Flocculating agent feeding device for environment-friendly water treatment equipment

Abstract

The utility model discloses a flocculant feeding device for environment-friendly water treatment equipment in the field of environment-friendly water treatment, which comprises a support base, universal wheels are rotatably mounted at four corners of the bottom of the support base, and a storage box is welded on one side of the top of the support base. The top surface of the storage box is symmetrically provided with feeding hoppers communicated with the interior of the storage box, and the top end of the interior of the storage box is provided with a mixing mechanism used for mixing and stirring a flocculating agent. The feeding mechanism can adjust the feeding height and the feeding angle according to actual use requirements, so that the feeding mechanism can be suitable for environment-friendly water treatment equipment with different heights, the flexibility of feeding a flocculant is improved, the use range of the flocculant is widened, operation is simple, use is convenient and fast, a quantifying mechanism can quantitatively feed the flocculant, and the practicability is high. The feeding amount of the flocculating agent is flexible and controllable, the manual labor amount is reduced, and the use by an operator is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of environmental protection water treatment, in particular to a flocculant delivery device for environmental protection water treatment equipment. Background Art

[0002] As the country pays more and more attention to the environmental protection water treatment industry, the environment in which the environmental protection water treatment industry is located is more conducive to their development.

[0003] However, most of the existing flocculant delivery devices for environmental protection water treatment equipment cannot flexibly adjust the delivery height and angle during use, so that they cannot be applied to environmental protection water treatment equipment of different heights, and the flocculant cannot be delivered quantitatively, which increases the workload, has low practicality, and is not conducive to people's use. Therefore, the technical personnel in this field provide a flocculant delivery device for environmental protection water treatment equipment to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a flocculant delivery device for environmental protection water treatment equipment to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flocculant delivery device for environmental protection water treatment equipment, comprising a support base, the four corners of the bottom of the support base are rotatably mounted with universal wheels, a storage box is welded to one side of the top of the support base, a feed hopper connected to the inside of the storage box is symmetrically mounted on the top surface of the storage box, a mixing mechanism for mixing and stirring flocculants is provided at the top of the storage box, and a quantitative mechanism for quantitatively conveying flocculants is provided at the bottom end of the mixing mechanism, which is located inside the storage box;

[0006] A delivery mechanism for delivering flocculant is provided on one side of the bottom end of the quantitative mechanism, one end of the delivery mechanism extends to the outside of the storage box, and a lifting mechanism is provided on the top of the support base, which is located on one side of the delivery mechanism and is used to adjust the height position when delivering flocculant. The top surface of the lifting mechanism is connected to one end of the delivery mechanism via an adjusting component.

[0007] Preferably: the mixing mechanism includes a mixing barrel, a first motor, a stirring shaft and a stirring rod, a mixing barrel is welded to the inner top end of the storage box, a first motor is installed in the middle of the top surface of the storage box by bolts, a stirring shaft is provided inside the mixing barrel, one end of the stirring shaft passes through the storage box and is fixedly connected to the output end of the first motor by a rotating shaft, a plurality of stirring rods distributed equidistantly are welded to the surface of the stirring shaft, a discharge port connected to the interior of the mixing barrel is welded to the bottom end of the mixing barrel, and a quantitative mechanism located inside the storage box is provided at the bottom end of the discharge port.

[0008] Preferably, a solenoid valve is arranged inside the discharge port.

[0009] Preferably: the quantitative mechanism includes a quantitative cylinder, a level sensor, an electric push rod and a reset spring, the bottom end of the discharge port is welded with a support plate located inside the storage box, one side of the top surface of the support plate is provided with a movable groove, the inside of the movable groove is slidably connected with a quantitative cylinder located at the bottom of the discharge port, one side of the inner wall of the quantitative cylinder is installed with a level sensor, one side of the inner wall of the storage box is installed with an electric push rod by bolts, the top surface of the movable end of the electric push rod is installed on one side of the outer wall of the quantitative cylinder, a mounting block is welded on the outer wall of the quantitative cylinder away from the electric push rod, one side of the mounting block is welded with equidistantly distributed reset springs, the other ends of the reset springs are welded to the inner wall of the storage box, a telescopic rod penetrating the reset spring is fixedly installed between the inner wall of the storage box and one side of the mounting block, and the bottom end of the quantitative cylinder is welded with a dispensing mechanism located on the bottom surface of the support plate.

