Alfalfa pulverizer

By combining a tearing structure, a shaking guiding structure, and a demagnetizing structure, the problem of traditional alfalfa crushers being unable to effectively crush alfalfa bales has been solved, achieving effective tearing, crushing, and continuous discharge of alfalfa bales, thus improving flowability and work efficiency.

CN223901988UActive Publication Date: 2026-02-13MENGCAO ECOLOGICAL ENVIRONMENT (GRP) CO LTD
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Patent Information

Application Number
CN202520086914.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-02-13
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Traditional alfalfa crushers cannot effectively crush alfalfa bales. The crushed grass tends to stick to the guide plate, causing blockage at the discharge port and resulting in poor flowability.

Method used

The design incorporates a tearing structure, first and second shaking guide structures, a demagnetizing structure, and a hydraulic telescopic rod. By combining tearing, shaking, and demagnetizing, alfalfa bales are processed to achieve effective crushing and continuous discharge.

Benefits of technology

It achieves effective tearing and crushing of alfalfa bales, reduces the adhesion of hay, improves flowability, avoids blockage at the discharge port, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of alfalfa processing, and particularly relates to an alfalfa pulverizer which comprises a machine box, a tearing structure, a first shaking material guiding structure and a second shaking material guiding structure, the tearing structure, the first shaking material guiding structure and the second shaking material guiding structure are installed in the machine box, a feeding bin used for containing alfalfa bales is arranged in the machine box, and the tearing structure is located on one side of the feeding bin. A tearing structure is arranged in the case, a first shaking guide structure is arranged below the tearing structure, an alfalfa smashing hob set is arranged on one side of the first shaking guide structure, a second shaking guide structure is arranged below the alfalfa smashing hob set, a demagnetizing cavity is formed in the bottom of an inner cavity of the case, and a demagnetizing structure is arranged in the demagnetizing cavity; according to the alfalfa demagnetizing device, through the cooperation of the first rolling wheels and the first springs, shaking is generated, the mobility of alfalfa is accelerated, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to alfalfa processing and handling technical field, especially relate to a alfalfa rubbing crusher. BACKGROUND

[0002] Alfalfa is a kind of plant with higher nutritional value, rich in protein, dietary fiber, vitamin A and other nutrient elements, and alfalfa has a wide range of applications in the field of agriculture, especially in the preparation of livestock feed, in the process of preparing alfalfa feed, the traditional alfalfa rubbing crusher is often only for processing bulk hay or grass powder, cannot directly effectively crush the baled alfalfa, and the crushed alfalfa is also easy to adhere to the guide plate, resulting in poor flowability of alfalfa, and long-term accumulation is easy to block the discharge opening. SUMMARY

[0003] (I) the technical problem solved

[0004] The utility model provides a kind of alfalfa rubbing crusher to solve the problem that traditional alfalfa rubbing crusher cannot baled alfalfa effectively crush, and the crushed alfalfa is also easy to adhere to the guide plate, long-term accumulation is easy to block the discharge opening.

[0005] (II) technical content

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of alfalfa rubbing crusher, including machine case and installation in machine case inside tear structure, first shake guide structure and second shake guide structure, machine case is provided with the feed bin for placing alfalfa bale, tear structure is located in the side of feed bin, first shake guide structure is located below tear structure, alfalfa rubbing cutter group is arranged in the side of first shake guide structure, second shake guide structure is arranged below alfalfa rubbing cutter group, the inner chamber bottom of machine case is provided with demagnetization cavity, demagnetization structure is arranged in demagnetization cavity, the side of machine case is provided with the discharge opening being communicated with demagnetization cavity, demagnetization structure is located below second shake guide structure.

[0008] Further, the side of feed bin away from tear structure is provided with push plate, hydraulic telescopic rod is mounted in the inside of machine case, the telescopic end of hydraulic telescopic rod is penetrated through the side wall of feed bin and is fixedly connected with push plate, hydraulic telescopic rod is signal transmission connection with external control terminal;

[0009] The upper surface of feed bin is rotatably connected with cover plate.

[0010] Further, the feeding bin is provided with a plurality of discharge grooves on the side close to the tearing structure, the tearing structure comprises a butt joint shaft, a scraper and a plurality of tearing heads, the butt joint shaft is rotationally connected with the case, a plurality of embedding grooves are circumferentially formed on the butt joint shaft, the tearing heads correspond to the embedding grooves one by one, and one end of each tearing head is located in the embedding groove.

[0011] The other end of each tearing head is provided with a tearing part, the tearing part penetrates the discharge groove and extends into the feeding bin, the scraper is fixedly connected to the inside of the case, and a scraping groove is formed on the scraper for the tearing part to pass through.

