CN215198064U - Hay cutter that crushing effect is good - Google Patents

Abstract

The application relates to a hay cutter that crushing effect is good relates to the field of hay cutter, including crushing mechanism, still include the conveyer belt that transports towards the direction that is close to crushing mechanism, the one end top that the conveyer belt is close to crushing mechanism is equipped with first rolling axle. This application has the effect that improves crops crushing efficiency.

Description

Hay cutter that crushing effect is good

Technical Field

The application relates to the field of hay cutters, in particular to a hay cutter with a good crushing effect.

Background

In the agricultural planting production life, a great amount of straws and pasture can be left in farmer's land, and the straws and the pasture are crushed by a hay cutter in the later period of use.

The existing hay cutter generally comprises a feeding mechanism, a crushing mechanism and a discharging mechanism, crops are conveyed to the crushing mechanism through the feeding mechanism, then are crushed through a blade in the crushing mechanism, and the crushed crops are discharged through the discharging mechanism. However, some crops such as straws and the like are difficult to break directly by the blades.

In view of the above-mentioned related art, the inventor believes that some crops are directly crushed by the blades and work less efficiently.

SUMMERY OF THE UTILITY MODEL

In order to improve the crushing efficiency of crops, this application provides a hay cutter that crushing effect is good.

The application provides a hay cutter that crushing effect is good adopts following technical scheme:

the utility model provides a hay cutter that crushing effect is good, includes crushing mechanism, still includes the conveyer belt that transports towards the direction that is close to crushing mechanism, the conveyer belt is close to the one end top of crushing mechanism and is equipped with first grinding axle.

Through adopting above-mentioned technical scheme, treat that broken crops to the direction conveying near crushing mechanism under the drive of conveyer belt, before getting into crushing mechanism, crops through between first crushing axle and the conveyer belt, first crushing axle and conveyer belt both play the effect of tentatively rolling to crops, so be convenient for after crops get into crushing mechanism, comparatively easy quilt is broken, has improved the crushing efficiency of crops.

Preferably, the both sides of conveyer belt are equipped with the frame plate respectively, and the both ends of first grinding axle are rotated respectively and are connected with a slider, all sets up one on every frame plate towards keeping away from the rectangular hole that the conveyer belt direction set up, slider and rectangular hole sliding connection are fixed with the apron between two sliders, and the apron is located the first one side of keeping away from the conveyer belt of grinding the axle, is connected with on the apron to exert to the apron to being close to the subassembly of pressing of supporting of conveyer belt direction effort.

By adopting the technical scheme, when crops pass between the first rolling shaft and the conveyor belt, the first rolling shaft can have a certain floating space towards the direction far away from the conveyor belt, so that different amounts of crops can smoothly pass between the first rolling shaft and the conveyor belt; and support and press the subassembly and exert the effort to the apron for the apron is exerted to the first effort of rolling the axle and being close to the conveyer belt direction, so be convenient for first rolling the axle can be better roll crops.

Preferably, the pressing component comprises a mounting frame which is fixedly arranged between the two frame plates and is located on one side, far away from the conveyor belt, of the cover plate, a pressing rod is fixed on the surface, far away from the first rolling shaft, of the cover plate, and a pressing spring is installed between the pressing rod and the mounting frame.

Through adopting above-mentioned technical scheme, support and press the spring and give and support and press the pole effort, so support that the depression bar can be better support and press the apron, and then under the effort that supports and press the spring, first rolling axle can be better support and press crops and roll crops.

Preferably, an auxiliary shaft is rotatably connected between the two frame plates, the auxiliary shaft is positioned in the inner ring of the conveyor belt, and a second rolling shaft positioned above the auxiliary shaft is further rotatably connected between the two frame plates.

Through adopting above-mentioned technical scheme, the conveyer belt rotates and can drive the auxiliary shaft and rotate, and when crops passed through between second crushing axle and the auxiliary shaft, first crushing axle and auxiliary shaft also can play the effect of preliminary rolling to crops.

Preferably, the both ends of second grinding axle are rotated respectively and are connected with a slider with frame plate sliding connection, and the slider also links firmly with the apron, rotates between two frame plates to be connected with one and supports the pressure axle, and the lateral wall that supports the pressure axle has linked firmly an regulation pole, adjusts the one end that the pole is close to the apron and supports to press the apron and keep away from a surface of conveyer belt, adjusts and installs regulating spring between the one end that the apron was kept away from to the pole and the mounting bracket.

Through adopting above-mentioned technical scheme, when crops passed through between second grinding axle and the auxiliary shaft, the second grinding axle also had certain unsteady space from top to bottom, is convenient for carry out better the grinding to different crops of how much.

Preferably, one side of the first rolling shaft, which is far away from the conveyor belt, is provided with a bearing cover, the upper end of the bearing cover is provided with an opening, a cutting shaft is rotatably connected between two side walls of the bearing cover, a plurality of groups of strip-shaped cutters and a plurality of groups of crushing cutters are mounted on the side walls of the cutting shaft, and a driving mechanism controls the cutting shaft to rotate.

Through adopting above-mentioned technical scheme, crops get into behind feed mechanism and the rolling mechanism and accept the cover in, the drive was recorded control cutting axle and is rotated this moment, and the cutting axle rotates and to drive multiunit bar sword and multiunit crushing sword and rotate to carrying out the breakage to the crops of accepting the cover inside, easy operation is convenient.

Preferably, the below of cutting roller is equipped with the auger axle, and the one end of auger axle is connected with drive auger axle pivoted actuating mechanism, and the lateral wall of auger axle has linked firmly the auger blade, and the one side of accepting the cover is equipped with the fan cover, accepts and has linked firmly the connecting pipe between cover and the fan cover, and the one end of auger axle is passed the connecting pipe and is stretched into in the fan cover, and the one end lateral wall that the auger axle stretched into the fan cover has linked firmly a plurality of fan blades, has linked firmly the discharging pipe on the fan cover.

By adopting the technical scheme, the drive mechanism controls the auger shaft to rotate, the auger shaft rotates to drive the auger blades to rotate, and the crops crushed in the way penetrate through the connecting pipe to enter the inside of the fan cover under the pushing of the auger blades; the auger shaft can drive the fan blades to rotate while rotating, and the fan blades rotate to blow crops in the fan hood out of the fan hood along the discharge pipe, so that the crop blanking is finished, and the crop blanking is convenient to crush.

Preferably, a screen plate is detachably connected between the cutting shaft and the auger shaft.

Through adopting above-mentioned technical scheme, the crops that the breakage was accomplished pass the sieve net board, accomplish the unloading under the promotion of auger blade afterwards, and the crops that do not break the completion are detained on the sieve net board, continue the further breakage through bar sword and broken sword, are convenient for sieve the crops that the breakage was accomplished and then unload.

Preferably, the first rolling shaft and the second rolling shaft are both hexagonally star-shaped columns.

Through adopting above-mentioned technical scheme, the hexagonal star post can be better rolls crops, and then the crushing of the crops of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the crops enter the crushing mechanism, the crops can be crushed easily, and the crushing efficiency of the crops is improved;

2. the first rolling shaft and the second rolling shaft can better support crops and roll the crops;

3. the crushed crops can be conveniently screened and then fed.

Drawings

Fig. 1 is a schematic overall structure diagram of a hay cutter embodied in the embodiment of the present application.

Fig. 2 is a schematic structural diagram of a loading mechanism according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a crushing mechanism according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a pressing component according to an embodiment of the present application.

FIG. 5 is a schematic structural diagram of a cutting assembly according to an embodiment of the present disclosure.

Fig. 6 is a schematic structural diagram of a blanking mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a support frame; 11. a frame plate; 111. a strip hole; 2. a feeding mechanism; 21. a drive shaft; 22. a support plate; 221. a connecting shaft; 222. a support block; 23. a connecting plate; 231. a driven shaft; 24. a conveyor belt; 25. a shield cover; 3. a crushing mechanism; 31. rolling the component; 311. a first crushing shaft; 312. a second crushing shaft; 313. an auxiliary shaft; 314. a slider; 315. a cover plate; 3135. a cover block; 32. a cutting assembly; 321. a receiving cover; 322. cutting the shaft; 323. cutting the knife; 3231. a strip-shaped knife; 3232. a crushing knife; 3233. a receiving frame; 3233-1, carrying rod; 3233-2, a tool holder plate; 3234. a connecting frame; 324. a protective cover; 325. a spring lock catch; 326. a feed inlet; 33. a pressing component; 331. a mounting frame; 332. a pressing rod; 333. pressing the plate; 334. pressing the shaft; 335. pressing the spring; 336. adjusting a rod; 337. adjusting the spring; 4. a blanking mechanism; 41. a packing auger shaft; 42. a screw blade; 43. a fan guard; 431. a discharge pipe; 44. a connecting pipe; 45. a fan blade; 46. a cover body; 5. a drive mechanism; 51. a gearbox; 52. mounting a platform; 53. a gear case; 54. a control shaft; 6. a screen plate; 61. a lap plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a hay cutter that crushing effect is good. Referring to fig. 1, a hay cutter that crushing effect is good is connected with on the support frame 1 and carries out broken breaker 3 to crops including supporting in ground, the one end of breaker 3 is connected with the feed mechanism 2 that transports crops to the direction that is close to breaker 3, still is connected with the unloading mechanism 4 that carries out the unloading conveying to the crops of broken completion on the breaker 3.

