CN105850409B - A kind of straw millstone - Google Patents

Abstract

The invention discloses a kind of straw millstone, including：Frame, the motor being placed in frame, receive the spout of stalk, release the discharging opening of the stalk after chopping, by the pulverization cylinder that stalk crushes and stirs, it is connected between spout and pulverization cylinder and is connected to the charging transfer assembly of motor, it is placed in pulverization cylinder and is connected to the mixing component of motor, it is placed in pulverization cylinder and is connected to the shredder assemblies of motor, it is placed in pulverization cylinder and is used for guiding subassembly of the spacing stalk material in shredder assemblies contact range, is connected between pulverization cylinder and discharging opening and is connected to the pushing material component of motor.The present invention provides a kind of straw millstone, and input and output material is continuous, realizes that radially more gradient cuttings, axial various dimensions stir mixing, the three-dimensional of axial multilayer time water conservancy diversion crush cutting；So that stalk crushes well mixed, crush efficiency height, machine service life length, crushing, saving manpower are automatically finished.

Description

A straw crushing device

technical field

A crushing device, especially a crushing device suitable for straw.

Background technique

The existing straw pulverizer has discontinuous feeding and discharging of straw, and the labor intensity is high. It is impossible to achieve three-dimensional crushing and cutting of radial multi-gradient cutting and crushing, axial multi-dimensional mixing and mixing, and circumferential multi-level diversion. Therefore, the process Monotony, poor material adaptability and uneven mixing of various straws at the same time, etc., it is necessary to improve the straw grinder in the prior art.

Contents of the invention

In order to solve the deficiencies of the prior art, the purpose of the present invention is to provide a straw crushing device, which can continuously feed and discharge materials, realize radial multi-gradient cutting, axial multi-dimensional stirring and mixing, and axial multi-level diversion three-dimensional three-dimensional crushing Cutting: make straw crushing and mixing evenly, high crushing efficiency, long service life of the machine, complete automatic crushing, saving manpower.

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

A straw crushing device, comprising: a frame, a drive motor placed on the frame, a feed port for receiving straw, a discharge port for releasing chopped straw, a crushing cylinder for crushing and stirring the straw, connected to the feeding port Between the feed port and the crushing cylinder and connected to the feeding conveying assembly of the driving motor, placed in the crushing cylinder and connected to the stirring assembly of the driving motor, placed in the crushing cylinder and connected to the crushing assembly of the driving motor, placed in the crushing cylinder The diversion assembly inside and used to limit the straw material within the contact range of the crushing assembly is connected between the crushing cylinder and the discharge port and connected to the pushing assembly of the driving motor.

In the aforementioned straw crushing device, the feeding transmission assembly consists of: a feeding gear connected to the drive motor, a coiling main shaft fixed at the center of the feeding gear, and coiling teeth staggered and distributed on both sides of the coiling main shaft.

The aforementioned straw crushing device further includes: a motor main shaft gear clamped to the driving motor, and a first transmission gear connected between the motor main shaft gear and the feeding gear.

In the aforementioned straw crushing device, the stirring assembly consists of: a driven shaft connected to the driving motor, and a stirring claw connected to the driven shaft and placed at the bottom of the crushing cylinder.

The aforementioned straw crushing device also includes: a second transmission gear clamped to the drive motor, a stirring mechanism gear clamped to the second transmission gear, a transmission shaft transmitted to the stirring mechanism gear, and a centripetal shaft connected to the transmission shaft. The bearing is connected to the first bevel gear of the radial bearing, clamped to the first bevel gear and connected to the second bevel gear of the driven shaft.

In the aforementioned straw crushing device, the crushing assembly consists of: a cutter main shaft connected to a driving motor, a cutter sleeve fixed on the cutter main shaft, and a cutter fixed on the cutter sleeve.

In the aforementioned straw crushing device, the flow guide assembly consists of: a flow guide whose center is at the same height as the center of the cutter spindle, and a cylindrical helical compression spring fixed on the inner wall of the crushing cylinder and connected to the flow guide.

The aforementioned straw crushing device, the pusher assembly consists of: a pusher plate cylinder connected between the crushing cylinder and the discharge port, a grate placed at the bottom of the crushing cylinder and connected to the pusher plate cylinder, fixed The pushing blade on the driven shaft; the angle between each blade of the pushing blade is 120°, and the pushing blade adopts a three-dimensional design with a curved variable section.

In the aforementioned straw crushing device, the driving motor is a squirrel-cage motor, and the driving motor is controlled by a frequency converter so that the rotational speed of the motor can be adjusted in the range of 800-1500 r/min.

The advantage of the present invention is that: the present invention provides a straw crushing device, which is continuous in and out of materials, realizes radial multi-gradient cutting, axial multi-dimensional stirring and mixing, and axial multi-level diversion three-dimensional three-dimensional crushing and cutting; The straw is crushed and mixed evenly, the crushing efficiency is high, the service life of the machine is long, and the crushing is completed automatically, saving manpower.

Description of drawings

Fig. 1 is a cross-sectional view of an embodiment of the present invention;

Fig. 2 is a side view of an embodiment of the present invention;

Fig. 3 is a cross-sectional view of an embodiment of the pulverizing cylinder of the present invention;

Fig. 4 is the front view of an embodiment of the pushing blade of the present invention;

Fig. 5 is the front view of a kind of embodiment of cutter of the present invention;

Meanings of reference signs in the figure:

1 frame, 11 feed port, 12 crushing cylinder, 13 discharge port, 14 deflector, 15 cylindrical helical compression spring, 2 drive motor, 3 stirring mechanism gear, 30 stirring claw, 31 transmission shaft, 32 radial bearing , 33 first bevel gear, 34 second bevel gear, 35 driven shaft, 36 push blade, 37 grate bar, 4 first transmission gear, 5 motor main shaft gear, 50 cutter, 51 cutter main shaft, 6 second Transmission gear, 7 feed gears, 71 coil spindles, 72 coil teeth.

detailed description

The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

A straw crushing device, comprising: a frame 1, a drive motor 2 placed on the frame 1, a feed port 11 for receiving straw, a discharge port 13 for releasing chopped straw, and a crushing device for crushing and stirring the straw. The barrel 12 is connected between the feeding port 11 and the crushing barrel 12 and is connected to the feeding transmission assembly of the drive motor 2, placed in the crushing barrel 12 and connected to the stirring assembly of the drive motor 2, placed in the crushing barrel 12 and The crushing assembly connected to the drive motor 2 is placed in the crushing barrel 12 and used to limit the straw material within the contact range of the crushing assembly. The guide assembly is connected between the crushing barrel 12 and the discharge port 13 and connected to the drive motor 2 pusher components. As a preference, the drive motor 2 is a squirrel-cage motor, and the drive motor 2 can be adjusted in the range of 800-1500 r/min through a frequency converter.

The feeding transmission assembly consists of: the feeding gear 7 connected to the drive motor 2, the coiling main shaft 71 fixed at the center of the feeding gear 7, and the coiling teeth 72 distributed on both sides of the coiling main shaft 71 staggered. In order to use the drive motor 2 to drive the feed gear 7 to run, the crushing device also includes: a motor main shaft gear 5 clamped on the drive motor 2, and a first transmission gear 4 connected between the motor main shaft gear 5 and the feed gear 7. The coil teeth 72 are staggered and distributed on both sides of the coil spindle 71, and the speed of the coil teeth 72 is determined by the motor speed. The staggered arrangement of the feeding teeth can break up the bundled straw, realize stable, continuous and orderly feeding, avoid large fluctuations in the feeding amount of straw, play a certain role in protecting the cutter 50, and prolong the life of the shredder.

The stirring assembly consists of: a driven shaft 35 connected to the drive motor 2 , and a stirring claw 30 connected to the driven shaft 35 and placed at the bottom of the crushing cylinder 12 . In order to enable the drive motor 2 to drive the driven shaft 35 to run, the straw crushing device also includes: the second transmission gear 6 that is clamped to the drive motor 2, the stirring mechanism gear 3 that is clamped to the second transmission gear 6, and is transmitted to the stirring mechanism. The transmission shaft 31 of the mechanism gear 3 is connected to the radial bearing 32 of the transmission shaft 31, the first bevel gear 33 is connected to the radial bearing 32, and the second bevel gear 33 is snapped to the first bevel gear 33 and connected to the driven shaft 35. Bevel gear 34. The stirring claw 30 realizes circumferential stirring, improves the efficiency of the pulverizer, and at the same time plays the role of material mixing, so that two or more kinds of straws can be pulverized at the same time to make them evenly mixed.

The crushing assembly consists of: the cutter main shaft 51 connected to the driving motor 2, the cutter 50 sleeve fixed on the cutter main shaft 51, and the cutter 50 fixed on the cutter 50 sleeve. Wherein the cutter 50 is welded on the cutter 50 sleeve, the number of cutters 50 can be selected according to the properties of different materials and the size of the required crushed material, the distance between the cutters 50 and the diameter (D) of the cutters 50 form a multi-blade, The combination cutter with variable pitch and variable diameter realizes radial multi-gradient cutting and crushing, avoids the occurrence of cutting dead angles, improves crushing efficiency, and easily obtains straw scraps of ideal size.

The deflector assembly consists of: a deflector 14 whose center is as high as the center of the cutter main shaft 51 , and a cylindrical helical compression spring 15 that is fixed on the inner wall of the above-mentioned pulverizing cylinder 12 and connected to the deflector 14 . The center of the deflector 14 is at the same height as the center of the cutter main shaft 51, so as to realize radial flow diversion, ensure that the circumferential rotation of the straw material is within the scope of the knife crushing, and avoid the occurrence of dead ends in cutting. The use of the cylindrical helical compression spring 15 prevents the hard straw or sundries from having a large impact on the guide vane 14 when it rotates at high speed, thereby ensuring the service life of the guide vane 14 and preventing the phenomenon that the guide vane 14 is stuck on the material.

The pusher assembly consists of: a pusher plate cylinder connected between the crushing cylinder 12 and the discharge port 13, a grate bar 37 placed at the bottom of the crushing cylinder 12 and connected to the pusher plate cylinder, fixed on the driven shaft Pushing material blade 36 on 35; The angle between each blade of pushing material blade 36 is 120 °, and pushing material blade 36 adopts the three-dimensional design of the variable section that has radian. When the pushing blade 36 rotates, a certain downward negative pressure suction is formed in the axial direction, and a mechanical thrust is formed in the radial direction, so that the straw debris flows continuously downward and outward along the arc surface of the blade, and reaches the gap of the blade for diversion. , part of the crushed material is pushed out, and part of the crushed material participates in the mixing of subsequent crushed materials. At this time, the pushing plate not only plays the role of automatic material pushing, but also achieves the effect of uniform mixing.

As an embodiment, the connection mode of the driven parts is: the stirring claw 30 is welded with the stirring claw 30 casing and connected to the driven shaft 35 by bolts; wherein the radial bearing 32 is fixed on the machine by the radial bearing 32 bolts On frame 1, the first bevel gear 33 is interference-fitted with the driving shaft and connected by a key, and the shaft end is fixed with bolts. Similarly, the second bevel gear 34 and the driven shaft 35 are also connected in this way; the pusher plate is welded On the cylinder of the pushing plate, a key is used to connect the driven shaft 35, and the grate bar 37 is connected to the side wall bolt of the pulverizing cylinder 12, and a sufficient gap is ensured between the driven shaft 35; wherein the stirring claw 30 is welded on the stirring claw 30 and connected with the driven shaft 35 with bolts.

The crushing device realizes radial (X direction) multi-gradient crushing and cutting, the stirring and mixing device realizes (Z direction) axial multi-dimensional stirring and mixing through speed regulation, and the flow guide device realizes the change in r direction to realize multi-level circumferential rotation of materials. The three devices are used together to achieve a three-dimensional (cylindrical coordinate) mixing and pulverizing effect.

The operation process of the crushing device is:

Feed transmission: feed the straw into the feeding port 11, start the drive motor 2, drive the main shaft gear of the drive motor 2 to rotate, drive the second transmission gear 6, and then drive the feed gear 7 to rotate, and push the coil spindle 71 through the feed gear 7 Rotate, so that the stalk is sent into the crushing cylinder 12 late by the coil material.

The straw is crushed while stirring; the driving motor 2 drives the second transmission gear 6, drives the transmission shaft 31, thereby drives the radial bearing 32, and rotates the first bevel gear 33, because the second bevel gear 34 is clamped to the first bevel gear 33, Thus, the driven shaft 35 is driven to realize the rotation of the stirring claw 30 . The driving motor 2 drives the cutter main shaft 51 to rotate, thereby realizing the rotation of the cutter 50 .

Diversion in the crushing cylinder 12 prevents the straw from entering the dead corner of the crushing cylinder 12; the center of the deflector 14 is at the same height as the center of the cutter spindle 51 to realize radial flow and ensure that the circumferential rotation of the straw material is within the scope of the knife crushing, avoiding The appearance of cutting dead angle; the use of cylindrical helical compression spring 15 avoids a large impact on the guide vane 14 when hard straw or sundries rotate at high speed, so as to ensure the service life of the guide vane 14 and prevent the guide vane 14 from jamming the material phenomenon appears.

Push the crushed stalks out of the outlet 13: the crushed stalks pass through the gap of the grate bar 37 and fall into the barrel of the push plate, and the driving motor 2 drives the second transmission gear 6, driving the transmission shaft 31, thereby driving the centripetal The bearing 32 rotates the first bevel gear 33, because the second bevel gear 34 is clamped to the first bevel gear 33, thereby driving the driven shaft 35, and the driven shaft 35 drives the pushing blade 36 to rotate, pushing the crushed straw out of the material Mouth 13.

The invention provides a straw crushing device, which has continuous feeding and discharging, realizes radial multi-gradient cutting, axial multi-dimensional stirring and mixing, and axial multi-level diversion three-dimensional three-dimensional crushing and cutting; the straw crushing and mixing are uniform, and the crushing efficiency is high. , The machine has a long service life, and the crushing is completed automatically, saving manpower.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the above-mentioned embodiments do not limit the present invention in any form, and all technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (6)

1. A straw crushing device, characterized in that it comprises: a frame, a drive motor placed on the frame, a feed port for receiving straw, a discharge port for releasing chopped straw, crushing and stirring the straw The pulverizing cylinder is connected between the above-mentioned feeding port and the pulverizing cylinder and connected to the feed conveying assembly of the above-mentioned driving motor, placed in the above-mentioned pulverizing cylinder and connected to the stirring assembly of the above-mentioned driving motor, placed in the above-mentioned pulverizing cylinder and The crushing assembly connected to the above-mentioned driving motor, placed in the above-mentioned crushing cylinder and used to limit the straw material within the contact range of the crushing assembly, connected between the above-mentioned crushing cylinder and the discharge port and connected to the above-mentioned driving motor Pusher assembly; the above-mentioned stirring assembly is composed of: the driven shaft connected to the above-mentioned drive motor, the stirring claw connected to the above-mentioned driven shaft and placed at the bottom of the above-mentioned crushing cylinder; the above-mentioned pusher assembly is composed of: connected to the above-mentioned crushing The pusher plate cylinder between the barrel and the discharge port is placed at the bottom of the above-mentioned crushing cylinder and communicated with the grate bar of the above-mentioned pusher plate cylinder, and the pusher blade fixed on the above-mentioned driven shaft; the above-mentioned pusher blade The angle between each of the blades is 120°, and the above-mentioned pushing blade adopts a three-dimensional design with a curved variable section; the above-mentioned crushing assembly consists of: a cutter main shaft connected to the above-mentioned driving motor, and a cutting blade fixed on the above-mentioned cutter main shaft. Knife sleeve, the cutter that is fixed on the above-mentioned cutter sleeve. 2. A straw crushing device according to claim 1, characterized in that, the above-mentioned feed transmission assembly consists of: a feed gear connected to the above-mentioned drive motor, and a coil spindle fixed at the center of the above-mentioned feed gear , staggering the coil teeth distributed on both sides of the coil main shaft. 3. A straw crushing device according to claim 2, further comprising: the motor main shaft gear clamped to the above-mentioned driving motor, and the first transmission gear connected between the above-mentioned motor main shaft gear and the feeding gear . 4. A straw crushing device according to claim 1, further comprising: a second transmission gear clamped to the above-mentioned driving motor, a stirring mechanism gear clamped to the above-mentioned second transmission gear, and driven to the above-mentioned The transmission shaft of the stirring mechanism gear is connected to the radial bearing of the transmission shaft, the first bevel gear connected to the radial bearing, and the second bevel gear connected to the first bevel gear and connected to the driven shaft. 5. A straw crushing device according to claim 1, characterized in that, the above-mentioned deflector assembly is composed of: a deflector whose center is equal to the center of the cutter spindle, fixed on the inner wall of the above-mentioned crushing cylinder and connected to Cylindrical helical compression springs on the above deflectors. 6 . The straw crushing device according to claim 1 , wherein the driving motor is a squirrel-cage motor, and the driving motor can be adjusted in the range of 800-1500 r/min through a frequency converter. 7 .