WO1995033551A1 - Vorrichtung zum streifen- oder tropfenförmigen ausbringen fliessfähiger massen auf ein transportband - Google Patents
Vorrichtung zum streifen- oder tropfenförmigen ausbringen fliessfähiger massen auf ein transportband Download PDFInfo
- Publication number
- WO1995033551A1 WO1995033551A1 PCT/EP1995/001964 EP9501964W WO9533551A1 WO 1995033551 A1 WO1995033551 A1 WO 1995033551A1 EP 9501964 W EP9501964 W EP 9501964W WO 9533551 A1 WO9533551 A1 WO 9533551A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drum
- guide
- conveyor belt
- ring
- assigned
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
Definitions
- the invention relates to a device for the strip-like or drop-shaped dispensing of flowable masses onto a conveyor belt which passes underneath, with two drums which can be rotated relative to one another and are mounted concentrically one inside the other, the rotatable outer drum being provided with openings which are cyclically rotated with at least one an opening of the stationary inner drum facing the conveyor belt and corresponding to the width of the conveyor belt can be made to coincide, as well as with a guide surrounding the outer drum in a peripheral region facing away from the conveyor belt, which is arranged around a swivel bracket arranged perpendicular to the Axis of the drums axis is arranged to be pivotable away from the casing of the drum and is secured in the operating position parallel to the drum axis by a holding device acting coaxially on the stationary drum.
- the invention is therefore based on the object of ensuring a stable securing of the guide post in a device of the type mentioned in the introduction and also insensitive to changes in length.
- the ring can be guided on a guide surface of the fixed drum in such a way that there is also a certain axial displaceability. Axial extensions of the drums, which are caused by changing temperatures, can be compensated for in this way. Skewing of the bracket and the guide is reliably prevented.
- the inner diameter of the ring can also be provided with rings resting on the fixed drum surface with a certain elasticity, so that it is also possible to compensate for any radial changes in diameter that may occur.
- the elastic rings also serve to hold the ring and the coupling device assigned to it in a certain position on the fixed drum when the holding arm and guide have been removed and pivoted, so that a new coupling is readily possible when the holding arm is pivoted back is.
- the coupling device consists of a cone assigned to one of the two parts to be coupled and a receiving sleeve for the cone assigned to the other part, the cone and receiving sleeve being connectable to one another via an axial screw pin , which engage in part of a knurled nut and can be clamped with the help of it, so that a firm connection between the stationary drum and the holder of the guide is also ensured.
- the guide has to change its position to a certain extent with respect to the outer rotatable drum. Since its rear end in the direction of rotation is to ensure that material adhering to the outside of the drum is pressed back into the openings of the rotatable drum before the drip point, the circumference of the rotatable drum left free by the guide before the drip point must be made according to the size of one pastille-like product also have a different size, which can be achieved in that the deflector is either shifted towards the draining point, ie towards the conveyor belt, or towards the other side in the direction of the upper half of the drums.
- the present invention avoids this disadvantage in that the holding arm is provided with guide plates for the guide, which are provided with a link guide for sliding parts connected to the guide, the link guide corresponding to an arcuate section, the center of which lies on the drum axis.
- the holding arm itself no longer needs to be moved out of its position in order to adjust the position of the guide. It is sufficient to move the guide appropriately in relation to the holding arm, which is extremely simple due to the slotted guide provided.
- the adjustment can take place, for example, by means of an adjusting spindle, which runs between the guide and the holding arm and enables the guide to be moved as desired in its slide guide.
- the link guide is designed as a web describing a quarter-circle arc, on which a slide piece connected to the guide is guided, which at least partially encompasses the web.
- This slider can also be secured with clamping screws in relation to the link guide if the desired setting has been made via the adjusting spindle. This ensures that the position is adequately secured.
- the rotoformer which is cantilevered on one side and consists of the fixed and the rotatable drum, has a bearing housing on its fastening side, which was also secured to a support plate of the support frame in a certain position by claws. If adjustment was necessary, the claws, i.e. the bearing housing is fixed in relation to the frame in order to make the desired adjustment.
- This type of construction entails the risk that when the pivot bearing is released and when the rotary drive for the outer drum is switched on unintentionally, the inner, normally stationary drum also rotates.
