CN104044223B - Energy-saving efficient plastic granulator - Google Patents
Energy-saving efficient plastic granulator Download PDFInfo
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- CN104044223B CN104044223B CN201410186797.9A CN201410186797A CN104044223B CN 104044223 B CN104044223 B CN 104044223B CN 201410186797 A CN201410186797 A CN 201410186797A CN 104044223 B CN104044223 B CN 104044223B
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Abstract
The invention discloses energy-saving efficient plastic granulator, feeding spiro rod rotates setting in feed cylinder, scraper plate rotates setting in granulation extruding cavity, the inner tube wall that scraper plate cylindrical arranges scraper block and extrusion die cylinder is pressed close to, the barrel of extrusion die cylinder arranges extrusion cavities, the cutoff tool of rotation is set at the outer tube wall of extrusion die cylinder, it is characterized in that: the inner tube wall of described feed cylinder is arranged many vertical ribs, vertical rib runs through whole feed cylinder height from top to bottom, the tip circle of vertical rib matches with the cylindrical of feeding spiro rod, adjacent vertical rib and feed cylinder inner tube wall, cross space between feeding spiro rod cylindrical and form feed cylinder inner air circulation canal.The present invention utilizes scraper block to roll material and produces heat thawing material to carry out plastic granulating, the course of work can smooth and easyly be vented all the time, unique scraper plate design avoids material hot-spot to hinder heat trnasfer, and blanking, feeding realize automatically controlling, guarantee that whole granulation process normally carries out and has high granulation quality at a high speed.
Description
Technical field
The present invention relates to a kind of plastics machinery, be specifically related to a kind of plastic granulator of energy-saving efficient.
Background technology
Plastic granulator is a kind of equipment plastic raw materials being made plastic pellet.Substantially be all adopt electrical heating extrusion way to carry out plastic granulating in the market, namely plastic raw materials is added in horizontal barrel, plastic raw materials is carried out high temperature melt by surperficial large power, electrically heating by barrel, then carried out feeding and thawing plastics are extruded outward from die head being extruded into slice by a long screw rod in barrel, then cut into plastic pellet by blade after slice water cooling.Above-mentioned comminutor power consumption is large, volume is large, for overcoming the deficiencies in the prior art, applicant started in 2011 the plastic granulator researching and developing a kind of brand new, and applied for multinomial patent, application is at first the patent No. 201110204868.x of application on July 21st, 2011, the patent of denomination of invention " a kind of comminutor ", in this patented technology, with waste plastics film material for raw material, first film material is broken into the fragment that area is not more than 1cmx1cm, then be fed in granulation extruding cavity through feeding spiro rod, when the scraper plate in granulation extruding cavity rotates, scraper block rolls material and produces heat thawing material and extruded outward by the extrusion cavities of material from extrusion die cylinder, then the plastics slice extruded directly is cut off by the cutoff tool outside extrusion die cylinder becomes plastic pellet.Because the comminutor of above-mentioned patented technology does not adopt electrical heating, so can have more than 30% energy-conservation, but, also there is many deficiencies in above-mentioned patented product in the process of introducing to the market, wherein mainly comprise: 1. when feeding spiro rod carries out feeding, due to material piece shape shape, so intermediate gaps is very large, there is large quantity of air, can upwards discharge at feeding earlier part air, but become fine and close at feeding later stage material, air just can not upwards carry out discharging can only discharge from the extrusion cavities of extrusion die cylinder, and the extrusion cavities of extrusion die cylinder is blocked by material often, when particularly comminutor is just started working, the material blocking extrusion cavities is hard, so air cannot be discharged, because the not smooth air of exhaust gets lodged in the bottom of feed cylinder, so often there will be feeding difficulty or send the situation of not blanking at all, thus cause granulation not implement or speed very slow, and there is bubble in plastic pellet and make granulation of poor quality, 2. existing scraper plate design is perfect not, scraper block often makes material hot-spot and is extruded by the rapid extrusion cavities from extrusion die cylinder rolling the heat produced in material process, and around material can not get due heat, namely hinder the reasonable transmission of heat, thus cause granulation speed not high, 3. in whole granulation process, blanking, feeding all can not control automatically, when often having blanking many feedings load heavy even block or the few feeding load of blanking sometimes light, the whole course of work is unstable, also has a strong impact on granulation speed and granulate quality.
