Extracting basket rotary cleaning equipment and cleaning method

Abstract

The extraction basket rotary cleaning equipment comprises a lifting bracket arranged in a tank body, an upper chain base and a lower chain base, the upper chain base and the lower chain base are fixed to the four corners of the bottom of the lifting bracket respectively, and the upper chain base is fixedly connected with one end of a lifting chain through a T-shaped bolt; the other end of the lifting chain is wound on a driving chain wheel on an inner transmission shaft and a driven wheel assembly at the bottom and is fixedly connected with a T-shaped bolt on a lower chain base, and one end of the inner transmission shaft is meshed with second conical bevel gears at the two ends of an outer transmission shaft installed on the side face of the groove body through first conical bevel gears; the outer transmission shaft is in transmission connection with a lifting motor through lifting chain wheels matched with chains; in the process that the lifting motor drives the lifting bracket to descend along the tank body, the upside-down extraction basket can be placed on the rotary supporting assembly, in the process that the lifting motor drives the lifting bracket to ascend along the tank body, the extraction basket on the rotary supporting assembly can be forced to be placed on the lifting bracket again, and the extraction basket is rotationally cleaned through the spraying assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning of material holding devices, and in particular to a rotary cleaning device and a cleaning method for an extraction basket. Background Art

[0002] In the production process of extraction industries such as traditional Chinese medicine, food, beverages, and cosmetics, extraction baskets are used to hold materials. After the extraction is completed, the residue is poured out of the extraction basket and cleaned. The traditional method is to use handheld high-pressure cleaning equipment to remove the residue. This method is not only time-consuming and wastes manpower, but also cannot completely remove the residue in the dead corners of the extraction basket. Summary of the Invention

[0003] The purpose of the present invention is to provide a rotary cleaning device which has a compact structure, low cost, stable performance, safety and reliability, no cleaning dead angles and can adapt to extraction baskets of different heights.

[0004] The technical solution of the present invention is achieved as follows: A rotary cleaning device for an extraction basket comprises a trough body and a frame welded to the outside thereof, wherein a lifting bracket for supporting the extraction basket is provided in the trough body, an upper chain seat and a lower chain seat are fixed at the four corners of the bottom of the lifting bracket respectively, the upper chain seat is fixedly connected to one end of a lifting chain by a T-bolt, an inner transmission shaft is rotatably provided on both sides of the top end of the trough body through a bearing seat, the other end of the lifting chain is wound around a driving sprocket on the inner transmission shaft and a driven wheel assembly at the bottom and is fixedly connected to the T-bolt on the lower chain seat, one end of the inner transmission shaft is meshed with a second conical bevel gear installed at both ends of an outer transmission shaft on the side of the trough body through a first conical bevel gear, and the outer transmission shaft is transmission-connected to a lifting motor through a lifting sprocket and a chain; A rotating support assembly is provided at the bottom of the trough body. When the lifting motor drives the lifting bracket to descend along the trough body, the inverted extraction basket can be placed on the rotating support assembly. When the lifting motor drives the lifting bracket to ascend along the trough body, the extraction basket on the rotating support assembly can be forced to be placed back on the lifting bracket. When the extraction basket is placed on the rotating support assembly, it can rotate with the rotating support assembly and be rotated and cleaned by the spray assembly.

[0005] Furthermore, the rotation support assembly includes a base fixed to the ground by expansion screws, and the base is bolted to the connecting flange in the tank body; The connecting flange is fixedly mounted with a bearing seat through a retaining ring and a thrust bearing. The upper and lower ends of the bearing seat are mounted with a rotating shaft through self-aligning bearings. The top end of the bearing seat is fixed with a sealing cover through bolts.

[0006] Furthermore, a disc-shaped top basket crown is fixedly mounted on the top end of the rotating shaft through a tightening sleeve, and a plurality of supporting bosses are evenly distributed on the outer periphery of the top basket crown.

[0007] Furthermore, the supporting boss includes a first boss and a second boss formed integrally; The first boss is matched with the beak plane of the extraction basket, and the second boss is matched with the basket cover plane.

