Adjusting device for cut stem winnowing and on-site winnowing machine

Abstract

The utility model belongs to the technical field of tobacco preparation, and discloses an adjusting device for cut stem winnowing and an in-situ winnowing machine. The adjusting device for the cut stem winnowing is used for assisting an on-site winnowing machine to conduct winnowing on cut stems and comprises an adjusting blocking piece, and the adjusting blocking piece is arranged at the junction of a discharging opening and a conveying piece of the on-site winnowing machine and used for blocking unqualified cut stems. The height of the adjusting stopper is adjustable so as to adjust the rejecting degree of the unqualified cut stems; therefore, on the premise that the winnowing function of the on-site winnowing machine is achieved, secondary winnowing for assisting in removing the cut stems is added, the removal rate of unqualified products in the cut stems is increased, the cut stem winnowing removal efficiency and purity are guaranteed, and the rolling and connecting process and the cigarette quality of a rolling and packaging workshop are improved. And in addition, the rejecting degree of the adjusting device for the cut stem winnowing can be adjusted, so that the adjusting device for the cut stem winnowing is suitable for winnowing of cut stems with more requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco preparation technical field especially, a kind of adjusting device and on-site winnowing machine for stem thread winnowing. BACKGROUND

[0002] On-site winnowing machine is one of material separation equipment on cigarette factory silk production line, for different processing technology of tobacco material such as tobacco leaf, tobacco, stem, stem thread, expanded tobacco thread.Currently stem thread needs to be winnowed after drying, and wet mass, stem head and stem signature in stem thread after drying are removed on site, to improve the purity of stem thread, so as to avoid affecting the rolling process and cigarette quality of workshop.In detail, stem thread after drying enters winnowing box body through feeding mechanism, and stem signature, stem head, coke piece etc.are removed by wind selection and flotation, and qualified stem thread is selected to enter next process.

[0003] However, the on-site winnowing machine after stem thread drying has the following problems: under the premise that qualified stem thread is not contained in selected stem thread, the removed material contains more qualified stem thread, not only causes unnecessary waste and affects workshop stem thread output rate index, but also greatly increases the labor intensity of operator.If the winnowing negative pressure is increased, although the qualified stem thread in removed material is reduced, but unqualified stem thread is also reduced, and many unqualified stem thread enters next process through conveying belt, which seriously affects the purity of workshop stem thread.

[0004] Therefore, a kind of adjusting device and on-site winnowing machine for stem thread winnowing are needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] One purpose of the utility model is to provide an adjusting device for stem thread winnowing, which can improve the problem of unsatisfactory winnowing effect and improve stem thread winnowing removal efficiency and purity.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The adjusting device for stem thread winnowing is used to assist on-site winnowing machine to winnow stem thread, and the adjusting device for stem thread winnowing includes adjusting blocking piece, the adjusting blocking piece is arranged at the junction of the material falling port of the on-site winnowing machine and the conveying piece, to block unqualified stem thread, and the height of the adjusting blocking piece is adjustable to adjust the removal degree of unqualified stem thread.

[0008] Optionally, the adjusting block comprises two adjusting plates, the adjusting plates comprise first ends and second ends, the first ends of the two adjusting plates are hinged, and the second ends of the two adjusting plates are arranged at the joint of the material falling port of the on-site air-choosing machine and the conveying member.

[0009] Optionally, the two adjusting plates are configured as a first adjusting plate and a second adjusting plate, the second end of the first adjusting plate is rotationally connected to the tank wall of the on-site air-choosing machine, and the second adjusting plate is slidingly and limitingly connected to the tank wall of the on-site air-choosing machine.

[0010] Optionally, the second end of the first adjusting plate is provided with a rotating shaft, and the two ends of the rotating shaft are rotationally connected to the oppositely arranged tank walls of the on-site air-choosing machine.

[0011] Optionally, the adjusting device further comprises an adjusting driving member, the adjusting driving member is arranged outside the tank wall of the on-site air-choosing machine, the output end of the adjusting driving member is connected to the rotating shaft, and the adjusting driving member can drive the rotating shaft to rotate, so that the second ends of the two adjusting plates are brought close to or away from each other.

