JPH1156332A - Automatic tobacco leaf stringing machine for continuous double strands - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an automatic tobacco leaf stringing machine that uses continuous strings and can continuously perform a series of operations from arranging tobacco leaves to knitting thereof. SOLUTION: This tobacco leaves-stringing machine is equipped with the bed A on which tobacco leaves are places, the tobacco leaves stringing machine C and the automatic tobacco leaf feeder B that sucks a tobacco leaf T placed on the bed A and feeds the leaf to be sucked to the tobacco leave-stringing machine C. In a preferred embodiment, the tobacco leaves-stringing machine C has the continuous string feeding member (continuous string reel 60) equipped with a braking means that can control the twisting strength after the leave knitting, the twisting part 70 that twists again the strings divided into two and the tobacco leaves-conveying bar for conveying the tobacco leaves fed to the twisting part 70.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic leaf knitting machine for a continuous rope, and more particularly to an automatic leaf knitting machine for a continuous rope capable of continuously knitting leaf cigarettes using a continuous rope.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. 8-322536 discloses an apparatus for continuously performing a series of operations from the supply of leaf tobacco to the knitting. In this apparatus, leaf tobacco is adsorbed and separated one by one by leaf tobacco adsorbing means from a plurality of leaf tobacco placed on a leaf tobacco mounting table, and the adsorbed and separated leaf tobacco is gripped at the base. It is inserted into a twisted portion formed by two strings, where leaf knitting is performed. The leaf-knitted tobacco is discharged downstream by a leaf feed bar.

[0003]

The above-mentioned Japanese Patent Application Laid-Open No. 8-322
The continuous leaf tobacco knitting apparatus disclosed in Japanese Patent Publication No. 536 can continuously and automatically perform a series of operations from setting to weaving of the tobacco into the apparatus, and is extremely effective in saving labor in the leaf knitting operation. However, the braiding is based on the premise that two long continuous strings are twisted and used at the time of braiding, and it is necessary to prepare a special braided string, and one for each string to be used. It is difficult to ensure a uniform tension, so that one-sided twisting may occur, which may cause falling leaves during drying. In addition, there is a risk that parts that do not match with the work flow of knitting with a conventional continuous rope and hanging it in a drying facility and performing the drying process tend to occur, which may cause confusion in the work. there were.

[0004] Further, since the above-mentioned apparatus does not have a special means for detecting whether or not leaf tobacco is supplied to the twisted portion formed by the two strings, when the insertion of the leaf tobacco occurs, the apparatus is quickly operated. Was difficult to deal with.

[0005] An object of the present invention is to meet the above-mentioned demands, and it is an object of the present invention to cope with a work flow in a case where leaf knitting is performed using a conventional continuous rope and a drying process is performed, and sufficient consistency with a work flow can be ensured. An object of the present invention is to provide an automatic leaf knitting machine. Another object of the present invention is to provide an automatic rope knitting machine that is capable of promptly coping with a mistake in the supply of leaf tobacco.

[0006]

In order to solve the above-mentioned problems, the present invention adsorbs a leaf tobacco placing table, a leaf tobacco braiding device, and a leaf tobacco placed on the leaf tobacco placing table. An automatic leaf tobacco supply device for supplying leaf tobacco to the knitting portion of the leaf tobacco knitting device, and the leaf tobacco knitting device twists the continuous rope feeding member and the two-part connected rope again. It has a twist part and a leaf feed bar for feeding the leaf tobacco supplied to the twist part, and the leaf tobacco supplied from the automatic leaf tobacco feeding device has its leaf part inserted into the twist part. And a knitted leaf tobacco which is discharged by the leaf feed bar.

In the automatic rope knitting machine of the present invention, the knitting by the conventionally used rope and the working mode in the drying room can be directly followed, and a series of operations from leaf knitting to drying can be performed. It can be performed stably. In addition, the lanyard can be used repeatedly, and the processing cost is reduced. Preferably, a member having appropriate braking means for adjusting the tension applied to the connecting line is used as the connecting line sending member. This makes it possible to appropriately adjust the strength of twist after weaving, and it is possible to reliably avoid falling leaves during drying.

[0008] In a preferred aspect, the torsion portion has a leaf feeding confirmation sensor for detecting that a leaf base of a leaf tobacco is inserted into an arc-shaped torsion arm portion. This makes it possible to promptly take measures such as stopping the operation of the apparatus when a supply error of leaf tobacco occurs.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an automatic leaf knitting machine according to the present invention; FIG. 1 is a perspective view showing one embodiment of an automatic leaf knitting machine for continuous rope according to the present invention. The automatic rope knitting machine of this type comprises a leaf tobacco placing table A, an automatic leaf tobacco feeding apparatus B, and a leaf tobacco knitting apparatus C. As an additional configuration, a conveyor D for carrying out a leaf-knitted row is provided.
Having. This apparatus is basically the same as the above-mentioned JP-A-8-322536 except for the structure of the leaf tobacco weaving apparatus C.
This is the same as that described in Japanese Unexamined Patent Application Publication No. HEI 9-86.

[0010] The leaf tobacco mounting table A may be any conventionally known one.
The one having the same function as that described in Japanese Patent Publication No. 36 is used. That is, the rotating frame 1 that is rotatable 180 ° with respect to the machine casing 11 via a thrust bearing (not shown).
2, two leaf tobacco supports 1 at both ends.
3 and 13 can be placed. Leaf tobacco support 13
Has an L-shaped base 14, and an upper base 15 hinged to the upper end of the base 14, and the upper base 15 has a size and a shape on which the leaf tobacco T can be placed. Guide members 16 for guiding the tobacco are provided on the leaf tobacco mounting surface of the upper base 15 in such a manner that the intervals thereof can be adjusted. Two leaf tobacco support 13
Are arranged symmetrically with respect to the center of rotation of the rotating frame 12, and leaf guide plates 17, 17 are provided near the positions of the respective leaf tobacco support bases 13 opposite to the hinge joints. Is erected. The leaf guide plates 17, 17 rotate together with the leaf tobacco support 13.

As shown in FIG. 1, the leaf tobacco support table 13 which is located on the leaf tobacco automatic feeding apparatus B side has a leaf tobacco mounting table A.
Is a lift arm (not shown) attached to the machine frame 11
As described later, the leaf tobacco T is adsorbed one by one at an ascending position by an automatic leaf tobacco feeding apparatus B described later. At that time,
5 is a leaf tobacco T positioned at the uppermost position by an appropriate means (not shown) such as a spring or mechanical means.
The inclination is gradually changed so as to always take a substantially horizontal attitude (the details of this mechanism are described in the above-mentioned Japanese Patent Application Laid-Open No. 8-322536).

An automatic leaf tobacco supply device B is arranged above the leaf tobacco placing table A. This leaf tobacco automatic feeder B
May be any conventionally known one. In this example, the one having the same function as that described in Japanese Patent Application Laid-Open No. 8-322536 is used. That is, the automatic tobacco leaf feeding apparatus B is attached to the machine frame 11 so as to be vertically movable along an imaginary vertical line passing through a substantially central position of the leaf tobacco support base 13 located on the side of the leaf feeding apparatus B. Body 4
1; a suction blower 42 for generating a negative pressure at the tip of the adsorbent 41; and a leaf tobacco adsorbing means comprising a flexible tube 43 connecting the suction side of the suction blower 42 and the adsorbent 41; And a transfer arm 50 for holding the ascending leaf tobacco T which is vacuum-adsorbed by the adsorbent 41 and transferring the leaf tobacco T to the leaf tobacco weaving device C.

The transfer arm 50 has two flat plate-like grippers for holding and gripping the leaf tobacco T that is being sucked and rising at the tip end side and near the rising position of the suction body 41. Claws 51, 51 are attached.

The adsorbent 41 and the transfer arm 50 operate as follows by a drive mechanism (not shown). That is, the adsorbent 41 descends to the uppermost leaf tobacco position on the leaf tobacco support base 13 by a vertical movement mechanism (not shown), and adsorbs the uppermost leaf tobacco T by the negative pressure generated at the tip. After the adsorption, the adsorbent 41 rises,
At the time of reaching the rising position, the gripping claws 51, 51 which are in the horizontally opened state are closed, and at the same time, the adsorbent 4
The negative pressure at one end is eliminated. In this state, the transfer arm 50 is rotated by approximately 90 degrees to transfer the leaf tobacco T to the twisted portion of the leaf tobacco weaving apparatus C described later, and releases the gripping states of the gripping claws 51, 51 there. A detailed mechanism is described in JP-A-8-322536). In FIG. 1, reference numeral 50a denotes an arc-shaped guard member arranged in the vicinity of the rotation radius of the transfer arm 50 to ensure the safety of the worker.

The leaf tobacco weaving device C basically has a continuous rope feeding member and a twist portion. The tether feed member preferably has braking means. The braking means is provided for controlling the tension of the connecting line and adjusting the strength of twist after twisting between the connecting line feeding member and the twisted portion. In the embodiment shown in FIGS. 1 and 2, a connecting line reel 60 having a braking mechanism (not shown) is used as the connecting line feeding member, and a number of connecting lines 61 in a state where end portions are connected to each other are wound around the connecting line reel 60. In. The connecting line reel 60 has a support arm 63 at a rear end surface of a hollow shaft 62 attached to a rear end of a drive mechanism accommodating box 11a attached to the machine frame 11 through a drive mechanism (not shown) so as to be rotatable in both forward and reverse directions. Are mounted so that their axes are orthogonal to each other. In addition, 64a and 64b are support shaft members that rotatably support the hollow shaft 62, and 65 is a chain that transmits power to the hollow shaft 62.

A long rope reel 6 that is appropriately braked
The guide rope 66 attached to the upper surface of the drive mechanism accommodating box 11a and the connecting end detection sensor 6 described later are drawn out forward through the hollow shaft 62.
7, and is delivered to the twisted portion 70 located at the front end of the drive mechanism housing box 11a. The torsion part 70 is connected to the two
This is a method in which a knitted cord of a book is divided into two parts and expanded, and the base of the leaf tobacco T is woven into the expanded part. The basic configuration is already known.

FIGS. 4A and 4B show different examples of the connection end detection sensor 67. FIG. In FIG. 4A, a base 68 attached to the upper surface of the drive mechanism housing box 11a has a U-shaped base 69a having substantially the same width as the width of the connecting line 61 and an upstream end at the upper end of the U-shaped base 69a. The rotating member 69 including the large-diameter portion 69b connected in a state inclined to the side
7b so as to be rotatable while being urged to the upstream side. When the knot 61a (FIG. 2) of the connecting line 61 abuts on the U-shaped base 69a, the rotating member 69 is formed.
Falls downstream, which generates the required signal,
After the fall, the knot 61a passes through the enlarged diameter portion 69b, so that the rotating member 69 is returned to the original position by the spring 67b. FIG. 4B shows another example, in which the U-shaped base 69 is used.
The tip of a is also upwardly expanded in an inverted C-shape while also being inclined upstream. This operation is the same as that of FIG.

In this example, the torsion part 70 has a torsion tube 72 rotatably supported by supports 71a and 71b erected on the upper surface of the drive mechanism housing box 11a.
Is driven intermittently via a chain 73 by a drive mechanism (not shown). At the tip of the torsion tube 72, two torsion arms 74 a and 74 b having a U-shaped cross section are provided.
Are mounted symmetrically with respect to the axis of rotation of the torsional arm, and a pin 75 is mounted at the root of the twisted arms 74a, 74b. The two arc-shaped twisted arms 74a and 74b are
The intermittent drive mechanism (not shown) stops the vehicle in the vertical plane as shown in FIG.
The rotation of the chain 73 or 360 °
Given by

A twisted arm 74a stopped in a vertical plane,
The holding springs 76a, 76b
Is arranged. In this example, the upper holding spring 76a is
The support rod 77a attached to the front support 71b is attached with its tip directed downward, and the lower holding spring 76b is attached to the support rod 77b attached to the front of the drive mechanism housing box 11a. It is attached with its tip facing upward. The top ends of the upper and lower holding springs 76a and 76b are substantially in contact with each other in the movement locus of the connecting rope 61.

Two twisted arms 7 stopped in a vertical plane
4a, 74b, a leaf feed bar 78 including U-shaped branch portions 78a, 78b sandwiching both sides of the drive mechanism housing box 1 is provided.
It is rotatably supported at a pivot point 80 on the front end face side of 1a. One end of a sliding rod 81 that reciprocates by a driving mechanism (not shown) is fixed to a position above the pivot point 80 on the base 79, and the movement of the sliding rod 81 causes the leaf feed bar 78 to move into a solid line. Retraction position, indicated by
That is, the position close to the torsion bar 72 and the forward position indicated by the imaginary line, that is, the pressing springs 76a, 7
6b reciprocates between and near the position where the tip of 6b is in contact. Further, a leaf alignment plate 82 for positioning the base of the leaf tobacco T is attached to a branch portion 78b located on the rear side in the insertion direction of the leaf tobacco T in the leaf feed bar 78.

A frame 83 (FIG. 2) is fixedly mounted on the rear side of the rotation locus of the torsion arm 74. Both ends of the support arm 84 attached to the front end of the frame 83 have the above-mentioned arc-shaped torsion. A transmitting unit 85a and a receiving unit 85b of a leaf feeding confirmation sensor 85 for detecting the leaf base of the leaf tobacco T inserted into the forearm 74
Is provided. In the automatic rope knitting machine corresponding to the continuous rope, the leaf feed bar 78 and the twisted arm 74 are actuated by a leaf feed signal from the leaf feed confirmation sensor 85. Although not shown, it is preferable that the exhaust port of the suction blower 42 is positioned near the receiving portion 85b of the leaf feeding confirmation sensor 85 so as to blow off dust and the like falling on the receiving portion 85b. In addition, it is possible to prevent the sensitivity of the leaf feeding confirmation sensor 85 from decreasing.

On the side of the leaf tobacco weaving apparatus C, there is arranged a conveyor D for carrying out a leaf tobacco train in which leaf tobacco T is woven. In this embodiment, the conveyor D is an endless belt-shaped transport belt 90. Further, a housing frame 91 is arranged downstream of the conveyor D, and a harvest cloth 92 is set there.

Next, the operation of this device will be described.
As described above, the long rope 61 wound on the long reel 60
Is pulled out forward through the hollow shaft 62, and is passed through the guide roller 66 and the continuous end detection sensor 67.
Through. After the passage, the portion where the hanging allowance is pulled out from the end of the connecting rope 61 is divided into two at the location of the pin 75, and each of the two arc-shaped twisted arms 74a stopped in the vertical plane, It moves along the U-shaped groove of 74b, and is again sandwiched together at the front end contact portions of the pressing springs 76a, 76b. The shape of the twisted arms 74a and 74b is an arc shape, and the twist of the pre-twisted continuous rope can be divided using the pin 75 as a base point and can be easily spread. Further, since the cross section is U-shaped and the whole is arc-shaped, the transfer of the connecting rope is also smooth.

Next, the leaf tobacco support 13 on which the leaf tobacco T is placed is raised to a predetermined position as shown in FIG. 1, and the suction blower 42 is operated. As a result, a negative pressure is generated at the tip of the adsorbent 41, and when the adsorbent 41 is lowered, the topmost leaf tobacco T is vacuum-adsorbed to the tip. After the suction, the suction body 41 is raised, and when reaching the raised position, the gripping claws 51, 5 which are open horizontally.
1 is closed, and the generation of negative pressure at the tip of the adsorbent 41 is stopped by an appropriate shutoff means. Thereby, the leaf tobacco T is moved from the adsorbent 41 to the transfer arm 50 side in a state where the base of the leaf is held between the grip claws 51, 51. In this state, the transfer arm 50 is rotated substantially 90 degrees.

