Efficient granulator for feed production

By introducing telescopic cylinders, motors and crushing devices into the granulator, the problems of large-volume raw materials are solved and the granulation effect is poor, efficient feed crushing and pelleting are achieved, the cleaning process is simplified, and the granulator is improved. Overall performance.

CN222236613UInactive Publication Date: 2024-12-27JINCHANG SAILIANG FORAGE & FEED CO LTD
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Patent Information

Application Number
CN202420593792.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2024-12-27
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When used, existing granulators are prone to blockage of large volume raw materials and poor granulation effect, which makes the cleaning process cumbersome, which affects the quality of feed granulation.

Method used

A high-efficiency granulator for feed production was designed, using telescopic cylinders, motors, crushing devices and cutting devices. By crushing and shaking the raw materials, the raw materials are mixed evenly after being pelletized, and the movable granulation plate is easy to clean to avoid blockage. .

Benefits of technology

It improves the granulation quality and efficiency, avoids raw material blockage, simplifies the cleaning process, and ensures the continuous and efficient operation of the granulator.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an efficient granulator for feed production, which relates to the technical field of feed granulators and comprises a base, a granulating plate is movably mounted in an inner cavity of a granulating barrel, two material stirring devices are arranged in an inner cavity of a discharging bin, two crushing devices are arranged in an inner cavity of a feeding bin, and a feeding bin is arranged in an inner cavity of the feeding bin. A cutting device is arranged in an inner cavity of the discharging bin. According to the feed crushing device, the two second motors operate, so that raw materials for making feed can be crushed through the plurality of crushing cutters, the two first motors operate, so that the material stirring plate can turn over and stir the crushed feed in one direction, and the telescopic air cylinder is started; a telescopic air cylinder can drive an extrusion plate to extrude crushed feed into strips through a plurality of granulation grooves in the surface of a granulation plate, a forward and reverse motor is started, a cutting knife cuts the extruded long-strip feed into granules, a user can buckle the interiors of buckle grooves formed in the surface of a buckle plate, the granulation plate is taken out upwards, and then the feed is granulated. And therefore, the surface of the taken-out granulating plate is cleaned.
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Description

Technical Field

[0001] The utility model relates to the technical field of feed pelletizers, in particular to a high-efficiency pelletizer for feed production. Background Art

[0002] The pellet mill is mainly composed of feeding, mixing, granulating, transmission and lubrication systems. It is widely used in the pharmaceutical, chemical and food industries. The pellet mill can be divided into feed pellet mill and biomass energy pellet mill.

[0003] However, in the prior art, when the pelletizer is in use, the raw materials for making the feed are often directly put into the pelletizer for pelletizing. Since the raw materials for making the feed are mixed with some raw materials with a larger volume, it is easy to cause the pelletizing tank to be blocked during the pelletizing process, and the raw materials with a larger volume are mixed together for pelletizing, the pelletizing effect is poor, and the pelletizing quality is affected; secondly, after the existing pelletizer has been used for a period of time, the pelletizing tank needs to be cleaned. Since the installation position of the pelletizing plate is fixed, a large number of structures need to be disassembled for cleaning, which is more troublesome.

[0004] Therefore, a high-efficiency pellet mill for feed production is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a high-efficiency pelletizing machine for feed production.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-efficiency pelletizing machine for feed production, comprising: a base, a control terminal is installed on one side of the base surface, legs are installed at the four ends of the bottom of the base, a pelletizing barrel is installed on the surface of the base, a movable door is installed on one side of the pelletizing barrel through a hinge, a handle is installed on the surface of the movable door, a movable groove is opened through one side of the surface of the pelletizing barrel, and slots are opened on both sides of the inner wall of the pelletizing barrel, a pushing assembly is provided in the inner cavity of the pelletizing barrel, a pelletizing plate is movably installed in the inner cavity of the pelletizing barrel, a lower bin is installed through one side of the top of the pelletizing barrel, a feeding bin is installed on the top of the lower bin, the inner cavity of the lower bin is provided with two material prying devices, the inner cavity of the feeding bin is provided with two crushing devices, a discharging bin is connected to one side of the pelletizing barrel, the bottom end of the discharging bin is installed on the surface of the base, and the inner cavity of the discharging bin is provided with a cutting device.

