CN109046987B - Workpiece conveying and screening device - Google Patents

Workpiece conveying and screening device Download PDF

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Publication number
CN109046987B
CN109046987B CN201810844432.9A CN201810844432A CN109046987B CN 109046987 B CN109046987 B CN 109046987B CN 201810844432 A CN201810844432 A CN 201810844432A CN 109046987 B CN109046987 B CN 109046987B
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China
Prior art keywords
screening
air
plate
collecting box
hole
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CN201810844432.9A
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Chinese (zh)
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CN109046987A (en
Inventor
詹华山
李涛
黄诗鸿
张小恒
曾雨琳
袁苗达
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Hunan Maikong Electric Co ltd
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Chongqing Industry Polytechnic College
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Priority to CN201810844432.9A priority Critical patent/CN109046987B/en
Publication of CN109046987A publication Critical patent/CN109046987A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B13/00Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/04Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
    • B07B13/07Apparatus in which aggregates or articles are moved along or past openings which increase in size in the direction of movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B13/00Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/14Details or accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B13/00Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/14Details or accessories
    • B07B13/16Feed or discharge arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities

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  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention relates to the field of sorting equipment, in particular to workpiece conveying and screening equipment, which comprises a rack, a conveyor belt, a screening plate, a collecting box and a rotating shaft, wherein the conveyor belt is arranged on the rack; the screening plate is provided with a plurality of screening grooves, a movable plate is hinged to the notch of each screening groove, a first through hole is formed in the wall of each screening groove and is located below the movable plate, the rotating shaft is rotatably connected with the rack, a first channel is arranged inside the rotating shaft, an air bag is sleeved in the middle of the rotating shaft and is hermetically connected with the surface of the rotating shaft, a supporting rod is mounted on the surface of the air bag, a second through hole is formed inside the air bag, a hose is hinged to the tail end of the first channel and is fixedly connected with the first through hole in the screening plate, an air passage is mounted below the collecting box, and an air pipe is connected between the air passage and the collecting box; the workpiece conveying and screening device provided by the invention can prevent the roller shafts with the same length and different diameters from blocking a screening channel in the screening process, and can remove residues attached to the roller shafts.

Description

Workpiece conveying and screening device
Technical Field
The invention relates to the field of sorting equipment, in particular to workpiece conveying and screening equipment.
Background
The roll shaft is a cylindrical part capable of rolling on a machine, and is firstly formed by high-temperature cooling in the production and processing process, then the surface of the roll shaft is polished, and finally the polished roll shafts with different specifications are respectively packaged; however need sieve the not equidimension roller of same length before the packing, be convenient for pack better, because before the screening, the roller has just been polished and is accomplished, the surface of the in-process roller that conveys the screening still can have the residue such as the piece that leaves after polishing, influence the efficiency of screening, and the diameter at the in-process roller that conveys the screening differs very little, the slightly little passageway of screening diameter can be given to stopping up to the slightly little roller of diameter, lead to screening plant to be forced to stop, need the manual work to handle the back and just can continue to sieve, make the screening speed to the roller slow, influence work efficiency.
Disclosure of Invention
The invention provides a workpiece conveying and screening device which can prevent roller shafts with the same length but different diameters from blocking a screening channel in the conveying and screening process and can remove residues attached to the roller shafts.
In order to achieve the purpose, the invention adopts the following technical scheme: the workpiece conveying and screening device comprises a rack, a conveyor belt arranged on the rack, an inclined screening plate, a collecting box positioned below the screening plate and a plurality of rotating shafts positioned between the screening plate and the collecting box; the screening board is located the output of conveyer belt, screening board and frame fixed connection, be equipped with a plurality of screening grooves on the screening board, it is a plurality of the notch size in screening groove from the top down increases in proper order on the screening board, the notch department in screening groove articulates there is the fly leaf, has seted up first through-hole on the cell wall in screening groove, and first through-hole is located the below of fly leaf.
The rotary shaft is rotatably connected with the rack, a first channel is arranged in the rotary shaft, an air bag is sleeved in the middle of the rotary shaft, the air bag is hermetically connected with the surface of the rotary shaft, a supporting rod used for enabling the movable plate to rotate is arranged on the surface of the air bag, a second through hole communicated with the first channel of the rotary shaft is arranged in the air bag, a hose is hinged to the tail end of the first channel, and the hose is fixedly connected with the first through hole in the screening plate; an air passage is arranged below the collecting box, and an air pipe is connected between the air passage and the collecting box.
By adopting the technical scheme, the roller shafts with different diameters are conveyed to the screening plate by the conveyor belt to be screened, the roller shafts with the diameters the same as the sizes of the notches of the screening grooves can fall into the corresponding screening grooves, the roller shafts sliding into the screening grooves can enter the collecting box to be collected, before the roller shafts fall into the collecting box, the air flow enters the air passages and is discharged through the air pipes communicated with the air passages, the discharged air flow blows the roller shafts just falling into the screening grooves, so that residues attached to the surfaces of the roller shafts are separated from the roller shafts, the residues attached to the surfaces of the roller shafts are cleaned, however, when the screening plate screens the roller shafts, the roller shafts with larger diameters can block the notches of the small screening grooves, at the moment, the air flow blown out by the air pipes enters the first through holes, the air flow enters the hoses through the first through the first through holes and then enters the passages of the rotating shafts through the hoses, and finally enters the air bags arranged on the surfaces in the middle parts of the rotating shafts, when the airbag expands and increases, the supporting rod connected with the outer wall of the airbag also extends, the supporting rod supports the movable plate to rotate, the movable plate is supported by the upward supporting force of the supporting rod, so that the roller shaft clamped at the notch is supported by the upward supporting force to be separated from the screening grooves, the roller shaft separated from the screening grooves continuously rolls downwards, and other screening grooves screen the roller shaft again until the roller shaft falls into the corresponding screening grooves; after the roller is propped open, the air current continues to be discharged from the notch of the screening groove, the air current in the hose is driven to be discharged outwards through the moving air current in the screening groove, so that the air bag is reduced, the supporting rod on the air bag is recovered, and the movable plate is restored to the original state.
The beneficial effect that this scheme produced is: 1. through the air current that flows in the screening case, blow to the roller that has just fallen into the screening inslot on the screening case for the residue on the roller breaks away from the roller, reaches the clearance to the roller surface.
2. The notch department in screening groove sets up the fly leaf, through the rotation axis that sets up in the middle of screening board and the collecting box, there is the gasbag of installation branch in the middle of the rotation axis, when the notch in screening groove is stopped up by the roller, the air current enters into in the epaxial gasbag of rotation through the hose, make the gasbag inflation, the gasbag inflation drives the strut and produces the holding power to the fly leaf, thereby make the roller of stifled in screening groove notch department propped open, realize the notch in screening groove not stopped up the problem that the roller was stopped up.
Further, the rack-mounted has the support frame, install on the support frame at the both ends of rotation axis, the both ends fixedly connected with flabellum of rotation axis, install on the support frame and make flabellum pivoted air cock, the inside of support frame is equipped with the second passageway, link up through the second passageway between air cock and the air flue.
The air current in the air flue is through blowout in the second passageway follow air cock, and the impact force that spun air current produced makes the flabellum rotate, and the flabellum drives the rotation axis anticlockwise rotation, and the rotation axis is when rotatory, drives branch on the gasbag and rotates, and the effort that branch produced at the rotation in-process drives the fly leaf and produces the displacement for get into the roller shake of screening inslot, make the epaxial residue of roller clear up better.
Further, a negative pressure chamber is installed at the top of the screening plate, and a negative pressure fan is installed in the negative pressure chamber.
The negative pressure fan drives the residues to enter the negative pressure chamber, and the residues can be concentrated in the negative pressure chamber.
Further, a storage box is arranged below the negative pressure fan.
The storage box can prevent the residue from entering the negative pressure fan, reduce the influence of the residue on the negative pressure fan when the negative pressure fan works,
further, a buffer pad is installed at the bottom of the collecting box and comprises a spring pad, a sponge pad and a rubber pad.
The blotter can play the cushioning effect to the roller that falls into in the collecting box, prevents the damage when the roller falls into.
Drawings
FIG. 1 is a cross-sectional view of a workpiece transport screening apparatus of the present invention;
FIG. 2 is a top view of a screen plate in the workpiece transport screening apparatus of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a partially enlarged view of fig. 1 at B.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a rack 1, a conveyor belt 2, a roller shaft 3, a screening plate 4, an air flue 5, a movable plate 6, a rotating shaft 7, a support rod 8, an elastic air bag 9, a hose 10, fan blades 11, a first channel 12, an air nozzle 13, a second channel 14, a negative pressure fan 15, a negative pressure chamber 16, an air pipe 17 and a screening groove 18.
As shown in fig. 1 and 2, the workpiece conveying and screening device comprises a frame 1, a conveyor belt 2 arranged on the frame 1 and a screening plate 4 obliquely arranged at the left end of the conveyor belt 2; screening board 4 and frame 1 fixed connection, be equipped with three screening groove 18 on the screening board 4, the opening size from the top down of three screening groove 18 increases in proper order, the right side below of screening groove 18 notch articulates there is fly leaf 6, fly leaf 6 and the cell wall laminating of screening groove 18 right side below, first through-hole has been seted up on the screening groove 18 cell wall at the fly leaf 6 back, the collecting box is installed to every screening groove 18 below, as shown in fig. 4, air flue 5 is installed to the collecting box below, be connected with trachea 17 between air flue 5 and the collecting box, negative pressure chamber 16 is installed at the top of screening board 4, install negative-pressure air fan 15 in the negative pressure chamber 16, negative-pressure air fan 15's below is provided with the bin.
As shown in fig. 3, a rotating shaft 7 is connected to the lower right side of each screening slot 18, the rotating shaft 7 is rotatably connected to the frame 1, a first channel 12 is arranged inside the rotating shaft 7, an elastic airbag 9 is coaxially and fixedly connected to the middle of the rotating shaft 7, the elastic airbag 9 is hermetically connected to the surface of the rotating shaft 7, a supporting rod 8 for rotating the movable plate 6 is mounted on the surface of the elastic airbag 9, a second through hole communicated with the first channel 12 in the rotating shaft 7 is arranged inside the elastic airbag 9, the second through hole is located in the middle of the rotating shaft 7, a hose 10 is hinged to the end of the first channel 12, and the hose 10 is fixedly connected to the first through hole in the screening plate 4; two ends of the rotating shaft 7 are fixedly connected with four fan blades 11, a second channel 14 communicated with the air passage 5 is arranged inside the supporting frame, the tail end of the second channel 14 close to the rotating shaft 7 is fixedly connected with an air nozzle 13, and the opening of the air nozzle 13 is aligned with the fan blades 11.
The specific implementation process is as follows: the roll shafts 3 with the same length and different diameters are sequentially placed on a conveyor belt 2 to be conveyed, the roll shafts 3 are conveyed to a screening plate 4 positioned on the left side of the conveyor belt 2 through the conveyor belt 2 to be screened, the roll shafts 3 are screened through the different opening widths of three screening grooves 18 on the screening plate 4, the sizes of openings of the three screening grooves 18 from top to bottom on the screening plate 4 are sequentially increased, the roll shafts 3 according with the sizes of the openings of the screening grooves 18 fall into the screening grooves 18, and finally the roll shafts fall into a collecting box provided with a spring pad to be collected; through the air flue 5 that sets up below screening groove 18, the air current gets into in the air flue 5, through the trachea 17 that sets up between air flue 5 and the collecting box, the air current is discharged in the cavity of screening groove 18 from trachea 17, the combustion gas flow is blown the roller 3 that just falls into screening groove 18, make the subsidiary residue in roller 3 surface separate from roller 3, meanwhile, negative-pressure air fan 15 inhales the residue of separation in the storage tank in negative-pressure chamber 16, thereby it screens to the different roller 3 of footpath to have realized through the different screening groove 18 of screening board 4 upper shed, in the screening, can clear up the residue that attaches on roller 3 surface.
When the roller 3 of the major diameter point passes through the screening groove 18 that is slightly small, the roller 3 can be blocked at the notch of the screening groove 18, at this moment, the roller 3 can block up the opening of the small screening groove 18, the airflow blown out by the air pipe 17 enters into the first through hole on the groove wall of the screening groove 18, enter into the hose 10 connected with the first through hole through the first through hole, enter into the first channel 12 of the rotating shaft 7 through the hose 10, the airflow enters into the elastic airbag 9 installed on the surface in the middle of the rotating shaft 7 through the first channel 12 and the second through hole, and the elastic airbag 9 is inflated.
When the elastic air bag 9 expands, the elastic air bag 9 is enlarged, the supporting rod 8 connected with the outer wall of the elastic air bag 9 is extended, and the movable plate 6 at the notch of the screening groove 18 is jacked up by the supporting rod 8; meanwhile, the air flow in the air passage 5 is ejected from the air nozzle 13 through the second passage 14, the impact force generated by the ejected air flow enables the fan blades 11 to rotate, the fan blades 11 drive the rotating shaft 7 to rotate anticlockwise, the rotating shaft 7 drives the supporting rod 8 on the elastic air bag 9 to rotate when rotating, the movable plate 6 receives upward supporting force of the supporting rod 8, the movable plate 6 transmits the supporting force to the roller shaft 3, the roller shaft 3 clamped at the groove opening receives the upward supporting force, the roller shaft is separated from the screening groove 18 smaller than the diameter of the roller shaft, and the roller shaft 3 separated from the screening groove 18 is screened again under the influence of gravity until falling into the corresponding screening groove 18.
After being propped up by the roller 3 of card in screening groove 18 notch department, the air current continues to discharge from the notch department of screening groove 18, the air current through quick motion in the screening groove 18 makes the junction of hose 10 and screening groove 18 produce the negative pressure, thereby the air current in the screening groove 18 drives the outside discharge of gas in the hose 10, make elasticity gasbag 9 reduce, branch 8 is along with reducing of elasticity gasbag 9 and toward retrieving gradually, rotation axis 7 still keeps rotating, it makes fly leaf 6 produce intermittent reciprocating motion to drive branch 8, make the roller 3 shake that gets into in the screening groove 18, be convenient for the residue on the roller 3 clear away.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (3)

1. Work piece conveying screening equipment includes the frame, installs the conveyer belt in the frame, its characterized in that: the screening device also comprises an inclined screening plate, a collecting box positioned below the screening plate and a plurality of rotating shafts positioned between the screening plate and the collecting box;
the screening plate is positioned at the output end of the conveyor belt and is fixedly connected with the rack, a plurality of screening grooves are formed in the screening plate, the sizes of the notches of the screening grooves are sequentially increased on the screening plate from top to bottom, a movable plate is hinged to the notch of each screening groove, a first through hole is formed in the wall of each screening groove, and the first through hole is positioned below the movable plate;
the rotary shaft is rotatably connected with the rack, a first channel is arranged in the rotary shaft, an air bag is sleeved in the middle of the rotary shaft, the air bag is hermetically connected with the surface of the rotary shaft, a supporting rod used for enabling the movable plate to rotate is arranged on the surface of the air bag, a second through hole communicated with the first channel of the rotary shaft is arranged in the air bag, a hose is hinged to the tail end of the first channel, and the hose is fixedly connected with the first through hole in the screening plate;
an air passage is arranged below the collecting box, and an air pipe is connected between the air passage and the collecting box; the frame mounting has the support frame, install on the support frame at the both ends of rotation axis, the both ends fixedly connected with flabellum of rotation axis, install on the support frame and make flabellum pivoted air cock, the inside of support frame is equipped with the second passageway, link up through the second passageway between air cock and the air flue.
2. The workpiece transport screening apparatus of claim 1, wherein: the top of screening board is installed the negative pressure room, installs negative-pressure air fan in the negative pressure room.
3. The workpiece transport screening apparatus of claim 2, wherein: and a storage box is arranged below the negative pressure fan.
CN201810844432.9A 2018-07-27 2018-07-27 Workpiece conveying and screening device Active CN109046987B (en)

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Application Number Priority Date Filing Date Title
CN201810844432.9A CN109046987B (en) 2018-07-27 2018-07-27 Workpiece conveying and screening device

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CN109046987A CN109046987A (en) 2018-12-21
CN109046987B true CN109046987B (en) 2021-07-20

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CN109772675A (en) * 2019-03-25 2019-05-21 河南科技大学 Sorting unit and its sorting roller
CN110576013B (en) * 2019-09-19 2020-07-17 品粹新材料科技(南京)有限公司 Laboratory is with clean drying-machine of test tube
CN113663918B (en) * 2019-12-02 2023-03-31 江苏科森医疗器械有限公司 Conveying device for micro part machining
CN113058835B (en) * 2021-04-06 2022-05-17 安徽中微微元生物科技有限公司 Multistage screening system of probiotic capsule production preparation
CN116237153B (en) * 2023-05-11 2023-08-15 四川南充华景智农农业装备制造有限公司 Multi-dimensional joint sorting system for peppers

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0472242A1 (en) * 1990-08-20 1992-02-26 Teunis Rozendaal Method for separating waste
CN203750852U (en) * 2014-04-15 2014-08-06 中联重科股份有限公司 Screening and classifying device for pipes and bars
CN104492704A (en) * 2015-01-01 2015-04-08 韩杰 Fast mixture separation device
CN105312238A (en) * 2015-11-29 2016-02-10 重庆金徽林业发展有限公司 Multifunctional blueberry screening machine
CN205393010U (en) * 2016-02-14 2016-07-27 塔里木大学 Walnut automatic separation device
CN107282449A (en) * 2017-06-28 2017-10-24 徐州瑞龙核桃科技开发有限公司 A kind of walnut automatic sorting device
CN107482879A (en) * 2017-08-18 2017-12-15 重庆路格科技有限公司 The heat dissipating method of switch power module
CN107497692A (en) * 2017-09-30 2017-12-22 象山信基机械厂 Axle screening installation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0472242A1 (en) * 1990-08-20 1992-02-26 Teunis Rozendaal Method for separating waste
CN203750852U (en) * 2014-04-15 2014-08-06 中联重科股份有限公司 Screening and classifying device for pipes and bars
CN104492704A (en) * 2015-01-01 2015-04-08 韩杰 Fast mixture separation device
CN105312238A (en) * 2015-11-29 2016-02-10 重庆金徽林业发展有限公司 Multifunctional blueberry screening machine
CN205393010U (en) * 2016-02-14 2016-07-27 塔里木大学 Walnut automatic separation device
CN107282449A (en) * 2017-06-28 2017-10-24 徐州瑞龙核桃科技开发有限公司 A kind of walnut automatic sorting device
CN107482879A (en) * 2017-08-18 2017-12-15 重庆路格科技有限公司 The heat dissipating method of switch power module
CN107497692A (en) * 2017-09-30 2017-12-22 象山信基机械厂 Axle screening installation

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Inventor after: Zhan Huashan

Inventor after: Li Tao

Inventor after: Huang Shihong

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