[0010] Preferably: the delivery mechanism includes a delivery tube, a pumping tube, a pumping pump, a telescopic tube and a delivery tube, the bottom surface of the support plate is provided with a through hole which is connected with the inside of the movable groove and is located on one side of the bottom end of the quantitative tube, the outside of the through hole is welded with the delivery tube located on the bottom surface of the support plate, the bottom end of the delivery tube is connected and installed with a pumping tube, one end of the pumping tube extends to the outside of the storage box and is connected and installed with a pumping pump located on the top of the support base, the output end of the pumping pump is connected and installed with a telescopic tube, the end of the telescopic tube away from the pumping pump is connected and installed on the top of the delivery tube, and a lifting mechanism located on the top of the support base is provided at the bottom of one side of the delivery tube.

[0011] Preferably: the lifting mechanism includes a fixed frame, a movable frame, a connecting block, a second motor, a threaded rod and a round rod, a fixed frame located at the top of the supporting base is welded to the bottom of one side of the delivery tube, a movable frame of the same height is slidably connected to the inside of the fixed frame, rectangular grooves communicating with the inside of the fixed frame are opened on both sides of the fixed frame, connecting blocks extending to the outside of the fixed frame are welded to the bottom ends of both sides of the movable frame close to the rectangular groove, a second motor located at the top of the supporting base is installed on one side of the fixed frame, baffles are welded on both sides of the top of the fixed frame, a threaded rod is rotatably connected to the bottom surface of one of the baffles, one end of the threaded rod passes through the connecting block and is fixedly connected to the output end of the second motor by a rotating shaft, a round rod is welded to the bottom surface of the other baffle, one end of the round rod passes through another connecting block and is welded to the top of the supporting base, the connecting block is rotatably connected to the threaded rod by threads and is slidably connected to the round rod, and the top surface of the movable frame is connected to one end of the delivery tube by an adjusting component.

[0012] Preferably, the adjusting assembly includes a third motor, a rotating rod and a support rod. A U-shaped plate is welded to the top surface of the moving frame. A third motor is installed on one side of the U-shaped plate. The output end of the third motor is fixedly connected to a rotating rod through a rotating shaft. The other end of the rotating rod penetrates through the U-shaped plate and is rotatably installed on one side of the inner wall of the U-shaped plate. A support rod is welded to the surface of the rotating rod. One end of the support rod away from the rotating rod is connected to one end of the feeding pipe through a thread.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, for the flocculant feeding device of the environmental protection water treatment equipment, through the combined action of the lifting mechanism and the adjusting assembly, the feeding mechanism can be adjusted in terms of the feeding height and the feeding angle according to actual usage needs, so that it can be applicable to environmental protection water treatment equipment of different heights, increasing the flexibility of flocculant feeding and the scope of use, and the operation is simple.

[0015] 2. In the present utility model, for the flocculant feeding device of the environmental protection water treatment equipment, through the quantitative mechanism, the flocculant can be quantitatively fed, making the feeding amount of the flocculant flexibly controllable, reducing the manual labor amount, and facilitating the use of the operator. Description of the Drawings

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is the first cross-sectional view of the overall structure of the present utility model;

[0018] Figure 3 is the second cross-sectional view of the overall structure of the present utility model;

[0019] Figure 4 is the third cross-sectional view of the overall structure of the present utility model.

[0020] In the figure: 1, support base; 2, universal wheel; 3, storage box; 4, feed hopper; 10, solenoid valve; 11, support plate; 12, activity groove; 13, mounting block; 14, telescopic rod; 15, through hole; 16, rectangular groove; 17, baffle; 18, U-shaped plate; 51, mixing barrel; 52, first motor; 53, stirring shaft; 54, stirring rod; 55, discharge port; 61, measuring cylinder; 62, level sensor; 63, electric push rod; 64, return spring; 71, feeding cylinder; 72, pumping pipe; 73, pumping pump; 74, telescopic pipe; 75, feeding pipe; 81, fixing frame; 82, moving frame; 83, connecting block; 84, second motor; 85, threaded rod; 86, round rod; 91, third motor; 92, rotating rod; 93, support rod. Detailed Embodiment

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 to Figure 4 In an embodiment of the utility model, a flocculant delivery device for environmental water treatment equipment includes a support base 1, and universal wheels 2 are rotatably installed at the four corners of the bottom of the support base 1 to facilitate the movement of the flocculant delivery device for environmental water treatment equipment. A storage box 3 is welded to one side of the top of the support base 1, and a feeding hopper 4 connected to the interior of the storage box 3 is symmetrically installed on the top surface of the storage box 3 for the entry of flocculants.

