Anti-sticking and anti-blocking conveying and discharging device

By introducing stirring and knocking functions into the conveying and discharging device, material agglomeration is destroyed and discharging is assisted, thus solving the problem of material blockage, achieving smooth material conveying and equipment stability, and reducing economic losses and maintenance costs.

CN120664352APending Publication Date: 2025-09-19邵坤
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Patent Information

Application Number
CN202511121127.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-12
Publication Date
2025-09-19

AI Technical Summary

Technical Problem

Existing conveying and discharging devices are prone to blockage due to sticky agglomeration during material conveying, affecting production efficiency and possibly leading to material shortages, production stoppages and economic losses.

Method used

A conveying and discharging device with stirring and knocking functions is designed. The material is double-stirred by the stirring shaft to break up the clumps, and the knocking and shaking of the discharge pipe assist in material discharge, reducing the risk of blockage.

Benefits of technology

It effectively prevents material agglomeration, ensures smooth material transportation, reduces blockage risks, improves equipment operation stability, reduces material outages and production stoppages and economic losses, improves the working environment and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention discloses an anti-sticking and anti-blocking conveying and discharging device, and belongs to the field of conveying and discharging. Comprising a bottom plate, supporting plates are symmetrically and fixedly connected to the left side of the upper surface of the bottom plate, and a storage mechanism is arranged between the two supporting plates; knocking mechanisms are arranged on the two sides of the storage mechanism; a dust collection mechanism is arranged behind the storage mechanism; a plurality of discharging pipes are arranged below the storage mechanism, and elastic supporting mechanisms are arranged among the multiple discharging pipes; the storage mechanism comprises a storage box, a plurality of discharge pipes are integrally formed at the bottom of the storage box, an L-shaped support is fixedly connected to the front surface of the storage box, a motor is fixedly connected to the inner side of the L-shaped support, and when the motor drives a first stirring shaft to rotate, a second stirring shaft is synchronously driven to rotate reversely through meshing transmission of a first gear and a second gear, and the second stirring shaft is driven to rotate reversely. The stirring blades on the stirring shaft I and the stirring shaft II are used for stirring the materials in the storage box in an up-down double-layer crossed manner.
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Description

Technical Field

[0001] The present invention relates to the field of conveying and discharging, and in particular to an anti-blocking conveying and discharging device. Background Art

[0002] In the industrial production process, material transportation and discharge are extremely critical links and are widely used in many fields such as chemical industry, metallurgy, and building materials. Existing conveying and discharge devices have many problems in actual use, especially the problem of material sticking and blocking, which seriously affects production efficiency and the normal operation of equipment. This not only affects the material transportation efficiency, but in serious cases can also lead to material shortages and production stoppages, causing significant economic losses or safety accidents.

[0003] In order to solve this problem, we need a device that can stir the material storage part to prevent the material from becoming sticky and clumping, which will lead to subsequent transmission blockage problems. We also designed a device that can knock on the discharge part to assist in discharge and prevent blockage. At the same time, by shaking the discharge pipe, we can accelerate discharge and avoid blockage problems. For this reason, we proposed an anti-blocking conveying and discharge device. Summary of the Invention

[0004] Purpose of the invention: The purpose of the present invention is to provide a conveying and discharging device that can effectively stir the material storage part, destroy the agglomeration of the material due to viscosity through the stirring action, reduce the possibility of material clogging during subsequent transmission from the source, and ensure the smoothness of material transportation; the present invention also has a purpose to provide a conveying and discharging device that integrates the functions of knocking the discharge part and shaking the discharge pipe, which assists the material to fall by knocking on the discharge part, and accelerates the discharge of the material with the help of the shaking of the discharge pipe, further avoiding the blockage problem in the discharge process, improving the operating stability of the equipment, and reducing the risk of material interruption and production stoppage and economic losses due to sticking.

