CN211831974U - Threshing machine - Google Patents

Abstract

The utility model relates to an agricultural equipment technical field, concretely relates to thresher, which comprises a frame, be fixed with threshing warehouse in the frame, be equipped with threshing roller in the threshing warehouse, threshing roller fixedly connected with roller, threshing warehouse intercommunication has the feeder hopper, be fixed with baffle and crossbeam in the frame, be equipped with on the baffle with roller complex through-hole, be fixed with on the crossbeam and rotate the bearing frame of being connected with the roller, be fixed with the belt pulley on the roller, the belt pulley is fixed with the axle sleeve, be equipped with on the axle sleeve with roller complex mating holes, be equipped with on the axle sleeve lateral wall with the mating holes perpendicular and communicating vertical hole, the detachable connecting piece that is fixed with in vertical hole. The belt pulley can be installed through the connecting piece in the scheme, and the installation efficiency is high.

Description

Threshing machine

Technical Field

The utility model relates to the technical field of agricultural equipment, concretely relates to threshing machine.

Background

Traditionally, corn threshing is carried out manually, in order to reduce labor intensity in the corn threshing process and improve threshing efficiency, the company applies two patents of a double-roller threshing machine (CN104885711A), but the following problems exist in the production process:

present belt pulley adopts the key to fix usually, and the operation degree of difficulty is high during the installation, influences the installation effectiveness, and it is big to dismantle the degree of difficulty after the key installation simultaneously, is not convenient for the belt pulley to change.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a threshing machine, which solves the problem of low installation efficiency of belt pulleys in the prior art.

The scheme is basically as follows: the utility model provides a threshing machine, which comprises a frame, be fixed with threshing warehouse in the frame, be equipped with threshing roller in the threshing warehouse, threshing roller fixedly connected with roller, the roller is connected with the belt pulley, threshing warehouse intercommunication has the feeder hopper, be fixed with baffle and crossbeam in the frame, be equipped with on the baffle with roller complex through-hole, be fixed with on the crossbeam with the roller rotate the bearing frame of being connected, belt pulley connection has the axle sleeve, be equipped with on the axle sleeve with roller complex mating holes, be equipped with on the axle sleeve lateral wall with the mating holes perpendicular and communicating perpendicular hole, perpendicular hole is detachable to be fixed with the connecting piece.

Has the advantages that: in this scheme, only need use the connecting piece (like bolt or fixed pin) to pass the vertical hole to be connected in the cooperation hole with the roller, can realize the installation of belt pulley, prior art relatively, this scheme operation is simpler, does benefit to the belt pulley simultaneously and dismantles the change. In addition, the baffle can reduce dust entering the inner part of the threshing bin; the stability of the multiplicable roller of bearing frame, relative roller and baffle direct rotation are connected, reduce the frame vibration.

Furthermore, the vertical hole is a threaded hole, and the connecting piece adopts a bolt and is in threaded connection with the vertical hole. The bolt is for the fixed pin, and the installation and the dismantlement process are simpler.

Further, be equipped with the fixed plate in the frame, fixed plate one end is articulated with the frame, is equipped with the damping piece between the other end and the frame, is fixed with the motor on the fixed plate, and the motor is connected with main belt pulley, is connected with the belt between main belt pulley and the belt pulley.

The vibration damping piece can reduce the vibration transmitted to the frame by the motor, and the motor drives the threshing roller to thresh through the belt.

Further, the damping piece includes the pole fixed with the frame, and the cover has the spring that offsets with the fixed plate on the pole, is equipped with the perforation that supplies the pole to pass on the fixed plate, and the pole upper end is connected with lock nut.

Through twisting the nut, can realize the operation that the belt tightened, prior art improves belt installation rate relatively, and the spring reduces the vibration through elastic buffer, does benefit to the height according to different motor size regulation fixed plates simultaneously.

Further, the belt pulley comprises a roller belt pulley I and a roller belt pulley II, and a guide wheel connected with a belt is further rotatably connected to the rack. Therefore, two threshing rollers can be used for processing, the processing efficiency is improved, and the stability of the belt is improved by the guide wheels.

Further, the feeder hopper is articulated through the articulated elements with the frame, and belt pulley fixedly connected with offsets the cam with feeder hopper one end.

In the prior art, partial residues such as corn cobs, corn kernels and corn stigma exist in the feeding hopper frequently, the risk is high during manual cleaning, and the cam can push the feeding hopper to reciprocate, so that the inclination of the feeding hopper is changed repeatedly, and the retention difficulty of the residues in the feeding hopper is improved.

Furthermore, the hinged part comprises a hinged plate fixed with the frame, and a hinged shaft rotationally connected with the hinged plate is fixed on the feed hopper.

Guarantee feeder hopper motion stability like this, parts machining and the installation degree of difficulty are low simultaneously.

Furthermore, a reinforcing rib is fixed at the position where the feed hopper is abutted to the cam. The deformation of the feed hopper under the thrust of the cam is reduced.

Furthermore, a limiting plate which can be abutted against the feed hopper is fixed on the threshing bin. The limiting plate can be restricted to the feed hopper turned angle with the baffle cooperation, avoids the feed hopper too big and unstable at feeding in-process movable angle.

Furthermore, an elastic piece is fixed on the limiting plate. The impact force of the feed hopper can be buffered, and the noise and the vibration are reduced.

Drawings

Fig. 1 is a schematic side view of a first embodiment of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 6 is a schematic sectional view of a part of a triple-feed hopper according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a frame 1, a motor 11, a baffle 12, a fixed plate 13, a vibration damper 14, a cross beam 16, a threshing bin 17, a bearing seat 18, a belt 20, a driving belt pulley 21, a roller belt pulley I22, a roller belt pulley II 23, a shaft sleeve 26, a guide wheel 24, a feed hopper 30, a hinge plate 41, a cam 4, a hinge shaft 42, a reinforcing rib 43, a limiting plate 44, a limiting seat 51 and a limiting block 51.

The first embodiment is basically as follows:

a threshing machine is shown in figures 1 and 2 and comprises a frame 1, a threshing bin 17 and two threshing rollers positioned in the threshing bin 17, wherein the threshing bin 17 is fixed with the frame 1, a feed hopper 30 communicated with the threshing bin 17 is fixedly connected to the frame 1, the feed hopper 30 is obliquely arranged, a baffle 12 is arranged below the feed hopper 30, and the baffle 12 is fixed with the frame 1 through bolts. Be equipped with on baffle 12 two with roller complex through-hole, threshing warehouse 17 is worn out through the through-hole to the roller of two threshing rollers, as shown in fig. 1, respectively fixedly connected with belt 20 wheel (roller belt pulley 22 and roller belt pulley two 23) behind threshing warehouse 17 is worn out to the roller, concrete fixed connection mode: all welded fastening has axle sleeve 26 on roller belt pulley 22 and the roller belt pulley two 23, be equipped with on the axle sleeve 26 with roller complex mating holes, set up on the lateral wall of axle sleeve 26 with the mating holes perpendicular and communicating vertical hole, this vertical hole is the screw hole, vertical hole female connection has the bolt, the bolt supports tightly with the roller in the mating holes to realize the fixed of roller belt pulley 22 and roller belt pulley two 23 and roller. The frame 1 is rotatably connected with a guide wheel 24 through a shaft and a bearing. And a cross beam 16 is arranged below the baffle 12, and the cross beam 16 is fixedly welded with the frame 1. As shown in fig. 3, a bearing seat 18 is fixed on the cross beam 16 through a bolt, and the roll shaft passes through the bearing seat 18 and is rotatably connected with the bearing seat 18 through a bearing.

As shown in fig. 1, be equipped with fixed plate 13 on the frame 1, the right-hand member of fixed plate 13 is articulated with frame 1, is connected through damping piece 14 between left end and the frame 1, and damping piece 14 includes the pole fixed with frame 1, and the cover is equipped with the spring on the pole, and the position that fixed plate 13 corresponds the pole has seted up the perforation, and the upper end of pole passes the perforation and with perforation clearance fit, the upper end of pole has lock nut still threaded connection. The upper surface of the fixed plate 13 is fixed with a motor 11 through bolts, and an output shaft of the motor 11 is fixedly connected with a driving belt pulley 21. The belt 20 is wound on the driving pulley 21, the roller pulley one 22, the roller pulley two 23 and the guide pulley 24.

In the embodiment, the bearing seat 18 and the cross beam 16 act together to stabilize the roll shaft, and the roll shaft is directly and rotatably connected with the baffle 12 relative to the roll shaft, so that the vibration of the frame 1 is reduced; the shaft sleeve 26 and the bolt are used for fixing the roller belt pulley I22 and the roller belt pulley II 23, so that the installation is more convenient and quicker; the fixing plate 13 is hinged so that when the motor 11 is installed, it is advantageous to tighten the belt 20 by screwing the nut in the vibration damping member 14 while the spring in the vibration damping member 14 is compressed, and the vibration of the motor 11 can be buffered by the elastic force, thereby reducing the vibration of the housing 1 while stabilizing the power transmission.

Example two:

the difference from the first embodiment is that, as shown in fig. 4, a circular limiting seat 50 is coaxially welded on the roller shaft, a plurality of limiting grooves are formed in the limiting seat 50 along the radius direction, and a plurality of limiting blocks 51 which can be matched with the limiting grooves one by one are welded on the surface of the roller belt pulley one 22 facing the bearing seat 18; meanwhile, the shaft sleeve 26 is not fixedly connected with the first roller belt wheel 22, and the shaft sleeve 26 is in threaded connection with the end part of the roller shaft. When the first roller belt pulley 22 is installed, the roller shaft firstly penetrates through a hole in the center of the first roller belt pulley 22, the limiting blocks 51 are matched with the limiting grooves one by one, and then the shaft sleeve 26 is screwed down to enable the shaft sleeve to tightly support the first roller belt pulley 22.

Example three:

the difference between the two embodiments is that the feeding funnel 30 is hinged to the frame 1 by means of a hinge, as shown in fig. 5. The hinge member includes a hinge plate 41 welded to the frame 1, and a hinge shaft 42 rotatably connected to the hinge plate 41 is fixed to the feeding hopper 30. As shown in figure 6, the first roller belt wheel 22 is fixedly connected with a cam 4 coaxially, the cam 4 and the limiting seat are integrally formed, a reinforcing rib 43 is fixed on the lower surface of the feed hopper 30, and the cam 4 is abutted to the reinforcing rib 43. A limiting plate 44 is welded on the threshing bin 17, and the limiting plate 44 and the baffle plate 12 can limit the rotation angle of the feed hopper 30. The surfaces of the baffle 12 and the retainer plate 44 facing the hopper 30 are fixed with elastic members (not shown), which are made of elastic rubber or springs in this embodiment.

When feeding into the feeding hopper 30, the cam 4 rotates and the gravity action of the left end part of the feeding hopper 30 is added, so that the left end of the feeding hopper 30 reciprocates up and down to shake, corn products can smoothly enter the threshing bin 17 in the feeding hopper 30, and residues in the feeding hopper 30 are reduced. The elastic member damps the force between the hopper 30 and the stopper plate 44 and the damper 12, and reduces vibration and noise.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a threshing machine, includes the frame, is fixed with threshing warehouse in the frame, is equipped with threshing roller in the threshing warehouse, threshing roller fixedly connected with roller, and the roller is connected with the belt pulley, and threshing warehouse intercommunication has feeder hopper, its characterized in that: the frame is fixed with baffle and crossbeam in, be equipped with on the baffle with roller complex through-hole, be fixed with on the crossbeam with the roller rotate the bearing frame of being connected, belt pulley connection has the axle sleeve, be equipped with on the axle sleeve with roller complex mating holes, be equipped with on the axle sleeve lateral wall with the mating holes perpendicular and communicating perpendicular hole, perpendicular hole detachable is fixed with the connecting piece.

2. A threshing machine according to claim 1, wherein: the vertical hole is a threaded hole, and the connecting piece adopts a bolt and is in threaded connection with the vertical hole.

3. A threshing machine according to claim 2, wherein: the automatic belt conveyor is characterized in that a fixed plate is arranged on the rack, one end of the fixed plate is hinged to the rack, a vibration damping part is arranged between the other end of the fixed plate and the rack, a motor is fixed on the fixed plate and connected with a main belt pulley, and a belt is connected between the main belt pulley and the belt pulley.

4. A threshing machine according to claim 3, wherein: the damping piece includes the pole fixed with the frame, and the cover has the spring that offsets with the fixed plate on the pole, is equipped with the perforation that supplies the pole to pass on the fixed plate, and the pole upper end is connected with lock nut.

5. A threshing machine according to claim 4, wherein: the belt pulley comprises a roller belt pulley I and a roller belt pulley II, and a guide wheel connected with a belt is further rotatably connected to the rack.

6. A threshing machine according to any one of claims 1-5, characterized in that: the feeder hopper is articulated with the frame through the articulated elements, and belt pulley fixedly connected with offsets the cam with feeder hopper one end.

7. A threshing machine according to claim 6, wherein: the articulated elements comprise articulated plates fixed with the frame, and articulated shafts rotationally connected with the articulated plates are fixed on the feed hopper.

8. A threshing machine according to claim 7, wherein: and reinforcing ribs are fixed at the positions where the feed hopper is abutted to the cam.

9. A threshing machine according to claim 8, wherein: and a limiting plate which can be abutted against the feed hopper is fixed on the threshing bin.

10. A threshing machine according to claim 9, wherein: and the limiting plate is fixedly provided with an elastic piece.

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