CN219679268U - Threshing device of harvester - Google Patents

Abstract

The utility model discloses a threshing device of a harvester, which comprises a shell, wherein the shell is fixed on the harvester, a feed inlet communicated with the inner cavity of the shell is fixed at the top end of the shell, a discharge outlet is fixed at the bottom end of the outer wall of the shell, a mounting plate is fixed on the outer wall of the shell, and a straw discharge outlet communicated with the inner cavity of the shell is fixed on the outer wall of the shell; the threshing mechanism comprises threshing rollers symmetrically and rotatably arranged on the inner wall of the shell, a first motor coaxially connected with one threshing roller, a first belt wheel fixed on the threshing roller, a first driving belt sleeved on the first belt wheel, a discharge roller rotatably arranged on the inner wall of the straw discharge port and a driving assembly for driving the discharge roller to rotate; the sieve plate is fixed on the inner wall of the shell and below the threshing roller. The wall cleaning component is arranged below the sieve plate and can clean impurities adhered to the inner wall of the outer shell. Can replace the manual work and clean the dust adhered on the inner wall of the threshing device under the condition of no shutdown.

Description

Threshing device of harvester

Technical Field

The utility model relates to the field of threshing of a harvester, in particular to a threshing device of the harvester.

Background

The advent and use of harvesters in harvesting straw-bearing crops such as wheat, barley, rice, etc. has greatly increased the efficiency of harvesting these straw-bearing crops.

Harvesters, such as combine harvesters, typically include a cutting device and a threshing device with an inlet of the threshing device being positioned towards the cutting device. The cutting device harvests the crops with the straw from the farmland, and feeds the harvested crops with the straw into the threshing device from the inlet of the threshing device. In the process that the harvested crops are driven from the inlet of the threshing device to the outlet, the threshing device separates grain particles and straws of the harvested crops with straws, wherein the grain particles are collected through the side part of the threshing device, and the straws are discharged through the outlet of the threshing device, which is arranged at the end part.

However, the crops grow in the field and are stained with a lot of dust, and when threshing, the dust falls into threshing device, can slowly adhere on threshing device's inner wall, and the time just needs the manual cleaning of shut down, because there are a lot of sharp parts in the threshing device for cleaning up work is very dangerous, also extravagant manpower.

Disclosure of Invention

The utility model aims to provide a threshing device of a harvester, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides a threshing device of a harvester, which comprises a shell, a threshing mechanism, a sieve plate and a wall cleaning assembly.

The harvester comprises a shell, a harvester body, a harvester cavity, a straw outlet, a discharging hole, a mounting plate, a straw outlet and a straw discharging hole, wherein the top end of the shell is fixedly provided with a feeding hole communicated with the inner cavity of the shell;

the threshing mechanism comprises threshing rollers symmetrically and rotatably arranged on the inner wall of the shell, a first motor coaxially connected with one threshing roller, a first belt wheel fixed on the threshing roller, a first driving belt sleeved on the first belt wheel, a discharging roller rotatably arranged on the inner wall of the straw discharging outlet and a driving assembly for driving the discharging roller to rotate;

the sieve plate is fixed on the inner wall of the shell and below the threshing roller;

the wall cleaning component is arranged below the sieve plate and can clean impurities adhered to the inner wall of the shell.

As a preferable scheme of the threshing device of the harvester, an auger is fixed on the inner wall of the discharge hole, a second motor is coaxially connected to the outer end of the auger, and a grain dropping groove is formed in the top end of the discharge hole.

As a preferable scheme of the threshing device of the harvester, the driving assembly comprises a first bevel gear fixed on the outer wall of the threshing roller, a second bevel gear meshed with the first bevel gear, a first rotating rod rotatably mounted on the mounting plate and fixed with the second bevel gear, a second belt wheel fixed on the outer ends of the first rotating rod and the discharging roller, and a second driving belt sleeved on the second belt wheel.

As a preferred scheme of the threshing device of the harvester, the wall cleaning assembly comprises a baffle ring fixed on the inner wall of the shell, a rotary circular plate arranged at a round hole in the middle of the baffle ring, a scraping plate fixed on the top end of the rotary circular plate and contacted with the inner wall of the shell, a second rotating rod rotatably arranged at the bottom end of the shell and fixed on the bottom surface of the rotary circular plate, a worm wheel fixed on the second rotating rod and a worm fixed on the outer end of the auger and meshed with the worm wheel.

As a preferable scheme of the threshing device of the harvester, a fan is fixed on the outer wall of the shell, the fan is positioned between the sieve plate and the threshing roller, and the fan blows to the straw discharge port from the outside of the shell.

