CN111346807A - Sheet cigarette screening equipment - Google Patents

Sheet cigarette screening equipment Download PDF

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Publication number
CN111346807A
CN111346807A CN202010188425.5A CN202010188425A CN111346807A CN 111346807 A CN111346807 A CN 111346807A CN 202010188425 A CN202010188425 A CN 202010188425A CN 111346807 A CN111346807 A CN 111346807A
Authority
CN
China
Prior art keywords
screening
roller
roller body
sheet
gear
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.)
Pending
Application number
CN202010188425.5A
Other languages
Chinese (zh)
Inventor
李悦
刘向真
赵森森
田涛
刘茂林
孙九喆
吴平
崔廷
马一琼
姚倩
牛洋洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Henan Industrial Co Ltd
Original Assignee
China Tobacco Henan Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Tobacco Henan Industrial Co Ltd filed Critical China Tobacco Henan Industrial Co Ltd
Priority to CN202010188425.5A priority Critical patent/CN111346807A/en
Publication of CN111346807A publication Critical patent/CN111346807A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/12—Apparatus having only parallel elements
    • B07B1/14—Roller screens
    • B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
    • B07B1/155—Roller screens using corrugated, grooved or ribbed rollers the rollers having a star shaped cross section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens

Abstract

The invention discloses a piece cigarette screening device, wherein a first screening device comprises a first shell and a first screening mechanism, and the first screening mechanism comprises a first screening roller; the first screening roller comprises a first roller body and a first gear ring, the first gear ring comprises a first gear ring and first screening teeth, the first screening teeth comprise a first straight edge and a first arc edge, and the first arc edge has radian; the second screening device comprises a second shell and a second screening mechanism, and the second screening mechanism comprises a second screening roller; the second screening roller comprises a second roller body and a second gear ring, the second gear ring comprises a second gear ring and second screening teeth, the second screening teeth comprise a second straight edge and a second arc edge, and the second arc edge has an arc. The first screening tooth and the second screening tooth with special shapes of the sheet tobacco screening equipment can adjust the posture of the sheet tobacco in real time on the basis of not damaging the large blade and the oversized blade, and prolong the screening time period of the sheet tobacco, so that the screening efficiency is improved, and the blocking rate and the volume of the sheet tobacco screening equipment are reduced.

