Green and yellow feed harvester with filtering function

Abstract

The green and yellow feed harvester with the filtering function comprises a main body unit and a filtering unit, the main body unit comprises a machine body and a feeding mechanism arranged on the machine body, a storage box is fixed to the tail of the machine body, the filtering unit comprises a surrounding plate and a filtering net fixed to the bottom of the surrounding plate, and a supporting disc is fixed to the bottom of the filtering net; a plurality of supporting rods are fixed to the outer side of the supporting disc in the radial direction at equal intervals, the ends, away from the supporting disc, of the supporting rods are fixed to the inner wall of the surrounding plate, a rotating rod is fixed to the bottom of the supporting disc, and a barrel is arranged on the outer side of the rotating rod. When the cam does not extrude the arc-shaped pressed plate any more, a connecting shaft and a second rectangular plate are driven to move reversely under resilience force of a second spring at the moment, and then a connecting rod is driven to rotate, so that a first rectangular plate drives a sliding rod, a rotating rod, a surrounding plate and a filter screen to move downwards, and the cam repeatedly extrudes the arc-shaped pressed plate when rotating continuously; therefore, the surrounding plate and the filter screen can be driven to shake up and down in a reciprocating manner to facilitate filtration of green and yellow feed.

Description

Technical Field

[0001] The invention relates to the technical field of harvesters, and in particular to a green and yellow fodder harvester with a filtering function. Background Art

[0002] Green and yellow fodder harvester is a common agricultural machinery and equipment, used for harvesting and processing in agricultural and animal husbandry production, especially for corn, sorghum, and other green fodders. Green and yellow fodder harvesters are divided into single-joint and multi-joint types. Green and yellow fodder harvesters are indispensable agricultural machinery and equipment in modern agricultural production. They can improve production efficiency, reduce manpower and time costs, and thus improve economic benefits. When selecting and using, you need to choose an appropriate fodder harvester according to specific usage needs.

[0003] A storage box is fixed on the existing green and yellow fodder harvester for storing the green and yellow fodder, and a filter is arranged in the storage box for filtering the green and yellow fodder. However, the existing filter is directly installed in the storage box, and only relies on the green and yellow fodder falling onto the filter for filtering, which causes the green and yellow fodder to easily accumulate on the filter, resulting in poor filtering effect. Summary of the invention

[0004] In view of this, the purpose of the present invention is to propose a green and yellow fodder harvester with a filtering function. The technical problem to be solved is that the existing filter net is directly installed in the storage box, and the filtering is only carried out by the green and yellow fodder falling onto the filter net, which causes the green and yellow fodder to easily accumulate on the filter net, resulting in poor filtering effect.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows.

[0006] The present invention provides a green and yellow fodder harvester with a filtering function: The filter unit comprises a main unit and a filter unit, wherein the main unit comprises a body and a feeding mechanism arranged on the body, a storage box is fixed at the rear of the body, the filter unit comprises a panel and a filter screen fixed to the bottom of the panel, a support disk is fixed to the bottom of the filter screen, and a plurality of support rods are fixed to the outer side of the support disk at equal intervals along its radial direction, one end of the support rod away from the support disk is fixed to the inner wall of the panel, a rotating rod is fixed to the bottom of the support disk, a cylinder is arranged on the outer side of the rotating rod, the rotating rod can rotate and move in the cylinder, a curved groove is opened in the cylinder, a convex column is fixed on the outer side of the rotating rod, the convex column is slidably fitted in the curved groove, a driving component for driving the panel and the filter screen to shake up and down is arranged on the storage box, and when the panel and the filter screen shake up and down, the convex column slides in the curved groove and drives the panel and the filter screen to rotate.

