CN220383644U

CN220383644U - Crop straw smashing device

Info

Publication number: CN220383644U
Application number: CN202321892697.9U
Authority: CN
Inventors: 倪龙珠; 程月琴; 王吉华; 曹春美; 倪银童
Original assignee: Nanjing Mingzhu Fertilizer Co ltd
Current assignee: Nanjing Mingzhu Fertilizer Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-01-26
Anticipated expiration: 2033-07-19

Abstract

The utility model relates to an agricultural machinery technical field specifically is a crop straw reducing mechanism, including smashing the case, the top surface of smashing the case is fixed with the feed inlet, smash the left bottom of case and be fixed with the discharge gate, smash and be equipped with primary crushing mechanism on the case, smash and be equipped with meticulous crushing mechanism on the case, meticulous crushing mechanism is including fixing the protective housing of smashing bottom wall center department in the case, the center department of bottom wall is connected with the pivot through the bearing rotation in the protective housing, the external surface of pivot is fixed with a plurality of crushing blades, meticulous crushing mechanism is still including fixing smash the support frame of case right side bottom. This crop straw reducing mechanism can drive first dwang through smashing the motor and rotate and drive the second dwang and rotate, then carry out preliminary crushing with the straw through two crushing rollers, then further smash by meticulous crushing mechanism, can make the straw smash more thoroughly.

Description

Crop straw smashing device

Technical Field

The application relates to the technical field of agricultural machinery, in particular to a crop straw smashing device.

Background

The organic fertilizer mainly comes from plants and/or animals, is applied to soil to provide plant nutrition as a carbon-containing material with main functions, is processed by biological substances, animal and plant wastes and plant residues, eliminates toxic and harmful substances in the organic fertilizer, is rich in a large amount of beneficial substances, and comprises the following components: the organic acid, peptide and rich nutrient elements including nitrogen, phosphorus and potassium can provide comprehensive nutrition for crops, has long fertilizer efficiency, can increase and update soil organic matters, promotes microorganism reproduction, improves physical and chemical properties and biological activity of soil, and is a main nutrient for green food production.

For example, chinese patent (public number: CN 210017037U) discloses a straw pulverizer, the straw cutting mechanism of the utility model automatically performs intermittent operation to cut straws, when in cutting operation, the piston rod of a cylinder extends downwards, and because the spring is in a balanced state, the pressing plate and the cutter can be driven to move downwards simultaneously, and because the lower edge of the cutter is higher than the lower edge of the pressing plate, the pressing plate firstly contacts the straws, the straws are pressed on the bottom plate, the piston rod of the cylinder continues to extend downwards, and the cutter compresses the spring to move downwards, so that the straw is cut; after the cutting is completed, the piston rod of the air cylinder is reset upwards, and the cut straws are sent into the crushing roller through the feeding hopper to be crushed.

Straw is used as one of raw materials for manufacturing the organic fertilizer, and the straw is required to be smashed and then mixed with other raw materials, but the straw is only smashed once by a smashing roller when being smashed, so that the problems of incomplete smashing and uneven size exist, and the fineness of the straw as the organic fertilizer is difficult to achieve.

Disclosure of Invention

To the not enough of prior art, this application provides a crop straw reducing mechanism, possesses the thorough advantage of smashing, has solved the problem that current rubbing crusher is difficult to reach crushing requirement.

In order to achieve the above purpose, the present application provides the following technical solutions: the crop straw crushing device comprises a crushing box, wherein a feeding hole is fixed on the top surface of the crushing box, a discharging hole is fixed at the bottom of the left side of the crushing box, a primary crushing mechanism is arranged on the crushing box, and a fine crushing mechanism is arranged on the crushing box;

the fine crushing mechanism comprises a protective box fixed at the center of the inner bottom wall of the crushing box, a rotating shaft is rotatably connected to the center of the inner bottom wall of the protective box through a bearing, a plurality of crushing blades are fixed on the outer surface of the rotating shaft, the fine crushing mechanism further comprises a supporting frame fixed at the bottom of the right side of the crushing box, a rotating rod is rotatably connected to the left side of the inner wall of the supporting frame through a bearing, a driving bevel gear is fixed to the left end of the rotating rod, a driven bevel gear is fixed to the bottom of the outer surface of the rotating shaft, a first belt pulley is fixed to the right side of the outer surface of the rotating rod, the fine crushing mechanism further comprises a second belt pulley arranged on the primary crushing mechanism, and a driving belt is connected between the first belt pulley and the second belt pulley.

