CN203779726U - Energy-saving high-efficiency plastic granulator - Google Patents

Energy-saving high-efficiency plastic granulator Download PDF

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Publication number
CN203779726U
CN203779726U CN201420226735.1U CN201420226735U CN203779726U CN 203779726 U CN203779726 U CN 203779726U CN 201420226735 U CN201420226735 U CN 201420226735U CN 203779726 U CN203779726 U CN 203779726U
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CN
China
Prior art keywords
energy
scraper
plastic granulator
scraper plate
feeding
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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.)
Withdrawn - After Issue
Application number
CN201420226735.1U
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Chinese (zh)
Inventor
张金伍
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RUIAN OULI MACHINE CO Ltd
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RUIAN OULI MACHINE CO Ltd
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Priority to CN201420226735.1U priority Critical patent/CN203779726U/en
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Publication of CN203779726U publication Critical patent/CN203779726U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses an energy-saving high-efficiency plastic granulator. A feeding screw is rotatably arranged in a feeding barrel, a scraping plate is rotatably arranged in a granulation extrusion cavity, a material scraping block is arranged on the outer circle of the scraping plate and is close to the inner barrel wall of an extrusion mold barrel, an extrusion hole is formed in the barrel wall of the extrusion mold barrel, and a rotary cut-off tool is arranged on the outer barrel wall of the extrusion mold barrel. The energy-saving high-efficiency plastic granulator is characterized in that a plurality of vertical ribs are arranged on the inner barrel wall of the feeding barrel and run through the whole feeding barrel from top to bottom, the top circles of the vertical ribs are matched with the outer circle of the feeding screw, and a space formed by enclosure of the adjacent vertical ribs, the inner barrel wall of the feeding barrel and the outer circle of the feeding screw forms a feeding barrel inner space circulation channel. The energy-saving high-efficiency plastic granulator has the advantages that heat generated when the material scraping block is used for grinding materials is used for melting the materials so as to carry out plastic granulation, exhausting is smooth all the time in a working process, the unique scraping plate design is capable of preventing the materials from being locally overheated to hinder heat transfer, automatic control on blanking and feeding is realized, the normal operation and high speed of the energy-saving high-efficiency plastic granulator are ensured in the whole granulation process, and the energy-saving high-efficiency plastic granulator has high granulation quality.

