CN108144843A - Ore in sand form screening installation based on the separation of arc beat - Google Patents
Ore in sand form screening installation based on the separation of arc beat Download PDFInfo
- Publication number
- CN108144843A CN108144843A CN201810009571.XA CN201810009571A CN108144843A CN 108144843 A CN108144843 A CN 108144843A CN 201810009571 A CN201810009571 A CN 201810009571A CN 108144843 A CN108144843 A CN 108144843A
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- Prior art keywords
- arc
- drive shaft
- guide
- rack
- driving
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Classifications
-
- 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
-
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention provides the ore in sand form screening installations detached based on arc beat, it includes rack, the screening plant for screening material is provided in rack, the power supply device that driving screening plant operates, is set between screening plant and power supply device and for the percussion mechanism of passing power, percussion mechanism one end is connect with power supply device, the other end and screening plant connect, and power supply device drives screening plant vibrations so as to fulfill the screening to material by percussion mechanism；The state switching mechanism for screening plant to be controlled to switch under different working modes is additionally provided on the percussion mechanism, is additionally provided with and matches with state switching mechanism and can the trigger mechanism that switches over of driving condition switching mechanism in rack；Power supply device is connected to the driving end of drive shaft by the first transmission mechanism, and the output terminal of drive shaft is connected to the driving end of vibrations frame by the second transmission mechanism, and the output terminal for shaking frame is connected to the driving end of screening plant by third transmission mechanism.
Description
Technical field
The present invention relates to a kind of screening equipment, and in particular to a kind of adjustable screen of amplitude of vibration.
Background technology
Screen is shaken to use extensively, due in the actual production process, usually will appear material in actual production life
The disconnection phenomenon of supply, if not closing equipment at this time, equipment is constantly in unloaded vibrating state, the resource not only wasted,
It increases production cost simultaneously, also reduces the service life of equipment, but if frequently opening/pass hull closure, not only needs
Simultaneously, frequent ON/OFF can also damage equipment additional operating personnel.
Invention content
It to solve the deficiencies in the prior art, can be in the small size vibrating state of zero load/underloading the object of the present invention is to provide one kind
The screen switched between heavy duty substantially vibrating state.
To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
Based on the ore in sand form screening installation of arc beat separation, including rack, it is provided in rack for screening material
Screening plant, is set between screening plant and power supply device and uses the power supply device for driving screening plant operating
In the percussion mechanism of passing power, percussion mechanism one end is connect with power supply device, the other end and screening plant connect, power
Feeding mechanism drives screening plant vibrations so as to fulfill the screening to material by percussion mechanism；
The state switching machine for screening plant to be controlled to switch under different working modes is additionally provided on the percussion mechanism
Structure is additionally provided in rack and matches with state switching mechanism and can the trigger mechanism that switches over of driving condition switching mechanism；
The rack includes being set to the base on ground and for providing power supply device, state switching mechanism support
, the supporting rack upwardly extended is disposed on pedestal vertically, the top movable of supporting rack is equipped with for screening plant, triggering
Mechanism provides the arc supporting plate of support, and above-mentioned screening plant, trigger mechanism are installed on arc supporting plate, screening plant,
It postpones arrangement in trigger mechanism is generally aligned in the same plane and along the conveying direction of material, the feed end and material conveyor of trigger mechanism
The delivery end adjoining of structure, the delivery end of trigger mechanism and the feed end of screening plant abut；
The percussion mechanism includes drive shaft, the vibrations frame that is flexibly connected with drive shaft, and power supply device passes through the
One transmission mechanism is connected to the driving end of drive shaft, and the output terminal of drive shaft is connected to vibrations frame by the second transmission mechanism
Driving end, the output terminal for shaking frame is connected to the driving end of screening plant by third transmission mechanism；
The vibrations frame includes horizontally disposed linkage section and the drive section for being fixedly connected with linkage section and arranging vertically,
The junction of middle connecting segment and drive section is articulated on state switching mechanism, which is axially perpendicular to linkage section and drive section
The plane of formation, vibrations frame can be rotated around the articulated shaft；
Power supply device is motor, and motor coaxle, which is set to the one end of drive shaft and is connected to driving by shaft joint, to be turned
The driving end of axis, the output terminal of drive shaft are equipped with vibrations guide wheel, and the linkage section for shaking frame is offered with shaking guide wheel phase
The connection guide groove matched, the drive section for shaking frame are connected with horizontally disposed and parallel with linkage section central axis linear type tooth
Item, the driving end of screening plant are equipped with arc-shaped rack, be provided between Linear rack and arc-shaped rack respectively with linear type
Rack, arc-shaped rack meshed gears；
The screening plant includes the arc screen for being movably set on arc supporting plate and matching with arc supporting plate, arc
Shape screen bottom is provided with the mounting blocks of installation arc-shaped rack, and the mounting blocks are located at the centre position of arc screen, described
Arc supporting plate on offer the stretching hole stretched out for arc-shaped rack, go out on the arc supporting plate close to arc screen
The position at material end offer for screening after material discharge discharge gate, also Matching installation is useful at the discharge gate
Enter the material guide groove of collection device in directing material；
Above-mentioned percussion mechanism setting is there are two and along conveying direction being centrosymmetrically arranged about arc screen of material, accordingly
Ground, there are two state switching mechanism is also correspondingly arranged, the both ends of above-mentioned drive shaft are respectively arranged with vibrations guide wheel, cam,
Turbine is installed, the power supply device is motor, and the output shaft axis of motor is perpendicular to driving in the middle part of drive shaft
The axis of shaft, and the end of motor output shaft is equipped with and matched worm screw is engaged with turbine.
Above-mentioned technical proposal advanced optimizing and improving.
The vibrations guide wheel is set on the oval plate body of drive shaft output terminal for fixing sleeve, is set on oval plate body
There are the drive rod that slide-and-guide cooperation is formed with above-mentioned connection guide groove, the central axis of drive rod and the central axis of drive shaft
Parallel and not conllinear, above-mentioned connection guide groove is to be opened on linkage section to run through slot, drive rod along the length direction of linkage section
Can in connection guide groove around own axis while moved along the guide direction of connection guide groove, above-mentioned drive section upper edge its
Short transverse offers the driving guide groove through its wall portion, is provided with to form with driving guide groove on the Linear rack and slide
The connecting rod of cooperation is oriented to, connecting rod can move in driving guide groove along the guide direction of driving guide groove；
The state switching mechanism includes connecting with trigger mechanism and for receiving the active switching mechanism of trigger force, being set to
In drive shaft and the cam that can be rotated synchronously with drive shaft and it is set between cam and active switching mechanism and is used for
Realize the driven switching mechanism of percussion mechanism vibrating state switching, the wherein maximum deflection track of cam is more than the deflection of vibrations frame
Track, the minimum deflection track of cam are less than the deflected trajectory of vibrations frame, and the active switching mechanism includes fixed setting
Guide pipe, sliding sleeve is equipped with guide rail in guide pipe, and the wherein central axis of guide pipe is parallel with the axial direction of above-mentioned drive shaft,
Guide rail can move in guide pipe along the axis direction of guide pipe, and the part that guide rail is located at outside guide pipe is installed with fixation
Block, the end that guide rail is located at outside guide pipe are connect with trigger mechanism, and the guide rail outer cover between the end and fixed block
Equipped with the first spring pushed rail towards close to trigger mechanism movement.
Above-mentioned technical proposal advanced optimizing and improving.
What the driven switching mechanism included activity setting can be in the horizontal plane along perpendicular to drive shaft axial-movement
Intermediate link block, be provided with the connecting pole being articulated and connected with above-mentioned vibrations frame, intermediate link block and cam on intermediate link block
Between be provided with changer lever, changer lever can receive the driving of cam and the driving force is transferred to intermediate link block, and described cuts
The slide outside for changing bar is arranged with ring set, and the bullet that traction ring set is moved towards intermediate link block is additionally provided on the changer lever
Property part, the external activity of ring set are equipped with link, linking arm, the centre are provided between the link and sliding block
It is additionally provided on link block and pushes intermediate link block towards the third spring close to cam movement.
Above-mentioned technical proposal advanced optimizing and improving.
The changer lever is hinged with intermediate link block, and the hinged shaft core line and the centerline axis parallel of drive shaft,
The end of changer lever and cam engagement is equipped with shake-up plate, and above-mentioned changer lever, which is located between ring set and shake-up plate, is arranged with promotion
The second spring that ring set is moved towards intermediate link block, the link are articulated with outside ring set, and the axial direction of the articulated shaft
With the centerline axis parallel of drive shaft, described linking arm one end is hinged with link, the other end and sliding block are hinged, wherein connecting
It connects hinged shaft core line that arm hingedly formed with link and linking arm is mutually parallel with the hinged shaft core line that sliding block is hingedly formed
And with the central axis upright of drive shaft.
Above-mentioned technical proposal advanced optimizing and improving.
Above-mentioned percussion mechanism further includes the supporing shell being installed on pedestal, above-mentioned guide pipe one end and supporing shell
It is fixedly connected and is connected with the inner cavity of supporing shell, the intermediate link block edge of guiding is provided in supporing shell and is parallel to linear type tooth
The horizontally-guided clip slot of axial-movement, wherein the guide groove being opened on intermediate link block and being set in horizontally-guided clip slot
Guide protrusions form slide-and-guide cooperation, be additionally provided in supporing shell and be oriented to link along perpendicular to Linear rack center
Axis and vertical restraint slot is moved both perpendicular to drive shaft central axis, guiding is provided at the top of the supporing shell
Linear rack is along perpendicular to drive shaft central axis, reciprocating sliding rail, the sliding rail level are set in the horizontal plane
The top of supporing shell is placed in, Constrained sliding block is fixedly mounted on sliding rail, the Linear rack opens up along its length
Have with the constraint sliding slot that matches of constraint sliding block, constraint sliding block coordinate with constraint sliding slot so that Linear rack can only along perpendicular to
Drive shaft central axis is reciprocating in the horizontal plane.
Above-mentioned technical proposal advanced optimizing and improving.
The trigger mechanism includes the pressing being horizontally placed on arc supporting plate and touches plate, and pressing touches opens above plate
Equipped with for material by deflector chute, pressing touch plate on be additionally provided with traction pressing touch plate vertically held far from arc
The elastic component of supporting plate movement, the trigger mechanism further include the frizzen being set between pressing shake-up plate and sliding rail, triggering
Bar one end passes through the avoid holes being opened on arc supporting plate to be touched with pressing, and plate is fixedly connected, the other end passes through and is opened in support
The through-hole of case top is flexibly connected with guide rail, and hinged block, hinged block one end are additionally provided between the frizzen and guide rail
It is hinged with frizzen, the other end and guide rail are hinged, the hinged shaft core line and be hinged that wherein hinged block is hingedly formed with frizzen
The hinged shaft core line that block and guide rail are hingedly formed be mutually parallel and with the centerline axis parallel of Linear rack.
The advantageous effect of the present invention compared with prior art is that the present invention can be realized and slightly shakes shape in zero load/underloading
The service life for switching not only raising power equipment between state and heavily loaded substantially vibrating state also saves a large amount of energy simultaneously.
Description of the drawings
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ordinary skill people
For member, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the overall structure diagram of the present invention.
Fig. 3 is the internal structure schematic diagram of the present invention.
Fig. 4 is the internal structure schematic diagram of the present invention.
Fig. 5 is the power supply device of the present invention and the cooperation schematic diagram of drive shaft.
Fig. 6 is the drive shaft of the present invention and the cooperation schematic diagram of vibrations frame.
Fig. 7 is the vibrations frame of the present invention and the cooperation schematic diagram of screen.
Fig. 8 is the drive shaft of the present invention, shakes the cooperation schematic diagram of frame, state switching mechanism.
Fig. 9 is the in running order schematic diagram of the state switching mechanism of the present invention.
Figure 10 is the driven switching mechanism schematic diagram of the present invention.
Figure 11 is the in running order structure diagram of the active switching mechanism of the present invention.
Figure 12 is that the active switching mechanism of the present invention is in the structure diagram of original state.
Figure 13 is the cooperation of the state switching mechanism, drive shaft, vibrations frame, Linear rack and installation housing of the present invention
Schematic diagram.
Figure 14 is the cooperation schematic diagram of the state switching mechanism, drive shaft, vibrations frame of the present invention with installing housing.
Figure 15 is the state switching mechanism of the present invention, drive shaft and the cooperation schematic diagram of installation housing.
Figure 16 is the Linear rack of the present invention and the cooperation schematic diagram of sliding rail.
Figure 17 is the trigger mechanism of the present invention, the cooperation schematic diagram of state switching mechanism, vibrations frame, drive shaft.
Figure 18 is the trigger mechanism of the present invention, the cooperation schematic diagram of state switching mechanism, vibrations frame, drive shaft.
It is denoted as in figure：
100th, rack；110th, pedestal；120th, supporting rack；130th, arc supporting plate；
200th, screening plant；210th, arc screen；
300th, power supply device；
400th, percussion mechanism；410th, drive shaft；411st, worm screw；412nd, turbine；413rd, cam；414th, guide wheel is shaken；414a, drive
Lever；420th, frame is shaken；421st, linkage section；421a, connection guide groove；422nd, drive section；422a, driving guide groove；430th, linear type
Rack；440th, gear；450th, arc-shaped rack；460th, supporing shell；461st, horizontally-guided clip slot；462nd, vertical restraint slot；463、
Sliding rail；463a, constraint sliding block；
500th, state switching mechanism；510th, active switching mechanism；511st, guide pipe；512nd, guide rail；512a, sliding block；512aa, company
Connect arm；513rd, the first spring；520th, driven switching mechanism；521st, intermediate link block；521a, connecting pole；521b, guide groove；
522nd, changer lever 522a, shake-up plate；523rd, ring set；523a, link；524th, second spring；525th, third spring；
600th, trigger mechanism；610th, pressing touches plate；620th, frizzen；630th, hinged block.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment rather than whole embodiments of the present invention.Based on this hair
Embodiment in bright, those of ordinary skill in the art without making creative work, the every other reality obtained
Example is applied, belongs to the scope of the present invention.
As shown in Figs 1-4, the ore in sand form screening installation based on the separation of arc beat, including rack 100, sets in rack 100
It is equipped with the screening plant 200 for screening material, the power supply device 300 that driving screening plant 200 operates, is set to screening
Between device 200 and power supply device 300 and for the percussion mechanism 400 of passing power, 400 one end of percussion mechanism and power
Feeding mechanism 300 connects, the other end and screening plant 200 connect, and power supply device 300 is driven by percussion mechanism 400 and sieved
Screening device 200 is shaken so as to fulfill the screening to material.
It is additionally provided with what is switched under different working modes for controlling screening plant 200 on the percussion mechanism 400
State switching mechanism 500 is additionally provided in rack 100 and matches with state switching mechanism 500 and can driving condition switching mechanism
500 trigger mechanisms 600 switched over.
As shown in figure 4, the rack 100 includes being set on ground and for being cut to power supply device 300, state
Converting mechanism 500 provides the pedestal 110 of support, and the supporting rack 120 upwardly extended is disposed with vertically on pedestal 110, supporting rack 120
Top movable is equipped with the arc supporting plate 130 for providing screening plant 200, trigger mechanism 600 support, above-mentioned screening
Device 200, trigger mechanism 600 are installed on arc supporting plate 130, and screening plant 200, trigger mechanism 600 are generally aligned in the same plane
Interior and along material conveying direction is postponed arrangement, and the feed end of trigger mechanism 600 and the delivery end of material conveying mechanism abut, and touch
The feed end of delivery end and screening plant 200 for sending out mechanism 600 abuts.
The vibrations frame 420 that the percussion mechanism 400 includes drive shaft 410, is flexibly connected with drive shaft 410 moves
Power supply unit 300 is connected to the driving end of drive shaft 410 by the first transmission mechanism, and the output terminal of drive shaft 410 leads to
The driving end that the second transmission mechanism is connected to vibrations frame 420 is crossed, the output terminal of vibrations frame 420 is connected to by third transmission mechanism
The driving end of screening plant 200.
More specifically, the vibrations frame 420 includes horizontally disposed linkage section 421 and is fixed with linkage section 421
Connection and the drive section 422 arranged vertically, middle connecting segment 421 and the junction of drive section 422 are articulated with state switching mechanism
On 500, which is axially perpendicular to the plane that linkage section is formed with drive section, and vibrations frame 420 can be rotated around the articulated shaft.
As shown in Figure 6,7, the power supply device 300 is motor, it is preferred that motor coaxle is set to drive shaft
410 one end and the driving end that drive shaft 410 is connected to by shaft joint, the output terminal of drive shaft 410 are equipped with shake
Dynamic guide wheel 414, the linkage section 421 of vibrations frame 420 offer the connection guide groove 421a to match with vibrations guide wheel 414, shake frame
420 drive section 422 is connected with the horizontally disposed and central axis Linear rack 430 parallel with linkage section 421, screening
The driving end of device 200 is equipped with arc-shaped rack 450, be provided between Linear rack 430 and arc-shaped rack 450 respectively with directly
Line style rack 430,450 meshed gears 440 of arc-shaped rack when vibrations frame 420 rotates, can drive Linear rack 430 in water
Reciprocating along center axis in plane, Linear rack 430 has arc-shaped rack 450 by the drive connection of gear 440
Screening plant arcuately rack 450 arcuate directions move back and forth, so as to fulfill the screening to material.
More specifically, the vibrations guide wheel 414 is set on the elliptical flat-plate of 410 output terminal of drive shaft for fixing sleeve
Body is provided with the drive rod 414a that slide-and-guide cooperation is formed with above-mentioned connection guide groove 421a, drive rod on oval plate body
The central axis of 414a is not with the centerline axis parallel of drive shaft 410 and conllinear, and above-mentioned connection guide groove 421a is along connection
The length direction of section 421, which is opened on linkage section 421, runs through slot, and drive rod 414a can be in connection guide groove 421a around itself axis
Line moves while rotation along the guide direction of connection guide groove 421a, and above-mentioned its short transverse of 422 upper edge of drive section offers
Through the driving guide groove 422a of its wall portion, it is provided with to form to slide with driving guide groove 422a on the Linear rack 430 and leads
To the connecting rod of cooperation, connecting rod can move in driving guide groove 422a along the guide direction of driving guide groove 422a, and motor passes through
So as to which vibrations guide wheel 414 be driven to move, drive rod 414a is rotated synchronously drive shaft 410 in connection guide groove 421a, and is driven
The rotation that vibrations frame 420 back and forth switches around the articulated shaft progress clockwise/counterclockwise of vibrations frame 420 and state switching mechanism 500,
Linear rack 430 is driven to be moved back and forth along length direction, and further driven by gear 440 so as to shake frame 420
The arcuate directions of the dynamic screening plant for being connected with arc-shaped rack 450 arcuately rack 450 move back and forth, so as to fulfill to material
Screening.
As shown in Figure 8,9, the state switching mechanism 500 includes connecting with trigger mechanism 600 and for receiving triggering
The active switching mechanism 510 of power, the cam 413 that is set in drive shaft 410 and can be rotated synchronously with drive shaft 410 and
It is set between cam 413 and active switching mechanism 510 and is used to implement the driven switching of 400 vibrating state of percussion mechanism switching
The maximum deflection track of mechanism 520, wherein cam 413 is more than the deflected trajectory of vibrations frame 420, the minimum deflection rail of cam 413
Mark is less than the deflected trajectory of vibrations frame 420, when of the invention in light condition or when screening material is lighter, trigger mechanism
600 are not triggered, and state switching mechanism 500 is in original state, at this point, percussion mechanism 400 drive screening plant 200 carry out compared with
Vibrations by a small margin, when screening material is heavier, trigger mechanism 600 is triggered, state switching mechanism 500 is received from triggering
The trigger force of mechanism 600, and realize the switching from original state to working condition using the trigger force, at this point, percussion mechanism 400
Driving screening plant 200 carries out large range of vibrations, so as to the better screening to material.
As shown in Figure 11,12, the active switching mechanism 510 includes the guide pipe 511 of fixed setting, guide pipe 511
Interior sliding sleeve is equipped with guide rail 512, and the wherein central axis of guide pipe 511 is parallel with the axial direction of above-mentioned drive shaft 410, guide rail
512 can move in guide pipe 511 along the axis direction of guide pipe 511, and the part that guide rail 512 is located at outside guide pipe 511 is consolidated
Dingan County is equipped with fixed block 512a, and the end that guide rail 512 is located at outside guide pipe 511 is connect with trigger mechanism 600, and in the end
512 outer cover of guide rail between fixed block 512a is equipped with push rail 512 towards the first bullet moved close to trigger mechanism 600
Spring 513.
Guide rail 512 rotates during the motion in order to prevent, and above-mentioned guide rail 512 is I-shaped track, above-mentioned
Guide pipe 511 in offer the inner cavity to match with guide rail 512, above-mentioned guide rail 512 is set with the end that trigger mechanism 600 is connect
The limited block that the first spring 513 of limitation is detached from guide rail 512 is equipped with, 513 one end of the first spring is contacted with limited block to reality, the other end
Fixed setting.
As shown in Fig. 9,10, the driven switching mechanism 520 include activity setting can in the horizontal plane along perpendicular to
The intermediate link block 521 of 410 axial-movement of drive shaft is provided on intermediate link block 521 and hingedly connects with above-mentioned vibrations frame 420
The connecting pole 521a connect, is provided with changer lever 522, changer lever 522 can receive cam between intermediate link block 521 and cam 413
The driving force is simultaneously transferred to intermediate link block 521 by 413 driving, and the slide outside of the changer lever 522 is arranged with ring set
523, the elastic component that traction ring set 523 is moved towards intermediate link block 521, ring set 523 are additionally provided on the changer lever 522
External activity link 523a is installed, linking arm 512aa is provided between the link and fixed block 512a, it is described
Intermediate link block 521 on be additionally provided with and push intermediate link block 521 towards the third spring 525 moved close to cam 413.
More specifically, the changer lever 522 and intermediate link block 521 are hinged, and the hinged shaft core line turns with driving
The centerline axis parallel of axis 410, in order to preferably receive the driving force from cam 413, changer lever 522 coordinates with cam 413
End be equipped with and touch plate 522a, above-mentioned changer lever 522, which is located between ring set 523 and shake-up plate 522a, is arranged with promotion ring
The second spring 524 that set 523 is moved towards intermediate link block 521, the link 523a are articulated with outside ring set 523, and
The axial direction of the articulated shaft and the centerline axis parallel of drive shaft 410, described linking arm 512aa one end are cut with scissors with link 523a
Connect, the other end and fixed block 512a are hinged, hinged shaft core line that wherein linking arm 512aa and link 523a are hingedly formed and
The hinged shaft core line that linking arm 512aa and fixed block 512a is hingedly formed is mutually parallel and the central shaft with drive shaft 410
Line is vertical.
When the present invention is in light condition or when screening material is lighter, trigger mechanism 600 is not triggered, state switching
Mechanism 500 is in original state, at this point, the shake-up plate 522a on changer lever 522 is in cam 413 is detached from mated condition, shake
The driving screening plant 200 of motivation structure 400 carries out vibrations more by a small margin, when screening material is heavier, trigger mechanism 600 is touched
Hair, state switching mechanism 500 receive the trigger force from trigger mechanism 600, and using the trigger force realize from original state to
The switching of working condition, at this point, the central axial direction of guide rail 512 along guide pipe 511 is directed away from the direction fortune of vibrations frame 420
It is dynamic, third spring 513 is compressed, and linking arm 512aa is deflected around its articulated shaft with fixed block 512a towards the first spring 513,
And pass through link 523a driving ring sets 523 and compress second spring 524 towards plate 522a movements are touched, in the process, switch
Bar 522 is directed away from the direction deflection of guide pipe 511 around its articulated shaft with intermediate link block 521, and when trigger mechanism 600 is complete
During full triggering, linking arm 512aa is in vertical state, and changer lever 522 is in horizontality, and to touch plate 522a and cam
413 are engaged, here by cam 413 farthest away from the point of cam center of rotation be far point, near 413 rotation center of cam
Point near point, shake frame 420 at this time and be in two kinds of motion states, one is：Around connecting pole under the driving of vibrations guide wheel 414
521a carries out the rotation that clockwise/counterclockwise back and forth switches；Secondly it is：When cam 413 is rotated near point to far point, cam
413 push vibrations frame 420 to be directed away from drive shaft 410 along own axes by driven switching mechanism 520 moves, at this point, the
Three springs 525 are compressed, and when cam 413 is rotated from far point near point, third spring 525 is pushed away by driven switching mechanism 520
Dynamic vibrations frame 420 is moved along own axes towards close to drive shaft 410, so that Linear rack 430 is along own axes
Larger range of reciprocating motion is made in direction, and finally driving screening plant 200 carries out large range of vibrations, thus to material more
Good screening, when material lightens again/it is unloaded when, third spring 513 drives guide rail 512 along 511 central axis direction of guide pipe
It is moved close to vibrations frame 420, linking arm 512aa is deflected, and lead to around its articulated shaft with fixed block 512a towards guide pipe 511
It crosses link 523a driving ring sets 523 to move towards intermediate link block 521, the elastic force of the 4th spring 524 also pushes 523 court of ring set
It is moved to intermediate link block 521, in the process, changer lever 522 is led around its articulated shaft with intermediate link block 521 towards close
It is deflected to the direction of pipe 511, it is final so that shake-up plate 522a and cam 413 are detached from and coordinate.
As shown in Figure 10,13-15, for the ease of the subsequent maintenance of equipment, maintenance, above-mentioned percussion mechanism 400 further includes
The supporing shell 460 being installed on pedestal 110, above-mentioned 511 one end of guide pipe be fixedly connected with supporing shell 460 and with support
The inner cavity of housing 460 is connected, and the intermediate link block 521 of guiding is provided in supporing shell 460 along being parallel to Linear rack axis
The horizontally-guided clip slot 461 of movement, wherein the guide groove 521b being opened on intermediate link block 521 is with being set to horizontally-guided folder
Guide protrusions in slot 461 form slide-and-guide cooperation, be additionally provided in supporing shell 460 be oriented to link 523a along perpendicular to
430 central axis of Linear rack and vertical restraint slot 462 is moved both perpendicular to 410 central axis of drive shaft, work as cam
413 near point to far point rotate when, cam 413 pushes intermediate link block 521 in horizontally-guided clip slot 461 by changer lever 522
The interior guide direction along horizontally-guided clip slot 461 is directed away from drive shaft 410 and moves, at this point, third spring 525 is compressed,
When cam 413 is rotated from far point near point, third spring 525 pushes intermediate link block 521 to be led in level by changer lever 522
It is moved into clip slot 461 along the guide direction of horizontally-guided clip slot 461 towards close drive shaft 410, due to cam 413 most
Big deflected trajectory is more than the deflected trajectory of vibrations frame 420, and the minimum deflection track of cam 413 is less than the deflection rail of vibrations frame 420
Mark, therefore intermediate link block 521 carries out on the basis of 420 drive motion of frame is shaken along the central axis of Linear rack 430
Larger range of movement.
As shown in Figure 13,16, the top of the supporing shell 460 be provided be oriented to Linear rack 430 along perpendicular to
Reciprocating sliding rail 463, the sliding rail 463 are horizontally placed on support to 410 central axis of drive shaft in the horizontal plane
Constrained sliding block 463a is fixedly mounted on sliding rail 463 for the top of housing 460, and the Linear rack 430 is along its length
The constraint sliding slot to match with constraint sliding block 463a is offered, constraint sliding block 463a coordinates with constraint sliding slot so that Linear rack
430 can only be along reciprocating in the horizontal plane perpendicular to 410 central axis of drive shaft.
As shown in Fig. 2,3,17-18, the trigger mechanism 600 includes the pressure being horizontally placed on arc supporting plate 130
Close and touch plate 610, pressing touch the top of plate 610 offer for material by deflector chute, pressing touches to be additionally provided on plate 610
Traction pressing touches the elastic component that plate 610 is vertically moved far from arc supporting plate 130, it is preferable that pressing touches plate 610
Several are equipped between arc supporting plate 130 pushes pressing shake-up plate 610 vertically to be transported far from arc supporting plate 130
Dynamic triggering spring, triggering spring one end is fixedly connected with pressing shake-up plate 610, the other end and arc supporting plate 130 are fixed and connected
It connects.
The stationarity during the motion of plate 610 is touched in order to improve pressing, avoids the occurrence of double swerve, the triggering bullet
Spring one end is sheathed on outside the guide post touched mounted on pressing on plate 610, the other end is sheathed on arc supporting plate 130
Guide rod outside and when guide post is contacted with guide rod, trigger mechanism 600 is triggered completely.
The trigger mechanism 600 further includes the frizzen 620 being set between pressing shake-up plate 610 and sliding rail 512, touches
620 one end of hair bar passes through the avoid holes being opened on arc supporting plate 130 to be touched with pressing, and plate 610 is fixedly connected, the other end is worn
The through-hole being opened at the top of supporing shell 460 is crossed to be flexibly connected with guide rail 512.
More specifically, hinged block 630, hinged block 630 1 are additionally provided between the frizzen 620 and guide rail 512
End is hinged with frizzen 620, the other end and guide rail 512 are hinged, and wherein hinged block 630 is hinged with what frizzen 620 was hingedly formed
Shaft core line and hinged block 630 be mutually parallel with the hinged shaft core line that guide rail 512 is hingedly formed and with Linear rack 430
Centerline axis parallel.
When material touches plate 610 with pressing to be contacted, the gravity of material overcomes the elastic power drive pressing of triggering spring to touch
Movable plate 610 is vertically moved to the direction close to supporting plate 130, and at the same time, frizzen 620 is synchronized with the movement, and pushes
Hinged block 630 is deflected around its hinged direction that plate 610 is touched axially away from pressing between frizzen 620, hinged block 630 with
Minimum angle between guide rail 512 is gradually reduced, and when trigger mechanism 600 triggers completely, hinged block 630 is common with guide rail 512
Axis, state switching mechanism 500 complete the switching from original state to working condition, when material, which is detached from pressing, touches plate 610,
The resilient force pressing of triggering spring touches plate 610 and is vertically moved to the direction far from supporting plate 130, same with this
When, frizzen 620 is synchronized with the movement, and draws hinged block 630 around its articulated shaft and hinged block 630 between frizzen 620
Articulated shaft between guide rail 512 is deflected towards the direction that plate 610 is touched close to pressing, at the same time, state switching mechanism 500
From working condition to the switching of original state.
As shown in fig. 7, the screening plant 200 include be movably set on arc supporting plate 130 and with arc support
The arc screen 210 that plate 130 matches, 210 bottom of arc screen is provided with the mounting blocks of installation arc-shaped rack 450, in order to carry
Stationarity of the high arc screen 210 during screening, the mounting blocks are located at the centre position of arc screen 210, described
Arc supporting plate 130 on offer the stretching hole stretched out for arc-shaped rack 450, for the ease of screening after material return
It receives, the material after the position of close 210 discharge end of arc screen is offered for screening on the arc supporting plate 130
The discharge gate of discharge, more preferably, at the discharge gate also Matching installation be useful for that directing material enters collection device draw material
Slot.
Specifically, above-mentioned its arc direction of 130 upper edge of arc supporting plate offers arc-shaped limit slot, arc filter
The arc link block to match with arc-shaped limit slot is provided on the end face that sieve 210 coordinates with arc supporting plate 130, passes through arc
The cooperation of link block and arc-shaped limit slot, arc screen 210 can on arc supporting plate 130 the arcuately arc of supporting plate 130
It moves back and forth.
By the description above it is recognised that above-mentioned technical solution is taken is installed on screening plant by percussion mechanism 400
200 centre position, the purpose for the arrangement is that in order in actual use as far as possible so that 200 stress of screening plant is equal
Weighing apparatus improves the effect of screening, but in view of the motion process of material in actual production process, material is just by trigger mechanism
600 enter weight maximum during screening plant 200, and the pressure generated at this time to screening plant 200 straight down is also bigger, according to
Well known lever principle F1L1=F2L2,（In formula, F1 represents power, and L1 represents power arm, and F2 represents resistance, and L2 represents resistance
The arm of force, F1 is the gravity for treating screening material in the technical program, and L1 is to treat the center of gravity of screening material between percussion mechanism 400
Distance, F2 are the dead weight of the screening plant 200 of 400 side of percussion mechanism, and L2 is the center of gravity of the side screening plant 200 to jarring machine
The distance of structure 400）Know, L1=L2, F1>F2, junction generation is larger between percussion mechanism 400 and screening plant 200 at this time
Deflecting force after working long hours, may generate the structure of junction certain destruction so as to influence normal production work,
In order to realize the cooperation intensity between the stress equalization of screening plant 200 and percussion mechanism 400 and screening plant 200, this hair
It is bright to additionally provide another technical solution, i.e., the setting of above-mentioned percussion mechanism 400 there are two and along material conveying direction about
Arc screen 210 is centrosymmetrically arranged, correspondingly, there are two state switching mechanism is also correspondingly arranged, in order to realize two vibrations
Mechanism 400 is synchronized with the movement, and the technical program drives two percussion mechanisms 400 simultaneously using same power supply device 300
Operating.
Specifically, the both ends of above-mentioned drive shaft 410 are respectively arranged with vibrations guide wheel 414, cam 513, drive shaft
410 middle part is equipped with turbine 412, and the power supply device 300 is motor, and the output shaft axis of motor is perpendicular to driving
The axis of shaft 410, and the end of motor output shaft is equipped with and matched worm screw 411 is engaged with turbine 412.
Ore in sand form method for sieving based on ore in sand form type or uninterrupted self-regulated amplitude of vibration, step are：
（One）Zero load/underloading stage；
S1：Motor is opened, since the present invention is in light condition or when screening material is lighter, trigger mechanism 600 is not touched
Hair, state switching mechanism 500 are in original state, are detached from this point, the shake-up plate 522a on changer lever 522 is in cam 413
Mated condition, the driving screening plant 200 of percussion mechanism 400 carry out vibrations more by a small margin；
（Two）The heavily loaded stage；
S2：When screening material is heavier, when material is contacted with pressing shake-up plate 610, the gravity of material overcomes triggering spring
Elastic power drive pressing touches plate 610 and is vertically moved to the direction close to supporting plate 130, at the same time, frizzen 620
It is synchronized with the movement, and pushes hinged block 630 around its hinged direction that plate 610 is touched axially away from pressing between frizzen 620
Deflection, the minimum angle between hinged block 630 and guide rail 512 are gradually reduced, and when trigger mechanism 600 triggers completely, hinged
Block 630 and 512 coaxial line of guide rail, state switching mechanism 500 receives the trigger force from trigger mechanism 600, and utilizes the triggering
Power realizes the switching from original state to working condition；
S3：At this point, the direction that the central axial direction of guide rail 512 along guide pipe 511 is directed away from trigger mechanism 600 moves, the
Three springs 513 are compressed, and linking arm 512aa is deflected, and pass through around its articulated shaft with fixed block 512a towards the first spring 513
Link 523a driving ring set 523 compress second spring 524 towards touch plate 522a movement, in the process, changer lever 522 around
Its articulated shaft with intermediate link block 521 is directed away from the direction deflection of guide pipe 511, and when trigger mechanism 600 triggers completely
When, linking arm 512aa is in vertical state, and changer lever 522 is in horizontality, and so that touch plate 522a connects with cam 413
Cooperation is touched, when cam 413 is rotated near point to far point, cam 413 pushes 420 edge of vibrations frame by driven switching mechanism 520
Own axes are directed away from drive shaft 410 and move, at this point, third spring 525 is compressed, when cam 413 is from far point near point
During rotation, third spring 525 pushes vibrations frame 420 along own axes towards close to drive shaft by driven switching mechanism 520
410 movements, since the maximum deflection track of cam 413 is more than the deflected trajectory of vibrations frame 420, the minimum deflection rail of cam 413
Mark is less than the deflected trajectory of vibrations frame 420 so that Linear rack 430 make along own axes direction it is larger range of reciprocal
Movement, and finally driving screening plant 200 carries out large range of vibrations, thus the better screening to material, what screening finished
Material is discharged by discharge gate, and enters collection device eventually by material guide groove, and impurity is arranged by the delivery end of arc screen 210
Go out；
（Three）Reseting stage；
S4：When material lightens again/it is unloaded when, the resilient force pressing for triggering spring touches plate 610 vertically to remote
Direction movement from supporting plate 130, at the same time, frizzen 620 is synchronized with the movement, and draws hinged block 630 around itself and frizzen
Articulated shaft between articulated shaft and hinged block 630 and guide rail 512 between 620 is towards close to the direction of pressing shake-up plate 610
Deflection, at the same time, switching of the state switching mechanism 500 from working condition to original state, third spring 513 drive guide rail
512 move along 511 central axis of guide pipe towards close to trigger mechanism 600, and linking arm 512aa is around its hinge with fixed block 512a
Spindle is deflected towards guide pipe 511, and is passed through link 523a driving ring sets 523 and moved towards intermediate link block 521, the 4th bullet
The elastic force of spring 524 also pushes ring set 523 to be moved towards intermediate link block 521, and in the process, changer lever 522 is around itself and centre
The articulated shaft of link block 521 is deflected towards close to the direction of guide pipe 511, final to be detached from so that touching plate 522a with cam 413
Cooperation.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention；
A variety of modifications of these embodiments will be apparent for those skilled in the art, defined in the present invention
General Principle can not depart from the present invention spirit or scope in the case of, realize in other embodiments.Therefore, originally
Invention will not be defined to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein
Consistent most wide range.
Claims (6)
1. the ore in sand form screening installation based on the separation of arc beat, which is characterized in that it includes rack, is provided with to sieve in rack
It examines the screening plant of material, the power supply device of driving screening plant operating, be set to screening plant and power supply device
Between and for the percussion mechanism of passing power, percussion mechanism one end is connect with power supply device, the other end and screening plant
Connection, power supply device drive screening plant vibrations so as to fulfill the screening to material by percussion mechanism；
The state switching machine for screening plant to be controlled to switch under different working modes is additionally provided on the percussion mechanism
Structure is additionally provided in rack and matches with state switching mechanism and can the trigger mechanism that switches over of driving condition switching mechanism；
The rack includes being set to the base on ground and for providing power supply device, state switching mechanism support
, the supporting rack upwardly extended is disposed on pedestal vertically, the top movable of supporting rack is equipped with for screening plant, triggering
Mechanism provides the arc supporting plate of support, and above-mentioned screening plant, trigger mechanism are installed on arc supporting plate, screening plant,
It postpones arrangement in trigger mechanism is generally aligned in the same plane and along the conveying direction of material, the feed end and material conveyor of trigger mechanism
The delivery end adjoining of structure, the delivery end of trigger mechanism and the feed end of screening plant abut；
The percussion mechanism includes drive shaft, the vibrations frame that is flexibly connected with drive shaft, and power supply device passes through the
One transmission mechanism is connected to the driving end of drive shaft, and the output terminal of drive shaft is connected to vibrations frame by the second transmission mechanism
Driving end, the output terminal for shaking frame is connected to the driving end of screening plant by third transmission mechanism；
The vibrations frame includes horizontally disposed linkage section and the drive section for being fixedly connected with linkage section and arranging vertically,
The junction of middle connecting segment and drive section is articulated on state switching mechanism, which is axially perpendicular to linkage section and drive section
The plane of formation, vibrations frame can be rotated around the articulated shaft；
Power supply device is motor, and motor coaxle, which is set to the one end of drive shaft and is connected to driving by shaft joint, to be turned
The driving end of axis, the output terminal of drive shaft are equipped with vibrations guide wheel, and the linkage section for shaking frame is offered with shaking guide wheel phase
The connection guide groove matched, the drive section for shaking frame are connected with horizontally disposed and parallel with linkage section central axis linear type tooth
Item, the driving end of screening plant are equipped with arc-shaped rack, be provided between Linear rack and arc-shaped rack respectively with linear type
Rack, arc-shaped rack meshed gears；
The screening plant includes the arc screen for being movably set on arc supporting plate and matching with arc supporting plate, arc
Shape screen bottom is provided with the mounting blocks of installation arc-shaped rack, and the mounting blocks are located at the centre position of arc screen, described
Arc supporting plate on offer the stretching hole stretched out for arc-shaped rack, go out on the arc supporting plate close to arc screen
The position at material end offer for screening after material discharge discharge gate, also Matching installation is useful at the discharge gate
Enter the material guide groove of collection device in directing material；
Above-mentioned percussion mechanism setting is there are two and along conveying direction being centrosymmetrically arranged about arc screen of material, accordingly
Ground, there are two state switching mechanism is also correspondingly arranged, the both ends of above-mentioned drive shaft are respectively arranged with vibrations guide wheel, cam,
Turbine is installed, the power supply device is motor, and the output shaft axis of motor is perpendicular to driving in the middle part of drive shaft
The axis of shaft, and the end of motor output shaft is equipped with and matched worm screw is engaged with turbine.
2. the ore in sand form screening installation based on the separation of arc beat according to claim 1, which is characterized in that described
Vibrations guide wheel the oval plate body of drive shaft output terminal is set on for fixing sleeve, be provided with and above-mentioned connection on oval plate body
Guide groove forms the drive rod of slide-and-guide cooperation, the central axis of drive rod and the centerline axis parallel of drive shaft and is not total to
Line, above-mentioned connection guide groove are to be opened on linkage section to run through slot along the length direction of linkage section, and drive rod can be led in connection
It is moved while in slot around own axis along the guide direction of connection guide groove, above-mentioned its short transverse of drive section upper edge is opened
Equipped with the driving guide groove through its wall portion, it is provided on the Linear rack and forms slide-and-guide cooperation with driving guide groove
Connecting rod, connecting rod can move in driving guide groove along the guide direction of driving guide groove；
The state switching mechanism includes connecting with trigger mechanism and for receiving the active switching mechanism of trigger force, being set to
In drive shaft and the cam that can be rotated synchronously with drive shaft and it is set between cam and active switching mechanism and is used for
Realize the driven switching mechanism of percussion mechanism vibrating state switching, the wherein maximum deflection track of cam is more than the deflection of vibrations frame
Track, the minimum deflection track of cam are less than the deflected trajectory of vibrations frame, and the active switching mechanism includes fixed setting
Guide pipe, sliding sleeve is equipped with guide rail in guide pipe, and the wherein central axis of guide pipe is parallel with the axial direction of above-mentioned drive shaft,
Guide rail can move in guide pipe along the axis direction of guide pipe, and the part that guide rail is located at outside guide pipe is installed with fixation
Block, the end that guide rail is located at outside guide pipe are connect with trigger mechanism, and the guide rail outer cover between the end and fixed block
Equipped with the first spring pushed rail towards close to trigger mechanism movement.
3. the ore in sand form screening installation based on the separation of arc beat according to claim 2, which is characterized in that described
Driven switching mechanism include activity setting can in the horizontal plane along perpendicular to drive shaft axial-movement intermediate link block,
The connecting pole being articulated and connected with above-mentioned vibrations frame is provided on intermediate link block, switching is provided between intermediate link block and cam
Bar, changer lever can receive the driving of cam and the driving force are transferred to intermediate link block, the slide outside of the changer lever
Ring set is arranged with, is additionally provided on the changer lever and draws the elastic component that ring set is moved towards intermediate link block, outside ring set
Portion is movably installed with link, and linking arm is provided between the link and sliding block, is also set on the intermediate link block
It is equipped with and pushes intermediate link block towards the third spring close to cam movement.
4. the ore in sand form screening installation based on the separation of arc beat according to claim 3, which is characterized in that described
Changer lever be hinged with intermediate link block, and the hinged shaft core line and the centerline axis parallel of drive shaft, changer lever and cam
The end of cooperation is equipped with shake-up plate, and above-mentioned changer lever, which is located to be arranged between ring set and shake-up plate, pushes ring set towards centre
The second spring of link block movement, the link is articulated with outside ring set, and the axial direction of the articulated shaft and drive shaft
Centerline axis parallel, described linking arm one end is hinged with link, the other end and sliding block are hinged, wherein linking arm and link
The hinged shaft core line and linking arm hingedly formed is mutually parallel with the hinged shaft core line that sliding block is hingedly formed and turns with driving
The central axis upright of axis.
5. the ore in sand form screening installation based on the separation of arc beat according to claim 2, which is characterized in that above-mentioned
Percussion mechanism further include the supporing shell being installed on pedestal, above-mentioned guide pipe one end be fixedly connected with supporing shell and with
The inner cavity of supporing shell is connected, and the intermediate link block edge of guiding is provided in supporing shell and is parallel to Linear rack axial-movement
Horizontally-guided clip slot, wherein the guide groove being opened on intermediate link block and the guide protrusions structure being set in horizontally-guided clip slot
Coordinate into slide-and-guide, be additionally provided in supporing shell and be oriented to link edge perpendicular to Linear rack central axis and hang down simultaneously
Vertical restraint slot directly is moved in drive shaft central axis, is provided at the top of the supporing shell and is oriented to Linear rack edge
Perpendicular to drive shaft central axis, reciprocating sliding rail, the sliding rail are horizontally placed on supporing shell in the horizontal plane
Top, Constrained sliding block is fixedly mounted on sliding rail, the Linear rack offers and constraint sliding block along its length
The constraint sliding slot to match, constraint sliding block coordinates with constraint sliding slot so that Linear rack can only be along perpendicular to drive shaft center
Axis is reciprocating in the horizontal plane.
6. the ore in sand form screening installation based on the separation of arc beat according to claim 5, which is characterized in that described
Trigger mechanism include being horizontally placed on pressing on arc supporting plate and touch plate, pressing touches to offer above plate leads to for material
The deflector chute crossed, pressing, which touches, is additionally provided with the bullet that traction pressing shake-up plate is vertically moved far from arc supporting plate on plate
Property part, the trigger mechanism, which further includes, to be set to pressing and touches frizzen between plate and sliding rail, and frizzen one end passes through and opens
Avoid holes on arc supporting plate are fixedly connected with pressing shake-up plate, the other end passes through and is opened in leading at the top of supporing shell
Hole is flexibly connected with guide rail, is additionally provided with hinged block between the frizzen and guide rail, hinged block one end and frizzen be hinged,
The other end is hinged with guide rail, and the hinged shaft core line and hinged block that wherein hinged block is hingedly formed with frizzen are hinged shape with guide rail
Into hinged shaft core line be mutually parallel and with the centerline axis parallel of Linear rack.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810009571.XA CN108144843B (en) | 2018-01-05 | 2018-01-05 | Ore in sand form screening installation based on the separation of arc beat |
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| CN201810009571.XA CN108144843B (en) | 2018-01-05 | 2018-01-05 | Ore in sand form screening installation based on the separation of arc beat |
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| CN109701875A (en) * | 2018-12-31 | 2019-05-03 | 华宝龙 | A kind of industrialization mixed material sieving and grading filtration treatment device |
| CN110586462A (en) * | 2019-09-24 | 2019-12-20 | 长沙市天珍科技有限公司 | Multistage screening plant of soybean seed |
| CN111151519A (en) * | 2020-01-03 | 2020-05-15 | 安徽省海仁材料科技有限公司 | Recycled concrete granule surface mortar remove device |
| CN112179080A (en) * | 2020-09-30 | 2021-01-05 | 刘海燕 | Chinese-medicinal material drying device turn over stir-fry mechanism |
| CN112317313A (en) * | 2020-10-19 | 2021-02-05 | 陕西花弄影家具有限公司 | Sand screening device for building construction |
| CN112570252A (en) * | 2020-10-21 | 2021-03-30 | 贵州省生物研究所 | Fan jing mountain sieving mechanism for fir seed |
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| CN108144843B (en) | 2019-01-18 |
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