CN214961132U - Compound flange knife roll - Google Patents
Compound flange knife roll Download PDFInfo
- Publication number
- CN214961132U CN214961132U CN202121346111.XU CN202121346111U CN214961132U CN 214961132 U CN214961132 U CN 214961132U CN 202121346111 U CN202121346111 U CN 202121346111U CN 214961132 U CN214961132 U CN 214961132U
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- Prior art keywords
- flange
- flange plate
- fixed
- cutter
- blade
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 150000001875 compounds Chemical class 0.000 title claims description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000004575 stone Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000003971 tillage Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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Abstract
The utility model relates to an agricultural machine manufacturing industry and agricultural machinery operation field, double entry flange rotor promptly. The stubble-cleaning cutter comprises a cutter shaft, cutter discs are arranged at intervals along the length direction of the cutter shaft, stubble-cleaning bent blades are arranged and fixed on the cutter discs at intervals along the circumference, the stubble-cleaning bent blades are characterized in that the cutter discs are two flange plates, one flange plate is welded and fixed on the cutter shaft and is called a fixed flange plate, the other flange plate is connected with the fixed flange plate through bolts and is called a movable flange plate, the bent blades are clamped between the two flange plates, and the bent blades are clamped and fixed simultaneously through bolts connected with the movable flange plate. The two sides of the cutter shaft are connected with connecting flange discs connected with the main machine. The bolt of fixing the blade is evenly stressed on two sides under the action of the two flange plates, the bolt is not easy to cut off, the blade is not easy to lose, and the two flange plates are integrated under the condition that the bolt is clamped, so that the structure is more reasonable and firm, and the service life is long.
Description
Technical Field
The utility model relates to an agricultural machine manufacturing industry and agricultural machinery operation field, double entry flange rotor promptly.
Background
In the prior art, the flange type knife bar is used on a stubble crushing and returning machine, such as a bilateral full-gear transmission single-roller through-shaft stubble crushing and returning machine with patent number 201720724970.5. The single-piece flange type cutter rod is mainly formed by welding a single-piece flange on a cutter shaft and then fixing stubble cleaning blades on the flange along the periphery of the flange in sequence by using bolts to finish the operation.
For this approach, in use it was found that: firstly, when the blade meets stones, roots and lying stones during operation, the bolt for fixing the blade is easily cut off due to high resistance, and the blade is easily lost. Secondly, the single flange is easy to deform when meeting the resistance, so that the knife roll is deformed at the same time, thereby affecting the operation effect or being incapable of operating. Thirdly, the overall dynamic balance of the knife roll is damaged when the blade is lost or the flange is deformed, and the working effect and the service life of the machine are influenced by the vibration of the working machine under the condition.
When a single flange knife roll meets the conditions, the blade has to be purchased newly or the knife roll has to be replaced, and unnecessary loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above not enough and a more reasonable, firm and long service life's of structure double entry flange rotor that designs.
The technical solution of the utility model is that: a compound flange knife roller comprises a knife shaft, and cutter discs are arranged at intervals along the length direction of the knife shaft, stubble cleaning bent blades are arranged and fixed on the cutter discs at intervals along the circumference, the compound flange knife roller is characterized in that the cutter discs adopt two flange plates, one flange plate is welded and fixed on the knife shaft and is called a fixed flange plate, the other flange plate is connected with the fixed flange plate through bolts and is called a movable flange plate, the bent blades are clamped between the two flange plates and are simultaneously clamped and fixed by bolts connected with the movable flange plate.
The two sides of the cutter shaft are connected with connecting flange discs connected with the main machine.
Make the bolt both sides atress of fixed blade even under the effect of two ring flanges, difficult messenger's bolt shear cuts off, the blade just is difficult to lose like this, two ring flanges make it become an organic whole under the tight condition of bolt clamp simultaneously, run into the stone, the root of a tree, the difficult production of ring flange is out of shape when crouching ox stone or resistance increase, need not often trade the blade or change the rotor, reduce the unnecessary loss, the trouble of machines has been reduced, the life of high rotor, great improvement operation production efficiency.
The mode of the connection of arbor both sides with the host computer gear has also adopted the flange formula to connect, and the blade roller of this kind of connected mode can be fine assurance blade roller's axiality in the welded, and the stability of better assurance dynamic balance has improved the life of machines greatly, and convenient fast clean when changing the blade roller can change different blade rollers and carry out different operations, for example change the rotary tillage blade roller and carry out the rotary tillage operation in paddy field.
The utility model has the advantages that: 1. the compound flange plate is adopted for installing the blades, the compound flange plate cutter roller is a cutter head flange plate fixedly welded on the cutter shaft and a movable cutter head flange plate, the cutter handle of the stubble cleaning blade is clamped between the two flange plates and clamped by bolts, the mode can ensure that the stress at the two ends of the bolts is uniform and is not easy to generate shearing fracture when the blades are clamped, the strength of the flange plates is increased, the shearing of the bolts is reduced, and the blades are not easy to lose. 2. The fixed flange plate and the movable flange plate are integrated through clamping of the bolts, so that the flange plate is not easy to deform and damage when the fixed blade is easily fixed by stones, tree roots and lying stones, the connection strength is improved, and the service life of the blade is greatly prolonged. 3. The connecting flange and the cutter head flange are welded on a numerical control welding machine at the same time, and the coaxiality and the balance of the cutter roller can be well guaranteed on the cutter shaft. 4, convenient clean soon when changing the rotor, can change different rotors and carry out different operations, for example change rotary tillage rotor and carry out paddy field rotary tillage operation.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic left view of fig. 1.
Fig. 3 is a schematic view of the cutter head.
Fig. 4 is a schematic left view of fig. 3.
Fig. 5 is a schematic view of fig. 3 rotated 30 degrees.
Fig. 6 is a schematic left view of fig. 5.
Detailed Description
Referring to fig. 1-6, the part names are as follows: the cutter comprises a connecting flange plate 1, a cutter shaft 2, a fixed flange plate 3, a movable flange plate 4, a left bent blade 5, a right bent blade 6 and a bolt 7.
Referring to fig. 1-6, the compound flange cutter roll comprises a cutter shaft 2 (made of a circular tube), cutter discs (with a plurality of groups) are arranged at intervals along the length direction of the cutter shaft 2, and stubble-cleaning bent blades are arranged and fixed on the cutter discs at intervals along the circumference, and the compound flange cutter roll is characterized in that the cutter discs adopt two flange plates, one flange plate is welded and fixed on the cutter shaft and is called as a fixed flange plate 3, the other flange plate is connected with the fixed flange plate 3 through bolts 7 and is called as a movable flange plate 4 (so called as compound type), and each group of cutter discs (or called as cutter disc flange plates) comprises a fixed flange plate 3 and a movable flange plate 4. The bending blade (comprising a left bending blade 5 and a right bending blade 6) is clamped between the two flange plates and is simultaneously clamped and fixed by a plurality of bolts 7 connected with the movable flange plate 4. The two sides of the cutter shaft 2 are provided with connecting flange discs 1 (one on each side), the connecting flange discs 1 and the two sides of the cutter shaft 2 are welded together, fixed flange discs 3 are welded on the cutter shaft 2 at intervals, a butted movable flange disc 4 is simultaneously installed when one fixed flange disc 3 is welded, paint is sprayed (baked) through surface treatment after welding, stubble cleaning bent blades are clamped between the fixed flange discs 3 and the movable flange discs 4 and are evenly distributed along the peripheral design sequence and angle of the flange discs (see fig. 3 and 5), each group of flange discs is provided with six blades, three left bent blades 5 and three right bent blades 6 are bent to the opposite sides of the flange discs, namely the left bent blades 5 are bent to the left side, the right bent blades 6 are bent to the right side (see fig. 4 and 6), and cutting states are formed when the bent blades are evenly arranged and rotated at intervals, so that straw root stubbles can be crushed.
