CN115633723A - A kneading machine for green tea processing with adjustable strength - Google Patents

Abstract

The invention discloses a kneading machine for green tea processing with adjustable strength, which is provided with a processing table, a support frame is fixed on the upper edge of the processing table, and the output shaft of the motor is connected to the top of the connecting shaft through a pulley mechanism. ; including: a kneading board fixedly installed on the bottom of the connecting shaft, a protective pad made of rubber is pasted on the lower end of the kneading board, and an adjustment rod runs through the side of the kneading board; the storage box is movably installed on the Inside the processing table: the first magnet is fixed on the bottom of the storage box, and the second magnet is movable below the first magnet. The kneading machine for green tea processing with adjustable strength can adjust part of the kneading surface on the kneading board according to the thickness of the tea leaves and the strength required for kneading, so as to reduce the damage to the tea leaves, and during the kneading process, it can Ensure the uniformity of tea distribution in the storage box and improve the rolling efficiency.

Description

A kneading machine for green tea processing with adjustable strength

technical field

The invention relates to the technical field of tea rolling machines, in particular to a rolling machine for green tea processing with adjustable strength.

Background technique

Green tea leaves need to be de-greened first after picking, and the tea leaves after de-greening need to be kneaded, and the softened tea leaves are kneaded so that the aroma and juice inside can fully adhere to the surface of the tea leaves, and kneaded to form a long strip , for subsequent drying treatment, for example, a high-efficiency tea rolling device whose publication number is CN212520663U includes a workbench, a support frame and a mounting plate, one end of the support frame is fixedly connected to the workbench, and the other end of the support frame is fixedly connected to the mounting plate, A telescopic rod is installed on the lower surface of the mounting plate, and the telescopic rod is fixedly connected with a second motor installation platform. The middle part of the second motor installation platform is provided with a second motor. Motor installation platform, the first motor installation platform is provided with a first motor, the first motor is connected to a pulley through a rotating shaft, the pulley is connected to an active eccentric shaft through a belt, and the active eccentric shaft is connected to a kneading barrel in rotation, and the bottom surface of the kneading barrel is provided with a first Kneading lines, the lower surface of the kneading briquetting block is provided with a second kneading line, the bottom of the kneading barrel is also provided with a drain port, and a filter screen is provided on the drain port, and a driven eccentric shaft is provided on the workbench. Three driven eccentric shafts are evenly and equiangularly fixedly connected to the kneading barrel. But this efficient tea rolling device still has the following disadvantages in actual use:

1. The traditional kneading device can only adjust the distance between the whole kneading mechanism and the tea leaves according to the thickness of the tea leaves and the strength required for kneading. What is adjusted is the entire kneading surface, so it is easy to cause some tea leaves to be damaged during the kneading process. It is inconvenient to adjust the kneading strength of some kneaded noodles;

2. And during the rolling process, most of the tea leaves will be scattered at the edge of the box, so there will be uneven rolling. The traditional rolling device lacks a structure to improve the uniformity of tea distribution during the rolling process.

In view of the above problems, it is urgent to carry out innovative design on the basis of the original tea rolling machine.

Contents of the invention

The object of the present invention is to provide a kind of kneading machine for green tea processing with adjustable strength, to solve the above-mentioned background technology, it is easy to cause some tea leaves to be damaged during the rolling process, it is inconvenient to adjust the kneading strength of part of the kneading surface, and when kneading During the process, most of the tea leaves will be scattered at the edge of the box, so there will be a problem of uneven rolling.

In order to achieve the above object, the present invention provides the following technical solutions: a kneading machine for green tea processing with adjustable strength, which is provided with a processing table, a support frame is fixed on the upper edge of the processing table, and the top of the support frame is installed by bolts There is a motor, the output shaft of the motor is connected to the top of the connecting shaft through a pulley mechanism, and the bearing of the connecting shaft runs through the inside of the support frame;

include:

The kneading plate is fixedly installed on the bottom of the connecting shaft, the lower end surface of the kneading plate is pasted with a protective pad made of rubber, and the inside of the kneading plate is provided with a movable groove, and the movable groove is provided with a movable roller. The side of the kneading plate is movable through an adjusting rod, and the end of the adjusting rod close to the kneading plate is fixedly provided with a worm, and the side of the worm is engaged with a worm wheel;

The material storage box is movably installed inside the processing table, and a fixing groove is opened in the processing table outside the material storage box, and a fixed rod is fixed on the side of the material storage box, and a return spring is wound on the outside of the fixed rod;

The first magnet is fixed on the bottom of the storage box, a second magnet is movable below the first magnet, and a movable rod is fixed on the lower end surface of the second magnet, and another reset is wound around the outer side of the movable rod. A spring, the bottom of the movable rod is connected with a piston plate, and a connection cavity is opened in the processing table outside the piston plate.

