A feeding device for a silage alfalfa wrapping machine

By introducing auxiliary and guiding mechanisms into the feeding device of the silage alfalfa baling machine, quantitative and uniform feeding is achieved, solving the problem of uneven material distribution in the existing technology, improving the stability and density consistency of the material, and preventing the bales from becoming loose and clogged.

CN224298364UActive Publication Date: 2026-05-29肃州区畜牧兽医技术服务中心(肃州区动物疫病防治中心) +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
肃州区畜牧兽医技术服务中心(肃州区动物疫病防治中心)
Filing Date
2025-07-29
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The existing feeding devices for silage alfalfa baling machines are unable to achieve quantitative and uniform feeding, resulting in loose bales with irregular shapes, which affects the performance.

Method used

A feeding device was designed, comprising a conveyor frame, a feeding belt, a baffle plate, an auxiliary mechanism, and a guiding mechanism. Through the cooperation of an electric push rod and a spring, quantitative feeding is achieved, and the material is slightly gathered and pre-compressed during the conveying process to ensure material stability.

Benefits of technology

This ensures that each batch of alfalfa enters the baling machine with a consistent weight, avoiding rollback and localized accumulation, improving material density consistency and feed inlet stability, and preventing blockages.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses silage alfalfa wrapping machine is with feeding device relates to silage alfalfa wrapping machine technical field, including conveyer frame, feeding belt, baffle, auxiliary mechanism and guide mechanism, the feeding belt is provided with on conveyer frame top. The utility model discloses silage alfalfa wrapping machine is with feeding device, realizes ration feeding through the setting auxiliary mechanism, ensures the weight consistency of every batch of alfalfa into the wrapping machine, and in the conveying process, the slight gathering and precompression of material are produced, keep material stable, prevent back roll, and preliminary improvement enters the material density consistency of forming chamber, and through the setting guide mechanism makes the material guide plate vibrate, and then avoids the blocking layer formed by the adhesion of material, and intermittent vibration can destroy the static friction of material, thereby makes alfalfa scrap directional slip into the wrapping machine, avoids the blockage of feed inlet caused by local accumulation.
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Description

Technical Field

[0001] This utility model relates to the technical field of silage alfalfa wrapping machines, specifically to a feeding device for silage alfalfa wrapping machines. Background Technology

[0002] A silage baler is an agricultural machine specifically designed to compact chopped alfalfa hay, roll it into tight cylindrical bales, and then wrap it tightly with multi-layer stretch film to achieve anaerobic fermentation. It greatly improves the production efficiency, preservation quality, and transportation convenience of silage. The feeding device is a common accessory in the operation of the silage baler; its function is to uniformly, continuously, and controllably transport the material into the forming chamber. Belt conveyors are a very common component of the feeding device.

[0003] Application No. 202222949899.4 discloses a feeding device for an alfalfa silage baling machine. This patent includes a first lifting box, a first lifting shaft, a processing box, and a second lifting box. Two first lifting shafts are rotatably connected within the first lifting box, and first lifting wheels are fixedly connected to the first lifting shafts. Compared to existing methods, this feeding device for an alfalfa silage baling machine addresses the issues of high labor costs, waste, and slow production speed in existing technologies. This invention avoids large clumps by transporting crushed alfalfa, and shortens the fermentation time by adding a catalyst to accelerate fermentation. The alfalfa is then tumbled by air to filter and collect fine debris and excess catalyst. Finally, the tumbled alfalfa is exported to the baling machine for baling. This design features automatic turning and additive addition, and is simple to operate and highly practical.

[0004] Although the above comparison documents can automatically flip the plates and add additives, the raw materials are continuously fed into the silage alfalfa wrapping machine during the feeding process. This makes it difficult to quantitatively and evenly feed the raw materials into the silage alfalfa wrapping machine, which easily leads to loose bales and irregular shapes, thus affecting the use of the silage alfalfa wrapping machine. Utility Model Content

[0005] The purpose of this invention is to provide a feeding device for a silage alfalfa baling machine to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a feeding device for a silage alfalfa baling machine, comprising a conveyor frame, a feeding belt, baffle plates, an auxiliary mechanism, and a guiding mechanism. A feeding belt is installed above the conveyor frame, and baffle plates are installed on both sides of the middle section of the conveyor frame. The auxiliary mechanism includes electric push rods connected to both sides of the top of the conveyor frame, with the output end of each electric push rod connected to a base. A fixed baffle plate is welded to one side of the bottom of the base, and a movable baffle plate is connected to the other side inside the base. Drive pins are rotatably connected to both sides of the bottom of the movable baffle plate. A fixed plate is connected to the top of the conveyor frame near the drive pins via a support platform, and a movable groove is formed inside the fixed plate, into which the drive pins extend. A beveled portion is formed on one side of the bottom of the movable groove to guide the movement of the drive pins, and the movable groove is triangular in shape.

[0007] Preferably, the movable blocking plate has a limit rod slidably connected to both sides of its top end, and the outer walls of the limit rod are connected to the base. The limit rod can guide the movable blocking plate to perform horizontal linear movement, and the base has a limit cavity corresponding to the movable blocking plate inside.

[0008] By setting up auxiliary mechanisms to achieve quantitative feeding, the weight of each batch of alfalfa entering the wrapping machine is consistent. During the conveying process, the material is slightly gathered and pre-compressed to maintain material stability, prevent rollback, and initially improve the consistency of material density entering the forming chamber.

[0009] Preferably, a fixing rod is slidably connected to the side of the base away from the limiting rod, and a No. 1 spring is sleeved on the middle of the outer wall of the fixing rod.

[0010] The base is guided to move vertically smoothly by setting a fixed rod, and then the base moves downward with the reset of the first spring.

[0011] Preferably, a transmission seat is connected to the bottom end of the base near the fixed rod, and the transmission seat has an "L" shaped structure.

[0012] The auxiliary mechanism and the guiding mechanism can be coordinated by setting a transmission base.

[0013] Preferably, the guiding mechanism includes a support base connected to the top of the conveyor frame, and a fixed column is welded to one side of the bottom end of the support base, and a limit column is slidably connected inside the fixed column.

[0014] The movement of the guide plate is guided by setting fixed columns and limit columns.

[0015] Preferably, a second spring is sleeved in the middle of the outer wall of the limiting post, and a guide plate is welded to the top of the outer wall of the limiting post.

[0016] The material sliding down from the top of the feeding belt is guided into the silage alfalfa wrapping machine by setting a guide plate.

[0017] Preferably, one side of the top of the guide plate is in contact with the top feeding belt of the conveyor frame, and the fixed column, the limiting column and the second spring form an elastic telescopic mechanism.

[0018] As can be seen from the above, the feeding device for the silage alfalfa wrapping machine provided by this utility model has the following beneficial effects.

[0019] 1. By setting up auxiliary mechanisms to achieve quantitative feeding, the weight of each batch of alfalfa entering the wrapping machine is consistent. During the conveying process, the material is slightly gathered and pre-compressed to maintain material stability, prevent rollback, and initially improve the consistency of material density entering the forming chamber.

[0020] 2. By setting a guiding mechanism, the guide plate vibrates, thereby avoiding the blockage layer formed by material adhesion. The intermittent vibration can also break the static friction of the material, so that the alfalfa scraps slide into the wrapping machine in a directional manner, avoiding the inlet congestion caused by local accumulation. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a three-dimensional structural diagram of the top of the conveyor frame of this utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the base of this utility model;

[0024] Figure 4 This is a three-dimensional structural diagram of the auxiliary mechanism of this utility model;

[0025] Figure 5 This is a three-dimensional structural diagram of the fixing plate of this utility model;

[0026] Figure 6 This is a three-dimensional structural diagram of the movable groove of this utility model;

[0027] Figure 7 This is a three-dimensional structural diagram of the guiding mechanism of this utility model.

[0028] In the diagram: 1. Conveyor frame; 2. Feeding belt; 3. Baffle plate; 4. Auxiliary mechanism; 401. Electric push rod; 402. Base; 403. Fixed baffle plate; 404. Movable baffle plate; 405. Fixed rod; 406. Spring No. 1; 407. Limiting rod; 408. Transmission pin; 409. Fixed plate; 410. Movable groove; 411. Inclined section; 412. Transmission seat; 5. Guide mechanism; 501. Support seat; 502. Fixed column; 503. Limiting column; 504. Spring No. 2; 505. Guide plate; 6. Weight sensing area. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-7 This utility model provides a technical solution: a feeding device for a silage alfalfa baling machine, including a conveyor frame 1, a feeding belt 2, baffle plates 3, an auxiliary mechanism 4, and a guiding mechanism 5. The feeding belt 2 is installed above the conveyor frame 1, and a weight sensing area 6 is installed on the top of the feeding belt 2. Baffle plates 3 are installed on both sides of the middle of the conveyor frame 1. The auxiliary mechanism 4 includes electric push rods 401 connected to both sides of the top of the conveyor frame 1. The output end of the electric push rods 401 is connected to a base 402. A fixed baffle plate 403 is welded to one side of the bottom of the base 402, and a movable baffle plate 404 is connected to the other side inside the base 402. Drive pins 408 are rotatably connected to both sides of the bottom of the movable baffle plate 404. A fixed plate 408 is connected to the top of the conveyor frame 1 near the drive pins 408 via a support platform. 9. The fixed plate 409 has a movable groove 410 inside, and the transmission pin 408 extends into the movable groove 410. The bottom end of the movable groove 410 has a beveled part 411, which can guide the movement of the transmission pin 408. The movable groove 410 is triangular. The top two sides of the movable blocking plate 404 are slidably connected to the limiting rods 407. The outer walls of the limiting rods 407 are connected to the base 402. The limiting rods 407 can guide the movable blocking plate 404 to move horizontally. The base 402 has a limiting cavity corresponding to the movable blocking plate 404 inside. The side of the base 402 away from the limiting rods 407 is slidably connected to the fixed rod 405. A spring 406 is sleeved in the middle of the outer wall of the fixed rod 405. The fixed rod 405 can guide the base 402 to move vertically.

[0031] See Figures 1-2 First, the silage raw material is placed on the feeding belt 2 at the bottom of the conveyor frame 1. Then, the servo motor is started to move the feeding belt 2. As the feeding belt 2 moves, the silage raw material is moved from the bottom to the top of the conveyor frame 1. During this process, the silage raw material is restricted by the baffle plate 3 until the silage raw material slides from the top of the conveyor frame 1 into the silage alfalfa wrapping machine, thus completing the feeding work.

[0032] For specific implementation, please refer to Figures 3-6First, start the electric push rod 401. Since the output end of the electric push rod 401 is connected to the base 402, the extension and retraction of the electric push rod 401 will drive the base 402 to move together, so that the base 402 can move up and down along the fixed rod 405. The movement of the base 402 will cause the first spring 406 to deform. Then, the reset of the first spring 406 will assist the base 402 to move down. Then, the base 402 will move down together with the fixed blocking plate 403 and the movable blocking plate 404 until the bottom of the fixed blocking plate 403 and the movable blocking plate 404 are in contact with the feeding belt 2. At this time, the distance between the fixed blocking plate 403 and the movable blocking plate 404 is the amount of raw material fed at one time. The weight sensing area 6 at the top of the feeding belt 2 can detect the weight of the gathered alfalfa, thereby realizing quantitative feeding and ensuring that the weight of each batch of alfalfa can be controlled, ensuring that the weight of the alfalfa packaged by the wrapping machine meets the requirements and does not deviate too much.

[0033] See Figures 5-6 Because the movable blocking plate 404 is connected to the transmission pin 408, the movement of the movable blocking plate 404 will drive the transmission pin 408 to move together. When the movable blocking plate 404 moves down, the transmission pin 408 will move down along the vertical part of the movable groove 410 in the fixed plate 409 until the transmission pin 408 moves down to the bottom of the movable groove 410 and contacts the inclined part 411, causing a horizontal offset. Then, when the movable blocking plate 404 moves up, the transmission pin 408 will move along the inclined part of the movable groove 410 towards the fixed blocking plate 403. At this time, the movable blocking plate 404 is guided by the limit rod 407 until the transmission pin 408 moves along the inclined part of the movable groove 410 to the vertical part. Then, as the base 402 moves up and down, the movable blocking plate 404 moves up and will offset laterally, thereby achieving slight collection and pre-compression of the material to ensure the accuracy of weight detection. During this process, the feeding belt 2 moves intermittently and is not in a continuous conveying state.

[0034] Auxiliary mechanism 4 is set up to achieve quantitative feeding, ensuring that the weight of each batch of alfalfa entering the wrapping machine is consistent, and the material is slightly gathered and pre-compressed during the conveying process to keep the material stable and prevent it from rolling back.

[0035] Specifically, the weight sensing area 6 has a built-in weight sensor, model "86BSD-150PA".

[0036] See Figures 3-5 A transmission seat 412 is connected to the bottom end of the base 402 near the fixed rod 405, and the transmission seat 412 has an "L" shaped structure.

[0037] When the base 402 moves up and down, it will drive the transmission seat 412 to move together. When the base 402 moves down, the bottom of the transmission seat 412 will come into contact with the guide mechanism 5, thereby realizing the cooperation between the auxiliary mechanism 4 and the guide mechanism 5.

[0038] See Figure 3 and Figure 7 The guiding mechanism 5 includes a support base 501 connected to the top of the conveyor frame 1, and a fixed column 502 is welded to one side of the bottom end of the support base 501. A limit column 503 is slidably connected inside the fixed column 502. A second spring 504 is sleeved in the middle of the outer wall of the limit column 503, and a guide plate 505 is welded to the top of the outer wall of the limit column 503. One side of the top of the guide plate 505 is in contact with the top feeding belt 2 of the conveyor frame 1. The fixed column 502, the limit column 503 and the second spring 504 form an elastic telescopic mechanism.

[0039] In practice, the material sliding down from the top of the feeding belt 2 is guided into the silage alfalfa wrapping machine by the guide plate 505. When the bottom of the transmission seat 412 moves down and contacts the guide plate 505, it will impact the guide plate 505, causing the guide plate 505 to move downward. At this time, the limiting post 503 slides along the fixed post 502 at the bottom of the support seat 501, thereby guiding the guide plate 505. The downward movement of the guide plate 505 will squeeze the second spring 504, causing it to deform. Afterward, when the transmission seat 412 moves up and stops squeezing the guide plate 505, the elastic force generated by the reset of the second spring 504 will reset the guide plate 505. The squeezing of the guide plate 505 by the transmission seat 412 can help the material on its surface to be discharged better.

[0040] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. A feeding device for a silage alfalfa baling machine, comprising a conveyor frame (1), a feeding belt (2), baffles (3), an auxiliary mechanism (4), and a guiding mechanism (5), wherein a feeding belt (2) is provided above the conveyor frame (1), a weight sensing area (6) is provided on the top of the feeding belt (2), and baffles (3) are installed on both sides of the middle part of the conveyor frame (1), characterized in that: The auxiliary mechanism (4) includes an electric push rod (401) connected to both sides of the top of the conveyor frame (1), and the output end of the electric push rod (401) is connected to a base (402). A fixed baffle plate (403) is welded to one side of the bottom of the base (402), and a movable baffle plate (404) is connected to the other side of the base (402). A transmission pin (408) is rotatably connected to both sides of the bottom of the movable baffle plate (404). A fixed plate (409) is connected to the top of the conveyor frame (1) near the transmission pin (408) through a support platform. A movable groove (410) is opened inside the fixed plate (409), and the transmission pin (408) extends into the movable groove (410). A beveled part (411) is opened on one side of the bottom of the movable groove (410), which can guide the movement of the transmission pin (408), and the movable groove (410) is triangular.

2. The feeding device for the silage alfalfa baling machine according to claim 1, characterized in that: The movable baffle (404) has a limit rod (407) slidably connected to the two sides of its top end, and the two sides of the outer wall of the limit rod (407) are connected to the base (402). The limit rod (407) can guide the movable baffle (404) to move horizontally in a straight line. The base (402) has a limit cavity inside that corresponds to the movable baffle (404).

3. The feeding device for the silage alfalfa baling machine according to claim 2, characterized in that: A fixing rod (405) is slidably connected to the side of the base (402) away from the limiting rod (407), and a spring (406) is sleeved in the middle of the outer wall of the fixing rod (405), and the fixing rod (405) can guide the base (402) to move vertically.

4. The feeding device for the silage alfalfa baling machine according to claim 3, characterized in that: The base (402) has a transmission seat (412) connected to the side of the bottom end near the fixed rod (405), and the transmission seat (412) has an "L" shaped structure.

5. The feeding device for the silage alfalfa baling machine according to claim 1, characterized in that: The guiding mechanism (5) includes a support base (501) connected to the top of the conveyor frame (1), and a fixed column (502) is welded to one side of the bottom end of the support base (501), and a limit column (503) is slidably connected inside the fixed column (502).

6. The feeding device for the silage alfalfa baling machine according to claim 5, characterized in that: A second spring (504) is sleeved in the middle of the outer wall of the limiting post (503), and a guide plate (505) is welded to the top of the outer wall of the limiting post (503).

7. The feeding device for the silage alfalfa baling machine according to claim 6, characterized in that: The top side of the guide plate (505) is attached to the top feeding belt (2) of the conveyor frame (1), and the fixed column (502), the limiting column (503) and the second spring (504) form an elastic telescopic mechanism.