JPH0240799Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention is a shredded tobacco sorting device, more specifically, a shredded tobacco that can separate and recover shredded tobacco while loosening the lump-like shreds of good quality that tend to occur in shredded shredded tobacco. Regarding a sorting device.

(Prior art) Generally, it is desirable that shredded tobacco (hereinafter simply referred to as shredded tobacco) be uniform in shape, size, etc.; Alternatively, so-called foreign substances, including impurities other than tobacco, may be mixed in, and if even a small amount of these foreign substances are mixed in during chopping, the commercial value of the product cigarette will be significantly reduced.

Conventionally, as a means for separating such foreign substances from the chopped material, a separator that performs wind separation based on the difference in specific gravity has been generally used. However, depending on the type of shredded shreds, good shreds may become intertwined with each other to form a lump-like shape, and this entanglement may occur especially when the shreds are subjected to post-processing such as swelling. Seen relatively often. Therefore, when a conventional separator is used to separate foreign matter during chopping, there is a drawback that such nodules of good quality are separated and removed at the same time as the foreign matter. In this case, increasing the wind speed of the separator can prevent the separation of the nodule-shaped good pieces, but at the same time, the separation efficiency of foreign substances will decrease, so it is difficult to separate and collect the nodule-like good pieces using only the separator. It was hot.

(Problems to be solved by the invention) The present invention was developed by focusing on the conventional drawbacks associated with the wind separation of foreign substances in shredded tobacco. The purpose of the present invention is to provide a chopping and sorting device for separating and eliminating only foreign matter by effectively collecting foreign matter.

(Means for Solving the Problems) The present invention will be described in detail below with reference to the accompanying drawings showing embodiments.

Fig. 1 is an overall schematic explanatory diagram of the tobacco shredding device of the present invention, Fig. 2 is a partially cutaway schematic front view of the main body of the device, Fig. 3 is a sectional view taken along line A-A in Fig. 2, and Fig. 4 is A perspective view of the main parts of the lower part of the device main body shown in FIG. 2 is shown.

In these figures, the tobacco shredding and sorting device of the present invention is roughly divided into a device main body A, and a separator C connected to the device main body A via a shredding air pipe B.

First, the main body A of the device is formed by forming a cylinder 1 having a substantially rectangular cylinder shape, with an open opening 2 at the bottom thereof, and a conical hood 3 by carving the top of the cylinder 1 to which an air blowing pipe B is connected. Furthermore, a notched supply port 5 is provided at the intermediate portion of the front wall 1a of the cylinder 1, and the rear wall 1b of the cylinder 1 facing the notched supply port 5 is formed to be movable back and forth. At the same time, a plurality of unraveling rods 6 are arranged in parallel at the lower part of the rear wall 1b and are inclined downward toward the bottom opening 2 of the cylindrical body 1.

In this configuration, the front wall 1a and both side walls 1c of the cylindrical body 1 are formed as fixed walls, but the rear wall 1b is a movable wall, and is formed so as to be movable inward of the cylindrical body 1. Note that 1d is a straddle-shaped guide plate formed at the bottom opening 2 of the cylindrical body 1 for rectifying sucked air.

As shown in FIG. 3, the movable wall 1b is formed such that both ends of the movable wall 1b are bent inwardly into the cylindrical body 1 in an arc shape.
Seal members 7 made of skirt belts are attached to both side edges of the side walls 1c to seal the both side walls 1c. Further, the upper end of the movable wall 1b is connected to a guide plate 9 via a long hinge 8, as shown in FIG.
The guide plate 9 is a support shaft 1 provided at the upper part of the inner wall of the hood 3.
It is rotatably attached to 0.

The movable mechanism for the movable wall 1b may be an automatic control system using an air cylinder or the like, but since this increases the cost, the illustrated embodiment shows a manual movable mechanism. That is, in FIG. 4, reference numeral 11 denotes a front movable frame to which both ends of the movable wall 1b are fixed;
2 is a rear movable frame to which the flat plate part of the movable wall 1b is fixed, and the front movable frame 1 and the rear movable frame 12 are connected to the connecting part 1.
3 and 14, and the rear movable frame 12
A long groove 15 is formed on the side surface. On the other hand, side wall 1
A screw shaft 2 has a bracket 18 projecting from the upper part of a frame 17 disposed at the rear of a frame 16 that holds the rear edge of c, and an operating handle 19 attached to the lower end.
0 is held in frame 17. This screw shaft 20
A screw nut 21 is mounted on the screw nut 21, which moves up and down as the operating handle 19 is rotated. An arm 22 is installed between the lower part of the rear movable frame 12 and the bracket 18 of the frame 17, with one end pivotally supported on the bracket 18 and the other end movable up and down within the long groove 15 of the rear movable frame 12. Furthermore, between the upper part of the rear movable frame 12 and the screw shaft 20, an arm 23 having one end pivotally supported on the rear movable frame 12 and the other end pivotally supported on the screw nut 21 is installed.
and 23 are cross-supported by a support shaft 24. The above configuration is arranged behind both sides of the movable wall 1b.

The movable mechanism of the movable wall 1b is as described above, and by manually rotating the operating handle 19 and moving the screw nut 21 up and down on the screw shaft 20, the arms 22 and 23 are moved around the cross support shaft 24 as a fulcrum. The movable frame 1b is allowed to move back and forth within the cylinder 1.

