EP2311578B1 - Sorting device for separating cardboard - Google Patents
Sorting device for separating cardboard Download PDFInfo
- Publication number
- EP2311578B1 EP2311578B1 EP20100187324 EP10187324A EP2311578B1 EP 2311578 B1 EP2311578 B1 EP 2311578B1 EP 20100187324 EP20100187324 EP 20100187324 EP 10187324 A EP10187324 A EP 10187324A EP 2311578 B1 EP2311578 B1 EP 2311578B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sorting
- belt
- drum
- tines
- tine
- 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.)
- Not-in-force
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/003—Separation of articles by differences in their geometrical form or by difference in their physical properties, e.g. elasticity, compressibility, hardness
Definitions
- the invention concerns a sorting device in accordance with the preamble of claim 1.
- a sorting device in accordance with the preamble of claim 1.
- Such a device is known from FR-A-449278 .
- EP-A-1785200 discloses a device specially designed for separating a mixture of cardboard pieces and paper sheets where the tines are not spring-loaded.
- the disadvantage of the known device is that the sorting belt has ridges that make the belt fairly thick so that it is difficult to fold and guide the belt around the rollers due to the required deformations of the belt, which deformations also lead to undesired wear of the belt.
- the sorting device is according to claim 1.
- a simple and thin sorting belt is used to move the sorting tines in and out of the inner drum so that the sorting tines pick up cardboard pieces from the sorting belt.
- the invention further concerns an embodiment according to claim 2. This improves the sorting of cardboard pieces from a mixed flow of material.
- the invention further concerns an embodiment according to claim 3. This reduces the number of separate springs.
- the invention further concerns an embodiment according to claim 4.
- the relative movement of the sorting tines and the sorting belt can be defined to obtain the most advantageous movement for selecting cardboard pieces.
- the invention further concerns an embodiment according to claim 5. This improves the removing of the cardboard pieces from the sorting tines as the outer drum pushes the cardboard piece in axial direction off the sorting tines.
- the sorting device 1 as shown in figures 1 and 2 comprises a frame 25 having two sidewalls 14 between which a sorting belt 13 can move in a direction of conveyance 32.
- the sorting belt 13 runs over a drive pulley 20 and a return pulley 20A and is guided by support rollers 21 between the sidewalls 14 and held taut by the return pulley 20A.
- a drive 22 drives the sorting belt 13.
- a supply belt 2 supplies a mixture of paper sheets and cardboard pieces 36 (see figure 2 ) to be sorted to the sorting device 1.
- the speeds of the supply belt 2 and the sorting belt 13 are selected in such a way that the supply belt 2 deposits most individual paper sheets and cardboard pieces 36 one after the other in a single layer on the sorting belt 13.
- Document EP 1785200 gives a more detailed description of a similar device and the skilled man can think of many variations of the design of the sorting belt 13 and/or the sorting device 1.
- sorting tines 3 extend from the outside surface of an inner drum 6 that rotates with an outer drum 5 in a direction of rotation 27.
- Support rollers 16 support the outer drum 5 and let the outer drum 5 rotate around a top axis of rotation 7.
- the sorting tines 3 extend from the outside of the inner drum 6 to a maximum radius R from a bottom axis of rotation 8 that is the centre of the inner drum 6 and that is located below the top axis of rotation 7.
- the sorting belt 13 is supported by a support plate 15 that is resiliently supported by springs 23 that are connected by a bracket 24 to the side walls 14.
- the support plate 15 supports the sorting belt 13 so that the paper sheets, cardboard pieces 36 and/or the sorting belt 13 will press against the sorting tines 3 and force these to retract in the inner drum 6 over a distance X against the pressure of a spring 31.
- the spring 31 presses against the sorting tines 3 so that they extend outside the inner drum 6 to the maximum radius R when the sorting belt 13 does not push against them and forces them to retract.
- the spring 31 is mounted in a holder 30 fixed against the inner surface of the inner drum 6, for instance by welding.
- the rotation speed of the inner drum 6 and the speed of the sorting belt 13 are synchronized so that the tip of the sorting tines 3 at the radius when the distance X of the retraction has its maximum value, which means the narrowest part of the gap between the inner drum 6 and the sorting belt 13, is approximately equal to the speed of the sorting belt 13.
- the sorting tines 3 lift cardboard pieces 36 off the sorting belt 13 and deposit the cardboard pieces 36 on a first discharge belt 9 and the paper sheets remain lying on the sorting belt 13 and are conveyed to a second discharge belt 12.
- guide plates 11 are provided in order to prevent the paper sheets from falling onto the ground.
- the second discharge belt 12 conveys the paper sheets to a storage place and/or a place where the paper is processed further.
- cardboard pieces 36 include corrugated cardboard and those types of paper that have increased resistance against tearing, which might include books or a bundle of paper sheets.
- the inner drum 6, on which the sorting tines 3 are fixed has a smaller diameter than the outer drum 5 rotating with said inner drum 6 and the outer drum 5 has apertures 35 through which the sorting tines 3 project. This causes that at increasing distance from the bottom area of the inner drum 6 the sorting tines 3, while they are at their maximum radius R from the bottom axis of rotation 8, will project increasingly less far outside the outer drum 5 so that the outer drum 5 pushes the cardboard pieces 36 off the sorting tines 3. As a result, the cardboard pieces 36 fall off the sorting tines 3 onto the first discharge belt 9 placed beside the outer drum 5 for that purpose.
- a guide plate 10 guides the falling pieces of cardboard.
- the first discharge belt 9 transports the cardboard pieces 36 to a location where they are further processed.
- Support rollers 16 are provided on the outside of the sidewalls 14 on the frame 25. On these support rollers 16 the outer drum 5 can rotate about a top axis of rotation 7 which is preferably more or less perpendicular to the direction of conveyance 32 of the sorting belt 13.
- the outer drum 5 is completely open on the inside and has a guide edge 4, as a result of which the outer drum 5 always stays more or less in the same position above the sorting belt 13.
- the inner drum 6 rests on the bottom part of the outer drum 5, which inner drum 6 rotates with the outer drum 5 around the bottom axis of rotation 8.
- pressure rollers 17 are provided at the position of the support rollers 16, each pressure roller 17 being fixed by means of springs 18 on a support 19.
- the springs 18 make some movement of the inner drum 6 and/or the outer drum 5 possible.
- a support plate 15 supports the sorting belt 13
- springs 23 mounted upon a support 24 and fixed on the frame 25 resiliently support the support plate 15. Because of the spring-loaded support plate 15 and also because of the possibility of movement of the inner drum 6, the material on the belt conveyor 13 can have a changing thickness without causing any problem.
- Figure 1 also shows a detail of a front view of the outer drum 5 and the inner drum 6.
- the drums 5,6 have a width B that is slightly less than the width between the sidewalls 14 and the sorting tines 3 are mounted over the full width B.
- the sorting tines 3 are mounted in rows that have a distance A and in the direction of rotation 27 a pitch distance P.
- the distance A is less than half the usual width of a sheet of paper and is for instance 50 mm.
- the pitch P is less than half the usual width of a sheet of paper and is for instance 100 mm in the situation where the rows of the sorting tines 3 are staggered, so that the sorting tines 3 of a next row of sorting tines 3 is between the sorting tines of the first row of sorting tines 3.
- the distance A and the pitch P are adapted accordingly.
- FIG. 2 shows the interaction between the sorting tines 3 and the sorting belt 13 on which a cardboard piece 36 is laying after the sorting tine 3 has passed the narrowest part of the gap between the sorting belt 13 and the inner drum 6.
- the sorting tine 3 can move in axial direction in a holder 30 and is guided by hole 34 in the inner drum 6. Inside the holder 30 the tine 3 has a shoulder 33, against which the spring 31 can push and which may guide the tine 3 in the holder 30.
- a locking pin 32 limits the axial movement of the spring 31 in the holder 30.