Preferably, the movable rollers form a longitudinal sliding structure through movable grooves and kneading plates, and the movable rollers are symmetrically distributed about the vertical axis of the kneading boards, and the bottom of the movable rollers contacts the upper surface of the protective pad, while the kneading boards are about the The center of the box is set eccentrically, so the kneading plate can knead the tea through the plane, and the moving roller after moving down can drive the protective pad to bulge, so as to realize kneading with different strengths.

Preferably, the inside of the worm wheel is fixed through a movable cylinder, and the two ends of the movable cylinder are threadedly connected with connecting rods, and the end of the connecting rod away from the movable cylinder is fixed with a guide block, and the movable cylinder can be driven to rotate through the transmission of the worm and the worm wheel , so that through the threaded connection with the connecting rod, the two guide blocks can be driven close to each other or away from each other.

Preferably, the side of the guide block close to the movable roller is provided with an inclined surface, and the inclined surface of the guide block is in contact with the top of the active roller, and the moving directions of the two guide blocks are set in opposite directions. When the guide block pushes the active roller, it can drive The movable roller slides down in the movable groove, and drives the protective pad below the movable groove to protrude downward.

Preferably, the material storage box forms a horizontal relative movement structure through the fixing groove and the processing table, and the fixed rod and the processing table are in a sliding connection. The end of the fixed rod away from the material storage box is fixed with a piston block, and the processing table outside the piston block There is a fixed cavity inside, and when the material storage box is pushed, it can move horizontally in the fixed groove and drive the fixed rod to slide on the processing table.

Preferably, the top of the fixed cavity communicates with one end of the air delivery pipe, and the other end of the air delivery pipe is fixed with a connecting sleeve, and the connecting sleeve is sleeved on the outside of the connecting shaft, and the connecting sleeve and the connecting shaft are rotating Connection, when the piston block moves, the gas in the fixed chamber can be squeezed into the gas delivery pipe, and then enter the connecting shaft through the connecting sleeve block and the fixing hole.

Preferably, the connecting block communicates with the connecting shaft through a fixing hole, and the fixing hole is arranged on the surface of the connecting shaft inside the connecting block, and the lower end side of the connecting shaft communicates with each other through the fixing tube and the inside of the kneading plate, while kneading An air outlet is reserved at the center of the lower surface of the plate, and the gas in the connecting shaft can enter the interior of the rolling plate through the fixed pipe, so that the tea leaves can be dispersed when discharged from the air outlet.

Preferably, the first magnet and the second magnet are homopolar magnets, and the second magnet forms a longitudinal sliding structure through the movable rod and the processing table, and the edge of the piston plate fits and slides with the inner wall of the connecting cavity. When the first magnet and the second magnet are on the same vertical line, the second magnet can be driven to move downward, and when the two are interlaced, the second magnet rises.

Preferably, the connecting cavity communicates with each other through the gas delivery channel and the connecting hose, and the gas delivery channel is arranged inside the processing table, and the two ends of the connecting hose are respectively connected to the inner corner of the fixing groove and the outer corner of the storage box. When the second magnet descends, it can drive the piston plate to descend synchronously, and then transfer the gas in the connecting chamber to the connecting hose through the gas delivery channel.

Preferably, the connecting hose communicates with the gas outlet through the material storage box, and the gas outlet is fixed on the inner wall of the material storage box at an equal angle, and the outer diameter of the material storage box is less than the length of the fixing groove, and finally the gas can pass through the gas outlet Discharge, and blow the tea leaves to the center of the storage box from all sides to avoid uneven rolling of tea leaves.