Compared with the prior art, the utility model has the following beneficial effects: harvesting crops into a threshing device by a harvester, and separating straw and grain particles by a threshing roller; through the arrangement of the cleaning component, when a large amount of dust on crops is accumulated on the inner wall of the threshing device, the dust can be cleaned in time; can replace the manual work and clean the dust adhered on the inner wall of the threshing device under the condition of no shutdown.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure of a threshing device of a harvester according to the utility model at a first view;

fig. 2 is a cut-away view of a threshing device of a harvester according to the utility model at a second view.

In the figure: 100. a housing; 100a, a feed inlet; 100b, a discharge hole; 100b1, auger; 100b2, a second motor; 100b3, a granule falling groove; 100c, mounting plate; 100d, a straw discharge port; 100e, a fan; 200. a threshing mechanism; 210. threshing roller; 220. a first motor; 230. a first pulley; 240. a first belt; 250. a discharge roller; 260. a drive assembly; 260a, a first bevel gear; 260b, a second bevel gear; 260c, a first rotating lever; 260d, a second pulley; 260e, a second transmission belt; 300. a sieve plate; 400. a wall cleaning assembly; 410. a baffle ring; 420. rotating the circular plate; 430. a scraper; 440. a second rotating lever; 450. a worm wheel; 460. a worm.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

The utility model provides a threshing device of a harvester, which can replace manual work to clean dust adhered on the inner wall of the threshing device under the condition of no shutdown.

Fig. 1-2 are schematic structural views of a threshing device of a harvester according to an embodiment of the utility model, referring to fig. 1-2, a threshing device of a harvester according to the utility model comprises a main body part comprising a shell 100, a threshing mechanism 200, a sieve plate 300 and a wall cleaning assembly 400.

The shell 100 is fixed on the harvester, the top end of the shell is fixed with a feed inlet 100a communicated with the inner cavity of the shell 100, the bottom end of the outer wall of the shell is fixed with a discharge outlet 100b, the outer wall of the shell is fixed with a mounting plate 100c, and the outer wall of the shell is fixed with a straw discharge outlet 100d communicated with the inner cavity of the shell 100. An auger 100b1 is fixed on the inner wall of the discharge hole 100b, a second motor 100b2 is coaxially connected to the outer end of the auger 100b1, and a granule falling groove 100b3 is formed in the top end of the discharge hole 100 b; the outer wall of the shell 100 is fixed with a fan 100e, the fan 100e is positioned between the sieve plate 300 and the threshing roller 210, the outside of the shell 100 of the fan 100e blows to the straw discharge port 100d, when the threshing machine is used, crops are firstly harvested into the feed port 100a by the harvester, after passing through the threshing mechanism 200, the straws and grain particles of the crops are separated, most of the straws are output to the outside of the straw discharge port 100d by the threshing roller 210, namely the discharge device, and the fan 100e is also always in a starting state, and the air blows the straws to the straw discharge port 100d. The grains directly fall onto the sieve plate 300, and pass through the sieve plate 300, so that the small broken branches and leaves on the straw are separated by the sieve plate 300, and the small broken branches and leaves are blown to the straw discharge port 100d by the fan 100 e;

the threshing mechanism 200 comprises threshing rollers 210 symmetrically and rotatably mounted on the inner wall of the housing 100, a first motor 220 coaxially connected with one threshing roller 210, a first belt pulley 230 fixed on the threshing roller 210, a first driving belt 240 sleeved on the first belt pulley 230, a discharging roller 250 rotatably mounted on the inner wall of the straw discharging port 100d and a driving assembly 260 for driving the discharging roller 250 to rotate. The driving assembly 260 comprises a first bevel gear 260a fixed on the outer wall of the threshing roller 210, a second bevel gear 260b meshed with the first bevel gear 260a, a first rotating rod 260c rotatably installed on the mounting plate 100c and fixed with the second bevel gear 260b, a second belt wheel 260d fixed on the outer ends of the first rotating rod 260c and the discharging roller 250, and a second driving belt 260e sleeved on the second belt wheel 260d, the threshing roller 210 is provided with a screw structure, most of straws are conveyed to the straw discharging port 100d while threshing, the discharging roller 250 also rotates synchronously, and the discharging roller 250 further stirs the straws to the outside of the device;

the sieve plate 300 is fixed to the inner wall of the housing 100 below the threshing roller 210.

The wall cleaning assembly 400 is disposed under the screen 300 and cleans impurities adhered to the inner wall of the housing 100. The wall cleaning assembly 400 includes a baffle ring 410 fixed on the inner wall of the casing 100, a rotating circular plate 420 disposed at a circular hole in the middle of the baffle ring 410, a scraper 430 fixed on the top end of the rotating circular plate 420 and contacting the inner wall of the casing 100, a second rotating rod 440 rotatably mounted on the bottom end of the casing 100 and fixed on the bottom surface of the rotating circular plate 420, a worm gear 450 fixed on the second rotating rod 440, and a worm 460 fixed on the outer end of the worm 100b1 and meshed with the worm gear 450, when in use, the second motor 100b2 rotates to drive the worm 100b1 to rotate, and the worm 460 synchronously rotates to drive the worm gear 450 to rotate to drive the rotating circular plate 420 to rotate to drive the scraper 430 to be stuck on the inner wall of the casing 100, so that dust adhered on the inner wall of the casing 100 can be scraped.

Referring to fig. 1-2, the threshing device of the harvester is in the following specific embodiment: firstly, the harvester harvests crops into the feed inlet 100a, after passing through the threshing mechanism 200, the straws of the crops are separated from grain particles, and most straws are output to the outside of the straw discharge outlet 100d by the threshing roller 210, namely discharged to the outside of the device, and the fan 100e is also always in a starting state to blow the straws to the straw discharge outlet 100d. The grains directly fall onto the sieve plate 300, and the broken small branches and leaves on the straw are further separated by the sieve plate 300, and the broken small branches and leaves are blown to the straw discharge port 100d by the fan 100e, meanwhile, the second motor 100b2 rotates to drive the auger 100b1 to rotate, and the worm 460 synchronously rotates to drive the worm wheel 450 to rotate, so that the rotating circular plate 420 rotates, and the scraping plate 430 is driven to rotate on the inner wall of the shell 100, so that dust adhered on the inner wall of the shell 100 can be scraped.

While the fundamental principles, principal features, and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the present utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. A harvester threshing device, comprising:

a shell (100) fixed on the harvester, a feed inlet (100 a) communicated with the inner cavity of the shell (100) is fixed at the top end of the shell, a discharge outlet (100 b) is fixed at the bottom end of the outer wall of the shell, a mounting plate (100 c) is fixed on the outer wall of the shell, and a straw discharge outlet (100 d) communicated with the inner cavity of the shell (100) is fixed on the outer wall of the shell;

the threshing mechanism (200) comprises threshing rollers (210) symmetrically and rotatably arranged on the inner wall of the shell (100), a first motor (220) coaxially connected with one threshing roller (210), a first belt wheel (230) fixed on the threshing roller (210), a first driving belt (240) sleeved on the first belt wheel (230), a discharging roller (250) rotatably arranged on the inner wall of the straw discharging outlet (100 d) and a driving assembly (260) for driving the discharging roller (250) to rotate;

a sieve plate (300) fixed on the inner wall of the shell (100) and below the threshing roller (210);

the wall cleaning assembly (400) is arranged below the sieve plate (300) and can clean impurities adhered to the inner wall of the shell (100).

2. The threshing device of a harvester according to claim 1, characterized in that an auger (100 b 1) is fixed on the inner wall of the discharge hole (100 b), a second motor (100 b 2) is coaxially connected to the outer end of the auger (100 b 1), and a granule falling groove (100 b 3) is formed in the top end of the discharge hole (100 b).

3. A harvester threshing device according to claim 1, characterized in that the drive assembly (260) comprises a first bevel gear (260 a) fixed on the outer wall of the threshing roller (210), a second bevel gear (260 b) meshing with the first bevel gear (260 a), a first rotating lever (260 c) rotatably mounted on the mounting plate (100 c) and fixed with the second bevel gear (260 b), a second pulley (260 d) fixed on the outer ends of the first rotating lever (260 c) and the discharge roller (250), and a second belt (260 e) sleeved on the second pulley (260 d).

4. A threshing device of a harvester according to claim 2, characterized in that the wall cleaning assembly (400) comprises a baffle ring (410) fixed on the inner wall of the housing (100), a rotating circular plate (420) arranged at the middle circular hole of the baffle ring (410), a scraper (430) fixed on the top end of the rotating circular plate (420) and contacted with the inner wall of the housing (100), a second rotating rod (440) rotatably mounted on the bottom end of the housing (100) and fixed on the bottom surface of the rotating circular plate (420), a worm wheel (450) fixed on the second rotating rod (440) and a worm (460) fixed on the outer end of the auger (100 b 1) and meshed with the worm wheel (450).

5. A harvester threshing device according to claim 1, characterized in that a fan (100 e) is fixed to the outer wall of the housing (100), said fan (100 e) being located between the sieve plate (300) and the threshing roller (210), the blowing direction of said fan (100 e) being from the outside of the housing (100) towards the straw discharge opening (100 d).