CN115889391A - A kind of wheat straw pulverizing device and using method - Google Patents

Abstract

The present invention relates to the technical field of agricultural machinery, especially a wheat straw crushing device and its use method. Aiming at the existing problems, the following scheme is proposed, which includes a crushing mechanism, a mounting frame and a mixing box installed on the mounting frame. The crushing mechanism is used to crush the straw and transport it into the stirring box, the stirring shaft is installed in the stirring box, and the discharge unit is installed at the bottom of the stirring box, and the straw for discharging the discharge unit is installed on the mounting frame Forming mechanism for powder compaction, the forming mechanism is located directly below the discharge unit. The present invention can not only effectively avoid the phenomenon of dust in the straw crushing process, but also can conveniently press the straw powder into a column shape, thereby facilitating the subsequent collection and utilization of the straw powder, and also avoiding the fire hazard caused by the fluffy stacked straw powder .

Description

A kind of wheat straw pulverizing device and using method

technical field

The invention relates to the field of agricultural machinery, in particular to a wheat straw crushing device and a using method.

Background technique

As a large agricultural country, China is rich in straw resources. The total amount of crop straw is about 9×10 ⁸ t every year, accounting for about 30% of the world's total straw, and China is the world's largest straw country. Because it is rich in a large amount of organic matter and nitrogen, phosphorus, potassium and other trace elements necessary for crop growth, the huge amount of straw has become a valuable resource that cannot be ignored for the sustainable development of agriculture in our country. Straw returning has the advantages of improving soil physical and chemical properties, increasing soil microbial activity, increasing nitrogen use efficiency and crop yield, and is an effective measure to improve soil fertility and maintain crop productivity in agricultural ecosystems. In recent years, with the large-scale popularization and application of straw returning, the soil structure and soil fertility of straw returning areas have undergone great changes. However, due to the imperfect supporting technology and improper operation of straw returning to the field, there are still problems in the actual production of this technology, such as low wheat seedling emergence rate, low seedling quality, and difficulty in forming strong seedlings to survive the winter safely. At present, common harvesters have the function of crushing straw. When harvesting wheat, they will also crush the straw and then discharge it to the field. However, when the harvester discharges the crushed straw, the common way is to use the wind to crush the straw The straw is blown out from the discharge pipe, which will bring a lot of dust, which will affect the construction personnel, and the random discharge of broken straw will not be conducive to the subsequent evenly spread in the field, thus affecting the subsequent treatment. bring some difficulty.

In addition, the straw powder in the form of debris is not only easy to be blown up by the wind, but also easy to cause fire, which brings certain hidden dangers. For this reason, this program proposes a wheat straw pulverizing device and using method.

Contents of the invention

The invention proposes a wheat straw crushing device and a use method thereof, which solve the problems that the straw powder in the prior art is likely to cause dust and uneven spreading of the straw powder.

In order to achieve the above object, the present invention adopts the following technical solutions:

A device and method for crushing and returning wheat straw to the field, including a crushing mechanism, a mounting frame, and a mixing box installed on the mounting frame. The crushing mechanism is used to crush straw and transport it to the stirring box. A stirring shaft, and a discharging unit is installed at the bottom of the stirring box, and a forming mechanism for pressing and molding the straw powder discharged from the discharging unit is installed on the mounting frame, and the forming mechanism is located directly below the discharging unit;

The discharge unit includes a fixed pipe fixed at the bottom of the stirring tank, a connecting pipe rotatably connected to the bottom of the fixed pipe, and a movable pipe movably sleeved outside the fixed pipe. A screw shaft is installed at the bottom of the stirring shaft, and the screw shaft extends to inside the connecting tube.

The molding mechanism includes a mounting tube installed and connected to the mounting frame, a plurality of forming components mounted on the outer periphery of the mounting tube, a fixed column fixed on the mounting frame, a fixed table fixed on the mounting frame, and a fixed frame on the outer ring of the fixed table. The fixed ring, the molding assembly includes a fixed pattern plate fixed on the outer circumference of the installation cylinder, a movable pattern plate mounted on the fixed pattern plate through an elastic member, and a roller installed on the outer ring of the movable pattern plate, the fixed pattern plate and the movable pattern plate The templates are combined into a cylindrical molding space, and the fixing table is located directly below the molding assembly to seal the bottom of the molding space when the straw is squeezed. Both the fixing table and the fixing ring are provided with gaps an incomplete circular ring, and both ends of the notch of the fixing ring are provided with inclined surfaces, the fixing column is located inside the installation cylinder, and a pressing unit is installed on the fixing column;

The pressing unit includes a movable ring movably sleeved on the outside of the fixed column, a mounting plate fixed on the movable ring, an extruding assembly mounted on the mounting plate, and a telescopic device for driving the movable ring to move axially along the fixed column. The movable pipe and the movable ring are connected by a connecting piece, so as to input the straw powder into one of the forming spaces and squeeze the straw powder in the previous forming space at the same time.

