CN210726064U - Straw cutting machine - Google Patents
Straw cutting machine Download PDFInfo
- Publication number
- CN210726064U CN210726064U CN201921138332.0U CN201921138332U CN210726064U CN 210726064 U CN210726064 U CN 210726064U CN 201921138332 U CN201921138332 U CN 201921138332U CN 210726064 U CN210726064 U CN 210726064U
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- screw
- saw blades
- cutter shaft
- cutter
- motor
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Abstract
The utility model discloses a straw cutting machine belongs to straw processing equipment field, including organism and base, still include: the cutting mechanism comprises a cutter shaft, a plurality of saw blades arranged on the cutter shaft and a first motor for driving the cutter shaft to rotate; the cutter spacing adjusting mechanism comprises a plurality of cutter seats respectively connected with the saw blades, a plurality of lead screws respectively in threaded connection with the cutter seats and a second motor; the cutter seats comprise a first cutter seat, a second cutter seat and a third cutter seat, a plurality of saw blades with equal intervals are arranged in the machine body, the straws are cut by the rotation of the saw blades, the lengths of the cut straws are the same, and the straws are convenient to store; the spacing of the saw blades can be adjusted at equal intervals, and the requirements of people on different lengths of the straw sections can be met; still be provided with anti-blocking piece, can scrape the straw of card between the saw bit down, effectively prevent to block up, guarantee cutting efficiency.
Description
Technical Field
The utility model relates to a straw processing equipment field, in particular to straw cutting machine.
Background
At present, in agricultural production, corn is one of main crops, the corn straw can also be used as livestock animal feed, the corn straw is generally kneaded into a silk shape at one time, so that the corn straw is convenient for animals such as cattle, sheep, horses, donkeys and the like to eat, and the corn straw is long and inconvenient to store and knead, so the corn straw needs to be cut into small sections of 100mm-300mm for convenient storage and kneading processing, the efficiency of using an artificial straw chopper is low, and the cut straw sections are different in length, are not uniformly placed and are inconvenient to store;
the patent with the application number of 201711440997.2 discloses a corn stalk cutting device, which comprises a supporting table, wherein two fixed side plates are welded on two sides of the upper surface of the supporting table, two sides of the upper end between the fixed side plates are connected with a second rotating shaft through a bearing, the two end sides of the two second rotating shafts are provided with corresponding belt pulleys, the second rotating shaft can be driven to rotate through a first motor, two transmission belts can be driven to rotate through the rotation of the second rotating shaft, the corn stalks can be transmitted through the transmission belts, a cutting wheel can be driven to rotate through a third motor, the corn stalks can be cut off through the cutting wheel, a pressing transmission belt can be driven to rotate through the second motor, the corn stalks can be pressed through the rotation of the pressing transmission belt, the transmission of the corn stalks is not influenced, only one cutting wheel of the corn stalk cutting device can only cut the stalks into two sections, the straw can not be directly cut into small sections of 100mm-300mm at one time, and the lengths of the cut straw sections can not be controlled to be the same.
SUMMERY OF THE UTILITY MODEL
The utility model provides a straw cutting machine not only can cut into the segment that length is the same with corn stalk, can also adjust the interval of saw bit according to the length of required straw section, and is more convenient.