Description

Energy-saving efficient plastic granulator
Technical field
The utility model relates to a kind of plastics machinery, is specifically related to a kind of plastic granulator of energy-saving efficient.
background technology
Plastic granulator is a kind of equipment of plastic raw materials being made to plastic pellet.Substantially be all to adopt electrical heating extrusion way to carry out plastic granulating in the market, be that plastic raw materials is added in horizontal barrel, barrel carries out high temperature melt by surperficial large power, electrically heating by plastic raw materials, then by a long screw rod in barrel, carry out feeding and thawing plastics are extruded outward and are extruded into slice from die head, then after slice water cooling, by blade, cutting into plastic pellet.Above-mentioned comminutor power consumption is large, volume is large, for overcoming the deficiencies in the prior art, applicant started to research and develop a kind of plastic granulator of brand new in 2011, and applied for multinomial patent, application is at first the patent No. 201110204868.x of application on July 21st, 2011, the patent of a denomination of invention < < comminutor > >, in this patented technology, take waste plastics film material as raw material, first film material is broken into the fragment that area is not more than 1cm x 1cm, then in feeding spiro rod is fed to granulation extruding cavity, when the scraper plate in granulation extruding cavity rotates, scraper piece rolls material and produces heat thawing material and material is extruded outward from the extrusion cavities of extrusion die cylinder, then the plastics slice of extruding is directly cut off and is become plastic pellet by the cutoff tool outside extrusion die cylinder.Because the comminutor of above-mentioned patented technology does not adopt electrical heating, so can there be more than 30% energy-conservation, but, in the process of introducing to the market, also there is many deficiencies in above-mentioned patented product, 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, at feeding initial stage part air, can upwards discharge, but become fine and close at feeding later stage material, air just can not upwards be discharged and can only be discharged from the extrusion cavities of extrusion die cylinder, and the extrusion cavities of extrusion die cylinder is blocked by material often, when particularly comminutor has just been started working, the material of blocking extrusion cavities is hard, so air cannot be discharged, because the 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, thereby cause granulation can not implement or speed very slow, and in plastic pellet, exist bubble to make granulation of poor quality, 2. existing scraper plate design is perfect not, the heat that scraper piece produces in rolling material process often makes material hot-spot and from the extrusion cavities of extrusion die cylinder, is extruded rapidly, and around material can not get due heat, hindered the reasonable transmission of heat, thereby caused granulation speed not high, 3. in whole granulation process, blanking, feeding all can not be controlled automatically, while often having many feedings of blanking 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 purpose of this utility model is to be to provide a kind of to utilize scraper piece to roll material to produce heat and melt material and carry out plastic granulating; the course of work all the time can smooth and easy exhaust; unique scraper plate design avoids material hot-spot to hinder heat transmission; and blanking, feeding realize automatically and controlling, guarantee the normal energy-saving efficient plastic granulator that carries out and have at a high speed high granulation quality of whole granulation process.
The utility model is implemented 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 main 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, the upper surface of scraper plate and mould cylinder top board are pressed close to, the lower surface of scraper plate and mould tube end plate are pressed close to, scraper plate cylindrical arranges the inner tube wall of scraper piece and extrusion die cylinder and presses close to, the barrel of extrusion die cylinder arranges extrusion cavities, when scraper plate rotates, scraper piece rolls after material melts material and extrudes outward from extrusion cavities, the cutoff tool rotating around extrusion die cylinder cylindrical in the outer tube wall setting of extrusion die cylinder, it is characterized in that: many vertical ribs are set on the inner tube wall of described feed cylinder, vertical rib runs through whole feed cylinder height from top to bottom, the vertical tip circle of rib and the cylindrical of feeding spiro rod match, adjacent vertical rib and feed cylinder inner tube wall, between feeding spiro rod cylindrical, cross space and form feed cylinder inner air circulation canal.The upper part of described vertical rib exceeds feed cylinder top.
Adopt after technique scheme; the air circulation duct that is provided with perforation due to feed cylinder in whole altitude range is exhaust passage; so during comminutor work; the feeding spiro rod air that extruding plastic film fragments material is extruded when feeding can outwards 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; also do not affect the feeding of feeding spiro rod, thereby effectively guaranteeing that whole granulation process is normal carries out at a high speed and has a high granulation quality.
As preferably, described scraper plate is comprised of stagger two scraper plate blades of 180 degree settings of circumferencial direction, the outer blade face of scraper plate blade is open form curved surface gradually, and described scraper piece arranges on the outer blade face of scraper plate blade, scraper piece roll working face on the outer blade face that protrudes from the radial direction scraper plate blade; The clearance distance that rolls working face and extrusion die cylinder inner tube wall of described scraper piece is adjustable, and scraper piece on scraper plate blade, is provided with adjustment pad between scraper piece and scraper plate blade by screw lock.The outer blade face of described scraper plate blade is provided with arc nest groove in the anterior position near scraper piece, and arc nest groove forms a little material lagging chamber on the outer blade face of scraper plate blade.
Adopt after technique scheme, can effectively improve from two aspects the situation of material hot-spot, 1. the clearance distance that rolls working face and extrusion die cylinder inner tube wall of scraper piece is adjustable, clearance distance is little, friction between scraper piece and material is large, easily cause material hot-spot, clearance distance is large, friction between scraper piece and material is little, easily cause the excessive dispersed material of heat effectively not melt and granulation work can not be carried out, so by regulating clearance distance can make frictional heat between scraper piece and material in a suitable level, there will not be material hot-spot to take away too many heat, heat can not rationally transmit and affect granulation speed, 2. outside the scraper plate blade near scraper piece the place ahead, on blade face, an arc nest groove is set, this arc nest groove plays the effect in material lagging chamber, in the time of can relaxing scraper plate high speed rotating scraper plate blade gradually open form siphonal lobe in the face of the lasting extruding of material, material in this arc nest groove is due to close scraper piece, so can obtain the soonest the heat transmitting, 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 fixedly orifice plate, removable orifice plate and YE, fixing orifice plate isolating up and down head tank, removable orifice plate activity is located at the fixedly bottom surface of orifice plate and is driven by YE, and the control element of YE is the temperature sensor that is installed on described mould tube end plate below.
Adopt after technique scheme, blanking has just been realized automatic control, when the temperature of experiencing mould tube end plate when temperature sensor rises to certain value, illustrate that in granulation extruding cavity, material is too much, load is heavier, at this moment just need the action of notice YE to make fixedly the direction relative motion of staggering of orifice plate and the material-dropping hole court of removable orifice plate, minimizing material blanking amount; When the temperature of experiencing mould tube end plate when temperature sensor drops to certain value, illustrate that in granulation extruding cavity, material is very few, load is too light, at this moment just needs the action of notice YE to make the material-dropping hole of fixedly orifice plate and removable orifice plate towards alignment direction relative motion, the blanking amount of increasing material; Make the granulation process of comminutor keep stable, guaranteeing that whole granulation process is normal carries out at a high speed and has a high granulation quality.
For making blanking can smooth and easyly pass through fixedly orifice plate and removable orifice plate, the utility model has adopted following technical scheme: in described head tank, establish blanking fishback, blanking fishback is made progress and is connected with small machine by vertical pivot, blanking fishback above fixing orifice plate near the setting that rotates of fixing orifice plate.
For making blanking there will not be local accumulation when entering feeding spiro rod, the utility model has adopted following technical scheme: drive the main motor of described feeding spiro rod to be positioned on the base of plastic granulator, the top of feeding spiro rod fixed installation spice oar.
For avoiding continuous operation to cause the overheated of granulation extruding cavity, the utility model has adopted following technical scheme: cyclic water channel is established in described mould tube end plate inside.
Also have, for realizing the automatic control of feeding, the utility model has adopted following technical scheme: described mould cylinder top board inside is established pressure sensor and stretched into granulation extruding cavity, and pressure sensor is electrically connected to main electric machine control system.Operation principle is: when pressure in granulation extruding cavity is large, illustrate that in granulation extruding cavity, material is too much, load is heavier, at this moment just can notify main motor to reduce 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 can notify main motor to increase the feeding speed that rotating speed improves feeding spiro rod, together with feeding is automatically controlled and automatically controlled with blanking, guaranteeing that whole granulation process is normal carries out at a high speed and has a high granulation quality.
In sum; plastic granulator of the present utility model; utilize scraper piece to roll material generation heat thawing material and carry out plastic granulating; have considerable energy-saving effect, simultaneously the course of work all the time can smooth and easy exhaust, and unique scraper plate design avoids material hot-spot to hinder heat transmission; and blanking, feeding are realized automatically and being controlled; realize whole granulation process normal (efficiently) at a high speed and carry out and have high granulation quality, compared with prior art, there is substantive distinguishing features and progress.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
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 in Fig. 1 fixedly orifice plate overlook directional diagram,
Fig. 7 be in Fig. 1 removable orifice plate overlook directional diagram.
The specific embodiment
As shown in the figure, energy-saving efficient plastic granulator of the present utility model, 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 is driven by main motor 15 in the interior rotation setting of feed cylinder 7, main 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 is in the interior rotation setting of granulation extruding cavity 25 and be fixedly connected with feeding spiro rod 5, the upper surface of scraper plate 11 and mould cylinder top board 8 are pressed close to, the lower surface of scraper plate 11 and mould tube end plate 12 are pressed close to, scraper plate 11 cylindricals arrange scraper piece 26 and press 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 piece 26 rolls after material melts material and extrudes outward from extrusion cavities 9a, the cutoff tool 10 rotating around extrusion die cylinder 9 cylindricals in the outer tube wall setting of extrusion die cylinder 9, cutoff tool 10 is driven by motor 16, four vertical ribs 6 are set on the inner tube wall of described feed cylinder 7, 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 tops, 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 walls, feeding spiro rod 5 cylindricals, described scraper plate 11 is comprised of stagger two scraper plate blades of 180 degree settings of circumferencial direction, the outer blade face of scraper plate blade is open form curved surface gradually, described scraper piece 26 arranges on the outer blade face of scraper plate blade, scraper piece 26 roll working face on the outer blade face that protrudes from the radial direction scraper plate blade, the clearance distance that rolls working face and extrusion die cylinder 9 inner tube walls of described scraper piece 26 is adjustable, scraper piece 26 is locked on scraper plate blade by screw 28, between scraper piece 26 and scraper plate blade, be provided with and adjust pad 27, the outer blade face of described scraper plate blade is provided with arc nest groove 24 in the anterior position near scraper piece 26, and arc nest groove 24 forms a little material lagging chamber on the outer blade face of scraper plate blade, the bottom of described head tank 2 is provided with blanking volume control device, blanking volume control device comprises fixedly orifice plate 22, removable orifice plate 21 and YE 20, fixing orifice plate 22 isolating up and down head tank 2, the bottom surface that fixing orifice plate 22 is located in removable orifice plate 21 activities also can manual operation by YE 20() drive, the control element of YE 20 is the temperature sensor 13 that is installed on described mould tube end plate 12 belows, in described head tank 2, establish blanking fishback 3, blanking fishback 3 is upwards connected with small machine 23 by vertical pivot 1, the setting that rotates of blanking fishback 3 close fixedly 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 are established pressure sensor 18 and are stretched into granulation extruding cavity 25, and pressure sensor 18 is electrically connected to main motor 15 control systems.
The course of work of the present utility model is: the plastic sheeting being broken into pieces enters in head tank 2 from head tank 2 entrances, fall fixedly on orifice plate 22, under the comb of blanking fishback 3 moves, smooth and easy fixedly orifice plate 22 and the removable orifice plate 21 passed through of film fragments, 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 pushed becomes fine and close, the air that extrusion film fragment is extruded can outwards be drained in time swimmingly by air circulation duct 19, when material is delivered to the granulation extruding cavity 25 in extrusion die cylinder 9 by feeding spiro rod 5, under scraper plate 11 high speed rotating effects, scraper piece 26 rolls material and produces heat thawing material and material is extruded outward from the extrusion cavities 9a of extrusion die cylinder, the plastics slice of extruding is directly cut off and is become plastic pellet by the cutoff tool 10 outside extrusion die cylinder 9.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, and blanking is controlled automatically; Pressure sensor 18 is experienced the pressure in granulation extruding cavity 25 and then is controlled the rotating speed of main motor 15, and feeding is controlled automatically.Because each parts key parameter in whole granulation process is controlled and coordination, make the granulation process of comminutor keep stable, guaranteeing that whole granulation process is normal carries out at a high speed and has a high granulation quality.

Claims (9)

1. energy-saving efficient plastic granulator, 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 main motor (15) in feed cylinder (7), the upper end of feeding spiro rod (5) extend in head tank (2), extrusion die cylinder (9) and corresponding mould cylinder top board (8) and mould tube end plate (12) cross granulation extruding cavity (25) in the outlet below of feed cylinder (7) together, described scraper plate (11) rotates and arranges and be fixedly connected with feeding spiro rod (5) in granulation extruding cavity (25), the upper surface of scraper plate (11) and mould cylinder top board (8) are pressed close to, the lower surface of scraper plate (11) and mould tube end plate (12) are pressed close to, scraper plate (11) cylindrical arranges scraper piece (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 piece (26) rolls after material melts material and extrudes outward from extrusion cavities (9a), the cutoff tool (10) rotating around extrusion die cylinder (9) cylindrical in the outer tube wall setting of extrusion die cylinder (9), it is characterized in that: many vertical ribs (6) are set on the inner tube wall of described feed cylinder (7), 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 interior (7) barrel of feed cylinder, between feeding spiro rod (5) cylindrical, cross space 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) is comprised of stagger two scraper plate blades of 180 degree settings of circumferencial direction, the outer blade face of scraper plate blade is open form curved surface gradually, described scraper piece (26) arranges on the outer blade face of scraper plate blade, scraper piece (26) roll working face on the outer blade face that protrudes from the radial direction scraper plate blade; The clearance distance that rolls working face and extrusion die cylinder (9) inner tube wall of described scraper piece (26) is adjustable, and scraper piece (26) is locked on scraper plate blade by screw (28), is provided with and adjusts pad (27) between scraper piece (26) and scraper plate blade.
4. energy-saving efficient plastic granulator as claimed in claim 3; it is characterized in that: the outer blade face of described scraper plate blade is provided with arc nest groove (24) in the anterior position near scraper piece (26), and arc nest groove (24) forms a little material lagging chamber on the outer blade face of scraper plate 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 fixedly orifice plate (22), removable orifice plate (21) and YE (20), fixing orifice plate (22) isolating up and down head tank (2), removable orifice plate (21) activity is located at the fixedly bottom surface of orifice plate (22) and is driven by YE (20), the control element of YE (20) is for being installed on the temperature sensor (13) below described mould tube end plate (12).
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) is in the setting that rotates of the fixing close fixedly orifice plate (22) in top of orifice plate (22).
7. energy-saving efficient plastic granulator as claimed in claim 5, is characterized in that: drive the main motor (15) of described feeding spiro rod (5) to be positioned on the base (14) of plastic granulator, the top of feeding spiro rod (5) fixed installation spice oar (4).
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 is established pressure sensor (18) and stretched into granulation extruding cavity (25), and pressure sensor (18) is electrically connected to main motor (15) control system.
CN201420226735.1U 2014-05-06 2014-05-06 Energy-saving high-efficiency plastic granulator Withdrawn - After Issue CN203779726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420226735.1U CN203779726U (en) 2014-05-06 2014-05-06 Energy-saving high-efficiency plastic granulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420226735.1U CN203779726U (en) 2014-05-06 2014-05-06 Energy-saving high-efficiency plastic granulator

Publications (1)

Publication Number Publication Date
CN203779726U true CN203779726U (en) 2014-08-20

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CN201420226735.1U Withdrawn - After Issue CN203779726U (en) 2014-05-06 2014-05-06 Energy-saving high-efficiency plastic granulator

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104044223A (en) * 2014-05-06 2014-09-17 瑞安市欧力机械有限公司 Energy-saving efficient plastic granulator
CN108094721A (en) * 2017-12-27 2018-06-01 郑州搜趣信息技术有限公司 A kind of livestock-raising rotary-cut type fodder granulating machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104044223A (en) * 2014-05-06 2014-09-17 瑞安市欧力机械有限公司 Energy-saving efficient plastic granulator
CN104044223B (en) * 2014-05-06 2016-01-20 瑞安市欧力机械有限公司 Energy-saving efficient plastic granulator
CN108094721A (en) * 2017-12-27 2018-06-01 郑州搜趣信息技术有限公司 A kind of livestock-raising rotary-cut type fodder granulating machine

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Granted publication date: 20140820

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