JP3030590U - Leaf tobacco packing equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a leaf tobacco packing device capable of shortening pressurizing time and improving packing workability and productivity. SOLUTION: A box having an open top for containing a large number of dried leaf tobacco, a holding lid for holding the leaf tobacco contained in the box, and a squeezing machine for squeezing the leaf tobacco contained in the box from the surface through the holding lid. In a leaf tobacco packing apparatus having a machine, the squeezing machine has a drive rod provided with a pressure member, a drive unit for raising and lowering the pressure member with respect to the box, and raising and lowering of the pressure member. It comprises means having a controller for controlling the descending speed so that the ascending speed of the pressing member is higher than the descending speed.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leaf tobacco packing device that squeezes dried leaf tobacco, and more particularly to a leaf tobacco packing device that packs a large number of dry leaf tobaccos for packing and squeezes them.

[0002]

[Prior art]

 Conventionally, as a leaf tobacco packing device, a box with an open top for storing a large number of dried leaf tobacco, a holding lid for holding the leaf tobacco contained in the box, and a holding lid for the tobacco contained in the box are provided through the lid. A structure having a squeezing machine that squeezes from the surface is used. This leaf tobacco packing device stacks a predetermined amount of dried leaf tobacco from the top opening of the box in a stacked manner, places a pressing lid on the top surface of the leaf tobacco, and then pressurizes it with a squeezing machine to obtain a predetermined height. , A compact leaf tobacco block with a weight (usually, height: 50 cm, weight: about 40 kg) is formed, and the block is packed into bags for shipping.

By the way, in order to form the above-mentioned compact leaf tobacco block by using this leaf tobacco packing device, a work of stacking dry leaf tobacco in a box and pressurizing the leaf tobacco with a squeezing machine is performed in a few steps. It needs to be repeated. Here, the squeezing / pressurizing operation is performed when stacking leaf tobacco in a box and pressurizing it. When a pressure of 5t to 2.0t is required and a small motor of about 200w is used, its pressurizing speed must be slowed down and its descending speed must be about 1m / min. Then, the compressed leaf tobacco is taken out and packed into a bag. Immediately after the compression, the leaf tobacco has a restoring force, so that the pressing lid placed on the leaf tobacco is fixed and the compressed state is changed. After stabilizing, the tobacco is taken out of the box, packed into bags, weighed, and the weight is adjusted. Usually, one work place carries out about 20 to 30 such packings a day.

[0004]

[Problems to be solved by the device]

 However, the above-mentioned leaf tobacco packing device has the following problems. That is, it is necessary to repeat the leaf tobacco stacking operation and the leaf tobacco pressing operation a plurality of times in order to make the leaf tobacco a predetermined height and weight in a compact form. In particular, the pressing operation takes time. Therefore, the work efficiency is poor. It is necessary to weigh whether or not the weight of a compacted leaf cigarette has a predetermined amount, but it is usually done after bagging, so if there is an excess or deficiency in the weight, it takes time to adjust it and workability is improved. Is reduced. There are issues such as.

Therefore, the present inventor has conducted various studies and tests in view of such problems, and as a result, when compressing leaf tobacco, the rise time (return time) of the pressurizing member and the fall time (pressurizing time) ) It has been clarified that workability and productivity can be improved by providing a mechanism for measuring the amount of leaf tobacco at the same time as packaging the tobacco in a shorter period.

The present invention has been made in response to the above-mentioned problems, and the purpose thereof is to reduce the pressurizing time and improve the workability and productivity of packaging. To provide a cigarette packing device.

[0007]

[Means for Solving the Problems]

 The leaf tobacco packing apparatus according to claim 1 of the present invention as a means for achieving the above object comprises a box having an open upper part for storing a large number of dried leaf tobaccos, and a holding lid for holding the leaf tobaccos put in the box. , And a leaf tobacco packing apparatus having a squeezing machine for squeezing the leaf tobacco contained in the box from the surface through a pressing lid, the squeezing machine having a driving rod provided with a pressing member and the pressing member. It has a drive unit for raising and lowering with respect to the box, and a control unit for controlling the raising and lowering speed of the pressing member so that the raising speed of the pressing member is faster than the lowering speed. To do.