[0008] Furthermore, the rotating support assembly also includes a sprocket arranged in the base, the sprocket is connected to the bottom end of the rotating shaft through a key, and the sprocket is transmission-connected to the output end of the rotating motor through a chain.

[0009] Furthermore, the spray assembly includes an inner spray pipe and an outer spray pipe installed in the tank body through a support, and the inner spray pipe and the outer spray pipe are connected to the output end of the high-pressure pump group through a water supply pipe; The inner spray pipe includes two ring-shaped spray pipes, on which a planar rotating spray head, a three-dimensional rotating spray head and a columnar spray head are installed in combination; the outer spray pipe is arranged along the height direction of the extraction basket, and a fan-shaped spray head is installed on the outer spray pipe.

[0010] Furthermore, two sets of guide wheel assemblies are symmetrically installed on the side of the lifting bracket that is different from the inner transmission shaft. The guide wheel assembly includes two guide wheels with 90° grooves installed on the guide wheel frame. The guide wheels are in rolling engagement with the guide angle steels on the trough body.

[0011] Furthermore, the extraction basket rotary cleaning device further comprises a curtain mechanism mounted on the top of the tank body, the curtain mechanism comprising a curtain motor, the output end of the curtain motor being fixedly connected to the transmission shaft via a diaphragm coupling; Two transmission modules are connected at both ends of the transmission shaft. Traveling crossbars are installed on the transmission modules through sliders. The traveling crossbars are riveted with flexible curtains through rivets.

[0012] The present invention also provides a method for cleaning an extraction basket rotary cleaning device, comprising the following steps: S1: The extraction basket is turned upside down on the lifting bracket through the extraction basket flipping and unloading device; S2: Control the lifting motor through PLC to make the lifting bracket drive the extraction basket to descend; S3: When the lifting bracket moves to the bottom of the tank, the extraction basket is separated from the upper surface of the lifting bracket under the restriction of the top basket crown; S4: When the sensor switch detects that the lifting bracket has moved to the lowest position of the trough, the curtain motor is started to rotate forward to close the curtain; S5: After the curtain mechanism is closed, the rotary motor and the high-pressure pump group work simultaneously. The rotary motor rotates forward 1 circle and then reverse 1 circle, and the cycle continues until the set spraying time is reached. The rotary support assembly returns to the initial position, and the extraction basket rotation cleaning is completed; S6: The curtain motor reverses to open the curtain. After the curtain is fully opened, the lifting motor is started. The lifting bracket can separate the extraction basket from the top basket crown during the rising process until the lifting bracket moves to the highest position. The extraction basket is then transferred to the next station through the extraction basket flipping and unloading device.

[0013] The beneficial effects of the present invention are: adopting the above technical solution, extraction baskets and basket covers of different heights can be rotary cleaned, and it has the advantages of simple structure, stable performance, high applicability, safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is the front view of the present invention; Figure 2 A top view of the present invention; Figure 3 This is a front view of the present invention without the spray pipe, extraction basket, rotating support assembly, and curtain mechanism; Figure 4 is a schematic diagram of a guide wheel assembly of the present invention; Figure 5 is a schematic diagram of a driven wheel assembly of the present invention; Figure 6 An exploded view of the rotary support assembly of the present invention; Figure 7 is a cross-sectional view of the rotary support assembly of the present invention; Figure 8 It is an axonometric view of the screen mechanism of the present invention; Figure 9 A top view of the screen mechanism of the present invention; Figure 10 For the present invention Figure 1 Enlarged view of point A in the middle; Figure 11 For the present invention Figure 1 Enlarged view of point B in the middle; Figure 12 For the present invention Figure 1 Enlarged view of point C in the middle; Figure 13 Schematic diagram of the cooperation between the second boss and the eagle's beak plane; Figure 14 Schematic diagram of the first boss and the basket cover plane matching. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0017] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0018] Refer to the attached Figure 1-Figure 3 , according to an embodiment of the present invention, the extraction basket rotary cleaning device includes a trough body 1 and a frame welded outside thereof. The trough body 1 is welded from 3mm stainless steel plates into a regular tetrahedron structure with an open top. A lifting bracket 2 for supporting the extraction basket 28 is provided in the trough body 1. An upper chain seat 3 and a lower chain seat 4 are fixed at the four corners of the bottom of the lifting bracket 2. The upper chain seat 3 is fixedly connected to one end of the lifting chain 6 by a T-bolt 5. An inner transmission shaft 7 is rotatably provided on both sides of the top of the trough body 1 through a bearing seat. The other end of the lifting chain 6 is wound around the driving sprocket on the inner transmission shaft 7 and the driven wheel assembly 8 at the bottom and is fixedly connected to the T-bolt 5 on the lower chain seat 4. The two ends of the inner transmission shaft 7 are meshed with the second conical bevel gears installed at the two ends of the outer transmission shaft 9 on the side of the trough body 1 through a first conical bevel gear. The outer transmission shaft 9 is connected to the lifting motor 12 through a lifting sprocket 11 and a chain.

[0019] During operation, the lifting motor 12 is controlled by the PLC, and the output end of the lifting motor 12 drives the outer transmission shaft 9 to rotate through the lifting sprocket 11, so that the second conical bevel gears at both ends of the outer transmission shaft 9 are engaged with the first conical bevel gears set at both ends of the inner transmission shaft 7 for transmission, thereby driving the inner transmission shaft 7 to rotate; the inner transmission shaft 7 cooperates with the driven wheel assembly 8 to drive the lifting chain 6 to rise or fall in the trough body 1, and the lifting bracket 2 is raised or lowered through the upper chain seat 3 and the lower chain seat 4 fixedly connected to the lifting chain 6.

[0020] When cleaning the extraction baskets 28 at different heights, the lifting motor 12 drives the lifting bracket 2 to rise to the highest position of the trough body 1, and under the action of the extraction basket flipping and unloading device, the extraction basket 28 is inverted on the upper surface of the lifting bracket 2; then, the lifting motor 12 drives the lifting bracket 2 to drive the extraction basket 28 to descend to a low position, and under the restriction of the rotating support assembly 13, the extraction basket 28 is separated from the upper surface of the lifting bracket 2, and the rotating support assembly 13 drives the extraction basket to rotate, and the extraction baskets at different heights are cleaned by the spray assembly.

[0021] like Figure 1 As shown, in order to achieve full coverage cleaning of extraction baskets and basket covers 28-1 at different heights, the present application provides a rotating support assembly 13 at the bottom of the trough body 1. When the lifting motor 12 drives the lifting bracket 2 to descend along the trough body 1, the inverted extraction basket 28 can be placed on the rotating support assembly 13. When the lifting motor 12 drives the lifting bracket 2 to ascend along the trough body 1, the extraction basket 28 on the rotating support assembly 13 can be forced to be placed back on the lifting bracket 2. When the extraction basket 28 is placed on the rotating support assembly 13, it can rotate with the rotating support assembly 13 and the extraction basket 28 can be rotated and cleaned by the spray assembly.

[0022] like Figure 6 and Figure 7 As shown, the rotary support assembly 13 includes a base 13-1 secured to the ground via expansion screws. Base 13-1 is bolted to a connecting flange 13-2 within the tank body 1, with a base seal disposed between them. Connecting flange 13-2 is secured to a bearing seat 13-3 via a retaining ring and a thrust bearing. The retaining ring is a circular concave with a central bearing hole for mounting the thrust bearing. A rectangular groove at the bottom accommodates an O-ring. The retaining ring is mounted within the bearing seat 13-3 via connecting flange 13-2, capable of withstanding axial thrust and preventing axial movement of the bearing. The rotating shaft 13-4 is mounted on the upper and lower ends of bearing block 13-3 via self-aligning bearings. A sealing gland 13-5 is bolted to the top of bearing block 13-3. This gland 13-5 is a circular boss structure with an internal sealing groove and is equipped with a dust seal and lip seal to provide dust and water resistance. The top of rotating shaft 13-4 penetrates sealing gland 13-5 and is secured to a disc-shaped top basket crown 13-7 via a clamping sleeve 13-6. Several supporting bosses 13-8 are evenly distributed around the outer periphery of top basket crown 13-7. A sprocket 13-9 is mounted within base 13-1. This sprocket 13-9 is keyed to the bottom end of rotating shaft 13-4 and is connected to the output end of rotating motor 13-10 via a chain. A through hole for the chain is provided on the side of base 13-1.

[0023] Specifically, the support boss 13-8 includes an integrally formed first boss 13-81 and a second boss 13-82. The first boss 13-81 mates with the beak 28-2 of the extraction basket 28, while the second boss 13-82 mates with the basket cover 28-1. Furthermore, the boss steps of the first and second bosses 13-81, 13-82 are chamfered to facilitate the guiding and centering of the extraction basket 28, eliminating any misalignment.

[0024] It should be noted that a "7"-shaped induction plate 26 is welded to the lifting chain 6. As the lifting chain 6 moves, the induction plate 26 approaches or moves away from the induction switch 29, controlling the highest and lowest positions of the lifting bracket 2. A slag discharge pipe 27 is provided at the bottom of the tank 1, and a drain valve is installed on the slag discharge pipe 27. The opening of the drain valve is related to the number of extraction baskets cleaned. When the set number of cleans is reached, the drain valve opens for 10 minutes to drain the water and slag from the tank 1.

[0025] like Figures 8-11 As shown, a curtain mechanism is also installed at the top of the tank body 1 to prevent splashing during the cleaning process. This curtain mechanism includes a curtain motor 20, the output end of which is fixedly connected to a drive shaft 21 via a diaphragm coupling. Two transmission modules 22 are connected at both ends of the drive shaft 21. A running rail 24 is mounted on the transmission module 22 via a slider 23. A flexible curtain 25 is riveted to the running rail 24 via rivets. The forward and reverse rotation of the curtain motor 20 drives the running rail 24 in a linear motion, thereby pulling the flexible curtain 25 in motion, achieving the opening and closing function. The two transmission modules are prior art and will not be elaborated on here.

[0026] During specific implementation, when the lifting motor 12 drives the lifting bracket 2 to descend to the bottom of the trough body 1, the lifting bracket 2 moves to the preset lowest position of the trough body 1 under the action of the induction switch 29, and the extraction basket 28 on the lifting bracket 2 will first contact the top basket crown 13-7 on the rotating support assembly 13, and under the action of the first boss 13-81 and the second boss 13-82, the inverted extraction basket 28 is placed on the top of the top basket crown 13-7; then the curtain motor 20 is started to rotate forward to close the curtain 25. After the curtain mechanism is closed in place, the rotating motor 13-10 and the high-pressure pump group 18 work simultaneously, and the rotating motor 13-10 first rotates forward 1 circle and then reverses 1 circle, and repeats this cycle until the set spray time is reached, the rotating support assembly 13 returns to the initial position, and the rotary cleaning is completed.

[0027] After the rotary cleaning is completed, the curtain motor 20 reverses to open the curtain 25. After the curtain 25 is fully opened, the lifting motor 12 rotates forward and drives the lifting bracket 2 to rise. During the rising process of the lifting bracket 2, the upper surface of the lifting bracket 2 will contact and support the extraction basket 28, thereby separating the extraction basket 28 from the top basket crown 13-7 until the lifting bracket 2 moves to the preset highest position, and then is transferred to the next workstation through the extraction basket flipping and unloading equipment to complete the rotary cleaning of the extraction basket.

[0028] like Figure 1-Figure 2 As shown, the spray assembly includes an inner spray pipe 15 and an outer spray pipe 16, which are mounted on the tank body 1 via a U-shaped pipe clamp and a support 14. The inner and outer spray pipes 15, 16 are connected to the output of a high-pressure pump unit 18 via a water supply pipe 17. The inner spray pipe 15 comprises two ring-shaped nozzles, each equipped with a combination of cylindrical, flat, and three-dimensional rotating nozzles. The nozzles can adjust the spray angle using a universal ball joint. The outer spray pipe 16 is arranged along the height of the extraction basket and is equipped with several fan-shaped nozzles. The spray angle of these fan-shaped nozzles can be manually adjusted using a universal ball joint.