During operation, the crop with the crushed crop is conveyed towards the direction close to the crushing mechanism 3 through the feeding mechanism 2, then the crushing mechanism 3 crushes the crop, and the crushed crop finishes discharging along the discharging mechanism 4.

Referring to fig. 1 and 2, two frame plates 11 are fixedly connected to the support frame 1, the feeding mechanism 2 includes a driving shaft 21 rotatably connected between the two frame plates 11, and a support plate 22 is fixedly connected to one side surface of each frame plate 11. The two support plates 22 are parallel to each other, a connecting shaft 221 is rotatably connected between the two support plates 22, and the connecting shaft 221 is located at one end of the support plate 22 far away from the crushing mechanism 3. One end of each supporting plate 22 far away from the crushing mechanism 3 is connected with a connecting plate 23, a driven shaft 231 is rotatably connected between the two connecting plates 23, and the driven shaft 231 is located at one end of each connecting plate 23 far away from the supporting plate 22.

The outer sides of the driving shaft 21, the connecting shaft 221 and the driven shaft 231 are jointly provided with a conveyor belt 24, a shielding cover 25 is arranged above the conveyor belt 24, and each end of the shielding cover 25 is fixedly connected with the upper surface of a corresponding supporting plate 22. The driving shaft 21 is connected with a driving mechanism 5 for driving the driving shaft 21 to rotate.

The crop to be crushed is placed on the conveyor belt 24, the driving mechanism 5 is started to control the driving shaft 21 to rotate, the driving shaft 21 rotates to drive the conveyor belt 24, the connecting shaft 221 and the driven shaft 231 to rotate, and the conveyor belt 24 rotates to convey the crop to the direction close to the crushing mechanism 3.

Referring to fig. 2 and 3, the crushing mechanism 3 includes a rolling component 31 for performing preliminary rolling on the crops, and further includes a cutting component 32 for cutting the crops, wherein the rolling component 31 is located on one side of the cutting component 32 close to the feeding mechanism 2. The rolling assembly 31 comprises a first rolling shaft 311 rotatably connected between the two frame plates 11, the first rolling shaft 311 is positioned above the driving shaft 21, a second rolling shaft 312 is further rotatably connected between the two frame plates 11, and the second rolling shaft 312 is positioned on one side of the first rolling shaft 311 close to the conveyor belt 24.

An auxiliary shaft 313 is rotatably connected between the two frame plates 11, the auxiliary shaft 313 is positioned below the second rolling shaft 312, and the auxiliary shaft 313 is positioned at the inner ring of the conveyor belt 24 and provides a certain supporting force for the conveyor belt 24. The vertical sectional area of the first rolling shaft 311 perpendicular to the axis thereof is a hexagonal star shape, and the vertical sectional area of the second rolling shaft 312 perpendicular to the axis thereof is a hexagonal star shape.

When the driving mechanism 5 drives the driving shaft 21 to rotate, the conveyor belt 24 can be driven to convey crops to the direction close to the rolling component 31, and then the crops sequentially pass through the space between the second rolling shaft 312 and the auxiliary shaft 313 and the space between the first rolling shaft 311 and the driving shaft 21; thereby second grinding shaft 312 and supplementary axle 313 rotate in opposite directions and tentatively roll crops, and first grinding shaft 311 and driving shaft 21 rotate in opposite directions and also can carry out preliminary rolling to crops, and the crops after tentatively rolling are convenient for follow-up process cutting assembly 32 and carry out the breakage. The first hexagonal star-shaped rolling shaft 311 and the second hexagonal star-shaped rolling shaft 312 facilitate smooth rolling of the crops.

