Lifting type residual long cigarette screening device

Abstract

The utility model provides a lifting type residual long cigarette screening device which comprises a lifting carrier belt arranged in the inclined direction, a plurality of screening teeth are arranged on the surface of the lifting carrier belt, the lower end of the lifting carrier belt is meshed with a driving roller, and the upper end of the lifting carrier belt is further meshed with a driven roller. By the adoption of the technical scheme, when the lifting carrier belt runs, the screen teeth can pick up a constant number of cigarettes from the storage hopper, the cigarettes exceeding the corresponding number roll into the storage hopper again, and the cigarettes with the length smaller than the distance between the screen teeth also fall into the storage hopper again, so that the cigarettes are conveyed to the lifting carrier belt. Compared with the prior art, the cigarette screening device has the advantages that the cigarettes are screened according to the length size by means of the gravity of the cigarettes, the cigarettes cannot be extruded, the surfaces of the cigarettes cannot be abraded, the overall shapes of the cigarettes cannot be damaged, the screening efficiency is improved, and the screening quality is improved. And the reliability of screening results is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field especially, relate to a kind of lifting type defective long cigarette branch screening device. BACKGROUND

[0002] In the production process of filter cigarette, due to raw material, equipment and the quality of operating personnel and other factors, it can cause tobacco fullness and tightness, work number printing blur, leakage, tipping paper color difference, interface air leakage, suction resistance inconsistency and packaging quality defects, etc. Problems, thus forming a certain number of defective cigarette, these defective cigarette is not caused by tobacco quality problem, therefore, tobacco can be recycled, and the defective cigarette produced in the production process of enterprise is often in disorderly heap, and the length of which is different, therefore, before recycling tobacco in defective cigarette, defective cigarette must be screened, some length size shorter cigarette, because tobacco content in it is very limited, it is suitable to be rejected.

[0003] The existing screening equipment mainly has two structural forms, one is a vibrating screening machine, as the screening object, tobacco stem is easy to be stuck in the screen hole and cannot be ejected automatically. Therefore, it causes low tobacco stem screening efficiency; the other is a drum type screening equipment, for example, the patent document with publication number: "CN207271632U" discloses a long and short stem screening device, which comprises a fixed support, a framework, a vibrating screening mechanism, a rocker arm, the rocker arm is hingedly arranged on the fixed support, the upper part of the rocker arm is hingedly connected with the vibrating screening mechanism, so that the vibrating screening mechanism is above the fixed support, and the lower part of the rocker arm is hingedly connected with the framework, so that the framework is below the fixed support; the vibrating screening mechanism comprises a screen frame, a first level conveying belt, a second level conveying belt, a third level conveying belt, a first level vibrating screen and a second level vibrating screen arranged on the screen frame, the first level conveying belt is arranged at the discharge end of the first level vibrating screen, the second level conveying belt is arranged at the discharge end of the second level vibrating screen, the third level conveying belt is arranged below the second level vibrating screen, and the screen frame is hingedly connected with the rocker arm, so that the framework drives the screen frame to move left and right through the rocker arm. The patent technology adopts a drum type screening method, which can screen the length size of tobacco stem. However, since the defective cigarette mainly includes paper tube and tobacco, the materials of the two substances are very soft, and the drum type screening method is easy to squeeze the defective cigarette, which damages the shape of the cigarette and affects the screening result. Therefore, the drum type screening method is not suitable for screening defective cigarette. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a lifting type defective long cigarette branch screening device.

[0005] The utility model is realized by the following technical solutions.

[0006] The utility model provides a kind of lifting type defective long cigarette branch screening device, including the lifting carrier tape being set along the oblique direction, the surface of the lifting carrier tape is equipped with multiple screen teeth, and the lower end of the lifting carrier tape is engaged with driving roller, and the upper end of the lifting carrier tape is also engaged with driven roller.

[0007] The relative height between the screen teeth and the surface of the lifting carrier tape is greater than the diameter of the cigarette branch and less than twice the diameter of the cigarette branch.

[0008] Multiple screen teeth are respectively arranged equidistantly along the circumference of the lifting carrier tape, and the spacing of any two adjacent screen teeth is not more than three times the diameter of the cigarette branch in the projection length of the circumferential section of the lifting carrier tape.

[0009] One side of the screen teeth serves as a cigarette receiving surface, and the other side of the screen teeth serves as a cigarette overflow surface.

[0010] The lifting type defective long cigarette branch screening device further includes a rack, a brush roller and a motor, the brush roller is installed on the rack using a rolling bearing, the motor is fixedly connected with the rack, the brush roller is located above the lifting carrier tape and away from the driving roller, and a transmission mechanism is provided between the output shaft of the motor and the driving roller and between the driven roller and the brush roller.

[0011] The transmission mechanism includes a driving wheel, a driven wheel and a transmission belt, the driving wheel is fixedly connected with the output shaft of the motor and the driven roller respectively, the driven wheel is fixedly connected with the driving roller and the brush roller respectively, and the transmission belt is engaged and connected between the driving wheel and the driven wheel.

