EP1708815A1 - One-sided double folding frame for roller presses - Google Patents
One-sided double folding frame for roller pressesInfo
- Publication number
- EP1708815A1 EP1708815A1 EP05700698A EP05700698A EP1708815A1 EP 1708815 A1 EP1708815 A1 EP 1708815A1 EP 05700698 A EP05700698 A EP 05700698A EP 05700698 A EP05700698 A EP 05700698A EP 1708815 A1 EP1708815 A1 EP 1708815A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- roller
- rollers
- side flap
- roller press
- 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
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/028—Loading or unloading of dies, platens or press rams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
- B30B3/04—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with one another, e.g. with co-operating cones
Definitions
- Frame for roller presses that can be folded open on one side
- the invention relates to a roller press with a folding frame consisting of a lower frame part, a frame upper flange and two laterally arranged head pieces, at least one head piece with a part of the frame upper belt arranged thereon forms a side flap which is arranged on the lower frame part and can be folded open, and at least in the folding frame two rollers positioned side by side are placed, which can be removed laterally in a roller removal position of the snap frame via the removal opening formed by the opened side flap from the snap frame
- Roller presses are used for briquetting, crushing and compacting processes in processing plants. Granules are filled between two rollers via a feed chute. The rollers press the granules together, crush them or compact them. Roller presses thus change the granulate state of the starting material. For example, briquettes are formed or Fine dust produced The rollers are subject to significant wear and tear and have to be serviced or replaced at certain intervals. Such replacement and maintenance work, as well as the associated controls, result in downtimes of the roller press and the associated entire processing system
- the task is to minimize the downtimes for roller presses, since in the case of briquetting, shredding and compacting, the downtimes of the plant are essentially determined by the exchange of worn tools, i.e. bandages, segments, etc.
- worn tools i.e. bandages, segments, etc.
- the rollers on which the tools are arranged have to be removed from the machine
- high downtime costs can arise due to the downtimes when changing the rollers, especially when operating several machines in one process, for example hot chaining, maintenance work takes a lot of time
- this side flap can also be a part of the Include upper frame belt, which is firmly connected to the head piece and serves as a stop when pulling out the rollers.
- the front roller in order to be able to replace or maintain the rear roller of the pair of rollers, the front roller must also be removed in such a one-sided folding frame, which is for the If the rear roller is replaced or checked alone, it is an advantage that, in the case of a one-sided folding frame, both rollers can be lifted and transported away from a ceiling crane without having to dismantle the feed shaft of the roller press (see Fig. 4)
- roller frames which cannot be opened, but in which the upper area of the machine has to be dismantled, require significantly more assembly work than folding frames.
- the allotment unit must be dismantled and removed using complex displacement mechanisms Frame also significantly increased the time required for changing or maintaining the rollers compared to snap frames It is therefore an object of the present invention to provide a frame for roller presses which avoids the disadvantages of the folding frames known hitherto in the prior art and enables short downtimes when changing the rollers
- roller press enables simple and convenient removal or maintenance of the rollers by means of an enlarged removal opening of the folding frame.
- the use of this folding frame realizes quick roller disassembly with simple logistics and minimal dismantling effort on the overall system.
- These roller presses according to the invention are particularly advantageous for systems in where several machines need regular maintenance or rollers have to be regenerated and downtimes add up
- the opened head piece and the swung-open part of the frame top flange of the side flap can form an extension of the lower frame part and can be designed as a load-bearing section for receiving the rollers a ceiling crane, enables the rear roller of the pair of rollers to be removed from the support sections and, if necessary, replaced, while the front roller remains on the support sections.
- the load-bearing support sections protrude far beyond the base area of the closed folding frame of the roller press, however, this is only possible when the machine is at a standstill If the system is the case, both a possible protrusion of the support sections into a guideway and a general risk of danger are to be regarded as uncritical
- a modification provides that a roller is designed as a loose roller and the loose roller is arranged on the side of the side flap in the snap frame. Since the wear of the loose roller is statistically greater than the wear of the fixed roller, this arrangement allows for an overall effortless assembly and associated downtimes
- a roller is designed as a loose roller and the loose roller is arranged in the snap frame opposite the side of the side flap. In such an embodiment, the pressing device required for pressing the loose roller in the direction of the fixed roller does not have to be pulled out of the folding frame when the rollers are replaced and can remain in the folding frame even when the rear roller is replaced or serviced.
- the pivotable part of the upper frame can expediently extend over between 25% and 50% of the upper frame. This enables a large removal opening with only a slight protrusion of the support sections with respect to the roller press and nevertheless sufficient access for the removal of the rollers.
- the pivotable part of the frame top flange can also be enlarged by the length of the pressing device.
- the length of the pivotable part of the upper frame can correspond at least to the height of the head pieces arranged on the side.
- a preferred variant provides that a feed device is arranged on the frame upper belt and the pivotable part of the frame upper belt extends to the feed device.
- a favorable design of the roller press according to the invention can provide that means are provided for laterally moving the rollers. This enables the rollers to be pulled out or pulled out from the side of the covered area of the snap frame onto the opened head piece or the swung-open part of the upper frame belt.
- the lateral travel of the rollers can extend as far as the opened side flap or the swung-open part of the upper frame belt.
- FIG. 1 shows a schematic representation of a roller press according to the invention with a closed snap frame
- FIG. 2 shows a schematic representation of the roller press from FIG. 1 with the folding frame open, only the side head piece being opened
- FIGS. 1 and 2 shows a schematic illustration of the roller press according to FIGS. 1 and 2, in which the foldable side head piece and the pivotable part of the frame upper chord are opened and the rollers are pulled laterally onto the opened frame parts,
- FIG. 4 shows a schematic illustration of a roller press according to the prior art with a folding frame which can be opened on one side
- FIG. 5 shows a schematic illustration of a roller press according to the prior art with a folding frame which can be opened on both sides
- the roller press 1 shows a schematic representation of a roller press 1 in a side plan view.
- the roller press 1 comprises a folding frame 2 and two rollers 3 and 4.
- the rollers 3 and 4 are while of the operation arranged inside the folding frame 2
- the folding frame 2 consists of a lower frame part 5, a frame upper belt 6 and two laterally arranged head pieces 7 and 8, a head piece 7 firmly connecting the lower frame part 5 and the upper frame belt 6, while the second head piece as one A side flap is formed on the lower frame part 5.
- the lower frame part 5 has upwardly protruding erection sections 9, for erecting the roller press 1 on a surrounding surface, on top of the rollers 3 and 4 and above the upper frame belt 6 of the hinged frame 2, a funnel-shaped feed device 10 is arranged device 10 has two openings, the granulate to be processed being filled in the upper opening, while it passes through the lower opening into a gap between the rollers 3 and 4 During operation, a roller, here roller 3, is fixedly arranged in the folding frame 2, while the second roller (roller 4) is movable and is pressed in the direction of the fixed roller by a pressing device 11.
- a movable part 12 of the upper frame 6 connected to the head piece 8 extends, so that the side flap consists of the head piece 8 and the movable part 12.
- the head piece 8 of the side flap is fastened to the lower frame part 5 by means of a joint 13 and the movable part 12 of the upper frame belt 6 is in turn fastened to the head piece 8 of the side flap by means of a second joint 14.
- the joints 13 and 14 are arranged at opposite ends of the head piece 8.
- the movable part 12 of the frame upper belt 6 is fastened in the region of the feed device 10 by means of a releasable fastening device 15 to the non-movable section of the frame upper belt 6.
- the lower frame part 5, the fixed head piece 7 and the non-movable section of the upper frame belt 6 together form a stable section of the snap frame 2 in the form of an open C-profile.
- the fixed section of the upper frame belt 6 carries the feed device 10 and further system parts necessary for feeding granulate, for example material feed, bunker, etc.
- FIG. 2 shows the roller press 1 according to the invention with the folding frame 2 from FIG. 1 in a partially opened state.
- the side flap has been pivoted about the joint 13 in the direction of the arrow shown.
- the head piece 8 of the side flap is supported in this swung-open position with a support section 16 in relation to the surrounding surface in order to form, together with the lower frame part 5, a plane for lateral movement of the rollers 3 and 4.
- Fig. 3 the folding frame 2 is shown in a fully pivoted position.
- the movable part 12 of the frame upper flange 6 was pivoted around the joint 14 in the direction of the arrow when the head piece 8 was opened.
- the movable part 12 like the head piece 8 of the side flap, is supported by a further support section 17 on the surrounding surface and, together with the head piece 8 and the lower frame part 5, forms a common plane for lateral movement of the rollers 3 and 4.
- the rollers 3 and 4 are placed on the movable part 12 and the head piece 8 of the side flap in the assembled state shown in FIG. 3.
- the mode of operation of the snap frame 2 is explained in more detail below:
- the side flap can be opened from the head piece 8 and the movable part 12 of the upper frame belt 6 connected to it when an upcoming exchange of the press rollers or necessary maintenance work, for which purpose the locking device 15 must first be released.
