CN213603286U - Rape combine fish eye multi-stage screening device - Google Patents

Rape combine fish eye multi-stage screening device Download PDF

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Publication number
CN213603286U
CN213603286U CN202021460949.7U CN202021460949U CN213603286U CN 213603286 U CN213603286 U CN 213603286U CN 202021460949 U CN202021460949 U CN 202021460949U CN 213603286 U CN213603286 U CN 213603286U
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CN
China
Prior art keywords
sieve
bank
screens
fisheye
adjustable
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Expired - Fee Related
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CN202021460949.7U
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Chinese (zh)
Inventor
刘征明
黄兴海
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Sichuan Agricultural Machinery Research and Design Institute
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Sichuan Agricultural Machinery Research and Design Institute
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Priority to CN202021460949.7U priority Critical patent/CN213603286U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model belongs to the technical field of agricultural machine, concretely relates to rape combine flake hole multistage screening plant, including the bank of screens, the front portion installation shake delivery board of bank of screens, the middle part of bank of screens sets up double-deck sieve, and the upper screen is the adjustable fisheye sieve of two-stage, and the lower sieve is for weaving the mesh sieve, and the rear portion upside of bank of screens sets up keypad formula tail sieve group, and the lower extreme of bank of screens sets up the compound fishplate bar that takes off, and the rear end of bank of screens sets up the backplate. Two rolling bearings are installed on two sides of the bottom of the front end of the screen frame, eccentric discs are arranged on two sides of the tail of the screen frame, the front end bearing reciprocates on a sliding seat of the frame, and the tail end eccentric disc moves up and down in a front-and-back mode under the driving of a chain wheel. The utility model discloses compact structure arranges the convenience, easily installs and changes to an organic whole forms wind channel, cleans effectually, and has the reliability height, and longe-lived, cleans advantages such as volume greatly.

