A filling device for the production of water-based polyurethane resin with a filtering and impurity removal structure

Abstract

The present invention discloses a filling device for producing water-based polyurethane resin with a filtering and impurity removal structure. The water-based polyurethane resin is stored inside a filling storage tank. The lower end of the filling storage tank is connected to a filling head, and the filling storage tank is fixedly mounted on the upper inner side of an equipment bracket, and the filling head is fixed through the upper plane inside of the equipment bracket. The device comprises: a long guide slide bar, which is fixedly connected to the inside of the equipment bracket; a guide slip ring, which is sleeved on the outside of the long guide slide bar and the double guide slide bar, and a support seat is fixedly mounted between the guide slip rings on the left and right sides; and a lower servo motor, which is fixedly mounted in the middle position of the lower interior of the equipment bracket. The filling device for producing water-based polyurethane resin with a filtering and impurity removal structure adopts a new structural design, so that the filling device is provided with a filtering and impurity removal structure and a vibration uniform filling structure, thereby improving the quality of the filling production of water-based polyurethane resin materials.

Description

Technical Field

[0001] The invention relates to the technical field of water-based polyurethane resin production, in particular to a filling device for water-based polyurethane resin production with a filtering and impurity removal structure. Background Art

[0002] Water-based polyurethane resin is a relatively environmentally friendly resin material. It is used in the preparation of liquid materials such as coatings and adhesives in industry. It has strong antibacterial and mildew-proof effects and good color retention. Water-based polyurethane resin is filled into packaging bottles during processing, and the filling machine performs quantitative filling processing.

[0003] The application number CN213974548U is a quantitative filling mechanism for a filling machine, comprising an operating table, a support frame fixed on the operating table, a filling box fixed on the support frame, a storage bin provided on the lower surface of the filling box, a discharge port connected to the storage bin provided on the lower surface of the filling box, a filling port provided on one side of the storage bin, a filling plate slidably provided on one side of the filling port, a filling cylinder fixed on one side of the filling port, the piston rod end of the filling cylinder fixedly connected to one side of the filling plate, a sealing groove provided on one side of the discharge port, a sealing plate slidably provided in the sealing groove, a sealing cylinder fixed in the sealing groove, the piston rod end of the sealing cylinder fixedly connected to the sealing plate. The utility model discloses a quantitative filling mechanism for a filling machine that realizes quantitative filling of materials, increases the degree of automation of the equipment, and increases work efficiency; the filling equipment is not convenient for filtering and removing impurities from the filling material, and impurities mixed in the filling material enter the filling bottle, affecting the quality of the filling material;

[0004] The invention relates to a filling device for facilitating rapid filling, with the application number CN217375116U, comprising a storage cylinder, a stirring mechanism, a filling mechanism and a bag conveying assembly, wherein a stirring mechanism is provided in the storage cylinder, and stirring in the storage cylinder is achieved by the stirring mechanism, and a sealing cap is provided on the top of the storage cylinder; a conical bucket is provided at the bottom of the storage cylinder, a discharge port is provided at the bottom of the storage cylinder, and a filling mechanism is provided at the discharge port; the invention is convenient for rapidly filling liquid facial masks, and no manual operation is required during the filling process, so that the labor intensity of the staff is reduced and the filling efficiency is improved; at the same time, a continuous filling method is adopted during the filling process, so that no waste is generated during the filling process and the liquid facial mask will not adhere to the packaging bag opening; during the filling process of the filling device, the filling bottle is in a stationary state, and for some materials with higher viscosity, more bubbles are mixed in the filling material, and small intervals may be accumulated locally, which affects the filling capacity;

[0005] Some existing filling equipment is not convenient for filtering and removing impurities from the filling materials during processing. Impurities are mixed in the materials and filled into the packaging bottles together, affecting the final quality of the filling materials. In addition, water-based polyurethane resin has a certain viscosity. During the rapid filling process, the resin enters the packaging bottle and accumulates to produce a certain amount of bubbles of different sizes, which is not conducive to measuring the filling capacity of the material.