The beneficial effect of adopting above-mentioned technical scheme: the straw is crushed more thoroughly, the crushing effect is improved, and the straw reaches the usable fine degree.

Further, the inner bottom wall of the crushing box is inclined in a left-low right-high manner, and the driving bevel gear is meshed with the driven bevel gear.

The beneficial effects of adopting further technical scheme are that: the material is convenient to take, and the rotating shaft can be indirectly driven to synchronously rotate through the rotation of the rotating rod.

Further, the bottom of the outer surface of the rotating shaft is rotationally connected with the center of the top surface of the protective box through a bearing, and the left side of the outer surface of the rotating rod is rotationally connected with the center of the right side of the protective box through a bearing.

The beneficial effects of adopting further technical scheme are that: the rotating rod and the rotating shaft can be more stable in the rotating process, and meanwhile, the straws can be prevented from entering the protective box.

Further, the bottom on the right side of the crushing box is provided with a yielding hole, and the rotating rod penetrates through the yielding hole and extends to the outside of the crushing box.

The beneficial effects of adopting further technical scheme are that: the primary crushing mechanism is convenient to drive the rotating rod to rotate.

Further, primary crushing mechanism is including fixing smash positive mount in case right side top, the left side fixed mounting of mount inner wall has crushing motor, crushing motor's output shaft is fixed with first dwang, the left side of first dwang surface is fixed with the driving gear, primary crushing mechanism still include through the bearing with smash the second dwang that back between the case inner wall left and right sides is fixed mutually, the left side of second dwang surface is fixed with driven gear, the surface of first dwang with the surface of second dwang all is fixed with crushing roller.

The beneficial effects of adopting further technical scheme are that: the straw can be primarily crushed.

Further, the second belt pulley is fixed on the outer surface of the output shaft of the crushing motor, and the driving gear is meshed with the driven gear.

The beneficial effects of adopting further technical scheme are that: the crushing motor can drive the first rotating rod to rotate and simultaneously drive the rotating rod to rotate.

Further, the left end of the first rotating rod is fixed with the front face of the left top of the inner wall of the crushing box through a bearing, and a fixing hole is formed in the front face of the right top of the crushing box.

The beneficial effects of adopting further technical scheme are that: the stability of the first rotating lever in the rotating process can be improved.

Further, the first rotating rod and the second rotating rod are round rods, and bases are fixed at four corners of the bottom surface of the crushing box.

The beneficial effects of adopting further technical scheme are that: can support the crushing box.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this crop straw reducing mechanism is equipped with primary crushing mechanism, can drive first dwang through crushing motor and rotate and drive the second dwang and rotate, then carries out preliminary crushing with the straw through two crushing rollers, then further smashes by meticulous crushing mechanism, can make the straw smash more thoroughly.

2. This crop straw reducing mechanism is equipped with meticulous rubbing crusher and constructs, and the straw after preliminary smashing drops the interior bottom of smashing the case, smashes the straw again by crushing blade, and primary rubbing crusher constructs and is the vertical state to straw kibbling direction with meticulous rubbing crusher and constructs, can effectively improve crushing effect, makes straw smash more thoroughly, more even.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a top view of the primary shredder mechanism of the present application;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 of the present application.

In the figure: 1. a crushing box; 2. a feed inlet; 3. a discharge port; 4. a primary pulverizing mechanism; 401. a fixing frame; 402. a crushing motor; 403. a first rotating lever; 404. a drive gear; 405. a second rotating lever; 406. a driven gear; 407. a pulverizing roller; 5. a fine pulverizing mechanism; 501. a protective box; 502. a rotating shaft; 503. a crushing blade; 504. a support frame; 505. a rotating rod; 506. a drive bevel gear; 507. a driven bevel gear; 508. a first pulley; 509. a second pulley; 510. a drive belt.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Referring to fig. 1, a crop straw crushing device in this embodiment includes a crushing box 1, a feeding hole 2 is fixed on the top surface of the crushing box 1, a discharging hole 3 is fixed on the bottom of the left side of the crushing box 1, a primary crushing mechanism 4 is arranged on the crushing box 1, and a fine crushing mechanism 5 is arranged on the crushing box 1.