The utility model provides a straw cutting machine, includes organism and base, still includes:
the cutting mechanism comprises a cutter shaft, a plurality of saw blades arranged on the cutter shaft and a first motor for driving the cutter shaft to rotate;
the tool distance adjusting mechanism comprises a second motor, a plurality of tool holders respectively connected with the saw blades and a plurality of lead screws respectively in threaded connection with the tool holders, and the second motor is used for driving the lead screws to rotate;
six saw blades are arranged on the cutter shaft, the distance between the six saw blades is equal, the tool apron comprises a first tool apron, a second tool apron and a third tool apron, the first tool apron is connected to two saw blades positioned in the middle, the second tool apron is connected to two saw blades positioned in the secondary middle, the third tool apron is connected to two saw blades positioned on the outermost side, the lead screw comprises a first lead screw, a second lead screw and a third lead screw, the screw thread turning directions of the left half section and the right half section of the first lead screw, the second lead screw and the third lead screw are different, the two first tool holders are respectively in threaded connection with the left half section and the right half section of the first lead screw, the two second tool holders are respectively in threaded connection with the left half section and the right half section of the second lead screw, and the two third tool holders are respectively in threaded connection with the left half section and the right half section of the third lead screw;
gears are fixedly arranged on the first screw rod, the second screw rod and the third screw rod, and every two adjacent gears are in meshed connection;
the two third tool apron is provided with a yielding hole for yielding the first lead screw and the second lead screw, and the two second tool apron is provided with a yielding hole for yielding the first lead screw;
the cutter shaft is provided with a sliding chute, the saw blade and the cutter shaft synchronously rotate, the saw blade is arranged on the cutter shaft in a sliding manner, the bottom of the cutter holder is sleeved on the cutter shaft, and the cutter holder is only arranged on the cutter shaft in a sliding manner;
a material stirring shaft is further rotatably arranged in the machine body, groups of material stirring rods are welded on the material stirring shaft, three material stirring rods in each group are circumferentially and uniformly arranged on the material stirring shaft, and each group of material stirring rods is respectively positioned between two saw blades or between a saw blade and the inner wall of the machine body;
arc-shaped anti-blocking blocks are arranged between every two saw blades and between the saw blades and the inner wall of the machine body, fixed rods and positioning rods are respectively fixed on the tool apron positioned on two sides of each anti-blocking block, the fixed rods are fixedly connected with the tops of the anti-blocking blocks, and one ends, far away from the tool apron, of the positioning rods are inserted into the fixed rods;
the first motor and the second motor are fixedly installed at two ends of the base respectively, an output shaft of the first motor is in transmission connection with one end of the cutter shaft and one end of the stirring shaft through a belt transmission mechanism, an output shaft of the second motor is connected with a speed reducer, and an output shaft of the speed reducer is in transmission connection with one end of the third screw through a belt transmission mechanism.
Furthermore, the transmission ratio of the first lead screw, the second lead screw and the third lead screw is 1: 3: 5.
Furthermore, one end of the anti-blocking block is arc-shaped, and the distance between the arc-shaped end and the cutter shaft is 20 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is provided with a plurality of saw blades with equal space in the machine body, the straws are cut by the rotation of the saw blades, the cut straw sections are the same in length, and the storage is convenient;
can carry out equidistance to the interval of saw bit and adjust, can satisfy people to the demand of the different length of straw section.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view I of the present invention;
fig. 3 is a side view II of the present invention;
fig. 4 is a front view of the present invention;
fig. 5 is a cross-sectional view taken along line a-a of fig. 4 in accordance with the present invention;
fig. 6 is a cross-sectional view taken along line B-B of fig. 4 in accordance with the present invention;
fig. 7 is a partial cross-sectional view of the present invention;
fig. 8 is a partial enlarged view of the point C in fig. 7 according to the present invention;
fig. 9 is a partial enlarged view of fig. 7 at D according to the present invention;
fig. 10 is a partially enlarged view of the position E in fig. 7 according to the present invention.
Description of reference numerals:
1-machine body, 2-base, 3-cutter shaft, 4-saw blade, 5-first motor, 6-second motor, 7-first tool apron, 8-second tool apron, 9-third tool apron, 10-first lead screw, 11-second lead screw, 12-third lead screw, 13-gear, 14-material stirring shaft, 15-material stirring rod and 16-anti-blocking block. 17-fixing rod, 18-positioning rod, 19-abdicating hole, 20-sliding groove, 21-speed reducer, 22-driving wheel and 23-driving belt.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1 to 10, the embodiment of the utility model provides a straw cutting machine, including organism 1 and base 2, still include:
the cutting mechanism comprises a cutter shaft 3, a plurality of saw blades 4 arranged on the cutter shaft 3 and a first motor 5 for driving the cutter shaft 3 to rotate;
the tool distance adjusting mechanism comprises a second motor 6, a plurality of tool holders respectively connected with the saw blades 4 and a plurality of lead screws respectively in threaded connection with the tool holders, and the second motor 6 is used for driving the lead screws to rotate;
as shown in fig. 4, six saw blades 4 are arranged on the cutter shaft 3, and the distance between the six saw blades 4 is equal, the tool apron includes a first tool apron 7, a second tool apron 8 and a third tool apron 9, the two saw blades 4 located in the middle position are both connected with the first tool apron 7, the two saw blades 4 located in the secondary middle position are both connected with the second tool apron 8, the two saw blades 4 located in the outermost side are both connected with the third tool apron 9, the screw includes a first screw 10, a second screw 11 and a third screw 12, the thread turning directions of the left half section and the right half section of the first screw 10, the second screw 11 and the third screw 12 are different, the two first tool aprons 7 are respectively in thread connection with the left half section and the right half section of the first screw 10, the two second tool aprons 8 are respectively in thread connection with the left half section and the right half section of the second screw 11, the two third tool rests 9 are respectively in threaded connection with the left half section and the right half section of the third screw 12;
when the first screw rod 10 rotates, the two first tool holders 7 with the connected saw blades 4 move in opposite directions, when the second screw rod 11 rotates, the two second tool holders 8 with the connected saw blades 4 move in opposite directions, and when the third screw rod 12 rotates, the third tool holder 9 with the connected saw blades 4 also moves in opposite directions;
the cutter shaft 3, the material stirring shaft 14, the first lead screw 10, the second lead screw 11 and the third lead screw 12 are all rotatably arranged in the machine body 1;
as shown in fig. 9, gears 13 are fixedly arranged on the first lead screw 10, the second lead screw 11 and the third lead screw 12, and every two adjacent gears 13 are in meshed connection;
therefore, when one of the screw rods is rotated, the three screw rods can be driven to rotate simultaneously, and the rotation directions of the first screw rod 10 and the second screw rod 11 are opposite, the rotation directions of the second screw rod 11 and the third screw rod 12 are opposite under the transmission of the gear 13, the screw thread turning direction of the left half section of the first screw rod 10 is the same as that of the left half section of the third screw rod 12, and is opposite to that of the left half section of the second screw rod 11, namely, the moving directions of the tool holders positioned on the left half sections of the three screw rods can be kept consistent;
the transmission ratio of the first lead screw 10, the second lead screw 11 and the third lead screw 12 is 1: 3: 5.
The transmission ratios of the three lead screws are different in order to enable the distances between the adjusted saw blades 4 to be the same, the distance between every two saw blades 4 is 150mm in an initial state, when the distance needs to be adjusted to 250mm, the saw blades 4 connected with the two first tool rests 7 need to simultaneously and externally move by 50mm, the saw blades 4 connected with the two second tool rests 8 need to simultaneously and externally move by 150mm, and the saw blades 4 connected with the two third tool rests 9 need to simultaneously and externally move by 250mm, because the three lead screws simultaneously rotate, and the three gears 13 are the same, the transmission ratios of the first lead screw 10, the second lead screw 11 and the third lead screw 12 are 1: 3: 5, the transmission ratios of the three lead screws can also be the same, and the same effect can be achieved by changing the transmission ratios among the three gears 13;
as shown in fig. 10, two of the third tool apron 9 are respectively provided with a yielding hole 19 for yielding the first lead screw 10 and the second lead screw 11, and two of the second tool apron 8 are respectively provided with a yielding hole 19 for yielding the first lead screw 10;
the first tool apron 7, the second tool apron 8 and the third tool apron 9 are connected with the saw blade 4 in the same way, but the heights of the tops of the tool apron are different;
as shown in fig. 6, a chute 20 is formed on the cutter shaft 3, the saw blade 4 rotates synchronously with the cutter shaft 3, the saw blade 4 is slidably disposed on the cutter shaft 3, the bottom of the tool apron is sleeved on the cutter shaft 3, and the tool apron is only slidably disposed on the cutter shaft 3; the tool apron is used for driving the saw blade 4 to move, and the cutter shaft 3 cannot be influenced;
a feeding hole and a discharging hole are formed in the machine body 1, a bundle of corn straws is placed from the feeding hole and falls between two material stirring rods 15 in the same group, the corn straws are pressed onto the saw blade 4 by the material stirring rods 15 under the driving of the rotation of the material stirring shaft 14, and the straws are cut off by the saw blade;
a material stirring shaft 14 is further rotatably arranged in the machine body 1, 21 groups of material stirring rods 15 are welded on the material stirring shaft 14, three material stirring rods 15 in each group are circumferentially and uniformly arranged on the material stirring shaft 14, and each group of material stirring rods 15 is respectively positioned between two saw blades 4 or between each saw blade 4 and the inner wall of the machine body 1;
circular arc-shaped anti-blocking blocks 16 are arranged between every two saw blades 4 and between the saw blades 4 and the inner wall of the machine body 1, as shown in fig. 8, fixing rods 17 and positioning rods 18 are respectively fixed on the tool holders positioned at two sides of the anti-blocking blocks 16, the fixing rods 17 are fixedly connected with the top of the anti-blocking blocks 16, and one ends of the positioning rods 18 far away from the tool holders are inserted into the fixing rods 17; the position of the saw blade 4 can move when the distance is adjusted, so that the position of the anti-blocking block 16 also needs to move, the positioning rod 18 is always inserted into the fixing rod 17 to play a positioning role, and the anti-blocking block 16 is prevented from being inclined to touch the cutter shaft 3;
as shown in fig. 2 and 3, the first motor 5 and the second motor 6 are respectively and fixedly installed at two ends of the base 2, an output shaft of the first motor 5 is simultaneously in transmission connection with one end of the cutter shaft 3 and one end of the material stirring shaft 14 through a belt transmission mechanism, an output shaft of the second motor 6 is connected with a speed reducer 21, and an output shaft of the speed reducer 21 is in transmission connection with one end of the third lead screw 12 through a belt transmission mechanism;
the belt transmission mechanism comprises a transmission belt 23 and a transmission wheel 22, the transmission wheel 22 is arranged on one end of the cutter shaft 3, one end of the material stirring shaft 14, one end of the third screw rod 12, an output shaft of the first motor 5 and an output shaft of the speed reducer 21, the first motor 5 drives the cutter shaft 3 and the material stirring shaft 14 to synchronously rotate, the rotating speed of the material stirring shaft 14 is far lower than that of the cutter shaft 3, the speed reducer is arranged on the machine body to reduce the rotating speed of the material stirring shaft 14, and the speed reducer is not marked in the figure;
one end of the anti-blocking block 16 is arc-shaped, the distance between the arc-shaped end and the cutter shaft 3 is 20mm, as shown in fig. 5, the circle center of the arc-shaped end is on the axis of the cutter shaft 3, so that one end of the anti-blocking block 16 is close to the cutter shaft 3, the cleaning work is better completed, and the straw section is prevented from being clamped between the two saw blades 4;
after cutting, the lengths of the straw sections cut between the two saw blades 4 are the same, and the lengths of the corn straws cannot be just matched with the cutting width, so the lengths of the straws cut between the saw blades 4 and the inner wall of the machine body 1 are lower than the lengths of the straw sections cut between the two saw blades 4, but the lengths of the straws are not greatly influenced because the straw sections between the saw blades 4 and the inner wall of the machine body 1 are the roots and the heads of the straws, the roots are rich in soil, and the heads are waste materials with less moisture and sugar, so that the straws are not suitable for subsequent kneading processing.
The working principle is as follows: when the corn stalks are cut into sections, a first motor 5 is started, the first motor 5 drives a cutter shaft 3 and a stirring shaft 14 to synchronously rotate through a belt transmission mechanism, the cutter shaft 3 drives a saw blade 4 on the cutter shaft to rotate, the stirring shaft 14 drives stirring rods 15 to rotate, the bundled corn stalks are put into a machine body 1 from a feeding hole, the corn stalks fall onto the stirring shaft 14 and between the two stirring rods 15, the stirring rods 15 press the corn stalks onto the saw blade 4, the saw blade 4 finishes the cutting of the stalks, and the cut stalks fall out of a discharging hole of the machine body;
when the interval of a plurality of saw bits 4 needs to be adjusted, close first motor 5, start second motor 6, second motor 6 corotation, just drive third lead screw 12 through the belt drive and rotate, under the transmission of gear 13, first lead screw 10, second lead screw 11 and third lead screw 12 rotate in step, first blade holder 7, second blade holder 8 and third blade holder 9 take saw bit 4 to remove respectively, realize the grow of a plurality of saw bit 4 intervals, when the interval needs to be adjusted to little, control second motor 6 reversal, under a series of transmission of foretell, the interval of a plurality of saw bits reduces gradually, close second motor 6 after reaching suitable distance.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a straw cutting machine, includes organism and base, its characterized in that still includes:
the cutting mechanism comprises a cutter shaft, a plurality of saw blades arranged on the cutter shaft and a first motor for driving the cutter shaft to rotate;
the tool distance adjusting mechanism comprises a second motor, a plurality of tool holders respectively connected with the saw blades and a plurality of lead screws respectively in threaded connection with the tool holders, and the second motor is used for driving the lead screws to rotate.