Summary of the invention
For the deficiencies in the prior art; the object of the invention is to be that providing one to utilize scraper block to roll material produces heat thawing material to carry out plastic granulating; the course of work can smooth and easyly be vented all the time; unique scraper plate design avoids material hot-spot to hinder heat trnasfer; and blanking, feeding realize automatically controlling, guarantee that whole granulation process normally carries out at a high speed and has the energy-saving efficient plastic granulator of high granulation quality.
The present invention implements by the following technical programs:
Energy-saving efficient plastic granulator, comprise feeding spiro rod, scraper plate and head tank setting up and down, feed cylinder and extrusion die cylinder, feeding spiro rod rotates to arrange and is driven by mair motor in feed cylinder, the upper end of feeding spiro rod extend in head tank, extrusion die cylinder and corresponding mould cylinder top board cross granulation extruding cavity together with mould tube end plate below the outlet of feed cylinder, described scraper plate rotates and arranges and be fixedly connected with feeding spiro rod in granulation extruding cavity, upper surface and the mould cylinder top board of scraper plate are pressed close to, lower surface and the mould tube end plate of scraper plate are pressed close to, the inner tube wall that scraper plate cylindrical arranges scraper block and extrusion die cylinder is pressed close to, the barrel of extrusion die cylinder arranges extrusion cavities, when scraper plate rotates, scraper block rolls after material melts by material and extrudes outward from extrusion cavities, at the outer tube wall of extrusion die cylinder, the cutoff tool rotated around extrusion die cylinder cylindrical is set, it is characterized in that: the inner tube wall of described feed cylinder is arranged many vertical ribs, vertical rib runs through whole feed cylinder height from top to bottom, the tip circle of vertical rib matches with the cylindrical of feeding spiro rod, adjacent vertical rib and feed cylinder inner tube wall, cross space between feeding spiro rod cylindrical and form feed cylinder inner air circulation canal.The upper part of described vertical rib exceeds feed cylinder top.
After adopting technique scheme; because feed cylinder is provided with through air circulation duct and exhaust passage in whole altitude range; so during comminutor work; the feeding spiro rod air that extruding plastic film fragments material is extruded when feeding outwards can be drained in time swimmingly by air circulation duct; even if at this moment the extrusion cavities of extrusion die cylinder is blocked by material completely; do not affect the feeding of feeding spiro rod, thus effectively ensure that whole granulation process normally carries out and has high granulation quality at a high speed yet.
As preferably, described scraper plate by circumferencial direction stagger 180 degree arrange two scraper blade form, the outer blade face of scraper blade is gradually open form curved surface, and described scraper block is arranged on the outer blade face of scraper blade, scraper block roll the outer blade face that working face protrudes from scraper blade in radial directions; The clearance distance rolling working face and extrusion die cylinder inner tube wall of described scraper block is adjustable, and scraper block in scraper blade, is provided with adjustment pad by screw lock between scraper block and scraper blade.The outer blade face of described scraper blade is provided with arc nest groove in the anterior position near scraper block, and arc nest groove forms a little material lagging chamber on the outer blade face of scraper blade.
After adopting technique scheme, the situation of material hot-spot effectively can be improved from two aspects, 1. the clearance distance rolling working face and extrusion die cylinder inner tube wall of scraper block is adjustable, clearance distance is little, friction between scraper block and material is large, easily cause material hot-spot, clearance distance is large, friction between scraper block and material is little, excess calories dispersed material is easily caused effectively not melt and granulation work can not be carried out, so by regulating clearance distance that the frictional heat between scraper block and material can be made to be in a suitable level, material hot-spot is there will not be to take away too many heat, heat rationally can not transmit and affect granulation speed, 2. an arc nest groove is set on the outer blade face of the scraper blade near scraper block front, this arc nest groove plays the effect in material lagging chamber, when can relax scraper plate high-speed rotation scraper blade gradually open form siphonal lobe in the face of the continuous extrusion of material, material in this arc nest groove is due to close scraper block, so the heat transmitted can be obtained the soonest, be beneficial to dispersion and the transmission of heat, effectively avoid material hot-spot, make spread heat reasonable, improve granulation speed.
As preferably, the bottom of described head tank is provided with blanking volume control device, blanking volume control device comprises fixing orifice plate, removable orifice plate and YE, fixing orifice plate isolating head tank up and down, the bottom surface that fixing orifice plate is located in removable orifice plate activity is driven by YE, and the control element of YE is be installed on the temperature sensor below described mould tube end plate.
After adopting technique scheme, blanking just achieves automatic control, when the temperature that mould tube end plate experienced by temperature sensor rises to certain value, illustrate that in granulation extruding cavity, material is too much, heavier loads, at this moment just need notifying that YE action makes the material-dropping hole of fixing orifice plate and removable orifice plate towards staggering direction relative motion, reducing material blanking amount; When the temperature that mould tube end plate experienced by temperature sensor drops to certain value, illustrate that in granulation extruding cavity, material is very few, load is too light, at this moment just need notify that YE action makes the material-dropping hole of fixing orifice plate and removable orifice plate towards alignment direction relative motion, strengthens the blanking amount of material; Make the granulation process of comminutor keep stable, guarantee that whole granulation process normally carries out and has high granulation quality at a high speed.
For enabling blanking smooth and easy by fixing orifice plate and removable orifice plate, present invention employs following technical scheme: in described head tank, establish blanking fishback, blanking fishback is upwards connected with small machine by vertical pivot, and blanking fishback to rotate setting near fixing orifice plate above fixing orifice plate.
For making blanking there will not be local accumulation when entering feeding spiro rod, present invention employs following technical scheme: drive the mair motor of described feeding spiro rod to be positioned on the base of plastic granulator, the top fixed installation spice oar of feeding spiro rod.
For avoiding continuous operation to cause the overheated of granulation extruding cavity, present invention employs following technical scheme: cyclic water channel is established in described mould tube end plate inside.
Further, for realizing the automatic control of feeding, present invention employs following technical scheme: described mould cylinder top board inside establishes pressure sensor to stretch into granulation extruding cavity, and pressure sensor is electrically connected with mair motor control system.Operation principle is: when the pressure in granulation extruding cavity is large, illustrate that in granulation extruding cavity, material is too much, heavier loads, at this moment just can notify that mair motor reduces the feeding speed that rotating speed slows down feeding spiro rod, pressure hour in granulation extruding cavity, illustrate that in granulation extruding cavity, material is very few, load is lighter, at this moment then can notify that mair motor increases the feeding speed that rotating speed improves feeding spiro rod, together with feeding controls automatically to control with blanking automatically, guarantee that whole granulation process normally carries out and has high granulation quality at a high speed.
In sum; plastic granulator of the present invention; utilize scraper block to roll material and produce heat thawing material to carry out plastic granulating; have considerable energy-saving effect, the course of work can smooth and easyly be vented all the time simultaneously, and unique scraper plate design avoids material hot-spot to hinder heat trnasfer; and blanking, feeding realize automatically controlling; realize whole granulation process normal (efficiently) at a high speed carry out and have high granulation quality, compared with prior art, there is outstanding substantive distinguishing features and significant progress.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the partial enlarged drawing of Fig. 1,
Fig. 3 be in Fig. 1 feed cylinder and feeding spiro rod overlook directional diagram,
Fig. 4 be in Fig. 1 extrusion die cylinder and scraper plate overlook directional diagram,
Fig. 5 is the A-A view of Fig. 4,
Fig. 6 be fix orifice plate in Fig. 1 overlook directional diagram,
Fig. 7 be in Fig. 1 removable orifice plate overlook directional diagram.
Detailed description of the invention
As shown in the figure, energy-saving efficient plastic granulator of the present invention, comprise feeding spiro rod 5, scraper plate 11 and head tank 2 setting up and down, feed cylinder 7 and extrusion die cylinder 9, feeding spiro rod 5 rotates to arrange and is driven by mair motor 15 in feed cylinder 7, mair motor 15 is positioned on base 14, the upper end of feeding spiro rod 5 extend in head tank 2, the top fixed installation spice oar 4 of feeding spiro rod 5, extrusion die cylinder 9 and corresponding mould cylinder top board 8 cross granulation extruding cavity 25 together with mould tube end plate 12 below the outlet of feed cylinder 7, described scraper plate 11 rotates and arranges and be fixedly connected with feeding spiro rod 5 in granulation extruding cavity 25, upper surface and the mould cylinder top board 8 of scraper plate 11 are pressed close to, lower surface and the mould tube end plate 12 of scraper plate 11 are pressed close to, scraper plate 11 cylindrical arranges scraper block 26 and presses close to the inner tube wall of extrusion die cylinder 9, the barrel of extrusion die cylinder 9 arranges extrusion cavities 9a, when scraper plate 11 rotates, scraper block 26 rolls after material melts by material and extrudes outward from extrusion cavities 9a, at the outer tube wall of extrusion die cylinder 9, the cutoff tool 10 rotated around extrusion die cylinder 9 cylindrical is set, cutoff tool 10 is driven by motor 16, the inner tube wall of described feed cylinder 7 is arranged four vertical ribs 6, vertical rib 6 runs through whole feed cylinder 7 height from top to bottom, the upper part of vertical rib 6 exceeds feed cylinder 7 top, the tip circle of vertical rib 6 matches with the cylindrical of feeding spiro rod 5, crosses space and form feed cylinder inner air circulation canal 19 between adjacent vertical rib 6 and feed cylinder 7 inner tube wall, feeding spiro rod 5 cylindrical, described scraper plate 11 by circumferencial direction stagger 180 degree arrange two scraper blade form, the outer blade face of scraper blade is gradually open form curved surface, described scraper block 26 is arranged on the outer blade face of scraper blade, scraper block 26 roll the outer blade face that working face protrudes from scraper blade in radial directions, the clearance distance rolling working face and extrusion die cylinder 9 inner tube wall of described scraper block 26 is adjustable, scraper block 26 is locked in scraper blade by screw 28, be provided with between scraper block 26 and scraper blade and adjust pad 27, the outer blade face of described scraper blade is provided with arc nest groove 24 in the anterior position near scraper block 26, and arc nest groove 24 forms a little material lagging chamber on the outer blade face of scraper blade, the bottom of described head tank 2 is provided with blanking volume control device, blanking volume control device comprises fixing orifice plate 22, removable orifice plate 21 and YE 20, fixing orifice plate 22 isolating head tank 2 up and down, the removable orifice plate 21 activity bottom surface of being located at fixing orifice plate 22 also can manual operation by YE 20() drive, the control element of YE 20 is be installed on the temperature sensor 13 below described mould tube end plate 12, establish blanking fishback 3 in described head tank 2, blanking fishback 3 is upwards connected with small machine 23 by vertical pivot 1, and blanking fishback 3 to rotate setting near fixing orifice plate 22 above fixing orifice plate 22, cyclic water channel 17 is established in described mould tube end plate 12 inside, described mould cylinder top board 8 inside establishes pressure sensor 18 to stretch into granulation extruding cavity 25, and pressure sensor 18 is electrically connected with mair motor 15 control system.
The course of work of the present invention is: entered in head tank 2 by the plastic sheeting broken into pieces from head tank 2 entrance, fall on fixing orifice plate 22, under the comb of blanking fishback 3 is dynamic, film fragments is smooth and easy by fixing orifice plate 22 and removable orifice plate 21, subsequently under the mixing of spice oar 4, evenly fall the upper end of feeding spiro rod 5, in feed cylinder 7, under the continuous rotation of feeding spiro rod 5, film fragments is constantly extruded becomes fine and close, the air that extrusion film fragment is extruded outwards can be drained in time swimmingly by air circulation duct 19, when to be delivered to the granulation extruding cavity 25 in extrusion die cylinder 9 by feeding spiro rod 5 when material, under the effect of scraper plate 11 high-speed rotation, scraper block 26 rolls material and produces heat thawing material and extruded outward by the extrusion cavities 9a of material from extrusion die cylinder, the plastics slice extruded directly is cut off by the cutoff tool 10 outside extrusion die cylinder 9 becomes plastic pellet.In above-mentioned pelletization, temperature sensor 13 is experienced the temperature of mould tube end plate 12 and then is controlled the action of YE 20, automatically controls blanking; Pressure sensor 18 is experienced the pressure in granulation extruding cavity 25 and then is controlled the rotating speed of mair motor 15, automatically controls feeding.Due to the controlled and coordination of parts key parameter each in whole granulation process, make the granulation process of comminutor keep stable, guarantee that whole granulation process normally carries out and has high granulation quality at a high speed.
Claims (9)
1. energy-saving efficient plastic granulator, comprise feeding spiro rod (5), scraper plate (11) and head tank setting up and down (2), feed cylinder (7) and extrusion die cylinder (9), feeding spiro rod (5) rotates to arrange and is driven by mair motor (15) in feed cylinder (7), the upper end of feeding spiro rod (5) extend in head tank (2), extrusion die cylinder (9) and accordingly mould cylinder top board (8) and mould tube end plate (12) cross granulation extruding cavity (25) together below the outlet of feed cylinder (7), described scraper plate (11) rotates and arranges and be fixedly connected with feeding spiro rod (5) in granulation extruding cavity (25), upper surface and the mould cylinder top board (8) of scraper plate (11) are pressed close to, lower surface and the mould tube end plate (12) of scraper plate (11) are pressed close to, scraper plate (11) cylindrical arranges scraper block (26) and presses close to the inner tube wall of extrusion die cylinder (9), the barrel of extrusion die cylinder (9) arranges extrusion cavities (9a), when scraper plate (11) rotates, scraper block (26) rolls after material melts by material and extrudes outward from extrusion cavities (9a), at the outer tube wall of extrusion die cylinder (9), the cutoff tool (10) rotated around extrusion die cylinder (9) cylindrical is set, it is characterized in that: the inner tube wall of described feed cylinder (7) is arranged many vertical ribs (6), vertical rib (6) runs through whole feed cylinder (7) highly from top to bottom, the tip circle of vertical rib (6) matches with the cylindrical of feeding spiro rod (5), adjacent vertical rib (6) and (7) barrel in feed cylinder, cross space between feeding spiro rod (5) cylindrical and form feed cylinder inner air circulation canal (19).
2. energy-saving efficient plastic granulator as claimed in claim 1, is characterized in that: the upper part of described vertical rib (6) exceeds feed cylinder (7) top.
3. energy-saving efficient plastic granulator as claimed in claim 1, it is characterized in that: described scraper plate (11) by circumferencial direction stagger 180 degree arrange two scraper blade form, the outer blade face of scraper blade is gradually open form curved surface, described scraper block (26) is arranged on the outer blade face of scraper blade, scraper block (26) roll the outer blade face that working face protrudes from scraper blade in radial directions; The clearance distance rolling working face and extrusion die cylinder (9) inner tube wall of described scraper block (26) is adjustable, and scraper block (26) is locked in scraper blade by screw (28), is provided with and adjusts pad (27) between scraper block (26) and scraper blade.
4. energy-saving efficient plastic granulator as claimed in claim 3; it is characterized in that: the outer blade face of described scraper blade is provided with arc nest groove (24) in the anterior position near scraper block (26), and arc nest groove (24) forms a little material lagging chamber on the outer blade face of scraper blade.
5. energy-saving efficient plastic granulator as claimed in claim 1, it is characterized in that: the bottom of described head tank (2) is provided with blanking volume control device, blanking volume control device comprises fixing orifice plate (22), removable orifice plate (21) and YE (20), fixing orifice plate (22) isolating head tank (2) up and down, the bottom surface that fixing orifice plate (22) is located in removable orifice plate (21) activity is driven by YE (20), the control element of YE (20) is for being installed on the temperature sensor (13) of described mould tube end plate (12) below.
6. energy-saving efficient plastic granulator as claimed in claim 5; it is characterized in that: in described head tank (2), establish blanking fishback (3); blanking fishback (3) is upwards connected with small machine (23) by vertical pivot (1), and blanking fishback (3) to rotate setting near fixing orifice plate (22) in the top of fixing orifice plate (22).
7. energy-saving efficient plastic granulator as claimed in claim 5, is characterized in that: drive the mair motor of described feeding spiro rod (5) (15) to be positioned on the base (14) of plastic granulator, top fixed installation spice oar (4) of feeding spiro rod (5).
8. energy-saving efficient plastic granulator as claimed in claim 1, is characterized in that: cyclic water channel (17) is established in described mould tube end plate (12) inside.
9. energy-saving efficient plastic granulator as claimed in claim 1, is characterized in that: described mould cylinder top board (8) inside establishes pressure sensor (18) to stretch into granulation extruding cavity (25), and pressure sensor (18) is electrically connected with mair motor (15) control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186797.9A CN104044223B (en) | 2014-05-06 | 2014-05-06 | Energy-saving efficient plastic granulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410186797.9A CN104044223B (en) | 2014-05-06 | 2014-05-06 | Energy-saving efficient plastic granulator |
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| CN104044223A CN104044223A (en) | 2014-09-17 |
| CN104044223B true CN104044223B (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395641A (en) * | 2018-11-27 | 2019-03-01 | 柳倩 | A kind of medical material processing unit (plant) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514892A (en) * | 2016-12-04 | 2017-03-22 | 重庆精榜高分子材料有限公司 | Plastic particle forming device |
| CN107571421A (en) * | 2017-09-26 | 2018-01-12 | 浙江欧力机械有限公司 | With broken film functional plastics granulator |
| CN109747064A (en) * | 2019-02-18 | 2019-05-14 | 东莞市合辰实业有限公司 | A kind of plastic cement production Granulation Equipments with high granulation efficiency |
| CN111645221A (en) * | 2020-06-05 | 2020-09-11 | 福建亚通新材料科技股份有限公司 | High-efficient environment-friendly plastics granulation equipment |
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| DE3227443C1 (en) * | 1982-07-22 | 1984-02-09 | Windmöller & Hölscher, 4540 Lengerich | Funnel piece of a single-screw extrusion press |
| CN201676290U (en) * | 2010-04-02 | 2010-12-22 | 江世元 | Vertical rotating extruder |
| CN102294766A (en) * | 2011-07-21 | 2011-12-28 | 瑞安市欧力机械有限公司 | Granulator |
| CN102513194A (en) * | 2011-12-28 | 2012-06-27 | 山东豪迈机械科技股份有限公司 | Rubber crusher |
| CN203779726U (en) * | 2014-05-06 | 2014-08-20 | 瑞安市欧力机械有限公司 | Energy-saving high-efficiency plastic granulator |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3227443C1 (en) * | 1982-07-22 | 1984-02-09 | Windmöller & Hölscher, 4540 Lengerich | Funnel piece of a single-screw extrusion press |
| CN201676290U (en) * | 2010-04-02 | 2010-12-22 | 江世元 | Vertical rotating extruder |
| CN102294766A (en) * | 2011-07-21 | 2011-12-28 | 瑞安市欧力机械有限公司 | Granulator |
| CN102513194A (en) * | 2011-12-28 | 2012-06-27 | 山东豪迈机械科技股份有限公司 | Rubber crusher |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109395641A (en) * | 2018-11-27 | 2019-03-01 | 柳倩 | A kind of medical material processing unit (plant) |
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