CN109530221A - A kind of two degrees of freedom category filter device - Google Patents
A kind of two degrees of freedom category filter device Download PDFInfo
- Publication number
- CN109530221A CN109530221A CN201811617799.3A CN201811617799A CN109530221A CN 109530221 A CN109530221 A CN 109530221A CN 201811617799 A CN201811617799 A CN 201811617799A CN 109530221 A CN109530221 A CN 109530221A
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- screen
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- freedom
- belt pulley
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- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000005183 dynamical system Methods 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000012216 screening Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 6
- 239000012773 agricultural material Substances 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 3
- 238000013519 translation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241000239290 Araneae Species 0.000 description 11
- 241000196324 Embryophyta Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/36—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro in more than one direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Transmission Devices (AREA)
Abstract
A kind of two degrees of freedom category filter device, including rack, dynamical system, transmission system and double deck screen, the dynamical system is mounted on the rack, set transmission system in the rack, the dynamical system includes dynamical system ontology and power output shaft, the dynamical system ontology and power output axis connection, the power output shaft drives transmission system, the transmission system drives double deck screen, the rack are equipped with stand connecting rod, and the stand connecting rod is flexibly connected by pull rod with double deck screen.Structure of the invention is compact, manufacturing cost is low, screening efficiency is high, mechanical low to the damage of seed screening process, double deck screen is adjustable in the translation amplitude and rotational angle of three-dimensional space, two degrees of freedom category filter can be reached, realize that agricultural material seed is quick, efficient category filter, it is applied widely, moreover it is possible to be suitable for mining industry and pharmaceutical sanitary field.
Description
Technical field
The present invention relates to a kind of two degrees of freedom category filter device, in particular to carried out in a kind of agricultural seed refining process
The two degrees of freedom category filter device of category filter.
Background technique
Screening plant is as important farm machinery device widely used in agricultural machinery, either in harvesting to crop
It carries out cleaning screening, or the screening of progress impurity and the category filter of seed suffer from weight before storage after grain heat-drying
The effect wanted.
Seed classification screening plant performance directly affects the efficiency of seed selection and the quality of selected seed, enterprise to point
The requirement of class screening plant is higher and higher.
China Patent No. ZL201810462138 .1 discloses a kind of beans classification removal of impurities screening plant, to seed classification
For the screening plant of screening by the way of multistage screening, screening process is the reciprocating vibration screening of the single degree of freedom, this sieve
Screening device be easy to cause the problems such as damage and low screening efficiency of kind of skin.
China Patent No. ZL201710083359 .3 discloses a kind of two-freedom-degree parallel mechanism vibrating screen, using three
Motor and three parallel branches realize two degrees of freedom vibration, and this structure is complicated, and operation and control are also inconvenient.
Summary of the invention
The technical problem to be solved by the present invention is to overcome drawbacks described above of the existing technology, provide a kind of screening effect
The two degrees of freedom category filter device that rate is high, the mechanical damage to seed screening process is low.
The technical solution adopted by the present invention to solve the technical problems is,
A kind of two degrees of freedom category filter device includes rack, dynamical system, transmission system and double deck screen, the dynamical system peace
Dress on the rack, sets transmission system in the rack, the dynamical system includes dynamical system ontology and power output shaft, described
Dynamical system ontology and power output axis connection, the power output shaft drive transmission system, and the transmission system drives are double-deck
Sieve, the rack are equipped with stand connecting rod, and the stand connecting rod is flexibly connected by pull rod with double deck screen.
Preferably, the double deck screen includes screen frame (unit), and the first screen layers and second are respectively equipped at the top and bottom of the screen frame (unit)
Screen layers, left side, right side and the trailing flank of the screen frame (unit) are wrapped up by fixed plate, and the leading flank of the screen frame (unit) is equipped with movable
Sealing plate, the movable sealing plate are flexibly connected with screen frame (unit).
Preferably, the top of the stand connecting rod is equipped with the first fixed spherical hinge, and the top of the screen frame (unit) is with respect to both sides point
Not She You the second fixed spherical hinge, the described first fixed spherical hinge and pull rod one end are hinged, and the other end of the pull rod passes through the
Two fixed spherical hinges and screen frame (unit) are hinged.
Preferably, the double deck screen includes front shoe, and the front shoe and screen frame (unit) constitute card slot, the card slot with can
Dynamic sealing plate is adapted, in the movable sealing plate insertion card slot；Or movable sealing plate is connected by a hinge with screen frame (unit).
Preferably, the transmission system includes belt wheel transmission mechanism, cam drive and Worm and worm-wheel gearing, institute
Stating belt wheel transmission mechanism includes belt, the first belt pulley, the second belt pulley and third belt pulley, first belt pulley and power
Axis connection is exported, first belt pulley, the second belt pulley, third belt pulley are linked by belt, and second belt pulley drives
Moving cam transmission mechanism, the third belt wheel drive Worm and worm-wheel gearing.
Preferably, the cam drive includes the second pulley shaft, first bevel gear, second bevel gear, cam
Drive shaft and cam, second belt pulley are sheathed on one end of the second pulley shaft, and second pulley shaft is set to
In rack, the other end of second pulley shaft is arranged with first bevel gear, the first bevel gear and second bevel gear
Engagement, the second bevel gear are sheathed on one end of actuated by cams axis, and the other end of the actuated by cams axis is arranged with cam, institute
It states actuated by cams to be located in rack, the actuated by cams screen frame (unit), the cam linkage double deck screen.
Preferably, the Worm and worm-wheel gearing includes third pulley shaft, worm screw, worm gear, worm gear shaft, eccentric wheel
With driving pull rod, the third belt pulley is sheathed on one end of third pulley shaft, and the third pulley shaft is set to machine
On frame, worm screw, the worm and wheel engagement are arranged on the third pulley shaft, the worm gear set is set to worm gear shaft
On, the turbine wheel shaft is set in rack, and one end of the turbine wheel shaft is arranged with eccentric wheel, and the eccentric wheel and driving pull rod connect
It connects, the driving pull rod and the fixed flexural pivot chain link of third, the fixed spherical hinge of the third are set to screen frame (unit) bottom, the eccentric wheel
Link double deck screen.
Preferably, the eccentricity of the eccentric wheel is 1-10cm, and the angle of the cam rotary motion is 5-10 degree.
Preferably, first screen layers and the second screen layers are metal knitted screen layers, flake screen layers or Metal-Piercing screen layers.
Preferably, first screen layers are set at the top of screen frame (unit), and second screen layers are set to screen frame (unit) bottom；Or described first
Screen layers are set to screen frame (unit) bottom, and second screen layers are set at the top of screen frame (unit).
Working principle of the present invention, dynamical system drive the first belt pulley of band by power output shaft, and the first belt pulley passes through
Belt drives the second pulley movements, and the second belt pulley imparts power to first bevel gear by the second pulley shaft, the
One bevel gear engages with second bevel gear, and second bevel gear is moved by actuated by cams axis band moving cam, and cam transmits power
To double deck screen, the small size rotary motion in double deck screen one sieve plane is provided；
First belt pulley drives third pulley movements by belt, and third belt pulley is passed power by third pulley shaft
Worm screw, worm and wheel engagement are passed, worm gear imparts power to eccentric wheel by turbine wheel shaft, and eccentric wheel will by driving pull rod
Power passes to double deck screen, provides the reciprocating motion in double deck screen one degree of freedom direction.
Compared with prior art, the present invention has the advantages that lower:
1, compact-sized, manufacturing cost is low；
2, screening efficiency is high, mechanical low to the damage of seed screening process, using transmission system drives double deck screen, and stand connecting rod
It is flexibly connected by pull rod with double deck screen, is adjustable double deck screen in the translation amplitude and rotational angle of three-dimensional space, two can be reached
Freedom degree category filter realizes that agricultural material seed is quick, efficient category filter；
3, applied widely, moreover it is possible to be suitable for mining industry and pharmaceutical sanitary field.