[0005] Technical solution: A conveying and discharging device with anti-blocking function, comprising a bottom plate, a support plate symmetrically fixedly connected to the left side of the upper surface of the bottom plate, and a storage mechanism provided between the two support plates;

[0006] Both sides of the storage mechanism are provided with a knocking mechanism;

[0007] A dust collection mechanism is provided behind the storage mechanism;

[0008] A plurality of discharge pipes are provided below the storage mechanism;

[0009] An elastic support mechanism is provided between the plurality of discharge pipes;

[0010] The storage mechanism includes a storage box, a plurality of discharge pipes are integrally formed at the bottom of the storage box, an L-shaped bracket is fixedly connected to the front surface of the storage box, the inner side of the L-shaped bracket is fixedly connected to a motor, the rear end of the output shaft of the motor is located inside the storage box and is fixedly connected to a stirring shaft 1, the outer side wall of the output shaft of the motor is fixedly connected to a gear 1, the interior of the storage box is located below the stirring shaft 1 and is rotatably connected to a stirring shaft 2 via a rotating shaft, the front end of the stirring shaft 2 passes through the support plate located in front of the storage box and is fixedly connected to a gear 2, the gear 1 is meshed with the gear 2, and an inlet is integrally formed above the outer side wall of the discharge pipe and located on the outside of the discharge pipe.

[0011] Furthermore, the outer side wall of the stirring shaft 1 and the outer side wall of the stirring shaft 2 are both fixedly connected with a plurality of stirring blades.

[0012] Furthermore, a turntable is fixedly connected to the outer wall of the second stirring shaft near the second gear, and an arc-shaped rack is fixedly connected to the outer wall of the turntable.

[0013] Furthermore, the knocking mechanism includes two mounting seats, which are fixedly connected to the opposite sides of the support plate. An axis rod is rotatably connected between the two mounting seats facing each other via a rotating shaft. The front end of the axis rod is fixedly connected to a gear three, and the gear three is adapted to the arc-shaped rack.

[0014] Furthermore, a disc is fixedly connected to the rear end of the shaft, and a torsion spring is fixedly connected to the side of the disc opposite to the mounting seat and located on the outside of the shaft.

[0015] Furthermore, a plurality of knocking blocks are fixedly connected to the outer wall of the shaft rod, a plurality of circular rings are sleeved on the outer wall of the discharge pipe, a concave part 1 is fixedly connected to the upper surface of the circular ring 1, a traction rod is rotatably connected to the inner side of the concave part 1 via a rotating shaft, and an end of the traction rod away from the concave part 1 is rotatably connected to a shaft column via a rotating shaft, and the shaft column is fixedly connected to the opposite side of the knocking block.

[0016] Furthermore, the dust suction mechanism includes a strip plate, the front surface of the strip plate is fixedly connected to the rear surface of the storage box, the upper surface of the strip plate is fixedly connected to the collection box, the rear surface of the collection box is embedded with a plurality of fans, the front surface of the collection box is formed with a plurality of dust suction ports, a filter is engaged with the interior of the collection box, and a cover is fixedly connected to the top of the filter.

[0017] Furthermore, the elastic support mechanism includes a shrinkage box, the bottom of the shrinkage box is fixedly connected to the upper surface of the base plate, the interior of the shrinkage box is slidably connected to a lifting plate, the upper surface of the lifting plate is fixedly connected to a plurality of concave parts 2, the top of the concave part 2 passes through the top of the shrinkage box and is fixedly connected to a cylinder, the outer wall of the cylinder is provided with a connecting frame, the top of the connecting frame is located on the outside of the discharge pipe and is fixedly connected to a ring 2, and the ring 2 is fixedly connected to the discharge pipe.

[0018] Furthermore, a plurality of springs are fixedly connected between the lifting plate and the shrinking box.

[0019] Beneficial Effect: When the motor drives agitator shaft one, the meshing transmission of gears one and two simultaneously drives agitator shaft two to rotate in the opposite direction, causing the agitator blades on agitator shafts one and two to create a "double-layer cross-stirring" of the material in the storage tank. This dual agitation action effectively breaks up sticky material clumps, preventing large lumps from entering the discharge stage. This reduces the possibility of subsequent discharge pipe blockage, ensures initial smooth material delivery, and directly addresses the invention's purpose of "breaking material agglomerates and reducing transmission blockages."