Description

Sheet cigarette screening equipment
Technical Field
The invention relates to the field of cigarette manufacturing, in particular to a piece cigarette screening device.
Background
The tobacco shred structure is closely related to the physical indexes and stability of the cigarette, and is an important factor influencing the cigarette rolling quality. When the shredding condition is fixed, the structure of the cut tobacco is mainly influenced by the structure of the coming cut tobacco before shredding. The control of the structure of the tobacco lamina is an important index for measuring the technical level of threshing and redrying processing and is also a key for ensuring the reasonable structure of tobacco shreds, so that the control of the structure and the uniformity of the tobacco lamina has important significance for improving the quality stability of cigarette products.
In the existing tobacco industry, if the content of large leaves contained in tobacco leaves does not meet the process requirements, the final quality of cigarette products is affected. The current tobacco leaf screening equipment is mainly a vibrating screening machine which can only screen the broken powder of the beaten leaves, is difficult to realize the effective separation of large leaves and oversized leaves, and has low screening efficiency and easy blockage.
Therefore, how to provide a screening device capable of effectively screening large blades and oversized blades becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a novel technical scheme of a piece tobacco screening device capable of effectively screening large blades and oversized blades.
According to a first aspect of the present invention, a tobacco lamina screening apparatus is provided.
The tobacco sheet screening equipment comprises a first screening device and a second screening device; wherein the content of the first and second substances,
the first screening device comprises a first shell and a first screening mechanism, a first feeding hole, a sheet-type material discharging hole and a super-large sheet-type material discharging hole are formed in the first shell, the first feeding hole and the sheet-type material discharging hole are correspondingly arranged, the super-large sheet-type material discharging hole is located at the tail end of the first shell along the material flowing direction, the first screening mechanism comprises a plurality of first screening rollers and a first screening roller driving device, the first screening rollers are mounted on the first shell, the first screening rollers are arranged in parallel, and the first screening roller driving device is used for driving the first screening rollers to rotate in the same direction;
the first screening roller comprises a first roller body and a plurality of first gear rings, the first gear rings comprise first gear rings and first screening teeth, the first gear rings are mounted on the first roller body through the first gear rings, the first gear rings are sequentially distributed along the length direction of the first roller body, the first screening teeth are uniformly distributed along the circumferential direction of the first gear rings, each first screening tooth comprises a first straight edge and a first arc edge, each first arc edge has an arc, and each first arc edge is bent towards the material flowing direction;
the second screening device comprises a second shell and a second screening mechanism, a second feed port, a qualified material discharge port and a fragment material discharge port are arranged on the second shell, the second feed port is arranged corresponding to the fragment material discharge port, the second feed port and the fragment material discharge port are arranged correspondingly, the qualified material discharge port is positioned at the tail end of the second shell along the material flowing direction, the second screening mechanism comprises a plurality of second screening rollers and a second screening roller driving device, the second screening rollers are arranged on the second shell, the second screening rollers are arranged in parallel, and the second screening roller driving device is used for driving the second screening rollers to rotate in the same direction;
the second screening roller comprises a second roller body and a plurality of second gear rings, the second gear rings comprise second gear rings and second screening teeth, the second gear rings are installed on the second roller body and are sequentially distributed along the length direction of the second roller body, the second screening teeth are uniformly distributed along the circumferential direction of the second gear rings, the second screening teeth comprise second straight edges and second arc edges, the second arc edges have radians, and the bending direction of the second arc edges is the same as that of the first arc edges.
Optionally, the first feed port and the oversized sheet-type material discharge port are respectively located at two ends of the first shell along the material flow direction;
the sheet-shaped material discharge port covers the projection of all the first screening rollers on the plane where the sheet-shaped material discharge port is located.
Optionally, a first gear ring installation groove is formed in the first roller body, the first gear ring installation groove extends along the length direction of the first roller body, and the first gear ring is installed on the first roller body through a first gear ring positioning piece.
Optionally, the first screening roller further comprises a first elastic member and a first moment adjusting member;
the opposite surfaces of the adjacent first gear rings are abutted against the first elastic part positioned between the adjacent first gear rings;
