阅读说明：本技术 一种秸秆粉碎机 (Straw pulverizer ) 是由 庞红英 沈宽平 于 2020-12-31 设计创作，主要内容包括：本发明涉及一种秸秆粉碎机,包括机架,转筒、转筒组合轮架、转筒驱动机构、刀弓、滚筒刀组、滚筒刀组驱动机构和筛网,所述机架上方设有转筒组合轮架,转筒组合轮架上设有转筒；所述转筒为倒锥形筒体,机架上方设有转筒驱动机构；所述转筒下部内设有刀弓,刀弓的两端设有连接法兰安装在机架的上横梁内侧；所述转筒下方设有滚筒刀组,滚筒刀组的锤片通过螺栓安装在锤片安装架上,滚筒刀组置于主轴轴承座台架上,滚筒刀组由设置在机架上的滚筒刀组驱动机构驱动；所述滚筒刀组下方设有可拆卸筛网,筛网设置在机架的上横梁下面。本发明的有益效果是：满足了针对不同的秸秆对象应用时设备运行的稳定性、使用维护的便利性,达到可靠的粉碎效果和高效率。(The invention relates to a straw pulverizer, which comprises a rack, a rotary drum combined wheel carrier, a rotary drum driving mechanism, a cutter bow, a rotary drum cutter group driving mechanism and a screen, wherein the rotary drum combined wheel carrier is arranged above the rack, and the rotary drum is arranged on the rotary drum combined wheel carrier; the rotary drum is an inverted cone-shaped drum body, and a rotary drum driving mechanism is arranged above the rack; a cutter bow is arranged in the lower part of the rotary drum, and connecting flanges are arranged at two ends of the cutter bow and are arranged on the inner side of an upper cross beam of the rack; a roller knife group is arranged below the rotary drum, a hammer sheet of the roller knife group is arranged on the hammer sheet mounting frame through a bolt, the roller knife group is arranged on the main shaft bearing seat rack, and the roller knife group is driven by a roller knife group driving mechanism arranged on the rack; the detachable screen is arranged below the roller knife group and is arranged below the upper cross beam of the rack. The invention has the beneficial effects that: the equipment meets the requirements of stability of equipment operation and convenience of use and maintenance when the equipment is applied to different straw objects, and achieves reliable crushing effect and high efficiency.)

1. A straw pulverizer comprises a frame, a rotary drum combined wheel carrier, a rotary drum driving mechanism, a cutter bow, a rotary drum cutter set driving mechanism and a screen, wherein the rotary drum combined wheel carrier is arranged above the frame, the rotary drum is arranged on the rotary drum combined wheel carrier, and the rotary drum driving mechanism is arranged above the frame; a knife bow is arranged in the lower part of the rotary drum and is arranged on the inner side of an upper beam of the rack; a roller knife group is arranged on the rack below the rotary drum and is driven by a roller knife group driving mechanism arranged on the rack; a screen is arranged below the roller knife group and is arranged below the upper cross beam of the frame; the method is characterized in that: the rotary drum is an inverted cone-shaped drum body, the upper opening is large in design, the lower opening is small in design, and an annular groove steel ring track is arranged outside the drum body.

2. The straw pulverizer of claim 1, wherein: the roller cutter set comprises a main shaft, a main shaft bearing seat, cutter heads, cutter bars, a hammer sheet mounting frame, hammer sheets and bolts, wherein the two ends of the main shaft are mounted on the frame through the main shaft bearing seat, a plurality of groups of cutter heads are arranged on the main shaft, a plurality of groups of cutter bars are arranged between the cutter heads, a plurality of groups of hammer sheet mounting frames are axially arranged on the cutter bars, and the hammer sheets are mounted on the hammer sheet mounting frame through the bolts.

3. The straw pulverizer of claim 1, wherein: and connecting flanges are arranged at two ends of the knife bow, and waist-shaped mounting holes are formed in the connecting flanges.