[0012] Further, the first shaking guide structure comprises a first guide plate, two first butt joint plates and a first spring, the first guide plate is inclined, and the high end of the first guide plate is rotationally connected with the case, the two first butt joint plates are fixedly connected to the inner wall of the case in a symmetrical manner, a first sliding rod in a T shape is slidingly connected to each of the two first butt joint plates, the bottom of the first sliding rod penetrates the first butt joint plate and extends outward, and the bottom end is provided with a first spring base, the first spring is sleeved on the first sliding rod, and the upper and lower ends thereof are fixedly connected with the first butt joint plate and the first spring base, respectively.

[0013] The transverse ends of the first sliding rod are rotationally connected with first support plates, and the upper surface of each first support plate slidingly contacts the bottom of one side of the low end of the first guide plate.

[0014] Further, one side of the upper surface of the first guide plate is fixedly connected with a first rubber pad, the first rubber pad is located directly above one of the first support plates, and the first shaking guide structure further comprises a first cam, which is located directly above the first rubber pad and is rotationally connected with the case through a first rotating shaft, one end of the first cam is rotationally connected with a first roller, the first roller intermittently rolling contacts the first rubber pad, the free end of the first rotating shaft penetrates the case and extends outward, and the first rotating shaft is fixedly connected with a first pulley.

[0015] Further, an alfalfa crushing hob set is located on one side of the low end of the first guide plate, the alfalfa crushing hob set comprises two hob shafts rotationally connected with the case, the two hob shafts are respectively provided with a first cutting blade set and a second cutting blade set, the first cutting blade set and the second cutting blade set are distributed in a staggered manner, and the same side of the two hob shafts is fixedly connected with gears, and the two gears are engaged with each other.

[0016] The hob shaft close to the discharge port is drivingly connected with the first pulley through the first conveying belt.

[0017] Further, the second shaking guide structure comprises a second guide plate, two second butt plates and a second spring; the second guide plate is in an inclined shape, and a high-position end of the second guide plate is rotationally connected to the cabinet; and the alfalfa crushing hob group is located above one side of the high-position end of the second guide plate.

[0018] The two second butt plates are fixedly connected to the inner wall of the cabinet in a symmetrical manner, and each of the two second butt plates is slidably connected with a T-shaped second sliding rod, the bottom of the second sliding rod penetrates through the second butt plate and extends outward, and the bottom end is provided with a second spring base; the second spring is sleeved on the second sliding rod, and the upper end and the lower end are fixedly connected with the second butt plate and the second spring base respectively.

[0019] The transverse two ends of the second sliding rod are rotationally connected with a second supporting plate, and the upper surface of the second supporting plate is in sliding contact with the bottom of one side of the low-position end of the second guide plate.

[0020] Further, one side of the upper surface of the second guide plate is fixedly connected with a second rubber pad, the second rubber pad is located directly above one of the second supporting plates, and the second shaking guide structure further comprises a second cam, which is located directly above the second rubber pad and is rotationally connected to the cabinet through a second rotating shaft, one end of the second cam is rotationally connected with a second roller, the second roller is in intermittent rolling contact with the second rubber pad, the free end of the second rotating shaft penetrates through the cabinet and extends outward, and a second pulley is fixedly connected to the second rotating shaft, and the hob shaft close to the second rotating shaft is in transmission connection with the second pulley through a second transmission belt.

[0021] Further, the low-position end of the second guide plate is located above the demagnetization structure, and the demagnetization structure comprises a connecting shaft and a plurality of groups of magnetic plates; a first rotating motor is installed in the cabinet, the rotating shaft of the first rotating motor is fixedly connected to one end of the connecting shaft, the other end of the connecting shaft is rotationally connected to the cabinet, a plurality of butt plug plates corresponding to the magnetic plates are arranged on the connecting shaft, and the magnetic plates are plugged into the butt plug plates.

[0022] The demagnetization structure and the demagnetization cavity are both arranged in an inclined manner, and the low-position end of the demagnetization cavity is in communication with the discharge port.

[0023] Further, a second rotating motor is arranged on one side of the cabinet, the rotating shaft of the second rotating motor is fixedly connected to one end of the butt shaft, and the rotating shaft of the second rotating motor is in transmission connection with the hob shaft close to the discharge port through a third transmission belt.

[0024] (Three) beneficial effects

[0025] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0026] I. In the utility model, the tearing structure can tear alfalfa bale, so that cutting in later period is facilitated, when disassembly is needed, the plug pin is only pulled out, the tearing head is disassembled, maintenance and replacement are carried out, and convenience and quickness are achieved.