[0007] As a preferred embodiment of the green and yellow fodder harvester with filtering function described in the present invention, a protective cover is fixed on the outside of the cylinder, an annular plate is arranged on the outside of the protective cover, a plurality of first reinforcing rods are fixed on the outside of the protective cover at equal intervals along the radial direction, and the end of the first reinforcing rod away from the protective cover is fixed to the inner wall of the annular plate, a plurality of second reinforcing rods are fixed on the outside of the annular plate at equal intervals along the radial direction, and the end of the second reinforcing rods away from the annular plate is fixed to the inner wall of the storage box.

[0008] As a preferred embodiment of the green and yellow fodder harvester with filtering function described in the present invention, a plurality of arc grooves are opened in the annular plate, a plurality of guide rods are fixed at equal intervals along the radial direction at the bottom of the enclosure plate, the guide rods pass through the corresponding arc grooves and slide in the arc grooves, and an anti-slip block is fixed at the bottom of the guide rods.

[0009] As a preferred embodiment of the green and yellow fodder harvester with filtering function described in the present invention, a first rectangular cylinder is fixed at the bottom of the cylinder and connected to the cylinder, a baffle is fixed inside the cylinder, a sliding rod is fixed at the bottom of the rotating rod, the sliding rod passes through the baffle and slides inside the baffle, a first rectangular plate is slidably connected inside the first rectangular cylinder, and the bottom of the sliding rod is fixed to the first rectangular plate.

[0010] As a preferred solution of the green and yellow fodder harvester with filtering function described in the present invention, a first spring is sleeved on the outer side of the slide rod, one end of the first spring abuts against the baffle, and the other end of the first spring abuts against the first rectangular plate.

[0011] As a preferred embodiment of the green and yellow fodder harvester with filtering function described in the present invention, the driving assembly includes a groove opened in the storage box, a cylindrical cylinder is fixed in the storage box, and the cylindrical cylinder and the groove are communicated, a second rectangular cylinder is fixed at one end of the cylindrical cylinder away from the groove, a second rectangular plate is slidably connected in the second rectangular cylinder, a connecting rod is hinged at one end of the second rectangular plate away from the second rectangular cylinder, and the connecting rod is hinged to the first rectangular plate at one end away from the second rectangular plate.

[0012] As a preferred solution of the green and yellow forage harvester with filtering function described in the present invention, a connecting shaft is fixed to the end of the second rectangular plate away from the connecting rod, the connecting shaft passes through the cylindrical tube and slides in the cylindrical tube, a circular pressure plate is fixed to the outside of the connecting shaft, the circular pressure plate slides in the cylindrical tube, a second spring is sleeved on the outside of the connecting shaft, one end of the second spring is against the inner wall of the cylindrical tube, and the other end of the second spring is against the circular pressure plate.

[0013] As a preferred embodiment of the green and yellow fodder harvester with filtering function described in the present invention, an arc-shaped pressure plate is fixed to the end of the connecting shaft away from the second rectangular plate, a side plate is fixed to the outside of the storage box, a motor is installed on the side plate, a rotating shaft is rotatably connected inside the side plate, and the top of the rotating shaft and the output end of the motor are fixed, and a cam capable of squeezing the arc-shaped pressure plate is fixed to the outside of the rotating shaft.

[0014] As a preferred embodiment of the green and yellow fodder harvester with filtering function described in the present invention, the bottom of the storage box is an inclined surface, a discharge chute is provided on one side of the bottom of the storage box, two protrusions are fixed on the outer side of the bottom of the storage box, a cover plate is rotatably connected between the two protrusions, and a positioning plate is fixed to the bottom of the cover plate.

[0015] As a preferred embodiment of the green and yellow fodder harvester with filtering function described in the present invention, an L-shaped plate is fixed at the bottom of the storage box, a travel groove is provided in the L-shaped plate, a positioning rod is slidably connected in the travel groove, a positioning hole is provided in the positioning plate, the positioning rod can be embedded in the positioning hole, a pull rod is fixed at one end of the positioning rod, the pull rod passes through the L-shaped plate and slides in the L-shaped plate, a handle is fixed at one end of the pull rod extending outside the L-shaped plate, a third spring is sleeved on the outside of the pull rod, one end of the third spring is against the inner wall of the travel groove, and the other end of the third spring is against the positioning rod.

