CN103658025A - Composite tension and relaxation sieve - Google Patents

Composite tension and relaxation sieve Download PDF

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Publication number
CN103658025A
CN103658025A CN201310739479.6A CN201310739479A CN103658025A CN 103658025 A CN103658025 A CN 103658025A CN 201310739479 A CN201310739479 A CN 201310739479A CN 103658025 A CN103658025 A CN 103658025A
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China
Prior art keywords
sieve
basket
sieve basket
eccentric
transmission system
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CN201310739479.6A
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Chinese (zh)
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CN103658025B (en
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贾晓娜
陈兵
刘淑良
张承卫
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Bertley (Shandong) Industrial Equipment Co.,Ltd.
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Bethel (tianjin) Industrial Equipment Co Ltd
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Abstract

The invention belongs to the technical field of material sieving and particularly relates to a composite tension and relaxation sieve. An upper-layer floating sieve basket and a lower-layer floating sieve basket are connected with an upper-layer eccentric shaft transmission system and a lower-layer eccentric shaft transmission system respectively. The upper-layer eccentric shaft transmission system and the lower-layer eccentric shaft transmission system are connected with an upper-layer driving motor and a lower-layer driving motor respectively through universal couplings. One X-direction plate spring is arranged between the upper-layer floating sieve basket and the upper-layer eccentric shaft transmission system and connected with the upper-layer floating sieve basket through one sieve basket connecting frame, and another X-direction plate spring is arranged between the lower-layer floating sieve basket and the lower-layer eccentric shaft transmission system and connected with the lower-layer floating sieve basket through another sieve basket connecting frame. Z-direction plate springs and Y-direction plate springs are arranged between a fixed sieve basket and the upper-layer floating sieve basket, and Z-direction plate springs and Y-direction plate springs are also arranged between the fixed sieve basket and the lower-layer floating sieve basket. According to the composite tension and relaxation sieve, the vibration amplitude of all layers of sieve plates can be kept constant no matter whether the quantity of fed materials is large or small, the materials can bounce on the sieve plates, so that the phenomena of sieve blockage, sieve sticking and the like are effectively avoided, and the sieving efficiency of a sieving machine is more stable and reliable; in addition, the composite tension and relaxation sieve has the advantages of small maintenance amount, low energy consumption and the like.

Description

Compound flip flop screen
Technical field
The present invention relates to a kind of compound flip flop screen, belong to material screening technical field, be mainly used in the industries such as coal, mine, sandstone, chemical industry, electric power.
Background technology
The flip flop screen version of prior art is by main sieve basket, sieve basket floats, motor driver forms, main sieve basket flexibly connects by shearing block rubber with the sieve basket that floats, fixed cross beam on main sieve basket and the unsteady crossbeam interlaced arrangement on unsteady screen frame, and the sieve plate that uses elastomeric material to make is connected fixed cross beam with unsteady crossbeam, during work, by drive unit, drive the eccentric activator being positioned on main sieve basket, the inertial excitation power that eccentric activator produces is vibrated main sieve basket, by shearing block rubber, exciting force is passed to the sieve basket that floats, the sieve basket that makes to float is done linear reciprocating motion, between main sieve basket and unsteady sieve basket, there is relative displacement poor, fixed cross beam and unsteady crossbeam correspondingly produce displacement difference, thereby make sieve plate tension lax, the motion of generation tension and relaxation, by increasing and decreasing the quantity of rubber cutout or adjusting eccentric activator to adjust the amplitude of flip flop screen.The weak point that above-mentioned flip flop screen exists is that screen(ing) machine amplitude can be according to supplied materials amount size variation, and is difficult to realize the control respectively to double deck screen levels amplitude.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of efficient, reliable compound flip flop screen is provided, be applicable to the difficult screening materials carrying classifications such as thin, sticky, wet stock, two working region of upper and lower layer of realizing separate unit screen(ing) machine work independently, do not interfere with each other, no matter supplied materials amount is large or little, all shows stable amplitude.
Compound flip flop screen of the present invention, comprise gravity flow screen basket, the unsteady sieve basket of Shai Kuanghe lower floor floats on upper strata, float and sieve basket connection upper strata eccentric shaft transmission system in upper strata, upper strata eccentric shaft transmission system connects upper strata drive motors by Hooks coupling universal coupling, lower floor floats and sieves basket connection lower floor eccentric shaft transmission system, lower floor's eccentric shaft transmission system connects lower floor's drive motors by Hooks coupling universal coupling, float between sieve basket and upper strata eccentric shaft transmission system in upper strata, lower floor floats, between Shai Kuangyu lower floor eccentric shaft transmission system, X-direction leaf spring is set respectively, sieve basket floats for X-direction leaf spring and upper strata, lower floor floats and by sieve basket link, connects respectively between sieve basket, sieve basket floats for gravity flow screen basket and upper strata, lower floor floats and is equipped with Z-direction leaf spring and Y-direction leaf spring between sieve basket.
The sieve basket that floats is divided into upper and lower two-layer, and every layer connects respectively eccentric shaft transmission system, uses independently drive motor means to drive during work; After drive motors starts, the rotation of eccentric shaft transmission system produces center displacement, forcing the sieve basket that floats to do a reciprocating motion for constant amplitude, upper and lower layer eccentric shaft transmission system can be controlled respectively upper and lower layer float amplitude and the rotating speed of sieve basket by the offset of eccentric shaft in eccentric adjustment shaft transmission system respectively and the operating frequency of upper and lower layer drive motors; This structure is without any type of vibrator, amplitude stability, and Y-direction leaf spring, Z-direction leaf spring and the X-direction leaf spring direction of motion guiding to the sieve basket that floats, to its damping action of having moved.
Described upper and lower layer eccentric shaft transmission system includes the eccentric main axis that runs through gravity flow screen basket, the two axial ends of eccentric main axis is eccentric segment, a wherein eccentric segment of upper and lower layer eccentric main axis connects respectively upper and lower layer drive motors by Hooks coupling universal coupling respectively, base bearing on eccentric main axis is positioned at main bearing seat, main bearing seat is connected and fixed sieve basket, capacity eccentric bearing on eccentric segment is positioned at eccentric bearing block, and eccentric bearing block connects X-direction leaf spring.Eccentric segment revolves round the sun around eccentric main axis axis, revolution radius is the centre-to-centre spacing of eccentric main axis axis and eccentric segment axis, eccentric bearing block is connected with the unsteady sieve basket of upper and lower layer respectively with sieve basket link by transmission leaf spring, the vertical direction displacement that eccentric bearing block is on business changed the line of production raw, passing to X-direction leaf spring swings up and down, the displacement of horizontal direction passes to each layer of sieve basket link by X-direction leaf spring and does reciprocal translation, realizes the tension and relaxation motion of the sieve basket that floats.
The invention has the beneficial effects as follows:
Because upper and lower layer kinematic system independently do not interfere with each other, thus can control respectively each layer, realize flip flop screen bilayer, twoly drive, double-amplitude, double-frequency rigidity tension and relaxation effect; And no matter feeding coal is large or little, each layer of sieve plate all keeps uniform amplitude, and material is done " trampoline " and moved on the sieve basket that floats, thereby effectively solves the phenomenons such as stifled sieve, paste sieve, make flip flop screen screening efficiency more stable, reliable, and there is low maintenance, low power consumption and other advantages.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is main TV structure schematic diagram of the present invention.
Fig. 3 is the structural representation of eccentric shaft transmission system in Fig. 1.
In figure: 1, gravity flow screen basket 2, the unsteady sieve basket 3 in upper strata, upper strata drive motors 4, upper strata eccentric shaft transmission system 5, lower floor's drive motors 6, lower floor's eccentric shaft transmission system 7, X-direction leaf spring 8, a sieve basket link 9, the unsteady sieve basket 10 of lower floor, Y-direction leaf spring 11, main bearing seat 12, Z-direction leaf spring 13, eccentric segment 14, eccentric bearing block.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in FIG. 1 to 3, compound flip flop screen of the present invention, comprise gravity flow screen basket 1, the unsteady sieve basket 9 of sieve basket 2 and lower floor floats on upper strata, float and sieve basket 2 connection upper strata eccentric shaft transmission systems 4 in upper strata, upper strata eccentric shaft transmission system 4 connects upper strata drive motors 3 by Hooks coupling universal coupling, lower floor floats and sieves basket 9 connection lower floor eccentric shaft transmission systems 6, lower floor's eccentric shaft transmission system 6 connects lower floor's drive motors 5 by Hooks coupling universal coupling, float between sieve basket 2 and upper strata eccentric shaft transmission system 4 in upper strata, lower floor floats, between sieve basket 9 and lower floor's eccentric shaft transmission system 6, X-direction leaf spring 7 is set respectively, X-direction leaf spring 7 floats and sieves basket 2 with upper strata, lower floor floats and by sieve basket link 8, connects respectively between sieve basket 9, gravity flow screen basket 1 floats and sieves basket 2 with upper strata, lower floor floats and is equipped with Z-direction leaf spring 12 and Y-direction leaf spring 10 between sieve basket 9.
Upper and lower layer eccentric shaft transmission system includes the eccentric main axis 15 that runs through gravity flow screen basket 1, the two axial ends of eccentric main axis 15 is eccentric segment 13, a wherein eccentric segment 13 of upper and lower layer eccentric main axis connects respectively upper and lower layer drive motors by Hooks coupling universal coupling respectively, base bearing on eccentric main axis 15 is positioned at main bearing seat 11, main bearing seat 11 is connected and fixed sieve basket 1, capacity eccentric bearing on eccentric segment 13 is positioned at eccentric bearing block 14, and eccentric bearing block 14 connects X-direction leaf spring 7.
Before use, can regulate respectively the offset of eccentric segment 13 of upper and lower layer eccentric shaft transmission system and amplitude and the rotating speed that the operating frequency of upper and lower layer drive motors is controlled respectively the unsteady sieve basket of upper and lower layer according to supplied materials amount, to realize the same amplitude same frequency of the upper and lower layer of flip flop screen amplitude, with amplitude different frequency, various amplitude same frequency, the vibration mode of four kinds of forms of various amplitude different frequency, wherein, large amplitude small frequency is applicable to the classification of the large granular materials on upper strata, and the large frequency of little amplitude is applicable to the classification of the small particles material of lower floor.
During use, start respectively upper and lower layer drive motors, upper and lower layer drive motors drives respectively upper and lower layer eccentric shaft transmission system to rotate, eccentric segment 13 in upper and lower layer eccentric shaft transmission system is around the axis revolution of eccentric main axis 15, revolution radius is the centre-to-centre spacing of axis and eccentric segment 13 axis of eccentric main axis 15, eccentric bearing block 14 is passed to by exciting force the sieve basket that floats by X-direction leaf spring by exciting force, obtain the amplitude of unsteady sieve basket, the main sieve basket of sieve basket reaction floats, make main sieve basket obtain amplitude, realize screening action.Y-direction leaf spring, Z-direction leaf spring and the X-direction leaf spring direction of motion guiding to the sieve basket that floats, to its damping action of having moved.

Claims (2)

1. a compound flip flop screen, comprise gravity flow screen basket (1), sieve basket (2) and the unsteady sieve basket of lower floor (9) float on upper strata, it is characterized in that: float and sieve basket (2) connection upper strata eccentric shaft transmission system (4) in upper strata, upper strata eccentric shaft transmission system (4) connects upper strata drive motors (3) by Hooks coupling universal coupling, lower floor floats and sieves basket (9) connection lower floor's eccentric shaft transmission system (6), lower floor's eccentric shaft transmission system (6) connects lower floor's drive motors (5) by Hooks coupling universal coupling, float between sieve basket (2) and upper strata eccentric shaft transmission system (4) in upper strata, lower floor floats, between sieve basket (9) and lower floor's eccentric shaft transmission system (6), X-direction leaf spring (7) is set respectively, X-direction leaf spring (7) floats and sieves basket (2) with upper strata, lower floor floats and by sieve basket link (8), connects respectively between sieve basket (9), gravity flow screen basket (1) floats and sieves basket (2) with upper strata, lower floor floats and is equipped with Z-direction leaf spring (12) and Y-direction leaf spring (10) between sieve basket (9).
2. compound flip flop screen according to claim 1, it is characterized in that: on, lower floor's eccentric shaft transmission system includes the eccentric main axis (15) that runs through gravity flow screen basket (1), the two axial ends of eccentric main axis (15) is eccentric segment (13), on, a wherein eccentric segment (13) of lower floor's eccentric main axis connects respectively by Hooks coupling universal coupling respectively, lower floor's drive motors, base bearing on eccentric main axis (15) is positioned at main bearing seat (11), main bearing seat (11) is connected and fixed sieve basket (1), capacity eccentric bearing on eccentric segment (13) is positioned at eccentric bearing block (14), eccentric bearing block (14) connects X-direction leaf spring (7).
CN201310739479.6A 2013-12-24 2013-12-24 Compound flip flop screen Active CN103658025B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106824774A (en) * 2017-01-21 2017-06-13 陕煤集团神木张家峁矿业有限公司 A kind of flip flop screen increase and decrease block rubber adjustment amplitude approach
CN106964543A (en) * 2017-04-12 2017-07-21 北京圣开景科技有限公司 A kind of relaxation sieves lever drive system
CN107008566A (en) * 2017-05-09 2017-08-04 中国矿业大学 A kind of steam coal separation technique
CN109883897A (en) * 2019-03-21 2019-06-14 中国矿业大学(北京) Elastic screen surface material layering experimental provision
CN112691895A (en) * 2020-08-21 2021-04-23 北京路优材料技术有限公司 Heavy superfine galloping sieve
CN115178462B (en) * 2022-07-08 2023-09-19 安徽理工大学 Four-degree-of-freedom relaxation screening test bed

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099528A2 (en) * 1982-07-16 1984-02-01 Hein, Lehmann Aktiengesellschaft Screening apparatus
EP0208221A2 (en) * 1985-07-12 1987-01-14 Hein, Lehmann Aktiengesellschaft Screening machine
DE3821689C1 (en) * 1988-06-28 1990-02-15 Carl Schenck Ag, 6100 Darmstadt, De Screening machine
CN203030510U (en) * 2013-01-15 2013-07-03 秦皇岛优格玛工业技术有限公司 Linear vibration double-layer banana flip-flow screen
CN203044328U (en) * 2013-01-23 2013-07-10 山东博润工业技术股份有限公司 Flip-flop screen
CN203648840U (en) * 2013-12-24 2014-06-18 伯特利(天津)工业设备有限公司 Composite flip-flow screen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099528A2 (en) * 1982-07-16 1984-02-01 Hein, Lehmann Aktiengesellschaft Screening apparatus
EP0208221A2 (en) * 1985-07-12 1987-01-14 Hein, Lehmann Aktiengesellschaft Screening machine
DE3821689C1 (en) * 1988-06-28 1990-02-15 Carl Schenck Ag, 6100 Darmstadt, De Screening machine
CN203030510U (en) * 2013-01-15 2013-07-03 秦皇岛优格玛工业技术有限公司 Linear vibration double-layer banana flip-flow screen
CN203044328U (en) * 2013-01-23 2013-07-10 山东博润工业技术股份有限公司 Flip-flop screen
CN203648840U (en) * 2013-12-24 2014-06-18 伯特利(天津)工业设备有限公司 Composite flip-flow screen

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106824774A (en) * 2017-01-21 2017-06-13 陕煤集团神木张家峁矿业有限公司 A kind of flip flop screen increase and decrease block rubber adjustment amplitude approach
CN106824774B (en) * 2017-01-21 2019-08-09 陕煤集团神木张家峁矿业有限公司 A kind of flip flop screen increase and decrease rubber block adjustment amplitude approach
CN106964543A (en) * 2017-04-12 2017-07-21 北京圣开景科技有限公司 A kind of relaxation sieves lever drive system
CN107008566A (en) * 2017-05-09 2017-08-04 中国矿业大学 A kind of steam coal separation technique
CN107008566B (en) * 2017-05-09 2019-06-07 中国矿业大学 A kind of steam coal separation technique
CN109883897A (en) * 2019-03-21 2019-06-14 中国矿业大学(北京) Elastic screen surface material layering experimental provision
CN109883897B (en) * 2019-03-21 2020-03-31 中国矿业大学(北京) Elastic screen surface material layering experimental device
CN112691895A (en) * 2020-08-21 2021-04-23 北京路优材料技术有限公司 Heavy superfine galloping sieve
CN112691895B (en) * 2020-08-21 2022-08-26 北京路优材料技术有限公司 Heavy superfine galloping sieve
CN115178462B (en) * 2022-07-08 2023-09-19 安徽理工大学 Four-degree-of-freedom relaxation screening test bed

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Address after: 255300 8th floor, building 9, entrepreneurship center, Liantong Road, Zibo Economic Development Zone, Shandong Province

Patentee after: Bertley (Shandong) Industrial Equipment Co.,Ltd.

Address before: 300385 Tianjin City Economic Development Zone Xiqing two North Road No. 21 Saida

Patentee before: BIRTLEY (TIANJIN) INDUSTRIAL EQUIPMENT Co.,Ltd.