4. The straw pulverizer of claim 2, wherein: a main shaft bearing seat rack is arranged below the main shaft bearing seats at the two ends of the main shaft, and comprises a rack body, a rubber-plastic composite block, a pressure rod bolt, a pressure rod nut and a pressure rod rack; the rack body is of a frame structure, the rack body is arranged on the lower cross beams at two ends of the rack, and the bottom surface of the rack body is provided with a rubber-plastic composite block; a main shaft bearing seat is arranged in the middle of the upper surface of the rack body, and a pressure rod rack are arranged at two ends of the upper surface of the rack body; the pressure bar frame is installed in the frame side, is equipped with two decurrent pressure bar bolts in every pressure bar frame, threaded connection between pressure bar bolt and the pressure bar frame, and the pressure bar bolt is located the four corners of rack body upper surface, and pressure bar bolt bottom surface and rack body upper surface contact compress tightly, use the depression bar nut and sticis the pressure bar bolt after adjusting rack body level.

5. The straw pulverizer of claim 1, wherein: the screen comprises a screen support, a screen strip and a screen flange, wherein the screen support is a group of semicircular rings, and through holes are uniformly distributed on each circular ring surface; the screen mesh strip is in a round rod shape and is uniformly inserted into the through hole of the screen mesh bracket; the screen mesh flanges are arranged at two ends of the screen mesh support and connected with the screen mesh support, mounting through holes are formed in the surfaces of the screen mesh flanges, and the screen mesh is fixed below an upper cross beam of the rack by bolts at the screen mesh flanges.

6. The straw pulverizer of claim 1, wherein: the rotary drum combined wheel carrier comprises a wheel carrier body, a supporting wheel supporting plate, a supporting wheel shaft, a supporting wheel, a wheel blocking bracket, a wheel blocking shaft, a wheel blocking, a pressing wheel supporting plate, a pressing wheel shaft and a pressing wheel; a supporting wheel supporting plate is arranged on the vertical cylindrical surface in the middle of the wheel frame body, a supporting wheel shaft which is horizontally placed is arranged on the supporting wheel supporting plate, and a supporting wheel is arranged at one end of the supporting wheel shaft; two sides of the vertical column surface in the middle of the wheel frame body are symmetrically provided with wheel blocking supports, one end of each wheel blocking support is provided with a wheel blocking shaft which is vertically arranged, and the wheel blocking shaft is provided with a wheel blocking; a pinch roller supporting plate is arranged above the wheel frame body, a pinch roller shaft which is horizontally placed is arranged on the pinch roller supporting plate, a pinch roller is arranged at one end of the pinch roller shaft, and the pinch roller and the supporting wheel are arranged in a vertically corresponding mode; the wheel carrier bodies are uniformly arranged at four corners of the upper plane of the frame of the straw pulverizer, the supporting wheels are arranged on the bottom surface of an annular groove steel ring track outside the rotary drum, the pressing wheel is arranged on the top surface of the annular groove steel ring track, the blocking wheels are arranged on the side surfaces of the annular groove steel ring track, and the rotary drum rotates under the support of the supporting wheels and the limitation of the blocking wheels and the pressing wheel.

Technical Field

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

Background

The straw crusher is a device for crushing crop straws into forage, and the straw crusher can crush corn stalks, wheat, rice, bean stalks, rape, cotton, sugarcane and other combustible crop waste stalks. The white burning of the crop straws is avoided, the environment is well protected, and the renewable energy is effectively developed.

When the straw crusher in the prior art is used, the following defects exist:

the traditional rotary drum is designed to be cylindrical, the diameter of a cylindrical drum body is too small, feeding is affected, the diameter is too large, the distance between the lower part of the rotary drum and a rotary drum cutter set in a crushing area is increased, and the crushing effect and efficiency are affected;

the traditional hammer blade design is directly installed on a cutter rod of a roller cutter set, when a hammer blade is required to be replaced due to the fact that a certain hammer blade is broken or partially worn, the cutter rod on the roller cutter set needs to be completely pulled out to replace the hammer blade, and then the hammer blade is installed again, so that the operation is time-consuming and difficult to operate on site;

in the design of the traditional straw pulverizer, a cutter bow and a rack are welded together, in the actual use process, the position of the cutter bow can be adjusted up and down due to different crushed materials or yield requirements, the traditional adjustment needs to be completed by means of cutting, welding and the like, and the operations have great potential safety hazards in the use field and are inconvenient to adjust;

in the design of the traditional straw pulverizer, a bearing seat of a main shaft is directly arranged on a cross beam of a frame, or a plurality of round rubber blocks are designed to be arranged below the bearing seat, so that the vibration and noise of the working of the equipment are high, the service life of a main shaft bearing is directly influenced, and the bearing seat is a fatal factor influencing whether the equipment can normally run;

the traditional screen is integrally welded, the screen can be correspondingly adjusted in time according to the requirements of crushed materials in the production process, if the interval is adjusted, the adjustment can only be completed by means of flame cutting, welding and the like, the screen is flammable on the common production site, and once the materials are ignited due to improper operation, potential safety hazards exist;

the traditional rotary drum support design is that two groove steel ring tracks are designed outside a cylindrical drum body, and a drum body riding wheel, a pressing wheel and a blocking wheel are respectively arranged on the two groove steel ring tracks, so that the structure is complex, and the use, operation and maintenance are inconvenient.

Therefore, the existing straw pulverizer needs to be improved necessarily, so that the stability of equipment operation and the convenience of use and maintenance when different straw objects are applied are met, and a reliable pulverizing effect and high efficiency are achieved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a straw pulverizer.

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

a straw pulverizer comprises a frame, a rotary drum combined wheel carrier, a rotary drum driving mechanism, a cutter bow, a rotary drum cutter set driving mechanism and a screen, wherein the rotary drum combined wheel carrier is arranged above the frame, the rotary drum is arranged on the rotary drum combined wheel carrier, and the rotary drum driving mechanism is arranged above the frame; a knife bow is arranged in the lower part of the rotary drum and is arranged on the inner side of an upper beam of the rack; a roller knife group is arranged on the rack below the rotary drum and is driven by a roller knife group driving mechanism arranged on the rack; and a screen is arranged below the roller knife group and is arranged below the upper cross beam of the frame.

The rotary drum is an inverted cone-shaped drum, and the upper opening of the rotary drum is designed to be large and is suitable for feeding and blanking; the lower opening is designed to be small, so that the materials are closer to the area of the rotary drum cutter group, and the crushing effect is improved; the cylinder body is externally provided with an annular groove steel ring track, and the outer ring of the annular groove steel ring track is provided with teeth matched with a chain of the rotary drum driving mechanism.

The roller cutter set comprises a main shaft, a main shaft bearing seat, cutter heads, cutter bars, a hammer sheet mounting frame, hammer sheets and bolts, wherein the two ends of the main shaft are mounted on the frame through the main shaft bearing seat, a plurality of groups of cutter heads are arranged on the main shaft, a plurality of groups of cutter bars are arranged between the cutter heads, a plurality of groups of hammer sheet mounting frames are axially arranged on the cutter bars, and the hammer sheets are mounted on the hammer sheet mounting frame through the bolts.

Connecting flanges are arranged at two ends of the cutter bow, waist-shaped mounting holes are formed in the connecting flanges, and the upper position and the lower position of the cutter bow can be adjusted when the cutter bow is mounted.