[0016] It can be seen from the above technical solutions that the present application has the following beneficial effects: 1: When the filter screen filters the green and yellow feed, the motor is started to drive the rotating shaft to rotate, and the rotating shaft drives the cam to rotate when the cam rotates to squeeze the arc-shaped pressure plate, and the connecting shaft is driven to move, and the connecting shaft is driven to move the second rectangular plate when it moves, and the second rectangular plate is driven to rotate when the second rectangular plate moves, and the connecting rod is driven to rotate when the connecting rod rotates, and the first rectangular plate is driven to move up when the first rectangular plate moves up, and the sliding rod is driven to move up when the sliding rod moves up, and the surrounding plate and the filter screen are driven to move up when the rotating rod moves up, and the circular pressure plate is driven to move in the cylindrical tube when the connecting shaft moves, so that the circular pressure plate compresses the second spring, and when the cam no longer squeezes the arc-shaped pressure plate, the connecting shaft and the second rectangular plate are driven to move in the opposite direction under the rebound force of the second spring, and then the connecting rod is driven to rotate, so that the first rectangular plate drives the sliding rod, the rotating rod, the surrounding plate, and the filter screen to move down, and the cam repeatedly squeezes the arc-shaped pressure plate while rotating continuously, so as to drive the surrounding plate and the filter screen to shake back and forth up and down, which is beneficial to the filtering of the green and yellow feed; 2: When the rotating rod moves up and down, the convex column slides in the curved groove, thereby driving the enclosure and the filter screen to rotate, so that the enclosure and the filter screen can also rotate during the up and down shaking process, further improving the filtering effect; 3: When a large amount of green and yellow fodder is collected in the storage box, the pull rod is pulled to drive the positioning rod to move. When the positioning rod is moved out of the positioning hole, the positioning plate can be rotated so that the cover plate no longer blocks the discharge trough. Moreover, since the bottom of the storage box is an inclined surface, it is convenient for the green and yellow fodder in the storage box to be discharged from the discharge trough. Moreover, this fixing method makes it easy for the cover plate to block the discharge trough. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a green and yellow fodder harvester with filtering function provided by the present invention; Figure 2 A schematic diagram of the structure of the filter unit provided by the present invention; Figure 3 A schematic diagram of a partial structure of a filter unit provided by the present invention; Figure 4 A schematic diagram of the internal structure of the protective cover provided by the present invention; Figure 5 A schematic diagram of the internal structure of the cylinder provided by the present invention; Figure 6 A partial structural cross-sectional view of the filter unit provided by the present invention; Figure 7 The present invention provides Figure 6 The structural diagram at A in the middle; Figure 8 A cross-sectional view of the filter unit provided by the present invention from another perspective; Fig. 9 A schematic structural diagram of the filter unit provided by the present invention from another perspective; Fig.10 The present invention provides Fig. 9 Schematic diagram of the structure at B in the figure.

[0019] Description of the drawings: 100, main unit; 101, machine body; 102, feeding mechanism; 103, storage box; 200, filter unit; 201, enclosure; 202, filter screen; 203, support plate; 204, support rod; 205, rotating rod; 206, cylinder; 207, curved groove; 208, convex column; 209, protective cover; 210, annular plate; 211, first reinforcing rod; 212, second reinforcing rod; 213, arc groove; 214, guide rod; 215, anti-slip block; 216, first spring; 217, first rectangular cylinder; 218, baffle; 219, slide rod; 220, first A rectangular plate; 221, a groove; 222, a cylindrical tube; 223, a second rectangular tube; 224, a second rectangular plate; 225, a connecting rod; 226, a circular pressure plate; 227, a second spring; 228, an arc-shaped pressure plate; 229, a side plate; 230, a motor; 231, a rotating shaft; 232, a cam; 233, an inclined surface; 234, a discharge chute; 235, a bump; 236, a cover plate; 237, a positioning plate; 238, an L-shaped plate; 239, a positioning hole; 240, a travel groove; 241, a positioning rod; 242, a pull rod; 243, a third spring; 244, a handle; 245, a connecting shaft. DETAILED DESCRIPTION

[0020] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and use. It should be understood that in all of these figures, the same or similar reference numerals indicate the same or similar parts and features. The various drawings only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may be exaggerated to illustrate the relevant details or structures of the embodiments of the present disclosure.

[0021] Reference Figure 1-Figure 10 : In one embodiment of the present invention, a green and yellow fodder harvester with a filtering function is provided, comprising a main unit 100 and a filtering unit 200, wherein the main unit 100 comprises a machine body 101 and a feeding mechanism 102 arranged on the machine body 101, a storage box 103 is fixed at the rear of the machine body 101, and the filtering unit 200 comprises a shroud 201 and a filtering net 202 fixed to the bottom of the shroud 201, a supporting plate 203 is fixed to the bottom of the filtering net 202, and a plurality of supporting rods 204 are fixed to the outer side of the supporting plate 203 at equal intervals along its radial direction, and the end of the supporting rod 204 away from the supporting plate 203 and the shroud The inner wall of 201 is fixed, a rotating rod 205 is fixed at the bottom of the support plate 203, a cylinder 206 is arranged on the outside of the rotating rod 205, the rotating rod 205 can rotate and move in the cylinder 206, a curved groove 207 is opened in the cylinder 206, a convex column 208 is fixed on the outside of the rotating rod 205, the convex column 208 slides in the curved groove 207, and a driving component for driving the enclosure 201 and the filter screen 202 to shake up and down is arranged on the storage box 103, and when the enclosure 201 and the filter screen 202 shake up and down, the convex column 208 slides in the curved groove 207 and drives the enclosure 201 and the filter screen 202 to rotate.

[0022] The bottom of the storage box 103 is an inclined surface 233, a discharge slot 234 is provided on one side of the bottom of the storage box 103, two protrusions 235 are fixed to the outer side of the bottom of the storage box 103, a cover plate 236 is rotatably connected between the two protrusions 235, a positioning plate 237 is fixed to the bottom of the cover plate 236, an L-shaped plate 238 is fixed to the bottom of the storage box 103, a travel slot 240 is provided in the L-shaped plate 238, a positioning rod 241 is slidably connected in the travel slot 240, and the positioning plate 237 is fixed to the bottom of the storage box 103. A positioning hole 239 is opened inside, and a positioning rod 241 can be embedded in the positioning hole 239. A pull rod 242 is fixed at one end of the positioning rod 241. The pull rod 242 passes through the L-shaped plate 238 and slides inside the L-shaped plate 238. A handle 244 is fixed to one end of the pull rod 242 extending outside the L-shaped plate 238. A third spring 243 is sleeved on the outside of the pull rod 242. One end of the third spring 243 is against the inner wall of the travel groove 240, and the other end of the third spring 243 is against the positioning rod 241.

[0023] During use, the machine body 101 harvests the green and yellow fodder and transports it to the enclosure 201 through the feeding mechanism 102, so that the green and yellow fodder is filtered on the filter net 202, and the filtered green and yellow fodder falls into the storage box 103. When a large amount of green and yellow fodder is collected in the storage box 103, the pull rod 242 is pulled to drive the positioning rod 241 to move. When the positioning rod 241 is moved out of the positioning hole 239, the positioning plate 237 can be rotated so that the cover plate 236 no longer blocks the discharge trough 234. At this time, the green and yellow fodder in the storage box 103 is discharged from the discharge trough 234. It should be noted that when the third spring 243 is in a normal state, a part of the positioning rod 241 is located in the travel groove 240, and the other part can be embedded in the positioning hole 239.

[0024] In addition, a protective cover 209 is fixed to the outside of the cylinder 206, and an annular plate 210 is arranged on the outside of the protective cover 209. A plurality of first reinforcing rods 211 are fixed to the outside of the protective cover 209 at equal intervals along its radial direction, and one end of the first reinforcing rod 211 away from the protective cover 209 is fixed to the inner wall of the annular plate 210, and a plurality of second reinforcing rods 212 are fixed to the outside of the annular plate 210 at equal intervals along its radial direction, and one end of the second reinforcing rod 212 away from the annular plate 210 is fixed to the inner wall of the storage box 103, and a plurality of arc grooves 213 are opened in the annular plate 210, and a plurality of guide rods 214 are fixed to the bottom of the enclosure 201 at equal intervals along its radial direction, and the guide rods 214 penetrate the corresponding The arc groove 213 slides in the arc groove 213, an anti-slip block 215 is fixed to the bottom of the guide rod 214, a first rectangular tube 217 is fixed to the bottom of the cylinder 206 and is connected to the first rectangular tube 217, a baffle 218 is fixed in the cylinder 206, a slide rod 219 is fixed to the bottom of the rotating rod 205, the slide rod 219 passes through the baffle 218 and slides in the baffle 218, a first rectangular plate 220 is slidably connected in the first rectangular tube 217, the bottom of the slide rod 219 is fixed to the first rectangular plate 220, a first spring 216 is sleeved on the outside of the slide rod 219, one end of the first spring 216 is against the baffle 218, and the other end of the first spring 216 is against the first rectangular plate 220.

[0025] In addition, the driving assembly includes a groove 221 opened in the storage box 103, a cylindrical tube 222 is fixed in the storage box 103, and the cylindrical tube 222 and the groove 221 are connected, a second rectangular tube 223 is fixed to the end of the cylindrical tube 222 away from the groove 221, a second rectangular plate 224 is slidably connected in the second rectangular tube 223, a connecting rod 225 is hinged to the end of the second rectangular plate 224 away from the second rectangular tube 223, and the end of the connecting rod 225 away from the second rectangular plate 224 is hinged to the first rectangular plate 220, and a connecting shaft 245 is fixed to the end of the second rectangular plate 224 away from the connecting rod 225, and the connecting shaft 245 passes through the cylindrical tube 222 and slides in the cylindrical tube 222, and the connecting shaft 245 passes through the cylindrical tube 222 and slides in the cylindrical tube 222. A circular pressure plate 226 is fixed to the outside of the shaft 245, and the circular pressure plate 226 is slidably fitted in the cylindrical tube 222. A second spring 227 is sleeved on the outside of the connecting shaft 245, and one end of the second spring 227 is against the inner wall of the cylindrical tube 222, and the other end of the second spring 227 is against the circular pressure plate 226. An arc-shaped pressure plate 228 is fixed to the end of the connecting shaft 245 away from the second rectangular plate 224. A side plate 229 is fixed to the outside of the storage box 103, and a motor 230 is installed on the side plate 229. A rotating shaft 231 is rotatably connected in the side plate 229, and the top of the rotating shaft 231 is fixed to the output end of the motor 230. A cam 232 capable of squeezing the arc-shaped pressure plate 228 is fixed to the outside of the rotating shaft 231.

[0026] It should be noted that the motor 230 in this embodiment is a conventional device purchased on the market and known to those skilled in the art. The model can be selected or customized according to actual needs. In this patent, we only use it and do not improve its structure and function. For technicians in this field, its setting method, installation method and electrical connection method only need to be debugged according to the requirements of its instruction manual, and will not be described in detail here. The motor 230 is provided with a control switch matching it. The installation position of the control switch is selected according to actual use requirements to facilitate the operator to operate and control.

