CN-121970923-A - Waste cigarette tobacco shred recovery equipment

Abstract

The invention discloses a waste cigarette tobacco shred recycling device which comprises a lower conveying belt, wherein a plurality of positioning grooves are formed in the outer surface of the lower conveying belt in an annular longitudinal parallel mode at intervals, the transmission length of the upper conveying belt is smaller than that of the lower conveying belt, a plurality of convex ribs are formed in the outer surface of the lower conveying belt in an annular longitudinal parallel mode at intervals, the distance between the convex ribs and the lower conveying belt can be adjusted, a shallow slitting device is arranged above the lower conveying belt and at one end of the upper conveying belt, the distance between a blade and the positioning grooves of the lower conveying belt can be adjusted, when the upper conveying belt rotates, the convex grooves of the upper conveying belt correspond to the grooves of the lower conveying belt and extend into the grooves to face each other synchronously, the distance between the blade and the bottom of the positioning grooves of the lower conveying belt can be adjusted according to the thickness of cigarettes, the distance between the convex grooves of the upper conveying belt and the grooves of the lower conveying belt can be adjusted according to the thickness of the cigarettes, the waste cigarettes with different diameters can be extruded to obtain a similar height cutting surface, the cutting depth is guaranteed to be uniform, the cut tobacco shreds are prevented from being cut excessively, and the tobacco shred recycling quality and efficiency are improved.

Inventors

• LIU JIE
• LI JIANLI

Assignees

• 开封东方机械有限公司

Dates

Publication Date

20260505

Application Date

20260318

Claims (10)

1. 1. A waste cigarette tobacco shred recycling apparatus, comprising: A plurality of positioning grooves (30) are formed in the outer surface of the lower conveyor belt (3) in an annular longitudinal parallel interval manner; The upper conveyor belt (4) has a transmission length smaller than that of the lower conveyor belt (3), is arranged above the lower conveyor belt (3) at intervals, and is provided with a plurality of ribs (40) longitudinally and parallelly spaced on the outer surface in a ring shape and corresponds to the positioning grooves (30) of the lower conveyor belt (3); The shallow slitting device (5) is positioned above the lower conveyor belt (3) and is arranged at one end of the upper conveyor belt (4), the roller shaft is parallel to the lower conveyor belt (3), blades (52) which are in one-to-one correspondence with the positioning grooves (30) are arranged on the outer peripheral surface, and the distance between the blades and the positioning grooves (30) can be adjusted; When the upper conveyor belt (4) rotates, the convex rib (40) at least partially stretches into the positioning groove (30) when passing through one end close to the shallow slitting device (5), along the direction perpendicular to the lower conveyor belt (3), the nearest point of the blade (52) to the bottom of the positioning groove (30) is positioned between the nearest point of the convex rib (40) to the bottom of the positioning groove (30) and the mouth of the positioning groove (30), so that waste cigarettes (7) with different diameters and driven by the lower conveyor belt (3) are extruded by the convex rib (40) of the upper conveyor belt (4) to obtain cutting surfaces with similar heights, and the cutting depths of the blade (52) on the cutting surfaces of the waste cigarettes (7) with different diameters are similar.
2. 2. The waste cigarette tobacco shred recycling equipment according to claim 1, wherein the distance between the point of the convex rib (40) from the bottom of the positioning groove (30) and the bottom of the positioning groove (30) is L along the direction perpendicular to the lower conveying belt (3), and the minimum diameter of the waste cigarette (7) is D, so that D is more than or equal to L >0.
3. 3. A waste tobacco shred recycling apparatus according to claim 2, characterized in that the lower conveyor belt (3) and the upper conveyor belt (4) are arranged in parallel.
4. 4. A waste cigarette tobacco shred recycling apparatus according to claim 2, wherein the upper conveyor belt (4) is arranged at an angle to the lower conveyor belt (3), and the distance between one end of the upper conveyor belt (4) close to the shallow cut strip device (5) and the lower conveyor belt (3) is smaller than the distance between the other end of the upper conveyor belt (4) and the lower conveyor belt (3).
5. 5. The waste cigarette tobacco shred recycling device according to claim 2, wherein the cross section of the positioning groove (30) is of a U-shaped structure, the U-shaped structure comprises two side edges (301) and a bottom edge (302) connected to the bottoms of the two side edges (301), the two side edges (301) are arranged in an inclined included angle mode, the two side edges (301) are distributed in an axisymmetric mode relative to a perpendicular bisector of the bottom edge (302), and transition joints of the two side edges (301) and the bottom edge (302) are all rounded.
6. 6. A waste tobacco shred recycling apparatus according to claim 2, characterized in that both ends of the roller shaft of the shallow slitting device (5) are rotatably fitted with adjusting seats (50) which are slidingly adjusted along a direction perpendicular to the lower conveyor belt (3).
7. 7. A waste cigarette tobacco shred recycling apparatus according to claim 2, characterized in that it is located under the lower conveyor belt (3), one end of the lower conveyor belt (3) close to the shallow slitting device (5) extends beyond the right under the shallow slitting device (5), and a supporting roller (21) corresponding to the shallow slitting device (5) is located under the lower conveyor belt (3).
8. 8. A waste tobacco shred recycling apparatus as claimed in claim 7, wherein a bracket (22) is provided under the lower conveyor belt (3) in correspondence with the upper conveyor belt (4).
9. 9. A waste tobacco shred recycling apparatus according to any one of claims 1-8, wherein one end of said lower conveyor belt (3) near the shallow cut strip device (5) is further connected with a loosening device (6), the lower conveyor belt (3) can convey materials to the loosening device (6), said loosening device (6) is used for loosening cut tobacco shreds by striking and loosening waste cigarettes (7) conveyed by the lower conveyor belt (3) and cut by the blade (52).
10. 10. The waste cigarette tobacco shred recycling equipment according to claim 9, wherein the loosening device (6) comprises two loosening rollers which are arranged at intervals along the vertical direction, a tile frame which is arranged on one side of the two loosening rollers far away from the lower conveyor belt (3) in a semi-encircling mode and a lapping plate (66) which is lapped with the upper Fang Wajia, the other end of the lapping plate (66) extends to the position right above the lower conveyor belt (3), and a loosening plate (62) is arranged outside each loosening roller.

