CN201565418U - Screen grader - Google Patents

Screen grader Download PDF

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Publication number
CN201565418U
CN201565418U CN2009202760511U CN200920276051U CN201565418U CN 201565418 U CN201565418 U CN 201565418U CN 2009202760511 U CN2009202760511 U CN 2009202760511U CN 200920276051 U CN200920276051 U CN 200920276051U CN 201565418 U CN201565418 U CN 201565418U
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CN
China
Prior art keywords
screen
screening machine
ing
screen cloth
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009202760511U
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Chinese (zh)
Inventor
唐根生
梅东前
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI BBCA CHEMICAL EQUIPMENT Co Ltd
Original Assignee
ANHUI BBCA CHEMICAL EQUIPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by ANHUI BBCA CHEMICAL EQUIPMENT Co Ltd filed Critical ANHUI BBCA CHEMICAL EQUIPMENT Co Ltd
Priority to CN2009202760511U priority Critical patent/CN201565418U/en
Application granted granted Critical
Publication of CN201565418U publication Critical patent/CN201565418U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a screen grader which comprises a screen grader body and a power device, wherein the power device at least comprises a motor, the bottom of the screen grader body is provided with an elastic draw rod, and the screen grader body has eccentricity, radial slope angles and vertical slope angles. The screen grader can continuously separate materials into 6 grades at most, is fine to separate materials, satisfies the regeneration requirement of materials and the requirements of the next technology, can continuously and simply screen materials which are difficult to screen themselves and are difficult to screen by a traditional screening technology, and improves efficiency and yield.

Description

Screening machine
Technical field
The utility model relates to a kind of screening machine.
Background technology
Along with developing rapidly of industries such as chemical industry, medicine, plastics, food, building stones processing, to material (as lime stone, quartz sand, grinding agent, plastic products and hyperfine material etc.) separate and the requirement of output more and more stricter, traditional material sieving technology can't satisfy its requirement.Mainly show following several aspect, 1, can't be with the meticulous separation of material; 2, the feed separation rank is lower: often can only be separated into 2 grades, in the time of separating more rank, but can not separate continuously; 3, do not satisfy the regeneration requirement of material, for example, the material that sieves out is often destroyed; 4, yielding instant material, easily viscous material, oiliness or easily produce static material etc. and can not be sized continuously, simply; 5, production capacity is lower.
The utility model content
At defective that exists in the prior art and deficiency, the purpose of this utility model provides a kind of.
For achieving the above object, utility model has proposed a kind of screening machine, and it comprises screen(ing) machine body C and power set A, and described power set A comprises motor a1 at least, described screen(ing) machine body C bottom is provided with elastic draw bar B, and described screen(ing) machine body C has the degree of eccentricity, radial rake and tangential tilt.
Described elastic draw bar B is 8, evenly is arranged on described screen(ing) machine body C bottom in couples.
Described power set A also comprises small pulley a2, narrow V belt a4, big belt wheel a5, biserial angular contact bearing a6, second a7, bearing block a8, bearing a9 and cylinder roller bearing a10; Wherein, described second a7 is contained among the described bearing block a8 that is provided with described biserial angular contact bearing a6 and cylinder roller bearing a10, be fixed on then among the described bearing a9, described motor a1 drives big belt wheel a5 by small pulley a2, narrow V belt a4, to drive screen(ing) machine body C.
Described screen(ing) machine body C comprises PTO c1, middle cylinder body c2, upper shell c3, pressure ring c4, screen cloth c1-3 and pull bar c5; Described PTO c1 is equipped with single-row tapered roller bearing c1-1 and can regulates first c1-2 of the degree of eccentricity, radial rake, tangential tilt, described PTO c1 is connected with described second a7, to drive described middle cylinder body c2, pressure ring c4, upper shell c3 and screen cloth c1-3, described PTO c1 is connected with described middle cylinder body c2, pressure ring c4, upper shell c3, screen cloth c1-3 by pull bar c5.
Preferably, the described screen cloth c1-3 number of plies is 1~5 layer.
More preferably, the number of plies of described screen cloth c1-3 is 4 layers.
Described first c1-2 is positioned at described second a7 top, on described second a7 plate a7-1 is housed.
Described plate a7-1 is provided with the first balancing weight a11.
The top of described narrow V belt a4 is provided with the second balancing weight a3.
Described screen cloth c1-3 bottom is provided with round brush.
Technique scheme of the present utility model has following advantage: make the high energy of screening machine of the present utility model (model is φ 2000) that material is separated into 6 grades continuously by the screen(ing) machine body that can transfer of elastic draw bar, the crank degree of eccentricity, radial rake and tangential tilt that the restriction circular motion is set, accomplish meticulous separation, satisfy the requirement of material regeneration requirement and following road technology.Simultaneously, difficult screening itself or the material (as yielding instant material, easy viscous material, oiliness or easily produce static material etc.) that is difficult to screening with traditional material sieving technology also can be continuously, be sized simply.Screening efficiency of the present utility model can reach 94~98%, and output can reach 4~5t/h.
Description of drawings
Fig. 1 is the Facad structure schematic diagram of the screening machine of the utility model embodiment;
Fig. 2 is the use schematic diagram 1 of the screening machine of Fig. 1;
Fig. 3 is the vertical view of the screening machine of Fig. 1;
Fig. 4 is the use schematic diagram 2 of the screening machine of Fig. 1;
Fig. 5 is the structural representation that has the cleaning device of round brush in the screening machine of the utility model embodiment;
Fig. 6 is the function relation figure between each main motion parameter of screening machine of the utility model embodiment.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
The Facad structure schematic diagram of the screening machine of Fig. 1 the utility model embodiment.As shown in Figure 1, according to the screening machine of the utility model embodiment, it comprises screen(ing) machine body C and power set A, and screen(ing) machine body C bottom is provided with elastic draw bar B, and described screen(ing) machine body C has the degree of eccentricity, radial rake and tangential tilt.
Elastic draw bar B is 8, evenly is arranged on described screen(ing) machine body C bottom in couples.
Power set A comprises motor a1, small pulley a2, narrow V belt a4, big belt wheel a5, biserial angular contact bearing a6, second a7, bearing block a8, bearing a9 and cylinder roller bearing a10; Wherein, second a7 is contained among the described bearing block a8 that is provided with described biserial angular contact bearing a6 and cylinder roller bearing a10, be fixed on then among the bearing a9 (for example turriform bearing), the power of described motor a1 is delivered to big belt wheel a5 by small pulley a2, narrow V belt a4, with the rotating speed driving screen(ing) machine body C of 228r/m.
Described screen(ing) machine body C comprises PTO c1, middle cylinder body c2, upper shell c3, pressure ring c4, screen cloth c1-3 and pull bar c5; Described PTO c1 is equipped with single-row tapered roller bearing c1-1 and can regulates first c1-2 of the degree of eccentricity, radial rake, tangential tilt, described PTO c1 is connected with described second a7, to drive 3 middle cylinder body c2,3 pressure ring c4,1 upper shell c3 and 4 screen cloth c1-3, described PTO c1 is connected with described middle cylinder body c2, pressure ring c4, upper shell c3, screen cloth c1-3 by pull bar c5.
Described first c1-2 is positioned at described second a7 top, on described second a7 plate a7-1 is housed, and plate a7-1 is provided with the first balancing weight a11, and the top of narrow V belt a4 is provided with the second balancing weight a3.
The operation principle of the screening machine of the utility model embodiment is as follows:
With the motor is power, drive the rotation of screen(ing) machine body by narrow V-shape belt, utilize elasticity to draw the effect of contraction of pole (circular motion of restriction screen(ing) machine body), make the screen(ing) machine body produce existing main shaft revolution around screening machine, there is planet to rotatablely move again around himself main shaft rotation, simultaneously, because the screen(ing) machine body has the degree of eccentricity, radial rake and tangential tilt to exist, make not only the screen(ing) machine body on the circular motion of level but also the moving up and down of the vertical direction that superposes, thereby realize that the screen(ing) machine body can do three-dimensional space motion.
The decision of the parameter of three-dimensional space motion is sized out the precision and the output of material, and the parameter of three-dimensional space motion changes with the size of rotary speed, the crank degree of eccentricity, radial rake and tangential tilt.The Oscillation Amplitude of the size decision screen(ing) machine body of the speed of rigidity crank axle (being first c1-2 among Fig. 1 in the present embodiment) rotation and the degree of eccentricity and the acceleration of material; The size of tangential tilt is determining material to make the speed of circular motion on screen cloth; The size of radial rake is determining the speed of material from screen cloth mediad border movement.Interaction tangential and radial rake not only makes the material that is sized do a kind of motion of spiral involute on screen cloth, simultaneously, adjustment portfolio ratio adjustment tangential and the radial rake size is sized out the precision and the output (time that portfolio ratio decision material tangential and the radial rake size stops) of material on screen cloth.
Shown in Fig. 2~4, at first, material drops on the screen layer middle position after upper shell intermediate feed mouth a charging.Simultaneously, with the radial rake of the degree of eccentricity of the screen(ing) machine body of motion counterclockwise and screen(ing) machine body make material on screen layer from screen cloth mediad border movement, and the tangential tilt of screen(ing) machine body makes material make circular motion on screen cloth, forms material is made spiral involute in a clockwise direction on screen cloth motion.Therefore, particle producing under the big centrifugal action gradually to border movement, is poured into discharging opening b greater than the material of sieve number, from discharging opening b discharging, and particle is producing under the little centrifugal action less than the material of sieve number, enters the middle position in next sieve chamber by screen cloth, so repeatedly.Have concave cavity when central authorities when material enters basecoat, because cavity has the special construction of indent, material disperses around cavity then with the umbrella form, pours into discharging opening again under action of centrifugal force, from discharging opening c discharging.Need to prove that Fig. 2 only shows among Fig. 1 ground floor screen cloth from top to bottom, Fig. 4 only shows among Fig. 1 the 4th layer of screen cloth from top to bottom.
Because material (particularly easy viscosity, oiliness material) stops up the screen cloth mesh easily, for solving this contradiction, is provided with round brush every layer of screen cloth bottom.As shown in Figure 5, second existing motion of a7 around first c1-2 revolution, the motion of rotation is arranged again, and round brush has used the rotation of second a7 dexterously, the motion that is about to the rotation of second a7 is delivered on the round brush, make round brush produce motion, thereby reach the effect of cleaning one such trash screen around the center of second a7.Specifically; first c1-2 will transmission of power to the second a7 from motor on; make second a7 produce the existing motion that autobiography is arranged again around first c1-2 revolution; and the rubber coupling S2 that second a7 may cause gear to damage because of overload by power transmission shaft S1, protection; gearbox S3 and power transmission shaft S5 with transmission of power to the brush holder S4 that has round brush; brush holder S4 then drives round brush and produces circular motion around second a7 center, reaches the effect of cleaning one such trash screen.Simultaneously, enter next screen cloth, collet S6 and material retaining hood S7 are set for preventing unsized material.
Fig. 6 is the function relation figure between each main motion parameter (number of plies of screen cloth, the eccentricity value of motor and rotating speed) of the screening machine of utility model embodiment.
The above only is an embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.

Claims (10)

1. screening machine, it comprises screen(ing) machine body (C) and power set (A), and described power set (A) comprise motor (a1) at least, it is characterized in that, described screen(ing) machine body (C) bottom is provided with elastic draw bar (B), and described screen(ing) machine body (C) has the degree of eccentricity, radial rake and tangential tilt.
2. screening machine as claimed in claim 1 is characterized in that, described elastic draw bar (B) is 8, evenly is arranged on described screen(ing) machine body (C) bottom in couples.
3. screening machine as claimed in claim 1, it is characterized in that described power set (A) also comprise small pulley (a2), narrow V belt (a4), big belt wheel (a5), biserial angular contact bearing (a6), second (a7), bearing block (a8), bearing (a9) and cylinder roller bearing (a10); Wherein, described second (a7) is contained in the described bearing block (a8) that is provided with described biserial angular contact bearing (a6) and cylinder roller bearing (a10), be fixed on then in the described bearing (a9), described motor (a1) drives big belt wheel (a5) by small pulley (a2), narrow V belt (a4), to drive screen(ing) machine body (C).
4. screening machine as claimed in claim 3 is characterized in that, described screen(ing) machine body (C) comprises PTO (c1), middle cylinder body (c2), upper shell (c3), pressure ring (c4), screen cloth (c1-3) and pull bar (c5); Described PTO (c1) is equipped with single-row tapered roller bearing (c1-1) and can regulates first (c1-2) of the degree of eccentricity, radial rake, tangential tilt, described PTO (c1) is connected with described second (a7), to drive described middle cylinder body (c2), pressure ring (c4), upper shell (c3) and screen cloth (c1-3), described PTO (c1) is connected with described middle cylinder body (c2), pressure ring (c4), upper shell (c3), screen cloth (c1-3) by pull bar (c5).
5. screening machine as claimed in claim 3 is characterized in that, described screen cloth (c1-3) number of plies is 1~5 layer.
6. screening machine as claimed in claim 5 is characterized in that, the number of plies of described screen cloth (c1-3) is 4 layers.
7. screening machine as claimed in claim 4 is characterized in that, described first (c1-2) is positioned at described second (a7) top, on described second (a7) plate (a7-1) is housed.
8. screening machine as claimed in claim 7 is characterized in that, described plate (a7-1) is provided with first balancing weight (a11).
9. screening machine as claimed in claim 3 is characterized in that, the top of described narrow V belt (a4) is provided with second balancing weight (a3).
10. as the described screening machine of claim 1~9, it is characterized in that described screen cloth (c1-3) bottom is provided with round brush.
CN2009202760511U 2009-12-04 2009-12-04 Screen grader Expired - Lifetime CN201565418U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202760511U CN201565418U (en) 2009-12-04 2009-12-04 Screen grader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202760511U CN201565418U (en) 2009-12-04 2009-12-04 Screen grader

Publications (1)

Publication Number Publication Date
CN201565418U true CN201565418U (en) 2010-09-01

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Application Number Title Priority Date Filing Date
CN2009202760511U Expired - Lifetime CN201565418U (en) 2009-12-04 2009-12-04 Screen grader

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CN (1) CN201565418U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107812699A (en) * 2017-10-30 2018-03-20 许锦翔 A kind of sewage disposal prepares screening machine with quartz sand filter media
CN112122122A (en) * 2020-08-28 2020-12-25 安徽雪域燕果食品有限公司 Raisin impurity removal and separation equipment and processing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107812699A (en) * 2017-10-30 2018-03-20 许锦翔 A kind of sewage disposal prepares screening machine with quartz sand filter media
CN112122122A (en) * 2020-08-28 2020-12-25 安徽雪域燕果食品有限公司 Raisin impurity removal and separation equipment and processing method thereof

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Granted publication date: 20100901