[0023] A mixing mechanism for mixing and stirring the flocculant is provided at the top inner side of the storage box 3, and the combined mechanism includes a mixing barrel 51, a first motor 52, a stirring shaft 53 and a stirring rod 54. The mixing barrel 51 is welded at the top inner side of the storage box 3, and the first motor 52 is installed in the middle of the top surface of the storage box 3 by bolts. A stirring shaft 53 is provided inside the mixing barrel 51, and one end of the stirring shaft 53 passes through the storage box 3 and is fixedly connected to the output end of the first motor 52 by a rotating shaft. A plurality of stirring rods 54 distributed equidistantly are welded on the surface of the stirring shaft 53, and a discharge port 55 connected to the inside of the mixing barrel 51 is welded to the bottom end of the mixing barrel 51, and a solenoid valve 10 is arranged inside the discharge port 55. A transparent observation window connected to the inside of the mixing barrel 51 can be installed on one side of the storage box 3 for observing the remaining flocculant inside the mixing barrel 51.

[0024] When in use, the flocculant used for the environmental protection water treatment equipment is put into the mixing barrel 51 in sequence through the feed hopper 4, and then the first motor 52 is started. The output end of the first motor 52 rotates to drive the stirring shaft 53 to rotate accordingly. When the stirring shaft 53 rotates, the stirring rod 54 rotates to mix and stir the inside of the mixing barrel 51 evenly.

[0025] The bottom end of the discharge port 55 is provided with a quantitative mechanism located inside the storage box 3 for quantitatively conveying the flocculant, the quantitative mechanism includes a quantitative cylinder 61, a level sensor 62, an electric push rod 63 and a reset spring 64, the bottom end of the discharge port 55 is welded with a support plate 11 located inside the storage box 3, a movable groove 12 is provided on one side of the top surface of the support plate 11, and the inside of the movable groove 12 is slidably connected with the quantitative cylinder 61 located at the bottom end of the discharge port 55, a level sensor 62 is installed on one side of the inner wall of the quantitative cylinder 61, and an electric push rod 63 is installed on one side of the inner wall of the storage box 3 by bolts. The top surface of the movable end is installed on the outer wall of one side of the metering cylinder 61. A mounting block 13 is welded on the outer wall of the metering cylinder 61 away from the electric push rod 63. One side of the mounting block 13 is welded with equidistantly distributed return springs 64. The other ends of the return springs 64 are welded to the inner wall of the storage box 3. A telescopic rod 14 that penetrates the return spring 64 is fixedly installed between the inner wall of the storage box 3 and one side of the mounting block 13. The telescopic rod 14 is used to prevent the return spring 64 from lateral deformation and affecting actual use. The top surface and the bottom surface of the metering cylinder 61 are connected to each other for subsequent flocculant delivery.

[0026] During use, when the flocculant mixed and stirred in the mixing barrel 51 is ready to be added, first, the control panel is used to adjust the level sensor 62 to monitor the volume height that needs to be added in the metering cylinder 61, and then the solenoid valve 10 is controlled to open, and the flocculant in the mixing barrel 51 is discharged into the interior of the metering cylinder 61 through the discharge port 55. When the flocculant reaches a preset volume in the metering cylinder 61, the level sensor 62 transmits data to the control panel. At this time, the control panel controls the solenoid valve 10 to close, and then controls the start of the electric push rod 63 to push the metering cylinder 61 to slide inside the movable groove 12. At the same time, the reset spring 64 and the telescopic rod 14 are compressed and deformed. The reset spring 64 and the telescopic rod 14 are used to provide a stable moving trajectory for the movement of the metering cylinder 61.