[0020] When agitator shaft 2 rotates, it simultaneously drives the turntable and curved rack, which intermittently meshes with gear 3, driving the shaft and compressing the torsion spring. When the curved rack disengages from gear 3, the torsion spring resets, driving the shaft in the opposite direction. This causes the striking block to pull ring 1 via the traction rod, creating an intermittent striking pattern on the outer wall of the discharge pipe. This design uses mechanical vibration to dislodge sticky material adhering to the inner wall of the discharge pipe, aiding its descent and preventing the discharge port from becoming blocked due to material accumulation.

[0021] The discharge pipe is secured to the connection frame of the elastic support mechanism via a second circular ring. When the discharge pipe is shaken by knocks or material impact, the lifting plate inside the retraction box achieves a "flexible cushioning + reciprocating rocking" motion through the elastic expansion and contraction of the spring. This rocking accelerates the flow of material in the discharge pipe due to inertia, reducing its residence time within the pipe. This, combined with the knocking action, creates a synergistic "vibration + rocking" anti-clogging effect, further reducing the risk of discharge pipe blockage.

[0022] The motor, as the core power source, not only drives agitator shafts one and two to complete the mixing, but also drives the percussion mechanism through the turntable of agitator shaft two, achieving "stirring-percussion" power sharing. Simultaneously, the oscillation of the discharge pipe responds naturally to the springs of the elastic support mechanism, eliminating the need for additional power. This "one-source, multiple-energy" design reduces equipment energy consumption and complexity, lowers maintenance costs, and improves the economic efficiency of the device.

[0023] When the fan is running, the collection box absorbs dust from the storage box and the discharge pipe through the dust suction port, and then collects it through the filter screen, effectively reducing the spread of material dust. This not only improves the working environment for operators, but also prevents wear and tear on equipment components (such as gears and motors) caused by dust accumulation, reduces the risk of equipment failure or safety accidents caused by dust, and extends the safety protection range of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front view structural schematic diagram of the present invention;

[0025] Figure 2 It is a rear view structural schematic diagram of the present invention;

[0026] Figure 3 1 is a schematic side view of the connection structure of the motor, stirring shaft 1, stirring shaft 2, gear 1 and gear 2 of the present invention;

[0027] Figure 4 is a side structural schematic diagram of the striking mechanism of the present invention;

[0028] Figure 5 is a side structural schematic diagram of the elastic support mechanism of the present invention;

[0029] Figure 6 is a schematic side view of a vertical cross section of the dust collection mechanism of the present invention;

[0030] Figure 7 It is a schematic diagram of the connection structure of the storage box and the discharge pipe of the present invention.

[0031] In the figure: 1, bottom plate; 2, support plate; 3, storage mechanism; 4, knocking mechanism; 5, dust collection mechanism; 6, discharge pipe; 7, elastic support mechanism; 8, feeding port; 301, storage box; 302, discharge pipe; 303, L-shaped bracket; 304, motor; 305, stirring shaft 1; 306, gear 1; 307, stirring shaft 2; 308, gear 2; 309, stirring blade; 310, turntable; 311, arc-shaped rack; 401, mounting base; 402, shaft; 4 03. Gear three; 404. Disc; 405. Torsion spring; 406. Knocking block; 407. Ring one; 408. Concave part one; 409. Traction rod; 410. Shaft column; 501. Strip plate; 502. Collection box; 503. Fan; 504. Dust suction port; 505. Filter; 506. Cover; 701. Retraction box; 702. Lifting plate; 703. Concave part two; 704. Cylinder; 705. Connecting frame; 706. Ring two; 707. Spring. DETAILED DESCRIPTION

[0032] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Example

[0034] like Figure 1 、 Figure 2 、 Figure 3 and Figure 7 As shown, a conveying and discharging device with anti-blocking function is provided, which includes a bottom plate 1, a support plate 2 is symmetrically fixedly connected to the left side of the upper surface of the bottom plate 1, and a storage mechanism 3 is provided between the two support plates 2;

[0035] A plurality of discharge pipes 6 are provided below the storage mechanism 3;