Through the above-mentioned technical scheme, not only can effectively avoid the dust phenomenon that occurs during the straw crushing process, but also can conveniently press the straw powder into a column shape, thereby facilitating the subsequent collection and utilization of the straw powder, and avoiding the impact of fluffy stacked straw powder. fire hazard.

As a further improvement of the above scheme, a plurality of stirring blades are fixed on the outer periphery of the stirring shaft, and the axis of the fixed tube of the screw shaft coincides with the axis, the connecting tube and the fixing tube are arranged coaxially, and the bottom of the screw shaft is fixed to the There is a connecting block, and one end of the connecting block is fixedly connected to the inner wall of the connecting pipe. The connecting piece includes a connecting plate fixed on the outer periphery of the movable ring and a mounting ring movably sleeved on the outer periphery of the movable pipe. The mounting ring is connected to the movable pipe in rotation. One end of the connecting plate is fixed on the outer ring of the mounting ring.

Through the above technical scheme, the straw powder can be sent out from the movable tube by means of the thrust brought by the rotation of the screw shaft when discharging, and the straw powder in the mixing box can also be stirred while the screw shaft is rotating. When the rotation is stopped, the discharge stops.

As a further improvement of the above solution, the elastic member includes two fixed rods fixed on the outer walls on both sides of the movable plate, two springs respectively sleeved on the outside of the two fixed rods and two springs respectively sleeved on the outer limits of the two fixed rods. One end of the two limit plates is fixed to the outer walls of both sides of the fixed plate, the spring is located on the side of the limit plate close to the fixed plate, and one end of the spring is fixed to the outer wall of the fixed plate, and the spring The other end is fixedly connected with one end of the fixed rod, and the other end of the fixed rod is fixed with a limit block.

Through the above technical scheme, after the caster is out of contact with the fixed ring, the fixed plate and the movable plate can be automatically separated, so that the columnar straw powder formed between the fixed plate and the movable plate can automatically fall come out.

As a further improvement of the above solution, the extrusion assembly includes a fixed shaft rotatably connected to the mounting plate, a threaded column fixed at the bottom of the fixed shaft, a threaded sleeve threaded on the outside of the threaded column, and a pressure plate fixed at the bottom of the threaded sleeve , the bottom of the fixed shaft extends below the mounting plate, a drive member for driving the fixed shaft to rotate is installed on the fixed column, and a stopper for limiting the rotation of the threaded sleeve is installed on the mounting plate.

Through the above technical scheme, the straw powder in the molding space can be squeezed and molded during the descending process of the movable ring, so as to achieve the purpose of inputting materials into one of the molding spaces and at the same time feeding the other molding space with root powder. The straw powder inside is pressed.

As a further improvement of the above solution, the driving member includes an abutment plate fixed on the outer wall of the fixed column, a fixed gear fixed on the top of the fixed shaft, and a transmission rack that slides on the top of the mounting plate and meshes with the fixed gear. The abutment plate is a right-angled triangle structure, and the inclination of the abutment plate is upward. The inclination of the abutment plate is provided with a chute extending along its length. One end of the transmission rack extends into the chute and slides with it.

Through the above-mentioned technical scheme, the threaded column can be driven to catch the lane while the mounting plate is raised and lowered, thereby achieving the purpose of enlarging the stroke of the pressing plate.

As a further improvement of the above scheme, the fixing column is equipped with a knocking mechanism for knocking the molding assembly when filling the molding space formed by the molding assembly with straw powder, and the knocking mechanism includes The installation rod, the linkage gear connected to the installation rod by rotation, the swing arm fixed on the round surface of the linkage gear, the knocking ball fixed on one end of the swing arm and the ball installed on the outside of the fixed column for driving the linkage gear to reciprocate Transmission Parts.

Through the above technical proposal, the straw powder can be knocked into the forming space while transporting the straw powder into the forming space, so that the straw powder in the forming space can be filled more compactly.

As a further improvement of the above solution, the transmission part includes a transmission shaft installed on the outer wall of the fixed column, a telescopic rod installed on the outer wall of the fixed column, a fixed frame fixed on the movable end of the telescopic rod, and a linkage fixed at the bottom of the fixed frame. rack, the bottom of the drive shaft is fixed with a runner, and a toggle column is fixed at a position where the belt surface of the runner deviates from the center of the circle, and one end of the toggle column extends to the inside of the fixed frame, and the length of the inner side of the fixed frame is longer than the rotation The diameter of the wheel, the inner width of the fixed frame is the same as the diameter of the toggle column, and a linkage is rotated on the fixed column to drive the transmission shaft to rotate when filling the molding space with straw powder.

