Apparatus for the pretreatment and subsequent conveying, plastification, or agglomeration of plastics
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-047/10
B02C-017/00
B01F-015/02
B29B-013/10
B29B-017/00
B29B-017/04
B02C-018/08
B29B-007/66
B29C-047/00
B29C-047/38
B29C-047/40
B29C-047/58
B29K-105/26
출원번호
US-0351855
(2012-10-12)
등록번호
US-9289774
(2016-03-22)
우선권정보
AT-A 1511/2011 (2011-10-14)
국제출원번호
PCT/AT2012/050156
(2012-10-12)
국제공개번호
WO2013/052984
(2013-04-18)
발명자
/ 주소
Feichtinger, Klaus
Hackl, Manfred
출원인 / 주소
EREMA ENGINEERING RECYCLING MASCHINEN UND ANLAGEN GESELLSCHAFT M.B.H.
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
2인용 특허 :
21
초록▼
Disclosed is an apparatus for the processing of plastics, having a container with a rotatable mixing implement, where a conveyor is provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of co
Disclosed is an apparatus for the processing of plastics, having a container with a rotatable mixing implement, where a conveyor is provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial that is parallel to the longitudinal axis, wherein on the internal wall area of the container, there is at least one bar-shaped deflector which is directed into the interior of the container, and the height profile of which decreases in the direction of rotation of the mixing implement, seen from above, and the angle included thereby, over its length, with a plane (E) perpendicular to the axis of rotation of the mixing implements is an acute angle (α).
대표청구항▼
1. An apparatus for the pretreatment and subsequent conveying, plastification or agglomeration of plastics, with a container (1) for the material to be processed, where, in the container (1), at least one mixing and/or comminution implement (3) which rotates around an axis (10) of rotation and which
1. An apparatus for the pretreatment and subsequent conveying, plastification or agglomeration of plastics, with a container (1) for the material to be processed, where, in the container (1), at least one mixing and/or comminution implement (3) which rotates around an axis (10) of rotation and which is intended for the mixing, heating and optionally comminution of the plastics material, where an aperture (8) through which the pretreated plastics material can be removed from the interior of the container (1) is formed in a side wall (9) of the container (1) in the region of the level of the, or of a mixing and/or comminution implement (3) that is closest to the aperture (8),where at least one conveyor (5) is provided to receive the pretreated material, and has at least one screw (6) which rotates in a housing (16) and which has plastifying or agglomerating action, where the housing (16) has, located at its end (7) or in its jacket wall, an intake aperture (80) for the material to be received by the screw (6), and there is connection between the intake aperture (80) and the aperture (8),whereinthe imaginary continuation of the central longitudinal axis (15) of the conveyor (5) or of the screw (6) closest to the intake aperture (80), in a direction opposite to a direction (17) of conveying of the conveyor (5), passes, and does not intersect, the axis (10) of rotation, where, on the outflow side in a direction (12) of rotation, there is an offset distance (18) between the longitudinal axis (15) of the conveyor (5) or of the screw (6) closest to the intake aperture (80), and a radius (11) that is associated with the container (1) and that is parallel to the longitudinal axis (15) and that proceeds outwards from the axis (10) of rotation of the mixing and/or comminution implement (3) in the direction (17) of conveying of the conveyor (5), and wherein, on an internal wall area of the container (1) there is at least one bar-shaped deflector (50) which is directed into the interior of the container (1), and the height profile of which decreases in the direction (12) of rotation of the mixing implement (3), seen from above, and the angle included thereby, over its length, with a plane (E) perpendicular to the axis (10) of rotation of the mixing implement (3) is an acute angle (α),wherein the lower end representing the lowest section (58) of the deflector (50) is followed by an extension (57), which is directed upwards in the direction (12) of rotation, as a single piece. 2. The apparatus according to claim 1, wherein the acute angle (α) is constant at least in sections over the length of the deflector (50), or that the profile of the deflector (50) is curved downwards, at least over a section of its length (l), and in that case the acute angle (α) represents the tangential angle present at the respective point on the deflector (50). 3. The apparatus according to claim 1, wherein the acute angle (α) in the central region of the deflector (50), is from 15° to 45°. 4. The apparatus according to claim 1, wherein the acute angle (α) decreases towards the lower end of the deflector (50), optionally to an angle α=0°. 5. The apparatus according to claim 1, wherein the lower end (58) of the deflector (50) is within a circumference (70) between the two lateral edges (55, 56) of the intake aperture (80), and this region is optionally enlarged in the direction of rotation of the implements (3) only by at most from 50% to 80% of the length of a longitudinal edge (52, 53). 6. The apparatus according to claim 1, wherein the lower end (58) of the deflector (50) is at a height level on the container wall, where this level is within the region (70) between the upper and lower longitudinal edge (52, 53) of the intake aperture (80) and optionally at most from 50% to 80% of the height (HE) of the intake aperture (80) above the upper longitudinal edge (52) or at most from 20% to 30% of the height (HE) of the intake aperture (80) below the lower edge (53) of the intake aperture (80). 7. The apparatus according to claim 1, wherein the deflector (50) protrudes radially from the internal wall of the container. 8. The apparatus according to claim 1, wherein the bar-shaped deflector (50) has a rectangular cross section optionally rounded at the edges projecting into the container (1), and is secured by its narrow side on the internal wall of the container (1). 9. The apparatus according to claim 1, wherein the width of the deflector (50) optionally decreases in stages in the direction towards the end, or that the deflector (50) is widened in the end region. 10. The apparatus according to claim 1, wherein, viewed in the direction (12) of rotation of the mixing implements (3), the upper end of the deflector (50) is at least 10° to 15°, prior to that edge (56) that is associated with the intake aperture (80) and that is situated upstream in the direction of rotation, or after that edge (55) that is associated with the intake aperture (80) and that is situated downstream in the direction of rotation. 11. The apparatus according to claim 1, wherein the width (b) of the deflector (50) is in the range from 1% to 10% of the diameter of the container, and/or that the width of the deflector (50) is greater than 15 mm. 12. The apparatus according to claim 1, wherein the deflector (50) ends outside of the open cross section of the intake aperture (80). 13. The apparatus according to claim 1, wherein, for a conveyor (5) in contact with the container (1), the scalar product of a direction vector describing the portion of the mixing and/or comminution implement (3) nearest the aperture when the mixing and/or comminution implement (3) is adjacent the aperture, and another direction vector describing the conveying of the conveyor (5) is zero or negative. 14. The apparatus according to claim 1, wherein an angle (β) between a direction vector describing the motion of the portion of the mixing and/or comminution implement (3) nearest the aperture when the mixing and/or comminution implement (3) is adjacent the aperture, and another direction vector describing the direction of the conveying of the conveyor (5) is greater than or equal to 90° and less than or equal to 180°. 15. The apparatus according to claim 1, wherein an angle (β) between a direction vector describing the motion of the portion of the mixing and/or comminution implement (3) nearest the aperture when the mixing and/or comminution implement (3) is adjacent the aperture, and another direction vector describing the direction of the conveying of the conveyor (5) is from 170° to 180°. 16. The apparatus according to claim 1, wherein the offset distance (18) is greater than or equal to half of the internal diameter of the housing (16) of the conveyor (5) or of the screw (6), and/or greater than or equal to 7%, of the radius of the container (1), or wherein the distance (18) is greater than or equal to the radius of the container (1). 17. The apparatus according to claim 1, wherein the imaginary continuation of the longitudinal axis (15) of the conveyor (5) in a direction opposite to the direction of conveying is arranged in the manner of a secant in relation to the cross section of the container (1), and, at least in sections, passes through the space within the container (1). 18. The apparatus according to claim 1, wherein the conveyor (5) is attached tangentially to the container (1) or runs tangentially in relation to the cross section of the container (1), or wherein the longitudinal axis (15) of the conveyor (5) or of the screw (6) or the longitudinal axis of the screw (6) closest to the intake aperture (80) runs tangentially with respect to the inner side of the side wall (9) of the container (1), or the inner wall of the housing (16) does so, or the enveloping end of the screw (6) does so, where there is a drive connected to the end (7) of the screw (6), and that the screw provides conveying, at its opposite end, to a discharge aperture which is an extruder head and which is arranged at the end of the housing (16). 19. The apparatus according to claim 1, wherein there is immediate and direct connection between the aperture (8) and the intake aperture (80), without substantial separation, and without transfer section or conveying screw. 20. The apparatus according to claim 1, wherein the mixing and/or comminution implement (3) comprises implements and/or blades (14) which, in the direction (12) of rotation or of movement, have a comminuting, cutting and heating effect on the plastics material, where the implements and/or blades (14) are arranged or formed on or at a rotatable implement carrier and which is arranged parallel to a basal surface (12). 21. The apparatus according to claim 1, wherein frontal edges (22) that are associated with blades (14) of the mixing and/or comminution implement (3) act on the plastics material and point in the direction (12) of rotation or of movement, differs when comparison is made with the regions that, in the direction (12) of rotation or of movement, the rearward regions or rearward edges (22) of the mixing and/or comminution implement (3) or the blades (14). 22. The apparatus according to claim 1, wherein the container (1) is substantially cylindrical with circular cross section and with a level basal surface (2) and with, orientated vertically in relation thereto, a side wall (9) which has the shape of the jacket of a cylinder, and/or the axis (10) of rotation of the mixing and/or comminution implement (3) coincides with the central axis of the container (1), and/or the axis (12) of rotation or the central axis are orientated vertically and/or normally in relation to the basal surface (2). 23. The apparatus according to claim 1, wherein a lowest implement carrier (13) or a lowest of the mixing and/or comminution implement (3) and/or the aperture (8) are arranged in the lowest quarter of the height of the container (1), at a distance of from 10 mm to 400 mm from a basal surface (2).
Bacher, Helmut; Schulz, Helmuth; Wendelin, Georg, Apparatus for pre-treatment and subsequent plastification or agglomeration of synthetic plastic materials.
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