[0006] Therefore, it is necessary to design a filling device for the production of water-based polyurethane resin with a filtering and impurity removal structure in response to the above problems. Summary of the Invention

[0007] The object of the present invention is to provide a filling device for the production of water-based polyurethane resin with a filtering and impurity removal structure, so as to solve the problems raised in the above background technology that some existing filling equipment is not convenient for filtering and removing impurities from the filling material during processing, and impurities are mixed in the material and filled into the packaging bottle together, affecting the final quality of the filling material; and the water-based polyurethane resin has a certain viscosity. During the rapid filling process, the resin enters the packaging bottle and accumulates to generate a certain amount of bubbles of different sizes, which is not conducive to measuring the filling capacity of the material.

[0008] To achieve the above object, the present invention provides the following technical solution: a filling device for producing water-based polyurethane resin with a filtering and impurity removal structure, wherein the water-based polyurethane resin is stored inside a filling storage tank, a filling head is connected to the lower end of the filling storage tank, and the filling storage tank is fixedly mounted on the upper inner side of the equipment bracket, and the filling head is fixed through the upper plane inside the equipment bracket;

[0009] A filling device for producing water-based polyurethane resin with a filtering and impurity removal structure, comprising:

[0010] A long guide slide bar is fixedly connected to the interior of the device bracket, and a short guide slide bar is fixedly connected to the interior top surface of the device bracket, and a double guide slide bar is fixedly connected to the interior bottom surface of the device bracket;

[0011] The guide slip ring is sleeved on the outside of the long guide slide rod and the double guide slide rod, and a support seat is fixedly installed between the guide slip rings on the left and right sides, and a bearing plate is fixedly provided in the middle position of the upper surface of the support seat. The left and right sides of the bearing plate are symmetrically connected with protective clamps, and the protective clamps on the left and right sides are connected to each other by a connecting strip, and the inner side wall of the protective clamp is fixedly installed with an elastic limiting angle plate;

[0012] The lower servo motor is fixedly installed in the middle position below the inside of the equipment bracket, and the output end of the lower servo motor is connected to a driving screw, and the driving screw is rotated inside the double guide slide rod installed in the middle position. The outer sleeve of the driving screw is installed with a threaded disk, and the threaded disk is installed between two sets of guide slip rings.

[0013] Preferably, the two sides of the support seat form an up and down sliding structure through guide slip rings, long guide slide rods and double guide slide rods, and the guide slip rings on the adjacent sides of the support seat are fixedly connected, and the two groups of guide slip rings in the middle position form a threaded transmission structure through a threaded disk and a driving screw; during operation, the servo motor controls the rotation of the driving screw, and under the action of the threaded transmission structure, the guide slip ring can be controlled to move up and down, thereby controlling the support seat and the supporting plate to move up and down.

[0014] Preferably, the elastic limiting angle plate is elastically connected and arranged on the inner side of the protective clamping ring, and the elastic limiting angle plates on the left and right sides are elastically clamped and limited and arranged on the outside of the filling bottle; the filling bottle is placed on the supporting plate, and under the elastic clamping action of the elastic limiting angle plates on the left and right sides, the filling bottle can be more stably set on the upper end of the supporting plate.

[0015] Preferably, the sides of the long guide slide bar and the double guide slide bar are fixedly mounted with side fixing frames, and the sides of the side fixing frames are also provided with a control shaft, a control frame, a supporting block, an elastic card block, a filter and a filter screen;

[0016] The control shaft is connected to the side of the side fixing frame, the control frame is fixedly assembled on the outside of the control shaft, the support blocks are symmetrically installed on the front and rear sides of the control frame, the elastic clamping block is installed inside the side of the control frame, the filter is fixedly installed at the lower end of the elastic clamping block, and the filter screen is embedded in the lower end of the filter;

[0017] This part of the components constitutes the filling and filtering structure, which filters and removes impurities from the water-based polyurethane resin discharged from the filling head, thereby improving the quality of the water-based polyurethane resin filling process.

[0018] Preferably, the filter is arranged at the lower end of the filling head, and the filter is elastically engaged with the control frame through an elastic block, and the elastic block support is arranged at the upper end of the supporting block; the filter can be removed through the engaging assembly structure, which is convenient for cleaning the impurities isolated inside.

