CN112586196A

CN112586196A - Straw pulverizer

Info

Publication number: CN112586196A
Application number: CN202110040493.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Wei Mingfang
Current assignee: Wei Mingfang
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-04-02

Abstract

The invention belongs to the technical field of straw crushing, and particularly relates to a straw crusher, which comprises a body, a first baffle, a feeding device, a conveying frame, a first crushing mechanism, a second crushing mechanism, a third crushing mechanism and a first screen, and is characterized in that: the left end of the first baffle is fixedly connected with the outer wall of the right side of the body, the first baffle is symmetrically arranged at two sides of the feeding device, the lower end of the feeding device is fixedly connected with a support rod, the support rod is obliquely arranged, the lower end of the support rod is fixed on the outer surface of the body, the first crushing mechanism, the second crushing mechanism and the third crushing mechanism are sequentially installed and fixed in the body from top to bottom, a second screen is arranged below the first crushing mechanism, a third screen is arranged below the second crushing mechanism, a fourth screen is arranged below the third crushing mechanism, and the conveying frame is positioned at the lower side of the fourth screen. Inside the crushing tooth can't stretch out the roller, the straw after smashing can be slided down on second rubbing crusher constructs and third rubbing crusher constructs roller surface, can adjust rubbing crusher constructs's operation quantity by oneself as required to adjust the crushing degree of straw, reduced the consumption of electric energy simultaneously.

Description

Straw pulverizer

Technical Field

The invention belongs to the technical field of straw crushing, and particularly relates to a straw crusher.

Background

In traditional agriculture, harvested crop straws such as wheat, rice, corn and the like are usually burned on the spot, however, with the development of society, environmental problems are more and more emphasized, the straw burning on the spot is prohibited nationwide, and at present, two main treatment modes for straws are available: one is to collect and send to the thermal power plant to burn and generate electricity in a centralized way; the other is to use a straw crusher to crush and return the straw to the field or crush the straw to be used as poultry feed.

However, the existing straw pulverizer often cannot pulverize straws sufficiently and uniformly, and cannot adjust the length range of pulverized straw scraps.

Therefore, it is a problem to be solved to provide a straw pulverizer capable of solving the above problems.

Disclosure of Invention

The invention aims to provide a straw crusher which can crush straws fully and uniformly and adjust the length range of crushed straw scraps so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a straw rubbing crusher includes body, first baffle, material feeding unit, carriage, first rubbing crusher constructs, second rubbing crusher constructs, third rubbing crusher constructs and first screen cloth, its characterized in that: first baffle left end and body right side outer wall fixed connection, and first baffle symmetry sets up in material feeding unit's both sides, material feeding unit's lower extreme fixedly connected with bracing piece, the bracing piece is the slope setting, and the lower extreme of bracing piece is fixed in the surface of body, first rubbing crusher constructs, second rubbing crusher constructs and third rubbing crusher constructs top-down and installs the inside of being fixed in the body in proper order, and just the below of first rubbing crusher constructs is provided with the second screen cloth, the below of second rubbing crusher constructs is provided with the third screen cloth, and the below of third rubbing crusher constructs is provided with the fourth screen cloth, the carriage is located the downside of fourth screen cloth.

Preferably, the feeding device comprises a first driven roller, a first driven wheel, a first driving roller, a motor box, a first motor, a first synchronous belt and a conveying belt, the motor box is fixedly connected to the outer surface of the body, the first motor is installed inside the motor box, an output shaft of the first motor penetrates through a shell of the motor box, the first driving roller is fixedly connected to an output shaft of the first motor in a sleeved mode, the first driving roller and the first driven roller are driven through the first synchronous belt, a first driven wheel is fixedly connected to the first driven roller in a sleeved mode, and the conveying belt is installed on the first driven wheel.

Preferably, the front end and the rear end of the second screen, the front end and the rear end of the third screen and the front end and the rear end of the fourth screen are fixedly connected with the connecting plate, the left end and the right end of the second screen are inserted into the sliding grooves in the second baffle and are in sliding connection with the second baffle, the diameters of the sieve holes of the second screen, the third screen and the fourth screen are sequentially reduced from top to bottom, the diameter of the sieve hole of the first screen is the same as that of the sieve hole of the fourth screen, three groups of the first screen are symmetrically arranged on the left side and the right side of the first screen and are respectively located on two sides of the first.