- the head piece 8 is pivoted about the joint 13 and the movable part 12 about the joint 14, so that a large removal opening is formed.
- the head piece 8 and the movable part 12 of the upper frame belt 6 are supported with support sections 16 and 17 on an installation surface and, together with the lower frame part 5, form a plane for lateral movement of the rollers 3 and 4.
- the pressing device 11 In order to get to the rollers 3 and 4, the pressing device 11 must first be moved or removed, for example lifted from the removal opening by a ceiling crane. Then, depending on the requirement of disassembly or maintenance, the loose roller 4 alone or additionally also the fixed roller 3 is pulled laterally out of its operating position in the snap frame 2 into the region of the removal opening, by means of a lateral pulling device or a hydraulic displacement device. According to the lateral movement of the rollers 3 and 4, they are placed on the movable part 12 of the upper frame and the head piece 8 of the side flap, and are easily accessible and removable from the folding frame by means of a ceiling crane or other lifting devices, as in FIG Arrows indicated.
- the folding frame 2 also consists of a lower frame part 5, a frame upper flange 6, a lateral head piece 7, which together form a non-movable C-profile, and a hinged side flap from a second head piece 8.
- the rollers 3 and 4 can be removed individually from the folding frame.
- roller 3 If only the front roller (here roller 3) needs to be replaced or serviced, this is possible in a simple manner, since the front roller can be pulled out of the snap frame 2 onto the side flap and serviced there or lifted off for replacement.
- the front roller when servicing or replacing the rear roller, in this case the more wear-prone loose roller (roller 4), the front roller must first be pulled out of the snap frame 2 and lifted off the side flap. Only then can the rear roller be pulled out into the area of the side flap for maintenance or replacement.
- rollers 3 and 4 can be pulled independently of one another on each side of the folding frame 2 onto a respective side flap consisting of the head pieces 8, in order to have one from there Allow maintenance or replacement.
- this requires access to the roller press 1 on both sides and devices for lifting the rollers 3 and 4 on both sides.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Press Drives And Press Lines (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Forging (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004001187U DE202004001187U1 (en) | 2004-01-27 | 2004-01-27 | Double-fold frame for roller presses on one side |
PCT/EP2005/000035 WO2005070549A1 (en) | 2004-01-27 | 2005-01-05 | One-sided double folding frame for roller presses |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1708815A1 true EP1708815A1 (en) | 2006-10-11 |
EP1708815B1 EP1708815B1 (en) | 2007-08-29 |
Family
ID=34223644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05700698A Not-in-force EP1708815B1 (en) | 2004-01-27 | 2005-01-05 | One-sided double folding frame for roller presses |
Country Status (7)
Country | Link |
---|---|
US (1) | US7451945B2 (en) |
EP (1) | EP1708815B1 (en) |
CN (1) | CN100469450C (en) |
AT (1) | ATE371500T1 (en) |
DE (2) | DE202004001187U1 (en) |
DK (1) | DK1708815T3 (en) |
WO (1) | WO2005070549A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005045273A1 (en) * | 2005-09-22 | 2007-03-29 | Khd Humboldt Wedag Gmbh | Two-roll machine especially for comminution |
DE102006004282A1 (en) * | 2006-01-31 | 2007-08-02 | Khd Humboldt Wedag Gmbh | Roller press, to crush and compact clinker and the like for a material bed, has paired rollers with bearing housings on brackets to move on upper/lower sliding paths |
DE102006032362A1 (en) * | 2006-07-13 | 2008-01-17 | Khd Humboldt Wedag Gmbh | Roller press especially for comminution |
DE102007031879B4 (en) | 2007-07-09 | 2009-07-02 | Polysius Ag | Roller press with displaceable head pieces |
DE102008019830B4 (en) * | 2008-04-11 | 2019-01-24 | Khd Humboldt Wedag Gmbh | Circulation meter with external risers |