A main shaft bearing seat rack is arranged below the main shaft bearing seats at the two ends of the main shaft, the main shaft bearing seat rack comprises a rack body, a rubber and plastic composite block, a pressure rod bolt, a pressure rod nut and a pressure rod rack, the rack body is of a frame structure, the rack body is arranged on lower cross beams at the two ends of the rack, and the rubber and plastic composite block is arranged on the bottom surface of the rack body; a main shaft bearing seat is arranged in the middle of the upper surface of the rack body, and a pressure rod rack are arranged at two ends of the upper surface of the rack body; the pressure bar frame is installed in the frame side, is equipped with two decurrent pressure bar bolts in every pressure bar frame, threaded connection between pressure bar bolt and the pressure bar frame, and the pressure bar bolt is located the four corners of rack body upper surface, and pressure bar bolt bottom surface and rack body upper surface contact compress tightly, use the depression bar nut and sticis the pressure bar bolt after adjusting rack body level.

The screen comprises a screen support, a screen strip and a screen flange, wherein the screen support is a group of semicircular rings, and through holes are uniformly distributed on each circular ring surface; the screen mesh strip is in a round rod shape and is uniformly inserted into the through hole of the screen mesh bracket; the screen mesh flanges are arranged at two ends of the screen mesh support and connected with the screen mesh support, mounting through holes are formed in the surfaces of the screen mesh flanges, and the screen mesh is fixed below an upper cross beam of the rack by bolts at the screen mesh flanges.

The rotary drum combined wheel carrier comprises a wheel carrier body, a supporting wheel supporting plate, a supporting wheel shaft, a supporting wheel, a wheel blocking bracket, a wheel blocking shaft, a wheel blocking, a pressing wheel supporting plate, a pressing wheel shaft and a pressing wheel; a supporting wheel supporting plate is arranged on the vertical cylindrical surface in the middle of the wheel frame body, a supporting wheel shaft which is horizontally placed is arranged on the supporting wheel supporting plate, and a supporting wheel is arranged at one end of the supporting wheel shaft; two sides of the vertical column surface in the middle of the wheel frame body are symmetrically provided with wheel blocking supports, one end of each wheel blocking support is provided with a wheel blocking shaft which is vertically arranged, and the wheel blocking shaft is provided with a wheel blocking; a pinch roller supporting plate is arranged above the wheel frame body, a pinch roller shaft which is horizontally placed is arranged on the pinch roller supporting plate, a pinch roller is arranged at one end of the pinch roller shaft, and the pinch roller and the supporting wheel are arranged in a vertically corresponding mode; the wheel carrier bodies are uniformly arranged at four corners of the upper plane of the frame of the straw pulverizer, the supporting wheels are arranged on the bottom surface of an annular groove steel ring track outside the rotary drum, the pressing wheel is arranged on the top surface of the annular groove steel ring track, the blocking wheels are arranged on the side surfaces of the annular groove steel ring track, and the rotary drum rotates under the support of the supporting wheels and the limitation of the blocking wheels and the pressing wheel.

The invention has the beneficial effects that:

the inverted cone design of the drum body is adopted, the crushing effect is improved, and the overall visual appearance is attractive.

Adopt the design of hammer leaf mounting bracket, when needing local change hammer leaf, only need loosen the bolt on the hammer leaf mounting bracket just can quick replacement hammer leaf, need not take whole cutter arbor out, very big convenience of customers uses.

The adoption can dismantle the screen cloth, and bayonet screen cloth strip realizes quick adjustment mesh size to adapt to the application needs to different crushing materials.

The balance of the bearing seat is adjusted by the aid of the double-pressure-bar bolt, residual vibration is absorbed by the aid of the rubber and plastic composite block, noise is reduced, normal operation of equipment is guaranteed, and noise reduction of a working environment is achieved.

The design of a rotary drum combined wheel carrier is adopted, the supporting of a riding wheel and the limitation of a blocking wheel and a pressing wheel are utilized, an annular groove steel ring track is arranged outside the rotary drum, and the straw pulverizer is simplified in structure and convenient to use and maintain.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a bottom view of fig. 1.

FIG. 3 is a schematic view of a combination structure of a frame, a drum combination wheel frame, a knife bow, a drum knife group, a main shaft bearing seat rack and a screen in the embodiment of the invention.

FIG. 4 is a schematic view of the structure of the drum according to the embodiment of the present invention.

Fig. 5 is a schematic view of a cylinder knife group assembly structure according to an embodiment of the present invention.

Fig. 6 is a schematic view of a combined structure of the hammer mounting bracket and the hammer in the embodiment of the invention.

FIG. 7 is a schematic view of a knife bow according to an embodiment of the present invention.

Fig. 8 is a schematic view of a spindle bearing pedestal assembly according to an embodiment of the present invention.

FIG. 9 is a schematic diagram of a screen assembly according to an embodiment of the present invention.

FIG. 10 is a schematic view of an assembly structure of the wheel frame of the drum assembly according to the embodiment of the present invention.

In the figure: 1-frame, 2-revolving drum combined wheel frame, 21-wheel frame body, 22-riding wheel, 23-riding wheel shaft, 24-riding wheel supporting plate, 25-pressing wheel, 26-pressing wheel shaft, 27-pressing wheel supporting plate, 28-wheel blocking bracket, 29-wheel blocking shaft, 210-wheel blocking, 3-revolving drum driving mechanism, 4-revolving drum, 41-annular groove steel ring track, 5-cutter bow, 51-connecting flange, 52-waist-shaped mounting hole, 6-screen, 61-screen bracket, 611-through hole, 62-screen strip, 63-screen flange, 631-mounting through hole, 7-revolving drum cutter group driving mechanism, 8-revolving drum cutter group, 81-main shaft, 82-main shaft bearing seat, 83-cutter head, 84-cutter bar, 85-hammer piece mounting rack, 86-hammer piece, 87-bolt, 9-main shaft bearing seat rack, 91-rack body, 92-rubber-plastic composite block, 93-pressure rod rack, 94-pressure rod bolt and 95-pressure rod nut.

Detailed Description

The technical scheme of the invention is further explained in detail by combining the embodiment and the attached drawings:

referring to fig. 1, 2 and 3, the straw pulverizer comprises a frame 1, a rotary drum combined wheel frame 2, a rotary drum driving mechanism 3, a rotary drum 4, a cutter bow 5, a screen 6, a rotary drum cutter group driving mechanism 7, a rotary drum cutter group 8 and a main shaft bearing seat rack 9, wherein the rotary drum combined wheel frame 2 is arranged above the frame 1, the rotary drum 4 is arranged on the rotary drum combined wheel frame 2, and the rotary drum driving mechanism 3 is arranged above the frame 1; a knife bow 5 is arranged in the lower part of the rotary drum 4, and the knife bow 5 is arranged on the inner side of an upper beam of the frame 1; a roller knife group 8 is arranged on the rack 1 below the rotary drum 4, and the roller knife group 8 is driven by a roller knife group driving mechanism 7 arranged on the rack 1; a screen 6 is arranged below the roller knife group 8, and the screen 6 is arranged below the upper cross beam of the frame 1.

As shown in fig. 1, 2, and 4, the rotating drum 4 is an inverted cone-shaped drum, an annular groove steel ring track 41 is arranged outside the drum, and teeth arranged on an outer ring of the annular groove steel ring track 41 are matched with a chain of the rotating drum driving mechanism 3.

As shown in fig. 1, fig. 2, fig. 3, fig. 5, and fig. 6, drum knife tackle 8 includes main shaft 81, main shaft bearing seat 82, blade disc 83, cutter arbor 84, hammer leaf mounting bracket 85, hammer leaf 86 and bolt 87, main shaft 81 installs on frame 1 through main shaft bearing seat 82 in both ends, is equipped with five groups of blade discs 83 on main shaft 81, is equipped with three groups of cutter arbor 84 between blade disc 83, and every group of cutter arbor 84 axial is equipped with eight groups of hammer leaf mounting brackets 85, and hammer leaf 86 passes through bolt 87 to be installed on hammer leaf mounting bracket 85.

As shown in fig. 1, 2, 3 and 7, the blade holder 5 has connecting flanges 51 at both ends thereof, and the connecting flanges 51 have waist-shaped mounting holes 52.

As shown in fig. 1, 3 and 8, a main shaft bearing seat rack 9 is arranged below the main shaft bearing seats 82 at two ends of the main shaft 81, the main shaft bearing seat rack 9 comprises a rack body 91, a rubber-plastic composite block 92, a pressure rod rack 93, a pressure rod bolt 94 and a pressure rod nut 95, the rack body 91 is of a frame structure, the rack body 91 is arranged on the lower cross beams at two ends of the frame 1, and the rubber-plastic composite block 92 is arranged on the bottom surface of the rack body 91; the middle of the upper surface of the stand body 91 is provided with a main shaft bearing seat 82, and two ends of the upper surface of the stand body 91 are provided with a pressure lever frame 93, a pressure lever bolt 94 and a pressure lever nut 95; the pressure bar frame 93 is arranged on the side face of the machine frame 1, two downward pressure bar bolts 94 are arranged in each pressure bar frame 93, the pressure bar bolts 94 are in threaded connection with the pressure bar frame 93, the pressure bar bolts 94 are located at four corners of the upper surface of the rack body 91, the bottom surface of each pressure bar bolt 94 is in contact with the upper surface of the rack body 91 and is pressed tightly, and a pressure bar nut 95 is used for pressing each pressure bar bolt 94 after the rack body 91 is adjusted to be horizontal.

As shown in fig. 1, 2, 3, and 9, the screen 6 includes a screen support 61, a screen strip 62, and a screen flange 63, the screen support 61 is a set of semicircular rings, and each ring surface is provided with through holes 611 uniformly distributed; the screen strips 62 are in the shape of round rods, and the screen strips 62 are uniformly inserted into the through holes 611 of the screen support 61; the screen flanges 63 are disposed at both ends of the screen support 61 and connected to the screen supports, and mounting through holes 631 are disposed on the surfaces of the screen flanges 63.

As shown in fig. 1, 2, 3, and 10, the rotating drum combination wheel carrier 2 includes a wheel carrier body 21, a supporting wheel 22, a supporting wheel shaft 23, a supporting wheel supporting plate 24, a pressing wheel 25, a pressing wheel shaft 26, a pressing wheel supporting plate 27, a wheel blocking bracket 28, a wheel blocking shaft 29, and a wheel blocking 210; a supporting roller supporting plate 24 is arranged on the vertical cylindrical surface in the middle of the wheel frame body 21, a supporting roller shaft 23 which is horizontally arranged is arranged on the supporting roller supporting plate 24, and a supporting roller 22 is arranged at one end of the supporting roller shaft 23; two sides of the middle vertical column surface of the wheel frame body 21 are symmetrically provided with wheel blocking brackets 28, one end of each wheel blocking bracket 28 is provided with a wheel blocking shaft 29 which is vertically arranged, and the wheel blocking shaft 29 is provided with a wheel blocking 210; a pinch roller supporting plate 27 is arranged above the wheel frame body 21, a pinch roller shaft 26 which is horizontally arranged is arranged on the pinch roller supporting plate 27, a pinch roller 25 is arranged at one end of the pinch roller shaft 26, and a pinch roller 25 wheel and the riding wheel 2 are arranged in a vertically corresponding mode; the wheel frame body 21 is uniformly arranged at four corners of the upper plane of the straw pulverizer frame 1, the supporting wheel 11 is arranged at the bottom surface of an annular groove steel ring track 41 outside the rotary drum 4, the pressing wheel 25 is arranged at the top surface of the annular groove steel ring track 41, and the blocking wheel 210 is arranged at the side surface of the annular groove steel ring track 41.

While the foregoing is directed to the preferred embodiment of the present invention, it is noted that various changes and modifications may be made herein by one of ordinary skill in the art without departing from the principles of the invention, and it is intended to be covered thereby.