[0027] II. In the utility model, when alfalfa is torn, the hydraulic telescopic rod pushes the push plate through the telescopic end to push alfalfa bale to the side close to the tearing structure, so that the tearing structure tears alfalfa bale, and the scraping groove for the tearing part to pass through is arranged on the scraper, so that alfalfa wound on the tearing part is scraped off.

[0028] III. In the utility model, the cooperation of the first roller and the first spring makes the first guide plate vibrate, accelerates the flowability of alfalfa, and improves work efficiency.

[0029] IV. In the utility model, the first rotary motor drives the connecting shaft to rotate through the rotating shaft, the connecting shaft drives the magnetic plate to rotate through the butt joint plug plate, and then alfalfa in the demagnetization cavity is stirred and demagnetized, the demagnetization structure and the demagnetization cavity are both arranged obliquely, the low end of the demagnetization cavity is communicated with the discharge port, and then the magnetic plate can stir alfalfa and convey alfalfa along the direction close to the discharge port at the same time, realizing continuous operation of demagnetization and discharge of alfalfa. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the three-dimensional schematic view of the whole utility model;

[0031] Figure 2 It is the schematic view when the cover plate in the utility model is opened;

[0032] Figure 3 It is the sectional view of the case in the utility model;

[0033] Figure 4 It is Figure 3 It is the local enlarged schematic view of A in the utility model;

[0034] Figure 5 It is the explosion schematic view of the butt joint shaft, the tearing head and the plug pin in the utility model;

[0035] Figure 6 It is the schematic view of the first vibrating guide structure in the utility model;

[0036] Figure 7 It is the schematic view of the first supporting plate, the first rubber pad and the first cam in the utility model;

[0037] Figure 8 It is the alfalfa crushing hob set schematic view in the utility model;

[0038] Figure 9This is a schematic diagram of the second shaking material guiding structure in this utility model;

[0039] Figure 10 This is a schematic diagram of the second support plate, the second rubber pad, and the second cam in this utility model;

[0040] Figure 11 This is an exploded view of the magnetic plate and the docking plate in this utility model.

[0041] In the diagram: 1. Chassis; 2. Feed hopper; 3. Alfalfa crushing roller cutter assembly; 4. Demagnetizing chamber; 5. Discharge port; 6. Push plate; 7. Hydraulic telescopic rod; 8. Discharge chute; 9. Connecting shaft; 10. Tearing head; 11. Inserting slot; 12. Pin; 13. Tearing part; 14. First guide plate; 15. First connecting plate; 16. First spring; 17. First slide rod; 18. First spring base; 19. First support plate; 20. First rubber pad; 21. First cam; 22. First rotating shaft; 23. First roller; 24. First pulley; 25. Roller shaft; 26. First cutter. 27. Second cutting blade assembly; 28. Gear; 29. ​​First conveyor belt; 30. Second guide plate; 31. Second docking plate; 32. Second spring; 33. Second slide rod; 34. Second spring base; 35. Second support plate; 36. Second rubber pad; 37. Second cam; 38. Second rotating shaft; 39. Second roller; 40. Second pulley; 41. Second conveyor belt; 42. Connecting shaft; 43. Magnetic plate; 44. First rotary motor; 45. Docking plate; 46. Second rotary motor; 47. Third transmission belt; 48. Scraper; 49. Cover plate. Detailed Implementation

[0042] 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.

[0043] Example

[0044] like Figures 1-11 As shown, an alfalfa crusher includes a casing 1 and a tearing structure, a first shaking guide structure, and a second shaking guide structure installed inside the casing 1, such as... Figure 2 As shown, the chassis 1 contains a feed hopper 2 for holding alfalfa bales. A tearing structure is located on one side of the feed hopper 2, and a first shaking guide structure is located below the tearing structure. Figure 3As shown, one side of the first shaking guide structure is provided with an alfalfa crushing cutter group 3, and the lower side of the alfalfa crushing cutter group 3 is provided with a second shaking guide structure. The inner cavity bottom of the machine box 1 is provided with a demagnetization cavity 4, and the demagnetization cavity 4 is provided with a demagnetization structure, such as Figure 1 As shown, one side of the machine box 1 is provided with a discharge port 5 connected with the demagnetization cavity 4, and the demagnetization structure is located below the second shaking guide structure.

[0045] Further, as shown in the figure, Figure 3 One side of the feed bin 2 away from the tearing structure is provided with a push plate 6, and the inside of the machine box 1 is provided with a hydraulic telescopic rod 7. The telescopic end of the hydraulic telescopic rod 7 penetrates through the side wall of the feed bin 2 and is fixedly connected with the push plate 6. The hydraulic telescopic rod 7 is in signal transmission connection with the external control terminal. When the alfalfa is torn, the hydraulic telescopic rod 7 pushes the push plate 6 through the telescopic end to push the alfalfa bundle to the side close to the tearing structure, so as to facilitate the tearing structure to tear the alfalfa bundle;

[0046] As shown in the figure, Figure 2 The upper surface of the feed bin 2 is rotatably connected with a cover plate 49 to prevent the alfalfa from flying out.

[0047] Further, as shown in the figure, Figures 1-5 A plurality of discharge grooves 8 are formed on one side of the feed bin 2 close to the tearing structure. The tearing structure includes a butt shaft 9, a scraper 48 and a plurality of tearing heads 10. The butt shaft 9 is rotatably connected with the machine box 1, as shown in the figure, Figure 1 and Figure 5 As shown, one side of the machine box 1 is provided with a second rotary motor 46, and the rotating shaft of the second rotary motor 46 is fixedly connected with one end of the butt shaft 9. In use, the second rotary motor 46 drives the butt shaft 9 to rotate counterclockwise through the rotating shaft.

[0048] In order to facilitate the maintenance and replacement of the tearing head 10 by the staff later, as shown in the figure, Figure 5 A plurality of embedding grooves 11 are formed on the butt shaft 9. The tearing head 10 corresponds to the embedding groove 11 one by one, and one end of the tearing head 10 is located in the embedding groove 11. A plurality of plugs 12 are detachably inserted into the butt shaft 9. The embedding grooves 11 and the tearing heads 10 in the same straight line direction are connected with the same butt shaft 9. The tearing head 10 is fixed in the embedding groove 11 through the plug 12.

[0049] The other end of the tearing head 10 is provided with a tearing part 13, which penetrates through the discharge groove 8 and extends into the feed bin 2, so as to tear the alfalfa bundle in the feed bin 2, as shown in the figure, Figure 3 and Figure 4 The scraper 48 is fixedly connected inside the machine box 1, and the scraper 48 is provided with a scraping groove for the tearing part 13 to pass through, so as to scrape off the alfalfa wound on the tearing part 13.

[0050] Specifically, during installation, the tearing head 10 is first inserted into the embedding groove 11 at the end away from the tearing part 13, then the plug pin 12 is inserted into the butt joint shaft 9, and then the tearing head 10 is fixed in the embedding groove 11 to prevent the tearing head 10 from falling off during tearing of alfalfa bales. When disassembly is needed, the plug pin 12 is only pulled out to dismount the tearing head 10 for maintenance and replacement.

[0051] Further, as shown in Figure 3 , Figure 6 and Figure 7 , the first shaking guide structure includes a first guide plate 14, two first butt joint plates 15 and a first spring 16. The first guide plate 14 is inclined, and the high end of the first guide plate 14 is rotationally connected to the machine box 1. The two first butt joint plates 15 are fixedly connected to the inner wall of the machine box 1 in a symmetrical manner. A T-shaped first sliding rod 17 is slidingly connected to each of the two first butt joint plates 15. The bottom of the first sliding rod 17 penetrates the first butt joint plate 15 and extends outward, and the bottom end is provided with a first spring base 18. The first spring 16 is sleeved on the first sliding rod 17, and the upper and lower ends are fixedly connected to the first butt joint plate 15 and the first spring base 18, respectively.

[0052] The transverse ends of the first sliding rod 17 are rotationally connected to first support plates 19. The upper surface of the first support plate 19 is in sliding contact with the bottom of the low end side of the first guide plate 14. The first support plate 19 can support the bottom of the low end side of the first guide plate 14.

[0053] Further, one side of the upper surface of the first guide plate 14 is fixedly connected to a first rubber pad 20, which is located directly above one of the first support plates 19. The first shaking guide structure further includes a first cam 21, which is located directly above the first rubber pad 20 and is rotationally connected to the machine box 1 through a first rotating shaft 22. One end of the first cam 21 is rotationally connected to a first roller 23. The first roller 23 is in intermittent rolling contact with the first rubber pad 20. The first rubber pad 20 can reduce the friction between the first roller 23 and the first rubber pad 20, and can also avoid direct contact between the first roller 23 and the first guide plate 14, thereby reducing noise during operation. The free end of the first rotating shaft 22 penetrates the machine box 1 and extends outward, and a first pulley 24 is fixedly connected to the first rotating shaft 22.