- the invention therefore proposes in a device of the type mentioned at the outset with a fixed drum which is angularly adjustable about its axis in a fixed supporting frame, that the angular adjustment of the fixed drum takes place with the aid of a self-locking worm gear, the worm wheel of the drum and the worm spindle of the fixed Support frame are assigned.
- the worm spindle can be equipped with a handwheel that is accessible from the outside.
- FIG. 1 shows a schematic top view of a device according to the invention with a so-called rotoformer and a pivotable deflector, which is shown in the operating position and in a pivoted-down position,
- FIG. 3 shows the section through the device of FIG. 1 along the line III-III
- FIG. 5 is an enlarged partial plan view of the bearing of the device of FIG. 1,
- FIG. 7 is an enlarged schematic representation of the section along the line VII-VII in FIG. 1, and
- FIG. 8 shows the section along the line VIII-VIII through FIG. 7.
- FIG. 1 to 4 show a device for dropletizing melts, which works according to the method known in practice under the name "Rotoform”.
- This device consists of two concentrically guided drums, of which the outer one (1) is provided with openings over its entire circumference and over almost the entire length in a manner not shown.
- This outer tubular drum (1) has bearings (2) at both ends, with which it can rest on the inner cylindrical Rischen drum is rotatably mounted.
- the inner drum is largely overhung at its right end between two vertical plates (2, 3) of a supporting frame (4) and can be supplied with a melt to be dripped and with a heating medium that is suitable for a via connections (5) known per se Temperature control of the device ensures.
- a ring (6) is provided (see also FIG. 6), which sits on a cylindrical end (16a) of the inner drum, which over the outer tube (1) and its bearing (2) protrude.
- the inner drum is self-evident and is closed in a known manner at this free end.
- the material to be dripped through the connections (5) is thereby discharged downwards onto a conveyor or cooling belt (7) which is guided under the drum (1) and which the openings provided in the drum (1) rotate as they rotate cyclically to cover with a slot or a series of openings in the inner drum (16), which are directed towards the conveyor belt or cooling belt (7).
- a drive motor (8) is provided, the drive shaft (9) of which drives a gearwheel (11) which is fixedly connected to the drum (1) via a chain (10).
- the support frame (4) is attached to the support frame (12) of a cooling belt, not shown, in which a deflection drum (13) shown in FIG. 4 is also arranged, over which the transport or cooling belt (7) is guided.
- the rotoformer is also provided with an adjustable support on the side facing away from its mounting on the plates (3), with which it is possible, in particular when the conveyor belt or cooling belt (7) is to be moved very close to the outer drum (1) in order to achieve an exact distance between drum (1) and belt (7) over the entire bandwidth.
- the inner drum is to a certain extent adjustable in angle between the two plates (3). Such an adjustment is e.g. This is necessary if a transition is to be made from the manufacture of one product to another and if for this purpose the drain point for the melt changes somewhat in relation to the conveyor and cooling belt (7), for example somewhat in relation to a vertical plane running through the drum axis should be adjusted in advance or in the direction of tape travel against the tape running direction. This is achieved in that the inner drum body (16), which is then stationary during operation, in the area between the two bearing plates (3), i.e.
- the worm gear is designed so that it has a self-locking effect. If the locking devices provided for the once set position of the inner drum body (16) are therefore released, then an undesired rotation of the inner drum body (16) cannot occur even if the drive (8) is switched on for some reason . The self-locking of the worm gear keeps the inner drum body (16) in position. There is therefore no danger that the inner drum (16) will become rotated with the connections (5) and hose connections (not shown) when the inner drum (16) is loosened.
- a guide (15) on the outer drum (1) there is a guide (15) on the outer drum (1), the length of which corresponds approximately to the drip width.
- This guide which is heated, serves to push product residues adhering to the outer drum (1), which could interfere with the dripping process, back into the openings before the draining point.
- the guide (15) is connected via support arms (22) to a swivel arm (23) which is attached to the support frame (4)
- a pivot axis (24) extending perpendicular to the axis (21) of the drums (1 and 16), can be pivoted away from the periphery of the drum (1) and, for example, can be moved into position (23 ').
- the pivot axis (24) and the mounting of the pivot arm (23) are assigned a quarter-circular locking device (25) with three locking recesses, which cooperate with a not shown notch on the pivot arm (23) and lock it, for example, in position (23 ') can.
- a damping cylinder (26) is connected to the swivel arm (23), which is articulated on the stationary locking disc (24). This damping cylinder (26) is provided for safety reasons in order to prevent, for example, when the catch of the swivel arm (23) disengages unintentionally, the swivel arm, which is folded upwards, closes too quickly and, for example, prevents maintenance ⁇ causes harm to leading person.
- a holder (27) on which, as can be seen in FIGS. 7 and 8, two guide plates (28) are fastened, each of which is provided with a web (29) in the form of a quarter-circle arc are provided.
- This quarter-circular arc (29) has a center which lies on the axis (21) of the drums (1, 16).
- the guide is seated on this quarter-circle arc with a holder (31) which has a guide part (30) which is adapted to the inner curvature of the web (29) and a guide edge (32) which overlaps the web (29) and in which a clamping screw (33 ) is arranged.
- the guide (15) can therefore be adjusted to a certain extent on the quarter circle web (29) relative to the drum (1) without the swivel arm (23) having to be adjusted for this purpose.
- the guide plates (28) are connected to the holder (27) by means of bolts (34).
- the quarter circle Web (29) are assigned two stops (35), so that a quick adjustment of the guide (15) from the shown in Fig. 7 in the dashed second position (15 ') is possible in a very simple manner.
- the ring (6) is permanently provided with a laterally projecting cone (38), which has a screw pin at its free end
- the sleeve (42) is firmly connected to a support plate (44), which in turn is connected to the swivel arm (23) via an intermediate piece (45) and a flange (46) running at right angles to it.
- a sleeve (47) is rotatably mounted in the support plate (44), the free end of which has a knurled handwheel
- the sleeve (47) has a head protruding into a recess of the sleeve (42) upstream of the conical recess (43), in which a threaded bore (50) is arranged, the thread of which corresponds to the thread of the screw pin (39).
- the connection between the swivel arm (23) and the free end (16a) of the drum (16) is therefore achieved via the ring and its cone (38) and via the sleeve (42).
- the through the cone (38) given a precise fit is secured by the screw sleeve (49).
- the swivel arm (23) can be pivoted away with the guide (15) and locked in position (23 ') (see FIG. 1), for example.
- the new configuration enables the guide to be correctly aligned with the drum (1) without any difficulties for a desired pivoting process.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Tyre Moulding (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatment Of Fiber Materials (AREA)
- Control Of Conveyors (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Harvesting Machines For Root Crops (AREA)
- Structure Of Belt Conveyors (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Discharge By Other Means (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU27361/95A AU681039B2 (en) | 1994-06-03 | 1995-05-23 | Device for discharging free-flowing material in strip or drop form onto a conveyor belt |
JP8500269A JP2909843B2 (ja) | 1994-06-03 | 1995-05-23 | 自由流動性物質を滴又は細長い小片として輸送ベルトに施与するための装置 |
EP95922477A EP0712331B1 (de) | 1994-06-03 | 1995-05-23 | Vorrichtung zum streifen- oder tropfenförmigen ausbringen fliessfähiger massen auf ein transportband |
KR1019960700509A KR960703663A (ko) | 1994-06-03 | 1995-05-23 | 자유 유동 물질을 드롭 또는 스트립 형태로 이송 벨트 상에 공급하는 장치(device for discharging free-flowing material in strip or drop form onto a conveyor belt) |
DE59504257T DE59504257D1 (de) | 1994-06-03 | 1995-05-23 | Vorrichtung zum streifen- oder tropfenförmigen ausbringen fliessfähiger massen auf ein transportband |
US08/596,180 US5730329A (en) | 1994-06-03 | 1995-05-23 | Apparatus for applying free-flowing substances as strips or drops onto a transport belt |
RU96104256A RU2109558C1 (ru) | 1994-06-03 | 1995-12-14 | Устройство для выдачи текучих масс в виде полос или капель на ленточный транспортер |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4419491A DE4419491C1 (de) | 1994-06-03 | 1994-06-03 | Vorrichtung zum streifen- oder tropfenförmigen Ausbringen fließfähiger Massen auf ein Transportband |
DEP4419491.9 | 1994-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995033551A1 true WO1995033551A1 (de) | 1995-12-14 |
Family
ID=6519749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/001964 WO1995033551A1 (de) | 1994-06-03 | 1995-05-23 | Vorrichtung zum streifen- oder tropfenförmigen ausbringen fliessfähiger massen auf ein transportband |
Country Status (11)
Country | Link |
---|---|
US (1) | US5730329A (de) |
EP (1) | EP0712331B1 (de) |
JP (1) | JP2909843B2 (de) |
KR (1) | KR960703663A (de) |
CN (1) | CN1129406A (de) |
AT (1) | ATE173415T1 (de) |
AU (1) | AU681039B2 (de) |
CA (1) | CA2168468A1 (de) |
DE (2) | DE4419491C1 (de) |
RU (1) | RU2109558C1 (de) |
WO (1) | WO1995033551A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10306688B3 (de) * | 2003-02-11 | 2004-11-11 | Santrade Ltd. | Vorrichtung zur Herstellung von Granulat |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4119021C1 (de) * | 1991-06-09 | 1992-08-13 | Santrade Ltd., Luzern, Ch | |
DE4244035C1 (de) * | 1992-12-24 | 1994-02-03 | Santrade Ltd | Vorrichtung zur Herstellung von Granulat |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0012192B1 (de) * | 1978-12-08 | 1983-01-12 | Santrade Ltd. | Vorrichtung zum Auspressen von fliessfähigen Massen aus einem Behälter |
US4578021A (en) * | 1983-11-01 | 1986-03-25 | Santrade Ltd. | Apparatus for the production of granules from two-phase mixtures |
DE3813756C1 (de) * | 1988-04-23 | 1989-03-02 | Santrade Ltd., Luzern, Ch | |
DE4032683C3 (de) * | 1990-10-15 | 1996-06-13 | Santrade Ltd | Vorrichtung zur Bildung von Tropfen |
-
1994
- 1994-06-03 DE DE4419491A patent/DE4419491C1/de not_active Expired - Fee Related
-
1995
- 1995-05-23 EP EP95922477A patent/EP0712331B1/de not_active Expired - Lifetime
- 1995-05-23 WO PCT/EP1995/001964 patent/WO1995033551A1/de active IP Right Grant
- 1995-05-23 CA CA002168468A patent/CA2168468A1/en not_active Abandoned
- 1995-05-23 KR KR1019960700509A patent/KR960703663A/ko not_active Application Discontinuation
- 1995-05-23 AT AT95922477T patent/ATE173415T1/de not_active IP Right Cessation
- 1995-05-23 JP JP8500269A patent/JP2909843B2/ja not_active Expired - Lifetime
- 1995-05-23 AU AU27361/95A patent/AU681039B2/en not_active Ceased
- 1995-05-23 CN CN95190517A patent/CN1129406A/zh active Pending
- 1995-05-23 DE DE59504257T patent/DE59504257D1/de not_active Expired - Lifetime
- 1995-05-23 US US08/596,180 patent/US5730329A/en not_active Expired - Lifetime
- 1995-12-14 RU RU96104256A patent/RU2109558C1/ru active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4119021C1 (de) * | 1991-06-09 | 1992-08-13 | Santrade Ltd., Luzern, Ch | |
DE4244035C1 (de) * | 1992-12-24 | 1994-02-03 | Santrade Ltd | Vorrichtung zur Herstellung von Granulat |
Also Published As
Publication number | Publication date |
---|---|
CA2168468A1 (en) | 1995-12-14 |
DE4419491C1 (de) | 1995-05-11 |
AU2736195A (en) | 1996-01-04 |
CN1129406A (zh) | 1996-08-21 |
ATE173415T1 (de) | 1998-12-15 |
AU681039B2 (en) | 1997-08-14 |
RU2109558C1 (ru) | 1998-04-27 |
EP0712331B1 (de) | 1998-11-18 |
DE59504257D1 (de) | 1998-12-24 |
KR960703663A (ko) | 1996-08-31 |
JP2909843B2 (ja) | 1999-06-23 |
JPH09501102A (ja) | 1997-02-04 |
US5730329A (en) | 1998-03-24 |
EP0712331A1 (de) | 1996-05-22 |
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