EP3934901B1 - Perfected compactor/crusher - Google Patents

Perfected compactor/crusher Download PDF

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Publication number
EP3934901B1
EP3934901B1 EP20753421.5A EP20753421A EP3934901B1 EP 3934901 B1 EP3934901 B1 EP 3934901B1 EP 20753421 A EP20753421 A EP 20753421A EP 3934901 B1 EP3934901 B1 EP 3934901B1
Authority
EP
European Patent Office
Prior art keywords
support plates
rotating tubular
tubular bodies
group
rotation
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.)
Active
Application number
EP20753421.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3934901A1 (en
EP3934901C0 (en
Inventor
Carlo Alberto BAESSO
Carlo VENTURATO
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.)
Eurven Srl
Original Assignee
Eurven Srl
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.)
Filing date
Publication date
Application filed by Eurven Srl filed Critical Eurven Srl
Publication of EP3934901A1 publication Critical patent/EP3934901A1/en
Application granted granted Critical
Publication of EP3934901B1 publication Critical patent/EP3934901B1/en
Publication of EP3934901C0 publication Critical patent/EP3934901C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/32—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
    • B30B9/321—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for consolidating empty containers, e.g. cans
    • B30B9/325—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for consolidating empty containers, e.g. cans between rotary pressing members, e.g. rollers, discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
    • B02C19/0081—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for specially adapted for breaking-up bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/32—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
    • B30B9/326—Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars provided with shearing means for the scrap metal, or adapted to co-operate with a shearing machine