2. The straw cutting machine according to claim 1, wherein six saw blades are disposed on the cutter shaft, and the distance between the six saw blades is equal, the tool apron includes a first tool apron, a second tool apron and a third tool apron, a first tool apron is connected to each of two saw blades located at the middle position, a second tool apron is connected to each of two saw blades located at the secondary middle position, a third tool apron is connected to each of two saw blades located at the outermost side, the screw comprises a first screw, a second screw and a third screw, the screw thread directions of the left half section and the right half section of the first screw, the second screw and the third screw are different, the two first tool aprons are respectively in threaded connection with the left half section and the right half section of the first screw, the two second tool aprons are respectively in threaded connection with the left half section and the right half section of the second screw, and the two third tool holders are respectively in threaded connection with the left half section and the right half section of the third screw rod.
3. The straw cutting machine according to claim 2, wherein gears are fixedly arranged on the first screw rod, the second screw rod and the third screw rod, and every two adjacent gears are meshed and connected.
4. The straw cutting machine according to claim 3, wherein each of the two third tool holders has a hole for the first screw rod and the second screw rod to move away, and each of the two second tool holders has a hole for the first screw rod to move away.
5. The straw cutting machine according to claim 4, wherein a sliding groove is formed on the cutter shaft, the saw blade rotates synchronously with the cutter shaft and is slidably disposed on the cutter shaft, the bottom of the cutter holder is sleeved on the cutter shaft, and the cutter holder is only slidably disposed on the cutter shaft.
6. The straw cutting machine according to claim 5, wherein a material stirring shaft is rotatably disposed in the machine body, a group of material stirring rods are welded on the material stirring shaft, three material stirring rods of each group are circumferentially and uniformly disposed on the material stirring shaft, and each group of material stirring rods is respectively disposed between two saw blades or between a saw blade and the inner wall of the machine body.
7. The straw cutting machine according to claim 6, wherein an arc-shaped anti-blocking block is disposed between each two of the saw blades and between the saw blades and the inner wall of the machine body, a fixing rod and a positioning rod are respectively fixed on the tool apron at two sides of the anti-blocking block, the fixing rod is fixedly connected with the top of the anti-blocking block, and one end of the positioning rod, which is far away from the tool apron, is inserted into the fixing rod.
8. The straw cutting machine according to claim 7, wherein one end of the anti-blocking block is arc-shaped, and the distance between the arc-shaped end and the cutter shaft is 20 mm.
9. The straw cutting machine according to claim 6, wherein the first motor and the second motor are respectively and fixedly installed at two ends of the base, an output shaft of the first motor is simultaneously in transmission connection with one end of the cutter shaft and one end of the material stirring shaft through a belt transmission mechanism, an output shaft of the second motor is connected with a speed reducer, and an output shaft of the speed reducer is in transmission connection with one end of the third screw rod through a belt transmission mechanism.
10. A straw cutting machine as claimed in claim 2 or 9, wherein the transmission ratio of the first lead screw, the second lead screw and the third lead screw is 1: 3: 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921138332.0U CN210726064U (en) | 2019-07-13 | 2019-07-13 | Straw cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921138332.0U CN210726064U (en) | 2019-07-13 | 2019-07-13 | Straw cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210726064U true CN210726064U (en) | 2020-06-12 |
Family
ID=70979322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921138332.0U Expired - Fee Related CN210726064U (en) | 2019-07-13 | 2019-07-13 | Straw cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210726064U (en) |
-
2019
- 2019-07-13 CN CN201921138332.0U patent/CN210726064U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |