CN109757137A - A kind of vibration sieve type incomplete film-recovering machine convenient for cleaning - Google Patents
A kind of vibration sieve type incomplete film-recovering machine convenient for cleaning Download PDFInfo
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- CN109757137A CN109757137A CN201910154940.9A CN201910154940A CN109757137A CN 109757137 A CN109757137 A CN 109757137A CN 201910154940 A CN201910154940 A CN 201910154940A CN 109757137 A CN109757137 A CN 109757137A
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Abstract
The present invention relates to a kind of vibration sieve type incomplete film-recovering machines convenient for cleaning of agricultural machinery technological field, it raises one's arm including rack, transmission system, forerunner, back boom, digger blade, vibrating screen assembly, film collecting basket, transition delivery board, a pair of of gauge wheel, vibrating screen assembly includes main screen section, hinge and the movable screen section that main screen section is rotatablely connected by hinge, movable screen section can close up with main screen section, separate around hinge, and vibrating screen assembly matches the limit lockable mechanism for being arranged with and locking together the two when main screen section is closed up with movable screen section.Vibrating screen assembly is divided into relatively turnable main screen section and movable screen section, main screen section and movable screen section can be separated from each other to increase the gap between sieve when relatively rotating, and be convenient for block clearing.
Description
Technical field
The present invention relates to agricultural machinery technological fields, are a kind of vibration sieve type incomplete film-recovering machines specifically.
Background technique
Covering with ground sheeting has the effects that improve ground temperature, soil moisture conservation, improves soil physico-chemical property, inhibit weeds, build up fertility, and is
One of crop yield means the most effective are improved at present.
Since covering with ground sheeting effect of increasing production is very prominent, usage amount and application area continue to increase, film-mulching technique
It is widely applied in the whole country.Nineteen eighty-two China's mulch usage amount is 0.6 ten thousand tons, and covering with ground sheeting area is 1,750,000 mu;
2014, China's mulch usage amount was about 1,420,000 tons, and about 3.8 hundred million mu of area coverage, mulch usage amount and area coverage increase
More than 200 times.
While a large amount of uses of mulch bring the effect of increasing income to peasant, also agricultural production and ecological environment are caused
Serious pollution.Document shows that all overlay film farmlands have different degrees of mulch to remain, and mulch is residual in long-term overlay film agricultural land soil
Allowance is generally at 4.5~17.3kg/ mus.The a large amount of residual films in field, cause soil productivity decline, crop production reduction, stalk can not
A series of problems, such as fodder utilizes, therefore Plastic-film pollution is urgently administered.
Since external agricultural mulching is thicker (generally 0.012mm or more), intensity is high, toughness is big, can be used continuously 2~3
Year, therefore reclaimer mechanism is by a relatively simple, is commonly volume type remnant film recoverer.
Used plastic collection mode in China's mainly has artificial pick up and mechanical two kinds of recycling at present.It is artificial to pick up residual film labor intensity
Greatly, low efficiency, machinery recycling is Main Trends of The Development.
China from the eighties begin one's study used plastic collection machinery, have been developed that multiple types incomplete film-recovering machine at present, mainly
There are vibration sieve type incomplete film-recovering machine, rake teeth type incomplete film-recovering machine, network chain type incomplete film-recovering machine, aspirated-air type incomplete film-recovering machine etc..Vibration
Dynamic sieve formula incomplete film-recovering machine it is adaptable it is wide, can recycle broken film and whole film, the advantages that clear soil effect is good, in mechanization residual film time
It is used widely in receipts field.Incomplete film-recovering machine, including rack, transmission system, forerunner are raised one's arm, back boom, digger blade, vibrating screen
Assembly, film collecting basket, a pair of of gauge wheel.Rack is connect by trifilar suspension with four-wheel tractor, and the power of transmission system is by drawing
Machine rear power output shaft (PTO) or belt provide, and transmission system drives forerunner raises one's arm, and under the supporting role of back boom,
Vibrating screen assembly is set to do front-rear reciprocation movement, by the residual film scooped up by digger blade, soil is miscellaneous etc. throws upwards backward, and vibration was thrown
Cheng Zhong, under the sieving actoion of vibrating screen assembly, the impurity such as soil, stone drop down onto earth's surface, and residual film is pushed to film collecting basket.But its
When work, the impurity such as soil block, finger stone would generally be blocked between vibrating screen bar strip, compass screen surface is caused to block, under compass screen surface function native clearly
Drop when blocking serious, will cause compass screen surface and thoroughly lose film soil separating capacity, therefore when the work of vibrating screen residual film formula recycling machine, need
It often to shut down and carry out manual cleaning compass screen surface, influence equipment operating efficiency.