[0027] When in use, when the filter screen 202 filters the green and yellow feed, the motor 230 is started to drive the rotating shaft 231 to rotate, and the rotating shaft 231 rotates to drive the cam 232 to rotate. When the cam 232 rotates to extrude the arc-shaped pressure plate 228, it drives the connecting shaft 245 to move. When the connecting shaft 245 moves, it drives the second rectangular plate 224 to move. When the second rectangular plate 224 moves, it drives the connecting rod 225 to rotate. When the connecting rod 225 rotates, it drives the first rectangular plate 220 to move upward. When the first rectangular plate 220 moves upward, it drives the sliding rod 219 to move upward. When the sliding rod 219 moves upward, it drives the rotating rod 205 to move upward. When the rotating rod 205 moves upward, it drives the enclosure 201 and the filter screen 202 to move upward. When the connecting shaft 245 moves, it drives the circular pressing plate 226 to move in the cylindrical tube 222, so that the circular pressing plate 226 compresses the second rectangular plate 224. Spring 227, when cam 232 no longer squeezes the arc-shaped pressure plate 228, the second spring 227 drives the connecting shaft 245 and the second rectangular plate 224 to move in the opposite direction under the rebound force of the second spring 227, and then drives the connecting rod 225 to rotate, so that the first rectangular plate 220 drives the sliding rod 219, the rotating rod 205, the enclosure 201, and the filter screen 202 to move downward, and the cam 232 repeatedly squeezes the arc-shaped pressure plate 228 while rotating continuously, thereby driving the enclosure 201 and the filter screen 202 to shake back and forth up and down, which is beneficial to the filtering of green and yellow feed. When the rotating rod 205 moves up and down, the convex column 208 slides in the curved groove 207, thereby driving the enclosure 201 and the filter screen 202 to rotate, so that the enclosure 201 and the filter screen 202 can also rotate during the up and down shaking process, further improving the filtering effect.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A green and yellow fodder harvester with filtering function, characterized in that: include: A main unit (100) comprises a body (101) and a feeding mechanism (102) arranged on the body (101), wherein a storage box (103) is fixed to the rear of the body (101); The filter unit (200) comprises a shroud (201) and a filter screen (202) fixed to the bottom of the shroud (201); a support plate (203) is fixed to the bottom of the filter screen (202); a plurality of support rods (204) are fixed to the outside of the support plate (203) at equal intervals along its radial direction; one end of the support rod (204) away from the support plate (203) is fixed to the inner wall of the shroud (201); a rotating rod (205) is fixed to the bottom of the support plate (203); a cylinder (206) is arranged on the outside of the rotating rod (205); and the rotating rod (205) can The rotating rod (205) is capable of rotating and moving in the cylinder (206); a curved groove (207) is provided in the cylinder (206); a convex column (208) is fixed on the outside of the rotating rod (205); the convex column (208) is slidably engaged in the curved groove (207); a driving component for driving the enclosure (201) and the filter screen (202) to vibrate up and down is provided on the storage box (103); and when the enclosure (201) and the filter screen (202) vibrate up and down, the convex column (208) slides in the curved groove (207) and drives the enclosure (201) and the filter screen (202) to rotate.

2. The green and yellow fodder harvester with filtering function according to claim 1, characterized in that: A protective cover (209) is fixed on the outside of the cylinder (206), an annular plate (210) is arranged on the outside of the protective cover (209), a plurality of first reinforcing rods (211) are fixed on the outside of the protective cover (209) at equal intervals along the radial direction, and one end of the first reinforcing rod (211) away from the protective cover (209) is fixed to the inner wall of the annular plate (210), a plurality of second reinforcing rods (212) are fixed on the outside of the annular plate (210) at equal intervals along the radial direction, and one end of the second reinforcing rod (212) away from the annular plate (210) is fixed to the inner wall of the storage box (103).

3. The green and yellow fodder harvester with filtering function according to claim 2, characterized in that: A plurality of arc-shaped grooves (213) are formed in the annular plate (210), a plurality of guide rods (214) are fixed at equal intervals along the radial direction of the bottom of the enclosure plate (201), the guide rods (214) penetrate the corresponding arc-shaped grooves (213) and slide in the arc-shaped grooves (213), and an anti-slip block (215) is fixed at the bottom of the guide rods (214).