Through the above technical solution, the swing arm can be driven to swing continuously by driving the linkage gear to rotate back and forth, so that the knocking ball hits the outer wall of the fixed pattern plate.

As a further improvement of the above solution, the linkage includes a movable column rotatably connected to the movable ring, a fixed cylinder movably sleeved outside the movable column, and a connecting gear sleeved on the outer periphery of the fixed cylinder. The top of the fixed cylinder is connected to the The bottom surface of the mixing box is connected by rotation, and the outside of the connecting pipe is sleeved with a transmission gear that meshes with the connecting gear. The bottom of the movable column is equipped with a driving bevel gear, and the top of the transmission shaft is equipped with a driving bevel gear that matches the driving bevel gear. driven bevel gear.

Through the above technical solution, the rotation of the connecting pipe can be used to drive the transmission shaft to rotate, and then drive the fixed frame to reciprocate.

As a further improvement of the above scheme, a storage tank is installed on the top of the mixing tank, a water outlet pipe is installed on the top inner wall of the mixing tank, and a plurality of nozzles are installed on the bottom surface of the water outlet pipe, and a water pump is installed on the storage tank for use. It is used to transfer the moisture in the storage tank to the mixing tank.

Through the above technical solution, the straw powder can be humidified when its water content is very low, and the straw powder can be combined more tightly during subsequent pressing and molding.

A method for using a wheat straw crushing device, comprising the following steps:

Step 1, pulverizing the wheat straw and putting it into the mixing box;

Step 2: Sprinkle water into the mixing box to make the water evenly mixed in the straw powder;

Step 3, sequentially input the stirred straw powder into the forming mechanism for pressing and forming;

Step 4: Discharge the formed straw from the forming mechanism, and collect it in a concentrated manner.

Compared with the prior art, the beneficial effects of the present invention are:

1. Through the cooperation between the discharge unit and the forming mechanism, the crushed straw can be sprayed and wetted in turn before pressing and forming, so as to avoid the phenomenon of powdery straw from raising dust, and it is also convenient for subsequent processing of the crushed straw Centralized collection is carried out, and the compressed straw powder has a relatively fine internal space, so it also has a good fire prevention effect, so that it will not easily cause a fire.

2. Through the setting of the beating mechanism, it is possible to continuously beat the forming component while filling the new space formed by the forming component with straw powder, so that the filling of the straw powder is more compact.

3. Through the cooperation between the fixed ring, the fixed table and the forming components, when the caster is pressed against the inner wall of the fixed ring, the fixed type plate and the movable type plate can be tightly combined together. When the caster is separated from the fixed ring After contact, under the action of elastic parts, the fixed plate and the movable plate are separated, and the straw powder pressed and formed in the forming space can fall out of the forming space, so as to realize the purpose of automatic feeding.

Description of drawings

Fig. 1 is the front sectional view of the present invention;

Fig. 2 is the structural representation of forming mechanism in Fig. 1;

Fig. 3 is the structural representation of discharging unit in Fig. 1;

Fig. 4 is a schematic structural diagram of the pressing unit in Fig. 1;

Fig. 5 is a top view of the fixing ring, the fixing table and the pressing mechanism in Fig. 1;

Fig. 6 is the enlarged view of place A in Fig. 1;

Fig. 7 is a schematic structural diagram of the crushing mechanism in Fig. 1 .

Description of main symbols:

1. Mounting frame; 2. Stirring box; 3. Stirring shaft; 4. Spiral shaft; 5. Movable tube; 6. Fixed column; 7. Movable ring; 8. Fixed ring; 9. Fixed platform; 10. Installation cylinder; 11, driven gear; 12, limit plate; 13, roller; 14, movable plate; 15, fixed plate; 16, fixed rod; 17, crushing bucket; 18, storage box; 19, outlet pipe; 20, Fixed pipe; 21, transmission gear; 22, connecting pipe; 23, installation ring; 24, movable column; 25, fixed cylinder; 26, connecting gear; 27, telescopic piece; 28, fixed shaft; Drive rack; 31, abutment plate; 32, mounting plate; 33, limit sleeve; 34, limit column; 35, pressure plate; 36, thread sleeve; 37, thread column; 38, runner; 39, telescopic rod 40, transmission shaft; 41, fixed frame; 42, linkage rack; 43, linkage gear; 44, knocking ball; 45, swing arm; 46, installation rod; 47, crushing roller.

Detailed ways

Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .

Example 1:

Please combine Figures 1-5 and 7, a wheat straw crushing device in this embodiment includes a crushing mechanism, a mounting frame 1 and a mixing box 2 installed on the mounting frame 1, the top of the stirring box is provided with a feeding port, and the crushing mechanism For crushing straw and transporting it into the mixing box 2, the crushing mechanism includes a crushing bucket 17, two crushing rollers 47 installed inside the crushing bucket 17 and a motor mounted on the crushing bucket 17 for driving the two crushing rollers 47 to rotate A discharge pipe is installed at the bottom of one side of the crushing bucket 17, and the other end of the discharge pipe extends to the inside of the mixing box 2 through the feed inlet.

Stirring shaft 3 is installed in the stirring box 2, and the bottom of stirring box 3 is equipped with a discharge unit, the top of the stirring box 2 is equipped with a stirring motor for driving the stirring shaft 3 to rotate, and is installed on the mounting frame 1 for the discharge unit The discharged straw powder is pressed into a molding mechanism. The molding mechanism is located directly below the discharge unit. The discharge unit includes a fixed pipe 20 fixed at the bottom of the mixing box 2, a connecting pipe 20 connected to the bottom of the fixed pipe 20 by rotation, and a movable sleeve on the The movable pipe 5 outside the fixed pipe 20 has a screw shaft 4 installed at the bottom of the stirring shaft, and the screw shaft 4 extends into the connecting pipe 20. The outer periphery of the stirring shaft 3 is fixed with a plurality of stirring blades, which are fixed to the center of the screw shaft 4. The axes of the tubes 20 coincide, the connecting tube 22 is coaxially arranged with the fixed tube 20, the bottom of the screw shaft 4 is fixedly connected with a connecting block, and one end of the connecting block is fixedly connected with the inner wall of the connecting tube 22, when the stirring shaft 3 rotates, It will drive the screw shaft to rotate, so that the straw powder in the mixing box 2 can be transported into the fixed pipe 20, thereby effectively preventing the fixed pipe from being blocked. The setting of the connecting block makes the rotating shaft 4 rotate while driving the connecting pipe 22. , and the top of the connection block is an isosceles triangle structure, which can effectively prevent the powder from being blocked by the connection block and cannot fall smoothly.

The molding mechanism includes a mounting cylinder 10 installed and connected on the mounting frame 1, a plurality of molding components installed on the periphery of the mounting cylinder 10, a fixed column 6 fixed on the mounting frame 1, a fixed table 9 fixed on the mounting frame 1 and a fixed On the fixed ring 8 of the outer ring of the fixed table 9, the mounting frame 1 is installed with a driving motor, and one end of the output shaft of the driving motor is fixed with a driving gear, and the outer part of the mounting cylinder 10 is sleeved with a driven gear meshing with the driving gear. , thereby relying on the rotation of the driving motor to drive the installation cylinder 10 to rotate, the forming assembly includes a fixed pattern plate 15 fixed on the outer periphery of the installation cylinder 10, a movable pattern plate 14 mounted on the fixed pattern plate 15 through an elastic member, and a movable pattern plate installed on the movable pattern plate 14 The roller 13 of the outer ring, the fixed type plate 15 and the movable type plate 14 are combined into a cylindrical molding space, and the fixed table 9 is located directly below the molding assembly to block the bottom of the molding space when squeezing the straw , both the fixed platform 9 and the fixed ring 8 are incomplete circular rings with gaps, and both ends of the gap of the fixed ring 8 are provided with slopes, the setting of the slopes is convenient for the casters to touch the edge of the gap of the fixed ring 8 Go into the inner ring of the fixed ring 8, the fixed column 6 is located inside the installation cylinder 10, and the pressing unit is installed on the fixed column 6, when the forming component is rotated to the top of the fixed table 9, the movable plate 14 and the fixed The bottom of the template 15 all abuts against the top surface of the fixed platform 3, and the castor 13 is also pressed against the inner ring of the fixed ring 8, so that the movable template 14 and the fixed template 15 are closed together.

The elastic member includes two fixed rods 16 fixed on the outer walls of the movable type plate 14, two springs respectively sleeved on the outside of the two fixed rods 16 and two outer limit plates 12 respectively sleeved on the two fixed rods 16. One end of each limiting plate 12 is affixed to the both sides outer walls of the fixed pattern plate 15 respectively, and the spring is positioned at the side of the limiting plate 12 close to the fixed pattern plate 15, and one end of the spring is affixed to the outer wall of the fixed pattern plate 15, and the spring The other end of the fixed rod 16 is affixed to the other end of the fixed rod 16, and the other end of the fixed rod 16 is fixed with a limit block. The elastic member is arranged so that when the caster 13 abuts against the inner ring of the fixed ring 8, the spring is in a compressed state. And this moment movable type plate 14 and fixed type plate 15 also close together, after caster 13 and fixed ring 8 break away from contact, then spring restores deformation, makes movable type plate 14 and fixed type plate 15 separate, at this moment is in activity The compressed straw powder between the template 14 and the fixed template 15 can fall out from the molding space of the molding assembly, so as to achieve the purpose of automatic blanking.