[0054] As shown in Figure 3 and Figure 8As shown, the alfalfa crushing cutter group 3 includes two cutter shafts 25 rotationally connected with the machine box 1, the rotating shaft of the second rotating motor 46 is in transmission connection with the cutter shaft 25 near one side of the discharge port 5 through the third transmission belt 47, the first cutting blade group 26 and the second cutting blade group 27 are respectively arranged on the two cutter shafts 25, the first cutting blade group 26 and the second cutting blade group 27 are distributed in a staggered manner, the same side of the two cutter shafts 25 is fixedly connected with the gears 28, and the two gears 28 are in meshing connection, when the rotating shaft of the second rotating motor 46 rotates counterclockwise, the cutter shaft 25 in transmission connection through the third transmission belt 47 also rotates counterclockwise synchronously, and another cutter shaft 25 rotates clockwise under the action of the gear 28, so that the first cutting blade group 26 and the second cutting blade group 27 rotate towards each other, thereby crushing and cutting the alfalfa grass, the alfalfa crushing cutter group 3 is located on one side of the low-position end of the first guide plate 14, and Figure 2 and Figure 7 As shown, the cutter shaft 25 near the discharge port 5 is in transmission connection with the first pulley 24 through the first transmission belt 29, the tearing part 13 tears the alfalfa grass in the feeding bin 2, and the alfalfa grass after being torn falls on the first guide plate 14, the cutter shaft 25 rotates to drive the first pulley 24 to rotate through the first transmission belt 29, thereby driving the first rotating shaft 22 and the first cam 21 to rotate, the first cam 21 rotates to contact and extrude the first rubber pad 20 through the first roller 23, at this time, the first guide plate 14 rotates clockwise by a short distance with the high-position end as the rotation center, at the same time, the first guide plate 14 extrudes the first supporting plate 19 and the first sliding rod 17, so that the first supporting plate 19 and the first sliding rod 17 move downward, and at the same time, the first spring 16 is compressed, along with the rotation of the first cam 21, when the first roller 23 stops contacting the first rubber pad 20, the first spring 16 in the compressed state is stretched and reset, thereby driving the first sliding rod 17 and the first supporting plate 19 to move upward, at this time, the first guide plate 14 rotates counterclockwise by a short distance with the high-position end as the rotation center, thereby producing shaking and accelerating the flowability of the alfalfa grass, so that the alfalfa grass on the first guide plate 14 shakes and falls on the alfalfa crushing cutter group 3 for crushing.

[0055] Further, as shown in Figure 3 , Figure 9 and Figure 10 The second shaking guide structure includes a second guide plate 30, two second butt plates 31 and a second spring 32; the second guide plate 30 is inclined, and the high-position end of the second guide plate 30 is rotationally connected with the machine box 1, and the alfalfa crushing cutter group 3 is located above one side of the high-position end of the second guide plate 30;

[0056] Two second butt plates 31 are fixedly connected on the inner wall of the cabinet 1 in a symmetrical manner, and a T-shaped second sliding rod 33 is slidably connected to each of the two second butt plates 31, the bottom of the second sliding rod 33 penetrates through the second butt plate 31 and extends outward, and a second spring base 34 is arranged at the bottom end of the second sliding rod 33, a second spring 32 is sleeved on the second sliding rod 33, and the upper and lower ends of the second spring 32 are fixedly connected with the second butt plate 31 and the second spring base 34 respectively;

[0057] The transverse ends of the second sliding rod 33 are rotatably connected with a second support plate 35, and the upper surface of the second support plate 35 is in sliding contact with the bottom of the low-position end side of the second guide plate 30, and the second support plate 35 can support the bottom of the low-position end side of the second guide plate 30.

[0058] Further, one side of the upper surface of the second guide plate 30 is fixedly connected with a second rubber pad 36, the second rubber pad 36 is located directly above one of the second support plates 35, and the second shaking guide structure further comprises a second cam 37, the second cam 37 is located directly above the second rubber pad 36 and is rotatably connected with the cabinet 1 through a second rotating shaft 38, one end of the second cam 37 is rotatably connected with a second roller 39, the second roller 39 is in intermittent rolling contact with the second rubber pad 36, the second rubber pad 36 can reduce the friction between the second roller 39 and the second rubber pad 36, and can also avoid direct contact between the second roller 39 and the second guide plate 30, thereby reducing noise during work, the free end of the second rotating shaft 38 penetrates through the cabinet 1 and extends outward, and a second pulley 40 is fixedly connected with the second rotating shaft 38, as shown in Figure 2 and Figure 10 The hob shaft 25 close to the second rotating shaft 38 is drivingly connected with the second pulley 40 through a second conveyor belt 41.

[0059] The crushed alfalfa grass falls on the second guide plate 30, and when the hob shaft 25 rotates, the second pulley 40 is driven to rotate through the second conveyor belt 41, and then the second rotating shaft 38 and the second cam 37 are rotated, the second cam 37 is in contact with the second rubber pad 36 through the second roller 39 when rotating and extrudes the second rubber pad 36, at this time, the second guide plate 30 will rotate counterclockwise for a short distance with the high-position end as the center of rotation, and the second guide plate 30 extrudes the second support plate 35 and the second sliding rod 33, so that the second support plate 35 and the second sliding rod 33 move downward, and at the same time, the second spring 32 is compressed, with the rotation of the second cam 37, when the second roller 39 stops contacting the second rubber pad 36, the second spring 32 in the compressed state is stretched and reset, and then the second support plate 35 and the second sliding rod 33 move upward, at this time, the second guide plate 30 will rotate clockwise for a short distance with the high-position end as the center of rotation, thereby producing shaking, accelerating the flowability of the alfalfa grass, and making the alfalfa grass on the second guide plate 30 shaken into the magnetic removal cavity 4 for magnetic removal.

[0060] As Figure 3 and Figure 11 shown, the low end of the second guide plate 30 is located above the demagnetization structure, which includes a connecting shaft 42 and a plurality of groups of magnetic plates 43, a first rotating motor 44 is installed inside the cabinet 1, the rotating shaft of the first rotating motor 44 is fixedly connected with one end of the connecting shaft 42, the other end of the connecting shaft 42 is rotatably connected with the cabinet 1, a plurality of groups of butt plug plates 45 corresponding to the magnetic plates 43 are arranged on the connecting shaft 42, and the magnetic plates 43 are inserted into the butt plug plates 45; the first rotating motor 44 drives the connecting shaft 42 to rotate through the rotating shaft, the connecting shaft 42 drives the magnetic plates 43 to rotate through the butt plug plates 45, and then the alfalfa in the demagnetization cavity 4 is stirred and demagnetized, the demagnetization structure and the demagnetization cavity 4 are both arranged obliquely, and the low end of the demagnetization cavity 4 is in communication with the discharge port 5, so that the magnetic plates 43 can stir the alfalfa and also transport the alfalfa along the direction close to the discharge port 5 at the same time, realizing continuous operation of demagnetization and discharge of the alfalfa.

[0061] In summary, the working process of the utility model is as follows:

[0062] The alfalfa bundle is placed into the feeding bin 2, the hydraulic telescopic rod 7 pushes the push plate 6 through the telescopic end to push the alfalfa bundle to the side close to the tearing structure, the alfalfa bundle in the feeding bin 2 is torn by the tearing part 13, the alfalfa bundle torn by the tearing part 13 falls on the first guide plate 14, the first pulley 24 is rotated by the first transmission belt 29 when the hob shaft 25 rotates, then the first rotating shaft 22 and the first cam 21 are rotated, the first cam 21 contacts the first rubber pad 20 and extrudes the first rubber pad 20 through the first roller 23 when rotating, at this time, the first guide plate 14 will rotate clockwise for a short distance with its high end as the rotation center, at the same time, the first guide plate 14 extrudes the first supporting plate 19 and the first sliding rod 17, so that the first supporting plate 19 and the first sliding rod 17 move downward, at the same time, the first spring 16 is compressed, with the rotation of the first cam 21, when the first roller 23 stops contacting the first rubber pad 20, the first spring 16 in the compressed state is stretched and reset, then the first sliding rod 17 and the first supporting plate 19 move upward, at this time, the first guide plate 14 will rotate counterclockwise for a short distance with its high end as the rotation center, then the first guide plate 14 is shaken, the flowability of the alfalfa is improved, and the alfalfa on the first guide plate 14 is shaken off to the alfalfa crushing hob set 3 for crushing.

[0063] The pulverized alfalfa grass falls on the second guide plate 30, the cutter shaft 25 rotates to drive the second pulley 40 to rotate through the second transmission belt 41, and then the second rotating shaft 38 and the second cam 37 rotate, the second cam 37 rotates to contact and extrude the second rubber pad 36 through the second roller 39, at this time the second guide plate 30 will rotate counterclockwise for a short distance with its high end as the center of rotation, at the same time the second guide plate 30 extrudes the second supporting plate 35 and the second sliding rod 33, so that the second supporting plate 35 and the second sliding rod 33 move downward, at the same time the second spring 32 is compressed, with the rotation of the second cam 37, when the second roller 39 stops contacting the second rubber pad 36, at this time the second spring 32 in the compressed state is stretched and reset, and then the second supporting plate 35 and the second sliding rod 33 move upward, at this time the second guide plate 30 will rotate clockwise for a short distance with its high end as the center of rotation, thereby producing vibration, accelerating the flow of alfalfa grass, and making the alfalfa grass on the second guide plate 30 fall into the demagnetization cavity 4 for demagnetization.

[0064] The first rotating motor 44 drives the connecting shaft 42 to rotate through the rotating shaft, the connecting shaft 42 drives the magnetic plate 43 to rotate through the butt plug plate 45, and then the alfalfa grass in the demagnetization cavity 4 is stirred and demagnetized, the demagnetization structure and the demagnetization cavity 4 are both arranged obliquely, and the low end of the demagnetization cavity 4 is communicated with the discharge port 5, so that the magnetic plate 43 can stir the alfalfa grass and also transport the alfalfa grass in the direction close to the discharge port 5 at the same time, and then the pulverized and demagnetized alfalfa grass is discharged.

[0065] However, the working principle and wiring method of the hydraulic telescopic rod 7, the first rotating motor 44 and the second rotating motor 46 are common, which are well known to those skilled in the art, and belong to conventional means or common knowledge, which will not be described here, and those skilled in the art can select and arrange them as needed or convenient.

[0066] The different embodiments described above can be combined, replaced and used together.

[0067] It should be noted that in this paper, relationship terms such as second and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0068] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An alfalfa crusher, characterized in that: The device includes a chassis (1) and a tearing structure, a first shaking guide structure and a second shaking guide structure installed inside the chassis (1). The chassis (1) is provided with a feed hopper (2) for placing alfalfa bales. The tearing structure is located on one side of the feed hopper (2). The first shaking guide structure is located below the tearing structure. An alfalfa crushing roller cutter group (3) is located on one side of the first shaking guide structure. The second shaking guide structure is located below the alfalfa crushing roller cutter group (3). A demagnetizing chamber (4) is provided at the bottom of the inner cavity of the chassis (1). A demagnetizing structure is provided in the demagnetizing chamber (4). A discharge port (5) connected to the demagnetizing chamber (4) is provided on one side of the chassis (1). The demagnetizing structure is located below the second shaking guide structure.

2. The alfalfa crusher according to claim 1, characterized in that: A push plate (6) is provided on the side of the feed hopper (2) away from the tearing structure. A hydraulic telescopic rod (7) is installed inside the chassis (1). The telescopic end of the hydraulic telescopic rod (7) passes through the side wall of the feed hopper (2) and is fixedly connected to the push plate (6). The hydraulic telescopic rod (7) is connected to the external control terminal for signal transmission. The upper surface of the feed hopper (2) is rotatably connected to a cover plate (49).

3. The alfalfa crusher according to claim 1, characterized in that: The feed hopper (2) has multiple discharge slots (8) on the side near the tearing structure. The tearing structure includes a docking shaft (9), a scraper (48), and multiple tearing heads (10). The docking shaft (9) is rotatably connected to the chassis (1). Multiple mounting slots (11) are circumferentially provided on the docking shaft (9). The tearing heads (10) correspond one-to-one with the mounting slots (11), and one end of the tearing head (10) is located in the mounting slot (11). Multiple pins (12) are detachably inserted into the docking shaft (9). The mounting slots (11) and tearing heads (10) in the same straight direction are connected to the same docking shaft (9). The tearing head (10) is fixed in the mounting slot (11) by the pins (12). The other end of the tearing head (10) is provided with a tearing part (13), which passes through the discharge chute (8) and extends into the feed hopper (2). The scraper (48) is fixedly connected to the inside of the machine box (1), and a scraping groove is provided on the scraper (48) for the tearing part (13) to pass through.

4. The alfalfa crusher according to claim 1, characterized in that: The first shaking guide structure includes a first guide plate (14), two first docking plates (15) and a first spring (16); the first guide plate (14) is inclined and the high end of the first guide plate (14) is rotatably connected to the machine box (1); the two first docking plates (15) are symmetrically fixedly connected to the inner wall of the machine box (1); a T-shaped first slide rod (17) is slidably connected to each of the two first docking plates (15); the bottom of the first slide rod (17) passes through the first docking plate (15) and extends outward, and a first spring base (18) is provided at the bottom end; the first spring (16) is sleeved on the first slide rod (17) and the upper and lower ends are fixedly connected to the first docking plate (15) and the first spring base (18) respectively; The first slide bar (17) is rotatably connected to the first support plate (19) at both ends of the lateral direction. The upper surface of the first support plate (19) slides in contact with the bottom of the lower end of the first guide plate (14).

5. The alfalfa crusher according to claim 4, characterized in that: A first rubber pad (20) is fixedly connected to one side of the upper surface of the first guide plate (14). The first rubber pad (20) is located directly above one of the first support plates (19). The first shaking guide structure also includes a first cam (21). The first cam (21) is located directly above the first rubber pad (20) and is rotatably connected to the housing (1) through a first rotating shaft (22). One end of the first cam (21) is rotatably connected to a first roller (23). The first roller (23) and the first rubber pad (20) are intermittently rolling in contact. The free end of the first rotating shaft (22) passes through the housing (1) and extends outward. A first pulley (24) is fixedly connected to the first rotating shaft (22).

6. The alfalfa crusher according to claim 5, characterized in that: The alfalfa crushing roller cutter group (3) is located on one side of the lower end of the first guide plate (14). The alfalfa crushing roller cutter group (3) includes two roller cutter shafts (25) that are rotatably connected to the machine box (1). The two roller cutter shafts (25) are respectively provided with a first cutting blade group (26) and a second cutting blade group (27). The first cutting blade group (26) and the second cutting blade group (27) are staggered. Gears (28) are fixedly connected to the same side of the two roller cutter shafts (25), and the two gears (28) mesh with each other. The hobbing shaft (25) near the discharge port (5) is connected to the first pulley (24) via the first conveyor belt (29).

7. The alfalfa crusher according to claim 6, characterized in that: The second shaking guide structure includes a second guide plate (30), two second docking plates (31) and a second spring (32); the second guide plate (30) is inclined, and the high end of the second guide plate (30) is rotatably connected to the machine box (1), and the alfalfa crushing roller blade group (3) is located above one side of the high end of the second guide plate (30); Two second docking plates (31) are symmetrically fixedly connected to the inner wall of the chassis (1). Each of the two second docking plates (31) is slidably connected with a T-shaped second slide rod (33). The bottom of the second slide rod (33) passes through the second docking plate (31) and extends outward, and a second spring base (34) is provided at the bottom end. The second spring (32) is sleeved on the second slide rod (33), and its upper and lower ends are fixedly connected to the second docking plate (31) and the second spring base (34) respectively. The second slide bar (33) is rotatably connected to the second support plate (35) at both ends of the second slide bar (33), and the upper surface of the second support plate (35) slides in contact with the bottom of the lower end of the second guide plate (30).

8. The alfalfa crusher according to claim 7, characterized in that: A second rubber pad (36) is fixedly connected to one side of the upper surface of the second guide plate (30). The second rubber pad (36) is located directly above one of the second support plates (35). The second shaking guide structure also includes a second cam (37). The second cam (37) is located directly above the second rubber pad (36) and is rotatably connected to the housing (1) through the second rotating shaft (38). A second roller (39) is rotatably connected to one end of the second cam (37). The second roller (39) and the second rubber pad (36) are in intermittent rolling contact. The free end of the second rotating shaft (38) passes through the housing (1) and extends outward. A second pulley (40) is fixedly connected to the second rotating shaft (38). The hobbing shaft (25) near the second rotating shaft (38) is connected to the second pulley (40) through the second conveyor belt (41).

9. The alfalfa crusher according to claim 8, characterized in that: The lower end of the second guide plate (30) is located above the demagnetizing structure. The demagnetizing structure includes a connecting shaft (42) and multiple sets of magnetic plates (43). A first rotary motor (44) is installed inside the housing (1). The rotating shaft of the first rotary motor (44) is fixedly connected to one end of the connecting shaft (42), and the other end of the connecting shaft (42) is rotatably connected to the housing (1). Multiple sets of docking plates (45) corresponding one-to-one with the magnetic plates (43) are provided on the connecting shaft (42). The magnetic plates (43) are inserted into the docking plates (45). The demagnetizing structure and the demagnetizing cavity (4) are both inclined, and the lower end of the demagnetizing cavity (4) is connected to the discharge port (5).

10. The alfalfa crusher according to claim 6, characterized in that: A second rotary motor (46) is provided on one side of the housing (1). The rotating shaft of the second rotary motor (46) is fixedly connected to one end of the docking shaft (9). The rotating shaft of the second rotary motor (46) is connected to the hobbing shaft (25) near the discharge port (5) via a third transmission belt (47).