[0012] Optionally, the adjusting driving member comprises an arc-shaped groove, the center of the arc-shaped groove is the same as the center of the rotating shaft, the tank wall of the on-site air-choosing machine is provided with a sliding rod, and the arc-shaped groove is slidingly connected to the sliding rod, so as to drive the rotating shaft to rotate.

[0013] Optionally, the second adjusting plate is provided with a plurality of positioning pins, the tank wall of the on-site air-choosing machine is provided with a plurality of sliding grooves, and the positioning pins are slidingly connected to the sliding grooves, so that the second adjusting plate is slidingly and limitingly connected to the tank wall of the on-site air-choosing machine.

[0014] Optionally, the second end of the second adjusting plate is further provided with a scraping member, and at least part of the scraping member is arranged in abutment with the conveying member.

[0015] Optionally, the adjusting block further comprises a hinge member arranged between the first ends of the two adjusting plates, so that the two adjusting plates are hingedly connected.

[0016] Another purpose of the utility model is to provide a kind of on-site air-choosing machine, including the adjusting device for stem shred air-choosing described above, can improve the problem that air-choosing effect is not ideal, improve stem shred air-choosing rejection efficiency and purity.

[0017] The utility model has the advantages that:

[0018] The utility model provides a kind of adjusting device for stem silk winnowing and winnowing in situ, by being provided with adjusting baffle in the junction of blanking opening and conveying piece of winnowing in situ, form a line of baffle in the route of stem silk blowing, so that heavier unqualified product is blocked by adjusting baffle and falls to blanking opening, lighter qualified stem silk falls to conveying piece on the blanking opening and is conveyed to discharge opening, to realize the premise of winnowing effect of winnowing in situ, additionally winnowing of auxiliary stem silk rejection is increased, so as to improve the rejection rate of unqualified product in stem silk, simultaneously, without changing the degree of negative pressure of winnowing machine, avoid the increase of unqualified product in stem silk into next process, ensure stem silk winnowing rejection efficiency and purity, improve the volume of cigarette factory and cigarette quality.And, the height of adjusting baffle is adjustable, so that the adjusting device for stem silk winnowing is adjusted to the rejection degree of unqualified product, to adapt to more demand stem silk winnowing. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the axonometric drawing of part structure of winnowing in situ provided by the utility model specific embodiment;

[0020] Figure 2 It is Figure 1 It is the local enlarged view of A in

[0021] Figure 3 It is the axonometric drawing of adjusting device for stem silk winnowing provided by the utility model specific embodiment;

[0022] Figure 4 It is the structure schematic view when adjusting device for stem silk winnowing is carried out winnowing to stem silk provided by the utility model specific embodiment.

[0023] In the drawing:

[0024] 1, stem silk; 2, unqualified product;

[0025] 10, adjusting baffle; 11, first adjusting plate; 12, second adjusting plate; 13, rotating shaft; 14, positioning pin; 15, scraping piece; 16, pressing strip; 17, hinged piece;

[0026] 21, adjusting drive; 211, arc slot; 22, sliding rod;

[0027] 120, box; 121, sliding slot; 122, bearing seat; 130, blanking opening; 140, conveying piece; 150, discharge opening; 200, waste collection piece. DETAILED DESCRIPTION

[0028] The utility model will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0029] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through other features between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0031] In the description of the embodiment, the terms "up", "down", "left", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0032] The following refers to Figures 1 to 4 and specific embodiments to introduce the adjusting device for cut tobacco wind selection and on-site wind selection machine provided by the utility model.

[0033] Currently, the in-situ air-eliminator utilizes the differential air-elimination and flotation to eliminate the unqualified products 2 such as stem sign, stem head, and coke sheet from the stem 1. Specifically, after the stem 1 and the unqualified products 2 thereof are blown out by the in-situ air-eliminator, the unqualified products 2 such as stem sign, stem head, and coke sheet will fall into the dropping port 130 due to their heavier weight, while the lighter stem 1 falls into the conveying member 140 and is conveyed to the discharging port 150 for collection, so as to realize the air-elimination of the stem 1. However, during the air-elimination process, there will be a problem that the removed products contain a large amount of qualified stem 1, resulting in waste, or the stem 1 discharged from the discharging port 150 contains a large amount of unqualified products 2, resulting in the reduction of the purity of the stem 1.

[0034] To solve the above technical problem, the embodiment provides an adjusting device for stem air-elimination, which is used to assist the in-situ air-eliminator to air-eliminate the stem 1, so as to realize further air-elimination of the stem 1 and removal of the unqualified products 2.

[0035] Please refer to Figures 1 to 3 , specifically, the adjusting device for stem air-elimination comprises an adjusting blocking member 10, which is arranged at the junction of the dropping port 130 and the conveying member 140 of the in-situ air-eliminator, so as to block the unqualified stem 1; the height of the adjusting blocking member 10 is adjustable, so as to adjust the removal degree of the unqualified stem 1.

[0036] As shown in Figure 1 and Figure 4 , the adjusting device for stem air-elimination in the embodiment forms a blocking line in the blowing path of the stem 1 by arranging the adjusting blocking member 10 at the junction of the dropping port 130 and the conveying member 140 of the in-situ air-eliminator, so that the heavier unqualified products 2 are blocked by the adjusting blocking member 10 and fall into the dropping port 130, and the lighter qualified stem 1 falls over the adjusting blocking member 10 and is conveyed to the discharging port 150 on the conveying member 140, so as to realize secondary air-elimination for assisting the removal of the stem 1 under the premise of the air-elimination of the in-situ air-eliminator, thereby improving the removal rate of the unqualified products 2 in the stem 1, without the need to change the negative pressure degree of the air-eliminator, avoiding the increase of the unqualified products 2 in the stem 1 entering the next process, ensuring the air-elimination efficiency and purity of the stem 1, and improving the cigarette making process in the cigarette making workshop and the quality of the cigarette. In addition, the height of the adjusting blocking member 10 is adjustable, so that the removal degree of the unqualified products 2 by the adjusting device for stem air-elimination is adjustable, so as to adapt to the air-elimination of the stem 1 with more requirements.

[0037] Please refer to Figure 2 and Figure 3In the embodiment, the adjusting baffle 10 comprises two adjusting plates, the adjusting plates comprise first ends and second ends, the first ends of the two adjusting plates are hinged, and the second ends of the two adjusting plates are arranged at the joint of the material dropping port 130 and the conveying member 140 of the in-situ air-choosing machine; the angle between the two adjusting plates is adjustable to adjust the height of the adjusting baffle 10. The two adjusting plates are rotated to change the angle between the two adjusting plates, thereby changing the height of the adjusting baffle 10 to adapt to the air-choosing of more demand cut tobacco.

[0038] Specifically, the two adjusting plates are configured as a first adjusting plate 11 and a second adjusting plate 12, the second end of the first adjusting plate 11 is rotationally connected to the tank wall of the in-situ air-choosing machine, and the second adjusting plate 12 is slidingly and limitingly connected to the tank wall of the in-situ air-choosing machine, so that both of the two adjusting plates can be limitingly connected to the tank wall of the in-situ air-choosing machine to avoid dislocation and the like, and the accuracy of the position of the adjusting baffle 10 is improved.

[0039] Specifically, the second end of the first adjusting plate 11 is provided with a rotating shaft 13, both ends of the rotating shaft 13 are rotationally connected to the oppositely arranged tank walls of the in-situ air-choosing machine, so that the first adjusting plate 11 can be limitingly connected to the two tank walls of the in-situ air-choosing machine to make the first adjusting plate 11 more stable during rotation and use, and avoid position deviation and the like.

[0040] Further, the adjusting device for cut tobacco air-choosing further comprises an adjusting driving member 21, the adjusting driving member 21 is arranged outside the tank wall of the in-situ air-choosing machine, and the output end of the adjusting driving member 21 is connected to the rotating shaft 13, the adjusting driving member 21 can drive the rotating shaft 13 to rotate to drive the second ends of the two adjusting plates to approach or move away from each other. The adjusting driving member 21 can drive the rotating shaft 13 to rotate, so that the first adjusting plate 11 is rotated to drive the second adjusting plate 12 to rotate, thereby adjusting the height of the hinged first end of the two adjusting plates, and further adjusting the degree of rejection of unqualified cut tobacco 1 to be rejected.

[0041] Specifically, the adjusting driving member 21 comprises an arc-shaped groove 211, the center of the arc-shaped groove 211 is the same as the center of the rotating shaft 13, the tank wall of the in-situ air-choosing machine is provided with a sliding rod 22, and the arc-shaped groove 211 is slidingly connected to the sliding rod 22 to drive the rotating shaft 13 to rotate.

[0042] More specifically, the sliding rod 22 is further provided with a threaded cap, after the sliding rod 22 and the arc-shaped groove 211 are slid to the preset position, the threaded cap can be tightened on the sliding rod 22 to fix the adjusting driving member 21 and the tank wall, thereby locking the position of the adjusting baffle.

[0043] Specifically, the outer side of the box wall of the on-site winnower is provided with a bearing seat 122, the adjusting driving member 21 is arranged outside the bearing seat 122, the rotating shaft 13 penetrates through the bearing seat 122 and is connected with the bearing seat 122 through a bearing, so that the rotating shaft 13 is rotatably connected to the box wall, and the reliability and service life of the rotation of the rotating shaft 13 are improved.

[0044] In order to realize the sliding limiting connection between the second adjusting plate 12 and the box wall of the on-site winnower, the second adjusting plate 12 is provided with a plurality of positioning pins 14, and the box wall of the on-site winnower is provided with a plurality of sliding grooves 121, the positioning pins 14 are slidingly connected to the sliding grooves 121, so that the second adjusting plate 12 is slidingly and limitingly connected with the box wall of the on-site winnower. Alternatively, the extension direction of the sliding groove 121 is the movement direction of the second adjusting plate 12 when the first adjusting plate 11 moves, so as to realize the guidance of the movement direction of the second adjusting plate 12 and the limiting connection between the second adjusting plate 12 and the box wall.

[0045] Specifically, the opposite ends of the second adjusting plate 12 are provided with the positioning pins 14, and the opposite box walls of the on-site winnower are provided with the sliding grooves 121, so that the movement process of the second adjusting plate 12 is more stable, and the possibility of position deviation, jamming and other problems is reduced.

[0046] Further, the second end of the second adjusting plate 12 is also provided with a scraping member 15, at least part of the scraping member 15 is arranged in abutment with the conveying member 140, the scraping member 15 is arranged to provide a certain buffer between the second adjusting plate 12 and the conveying member 140, and the problem of the cut stem 1 entering the gap between the second adjusting plate 12 and the conveying member 140 caused by the large gap is avoided, and the reliability of the adjusting device for cut stem winnowing is improved. Specifically, the scraping member 15 is fixed to the second end of the second adjusting plate 12 through a pressing strip 16, so as to realize the fixed connection between the second adjusting plate 12 and the scraping member 15.

[0047] Further, the adjusting stop piece 10 also includes a hinged member 17 arranged between the first ends of the two adjusting plates, so that the two are hingedly connected. Alternatively, the hinged member 17 can be a hinged hinge, a rotating shaft or other hinged structure, which is not limited here. Illustratively, the hinged member 17 in the embodiment is a hinged hinge, so as to realize the hinged connection of the two.

[0048] Of course, the above-mentioned adjusting stop piece 10 is only one specific embodiment, and in other embodiments, the adjusting stop piece 10 can also be other height-adjustable structures, which are not limited here.

[0049] Exemplarily, in other embodiments, the adjusting block 10 comprises a baffle and a telescopic frame, the telescopic frame is arranged at the junction of the material dropping port 130 and the conveying member 140 of the in-situ air-ascertaining machine, and the baffle is arranged at one side of the telescopic frame, the telescopic frame is telescopic in the height direction to adjust the height of the baffle, which can also realize the performance of adjusting the blocking of the adjusting block 10 to the unqualified cut stem 1 and the height adjustment.

[0050] The embodiment also provides an in-situ air-ascertaining machine, which comprises the adjusting device for cut stem air-ascertaining according to any one of the above solutions. By adopting the adjusting device for cut stem air-ascertaining, the problem of unsatisfactory air-ascertaining effect is improved when the cut stem 1 is air-ascer-tained after drying, and the air-ascertaining and removing efficiency and purity of the cut stem 1 are improved.

[0051] Please refer to Figure 1 In particular, the in-situ air-ascertaining machine further comprises a box body 120, a material dropping port 130 and a conveying member 140, the adjusting device for cut stem air-ascertaining, the material dropping port 130 and the conveying member 140 are arranged in the box body 120, and the material dropping port 130 and the conveying member 140 are arranged in sequence at the air-ascertaining outlet, so that the qualified cut stem 1 that is air-ascer-tained is subjected to a second air-ascertaining and removing before falling into the conveying member 140, thereby improving the air-ascertaining and removing efficiency and purity of the cut stem 1.

[0052] Please refer to Figure 4 More specifically, the material dropping port 130 can be arranged in correspondence with a waste collecting member 200, and the waste collecting member 200 is used for collecting the unqualified cut stem 1 flowing out of the material dropping port 130 to avoid polluting the environment.

[0053] Further, the in-situ air-ascertaining machine further comprises a material outlet 150, and the material outlet 150 is arranged at the tail of the conveying member 140 to realize the output of the qualified cut stem 1.

[0054] Obviously, the above embodiments of the present application are merely exemplary and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the scope of the present application. Here, it is unnecessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. An adjustment device for air separation of stems, characterized in that, The adjustment device for assisting the local air classifier in air classifying the stems (1) includes an adjustment baffle (10). The adjustment baffle (10) is located at the junction of the discharge port (130) and the conveyor (140) of the local air classifier to block unqualified stems (1). The height of the adjustment baffle (10) is adjustable to adjust the degree of rejection of unqualified stems (1).

2. The adjusting device for air separation of stems according to claim 1, characterized in that, The adjusting baffle (10) includes two adjusting plates, each with a first end and a second end. The first ends of the two adjusting plates are hinged together, and the second ends of the two adjusting plates are spaced apart at the junction of the material discharge port (130) and the conveyor (140) of the local air separator. The angle between the two adjusting plates is adjustable to adjust the height of the adjusting baffle (10).

3. The adjusting device for air separation of stems according to claim 2, characterized in that, The two adjustment plates are configured as a first adjustment plate (11) and a second adjustment plate (12). The second end of the first adjustment plate (11) is rotatably connected to the box wall of the local air separator, and the second adjustment plate (12) is slidably limited connected to the box wall of the local air separator.

4. The adjusting device for air separation of stems according to claim 3, characterized in that, The second end of the first adjusting plate (11) is provided with a rotating shaft (13), and both ends of the rotating shaft (13) are rotatably connected to the oppositely arranged box wall of the local air separator.

5. The adjusting device for air separation of stems according to claim 4, characterized in that, It also includes an adjustment drive (21), which is disposed on the outside of the box wall of the local air separator and the output end of the adjustment drive (21) is connected to the rotating shaft (13). The adjustment drive (21) can drive the rotating shaft (13) to rotate so as to drive the second ends of the two adjustment plates to move closer to each other or further away from each other.

6. The adjusting device for air separation of stems according to claim 5, characterized in that, The adjustment drive component (21) includes an arc-shaped groove (211), the center of which is the same as the center of the rotating shaft (13). The box wall of the local air separator is provided with a sliding rod (22), and the arc-shaped groove (211) is slidably connected to the sliding rod (22) to drive the rotating shaft (13) to rotate.

7. The adjusting device for air separation of stems according to claim 3, characterized in that, The second adjusting plate (12) is provided with a plurality of positioning pins (14), and the box wall of the local air separator is provided with a plurality of sliding grooves (121). The positioning pins (14) are slidably connected to the sliding grooves (121) so that the second adjusting plate (12) is slidably limited to the box wall of the local air separator.

8. The adjusting device for air separation of stems according to claim 7, characterized in that, The second end of the second adjusting plate (12) is also provided with a scraper (15), at least a portion of which is fitted to the conveyor (140).

9. The adjusting device for air separation of stems according to claim 2, characterized in that, The adjusting stop (10) further includes a hinge (17), which is disposed between the first ends of the two adjusting plates so that the two plates are hinged together.

10. An in-situ air separator, characterized in that, Includes the adjustment device for stem air separation as described in any one of claims 1-9.

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