A leaf tobacco packing apparatus according to a second aspect is the packing apparatus according to the first aspect, wherein the drive section has a forward / reverse rotation motor, the control section has an inverter and an inverter control circuit, and The feature is that the forward rotation speed and the reverse rotation speed of the forward / reverse rotation motor are controlled at a variable speed. A leaf tobacco packing device according to claim 3 is the packing device according to claim 1 or 2, wherein the pressing machine and the box are separable from each other, and a caster is provided below a bottom of the box. At least one side surface of the box has an opening / closing door that opens / closes in a horizontal direction, and the opening / closing door has a small opening / closing door that opens and closes in a vertical direction with a central portion of the opening / closing door as a pivot. . The leaf tobacco packing device according to claim 4 is the packing device according to any one of claims 1 to 3, wherein one or a plurality of presser lid fixing means are provided in which the pressing lid fixing rods are inserted into opposite side surfaces of the box. It is characterized by having holes for use.

A leaf tobacco packing apparatus according to a fifth aspect is the packing apparatus according to any one of the first to fourth aspects, wherein the box is provided with a weighing device for measuring the weight of the leaf tobacco. According to a sixth aspect of the present invention, there is provided the leaf tobacco packaging device according to the fifth aspect, wherein the weighing device is a pressure sensor. According to a seventh aspect of the present invention, there is provided the leaf tobacco packaging device according to the fifth aspect, wherein the weighing device is a load cell. According to an eighth aspect of the present invention, there is provided the leaf cigarette packing apparatus according to the fifth aspect, wherein the weighing device is a mechanical spring scale.

The leaf tobacco packing device of the present invention firstly stacks the leaf tobacco from the top opening of a box having an upper portion into which a large number of dried leaf tobaccos are opened, or opens the opening / closing door of the box to open the leaf tobacco. After stacking and closing the opening / closing door, a pressing lid is placed on the upper surface of the leaf tobacco, and the pressing member of the squeezing machine is positioned above the box. Next, the pressing machine is driven, the pressing member is lowered at a required speed to press and squeeze the leaf tobacco to a predetermined thickness, and then the direction of the pressing member is reversed to move upward. Then, the leaf tobacco stacking and pressing operations are repeated until the amount of the pressed leaf tobacco is indicated by a weighing device such as a load cell provided in the box (a predetermined weight). Here, a drive unit that raises and lowers the pressure member of the compressor controls the rise and fall speeds of the pressure member, and an inverter (inverter that makes the rise speed of the pressure member faster than the lower speed). Since it is controlled by a control unit such as an inverter circuit), the rising time of the pressing member can be shortened as compared with the falling time for pressing and squeezing. Then, after confirming that the amount of the leaf tobacco has reached a predetermined amount, insert a holding lid fixing rod into one or a plurality of holding lid fixing holes formed on the opposite side surfaces of the box. Then, the pressing lid is fixed so that the leaf tobacco compressed in the box does not rise, and when the compressed state of the leaf cigarette is stable, open the door of the leaf cigarette and open the door of the box to make the leaf tobacco compact. The packaging work is completed by taking out the product and packing it in a bag.

[0011]

[Effect of device]

 According to the leaf tobacco packing apparatus of claim 1 of the present invention, the ascending / descending speed of the pressing member for pressurizing / squeezing the leaf tobacco in the box is controlled, and the ascending speed of the pressing member is controlled from the descending speed. Since the speed can be increased and the rising time of the pressing member after pressing / pressing the tobacco leaf can be shortened compared to the pressing / pressing time (falling time), the packing work can be shortened and its workability can be improved. It has the effect that it can be improved.