Definitions

  • the invention relates to a compactor/crusher particularly adapted to be used for the compaction and/or crushing of containers of the disposable type, such as for example empty cans of drinks or food, glass or plastic bottles and the like.
  • said machines are substantially constituted by a containment structure, provided with a mouth for loading the material to be compacted, inside which there is a pair of compacting rollers arranged parallel and side by side between them, connected to a motorization group which sets them in rotation according to opposite directions towards the intermediate area defined between the rollers themselves where the disposable containers to be compacted and/or crushed are conveyed.
  • a compacting or crushing machine is known from CN102139239 A .
  • the external surface of the rollers has a series of ribs which prevent the containers from slipping when they rest upon falling on the surface of the rollers.
  • the two rollers are placed at a distance such as to define between them an open intermediate area with adjustable and predefined width which allows the reduction, in a substantially laminar form, of the objects to be compacted as they pass, as is normally the case in the treatment of cans.
  • the action of conveying the containers to be compacted and/or crushed towards the intermediate area of the rollers is favoured by the weight of the containers loaded in the containment structure which generate a more or less high pressure as a function of the load level inside the same structure.
  • pusher means are normally used which act above the load with the aim of increasing the pressure of the containers against the external surfaces of the rollers.
  • the pusher means consist of a plurality of mutually spaced radial rods, associated with a shaft arranged inside each compacting roller and inserted in through openings obtained on the surface of the rollers which thus drag them in rotation.
  • Each shaft constraining the described radial rods is arranged in such a way that its own axis is parallel and does not coincide with the axis of the respective roller in which the shaft itself is inserted.
  • the radial rods by rotating together with the tubular body, convey the containers towards the compaction and/or crushing area, gradually and continuously returning inside the tubular body near the compaction and/or crushing area.
  • a first drawback of the prior art is constituted by the fact that the described compactors/crushers absorb a high electrical power from the mains to which they are connected.
  • the electric motor which drives the compacting rollers, develops sufficient power to compact and/or crush even the parts of the containers that are particularly hard, such as for example the caps of the plastic bottles.
  • the present invention aims to eliminate the drawbacks listed above.
  • a first object of the invention is to realise a compactor/crusher which absorbs an electrical power equal to the one that is normally used in civil and commercial premises.
  • a further object of the invention is to realise a compactor/crusher particularly suitable for use in common commercial establishments, such as for example bars, canteens and restaurants, without having to modify the installed powers and consequently the existing electrical systems.
  • Said compactor is characterized by the fact that it provides for a displacement group configured to allow the elastic movement of mutual distancing and nearing of the support plates of the rotating tubular bodies so as to modify the width of the intermediate compaction and/or crushing area between the tubular bodies, where the displacement group is configured to maintain the parallelism of the rotating tubular bodies during the distancing and nearing movement.
  • a displacement group configured to allow the elastic movement of mutual distancing and nearing of the tubular bodies ensures that, when particularly hard parts of the containers arrive in the compaction area, they cause a mutual distancing of the tubular bodies with no need of engaging a very high power for being compacted and/or crushed.
  • the presence of the displacement group which selects the products to be compacted and/or crushed allowing the passage of the hardest parts between the rollers that would require a more powerful drive motor of the same rollers, ensures that the machine absorbs an electrical power equal to the one that is normally used in civil and commercial premises.
  • the fact that during the mutual displacement of the rotating tubular bodies the parallelism thereof is maintained allows to define a width of the intermediate compaction and/or crushing area that is homogeneous over the entire length of the rotating tubular bodies, and therefore this allows to compact and/or crush the various products uniformly along the entire extension of said length.
  • the compactor/crusher of the invention is shown according to a preferred embodiment in fig. 1 , where it is indicated as a whole with 1.
  • Said compactor/crusher 1 generally comprises a containment structure 2.
  • the containment structure 2 in turn comprises a frame 29, preferably but not necessarily of metal with a mainly vertical development, on the upper part of which there is a loading mouth 3 from which the material B which must be compacted and/or crushed is loaded.
  • a collector 30 adapted to receive the material B once it is compacted and/or crushed.
  • the compactor/crusher 1 of the invention comprises a compaction group 4 in turn comprising a pair of rotating tubular bodies 5 and 6, subsequently identified as the first rotating tubular body 5 and the second rotating tubular body 6, with substantially longitudinal development axes X and X' arranged parallel to each other.
  • a compaction group 4 in turn comprising a pair of rotating tubular bodies 5 and 6, subsequently identified as the first rotating tubular body 5 and the second rotating tubular body 6, with substantially longitudinal development axes X and X' arranged parallel to each other.
  • Each of the aforesaid rotating tubular bodies 5 and 6 is supported at the ends 5a, 5b, 6a and 6b by support plates 7, 8, 9 and 10 connected to the containment structure 2.
  • the rotating tubular bodies 5 and 6 define between them an intermediate compaction and/or crushing area 11, where precisely the material B to be compacted is introduced for the compaction and/or crushing thereof.
  • the compactor/crusher 1 of the invention comprises a motorization group 12 associated with each of the tubular bodies 5 and 6 so as to rotate the latter around its own development axes X and X', usually with opposite rotation directions.
  • the compactor/crusher 1 comprises a displacement group 14 configured to allow the elastic mutual distancing and nearing movement respectively of the support plates 7 and 8 and of the support plates 9 and 10 belonging to the two pairs of support plates 7-8 and 9-10 arranged at the same ends 5a-6a and 5b-6b of the rotating tubular bodies 5 and 6, as can be observed in figs. 4, 5 and 9 , 10 , respectively.
  • the fact that during the mutual displacement of the rotating tubular bodies 5 and 6 the parallelism thereof is maintained allows to define a homogeneous width of the intermediate compaction and/or crushing area 11 over the entire length of the rotating tubular bodies 5 and 6, and therefore this allows the various products to be compacted and/or crushed uniformly along the entire extension of this length.
  • the displacement group 14 comprises, for each of the two pairs of support plates 7-8 and 9-10 arranged at the same ends 5a-6a and 5b-6b of the rotating tubular bodies 5 and 6, a rotation group 15 and 16 adapted respectively to rotatably couple the support plates 7, 8 and 9, 10 of said pairs of support plates 7-8 and 9-10 between them.
  • the two rotation groups 15 and 16 belonging to the displacement group 14 define rotation axes X" and X′′′ which substantially coincide with each other. Said rotation axes X" and X′′′ are also parallel to the development axes X and X' of the rotating tubular bodies 5 and 6, as can be observed in figs. 3 and 8 .
  • Each of the two rotation groups 15 and 16 comprises a pin, respectively indicated in the figures with 151 and 161, and two bearings 152, 153 and 162, 163 interposed respectively between the same pin 151 and 161 and each of the two plates 7, 8 and 9, 10 of one of the aforesaid pairs of support plates 7-8 and 9-10.
  • rotation group 15 and 16 may comprise a single bearing.
  • the displacement group 14 further comprises elastic control means 17 and 18 interposed between the support plates 7, 8 and 9, 10 of each of the aforesaid pairs of support plates 7-8 and 9-10.
  • Said elastic means 17 and 18 are configured to induce the nearing respectively of the support plates 7, 8 and 9, 10 belonging to the aforesaid pairs of support plates 7-8 and 9-10.
  • both the aforesaid elastic control means 17 and 18 comprise tie rods 171 and 181 having their own axes Y and Y' arranged substantially orthogonal to the rotation axes X" and X′′′ of the aforesaid two rotation groups 15 and 16.
  • each of said tie rods 171 and 181 comprises a traction piston 1711 and 1811 with its own extension axis Y and Y' arranged substantially orthogonal to the rotation axes X" and X′′′ of the two rotation groups 15 and 16.
  • each of the two traction pistons 1711 and 1811 are rotatably associated respectively with both the support plates 7, 8 and 9, 10 of the aforesaid pairs of support plates 7-8 and 9-10.
  • This rotatable association is obtained by means of a pin defined on each of the aforesaid ends of the traction pistons 1711 and 1811, holes defined in said support plates 7, 8 and 9, 10 configured to accommodate said pins, and stop rings to prevent said pins from coming off once they are housed in the respective holes, but which allow precisely the rotary movement of the aforesaid pins and therefore of the traction pistons 1711 and 1811 with respect to the respective support plates 7, 8 and 9, 10.
  • said elastic control means 17 and 18 may be springs.
  • the compactor/ crusher of the invention 1 provides for the rotation group 15 and 16 and the elastic control means 17 and 18 to be associated with said pair of support plates 7-8 and 9-10 on opposite sides with respect to the development axes X and X' of the rotating tubular bodies 5 and 6.
  • the support plates indicated in figures with 7 and 9, and associated with the two ends 5a and 5b of the first rotating tubular body 5, are fixedly connected to the containment structure 2, preferably by means of bolts.
  • the support plates 8 and 10 associated with the second one of the rotating tubular bodies 6 are connected to the containment structure 2 by means of the support plates 7 and 10 associated with the aforesaid first rotating tubular body 5 and by means of the displacement group 14.
  • the motorization group 12 comprises an electric motor 19 placed at one of the pairs of support plates 7-8, on the opposite side with respect to the rotating tubular bodies 5 and 6.
  • the rotation group 15 arranged on the same part of the aforesaid electric motor 19 comprises a tubular pin 151, so that the drive shaft 191 of the same electric motor 19 is placed passing internally said tubular pin 151 and the end free 191a thereof is arranged towards the rotating tubular bodies 5 and 6.
  • said free end 191a of the drive shaft 191 is provided with a pinion 20 meshed with two gear wheels 21 and 22, each of which is associated respectively with one of the rotating tubular bodies 5 and 6, so as to transmit the rotation motion to the latter.
  • the same pinion 20 and the gear wheel 22 associated with the second rotating tubular body 6 are meshed with each other by means of a return gear wheel 23, in turn rotatably associated with the support plate 8 of the second rotating tubular body 6.
  • said support plate 8 results to be movable with respect to the containment structure 2.
  • this return gear wheel 23 advantageously allows the transmission of the rotary motion between the pinion 20 and the gear wheel 22 to be maintained constant, optimal and always in phase, for whatever position the support plate 8 and the second rotating tubular body 6 can assume with respect to the containment structure 2.
  • the displacement group 14, on both pairs of support plates 7-8 and 9-10 arranged at the two ends 5a-6a and 5b-6b of the rotating tubular bodies 5 and 6, comprises cushioning means 24 and 25 interposed between the two support plates 7, 8 and 9, 10 of each of the aforesaid two pairs of support plates 7-8 and 9-10, in an intermediate position between the elastic control means 17 and 18 and the rotation group 15 and 16.
  • said cushioning means 24 and 25 comprise a yielding body 241 and 251, preferably an elastomer.
  • the compactor/ crusher 1 comprises pusher means 13 adapted to convey the material B towards the intermediate compaction and/or crushing area 11.
  • said pusher means 13 comprise a plurality of radial rods 26, spaced from each other, associated with a shaft 27 arranged inside each of the rotating tubular bodies 5 and 6 and inserted in through openings 28 obtained on the surface of the same rotating tubular bodies 5 and 6 which drag them in rotation.
  • Each shaft 27, to which the radial conveying rods 26 are associated, is arranged inside a respective rotating tubular body 5 and 6, so that its own axis is parallel to the development axis X, X' of the rotating tubular body 5 and 6, but does not coincide therewith.
  • the radial rods 26 rotate together with the rotating tubular body 5, 6 conveying the material B to be compacted inside the intermediate compaction and/or crushing area 11 dragged by the rotary motion of the rotating tubular bodies 5, 6 gradually and continuously returning near the compaction area 11 itself.
  • the material B to be compacted and/or crushed is inserted into the compactor/crusher 1 through the loading mouth 3 located in the upper part of the containment structure 2.
  • the material B falls by gravity positioning itself near the intermediate compaction and/or crushing area 11 and is conveyed by it, thanks to the rotary motion of the tubular bodies 5 and 6 and due to the effect of the conveying action of the radial rods 26 which are associated with each rotating tubular body 5 and 6, in the intermediate compaction and/or crushing area 11, thus undergoing a progressive reduction of one's volume due to the lamination effect by the rotating tubular bodies 5 and 6 themselves.
  • the tubular bodies 5 and 6 move away in a controlled way due to the joint effect of the rotation groups 15 and 16 and the elastic control means 17 and 18, allowing the passage of the element T with higher hardness without modifying the power absorbed by the compactor/crusher 1.
  • the elastic control means 17 and 18 of the displacement group 14 are in fact sized as a function of the maximum hardness to be achieved in the compaction and/or crushing of the material B, such that it allows the displacement of the rotating tubular bodies 5 and 6 when they are crossed by an element T with a hardness higher than the one the compactor/crusher 1 is able to compact and/or crush as a function of the power of the electric motor 19 installed.
  • said distancing movement is actuated by maintaining the development axes X and X' of the two rotating tubular bodies 5 and 6 parallel to each other.
  • Figs. 13 , 14 and 15 represent, by way of example, the different operating phases of the compactor/crusher 1 during the compaction of a bottle B.
  • the compacted material B falls by gravity into the container 30 located on the bottom of the containment structure 2.
  • the aforesaid elastic control means 17 and 18 exert a traction force between each pair of support plates 7-8 and 9-10 so as to bring the two rotating tubular bodies 5 and 6 back to the preset rest configuration.
  • this nearing movement also takes place by keeping the development axes X and X' of the two rotating tubular bodies 5 and 6 constantly parallel to each other.
  • a further achieved object of the invention is the realisation of a compactor/ crusher particularly suitable for use in common commercial establishments, such as for example bars, canteens and restaurants, without having to modify the installed powers and, consequently, the existing electrical systems.
  • the object of performing a homogeneous compaction/crushing of the material introduced along the entire intermediate area between the two rotating tubular bodies is also achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Crushing And Pulverization Processes (AREA)
EP20753421.5A 2019-07-09 2020-07-09 Perfected compactor/crusher Active EP3934901B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102019000011238A IT201900011238A1 (it) 2019-07-09 2019-07-09 Compattatore/frantumatore perfezionato
PCT/IB2020/056459 WO2021005547A1 (en) 2019-07-09 2020-07-09 Perfected compactor/crusher