In order to facilitate the rolling component 31 to better roll crops with different volumes, both the first rolling shaft 311 and the second rolling shaft 312 have a certain floating space, and both the first rolling shaft 311 and the second rolling shaft 312 are connected with a pressing component 33 which presses towards the direction close to the conveyor belt 24.

Referring to fig. 2 and 4, a slider 314 is rotatably connected to each end of the first rolling shaft 311, and a slider 314 is rotatably connected to each end of the second rolling shaft 312. Each frame plate 11 is provided with a long hole 111 arranged in the vertical direction, and each sliding block 314 is slidably connected with a corresponding long hole 111. A cover plate 315 covering the outer sides of the first rolling shaft 311 and the second rolling shaft 312 is arranged above the first rolling shaft 311, two cover blocks 3151 are fixedly connected to one end, close to each frame plate 11, of the cover plate 315, and each cover block 3151 is fixedly connected with a corresponding sliding block 314.

The abutting assembly 33 comprises a mounting frame 331 fixed between the two frame plates 11, the upper surface of the cover plate 315 is fixedly connected with two abutting rods 332, the two abutting rods 332 are vertically and upwardly arranged, a abutting plate 333 is fixedly connected between the two abutting rods 332, and two abutting springs 335 are installed between the abutting plate 333 and the mounting frame 331.

When the first rolling shaft 311 and the second rolling shaft 312 float up and down, the slider 314 slides up and down in the elongated hole 111, the slider 314 moves to drive the cover block 3151 and the cover plate 315 to move, and the cover plate 315 moves to drive the pressing rod 332 and the pressing plate 333 to float up and down. In the process, the pressing spring 335 provides acting force for the up-and-down floating of the first rolling shaft 311 and the second rolling shaft 312, so that both the first rolling shaft 311 and the second rolling shaft 312 can roll crops well.

The pressing component 33 further comprises a pressing shaft 334 rotatably connected between the two frame plates 11, an adjusting rod 336 is arranged between the pressing shaft 334 and the mounting frame 331, and the middle of the adjusting rod 336 is fixedly connected with the side wall of the pressing shaft 334. An adjusting spring 337 is installed between one end of the adjusting lever 336 far away from the cover plate 315 and the mounting frame 331, and one end of the adjusting lever 336 close to the cover plate 315 abuts against the upper surface of the cover plate 315. The abutting-against component 33 gives the acting force of the cover plate 315 moving towards the direction close to the conveyor belt 24 under the acting force of the adjusting spring 337, and then gives the acting force of the first rolling shaft 311 and the second rolling shaft 312 moving towards the direction close to the conveyor belt 24, so that the first rolling shaft 311 and the second rolling shaft 312 can roll crops better.

Referring to fig. 2 and 3, the drive mechanism 5 includes a dual output shaft gearbox 51 connected to a motor, the gearbox 51 being located below the rolling assembly 31, and the gearbox 51 being mounted on the support frame 1. The gearbox 51 in this embodiment is a manual gearbox 51. One side of the rolling component 31 is provided with a mounting platform 52 mounted on the support frame 1, the upper surface of the mounting platform 52 is provided with a gear box 53, and four driving shafts extend out of one side wall of the gear box 53 close to the rolling component 31.

An output shaft of the gear box 51 is connected with a driving shaft of the gear box 53 through a chain wheel, and the other three output shafts of the gear box 53 are respectively connected with a control shaft 54 through universal joints. One end of the control shaft 54, which is far away from the gear box 53, is fixedly connected with one end of the driving shaft 21, which is close to the gear box 53, through a universal joint, one end of the control shaft 54, which is far away from the gear box 53, is fixedly connected with one end of the first rolling shaft 311, which is close to the gear box 53, through a universal joint, and one end of the control shaft 54, which is far away from the gear box 53, is fixedly connected with one end of the second rolling shaft 312, which is close to the gear box 53, through a universal joint.

When the automatic transmission works, the output shaft of the gearbox 51 drives one of the driving shafts of the gearbox 53 to rotate through the chain wheel and the chain, so that each driving shaft of the gearbox 53 is controlled to rotate, and each driving shaft of the gearbox 53 rotates to drive the control shaft 54 to rotate; at this time, the driving shaft 21 is rotated by one of the control shafts 54 to control the transmission of the conveyor belt 24, and the first rolling shaft 311 and the second rolling shaft 312 are also rotated by the corresponding control shaft 54 to roll the crops. The universal joints connected to both ends of the control shaft 54 allow the first and second rolling shafts 311 and 312 to smoothly float up and down while rotating.

Referring to fig. 2 and 5, the cutting assembly 32 includes a receiving cover 321 fixed on the support frame 1, an upper surface of the receiving cover 321 is open, a cutting shaft 322 is rotatably connected between two sidewalls of the receiving cover 321, and a cutting knife 323 is mounted on a sidewall of the cutting shaft 322. One end of the bearing cover 321, which is far away from the rolling component 31, is hinged with a protective cover 324 which shields the opening of the bearing cover 321, one end of the protective cover 324, which is close to the rolling component 31, is connected with two spring latches 325, and the protective cover 324 is locked with the corresponding frame plate 11 through each spring latch 325.

A feed inlet 326 is formed at one end of the protective cover 324 close to the conveyor belt 24, one end of the cutting shaft 322 close to the driving mechanism 5 is connected with an output shaft of the gearbox 51 close to the driving mechanism 5 (refer to fig. 3) through a belt and a belt pulley, and one end of the cutting shaft 322 far from the driving mechanism 5 is connected with an output shaft of the gearbox 51 far from the driving mechanism 5 through a belt and a belt pulley.

After the crops moving on the conveyor belt 24 are primarily rolled by the rolling component 31, the crops enter the receiving cover 321 from the feeding port 326. The output shaft of the gearbox 51 is controlled to rotate, the cutting shaft 322 can be driven to rotate through a belt and a belt pulley, and the cutting shaft 322 can be driven to rotate to drive the cutting knife 323 to crush crops.

The cutting knife assembly 323 includes three sets of bar knives 3231 evenly distributed about the cutting axis 322 and three sets of crushing knives 3232 evenly distributed about the cutting axis 322. In each group of strip knives 3231, the number of strip knives 3231 is two. Two strip-shaped knives 3231 in each group of strip-shaped knives 3231 are connected with the same bearing frame 3233, the bearing frame 3233 comprises three bearing rods 3233-1 fixedly connected with the side wall of the cutting shaft 322, and the three bearing rods 3233-1 are arranged along the length direction of the cutting shaft 322.

A knife rest plate 3233-2 is fixedly connected between every two adjacent bearing rods 3233-1, and each strip-shaped knife 3231 is fixedly connected to a surface of the corresponding bearing rod 3233-1 far away from the cutting shaft 322 through a bolt. To facilitate cutting, the edges of the strip knives 3231 are arranged to protrude from one side of the knife holder plate 3233-2. The cutting edges of the two strip knives 3231 of each set of strip knives 3231 are arranged obliquely with respect to the axis of the cutting shaft 322. Therefore, when each group of strip-shaped cutters 3231 cuts crops, the crops can be broken smoothly.

In each group of crushing knives 3232, the number of the crushing knives 3232 is ten, and one end of each two crushing knives 3232 close to the cutting shaft 322 is connected with the same connecting frame 3234. The connecting frame 3234 is fixedly connected with the side wall of the cutting shaft 322, the crushing knives 3232 are fixedly connected with the connecting frame 3234 through bolts, and ten crushing knives 3232 in each group of the crushing knives 3232 are arranged in a staggered mode along the axial direction of the cutting shaft 322.

When the cutting shaft 322 rotates, the cutting shaft 322 rotates to drive the bearing frame 3233 and the connecting frame 3234 to rotate, the bearing frame 3233 rotates to drive the strip-shaped knife 3231 to rotate, and the connecting frame 3234 rotates to drive the crushing knife 3232 to rotate; in the process, both the bar knife 3231 and the crushing knife 3232 crush the crop entering the receiving hood 321.

Referring to fig. 5 and 6, the blanking mechanism 4 includes an auger shaft 41 rotatably connected to an inner sidewall of the receiving cover 321, and an auger blade 42 is fixedly connected to an outer sidewall of the auger shaft 41. One end of the packing auger shaft 41 far away from the driving mechanism 5 penetrates through the side wall of the bearing cover 321, and one end of the packing auger shaft 41 far away from the driving mechanism 5 is connected with one end of the cutting shaft 322 far away from the driving mechanism 5 through a belt and a belt pulley. The side of the blanking mechanism 4 far away from the driving mechanism 5 is provided with a cover body 46, and the cover body 46 covers a belt pulley connected on the auger shaft 41, a belt pulley at one end of the cutting shaft 322 far away from the driving mechanism 5 and a belt pulley at one end of the output shaft of the gearbox 51 far away from the driving mechanism 5.