the first torque adjusting member is provided for applying a force in a length direction of the first roller body to the first ring gears or the first elastic member to adjust a distance between the first ring gears.
Optionally, the second feed port covers the sheet-type material discharge port;
the fragment material discharge port covers the projection of all the second screening rollers on the plane where the fragment material discharge port is located.
Optionally, a second gear ring mounting groove is formed in the second roller body, the second gear ring mounting groove extends along the length direction of the second roller body, and the second gear ring is mounted on the second roller body through a second gear ring positioning piece.
Optionally, the second screening roller further comprises a second elastic member and a second moment adjusting member;
the opposite surfaces of the adjacent second gear rings are abutted against the second elastic part positioned between the adjacent second gear rings;
the second moment adjusting member is provided to apply a force in a length direction of the second roller body to the second ring gear or the second elastic member to adjust a distance between the second ring gears.
Optionally, the first straight edge is perpendicular to a central axis of the first roller body;
the second straight edge is perpendicular to the central axis of the second roller body.
Optionally, the radian of the second arc edge is greater than the radian of the first arc edge.
Optionally, the distance between the adjacent second roller bodies is smaller than the distance between the adjacent first roller bodies.
This disclosed piece cigarette screening plant separates super large blade through first screening plant earlier, and rethread second screening plant separates big blade from qualified material discharge gate. The first screening tooth and the second screening tooth with special shapes can adjust the posture of the tobacco flakes in real time on the basis of not damaging the large blade and the oversized blade, and prolong the screening time period of the tobacco flakes, so that the screening efficiency is improved, and the blocking rate and the volume of the tobacco flake screening equipment are reduced.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Figure 1 is a schematic structural view of an embodiment of a sheet tobacco screening apparatus of the present disclosure.
Figure 2 is a schematic structural view of a first screening roller embodiment of a sheet tobacco screening apparatus of the present disclosure.
Figure 3 is a schematic structural diagram of an embodiment of a first roller body of the sheet tobacco screening apparatus of the present disclosure.
Figure 4 is a schematic structural view of a first gear ring embodiment of the sheet tobacco screening apparatus of the present disclosure.
The figures are labeled as follows:
the device comprises a first screening device-1, a first shell-11, a first feeding hole-111, a super large sheet type material discharging hole-112, a first screening mechanism-12, a first screening roller-121, a first roller body-1211, a first gear ring installation groove-12110, a first gear ring-1212, a first gear ring-12121, a first screening tooth-12122, a first straight edge-121221, a first arc edge-121222, a first screening roller driving device-122, a first elastic element-123, a second screening device-2, a second shell-21, a qualified material discharging hole-211, a second screening mechanism-22, a second screening roller-221, a second screening roller driving device-222 and a support-3.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
As shown in fig. 1-4, the present disclosure provides a tobacco lamina screening apparatus comprising a first screening device 1 and a second screening device 2.
The first screening device 1 comprises a first housing 11 and a first screening means 12.
The first shell 11 is provided with a first feeding hole 111, a sheet-type material discharging hole (not shown) and an oversized sheet-type material discharging hole 112. The first feeding hole 111 and the sheet material discharging hole are correspondingly arranged. The oversized plate type material outlet 112 is positioned at the end of the first shell 11 along the material flow direction. The size and position of the first feeding hole 111 can be flexibly set according to actual requirements, for example, the first feeding hole 111 covers 1/3 of the first screening mechanism 12. Generally, a certain distance may be provided between the first feeding hole 111 and the discharge hole 112 for sieving more effectively. The oversized blades can leave the first screening device 1 from the oversized blade type material outlet 112. The sheet-type material outlet may be located below the first screening mechanism 12 to feed the sheet-type material screened by the first screening mechanism 12 into the second screening device 2. In specific implementation, the first feeding hole 111 and the discharge hole 112 for the oversized plate-type material may be provided with a guide plate to guide the material into or out of the first sieving device 1.
The first screening mechanism 12 comprises a number of first screening rollers 121 and a first screening roller drive 122. The first screening rollers 121 are installed on the first housing 11, and the first screening rollers 121 are arranged in parallel. The first screening roller drive 122 may be adapted to drive the first screening rollers 121 in the same direction. The first screening roller drive 122 may be mounted on the first housing 11. The first screening roller drive 122 may for example be a motor or the like.
The first sizing roller 121 includes a first roller body 1211 and a plurality of first ring gears 1212. The first ring gear 1212 comprises a first ring gear 12121 and first screening teeth 12122. The first ring gears 1212 are mounted on the first roller body 1211 through the first ring gear 12121, and the first ring gears 1212 are sequentially distributed along the length direction of the first roller body 1211. The first ring 12121 may be mounted on the first roller 1211 by means of bolts or snaps.
The first screening teeth 12122 are evenly distributed along the circumferential direction of the first ring of teeth 12121. First sifting tooth 12122 includes a first straight edge 121221 and a first curved edge 121222. The first curved edge 121222 has a curvature and the first curved edge 121222 is curved toward the material flow direction. The number of first screening teeth 12122 can be flexibly set according to the actual requirements. For example, there are 5 first screen teeth 12122 on the first ring gearwheel 1212.
The second screening device 2 comprises a second housing 21 and a second screening means 22.
The second casing 21 is provided with a second feeding hole (not shown), a qualified material discharging hole 211 and a fragment material discharging hole (not shown). The second feed inlet corresponds the setting with piece type material discharge gate, and second feed inlet and piece material discharge gate correspond the setting. The first screening mechanism 12 screens the flake materials entering the second screening device 2 from the second feeding hole. The qualified material outlet 211 is located at the end of the second housing 21 in the material flow direction. The scrap material outlet is typically located below the second sifting mechanism 22 to sift scrap material from the second sifting mechanism 22 out of the second sifting device 2. When the screening device is specifically implemented, a guide plate can be arranged at the qualified material outlet 211 so as to guide the materials out of the second screening device 2.
The second screening mechanism 22 includes a plurality of second screening rollers 221 and a second screening roller driving device 222. The second sieving rollers 221 are installed on the second casing 21, and the second sieving rollers 221 are arranged in parallel. The second screening roller drive 222 may be adapted to drive the second screening rollers 221 in the same direction. The second screening roller drive 222 may be mounted on the second housing 21. The second screening roller drive 222 may for example be a motor or the like.
The second sizing roller 221 includes a second roller body and a plurality of second ring gears (not shown in the drawings). The second ring gear includes a second ring gear and second sifting teeth. The second ring gear is installed on the second roller body through the second ring gear, and each second ring gear distributes in order along the length direction of second roller body. The second screening teeth are evenly distributed along the circumferential direction of the second toothed ring. The second gear ring can be arranged on the second roller body in a bolt or a buckle mode and the like.
The second sifting tooth includes a second straight side and a second curved side. The second arc edge has a radian, and the bending direction of the second arc edge is the same as that of the first arc edge. The number of the second screening teeth can be flexibly set according to actual requirements. For example, a second screening tooth is provided on the second ring gear. In particular implementations, the second sizing tooth and the first sizing tooth may have the same or similar shape.
In particular embodiments, the first screening device 1 and the second screening device 2 may be mounted on a frame 3.
This disclosed piece cigarette screening plant separates super large blade through first screening plant 1 earlier, and rethread second screening plant 2 separates big blade from qualified material discharge gate 211. The first screening teeth 12122 and the second screening teeth with special shapes can adjust the posture of the tobacco flakes in time on the basis of not damaging the large blade and the oversized blade, and prolong the screening time period of the tobacco flakes, thereby improving the screening efficiency and reducing the blocking rate and volume of the tobacco flake screening equipment.
In one embodiment of the disclosed tobacco sheet screening apparatus, in order to screen tobacco sheets more efficiently, the first inlet 111 and the oversized sheet type material outlet 112 are respectively located at two ends of the first housing 11 along the material flow direction. The sheet-shaped material discharge port covers the projection of all the first screening rollers 121 on the plane where the sheet-shaped material discharge port is located.
In one embodiment of the disclosed tobacco sheet screening apparatus, a first ring gear mounting groove 12110 is provided on the first roller 1211. The first ring gear mounting groove 12110 extends in the length direction of the first roller body 1211. The first ring gear 1212 is mounted on the first roller body 1211 via a first ring gear positioning member (not shown). The first gear ring positioning part can be a buckle or an elastic snap ring and the like. The first ring gear 1212 is mounted to the first roller body 1211 by fitting between the first ring gear positioning member and the first ring gear mounting groove 12110.
Further, in order to adjust the distance between the first gear rings 1212 according to actual requirements more conveniently, the first screening roller 121 further includes a first elastic member 123 and a first moment adjusting member (not shown in the drawings).
The opposite surfaces of the adjacent first gear rings 1212 are abutted against the first elastic members 123 located between the adjacent first gear rings 1212. The first elastic element 123 may be, for example, a compression spring or a spring plate. One or more first elastic members 123 may be disposed between adjacent first ring gears 1212.
The first moment adjusting member may be configured to apply a force in a length direction of the first ring gear 1212 or the first elastic member 123 along the first roller body 1211 to adjust a distance between the first ring gears 1212. The first moment adjusting member may be, for example, a washer or a positioning pin or the like disposed on both sides of the first ring gear 1212 or the first elastic member 123. By adjusting the force applied by the first moment adjusting member, the first elastic member 123 is compressed or released, so that the distance between the first ring gears 1212 is changed.
The distance between the first ring gears 1212 can be adjusted by one skilled in the art depending on the size of the tobacco lamina to be screened.
In one embodiment of the disclosed sheet tobacco screening apparatus, the second feed opening covers the sheet-type material outlet for more efficient screening of the sheet tobacco. The scrap material discharge opening covers all projections of the second screening rollers 221 on the plane on which the scrap material discharge opening is located.
In one embodiment of the disclosed sheet tobacco screening apparatus, a second ring gear mounting groove is provided on the second roller body. The second ring gear mounting groove extends along the length direction of the second roller body. The second gear ring is arranged on the second roller body through a second gear ring positioning piece. The second ring gear locator may be, for example, a snap or a snap ring. And the second gear ring is arranged on the second roller body through the matching between the second gear ring positioning piece and the second gear ring mounting groove.
Further, in order to adjust the distance between the second gear rings more conveniently according to actual requirements, the second screening roller 221 further includes a second elastic member and a second moment adjusting member (not shown in the figure).
The opposite surfaces of the adjacent second gear rings are abutted against the second elastic parts positioned between the adjacent second gear rings. The second elastic element may be a compression spring or a spring plate, for example. One or more second elastic members may be disposed between adjacent second gear rings.
The second torque adjusting member may be configured to apply a force in a length direction of the second roller body to the second ring gear or the second elastic member to adjust a distance between the second ring gears. The second torque adjusting member may be, for example, a washer or a positioning pin or the like provided on both sides of the second ring gear or the second elastic member. By adjusting the acting force applied by the second moment adjusting part, the second elastic part is compressed or released, so that the distance between the second gear rings is changed.
The distance between the second ring gears can be adjusted by one skilled in the art according to the size of the tobacco flakes to be screened.
In one embodiment of the disclosed tobacco sheet screening apparatus, to more effectively avoid damage to the large and oversized blades, the first straight edge 121221 is perpendicular to the central axis of the first roller body 121. The second straight edge is perpendicular to the central axis of the second roller body.
In one embodiment of the disclosed tobacco sheet screening apparatus, the arc of the second curved edge is greater than the arc of the first curved edge 121222 in order to more effectively avoid damage to the large vanes.
Further, in order to extend the sieving time period of the long blade, the interval between the adjacent second roller bodies is smaller than the interval between the adjacent first roller bodies 1211.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. A piece cigarette screening device is characterized by comprising a first screening device and a second screening device; wherein the content of the first and second substances,
the first screening device comprises a first shell and a first screening mechanism, a first feeding hole, a sheet-type material discharging hole and a super-large sheet-type material discharging hole are formed in the first shell, the first feeding hole and the sheet-type material discharging hole are correspondingly arranged, the super-large sheet-type material discharging hole is located at the tail end of the first shell along the material flowing direction, the first screening mechanism comprises a plurality of first screening rollers and a first screening roller driving device, the first screening rollers are mounted on the first shell, the first screening rollers are arranged in parallel, and the first screening roller driving device is used for driving the first screening rollers to rotate in the same direction;
the first screening roller comprises a first roller body and a plurality of first gear rings, the first gear rings comprise first gear rings and first screening teeth, the first gear rings are mounted on the first roller body through the first gear rings, the first gear rings are sequentially distributed along the length direction of the first roller body, the first screening teeth are uniformly distributed along the circumferential direction of the first gear rings, each first screening tooth comprises a first straight edge and a first arc edge, each first arc edge has an arc, and each first arc edge is bent towards the material flowing direction;
the second screening device comprises a second shell and a second screening mechanism, a second feed port, a qualified material discharge port and a fragment material discharge port are arranged on the second shell, the second feed port is arranged corresponding to the fragment material discharge port, the second feed port and the fragment material discharge port are arranged correspondingly, the qualified material discharge port is positioned at the tail end of the second shell along the material flowing direction, the second screening mechanism comprises a plurality of second screening rollers and a second screening roller driving device, the second screening rollers are arranged on the second shell, the second screening rollers are arranged in parallel, and the second screening roller driving device is used for driving the second screening rollers to rotate in the same direction;
the second screening roller comprises a second roller body and a plurality of second gear rings, the second gear rings comprise second gear rings and second screening teeth, the second gear rings are installed on the second roller body and are sequentially distributed along the length direction of the second roller body, the second screening teeth are uniformly distributed along the circumferential direction of the second gear rings, the second screening teeth comprise second straight edges and second arc edges, the second arc edges have radians, and the bending direction of the second arc edges is the same as that of the first arc edges.
2. The tobacco sheet screening apparatus of claim 1, wherein said first inlet and said outlet for oversized sheet-type material are located at respective ends of said first housing along the direction of material flow;
the sheet-shaped material discharge port covers the projection of all the first screening rollers on the plane where the sheet-shaped material discharge port is located.
3. The sheet tobacco screening apparatus of claim 1, wherein the first roller body has a first gear ring mounting groove disposed thereon, the first gear ring mounting groove extending along a length of the first roller body, the first gear ring being mounted on the first roller body by a first gear ring locating member.
4. The tobacco sheet screening apparatus of claim 3, wherein the first screening roller further comprises a first resilient member and a first moment adjuster;
the opposite surfaces of the adjacent first gear rings are abutted against the first elastic part positioned between the adjacent first gear rings;
the first torque adjusting member is provided for applying a force in a length direction of the first roller body to the first ring gears or the first elastic member to adjust a distance between the first ring gears.
5. The tobacco sheet screening apparatus of claim 1, wherein said second inlet opening covers said sheet type material outlet opening;
the fragment material discharge port covers the projection of all the second screening rollers on the plane where the fragment material discharge port is located.
6. The sheet tobacco screening apparatus of claim 1 wherein a second ring gear mounting groove is provided on the second roller body, the second ring gear mounting groove extending along a length of the second roller body, the second ring gear being mounted on the second roller body by a second ring gear locating member.
7. The tobacco sheet screening apparatus of claim 6, wherein the second screening roller further comprises a second resilient member and a second moment adjuster;
the opposite surfaces of the adjacent second gear rings are abutted against the second elastic part positioned between the adjacent second gear rings;
the second moment adjusting member is provided to apply a force in a length direction of the second roller body to the second ring gear or the second elastic member to adjust a distance between the second ring gears.
8. The tobacco sheet screening apparatus of claim 1 wherein the first straight edge is perpendicular to a central axis of the first roller body;
the second straight edge is perpendicular to the central axis of the second roller body.
9. The tobacco sheet screening apparatus of any one of claims 1 to 8, wherein the arc of the second curved edge is greater than the arc of the first curved edge.
10. The tobacco sheet screening apparatus of claim 9, wherein the spacing between adjacent second roller bodies is less than the spacing between adjacent first roller bodies.
CN202010188425.5A 2020-03-17 2020-03-17 Sheet cigarette screening equipment Pending CN111346807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010188425.5A CN111346807A (en) 2020-03-17 2020-03-17 Sheet cigarette screening equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010188425.5A CN111346807A (en) 2020-03-17 2020-03-17 Sheet cigarette screening equipment

Publications (1)

Publication Number Publication Date
CN111346807A true CN111346807A (en) 2020-06-30

Family

ID=71189960

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010188425.5A Pending CN111346807A (en) 2020-03-17 2020-03-17 Sheet cigarette screening equipment

Country Status (1)

Country Link
CN (1) CN111346807A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107899928A (en) * 2017-12-18 2018-04-13 湖南三七二生态防护有限公司 The screening plant and its application process of alien earth spray sowing vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107899928A (en) * 2017-12-18 2018-04-13 湖南三七二生态防护有限公司 The screening plant and its application process of alien earth spray sowing vehicle
CN107899928B (en) * 2017-12-18 2023-08-22 湖南三七二一生态防护有限公司 Screening device of soil-alienating spray seeding vehicle and application method thereof

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