Compared with the prior art, the beneficial effect of the present invention is that: the adjustable intensity kneading machine for green tea processing can adjust part of the kneading surface on the kneading board according to the thickness of the tea leaves and the intensity required for kneading, thereby reducing the amount of kneading. Minimize the damage to the tea leaves, and during the rolling process, it can ensure the uniform distribution of the tea leaves in the storage box and improve the rolling efficiency. The details are as follows:

1. The movable cylinder can be driven to rotate through the transmission of the worm and the worm wheel, so that the two guide blocks can be driven close to each other or far away from each other through the threaded connection with the connecting rod. When they are far away from each other, the movable roller can be pushed to slide down in the movable groove. And push the protective pad to protrude downward, so that the kneading strength of part of the kneading surface can be adjusted without causing damage to a large amount of tea leaves. When the guide blocks are close to each other, the movable roller is automatically moved up by the resilience of the protective pad to ensure The lower surface of the kneading plate is flat;

2. When the kneading plate rotates and touches the left side of the storage box, it can push the storage box to move in the fixed groove, and through the setting of the return spring, the movement of the storage box can be realized through the rotation of the kneading plate, thereby ensuring the tea leaves Uniformity of distribution, at the same time, when the storage box moves to the right, the gas in the fixed chamber can be squeezed into the gas delivery pipe through the piston block, and then enter the kneading plate through the connecting shaft and the fixed pipe, so during the rotation kneading process The blown gas can accelerate the drying of the moisture on the surface of the tea after finishing;

3. When the storage box moves, it drives the first magnet and the second magnet to stagger, so that the second magnet can be lifted by the resilience of the return spring, and when the storage box moves to the state where the first magnet and the second magnet overlap, it will pass The repulsion performance can drive the second magnet, the movable rod and the piston plate to move downwards, and then the gas in the connection cavity is transported to the material storage box through the gas delivery channel and the connection hose, and finally can be discharged from the gas outlet nozzle and discharged from the storage box. The tea leaves are blown towards the center around the box to avoid uneven rolling and ensure the uniformity of tea distribution.

Description of drawings

Fig. 1 is a schematic diagram of the front section structure of the present invention;

Fig. 2 is the structural schematic diagram of the front section of the rolling board of the present invention;

Fig. 3 is the schematic diagram of the side sectional structure of the kneading plate of the present invention;

Fig. 4 is the schematic diagram of the structure of the movable roller of the present invention after moving;

Fig. 5 is a schematic diagram of a top-down structure of the present invention;

Fig. 6 is a schematic diagram of a cross-sectional structure at A in Fig. 1 of the present invention;

Fig. 7 is a schematic diagram of the front section structure of the connecting shaft of the present invention;

Fig. 8 is a schematic diagram of the front section structure of the material storage box of the present invention;

Fig. 9 is a schematic diagram of the structure of the storage box of the present invention after being moved.

In the figure: 1. processing table; 2. support frame; 3. motor; 4. connecting shaft; ; 11, worm gear; 12, movable cylinder; 13, connecting rod; 14, guide block; 15, storage box; 16, fixed groove; 17, fixed rod; 18, return spring; 19, piston block; 20, fixed chamber 21, air pipe; 22, connecting block; 23, fixed hole; 24, fixed pipe; 25, air outlet; 26, first magnet; 27, second magnet; 28, movable rod; 29, piston plate; 30. Connecting cavity; 31. Air delivery channel; 32. Connecting hose; 33. Air outlet nozzle.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-9, the present invention provides a kind of technical scheme: a kind of kneading machine for green tea processing with adjustable intensity, is provided with processing table 1, and the upper edge of processing table 1 is fixed with support frame 2, and support frame 2 The top of the motor 3 is installed with bolts, the output shaft of the motor 3 is connected to the top of the connecting shaft 4 through the pulley mechanism, and the bearing of the connecting shaft 4 runs through the inside of the support frame 2; it includes: kneading plate 5, fixedly installed on the connecting shaft 4, the lower end surface of the kneading plate 5 is pasted with a protective pad 6 of rubber material, and the inside of the kneading plate 5 is provided with a movable groove 7, and the internal activity of the movable groove 7 is provided with a movable roller 8, and the side of the kneading plate 5 is movable. An adjusting rod 9 runs through, and the end of the adjusting rod 9 close to the kneading plate 5 is fixedly sleeved with a worm 10, and the side of the worm 10 is engaged with a worm wheel 11; the material storage box 15 is movably installed in the inside of the processing table 1, and the material is stored The processing table 1 on the outside of the box 15 is provided with a fixed groove 16, and the side of the material storage box 15 is fixed with a fixed rod 17, and the outside of the fixed rod 17 is wound with a return spring 18; the first magnet 26 is fixed on the material storage box 15 The bottom of the bottom of the first magnet 26 is provided with a second magnet 27, and the lower end surface of the second magnet 27 is fixed with a movable rod 28, and the outer side of the movable rod 28 is wound with another return spring 18, and the bottom of the movable rod 28 The piston plate 29 is connected, and a connection cavity 30 is opened in the processing table 1 outside the piston plate 29 .

As shown in Figures 1-4, the movable roller 8 forms a longitudinal sliding structure through the movable groove 7 and the kneading plate 5, and the movable roller 8 is symmetrically distributed about the vertical axis of the kneading plate 5, and the bottom of the movable roller 8 and the protective pad 6 The upper surface is in contact, and the kneading plate 5 is arranged eccentrically with respect to the circle center of the material storage box 15; the inside of the worm wheel 11 is fixed through a movable cylinder 12, and the two ends of the movable cylinder 12 are threaded with connecting rods 13, and the connecting rods 13 are far away from the movable cylinder One end of 12 is fixed with a guide block 14; the side of the guide block 14 close to the movable roller 8 is provided with a slope, and the slope of the guide block 14 is in contact with the top of the movable roller 8, and the moving directions of the two guide blocks 14 are set oppositely. When it is necessary to adjust the kneading strength, the worm 10 can be driven to rotate synchronously by rotating the adjusting rod 9, and then the movable cylinder 12 can be driven to rotate through the engagement with the worm wheel 11, so that the threaded connection between the movable cylinder 12 and the connecting rod 13 , can drive the two guide blocks 14 to approach each other or move away from each other. When moving away from each other, the movable roller 8 can be pushed down in the movable groove 7, and then the protective pad 6 below it can be pushed to protrude, so that the protective pad 6 under the movable roller 8 The distance between the tea leaves and the tea leaves is reduced, thereby increasing the kneading force. When there is no need to adjust the movable roller 8, just turn the adjusting rod 9 in the opposite direction, so that the movable roller 8 can be driven upward by the resilience of the protective pad 6, so that the kneading plate 5 The lower surface of the machine is in a flat state, so as to realize flat kneading, so as to meet the kneading requirements of different strengths;

As shown in Figures 1 and 5, the material storage box 15 forms a horizontal relative movement structure through the fixing groove 16 and the processing table 1, and the fixed rod 17 and the processing table 1 are connected by sliding. There is a piston block 19, and a fixed cavity 20 is provided in the processing table 1 outside the piston block 19. After adjusting the strength required for kneading, the motor 3 drives the connecting shaft 4 to rotate through the belt pulley mechanism, and then drives the kneading plate 5 in the storage box. Rotate in 15 to knead the tea leaves. When the kneading plate 5 rotates and contacts the left end of the material storage box 15, it can push the material storage box 15 to move in the fixed groove 16, and drive the fixed rod 17 to slide on the processing table 1, and knead When the plate 5 does not push the material storage box 15, the resiliency of the return spring 18 can drive the material storage box 15 to return to its original position, so that the reciprocating horizontal movement of the material storage box 15 can be realized by the continuous rotation of the rolling plate 5, so as to enhance the tea leaves in the storage. The uniformity of distribution in the material box 15, thereby improving the comprehensiveness of rolling;

As shown in Figure 1 and Figures 6-7, the top of the fixed cavity 20 and one end of the air delivery pipe 21 communicate with each other, and the other end of the air delivery pipe 21 is fixed with a connecting sleeve 22, and the connecting sleeve 22 is sleeved on the connecting shaft 4 At the same time, the connecting sleeve block 22 and the connecting shaft 4 are rotationally connected. When the material storage box 15 moves to the left, it drives the fixed rod 17 and the piston block 19 to move to the left. Resilience can drive the piston block 19 to move quickly to the right, and push the gas in the fixed cavity 20 into the gas delivery pipe 21; the connecting sleeve block 22 communicates with the connecting shaft 4 through the fixing hole 23, and the fixing hole 23 is arranged on the connection The surface of the connecting shaft 4 inside the cover block 22, and the lower end side of the connecting shaft 4 communicate with each other through the fixed pipe 24 and the inside of the kneading plate 5. At the same time, an air outlet 25 is reserved at the center of the lower surface of the kneading plate 5, and the air delivery pipe 21 The gas in the air can enter the connecting shaft 4 through the fixing hole 23, and the setting of the connecting sleeve block 22 will not hinder the rotation of the connecting shaft 4. Afterwards, the gas enters the kneading plate 5 through the fixing pipe 24, and is discharged from the air outlet hole 25. To the surface of the rolled tea leaves, the excess moisture on the surface of the tea leaves after finishing can be removed, and it is removed synchronously during the rolling process, and there is no need to use additional air transmission equipment;

As shown in Figure 1 and Figures 8-9, the first magnet 26 and the second magnet 27 are magnets of the same pole, and the second magnet 27 forms a longitudinal sliding structure through the movable rod 28 and the processing table 1, and the edge of the piston plate 29 Fitting and sliding with the inner wall of the connection cavity 30; the connection cavity 30 communicates with each other through the gas delivery channel 31 and the connection hose 32, and the gas delivery channel 31 is arranged inside the processing table 1, and the two ends of the connection hose 32 are respectively connected to the fixed The inner corner of the groove 16 is connected with the outer corner of the material storage box 15; the connecting hose 32 communicates with the air outlet 33 through the material storage box 15, and the air outlet 33 is fixed on the inner wall of the material storage box 15 at an equal angle, and the material storage The outer diameter of box 15 is less than the length of fixed groove 16, and after material storage box 15 moves to the left, drives first magnet 26 and second magnet 27 to stagger, and second magnet 27 is not subject to the power of mutual repulsion like this, by return spring 18 The resilience of the second magnet can drive the second magnet 27 to move upward, and when the material storage box 15 drives the first magnet 26 to move to the top of the second magnet 27, the repulsion between the two can drive the second magnet 27 to move upward. Move down, and drive the piston plate 29 downwards synchronously through the movable rod 28, and push the gas in the connecting chamber 30 into the gas delivery channel 31, so that during the movement of the storage box 15, the gas can also pass through the connecting hose 32 into the material storage box 15, and finally discharged from the air outlet 33, the tea leaves at the edge of the material storage box 15 are blown towards its center to avoid the phenomenon of blind spots in rolling, and further improve the uniformity of rolling.

Working principle: as shown in Figure 1-9, put the tea leaves that need to be twisted into the storage box 15, and then adjust the height of the movable roller 8 according to the amount of tea leaves and the intensity of rolling. When the movable roller 8 is lowered, the protective roller can be pushed The pad 6 is in a raised state to achieve different strengths of kneading, and during the kneading process, the tea leaves can be dried by the blown air, and the storage box 15 can be moved horizontally to improve the uniformity of tea distribution;

At the same time, the repulsion of the magnets is used to generate gas, and the gas is blown from the air outlet 33 to the tea leaves, which can further improve the uniformity of tea distribution and prevent the tea leaves from piling up on the edge of the storage box 15 to affect the comprehensiveness of rolling.

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.

Claims (10)

1. A kneading machine for green tea processing with adjustable strength is provided with a processing table (1), the upper edge of the processing table (1) is fixed with a support frame (2), and the top of the support frame (2) passes through A motor (3) is mounted on the bolt, the output shaft of the motor (3) is connected to the top of the connecting shaft (4) through a pulley mechanism, and the bearing of the connecting shaft (4) runs through the inside of the support frame (2); It is characterized by including: The kneading plate (5) is fixedly installed on the bottom of the connecting shaft (4), the lower end surface of the kneading plate (5) is pasted with a protective pad (6) of rubber material, and the inside of the kneading plate (5) is provided with Movable groove (7), and the inside of movable groove (7) is provided with movable roller (8), and the side movement of described kneading board (5) is penetrated with regulating rod (9), and regulating rod (9) is close to kneading board (5) One end fixed sleeve is provided with worm screw (10), and the side of worm screw (10) is meshed with worm wheel (11); The material storage box (15) is movably installed inside the processing table (1), and the processing table (1) outside the described material storage box (15) is provided with a fixed groove (16), and the material storage box (15) ) is fixed with a fixed rod (17) on the side, and the outside of the fixed rod (17) is wound with a return spring (18); The first magnet (26) is fixed on the bottom of the storage box (15), and the second magnet (27) is movable below the first magnet (26), and the lower end surface of the second magnet (27) is A movable rod (28) is fixed, and another return spring (18) is wound on the outside of the movable rod (28), the bottom of the movable rod (28) is connected with a piston plate (29), and the outer side of the piston plate (29) A connection cavity (30) is provided in the processing table (1). 2. a kind of adjustable strength green tea processing kneading machine according to claim 1 is characterized in that: described movable roller (8) forms longitudinal sliding structure by movable groove (7) and kneading plate (5), And the movable roller (8) is symmetrically distributed about the vertical axis of the rolling plate (5), and the bottom of the movable roller (8) contacts the upper surface of the protective pad (6), while the rolling plate (5) is about the material storage box (15) The eccentric setting of the center of the circle. 3. The green tea processing kneading machine of a kind of adjustable strength according to claim 1, is characterized in that: the inside of described worm wheel (11) is fixedly penetrated with movable tube (12), and the two sides of movable tube (12) The ends are threadedly connected with a connecting rod (13), and the end of the connecting rod (13) away from the movable cylinder (12) is fixed with a guide block (14). 4. The green tea processing kneading machine with adjustable strength according to claim 3, characterized in that: the side of the guide block (14) near the movable roller (8) is provided on an inclined plane, and the guide block (14) ) is in contact with the top of the movable roller (8), and the direction of movement of the two guide blocks (14) is set oppositely. 5. A kneading machine for green tea processing with adjustable strength according to claim 1, characterized in that: the storage box (15) forms a horizontal relative movement through the fixed groove (16) and the processing table (1) structure, and the fixed rod (17) and the processing table (1) are slidingly connected. One end of the fixed rod (17) away from the material storage box (15) is fixed with a piston block (19), and the processing table (19) outside the piston block (19) 1) There is a fixed cavity (20) inside. 6. A green tea processing kneading machine with adjustable strength according to claim 5, characterized in that: the top of the fixed chamber (20) and one end of the air delivery pipe (21) communicate with each other, and the air delivery pipe (21) ) is fixed with a connection cover block (22), and the connection cover block (22) is sleeved on the outside of the connection shaft (4), and the connection cover block (22) and the connection shaft (4) are connected for rotation simultaneously. 7. A green tea processing kneading machine with adjustable strength according to claim 6, characterized in that: the connecting block (22) communicates with the connecting shaft (4) through a fixing hole (23), and is fixed The hole (23) is arranged on the surface of the connecting shaft (4) inside the connecting sleeve (22), and the lower end side of the connecting shaft (4) communicates with each other through the fixed pipe (24) and the inside of the kneading plate (5). An air outlet (25) is reserved at the center of the lower surface of (5). 8. a kind of adjustable dynamics according to claim 1 is characterized in that: the first magnet (26) and the second magnet (27) are homopolar magnets, and the second magnet ( 27) A longitudinal sliding structure is formed by the movable rod (28) and the processing table (1), and the edge of the piston plate (29) fits and slides against the inner wall of the connecting cavity (30). 9. A kneading machine for processing green tea with adjustable strength according to claim 1, characterized in that: the connecting cavity (30) communicates with each other through the air delivery channel (31) and the connecting hose (32), and The air delivery channel (31) is arranged inside the processing table (1), and the two ends of the connecting hose (32) are respectively connected with the inner corner of the fixing groove (16) and the outer corner of the material storage box (15). 10. A kind of kneading machine for processing green tea with adjustable strength according to claim 9, characterized in that: the connecting hose (32) communicates with the air outlet (33) through the material storage box (15), and The air outlet nozzle (33) is fixed on the inner wall of the material storage box (15) at equal angles, and the outer diameter of the material storage box (15) is less than the length of the fixing groove (16).

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