As preferred, first rubbing crusher constructs by the first roller that two mutual symmetries set up, the inside fixed mounting of first roller has first roller, first fixed block fixed connection in the right side inner wall of body, just the inside of first fixed block is equipped with the cavity, first roller runs through the rolling groove that sets up on first fixed block, the right-hand member of first roller and the second that sets up in the cavity follow driving wheel fixed connection, and two seconds carry out the linkage through splayed second hold-in range between the follow driving wheel.

As preferred, second fixed block fixed connection is in the left side inner wall of body, and the inside fixed mounting of first fixed block has the second motor, and the first roller of fixed connection is established to the output shaft overcoat of second motor, the left side of second motor is provided with the heat dissipation window of installing on the second fixed block.

As preferred, the second rubbing crusher constructs comprises the second roller that two mutual symmetries set up, the second roller is driven by the second roller, and the inside a plurality of grooves of accomodating that are equipped with of second roller, smashes tooth sliding connection in accomodating the inslot, just the lower extreme fixedly connected with fixed iron plate of crushing tooth, the lower fixed surface of fixed iron plate is connected with the multiunit spring, and the lower extreme of multiunit spring is fixed and all connects in magnet, magnet fixed connection is in the inside wall of second roller, it is close to the stopper that the exit set up symmetrically to accomodate the groove.

Preferably, the outer surface of the body is provided with windows corresponding to the sizes of the second screen, the third screen and the fourth screen.

Preferably, the first crushing mechanism, the second crushing mechanism and the third crushing mechanism are driven in the same manner, and the second crushing mechanism and the third crushing mechanism have the same internal structure.

Preferably, the first motor and the second motor are both electrically connected with an external control device.

Compared with the prior art, the invention has the beneficial effects that:

1. through the first crushing mechanism, the second crushing mechanism and the third crushing mechanism which are arranged from top to bottom inside the straw crusher, straws can be crushed in a grading way to achieve sufficient and uniform crushing effect.

2. The crushing effect of different crushing mechanisms can be adjusted by adjusting the rotating speed of the motors in the first crushing mechanism, the second crushing mechanism and the third crushing mechanism, the rotating speed of the motors is gradually accelerated from top to bottom, and the crushing effect is gradually enhanced.

3. The straw after smashing can be filtered through setting up the screen cloth that top-down sieve mesh diameter reduces gradually, and the straw piece through the filter screen is further smashed by next rubbing crusher structure, does not pass through then smash once more by current rubbing crusher structure, can effectively guarantee smashing evenly of straw.

4. Inside being provided with of roller can rely on the crushing tooth that centrifugal force stretches out when the roller rotates, only make first rubbing crusher construct the operation when only carrying out preliminary crushing to the straw can, second rubbing crusher constructs and third rubbing crusher construct the out-of-service, crushing tooth can't stretch out inside the roller, the straw after smashing can be slided down by second rubbing crusher constructs and third rubbing crusher construct the roller surface, can adjust rubbing crusher constructs's operation quantity by oneself as required, adjust with the crushing degree to the straw, the consumption of electric energy has been reduced simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a top view of the first shredder mechanism and second screen of the present invention;

FIG. 5 is a side view of the first shredder mechanism and second screen of the present invention;

FIG. 6 is a cross-sectional view taken at A of the present invention;

FIG. 7 is a cross-sectional view taken at B of the present invention;

FIG. 8 is a schematic structural view of a second shredder mechanism according to the present invention;

FIG. 9 is a schematic view of the second shredder mechanism of the present invention with the shredder teeth retracted;

FIG. 10 is an enlarged view of the structure of the present invention at C.

In the figure: 1. a body; 2. a first baffle plate; 3. a feeding device; 31. a first driven roller; 32. a conveyor belt; 33. a first driven wheel; 34. a motor case; 35. a first motor; 36. a first drive roll; 37. A first synchronization belt; 4. a support bar; 5. a support pillar; 6. a first screen; 7. a first crushing mechanism; 8. a second screen; 9. a second crushing mechanism; 10. a third screen; 11. a third crushing mechanism; 12. a fourth screen; 13. a carriage; 14. a window; 15. a connecting plate; 16. a second baffle; 71. a first roller shaft; 72. a second driven wheel; 73. a rolling groove; 74. a cavity; 75. a first fixed block; 76. a first roller; 77. a second synchronous belt; 78. a second motor; 79. a heat dissipation window; 80. a second fixed block; 91. crushing teeth; 92. a spring; 93. a receiving groove; 94. fixing the iron plate; 95. a second roller shaft; 96. a limiting block; 97. a second roller; 98. and a magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: the straw crushing device comprises a body 1, a first baffle 2, a feeding device 3, a conveying frame 13, a first crushing mechanism 7, a second crushing mechanism 9, a third crushing mechanism 11 and a first screen 6, wherein the left end of the first baffle 2 is fixedly connected with the outer wall of the right side of the body 1, the first baffle 2 is symmetrically arranged on two sides of the feeding device 3, the first baffle 2 can limit straws placed on a conveying belt to prevent the straws from sliding off the feeding device 3 in the transportation process, a supporting rod 4 is fixedly connected to the lower end of the feeding device 3, the supporting rod 4 is obliquely arranged, the lower end of the supporting rod 4 is fixed on the outer surface of the body 1, the stability of the feeding device 3 can be improved due to the arrangement of the supporting rod 4, the first crushing mechanism 7, the second crushing mechanism 9 and the third crushing mechanism 11 are sequentially installed and fixed in the body 1 from top to bottom, and a second screen 8 is arranged below the first crushing mechanism 7, A third screen 10 is arranged below the second crushing mechanism 9, a fourth screen 12 is arranged below the third crushing mechanism 11, and a conveying frame 13 is positioned below the fourth screen 12, so that crushed straws can be sequentially screened by arranging a plurality of screens, and straw scrap particles meeting the requirements can be screened;

the feeding device 3 comprises a first driven roller 31, a first driven roller 33, a first driving roller 36, a motor box 34, a first motor 35, a first synchronous belt 37 and a conveying belt 32, wherein the motor box 34 is fixedly connected to the outer surface of the body 1, the first motor 35 is installed inside the motor box 34, an output shaft of the first motor 35 penetrates through the shell of the motor box 34, the first driving roller 36 is fixedly connected to the output shaft of the first motor 35 in a sleeved mode, the first driving roller 36 and the first driven roller 31 are in transmission through the first synchronous belt 37, the first driven roller 31 is fixedly connected to the first driven roller 33 in a sleeved mode, and the conveying belt 32 is installed on the first driven roller 33;

the second screen 8, the third screen 10, the front and back ends of the fourth screen 12 are fixedly connected with the connecting plate 15, the left and right ends are inserted into the sliding grooves in the second baffle 16 and are connected with the second baffle 16 in a sliding manner, the second screen 8 can be pulled manually, the third screen 10 and the fourth screen 12 can be pulled out of the device body, the screens are convenient to detach and clean, the screen diameters of the second screen 8, the third screen 10 and the fourth screen 12 are sequentially reduced from top to bottom, the straw smashing can be ensured to be more sufficient, the screen diameters of the first screen 6 are the same as those of the fourth screen 12, three groups of first screens 6 are symmetrically arranged on the left and right sides of the first smashing mechanism 7, the second smashing mechanism 9 and the third smashing mechanism 11, the straws flying up in the smashing mechanism are convenient to be screened, and the straws passing through the first screen 6 can directly slide down to the conveying frame 13 through the cavity between the second baffle 16 and the inner wall of the body 1 And (4) conveying the belt.

The first crushing mechanism 7 is composed of two first rollers 76 which are symmetrically arranged, a first roller shaft 71 is fixedly arranged inside the first rollers 76, a first fixing block 75 is fixedly connected to the inner wall of the right side of the body 1, a cavity 74 is arranged inside the first fixing block 75, the first roller shaft 71 penetrates through a rolling groove 73 arranged on the first fixing block 75, the right end of the first roller shaft 71 is fixedly connected with a second driven wheel 72 arranged in the cavity 74, and the left and right second driven wheels 72 are linked through a splayed second synchronous belt 77, so that the two first rollers 76 can be ensured to reversely rotate at the same speed;

