CN211090764U - Rotor of hay cutter with axial positioning device - Google Patents

Abstract

A rotor of a hay cutter with an axial positioning device comprises a driving wheel connected with a power mechanism, a main shaft is coaxially arranged on the driving wheel, the driving wheel is positioned at the right end of the main shaft, a movable cutter holder vertical to the main shaft is sleeved at the middle position of the main shaft, the movable knife rest is provided with a plurality of movable knives and a plurality of fan blades for stirring grass, the right end of the movable knife rest is provided with an axial positioning device, axial positioning device include through threaded connection epaxial set nut, with set nut passes through screw locking's lock round nut, is used for axial fixity set nut and a plurality of bolts that move the tool holder, be used for fixing set nut and the relative position's of moving the tool holder holding screw, with the nut that the holding screw cooperation was used, the utility model discloses simple structure, convenient to use, accessible axial displacement move the tool holder and move tool and stationary knife clearance adjustment.

Description

Rotor of hay cutter with axial positioning device

Technical Field

The utility model relates to a hay cutter technical field especially relates to a hay cutter rotor with axial positioning device.

Background

The hay cutter is multi-functional in the existing market, and is high in power, high in working efficiency, replace traditional hay cutter device, an agricultural livestock feed processing machinery for cutting various crop straws such as green (dry) corn stalk, rice straw and forage grass, be suitable for breeding cattle, sheep, horse, livestock such as deer, become the good helper of raiser's hay cutter cutting, wherein there is rotor structure in the hay cutter, rotor structure sets up the mechanism that is used for the hay cutter to cut the raw materials in the hay cutter, current rotor structure, it is fixed with the connected mode of main shaft to move the knife rest, make unable through axial displacement move the knife rest to advance the action, the adjustment in stationary knife clearance, influence the use.

Disclosure of Invention

An object of the utility model is to overcome the not enough among the prior art, provide a simple structure, convenient to use, accessible axial displacement move the tool rest and move the hay cutter rotor that has axial positioning device that sword and stationary knife clearance adjustment.

The utility model discloses a realize through following technical scheme:

the utility model provides a hay cutter rotor with axial positioning device, is including being used for the drive wheel of being connected with power unit, the coaxial main shaft that is equipped with on the drive wheel, the drive wheel is located the right-hand member of main shaft, the intermediate position cover is equipped with main shaft vertically moves the knife rest on the main shaft, move and be equipped with a plurality of blades that move the knife and be used for dialling the grass on the knife rest, the right-hand member that moves the knife rest is equipped with axial positioning device, axial positioning device include through threaded connection main epaxial set nut, with set nut pass through the locking round nut of screw thread locking, be used for axial fixity set nut and a plurality of bolts that move the knife rest, be used for fixing set nut and the set screw that move the relative position of knife rest, with the nut that set.

Preferably, the main shaft is provided with support pieces at two sides of the movable tool holder for fixing the main shaft on the frame, each support piece comprises a bearing seat sleeved on the main shaft, the bearing seat is provided with a bearing sleeved on the main shaft, and the bearing seat is also provided with a bearing gland sleeved on the main shaft.

Preferably, a straight-through type pressure injection oil cup is arranged on the bearing seat, and the bottom end of the straight-through type pressure injection oil cup is communicated with the bearing.

Preferably, the movable knife rest comprises a sleeve sleeved on the main shaft, a plurality of blades uniformly distributed on the sleeve and a connecting plate vertically connected with the blades, the movable knife is connected with the connecting plate, and the blades are connected with the blades.

Preferably, the number of the blades, the connecting plate, the fan blades and the movable blade is three.

Preferably, a reinforcing plate for increasing the bonding strength is arranged between two adjacent blades and sleeves.

Preferably, the knife edges of the movable knife face towards the counterclockwise direction.

Preferably, one side of the connecting plate, which is close to the knife edge of the movable knife, is provided with an arc shape which is the same as the knife edge shape of the movable knife.

