WO2008028897A1 - Schwingmühle mit gleitführung - Google Patents
Schwingmühle mit gleitführung Download PDFInfo
- Publication number
- WO2008028897A1 WO2008028897A1 PCT/EP2007/059208 EP2007059208W WO2008028897A1 WO 2008028897 A1 WO2008028897 A1 WO 2008028897A1 EP 2007059208 W EP2007059208 W EP 2007059208W WO 2008028897 A1 WO2008028897 A1 WO 2008028897A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grinding
- guide
- unit
- plane
- mill according
- Prior art date
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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/14—Mills in which the charge to be ground is turned over by movements of the container other than by rotating, e.g. by swinging, vibrating, tilting
Definitions
- the invention relates to a vibrating mill, preferably a disc vibrating mill, comprising a grinding unit and a vibrating drive, by means of which the grinding unit can be excited to vibrate.
- a vibratory mill of this type is known in the art from DE 38 34456 C2.
- it can come by the type of suspension or installation on a solid footprint not only to a desired oscillation of the grinding vessel in a parallel to the grinding ground swing level, but also to vertical oscillations and tilting movements.
- the invention has the object, advantageously further develop a vibrating mill of the type mentioned, so that in particular vertical vibrations and tilting movements of the grinder and related disadvantages are avoided as much as possible.
- a holding device on which the oscillating drive is mounted and on which the grinding unit by means of at least one engaging on the milling unit sliding plane parallel to a ner swing level is kept movable. This makes it possible to ensure that the grinding unit carries out plane-parallel movements, ie displacement movements and in particular rotational movements, virtually perpendicular to the swinging plane, only with respect to the swinging plane.
- the holding device can be a frame-like device or a holding frame which has a high rigidity and to which both the oscillating drive and at least one guide counter-element of the sliding guide can be attached.
- the swinging plane is in the context of the invention, a practically solid reference plane, within or parallel to the only movements of the milling unit according to the vibration excitation are possible.
- This mobility thus includes displacements and rotations in which no appreciable component of motion perpendicular to the said swing plane is included.
- the sliding guide is adapted insofar that the grinding unit can not perform any rotational or tilting movements about axes of rotation parallel to the swinging plane and no movements perpendicular to the swinging plane.
- the term sliding guide includes any types of corresponding plane parallel guides.
- slideways formed from surfaces of two or more guiding or sliding elements which slide directly along one another and which, with a suitable coating (eg with plastic, such as, for example, PTFE), can either slide dry or with the use of a lubricant.
- a suitable coating eg with plastic, such as, for example, PTFE
- direct sliding guides are also those in which separate sliding or rolling elements are inserted between the elements guided to each other. It is preferred that the milling unit is held parallel to the plane movable to a plane spanned by the grinding ground reference plane. Alternatively or in combination, there is the possibility that the milling unit is held parallel to the plane movable to an eccentric drive plane determined by an eccentric rotation of the oscillating drive.
- the oscillating drive attached to the holding device suitable for the transmission of forces acting parallel to the rocker plane forces on the holding device, preferably flanged to it, is.
- a possible embodiment may consist in that the sliding guide at least one laterally over the housing base contour of the milling unit protruding, with the milling unit firmly connected guide element and at least one firmly connected to the holding means, the guide element with respect to a projection on the swing plane overlapping, to the guide element has parallel guide counter element.
- the grinding wall is surrounded by a housing part, preferably by a housing ring, of the milling unit, that the housing part is fixedly connected to an upper plate-like guide element and to a lower plate-like guide element spaced parallel thereto, the plate-like guide element Guide elements engage around the guide counter-element to form the slide.
- a first guide surface can be provided on the lower side and a second guide surface parallel thereto on the upper guide element, wherein parallel guide surfaces are assigned to the guide surfaces on the guide counter element.
- the vertical distance between the first and second guide surfaces can approximately correspond to the vertical distance between the associated first and second guide opposing surfaces.
- Favorable conditions for the guidance are achieved when the sliding guide on the milling unit acts at least approximately at the height of the center of gravity of the milling unit and / or approximately at the height of the center of gravity of the grinding wall and / or a grinding ring and / or a grinding stone.
- a preferred embodiment is seen in that the upper guide surface at or above the grinding chamber and that the lower guide surface is arranged at or below the grinding chamber.
- the guide counter element a housing portion of the milling unit, preferably the housing ring, with respect to the management level, leaving one for the vibratory drive sufficient lateral space, preferably along the entire circumference, surrounds.
- the housing ring which may have a cylindrical outer wall, is arranged with lateral play in a preferably round or also cylindrical view center opening of the guide counter element and the plate-like guide elements in each possible oscillating position of the milling unit over the edge of Survive the center opening.
- the oscillating drive there is the possibility that it has a drive motor attached to the holding device, which rotatably drives an eccentric in an eccentric drive plane, and that the eccentric engages on the grinding unit for vibrational excitation.
- the eccentric can have an eccentric pin which engages in a pivot bearing, for example a ball bearing, accommodated on the milling unit, preferably on the underside.
- the grinding unit can comprise a cooling device acting on the grinding wall, which preferably has at least one cooling channel directly adjoining the grinding wall on the outside.
- a discharge channel can be present, which surrounds the grinding ground along its circumference, in the cross section radially outward and subsequently offset downwards.
- the grinding floor can adjoin with its edge directly to the lateral grinding wall, on the other hand be moved to divert the comminuted material to be ground in the discharge channel in a position moved away from the grinding wall, so that a passage from the grinding chamber to the discharge channel. It is preferred that the
- Fig. 3 is a side view in the viewing direction III of FIG. 1 and
- FIG. 4 shows the partial section IV according to FIG. 3.
- Fig. 1 shows in sectional view a vibrating mill 1 according to the invention, especially a disc vibrating mill, according to a preferred embodiment.
- This has a frame-like, ie inherently rigid holding device 2, an oscillating drive 3 mounted thereon and a grinding unit 4 which can be excited thereby to produce torsional vibrations.
- the grinding unit 4 represents a module which can be excited to vibrate by a separate vibratory drive which acts on the grinding unit to take up and comminute grinding material.
- the grinding unit comprises a grinding wall 5, a grinding bottom 6 and a grinding lid 7, which together have a grinding chamber 8.
- a grinding through the grinder 7 opening 9 an in the vibratory mill to be crushed, not shown with regrind, such as, for example, a granular material sample of rock, ore or slag.
- the comminution can preferably be carried out down to a particle size in the order of microns and, for example, for the preparation of the ground material for material analysis, eg. For the investigation of the composition by means of an X-ray spectrometer serve.
- the comminution of the ground material takes place in that, due to its dimensions which are smaller in comparison with the grinding ground 6, moving millstone 10 carries out movements in the grinding space in the grinding space 8, wherein the ground material is in the grinding gap 11 which continuously changes in width between grinding wall 5 and grinding stone 10 is crushed.
- a grinding gap that is as parallel as possible to be formed.
- a so-called grinding ring (not shown) may be accommodated in the grinding chamber.
- the dimensions or diameter are adjusted so that the grinding ring within the grinding wall 5 and the grinding stone within the Mahlringes slidably rests on the grinding base 6.
- the grinding unit 4 is excited by means of the oscillating drive 3 in the manner described in more detail with reference to FIG. 2 to torsional vibrations.
- a sliding guide acts on the milling unit 4. This ensures that the grinding unit 4 is held on the holding device 2 only plane-parallel movable to a swing plane as a respect.
- the direction of the swing plane is given by the slide 12 and by the direction of their sliding surfaces and extends in the embodiment shown in the direction or parallel to the surface of the grinding floor 6.
- the frame-like holding device 2 from a number of fixedly on a shelf 13 uprights 14, a mounted thereon, for example bolted bearing plate 15 and turn a group of substantially rigidly upstanding from the bearing plate 15 supports 16, in which it is in the example chosen, but not necessary to extruded profiles trained.
- the Mahlium 4 facing surfaces of the supports 16 each L 17 is attached by means of screws 17 an L-profile.
- each of the support 16 to the milling unit 4 protruding leg is screwed in the region of its free end to an outer annular flange 19 of the grinding unit 4 thereby holding in the vertical direction ring member.
- the guide counter-element 20 which forms the sliding guide 12 together with an upper and a lower guide element 21, 22.
- the preferably closed at its periphery guide counter-element 20 surrounds a housing portion of the milling unit 4, in the example shown specifically a housing ring 23, with respect to the guide plane S, leaving a sufficient for the oscillating drive lateral clearance 24.
- a corresponding oscillatory movement is generated by the oscillating drive 3 shown in FIG. 1.
- a component designated overall as a drive eccentric 30, is rotationally positively held, whose motor-facing sleeve section 31 concentric with the motor shaft 29 is rotatably mounted in an engine mount 32 accommodated by the bearing flange 28.
- An eccentric pin 33 extending eccentrically from the section 31 (see eccentricity e in Fig. 2) engages in a rotary bearing 35 accommodated on the milling unit 4 on the underside in a bearing receptacle 34.
- the rotation of the eccentric pin 33 results in a perpendicular to the motor shaft 29
- Eccentric drive plane E (see Fig. 2) defined, which is parallel to the swing plane S spaced. It becomes clear that the oscillating drive 3 is mounted on the holding device 2 suitable for transmitting forces acting parallel to the oscillating plane S on the holding device 2.
- Fig. 2 illustrates on the basis of an enlarged detail of the section II of Fig. 1 some other structural details.
- a guide surface 36 is provided on the upper guide element 21 on the underside, and a further guide surface 37 parallel thereto is provided on the upper guide element 22 on the upper side.
- the surfaces 36, 37 are assigned to the guide counter-element 20, which has the function of a sliding ring, respectively upper and lower side parallel guide counter surfaces 38, 39.
- the upper guide surface 36 above the grinding chamber 8 and the lower guide surface 37 is arranged approximately at the height of the height-adjustable grinding ground 6.
- Fig. 2 (notwithstanding Fig. 1 for the grinding operation) to be selected for emptying comminuted material to be ground from the grinding chamber 8 lower travel position of the grinding ground.
- the grinding soil 6 with the grinding wall 5 edges edged a gap 41, through which the comminuted regrind passes, due to centrifugal forces, into the likewise annularly extending discharge channel 42, offset in cross section radially outwards and downwards.
- the material to be ground is transported by the oscillating movement to a discharge area 43 and finally to an outlet 44.
- the positional adjustment of the grinding ground 6 can take place by means of a bidirectional lifting device 45, in the example of a pneumatic cylinder-piston unit by means of selective pressurization of an upper or lower pressure chamber 46, 47.
- the pivot bearing 35 is connected on the upper side to a base plate 51 of the grinding unit 4. that which forms the basis for said cylinder-piston unit.
- the guided therein piston 45 ' is rigidly supported at its remote cross section to achieve a possible tilt-free adjustment relative to the housing of the milling unit and the grinding ground.
- an eccentric longitudinal section of the drive eccentric 30 has an eccentric counterweight 48, the contour of which can be taken from FIG. 4, slid and can be secured in an adjustable peripheral position with a screw 49.
- the grinding unit 4 also comprises a cooling device acting on the grinding wall 5, which in the exemplary embodiment has an outside on the grinding wall 5 has immediately adjacent cooling channel 50. This can be flowed through by a coolant, such as, for example, water, which is passed through inlets and outlets, not shown in the drawing, so that in particular in connection with an external cooling unit with a control or regulation a targeted temperature control is possible.
- a coolant such as, for example, water
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Seats For Vehicles (AREA)
- Chairs Characterized By Structure (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800416918A CN101553316B (zh) | 2006-09-08 | 2007-09-04 | 带有滑动导轨的振动磨 |
DE502007003348T DE502007003348D1 (de) | 2006-09-08 | 2007-09-04 | Schwingmühle mit gleitführung |
AT07803188T ATE462497T1 (de) | 2006-09-08 | 2007-09-04 | Schwingmühle mit gleitführung |
AU2007293868A AU2007293868B2 (en) | 2006-09-08 | 2007-09-04 | Vibration mill having sliding guide |
EP07803188A EP2063993B1 (de) | 2006-09-08 | 2007-09-04 | Schwingmühle mit gleitführung |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006042824 | 2006-09-08 | ||
DE102006042824.2 | 2006-09-08 | ||
DE102007017131A DE102007017131A1 (de) | 2006-09-08 | 2007-04-11 | Schwingmühle mit Gleitführung |
DE102007017131.7 | 2007-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008028897A1 true WO2008028897A1 (de) | 2008-03-13 |
Family
ID=39105204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/059208 WO2008028897A1 (de) | 2006-09-08 | 2007-09-04 | Schwingmühle mit gleitführung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2063993B1 (de) |
CN (1) | CN101553316B (de) |
AT (1) | ATE462497T1 (de) |
AU (1) | AU2007293868B2 (de) |
DE (2) | DE102007017131A1 (de) |
WO (1) | WO2008028897A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106733061A (zh) * | 2017-03-15 | 2017-05-31 | 浙江通宝表面处理设备科技有限公司 | 一种用于振磨机的降噪机构 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008035008A1 (de) | 2007-09-14 | 2009-04-30 | PFAFF AQS GmbH automatische Qualitätskontrollsysteme | Schwingmühle und Reinigungsverfahren für Schwingmühle |
DE102008035009A1 (de) | 2007-09-14 | 2009-05-20 | PFAFF AQS GmbH automatische Qualitätskontrollsysteme | Schwingmühle |
CN107127035B (zh) * | 2017-06-12 | 2022-05-27 | 东北大学 | 一种立式双通道双机自同步振动惯性破碎机及参数确定方法 |
US10518269B2 (en) * | 2017-10-13 | 2019-12-31 | SPEX SamplePrep, LLC | Grinding mill with securing frame |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2168093A (en) * | 1936-08-27 | 1939-08-01 | Sullivan Machinery Co | Size-reducing mill |
CH509102A (de) * | 1969-06-13 | 1971-06-30 | Brehm Dr Ingbureau Ag | Verfahren und Einrichtung zum Vermahlen einer Feststoff-Flüssigkeits-Suspension mittels Schwingmühle |
DE2218318A1 (de) * | 1972-04-15 | 1973-10-25 | Gottfried Herzog | Schwingmuehle zum mahlen, homogenisieren und vermengen von feststoffen, chemischen produkten und deren ausgangsstoffen |
-
2007
- 2007-04-11 DE DE102007017131A patent/DE102007017131A1/de not_active Withdrawn
- 2007-09-04 WO PCT/EP2007/059208 patent/WO2008028897A1/de active Application Filing
- 2007-09-04 AU AU2007293868A patent/AU2007293868B2/en not_active Ceased
- 2007-09-04 EP EP07803188A patent/EP2063993B1/de active Active
- 2007-09-04 CN CN2007800416918A patent/CN101553316B/zh not_active Expired - Fee Related
- 2007-09-04 AT AT07803188T patent/ATE462497T1/de active
- 2007-09-04 DE DE502007003348T patent/DE502007003348D1/de active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2168093A (en) * | 1936-08-27 | 1939-08-01 | Sullivan Machinery Co | Size-reducing mill |
CH509102A (de) * | 1969-06-13 | 1971-06-30 | Brehm Dr Ingbureau Ag | Verfahren und Einrichtung zum Vermahlen einer Feststoff-Flüssigkeits-Suspension mittels Schwingmühle |
DE2218318A1 (de) * | 1972-04-15 | 1973-10-25 | Gottfried Herzog | Schwingmuehle zum mahlen, homogenisieren und vermengen von feststoffen, chemischen produkten und deren ausgangsstoffen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106733061A (zh) * | 2017-03-15 | 2017-05-31 | 浙江通宝表面处理设备科技有限公司 | 一种用于振磨机的降噪机构 |
Also Published As
Publication number | Publication date |
---|---|
CN101553316A (zh) | 2009-10-07 |
AU2007293868A1 (en) | 2008-03-13 |
DE102007017131A1 (de) | 2008-03-27 |
DE502007003348D1 (de) | 2010-05-12 |
ATE462497T1 (de) | 2010-04-15 |
EP2063993B1 (de) | 2010-03-31 |
AU2007293868B2 (en) | 2011-04-21 |
CN101553316B (zh) | 2012-06-27 |
EP2063993A1 (de) | 2009-06-03 |
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