Referring to fig. 3 and 5, the stubble cleaning left bent blade 5 and the stubble cleaning right bent blade 6 are uniformly and obliquely fixed at intervals between the fixed flange plate 3 and the movable flange plate 4, so that the stubble cleaning left bent blade and the stubble cleaning right bent blade are beneficial to cutting the stubbles and reducing the cutting resistance. The stubble cleaning left bent blade 5 and the stubble cleaning right bent blade 6 of two adjacent cutter heads have a difference of 30 degrees, namely the two cutter heads from left to right are installed and sequentially staggered by 30 degrees, and the stubble cleaning blades cut in a staggered manner, so that the stubble cleaning machine is beneficial to crushing roots. The stubble-cleaning bent blades are respectively and evenly and obliquely arranged with a left bent blade 5 and a right bent blade 6 at intervals along the middle of the cutter head flange plate, three blades are respectively arranged in a left-right opposite direction.
Referring to fig. 1 and 4, a fixed flange plate 3 and a movable flange plate 4 are alternately strung on a cutter shaft 2, welding heads of a connecting flange plate 1 are inserted into two sides of the cutter shaft, then the connecting flange plate 1 and the fixed flange plate 3 are welded on the cutter shaft 2 according to requirements after being clamped on a numerical control welding bed, and a stubble cleaning blade is installed along the periphery of a flange plate cutter head according to a preset sequence after being painted (baked with paint) to complete the manufacturing of the cutter roller. The operation width of the machine tool is determined by increasing or decreasing the number of the fixed flange plates 3 and the movable flange plates 4.
Referring to fig. 1-6, in order to better achieve the working effect of ploughing and improve the service life of the cutter roll, the utility model adopts a double flange plate installation stubble-cleaning bent blade mode, i.e. a movable flange plate 4 is added at the same time of welding a cutter roll fixed flange plate 3, the connecting flange plate 1 is welded at the two sides of the cutter roll and connected with a host computer, during installation, a left bent blade 5 and a right bent blade 6 are clamped between the fixed flange plate 3 and the movable flange plate 4, and are oppositely and uniformly arranged along the periphery of the flange plate according to a certain angle interval, and then the two flange plates are clamped by bolts 7, and the blade can be clamped by the installation mode, and meanwhile, the two flange plates and the blade are integrated under the condition that the bolts 7 are screwed, so the bearing strength of the flange plates can be increased, and the two sides of the clamping bolts 7 are uniformly stressed under the action of the two flange plates, greatly reduced bolt 7's shearing force, this kind of double entry ring flange rotor is in the course of the work, meeting under the condition of stone, root, crouching the ox stone, hard soil ground, blade disc ring flange non-deformable damages, need not often change the rotor, be in addition because bolt 7 is difficult for producing the shearing under the effect of two ring flanges, the blade just is difficult for losing under such condition and produces the less tillage and missing the phenomenon of ploughing, also need not often change the blade, is improving rotor safe handling efficiency and work efficiency. Simultaneously, the influence on the operation effect caused by the deformation of the cutter head flange and the loss of the blades is avoided,
the above description is only exemplary of the present invention, and the various illustrations do not limit the essence of the present invention.
Claims (2)
1. A compound flange knife roll comprises a knife shaft (2), a knife disc is arranged at intervals along the length direction of the knife shaft (2), stubble cleaning bent blades are arranged and fixed on the knife disc at intervals along the circumference, the compound flange knife roll is characterized in that the knife disc adopts two flange plates, one flange plate is welded and fixed on the knife shaft and is called a fixed flange plate (3), the other flange plate is connected with the fixed flange plate (3) through bolts (7) and is called a movable flange plate (4), the bent blades are clamped between the two flange plates, and then the bent blades are clamped and fixed by the bolts (7) connected with the movable flange plate (4).
2. Compound flange roll according to claim 1, characterized in that the two sides of the knife shaft (2) are connected with connecting flanges (1) connected with the main machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121346111.XU CN214961132U (en) | 2021-06-17 | 2021-06-17 | Compound flange knife roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121346111.XU CN214961132U (en) | 2021-06-17 | 2021-06-17 | Compound flange knife roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214961132U true CN214961132U (en) | 2021-12-03 |
Family
ID=79128669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121346111.XU Expired - Fee Related CN214961132U (en) | 2021-06-17 | 2021-06-17 | Compound flange knife roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214961132U (en) |
-
2021
- 2021-06-17 CN CN202121346111.XU patent/CN214961132U/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: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |