JP2002300870A - Needle rack for drying leaf tobacco - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a needle rack for drying leaf tobaccos capable of uniformizing the flow rate of warm air among leaf tobaccos nipped on the needle rack and resultantly improving the balance of air flow rate of the interior of the whole drying chamber and not only improving the drying efficiency but also saving labor of leaf stuffing operation. SOLUTION: This needle rack 10 is obtained by displacing supporting petiolar parts Ta of the leaf toaccos T to at least one side of the needle rack 10, enabling the supporting petiolar parts Ta to be nipped and installing a supporting petiolar nipping body 14 having straightening belts 14c closing a gap between both a needle fixing frame 12 and a needle receiving frame 13 in the needle rack 10 for drying the leaf tobaccos comprising the needle fixing frame 12 having a plurality of needles 12b arranged side by side in a prescribed direction and fixed thereto and connected to the needle receiving frame 13 having recessed parts 13b for fitting and inserting tips of the needles 12b and designed to nip and hold the leaf tobaccos T between both the frames 12 and 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a needle rack for drying leaf tobacco, which is used for suspending leaf tobacco in a drying chamber and suspending the tobacco in the drying chamber.

[0002]

2. Description of the Related Art Conventional needle racks for drying tobacco (hereinafter, referred to as needle racks)
A needle rack) includes an upper needle fixing frame to which a plurality of needles are fixed, and a lower needle receiving frame in which the tips of the needles fit.
A leaf tobacco is sandwiched between these upper and lower frames, the leaves and the peduncles of the leaf tobacco are pierced and fixed with a needle, and both ends of both members are connected and fixed by a hook or the like.

[0003]

However, in the conventional needle rack as described above, a part or a plurality of leaf cigarettes are hung uniformly, for example, there is a part which is pinched while being excessively overlapped. Has been difficult. For this reason,
In the drying chamber, there is a problem that the amount of hot air flowing between the leaf tobacco becomes uneven and drying unevenness may occur. In addition, it is necessary to arrange leaf tobacco so as to be evenly weighted over the entire needle rack during leaf filling work,
This leveling operation was cumbersome and very troublesome. The present invention has been made in view of the above problems,
The purpose is to make it possible to equalize the amount of hot air flowing between the leaf tobacco sandwiched between the needle racks, thereby improving the air volume balance throughout the drying chamber and improving the drying efficiency. Another object of the present invention is to provide a leaf rack for drying a tobacco, which can save labor in the filling of leaves.

[0004]

According to the present invention, a needle fixing frame in which a plurality of needles are arranged and fixed in a predetermined direction is connected to a needle receiving frame into which the tip of the needle is inserted. In a leaf rack for drying a leaf tobacco, which is adapted to sandwich and hold the leaf tobacco between both frames, a stalk portion of the leaf tobacco is displaced and clamped at least to one side of the needle rack, and a rectification for closing a gap between the both frames. It is characterized in that a stalk holding body having a band is provided.

[0005] The needle rack is used by connecting a needle fixing frame and a needle receiving frame in a pair at the top and bottom. A plurality of needles are fixed to one frame of the needle fixing frame according to the size of the needle rack. In this case, the needles are fixed in a line in a predetermined direction (the longitudinal direction of the frame of the needle fixing frame). In the lower needle receiving frame,
A fitting groove is formed by bending at a predetermined position where the needle fits. In addition, the needle rack is provided with a strut holding member for holding the strut portion of the leaf cigarette to be deflected to at least one side, and the strut holding body is provided with a rectifying band for closing a gap between the upper and lower frames. .

When using the needle rack, first, a needle receiving frame is placed on a leaf stuffing table, and fresh leaves of leaf tobacco are spread over the needle receiving frame. Then, after laying the fresh leaves, the stalk portion of the leaf tobacco with the stalk holding body attached with the rectification zone,
After the needle rack is displaced and pinched at least to one side in the width direction of the needle rack, a needle fixing frame is attached, and a needle is inserted into a fresh leaf to connect and fix both frames with a hook (a hook type fastener or the like).

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below with reference to the embodiments shown in the drawings. The leaf rack for drying tobacco according to the present invention has rollers on both left and right sides, and the rollers are mounted on shelf rails in the drying chamber so that the needle rack is hung in the drying chamber. FIG. 1 is a sectional view showing an embodiment of a leaf tobacco drying apparatus, FIG. 2 is an exploded perspective view showing an embodiment of a needle rack according to the present invention, FIG. 3 is a side sectional view of the needle rack, and FIG. FIG. 5 is a side sectional view showing a state in which the rack is packed into leaves, FIG. 5 is a perspective view showing a method of packing leaves into the needle rack, FIG. 6 is an exploded perspective view showing another embodiment of the needle rack according to the present invention, and FIG. 8 is an exploded perspective view showing another embodiment of the needle rack according to the present invention, and FIG. 9 is a side sectional view showing a state where the needle rack is packed in the needle rack. FIG. 10 (a) is a plan view showing a needle receiving frame in another embodiment of the needle rack according to the present invention,
11B is a front view showing the same needle receiving frame, FIG. 11A is a plan view showing a needle fixing frame of the same needle rack, FIG. 11B is a front view showing the same needle fixing frame, and FIG. It is a perspective view which shows the use condition of.

FIG. 1 shows a drying apparatus for leaf tobacco. In the drawing, reference numeral 1 denotes a drying chamber, 2 denotes a hot air generating chamber, which is provided adjacently and integrally. They communicate with each other via a hot air inlet 4 provided at the lower part and a circulation port 5 provided at the upper part of the partition 3.

The hot air generating chamber 2 is provided with an intake fan 6 and a burner 8 using kerosene or heavy oil as fuel. The air sucked from the intake damper 7 is heated by the burner 8 and dried from the hot air inlet 4. It is configured to be supplied into the chamber 1. That is, when the intake fan 6 rotates, the outside air is drawn into the warm air generating chamber 2 from the suction damper 7 and the circulating air is drawn into the warm air generating chamber 2 from the circulating port 5, heated by the burner 8, and
Is sent down. On the other hand, a pair of left and right shelf rails 9 for mounting a needle rack 10 in which a large number of leaf tobacco T are sandwiched and fixed are provided on the side wall of the drying chamber 1 at a plurality of stages.

[0010] The warm air introduced into the drying chamber 1 from the warm air inlet 4 is blown upward through the ventilation plate 11 to remove the moisture of the leaf tobacco T, and is opened at the upper part of the partition wall 3. The air is returned to the warm air generation chamber 2 from the circulation port 5. Inside the drying chamber 1, a temperature sensor 21 and a humidity sensor 22 are provided, and a temperature and humidity control unit (not shown) controls the burner 8 and the fan 6 to set the temperature and humidity in the drying chamber to a suitable value. Is to be controlled. The shelf rail 9 is a long guard rail in the longitudinal direction of the drying chamber 1, and the needle rack 10 is slid on the shelf rail 9 and housed in the drying chamber 1.

[0011]

[Embodiment 1] As shown in FIGS.
The main parts of are the needle fixing frame (upper frame) 12 and the needle receiving frame (lower frame)
13 is a device for holding and fixing the leaf tobacco T from both upper and lower sides, and then hanging the leaf tobacco T in the drying chamber 1 to dry it.

A plurality of long holes 13a are formed in the needle receiving frame 13 of the needle rack 10 to improve the passage of warm air, and a concave groove 13b is formed on one side thereof by bending.
The needle locking rod 12a of the needle fixing frame 12 has the groove 1
The needle 12b made of special steel corresponding to 3b is attached by welding or the like, and the needle fixing frame 12 and the needle receiving frame 13 are connected or connected by a snap-type latch 23 provided on a side surface and an intermediate portion of the needle rack 10. Separation can be performed with one touch.

Between the needle fixing frame 12 and the needle receiving frame 13, there is provided a strut holding member 14. The support handle holding body 14 has a pair of long holding rods 14a at both ends thereof.
b, a pair of metal perforated plates 14c as a hot air rectifier connected to be openable and closable via a plurality of torsion coil springs 14d.
As shown in FIG. 4, the stalk portion Ta of the leaf tobacco T is moved into the needle fixing frame 12 and the needle receiving frame 13 as shown in FIG.
, Respectively. That is, in a state where both frames 12 and 13 are connected and fixed, the struts holding member 14 is positioned in the middle portion between both frames 12 and 13, and the struts Ta of the leaf tobacco T are displaced in both outward directions. It is supposed to be energized and sandwiched. Further, the leaf tobacco T may be either upper or lower as shown in FIG.

The specific configuration of the needle receiving frame 13 includes an elongated bottom plate 13c in which a plurality of long holes 13a and concave grooves 13b are formed in a row in the longitudinal direction, and a pair of standing plates provided at both ends of the bottom plate 13c. L-shaped side plate 13d.
The needle receiving frame 13 has a pair of left and right concave grooves 1 except for the slot 13a.
3b and the L-shaped side plate 13d alone. L
A vertical groove 26 is provided upright on the inner surface of one end of the shaped side plate 13d, so that both ends of the holding rod 14a of the support holding member 14 can be slidably fitted. Each L-shaped side plate 13d
On the outer surface of the fitting fitting portion 2 in addition to the latch 23 described above.
4 and a pair of upper and lower rollers 25 are additionally provided. The roller 25 can be mounted in a roller groove 19a of a guide rail 19 of the leaf stuffing table 15 described later.

A U-shaped tongue 27 whose lower end is elastically opened and closed is provided on both sides in the longitudinal direction of the needle locking rod 12a of the needle fixing frame 12.
Is provided, and the tongue piece 27 is fitted to the fitting locking portion 2 of the needle receiving frame 13.
4 can be detachably fitted from above. Then, while the tongue piece 27 is attached to the fitting and locking portion 24, the latch 23 is locked on the upper part of the tongue piece 27, so that the two frames 12,
13 can be connected.

When the leaf tobacco T is to be clamped by the needle rack 10 having the above construction, as shown in FIG. After laying down so as to be in an evenly overlapping manner in the entire direction and mounting the struts holding body 14, the leaves are further packed on the struts holding body 14 in the same manner as described above, and the needle fixing frame 12 is moved from above. The leaf tobacco T is attached to the needle 12b by connecting and fixing the frames 12 and 13 with the latch 23.
And the struts Ta are sandwiched and fixed between the frames 12 and 13 and the struts holding body 14. In this case, the leveling operation can be performed only by laying the leaf tobacco T on the needle rack 10, and the leaf stuffing operation can be saved.

The leaf stuffing table 15 on which the needle receiving frame 13 is placed is a flat U-shaped outer base frame 16 having an open front end, legs (not shown) for supporting the outer base frame 16, and the outer base frame 16. Grid-shaped rectangular table frame 1 provided
It consists of seven. The left and right side surfaces of the table frame 17 have their middle portions pivotally connected to the outer base frame 16 via horizontal pins 18. The table frame 17 can be turned forward by about 90 degrees or more by releasing a stopper (not shown).

A pair of left and right reversible guide rails 19 are provided vertically on both sides of the rear portion of the table frame 17, and a leaf backing plate 20 is provided upright at the rear end of the table frame 17. The horizontal cross-sectional shape of the guide rail 19 is formed in a U-shape with an open rear, and a roller groove 19a is provided.
When the guide rail 19 is turned forward together with the table frame 17, it can be connected to the shelf rail 9 on the drying room side via a suspension rail (not shown).

Next, a method of drying leaf tobacco using the needle rack 10 will be described. As shown in FIG. 1, both ends of a needle rack 10 holding leaf tobacco T are placed on a shelf rail 9 and disposed inside the drying chamber 1. The method of sandwiching the leaf tobacco T between the needle racks 10 is as shown in FIG.

As described above, the leaf tobacco T is placed in the drying chamber 1.
When it is accommodated in the burner, the burner 8 is burned and the fan 6 is rotated. Then, the air inhaled from the outside is heated and sent below the ventilation plate 11, blows upward through the ventilation plate 11, and dries the leaf tobacco T sandwiched between the needle racks 10. In this case, the warm air blown up from below passes through the warm air flow straightening body (metallic perforated plate) 14c of the needle rack 10 while passing through it while receiving moderate resistance, and blows upward. It is possible to equalize the amount of hot air flow between the two. For this reason, the balance of the air volume in the entire drying chamber is improved, the drying efficiency is improved, and undried can be prevented.
In addition, warm air sufficiently touches the stalk Ta of the leaf tobacco T to promote drying.

[0021]

Embodiment 2 The present invention is not limited to the above embodiment.
For example, FIG. 6 and FIG. 7 show another embodiment of the handle holding member 28, in which a flexible metal perforated plate 28b is attached to a holding rod 28a, and the lower part thereof is curved. In this state, both ends of the holding rod 28a are slidably fitted into the fitting vertical grooves 26, and the holding rod 28a is urged upward by a plurality of torsion coil springs 14d. That is, the leaf tobacco T can be clamped and fixed in a state where it is deflected to only one side (upper side).

[0022]

[Embodiment 3] FIGS. 8 and 9 show a combination of a pair of holding frames 29 formed by bending a metal perforated plate into a U-shaped cross section and having different mouth widths so as to be slidable up and down. As shown in FIG. 9A, the leaf tobacco T is deflected to only one side of the needle rack 10 and clamped, as shown in FIG.
As shown in (b), the leaf tobacco T can be sandwiched between both sides of the needle rack 10.

[0023]

[Embodiment 4] FIGS. 10 to 12 show a strut holding body 30 in which a wire mesh 30b as a hot air rectification zone is sandwiched between a pair of holding rods 30a. It is sandwiched between. Specifically, the holding rod 3 having the wire netting 30b attached between the needle fixing frame 12 and the needle receiving frame 13
Plural torsion coil springs 14 for urging each other 0a outwardly
The support portion Ta of the leaf tobacco T is sandwiched between the needle fixing frame 12 and the needle receiving frame 13, respectively. That is, as shown in FIG. 12, in a state where both frames 12 and 13 are connected and fixed, the strut holding body 30 is located at an intermediate portion between both frames 12 and 13, and the strut portion of the leaf tobacco T is directed outward in both directions. Ta is biased in a deviated state and is sandwiched.

[0024]

As described above, by using the needle racks of the above embodiments according to the present invention, the leaf tobacco is not held in an excessively overlapping state, and the hot air is evenly distributed between the leaf tobaccos in the drying room. Can be distributed. As a result, it is possible to equalize the amount of hot air flowing between the leaf tobaccos, thereby improving the air volume balance in the entire drying chamber, improving the drying efficiency, and preventing undried leaf tobacco. There is an excellent effect that can be. In addition, there is an excellent effect that the leveling operation of the leaf tobacco in the leaf stuffing operation can be simplified and the labor of the leaf stuffing operation can be reduced.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a leaf tobacco drying apparatus.

FIG. 2 is an exploded perspective view showing one embodiment of the needle rack according to the present invention.

FIG. 3 is a side sectional view of the needle rack.

FIG. 4 is a side sectional view showing a state in which the needle rack is packed with leaves.

FIG. 5 is a perspective view showing a method of filling leaves into a needle rack.

FIG. 6 is an exploded perspective view showing another embodiment of the needle rack according to the present invention.

FIG. 7 is a side sectional view showing a state where the needle rack is packed with leaves.

FIG. 8 is an exploded perspective view showing another embodiment of the needle rack according to the present invention.

FIG. 9 is a side sectional view showing a state where the needle rack is packed with leaves.

10A is a plan view showing a needle receiving frame in another embodiment of the needle rack according to the present invention, and FIG. 10B is a front view showing the needle receiving frame.

11A is a plan view showing a needle fixing frame of the needle rack, and FIG. 11B is a front view showing the needle fixing frame.

FIG. 12 is a perspective view showing a use state of the needle rack.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Drying room 2 Hot air generation room 3 Partition wall 4 Hot air introduction port 5 Circulation port 6 Intake fan 7 Intake damper 8 Burner 9 Shelf rail 10 Needle rack 11 Ventilation plate 12 Needle fixing rod 13 Needle receiving frame 13a slot 13b concave groove 13c Bottom plate 13dL-shaped side plate 14 Strain holding body 14a Holding rod 14b Support shaft 14c Metal perforated plate (warm air rectification zone) 14d torsion coil spring 15 Leaf stuffing stand 16 Outer base frame 17 Table frame 18 Horizontal pin 19 Inverting guide rail 20 Leaf backing plate 21 Temperature sensor 22 Humidity sensor 23 Latch 24 Fitting / locking part 25 Roller 26 Vertical groove 27 Tongue piece 28 Support handle holding body 28a Holding rod 28b Metal perforated plate (hot air rectification zone) 29 Holding frame 30 Support Handle holding body 30a Holding rod 30b Wire mesh T Leaf tobacco (fresh leaf) Ta Leaf tobacco support

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4B043 AA16 AA17 AA20

Claims (3)

[Claims] 1. A needle fixing frame in which a plurality of needles are arranged in a fixed direction and fixed, and a needle receiving frame into which a tip of the needle is inserted is connected to hold a leaf tobacco between these two frames. In the leaf tobacco drying needle rack, the leaf tobacco strut portion is displaced and clamped at least to one side of the needle rack, and a strut clamp body having a rectifying band for closing a gap between the two frames is provided. A needle rack for drying tobacco leaves, characterized in that: 2. The needle rack for drying leaf tobacco according to claim 1, wherein the rectification zone is a metal perforated plate. 3. The needle rack for drying leaf tobacco according to claim 1, wherein the straightening zone is a wire mesh.