Description

Rape combine fish eye multi-stage screening device
Technical Field
The utility model relates to the technical field of agricultural machinery, concretely relates to rape combine fisheye multi-stage screening device.
Background
The four-river hilly area is located at the upstream of the Yangtze river, the climate and soil conditions are very suitable for the growth of rape, and the rape harvester has the geographical and ecological advantages of rape production development, but the rape harvesting machinery at the present stage mostly adopts the rice and wheat harvesting technology. The cleaning sieve of the combine harvester is an important part of the combine harvester, and plays a role in screening and cleaning grains in the combine harvester. The working principle is that the grains and the straws are layered through the vibration of the screen body, the screen is used for filtering, and meanwhile, impurities such as dust and small straws are blown away under the action of the fan, so that the grain cleaning is realized. The cleaning sieve of current rape harvester is mostly established ties for many screening racks and forms, and there is a great clearance adjacent two racks, and the screen cloth under the straw drops through the clearance easily, causes the screen cloth to block easily, cleans the effect poor, and the tooth on the screening rack is sharp arch simultaneously, easily causes the straw to entangle and hang, and the rape cleanness is rateed lowly, and the loss rate is higher.
Disclosure of Invention
In order to solve the defects in the technical problem, the utility model aims to provide a: the provided fish eye multi-stage screening device of the rape combine harvester has the advantages of compact structure, good cleanliness of rape screening and low loss rate.
The utility model discloses a solve the technical scheme that its technical problem adopted and do:
the utility model provides a rape combine fisheye hole multi-stage screening plant, includes the bank of screens, and the front portion installation shake delivery board of bank of screens, the middle part of bank of screens sets up double-deck sieve, and the upper screen is the adjustable fisheye sieve of two-stage, and the lower sieve is for weaving the mesh sieve, and the rear portion upside of bank of screens sets up keypad formula tail sieve group, and the lower extreme of bank of screens sets up the repeated fishplate bar that takes off, and the rear end of bank of screens sets up the backplate. Two rolling bearings are installed on two sides of the bottom of the front end of the screen frame, eccentric discs are arranged on two sides of the tail of the screen frame, the front end bearing reciprocates on a sliding seat of the frame, and the tail end eccentric disc moves up and down in a front-and-back mode under the driving of a chain wheel.
As preferred, the shake delivery board is fixed at the head end of bank of screens, and the installation direction is to the adjustable fisheye sieve slope of first order, and the shake delivery board evenly is provided with trapezoidal arch, has effectively guaranteed the transport of material, plays certain cleaning effect.
As preferred, the middle part of bank of screens sets up double-deck sieve, the upper screen is the adjustable fisheye sieve of first order and the adjustable fisheye sieve of second grade, the adjustable fisheye sieve of first order and the adjustable fisheye sieve of second grade pass through the bolt fastening on the bank of screens, the setting of two-stage fisheye sieve can improve the cleaning effect greatly, can dial the straw to the rear end of cleaning sieve at the in-process that the bank of screens makes a round trip to vibrate simultaneously, the setting of level and smooth fisheye shape sieve, the straw can not entangle, has guaranteed the smooth and easy nature of screening process. The lower screen is a woven mesh screen plate, the lower screen is fixed at the bottom end of the screen frame by a pressing strip through bolts, the diameter of the woven mesh screen is 3mm, and the eyelets are 6 multiplied by 6mm, so that the passing performance of grains is enhanced, and the loss of the grains is reduced.
Preferably, the key plate type tail sieve group is formed by welding and staggered combination of a toothed plate and a steel plate with round holes, the mounting direction is inclined towards the second-stage adjustable fisheye sieve, the straws are conveniently sent out, and meanwhile, the straws which are not sieved are sieved for the second time.
To sum up, the utility model discloses following beneficial effect has:
the utility model discloses compact structure arranges the convenience, easily installs and changes to an organic whole forms wind channel, cleans effectually, and has the reliability height, and longe-lived, cleans advantages such as volume greatly.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
Figure 3 the structure diagram of the adjustable fisheye screen of the first stage and the adjustable fisheye screen of the second stage.
Fig. 4 is a partially enlarged view of fig. 3.
Figure 5 is a diagram of the mesh screen of the present invention.
In the figure: 1. a screen frame; 2. a shaking conveying plate; 3. a first-stage adjustable fisheye screen; 4. a second-stage adjustable fisheye screen; 5. a keypad style tail screen group; 6. a tailgate; 7. a compound tripping plate; 8. tabletting I; 9. weaving a mesh screen plate; 10. tabletting II; 11. a front baffle; 12. a toothed plate; 13. a steel plate with a circular hole;
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in figures 1-2, a rape combine flake hole multistage screening plant, including bank of screens 1, the front portion installation shake delivery board 2 of bank of screens 1, the middle part of bank of screens 1 sets up double-deck sieve, goes up the sieve and is the adjustable flake sieve of two-stage, divide into the adjustable flake sieve of first order 3, the adjustable flake sieve of second order 4, and the lower sieve is for weaving mesh sieve 9, and the rear portion upside of bank of screens 1 sets up keypad formula tail sieve group 5, and the lower extreme of bank of screens 1 sets up compound fishplate bar 7, and the rear end of bank of screens 1 sets up the backplate. Two rolling bearings are installed on two sides of the bottom of the front end of the screen frame 1, eccentric discs are arranged on two sides of the tail of the screen frame, the front end bearing reciprocates on a sliding seat of the frame, and the tail end eccentric disc moves up and down in a front-and-back eccentric mode under the driving of a chain wheel.
The head end at the bank of screens is fixed to the shake delivery board, and the installation direction is to the adjustable fisheye sieve slope of first order, and the shake delivery board evenly is provided with trapezoidal arch, has effectively guaranteed the transport of material, plays certain cleaning effect. The middle part of bank sets up double-deck sieve, the upper screen is the adjustable fisheye sieve of first order and the adjustable fisheye sieve of second grade, the adjustable fisheye sieve of first order and the adjustable fisheye sieve of second grade pass through the bolt fastening on the bank, the setting of two-stage fisheye sieve can improve greatly and clean the effect, the in-process of making a round trip at the bank simultaneously can be dialled the straw to the rear end of cleaning sieve and send, the setting of level and smooth fisheye shape sieve, the straw can not twined, the smooth and easy nature of screening process has been guaranteed. The lower screen is a woven mesh screen plate, the lower screen is fixed at the bottom end of the screen frame by a pressing strip through bolts, the diameter of the woven mesh screen is 3mm, and the eyelets are 6 multiplied by 6mm, so that the passing performance of grains is enhanced, and the loss of the grains is reduced. The key plate type tail sieve group is formed by welding and staggered arrangement of a toothed plate and a steel plate with round holes, the mounting direction is inclined towards the second-stage adjustable fisheye sieve, the straw is conveniently sent out, and meanwhile, the straw which is not sieved can be sieved for the second time.
The utility model discloses a concrete use:
the material that cylinder threshing separated out firstly gets into on shake carriage 2, and the material lasts backward movement under the effect of bank of screens vibration and external fan drum wind, and the material passes through the adjustable fisheye sieve of two-stage respectively, divide into adjustable fisheye sieve 3 of first order, the adjustable fisheye sieve 4 of second grade, cleans, and the material that sieves out falls into to weave on the mesh sieve 9 and carries out the secondary and clean, cleans seed grain at last and gets into the conveyer, accomplishes and cleans. One part of the straw which is not screened clean is sent back to the fisheye screen 4 again for cleaning through the key board type tail screen group 5, and the other part of the straw enters the re-threshing spiral conveyor and is sent back to the shaking conveying plate 2 through the external device for repeating the above processes.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and is not a limitation to the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling within the scope of protection of the right of the present invention.

