CN210187729U - Multistage combination screening equipment - Google Patents
Multistage combination screening equipment Download PDFInfo
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- CN210187729U CN210187729U CN201920261638.9U CN201920261638U CN210187729U CN 210187729 U CN210187729 U CN 210187729U CN 201920261638 U CN201920261638 U CN 201920261638U CN 210187729 U CN210187729 U CN 210187729U
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- sieve
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- sieve case
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Abstract
The utility model provides a multistage combination screening equipment, including the support frame, its characterized in that: including discharging device, accept the first sieve case and the second sieve case that set up from top to bottom in proper order, first sieve case, second sieve case all incline to set up on the support frame, and discharging device sets up in first sieve case, second sieve case terminal and second sieve case below, and first sieve case shakes for the circle and sieves, and the second sieve case is the high frequency sieve, the utility model discloses the advantage of circle shake sieve and high frequency sieve has output big, and screening effect is good, characteristics such as the energy consumption is low can effectively solve the screening difficult problem of special viscidity material.
Description
Technical Field
The utility model relates to a screening equipment field, specificly relate to a multistage combination screening equipment.
Background
The screening machine is a mechanical device used for sorting various raw materials and various primary products into a plurality of grades according to the granularity of the materials by using the actions of rotation, vibration, reciprocation, shaking and the like, or removing moisture, impurities and the like in the raw materials and the primary products, and then carrying out the next processing and improving the product quality. Screening machines are of many types and are commonly classified in the mineral processing industry according to their structural and kinematic characteristics.
The circular vibrating screen has the characteristics of high strength, high vibration strength, high yield, high screening efficiency, energy conservation, environmental protection, simplicity and convenience in use and maintenance and the like, and is widely applied to screening of materials such as sand, gravel, broken stone, coal mine, surface soil, construction waste and the like at present. The high-frequency screen drives the screen surface to vibrate in high frequency under the action of the vibration exciter, has small amplitude and high frequency, is effective equipment for screening and grading fine and viscous materials, and is widely applied to the occasions of mineral separation, coal separation, chemical industry, brick making and the like at present.
For coarse-grained and easily screened materials, the circular vibrating screen has great advantages; high frequency screening has great advantage for fine, viscous materials, whereas for screening of special materials it is often necessary to utilize both functions simultaneously due to the requirements of the grade. For example, the recycling of the reclaimed asphalt material, the classification of coarse particles of more than 10mm after the raw material is crushed can be realized by circular vibration screening, while the reclaimed asphalt material of 0mm to 5mm needs high-frequency screening or other special screening equipment for screening due to small particle size, high asphalt content and higher viscosity, and the final screening cannot be realized by one screening machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multistage combination screening equipment to prior art not enough. Novel multistage combination vibration screening equipment has combined the circle and has shaken the advantage of sieve and high frequency sieve, and the coarse material of easy screening shakes through the circle and sieves the case screening, and the thin material of difficult screening sieves through the high frequency sieve case, and it is big to have an output, sieves effectually, characteristics such as the energy consumption is low, can effectively solve the difficult problem of screening of special viscidity material.
The utility model discloses a combine the figure explanation, the utility model discloses a following technical scheme realizes:
the utility model provides a multistage combination screening equipment, which comprises a supporting rack, discharging device, accept the first sieve case and the second sieve case that set up from top to bottom in proper order, and set up respectively first, first drive arrangement and the second drive arrangement of its work of drive on the second sieve case, it is first, the equal slope of second sieve case sets up on the support frame, it is first, second sieve case end and second sieve case below all are provided with discharging device, first sieve case is the circle sieve that shakes, second sieve case is the high frequency sieve, connect in terminal discharging device formula structure as an organic whole of each layer shale shaker body, it has a plurality of discharging channel corresponding with each layer respectively to form.
Further, the second sieve case includes the multilayer high frequency sieve of accepting the setting from top to bottom in proper order, bottom high frequency sieve below and all the other each layer high frequency sieve end are provided with discharging device.
Further, the circle sieve that shakes includes first casing, sets up the first screen frame in first casing and sets up the first vibration damper between first casing and first screen frame, first drive arrangement sets up on first casing, shakes the first motor of exciter and the converter of being connected with first motor including the circle, and first motor drives the circle and shakes the exciter and produce centrifugal inertial force, thereby makes the first screen frame that can freely vibrate produce the vibration of approximate circular orbit and make first screen frame sieve material.
Further, the high frequency sieve includes the second casing, sets up screen cloth and second damping device in the second casing, second drive arrangement includes that the interval sets up on the second casing and is located the multiunit high frequency vibration excitation device of screen cloth below in order to beat the screen cloth, high frequency vibration excitation device includes the high frequency vibration exciter, drive the second motor of high frequency vibration exciter and the converter of being connected with the second motor, the high frequency vibration exciter includes two fixed covers, support in the connecting axle between two fixed covers and with two parallel vibration arms of connecting axle fixed connection, two parallel vibration arms set up respectively in the connecting axle both sides, and it has a plurality of connecting rods to distribute between two parallel vibration arms, through connecting rod and connecting axle fixed connection. The second vibration damper is arranged at a position on the screen where the screen is beaten by the high-frequency excitation device. The second motor drives the two parallel vibrating arms in opposite directions to do small-amplitude high-frequency swing, so that vibration exciting motion is realized, and the vibration frequency and the swing amplitude of the two parallel vibrating arms can be adjusted by changing the vibration frequency and the amplitude of the second motor.
Further, the first damping device comprises a rubber spring, a metal spring or a composite spring.
Further, the second vibration damping means includes a rubber cushion.
Further, the first and second electric machines include an electric machine, a vibration electric machine, or a motor.
The utility model discloses following beneficial effect has:
1. the advantage that the circle was shaken and is sieved and high frequency sieve has been realized simultaneously on one screening equipment of multistage combination screening equipment, and when screening the material, the coarse material of easy screening is sieved through the circle sieve case that shakes, and the fine material of difficult screening is sieved through high frequency sieve case, has output big, and screening effect is good, characteristics such as the energy consumption is low, can effectively solve the screening difficult problem of special viscidity material.
2. The multistage combined screening equipment has the advantages that the circular vibration screen and the high-frequency screen are simultaneously realized on one screening equipment, and when the multistage combined screening equipment is applied to products, the arrangement space of a field can be effectively saved, the cost is reduced, and the economic value is improved.
3. In the multistage combination screening equipment, the discharging device of integral type structure can greatly reduce the dismouting degree of difficulty of equipment, and discharging device's stability when increasing equipment operation reduces the fault rate.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic structural view of a first sieve box of the present invention;
fig. 3 is a schematic perspective view of a first sieve body of the present invention;
FIG. 4 is a schematic structural view of a second sieve box of the present invention;
fig. 5 is a schematic perspective view of a second driving device according to the present invention;
fig. 6 is a schematic side view of the second driving device of the present invention.
The labeled information in the graph is:
the device comprises a first screen box 1, a second screen box 2, a first driving device 3, a second driving device 4, a discharging device 5, a supporting frame 6, a first shell 11, a first screen body 12, a first vibration damper 13, a second shell 21, an observation hole 211, a screen 22, a second vibration damper 23, a circular vibration exciter 31, a first motor 32, a frequency converter 33, a second motor 42, a fixing sleeve 411, a connecting shaft 412, a parallel vibration arm 413 and a connecting rod 414.
Detailed Description
As shown in fig. 1 to 6, a multi-stage combined screening device comprises a support frame 6, a discharging device 5, a first screen box 1 and a second screen box 2 which are sequentially arranged from top to bottom, and a first driving device 3 and a second driving device 4 which are respectively arranged on the first screen box 1 and the second screen box 2 to drive the first screen box 1 and the second screen box 2 to work, wherein the first screen box 1 and the second screen box 2 are obliquely arranged on the support frame 6.
The first sieve box 1 is a circular sieve, and comprises a first casing 11, a first sieve body 12 arranged in the first casing 11, and a first vibration damping device 13 arranged between the first casing 11 and the first sieve body 12, wherein the first vibration damping device 13 can adopt a rubber spring, a metal spring or a composite spring. The first driving device 3 is disposed on the first housing 11, and includes a circular vibration exciter 31, a first motor 32 for driving the circular vibration exciter 31, and a frequency converter 33 connected to the first motor 32, where the first motor 32 may be a common motor, a vibration motor, or a motor, and drives the circular vibration exciter 31 to generate centrifugal inertia force, so that the first screen 12 capable of freely vibrating generates vibration with an approximately circular track, thereby screening materials by the first screen 12.
The second screen box 2 comprises two layers of high-frequency screens which are sequentially arranged up and down, and comprises a second shell 21, a screen 22 and a second vibration damping device 23 which are arranged in the second shell 21, rubber cushion pads and positions which are arranged on the screen 22 and knocked by a high-frequency vibration excitation device. The second driving device 4 includes a plurality of sets of high-frequency vibration exciters which are arranged on the second casing 21 at intervals and located below the screen 22 to beat the screen, each high-frequency vibration exciter includes a high-frequency vibration exciter, a second motor 42 for driving the high-frequency vibration exciters and a frequency converter 33 connected with the second motor 42, each high-frequency vibration exciter includes two fixing sleeves 411, a connecting shaft 412 supported between the two fixing sleeves 411 and two parallel vibrating arms 413 fixedly connected with the connecting shaft 412, the two parallel vibrating arms 413 are respectively arranged on two sides of the connecting shaft 412, a plurality of connecting rods 414 are distributed between the two parallel vibrating arms 413, and the two parallel vibrating arms are fixedly connected with the connecting shaft 412 through the connecting rods 414. The second motor 42 can be a common motor, a vibration motor or a motor, and drives the two parallel vibration arms 413 to perform small amplitude high frequency oscillation in opposite directions, so as to realize excitation motion, and the vibration frequency and the oscillation amplitude of the two parallel vibration arms 413 can be adjusted by changing the vibration frequency and the amplitude of the second motor 42.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (10)
1. The utility model provides a multistage combination screening equipment, includes the support frame, its characterized in that: including discharging device, accept first sieve case and the second sieve case that sets up from top to bottom in proper order, first sieve case, second sieve case all incline to set up on the support frame, and discharging device sets up at first sieve case, second sieve case terminal and second sieve case below, and first sieve case is the circle sieve that shakes, and the second sieve case is the high frequency sieve.
2. A multi-stage combination screening apparatus as claimed in claim 1, wherein: the second sieve case includes accepts the multilayer high frequency sieve that sets up from top to bottom in proper order, and the bottom high frequency sieve below and all the other each layer high frequency sieve end are provided with discharging device.
3. A multi-stage combination screening apparatus as claimed in claim 1, wherein: the circular vibrating screen comprises a first shell, a first screen body arranged in the first shell and a first vibration reduction device arranged between the first shell and the first screen body, wherein the first screen body comprises a first screen frame, a first screen and a first driving device, the first screen is arranged in the first screen frame, and the first screen is driven by the first driving device to perform approximate circular motion.
4. A multi-stage combined screening apparatus as claimed in claim 1 or 2, wherein: the high-frequency screen comprises a second shell, a second screen arranged in the second shell, a second vibration damper and a high-frequency vibration excitation device, wherein the high-frequency vibration excitation device is arranged on the second shell and is located below the screen to beat the second screen, the second vibration damper is arranged at the position on the second screen beaten by the high-frequency vibration excitation device, the high-frequency vibration excitation device comprises a second driving device, a frequency converter, a fixed sleeve, a connecting shaft supported between the fixed sleeve and parallel vibration arms fixedly connected with the connecting shaft, a damper is arranged in the fixed sleeve, the two parallel vibration arms are respectively arranged on two sides of the connecting shaft, a plurality of connecting rods are distributed between the two parallel vibration arms, the two parallel vibration arms are fixedly connected with the connecting shaft through the connecting rods, and the two parallel vibration arms are driven to swing in a small-amplitude high frequency mode in the opposite.
5. A multi-stage combination screening apparatus as claimed in claim 3, wherein: the first vibration damping device comprises a rubber spring, a metal spring or a composite spring.
6. A multi-stage combination screening apparatus as claimed in claim 4, wherein: the second vibration damping means comprises a resilient damping member.
7. A multi-stage combination screening apparatus as claimed in claim 4, wherein: the frequency converter controls the vibration frequency and amplitude of the second driving device.
8. A multi-stage combination screening apparatus as claimed in claim 3, wherein: the first driving device comprises a vibration motor or a motor or an exciter driven by a common motor.
9. A multi-stage combination screening apparatus as claimed in claim 4, wherein: the second driving device comprises a vibration motor or a motor or an exciter driven by a common motor.
10. A multi-stage combined screening apparatus as claimed in claim 1, 2 or 3, wherein: the discharging device is of an integrated or detachable structure, and the discharging channels respectively correspond to the layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261638.9U CN210187729U (en) | 2019-03-01 | 2019-03-01 | Multistage combination screening equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261638.9U CN210187729U (en) | 2019-03-01 | 2019-03-01 | Multistage combination screening equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210187729U true CN210187729U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261638.9U Active CN210187729U (en) | 2019-03-01 | 2019-03-01 | Multistage combination screening equipment |
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| CN (1) | CN210187729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675810A (en) * | 2019-03-01 | 2019-04-26 | 福建南方路面机械有限公司 | A kind of multistage-combination screening plant |
| CN113351471A (en) * | 2021-06-28 | 2021-09-07 | 南昌矿山机械有限公司 | Full grain level integral type screening machine |
-
2019
- 2019-03-01 CN CN201920261638.9U patent/CN210187729U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675810A (en) * | 2019-03-01 | 2019-04-26 | 福建南方路面机械有限公司 | A kind of multistage-combination screening plant |
| CN109675810B (en) * | 2019-03-01 | 2024-03-15 | 福建南方路面机械股份有限公司 | Multistage combination screening equipment |
| CN113351471A (en) * | 2021-06-28 | 2021-09-07 | 南昌矿山机械有限公司 | Full grain level integral type screening machine |
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Address after: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee after: Fujian Nanfang pavement machinery Co., Ltd Address before: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |