CN104889045B - Centrifugal type bar material screening mechanism - Google Patents
Centrifugal type bar material screening mechanism Download PDFInfo
- Publication number
- CN104889045B CN104889045B CN201510312668.4A CN201510312668A CN104889045B CN 104889045 B CN104889045 B CN 104889045B CN 201510312668 A CN201510312668 A CN 201510312668A CN 104889045 B CN104889045 B CN 104889045B
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- Prior art keywords
- sub
- sieve
- bar
- centrifugal
- groove
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- Expired - Fee Related
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- 238000012216 screening Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 239000011148 porous material Substances 0.000 claims description 22
- 238000005119 centrifugation Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 14
- 241000826860 Trapezium Species 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000007664 blowing Methods 0.000 abstract description 2
- 235000013311 vegetables Nutrition 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
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
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
Landscapes
- Centrifugal Separators (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
Provided is a centrifugal type bar material screening mechanism. The centrifugal type bar material screening mechanism comprises a feeding device, a centrifugal sorting device, a driving device, and a rack, the centrifugal sorting device comprises a screening cylinder, a centrifugal wheel, a transmission shaft, and a collection bunker, the circumferential surface of the centrifugal wheel is provided with a plurality tooth-shaped bar material containing grooves, the circumferential surface of the screening cylinder is provided with a feeding groove and a screening groove, the screening groove forms a discharge outlet and a support surface at the circumferential surface of the screening cylinder, the support surface, a surface of the centrifugal wheel, and any limiting back-up ring form a U-shaped support groove, a high-pressure air source is provided and separated in the containing grooves via air holes, a bar material is abutted against a groove bottom surface of the U-shaped support groove via blowing and sliding, and when the length of a to-be-screened bar material is not within the support length of the U-shaped support groove, the bar material correspondingly falls into the collection bunker via the discharge outlet. The new and high-efficiency centrifugal type bar material screening mechanism is used for screening the bar materials with different lengths, especially for the length screening of some bar-shaped vegetables.
Description
Technical field
The present invention relates to material sieving technology field, more particularly, to centrifugal bar screening mechanism.
Background technology
Existing separating screen device is mainly used in the size sorting of sub-sieve powdery, graininess, globular material.For elongated bar stock
Length sub-sieve problem, is specifically similar to the bar length sub-sieve problem of the insufficient rigidity such as Folium Allii tuberosi bar, in the prior art not yet
Discovery has preferable solution.
Content of the invention
It is an object of the invention to proposing a kind of new and effective centrifugal bar screening mechanism, for sub-sieve different length
Bar, be particularly directed to the length sub-sieve of some bar-shaped greengroceries.
For reaching this purpose, the present invention employs the following technical solutions:
Centrifugal bar screening mechanism, including feed arrangement, centrifugation sorting equipment, driving means and frame, described centrifugation
Sorting equipment is installed on described frame；
Described centrifugation sorting equipment includes sub-sieve cylinder, centrifugal wheel, power transmission shaft and collecting bin, the axle center setting of described sub-sieve cylinder
There is described power transmission shaft, described centrifugal wheel and described sub-sieve cylinder coaxially and by described power transmission shaft are installed in described sub-sieve cylinder around institute
State power transmission shaft rotation, the side face of described centrifugal wheel is provided with multiple dentation bar holding tanks；
The both ends of the surface of described centrifugal wheel are separately provided for preventing the limit that bar during sub-sieve skids off along generatrix direction
Position back-up ring, described spacing back-up ring is provided with a series of circumferentially distributed pores, the described pore groove position with described holding tank respectively
Corresponding；
The side face of described sub-sieve cylinder offers feed well and sub-sieve groove, and described sub-sieve groove is formed in the side face of described sub-sieve cylinder
One discharging opening and supporting surface, described supporting surface forms one with the surface of described centrifugal wheel and arbitrary described limiting block circle
U shape support slot；
Described frame is provided with high-pressure air source between described feed well and described sub-sieve groove, and described high-pressure air source is through described
Pore will separate in described holding tank, and bar is blown the groove bottom that cunning is mutually butted on described u shape support slot, when certain treats sub-sieve rod
When the length of material is not in the bearing length of described u shape support slot, this bar accordingly drops into described collection through described discharging opening
In storehouse；
Described feed arrangement is arranged at the feed well of described sub-sieve cylinder by frame, and described driving means drive described transmission
Axle drives described centrifugal wheel to rotate, and treats that the bar of sub-sieve realizes sub-sieve through described sub-sieve groove.
More excellent, described discharging opening is a right-angled trapezium along after the side face expansion of described sub-sieve cylinder, described right-angled trapezium
The diametral plane parallel to described sub-sieve cylinder for the public vertical edges and the setting of the inner side along arbitrary described spacing back-up ring, described right angle ladder
The short top margin of shape is the starting end of sub-sieve process, and the long base of described right-angled trapezium is the clearing end of sub-sieve process；
Described collecting bin is provided with the collection port of multigroup corresponding difference bar length of interval.
More excellent, described feed arrangement is included for controlling the feeding warehouse of feedstock direction and the bullet for separating bar one by one
Property pusher dog, the discharging direction of the discharge end of described feeding warehouse is provided with described resilient fingers.
More excellent, the discharge end of described feeding warehouse is provided with the delivery sheet for vibrating by a small margin and is used for moving up and down tune
The controllable register of section charging rate.
More excellent, the gap value between the inwall of described sub-sieve cylinder and the maximum gauge face of described centrifugal wheel is less than treats sub-sieve
The minimum diameter value of bar.
More excellent, the profile of tooth holding tank on the surface of described centrifugal wheel is made using flexible material.
More excellent, the aperture of described pore is less than the minimum diameter treating sub-sieve bar, and described pore is correspondingly arranged in described
The center of the groove position of holding tank.
More excellent, described driving means adopt belt wheel transmission mode.
More excellent, described spacing back-up ring and described centrifugal wheel integrated design.
More excellent, described feed arrangement and described centrifugation sorting equipment are installed on described frame by gripper shoe.
Beneficial effects of the present invention: 1, realize the bar screening to different length；2nd, sub-sieve efficiency high, is suitable for big at a high speed
The length sub-sieve of batch bar；3rd, the profile of tooth holding tank design of centrifugal wheel reduces the damage to bar during sub-sieve.
Brief description
Fig. 1 is mechanism's overall structure diagram of one embodiment of the present of invention；
Fig. 2 is the overall explosive view of one embodiment of the present of invention；
Fig. 3 is the partial cutaway schematic view of one embodiment of the present of invention；
Fig. 4 be the centrifugation axle side cross-sectional view of sorting equipment of one embodiment of the present of invention and its locally put
Big figure；
Fig. 5 is the cross-sectional view of the centrifugation sorting equipment of one embodiment of the present of invention；
Fig. 6 is the reverse isometric cutaway view of centrifugation sorting equipment and the partial enlarged drawing of one embodiment of the present of invention；
Fig. 7 is the reverse isometric cutaway view of centrifugation sorting equipment and the partial enlarged drawing of one embodiment of the present of invention；
Fig. 8 is the high-pressure air source position view involved by mechanism of one embodiment of the present of invention.
Wherein: feed arrangement 1, centrifugation sorting equipment 2, driving means 3, frame 4, gripper shoe 5, sub-sieve cylinder 21, centrifugal wheel
22nd, power transmission shaft 23, collecting bin 24, feed well 211, sub-sieve groove 212, holding tank 221, spacing back-up ring 222, pore 223, wheel hub
231st, bearing block 232, collection port 241, feeding warehouse 11, resilient fingers 12, delivery sheet 13, controllable register 14, reinforcing plate 15；
Ec- is provided with the region of high-pressure air source, ea-u shape support slot.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
Centrifugal bar screening mechanism, including feed arrangement 1, centrifugation sorting equipment 2, driving means 3 and frame 4, described
Centrifugation sorting equipment 2 is installed on described frame 4；
Described centrifugation sorting equipment 2 includes sub-sieve cylinder 21, centrifugal wheel 22, power transmission shaft 23 and collecting bin 24, described sub-sieve cylinder
21 axle center is provided with described power transmission shaft 23, and described centrifugal wheel 22 is coaxial with described sub-sieve cylinder 21 and is pacified by described power transmission shaft 23
It is loaded in described sub-sieve cylinder 21 and rotates around described power transmission shaft 23, the side face of described centrifugal wheel 22 is provided with multiple dentation bars and holds
Receive groove 221；
The both ends of the surface of described centrifugal wheel 22 are separately provided for preventing bar during sub-sieve from skidding off along generatrix direction
Spacing back-up ring 222, described spacing back-up ring 222 is provided with a series of circumferentially distributed pores 223, described pore 223 respectively with institute
The groove position stating holding tank 221 is corresponding；
The side face of described sub-sieve cylinder 21 offers feed well 211 and sub-sieve groove 212, and described sub-sieve groove 212 is in described sub-sieve
The side face of cylinder 21 forms a discharging opening and supporting surface, the surface of described supporting surface and described centrifugal wheel 22 and arbitrary described
Spacing back-up ring 222 forms a u shape support slot；
Described frame 4 is provided with high-pressure air source between the short top margin of described feed well 211 and described sub-sieve groove 212, institute
State high-pressure air source will separate in described holding tank 221 through described pore 223, and bar is blown cunning and be mutually butted on described u shape support
The groove bottom of groove, when certain is not when the length of sub-sieve bar is in the bearing length of described u shape support slot, this bar through described go out
Material mouth accordingly drops in described collecting bin 24；
Described feed arrangement 1 is arranged at the feed well 211 of described sub-sieve cylinder 21 by frame 4, and described driving means 3 drive
Described power transmission shaft 23 drives described centrifugal wheel 22 to rotate, and treats that the bar of sub-sieve realizes sub-sieve through described sub-sieve groove 212.
As shown in figure 1, forming a series of compartments, for separating continuous feed on sub-sieve cylinder 21 inwall and centrifugal wheel 22
Bar, power transmission shaft 23 is installed on frame 4 by bearing block 232, and centrifugal wheel 22 counterclockwise turns around the diagram of power transmission shaft 23
Dynamic.
As shown in figure 8, being provided with circumferentially distributed pore, set by 222 on fixing spacing back-up ring 222 on centrifugal wheel 22
The quantity putting pore 223 is equal to the bar holding tank 221 shown in Fig. 3, and the center of each groove position of pore 223.?
Bar enters the ec region between sub-sieve groove 212 through feed well 211 and is provided with a high-pressure air source, when pore on spacing back-up ring 222
Holding tank 221 corresponding to 223 when ec high-pressure air source region, will make in gases at high pressure by the bar in corresponding holding tank 221
With under slide to the back-up ring with u shape support slot the same side of sub-sieve cylinder 21, u shape support slot is used for ensureing that bar begins during sub-sieve
There is a common support side eventually, as shown in ea region in Fig. 6.Bar in the holding tank 221 on centrifugal wheel 22 surface is through sub-sieve cylinder
In 21 sub-sieve groove 212 region process, when one end of certain bar departs from eb edge shown in Fig. 6, this bar will be in centrifugal wheel 22
Centrifugal action under depart from and fall into lower section collecting bin 24 in.
The sub-sieve know-why of the present invention is: using the u shape support slot being arranged on sub-sieve cylinder 21, the length of bar is entered
Row sub-sieve, using high-pressure air source by still bar " blowing " to the same side it is ensured that the bar in all entrance sub-sieve groove 212 regions has
One end is located at public ea support edge as shown in Figure 6, when certain treats that the length of sub-sieve bar is not long in the support of described u shape support slot
When in degree, this bar accordingly drops in described collecting bin 24 through described discharging opening, and the bar being in this length range is carried out
Sub-sieve enters in collecting bin 24.
More excellent, described discharging opening is a right-angled trapezium along after the side face expansion of described sub-sieve cylinder 21, described right angle ladder
The diametral plane parallel to described sub-sieve cylinder 21 for the public vertical edges of shape and the setting of the inner side along arbitrary described spacing back-up ring 222, institute
The short top margin stating right-angled trapezium is the starting end of sub-sieve process, and the long base of described right-angled trapezium is the clearing end of sub-sieve process；
Described collecting bin 24 is provided with the collection port 241 of multigroup corresponding difference bar length of interval.
As shown in Fig. 2 feed well 211 and the sub-sieve groove 212 with right-angled trapezium discharging opening, u shape are had on sub-sieve cylinder 21
Support slot is used for ensureing that bar has a common support side during sub-sieve all the time, and the setting of right-angled trapezium discharging opening makes u shape
Support slot forms the groove position with certain bearing length change, can carry out sub-sieve to the interval bar of different length, in such as Fig. 6
Shown in ea region, the bar in the holding tank 221 on centrifugal wheel 22 surface in sub-sieve groove 212 region process of sub-sieve cylinder 21,
When one end of certain bar departs from eb edge shown in Fig. 6, this bar will depart under the centrifugal action of centrifugal wheel 22 and falls into
In the collecting bin 24 of lower section.As shown in fig. 7, collecting bin 24 is provided with multigroup collection port 241 of corresponding difference bar length of interval,
The bar meeting respective bins length will be carried out sub-sieve by sub-sieve to different collection ports 241, realizes different siding-to-siding block lengths
Bar sub-sieve.
More excellent, described feed arrangement 1 is included for controlling the feeding warehouse 11 of feedstock direction and being used for separating one by one bar
Resilient fingers 12, the discharging direction of the discharge end of described feeding warehouse 11 is provided with described resilient fingers 12.Bar is through feeding warehouse
11 toothed surfaces being spread out in centrifugal wheel 22, and separated one by one under the elastic compaction through resilient fingers 12 in centrifugal wheel 22 table
In each independent holding tank 221 in face, it is to avoid at feeding warehouse 11, the accumulation of multiple bars is it is ensured that centrifugal wheel 22 is in sub-sieve cylinder 21
Interior normal rotation, and improve the efficiency of sub-sieve.
More excellent, the discharge end of described feeding warehouse 11 is provided with the delivery sheet 13 for vibrating by a small margin and is used for above moving down
The dynamic controllable register 14 adjusting charging rate.Bar is sent into by feeding warehouse 11, and controllable register 14 can move up and down for adjusting
Charging rate, delivery sheet 13 vibrates by a small margin around rotary shaft under the effect of ancillary vibration motor, is equably sent to bar
The surface of centrifugal wheel 22.
More excellent, the gap value between the inwall of described sub-sieve cylinder 21 and the maximum gauge face of described centrifugal wheel 22 is less than to be treated
The minimum diameter value of sub-sieve bar.For ensureing the rod in the holding tank 221 being on centrifugal wheel 22 in centrifugation sort process
Material will not occur circumference to channel bit.
More excellent, the profile of tooth holding tank 221 on the surface of described centrifugal wheel 22 is made using flexible material.Using such as rubber etc.
Flexible material is made, and during reduction sub-sieve, the damage to bar, makes the present invention be applied to the sub-sieve of rod greengrocery.
More excellent, the aperture of described pore 223 is less than the minimum diameter treating sub-sieve bar, and described pore 223 is correspondingly arranged
Center in the groove position of described holding tank 221.Aperture is less than the minimum diameter treating sub-sieve bar, it is to avoid bar is sliding through pore 223
Go out, it is to avoid bar blocks pore 223 and cannot realize sub-sieve, affect follow-up sub-sieve quality.
More excellent, described driving means 3 adopt belt wheel transmission mode.Driving means 3 carry drive installation to exist by motor by v
The wheel hub 231 of power transmission shaft 23 moves, and drives the rotation of centrifugal wheel 22, realizes sub-sieve.
More excellent, described spacing back-up ring 222 and the integrated design of described centrifugal wheel 22.Integrated design simplifies structure, knot
Structure is more stable, and saves installation procedure.
More excellent, described feed arrangement 1 and described centrifugation sorting equipment 2 are installed on described frame 4 by gripper shoe 5.As
Shown in Fig. 1, by the installation of gripper shoe 5, the overall structure of mechanism is more firm, long service life.More excellent, described charging dress
Put 1 feed end being installed on described centrifugation sorting equipment 2 by reinforcing plate 15.Feed arrangement 1 is provided with reinforcing plate 15 and centrifugation
The feed end of sorting equipment 2 connects, it is to avoid feed arrangement 1 run-off the straight because feed weight is excessive when charging, it is to avoid
The direction of impact charging and speed.
Describe the know-why of the present invention above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel do not need to pay other specific embodiments that performing creative labour can associate the present invention, and these modes fall within
Within protection scope of the present invention.
Claims (10)
1. centrifugal bar screening mechanism, including feed arrangement, centrifugation sorting equipment, driving means and frame, described centrifugation divides
Pick device be installed on described frame it is characterised in that:
Described centrifugation sorting equipment includes sub-sieve cylinder, centrifugal wheel, power transmission shaft and collecting bin, and the axle center of described sub-sieve cylinder is arranged
State power transmission shaft, described centrifugal wheel and described sub-sieve cylinder coaxially and by described power transmission shaft are installed in described sub-sieve cylinder around described biography
Moving axis rotates, and the side face of described centrifugal wheel is provided with multiple dentation bar holding tanks；
The both ends of the surface of described centrifugal wheel are separately provided for preventing the limiting block that bar during sub-sieve skids off along generatrix direction
Circle, described spacing back-up ring is provided with a series of circumferentially distributed pores, and described pore is relative with the groove position of described holding tank respectively
Should；
The side face of described sub-sieve cylinder offers feed well and sub-sieve groove, and described sub-sieve groove forms one in the side face of described sub-sieve cylinder
Discharging opening and supporting surface, described supporting surface forms a u shape with the surface of described centrifugal wheel and arbitrary described limiting block circle
Support slot；
Described frame is provided with high-pressure air source between described feed well and described sub-sieve groove, and described high-pressure air source is through described pore
The bar separating in described holding tank is blown the groove bottom that cunning is mutually butted on and has described u shape support slot, when certain treats sub-sieve bar
Length not in the bearing length of described u shape support slot when, this bar accordingly drops into described collecting bin through described discharging opening
Interior；
Described feed arrangement is arranged at the feed well of described sub-sieve cylinder by frame, and described driving means drive described power transmission shaft band
Dynamic described centrifugal wheel rotates, and treats that the bar of sub-sieve realizes sub-sieve through described sub-sieve groove.
2. centrifugal bar screening mechanism according to claim 1 it is characterised in that: described discharging opening is along described sub-sieve cylinder
Side face launch after be a right-angled trapezium, the public vertical edges of described right-angled trapezium parallel to described sub-sieve cylinder diametral plane and
Along the inner side setting of arbitrary described spacing back-up ring, the short top margin of described right-angled trapezium is the starting end of sub-sieve process, described right angle
Trapezoidal long base is the clearing end of sub-sieve process；
Described collecting bin is provided with the collection port of multigroup corresponding difference bar length of interval.
3. centrifugal bar screening mechanism according to claim 1 it is characterised in that: described feed arrangement is included for controlling
The feeding warehouse of feedstock direction processed and the resilient fingers for separating bar one by one, the discharging direction of the discharge end of described feeding warehouse sets
It is equipped with described resilient fingers.
4. centrifugal bar screening mechanism according to claim 3 it is characterised in that: the discharge end of described feeding warehouse is installed
There is the delivery sheet for vibrating by a small margin and for moving up and down the controllable register adjusting charging rate.
5. centrifugal bar screening mechanism according to claim 1 it is characterised in that: the inwall of described sub-sieve cylinder with described
Gap value between the maximum gauge face of centrifugal wheel is less than the minimum diameter value treating sub-sieve bar.
6. centrifugal bar screening mechanism according to claim 1 it is characterised in that: the dentation on the surface of described centrifugal wheel
Bar holding tank is made using flexible material.
7. centrifugal bar screening mechanism according to claim 1 it is characterised in that: the aperture of described pore is less than and treats point
The minimum diameter of sieve bar, described pore is correspondingly arranged in the center of the groove position of described holding tank.
8. centrifugal bar screening mechanism according to claim 1 it is characterised in that: described driving means adopt belt wheel pass
Flowing mode.
9. centrifugal bar screening mechanism according to claim 1 it is characterised in that: described spacing back-up ring and described centrifugation
Wheel integrated design.
10. centrifugal bar screening mechanism according to claim 1 it is characterised in that: described feed arrangement and described from
Heart sorting equipment is installed on described frame by gripper shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312668.4A CN104889045B (en) | 2015-06-08 | 2015-06-08 | Centrifugal type bar material screening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312668.4A CN104889045B (en) | 2015-06-08 | 2015-06-08 | Centrifugal type bar material screening mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104889045A CN104889045A (en) | 2015-09-09 |
| CN104889045B true CN104889045B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510312668.4A Expired - Fee Related CN104889045B (en) | 2015-06-08 | 2015-06-08 | Centrifugal type bar material screening mechanism |
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| CN (1) | CN104889045B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107774865B (en) * | 2016-08-25 | 2024-05-07 | 扬州五新时峰智能科技有限公司 | Automatic feeding system with heating function for hot forging equipment |
| CN107185687B (en) * | 2017-06-05 | 2019-01-29 | 广东湛江吉民药业股份有限公司 | It is a kind of for removing the equipment and its minimizing technology of hard impurity inside medicinal material |
| CN116159732B (en) * | 2023-04-21 | 2023-07-07 | 淮安市农业机械试验鉴定推广站 | Screening device for asparagus processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB201106279D0 (en) * | 2011-04-14 | 2011-05-25 | Collins Craig | "Creasing accessory and method of providing a crease in a substrate" |
| CN203540877U (en) * | 2013-07-25 | 2014-04-16 | 安徽玉龙新型建材有限公司 | Centrifugal screen charging barrel for material screening device |
| CN103934191B (en) * | 2014-03-11 | 2015-09-30 | 哈尔滨工程大学 | For the double acting screening plant that different building stones are separated |
| CN204685459U (en) * | 2015-06-08 | 2015-10-07 | 广东工业大学 | Centrifugal bar screening mechanism |
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| CN104889045A (en) | 2015-09-09 |
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