The pressing unit includes a movable ring 7 that is movably sleeved on the outside of the fixed column 6, a mounting plate 32 fixed on the movable ring 7, an extruding assembly mounted on the mounting plate 32, and is used to drive the movable ring 7 along the fixed column 6. A telescopic part 27 that moves axially. The telescopic part 27 is an electric telescopic rod. The extruding assembly includes a fixed shaft 28 that is rotatably connected to the mounting plate 32, a threaded column 37 fixed at the bottom of the fixed shaft 28, and a screw threaded on the threaded column 37. The external threaded sleeve 36 and the pressure plate 35 fixed on the bottom of the threaded sleeve 36, the bottom of the fixed shaft 28 extends to the bottom of the mounting plate 32, the inner wall of the threaded sleeve 36 is provided with an internal thread that matches the threaded column, and it is useful to install on the fixed column 6. The driving member that drives the fixed shaft 28 to rotate, the limit piece that limits the rotation of the threaded sleeve 36 is installed on the mounting plate 32, the limit piece includes a limit column 34 fixed on the bottom of the installation plate 32 and a movable sleeve set on the limit column 34 The outer limit sleeve 33, the outer wall of one side of the limit sleeve 33 is affixed to the outer wall of the threaded sleeve 36, and the setting of the limiter allows the threaded sleeve 36 to move along the axial direction of the threaded column 37 under the rotation of the threaded column 37 .

The driving member includes an abutment plate 31 fixed on the outer wall of the fixed column 6, a fixed gear 29 fixed on the top of the fixed shaft 28, and a drive rack 30 slid on the top of the mounting plate 32 and meshed with the fixed gear 29. The abutment plate 31 is a right-angled triangle structure, and the slope of the abutment plate 31 is inclined upwards. The slope of the abutment plate 31 is provided with a chute extending along its length. The outer walls of the long sides on both sides of the groove are provided with limiting grooves arranged along its length direction. One end of the drive rack 30 located in the chute is fixed with a limiting block, and the two ends of the limiting block extend into the two limiting grooves respectively. , and slidingly connected with the two limiting grooves, the setting of the limiting groove and the limiting block enables the transmission rack 30 to move along the inclined direction of the chute without withdrawing from the inside of the chute.

The movable pipe 5 and the movable ring 7 are connected by a connecting piece, so that when the straw powder is input into one of the forming spaces, the straw powder in the previous forming space is extruded. The connecting plate and the movable sleeve are set on the mounting ring 23 of the movable pipe 5 periphery, the mounting ring 23 is connected with the movable pipe 5 in rotation, and an end of the connecting plate is fixed on the outer ring of the mounting ring 23.

The implementation principle in this embodiment is: put the wheat straw into the crushing bucket 17 to crush it and then discharge it into the mixing box 2, start the drive motor, and the drive motor rotates intermittently to drive the installation cylinder 10 to rotate intermittently, so as to sequentially The molding assembly rotates to the right below the material storage unit. Whenever a molding assembly rotates to the right below the movable tube 5, the telescopic member 27 is opened and extended to drive the movable ring 7 to descend. After the movable ring 7 descends, the installation ring 23 and the movable ring 7 can be driven. The mounting plate 32 descends synchronously, and the descending of the mounting ring 23 will drive the movable pipe 25 to descend, so that the movable pipe 5 gradually enters the molding space of the molding assembly downward, and then starts the stirring motor to drive the stirring shaft 3 Rotate, so as to stir the straw powder in the mixing box 2, and at the same time, the screw shaft 4 rotates synchronously with the stirring shaft 3, so that the straw powder in the mixing box 2 can be transported to the fixed pipe 20, and finally the straw powder is connected to the The pipe 22 and the movable pipe 5 are discharged and fall into the inside of the molding space. When the molding space is filled, the telescopic member 27 shrinks again, thereby moving the movable pipe 5 to the outside of the molding space, and then the drive motor rotates again. Thereby turning the molding assembly containing the straw powder to just below the pressing assembly;