4. The green and yellow fodder harvester with filtering function according to claim 1, characterized in that: The bottom of the cylinder (206) is fixed and connected to a first rectangular cylinder (217), a baffle (218) is fixed inside the cylinder (206), a sliding rod (219) is fixed at the bottom of the rotating rod (205), the sliding rod (219) passes through the baffle (218) and slides inside the baffle (218), a first rectangular plate (220) is slidably connected inside the first rectangular cylinder (217), and the bottom of the sliding rod (219) is fixed to the first rectangular plate (220).

5. The green and yellow fodder harvester with filtering function according to claim 4, characterized in that: A first spring (216) is sleeved on the outer side of the sliding rod (219), one end of the first spring (216) abuts against the baffle (218), and the other end of the first spring (216) abuts against the first rectangular plate (220).

6. The green and yellow fodder harvester with filtering function according to claim 5, characterized in that: The driving assembly comprises a groove (221) formed in a storage box (103); a cylindrical tube (222) is fixed in the storage box (103), and the cylindrical tube (222) and the groove (221) are in communication; a second rectangular tube (223) is fixed to one end of the cylindrical tube (222) away from the groove (221); a second rectangular plate (224) is slidably connected in the second rectangular tube (223); a connecting rod (225) is hingedly connected to one end of the second rectangular plate (224) away from the second rectangular tube (223); and an end of the connecting rod (225) away from the second rectangular plate (224) is hingedly connected to the first rectangular plate (220).

7. The green and yellow fodder harvester with filtering function according to claim 6, characterized in that: A connecting shaft (245) is fixed to one end of the second rectangular plate (224) away from the connecting rod (225), and the connecting shaft (245) passes through the cylindrical tube (222) and slides inside the cylindrical tube (222). A circular pressure plate (226) is fixed to the outside of the connecting shaft (245), and the circular pressure plate (226) is slidably fitted in the cylindrical tube (222). A second spring (227) is sleeved on the outside of the connecting shaft (245), and one end of the second spring (227) is in contact with the inner wall of the cylindrical tube (222), and the other end of the second spring (227) is in contact with the circular pressure plate (226).

8. The green and yellow fodder harvester with filtering function according to claim 7, characterized in that: An arc-shaped pressure plate (228) is fixed to one end of the connecting shaft (245) away from the second rectangular plate (224), a side plate (229) is fixed to the outside of the storage box (103), a motor (230) is mounted on the side plate (229), a rotating shaft (231) is rotatably connected inside the side plate (229), the top of the rotating shaft (231) and the output end of the motor (230) are fixed, and a cam (232) capable of squeezing the arc-shaped pressure plate (228) is fixed to the outside of the rotating shaft (231).

9. The green and yellow fodder harvester with filtering function according to claim 1, characterized in that: The bottom of the storage box (103) is in the form of an inclined surface (233), a discharge trough (234) is provided on one side of the bottom of the storage box (103), two protrusions (235) are fixed to the outer side of the bottom of the storage box (103), a cover plate (236) is rotatably connected between the two protrusions (235), and a positioning plate (237) is fixed to the bottom of the cover plate (236).

10. The green and yellow fodder harvester with filtering function according to claim 9, characterized in that: An L-shaped plate (238) is fixed at the bottom of the storage box (103), a travel groove (240) is provided in the L-shaped plate (238), a positioning rod (241) is slidably connected in the travel groove (240), a positioning hole (239) is provided in the positioning plate (237), the positioning rod (241) can be embedded in the positioning hole (239), a pull rod (242) is fixed at one end of the positioning rod (241), the pull rod (242) passes through the L-shaped plate (238) and slides in the L-shaped plate (238), a handle (244) is fixed at one end of the pull rod (242) extending outside the L-shaped plate (238), a third spring (243) is sleeved on the outside of the pull rod (242), one end of the third spring (243) is against the inner wall of the travel groove (240), and the other end of the third spring (243) is against the positioning rod (241).

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