Summary of the invention
The object of the present invention is to provide a kind of vibration sieve type incomplete film-recovering machines convenient for cleaning, and vibrating screen assembly is divided into can
The main screen section and movable screen section relatively rotated, main screen section and movable screen section can be separated from each other when relatively rotating with
Increase blanking gap, consequently facilitating despumation.
The object of the present invention is achieved like this: a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning, including rack, digging
Shovel, vibrating screen assembly, transition delivery board, the film collecting basket for collecting residual film are dug, the rack is connect with tractor, the excavation
The front end of rack is arranged in shovel, and the film collecting basket is mounted on the rack and the rear side of face vibrating screen assembly, the vibrating screen are total
At including main screen section, hinge and the movable screen section for being rotatablely connected by hinge main screen section, the movable screen section can
Close up around hinge with main screen section, separate, the vibrating screen assembly, which is matched, to be arranged with when main screen section and movable screen section are closed up
When the limit lockable mechanism that locks together the two;
The main screen section includes inclined main screen frame (unit), and if the main sieve sawtooth sieve of dry plate, the main screen frame (unit) are box
Formula structure, the main screen frame (unit) front end are the least significant end of main screen frame (unit), and the main screen frame (unit) rear end is opening for most significant end and face film collecting basket
Mouthful, if the main sieve sawtooth sieve of above-mentioned dry plate is arranged in the frame of main screen frame (unit) along tractor width direction equidistant parallel, the main sieve
Sawtooth sieve extend from the front to the back and its flank of tooth upward, the transition delivery board is mounted on main screen frame (unit) front end and in digger blade
Rear side;
The movable screen section includes movable screen frame (unit), and if dry plate movably sieve sawtooth sieve, the movable screen frame (unit) is side
Frame structure, if above-mentioned dry plate movably sieves the frame that sawtooth sieve is arranged in movable screen frame (unit) along tractor width direction equidistant parallel
It is interior, the movable sieve sawtooth sieve extend from the front to the back and its flank of tooth upward;
The hinge is set as the axial workpiece being laterally extended along tractor width direction, passes through on front side of the movable screen frame (unit)
Hinge is rotatablely connected main screen frame (unit) upper front end, and the hinge is in transition delivery board rear and close to transition delivery board;
The spacing of arbitrary neighborhood two movable sieve sawtooth sieves is equal to the spacing of arbitrary neighborhood two main sieve sawtooth sieves, institute
It states movable screen section and when main screen section is closed up main sieve sawtooth sieve and movably sieves sawtooth sieve and interlock spaced and shape
At several blanking gaps uniformly distributed along tractor width direction, the blanking gap is arbitrary neighborhood two movable sieve sawtooth sieves
Or the half of the spacing of two main sieve sawtooth sieves, the movable screen section main sieve sawtooth sieve when being separated with main screen section
It mutually staggers and separates with movable sieve sawtooth sieve;
The limit lockable mechanism include hydraulic cylinder, rotating fulcrum, tension spring, in the sickle-shaped locking plate of stock, the lock
Only plate is rotatablely connected the sidewall frame of movable screen frame (unit) by rotating fulcrum, and the top section of the correspondence rotating fulcrum of the locking plate is straight
Bar, the upper end of section is pulled backward by tension spring and is fixed in the sidewall frame of the movable screen frame (unit) above, the upper end of the top section
Be flexibly connected by the piston rod of metallic bond and hydraulic cylinder, the rotation connection of the bore section of the hydraulic cylinder on the rack, it is described on
The upper end of square section is drawn or is discharged by hydraulic cylinder forward upward, and the locking plate cuts straight line in the lower section Duan Weiyi of rotating fulcrum
Bar, and the lower section pars infrasegmentalis end is equipped with an opening crotch facing forward, lower limit pin is installed in the side wall of main screen frame (unit), movable
Spacer pin is fallen into the recess portion of the crotch at present for screen frame (unit) and main screen frame (unit) closed configuration;
Middle spacer pin of the setting under rotating fulcrum in the sidewall frame of movable screen frame (unit), in movable screen frame (unit) and main screen frame (unit)
The lower section section of locking plate resists the middle spacer pin just when closed configuration.
Further, the limit lockable mechanism further includes tension adjustable pole, adjusting rod mounting plate, the adjusting rod installation
Plate is fixed in the sidewall frame of movable screen frame (unit), and the tension adjustable pole is rotatably connected on adjusting rod mounting plate, the pulling force tune
Pole front end is connect by tension spring with top section.
Further, the rear end of the main screen frame (unit) is equipped with rear position margining plate, and the rear end of the movable screen frame (unit) is equipped with downwardly convex
Movable sieve limiting section, the movable sieve limiting section resist rear position margining plate rear end when movable screen section and main screen section are closed up.
Further, the two sides of the main screen frame (unit) are mounted on the side limit plate for limiting movable screen frame (unit) position.
Further, the limit lockable mechanism is equipped with a pair, and to be respectively at vibrating screen total for two limit lockable mechanisms
At the left and right sides.
Further, the lower limit pin is close to the rear end of main screen frame (unit).
Further, the lower limit pin is round pin structure, the recess structure of the crotch and the outer peripheral surface of lower limit pin
Structure is adapted.
The beneficial effects of the present invention are: first, since vibrating screen assembly by main screen section, hinge and passes through hinge
The movable screen section composition for connecting main screen section is longitudinally rotated, when card there are the impurity such as soil block, stone between sieve, by movable
Screen section carries out relative rotary motion around main screen section, so that the movable sieve sawtooth sieve of movable screen section and main sieve sawtooth sieve
Piece is separated from each other, and is original closed configuration to make the gap movably sieved between sawtooth sieve, main sieve sawtooth sieve while increase
Twice of dropping material gap, then, soil block, the stone being accumulated between movable sieve sawtooth sieve, main sieve sawtooth sieve can be suitable
Earth's surface is dropped down by the gap increased sharply, manual cleaning is not necessarily to, significantly improves the film soil separating capacity and operation of the equipment
Efficiency;Second, vibrating screen assembly, configured with limit lockable mechanism, locking relies solely on stretching for hydraulic cylinder with unlocking motion and comes
Driving, it is easy to operate, when cleaning, the piston rod of hydraulic cylinder driven by traction metallic bond locking plate overcome the elastic force of tension spring into
Row rotation, so that locking plate is in automatic unlocking state, while tension spring has also put aside elastic potential energy;When reset, as long as shedding liquid
The tractive force of cylinder pressure, tension spring release elastic potential energy generate the elastic restoring force for acting on the solution lock end of locking plate, and locking plate is being drawn
The lower rotation of elastic restoring force effect of spring so that the crotch of locking plate catches on lower limit pin, thus complete to movable screen section and
The lock operation of main screen section, prevent using when the vibration that generates cause the randomized jitter of movable screen section.
Detailed description of the invention
Fig. 1 is general assembly drawing of the invention.
Fig. 2 is the top view in Fig. 1.
Fig. 3 is vibrating screen assembly and the side view for limiting lockable mechanism.
Fig. 4 is the left view in Fig. 3.
Fig. 5 is the schematic diagram that movable screen section and main screen section are in discrete state.
Fig. 6 is the left view in Fig. 5.
Fig. 7 is the stereoscopic schematic diagram that movable screen section and main screen section are in discrete state.
The structural schematic diagram of Fig. 8 limit lockable mechanism.
In figure, 1 rack, 2 transmission systems, 3 forerunners raise one's arm, 4 back booms, 5 gauge wheels, 6 digger blades, 7 vibrating screen assemblies, and 71
Movable screen section, 7101 movable screen frame (unit)s, 7101a movably sieve limiting section, 7102 movable sieve sawtooth sieves, 72 main screen sections, and 7201
Main screen frame (unit), 7202 main sieve sawtooth sieves, 7203 side limit plates, 7204 rear position margining plates, 73 hinges, 8 limit lockable mechanisms, 801 locks
Only plate, 801a top section, section below 801b, 801c crotch, 802 rotating fulcrums, 803 lower limit pins, spacer pin in 804,805 draw
Spring, 806 tension adjustable poles, 807 adjusting rod mounting plates, 9 hydraulic cylinders, 10 metallic bonds, 11 film collecting baskets, 12 blanking gaps, 13 transition
Delivery board.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific examples.