The beneficial effects of the utility model reside in that: the utility model discloses simple structure, high durability and convenient use, it passes through the thread tightening to set up set nut and fixes on the main shaft, set up locking round nut and set nut and lock through the screw thread, set nut carries out axial fixity through bolt and knife rest, set up holding screw and fix on set nut and through nut and set nut locking, when needing to carry out clearance adjustment, loosen nut and holding screw, then make the knife rest carry out axial displacement through adjusting bolt, after the clearance adjustment is accomplished, top holding screw and lock nut, advance action through the axial displacement of knife rest, the adjustment of stationary knife clearance, the adjustment mode is simple and convenient; the movable knife is connected with the movable knife rest through the bolt, and the movable knife is convenient to disassemble, so that the movable knife is convenient to replace after being worn; the bearing seat is provided with the straight-through type pressure injection oil cup, so that the bearing can be continuously lubricated, and the durability is enhanced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along the major axis of FIG. 1;

wherein: the device comprises a sleeve 1, a moving blade 2, a positioning nut 3, a bolt 4, a locking round nut 5, a main shaft 6, a set screw 7, a nut 8, a driving wheel 9, a first flat key 10, a blade 11, a second flat key 12, a fan blade 13, a connecting plate 14, a reinforcing plate 15, a through type pressure filling oil cup 16, a bearing seat 17 and a bearing gland 18.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-2, a rotor of a hay cutter with an axial positioning device comprises a driving wheel 9 connected with a power mechanism, a main shaft 6 is coaxially installed on the driving wheel 9, the driving wheel 9 is located at the right end of the main shaft 6, the driving wheel 9 is connected with the main shaft 6 through a first flat key 10, a movable knife rest perpendicular to the main shaft 6 is sleeved at the middle position of the main shaft 6, the movable knife rest comprises a sleeve 1 sleeved on the main shaft 6, three blades 11 evenly distributed on the sleeve 1 and a connecting plate 14 perpendicular to the blades 11, the sleeve 1 is connected with the main shaft 6 through a second flat key 12, the three blades 11 are welded along the circumference of the outer wall of the sleeve 1 in a subsection mode, the distances between every two adjacent blades 11 are the same, the plane where the blades 11 are located is axially distributed along the main shaft 6, a reinforcing plate 15 for increasing the bonding strength of the two adjacent blades 11, the overall structure is more robust. The blade 11 is welded with a connecting plate 14, the connecting plate 14 is perpendicular to the blade 11, the connecting plate 14 and the blades 11 are the same in number, the edge position of the connecting plate 14 is connected with the movable blade 2 through a bolt 4, the disassembly and the assembly are rapid, the movable blade 2 is convenient to replace after being worn, one side, close to the knife edge of the movable blade 2, of the connecting plate 14 is in an arc shape the same as the knife edge shape of the movable blade 2, the knife edge of the movable blade 2 faces in the anticlockwise direction, and the edge position of the blade 11 is connected with a fan blade 13 for grass poking through the. The plane of the fan blade 13 is vertical to the plane of the movable blade 2, the fan blade 13 pokes grass, the movable blade 2 cuts grass, and the work efficiency is high.

The right end of the movable tool holder is provided with an axial positioning device, and the axial positioning device comprises a positioning nut 3 which is connected to a main shaft 6 through threads, a locking round nut 5 which is locked with the positioning nut 3 through threads, a plurality of bolts 4 which are used for axially fixing the positioning nut 3 and the movable tool holder, a set screw 7 which is used for fixing the relative positions of the positioning nut 3 and the movable tool holder, and a nut 8 which is matched with the set screw 7 for use. Positioning nut 3 is fixed on main shaft 6 through the screw thread, lock round nut 5 and positioning nut 3 and lock through the screw thread, positioning nut 3 carries out axial fixity through bolt 4 and knife rest, holding screw 7 is fixed on positioning nut 3 and is locked fixedly through nut 8 and positioning nut 3, when needing to carry out clearance adjustment, loosen nut 8 and holding screw 7, then make the knife rest carry out axial displacement through adjusting bolt 4, after the clearance adjustment is accomplished, top holding screw 7 and lock nut 8, move about through the axial displacement of knife rest, the adjustment of knife rest clearance, the adjustment mode is simple and convenient.

The supporting piece is arranged on the two sides of the movable tool rest on the main shaft 6 and used for fixing the main shaft 6 on the rack, the supporting piece comprises a bearing seat 17 sleeved on the main shaft 6, a bearing sleeved on the main shaft 6 is arranged on the bearing seat 17, a bearing gland 18 sleeved on the main shaft 6 is further arranged on the bearing seat 17, a straight-through type pressure injection oil cup 16 is further arranged on the bearing seat 17, the bottom end of the straight-through type pressure injection oil cup 16 is communicated with the bearing, lubricating oil is filled in the straight-through type pressure injection oil cup 16, the lubricating oil enters the bearing from the bottom end of the straight-through type pressure injection oil cup 16 and further continuously lubricates the bearing, the durability is enhanced, meanwhile, the bearing gland 18 seals the bearing, the bearing can be effectively guaranteed not to be interfered by the outside.

When the automatic grass cutting machine works, the output end of a power mechanism (motor) is connected with a driving wheel 9 through a belt and drives the driving wheel 9 to rotate, the driving wheel 9 drives a main shaft 6 to coaxially rotate, the main shaft 6 drives a movable cutter frame to rotate, blades 13 are used for poking grass, a movable cutter 2 is matched with a fixed cutter for cutting grass, when clearance adjustment is needed, a nut 8 and a set screw 7 are loosened, then the movable cutter frame is axially moved through an adjusting bolt 4, after the clearance adjustment is completed, the set screw 7 is tightly pressed and the nut 8 is locked, the action is carried out through the axial movement of the movable cutter frame, the clearance of the fixed cutter is adjusted, and the adjusting mode.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a hay cutter rotor with axial positioning device, is including being used for the drive wheel of being connected with power unit, its characterized in that: the coaxial main shaft that is equipped with on the drive wheel, the drive wheel is located the right-hand member of main shaft, the intermediate position cover is equipped with and moves the knife rest with main shaft vertically on the main shaft, move and be equipped with a plurality of blades that move the sword and be used for dialling the grass on the knife rest, the right-hand member that moves the knife rest is equipped with axial positioning device, axial positioning device include through threaded connection main epaxial set nut, with set nut passes through the lock round nut of screw thread locking, is used for axial fixity set nut and a plurality of bolts that move the knife rest, be used for fixing set nut and the set screw that moves the relative position of knife rest, with the nut that set screw cooperation was used.

2. A hay cutter rotor with axial positioning means, as claimed in claim 1, wherein: the supporting pieces used for fixing the main shaft on the machine frame are arranged on two sides, located on the movable tool rest, of the main shaft and comprise bearing blocks sleeved on the main shaft, bearings sleeved on the main shaft are arranged on the bearing blocks, and bearing pressing covers sleeved on the main shaft are further arranged on the bearing blocks.

3. A hay cutter rotor with axial positioning means, as claimed in claim 2, wherein: and a straight-through type pressure injection oil cup is arranged on the bearing seat, and the bottom end of the straight-through type pressure injection oil cup is communicated with the bearing.

4. A hay cutter rotor with axial positioning means, as claimed in claim 1, wherein: the movable knife rest comprises a sleeve sleeved on the main shaft, a plurality of blades uniformly distributed on the sleeve and a connecting plate vertically connected with the blades, the movable knife is connected with the connecting plate, and the blades are connected with the blades.

5. A hay cutter rotor with axial positioning means according to claim 4, wherein: the blades, the connecting plate, the fan blades and the movable blades are all three.

6. A hay cutter rotor with axial positioning means, as claimed in claim 5, wherein: and a reinforcing plate for increasing the bonding strength is arranged between every two adjacent blades and the sleeve.

7. A hay cutter rotor with axial positioning means, as claimed in claim 1, wherein: the knife edges of the movable knives face in the anticlockwise direction.

8. A hay cutter rotor with axial positioning means according to claim 4, wherein: one side of the connecting plate, which is close to the knife edge of the movable knife, is provided with an arc shape which is the same as the knife edge shape of the movable knife.

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