CN103785607B - Vibrating screen sieve plate and cleaning device thereof - Google Patents
Vibrating screen sieve plate and cleaning device thereof Download PDFInfo
- Publication number
- CN103785607B CN103785607B CN201410056509.8A CN201410056509A CN103785607B CN 103785607 B CN103785607 B CN 103785607B CN 201410056509 A CN201410056509 A CN 201410056509A CN 103785607 B CN103785607 B CN 103785607B
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- grating
- sieve plate
- rapping rod
- rapping
- vibration
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Abstract
The invention provides a vibrating screen sieve plate and a cleaning device of the vibrating screen sieve plate. The cleaning device comprises a rapper bar which is of a columnar hollow structure, a plurality of protruding bosses for striking a grating of the sieve plate, a plurality of blowholes and an installing component are arranged on the surface of the rapper bar, wherein the installing component is used for making the rapper bar installed below the grating of the sieve plate. Due to the fact that the rapper bar is arranged below the grating of a vibrating screen and continuously raps the grating, high-pressure gas continuously blows the grating, the vibration amplitude of the grating can be increased, materials easily stuck to the grating can be vibrated and scattered or blown away, and it can be guaranteed that holes are not blocked. Thus, the vibrating screen sieve plate and the cleaning device can reduce the hole blockage probability of materials and improve screening efficiency.
Description
Technical field
The present invention relates to vibration screening machinery equipment technical field, particularly to a kind of vibration sieve plate and its cleaning dress
Put.
Background technology
Screening is indispensable operation in multinomial industrial and agricultural production, and screening quality, effect direct relation subsequent processing
Whether smooth, product quality, cost etc..Therefore, the focus of screening and corresponding screening plant always industry.
As an important applied field of screening, screening is always one of coal processing and utilization process important ring
Section, during coal screening, is more than, for moisture content, the Wet Coal ' that 6%, screen size requires 3～6mm, due to coal
The little, specific surface area of grain is big, meet that water is easy-adhesion to cause plug-hole, so that screening effect is deteriorated, is difficult to complete using common vibrosieve, therefore
Such coal is considered difficult screened material.How this part coal is sieved, realize not plug-hole, improve screening efficiency, be
The problem of current material sieving technology urgent need to resolve.
For solving this problem, industry has done extensive research, all achieves certain in theory and practice
Achievement, mainly includes flip flop screen, elastic vibrating-rod sieve etc..Flip flop screen is simultaneously solid using screen cloth (usually abrasion resistant polyurethane material)
It is scheduled on 2 can do on the sieve nest doing relatively reciprocating motion, by the reciprocating motion of 2 sieve nests, pull that screen cloth is regular to do " tension and relaxation
Flexible " motion, make material be difficult plug-hole, but this type sieve screen cloth service life is short and expensive, popularization gets up to have tired
Difficult.Elastic vibrating-rod sieve has resilient rod iron as grating using a lot, and grating is arranged in parallel composition screen cloth, and grating is solid with both sides
The opinion determining hole leaves certain interval, and in sieve nest vibration processes, each grating all can be altered with respect to sieve nest certain amplitude
Dynamic, therefore there is certain self-cleaning function, due to this kind of sieve processing and fabricating easily, price is low, is widely used at present.But
This elastic vibrating-rod sieve still has certain limitation, and for example, in use, the quality of its screening effect depends on raw material
The impact that bulk granule materials in coal are carried out to screen cloth, if large granular materials are many, the impact to grating is big, then can be abundant
Play the elasticity of grating, increase its Oscillation Amplitude, screening effect is all right, if not having in raw coal or seldom having bulk materials,
Then often screening effect is not ideal, still suffers from plug-hole phenomenon.
Content of the invention
It is an object of the invention to provide a kind of vibration sieve plate and its cleaning plant, deposited with solving existing scale elastic vibration sieve
If no large granular materials; the problem of plug-hole might be led to.
In order to solve the above problems, the present invention provides a kind of vibration sieve plate cleaning plant, and its technical scheme includes:
A kind of vibration sieve plate cleaning plant, comprising: rapping is excellent, is column structure, surface is provided with the use of multiple protrusions
In the boss of impact sieve plate grating and for described rapping rod being installed on the installation component below sieve plate grating.
In a kind of preferred implementation of above-mentioned vibration sieve plate cleaning plant, described rapping rod is the hollow knot of column
Structure, and described rapping rod hollow structure inside be connected with an inlet channel；The side wall of described rapping rod is provided with multiple pores, uses
The gas being inputted by described inlet channel in injection.
In a kind of preferred implementation of above-mentioned vibration sieve plate cleaning plant, described installation component include a long column and
One short column, one end end face of described rapping rod is provided with described short column, and the other end end face of described rapping rod is provided with described long column, institute
State inlet channel to pass through inside described long column.
In a kind of preferred implementation of above-mentioned vibration sieve plate cleaning plant, described pore and boss mutually stagger.
In a kind of preferred implementation of above-mentioned vibration sieve plate cleaning plant, the outer end of described long column with for being connected
The air inlet pipe of air pump connects, and described air inlet pipe is provided with swivel joint.
In order to solve the above problems, the present invention provides a kind of vibration sieve plate, and its technical scheme is as follows:
A kind of vibration sieve plate, including side plate and grating, described grating is installed on the top of described side plate, wherein, also wraps
Include any of the above-described vibration sieve plate cleaning plant, the installation component of described rapping rod is installed on described side plate and is located at described sieve
Below bar, and described rapping rod is when described vibration sieve plate work, described in the described boss of described rapping rod can touch
Grating is to impact described grating.
In a kind of preferred implementation of above-mentioned vibration sieve plate, described side plate is provided with for installing described installation structure
Coordinate for gap between the deep trouth of part or through hole, and described deep trouth or through hole and described installation component, to shake in described side plate
When dynamic, described rapping rod being capable of play therewith.
By upper analysis, the present invention passes through setting rapping rod below the grating of vibrosieve, carries out lasting rapping to grating
And/or high pressure blow smelting operation, the Oscillation Amplitude of grating can be increased, shake and dissipate and/or dispel material, with or without bulk materials, all
Can ensure that not plug-hole, whereby, the present invention can reduce material plug-hole probability, improves screening efficiency.
Brief description
Fig. 1 is the cross section view of the vibration sieve plate preferred embodiment of the present invention；
Fig. 2 is the longitudinal section sectional view of the vibration sieve plate preferred embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further details.
For more directly perceived, the vivid and succinct description present invention, below only to the vibration sieve plate including cleaning plant
It is described, vibration sieve plate is then no longer separately described.
As depicted in figs. 1 and 2, this vibration sieve plate preferred embodiment includes grating 3, side plate 1 and for installing grating 3
Rapping rod 2.Grating 3 is movably installed on the top of side plate 1.The installation component of rapping rod 2 is installed on side plate 1 and is located at sieve
Below bar 3.During application, when following sieve plate vibration, it the larger vibration of amplitude to rapping rod 2 can occur, thus impacting grating
3.It can be seen that, rapping rod 2 is more important with the distance between grating 3, and distance therebetween will ensure rapping rod 2 in Vibration Screen
During plate work, the boss 21 of rapping rod 2 can touch grating 3 to impact grating 3, thus increasing the amplitude of grating 3.For example, under
Gap value between short column 23 described in literary composition and deep trouth 101, long column 24 and through hole 102 is 2～5mm it is ensured that rapping rod 2 will not be from
Automatically while dropping out in side plate 1, rapping rod 2 can do the relative motion of 2～5mm with respect to grating 3, thus carrying out impact sieve
Bar 3.
Specifically, as depicted in figs. 1 and 2, rapping rod 2 be column structure, its surface be provided with multiple protrusions be used for hit
Beat the boss 21 of sieve plate grating 3 and the installation component for rapping rod 2 being installed on sieve plate grating 3 lower section: short column 23, long column
24.Be respectively equipped with the side plate 1 of both sides embedded short column 23 deep trouth 101, pass through long column 24 through hole 102, short column 23 and deep trouth
101st, coordinate for gap so that when side plate 1 occurs vibration, rapping rod 2 can occur amplitude therewith between long column 24 and through hole 102
Larger play, to touch and to impact grating 3.
The cross sectional shape of short column 23 and deep trouth 101, long column 24 and through hole 102 can be rectangle, circular or other shapes.
Because rapping rod 2 is with diameter greater than the diameter of deep trouth 101 and through hole 102, the spacing effect in left and right can be played.Therefore, as long as
Guarantee to retain certain gap between short column 23 and deep trouth 101, long column 24 and through hole 102, such as 2～5mm, guaranteeing rapping rod not
It is easy to rapping rod 2 while side plate can be dropped out to do relative motion.In this preferred embodiment, can be by short column 23 and deep trouth 101
Length all lengthen 2 times, even if then mutual gap increases (such as 10mm gap) further, rapping rod 2 also will not be from side
Drop out in the slotted eye of plate 1.
In order to increase the ramping effect of rapping rod 2, it is to avoid on grating 3 occur material build up and increase rapping rod 2 from
Body clearing function, preferably rapping rod 2 is the hollow structure of column, and this hollow structure within rapping rod 2 and an inlet channel
(not shown) connects.In order to simplify structure, this inlet channel is located inside long column 24；In addition, the side wall of rapping rod 2 be provided with multiple
Pore 20, for being blown the gases at high pressure being inputted by inlet channel to the gap of grating 3, (now rapping rod 2 is properly termed as height again
Pressure rapping rod).
It is highly preferred that pore 20 and boss 21 mutually stagger, that is, and being not provided with pore 20 in boss 21, it is to avoid convex
Platform 21 intensity decreases.
The outer end 22 of long column 24 connect with the air inlet pipe 41 for being connected air pump so as to rapping rod 2 delivered inside high pressure
The inlet channel of gas and air inlet pipe 41 are tightly connected.Air inlet pipe 41 is provided with swivel joint 42, to avoid air inlet pipe 41 to distort.
Preferably, air inlet pipe 41 is sebific duct.It is highly preferred that long column 24 outer end 22 lathe car becomes valve shape, valve is as in figure institute
The barb structure shown, after air inlet pipe 41 is enclosed within the barb structure of outer end 22, using the elasticity of its own, air inlet pipe 41 can
It is fixed on the outer end 22 of long column 24, and guarantee to seal air tight.As an alternative, outer end 22 can also be standard valve, from
It is welded in long column 24 after buying on market, or linked together with long column 24 by screw thread.
When applying this preferred embodiment, due between the short column 23 of rapping rod 2 and deep trouth 101, long column 24 and through hole 102 it
Between leave certain interval, rapping rod can rely on the inertia of itself, in shaker vibration relative to sieve nest play up and down.?
Upwards during play, the boss 21 outside it carries out vibration beating to the grating 3 of top, forms impact to grating 3, increases grating and shakes
Width.Meanwhile, the source of the gas of connection is discontinuously blown into gases at high pressure from the inlet channel of rapping rod 2 one end, then passes through vibrating head 2 four
The pore 20 in week outwards sprays, and blows to the gap of grating 3, makes the material loosening between grating 3, come off, not plug-hole.Interruption blowout
Gases at high pressure may also operate as the function of itself cleaning of rapping rod 2, prevents moist coal dust to be bonded at rapping rod 2 surroundings.
To sum up, the invention has the characteristics that:
During shaker vibration, rapping rod can do the play of certain amplitude and angle with respect to sieve nest, and rapping rod outside is " wolf
Tooth rod " form, outside it, surrounding is regular arranges some boss, and during the upper and lower play of vibrating head, boss is carried out to top grating
Vibration beating.
It is hollow form inside vibrating head, its one end is provided with air inlet, connects the sources of the gas such as air pump, outside vibrating head, surrounding is not
It is that projection section is provided with some ventholes, be blown gases at high pressure to surrounding.
It can be seen that, the present invention can carry out lasting rapping using rapping rod and discontinuously carry out gases at high pressure spray to screen cloth
Blow, increasing screen cloth Oscillation Amplitude, even if there is no the impact of bulk materials, still ensuring that not plug-hole, whereby, the present invention can reduce
Material plug-hole probability, improves screening efficiency.When coal process field is tested, the present invention perfect can solve Wet Coal ' particulate
In dry screening, material blocks up the problem of sieve.
As known by the technical knowledge, the present invention can be by the embodiment party of other essence without departing from its spirit or essential feature
Case is realizing.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute
Have within the scope of the present invention or be all included in the invention in the change being equal in the scope of the present invention.
Claims (6)
1. a kind of vibration sieve plate cleaning plant is it is characterised in that include:
Rapping rod, is column structure, and surface is provided with the boss for impacting sieve plate grating of multiple protrusions and for will be described
Rapping rod is installed on the installation component below sieve plate grating；
Described rapping rod is the hollow structure of column, and the hollow structure inside of described rapping rod is connected with an inlet channel；
The side wall of described rapping rod is provided with multiple pores, for being blown the gas being inputted by described inlet channel, to dispel vibration
The material of adhesion between the grating of sieve plate.
2. vibration sieve plate cleaning plant according to claim 1 is it is characterised in that described installation component includes a long column
With a short column, one end end face of described rapping rod is provided with described short column, and the other end end face of described rapping rod is provided with described long column,
Described inlet channel passes through inside described long column.
3. vibration sieve plate cleaning plant according to claim 1 is it is characterised in that described pore and boss are mutually wrong
Open.
4. vibration sieve plate cleaning plant according to claim 2 it is characterised in that the outer end of described long column with for even
The air inlet pipe connecing air pump connects, and described air inlet pipe is provided with swivel joint.
5. a kind of vibration sieve plate, including side plate and grating, described grating be installed on described side plate top it is characterised in that
Also include the arbitrary described vibration sieve plate cleaning plant of claim 1-4, the excellent installation component of described rapping is installed on described
On side plate and be located at below described grating, and described rapping rod is when described vibration sieve plate work, the excellent institute of described rapping
State boss and can touch described grating to impact described grating.
6. vibration sieve plate according to claim 5 is it is characterised in that described side plate is provided with for installing described installation
Coordinate for gap between the deep trouth of component or through hole, and described deep trouth or through hole and described installation component, with described side plate
During vibration, described rapping rod being capable of play therewith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056509.8A CN103785607B (en) | 2014-02-19 | 2014-02-19 | Vibrating screen sieve plate and cleaning device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056509.8A CN103785607B (en) | 2014-02-19 | 2014-02-19 | Vibrating screen sieve plate and cleaning device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103785607A CN103785607A (en) | 2014-05-14 |
| CN103785607B true CN103785607B (en) | 2017-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410056509.8A Expired - Fee Related CN103785607B (en) | 2014-02-19 | 2014-02-19 | Vibrating screen sieve plate and cleaning device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103785607B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105455158B (en) * | 2014-08-26 | 2018-08-31 | 台州知通科技有限公司 | A kind of pretreatment conveying device for potato chips raw materials for production |
| CN107164100A (en) * | 2017-07-04 | 2017-09-15 | 安徽省鹰鹭麻油有限公司 | A kind of sesame oil dregs of fat filtration drying device |
| CN107744943B (en) * | 2017-11-30 | 2020-08-14 | 界首市鑫龙粮油机械加工有限公司 | Vibrating clearance sieve |
| CN111656942B (en) * | 2020-05-30 | 2022-04-26 | 南通职业大学 | Garlic harvester |
| CN117427745B (en) * | 2023-12-15 | 2024-04-26 | 中城院(北京)环境科技股份有限公司 | Pretreatment reducing mechanism suitable for quick humification system of many first materials |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288320A (en) * | 1980-05-05 | 1981-09-08 | Litton Systems, Inc. | Vibrating screen with screen deck unclogging mechanism |
| CN102476102A (en) * | 2010-11-22 | 2012-05-30 | 济南中燃科技发展有限公司 | Beating sleeve for cantilever screen |
| CN202447285U (en) * | 2012-02-21 | 2012-09-26 | 新乡市高服筛分机械有限公司 | Gas spray screen-cleaning device for vibrating screen |
| CN103480574A (en) * | 2013-10-22 | 2014-01-01 | 鞍山重型矿山机器股份有限公司 | Screen surface supporting beating device for vibrating screen |
| CN203750834U (en) * | 2014-02-19 | 2014-08-06 | 中国能建集团装备有限公司北京技术中心 | Vibration screen plate and cleaning device thereof |
-
2014
- 2014-02-19 CN CN201410056509.8A patent/CN103785607B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288320A (en) * | 1980-05-05 | 1981-09-08 | Litton Systems, Inc. | Vibrating screen with screen deck unclogging mechanism |
| CN102476102A (en) * | 2010-11-22 | 2012-05-30 | 济南中燃科技发展有限公司 | Beating sleeve for cantilever screen |
| CN202447285U (en) * | 2012-02-21 | 2012-09-26 | 新乡市高服筛分机械有限公司 | Gas spray screen-cleaning device for vibrating screen |
| CN103480574A (en) * | 2013-10-22 | 2014-01-01 | 鞍山重型矿山机器股份有限公司 | Screen surface supporting beating device for vibrating screen |
| CN203750834U (en) * | 2014-02-19 | 2014-08-06 | 中国能建集团装备有限公司北京技术中心 | Vibration screen plate and cleaning device thereof |
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| CN103785607A (en) | 2014-05-14 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20161212 Address after: 100044 Beijing Haidian District Xizhimen North Shimonoseki Land Temple 32 Applicant after: Beijing Electric Power Automatic Equipment Co., Ltd. Address before: 100044 Beijing city Haidian District four crossing the road Land Temple 32 building three layer 11 Applicant before: Beijing Technical Center of China Energy Engineering Group Equipment Co., Ltd. |
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Granted publication date: 20170125 Termination date: 20190219 |
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