and down on the inner wall of the screening box 1. By making the material guide plate 11 vibrate vertically, the material attached to the material guide plate 11 can be shaken off. Compared with the stationary material guide plate 11, this embodiment can achieve the purpose of vibration shaking of materials by continuously moving the material guide plate 11 up and down, and significantly reduce the residual material on the surface of the material guide plate 11. By setting the baffle 14, a barrier layer can be formed between the bottom wall of the material guide plate 11 and the bottom wall of the opening 40, so as to prevent part of the material from diffusing along the bottom of the material guide plate 11 to the bottom wall of the opening 40 when the material guide plate 11 moves up, resulting in residual material on the bottom wall of the opening 40.

[0030] It is worth noting that the sliding connections referred to in Examples 1-3 are all prior art and can be achieved by providing sliders and slide grooves in actual implementation.

[0031] Example 4 In Example 1, although the feed port is not directly opposite to the discharge port 3 of the screening plate 2, the vibration time of the material on the first screening plate 2 can be prolonged, thereby improving the sieving efficiency. However, during the actual screening, some materials still enter the discharge port 3 without being fully screened. At the same time, because the materials on the first screening plate 2 do not directly fall to the edge of the second screening plate 2, the materials on the second screening plate 2 do not directly fall to the third screening plate 2, resulting in even more inadequate screening of the lower screening plates 2. Based on this, on the basis of Example 1 or 2 or 3, as shown in FIG. Figure 7-Figure 10As shown, it also includes a cover plate 25 arranged at each of the discharge ports 3, a vertical rod 26 connecting the multiple cover plates 25 (the vertical rod 26 is slidably connected to the first material guide tube 4 penetrating therethrough), a driving device for driving the multiple cover plates 25 to move up and down synchronously, and a connecting device for connecting any one of the cover plates 25 (the topmost cover plate 25 selected in this embodiment, because the cover plates 25 are fixedly connected by the vertical rod 26, so after one of the cover plates 25 is limited to the screening plate 2, the remaining cover plates 25 are naturally limited to the screening plate 2 adapted thereto) and the screening plate 2 adapted thereto. In this solution, when vibrating and screening, the cover plate 25 is limited to the screening plate 2 by the connecting device, so that the cover plate 25 and the vertical rod 26 move up and down synchronously with the screening plate 2. By setting the cover plate 25, the discharge port 3 on each screening plate 2 can be blocked during the multi-stage screening process to prevent the material from falling into the first material guide pipe 4. This can ensure that the material can continue to be fully screened on each layer of the screening plate 2 before the cover plate 25 is opened.

[0032] However, since the top surface of the cover plate 25 is in a horizontal state, some materials will fall onto the horizontal surface, making it difficult to screen these materials. Based on this, in actual implementation, Figure 7 and Figure 8 As shown, the top surface of the cover plate 25 is spherical. By limiting the top surface of the cover plate 25 to be spherical, the residue of materials on the top can be reduced during vibration, thereby improving the screening efficiency.

[0033] Further, such as Figure 7 As shown, the driving device includes two inclined rods arranged at the top of the uppermost cover plate 25 and distributed in an eight-shaped shape, and a limit rod 27 (as shown in FIG. Figure 7 and Fig.10 As shown, the two ends of the limit rod 27 are provided with sliders, and the inner wall of the screening box 1 is provided with a vertical slide groove that slides with the slider), a hydraulic rod 28 is provided on the top wall of the screening box 1, and a closed ring 29 (as shown) fixedly provided on the telescopic end of the hydraulic rod 28 Fig. 9 As shown); the limit rod 27 is horizontally arranged in the closed circle 29, and the closed circle 29 is arranged between the two inclined rods. In specific implementation, before screening, the hydraulic rod 28 is first started to move the closed circle 29 downward. During the downward movement, multiple cover plates 25, vertical rods 26 and limit rods 27 can be moved synchronously until the cover plate 25 moves to the discharge port 3 of each screening plate 2, and the connecting device is started to connect the top cover plate 25 and the top screening plate 2. Thereafter, the hydraulic rod 28 is moved upward until the limit rod 27 moves to the middle of the closed circle 29 (as shown in FIG. Fig. 9As shown), it is ensured that the subsequent limit rod 27 will not collide with the closed ring 29 when it moves up and down. Thereafter, the screening can be carried out normally according to the method of embodiment 1.

[0034] After the screening is completed, the vibration motor 22 is turned off and the limiting effect of the connecting device is released. Thereafter, the hydraulic rod 28 is retracted. During the retraction process, the closing ring 29 is moved upward, and the closing ring 29 drives the limiting rod 27 to move upward until the sliders at both ends of the limiting rod 27 move upward to the top of the vertical slideway. Fig.10 As shown, at this time, each cover plate 25 is separated from the discharge port 3, and then the vibration motor 22 is started to vibrate the multiple screening plates 2, so that the materials on the screening plates 2 are discharged along the material guide device connected thereto, so as to achieve the purpose of vibration material guide. Because the vertical rod 26 and the first material guide pipe 4 are slidably connected, the hydraulic rod 28 limits the limit rod 27, and the limit function of the connection device is released, when the screening plate 2 vibrates, the cover plate 25 and the vertical rod 26 will not move up and down accordingly.

[0035] Further, such as Figure 7 and Figure 8 As shown, the connection device includes a horizontal groove 30 arranged in the cover plate 25, an electromagnet 31 arranged in the horizontal groove 30, a second spring 35 arranged at one end of the electromagnet 31, a moving iron core 32 arranged on the side of the second spring 35 away from the electromagnet 31, a stopper 33 arranged on the side of the moving iron core 32 away from the second spring 35, and a slot 34 arranged on the inner wall of the discharge port 3 and adapted to the stopper 33, and the stopper 33 and the horizontal groove 30 are slidably connected. In specific implementation, when it is necessary to release the limiting effect of the connection device, the electromagnet 31 is energized, and when energized, the moving iron core 32 can be attracted to move toward the electromagnet 31, thereby disengaging the stopper 33 from the slot 34; when not energized, under the action of the second spring 35, the moving iron core 32 moves toward the slot 34, thereby inserting the stopper 33 into the slot 34, thereby achieving the purpose of connecting the cover plate 25 and the screening plate 2.

Claims

1. A multi-stage screening device for processing hot pot soup base ingredients that is convenient for material collection, comprising a screening box (1), a plurality of screening plates (2) arranged in sequence from top to bottom in the screening box (1) and capable of synchronously vibrating vertically, a material discharge port (3) arranged at the center of each of the screening plates (2), and a material guide device arranged below each of the screening plates (2) and connected to the material discharge port (3); It is characterized in that The material guiding device comprises a first material guiding pipe (4) vertically arranged at the bottom end of the material outlet (3), a second material guiding pipe (5) obliquely arranged at the material outlet end of the first material guiding pipe (4), an opening (40) arranged on the side wall of the screening box (1), a collecting box arranged outside the opening (40), a sleeve plate (6) sleeved outside the second material guiding pipe (5), a first telescopic device arranged between the top end of the sleeve plate (6) and the top end of the opening (40), and a second telescopic device arranged between the bottom end of the sleeve plate (6) and the bottom end of the opening (40); The sleeve plate (6), the first telescopic device and the second telescopic device are respectively slidably connected to the inner wall of the opening (40); the edge height of the screening plate (2) is higher than the center height.

2. A multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking materials according to claim 1, characterized in that: The first telescopic device comprises a first fixing plate (7) arranged at the top end of the opening (40), and a second fixing plate (8) arranged at the top end of the sleeve plate (6), the first fixing plate (7) and the second fixing plate (8) being slidably connected on one side close to each other, and the first fixing plate (7) and the second fixing plate (8) are slidably connected on both sides to the inner wall of the opening (40); The second telescopic device comprises a third fixing plate (9) arranged at the bottom end of the opening (40), and a fourth fixing plate (10) arranged at the bottom end of the sleeve plate (6), the third fixing plate (9) and the fourth fixing plate (10) being slidably connected at one side close to each other, and the two sides of the third fixing plate (9) and the fourth fixing plate (10) are respectively slidably connected to the inner wall of the opening (40).

3. A multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking materials according to claim 2, characterized in that: The first fixing plate (7) and the fourth fixing plate (10) are arranged near the center of the screening box (1), and their vertical projections are located inside the side wall of the screening box (1); a material guide plate (11) is obliquely arranged at the lower part of one side of the third fixing plate (9) near the fourth fixing plate (10).

4. A multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking materials according to claim 3, characterized in that: The guide plate (11) is slidably connected to the side wall of the third fixed plate (9), and a connecting rod (13) is provided on the top wall of the guide plate (11). The top end of the connecting rod (13) is fixedly connected to the second guide tube (5) located closest to the top of the connecting rod.

5. A multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking materials according to claim 4, characterized in that: A baffle plate (14) is vertically arranged at the bottom end of the guide plate (11), and the baffle plate (14) is slidably connected to the inner wall of the screening box (1).

6. The multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking materials according to claim 1 is characterized in that: A first connecting frame (16) is provided at the edge of each screening plate (2); a plurality of first springs (18) are provided on the bottom wall of the first connecting frame (16); a second connecting frame (17) is provided at the bottom end of the first spring (18); the second connecting frame (17) is fixedly connected to the inner wall of the screening box (1); a telescopic rod is provided inside the first spring (18); and the plurality of screening plates (2) are fixedly connected to each other by fixing rods (19).

7. A multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking out materials according to claim 6, characterized in that: A first closed shielding curtain (23) is provided between the top end of each first connecting frame (16) and the inner wall of the screening box (1), and a second closed shielding curtain (24) is provided between the bottom end of each first connecting frame (16) and the second connecting frame (17).

8. The multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking materials according to claim 5, characterized in that: It also includes a cover plate (25) arranged at each of the discharge ports (3), a vertical rod (26) connecting the multiple cover plates (25), a driving device for driving the multiple cover plates (25) to move up and down synchronously, and a connecting device for connecting any cover plate (25) to a screening plate (2) matched therewith; the top surface of the cover plate (25) is spherical.

9. A multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking out materials according to claim 8, characterized in that: The driving device comprises two oblique rods arranged at the top of the uppermost cover plate (25) and arranged in an eight-shaped arrangement, a limit rod (27) arranged at the top of the two oblique rods and slidably connected to the inner wall of the screening box (1), a hydraulic rod (28) arranged on the top wall of the screening box (1), and a closed ring (29) fixedly arranged at the telescopic end of the hydraulic rod (28); the limit rod (27) is horizontally arranged in the closed ring (29), and the closed ring (29) is arranged between the two oblique rods.

10. A multi-stage screening device for processing hot pot soup base ingredients that is convenient for taking out materials according to claim 9, characterized in that: The connecting device comprises a horizontal groove (30) arranged in the cover plate (25), an electromagnet (31) arranged in the horizontal groove (30), a second spring (35) arranged at one end of the electromagnet (31), a moving iron core (32) arranged on a side of the second spring (35) away from the electromagnet (31), a limit block (33) arranged on a side of the moving iron core (32) away from the second spring (35), and a slot (34) arranged on the inner wall of the discharge port (3) and adapted to the limit block (33).

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