Detailed description of the invention:
Fig. 1 is the structural front view of one embodiment of the invention；
Fig. 2 is the structure left view of two degrees of freedom category filter device shown in Fig. 1；
Fig. 3 is the transmission system schematic diagram of two degrees of freedom category filter device shown in Fig. 1；
Fig. 4 is the schematic diagram of the double deck screen of two degrees of freedom category filter device shown in Fig. 1.
Main appended drawing reference is said:
1. rack, 101. stand connecting rods, 102. first fixed spherical hinges, 103. pull rods, 111. second belt pulley bearing spider A,
112. the second belt pulley bearing spider B, 113. third belt pulley bearing spider A, 114. third belt pulley bearing spider B, 115.
Camshaft bearing support A, 116. camshaft bearing support B, 117. Worm Bearing support A and 118. Worm Bearing support B；2. dynamical system
System, 201. dynamical system ontologies, 202. power output shafts；3. transmission system, 31. belt wheel transmission mechanisms, 32. cam drive machines
Structure, 33. Worm and worm-wheel gearings, 300. belts, 310. first belt pulleys, 320. second belt pulleys, 330. third belt pulleys,
321. second pulley shafts, 322. first bevel gears, 323. second bevel gears, 324. actuated by cams axis, 325. cams,
331. third pulley shafts, 332. worm screws, 333. worm gears, 334. worm gear shafts, 335. eccentric wheels, 336. driving pull rods；4. pair
Layer sieve, 401. screen frame (unit)s, 402. first screen layers, 403. second screen layers, 404. second fixed spherical hinges, 405. fixed plates, 406. can
Dynamic sealing plate, 407. front shoes, the fixed spherical hinge of 408. thirds, 409. card slots.
Specific embodiment:
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1-4 is please referred to, the present embodiment includes rack 1, dynamical system 2, transmission system 3 and double deck screen 4, transmission system 3
In rack 1, dynamical system 2 is installed in rack 1, and dynamical system 2 includes dynamical system ontology 201 and power output shaft
202, dynamical system ontology 201 is connect with power output shaft 202, and power output shaft 202 drives transmission system 3, and transmission system 3 is driven
Dynamic double deck screen 4, rack 1 include that the fixed spherical hinge 102 of stand connecting rod 101, first and pull rod 103, the top of stand connecting rod 101 are set
There is the first fixed spherical hinge 102, one end of the first fixed 102 connecting rod 103 of spherical hinge, the other end connection of pull rod 103 the
Two fixed spherical hinges 404, the opposite both sides in the top that the second fixed spherical hinge 404 is symmetrically set to screen frame (unit) 401.
Wherein, double deck screen 4 includes screen frame (unit) 401, the first screen layers 402, the second screen layers 403, second fixation spherical hinge 404, consolidates
The fixed spherical hinge 408 of fixed board 405, movable sealing plate 406, front shoe 407, third and card slot 409, the fixed ball stand 408 of third
On 401 bottom surface of screen frame (unit), fixed plate 405 wraps up 401 left side of screen frame (unit), right side and trailing flank, 401 leading flank of screen frame (unit) towards this
Side surface direction is equipped with front shoe 407, and front shoe 407 and screen frame (unit) 401 constitute card slot 409, card slot 409 and movable sealing plate 406
It is adapted, movable sealing plate 406 is inserted into card slot 409.
First screen layers 402 and the second screen layers 403 are respectively arranged on the wherein on one side and opposite of the top and bottom of screen frame (unit) 401
Another side, the first screen layers 401 and the second screen layers 402 can according to need transposition.
