CN208066710U - Aggregate screening instrument - Google Patents
Aggregate screening instrument Download PDFInfo
- Publication number
- CN208066710U CN208066710U CN201721875529.3U CN201721875529U CN208066710U CN 208066710 U CN208066710 U CN 208066710U CN 201721875529 U CN201721875529 U CN 201721875529U CN 208066710 U CN208066710 U CN 208066710U
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- China
- Prior art keywords
- screen drum
- aggregate
- interior
- interior screen
- outer casing
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Abstract
The utility model creation provides a kind of aggregate screening instrument, including supporting rack, screen drum and rotating driving device；Screen drum includes the interior screen drum, outer screen drum and outer casing being arranged from inside to outside on same central axes；Inside and outside screen drum is connect with rotating driving device；Outer casing is mounted on supporting rack；Multiple coarse aggregate sieve pores are distributed on the barrel of interior screen drum, interior screen drum inner cavity is equipped with the first helical-blade, and the left end of interior screen drum is equipped with feed inlet, and right end was equipped with coarse aggregate discharge port, and coarse aggregate reclaiming plate is crossed in the lower section for crossing coarse aggregate discharge port equipped with what is tilted down；Multiple fine aggregate sieve pores are distributed on the barrel of outer screen drum, outer screen drum madial wall is equipped with the second helical-blade, and the right end of outer screen drum is exported equipped with aggregate, and the lower section of aggregate outlet is equipped with the aggregate reclaiming plate tilted down；The bottom of outer casing was equipped with fine aggregate outlet.The utility model creation aggregate screening instrument sieve material efficiency is high, sieve material effect is good, time saving and energy saving, environmentally-friendly sanitary.
Description
Technical field
The invention belongs to earthwork test Instrument field, more particularly, to a kind of aggregate screening instrument.
Background technology
Currently, when carrying out aggregate screening in laboratory, the sieve test net that material sieve is all smaller is sieved, is being screened
Time-consuming and laborious by manually being screened during aggregate, few efficiency that discharges is low, there is the molecules such as airborne dust in screening process
Object, the airborne dust as caused by the test method of this artificial screening aggregate is bigger to the harm of environment and testing crew, general to try
The aggregate dosage for testing product is bigger, and artificial sieve material occupies larger test specimen Production Time.Therefore being badly in need of one kind can be in reality
It tests in room and substitutes pure sieve material by hand, accelerate sieve material progress, improve the producing efficiency of the test samples such as concrete, reduce and make experiment
Airborne dust is for environment and testing crew when the time used in test specimen, accelerating the overall progress of experiment, and can reduce aggregate screening
The equipment of harm.
Invention content
In view of this, the invention is directed to, a kind of sieve material efficiency is high, effect is good, time saving and energy saving, environmentally friendly defends for sieve material
Raw aggregate screening instrument, to solve the above problems.
In order to achieve the above objectives, the technical solution of the invention is realized in：
A kind of aggregate screening instrument, including supporting rack, screen drum and rotating driving device；The screen drum is included in same central axes
On the interior screen drum, outer screen drum and the outer casing that are arranged from inside to outside；The interior screen drum and the outer screen drum are filled with rotation driving
Set connection；The outer casing is mounted on support frame as described above；Multiple coarse aggregate sieves are evenly distributed on the barrel of the interior screen drum
Hole, the interior screen drum inner cavity are provided with the first helical-blade, the rotation direction of first helical-blade and the interior screen drum in the axial direction
Direction of rotation it is identical, the left end of the interior screen drum is provided with feed inlet, and right end was provided with coarse aggregate discharge port, crossed coarse aggregate
The lower section of discharge port is equipped with the coarse aggregate reclaiming plate excessively for tilting down setting；It is evenly distributed on the barrel of the outer screen drum multiple
Fine aggregate sieve pore is provided with the second helical-blade, the rotation direction of second helical-blade on the outer screen drum madial wall in the axial direction
Identical as the direction of rotation of outer screen drum, second helical-blade is not contacted with the interior screen drum, the right end of the outer screen drum
It is provided with aggregate outlet, the lower section of the aggregate outlet is equipped with the aggregate reclaiming plate for tilting down setting；The bottom of the outer casing
Portion offered fine aggregate outlet.
Further, the rotating driving device includes the first rotary drive motor, support shaft and the second rotation driving
Motor；The support shaft is set to the interior screen drum inner cavity along the direction of the interior screen drum central axes, and the interior screen drum is fixed
In the support shaft, the left end of the support shaft stretch out the interior screen drum left end and with first rotary drive motor
Connection；The left side of the outer screen drum is flexibly connected by first bearing with the left side outer edge of the interior screen drum, described outer
The left and right ends face outer edge of screen drum is flexibly connected by second bearing with the left and right ends face of the outer casing；The outer screen drum
Left side be equipped with the ring gear of setting concentric with it, be provided with gear on the output shaft of second rotary drive motor, institute
Gear is stated to be meshed with the ring gear；First rotary drive motor and second rotary drive motor are mounted on the branch
On support.
Further, the interior screen drum inner cavity is provided with multiple connecting rods, and one end of the connecting rod turns with the support
Axis connection, the other end are connect with the medial surface of the interior screen drum.
Further, first rotary drive motor is opposite with the direction of rotation of the second rotary drive motor.
Further, it is provided with feed hopper at the feed inlet.
Further, the length for crossing fine aggregate outlet on the outer casing axis direction and the outer casing are in axis
Upward length is identical, and the fine aggregate exit of crossing was equipped with fine aggregate outlet shroud along its outer edge；It is described to cross fine aggregate
Outlet shroud includes being set to the fine aggregate of crossing to export the baffle on the vertical direction on two sides of axis, is set to institute
Stated the bottom plate being obliquely installed immediately below fine aggregate outlet and the connecting lateral plate for being set to the bottom plate higher end.
Compared with the existing technology, the aggregate screening instrument described in the invention has the advantage that：
(1) turn that the aggregate screening instrument described in the invention passes through screen drum and outer screen drum in being driven by rotating driving device
It is dynamic, the screening of experiment aggregate size is carried out, coarse aggregate is crossed and is retained by interior screen drum, sieving of the fine aggregate through outer screen drum is crossed and falls into outer cover
In shell, experiment is then trapped in aggregate in outer screen drum, can quickly filter out the aggregate of grain size needed for experiment, sieve material efficiency
Height, effect is good, time saving and energy saving；The design of outer casing is then it is possible to prevente effectively from influence of the airborne dust to environment and operating personnel；
(2) be equipped with the first helical-blade in the interior screen drum of the aggregate screening instrument described in the invention, the first helical-blade with
It can crossing retention coarse aggregate and take coarse aggregate discharge port out of and eventually pass through coarse aggregate reclaiming plate and skid off in interior screen drum rotary course；Outside
Be equipped with the second helical-blade in screen drum, the second helical-blade in outer screen drum rotary course can grain size needed for the experiment by retention bone
Material strip goes out aggregate discharge port and is finally skidded off through aggregate reclaiming plate；Fine aggregate is crossed then to be received by the fine aggregate outlet of crossing of outer casing bottom
Collection；Cross coarse aggregate, fine aggregate and experiment aggregate excessively has respective discharge port, collection conveniently, to effectively improve the work of screening
Efficiency, screening effect is good, clean hygiene；
(3) design of the first helical-blade and the second helical-blade described in the invention make aggregate and inside and outside screen drum it
Between come into full contact with, improve the utilization rate of inside and outside screen drum, while aggregate can be made to walk longer path in shorter space, have
Effect reduces the volume of screen drum.
Description of the drawings
The attached drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The illustrative embodiments and their description made do not constitute the improper restriction to the invention for explaining the invention.?
In attached drawing：
Fig. 1 is the structural schematic diagram of aggregate screening instrument of the present invention wound described in embodiment；
Fig. 2 is the vertical profile figure of the left-half of the aggregate screening instrument described in the invention embodiment；
Fig. 3 is the right view of the aggregate screening instrument described in the invention embodiment；
Fig. 4 is the structural schematic diagram of the interior screen drum described in the invention embodiment；
Fig. 5 is the structural schematic diagram of the outer screen drum described in the invention embodiment.
Reference sign：
1- supporting racks；Screen drum in 2-；The outer screen drums of 3-；4- outer casings；The first helical-blades of 5-；6- feed inlets；7- crosses coarse aggregate
Discharge port；8- crosses coarse aggregate reclaiming plate；The second helical-blades of 9-；10- aggregates export；11- aggregate reclaiming plates；12- crosses fine aggregate and goes out
Mouthful；The first rotary drive motors of 13-；14- supports shaft；The second rotary drive motors of 15-；16- first bearings；The second axis of 17-
It holds；18- ring gears；19- gears；20- connecting rods；21- crosses fine aggregate outlet shroud.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description the invention and simplifies to describe, do not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limitation to the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relative importance or hidden
Containing the quantity for indicating indicated technical characteristic.Defining the feature of " first ", " second " etc. as a result, can express or imply
Ground includes one or more this feature.In the description of the invention, unless otherwise indicated, the meaning of " plurality " is two
It is a or more than two.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments creates.
As shown in Fig. 1 to 5, a kind of aggregate screening instrument, including supporting rack 1, screen drum and rotating driving device；
Screen drum includes the interior screen drum 2, outer screen drum 3 and outer casing 4 being arranged from inside to outside on same central axes；
Rotating driving device includes the first rotary drive motor 13, support shaft 14 and the second rotary drive motor 15；
Multiple coarse aggregate sieve pores are evenly distributed on the barrel of interior screen drum 2,2 inner cavity of interior screen drum is provided in the axial direction
The rotation direction of one helical-blade 5, the first helical-blade 5 is identical as the direction of rotation of interior screen drum 2, and the left end of interior screen drum 2 is provided with feed inlet
6, feed hopper is equipped at feed inlet 6,2 right end of interior screen drum was provided with coarse aggregate discharge port 7, crossed the lower section of coarse aggregate discharge port 7
Equipped with the coarse aggregate reclaiming plate 8 excessively for tilting down setting, crosses coarse aggregate reclaiming plate 8 and be mounted on supporting rack 1；Interior screen drum 2 it is interior
Direction of the chamber on its central axes is equipped with support shaft 14, and interior screen drum 2 is fixed in support shaft 14, the setting of 2 inner cavity of interior screen drum
There are multiple connecting rods 20, one end of connecting rod 20 to be connect with support shaft 14, the other end is connect with the medial surface of interior screen drum 2, branch
The left end of support shaft 14 stretches out interior 2 left end of screen drum and is connect with the first rotary drive motor 13,13 band of the first rotary drive motor
Dynamic support shaft 14 rotates, and then interior screen drum 2 is driven to rotate, and the first rotary drive motor 13 is mounted on supporting rack 1；
It is evenly distributed with multiple fine aggregate sieve pores on the barrel of outer screen drum 3, is arranged in the axial direction on 3 madial wall of outer screen drum
Have the second helical-blade 9, the rotation direction of the second helical-blade 9 is identical as the direction of rotation of outer screen drum 3, the second helical-blade 9 not with interior screen drum 2
The right end of contact, outer screen drum 3 is provided with aggregate outlet 10, and the lower section of aggregate outlet 10 is equipped with the aggregate discharging for tilting down setting
Plate 11, aggregate reclaiming plate 11 are mounted on supporting rack 1；The left end that the left side of outer screen drum 3 passes through first bearing 16 and interior screen drum 2
The flexible connection of face outer edge, the left and right ends face that the left and right ends face outer edge of outer screen drum 3 passes through second bearing 17 and outer casing 4
Flexible connection；The left side of outer screen drum 3 is equipped with the ring gear 18 of setting concentric with it, the output shaft of the second rotary drive motor 15
On be provided with gear 19, gear 19 is meshed with ring gear 18, the second rotary drive motor 15 with moving gear 19 rotate, gear 19 with
Ring gear 18 engages, and then the outer screen drum 3 for being fixed with ring gear 18 is driven to rotate, and the second rotary drive motor 15 is mounted on supporting rack 1
On；Due to have first bearing 16 presence, outer screen drum 3 can under the drive of the second rotary drive motor 15 with the progress of interior screen drum 2
The rotary motion of opposite direction, second bearing 17 then play the outer screen drum 3 of support while ensuring that outer screen drum 3 is carried out with respect to outer casing 4
The effect of rotary motion；
Outer casing 4 is mounted on supporting rack 1, and the bottom of outer casing 4 offered fine aggregate outlet 12, crossed fine aggregate outlet
12 length on 4 axis direction of the outer casing is identical as the length of the outer casing 4 in the axial direction, and the fine aggregate of crossing goes out
At mouth 12 fine aggregate outlet shroud 21 was equipped with along its outer edge；The fine aggregate outlet shroud 21 of crossing includes being set to the mistake
Baffle of the fine aggregate outlet 12 on the vertical direction on two sides of axis is set to described cross immediately below fine aggregate outlet 12
The bottom plate being obliquely installed and the connecting lateral plate for being set to the bottom plate higher end, cross fine aggregate and 12 fallen by fine aggregate outlet
On the bottom plate for entering fine aggregate outlet shroud 21, bottom plate tilted is pooled to lower one end, facilitates collection.
The course of work of aggregate screening instrument described in the present embodiment is as follows：
Aggregate to be sieved is poured into through feed inlet 6 in interior screen drum 2, rotates and drives in the first rotary drive motor 13 and second
Under the drive of motor 15, interior screen drum 2 and outer screen drum 3 are rotated；It crosses coarse aggregate to be trapped in interior screen drum 2, first
It was fallen on coarse aggregate reclaiming plate 8 by coarse aggregate outlet 7 under the drive of helical-blade 5；The aggregate sieved through interior screen drum 2 exists
Under the screening of outer screen drum 3, the aggregate for testing required grain size is trapped in outer screen drum 3, through bone under the drive of the second helical-blade 9
Material outlet 10 is fallen on aggregate reclaiming plate 11；It crosses fine aggregate to be sized in outer casing 4, it is meticulous to fall by fine aggregate outlet 12
On the bottom plate of aggregate outlet shroud 21, it is pooled to the lower one end of the bottom plate being obliquely installed.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection domain within.
Claims (6)
1. a kind of aggregate screening instrument, it is characterised in that：Including supporting rack (1), screen drum and rotating driving device；The screen drum includes
Interior screen drum (2), outer screen drum (3) and the outer casing (4) being arranged from inside to outside on same central axes；The interior screen drum (2) and institute
Outer screen drum (3) is stated to connect with the rotating driving device；The outer casing (4) is mounted on support frame as described above (1)；The interior sieve
Multiple coarse aggregate sieve pores are evenly distributed on the barrel of cylinder (2), interior screen drum (2) inner cavity is provided with the first spiral shell in the axial direction
Vane (5), the rotation direction of first helical-blade (5) is identical as the interior direction of rotation of screen drum (2), the interior screen drum (2)
Left end is provided with feed inlet (6), and right end was provided with coarse aggregate discharge port (7), cross coarse aggregate discharge port (7) lower section be equipped with to
Under be obliquely installed cross coarse aggregate reclaiming plate (8)；Multiple fine aggregate sieve pores are evenly distributed on the barrel of the outer screen drum (3),
Be provided with the second helical-blade (9) on outer screen drum (3) madial wall in the axial direction, the rotation direction of second helical-blade (9) with
The direction of rotation of the outer screen drum (3) is identical, and second helical-blade (9) does not contact with the interior screen drum (2), the outer screen drum
(3) right end is provided with aggregate outlet (10), and the lower section of the aggregate outlet (10) is equipped with the aggregate discharging for tilting down setting
Plate (11)；The bottom of the outer casing (4) offered fine aggregate outlet (12).
2. a kind of aggregate screening instrument according to claim 1, it is characterised in that：The rotating driving device includes the first rotation
Turn driving motor (13), support shaft (14) and the second rotary drive motor (15)；The support shaft (14) is along the interior sieve
The direction of cylinder (2) central axes is set to interior screen drum (2) inner cavity, and the interior screen drum (2) is fixed on the support shaft (14)
On, the left end of the support shaft (14) stretches out interior screen drum (2) left end and connects with first rotary drive motor (13)
It connects；The left side of the outer screen drum (3) is connected by the left side outer edge activity of first bearing (16) and the interior screen drum (2)
It connects, the left and right ends face that the left and right ends face outer edge of the outer screen drum (3) passes through second bearing (17) and the outer casing (4)
Flexible connection；The left side of the outer screen drum (3) is equipped with the ring gear (18) of setting concentric with it, the second rotation driving electricity
Gear (19) is provided on the output shaft of machine (15), the gear (19) is meshed with the ring gear (18)；First rotation
Driving motor (13) and second rotary drive motor (15) are mounted on support frame as described above (1).
3. a kind of aggregate screening instrument according to claim 2, it is characterised in that：Interior screen drum (2) inner cavity is provided with more
A connecting rod (20), one end of the connecting rod (20) are connect with the support shaft (14), the other end and the interior screen drum (2)
Medial surface connection.
4. a kind of aggregate screening instrument according to claim 2, it is characterised in that：First rotary drive motor (13) with
The direction of rotation of second rotary drive motor (15) is opposite.
5. a kind of aggregate screening instrument according to claim 1, it is characterised in that：It is provided with charging at the feed inlet (6)
Bucket.
6. a kind of aggregate screening instrument according to claim 1, it is characterised in that：The fine aggregate outlet (12) of crossing is along described
Length on outer casing (4) axis direction is identical as the length of the outer casing (4) in the axial direction, described to cross fine aggregate outlet
(12) at fine aggregate outlet shroud (21) was equipped with along its outer edge；The fine aggregate outlet shroud (21) of crossing includes being set to institute
Baffle of the fine aggregate outlet (12) on the vertical direction on two sides of axis was stated, the fine aggregate of crossing is set to and exports
(12) bottom plate being obliquely installed immediately below and the connecting lateral plate for being set to the bottom plate higher end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875529.3U CN208066710U (en) | 2017-12-27 | 2017-12-27 | Aggregate screening instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875529.3U CN208066710U (en) | 2017-12-27 | 2017-12-27 | Aggregate screening instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208066710U true CN208066710U (en) | 2018-11-09 |
Family
ID=64034457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721875529.3U Expired - Fee Related CN208066710U (en) | 2017-12-27 | 2017-12-27 | Aggregate screening instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208066710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226246A (en) * | 2021-12-15 | 2022-03-25 | 河北建筑工程学院 | Classifying and screening equipment and classifying and screening method |
| CN115090383A (en) * | 2022-06-17 | 2022-09-23 | 浙江华飞电子基材有限公司 | Preparation method of high-purity low-radioactivity spherical silicon micro powder |
-
2017
- 2017-12-27 CN CN201721875529.3U patent/CN208066710U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226246A (en) * | 2021-12-15 | 2022-03-25 | 河北建筑工程学院 | Classifying and screening equipment and classifying and screening method |
| CN115090383A (en) * | 2022-06-17 | 2022-09-23 | 浙江华飞电子基材有限公司 | Preparation method of high-purity low-radioactivity spherical silicon micro powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20201227 |