Next, in the main body A of the apparatus, the unraveling rods 6 arranged in parallel at the lower part of the movable wall 1b have a length so as to partially apply a collision force to the tobacco shreds in the shape of nodules falling from the shred supply port 5. It is made of resin or metal rods approximately 20 to 50 cm in diameter and approximately 5 to 10 mm in diameter, and is inserted between each unraveling rod 6 so that the tobacco shreds, which have partially received an impact force, receive an upward force. It forms a path for upward airflow of 1 to 2.5 mm in the air, and also helps loosen foreign objects with heavy specific gravity.
The angle of inclination of the fixing rod 6 is set to about 25 to 30 degrees with respect to the movable wall 1b so that it does not accumulate on the top and falls into the open opening 2 below, and the fixing rod 6 is arranged in parallel over almost the entire width of the flat plate part of the movable wall 1b. will be established.

Preferably, a plurality of openings 25 are formed in the movable wall 1b at the lower part of the mounting portion of the unraveling rod 6. The openings 25 are provided to allow outside air to flow into the lower part of the movable wall 1b or toward the back side of the pulley rod 6, and their diameter, number, etc. are set as appropriate.

Next, the separator C is for separating the air-blown notches from the air as shown in FIG. 1, and a known tangential separator is preferably used.

That is, the separator C has the separator body 26
An inlet 27 connected to the air pipe B is carved at the top of the
It is constructed by providing a separated air outlet 28 on the side wall, and an air pump 29 and a chopper outlet 30 at the bottom, respectively, and the air outlet 28 communicates with a suction fan (not shown). Note that 31 is a motor for driving the air pump 29. Further, in FIG. 1, 32 is a vibrating conveyor for transporting sorted and separated foreign matter.

(Function) First, a suction fan (not shown) connected to the separator C is driven to maintain negative pressure inside the cylinder 1.
Air is taken in from the bottom opening 2 of the cylinder 1 to form an upward airflow inside the cylinder 1. In this state, chopping supply port 5
When the chopped pieces are fed into the cylinder 1, as shown in FIG.
The air is blown in the direction of the arrow C, but the high-density, nodule-shaped good pieces and foreign matter resist the upward airflow and fall in the direction of the arrow D, colliding with the loosening rod 6. Due to this collision, a partial impact force is applied to the nodule-shaped good products and they are loosened, and the rising air flowing from between the loosening rods 6 causes them to be broken apart by a force in the opposite direction to the impact force. It decomposes into , and rises in the direction of arrow E. On the other hand, foreign matter with a heavy specific gravity does not accumulate on the unraveling rod 6, but falls downward and is separated and sorted.

In this case, the movable wall 1b is moved by operating the above-mentioned movable mechanism, and the effective cross-sectional area of the airflow rising inside the cylindrical body 1 is appropriately varied according to the type and nature of the notch, thereby making it possible to improve the quality of good product. It can be set to the air flow pattern with the best sorting efficiency. Also, movable wall 1b
The opening 25 at the bottom has the effect of increasing the amount of ventilation into the gap between the unraveling rods 6 and promoting the unraveling of the nodule-like good quality pieces. Incidentally, defective chips that are not loosened even when they collide with the loosening rod 6 fall through the opening 2 onto the vibrating conveyor 32 and are collected or discarded.

On the other hand, the non-defective shreds blown to the separator C via the air pipe B are centrifuged while spirally descending inside the separator main body 26, and the shreds are discharged from the discharge port 30 via the aerotaker 29. be done. or,
The separated air is sucked and discharged from the exhaust port 28 by a suction fan.

(Effects of the invention) Since the tobacco shredded sorting device of the present invention has the configuration and operation described in detail above, the block-shaped shredded tobacco, which was difficult to separate from foreign matter using only a separator, is broken up and the impact of the stick is eliminated. The material is broken down into pieces by the force and the rising air flowing between the cracking rods, air-separated, and recovered as non-defective products. Therefore,
This eliminates the need for the conventional work of manually sorting and collecting fine chunks of fine particles from discharged foreign matter.
Benefits include streamlining the sorting process and reducing the amount of waste.

[Brief explanation of the drawing]

Fig. 1 is an overall schematic explanatory diagram of the tobacco shredding sorting device of the present invention, Fig. 2 is a partially cutaway schematic front view of the main body of the device, Fig. 3 is a sectional view taken along line A-A in Fig. 2, and Fig. 4 is FIG. 3 shows a perspective view of the main parts of the lower part of the device main body shown in FIG. 2. FIG. A... Device body, B... Chopped air pipe, C... Separator, 1... Cylindrical body, 1a... Front wall, 1b... Rear wall (movable wall), 1c... Side wall, 2... Open mouth, 3... Hood, 5
... Chopping supply port, 6... Unraveling rod, 25... Opening.

Claims (1)

[Claims for Utility Model Registration] (1) A tobacco shredded supply port is provided on the front wall of a substantially pyramid-shaped cylinder with an open mouth at the bottom and a hood at the top, and a blow pipe is connected to the top of the hood. A diameter of about 5 to 10 mm is connected to the shredded tobacco separator through the cylindrical body, is formed on the rear wall of the cylindrical body so as to be movable back and forth, and is inclined toward the bottom opening of the cylindrical body at the lower part of the rear wall.
1. A tobacco shredding and sorting device characterized in that a plurality of shredding rods each having a diameter of 1 cm are arranged in parallel, and a passage for upward airflow is formed with a gap of about 1 to 2.5 cm between each of the shredding rods. (2) The tobacco shredding sorting device according to claim 1, which is characterized in that a plurality of openings for inflowing outside air are formed in the rear wall of the lower part of the mounting portion of the unraveling rod.