Description

Waste cigarette tobacco shred recovery equipment Technical Field The invention relates to the technical field of tobacco mechanical equipment, in particular to waste cigarette tobacco shred recycling equipment. Background The cigarette production process can produce a considerable amount of unqualified waste cigarettes, and the cut tobacco contained in the waste cigarettes still has high utilization value and needs to be recycled. Cut tobacco recovery is to separate cut tobacco in a waste cigarette from the cigarette. At present, a plurality of tobacco shred recovery methods for waste cigarettes comprise a centralized steam wetting method, a water wetting method, a striking method, a shallow slitting device slitting method and the like. The slitting method of the shallow slitting device can split the axis of the cigarette through the shallow slitting device, so that the outer package of the cigarette is fully unfolded, and the internal tobacco shreds can be fully extracted, such as a thin cigarette recycling device in the patent with the application number 2019110659658. However, because the types of cigarettes are multiple at present, the diameters of the cigarettes are multiple, when the cigarettes with different diameters are mixed and recovered by the recovery device adopting the slitting method of the shallow slitting device, the cigarettes with all sizes need to be fully slit, the shallow slitting device needs to be adjusted to a position capable of slitting the cigarettes with the minimum diameter, the cigarettes with larger diameters can be excessively slit at the moment, and the tobacco shreds in the thick cigarettes can be cut off by the shallow slitting device at the moment, so that the recovery effect of the tobacco shreds is affected. Disclosure of Invention The invention aims to solve the problems and provide a waste cigarette tobacco shred recycling device. In order to achieve the purpose, the technical scheme of the invention is that the waste cigarette tobacco shred recycling equipment comprises: the outer surface of the lower conveyor belt is longitudinally provided with a plurality of positioning grooves in parallel at intervals in a ring shape; the upper conveyor belt is smaller than the lower conveyor belt in transmission length, is arranged above the lower conveyor belt at intervals, and is provided with a plurality of ribs longitudinally and parallelly spaced on the outer surface in a ring shape and corresponds to the positioning grooves of the lower conveyor belt; the shallow slitting device is positioned above the lower conveyor belt and is arranged at one end of the upper conveyor belt, the roller shafts are parallel to the lower conveyor belt, blades which are in one-to-one correspondence with the positioning grooves are arranged on the peripheral surface of the shallow slitting device, and the distance between the blades and the positioning grooves can be adjusted; When the upper conveyor belt rotates, the convex rib at least partially stretches into the positioning groove when passing through one end close to the shallow slitting device, along the direction perpendicular to the lower conveyor belt, the point of the blade closest to the bottom of the positioning groove is positioned between the point of the convex rib closest to the bottom of the positioning groove and the positioning notch, so that waste cigarettes with different diameters transmitted by the lower conveyor belt are extruded by the convex rib of the upper conveyor belt to obtain cutting surfaces with similar heights, and the cutting depths of the blade on the cutting surfaces of the waste cigarettes with different diameters are similar. Further, along the direction perpendicular to the lower conveyor belt, the distance between the point of the convex rib from the bottom of the positioning groove and the bottom of the positioning groove is L, and the minimum diameter of the waste cigarettes is D, so that D is more than or equal to L >0. Further, the lower conveyor belt and the upper conveyor belt are disposed in parallel. Further, the upper conveyor belt and the lower conveyor belt are arranged at an included angle, and the distance between one end of the upper conveyor belt, which is close to the shallow slitting device, and the lower conveyor belt is smaller than the distance between the other end of the upper conveyor belt, which is close to the lower conveyor belt. The positioning groove is characterized by further comprising a U-shaped structure, wherein the U-shaped structure comprises two side edges and bottom edges connected to the bottoms of the two side edges, the two side edges are arranged in an inclined included angle mode, the two side edges are axially symmetrically distributed relative to a perpendicular bisector of the bottom edges, and transition joints of the two side edges and the bottom edges are rounded. Further, both ends of a roll shaft of the shallow slitting device are respectively matche