[0012] The driving wheel and the driven wheel are synchronous pulleys, and the transmission belt is a synchronous belt.

[0013] The rack is further fixedly connected with a storage hopper, the storage hopper is in the shape of an inverted cone as a whole, and the storage hopper is located above the lifting carrier tape.

[0014] The rack is further fixedly connected with a cigarette protection plate, the cigarette protection plate covers the upper end of the lifting carrier tape, and the cigarette protection plate is in the shape of a circular arc as a whole and is a metal thin plate.

[0015] The bottom of the rack is further provided with a castor.

[0016] The beneficial effects of this utility model are as follows: Using the technical solution of this utility model, the collected defective cigarettes are placed into the storage hopper. When the conveyor belt is running, the screen teeth can pick up a constant number of cigarettes from the storage hopper. Cigarettes exceeding the corresponding number will roll back into the storage hopper. Cigarettes shorter than the spacing between the screen teeth will also fall back into the storage hopper. Thus, the long cigarettes that can be recycled are screened out by the cigarette screening device. Compared with the prior art, this utility model uses the weight of the cigarettes themselves to complete the screening of cigarette length, without squeezing the cigarettes, without abrading the cigarette surface, and without damaging the overall shape of the cigarettes. This improves both screening efficiency and the reliability of the screening results. Attached Figure Description

[0017] Figure 1 This is the front view of this utility model;

[0018] Figure 2 It is along the present utility model Figure 1 A sectional view cut along plane AA.

[0019] Figure 3 This is a schematic diagram of the structure of the lifting carrier belt and screen teeth of this utility model;

[0020] Figure 4 This is a top view of the lifting carrier belt of this utility model.

[0021] In the diagram: 16-caster, 21-drive wheel, 22-driven wheel, 24-drive belt, 53-lifting carrier belt, 56-screen teeth, 57-drive roller, 58-driven roller, 59-motor, 60-transmission mechanism, 61-smoke receiving surface, 62-smoke overflow surface, 63-frame, 64-storage hopper, 65-brush roller, 68-smoke guard plate, 69-partition groove. Detailed Implementation

[0022] The technical solution of this utility model is further described below, but the scope of protection is not limited to what is described.

[0023] This utility model provides a lifting-type defective long cigarette screening device, such as Figures 1 to 4 As shown, it includes a lifting carrier belt 53 arranged along an inclined direction. The surface of the lifting carrier belt 53 is provided with a plurality of screen teeth 56, and the lower end of the lifting carrier belt 53 meshes with the driving roller 57, and the upper end of the lifting carrier belt 53 meshes with the driven roller 58.

[0024] The technical scheme of the utility model is adopted, the defective cigarettes collected are put into the storage hopper, when the lifting belt is running, the screen teeth can pick up constant number of cigarettes from the storage hopper, and the cigarettes exceeding the corresponding number will roll down to the storage hopper again, and the cigarettes with length less than the interval of the screen teeth will also fall to the storage hopper again, so that the long cigarettes that can be recycled are screened out by the cigarette screening device, compared with the prior art, the utility model uses the gravity of the cigarette itself to complete the screening of the length of the cigarette, does not cause extrusion to the cigarette, does not cause abrasion to the surface of the cigarette, does not damage the overall shape of the cigarette, improves the screening efficiency and improves the reliability of the screening result.

[0025] Specifically, the relative height between the screen teeth 56 and the surface of the lifting belt 53 is greater than the diameter of the cigarette and less than twice the diameter of the cigarette. A plurality of screen teeth 56 are arranged at equal intervals along the circumference of the lifting belt 53, and the interval between any two adjacent screen teeth 56 is not more than three times the diameter of the cigarette in the projection length of the circumferential section of the lifting belt 53. One side of the screen tooth 56 is used as a cigarette bearing surface 61, and the other side of the screen tooth 56 is used as a cigarette overflow surface 62. The cigarette bearing surface 61 is an arc curved surface, and the cigarette overflow surface 62 is a flat surface. Each screen tooth 56 is further provided with a partition groove 69, and the width of the partition groove 69 is less than the length of the cigarette. The interval between the two adjacent partition grooves 69 is not more than 2.5 times the length of the cigarette. The technical scheme of the utility model is adopted, and the surface of the screen tooth 56 is further provided with the partition groove 69, so that the short cigarettes with a shorter length will fall to the storage hopper again through the partition groove 69, and the screen tooth 56 can only pick up long cigarettes, thereby realizing automatic screening of the length of the cigarette.