[0036] The storage mechanism 3 includes a storage box 301, a plurality of discharge pipes 302 are integrally formed at the bottom of the storage box 301, an L-shaped bracket 303 is fixedly connected to the front surface of the storage box 301, and a motor 304 is fixedly connected to the inner side of the L-shaped bracket 303, the rear end of the output shaft of the motor 304 is located inside the storage box 301 and is fixedly connected to a stirring shaft 1 305, and a gear 1 306 is fixedly connected to the outer side wall of the output shaft of the motor 304, and the interior of the storage box 301 is located below the stirring shaft 1 305 and is rotatably connected to a stirring shaft 2 307 via a rotating shaft, the front end of the stirring shaft 2 307 passes through the support plate 2 located in front of the storage box 301, and is fixedly connected to a gear 2 308, and the gear 1 306 is meshed with the gear 2 308. A feed port 8 is integrally formed above the outer side wall of the discharge pipe 6 and located outside the discharge pipe 302;

[0037] The outer wall of the stirring shaft 1 305 and the outer wall of the stirring shaft 2 307 are both fixedly connected with a plurality of stirring blades 309;

[0038] A turntable 310 is fixedly connected to the outer wall of the second stirring shaft 307 near the second gear 308, and an arc-shaped rack 311 is fixedly connected to the outer wall of the turntable 310;

[0039] When the device is started, the motor 304 fixed to the L-shaped bracket 303 starts to operate, and its output shaft drives the stirring shaft 1 305 to rotate inside the storage box 301. The multiple stirring blades 309 on the outer wall of the stirring shaft 1 305 rotate synchronously, thereby preliminarily stirring the material in the storage box 301 and breaking up the clumps of the material due to viscosity. At the same time, the gear 1 306 on the outer wall of the output shaft of the motor 304 rotates along with the output shaft. Since the gear 1 306 is meshed with the gear 2 308, the gear 2 308 drives the stirring shaft 2 307 to rotate inside the storage box 301 via the rotating shaft. The multiple stirring blades 309 on the outer wall of the stirring shaft 2 307 rotate accordingly, further stirring the material located below the storage box 301. The dual stirring action reduces the agglomeration of the material at the source. The stirred material flows out through the discharge pipe 302 at the bottom of the storage box 301 under the action of gravity, and then enters the discharge pipe 6 through the inlet 8 above the outer wall of the discharge pipe 6, completing the transition of the material from storage to preliminary discharge.

[0040] like Figure 4 As shown, a knocking mechanism 4 is provided on both sides of the storage mechanism 3;

[0041] The striking mechanism 4 includes two mounting bases 401, which are fixedly connected to opposite sides of the support plate 2. A shaft 402 is rotatably connected between the two mounting bases 401 via a rotating shaft. The front end of the shaft 402 is fixedly connected to a third gear 403, which is adapted to the arc-shaped rack 311.

[0042] A disc 404 is fixedly connected to the rear end of the shaft 402 , and a torsion spring 405 is fixedly connected to the side of the disc 404 opposite to the mounting seat 401 and located outside the shaft 402 ;

[0043] A plurality of knocking blocks 406 are fixedly connected to the outer wall of the shaft 402. A plurality of circular rings 407 are sleeved on the upper outer wall of the discharge pipe 6. A concave member 408 is fixedly connected to the upper surface of the circular ring 407. A traction rod 409 is rotatably connected to the inner side of the concave member 408 via a rotating shaft. The end of the traction rod 409 away from the concave member 408 is rotatably connected to a shaft column 410 via a rotating shaft. The shaft column 410 is fixedly connected to the opposite side of the knocking block 406.

[0044] During the rotation of the stirring shaft 2 307, the turntable 310 fixed to its front end rotates synchronously, and the arc-shaped rack 311 on the outer wall of the turntable 310 makes a circular motion with the turntable 310; when the arc-shaped rack 311 rotates to mesh with the gear 3 403, the gear 3 403 drives the shaft 402 to rotate between the two mounting seats 401, and the knocking block 406 on the outer wall of the shaft 402 rotates with the shaft 402. At the same time, the disc 404 at the rear end of the shaft 402 squeezes the torsion spring 405 to cause it to deform and store force ... When gear three 403 is disengaged, the torsion spring 405 releases its elastic force to drive the shaft 402 to rotate rapidly in the opposite direction, and the knocking block 406 quickly returns to its original position along with the shaft 402 and knocks on the outer wall of the discharge pipe 6, thereby assisting the material in the discharge pipe 6 to fall. During this process, when the knocking block 406 rotates, it pulls the traction rod 409 through the shaft column 410, and the traction rod 409 drives the concave part 1 408 and the ring 1 407 to shake slightly, and the ring 1 407 drives the upper part of the discharge pipe 6 to shake synchronously, thereby further accelerating the flow of material in the discharge pipe 6 and avoiding blockage.

[0045] like Figure 6 As shown, a dust collection mechanism 5 is provided behind the storage mechanism 3;

[0046] The dust collection mechanism 5 includes a strip plate 501. The front surface of the strip plate 501 is fixedly connected to the rear surface of the storage box 301. The upper surface of the strip plate 501 is fixedly connected to the collection box 502. The rear surface of the collection box 502 is embedded with multiple fans 503. The front surface of the collection box 502 is formed with multiple dust collection ports 504. The interior of the collection box 502 is engaged with a filter 505. The top of the filter 505 is fixedly connected to a cover plate 506.

[0047] During the material mixing and discharge process, the fan 503 embedded in the rear surface of the collection box 502 is started, and the operation of the fan 503 generates negative pressure, and the dust generated near the storage box 301 and at the initial stage of discharge is sucked into the collection box 502 through the multiple dust suction ports 504 on the front surface of the collection box 502; when the inhaled dust-laden airflow passes through the filter 505 inside the collection box 502, the dust is intercepted and filtered by the filter 505, and the clean air is discharged through the fan 503; when a lot of dust accumulates on the surface of the filter 505, the filter 505 can be removed from the collection box 502 for cleaning or replacement by lifting the cover 506 on the top of the filter 505, thereby achieving effective dust collection, reducing dust pollution and ensuring the cleanliness of the environment around the equipment.

[0048] like Figure 5As shown, the elastic support mechanism 7 includes a shrink box 701, the bottom of the shrink box 701 is fixedly connected to the upper surface of the base plate 1, the interior of the shrink box 701 is slidably connected to a lifting plate 702, the upper surface of the lifting plate 702 is fixedly connected to a plurality of concave parts 703, the top of the concave parts 703 extends to the top of the shrink box 701, and is fixedly connected to a cylinder 704, the outer wall of the cylinder 704 is provided with a connecting frame 705, the top of the connecting frame 705 is located on the outside of the discharge pipe 6 and is fixedly connected to a second ring 706, and the second ring 706 is fixedly connected to the discharge pipe 6;

[0049] A plurality of springs 707 are fixedly connected between the lifting plate 702 and the shrinking box 701;

[0050] When the discharge pipe 6 shakes under the action of the knocking mechanism 4, the circular ring 2 706 on the outer wall of the discharge pipe 6 shakes synchronously with the discharge pipe 6, and the circular ring 2 706 drives the connecting frame 705 to shake, and the connecting frame 705 pushes the concave part 2 703 through the sleeved cylinder 704; the concave part 2 703 drives the lifting plate 702 to slide up and down inside the shrinking box 701. At this time, the multiple springs 707 between the lifting plate 702 and the shrinking box 701 are deformed and expanded with the sliding of the lifting plate 702. The elastic potential energy of the spring 707 is used to buffer the impact force generated by the shaking of the discharge pipe 6, and at the same time assist the lifting plate 702 to reset, so that the shaking of the discharge pipe 6 is more stable and continuous; through the cooperation of the elastic support mechanism 7, the discharge pipe 6 can shake flexibly within a certain range, accelerate the discharge of the material in the pipe, and further avoid the material from sticking and clogging in the discharge pipe 6.

[0051] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A conveying and discharging device for preventing sticking and blocking, comprising a bottom plate (1), characterized in that: A support plate (2) is symmetrically fixedly connected to the left side of the upper surface of the bottom plate (1), and a storage mechanism (3) is provided between the two support plates (2); Both sides of the storage mechanism (3) are provided with knocking mechanisms (4); A dust collection mechanism (5) is provided behind the storage mechanism (3); A plurality of discharge pipes (6) are provided below the storage mechanism (3); An elastic support mechanism (7) is provided between the plurality of discharge pipes (6); The storage mechanism (3) comprises a storage box (301), a plurality of discharge pipes (302) are integrally formed at the bottom of the storage box (301), an L-shaped bracket (303) is fixedly connected to the front surface of the storage box (301), a motor (304) is fixedly connected to the inner side of the L-shaped bracket (303), a rear end of the output shaft of the motor (304) is located inside the storage box (301) and is fixedly connected to a stirring shaft (305), and a gear (306) is fixedly connected to the outer wall of the output shaft of the motor (304). (306), the interior of the storage box (301) is located below the stirring shaft one (305) and is rotatably connected to the stirring shaft two (307) through a rotating shaft, the front end of the stirring shaft two (307) passes through the support plate (2) located in front of the storage box (301), and is fixedly connected to the gear two (308), the gear one (306) is meshed with the gear two (308), and an inlet (8) is integrally formed above the outer wall of the discharge pipe (6) and located on the outside of the discharge pipe (302).

2. The anti-blocking conveying and discharging device according to claim 1, characterized in that: The outer wall of the stirring shaft 1 (305) and the outer wall of the stirring shaft 2 (307) are both fixedly connected with a plurality of stirring blades (309).

3. The anti-blocking conveying and discharging device according to claim 1, characterized in that: A turntable (310) is fixedly connected to the outer wall of the second stirring shaft (307) near the second gear (308), and an arc-shaped rack (311) is fixedly connected to the outer wall of the turntable (310).

4. The anti-blocking conveying and discharging device according to claim 3, characterized in that: The knocking mechanism (4) includes two mounting seats (401), the mounting seats (401) are fixedly connected to opposite sides of the support plate (2), a shaft (402) is rotatably connected between the two mounting seats (401) at the front and rear ends via a rotating shaft, a front end of the shaft (402) is fixedly connected to a gear three (403), and the gear three (403) is adapted to the arc-shaped rack (311).

5. The anti-blocking conveying and discharging device according to claim 4, characterized in that: The rear end of the shaft (402) is fixedly connected to a disc (404), and the side of the disc (404) opposite to the mounting seat (401) and located outside the shaft (402) is fixedly connected to a torsion spring (405).

6. The anti-blocking conveying and discharging device according to claim 4, characterized in that: The outer wall of the shaft (402) is fixedly connected to a plurality of knocking blocks (406), and a plurality of circular rings (407) are sleeved on the outer wall of the discharge pipe (6). The upper surface of the circular ring (407) is fixedly connected to a concave part (408), and the inner side of the concave part (408) is rotatably connected to a traction rod (409) via a rotating shaft. The end of the traction rod (409) away from the concave part (408) is rotatably connected to a shaft column (410) via a rotating shaft, and the shaft column (410) is fixedly connected to the opposite side of the knocking block (406).

7. The anti-blocking conveying and discharging device according to claim 1, characterized in that: The dust collection mechanism (5) comprises a strip plate (501), the front surface of the strip plate (501) is fixedly connected to the rear surface of the storage box (301), the upper surface of the strip plate (501) is fixedly connected to a collection box (502), the rear surface of the collection box (502) is embedded with a plurality of fans (503), the front surface of the collection box (502) is formed with a plurality of dust collection ports (504), a filter screen (505) is engaged with the interior of the collection box (502), and a cover plate (506) is fixedly connected to the top of the filter screen (505).

8. The anti-blocking conveying and discharging device according to claim 1, characterized in that: The elastic support mechanism (7) includes a shrink box (701), the bottom of the shrink box (701) is fixedly connected to the upper surface of the base plate (1), the interior of the shrink box (701) is slidably connected to a lifting plate (702), the upper surface of the lifting plate (702) is fixedly connected to a plurality of concave parts (703), the top of the concave parts (703) passes through the top of the shrink box (701) and is fixedly connected to a cylinder (704), the outer wall of the cylinder (704) is provided with a connecting frame (705), the top of the connecting frame (705) is located on the outside of the discharge pipe (6) and is fixedly connected to a ring (706), and the ring (706) is fixedly connected to the discharge pipe (6).

9. The anti-blocking conveying and discharging device according to claim 8, characterized in that: A plurality of springs (707) are fixedly connected between the lifting plate (702) and the shrinking box (701).

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