CN108325851B - Drum-type two-stage sand screening device for building - Google Patents

Drum-type two-stage sand screening device for building Download PDF

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Publication number
CN108325851B
CN108325851B CN201810057150.4A CN201810057150A CN108325851B CN 108325851 B CN108325851 B CN 108325851B CN 201810057150 A CN201810057150 A CN 201810057150A CN 108325851 B CN108325851 B CN 108325851B
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China
Prior art keywords
screening
barrel
cavity
sieve
chamber
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CN201810057150.4A
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Chinese (zh)
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CN108325851A (en
Inventor
朱园园
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Anhui Zhijie Construction Engineering Co., Ltd
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Anhui Zhijie Construction Engineering Co Ltd
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Priority to CN201810057150.4A priority Critical patent/CN108325851B/en
Publication of CN108325851A publication Critical patent/CN108325851A/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
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18Drum screens
    • B07B1/22Revolving drums
    • 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/30Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
    • 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/52Cleaning with brushes or scrapers
    • B07B1/526Cleaning with brushes or scrapers with scrapers
    • B07B1/528Cleaning with brushes or scrapers with scrapers the scrapers being rotating

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  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a drum-type two-stage sand screening device for buildings, which comprises a first screening cavity, a second screening cavity, a conveyor belt and a screening barrel, wherein the first screening cavity is provided with a first screening hole; the first screening cavity is arranged at the upper end of the second screening cavity and is communicated with the second screening cavity through a through hole, the second screening cavity is rotatably connected with a screening barrel, an annular baffle plate is sleeved on the outer side of the screening barrel, the upper end of the annular baffle plate is provided with the through hole, and the through hole is communicated with the screening barrel; first screening chamber upper end is provided with the feeder hopper, and the right side of feeder hopper is provided with the motor, and the output shaft of motor passes through the belt and is connected with the (mixing) shaft rotation. The invention has novel design, realizes two-stage screening through the arranged first screening chamber and the second screening chamber, improves the screening effect, realizes the function of intermittent blanking through the arranged screening barrel and the through hole arranged at the lower end of the first screening chamber, can effectively prevent excessive sand from simultaneously falling into the second screening chamber to influence the screening efficiency, and is worthy of popularization.

Description

Drum-type two-stage sand screening device for building
Technical Field
The invention relates to the field of construction machinery, in particular to a drum-type two-stage sand screening device for a building.
Background
The sand is an essential basic raw material in the field of construction, various impurities such as broken stones, garbage and the like exist in the sand, sand grains in the sand are also classified into different grades, the purposes are different, and the required sand is different in grain size grade. Therefore, the sand needs to be screened before it can be used. Inside sand of sand heap makes the sand caking easily because the existence of humidity is higher or rainwater behind the rainy, and present screening sand equipment does not generally have stirring function, has reduced screening sand efficiency to screen cloth is fixed motionless in the screening process, and screening sand inefficiency has increased workman's intensity of labour, has reduced work efficiency, and in the course of the work, partial sand can block in the sieve mesh of sieve easily, can block up the sieve mesh after a long time, thereby leads to the sieve to lose the efficiency.
Disclosure of Invention
The invention aims to provide a drum-type two-stage sand screening device for buildings, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a drum-type two-stage sand screening device for buildings comprises a first screening cavity, a second screening cavity, a conveyor belt and a screening barrel; the first screening cavity is arranged at the upper end of the second screening cavity and is communicated with the second screening cavity through a through hole, the second screening cavity is rotatably connected with a screening barrel, an annular baffle plate is sleeved on the outer side of the screening barrel, the upper end of the annular baffle plate is provided with the through hole, and the through hole is communicated with the screening barrel; a feed hopper is arranged at the upper end of the first screening cavity, a motor is arranged on the right side of the feed hopper, an output shaft of the motor is rotationally connected with a stirring shaft through a belt, the stirring shaft penetrates through the first screening cavity and is fixedly connected with a bevel gear A, and the bevel gear A is meshed with a bevel gear B fixedly arranged at the upper end of a crankshaft; a bottom plate is arranged at the lower end of the inner side of the first screening cavity; the last sieve mesh that is provided with of sieve bucket, the left end pivot of sieve bucket is hollow structure, and its inboard rotation is connected with the rotation axis, and the left end of rotation axis stretches into in the sieve bucket and rotates with the inboard right-hand member of sieve bucket to be connected, and the left end of rotation axis stretches out the second and sieves the chamber and with bevel gear D fixed connection, bevel gear D and the bevel gear C meshing of fixed mounting at the bent axle lower extreme.
As a further scheme of the invention: the bent axle is last to rotate and to be connected with the connecting rod, and the other end and the sieve of connecting rod are articulated, the sieve run through first screening chamber and with first screening chamber sliding connection.
As a still further scheme of the invention: and a plurality of groups of stirring rods are symmetrically arranged on the stirring shaft.
As a still further scheme of the invention: the bottom plate is in an inverted round table shape.
As a still further scheme of the invention: the right-hand member pivot of sieve bucket runs through the lateral wall in second screening chamber and rotates with the (mixing) shaft through the belt to be connected, and the left end pivot of sieve bucket rotates to be connected on the lateral wall in second screening chamber.
As a still further scheme of the invention: the supporting rods are symmetrically installed on the rotating shaft, the top ends of the supporting rods are fixedly provided with scraping plates, and the scraping plates are abutted to the side walls of the screen barrel.
As a still further scheme of the invention: and a conveyor belt is arranged at the bottom of the second screening cavity.
Compared with the prior art, the invention has the beneficial effects that:
1. two-stage screening is realized through the arranged first screening cavity and the second screening cavity, so that the screening effect is improved;
2. when the crankshaft rotates, the sieve plate is driven to move left and right through the connecting rod, so that the sand screening efficiency is improved, and the screening effect is improved;
3. through the rotation of the arranged sieve barrel, when the through hole on the sieve barrel is communicated with the through hole at the lower end of the first sieving cavity, sand in the first sieving cavity enters the sieve barrel, and when the through hole on the sieve barrel is staggered with the through hole at the lower end of the first sieving cavity, the blanking in the first sieving cavity is stopped, so that the intermittent blanking effect is realized, and the influence on the screening efficiency caused by the fact that excessive sand falls into the second sieving cavity at the same time can be effectively prevented;
4. the rotation axis drives the scraper blade through the bracing piece when rotating and rotates, and the scraper blade can prevent effectively that sand from blockking up the sieve mesh, guarantees the normal use of sieve bucket.
Drawings
Fig. 1 is a schematic structural diagram of a drum-type two-stage sand screening device for buildings.
Fig. 2 is a perspective view of a screen barrel in the drum-type two-stage sand screening device for construction.
Fig. 3 is a side view of a screen bucket in a drum type two-stage sand screening device for construction.
In the figure: 1-first screening chamber, 2-second screening chamber, 3-feed hopper, 4-stirring rod, 5-stirring shaft, 6-motor, 7-bevel gear A, 8-bevel gear B, 9-crankshaft, 10-connecting rod, 11-sieve plate, 12-bevel gear C, 13-bevel gear D, 14-bottom plate, 15-movable door, 16-rotating shaft, 17-scraper, 18-conveyor belt, 19-annular baffle, 20-supporting rod, 21-through hole, 22-sieve barrel and 23-sieve hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a drum-type two-stage sand sieving device for construction includes a first sieving chamber 1, a second sieving chamber 2, a conveyor belt 18 and a sieving barrel 22; the sand screening device comprises a first screening chamber 1, a second screening chamber 2, a screening barrel 22, an annular baffle plate 19, a through hole 21 and sand in the first screening chamber 1, wherein the first screening chamber 1 is arranged at the upper end of the second screening chamber 2 and is communicated with the second screening chamber 2 through the through hole 21, the second screening chamber 2 is rotatably connected with the screening barrel 22, the outer side of the screening barrel 22 is sleeved with the annular baffle plate 19, the upper end of the annular baffle plate 19 is provided with the through hole 21, the through hole 21 is communicated with the screening barrel 22, the screening barrel 22 rotates, and when the through hole 21 in; the sand screening device comprises a first screening chamber 1, a feed hopper 3, a motor 6, a belt, a connecting rod 10, a sieve plate 11, a bevel gear A7, a bevel gear B8, a connecting rod 10 and a movable door 15, wherein the feed hopper 3 is arranged at the upper end of the first screening chamber 1, the motor 6 is arranged at the right side of the feed hopper 3, an output shaft of the motor 6 is rotatably connected with the stirring shaft 5 through the belt, the stirring shaft 5 penetrates through the first screening chamber 1 and is fixedly connected with the bevel gear A7, the bevel gear A7 is meshed with the bevel gear B8 fixedly arranged at the upper end of a crankshaft 9, the other end of the connecting rod 10 is hinged with the sieve plate 11, the sieve plate 11 penetrates through the first screening; a plurality of groups of stirring rods 4 are symmetrically arranged on the stirring shaft 5, and the stirring rods 4 are used for stirring sand; the bottom plate 14 is arranged at the lower end of the inner side of the first screening cavity 1, the bottom plate 14 is in an inverted circular truncated cone shape, and the bottom plate 14 is used for concentrating screened sand to the through hole 21 and enabling the sand to fall out.
Sieve pores 23 are arranged on the sieve barrel 22, a right end rotating shaft of the sieve barrel 22 penetrates through the side wall of the second sieving cavity 2 and is rotationally connected with the stirring shaft 5 through a belt, a left end rotating shaft of the sieve barrel 22 is rotationally connected on the side wall of the second sieving cavity 2, the left end rotating shaft of the sieve barrel 22 is of a hollow structure, the inner side of the left end rotating shaft is rotationally connected with a rotating shaft 16, the left end of the rotating shaft 16 extends into the sieve barrel 22 and is rotationally connected with the right end of the inner side of the sieve barrel 22, the left end of the rotating shaft 16 extends out of the second sieving cavity 2 and is fixedly connected with a bevel gear D13, the bevel gear D13 is meshed with a bevel gear C12 fixedly arranged at the lower end of the crankshaft 11, the rotating shaft 11 drives the rotating shaft 16 to rotate through the meshing action of the bevel gear C12 and the bevel gear D13 when rotating, support rods 20 are symmetrically arranged on the rotating shaft 16, scrapers 17 are fixedly arranged at the top, the scraping plate 17 can effectively prevent sand from blocking the sieve holes 23; the bottom of the second screening chamber 2 is provided with a conveyor belt 18, and the conveyor belt 18 takes out and collects screened sand.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A drum-type two-stage sand screening device for buildings comprises a first screening cavity (1), a second screening cavity (2), a conveyor belt (18) and a screening barrel (22); the screening device is characterized in that the first screening chamber (1) is arranged at the upper end of the second screening chamber (2) and is communicated with the second screening chamber through a through hole (21), a screening barrel (22) is rotatably connected in the second screening chamber (2), an annular baffle (19) is sleeved on the outer side of the screening barrel (22), the through hole (21) is formed in the upper end of the annular baffle (19), and the through hole (21) is communicated with the screening barrel (22); a feed hopper (3) is arranged at the upper end of the first screening cavity (1), a motor (6) is arranged on the right side of the feed hopper (3), an output shaft of the motor (6) is rotatably connected with a stirring shaft (5) through a belt, the stirring shaft (5) penetrates through the first screening cavity (1) and is fixedly connected with a bevel gear A (7), and the bevel gear A (7) is meshed with a bevel gear B (8) fixedly arranged at the upper end of a crankshaft (9); a bottom plate (14) is arranged at the lower end of the inner side of the first screening cavity (1); sieve pores (23) are arranged on the sieve barrel (22), a left end rotating shaft of the sieve barrel (22) is of a hollow structure, the inner side of the sieve barrel is rotatably connected with a rotating shaft (16), the left end of the rotating shaft (16) extends into the sieve barrel (22) and is rotatably connected with the right end of the inner side of the sieve barrel (22), the left end of the rotating shaft (16) extends out of the second screening cavity (2) and is fixedly connected with a bevel gear D (13), the bevel gear D (13) is meshed with a bevel gear C (12) fixedly arranged at the lower end of a crankshaft (11), a connecting rod (10) is rotatably connected on the crankshaft (9), the other end of the connecting rod (10) is hinged with the sieve plate (11), the sieve plate (11) penetrates through the first screening cavity (1) and is slidably connected with the first screening cavity (1), supporting rods (20) are symmetrically arranged on the rotating shaft (16), and scrapers (17) are fixedly arranged at, the scraper (17) is abutted against the side wall of the sieve barrel (22).
2. A drum type two-stage sand screening device for buildings according to claim 1, characterized in that a plurality of groups of stirring rods (4) are symmetrically arranged on the stirring shaft (5).
3. A building drum-type two-stage sand screening device according to claim 1, wherein the bottom plate (14) has an inverted circular truncated cone shape.
4. The building drum-type two-stage sand screening device according to claim 1, wherein a right end rotating shaft of the screen barrel (22) penetrates through the side wall of the second screening chamber (2) and is rotatably connected with the stirring shaft (5) through a belt, and a left end rotating shaft of the screen barrel (22) is rotatably connected to the side wall of the second screening chamber (2).
5. A building drum-type two-stage sand screening device according to claim 1, characterized in that a conveyor belt (18) is provided at the bottom of the second screening chamber (2).
CN201810057150.4A 2018-01-22 2018-01-22 Drum-type two-stage sand screening device for building Active CN108325851B (en)

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Application Number Priority Date Filing Date Title
CN201810057150.4A CN108325851B (en) 2018-01-22 2018-01-22 Drum-type two-stage sand screening device for building

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Application Number Priority Date Filing Date Title
CN201810057150.4A CN108325851B (en) 2018-01-22 2018-01-22 Drum-type two-stage sand screening device for building

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CN108325851B true CN108325851B (en) 2020-08-28

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109675798A (en) * 2018-11-13 2019-04-26 南京理工大学 A kind of screening plant of concrete silt
CN109381908A (en) * 2018-11-20 2019-02-26 吴斌 A kind of medicine chemical industry equipment for separating liquid from solid
CN110238055A (en) * 2019-06-25 2019-09-17 徐光飞 A kind of chemical material screening machine and application method
CN110624811A (en) * 2019-09-18 2019-12-31 溧阳市新明机械配件制造有限公司 But material mixing device is used in sand practice of edulcoration
CN111790486A (en) * 2020-08-03 2020-10-20 马鞍山安慧智电子科技有限公司 Raw materials processing grinder for ceramic manufacture
CN112934097A (en) * 2021-02-25 2021-06-11 杨晓菲 Cosmetics powder mixing equipment of no layering
CN113649279B (en) * 2021-07-21 2022-06-03 上海绿地建设(集团)有限公司 Construction waste classification processing apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205496001U (en) * 2016-03-21 2016-08-24 张金辉 Mechatronic two -stage screening sieve device
CN106423875A (en) * 2016-10-18 2017-02-22 朱林 Ore screening device for mining industry
CN107594548A (en) * 2017-09-19 2018-01-19 王翠翠 A kind of hawthorn deep processing intermittent feeding draining device
CN208066767U (en) * 2018-01-22 2018-11-09 新昌县儒岙镇高天机械厂 A kind of drum-type two-stage Sand screen for building

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205496001U (en) * 2016-03-21 2016-08-24 张金辉 Mechatronic two -stage screening sieve device
CN106423875A (en) * 2016-10-18 2017-02-22 朱林 Ore screening device for mining industry
CN107594548A (en) * 2017-09-19 2018-01-19 王翠翠 A kind of hawthorn deep processing intermittent feeding draining device
CN208066767U (en) * 2018-01-22 2018-11-09 新昌县儒岙镇高天机械厂 A kind of drum-type two-stage Sand screen for building

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Effective date of registration: 20200806

Address after: 239000 room 2013, a / F, ganghui center commercial building, 669 Jingzi West Road, Chuzhou City, Anhui Province

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