Unmanned aerial vehicle propeller blade cutting conveying cutter
Technical Field
The invention relates to the technical field of cutting knives, in particular to a conveying knife for cutting propeller blades of an unmanned aerial vehicle.
Background
The cutting and conveying knife is one of the main components of a plurality of cutting machines, and the structure, the geometric parameters and the like of the cutting and conveying knife can influence the performance of the cutting knife, the operation effect of the cutting machine and the reliability of equipment. In the course of the work of cutting knife, it is not enough to have the cutter body durability, and the cutting waste material is difficult to obtain the problem of carrying the collection, consequently needs one kind to have cutting strength and durability concurrently, has the cutting transport sword of air current transport function simultaneously concurrently.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cutting and conveying knife for a propeller blade of an unmanned aerial vehicle.
The purpose of the invention is realized by the following technical scheme:
the utility model provides an unmanned aerial vehicle propeller blade cutting transport sword, mainly includes and is used for fixing the fixed part at the transmission shaft and is used for the paddle that the cutting was carried. The paddles are circumferentially arranged on the fixing part in a surrounding manner, and are distributed at equal intervals.
In particular, the blade mainly comprises a blade cutting end for cutting the crop and a blade delivery end for delivering cutting waste. The cutting end of the blade is arranged on the front side of the conveying end of the blade and is fixedly connected with the conveying end of the blade. The space torsion portion is used for generating rising air flow and gas thrust, the space torsion portion is the bulges of the paddle at the cutting end of the blade and the conveying end of the blade, the generated space torsion angle is 35 degrees, and the space torsion angle is the maximum included angle between the central line of the cross section of the paddle at the highest position of the space torsion portion and the horizontal plane.
As a preferable scheme of the invention, the number of the paddles is three, and each paddle is distributed at equal intervals.
As a preferable scheme of the invention, the section of the cutting end of the blade is a right-angled triangle, one right-angled surface is connected with the conveying end of the blade, and the other right-angled surface is horizontally arranged. The design can improve the cutting strength and the durability of the cutting conveying knife.
As a preferred aspect of the present invention, the blade edge angle of the cutting end of the blade is 10 degrees.
Further, the cutting and conveying knife further comprises a transmission gear, a stop block and a fastener, wherein the transmission gear is fixedly connected with the transmission shaft. The transmission teeth are arranged on the transmission shaft, close to the end part and fixedly connected with the transmission shaft. The stop block is arranged at the end part of the transmission shaft and is respectively fixedly connected with the transmission shaft and the transmission teeth. One end of the fixing part connected with the transmission shaft is provided with a plurality of notches which are matched and connected with the transmission teeth. The fastener adopts the design of tubular structure, and its inner wall is equipped with the internal thread, and the transmission shaft outer wall is equipped with the external screw thread. The fixing part and the fastener are sequentially sleeved on the transmission shaft, so that the cutting and conveying knife is stably connected with the transmission shaft. During installation, the fixing part is sleeved on the transmission shaft, the transmission teeth on the transmission shaft are inserted into the notches on the fixing part, meshing transmission between the fixing part and the transmission shaft is achieved, meanwhile, the fastener is sleeved on the transmission shaft, the fixing part is tightly fixed on the transmission shaft through connection of the internal thread of the inner wall of the fastener and the external thread of the outer wall of the transmission shaft, and stable connection between the transmission shaft and the fixing part is achieved.
The working process and principle of the invention are as follows: during the use, install fixed part and paddle on the transmission shaft earlier and fixed with it, then starter motor or engine, drive transmission shaft area paddle rotates, and the blade cutting end of paddle contacts and cuts it with the waste material, and the waste material after the cutting realizes absorbing, carrying, collecting functions such as waste material under the effect that blade delivery end and space torsion portion produced updraft and promote, has greatly improved the efficiency of waste material cutting and collection. The invention also has the advantages of simple structure, convenient operation and easy implementation.
Compared with the prior art, the invention also has the following advantages:
(1) the unmanned aerial vehicle propeller blade cutting and conveying tool provided by the invention has the advantages that the structure and the shape of the blade, particularly the geometric shapes and the parameters of the cutting end and the conveying end of the blade are innovated, so that the cutting strength and the durability of the tool body are improved, the function of air flow pushing and conveying is realized, and the application and popularization values are higher.
(2) The unmanned aerial vehicle propeller blade cutting conveying cutter provided by the invention also has the advantages of high cutting strength and high durability of the cutting cutter.
(3) The unmanned aerial vehicle propeller blade cutting conveying cutter provided by the invention adopts the blade cutting end with the right-angled triangle structure, so that the cutting strength of the cutting cutter can be improved, the load applied during cutting is reduced, and the durability of the cutting cutter is higher.
Drawings
Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle propeller blade cutting conveyor provided by the invention.
Fig. 2 is a schematic cross-sectional view of the blade provided by the present invention at the highest position of the spatial twist portion.
FIG. 3 is a schematic view of the structure of the notch and fastener of the present invention.
Fig. 4 is a schematic view of the connection between the fixing portion and the transmission shaft provided in the present invention.
The reference numerals in the above figures illustrate:
1-fixed part, 2-paddle, 3-blade cutting end, 4-blade conveying end, 5-space torsion part, 6-space torsion angle, 7-driving gear, 8-stop block, 9-fastener and 10-notch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described below with reference to the accompanying drawings and examples.