[0026] In addition, the lifting type defective long cigarette screening device further comprises a rack 63, a brush roller 65 and a motor 59. The brush roller 65 is installed on the rack 63 using a rolling bearing. The motor 59 is fixedly connected with the rack 63. The brush roller 65 is located above the lifting belt 53 and away from the driving roller 57. Transmission mechanisms 60 are arranged between the output shaft of the motor 59 and the driving roller 57 and between the driven roller 58 and the brush roller 65. The technical scheme of the utility model is adopted. The rack 63 is used for supporting the lifting belt. The brush roller 65 rotates synchronously with the driving roller 57 and the driven roller 58. The brush roller 65 is used for further pushing the screen tooth surface to exceed the corresponding number of cigarettes to the storage hopper, so as to re-screen and ensure that each screen tooth picks up a stable number of cigarettes each time.

[0027] In addition, the transmission mechanism 60 comprises a driving wheel 21, a driven wheel 22 and a transmission belt 24. The driving wheel 21 is fixedly connected with the output shaft of the motor 59 and the driven roller 58 respectively. The driven wheel 22 is fixedly connected with the driving roller 57 and the brush roller 65 respectively. The transmission belt 24 is engagedly connected between the driving wheel 21 and the driven wheel 22. The driving wheel 21 and the driven wheel 22 are synchronous pulleys, and the transmission belt 24 is a synchronous belt.

[0028] Specifically, the rack 63 is further fixedly connected with a storage hopper 64, the storage hopper 64 is in the shape of an inverted cone as a whole, and the storage hopper 64 is located above the lifting carrier tape 53. The rack 63 is further fixedly connected with a smoke guard 68, the smoke guard 68 covers the upper end of the lifting carrier tape 53, and the smoke guard 68 is in the shape of a circular arc metal sheet as a whole. According to the technical scheme of the utility model, the smoke guard 68 is used for preventing the screened-out cigarettes from falling randomly on one hand, and on the other hand, the smoke guard 68 further removes the cigarettes exceeding the corresponding number from the surface of the screening tooth.

[0029] In addition, the bottom of the rack 63 is further provided with a castor 16. Thus, the utility model is convenient for assembling or connecting with other tobacco production equipment.

Claims

1. A lift-out defective long cigarette filter screening device, characterized in that: The lifting carrier tape (53) is provided with a plurality of screen teeth (56) on the surface thereof, and the lower end of the lifting carrier tape (53) is engaged with a driving roller (57), and the upper end of the lifting carrier tape (53) is further engaged with a driven roller (58).

2. A reject cigarette length sorting device as defined in claim 1, wherein: The relative height between the screen teeth (56) and the surface of the lifting carrier tape (53) is greater than the diameter of the cigarette and less than twice the diameter of the cigarette.

3. A reject cigarette length elevator device as defined in claim 1, wherein: The plurality of screen teeth (56) are equidistantly arranged along the circumference of the lifting carrier tape (53), and the distance between any two adjacent screen teeth (56) is not more than three times the diameter of the cigarette.

4. A rising reject filter device for defective long cigarettes according to any one of claims 1 to 3, characterized in that: One side of the screen teeth (56) is used as a cigarette receiving surface (61), and the other side of the screen teeth (56) is used as a cigarette overflow surface (62), the cigarette receiving surface (61) is an arc-shaped curved surface, and the cigarette overflow surface (62) is a flat surface.

5. A reject elevator cigarette filter device according to claim 1, wherein: The lifting type defective long cigarette screening device further comprises a rack (63), a brush roller (65) and a motor (59), the brush roller (65) is installed on the rack (63) using a rolling bearing, the motor (59) is fixedly connected with the rack (63), the brush roller (65) is located above the lifting carrier tape (53) and away from the driving roller (57), and a transmission mechanism (60) is arranged between the output shaft of the motor (59) and the driving roller (57) and between the driven roller (58) and the brush roller (65).

6. A reject long cigarette lifter according to claim 5, wherein: The transmission mechanism (60) comprises a driving wheel (21), a driven wheel (22) and a transmission belt (24), the driving wheel (21) is fixedly connected with the output shaft of the motor (59) and the driven roller (58) respectively, the driven wheel (22) is fixedly connected with the driving roller (57) and the brush roller (65) respectively, and the transmission belt (24) is engaged and connected between the driving wheel (21) and the driven wheel (22).

7. A reject long cigarette lifter according to claim 6, wherein: The driving wheel (21) and the driven wheel (22) are synchronous pulleys, and the transmission belt (24) is a synchronous belt.

8. A reject long cigarette lifter according to claim 5, wherein: The rack (63) is further fixedly connected with a storage hopper (64), the storage hopper (64) is in the shape of an inverted cone as a whole, and the storage hopper (64) is located above the lifting carrier tape (53).

9. A reject long cigarette lifter according to claim 5, wherein: The rack (63) is further fixedly connected with a cigarette protection plate (68), the cigarette protection plate (68) covers the upper end of the lifting carrier tape (53), and the cigarette protection plate (68) is in the shape of a circular arc metal thin plate as a whole.

10. A reject filter device as claimed in claim 5 or 8 or 9, wherein: The bottom of the rack (63) is further provided with a castor (16).

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