The rotation of the transfer arm 50 causes the leaf tobacco T
Are the two torsion arms 74 which are transported 90 ° in the horizontal direction in a posture in which the lobe side is advanced, and are stopped in the vertical plane.
The leaf base portion passes through a substantially central position (twisted portion) of the space between a and 74b, and abuts against the leaf alignment plate 82. At the same time, the leaf feeding confirmation sensor 85 detects that the leaf base has entered the twisted portion. At that position, the gripping claws 51, 51
At the same time as the gripping of the leaf feeding confirmation sensor 85 is released.
, The leaf feed bar 78 moves from the retracted position to the advanced position. As a result, the leaf tobacco T located in the space between the two twisted arms 74a and 74b is sent forward, and is pressed into the twisted portion of the connecting rope 61 which is held down at its tip by the holding springs 76a and 76b. You.

At the same time as the press-fitting, the torsion tube 72 rotates,
The two twisted arms 74a and 74b are rotated 180 degrees, and after rotating, stop at the original position. After stopping, the leaf feed bar 78 moves back to the original position. 18 of the two twisted arms 74a, 74b
By the rotation of 0 degree, the base of the leaf of the tobacco T is woven and held by twisting the two strings of the continuous rope 61. In addition, even if the rotation angle of the two twisted arms 74a and 74b is 360 degrees, weaving of a leaf tobacco is possible.

When the gripping claws 51 are released and gripping of the leaf tobacco T is completed, the transfer arm 50 is moved approximately 90 degrees in the reverse direction.
Rotate to return to the original position. Meanwhile, the adsorbent 41
Is lowered again so that the next leaf tobacco T is adsorbed to the tip. At the same time that the transfer arm 50 returns to the original position, the adsorbent 41 is attached to the adsorbed leaf tobacco T.
Rise with. Hereinafter, the same operation is repeated, and
One is sent out progressively forward. A large number of continuous ropes 61 are wound around the continuous rope reel 60, and when a series of leaf knitting is completed, the knot 61a (FIG. 2).
Reaches the vicinity of the connection end detection sensor 67 described above. As described above, when the knot 61a comes into contact with the continuous end detection sensor 67, a signal (may be a buzzer or a lamp lighting) notifying the worker of the end of the knitting for a series is output. The operator turns the twisted arms 74a and 74b about four or five times with the feeding of the leaf tobacco T stopped, and then pulls out the twisted portion to untie the knot 61a. By the control mechanism, the knot 61a by the connection end detection sensor 67
The feeding of the tobacco and leaf tobacco T is stopped and the torsion arms 74a, 74
The idle rotation of b may be linked, and after the idle rotation, a signal notifying the end of a series of knitting may be output.

A series of leaf tobacco T is conveyed to the downstream side by the conveyor 90, and the harvested cloth 92 set in the accommodation frame 91.
Fall on. The operator sets the next connecting line 61 in the same manner on the two twisted arms 74a and 74b, and thereafter repeats the same operation. For each series or when a required number of reams drop, the worker rolls the harvest cloth 92 and carries out the reams to a drying room or the like.

In the above apparatus, if the leaf tobacco T is not inserted into the space between the twisted portions, that is, the two twisted arms 74a and 74b stopped in the vertical plane, due to some supply error, the leaf feeding is performed. The bar 78 and the twisted arm 74 are set to be inactive to prevent the occurrence of a blank knit. At that time, the leaf feeding part (that is, the adsorbed leaf tobacco T
May be simultaneously stopped to supply the tobacco to the knitting part of the tobacco weaving apparatus C, but as another method, the leaf feeding confirmation sensor 85 detects the insertion of the tobacco T twice in succession. If not, that is,
The control may be performed so as to stop the operation of the leaf feeding unit when a supply error occurs twice consecutively. The reason is,
This is because, in most cases, after the first mistake, the leaf tobacco T to be supplied next can be knitted without being affected by the first mistake. After stopping the operation of the leaf feeding unit, the operator removes the cause of the error in the device and starts again.