[0029] like Figure 2-Figure 4 As shown, in order to improve the stability of the extraction basket 28 during the lifting process, the present application symmetrically installs two sets of guide wheel assemblies on the side of the lifting bracket 2 that is different from the inner transmission shaft 7. The guide wheel assembly includes two guide wheels 18 with 90° grooves installed on the guide wheel frame. The guide wheels 18 roll with the guide angle steels 19 on the trough body 1 to prevent the extraction basket 28 from deflecting or shaking during the reciprocating lifting of the lifting bracket 2. At the same time, the rolling cooperation of the guide wheels 18 and the guide angle steels 19 can make the extraction basket 28 accurately fit with the top basket crown 13-7, which is conducive to finding the center and avoiding deviation.

[0030] The present invention also discloses a cleaning method of an extraction basket rotary cleaning device, comprising the following steps: S1: The extraction basket 28 is turned upside down on the lifting bracket 2 through the extraction basket flipping and unloading device; S2: Control the lifting motor 12 through the PLC to make the lifting bracket 2 drive the extraction basket 2 to descend; S3: When the lifting bracket 2 moves to the bottom of the tank body 1, the extraction basket 28 is separated from the upper surface of the lifting bracket 2 under the restriction of the top basket crown 13-7; S4: When the induction switch 29 detects that the lifting bracket 2 has moved to the lowest position of the tank body 1, the curtain motor 20 is started to rotate forward to close the curtain 25; S5: After the curtain mechanism is closed, the rotating motor 13-10 and the high-pressure pump group 18 work simultaneously. The rotating motor 13-10 rotates forward 1 circle and then reverses 1 circle, and the cycle continues until the set spraying time is reached. The rotating support assembly 13 returns to the initial position, and the extraction basket 28 completes the rotation and cleaning. S6: The curtain motor 20 reverses to open the curtain 25. After the curtain 25 is fully opened, the lifting motor 12 is started. The lifting bracket 2 can separate the extraction basket 28 from the top basket crown 13-7 during the rising process until the lifting bracket 2 moves to the highest position. The extraction basket is then transferred to the next station through the extraction basket flipping and unloading device.

[0031] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A rotary cleaning device for an extraction basket, characterized in that: The invention comprises a trough body (1) and a frame welded outside thereof, wherein a lifting bracket (2) for supporting an extraction basket (28) is provided in the trough body (1), an upper chain seat (3) and a lower chain seat (4) are fixed at the four corners of the bottom of the lifting bracket (2), the upper chain seat (3) is fixedly connected to one end of a lifting chain (6) through a T-bolt (5), an inner transmission shaft (7) is rotatably provided on both sides of the top of the trough body (1) through a bearing seat, the other end of the lifting chain (6) is arranged around a driving sprocket on the inner transmission shaft (7) and a driven wheel assembly (8) at the bottom and is fixedly connected to the T-bolt (5) on the lower chain seat (4), one end of the inner transmission shaft (7) is meshed with a second conical bevel gear at both ends of an outer transmission shaft (9) installed on the side of the trough body (1) through a first conical bevel gear, and the outer transmission shaft (9) is transmission-connected to a lifting motor (12) through a lifting sprocket (11) and a chain. A rotating support assembly (13) is provided at the bottom of the trough body (1). When the lifting motor (12) drives the lifting bracket (2) to descend along the trough body (1), the inverted extraction basket (28) can be placed on the rotating support assembly (13); when the lifting motor (12) drives the lifting bracket (2) to ascend along the trough body (1), the extraction basket (28) on the rotating support assembly (13) can be forced to be placed back on the lifting bracket (2). When the extraction basket (28) is placed on the rotating support assembly (13), it can rotate along with the rotating support assembly (13), and the extraction basket (28) can be rotated and cleaned by the spray assembly.

2. The extraction basket rotary cleaning device according to claim 1, characterized in that: The rotating support assembly (13) comprises a base (13-1) fixed to the ground via expansion screws, and the base (13-1) is bolted to a connecting flange (13-2) in the tank body (1); The connecting flange (13-2) is fixedly mounted with a bearing seat (13-3) through a retaining ring and a thrust bearing, a rotating shaft (13-4) is mounted on the upper and lower ends of the bearing seat (13-3) through self-aligning bearings, and a sealing gland (13-5) is fixed to the top end of the bearing seat (13-3) through bolts.