the second fixing block 80 is fixedly connected to the inner wall of the left side of the body 1, the second motor 78 is fixedly installed inside the second fixing block 80, the first roller shaft 71 is fixedly connected to an output shaft of the second motor 78 in a sleeved mode, the heat dissipation window 79 installed on the second fixing block 80 is arranged on the left side of the second motor 78, the heat generated when the second motor 78 runs can be discharged through the heat dissipation window 79, and the second motor 78 is prevented from being burnt due to overheating;

the second crushing mechanism 9 is composed of two second rollers 97 which are symmetrically arranged, the second rollers 97 are driven by a second roller shaft 95, a plurality of accommodating grooves 93 are formed in the second rollers 97, the crushing teeth 91 are slidably connected in the accommodating grooves 93, the lower ends of the crushing teeth 91 are fixedly connected with a fixed iron plate 94, the lower surface of the fixed iron plate 94 is fixedly connected with a plurality of groups of springs 92, the lower ends of the plurality of groups of springs 92 are fixedly connected with a magnet 98, the magnet 98 can adsorb the fixed iron plate 94, the magnet 98 is fixedly connected to the inner side wall of the second rollers 97, the accommodating grooves 93 are provided with symmetrically arranged limiting blocks 96 close to the outlet, the crushing teeth 91 can be automatically accommodated in the accommodating grooves 93 when the second rollers 97 stop running, and the accommodating grooves 93 can prevent the crushing teeth 91 from sliding out of the accommodating grooves 93 when the second rollers 97 rotate too fast;

the outer surface of the body 1 is provided with a window 14 corresponding to the size of the second screen 8, the third screen 10 and the fourth screen 12, so that a worker can take the screens out of the device body 1 manually;

the driving modes of the first crushing mechanism 7, the second crushing mechanism 9 and the third crushing mechanism 11 are completely the same, a second motor 78 arranged inside the first crushing mechanism runs independently, the rotating speed of the first crushing mechanism 7, the rotating speed of the second crushing mechanism 9 and the rotating speed of the third crushing mechanism 11 are convenient to adjust through an external control device respectively, the internal structures of the second crushing mechanism 9 and the third crushing mechanism 11 are completely the same, the diameters of rollers of the first crushing mechanism 7, the second crushing mechanism 9 and the third crushing mechanism 11 are reduced in sequence, the crushing effect is gradually enhanced, and the size of the straw is gradually reduced;

the first motor 35 and the second motor 78 are electrically connected to an external control device.

The working principle is as follows: when the straw crusher is used, straws are flatly laid on the conveyor belt 32 of the feeding device 3, the straws are conveyed to the interior of the crushing mechanism under the driving of the first motor 35, the straws slide downwards and are primarily filtered through the first screen 6, the first crushing mechanism 7 crushes the straws for the first time, crushed straw scraps enter the second crushing mechanism 9 through the second screen 8 to be crushed for the second time, the crushed straw scraps enter the third crushing mechanism 11 through the third screen 10 to be crushed for the third time, the crushed straw scraps fall on the conveyor belt of the conveyor frame 13 through the fourth screen 12 and are output by the conveyor frame 13, and in the process, the rotating speeds of the second motor 78 in the first crushing mechanism 7, the second crushing mechanism 9 and the third crushing mechanism 11 can be adjusted, so that the rotating speed of the second motor 78 is gradually increased from top to bottom, the crushing effect strengthens gradually, only keep first rubbing crusher 7 operation when needing to carry out preliminary crushing to the straw, second rubbing crusher 9 and third rubbing crusher 11 shut down the operation, the inside crushing tooth 91 of second roller 97 is placed in completely under the effect of multiunit spring and is accomodate the groove 93 this moment, magnet 98 can adsorb fixed iron plate 94, improve the stability of crushing tooth 91 under the circumstances of accomodating, then take out third screen cloth 10 and fourth screen cloth 12 through window 14 is manual, straw after first rubbing crusher 7 is smashed alright on the conveyer belt of carriage 13 through second screen cloth 8 directly, then export it by this carriage 13.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a straw pulverizer, includes body (1), first baffle (2), material feeding unit (3), carriage (13), first rubbing crusher constructs (7), second rubbing crusher constructs (9), third rubbing crusher constructs (11) and first screen cloth (6), its characterized in that: first baffle (2) left end and body (1) right side outer wall fixed connection, and first baffle (2) symmetry sets up in the both sides of material feeding unit (3), the lower extreme fixedly connected with bracing piece (4) of material feeding unit (3), bracing piece (4) are the slope setting, and the lower extreme of bracing piece (4) is fixed in the surface of body (1), first rubbing crusher constructs (7), second rubbing crusher constructs (9) and third rubbing crusher constructs (11) top-down installs the inside of being fixed in body (1) in proper order, and the below of first rubbing crusher constructs (7) is provided with second screen cloth (8), the below of second rubbing crusher constructs (9) is provided with third screen cloth (10), the below of third rubbing crusher constructs (11) is provided with fourth screen cloth (12), carriage (13) are located the downside of fourth screen cloth (12).