Example 1:
as shown in fig. 1 to 4, the embodiment discloses an unmanned aerial vehicle propeller blade cutting and conveying tool, which mainly comprises a fixing part 1 for fixing on a transmission shaft and a blade 2 for cutting and conveying. The paddles 2 are circumferentially arranged on the fixing part 1 in a surrounding manner, and the paddles 2 are distributed at equal intervals.
In particular, the blade 2 mainly comprises a blade cutting end 3 for cutting the crop and a blade delivery end 4 for delivering cutting waste. The blade cutting end 3 is arranged at the front side of the blade conveying end 4 and is fixedly connected with the blade conveying end 4. The blade 2 is further provided with a space torsion portion 5 used for generating ascending air flow and gas thrust, the space torsion portion 5 is a bulge of the blade 2 at the blade cutting end 3 and the blade conveying end 4, the angle of the generated space torsion angle 6 is 35 degrees, and the space torsion angle 6 is the maximum included angle between the central line of the section of the blade 2 at the highest position of the space torsion portion 5 and the horizontal plane.
As a preferable scheme of the present invention, the number of the blades 2 is three, and each blade 2 is distributed at equal intervals.
As a preferable scheme of the invention, the section of the cutting end 3 of the blade is a right-angled triangle, wherein one right-angled surface is connected with the conveying end 4 of the blade, and the other right-angled surface is horizontally arranged. The design can improve the cutting strength and the durability of the cutting conveying knife.
As a preferred aspect of the present invention, the blade cutting end 3 of the blade has a blade angle of 10 degrees.
Further, the cutting and conveying knife further comprises a transmission tooth 7 fixedly connected with the transmission shaft, a stop block 8 and a fastener 9. The transmission teeth 7 are arranged on the transmission shaft, close to the end part and fixedly connected with the transmission shaft. The stop block 8 is arranged at the end part of the transmission shaft and is respectively fixedly connected with the transmission shaft and the transmission teeth 7. One end of the fixing part 1 connected with the transmission shaft is provided with a plurality of notches 10 which are matched and connected with the transmission teeth 7. The fastener 9 adopts the design of tubular structure, and its inner wall is equipped with the internal thread, and the transmission shaft outer wall is equipped with the external screw thread. The fixing part 1 and the fastener 9 are sequentially sleeved on the transmission shaft, so that the cutting and conveying knife is stably connected with the transmission shaft. During installation, the fixing part 1 is sleeved on the transmission shaft, the transmission teeth 7 on the transmission shaft are inserted into the notches 10 on the fixing part 1, meshing transmission of the fixing part and the transmission shaft is achieved, meanwhile, the fastener 9 is sleeved on the transmission shaft, the fixing part 1 is tightly fixed on the transmission shaft through connection of internal threads on the inner wall of the fastener 9 and external threads on the outer wall of the transmission shaft, and stable connection between the transmission shaft and the fixing part 1 is achieved.
The working process and principle of the invention are as follows: during the use, install fixed part 1 and paddle 2 earlier on the transmission shaft and fixed with it, then starter motor or engine, drive transmission shaft area paddle 2 rotates, blade cutting end 3 and the waste material contact of paddle 2 and cut it, and the waste material after the cutting realizes absorbing, carrying, collecting functions such as waste material under the effect that blade transport end 4 and space torsion portion 5 produced updraft and promote, has greatly improved the efficiency that the waste material cut and collected. The invention also has the advantages of simple structure, convenient operation and easy implementation.
Example 2:
the embodiment discloses unmanned aerial vehicle propeller blade cutting transport sword, including paddle 2, paddle 2 includes blade cutting end 3, the blade that is used for cutting the crop and carries end 4, the space twist angle 6 that is used for producing the blade profile of updraft and gaseous thrust that is used for carrying the cutting waste material.
As shown in figure 1, a three-dimensional drawing of the unmanned aerial vehicle propeller blade cutting conveying knife is given, and the designed cutting conveying knife simultaneously has a cutting end and a conveying end and has cutting and airflow conveying functions.
In this embodiment, the cutting end working face profile in the unmanned aerial vehicle propeller blade cutting transport sword is right triangle, and one of them face is straight extending face, adopts this right triangle structure can improve the cutting strength of cutting knife, and the load that receives when reducing the cutting makes the durability of cutting knife self higher.
The cutting edge angle of the cutting end is 10 degrees, specifically shown in figure 2, so that the cutting strength is ensured, and the actual processing technology of the cutting conveying cutter can be met.
The conveying end, see fig. 1 in particular, generates an updraft while the cutting knife rotates the cutting object, thereby achieving the absorption and conveyance of the cutting waste.
The spatial twist angle 6 of the blade profile is 35 deg., creating an updraft and gas thrust by twisting.
Please refer to fig. 1, which is a three-dimensional diagram of the cutting and conveying tool of the propeller blade of the unmanned aerial vehicle in this embodiment, and the trial cutting of the cutting tool installed on the tobacco leaf cutting machine shows that the technical scheme of this embodiment has significant effect, good tobacco cutting effect, high conveying rate of cutting waste, and good cutting and conveying performance.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.