[0019] Preferably, the control frame forms a rotating structure with the side fixed frame through the control shaft, and the leftmost control shaft is connected to the output end of the upper servo motor, and the upper servo motor is fixedly installed on the left side of the equipment bracket; the upper servo motor is operated to control the rotation of the control shaft, and the control shaft controls the reciprocating rotation of the filter back and forth, thereby accelerating the filtering efficiency of the filter.

[0020] Preferably, a main push rod, a side push rod and a vibration plate are further provided inside the double guide slide rod;

[0021] The main push rod is connected to the upper inner part of the double guide slide rod, the side push rods are symmetrically connected to the left and right sides of the lower part of the main push rod, and the vibration plate is fixed to the lower inner side of the side push rod;

[0022] This part of the components constitutes a vibration knocking structure, which acts on the surface of the support seat and can knock and vibrate the filling bottle assembled on its upper end to keep the water-based polyurethane set inside the filling bottle evenly mixed and reduce the bubble content inside.

[0023] Preferably, the main push rod and the side push rod form an up and down sliding structure with the double guide slide rod, and the vibration plate at the lower end of the side push rod is correspondingly arranged above the support seat; the main push rod and the side push rod are controlled to move up and down by the transmission structure, and the side push rod controls the vibration plate to move up and down, and the vibration plate acts on the surface of the support seat, causing the support seat to vibrate.

[0024] Preferably, the sides of the control shaft and the main push rod are fixedly connected with transmission protrusions, and the upper and lower groups of transmission protrusions are connected to each other through a linkage rod; this part of the components constitutes a linkage structure, so that the rotation of the control shaft can control the transmission of the main push rod.

[0025] Preferably, the upper end of the linkage rod is rotationally connected to the side of the control shaft through a transmission protrusion, and the lower end of the linkage rod is rotationally connected to the top of the main push rod through a transmission protrusion; when the control shaft rotates, it drives the two ends of the linkage rod to rotate, which pushes the main push rod to move back and forth up and down.

[0026] Compared with the prior art, the beneficial effects of the present invention are as follows: the filling device for the production of water-based polyurethane resin with a filtering and impurity removal structure adopts a novel structural design, so that the filling device is provided with a filtering and impurity removal structure and a vibration uniform filling structure, thereby improving the quality of water-based polyurethane resin filling. The specific contents are as follows:

[0027] 1. The filling device for the production of water-based polyurethane resin with a filtering and impurity removal structure is provided with a filtering and impurity removal structure. The filter is correspondingly arranged below the filling head. Under the rotation of the control shaft, the filter is caused to reciprocate back and forth. The rotating filter controls the water-based polyurethane resin to accelerate the filtration and impurity removal. The filtered water-based polyurethane resin is filled into the packaging bottle below, thereby improving the quality of the water-based polyurethane resin filling.

[0028] 2. The filling device for the production of water-based polyurethane resin with a filtering and impurity removal structure is provided with a vibration uniform filling structure. The filling bottle is clamped and set above the supporting plate through an elastic limiting angle plate. During the filling process, the main push rod, the side push rod and the vibration plate are controlled to move up and down reciprocatingly through the mechanical transmission structure. The vibration plate acts on the side position of the support seat surface to control the support seat to vibrate. The vibration force on the support seat is transmitted to the filling bottle above. The filling bottle in a vibrating state can make the solution filled inside evenly distributed, avoid a large number of bubbles and intervals during internal filling, so as to facilitate the filling and metering of the water-based polyurethane resin. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall front view structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the front view structure of the filling head of the present invention;

[0031] Figure 3 This is a schematic diagram of the front view structure of the filter of the present invention;

[0032] Figure 4 This is a schematic side view of the steering frame of the present invention;

[0033] Figure 5 This is a front view structural diagram of the linkage rod of the present invention;

[0034] Figure 6 This is a schematic diagram of the front structure of the main push rod and the side push rod of the present invention;

[0035] Figure 7 This is a schematic diagram of the front view structure of the elastic limiting angle plate of the present invention;

[0036] Figure 8 This is a schematic diagram of the front view structure of the driving screw of the present invention.

[0037] In the figure: 1. Filling storage tank; 2. Filling head; 3. Equipment bracket; 4. Long guide slide; 5. Short guide slide; 6. Double guide slide; 7. Guide slip ring; 8. Support seat; 9. Carrying plate; 10. Protective snap ring; 11. Connecting strip; 12. Elastic limit angle plate; 13. Lower servo motor; 14. Driving screw; 15. Threaded disk; 16. Side fixing frame; 17. Control shaft; 18. Control frame; 19. Support block; 20. Elastic block; 21. Filter; 22. Filter screen; 23. Main push rod; 24. Side push rod; 25. Vibration plate; 26. Transmission bump; 27. Linkage rod; 28. Upper servo motor. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] See also Figures 1-8 The present invention provides a technical solution: a filling device for the production of water-based polyurethane resin with a filtering and impurity removal structure, wherein the water-based polyurethane resin is stored inside a filling storage tank 1, a filling head 2 is connected to the lower end of the filling storage tank 1, and the filling storage tank 1 is fixedly installed on the upper inner side of an equipment bracket 3, and the filling head 2 is fixed through the upper plane inside of the equipment bracket 3;

[0040] A filling device for producing water-based polyurethane resin with a filtering and impurity removal structure, comprising:

[0041] A long guide slide bar 4 is fixedly connected to the inside of the equipment bracket 3, and a short guide slide bar 5 is fixedly connected to the inner top surface of the equipment bracket 3, and a double guide slide bar 6 is fixedly connected to the inner bottom surface of the equipment bracket 3;

[0042] The guide slip ring 7 is sleeved on the outside of the long guide slide rod 4 and the double guide slide rod 6, and a support seat 8 is fixedly installed between the guide slip rings 7 on the left and right sides, and a bearing plate 9 is fixedly provided in the middle position of the upper surface of the support seat 8. The left and right sides of the bearing plate 9 are symmetrically connected with protective clamping rings 10, and the left and right protective clamping rings 10 are connected to each other by a connecting strip 11, and the inner side wall of the protective clamping ring 10 is fixedly installed with an elastic limiting angle plate 12;

[0043] The lower servo motor 13 is fixedly installed in the middle position below the inside of the equipment bracket 3, and the output end of the lower servo motor 13 is connected to the driving screw 14, and the driving screw 14 is rotatably installed inside the double guide slide 6 in the middle position. The outer sleeve of the driving screw 14 is installed with a threaded disk 15, and the threaded disk 15 is installed between the two sets of guide slip rings 7.

[0044] In this example, the two sides of the support seat 8 form an up and down sliding structure with the long guide slide 4 and the double guide slide 6 through the guide slip rings 7, and the guide slip rings 7 on the sides of adjacent support seats 8 are fixedly connected, and the two groups of guide slip rings 7 in the middle position form a threaded transmission structure with the drive screw 14 through the threaded disk 15; the elastic limit angle plate 12 is elastically connected and arranged on the inner side of the protective clamping ring 10, and the elastic limit angle plates 12 on the left and right sides are elastically engaged and limited and arranged on the outside of the filling bottle; the sides of the long guide slide 4 and the double guide slide 6 are fixedly installed with side fixing frames 16, and the sides of the side fixing frames 16 are also provided with control shafts 17, control frames 18, support blocks 19, elastic card blocks 20, filters 21 and filter screens 22; the control shaft 17 passes through the side of the side fixing frame 16 and is connected to the side On the side, the control frame 18 is fixedly assembled on the outside of the control shaft 17, the supporting blocks 19 are symmetrically installed on the front and rear sides of the control frame 18, the elastic block 20 is installed through the side of the control frame 18, the filter 21 is fixedly installed at the lower end of the elastic block 20, and the filter screen 22 is embedded in the lower end of the filter 21; the filter 21 is correspondingly arranged at the exact lower end position of the filling head 2, and the filter 21 is elastically engaged with the control frame 18 through the elastic block 20, and the elastic block 20 is supported on the upper end of the supporting block 19; the control frame 18 forms a rotating structure with the side fixed frame 16 through the control shaft 17, and the leftmost control shaft 17 is connected to the output end of the upper servo motor 28, and the upper servo motor 28 is fixedly mounted on the left side of the equipment bracket 3;

[0045] The filling bottles are placed on the carrier plate 9, and the filling bottles press the elastic limiting angle plates 12 on both sides. The elastic limiting angle plates 12 are elastically deformed, and the filling bottles are clamped and placed on the surface of the carrier plate 9 under the action of elastic pressure, so as to maintain the stability of the filling process of the filling bottles;

[0046] During operation, the servo motor 13 controls the driving screw 14 to rotate, and the threaded disc 15 moves upward under the action of the threaded transmission structure. The threaded disc 15 is fixedly connected to the side of the guide slip ring 7. Under the driving action of the threaded disc 15, the guide slip ring 7 is sleeved on the outside of the long guide slide 4 and the double guide slide 6 and slides upward. The guide slip ring 7 controls the support seat 8 and the carrying plate 9 to move upward, and controls the filling bottle to move upward for filling processing;

[0047] The filling bottle is correspondingly arranged below the filling head 2 and the filter 21. The filling head 2 is opened to fill the water-based polyurethane resin material downward, and the water-based polyurethane resin material enters the interior of the filter 21. The upper servo motor 28 controls the reciprocating rotation of the control shaft 17, and the control shaft 17 controls the control frame 18 and the filter 21 to rotate back and forth. The filter screen 22 at the bottom of the filter 21 filters and removes impurities from the water-based polyurethane resin material. The filtered water-based polyurethane resin material enters the interior of the filling bottle, thereby improving the quality of the filling process of the water-based polyurethane resin material.

[0048] The filter 21 is assembled under the control frame 18 through the elastic clamping block 20. After the filling process, the staff presses the elastic clamping block 20 with elastic force to remove the filter 21 from the bottom of the control frame 18, cleans the impurities filtered and isolated inside the filter 21, and maintains the filling, filtering and impurity removal effect of the filter 21.

[0049] The interior of the double guide slide 6 is also provided with a main push rod 23, a side push rod 24 and a vibration plate 25; the main push rod 23 runs through the upper interior of the double guide slide 6, and the side push rods 24 are symmetrically connected to the left and right sides of the lower side of the main push rod 23, and the vibration plate 25 is fixed to the lower inner side of the side push rod 24; the main push rod 23 and the side push rod 24 constitute an up and down sliding structure with the double guide slide 6, and the vibration plate 25 at the lower end of the side push rod 24 is correspondingly arranged above the support seat 8; the sides of the control shaft 17 and the main push rod 23 are fixedly connected with a transmission protrusion 26, and the upper and lower sets of transmission protrusions 26 are connected to each other by a linkage rod 27; the upper end of the linkage rod 27 is rotatably connected to the side of the control shaft 17 through the transmission protrusion 26, and the lower end of the linkage rod 27 is rotatably connected to the top of the main push rod 23 through the transmission protrusion 26;

[0050] When the control shaft 17 rotates back and forth, it drives the external fixed transmission protrusion 26 to rotate synchronously, and the two ends of the linkage rod 27 connected to the side of the transmission protrusion 26 rotate. The rotating linkage rod 27 pushes the main push rod 23 to move up and down through the upper end of the double guide slide 6, and the main push rod 23 drives the side push rod 24 connected to the side to move up and down synchronously. The side push rod 24 drives the vibration plate 25 fixed at the lower end to move up and down and act on the surface of the support seat 8, causing the support seat 8 to vibrate. The vibration force on the surface of the support seat 8 is transmitted to the filling bottle with the upper engagement limit, causing the filling bottle to vibrate during the filling process. The vibrating filling bottle can make the water-based polyurethane resin material more evenly distributed, reduce the bubbles and intervals accumulated during the filling of the water-based polyurethane resin material, thereby enabling more accurate filling and metering of the water-based polyurethane resin material and assisting the filling process.

[0051] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A filling device for producing water-based polyurethane resin with a filtering and impurity removal structure, wherein the water-based polyurethane resin is stored in a filling storage tank (1), a filling head (2) is connected to the lower end of the filling storage tank (1), and the filling storage tank (1) is fixedly mounted on the upper inner side of an equipment bracket (3), and the filling head (2) is fixed through the upper plane of the equipment bracket (3); It is characterized by: include: A long guide slide bar (4) is fixedly connected to the inside of the device bracket (3), and a short guide slide bar (5) is fixedly connected to the inner top surface of the device bracket (3), and a double guide slide bar (6) is fixedly connected to the inner bottom surface of the device bracket (3); A guide slip ring (7) is sleeved on the outside of the long guide slide rod (4) and the double guide slide rod (6), and a support seat (8) is fixedly installed between the guide slip rings (7) on the left and right sides, and a bearing plate (9) is fixedly provided at the middle position of the upper surface of the support seat (8), and the left and right sides of the bearing plate (9) are symmetrically connected with protective clamping rings (10), and the protective clamping rings (10) on the left and right sides are connected to each other through a connecting strip (11), and an elastic limiting angle plate (12) is fixedly installed on the inner side wall of the protective clamping ring (10); A lower servo motor (13) is fixedly mounted at a lower middle position inside the equipment bracket (3), and an output end of the lower servo motor (13) is connected to a driving screw (14), and the driving screw (14) is rotatably mounted inside a double guide slide (6) at a middle position, and a threaded disk (15) is sleeved on the outside of the driving screw (14), and the threaded disk (15) is mounted between two sets of guide slip rings (7); A main push rod (23), a side push rod (24) and a vibration plate (25) are also provided inside the double guide slide rod (6); The main push rod (23) is connected to the upper inner portion of the double guide slide rod (6), the side push rods (24) are symmetrically connected to the left and right sides of the lower portion of the main push rod (23), and the vibration plate (25) is fixed to the lower inner side of the side push rod (24); The sides of the long guide slide bar (4) and the double guide slide bar (6) are fixedly mounted with side fixing frames (16), and the sides of the side fixing frames (16) are also provided with a control shaft (17), a control frame (18), a support block (19), an elastic block (20), a filter (21) and a filter screen (22); The control shaft (17) is connected to the side of the side fixing frame (16), the control frame (18) is fixedly assembled on the outside of the control shaft (17), the support block (19) is symmetrically installed on the front and rear sides of the control frame (18), the elastic clamping block (20) is installed inside the side of the control frame (18), the filter (21) is fixedly installed at the lower end of the elastic clamping block (20), and the filter screen (22) is embedded in the lower end of the filter (21); The main push rod (23) and the side push rod (24) form an up-and-down sliding structure with the double guide slide rod (6), and the vibration plate (25) at the lower end of the side push rod (24) is correspondingly arranged above the support seat (8); The sides of the control shaft (17) and the main push rod (23) are fixedly connected with transmission protrusions (26), and the upper and lower groups of transmission protrusions (26) are connected to each other through a linkage rod (27); The upper end of the linkage rod (27) is rotatably connected to the side of the control shaft (17) through the transmission protrusion (26), and the lower end of the linkage rod (27) is rotatably connected to the upper part of the main push rod (23) through the transmission protrusion (26).

2. The filling device for producing water-based polyurethane resin with a filtering and impurity removal structure according to claim 1, characterized in that: The two sides of the support seat (8) form an up and down sliding structure through the guide slip rings (7) and the long guide slide rod (4) and the double guide slide rods (6), and the guide slip rings (7) on the sides of adjacent support seats (8) are fixedly connected, and the two groups of guide slip rings (7) at the middle position form a threaded transmission structure through the threaded disk (15) and the driving screw (14).

3. The filling device for producing water-based polyurethane resin with a filtering and impurity removal structure according to claim 1, characterized in that: The elastic limiting angle plate (12) is elastically connected and arranged on the inner side of the protective clamp ring (10), and the elastic limiting angle plates (12) on the left and right sides are elastically engaged and limited and arranged on the outside of the filling bottle.

4. The filling device for producing water-based polyurethane resin with a filtering and impurity removal structure according to claim 1, characterized in that: The filter (21) is correspondingly arranged at the lower end of the filling head (2), and the filter (21) is elastically engaged with the control frame (18) through the elastic clamping block (20), and the elastic clamping block (20) is supported and arranged on the upper end of the supporting block (19).

5. The filling device for producing water-based polyurethane resin with a filtering and impurity removal structure according to claim 4, characterized in that: The steering frame (18) forms a rotating structure with the side fixing frame (16) through the steering shaft (17), and the leftmost steering shaft (17) is connected to the output end of the upper servo motor (28), and the upper servo motor (28) is fixedly installed on the left side of the equipment bracket (3).

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