- the hole 34 and the shoulder 33 in the holder 30 act as a axial bearing for the sorting tine 3, so that axial movement remains possible when there is a transverse force on a tip 37 of the sorting tine 3.
- the hole 34 can be designed as axial bearing or the sorting tine 3 can be guided a different way, such as by fixing the sorting tine 3 on a lever and rotating the lever around a hinge.
- the tip 37 of the sorting tine 3 penetrates the cardboard piece 36 until the tip 37 pushes against the sorting belt 13.
- the sorting belt 13 then pushes the sorting tine 3 the distance X into the holder 30 against the force of the spring 31.
- the tip 37 is part of the first sorting tine 3 to penetrate a cardboard piece 36, which means that it is near the front 38 of the cardboard piece 36, the cardboard piece 36 will get the same speed as the tip 37 and slide over the sorting belt 13.
- Figure 2d shows the situation where the sorting tine 3 has moved further away from the gap and protrudes its maximum length outside the outer drum 5.
- the distance X is zero.
- the cardboard piece 36 pulls against the tip 37.
- the shape of the tip 37 is such that the direction of pulling keeps the cardboard piece 36 fixed on the tip 37 and especially keeps the raised edge 40 fixed against the tip 37.
- the tip 37 can be partly cylindrical and/or can have a groove 41 as shown in both embodiments of figure 3 .
- the tip 37 of the sorting tine 3 now lifts the front 38 of the cardboard piece 36 from the sorting belt 13 and the rest of the cardboard piece 36 follows. As shown in figure 1 the sorting tines 3 lift the cardboard piece 36 to above the belt 9 and there the outer drum 5 pushes the cardboard piece 36 off the tip 37.
- the tip 37 pushes against a paper sheet on the sorting belt 13 the tip 37 might create a hole in the paper sheet, but the tip 37 will not get a grip on the paper sheet as the tip 37 will tear the hole in the paper sheet and there will be no raised edge 40 that can hold the paper sheet on the tip 37 of sorting tine 3.
- the tip 37 will leave paper or other easily tearing material on the sorting belt 13 but it will lift in the way described earlier the difficult tearing cardboard pieces 36 off the sorting belt 13.
- the cardboard piece 36 can be pushed in other ways from the tip 37, for instance using a comb in case there is no outer drum 5.
- the inner drum 6 has a central axis that is mounted with spreaders in the inner drum 6 and has bearings in which it rotates. These bearings are so that they make vertical movement of the inner drum 6 possible, so that thick stacks of cardboard pieces 36 can move between the inner drum 6 and the sorting belt 13.
- each sorting tine 3 is pushed by a separate spring 33.
- sorting tines 3 that are side by side in the longitudinal direction of the inner drum 3 can be coupled to form a part that is pushed by a single spring.
- the part with the sorting tines can be guided so that they move perpendicular to the surface of the inner drum 6, as shown in the figures 1 and 2 .
- the part with the sorting tines has bars (not shown) that are connected to hinges (not shown) fastened on the inside surface of the inner drum 6 whereby a spring pushes the part with the sorting tines against the inside surface of the inner drum 6.
- the sorting tines follow an additional movement relative to the longitudinal direction the sorting belt 13 and so relative to the cardboard and paper on the belt which can improves the sorting of the cardboard from the paper.
Landscapes
- Sorting Of Articles (AREA)
Description
- The invention concerns a sorting device in accordance with the preamble of claim 1. Such a device is known from
FR-A-449278 EP-A-1785200 discloses a device specially designed for separating a mixture of cardboard pieces and paper sheets where the tines are not spring-loaded. The disadvantage of the known device is that the sorting belt has ridges that make the belt fairly thick so that it is difficult to fold and guide the belt around the rollers due to the required deformations of the belt, which deformations also lead to undesired wear of the belt. - In order to overcome this disadvantage the sorting device is according to claim 1. In this way a simple and thin sorting belt is used to move the sorting tines in and out of the inner drum so that the sorting tines pick up cardboard pieces from the sorting belt.
- The invention further concerns an embodiment according to
claim 2. This improves the sorting of cardboard pieces from a mixed flow of material. - The invention further concerns an embodiment according to
claim 3. This reduces the number of separate springs. - The invention further concerns an embodiment according to claim 4. In this way the relative movement of the sorting tines and the sorting belt can be defined to obtain the most advantageous movement for selecting cardboard pieces.
- The invention further concerns an embodiment according to claim 5. This improves the removing of the cardboard pieces from the sorting tines as the outer drum pushes the cardboard piece in axial direction off the sorting tines.
- The invention is explained below with reference to an exemplary embodiment by means of a drawing, in which:
-
Figure 1 shows a diagrammatic side view of an embodiment of the sorting device and a detail of a front view of the sorting tines and the drum; -
Figure 2 shows a cross section of a detail of the embodiment offigure 1 in subsequent steps of interaction of the sorting tines with a front side of a cardboard piece after the front side has passed the narrowest part of gap between the drum the a sorting belt; and -
Figure 3 shows a detailed view of two embodiments of a sorting tine. - The sorting device 1 as shown in
figures 1 and2 comprises aframe 25 having twosidewalls 14 between which asorting belt 13 can move in a direction ofconveyance 32. Thesorting belt 13 runs over adrive pulley 20 and areturn pulley 20A and is guided bysupport rollers 21 between thesidewalls 14 and held taut by thereturn pulley 20A. Adrive 22 drives thesorting belt 13. Asupply belt 2 supplies a mixture of paper sheets and cardboard pieces 36 (seefigure 2 ) to be sorted to the sorting device 1. In order to improve sorting of thecardboard pieces 36 from the paper sheets, the speeds of thesupply belt 2 and thesorting belt 13 are selected in such a way that thesupply belt 2 deposits most individual paper sheets andcardboard pieces 36 one after the other in a single layer on thesorting belt 13. DocumentEP 1785200 gives a more detailed description of a similar device and the skilled man can think of many variations of the design of thesorting belt 13 and/or the sorting device 1. - The mixture of
cardboard pieces 36 and paper sheets lying on thesorting belt 13 are conveyed along underneathsorting tines 3 extending from the outside surface of an inner drum 6 that rotates with an outer drum 5 in a direction ofrotation 27.Support rollers 16 support the outer drum 5 and let the outer drum 5 rotate around a top axis of rotation 7. Thesorting tines 3 extend from the outside of the inner drum 6 to a maximum radius R from a bottom axis ofrotation 8 that is the centre of the inner drum 6 and that is located below the top axis of rotation 7. - In the area where the inner drum 6 rotates above the
sorting belt 13, thesorting belt 13 is supported by asupport plate 15 that is resiliently supported bysprings 23 that are connected by abracket 24 to theside walls 14. Thesupport plate 15 supports thesorting belt 13 so that the paper sheets,cardboard pieces 36 and/or thesorting belt 13 will press against thesorting tines 3 and force these to retract in the inner drum 6 over a distance X against the pressure of aspring 31. Thespring 31 presses against thesorting tines 3 so that they extend outside the inner drum 6 to the maximum radius R when thesorting belt 13 does not push against them and forces them to retract. Thespring 31 is mounted in aholder 30 fixed against the inner surface of the inner drum 6, for instance by welding. The rotation speed of the inner drum 6 and the speed of thesorting belt 13 are synchronized so that the tip of thesorting tines 3 at the radius when the distance X of the retraction has its maximum value, which means the narrowest part of the gap between the inner drum 6 and thesorting belt 13, is approximately equal to the speed of thesorting belt 13. - In a way described hereafter the
sorting tines 3lift cardboard pieces 36 off thesorting belt 13 and deposit thecardboard pieces 36 on a first discharge belt 9 and the paper sheets remain lying on thesorting belt 13 and are conveyed to asecond discharge belt 12. At the point where the paper sheets fall off thesorting belt 13 onto thesecond discharge belt 12,guide plates 11 are provided in order to prevent the paper sheets from falling onto the ground. Thesecond discharge belt 12 conveys the paper sheets to a storage place and/or a place where the paper is processed further. - The preceding text has referred to the separation of paper sheets and
cardboard pieces 36. It is pointed out here thatcardboard pieces 36 include corrugated cardboard and those types of paper that have increased resistance against tearing, which might include books or a bundle of paper sheets. - The
cardboard pieces 36 that thesorting tines 3 lift off thesorting belt 13 move upwards along with thesorting tines 3. The inner drum 6, on which thesorting tines 3 are fixed has a smaller diameter than the outer drum 5 rotating with said inner drum 6 and the outer drum 5 hasapertures 35 through which the sorting tines 3 project. This causes that at increasing distance from the bottom area of the inner drum 6 thesorting tines 3, while they are at their maximum radius R from the bottom axis ofrotation 8, will project increasingly less far outside the outer drum 5 so that the outer drum 5 pushes thecardboard pieces 36 off thesorting tines 3. As a result, thecardboard pieces 36 fall off thesorting tines 3 onto the first discharge belt 9 placed beside the outer drum 5 for that purpose. Aguide plate 10 guides the falling pieces of cardboard. The first discharge belt 9 transports thecardboard pieces 36 to a location where they are further processed. -
Support rollers 16 are provided on the outside of thesidewalls 14 on theframe 25. On thesesupport rollers 16 the outer drum 5 can rotate about a top axis of rotation 7 which is preferably more or less perpendicular to the direction ofconveyance 32 of thesorting belt 13. The outer drum 5 is completely open on the inside and has a guide edge 4, as a result of which the outer drum 5 always stays more or less in the same position above thesorting belt 13. The inner drum 6 rests on the bottom part of the outer drum 5, which inner drum 6 rotates with the outer drum 5 around the bottom axis ofrotation 8. - If required in order to ensure that the inner drum 6 rotates with the outer drum 5 and does not move upwards as a result of an upward load on the
sorting tines 3,pressure rollers 17 are provided at the position of thesupport rollers 16, eachpressure roller 17 being fixed by means ofsprings 18 on asupport 19. Thesprings 18 make some movement of the inner drum 6 and/or the outer drum 5 possible. In the region where the inner drum 6 and the outer drum 5 rotate above thesorting belt 13, asupport plate 15 supports thesorting belt 13,springs 23 mounted upon asupport 24 and fixed on theframe 25 resiliently support thesupport plate 15. Because of the spring-loadedsupport plate 15 and also because of the possibility of movement of the inner drum 6, the material on thebelt conveyor 13 can have a changing thickness without causing any problem. -
Figure 1 also shows a detail of a front view of the outer drum 5 and the inner drum 6. The drums 5,6 have a width B that is slightly less than the width between thesidewalls 14 and thesorting tines 3 are mounted over the full width B. Thesorting tines 3 are mounted in rows that have a distance A and in the direction of rotation 27 a pitch distance P. The distance A is less than half the usual width of a sheet of paper and is for instance 50 mm. The pitch P is less than half the usual width of a sheet of paper and is for instance 100 mm in the situation where the rows of thesorting tines 3 are staggered, so that thesorting tines 3 of a next row ofsorting tines 3 is between the sorting tines of the first row ofsorting tines 3. This means that during rotation of the drums 5,6 every 50 mm asorting tine 3 contacts the paper or cardboard on thesorting belt 13. For different applications with different dimensions of the material to be sorted, the distance A and the pitch P are adapted accordingly. -
Figure 2 shows the interaction between thesorting tines 3 and thesorting belt 13 on which acardboard piece 36 is laying after thesorting tine 3 has passed the narrowest part of the gap between thesorting belt 13 and the inner drum 6. Thesorting tine 3 can move in axial direction in aholder 30 and is guided byhole 34 in the inner drum 6. Inside theholder 30 thetine 3 has ashoulder 33, against which thespring 31 can push and which may guide thetine 3 in theholder 30. Alocking pin 32 limits the axial movement of thespring 31 in theholder 30. Thehole 34 and theshoulder 33 in theholder 30 act as a axial bearing for thesorting tine 3, so that axial movement remains possible when there is a transverse force on atip 37 of thesorting tine 3. In other embodiments thehole 34 can be designed as axial bearing or thesorting tine 3 can be guided a different way, such as by fixing thesorting tine 3 on a lever and rotating the lever around a hinge. - As the
cardboard piece 36 approaches the gap between the outer drum 5 and thesorting belt 13 in adirection 32 thetip 37 of thesorting tine 3 penetrates thecardboard piece 36 until thetip 37 pushes against thesorting belt 13. The sortingbelt 13 then pushes thesorting tine 3 the distance X into theholder 30 against the force of thespring 31. When thetip 37 is part of thefirst sorting tine 3 to penetrate acardboard piece 36, which means that it is near thefront 38 of thecardboard piece 36, thecardboard piece 36 will get the same speed as thetip 37 and slide over the sortingbelt 13. In the gap between the outer drum 5 and/or the inner drum 6 and the sortingbelt 13, thetip 37 and/or the outer drum 5 and/or the sortingbelt 13 will have the same speed and the distant X will have its maximum value.Figure 2a shows this situation where thecardboard piece 36 and thetip 37 of thesorting tine 3 have the same speed. - As the
cardboard piece 36 continues to move with the sortingbelt 13 through the gap between the sortingbelt 13 and outer drum 5, as shown infigures 2b and 2c , it will keep the speed of the sortingbelt 13 as followingsorting tines 3 and the outer drum 5 will keep the speed of thecardboard piece 36 synchronized with the speed of the sortingbelt 13. As thesorting tine 3 moves past the gap, the width of the gap increases, thespring 31 pushes thesorting tine 3 out and the distance X will decrease. As the protruding length of thesorting tine 3 increases thetip 37 moves forward relative to thecardboard piece 36. Thetip 37 pulls forward relative to thecardboard piece 36, deforms thecardboard piece 36 and creates ahole 39 at the side of the narrowest gap between the sortingbelt 13 and the drums 5,6 and forms a raisededge 40 at the side away from the gap. -
Figure 2d shows the situation where thesorting tine 3 has moved further away from the gap and protrudes its maximum length outside the outer drum 5. The distance X is zero. Thecardboard piece 36 pulls against thetip 37. The shape of thetip 37 is such that the direction of pulling keeps thecardboard piece 36 fixed on thetip 37 and especially keeps the raisededge 40 fixed against thetip 37. For that thetip 37 can be partly cylindrical and/or can have agroove 41 as shown in both embodiments offigure 3 . Thetip 37 of thesorting tine 3 now lifts thefront 38 of thecardboard piece 36 from the sortingbelt 13 and the rest of thecardboard piece 36 follows. As shown infigure 1 the sortingtines 3 lift thecardboard piece 36 to above the belt 9 and there the outer drum 5 pushes thecardboard piece 36 off thetip 37. If thetip 37 pushes against a paper sheet on the sortingbelt 13 thetip 37 might create a hole in the paper sheet, but thetip 37 will not get a grip on the paper sheet as thetip 37 will tear the hole in the paper sheet and there will be no raisededge 40 that can hold the paper sheet on thetip 37 ofsorting tine 3. Thetip 37 will leave paper or other easily tearing material on the sortingbelt 13 but it will lift in the way described earlier the difficult tearingcardboard pieces 36 off the sortingbelt 13. - In another embodiment the
cardboard piece 36 can be pushed in other ways from thetip 37, for instance using a comb in case there is no outer drum 5. In another embodiment the inner drum 6 has a central axis that is mounted with spreaders in the inner drum 6 and has bearings in which it rotates. These bearings are so that they make vertical movement of the inner drum 6 possible, so that thick stacks ofcardboard pieces 36 can move between the inner drum 6 and the sortingbelt 13. - In the disclosed embodiment each
sorting tine 3 is pushed by aseparate spring 33. In a furtherembodiment sorting tines 3 that are side by side in the longitudinal direction of theinner drum 3 can be coupled to form a part that is pushed by a single spring. The part with the sorting tines can be guided so that they move perpendicular to the surface of the inner drum 6, as shown in thefigures 1 and2 . In a further embodiment the part with the sorting tines has bars (not shown) that are connected to hinges (not shown) fastened on the inside surface of the inner drum 6 whereby a spring pushes the part with the sorting tines against the inside surface of the inner drum 6. In this embodiment the sorting tines follow an additional movement relative to the longitudinal direction the sortingbelt 13 and so relative to the cardboard and paper on the belt which can improves the sorting of the cardboard from the paper.
Claims (5)
- Separating device for separating a mixture of cardboard pieces (36) and paper sheets comprising a sorting belt (13), above the sorting belt (13) sorting tines (3) mounted in a tine drum (6) and extending from the tine drum for impaling and picking up cardboard pieces from the sorting belt (13), and drive means for driving the sorting belt and rotating the tine drum so that the sorting tines move at an approximately synchronized speed with the sorting belt wherein a spring (31) pushes each of the sorting tines with an extending length outwards the [tine] drum (6) and a shoulder (33) for limiting the extending length to a maximum length characterized in that the distance between the tine drum and the sorting belt is smaller than the maximum length and so that the sorting belt pushes the sorting tines (3) against the spring into the tine drum.
- Separating device in accordance with claim 1 wherein the sorting tine (3) has a groove (41) for holding a cardboard piece (36).
- Separating device in accordance with claim 1 or 2 wherein two or more sorting tines (3) side by side in a longitudinal direction of the tine drum have a common spring for pushing adjacent sorting tines outwards.
- Separating device in accordance with one of the claims 1 - 3 wherein the sorting tines (3) have guide means (30) to guide them when they move inwards into the tine drum, the guide means preferably guide the sorting tines perpendicular to the surface of the tine drum.
- Separating device in accordance with one of the previous claims wherein an outer drum (5) surrounds the tine drum (6) and the sorting tines (3) extend through holes (35) in the outer drum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20100187324 EP2311578B1 (en) | 2009-10-15 | 2010-10-12 | Sorting device for separating cardboard |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09173202A EP2311577A1 (en) | 2009-10-15 | 2009-10-15 | Sorting device for separating cardboard |
EP20100187324 EP2311578B1 (en) | 2009-10-15 | 2010-10-12 | Sorting device for separating cardboard |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2311578A1 EP2311578A1 (en) | 2011-04-20 |
EP2311578B1 true EP2311578B1 (en) | 2013-09-04 |
Family
ID=41571361
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09173202A Withdrawn EP2311577A1 (en) | 2009-10-15 | 2009-10-15 | Sorting device for separating cardboard |
EP20100187324 Not-in-force EP2311578B1 (en) | 2009-10-15 | 2010-10-12 | Sorting device for separating cardboard |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09173202A Withdrawn EP2311577A1 (en) | 2009-10-15 | 2009-10-15 | Sorting device for separating cardboard |
Country Status (1)
Country | Link |
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EP (2) | EP2311577A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR449278A (en) * | 1912-09-18 | 1913-02-22 | Leon Paulet Fils | Sorting or separating machine |
US2246851A (en) * | 1939-03-10 | 1941-06-24 | Harvey A Jordan | Separating device |
US3793424A (en) * | 1972-03-08 | 1974-02-19 | C Haga | Melt-captivating apparatus and method |
NL1030406C2 (en) | 2005-11-14 | 2007-05-15 | Wagensveld B V | Device for separating paper and cardboard. |
-
2009
- 2009-10-15 EP EP09173202A patent/EP2311577A1/en not_active Withdrawn
-
2010
- 2010-10-12 EP EP20100187324 patent/EP2311578B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2311578A1 (en) | 2011-04-20 |
EP2311577A1 (en) | 2011-04-20 |
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