3. The extraction basket rotary cleaning device according to claim 2, characterized in that: A disc-shaped top basket crown (13-7) is fixedly mounted on the top end of the rotating shaft (13-4) via an expansion sleeve (13-6), and a plurality of supporting bosses (13-8) are evenly distributed on the outer periphery of the top basket crown (13-7).

4. The extraction basket rotary cleaning device according to claim 3, characterized in that: The supporting boss (13-8) comprises a first boss (13-81) and a second boss (13-82) formed integrally; The first boss (13-81) is in plane cooperation with the basket cover (28-1) of the extraction basket (28), and the second boss (13-82) is in plane cooperation with the hawk's beak (28-2) of the extraction basket (28).

5. The extraction basket rotary cleaning device according to claim 2, characterized in that: The rotary support assembly further comprises a sprocket (13-9) arranged in the base (13-1); the sprocket (13-9) is connected to the bottom end of the rotary shaft (13-4) via a key; and the sprocket (13-9) is transmission-connected to the output end of the rotary motor (13-10) via a chain.

6. The extraction basket rotary cleaning device according to any one of claims 1 to 5, characterized in that: The spray assembly comprises an inner spray pipe (15) and an outer spray pipe (16) installed in the tank body (1) via a support (14), wherein the inner spray pipe (15) and the outer spray pipe (16) are connected to the output end of the high-pressure pump group (18) via a water supply pipe (17); The inner spray pipe (15) includes two ring-shaped spray pipes, on which a planar rotating spray head, a three-dimensional rotating spray head and a columnar spray head are installed in combination; the outer spray pipe (16) is arranged along the height direction of the extraction basket (28), and a fan-shaped spray head is installed on the outer spray pipe (16).

7. The extraction basket rotary cleaning device according to claim 1, characterized in that: Two sets of guide wheel assemblies are symmetrically mounted on the side of the lifting bracket (2) different from the inner transmission shaft (7), and the guide wheel assembly includes two guide wheels (18) with 90-degree grooves mounted on the guide wheel frame, and the guide wheels (18) are in rolling engagement with the guide angle steels (19) on the trough body (1).

8. The extraction basket rotary cleaning device according to claim 1, characterized in that: The extraction basket rotary cleaning device further comprises a curtain mechanism mounted on the top of the tank body (1), the curtain mechanism comprising a curtain motor (20), the output end of the curtain motor (20) being fixedly connected to the transmission shaft (21) via a diaphragm coupling; Two transmission modules (22) are connected to both ends of the transmission shaft (21). A running crossbar (24) is installed on the transmission module (22) via a slider (23). The running crossbar (24) is riveted to a flexible curtain (25) via rivets.

9. A method for cleaning an extraction basket rotary cleaning device, characterized in that: The following steps are involved: S1: The extraction basket (28) is inverted on the lifting bracket (2) through the extraction basket flipping and unloading device; S2: Controlling the lifting motor (12) through the PLC so that the lifting bracket (2) drives the extraction basket (28) to descend; S3: During the movement of the lifting bracket (2) to the bottom of the tank body (1), the extraction basket (28) is separated from the upper surface of the lifting bracket (2) under the restriction of the top basket crown (13-7); S4: When the induction switch (29) detects that the lifting bracket (2) moves to the lowest position of the trough (1), the curtain motor (20) is started to rotate forward to close the curtain (25); S5: After the curtain mechanism is closed, the rotary motor (13-10) and the high-pressure pump group (18) work simultaneously, and the rotary motor (13-10) rotates forward 1 circle and then reverse 1 circle, and so on. After the set spraying time is reached, the rotary support assembly (13) returns to the initial position, and the extraction basket (28) is rotated and cleaned. S6: The curtain motor (20) reverses to open the curtain (25). After the curtain (25) is fully opened, the lifting motor (12) is started. The lifting bracket (2) can separate the extraction basket (28) from the top basket crown (13-7) during the rising process until the lifting bracket (2) moves to the highest position. The extraction basket is then transferred to the next station through the extraction basket flipping and unloading device.

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