Claims (3)

1. The utility model provides a rape combine fish eye multi-stage screening plant which characterized in that: including bank of screens (1), the anterior installation shake delivery board (2) of bank of screens (1), the middle part of bank of screens (1) sets up double-deck sieve, the upper screen is the adjustable fisheye sieve of two-stage, divide into adjustable fisheye sieve of first order (3) and the adjustable fisheye sieve of second grade (4), the lower sieve is for weaving mesh sieve board (9), use the bolt fastening in the bottom of bank of screens (1) through preforming one (8) and preforming two (10), the rear portion upside of bank of screens (1) sets up keypad formula tail sieve group (5), the lower extreme of bank of screens (1) sets up compound fishplate bar (7), the rear end of bank of screens (1) sets up the backplate, two antifriction bearing of bank of screens (1) front end bottom both sides installation, bank of screens afterbody both sides set up the eccentric disc, the front end bearing makes reciprocating motion on the slide of frame, the eccentric disc of tail end makes the eccentric motion from beginning to end under the drive of sprocket.
2. The rape combine harvester fisheye multi-stage screening device of claim 1, wherein: the shaking conveying plate (2) is fixed at the head end of the sieve frame (1), the installation direction is inclined towards the first-stage adjustable fisheye sieve (3), and the shaking conveying plate (2) is uniformly provided with trapezoidal bulges.
3. The rape combine harvester fisheye multi-stage screening device of claim 1, wherein: the key plate type tail sieve group (5) is formed by welding and staggering tooth-shaped plates (12) and steel plates (13) with round holes, and the installation direction of the key plate type tail sieve group is inclined towards the second-stage adjustable fisheye sieve (4).
CN202021460949.7U 2020-07-22 2020-07-22 Rape combine fish eye multi-stage screening device Expired - Fee Related CN213603286U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021460949.7U CN213603286U (en) 2020-07-22 2020-07-22 Rape combine fish eye multi-stage screening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021460949.7U CN213603286U (en) 2020-07-22 2020-07-22 Rape combine fish eye multi-stage screening device

Publications (1)

Publication Number Publication Date
CN213603286U true CN213603286U (en) 2021-07-06

Family

ID=76642434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021460949.7U Expired - Fee Related CN213603286U (en) 2020-07-22 2020-07-22 Rape combine fish eye multi-stage screening device

Country Status (1)

Country Link
CN (1) CN213603286U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210706

CF01 Termination of patent right due to non-payment of annual fee