Publications (3)

Publication Number Publication Date
EP3934901A1 EP3934901A1 (en) 2022-01-12
EP3934901B1 true EP3934901B1 (en) 2023-09-06
EP3934901C0 EP3934901C0 (en) 2023-09-06

Family

ID=68582125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20753421.5A Active EP3934901B1 (en) 2019-07-09 2020-07-09 Perfected compactor/crusher

Country Status (3)

Country Link
EP (1) EP3934901B1 (it)
IT (1) IT201900011238A1 (it)
WO (1) WO2021005547A1 (it)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154408A (en) * 1977-12-19 1979-05-15 N. Hunt Moore & Associates, Inc. Flaking mill adjustment and shock absorbing means
US4739641A (en) * 1986-04-25 1988-04-26 Connell Limited Partnership Process and apparatus for flattening sheet gauge metal scrap
US5435239A (en) * 1994-11-23 1995-07-25 Macdon Industries Ltd. Conditioning roller assembly
US5823452A (en) * 1997-05-05 1998-10-20 Ballew; Russell Flaker mill
ITVI20070039A1 (it) * 2007-02-09 2008-08-10 Euromeccanica Srl Metodo di compattazione/frantumazione perfezionato
SE532690C2 (sv) * 2008-06-30 2010-03-16 Metso Brasil Ind E Com Ltda Lagerarrangemang
CN102139239A (zh) * 2010-12-29 2011-08-03 江苏牧羊集团有限公司 粉碎机的传动机构
CN102527469B (zh) * 2012-02-17 2013-08-14 江苏牧羊集团有限公司 碎粒机传动机构
CN203648599U (zh) * 2013-12-12 2014-06-18 浙江浙矿重工股份有限公司 一种双辊破碎机出料口调节装置
CN205495682U (zh) * 2015-12-22 2016-08-24 荆门市格林美新材料有限公司 双齿轮破碎装置
CN208810174U (zh) * 2018-07-06 2019-05-03 甘肃金科峰农业装备工程有限责任公司 一种青贮收获机籽粒破碎器辊间隙调整装置

Also Published As

Publication number Publication date
IT201900011238A1 (it) 2021-01-09
WO2021005547A1 (en) 2021-01-14
EP3934901A1 (en) 2022-01-12
EP3934901C0 (en) 2023-09-06

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