One side of the bearing cover 321 close to the driving mechanism 5 is provided with a fan cover 43 arranged on the support frame 1, a connecting pipe 44 is fixedly connected between the fan cover 43 and the bearing cover 321, and one end of the auger shaft 41 close to the fan cover 43 penetrates through the connecting pipe 44 and finally extends into the fan cover 43. The side wall of the auger shaft 41 extending into one end of the fan cover 43 is fixedly connected with a plurality of fan blades 45, and the fan blades 45 are uniformly distributed around the axis of the auger shaft 41. A discharge pipe 431 is fixedly connected to the upper surface of the fan cover 43.

After the crops are crushed in the receiving cover 321, the output shaft of the gearbox 51 drives the cutting shaft 322 to rotate, and the cutting shaft 322 drives the auger shaft 41 to rotate through a belt and a belt pulley. The auger shaft 41 rotates to drive the auger blade 42 to rotate, so that the crushed crops are discharged and conveyed. The crushed crops enter the fan cover 43 along the connecting pipe 44 under the pushing of the auger blade 42, the auger shaft 41 rotates and simultaneously drives the fan blade 45 to rotate, the fan blade 45 rotates, so that the crushed crops in the fan cover 43 are blown out of the fan cover 43 along the discharge pipe 431, and the discharging of the crushed crops is completed.

A screen plate 6 is arranged between the cutting shaft 322 and the auger shaft 41, and crops crushed by the cutting assembly 32 fall at the position of the bearing cover 321 close to the auger shaft 41 after being screened by the screen plate 6. This facilitates the discharge of the crushed crop, while the uncrushed crop remains on the side of the screen panel 6 adjacent to the cutting shaft 322 to continue to be crushed by the cutting assembly 32.

Referring to fig. 2 and 6, the screen plate 6 is detachably coupled to the receiving cover 321, thus facilitating cleaning of the screen plate 6. The screen plate 6 is a convex arc shape towards the direction far away from the cutting shaft 322, a plurality of lapping plates 61 are fixedly connected to one surface of the screen plate 6 close to the auger shaft 41, the lapping plates 61 are arc-shaped, and the plurality of lapping plates 61 are arranged along the length direction of the auger shaft 41. The overlapping plate 61 overlaps the inner chamber wall of the receiving cap 321.

When the screen plate 6 needs to be cleaned, the spring catch 325 is controlled to unlock the protective cover 324 from the frame plate 11, and then the protective cover 324 is rotated in a direction away from the cutting assembly 32, and the upper end opening of the receiving cover 321 is exposed to the outside; and then the screen plate 6 is rotated around the axis of the cutting shaft 322, so that the screen plate 6 is gradually separated from the bearing cover 321 between the side wall of the bearing cover 321 and the cutting shaft 322, thus completing the disassembly of the screen plate 6 and facilitating the cleaning of the screen plate 6.

The implementation principle of the hay cutter that crushing effect is good of the embodiment of this application is: in operation, the double output shafts of the gearbox 51 are controlled to rotate, so that the gearbox 51 drives the driving shaft 21 to rotate through the gearbox 53, and the driving shaft 21 rotates to control the conveyor belt 24 to convey crops in a direction close to the rolling component 31.

In this process, relative rotation takes place between first rolling axle 311 and the driving shaft 21, and relative rotation takes place between second rolling axle 312 and the auxiliary roller, and crops pass in proper order between second rolling axle 312 and the auxiliary shaft 313, between first rolling axle 311 and the driving shaft 21, so preliminary rolling subassembly 31 carries out preliminary rolling to crops.

Crops after preliminary rolling pass through feed inlet 326 and get into inside accepting cover 321, and cutting shaft 322 takes place to rotate under the drive of gearbox 51 output shaft, and cutting shaft 322 rotates and can drive bar sword 3231 breakable sword 3232 and rotate to carry out the breakage to crops.

The crushed crops pass through the screening net and fall to the position, close to the auger shaft 41, of the bearing cover 321, the auger shaft 41 is driven to rotate by the output shaft of the gearbox 51, the auger shaft 41 rotates to drive the auger blades 42 to rotate, and the crushed crops in the bearing cover 321 are pushed to enter the fan cover 43 along the connecting pipe 44. When the auger shaft 41 rotates, the auger shaft 41 drives the fan blade 45 to rotate, and the auger blade 42 rotates to blow the crops in the fan cover 43 out of the fan cover 43 along the discharge pipe 431, so that the crushed crops are discharged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a hay cutter that crushing effect is good, includes crushing mechanism (3), its characterized in that: still include conveyer belt (24) that the direction of transporting near crushing mechanism (3) of court, conveyer belt (24) are close to the one end top of crushing mechanism (3) and are equipped with first crushing axle (311).

2. The hay cutter with good crushing effect according to claim 1, characterized in that: the both sides of conveyer belt (24) are equipped with frame plate (11) respectively, the both ends of first grinding axle (311) are rotated respectively and are connected with a slider (314), rectangular hole (111) that conveyer belt (24) direction set up are kept away from to one court all seted up on every frame plate (11), slider (314) and rectangular hole (111) sliding connection, be fixed with apron (315) between two sliders (314), apron (315) are located one side that conveyer belt (24) were kept away from in first grinding axle (311), be connected with on apron (315) and apply to apron (315) to being close to support pressure subassembly (33) of conveyer belt (24) direction effort.

3. The hay cutter with good crushing effect as claimed in claim 2, characterized in that: the pressing component (33) comprises a mounting rack (331) which is fixedly arranged between two frame plates (11) and located on one side, far away from the conveyor belt (24), of the cover plate (315), a pressing rod (332) is fixed on one surface, far away from the first rolling shaft (311), of the cover plate (315), and a pressing spring (335) is installed between the pressing rod (332) and the mounting rack (331).

4. The hay cutter with good crushing effect according to claim 3, characterized in that: an auxiliary shaft (313) is rotatably connected between the two frame plates (11), the auxiliary shaft (313) is positioned at the inner ring of the conveyor belt (24), and a second grinding shaft (312) positioned above the auxiliary shaft (313) is further rotatably connected between the two frame plates (11).

5. The hay cutter with good crushing effect according to claim 4, characterized in that: the both ends of second grinding axle (312) are rotated respectively and are connected with and frame plate (11) sliding connection slider (314), slider (314) also links firmly with apron (315), rotate between two frame plates (11) and be connected with one and support and press axle (334), the lateral wall that supports and press axle (334) has linked firmly one and has adjusted pole (336), adjust the one end that pole (336) are close to apron (315) and support and press apron (315) and keep away from a surface of conveyer belt (24), adjust pole (336) and keep away from and install between one end of apron (315) and mounting bracket (331) regulating spring (337).

6. The hay cutter with good crushing effect according to claim 1, characterized in that: one side that conveyer belt (24) were kept away from in first rolling axle (311) is equipped with accepts cover (321), accepts the upper end opening of cover (321), and accepts to rotate between the both sides wall of cover (321) and be connected with cutting axle (322), and multiunit bar sword (3231) and broken sword (3232) of multiunit are installed to the lateral wall of cutting axle (322), and actuating mechanism (5) control cutting axle (322) rotate.

7. The hay cutter with good crushing effect according to claim 6, characterized in that: the below of cutting axle (322) is equipped with auger shaft (41), the one end of auger shaft (41) is connected with drive auger shaft (41) pivoted actuating mechanism (5), auger blade (42) have been linked firmly to the lateral wall of auger shaft (41), the one side of accepting cover (321) is equipped with fan cover (43), it has linked firmly connecting pipe (44) to accept between cover (321) and fan cover (43), connecting pipe (44) are passed to the one end of auger shaft (41) and stretch into in fan cover (43), the one end lateral wall that auger shaft (41) stretched into fan cover (43) has linked firmly a plurality of fan blades (45), discharge pipe (431) have been linked firmly on fan cover (43).

8. The hay cutter with good crushing effect according to claim 7, characterized in that: and a screen plate (6) is detachably connected between the cutting shaft (322) and the packing auger shaft (41).

9. The hay cutter with good crushing effect as claimed in claim 2, characterized in that: the first rolling shaft (311) and the second rolling shaft (312) are both hexagonal star-shaped columns.

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