ITUD20080148A1 (en) * | 2008-06-26 | 2009-12-27 | Danieli Davy Distington Ltd | COVERING DEVICE FOR A SHREDDER SYSTEM |
IT1397030B1 (en) * | 2009-11-19 | 2012-12-20 | Raf Ricambi Attrezzature Per La Frantumazione S P A | CRUSHER MILL. |
DE102010048214B4 (en) * | 2010-10-12 | 2016-02-04 | Khd Humboldt Wedag Gmbh | Closure element for a machine frame of a roller press |
RU2014105512A (en) * | 2011-07-14 | 2015-08-20 | Зе Юниверсити оф Мельбурн | IMPROVEMENT OF METHODS OF COMPRESSION OF MATERIALS AND / OR REMOVAL OF THEIR MOISTURE |
AU2013311013B2 (en) * | 2012-08-21 | 2017-07-13 | Bhausaheb NIKAM | An improved two roller sugarcane crushing mill |
DE202012008841U1 (en) * | 2012-09-14 | 2012-11-15 | Khd Humboldt Wedag Gmbh | Roller press with pulling device for simplified installation and removal of the rollers |
DE102012112102B3 (en) | 2012-12-11 | 2013-12-24 | Maschinenfabrik Köppern GmbH & Co KG | roll press |
DE102013110981A1 (en) * | 2013-10-02 | 2015-04-02 | Thyssenkrupp Industrial Solutions Ag | A method of operating a plant having at least one aggregate having a rotating surface |
CN106552691B (en) * | 2015-09-29 | 2020-04-17 | 中粮工程装备(张家口)有限公司 | Grinding roller bearing structure and milling machine |
EP3380244A4 (en) * | 2015-11-24 | 2019-05-08 | FLSmidth A/S | System and method for roller press drive removal |
US10391675B2 (en) * | 2016-04-22 | 2019-08-27 | Millco Product Solutions Llc | Convertible recycling apparatus for synthetic resin materials |
WO2017197074A1 (en) * | 2016-05-12 | 2017-11-16 | Oronoko Ironworks, Inc. | Modular roller grinding mill |
PL3248687T3 (en) * | 2016-05-23 | 2020-03-31 | Manuel Lindner | Two-shaft shredder having quick change device |
CN110142087B (en) * | 2019-06-21 | 2021-08-03 | 绍兴文理学院 | High-pressure roller mill |
CN112295649A (en) * | 2020-09-17 | 2021-02-02 | 楼路洁 | Building construction is with abandonment brick breaker |
CN114011503B (en) * | 2022-01-05 | 2022-03-15 | 江苏鹏飞集团股份有限公司 | Roller press convenient to maintain |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2305626C3 (en) * | 1973-02-06 | 1978-03-09 | Maschinenfabrik Koeppern Gmbh & Co Kg, 4320 Hattingen | Two-roll press with rolls next to each other |
DE3039743C2 (en) * | 1980-10-22 | 1985-06-27 | Maschinenfabrik Köppern GmbH & Co KG, 4320 Hattingen | Device for changing the rollers in two-roller presses |
CN2119960U (en) * | 1992-01-15 | 1992-10-28 | 娄底市复合肥料厂 | Double-roller crusher |
CN2213024Y (en) * | 1994-12-26 | 1995-11-22 | 周绍华 | Combined double roller press |
DE19633670A1 (en) * | 1996-08-21 | 1998-02-26 | Voith Sulzer Finishing Gmbh | Mechanism permitting easy interchange of rollers in calender stack |
DE10018271A1 (en) * | 2000-04-13 | 2001-10-18 | Kloeckner Humboldt Wedag | Pressing machine for granular materials has swinging frame with lower pivot point lying perpendicularly to axes of rolls so that after swinging away of frame both rolls can be freely withdrawn upwards from machine frame |
US7229041B2 (en) * | 2004-06-30 | 2007-06-12 | Ohio Central Steel Company | Lifting lid crusher |
-
2004
- 2004-01-27 DE DE202004001187U patent/DE202004001187U1/en not_active Expired - Lifetime
-
2005
- 2005-01-05 AT AT05700698T patent/ATE371500T1/en not_active IP Right Cessation
- 2005-01-05 DK DK05700698T patent/DK1708815T3/en active
- 2005-01-05 US US10/587,284 patent/US7451945B2/en active Active
- 2005-01-05 EP EP05700698A patent/EP1708815B1/en not_active Not-in-force
- 2005-01-05 CN CNB2005800032143A patent/CN100469450C/en not_active Expired - Fee Related
- 2005-01-05 DE DE502005001375T patent/DE502005001375D1/en active Active
- 2005-01-05 WO PCT/EP2005/000035 patent/WO2005070549A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO2005070549A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE371500T1 (en) | 2007-09-15 |
CN1913969A (en) | 2007-02-14 |
DE502005001375D1 (en) | 2007-10-11 |
CN100469450C (en) | 2009-03-18 |
DK1708815T3 (en) | 2007-11-12 |
US7451945B2 (en) | 2008-11-18 |
EP1708815B1 (en) | 2007-08-29 |
WO2005070549A1 (en) | 2005-08-04 |
DE202004001187U1 (en) | 2005-02-24 |
US20070187538A1 (en) | 2007-08-16 |
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