The utility model can improve the crushing effect of the straws by arranging the primary crushing mechanism 4 and the fine crushing mechanism 5, so that the straws are crushed more thoroughly and thoroughly.

Referring to fig. 1 and 3, in order to facilitate the straw to be crushed more thoroughly, the fine crushing mechanism 5 comprises a protective box 501 fixed at the center of the inner bottom wall of the crushing box 1, a rotating shaft 502 is rotatably connected to the center of the inner bottom wall of the protective box 501 through a bearing, a plurality of crushing blades 503 are fixed on the outer surface of the rotating shaft 502, the fine crushing mechanism 5 further comprises a supporting frame 504 fixed at the bottom of the right side of the crushing box 1, a rotating rod 505 is rotatably connected to the left side of the inner wall of the supporting frame 504 through a bearing, a driving bevel gear 506 is fixed to the left end of the rotating rod 505, a driven bevel gear 507 is fixed to the bottom of the outer surface of the rotating shaft 502, a first belt pulley 508 is fixed to the right side of the outer surface of the rotating rod 505, and a second belt pulley 509 is arranged on the primary crushing mechanism 4, and a transmission belt 510 is connected between the first belt pulley 508 and the second belt pulley 509.

It will be appreciated that the fine crushing mechanism 5 may enhance the crushing effect of the straw.

Wherein, the inner bottom wall of crushing case 1 is left low and right high slope form, is convenient for take out the straw that the crushing accomplished, and initiative taper gear 506 meshes with driven bevel gear 507, is convenient for drive driven bevel gear 507 through initiative taper gear 506 and rotates and further drive pivot 502 rotation.

Simultaneously, the bottom of pivot 502 surface is rotated through the bearing with the center department of protective housing 501 top surface and is connected, can play the supporting role to pivot 502 and reduce the gap simultaneously and avoid the straw to drop to in the protective housing 501, and the left side of bull stick 505 surface is rotated through the bearing with the center department on protective housing 501 right side and is connected, can play the supporting role to bull stick 505, can make bull stick 505 atress more even make it more stable at pivoted in-process.

In addition, the bottom on the right side of the crushing box 1 is provided with a yielding hole, and the rotating rod 505 penetrates through the yielding hole and extends to the outside of the crushing box 1, and the rotation of the rotating rod 505 can drive the drive bevel gear 506 to rotate.

Referring to fig. 2, in order to facilitate preliminary crushing of straw, the primary crushing mechanism 4 includes a fixing frame 401 fixed on the top of the right side of the crushing box 1, a crushing motor 402 is fixedly mounted on the left side of the inner wall of the fixing frame 401, a first rotating rod 403 is fixed on an output shaft of the crushing motor 402, a driving gear 404 is fixed on the left side of the outer surface of the first rotating rod 403, the primary crushing mechanism 4 further includes a second rotating rod 405 fixed on the back between the left side and the right side of the inner wall of the crushing box 1 through a bearing, a driven gear 406 is fixed on the left side of the outer surface of the second rotating rod 405, and crushing rollers 407 are fixed on the outer surfaces of the first rotating rod 403 and the second rotating rod 405.

The primary crushing mechanism 4 may perform primary crushing of the straw, and then perform secondary crushing by the fine crushing mechanism 5.

It should be emphasized that the second belt pulley 509 is fixed on the outer surface of the output shaft of the pulverizing motor 402, and the pulverizing motor 402 can drive the primary pulverizing mechanism 4 and the fine pulverizing mechanism 5 at the same time by using the second belt pulley 509 to save energy, and the driving gear 404 is meshed with the driven gear 406, so that the first rotating rod 403 drives the second rotating rod 405 to rotate, and the rotating directions of the two rotating rods are opposite.

It can be appreciated that the left end of the first rotating rod 403 is fixed to the front surface of the top of the left side of the inner wall of the crushing box 1 through a bearing, so that the rotating process of the first rotating rod 403 is not affected while the first rotating rod 403 is supported, and the front surface of the top of the right side of the crushing box 1 is provided with a fixing hole to provide a rotating space for the first rotating rod 403.

Finally, the first rotating rod 403 and the second rotating rod 405 are round rods, so that the driving gear 404 and the driven gear 406 are convenient to fix, and bases are fixed at four corners of the bottom surface of the crushing box 1, so that a supporting effect can be achieved.

The working principle of the embodiment is as follows:

when the straw crushing machine is used, firstly, straw is added into the crushing box 1 through the feed inlet 2, then the crushing motor 402 is started, the crushing motor 402 drives the first rotating rod 403 to rotate and drives the second rotating rod 405 to rotate under the cooperation of the driving gear 404 and the driven gear 406, the rotating directions of the first rotating rod 403 and the second rotating rod 405 are opposite, the straw can be crushed preliminarily through the two crushing rollers 407, the straw after preliminary crushing falls to the inner bottom of the crushing box 1, the crushing motor 402 can drive the second belt pulley 509 to rotate while being started to further drive the rotating rod 505 to rotate through the driving bevel gear 506 and the driven bevel gear 507, the rotating rod 505 can be driven to rotate through the cooperation of the driving bevel gear 506 and the driven bevel gear 507 in the rotating process, the crushing blade 503 is further driven to rotate through the rotating shaft 502, the crushing direction of the primary crushing mechanism 4 and the fine crushing mechanism 5 is in a vertical state, the crushing effect can be effectively improved, and the straw is crushed more thoroughly and more uniformly.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. Crop straw reducing mechanism, including smashing case (1), its characterized in that: the top surface of the crushing box (1) is fixedly provided with a feed inlet (2), the bottom of the left side of the crushing box (1) is fixedly provided with a discharge outlet (3), the crushing box (1) is provided with a primary crushing mechanism (4), and the crushing box (1) is provided with a fine crushing mechanism (5);

the utility model provides a fine grinding mechanism (5) is including fixing the protective housing (501) of bottom wall center department in crushing case (1), the center department of diapire is connected with pivot (502) through the bearing rotation in protective housing (501), the surface mounting of pivot (502) has a plurality of crushing blade (503), fine grinding mechanism (5) are still including fixing support frame (504) of crushing case (1) right side bottom, the left side of support frame (504) inner wall is connected with bull stick (505) through the bearing rotation, the left end of bull stick (505) is fixed with initiative bevel gear (506), the bottom of pivot (502) surface is fixed with driven bevel gear (507), the right side of the surface of bull stick (505) is fixed with first belt pulley (508), fine grinding mechanism (5) are still including setting up second belt pulley (509) on primary grinding mechanism (4), first belt pulley (508) with the transmission is connected with driving belt (510) between second belt pulley (509).

2. A crop straw comminution device according to claim 1, characterized in that: the inner bottom wall of the crushing box (1) is inclined in a left-low right-high manner, and the driving bevel gear (506) is meshed with the driven bevel gear (507).

3. A crop straw comminution device according to claim 1, characterized in that: the bottom of the outer surface of the rotating shaft (502) is rotationally connected with the center of the top surface of the protective box (501) through a bearing, and the left side of the outer surface of the rotating rod (505) is rotationally connected with the center of the right side of the protective box (501) through a bearing.

4. A crop straw comminution device according to claim 1, characterized in that: the bottom on the right side of the crushing box (1) is provided with a yielding hole, and the rotating rod (505) penetrates through the yielding hole and extends to the outside of the crushing box (1).

5. A crop straw comminution device according to claim 1, characterized in that: the primary crushing mechanism (4) is including fixing positive mount (401) in crushing case (1) right side top, the left side fixed mounting of mount (401) inner wall has crushing motor (402), the output shaft of crushing motor (402) is fixed with first dwang (403), the left side of first dwang (403) surface is fixed with driving gear (404), primary crushing mechanism (4) still include through the bearing with the second dwang (405) that back between crushing case (1) inner wall left and right sides is fixed mutually, the left side of second dwang (405) surface is fixed with driven gear (406), the surface of first dwang (403) with the surface of second dwang (405) all is fixed with crushing roller (407).

6. The crop straw crushing device according to claim 5, wherein: the second belt pulley (509) is fixed on the outer surface of the output shaft of the crushing motor (402), and the driving gear (404) is meshed with the driven gear (406).

7. The crop straw crushing device according to claim 5, wherein: the left end of the first rotating rod (403) is fixed with the front surface of the top of the left side of the inner wall of the crushing box (1) through a bearing, and a fixing hole is formed in the front surface of the top of the right side of the crushing box (1).

8. The crop straw crushing device according to claim 5, wherein: the first rotating rod (403) and the second rotating rod (405) are round rods, and bases are fixed at four corners of the bottom surface of the crushing box (1).