In the apparatus of the present invention, when necessary, the operator rotates the hollow shaft 62 in the forward direction or the reverse direction, and rotates the connecting line reel 60 several times in either direction. 61 can be twisted and twisted. The judgment may be made by the eyes of the worker,
A sensor (not shown) for detecting the resistance of the pin 75 provided in the twisted portion may be attached, and the detection may be performed based on the strength signal.

In the above description, an embodiment in which a continuous rope reel 60 having a braking mechanism is used as the continuous rope sending member, and a number of continuous ropes 61 with their ends connected to each other is used. However, as shown in FIG. 5, a box 95 placed on the ground accommodates a large number of continuous ropes 61 in a state where the ends are tied together, and the continuous rope 61 taken out therefrom has a braking mechanism. The same result can be obtained by winding the hollow shaft 62 after winding once or twice around the appropriate roll member 60b. In this case, the weight of the roll member 60b can be reduced, and the rotation mechanism can be simplified. In FIG. 5, reference numeral 60c denotes a guide having a ring-shaped member at the end for guiding the connecting rope 61.

[0032]

According to the present invention having the above-mentioned structure, the work from placing to weaving of leaf tobacco can be automatically performed by using a conventional connecting line, and the conventional work method and facility can be changed. In addition, it is possible to perform the processing up to leaf tobacco drying. Also, by attaching a leaf feeding confirmation sensor,
The operator can perform other accompanying work without causing any trouble in the leaf knitting work and in parallel.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an automatic leaf knitting machine compatible with a long rope according to the present invention.

FIG. 2 is an enlarged side view showing a leaf tobacco weaving device part.

FIG. 3 is an enlarged side view showing a twisted portion.

FIG. 4 is a perspective view illustrating a continuous end detection sensor.

FIG. 5 is a view for explaining another feeding mode of the connecting rope.

[Explanation of symbols]

A: leaf tobacco mounting table, B: leaf tobacco automatic feeder, C ...
Leaf tobacco weaving device, D ... Leaf tobacco continuous conveyor
T: leaf tobacco, 13: leaf tobacco support, 41: adsorbent,
Reference numeral 50 denotes a transfer arm, 51 denotes a gripping claw, 60 denotes a connecting line reel as an example of a connecting line sending member, 60b denotes a roll member as an example of a connecting line sending member, 61 denotes a connecting line, 61a denotes a knot,
67 ... continuous end detection sensor, 70 ... twisted part, 74 ... twisted arm,
75 ... pin, 78 ... leaf feed bar, 85 ... leaf feeding confirmation sensor

Claims (3)

[Claims] 1. A leaf tobacco mounting table, a leaf tobacco braiding device, and a leaf tobacco automatic supply for adsorbing leaf tobacco placed on the leaf tobacco mounting table and supplying the adsorbed leaf tobacco to a braiding section of the leaf tobacco braiding device. And a device for knitting the tobacco, wherein the tobacco weaving device comprises a continuous-line feeding member, a torsion unit for re-twisting the two-part continuous line, and a leaf tobacco supplied to the torsion unit. The leaf tobacco supplied from the leaf tobacco automatic supply device has its base inserted into the twisted portion, and the woven leaf tobacco is discharged by the leaf torsion bar. An automatic leaf knitting machine compatible with a long rope. 2. The connecting line according to claim 1, wherein the twisting portion has a pin for dividing the connecting line into two, and an arc-shaped twisting arm located downstream of the pin. Compatible automatic leaf knitting machine. 3. The ream according to claim 2, wherein the torsion portion includes a leaf feeding confirmation sensor for detecting a leaf base of the leaf tobacco inserted through the arcuate torsion arm portion. Automatic leaf knitting machine for rope.