[0027] A delivery mechanism for delivering flocculant is welded to one side of the bottom end of the metering cylinder 61 and is located on the bottom surface of the support plate 11. The delivery mechanism includes a delivery cylinder 71, a pumping pipe 72, a pumping pump 73, a telescopic pipe 74 and a delivery pipe 75. A through hole 15 is opened on the bottom surface of the support plate 11 and is connected to the inside of the movable groove 12 and is located on one side of the bottom end of the metering cylinder 61. A delivery cylinder 71 located on the bottom surface of the support plate 11 is welded to the outside of the through hole 15. The bottom end of the delivery cylinder 71 is connected and installed with the pumping pipe 72. One end of the pumping pipe 72 extends to the outside of the storage box 3 and is connected and installed with the pumping pump 73 located on the top of the support base 1. The output end of the pumping pump 73 is connected and installed with the telescopic pipe 74. The end of the telescopic pipe 74 away from the pumping pump 73 is connected and installed on the top of the delivery pipe 75.

[0028] During use, the measuring cylinder 61 moves closer and slides towards the through hole 15 under the push of the electric push rod 63. When the bottom end of the measuring cylinder 61 is at the top of the through hole 15, the flocculant inside the measuring cylinder 61 will enter the feeding cylinder 71 through the through hole 15. Then, control the operation of the pumping and feeding pump 73 to pump the flocculant into the telescopic tube 74 through the feeding tube 72, and transport it into the interior of the feeding tube 75 through the telescopic tube 74, and then feed it into the environmental protection water treatment equipment through the feeding tube 75.

[0029] At the bottom on one side of the feeding tube 75, there is a lifting mechanism located on the top of the support base 1 for adjusting the height position when feeding the flocculant. The lifting mechanism includes a fixed frame 81, a moving frame 82, a connecting block 83, a second motor 84, a threaded rod 85 and a round rod 86. A fixed frame 81 located on the top of the support base 1 is welded to the bottom on one side of the feeding tube 75. A moving frame 82 of the same height as it is slidably connected inside the fixed frame 81. Rectangular grooves 16 communicating with its interior are opened on both sides of the fixed frame 81. Connecting blocks 83 extending to the outside of the fixed frame 81 are welded to the bottom ends on both sides of the moving frame 82 close to the rectangular grooves 16. A second motor 84 located on the top of the support base 1 is installed on one side of the fixed frame 81. Baffles 17 are welded to both sides of the top end of the fixed frame 81. A threaded rod 85 is rotatably connected to the bottom surface of one of the baffles 17. One end of the threaded rod 85 passes through the connecting block 83 and is fixedly connected to the output end of the second motor 84 through a rotating shaft. A round rod 86 is welded to the bottom surface of the other baffle 17. One end of the round rod 86 passes through the other connecting block 83 and is welded to the top of the support base 1. The connecting block 83 is in threaded rotational connection with the threaded rod 85 and is in sliding connection with the round rod 86.

[0030] The top surface of the moving frame 82 and one end of the feeding tube 75 are connected through an adjusting assembly. The adjusting assembly includes a third motor 91, a rotating rod 92 and a support rod 93. A U-shaped plate 18 is welded to the top surface of the moving frame 82. A third motor 91 is installed on one side of the U-shaped plate 18. The output end of the third motor 91 is fixedly connected to a rotating rod 92 through a rotating shaft. The other end of the rotating rod 92 passes through the U-shaped plate 18 and is rotatably installed on one side of the inner wall of the U-shaped plate 18. A support rod 93 is welded to the surface of the rotating rod 92. One end of the support rod 93 away from the rotating rod 92 is connected to one end of the feeding tube 75 through a thread.

[0031] During use, when it is necessary to adjust the height position and delivery angle according to the actual environmental protection water treatment equipment, first start the second motor 84. When the output end of the second motor 84 rotates, the threaded rod 85 is driven to rotate accordingly, so that the connecting block 83 connected thereto is raised or moved downward. When the connecting block 83 moves, the mobile frame 82 is driven to slide inside the fixed frame 81, and then another connecting block 83 is driven to slide on the surface of the round rod 86. The round rod 86 and the connecting block 83 connected thereto cooperate to provide stable support for the mobile frame 82. When the mobile frame 82 moves, the height position of the delivery tube 75 is changed accordingly through the adjustment component, so that it can be suitable for environmental protection water treatment equipment of different heights. After the height of the delivery tube 75 is adjusted, the third motor 91 is started to drive the support rod 93 to rotate through the rotating rod 92, so that the delivery angle of the delivery tube 75 can be adjusted, which is conducive to uniform delivery of flocculants to the environmental protection water treatment equipment. The operation is simple and convenient to use.

[0032] Working principle: When the flocculant delivery device for environmental water treatment equipment is to be used, firstly, the flocculant for environmental water treatment is delivered into the mixing barrel 51 in sequence through the feed hopper 4, and then the first motor 52 is started to drive the stirring rod 54 to mix and stir the flocculant evenly through the stirring shaft 53. After the flocculant is mixed and stirred, the delivery device is moved to a suitable delivery position through the universal wheel 2, and then the second motor 84 is started to control the operation of the lifting mechanism, and the delivery tube 75 in the delivery mechanism is moved to a suitable delivery height position through the adjustment component, and the third motor 91 is started to drive the adjustment component to operate so that the support rod 93 moves The angle of the delivery tube 75 is adjusted. When the delivery tube 75 is adjusted, the solenoid valve 10 is controlled to open and discharge the flocculant in the mixing barrel 51 into the interior of the metering cylinder 61 through the discharge port 55. At this time, when the preset volume is reached in the metering cylinder 61, the level sensor 62 transmits data to the control panel to control the solenoid valve 10 to close, and then the electric push rod 63 is started to push the metering cylinder 61 to move, and the flocculant in the metering cylinder 61 is transported into the delivery cylinder 71. At the same time, the pumping pump 73 is started to transport the flocculant into the interior of the delivery tube 75 through the delivery mechanism, and the flocculant is delivered to the environmental protection water treatment equipment through the delivery tube 75.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flocculant delivery device for environmental water treatment equipment, comprising a support base (1), wherein four corners of the bottom of the support base (1) are rotatably mounted with universal wheels (2), characterized in that: A storage box (3) is welded to one side of the top of the support base (1); a feed hopper (4) connected to the inside of the storage box (3) is symmetrically mounted on the top surface of the storage box (3); a mixing mechanism for mixing and stirring the flocculant is disposed at the top of the storage box (3); and a quantitative mechanism for quantitatively conveying the flocculant is disposed at the bottom of the mixing mechanism; A delivery mechanism for delivering flocculant is provided on one side of the bottom end of the quantitative mechanism, one end of the delivery mechanism extends to the outside of the storage box (3), and a lifting mechanism is provided on the top of the support base (1) for adjusting the height position of the delivery mechanism when delivering flocculant, and the top surface of the lifting mechanism is connected to one end of the delivery mechanism via an adjustment component.

2. The flocculant delivery device for environmental water treatment equipment according to claim 1, characterized in that: The mixing mechanism comprises a mixing barrel (51), a first motor (52), a stirring shaft (53) and a stirring rod (54); the mixing barrel (51) is welded to the top end of the storage box (3); the first motor (52) is installed in the middle of the top surface of the storage box (3) by bolts; a stirring shaft (53) is arranged inside the mixing barrel (51); one end of the stirring shaft (53) passes through the storage box (3) and is fixedly connected to the output end of the first motor (52) by a rotating shaft; a plurality of stirring rods (54) are welded to the surface of the stirring shaft (53) at equal distances; a discharge port (55) connected to the inside of the mixing barrel (51) is welded to the bottom end of the mixing barrel (51); a quantitative mechanism located inside the storage box (3) is arranged at the bottom end of the discharge port (55).

3. The flocculant delivery device for environmental water treatment equipment according to claim 2, characterized in that: A solenoid valve (10) is disposed inside the discharge port (55).

4. The flocculant delivery device for environmental water treatment equipment according to claim 2, characterized in that: The quantitative mechanism comprises a quantitative cylinder (61), a level sensor (62), an electric push rod (63) and a reset spring (64); a support plate (11) located inside the storage box (3) is welded to the bottom end of the discharge port (55); a movable groove (12) is provided on one side of the top surface of the support plate (11); the quantitative cylinder (61) located at the bottom end of the discharge port (55) is slidably connected inside the movable groove (12); a level sensor (62) is installed on one side of the inner wall of the quantitative cylinder (61); an electric push rod (63) is installed on one side of the inner wall of the storage box (3) by means of bolts; the electric push rod (63) The top surface of the movable end of the measuring cylinder (63) is mounted on the outer wall of one side of the measuring cylinder (61); a mounting block (13) is welded on the outer wall of the measuring cylinder (61) away from the electric push rod (63); one side of the mounting block (13) is welded with equidistantly distributed return springs (64); the other ends of the return springs (64) are welded to the inner wall of the storage box (3); a telescopic rod (14) penetrating the return spring (64) is fixedly mounted between the inner wall of the storage box (3) and one side of the mounting block (13); and a dispensing mechanism located on the bottom surface of the support plate (11) is welded on one side of the bottom end of the measuring cylinder (61).

5. The flocculant delivery device for environmental water treatment equipment according to claim 4, characterized in that: The delivery mechanism comprises a delivery tube (71), a pumping tube (72), a pumping pump (73), a telescopic tube (74) and a delivery tube (75). The bottom surface of the support plate (11) is provided with a through hole (15) which is connected to the inside of the movable groove (12) and is located on one side of the bottom end of the quantitative tube (61). The delivery tube (71) located on the bottom surface of the support plate (11) is welded to the outside of the through hole (15). The bottom end of the delivery tube (71) is connected and installed with the pumping tube (72). One end of the pumping tube (72) extends to the outside of the storage box (3) and is connected and installed with the pumping pump (73) located on the top of the support base (1). The output end of the pumping pump (73) is connected and installed with the telescopic tube (74). One end of the telescopic tube (74) away from the pumping pump (73) is connected and installed on the top of the delivery tube (75). A lifting mechanism located on the top of the support base (1) is provided at the bottom of one side of the delivery tube (75).

6. The flocculant delivery device for environmental water treatment equipment according to claim 5, characterized in that: The lifting mechanism comprises a fixed frame (81), a movable frame (82), a connecting block (83), a second motor (84), a threaded rod (85) and a round rod (86); a fixed frame (81) located at the top of the support base (1) is welded to the bottom of one side of the delivery tube (75); a movable frame (82) at the same height as the fixed frame (81) is slidably connected inside the fixed frame (81); rectangular grooves (16) communicating with the inside of the fixed frame (81) are provided on both sides of the fixed frame (81); connecting blocks (83) extending to the outside of the fixed frame (81) are welded to the bottom of both sides of the movable frame (82) close to the rectangular groove (16); a second motor (84) located at the top of the support base (1) is installed on one side of the fixed frame (81); The fixing frame (81) is provided with a baffle plate (17) welded on both sides of the top end thereof, wherein a threaded rod (85) is rotatably connected to the bottom surface of one of the baffle plates (17), one end of the threaded rod (85) passes through a connecting block (83) and is fixedly connected to the output end of a second motor (84) via a rotating shaft, a round rod (86) is welded to the bottom surface of another baffle plate (17), one end of the round rod (86) passes through another connecting block (83) and is welded to the top of a supporting base (1), the connecting block (83) is rotatably connected to the threaded rod (85) via a thread and is slidably connected to the round rod (86), and the top surface of the movable frame (82) is connected to one end of a delivery tube (75) via an adjusting assembly.

7. The flocculant delivery device for environmental water treatment equipment according to claim 6, characterized in that: The adjustment component comprises a third motor (91), a rotating rod (92) and a supporting rod (93); a shaped plate (18) is welded to the top surface of the movable frame (82); a third motor (91) is installed on one side of the shaped plate (18); an output end of the third motor (91) is fixedly connected to the rotating rod (92) via a rotating shaft; the other end of the rotating rod (92) penetrates the shaped plate (18) and is rotatably installed on one side of the inner wall of the shaped plate (18); a supporting rod (93) is welded to the surface of the rotating rod (92); an end of the supporting rod (93) away from the rotating rod (92) is connected to one end of the delivery tube (75) via a thread.

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