[0007] Preferably, the pushing assembly includes a telescopic cylinder, which is fixedly embedded in one side of the granulation barrel, and an extrusion plate is fixedly installed on one end of the telescopic cylinder, and sliders are installed on both sides of the extrusion plate. The extrusion plate moves inside the granulation barrel, and the two sliders move inside the two slots.

[0008] Preferably, a fixed plate is fixedly installed on one side of the granulation plate, a buckle plate is installed on the surface of the fixed plate, a buckle groove is opened on the surface of the buckle plate, a plurality of granulation grooves are opened on the surface of the granulation plate, and the granulation plate moves inside the movable groove.

[0009] Preferably, the material discharging device includes a motor 1, which is fixedly embedded in one side of the outside of the lower material bin, and a connecting rod is fixedly installed on the output end of the motor 1, one end of the connecting rod is connected to the inner wall of the lower material bin through a bearing, and a plurality of material discharging plates are installed on the surface of the connecting rod.

[0010] Preferably, the crushing device includes a second motor, which is fixedly embedded in one side of the feed bin, and a rotating rod is fixedly installed on the output end of the second motor, one end of the rotating rod is connected to one side of the inner wall of the feed bin through a bearing, and a plurality of crushing knives are installed on the surface of the rotating rod.

[0011] Preferably, the cutting device includes a forward and reverse motor, which is fixedly embedded on one side of the top of the discharge bin, and a threaded rod is fixedly installed on the output end of the forward and reverse motor, one end of the threaded rod is connected to the surface of the base through a bearing, and a U-shaped connecting plate is movably sleeved on the surface of the threaded rod, and a cutting knife is fixedly connected to the inner side of the U-shaped connecting plate, and a sliding rod is movably embedded on the surface of one end of the U-shaped connecting plate, and the top end of the sliding rod is connected to the top of the inner cavity of the discharge bin, and the bottom end of the sliding rod is connected to the surface of the base.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) In the utility model, the telescopic cylinder, the motor 1, the motor 2, the forward and reverse motors are electrically connected to the control terminal. When in use, the two motors 2 and the two motors 1 are started through the control terminal to pour the raw materials for making feed into the inside of the feed bin, the two motors 2 operate and drive the two rotating rods to rotate, and the two rotating rods drive the multiple crushing knives on the surface to rotate inward at the same time, so that the raw materials for making feed can be crushed by the multiple crushing knives, and the crushed feed reaches the inside of the discharge bin, the two motors 1 operate and drive the two connecting rods to rotate in the same direction, so that when one of the connecting rods rotates, the material shifting plate on the surface can flip and shift the crushed feed in one direction, and after flipping, it is flipped and shifted through the other connecting rod before being discharged, so that the crushed feed can be flipped, mixed and discharged, which is beneficial to the mixing of the crushed feed. By setting two crushing devices, the raw materials for making feed put in can be crushed, so that the mixing effect between the crushed small pieces of feed raw materials is better, and it can be avoided that the feed is mixed with a larger volume of raw materials to affect the granulation effect, thereby making the granulation of the crushed small pieces of feed more efficient and improving the granulation quality.

[0014] (2) The utility model starts the telescopic cylinder through the control terminal. One end of the telescopic cylinder can drive the extrusion plate to push the crushed feed to one side, and extrude the feed into strips through multiple granulation grooves on the surface of the granulation plate. The forward and reverse motors are started by the control terminal. The forward and reverse motors can drive the threaded rod to rotate forward or reverse. The U-shaped connecting plate can drive the cutting knife to move up and down, so that the cutting knife cuts the extruded long strips of feed into granules. The granulated feed can fall through the bottom of the discharge bin and be placed in the collection bucket below, thereby The pelletized feed is collected. After use, the user can hold the inside of the buckle groove opened on the surface of the buckle plate and take out the pelletizing plate upwards, so as to clean the surface of the taken out pelletizing plate and clean the inside of multiple pelletizing grooves. After cleaning, the buckle groove is used to put the pelletizing plate back into the inside of the movable groove, so that the bottom end of the pelletizing plate is engaged with the bottom of the inner cavity of the movable groove for fixed engagement. The pelletizing plate can be disassembled and installed by movably installing the pelletizing plate, which is convenient for cleaning after use and avoids blockage of the pelletizing groove, which makes pelletizing inconvenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0016] Figure 1 This is a front perspective structural diagram of a high-efficiency pelletizing machine for feed production proposed by the utility model;

[0017] Figure 2 This is a top-down perspective structural diagram of a high-efficiency pelletizing machine for feed production proposed by the utility model;

[0018] Figure 3 This is a side view of a three-dimensional structure diagram of a high-efficiency pelletizing machine for feed production proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of a side-view split stereoscopic structure of a high-efficiency pelletizing machine for feed production proposed by the utility model;

[0020] Figure 5 This is a partially disassembled three-dimensional structural schematic diagram of a high-efficiency pelletizing machine for feed production proposed by the utility model;

[0021] Figure 6 This is a schematic diagram of the three-dimensional structure of a pelletizing plate of a high-efficiency pelletizing machine for feed production proposed by the utility model;

[0022] Figure 7 This is a schematic diagram of the three-dimensional structure of a material pushing component of a high-efficiency pelletizing machine for feed production proposed by the utility model;

[0023] Figure 8 This is a three-dimensional structural diagram of a material-dispensing device of a high-efficiency pelletizing machine for feed production proposed by the utility model;

[0024] Fig. 9 This is an enlarged view of point A of a high-efficiency pelletizing machine for feed production proposed by the utility model.

[0025] Legend:

[0026] 1. Base; 101. Control terminal; 102. Support leg; 2. Granulating barrel; 201. Movable door; 202. Handle; 203. Movable slot; 204. Card slot; 3. Pushing assembly; 301. Telescopic cylinder; 302. Extrusion plate; 303. Sliding block; 4. Granulating plate; 401. Fixed plate; 402. Buckle plate; 403. Buckle slot; 404. Granulating slot; 5. Unloading bin; 501. Feeding bin; 6. Material shifting device; 601. Motor 1; 602. Connecting rod; 603. Material shifting plate; 7. Crushing device; 701. Motor 2; 702. Rotating rod; 703. Crushing knife; 8. Discharging bin; 9. Cutting device; 901. Forward and reverse motor; 902. Threaded rod; 903. U-shaped connecting plate; 904. Cutting knife; 905. Sliding rod. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0028] Please refer to Figure 1-9 The utility model provides a technical solution: a high-efficiency pellet mill for feed production, comprising: a base 1, a control terminal 101 is installed on one side of the surface of the base 1, legs 102 are installed at the four ends of the bottom of the base 1, a pellet barrel 2 is installed on the surface of the base 1, a movable door 201 is installed on one side of the pellet barrel 2 through a hinge, a handle 202 is installed on the surface of the movable door 201, a movable groove 203 is opened through one side of the surface of the pellet barrel 2, and card slots are opened on both sides of the inner wall of the pellet barrel 2. Slot 204, the inner cavity of the granulating barrel 2 is provided with a pushing assembly 3, the inner cavity of the granulating barrel 2 is movably installed with a granulating plate 4, a lower material bin 5 is installed through one side of the top of the granulating barrel 2, a feeding bin 501 is installed on the top of the lower material bin 5, the inner cavity of the lower material bin 5 is provided with two material shifting devices 6, the inner cavity of the feeding bin 501 is provided with two crushing devices 7, one side of the granulating barrel 2 is connected to a discharge bin 8, the bottom end of the discharge bin 8 is installed on the surface of the base 1, and the inner cavity of the discharge bin 8 is provided with a cutting device 9.

[0029] Specifically: the control terminal 101 is electrically connected to each electrically controlled device, and the four legs 102 are used to support the use of the entire pelletizer. When in use, the feed is placed in the feed bin 501, and the two crushing devices 7 are started to crush the input feed to avoid a large volume of raw materials being mixed in the feed, thereby affecting the pelletizing. The crushed feed reaches the inside of the discharge bin 5, and the two material-pickling devices 6 are started to turn the crushed feed to discharge the feed, so that the crushed feed is mixed and turned to discharge the feed to avoid feed blockage. When the feed reaches the inside of the pelletizing barrel 2, the pushing component 3 can be started through the control terminal 101 to push and extrude the feed, and extrude the feed through the pelletizing plate 4. The cutting device 9 can be started to cut the extruded feed and cut the feed into particles. When the feed is pelletized, it can slide out and be collected through the bottom of the discharge bin 8. The handle 202 can be used to open the movable door 201 to facilitate the processing of the feed debris remaining in the pelletizing barrel 2.

[0030] In this embodiment: the pushing assembly 3 includes a telescopic cylinder 301, which is fixedly embedded in one side of the granulation barrel 2, and an extrusion plate 302 is fixedly installed at one end of the telescopic cylinder 301, and sliders 303 are installed on both sides of the extrusion plate 302. The extrusion plate 302 moves inside the granulation barrel 2, and the two sliders 303 move inside the two slots 204.

[0031] Specifically, the telescopic cylinder 301 is started by the control terminal 101, and one end of the telescopic cylinder 301 can drive the extrusion plate 302 to push the feed to one side, and when the extrusion plate 302 is pushed, the sliders 303 on both sides are movable inside the two slots 204, and the slots 204 can limit the sliders 303, so that the extrusion plate 302 operates according to the moving trajectory, which is convenient for squeezing out the feed.

[0032] In this embodiment: a fixed plate 401 is fixedly installed on one side of the granulation plate 4, a buckle plate 402 is installed on the surface of the fixed plate 401, a buckle groove 403 is opened on the surface of the buckle plate 402, a plurality of granulation grooves 404 are opened on the surface of the granulation plate 4, and the granulation plate 4 moves inside the movable groove 203.

[0033] Specifically, the multiple granulation grooves 404 on the surface of the granulation plate 4 are used to extrude the feed into a granular shape. The buckle grooves 403 on the surface of the buckle plate 402 are convenient for the user to buckle the buckle grooves 403 to take the granulation plate 4 upward when disassembling and installing the granulation plate 4. By movably installing the granulation plate 4 inside the movable groove 203, the granulation plate 4 can be easily disassembled and cleaned.

[0034] In this embodiment: the material shifting device 6 includes a motor 601, which is fixedly embedded on one side of the outside of the lower material bin 5, and a connecting rod 602 is fixedly installed on the output end of the motor 601. One end of the connecting rod 602 is connected to the inner wall of the lower material bin 5 through a bearing, and a plurality of material shifting plates 603 are installed on the surface of the connecting rod 602.

[0035] Specifically, two motors 601 are started by the control terminal 101, and the motor 601 drives the connecting rod 602 to rotate, and the two connecting rods 602 rotate in one direction at the same time. When one of the connecting rods 602 rotates, the material-dispensing plate 603 on the surface flips and shifts the crushed feed in one direction, and after flipping, the other connecting rod 602 flips and shifts the feed for discharge, so that the crushed feed is flipped, mixed and discharged, which can prevent the accumulation of feed from causing blockage.

[0036] In this embodiment: the crushing device 7 includes a second motor 701, which is fixedly embedded in one side of the feed bin 501, and a rotating rod 702 is fixedly installed at the output end of the second motor 701. One end of the rotating rod 702 is connected to one side of the inner wall of the feed bin 501 through a bearing, and a plurality of crushing knives 703 are installed on the surface of the rotating rod 702.

[0037] Specifically, the two motors 701 can be started through the control terminal 101, and the motors 701 drive the rotating rods 702 to rotate. The two rotating rods 702 rotate inward at the same time, so that multiple crushing knives 703 can crush the input feed raw materials to avoid the mixing of large volumes of raw materials in the feed to affect the granulation effect.

[0038] In this embodiment: the cutting device 9 includes a forward and reverse motor 901, which is fixedly embedded on one side of the top of the discharge bin 8, and a threaded rod 902 is fixedly installed on the output end of the forward and reverse motor 901, one end of the threaded rod 902 is connected to the surface of the base 1 through a bearing, and a U-shaped connecting plate 903 is movably sleeved on the surface of the threaded rod 902, and a cutting knife 904 is fixedly connected to the inner side of the U-shaped connecting plate 903, and a sliding rod 905 is movably embedded on the surface of one end of the U-shaped connecting plate 903, and the top end of the sliding rod 905 is connected to the top of the inner cavity of the discharge bin 8, and the bottom end of the sliding rod 905 is connected to the surface of the base 1.

[0039] Specifically, the forward and reverse motor 901 is started by the control terminal 101, and the forward and reverse motor 901 can drive the threaded rod 902 to rotate forward or reverse. When the threaded rod 902 rotates, the U-shaped connecting plate 903 can move up and down, and the U-shaped connecting plate 903 can slide on the surfaces of the threaded rod 902 and the sliding rod 905 at the same time. When the sliding rod 905 moves up and down, the cutting knife 904 cuts the extruded long strips of feed into granules.

[0040] Working principle: the telescopic cylinder 301, the motor 1 601, the motor 2 701, the forward and reverse motors 901 are electrically connected to the control terminal 101. When in use, the two motors 2 701 and the two motors 1 601 are started through the control terminal 101, and the raw materials for making feed are poured into the interior of the feed bin 501. The two motors 2 701 operate and drive the two rotating rods 702 to rotate. The two rotating rods 702 drive the multiple crushing knives 703 on the surface to rotate inward at the same time, so that the raw materials for making feed can be crushed by the multiple crushing knives 703. The crushed feed reaches the interior of the lower bin 5. The two motors 1 601 operate and drive the two connecting rods 702 to rotate. The connecting rods 602 rotate in the same direction, so that the material-shifting plate 603 on the surface of one of the connecting rods 602 can flip and shift the crushed feed in one direction when rotating, and after flipping, it is flipped and shifted through the other connecting rod 602 for feeding, so that the crushed feed can be flipped, mixed and fed, which is beneficial to the mixing of the crushed feed. By setting up two crushing devices 7, the raw materials for making feed put in can be crushed, so that the mixing effect of the crushed small pieces of feed raw materials is better, and it can be avoided that the feed is mixed with a larger volume of raw materials to affect the granulation effect, so that the granulation of the crushed small pieces of feed is more efficient and the granulation effect is improved. The quality and efficiency of the feed are improved; the telescopic cylinder 301 is started by the control terminal 101, and one end of the telescopic cylinder 301 can drive the extrusion plate 302 to push the crushed feed to one side, and extrude the feed into strips through the multiple granulation grooves 404 on the surface of the granulation plate 4; the forward and reverse motor 901 is started by the control terminal 101, and the forward and reverse motor 901 can drive the threaded rod 902 to rotate forward or reversely, and the U-shaped connecting plate 903 can drive the cutting knife 904 to move up and down, so that the cutting knife 904 cuts the extruded long strips of feed into granules, and the granulated feed passes through the bottom of the discharge bin 8 and can fall into the collection bucket below. Thereby, the granulated feed can be collected. After use, the user can hold the inside of the buckle groove 403 opened on the surface of the buckle plate 402, and take out the granulation plate 4 upwards, so as to clean the surface of the taken out granulation plate 4 and clean the inside of multiple granulation grooves 404. After cleaning, the buckle groove 403 is used to put the granulation plate 4 back into the movable groove 203, so that the bottom end of the granulation plate 4 is engaged with the bottom of the inner cavity of the movable groove 203, thereby fixing it. By movably installing the granulation plate 4, the granulation plate 4 can be disassembled and installed, which is convenient for cleaning after use, and avoids the situation where the granulation groove 404 is blocked and causes inconvenience in granulation.

[0041] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A high-efficiency pelletizing machine for feed production, characterized in that: include: A base (1), a control terminal (101) is installed on one side of the surface of the base (1), legs (102) are installed at the four ends of the bottom of the base (1), a granulating barrel (2) is installed on the surface of the base (1), a movable door (201) is installed on one side of the granulating barrel (2) through a hinge, a handle (202) is installed on the surface of the movable door (201), a movable groove (203) is opened through one side of the surface of the granulating barrel (2), both sides of the inner wall of the granulating barrel (2) are opened with a card slot (204), and the inner cavity of the granulating barrel (2) is provided with a push A material assembly (3), wherein a granulating plate (4) is movably installed in the inner cavity of the granulating barrel (2), a lower material bin (5) is installed through one side of the top of the granulating barrel (2), a feed bin (501) is installed on the top of the lower material bin (5), the inner cavity of the lower material bin (5) is provided with two material shifting devices (6), the inner cavity of the feed bin (501) is provided with two crushing devices (7), one side of the granulating barrel (2) is connected to a discharge bin (8), the bottom end of the discharge bin (8) is installed on the surface of the base (1), and the inner cavity of the discharge bin (8) is provided with a cutting device (9).

2. The high-efficiency pelletizing machine for feed production according to claim 1, characterized in that: The pusher assembly (3) comprises a telescopic cylinder (301), the telescopic cylinder (301) is fixedly embedded in one side of the granulating barrel (2), an extrusion plate (302) is fixedly installed at one end of the telescopic cylinder (301), sliders (303) are installed on both sides of the extrusion plate (302), the extrusion plate (302) moves inside the granulating barrel (2), and the two sliders (303) move inside the two slots (204).

3. The high-efficiency pelletizing machine for feed production according to claim 1, characterized in that: A fixed plate (401) is fixedly installed on one side of the granulation plate (4), a buckle plate (402) is installed on the surface of the fixed plate (401), a buckle groove (403) is opened on the surface of the buckle plate (402), a plurality of granulation grooves (404) are opened on the surface of the granulation plate (4), and the granulation plate (4) is movable inside the movable groove (203).

4. The high-efficiency pelletizing machine for feed production according to claim 1, characterized in that: The material-discharging device (6) comprises a motor (601), wherein the motor (601) is fixedly embedded in one side of the outside of the lower material bin (5), and a connecting rod (602) is fixedly installed at the output end of the motor (601), and one end of the connecting rod (602) is connected to the inner wall of the lower material bin (5) through a bearing, and a plurality of material-discharging plates (603) are installed on the surface of the connecting rod (602).

5. The high-efficiency pellet mill for feed production according to claim 1, characterized in that: The pulverizing device (7) comprises a second motor (701), wherein the second motor (701) is fixedly embedded in one side of the feed bin (501), a rotating rod (702) is fixedly mounted on the output end of the second motor (701), one end of the rotating rod (702) is connected to one side of the inner wall of the feed bin (501) via a bearing, and a plurality of pulverizing knives (703) are mounted on the surface of the rotating rod (702).

6. The high-efficiency pellet mill for feed production according to claim 1, characterized in that: The cutting device (9) comprises a forward and reverse motor (901), wherein the forward and reverse motor (901) is fixedly embedded in one side of the top of the discharge bin (8), and a threaded rod (902) is fixedly installed at the output end of the forward and reverse motor (901), and one end of the threaded rod (902) is connected to the surface of the base (1) through a bearing, and a U-shaped connecting plate (903) is movably sleeved on the surface of the threaded rod (902), and a cutting knife (904) is fixedly connected to the inner side of the U-shaped connecting plate (903), and a sliding rod (905) is movably embedded in the surface of one end of the U-shaped connecting plate (903), and the top end of the sliding rod (905) is connected to the top of the inner cavity of the discharge bin (8), and the bottom end of the sliding rod (905) is connected to the surface of the base (1).