When the mounting plate 32 descends, it will drive the pressing assembly down, so that the fixed column 28 and the threaded column 27 will move down synchronously with it. The inclined surface slides, so that the transmission rack 30 gradually moves to the side away from the fixed column 3 in the process of falling with the mounting plate 32, and then drives the fixed gear 29 to rotate forward, and the fixed gear 29 drives the fixed shaft 28 to rotate, so that The threaded column 27 rotates forward, and under the restriction of the stopper, the threaded sleeve 36 moves down relative to the mounting plate 32 at this time, thereby further increasing the formation of the pressing plate 35, so that the straw powder filled in the forming space can be Stamping is carried out to make it form agglomerates under the action of pressure. After the stamping is completed, the mounting plate moves up simultaneously with the movable ring 7, while the transmission rack 30 moves along the slope of the abutting plate 31, and then follows the mounting plate 42 also gradually moves to the side close to the fixed column 6 in the process of moving up, thereby driving the fixed shaft 28 to reverse, and finally making the threaded sleeve 6 move up relative to the mounting plate 32;

After the stamping is finished, the drive motor drives the installation cylinder 10 to rotate again. After the installation cylinder 10 rotates once again, it will make the punched straw powder stick to the top surface of the fixed platform 9 and move to the gap of the fixed platform. The casters 13 on the forming assembly also move to the gap of the fixed ring 8, so that under the action of the elastic member, the fixed plate 15 and the movable plate 15 are separated, and the punched straw powder can fall out of the forming space. Falling.

Example 2:

With reference to Figures 1-3 and Figure 6, on the basis of Embodiment 1, this embodiment is further improved in that: the fixed column 6 is equipped with a device for beating the straw powder when filling the molding space formed by the molding assembly. The knocking mechanism of the molding assembly, the knocking mechanism comprises a mounting rod 46 installed on the outer wall of the fixed column 6, a linkage gear 43 that is rotatably connected to the mounting rod 46, a swing arm 45 fixed on a circular surface of the linkage gear 43, fixed on The knocking ball 44 at one end of the swing arm 45 and the transmission part installed on the outside of the fixed post 6 for driving the linkage gear 43 to reciprocate, the transmission part includes a transmission shaft 40 installed on the outer wall of the fixed post 6, and a transmission part installed on the outer wall of the fixed post 6. The telescopic rod 39, the fixed frame 41 that is fixed on the flexible end of the telescopic rod 39 and the linkage rack 42 that is fixed on the bottom of the fixed frame 41, the telescopic rod includes a connecting cylinder that is fixed on the outer wall of the fixed column 6 and is movably sleeved on the connecting cylinder The connecting column inside, one end of the connecting column extends to the outside of the connecting cylinder and is fixedly connected with the outer wall of the fixed frame 41, the connecting column can move along the axial direction of the connecting cylinder, the bottom of the transmission shaft 40 is fixed with a runner 38, and the runner 38 The position where the belt surface deviates from the center of the circle is fixed with a toggle column, and one end of the toggle column extends to the inside of the fixed frame 41, the inner length of the fixed frame 41 is greater than the diameter of the runner 38, and the width of the inner side of the fixed frame 41 is the same as the diameter of the toggle column. Similarly, the fixed column 6 is also rotated with a linkage for driving the transmission shaft 40 to rotate when filling the molding space with straw powder.

The linkage includes a movable column 24 that is rotatably connected to the movable ring 7, a fixed cylinder 25 that is movably sleeved outside the movable column 24, and a connecting gear 26 that is sleeved on the outer periphery of the fixed cylinder 25. The movable column 24 is a regular polygonal prism, and the fixed cylinder The inner ring of 25 coincides with the outer ring of the movable column 24, so that the movable column 24 can move axially along the fixed cylinder 25, and can also rotate following the rotation of the fixed cylinder 25, and the top of the fixed cylinder 25 and the bottom surface of the mixing box 2 rotate Connect, the outside of connecting pipe 22 is sleeved with transmission gear 21 meshed with connecting gear 26, the bottom of movable column 24 is equipped with driving bevel gear, and the top of transmission shaft 40 is equipped with driven bevel gear matched with driving bevel gear.

The working principle of this embodiment is: when the movable column 5 descends into the molding space, it will drive the movable column 24 to move down synchronously, and finally the movable column 5 stops descending after the driving bevel gear meshes with the driven bevel gear, and then the screw shaft 4 Rotation will drive the connecting pipe 22 to rotate, and the connecting pipe 22 will drive the connecting gear 26 to rotate, thereby driving the fixed cylinder 25 to rotate. After the fixed cylinder 25 rotates, it can drive the movable column 24 to rotate synchronously, thereby driving the transmission shaft 40 to rotate. After the transmission shaft 40 rotates, it drives the runner 38 to rotate, and the runner 38 rotates and then drives the fixed frame 41 to move left and right through the toggle column, so that the linkage rack 42 moves back and forth left and right, and the linkage gear 43 is driven to rotate back and forth after the linkage rack 42 moves , and finally make the swing arm swing continuously, so that the knocking ball 44 is used to continuously knock on the fixed plate 15 of the molding assembly to achieve the purpose of shaking the straw powder in the molding space. When the movable tube 5 rises, the knocking assembly It also stopped working.