2. The straw pulverizer as claimed in claim 1, wherein: material feeding unit (3) comprise first driven voller (31), first follow driving wheel (33), first drive roll (36), motor case (34), first motor (35), first synchronous belt (37) and conveyer belt (32), motor case (34) fixed connection is in the surface of body (1), install in the inside of motor case (34) first motor (35), the shell of motor case (34) is run through to the output shaft of first motor (35), and its output shaft overcoat establishes first drive roll (36) of fixedly connected with, carry out the transmission through first synchronous belt (37) between first drive roll (36) and first driven voller (31), fixedly connected with is established to first driven voller (31) overcoat and is followed driving wheel (33), installs conveyer belt (32) on the first driven voller (33).

3. The straw pulverizer as claimed in claim 1, wherein: the front end and the rear end of the second screen (8), the third screen (10) and the fourth screen (12) are fixedly connected with the connecting plate (15), the left end and the right end are inserted into the chutes inside the second baffle (16) and are in sliding connection with the second baffle (16), the sieve pore diameters of the second screen (8), the third screen (10) and the fourth screen (12) are sequentially reduced from top to bottom, the sieve pore diameters of the first screen (6) are the same as those of the fourth screen (12), and three groups of the first screen (6) are symmetrically arranged on the left side and the right side and are respectively positioned on two sides of the first crushing mechanism (7), the second crushing mechanism (9) and the third crushing mechanism (11).

4. The straw pulverizer as claimed in claim 1, wherein: first rubbing crusher (7) comprise first roller (76) that two mutual symmetries set up, the inside fixed mounting of first roller (76) has first roller (71), first fixed block (75) fixed connection in the right side inner wall of body (1), just the inside of first fixed block (75) is equipped with cavity (74), first roller (71) run through and set up rolling groove (73) on first fixed block (75), the right-hand member of first roller (71) and the second that sets up in cavity (74) are from driving wheel (72) fixed connection, and two seconds are from driving wheel (72) between linkage through splayed second hold-in range (77).

5. The straw pulverizer as claimed in claim 1, wherein: second fixed block (80) fixed connection is in the left side inner wall of body (1), and inside fixed mounting of second fixed block (80) has second motor (78), and the first roller of fixed connection (71) is established to the output shaft overcoat of second motor (78), the left side of second motor (78) is provided with heat dissipation window (79) of installing on second fixed block (80).

6. The straw pulverizer as claimed in claim 1, wherein: second rubbing crusher constructs (9) and constitutes by second roller (97) that two mutual symmetries set up, second roller (97) are driven by second roller (95), and second roller (97) are inside to be equipped with a plurality of grooves (93) of accomodating, smash tooth (91) sliding connection in accomodating groove (93), just the lower extreme fixedly connected with fixed iron plate (94) of crushing tooth (91), the lower fixed surface of fixed iron plate (94) is connected with multiunit spring (92), and the equal fixed connection in magnet (98) of lower extreme of multiunit spring (92), magnet (98) fixed connection is in the inside wall of second roller (97), accomodate groove (93) and be close to stopper (96) that the exit was equipped with the symmetry and set up.

7. The straw pulverizer as claimed in claim 1, wherein: the outer surface of the body (1) is provided with windows (14) corresponding to the sizes of the second screen (8), the third screen (10) and the fourth screen (12).

8. The straw pulverizer as claimed in claim 1, wherein: the driving modes of the first crushing mechanism (7), the second crushing mechanism (9) and the third crushing mechanism (11) are completely the same, and the internal structures of the second crushing mechanism (9) and the third crushing mechanism (11) are completely the same.

9. The straw pulverizer as claimed in claim 1, wherein: the first motor (35) and the second motor (78) are electrically connected with an external control device.