Transmission system 3 includes belt wheel transmission mechanism 31, cam drive 32, Worm and worm-wheel gearing 33, belt wheel biography
Motivation structure 31 includes belt 300, the first belt pulley 310, the second belt pulley 320 and third belt pulley 330, the first belt pulley 310
It is connect with power output shaft 202, first belt pulley 310 of the linkage of belt 300, the second belt pulley 320 and third belt pulley 330, the
Two belt pulleys 320 drive cam drive 32, and third belt pulley 330 drives Worm and worm-wheel gearing 33.
Cam drive 32 includes the second pulley shaft 321, first bevel gear 322, second bevel gear 323, cam
Drive shaft 324 and cam 325, the second pulley shaft 321 are set in rack 1, and the second belt pulley 320 is sheathed on the second belt pulley
One end of wheel shaft 321, first bevel gear 322 are sheathed on the other end of the second pulley shaft 321, the second pulley shaft 321
Drive first bevel gear 322 to rotate, first bevel gear 322 engages with second bevel gear 323, second bevel gear 323 be arranged with it is convex
One end of wheel drive shaft 324, actuated by cams axis 324 are set in rack 1, and cam 325 is sheathed on the another of actuated by cams axis 324
End, double deck screen 4 are set on cam 325 in linkage, and cam 325 imparts power to double deck screen 4, and it is flat to provide double deck screen 4 one sieves
Small size rotary motion in face.
Turbine and worm transmission mechanism 33 include third pulley shaft 331, worm screw 332, worm gear 333, worm gear shaft 334, partially
Heart wheel 335 and driving pull rod 336, third pulley shaft 331 are set in rack 1, and third belt pulley 330 is sheathed on third belt
One end of wheel shaft 331 is taken turns, worm screw 332 is sheathed on third pulley shaft 331, and worm gear 333 is sheathed on turbine wheel shaft 334, snail
Wheel 333 is engaged with worm screw 332, and eccentric wheel 335 is sheathed on one end of turbine wheel shaft 334, and eccentric wheel is fixed in driving 336 one end of pull rod
On 335 wheel faces, the other end of pull rod 336 is driven to connect with the fixed spherical hinge 408 of third, driving pull rod 336 imparts power to
Double deck screen 4 provides the reciprocating motion in 4 one degree of freedom direction of double deck screen.
The second belt pulley bearing spider A 111, the second belt pulley bearing spider B 112, third belt are additionally provided in rack 1
Wheel bearing support A 113, third belt pulley bearing spider B 114, camshaft bearing support A 115, camshaft bearing support B 116,
Worm Bearing support A 117 and Worm Bearing support B 118, the second pulley shaft 321 are set to the second belt pulley bearing spider A
The 111 and second belt pulley bearing spider B 112, third pulley shaft 331 are set to third belt pulley bearing spider A 113 and the
Three belt pulley bearing spider B 114, actuated by cams axis 324 are set to camshaft bearing support A 115 and camshaft bearing support B 116,
Worm gear shaft 334 is set to Worm Bearing support A 117 and Worm Bearing support B 118.
The combination of cam drive 32 and Worm and worm-wheel gearing 33, when carrying out seed classification screening, by dynamic
The power output shaft 202 of Force system 2 imparts power to worm screw 332 and the cam drive 32 of worm gear mechanism 33 simultaneously
First bevel gear 322 double deck screen 4 can be made to generate a kind of with the past of various functional relations by cooperating different transmission ratio
Multiple movement and rotary motion rule.When carrying out the screening of different type seed classification, the eccentricity of eccentric wheel 335 can 1-10cm model
The angle for enclosing interior adjustable, to generate by cam 325 rotary motion can be adjustable within the scope of 5-10 degree.
First screen layers 402 and the second screen layers 403 are sieved using metal knitted sieve, flake sieve or Metal-Piercing, can basis
Different types of seed classification screening selects different compass screen surface forms.
The course of work of the present embodiment is as follows: seed being placed in the first screen layers 402 of double deck screen 4, dynamical system 2
The first belt pulley of band 310 is driven by power output shaft 202, the first belt pulley 310 drives the second belt pulley by belt 300
320 movements, the second belt pulley 320 impart power to first bevel gear 322, the first cone tooth by the second pulley shaft 321
Wheel 322 is engaged with second bevel gear 323, and second bevel gear 323 is moved by actuated by cams axis 324 with moving cam 325, cam
325 impart power to screen frame (unit) 401, provide the small size rotary motion in double deck screen 4 one sieve planes, and the first belt pulley 310 is logical
Crossing belt 300 drives third belt pulley 330 to move, and third belt pulley 330 is imparted power to by third pulley shaft 331
Worm screw 332, worm screw 332 engage with worm gear 333, and worm gear 333 imparts power to eccentric wheel 335, eccentric wheel by turbine wheel shaft 334
335, by driving pull rod 336 to impart power to screen frame (unit) 401, provide the reciprocating motion in 4 one degree of freedom direction of double deck screen, lead to
The two degree-of-freedom motion of double deck screen horizontal direction and vertical direction is crossed, realizes that seed is fast and efficiently classified.
The two degrees of freedom category filter device of the present embodiment passes through the group using worm gear structure and cam drive
It closes, realizes the two degree-of-freedom motion form that double deck screen is translatable and rotates in three-dimensional space, while according to institute's category filter seed
Physical property is different, and the transmission ratio of adjustable worm gear structure and cam structure realizes efficient quick category filter.
By choosing the compass screen surface form of double deck screen screen box appropriate and controlling translation amplitude appropriate and rotational angle, not only
Can have wide practical use in the screening of agricultural material seed classification, also have in terms of mining industry and medical and health practical well
Value.The device has the characteristics that high efficiency, high reliability and high universality, while the advantage for having processing cost low, has
Good market prospects.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. a kind of two degrees of freedom category filter device, it is characterised in that: including rack (1), dynamical system (2), transmission system (3)
With double deck screen (4), the dynamical system (2) is mounted on rack (1), is set transmission system (3) in the rack (1), described dynamic
Force system (2) includes dynamical system ontology (201) and power output shaft (202), and the dynamical system ontology (201) and power are defeated
Shaft (202) connection, the power output shaft (202) drive transmission system (3), and the transmission system (3) drives double deck screen
(4), the rack (1) is equipped with stand connecting rod (101), and the stand connecting rod (101) passes through pull rod (103) and double deck screen (4)
It is flexibly connected.
2. two degrees of freedom category filter device according to claim 1, it is characterised in that: the double deck screen (4) includes sieve
Frame (401) is respectively equipped with the first screen layers (402) and the second screen layers (403), the sieve at the top and bottom of the screen frame (unit) (401)
Left side, right side and the trailing flank of frame (401) pass through fixed plate (405) package, and the leading flank of the screen frame (unit) (401) is equipped with
Movable sealing plate (406), the movable sealing plate (406) are flexibly connected with screen frame (unit) (401).
3. two degrees of freedom category filter device according to claim 2, it is characterised in that: the stand connecting rod (101)
Top is equipped with first fixed spherical hinge (102), and the top of the screen frame (unit) (401) is respectively equipped with the second fixed spherical hinge with respect to both sides
(404), described first fixed spherical hinge (102) and one end of pull rod (103) are hinged, and the other end of the pull rod (103) passes through
Second fixed spherical hinge (404) and screen frame (unit) (401) are hinged.
4. two degrees of freedom category filter device according to claim 2 or 3, it is characterised in that: the double deck screen (4) includes
Front shoe (407), the front shoe (407) and screen frame (unit) (401) constitute card slot (409), the card slot (409) and movable envelope
Plate (406) is adapted, in movable sealing plate (406) insertion card slot (409).
5. two degrees of freedom category filter device according to claim 4, it is characterised in that: the transmission system (3) includes
Belt wheel transmission mechanism (31), cam drive (32) and Worm and worm-wheel gearing (33), the belt wheel transmission mechanism (31)
Including belt (300), the first belt pulley (310), the second belt pulley (320) and third belt pulley (330), first belt pulley
(310) it is connect with power output shaft (202), first belt pulley (310), the second belt pulley (320), third belt pulley
(330) it is linked by belt (300), second belt pulley (320) drives cam drive (32), the third belt pulley
(330) Worm and worm-wheel gearing (33) are driven.
6. two degrees of freedom category filter device according to claim 5, it is characterised in that: the cam drive (32)
Including the second pulley shaft (321), first bevel gear (322), second bevel gear (323), actuated by cams axis (324) and cam
(325), second belt pulley (320) is sheathed on one end of the second pulley shaft (321), second pulley shaft
(321) it is set on rack (1), the other end of second pulley shaft (321) is arranged with first bevel gear (322), described
First bevel gear (322) is engaged with second bevel gear (323), and the second bevel gear (323) is sheathed on actuated by cams axis (324)
One end, the other end of the actuated by cams axis (324) is arranged with cam (325), and the actuated by cams axis (324) is set to rack
(1) on, the cam (325) drives screen frame (unit) (401), and the cam (325) links double deck screen (4).
7. two degrees of freedom category filter device according to claim 6, it is characterised in that: the Worm and worm-wheel gearing
It (33) include third pulley shaft (331), worm screw (332), worm gear (333), worm gear shaft (334), eccentric wheel (335) and driving
Pull rod (336), the third belt pulley (330) are sheathed on one end of third pulley shaft (331), the third belt pulley wheel
Axis (331) be set to rack (1) on, be arranged with worm screw (332) on the third pulley shaft (331), the worm screw (332) with
Worm gear (333) engagement, the worm gear (333) are sheathed on worm gear shaft (334), and the turbine wheel shaft (341) is set on rack (1),
One end of the turbine wheel shaft (341) is arranged with eccentric wheel (335), and the eccentric wheel (335) connect with driving pull rod (336), institute
It states driving pull rod (336) to connect with third fixed spherical hinge (408), the third fixed spherical hinge (408) is set to screen frame (unit) (401)
Bottom, the eccentric wheel (335) link double deck screen (4).
8. two degrees of freedom category filter device according to claim 7, it is characterised in that: the eccentric wheel (335) it is inclined
The heart is 5-10 degree away from the angle for 1-10cm, cam (325) rotary motion.
9. two degrees of freedom category filter device according to claim 1, it is characterised in that: first screen layers (402) and
Second screen layers (403) are metal knitted screen layers, flake screen layers or Metal-Piercing screen layers.
10. two degrees of freedom category filter device according to claim 1, it is characterised in that: first screen layers (402) set
At the top of screen frame (unit) (401), second screen layers (403) are set to screen frame (unit) (401) bottom；Or first screen layers (402) are set to
Screen frame (unit) (401) bottom, second screen layers (403) are set at the top of screen frame (unit) (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617799.3A CN109530221A (en) | 2018-12-28 | 2018-12-28 | A kind of two degrees of freedom category filter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617799.3A CN109530221A (en) | 2018-12-28 | 2018-12-28 | A kind of two degrees of freedom category filter device |
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| CN109530221A true CN109530221A (en) | 2019-03-29 |
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| CN201811617799.3A Pending CN109530221A (en) | 2018-12-28 | 2018-12-28 | A kind of two degrees of freedom category filter device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729844A (en) * | 2020-07-03 | 2020-10-02 | 广东水电二局股份有限公司 | Multi-dimensional shaking type sand stone sieving device based on swinging feeding |
| CN115178647A (en) * | 2022-09-14 | 2022-10-14 | 季华实验室 | Punching classification method and system, electronic equipment and storage medium |
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