EP1282489A2 - Method and device for comminuting plastic cartridges - Google Patents
Method and device for comminuting plastic cartridgesInfo
- Publication number
- EP1282489A2 EP1282489A2 EP01947135A EP01947135A EP1282489A2 EP 1282489 A2 EP1282489 A2 EP 1282489A2 EP 01947135 A EP01947135 A EP 01947135A EP 01947135 A EP01947135 A EP 01947135A EP 1282489 A2 EP1282489 A2 EP 1282489A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cartridge
- chip
- drive rollers
- machine according
- cutting
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/10—Making cuts of other than simple rectilinear form
- B26D3/11—Making cuts of other than simple rectilinear form to obtain pieces of spiral or helical form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/16—Cutting rods or tubes transversely
- B26D3/162—Cutting rods or tubes transversely cutting tubes obliquely
Definitions
- the present invention relates to the comminution of plastic artouches. Cartridges for printing inks (2 kg) are preferred.
- Inks for the printing industry are increasingly marketed in cylindrical cartridges approx. 32 cm long with a diameter of approx. 10 cm. These cartridges are not stackable in the empty state like the conical paint cans previously used. Due to this fact, the empty cartridges are a problem in the print shops because of their volume, since considerable amounts of empty cartridges occur when used on several printing machines.
- shredders are offered for shredding the cartridges. These are mostly modified garden or industrial shredders.
- the cartridges in these shredders are completely shredded. While the cylinder wall is almost color-free when the cartridges are well squeezed out, there are still significant color residues in the cartridge head and the outlet nozzle. With all of the shredders previously used, they cause the knives to become dirty and, in conjunction with the plastic, which becomes hot and soft, quickly lead to failure of the devices. The cleaning that is then necessary is difficult and requires large amounts of solvents.
- the shredded material consists of sticky, non-free-flowing particles, which causes great problems in processing and recycling. All of this has meant that shredding empty ink cartridges has hardly prevailed, but was soon abandoned.
- Knife disks these strips are then cut into short pieces, so that small waste particles of a certain size are obtained.
- This shredding machine also shreds the waste material completely and completely and is therefore unsuitable for shredding color cartridges for the same reasons as the shredders.
- the object of the present invention is to provide a method and a device which, while avoiding the disadvantages described, enables the shredding of plastic cartridges, in particular empty ink cartridges, in an elegant and disposal-appropriate manner.
- the cartridges are easily disposed of in two fair groups, each of which can be disposed of properly and efficiently.
- the chip pieces emerging from the cylinder wall of the cartridges are almost color-free, pourable and can be stored and transported in bags or bins to save volume.
- the separated cartridge head with the nozzle and the piston in the foremost position, which still contains paint residues, is disposed of separately in a suitable manner.
- the noise level emanating from the machine is very low, so that it can be used on the printing press itself. Operation is easy because the empty cartridge only has to be inserted into the machine and the rest of the process takes place automatically.
- Figure 1 shows the essential parts of the unclad machine in a schematic perspective view.
- Fig. 2 is an enlarged perspective view of the cutting unit and the cutting unit of the
- FIG. 3 shows a representation as in FIG. 1 from a viewing angle directed from the other side onto the cutting mechanism
- FIG. 5 shows the top view of the machine according to FIG. 4 with a cartridge inserted for machining.
- a drive motor and a gearbox are housed, which have to drive three output shafts, the first of which emerges from the front surface 3, an upper drive roller 7 and the second, below which the first emerges from the front surface carries a lower drive roller 9 with a corrugated surface.
- the third output shaft emerges from a side surface 5 of the machine box and carries a rotating cleaver 11.
- a round centering and stop plate 13 Below the lower drive roller and lying in front of it is a round centering and stop plate 13, the diameter of which is somewhat smaller than the inside diameter of the cartridges to be shredded. It is used when inserting the cartridges 30 and when
- a ramp surface 15 which extends over a little more than three quarters of a circumference and whose height, running along a screw surface, decreases in the direction of the rotation of the cartridges during the cutting process.
- the mean pitch angle of this screw ramp surface corresponds to the inclination angle which the cartridge axis ⁇ assumes when pushing in and during machining with respect to the axial direction A "of the drive rollers 7, 9 (FIG. 5).
- the corrugated surface of the lower drive roller 9 is interrupted by a circumferential knife groove 17.
- a circular knife 19 engages in this, which is installed coaxially in the upper drive roller 7 and divides the surface thereof.
- a horizontal chip guide 21 adjoins the interface and forms a chip channel 23 with a chip guide base 25, the end edge of the chip guide base 25 interacting with the rotating cleaver 11.
- Below the chip guide floor 25, the ramp surface 15 begins and runs in the direction of rotation of the cartridge, as can be seen in particular in FIG. 3, until shortly before the interface between the drive rollers 7, 9, where its height is minimal and in the axial direction a distance of has the interface that corresponds to the span to be separated from the cartridge.
- the motor When the machine is operating, the motor is switched on, which drives the upper and lower drive rollers 7, 9 and the cleaver 11 in the direction of rotation indicated by arrows.
- a cartridge to be shredded is pushed with its open end first onto the centering and stop plate 13 and pushed forward at the inclination angle ⁇ until the drive rollers 7, 9 grip the front edge and start to pull in while rotating the cartridge.
- the circular knife 19 begins to cut into the cartridge wall at the inclined angle and to cut off a chip.
- the edge of the cartridge is pulled up to the contact with the ramp surface 15 and slides along it, so that, starting with a sharp beginning, a chip is continuously cut off, the width of which corresponds to the distance between the interface of the circular knife 19 and the end of the ramp surface 15 in the axial direction ,
- the cut runs along a helical line into the cylinder wall of the cartridge.
- the separated chip moves through the chip channel 23 to be chopped at the end by the cleaver 11 into sections of the desired length of a few centimeters.
- the speed ratio is either specified by a gearbox; when using two drive motors, it is also easy to select.
- the chip sections fall into a collecting container 42 arranged below the chopping point.
- the cut into the wall material of the cartridge runs along a helix, the slope of which corresponds to the inclined angle ⁇ of the cartridge, which in turn is determined primarily by the inclination of the ramp surface 15. It goes without saying that the only important thing is the angle between the cartridge axis and the plane in which the circular knife 19 rotates and interacts with the knife groove 17.
- An embodiment would also be possible in which the cartridge 30 is pushed in at a right angle to the front surface 3 of the machine and is directed during machining and the axes of the drive rollers 7, 9 are inclined sideways at an angle to the normal onto the front surface 3, so that the circular knife 19 cuts obliquely into the edge of the cartridge inserted at a right angle.
- the machine can have a suitably mounted limit switch, which is actuated when the plate 13 springs out and switches off the drive motor.
- the machine can also be constructed in a different spatial arrangement, for example in such a way that the drive rollers 7, 9 lie next to one another in a horizontal plane and the chip channel 23 runs vertically downward.
- the arrangement described and shown is the preferred one, because the result is that the almost color-free chip pieces and the still color-laden cartridge heads occur side by side and the respective collecting containers can be placed side by side.
- FIGS. 4, 5. 4 shows how the machine box 1, which is surrounded by a covering 32, is fastened on a base frame 34 and a cartridge head collecting container 38 is set up below the cutting unit surrounded by a cutting unit covering 36 and below the chip dividing unit surrounded by a chip-dividing unit covering 40 Chip collecting container 42 is set up.
- Fig. 5 shows the machine with an inserted cartridge 30 at the beginning of its cutting in plan view, the inclination angle between the axis P ⁇ . the cartridge and the axis the drive rollers is shown.
- FIG 4, 5 also shows an inlet collar 44 projecting from the cutting unit cladding 36 and surrounding the centering and stop plate 13 at a distance, which in addition to the centering and stop plate acts in a positioning manner when the cartridge is pushed in.
- the open end of the cartridge is inserted into the annular space between the inlet collar 44 and the centering and stop plate 13.
- a possible embodiment variant is to arrange the inlet collar 44 at an inclined angle ⁇ to the axial direction of the drive rollers 7, 9 and its
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10023103 | 2000-05-11 | ||
DE10023103A DE10023103C1 (en) | 2000-05-11 | 2000-05-11 | Empty plastics ink cartridge recycling method has cartridge cut along helical line to form plastics strip divided into short sections |
PCT/DE2001/001801 WO2001085406A2 (en) | 2000-05-11 | 2001-05-09 | Method and device for comminuting plastic cartridges |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1282489A2 true EP1282489A2 (en) | 2003-02-12 |
EP1282489B1 EP1282489B1 (en) | 2004-09-01 |
Family
ID=7641666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01947135A Expired - Lifetime EP1282489B1 (en) | 2000-05-11 | 2001-05-09 | Method and device for comminuting plastic cartridges |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1282489B1 (en) |
AT (1) | ATE275027T1 (en) |
AU (1) | AU2001268922A1 (en) |
DE (3) | DE10023103C1 (en) |
WO (1) | WO2001085406A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2598763A (en) * | 2020-09-11 | 2022-03-16 | Reeveley Suzanne | Printer cartridge recycling |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE516129T1 (en) * | 2008-01-25 | 2011-07-15 | Ekotoner Ltd | METHOD AND SYSTEM FOR TREATING TONER CONTAINERS AND CARTRIDGES AS HAZARDOUS OFFICE WASTE FOR RECYCLING PURPOSES |
KR102543882B1 (en) * | 2021-11-16 | 2023-06-14 | 안혜인 | A waste plastic cutter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8910922U1 (en) * | 1989-09-13 | 1989-10-19 | Gloria-Werke H. Schulte-Frankenfeld Gmbh & Co, 4724 Wadersloh | Blade unit for waste shredder |
GB2334939B (en) * | 1998-03-06 | 2000-02-09 | Shun So | Can opener |
AU8993298A (en) * | 1998-09-08 | 2000-03-27 | Carnelley, Mark Thomas | Method and apparatus for processing a container comprising residue of the original contents |
JP2001071211A (en) * | 1999-09-06 | 2001-03-21 | Toyo Element Industry Co Ltd | Disassembling device for cartridge type filter element |
DE20008503U1 (en) * | 2000-05-11 | 2000-08-17 | Wagner Robert A | Device for shredding plastic cartridges |
-
2000
- 2000-05-11 DE DE10023103A patent/DE10023103C1/en not_active Expired - Fee Related
-
2001
- 2001-05-09 AU AU2001268922A patent/AU2001268922A1/en not_active Abandoned
- 2001-05-09 AT AT01947135T patent/ATE275027T1/en not_active IP Right Cessation
- 2001-05-09 EP EP01947135A patent/EP1282489B1/en not_active Expired - Lifetime
- 2001-05-09 DE DE10191743T patent/DE10191743D2/en not_active Expired - Fee Related
- 2001-05-09 WO PCT/DE2001/001801 patent/WO2001085406A2/en active IP Right Grant
- 2001-05-09 DE DE50103475T patent/DE50103475D1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0185406A2 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2598763A (en) * | 2020-09-11 | 2022-03-16 | Reeveley Suzanne | Printer cartridge recycling |
Also Published As
Publication number | Publication date |
---|---|
DE10023103C1 (en) | 2001-10-18 |
EP1282489B1 (en) | 2004-09-01 |
DE10191743D2 (en) | 2003-06-05 |
ATE275027T1 (en) | 2004-09-15 |
DE50103475D1 (en) | 2004-10-07 |
AU2001268922A1 (en) | 2001-11-20 |
WO2001085406A2 (en) | 2001-11-15 |
WO2001085406A3 (en) | 2002-03-28 |
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