As shown in figures 1-8, a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning, including rack 1, transmission system 2, forerunner
It raises one's arm 3, back boom 4, digger blade 6, vibrating screen assembly 7, film collecting basket 11, transition delivery board 13, a pair of of gauge wheel 5.Digger blade 6 is set
It sets in the front end of rack 1, film collecting basket 11 is mounted in rack 1 and the rear side of face vibrating screen assembly 7, and rack 1 is outstanding by 3 points
Extension is connect with four-wheel tractor, and the power of transmission system 2 is provided by tractor rear power output shaft (PTO) or belt, transmission
System 2 drives forerunner to raise one's arm 3, and under the supporting role of back boom 4, vibrating screen assembly 7 is made to do front-rear reciprocation movement, will be by digging
Residual film that pick shovel 6 scoops up, soil is miscellaneous etc. throws upwards backward, during vibration is thrown, under the sieving actoion of vibrating screen assembly 7,
The impurity such as soil, stone drop down onto earth's surface, and residual film is pushed to film collecting basket 11.
Above-mentioned vibrating screen assembly 7 includes main screen section 72, hinge 73 and is rotatablely connected main screen section 72 by hinge 73
Movable screen section 71, movable screen section 71 can close up with main screen section 72, separate around hinge 73, and vibrating screen assembly 7 is mating
Equipped with the limit lockable mechanism 8 for locking together the two when main screen section 72 is closed up with movable screen section 71.
Above-mentioned main screen section 72 include inclined main screen frame (unit) 7201, and if the main sieve sawtooth sieve 7202 of dry plate, main screen frame (unit)
7201 be block form structure, and main 7201 front end of screen frame (unit) is the least significant end of main screen frame (unit) 7201, if the main sieve sawtooth sieve of above-mentioned dry plate
7202 along the frame that tractor width direction equidistant parallel is arranged in main screen frame (unit) 7201, and main sieve sawtooth sieve 7202 is prolonged from the front to the back
Stretch and its flank of tooth upward, transition delivery board 13 be mounted on main 7201 front end of screen frame (unit) and be in digger blade 6 rear side.
Above-mentioned movable screen section 71 includes movable screen frame (unit) 7101, and if dry plate movably sieve sawtooth sieve 7102, it is movable to sieve
Frame 7101 is block form structure, is arranged in if above-mentioned dry plate movably sieves sawtooth sieve 7102 along tractor width direction equidistant parallel
In the frame of movable screen frame (unit) 7101, it is movable sieve sawtooth sieve 7102 extend from the front to the back and its flank of tooth upward.
Above-mentioned hinge 73 is set as the axial workpiece being laterally extended along tractor width direction, leads on front side of movable screen frame (unit) 7101
It crosses hinge 73 and rotates upwardly and downwardly main 7201 upper front end of screen frame (unit) of connection, hinge 73 is in 13 rear of transition delivery board and close transition is defeated
Send plate 13.The effect of transition delivery board 13 is swimmingly to guide the material scooped up by digger blade 6 to be transported on vibrating screen assembly 7,
When carrying out the specific project implementation, the installation site and angle of transition delivery board 13 need to be set by special calculating
It sets, i.e., when movable screen section 71 rotates, movable screen section 71 cannot exist with transition delivery board 13 interferes, if transition delivery board
13 angle is excessive to be will lead to material conveying and has some setbacks, can be with movable screen section 71 if the angle too small of transition delivery board 13
There is interference.
The spacing of arbitrary neighborhood two movable sieve sawtooth sieves 7102 is equal to arbitrary neighborhood two main sieve sawtooth sieves 7202
Spacing, movable screen section 71 when closing up with main screen section 72 main sieve sawtooth sieve 7202 and movable sieve sawtooth sieve 7102 interlock
It is spaced and form several blanking gaps 12 uniformly distributed along tractor width direction, blanking gap 12 be arbitrary neighborhood two can
The half of the spacing of dynamic sieve sawtooth sieve 7102 or two main sieve sawtooth sieves 7202, movable screen section 71 are divided with main screen section 72
From when main sieve sawtooth sieve 7202 and movable sieve sawtooth sieve 7102 mutually stagger and separate.
Above-mentioned limit lockable mechanism 8 include hydraulic cylinder 9, rotating fulcrum 802, tension spring 805, in the sickle-shaped locking plate of stock
801, locking plate 801) sidewall frame of movable screen frame (unit) 7101, the corresponding rotation of locking plate 801 are rotatablely connected by rotating fulcrum 802
The top section 801a of fulcrum 802 is straight-bar, and the upper end of section 801a is pulled backward by tension spring 805 and is fixed on movable screen frame (unit) above
In 7101 sidewall frame, the upper end of top section 801a is flexibly connected by the piston rod of metallic bond 10 and hydraulic cylinder 9, hydraulic cylinder 9
Bore section be rotatably connected in rack 1, the upper end of top section 801a is drawn or is discharged, locking plate by 9 forward upward of hydraulic cylinder
801 in the lower section of rotating fulcrum 802 section 801b be one section of straight line pole, and the lower section section 801b lower end is equipped with an opening court
Preceding crotch 801c installs lower limit pin 803 in the side wall of main screen frame (unit) 7201, closes up in movable screen frame (unit) 7101 and main screen frame (unit) 7201
At present spacer pin 803 is fallen into the recess portion of crotch 801c state, and lower limit pin 803 is round pin structure, the recess portion knot of crotch 801c
Structure is adapted with the outer peripheral surface structure of lower limit pin 803.The contour structures of crotch 801c pass through special design, it is ensured that crotch
When 801c falls with movable screen section 71, it can be opened backward by lower limit pin 803, lower limit pin 803 is made to fall into crotch 801c
Recess portion in.
Middle spacer pin 804 of the setting under rotating fulcrum 802, is movably being sieved in the sidewall frame of movable screen frame (unit) 7101
The lower section section 801b of locking plate 801 resists middle spacer pin 804 just when frame 7101 and main 7201 closed configuration of screen frame (unit).
Above-mentioned limit lockable mechanism 8 further includes tension adjustable pole 806, adjusting rod mounting plate 807, adjusting rod mounting plate 807
It is fixed in the sidewall frame of movable screen frame (unit) 7101, tension adjustable pole 806 is rotatably connected on adjusting rod mounting plate 807, pulling force tune
806 front end of pole is connect by tension spring 805 with top section 801a.
The rear end of above-mentioned main screen frame (unit) 7201 is equipped with rear position margining plate 7204, and the rear end of movable screen frame (unit) 7101 can equipped with downwardly convex
Dynamic sieve limiting section 7101a, the movable limiting section 7101a that sieves resist rear position margining plate when movable screen section 71 is closed up with main screen section 72
7204 rear ends can increase locating effect when movable screen section 71 is closed up with main screen section 72.
The two sides of above-mentioned main screen frame (unit) 7201 are mounted on the side limit plate 7203 for limiting movable 7101 position of screen frame (unit), can
Further increase locating effect when movable screen section 71 is closed up with main screen section 72.
Above-mentioned limit lockable mechanism 8 is equipped with a pair, and two limit lockable mechanisms 8 are respectively at a left side for vibrating screen assembly 7
Right two sides.
Above-mentioned lower limit pin 803 is close to the rear end of main screen frame (unit) 7201.
When cleaning, when metallic bond 10 is tensed by hydraulic cylinder 9 and tightening force is greater than the pulling force of tension spring 805, locking plate 801 is surrounded
Rotating fulcrum 802 rotates, and is detached from lower limit pin 803, and movable screen frame (unit) 7101 can be rotated around hinge 73;It, can after cleaning
Dynamic screen frame (unit) 7101 starts to fall under self gravitation effect, and locking plate 801 nevertheless suffers from the pulling force of metallic bond 10, locking plate at this time
801 are constantly in opening state, and until the complete return of movable screen frame (unit) 7101, locking plate 901 catches on lower limit pin 803, realize master
7101 upper and lower position of screen frame (unit) 7201 and movable screen frame (unit) it is fully locked.
The main function of spacer pin 804 is to prevent movable screen frame (unit) 7101 from can not reset among the above, concrete principle are as follows: when movable
When screen frame (unit) 7101 hurtles down, if the pulling force arm of force that metallic bond 10 is applied on locking plate 801, which is less than tension spring 805, is applied to lock
The only pulling force arm of force on plate 801 rotates clockwise the excessive generation of angle it will cause locking plate 801 and rotates through a phenomenon
The rotation angle of locking plate 801 is spent greatly when dynamic screen frame (unit) 7101 does not rotate to the position closed up with main screen frame (unit) 7201 also, is caused movable
The crotch 801c outer edge of locking plate 801 hits lower limit pin 803 when screen frame (unit) 7101 is rotated down, and causes locking plate 801 under
The location conflicts of spacer pin 803 cause movable screen frame (unit) 7101 that can not reset, and cause movable screen frame (unit) 7101 can not be with main screen frame (unit) 7201
Close up.Middle spacer pin 804 has effectively evaded above situation, the rotation angle of locking plate 801 can be limited well, so that can
Dynamic screen frame (unit) 7101 can smoothly close up with main screen frame (unit) 7201.
Movable screen section 71 is first in closed configuration, after a period of operation, blanking with main screen section 72 when in use
Easily block upper soil block and finger stone between gap 12, sieving area is caused to reduce, at this point, the receipts of the piston rod by hydraulic cylinder 9
Contracting, to open limit lockable mechanism 8, while opening limit lockable mechanism 8, will entirely be vibrated with drawing metallic bond 10
Sieve assembly 7 lifts, and rotates movable screen frame (unit) 7101 around hinge 73, and winner is made to sieve sawtooth sieve 7202 and movable sieve sawtooth sieve
7102 mutually stagger and separate, original blanking gap 12 become main sieve sawtooth sieve 7202 or movable sieve sawtooth sieve 7102 it
Between gap, be equivalent to and increase gap so as to blanking, be then stuck in main sieve sawtooth sieve 7202 and movable sieve sawtooth sieve
The impurity such as soil block and finger stone between 7102 drop down onto earth's surface from the gap of increase, realize cleaning function;Then, pass through hydraulic cylinder 9
Piston rod elongation, loosen metallic bond 10, movable screen frame (unit) 7101 is rotated down reset around hinge 73, limits lockable mechanism 8
The upper and lower position of main screen frame (unit) 7201 and movable screen frame (unit) 7101 is locked, the side limit plate 7203 of main 7201 left and right sides of screen frame (unit) is arranged in
The left-right position of movable screen frame (unit) 7101 is limited, rear position margining plate 7204 limits the front-rear position of movable screen frame (unit) 7101, to complete whole
A cleaning movement.
It is the preferred embodiment of the present invention above, those of ordinary skill in the art can also carry out various changes on this basis
It changes or improves, under the premise of not departing from the present invention total design, these transformation or improve all should belong to that the present invention claims guarantors
Within the scope of shield.
Claims (7)
1. a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning, including rack (1), digger blade (6), vibrating screen assembly (7), mistake
Delivery board (13), the film collecting basket (11) for collecting residual film are crossed, the rack (1) connect with tractor, and the digger blade (6) sets
The front end in rack (1) is set, the film collecting basket (11) is mounted on rack (1) and the rear side of face vibrating screen assembly (7), special
Sign is: the vibrating screen assembly (7) includes main screen section (72), hinge (73) and is led by hinge (73) rotation connection
The movable screen section (71) of screen section (72), the movable screen section (71) can close around hinge (73) and main screen section (72)
Hold together, separate, the vibrating screen assembly (7), which matches to be arranged with, locks the two when main screen section (72) is closed up with movable screen section (71)
Limit lockable mechanism (8) together;
The main screen section (72) includes inclined main screen frame (unit) (7201), and if the main sieve sawtooth sieve (7202) of dry plate, it is described
Main screen frame (unit) (7201) is block form structure, and main screen frame (unit) (7201) front end is the least significant end of main screen frame (unit) (7201), the main sieve
Frame (7201) rear end is the opening of most significant end and face film collecting basket (11), if the main sieve sawtooth sieve (7202) of above-mentioned dry plate is along dilatory
Machine width direction equidistant parallel is arranged in the frame of main screen frame (unit) (7201), and the main sieve sawtooth sieve (7202) extends from the front to the back
And its flank of tooth is upward, the transition delivery board (13) is mounted on main screen frame (unit) (7201) front end and is in the rear side of digger blade (6);
The movable screen section (71) includes movable screen frame (unit) (7101), and if dry plate movably sieve sawtooth sieve (7102), it is described
Movable screen frame (unit) (7101) is block form structure, if above-mentioned dry plate movably sieves sawtooth sieve, (7102) are equidistant along tractor width direction
It is arranged in parallel in the frame of movable screen frame (unit) (7101), the movable sieve sawtooth sieve (7102) extends from the front to the back and its flank of tooth court
On;
The hinge (73) is set as the axial workpiece being laterally extended along tractor width direction, before the movable screen frame (unit) (7101)
Side is rotatablely connected main screen frame (unit) (7201) upper front end by hinge (73), and the hinge (73) is in transition delivery board (13) rear
And close to transition delivery board (13);
The spacing of arbitrary neighborhood two movable sieves sawtooth sieve (7102) is equal to arbitrary neighborhood two main sieve sawtooth sieves (7202)
Spacing, saw the main sieve sawtooth sieve (7202) and is movably sieved when closing up in the movable screen section (71) and main screen section (72)
Tooth sieve (7102) interlocks spaced and forms several blanking gaps (12) uniformly distributed along tractor width direction, the blanking
Gap (12) is the one of the spacing of arbitrary neighborhood two movable sieves sawtooth sieve (7102) or two main sieves sawtooth sieve (7202)
Half, the movable screen section (71) the main sieve sawtooth sieve (7202) and movable sieve sawtooth sieve when being separated with main screen section (72)
Piece (7102) is mutually staggered and is separated;
The limit lockable mechanism (8) include hydraulic cylinder (9), rotating fulcrum (802), tension spring (805), in the sickle-shaped lock of stock
Only plate (801), the locking plate (801) is rotatablely connected the sidewall frame of movable screen frame (unit) (7101) by rotating fulcrum (802), described
The top section (801a) of the correspondence rotating fulcrum (802) of locking plate (801) is straight-bar, and the upper end of section (801a) is by tension spring above
(805) it pulls and is fixed in the sidewall frame of the movable screen frame (unit) (7101) backward, the upper end of the top section (801a) passes through gold
The piston rod for belonging to chain (10) and hydraulic cylinder (9) is flexibly connected, and the bore section of the hydraulic cylinder (9) is rotatably connected on rack (1),
The upper end of the top section (801a) is drawn or is discharged by hydraulic cylinder (9) forward upward, and the locking plate (801) is in rotating fulcrum
(802) lower section section (801b) is one section of straight line pole, and lower section section (801b) lower end is equipped with forward curved that is open
Hook (801c) installs lower limit pin (803) in the side wall of main screen frame (unit) (7201), in movable screen frame (unit) (7101) and main screen frame (unit) (7201)
At present spacer pin (803) is fallen into the recess portion of the crotch (801c) closed configuration;
Middle spacer pin (804) of the setting under rotating fulcrum (802) in the sidewall frame of movable screen frame (unit) (7101), movable
The lower section section (801b) of locking plate (801) resists the middle limit just when screen frame (unit) (7101) and main screen frame (unit) (7201) closed configuration
It sells (804).
2. a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning according to claim 1, it is characterised in that: the limit
Lockable mechanism (8) further includes tension adjustable pole (806), adjusting rod mounting plate (807), and the adjusting rod mounting plate (807) is fixed
In the sidewall frame of movable screen frame (unit) (7101), the tension adjustable pole (806) is rotatably connected on adjusting rod mounting plate (807),
Tension adjustable pole (806) front end is connect by tension spring (805) with top section (801a).
3. a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning according to claim 1, it is characterised in that: the main sieve
The rear end of frame (7201) is equipped with rear position margining plate (7204), and the rear end of the movable screen frame (unit) (7101) is equipped with downwardly convex movable sieve and limits
Position portion (7101a), after the movable sieve limiting section (7101a) resists when movable screen section (71) and main screen section (72) close up
Limit plate (7204) rear end.
4. a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning according to claim 1, it is characterised in that: the main sieve
The two sides of frame (7201) are mounted on the side limit plate (7203) for limiting movable screen frame (unit) (7101) position.
5. a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning according to claim 1, it is characterised in that: the limit
Lockable mechanism (8) is equipped with a pair, and two limits lockable mechanism (8) are respectively at the left and right sides of vibrating screen assembly (7).
6. a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning according to claim 1, it is characterised in that: the lower limit
Rear end of the position pin (803) close to main screen frame (unit) (7201).
7. a kind of vibration sieve type incomplete film-recovering machine convenient for cleaning according to claim 1, it is characterised in that: the lower limit
Position pin (803) is round pin structure, and the recess structure of the crotch (801c) and the outer peripheral surface structure of lower limit pin (803) are mutually fitted
Match.
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