Example 3:

In conjunction with Fig. 1, the further improvement of this embodiment on the basis of Embodiment 1-2 is: a storage tank 18 is installed on the top of the mixing box 2, and a water outlet pipe 19 is installed on the top inner wall of the mixing box 2, and the water outlet pipe 19 A plurality of shower nozzles are installed on the bottom surface, and a water pump is installed on the storage tank 18 to transport the moisture in the storage tank 18 to the mixing tank 2 .

The implementation principle of this embodiment is: by sprinkling water into the straw powder in the mixing box 2, the straw powder is humidified so that it can be bonded more tightly when it is pressed and formed, and the formed straw powder presents a columnar shape , It is convenient to collect each other, and when it is reused, you only need to smash it and return it to the soil.

Example 4:

With reference to Figures 1-7, a method for using a wheat straw crushing device in this embodiment includes the following steps:

Step 1, put the wheat straw into the crushing mechanism to crush it and then discharge it into the mixing box 2 through the discharge pipe;

Step 2. According to needs, start the water pump when the straw secretion needs to be humidified, so as to transport the water in the storage tank 18 to the outlet pipe 19, and finally spray the straw powder from the nozzle on the outlet pipe 19 to the straw powder. humidify;

Step 3: Input the stirred straw powder into the molding space of the molding mechanism through the discharge unit in sequence, and then turn the molding assembly containing the straw powder to the bottom of the pressing assembly for compression molding;

Step 4: With the rotation of the installation cylinder 10, when the molding assembly containing the pressed straw powder moves to the gap of the fixed table 9, the fixed template 15 and the movable template 14 are separated under the action of the elastic assembly, In this way, the formed straw is discharged from the pressing mechanism to achieve the purpose of automatic feeding, and finally the formed columnar straw powder is collected and piled up, and when it is used again, you only need to break it Return it to the soil.

The above-mentioned embodiment is only a preferred embodiment of the present invention, and cannot be used to limit the protection scope of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims (10)

1. A wheat straw smashing device comprises a smashing mechanism, a mounting frame and a stirring box mounted on the mounting frame, and is characterized in that the smashing mechanism is used for smashing straws and conveying the straws into the stirring box, a stirring shaft is mounted in the stirring box, a discharging unit is mounted at the bottom of the stirring box, a forming mechanism used for pressing and forming straw powder discharged by the discharging unit is mounted on the mounting frame, and the forming mechanism is located under the discharging unit;

the discharging unit comprises a fixed pipe fixed at the bottom of the stirring box, a connecting pipe rotatably connected to the bottom of the fixed pipe, and a movable pipe movably sleeved outside the fixed pipe, wherein a spiral shaft is installed at the bottom of the stirring shaft, and the spiral shaft extends into the connecting pipe.

The forming mechanism comprises an installation barrel, a plurality of forming assemblies, fixed columns, a fixed table and a fixed ring, wherein the installation barrel is installed on the installation frame, the forming assemblies are installed on the periphery of the installation barrel, the fixed columns are fixed on the installation frame, the fixed table is fixed on the installation frame, the fixed ring is fixed on the outer ring of the fixed table, the forming assemblies comprise fixed plates fixed on the periphery of the installation barrel, movable plates installed on the fixed plates through elastic pieces and rollers installed on the outer rings of the movable plates, the fixed plates and the movable plates are combined into a cylindrical forming space, the fixed table is located under the forming assemblies and used for sealing and blocking the bottom of the forming space when straws are extruded, the fixed table and the fixed ring are both incomplete rings with notches, inclined planes are arranged at two ends of the notches of the fixed ring, the fixed columns are located on the inner side of the installation barrel, and pressing units are installed on the fixed columns;

the pressing unit comprises a movable ring, a mounting plate, an extrusion assembly and a telescopic piece, wherein the movable ring is movably sleeved outside the fixed column, the mounting plate is fixedly mounted on the movable ring, the extrusion assembly is mounted on the mounting plate, the telescopic piece is used for driving the movable ring to move axially along the fixed column, and the movable pipe and the movable ring are connected through a connecting piece and used for extruding and forming straw powder in the former forming space while inputting the straw powder into one forming space.

2. The wheat straw smashing device according to claim 1, wherein a plurality of stirring blades are fixed on the periphery of the stirring shaft, the axis of the axis fixing pipe of the spiral shaft is matched, the connecting pipe and the fixing pipe are coaxially arranged, a connecting block is fixedly connected to the bottom of the spiral shaft, one end of the connecting block is fixedly connected to the inner wall of the connecting pipe, the connecting piece comprises a connecting plate fixed on the periphery of the movable ring and a mounting ring movably sleeved on the periphery of the movable pipe, the mounting ring is rotatably connected with the movable pipe, and one end of the connecting plate is fixed on an outer ring of the mounting ring.