According to the leaf tobacco packing apparatus of claim 2, since the forward / reverse rotation motor is used and the forward / reverse rotation speed of the forward / reverse rotation motor is variable-speed controlled by the inverter and the inverter control circuit, Since the control of the forward / reverse rotation motor can be easily performed, in addition to the above-mentioned effect, there is an effect that the ascending / descending speed of the pressing member can be accurately adjusted.

According to another aspect of the present invention, there is provided a leaf tobacco packing apparatus, wherein the pressing machine and the box are formed so as to be separable from each other, and the box has a caster below a bottom of the box, and at least one side surface of the box. It has an opening and closing door that opens and closes in the horizontal direction, and the opening and closing door has a small opening and closing door that opens and closes in the vertical direction with its central portion as the pivot, so that the box can be moved easily and leaf tobacco can be easily moved. It is possible to easily stack and take out the tobacco, and to easily confirm the stacked state of the leaf tobacco in the box.

According to the fourth aspect of the present invention, there is provided one or more holding lid fixing holes through which the holding lid fixing rods are inserted, on opposite side surfaces of the box, so that the holding lid fixing is performed. By inserting the work rod into the hole for fixing the pressing lid, the pressing lid can be easily fixed.

According to the leaf tobacco packing apparatus of claims 5 to 8, since the box is provided with a weighing device such as a load cell, a pressure sensor, or a mechanical spring balance, the stacking and packing of the leaf tobacco is performed in parallel. In addition, since the weight can be measured, it is possible to efficiently obtain a shipped product with a proper weight packed in a bag of compact leaf tobacco. Further, when the amount reaches a predetermined amount regardless of the amount of leaf tobacco, it is possible to automatically stop the tobacco, which has the effect of improving workability.

[0016]

[Embodiment of device]

 Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. 1 to 5 show one embodiment of the present invention, FIG. 1 is a perspective view of a leaf tobacco packing device according to the present invention, FIG. 2 is a side view showing the right side of the leaf tobacco packing device, and FIG. 3 is a leaf tobacco. FIG. 4 is a sectional view showing a squeezed state, FIG. 4 is a block diagram of a squeezing mechanism of the leaf tobacco packing device, and FIG. 5 is a detailed view of FIG.

The leaf tobacco packing apparatus of this embodiment is composed of a rectangular parallelepiped box 1 for storing dried leaf tobacco and a press 2 for pressing the leaf tobacco contained in the box 1. In the box 1, the ridges are assembled with the corner members 3 to form a rigid body, the upper part is opened, the front and rear faces and one lateral face are surrounded by the wall 4, and the other side face is formed by the opening / closing wall 5. The bottom is surrounded by the bottom 6. The front wall 4 or the opening / closing wall (door) 5 is hinged and is attached to the side or the rear side so as to be openable and closable, and is locked on the front side by locking means 7 such as a latch to lock the opening and closing. Further, a part of the opening / closing wall 5 is formed by an opening / closing small door 8 attached by a hinge 9 and opened / closed in the vertical direction so that a part of the inside of the box can be exposed. By opening the open / close wall 5 or the open / close small door 8, a part of the inside of the box is exposed so that stacking and taking out of leaf tobacco can be easily performed, improving workability and improving work efficiency. I have to.

The bottom surface of the bottom 6 of the box 1 is supported by a gantry 10 and further provided with a column member 11 extending in the lateral direction so that the bottom surface is reinforced so that it can be transported by a forklift or the like. In addition, casters 12 are provided at four corners of the gantry 10 so that the wheels can be rolled and moved, and the positioning with the press 2 can be easily performed. A vertical frame member 13 is provided in the center of the front wall 4 of the box 1 so as to extend between the upper and lower corner members 3, and a pressing lid fixing rod (not shown) is provided at a required position near the center of the vertical frame member 13. No. 1) or a plurality of holes 14 for fixing the pressing lid to be inserted, and the opening / closing wall 5 and a surface facing the opening / closing wall 5 are provided with a plurality of vertically long strings for threading. A long hole 35 is formed.

The pressing machine 2 includes a forward / backward rod 22 for moving the forward / backward movement of the pressure member 21, a drive device 23 such as a geared motor for driving the forward / backward rod 22, and a control device for controlling the operation of the drive device 23. It is composed of a control panel 24 provided with switches and the like, and these are rolled to a mounting member such as a mounting pillar 25, a lateral beam 26, a side pillar 27, a caster 28, and a caster mounting member 29, and moved to a predetermined position. Possibly installed. The mounting column 25 is provided so as to stand upright in the central portion of the horizontal beam 26, the driving device 23, the control panel 24, etc. are fixed thereto, and the advancing / retreating rod 22 is vertically mounted along the mounting column 25. There is. The advancing / retreating rod 22 crosses the cross beam 26 and can be raised and lowered freely. The cross beam 26 is fixed to the upper part of the side pillar 27 by bridging between the pair of side pillars 27, 27 so as to cross the upper part of the opening of the box 1, and formed into a gate shape. The space between the side columns 27, 27 is sized so that the box 1 can be placed therebetween. A caster mounting member 29 extending in the front-rear direction is fixed to the lower end of each side column 27 so that the squeezing machine 2 can stably stand on its own. Casters 28 are attached to both ends of the caster mounting members 29 on both the left and right sides, and the moving wheels can be rolled to move the squeezing machine 2 toward the pressurizing position of the box 1 containing the leaf tobacco. In order to improve work efficiency. In addition, work efficiency is improved by allowing multiple boxes to be used for one compressor.

The advancing / retreating rod 22 of the compressor 2 is provided with a trapezoidal spiral screw on the outer periphery, and is screwed into the screw of the rod 22 so as to be able to rotate in the forward and reverse directions and fitted into the mounting wheel 30. It is mounted so that it can move forward and backward. The advancing / retreating rod 22 is advanced to pressurize the leaf tobacco, and the advancing / retreating rod 22 is retracted by the reverse rotation to take out the pressed leaf tobacco or add additional leaf tobacco. The advancing / retreating rod 22 is connected to the drive shaft of the drive device 23 by a transmission means such as a chain, a V-belt or a gear via the mounting wheel 30 so as to descend and rise by the forward / reverse rotation of the mounting wheel 30. There is. A pressure member 21 is pivotally attached to the tip of the advancing / retreating rod 22 so as not to rotate in synchronization with the rotation of the rod 22. A pressing member 31 that extends over substantially the entire surface of the box 2 is provided on the lower surface of the pressing member 21. The pressing member 31 is rigidly formed so as not to be easily deformed even when the leaf tobacco M is pressed.

Here, as shown in FIGS. 4 and 5, the control device for controlling the descending / ascending of the advancing / retreating rod 22 includes an inverter 41, an inverter control circuit 42, an upper limit switch 43, a lower limit switch 44, And a weighing device 36, and an inverter control circuit 42, switches, indicators, etc. are provided on the control panel 24. The inverter control circuit 42 is composed of a CPU or the like for inputting preset data and control programs. When the forward / backward rod 22 is lowered from the upper stop position to automatically squeeze the leaf tobacco, first, the reverse rotation (lowering of the forward / backward rod 22) switch is turned on to lower the forward / backward rod 22. When the advancing / retreating rod 22 descends and the lower detection end of the rod 22 is detected by the lower limit switch 44, this is turned on and the forward rotation operation of the motor 23 is turned off. Then, after maintaining for a predetermined period of time, the forward rotation switch is turned on, the motor 23 is operated in the forward rotation, and the backward (up) operation of the rod 22 is started. When the upper detection end of the rod 22 is detected by the upper limit switch 43, this is turned on, the reverse rotation operation of the motor 23 is turned off, and the operation of the rod 22 is stopped. To stop the rod 22 between the upper and lower limit switches 44, the stop switch may be manually operated. Further, the lower limit switch may not be automatically switched from the reverse rotation operation to the normal rotation operation, but the forward rotation operation switch may be manually turned on to drive the motor 23 in the normal rotation operation.

As shown in FIGS. 3 and 5, the box 1 is provided with a weighing device 36 for measuring the weight of leaf tobacco. Here, as the weighing device 36, a load cell, a pressure sensor, a mechanical spring scale, or the like is used on the upper surface. If a load cell is used, its weight can be accurately measured, and if a pressure sensor or mechanical spring balance is used, the cost can be reduced. As a result, the weight of the leaf cigarettes can be measured in parallel with the stacking / packing work, and the pressure limit can be controlled not only by the limit switches 43 and 44 but also by the weighing device 36, so that the squeezing can be stopped at a constant pressure. You can

Next, the work performed by the leaf tobacco packing device of this embodiment will be described. First, the locking means 7 of the box 1 is unlocked, the front wall 4 and the opening / closing wall 5 are opened, a bundle of dried leaf tobacco is stacked on the bottom 6, and then the front wall 4 and the opening / closing wall 5 are closed and locked. It is locked by means 7 to form the box 1. Alternatively, leaf cigarettes are piled up from the upper opening of the box 1 and the pressing lid 37 is placed. Next, the advancing / retreating rod 22 of the squeezing machine 2 is lowered to position the pressing member 21 at the uppermost position, and then the squeezing machine 2 or the box 1 is moved to move the pressing member 21 between the side pillars 27 under the pressing member 21. Position the opening. Next, when the switch of the control panel 24 is operated to turn on the normal rotation operation of the motor 23, the inverter circuit 42 instructs the motor 23 to rotate at a low speed or a medium speed (for example, 50 Hz). Rotate to start squeezing tobacco. When the pressurizing member 21 descends and squeezes the leaf tobacco, the leaf tobacco is bulky, and therefore the advancing / retreating rod 22 descends to the lower limit and the lower limit switch 44 is turned on to stop the reverse rotation operation of the motor 23. Therefore, when the reverse rotation operation is turned on, the inverter circuit 42 instructs the motor 23 to rotate at high speed (for example, 70 to 120 Hz), and the advancing / retreating rod 22 ascends at the high speed rotation. The limit switch 43 is turned on to stop the normal rotation operation of the motor 23. After that, the box 1 or the pressing machine 2 is moved to remove the pressing lid 37, the opening / closing door 8 is opened, and a new bundle of dried leaf tobacco is piled up on the remaining pressed leaf tobacco, and the opening / closing door 8 is closed. Alternatively, after stacking the tobacco leaf from the upper opening of the box 1, the pressing lid 37 is placed again, the box 1 is placed at the squeezing position under the squeezing machine, and the squeezing work is repeated as described above. This squeezing work is repeated until the display of the weighing device 36 shows the required weight, and after forming a block of a predetermined size, the pressing lid fixing rod is inserted into the pressing lid fixing hole 14 and the pressing lid 37 is attached. When the leaf tobacco is no longer lifted by holding it down, take out this block, pack it in bags, and finish packing.

The present invention is not limited to the above-described embodiments, but includes modifications that can be implemented without departing from the scope of the present invention. Incidentally, in the above description, the box 1 is configured to open the front wall 4, the opening / closing wall 5, and the opening / closing door 8 of the opening / closing wall, but it may be configured to open / close only the front wall or one other wall. Further, both the box 1 and the squeezing machine 2 are provided with casters so as to be movable, but the squeezing machine may be a stationary system and the box may be moved by a caster, a forklift, a conveyor or the like. Further, the attachment member of the compression machine may be a cantilever instead of the gate type, and the advancing / retreating rod 23 may be attached to the tip of the transverse beam 26. In addition, the mounting pillar 25 is provided upright and the advancing / retreating rod 23 is provided along this, and the motor 23 and the control board 24 are provided. However, by installing the motor 23 and the control board 24 on the lateral beam, the compressor The height may be lowered.

Further, the advancing / retreating rod 22 of the squeezing machine 2 is provided with a trapezoidal spiral screw on the outer circumference, and a mounting wheel 30 is provided by being screwed onto the screw, and the motor 23 is connected to the mounting wheel 30 to move forward / backward. Although it is configured to move backward, it may be configured to move forward / backward by fixing the mounting wheel and rotating the forward / backward rod 22.

[Brief description of drawings]

FIG. 1 is a perspective view showing a leaf tobacco packing device according to the present invention.

FIG. 2 is a perspective view showing a state where a side surface of a box of the leaf tobacco packing device of FIG. 1 is opened.

FIG. 3 is a cross-sectional view showing a state where leaf tobacco is squeezed by the leaf tobacco packing device of FIG. 1.

FIG. 4 is a block diagram of a squeezing mechanism of the leaf tobacco packing device of FIG. 1.

FIG. 5 is a detailed circuit diagram of FIG.

[Explanation of symbols]

1 ... Box, 2 ... Compressor, 3 ... Corner member, 4 ...
・ Wall, 5 ... Opening / closing wall, 6 ... Bottom, 7 ... Locking means, 8 ... Opening / closing door, 9 ... Hinge, 10 ... Stand, 11 ... Pillar member, 12 ... Caster, 13.
..Vertical frame members, 14 ... Holes for fixing the pressing lid, 21 ...
・ Pressurizing member, 21 ... Advancing / retracting rod, 23 ... Driving device, 24 ... Control panel, 25 ... Mounting column, 26 ...
・ Horizontal beams, 27 ... Side columns, 28 ... Casters, 29
... Caster mounting member, 30 ... Mounting ring, 31 ...
..Pressing member, 35 ... Weighing device, 41 ... Inverter, 42 ... Inverter circuit, 43 ... Upper limit switch, 44 ... Lower limit switch

Claims (8)

[Scope of utility model registration request] 1. A box with an open top for containing a large number of dried leaf tobacco, a pressing lid for pressing the leaf tobacco contained in the box, and pressing the tobacco contained in the box from the surface through the pressing lid. In a leaf tobacco packing apparatus having a squeezing machine, the squeezing machine has a drive rod provided with a pressing member, a drive unit for moving the pressing member up and down with respect to the box, and a lifting of the pressing member. A leaf tobacco packing device, characterized in that it has a control unit for controlling the descending speed so that the ascending speed of the pressing member is higher than the descending speed. 2. The drive unit has a forward / reverse rotation motor, the control unit has an inverter and an inverter control circuit, and the forward / reverse rotation speed of the forward / reverse rotation motor is variable-speed controlled by the inverter. The leaf tobacco packing device according to claim 1. 3. The squeezing machine and the box are formed to be separable from each other, and a caster is provided below the bottom of the box, and an opening / closing door for opening / closing in a horizontal direction is provided on at least one side surface of the box. 3. The leaf tobacco packing device according to claim 1 or 2, wherein the opening / closing door has a small opening / closing door whose upper portion is opened / closed in a vertical direction with a central portion of the opening / closing door as a pivot. 4. The leaf tobacco packing device according to claim 1, further comprising one or a plurality of holding lid fixing holes through which the holding lid fixing rods are inserted, on opposite side surfaces of the box. . 5. The leaf tobacco packing device according to claim 1, wherein the box is provided with a weighing device for measuring the weight of leaf tobacco. 6. The leaf tobacco packing device according to claim 5, wherein the weighing device is a pressure sensor. 7. The leaf tobacco packing device according to claim 5, wherein the weighing device is a load cell. 8. The leaf tobacco packing device according to claim 5, wherein the weighing device is a mechanical spring balance.