CN104889045A - Centrifugal type bar material screening mechanism - Google Patents

Centrifugal type bar material screening mechanism Download PDF

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Publication number
CN104889045A
CN104889045A CN201510312668.4A CN201510312668A CN104889045A CN 104889045 A CN104889045 A CN 104889045A CN 201510312668 A CN201510312668 A CN 201510312668A CN 104889045 A CN104889045 A CN 104889045A
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CN
China
Prior art keywords
centrifugal
bar
sub
sieve
screen drum
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Granted
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CN201510312668.4A
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Chinese (zh)
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CN104889045B (en
Inventor
杨志军
白有盾
刘浩文
蔡铁根
黄宇涵
陈新
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Guangdong University of Technology
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Guangdong University of Technology
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Publication of CN104889045A publication Critical patent/CN104889045A/en
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Publication of CN104889045B publication Critical patent/CN104889045B/en
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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
    • 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

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

Centrifugal bar screening mechanism
Technical field
The present invention relates to material sieving technology field, particularly relate 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.Length for elongated bar stock divides sieve problem, is particularly similar to the bar length point sieve problem of the insufficient rigidity such as leek bar, not yet finds that there is good solution in the prior art.
Summary of the invention
The object of the invention is to propose a kind of new and effective centrifugal bar screening mechanism, be used for the bar of sub-sieve different length, be directed to the length sub-sieve of some bar-shaped greengroceries especially.
For reaching this object, the present invention by the following technical solutions:
Centrifugal bar screening mechanism, comprises feed arrangement, centrifugal sorting equipment, drive unit and frame, and described centrifugal sorting equipment is installed on described frame;
Described centrifugal sorting equipment comprises a point screen drum, centrifugal wheel, power transmission shaft and collecting bin, the axle center of described point of screen drum is provided with described power transmission shaft, described centrifugal wheel is coaxial and be installed in described point screen drum by described power transmission shaft and rotate around described power transmission shaft with described point of screen drum, the side face of described centrifugal wheel is provided with multiple dentation bar holding tank;
The both ends of the surface of described centrifugal wheel are respectively arranged with for preventing the spacing back-up ring that in sub-sieve process, bar skids off along generatrix direction, and described spacing back-up ring is provided with the pore of a series of circumference distribution, and described pore is corresponding with the slot of described holding tank respectively;
The side face of described point of screen drum offers feed well and sub-sieve groove, and described sub-sieve groove forms a discharging opening and supporting surface at the side face of described point of screen drum, and surface and arbitrary described limiting block circle of described supporting surface and described centrifugal wheel form a U-shaped support slot;
Described frame is provided with high-pressure air source between described feed well and described sub-sieve groove, described high-pressure air source will be divided through described pore and will be interposed between in described holding tank, and bar is blown the sliding groove bottom being butted on described U-shaped support slot mutually, when certain length until sub-sieve bar is not in the bearing length of described U-shaped support slot, this bar drops in described collecting bin through described discharging opening is corresponding;
Described feed arrangement is placed in the feed well of described point screen drum by erecting, and described drive unit drives described power transmission shaft to drive 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 after the side face expansion of described point of screen drum, the public vertical edges of described right-angled trapezium is parallel to the described point diametral plane of screen drum and the inner side along arbitrary described spacing back-up ring is arranged, the short top margin of described 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 is provided with the collection mouth of the corresponding different bar length of interval of many groups.
More excellent, described feed arrangement comprises feeding warehouse for controlling feedstock direction and the resilient fingers for being separated bar one by one, and 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 the controllable register for moving up and down adjustment charging rate.
More excellent, the gap value between the inwall of described point of screen drum and the maximum gauge face of described centrifugal wheel is less than the minimum diameter value treating sub-sieve bar.
More excellent, the profile of tooth holding tank on the surface of described centrifugal wheel adopts flexible material to make.
More excellent, the aperture of described pore is less than the minimum diameter treating sub-sieve bar, and described pore correspondence is arranged at the center of the slot of described holding tank.
More excellent, described drive unit adopts belt wheel transmission mode.
More excellent, described spacing back-up ring and described centrifugal wheel integrated design.
More excellent, described feed arrangement and described centrifugal sorting equipment are installed on described frame by gripper shoe.
Beneficial effect of the present invention: 1, realize sieving the bar of different length; 2, divide screen capacity high, be suitable for the length sub-sieve of bar in enormous quantities at a high speed; 3, the damage that reduces to bar in sub-sieve process of the profile of tooth holding tank design of centrifugal wheel.
Accompanying drawing explanation
Fig. 1 is the whole mechanism structural representation 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 is axle side cross-sectional view and its partial enlarged drawing of the centrifugal sorting equipment of one embodiment of the present of invention;
Fig. 5 is the cross-sectional view of the centrifugal sorting equipment of one embodiment of the present of invention;
Fig. 6 is reverse isometric cutaway view and the partial enlarged drawing of the centrifugal sorting equipment of one embodiment of the present of invention;
Fig. 7 is reverse isometric cutaway view and the partial enlarged drawing of the centrifugal sorting equipment of one embodiment of the present of invention;
Fig. 8 be one embodiment of the present of invention mechanism involved by high-pressure air source position view.
Wherein: feed arrangement 1, centrifugal sorting equipment 2, drive unit 3, frame 4, gripper shoe 5, point screen drum 21, centrifugal wheel 22, 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 231, bearing block 232, collection mouth 241, feeding warehouse 11, resilient fingers 12, delivery sheet 13, controllable register 14, stiffener 15;
EC-is provided with region, the EA-U shape support slot of high-pressure air source.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Centrifugal bar screening mechanism, comprises feed arrangement 1, centrifugal sorting equipment 2, drive unit 3 and frame 4, and described centrifugal sorting equipment 2 is installed on described frame 4;
Described centrifugal sorting equipment 2 comprises point screen drum 21, centrifugal wheel 22, power transmission shaft 23 and collecting bin 24, the axle center of described point of screen drum 21 is provided with described power transmission shaft 23, described centrifugal wheel 22 is coaxial and be installed in described point screen drum 21 by described power transmission shaft 23 and rotate around described power transmission shaft 23 with described point of screen drum 21, the side face of described centrifugal wheel 22 is provided with multiple dentation bar holding tank 221;
The both ends of the surface of described centrifugal wheel 22 are respectively arranged with for preventing the spacing back-up ring 222 that in sub-sieve process, bar skids off along generatrix direction, described spacing back-up ring 222 is provided with the pore 223 of a series of circumference distribution, and described pore 223 is corresponding with the slot of described holding tank 221 respectively;
The side face of described point of screen drum 21 offers feed well 211 and sub-sieve groove 212, described sub-sieve groove 212 forms a discharging opening and supporting surface at the side face of described point of screen drum 21, and surface and arbitrary described spacing back-up ring 222 of described supporting surface and described centrifugal wheel 22 form a U-shaped support slot;
Described frame 4 is provided with high-pressure air source between described feed well 211 and the short top margin of described sub-sieve groove 212, described high-pressure air source will be divided through described pore 223 and will be interposed between in described holding tank 221, and bar is blown the sliding groove bottom being butted on described U-shaped support slot mutually, when certain length until sub-sieve bar is not in the bearing length of described U-shaped support slot, this bar drops in described collecting bin 24 through described discharging opening is corresponding;
Described feed arrangement 1 is arranged at the feed well 211 of described point screen drum 21 by frame 4, and described drive unit 3 drives described power transmission shaft 23 to drive 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, point screen drum 21 inwall and centrifugal wheel 22 form a series of compartment, and for separating the bar of continuous feed, power transmission shaft 23 is installed on frame 4 by bearing block 232, and centrifugal wheel 22 counterclockwise rotates around the diagram of power transmission shaft 23.
As shown in Figure 8, spacing back-up ring 222 fixing on centrifugal wheel 22 is provided with the pore of circumference distribution, the quantity of pore 223 set by 222 is equal to the bar holding tank 221 shown in Fig. 3, and the center of each slot of pore 223.The EC region entered between sub-sieve groove 212 through feed well 211 at bar is provided with a high-pressure air source, when the holding tank 221 on spacing back-up ring 222 corresponding to pore 223 is through EC high-pressure air source region, bar in corresponding holding tank 221 by under gases at high pressure effect, slide to sub-sieve cylinder 21 with the back-up ring of U-shaped support slot the same side, U-shaped support slot is for ensureing that bar has a common support limit all the time in sub-sieve process, as shown in EA region in Fig. 6.Bar in the holding tank 221 on centrifugal wheel 22 surface is in sub-sieve groove 212 region process of point screen drum 21, and when one end of certain bar departs from the edge of EB shown in Fig. 6, this bar will depart from and falls in the collecting bin 24 of below under the centrifugal action of centrifugal wheel 22.
Sub-sieve know-why of the present invention is: utilize the U-shaped support slot be arranged on point screen drum 21 to carry out sub-sieve to the length of bar, high-pressure air source is utilized still " to blow " to the same side by bar, ensure that all bars entering sub-sieve groove 212 region have one end to be positioned at public EA support edge as shown in Figure 6, when certain length until sub-sieve bar is not in the bearing length of described U-shaped support slot, this bar drops in described collecting bin 24 through described discharging opening is corresponding, is carried out by the bar being in this length range point being sieved in collecting bin 24.
More excellent, described discharging opening is a right-angled trapezium after the side face expansion of described point of screen drum 21, the public vertical edges of described right-angled trapezium is parallel to the described point diametral plane of screen drum 21 and the inner side along arbitrary described spacing back-up ring 222 is arranged, the short top margin of described 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 mouth 241 of the corresponding different bar length of interval of many groups.
As shown in Figure 2, divide on screen drum 21 and have feed well 211 and the sub-sieve groove 212 with right-angled trapezium discharging opening, U-shaped support slot is for ensureing that bar has a common support limit all the time in sub-sieve process, and the setting of right-angled trapezium discharging opening makes U-shaped support slot form the slot with the change of certain bearing length, sub-sieve can be carried out to the bar in different length interval, as shown in EA region in Fig. 6, bar in the holding tank 221 on centrifugal wheel 22 surface is in sub-sieve groove 212 region process of point screen drum 21, when one end of certain bar departs from the edge of EB shown in Fig. 6, this bar will depart from and falls in the collecting bin 24 of below under the centrifugal action of centrifugal wheel 22.As shown in Figure 7, collecting bin 24 is provided with many groups of corresponding different bar length of interval and collects mouths 241, and the bar meeting respective bins length is carried out sub-sieve by point being sieved to different collection mouths 241, realizes the bar sub-sieve of different siding-to-siding block lengths.
More excellent, described feed arrangement 1 comprises feeding warehouse 11 for controlling feedstock direction and the resilient fingers 12 for being separated bar one by one, and the discharging direction of the discharge end of described feeding warehouse 11 is provided with described resilient fingers 12.Bar is spread out in the toothed surfaces of centrifugal wheel 22 through feeding warehouse 11, and under the elastic compaction of resilient fingers 12 by divide one by one be interposed between centrifugal wheel 22 surface each independently in holding tank 221, avoid the accumulation of the multiple bar in feeding warehouse 11 place, guarantee the normal rotation of centrifugal wheel 22 in point screen drum 21, 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 the controllable register 14 for moving up and down adjustment charging rate.Bar is sent into by feeding warehouse 11, and controllable register 14 can move up and down for regulating charging rate, and delivery sheet 13 vibrates by a small margin around rotating shaft under the effect of ancillary vibration motor, the surface of the centrifugal wheel 22 be sent to by bar equably.
More excellent, the gap value between the inwall of described point of screen drum 21 and the maximum gauge face of described centrifugal wheel 22 is less than the minimum diameter value treating sub-sieve bar.For ensureing that the bar be in centrifugal sort process in the holding tank 221 on centrifugal wheel 22 circumference can not occur and channels bit.
More excellent, the profile of tooth holding tank 221 on the surface of described centrifugal wheel 22 adopts flexible material to make.Adopt as the flexible materials such as rubber are made, reduce the damage to bar in sub-sieve process, make the present invention be applicable to the sub-sieve of clavate greengrocery.
More excellent, the aperture of described pore 223 is less than the minimum diameter treating sub-sieve bar, and described pore 223 correspondence is arranged at the center of the slot of described holding tank 221.Aperture is less than the minimum diameter treating sub-sieve bar, avoids bar to skid off through pore 223, avoids bar block pore 223 and cannot realize sub-sieve, affects follow-up sub-sieve quality.
More excellent, described drive unit 3 adopts belt wheel transmission mode.Drive unit 3 is with drive installation to move at the wheel hub 231 of power transmission shaft 23 by motor by V, 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, and structure is more stable, and saves installation procedure.
More excellent, described feed arrangement 1 and described centrifugal sorting equipment 2 are installed on described frame 4 by gripper shoe 5.As shown in Figure 1, by the installation of gripper shoe 5, the overall structure of mechanism is more firm, long service life.More excellent, described feed arrangement 1 is installed on the feed end of described centrifugal sorting equipment 2 by stiffener 15.Feed arrangement 1 is provided with stiffener 15 and is connected with the feed end of centrifugal sorting equipment 2, avoids feed arrangement 1 run-off the straight because feed weight is excessive when charging, avoids the direction and the speed that affect charging.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.

Claims (10)

1. centrifugal bar screening mechanism, comprises feed arrangement, centrifugal sorting equipment, drive unit and frame, and described centrifugal sorting equipment is installed on described frame, it is characterized in that:
Described centrifugal sorting equipment comprises a point screen drum, centrifugal wheel, power transmission shaft and collecting bin, the axle center of described point of screen drum is provided with described power transmission shaft, described centrifugal wheel is coaxial and be installed in described point screen drum by described power transmission shaft and rotate around described power transmission shaft with described point of screen drum, the side face of described centrifugal wheel is provided with multiple dentation bar holding tank;
The both ends of the surface of described centrifugal wheel are respectively arranged with for preventing the spacing back-up ring that in sub-sieve process, bar skids off along generatrix direction, and described spacing back-up ring is provided with the pore of a series of circumference distribution, and described pore is corresponding with the slot of described holding tank respectively;
The side face of described point of screen drum offers feed well and sub-sieve groove, and described sub-sieve groove forms a discharging opening and supporting surface at the side face of described point of screen drum, and surface and arbitrary described limiting block circle of described supporting surface and described centrifugal wheel form a U-shaped support slot;
Described frame is provided with high-pressure air source between described feed well and described sub-sieve groove, described high-pressure air source will be divided through described pore and will be interposed between in described holding tank, and bar is blown the sliding groove bottom being butted on described U-shaped support slot mutually, when certain length until sub-sieve bar is not in the bearing length of described U-shaped support slot, this bar drops in described collecting bin through described discharging opening is corresponding;
Described feed arrangement is placed in the feed well of described point screen drum by erecting, and described drive unit drives described power transmission shaft to drive described centrifugal wheel to rotate, 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 characterized in that: described discharging opening is a right-angled trapezium after the side face expansion of described point of screen drum, the public vertical edges of described right-angled trapezium is parallel to the described point diametral plane of screen drum and the inner side along arbitrary described spacing back-up ring is arranged, the short top margin of described 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 is provided with the collection mouth of the corresponding different bar length of interval of many groups.
3. centrifugal bar screening mechanism according to claim 1, it is characterized in that: described feed arrangement comprises feeding warehouse for controlling feedstock direction and the resilient fingers for being separated bar one by one, and the discharging direction of the discharge end of described feeding warehouse is provided with described resilient fingers.
4. centrifugal bar screening mechanism according to claim 3, is characterized in that: the discharge end of described feeding warehouse is provided with the delivery sheet for vibrating by a small margin and the controllable register for moving up and down adjustment charging rate.
5. centrifugal bar screening mechanism according to claim 1, is characterized in that: the gap value between the inwall of described point of screen drum and the maximum gauge face of described centrifugal wheel is less than the minimum diameter value treating sub-sieve bar.
6. centrifugal bar screening mechanism according to claim 1, is characterized in that: the profile of tooth holding tank on the surface of described centrifugal wheel adopts flexible material to make.
7. centrifugal bar screening mechanism according to claim 1, is characterized in that: the aperture of described pore is less than the minimum diameter treating sub-sieve bar, and described pore correspondence is arranged at the center of the slot of described holding tank.
8. centrifugal bar screening mechanism according to claim 1, is characterized in that: described drive unit adopts belt wheel transmission mode.
9. centrifugal bar screening mechanism according to claim 1, is characterized in that: described spacing back-up ring and described centrifugal wheel integrated design.
10. centrifugal bar screening mechanism according to claim 1, is characterized in that: described feed arrangement and described centrifugal sorting equipment are installed on described frame by gripper shoe.
CN201510312668.4A 2015-06-08 2015-06-08 Centrifugal type bar material screening mechanism Active CN104889045B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107185687A (en) * 2017-06-05 2017-09-22 郑素珍 It is a kind of to be used to remove the equipment and its minimizing technology of hard impurity inside medicinal material
CN107774865A (en) * 2016-08-25 2018-03-09 扬州启拓智能科技有限公司 A kind of automatic feed system for possessing heating function for hot forging equipment
CN116159732A (en) * 2023-04-21 2023-05-26 淮安市农业机械试验鉴定推广站 Screening device for asparagus processing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103934191A (en) * 2014-03-11 2014-07-23 哈尔滨工程大学 Double-acting screening device used for separating different stones
EP2697053B1 (en) * 2011-04-14 2015-01-14 Guillo-Crease Ltd Creasing accessory and method of providing a crease in a substrate
CN204685459U (en) * 2015-06-08 2015-10-07 广东工业大学 Centrifugal bar screening mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2697053B1 (en) * 2011-04-14 2015-01-14 Guillo-Crease Ltd 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
CN103934191A (en) * 2014-03-11 2014-07-23 哈尔滨工程大学 Double-acting screening device used for separating different stones
CN204685459U (en) * 2015-06-08 2015-10-07 广东工业大学 Centrifugal bar screening mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107774865A (en) * 2016-08-25 2018-03-09 扬州启拓智能科技有限公司 A kind of automatic feed system for possessing heating function for hot forging equipment
CN107185687A (en) * 2017-06-05 2017-09-22 郑素珍 It is a kind of to be used to remove the equipment and its minimizing technology of hard impurity inside medicinal material
CN116159732A (en) * 2023-04-21 2023-05-26 淮安市农业机械试验鉴定推广站 Screening device for asparagus processing

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