3. The wheat straw smashing device according to claim 1, wherein the elastic piece comprises two springs and two limiting plates, wherein the two springs are respectively sleeved outside the two fixing rods, the two springs are fixed on the outer walls of the two sides of the movable template, the two limiting plates are respectively sleeved outside the two fixing rods, one ends of the two limiting plates are respectively fixedly connected with the outer walls of the two sides of the fixed template, the springs are located on one side, close to the fixed template, of the limiting plates, one ends of the springs are fixedly connected with the outer walls of the fixed template, the other ends of the springs are fixedly connected with one ends of the fixing rods, and limiting blocks are fixed to the other ends of the fixing rods.

4. The wheat straw smashing device according to claim 1, wherein the extruding assembly comprises a fixed shaft rotatably connected to the mounting plate, a threaded column fixed at the bottom of the fixed shaft, a threaded sleeve in threaded sleeve connection with the exterior of the threaded column, and a pressing plate fixed at the bottom of the threaded sleeve, the bottom of the fixed shaft extends to the lower portion of the mounting plate, a driving member for driving the fixed shaft to rotate is mounted on the fixed shaft, and a limiting member for limiting the rotation of the threaded sleeve is mounted on the mounting plate.

5. The wheat straw smashing device according to claim 4, wherein the driving piece comprises an abutting plate fixed on the outer wall of the fixed column, a fixed gear fixed on the top of the fixed shaft and a transmission rack slidably connected to the top of the mounting plate and meshed with the fixed gear, the abutting plate is of a right-angled triangle structure, the inclined surface of the abutting plate is inclined upwards, a sliding groove arranged along the length direction of the abutting plate is formed in the inclined surface of the abutting plate, and one end of the transmission rack extends into the sliding groove and slidably connected with the sliding groove.

6. The wheat straw smashing device according to claim 1, wherein a beating mechanism for beating the forming assembly when filling straw powder into a forming space formed by the forming assembly is mounted on the fixing column, the beating mechanism comprises a mounting rod mounted on the outer wall of the fixing column, a linkage gear rotationally connected to the mounting rod, a swing arm fixed on a circular surface on one side of the linkage gear, a beating ball fixed at one end of the swing arm, and a transmission piece mounted outside the fixing column and used for driving the linkage gear to rotate back and forth.

7. The wheat straw smashing device according to claim 6, wherein the transmission part comprises a transmission shaft arranged on the outer wall of the fixed column, a telescopic rod arranged on the outer wall of the fixed column, a fixed frame fixed on the movable end of the telescopic rod and a linkage rack fixed at the bottom of the fixed frame, a rotating wheel is fixed at the bottom of the transmission shaft, a shifting column is fixed at the position, deviating from the circle center, of the belt surface of the rotating wheel, one end of the shifting column extends to the inner side of the fixed frame, the length of the inner side of the fixed frame is larger than the diameter of the rotating wheel, the width of the inner side of the fixed frame is the same as the diameter of the shifting column, and a linkage part is further rotated on the fixed column and used for driving the transmission shaft to rotate when straw powder is filled into the forming space.

8. The wheat straw smashing device according to claim 7, wherein the linkage part comprises a movable column rotatably connected to the movable ring, a fixed cylinder movably sleeved outside the movable column and a connecting gear sleeved on the periphery of the fixed cylinder, the top of the fixed cylinder is rotatably connected with the bottom surface of the stirring box, a transmission gear meshed with the connecting gear is sleeved outside the connecting pipe, a driving bevel gear is installed at the bottom of the movable column, and a driven bevel gear matched with the driving bevel gear is installed at the top of the transmission shaft.

9. The wheat straw crushing device as claimed in claim 1, wherein a storage tank is mounted at the top of the stirring tank, a water outlet pipe is mounted on the inner wall of the top of the stirring tank, a plurality of spray heads are mounted on the bottom surface of the water outlet pipe, and a water pump is mounted on the storage tank and used for conveying moisture in the storage tank into the stirring tank.

10. The use method of the wheat straw crushing device according to any one of claims 1 to 9, which is characterized by comprising the following steps:

crushing wheat straws and putting the crushed wheat straws into a stirring box;

step two, sprinkling water into the stirring box to uniformly mix the water in the straw powder;

step three, sequentially inputting the stirred straw powder into a forming mechanism for press forming;

and step four, discharging the molded straws from the molding mechanism, and then collecting the straws in a centralized manner.

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