JP2008056255A - Bagging packaging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bagging packaging apparatus capable of easily switching the conveying direction of a packaging body by a simple operation. <P>SOLUTION: A sealing means is provided with a first driving means 52 that releases pinching state of the bag mouth side of a packaging body after sealing. A receptacle mechanism is provided with a second driving means 37 that inclines a receptacle. The apparatus has a conveyance direction switching control section 58 that actuates the first and second driving means 52 and 37 at different timings, thereby arbitrarily switching between the conveyance of a packaging body to a packaging body conveyor 38 from the bottom of the packaging body or the conveyance of a packaging body to it from the bag mouth side of the packaging body 9. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention performs sealing after filling a packaging bag with a predetermined amount of rice grains and the like so that the printing surface and labeling surface of the packaging body are on the upper side, and the carry-out direction is set on the bottom side or the bag mouth side of the packaging body. The present invention relates to a bag packaging apparatus such as rice grains that can be arbitrarily switched.

  Conventionally, a mechanism for tilting the pallet in the downward inclination direction and an obstacle member for preventing the package body from falling over integrally with the tilting of the pallet are installed, and the obstacle member is not interfered with the package body. There is also a rice wrapping and packaging device that can be displaced within the range (see Patent Document 1). According to this bagging and packaging apparatus, if the clamp that grasps the bag mouth of the packaging bag is opened at the same time as the pallet is tilted downward, the stick-shaped obstacle member present in the carry-out section regulates the movement of the packaging body, and as a result The body can be removed from the bottom side of the package by sliding down the bottom side. When changing the direction of carrying out the package, loosen the fastening screw of the obstruction member and move the obstruction member to the top so that the bottom side of the package is affected by friction with the pallet and the bag mouth side is the front side. It can fall over and can be taken out from the bag mouth side.

However, in the bag filling and packaging apparatus, the carry-out direction can be arbitrarily switched to the bottom side or the bag mouth side of the package so that the printing surface and the label attaching surface of the package are on the upper side. However, there is a need for an obstacle member for preventing the overturn of the package body, which tries to fall outwardly integrally with the tilting of the pallet, and there is a problem that the number of parts increases and the manufacturing cost increases. Further, when switching the carry-out direction, the operator needs to loosen the tightening screw of the obstacle member and move the obstacle member to the upper part, and there is a problem that the operation is troublesome.
JP 2005-132388 A

  In view of the above problems, the present invention eliminates the need for an obstructing member for preventing the overturning of the package, thereby reducing the manufacturing cost, and does not require the operation of a tightening screw or the like, and facilitates the direction of carrying out the package by a simple operation. It is a technical problem to provide a bagging and packaging apparatus that can be switched.

In order to solve the above-mentioned problems, the present invention is provided with a sealing means for sealing an object to be packaged after weighing and filling, and sandwiching the upper end opening on the bag mouth side of the packaging bag, and provided below the sealing means. Is maintained horizontally to support the bottom side of the packaging bag, and after the seal is completed, the packaging body is slid down and tilted to be carried out of the machine, and the packaging body carried out from the cradle mechanism In the bagging and wrapping apparatus provided with the package carrying-out conveyor to be conveyed, the sealing means is provided with a first driving means for performing an operation of opening the nipping on the bag mouth side of the packaging after the sealing is completed. The cradle mechanism is provided with second drive means for tilting the cradle, and is operated by shifting the timing of the first and second drive means so that the wrapping material carry-out conveyor can move the bottom of the wrapping material. Carry out from the side or bag mouth of the package Comprising a sheet transport direction switching control unit that can switch arbitrarily or unloaded from, it took technical means of.

In addition, the carry-out direction switching control unit tilts the cradle upward and then releases the nipping by the sealing means, and slides down toward the bottom side of the package body below the cradle. The bottom side carry-out mode for controlling the first and second driving means, and the holding by the sealing means before the tilting of the cradle to release the packaging body, and then the cradle It is good to provide the bag mouth side carrying-out mode which controls the said 1st, 2nd drive means so that it inclines to the inclination upper side and the bag mouth side of the said package falls in a carrying-out direction.

Furthermore, a timing sensor of a driving motor that drives a crank mechanism used in the bagging and packaging device may be connected to the carry-out direction switching control unit.

According to the bagging and packaging apparatus of the present invention, the sealing means is provided with first driving means for performing an operation of releasing the holding on the bag mouth side of the packaging body after the sealing is completed, and the cradle mechanism includes Second drive means for tilting the cradle is provided, and the first drive means and the second drive means are operated at different timings to be carried out from the bottom side of the package body to the package body carry-out conveyor, Alternatively, a signal for instructing the operator to carry out the carrying-out direction of the packaging body from the bottom side or the packaging body is provided with a carrying-out direction switching control unit that can arbitrarily switch whether the packaging body is carried out from the bag mouth side. By sending a signal for instructing the unloading direction to be unloaded from the bag mouth side to the switching control unit, the timing of the first and second drive means is shifted in accordance with the unloading direction, and the package body is moved to the bottom. Unload from the side or unpack the package from the bag mouth side Whether it is possible to easily change to. As a result, if the printing surface or labeling surface of the package is accidentally carried out downward, the machine is stopped once, and the operator can easily print the package by operating it with a touch switch. It can be adjusted so that the surface or labeling surface is on the upper side.

In addition, the carry-out direction switching control unit tilts the cradle upward and then releases the nipping by the sealing means, and slides down toward the bottom side of the package body below the cradle. The bottom side carry-out mode for controlling the first and second driving means, and the holding by the sealing means before the tilting of the cradle to release the packaging body, and then the cradle The bag mouth side carry-out mode for controlling the first and second drive means so that the bag mouth side of the package body is tilted upward and tilted in the carry-out direction. It is possible to easily change whether the package is carried out from the bottom side or the package body is carried out from the bag mouth side only by selecting the bottom side carry-out mode or the bag mouth side carry-out mode at the set predetermined timing. .

In addition, since the timing sensor of the drive motor that drives the crank mechanism used in the bagging and packaging apparatus is connected to the carry-out direction switching control unit, each mechanism in the bagging and packaging apparatus is accurately synchronized. You can drive.

  FIG. 1 is a schematic cross-sectional side view of a bag packaging apparatus according to the present invention.

As shown in FIG. 1, the bagging and packaging apparatus 1 includes a printing unit 3, a lower seal unit 4, a bag transfer unit 5, a weighing / filling unit 6, an upper seal unit 7, and a cradle mechanism 8 in a machine frame 2. The tube-shaped packaging material 9 is rotatably supported by the roll platform 10 and the roll support device 11 in the pre-process of the printing unit 3. The end of the packaging material 9 is supplied to the pressure feeding roller 16 via the guide roller 12, the tension roller 13, the printing machine 14, and the tension roller 15, and the packaging material 9 is guided at a constant speed by the pressure feeding roller 16. It is configured. Thereby, the printing machine 14 sequentially prints the designated brand, quality standard, rice milling date and time, rice milling factory, etc. at a predetermined place for each bag length, or a label printed by the printing machine 14 at a predetermined place. After pasting, the packaging material 9 is sent to the lower seal portion 4.

The lower seal portion 4 includes a pair of seal stands 17a and 17b, a cutting blade 18a, and a cutting blade receiving groove 18b. The cutting blade 18a is extended by an air cylinder to cut the tube-shaped packaging material 9, and the opening end formed at this time is welded by the pair of sealing bases 17a and 17b to form the bottom portion 9b of the bag. The Then, after the bottom portion 9b to which the pressure roller 16 has been welded is fed out by one bag, the packaging material 9 is cut again by the cut blade 17a, whereby a single bag is formed.

The next bag delivery section 5 is provided with a support shaft 19, a lever 20 rotatably supported on the support shaft 19, and a tip of the lever 20 for sucking the bag. The apparatus 21 is comprised. As a result, the packaging bag fed from the lower seal 4 to the packaging delivery unit 5 in the horizontal direction is adsorbed by the bag adsorbing device 21 near the bag mouth and the lever 20 is rotated 90 ° counterclockwise. By rotating, it is delivered to the pair of delivery claws 22a and 22b with the opening 9a of the wrapping bag facing up.

The delivery claws 22a and 22b are sequentially moved horizontally from the packaging delivery section 5 to the weighing / filling section 6 and further from the weighing / filling section 6 to the upper seal section 7 with the opening 9a of the packaging bag up. Is done. The transfer claws 22a and 22b are moved between the bag transfer section 5 and the weighing / filling section 6 and moved between the weighing / filling section 6 and the upper seal section 7 exclusively. The well-known cam / link mechanism can be adopted as the horizontal movement mechanism.

The weighing / filling unit 5 has a supply hopper 23 of rice grains or the like at the top of the machine casing 2, and a gate 25 that is controlled to open and close by a cylinder 24 is provided at the bottom of the supply hopper 23. Below the supply hopper 23 is provided a weighing tank 26 equipped with a load cell. The weighing tank 26 is provided with a gate 28 controlled to be opened and closed by a cylinder 27. Further, a charging chute 29 is provided below the gate 28. It is done. A pair of gates 30 are provided at the lower end of the throwing chute 29, and further, below the clamping nails (aside from the delivery claws 22a and 22b), a clamp device (which opens the packaging bag by clamping the left and right sides of the packaging bag). (Not shown) is provided, and when the gate 30 is opened, an object to be weighed is filled in the bag. The charging chute 29 is provided with a vertical movement mechanism so that the tip portion can be inserted into the package.

Next, the structure of the upper seal part 7 and the cradle mechanism 8 will be described. The upper seal portion 7 includes a clamp tool 31a, 31b that clamps the left end of the wrapping bag and grips the wrapping bag, and a clamp that clamps the right end of the wrapping bag and grips the wrapping bag, separately from the transfer claws 22a and 22b. Tools 31c and 31d (see FIG. 3) are provided, and long sealing tools 32a and 32b for sealing the opening 9a of the wrapping bag are provided above the clamp tools 31a and 31b and the clamp tools 31c and 31d. Is provided. The cradle mechanism 8 (see FIG. 1) is provided below the weighing / filling unit 6, and is provided below the cradle 33 that moves up and down with the size of the wrapping bag, and below the upper seal portion 7. The fulcrum 35 is provided near the side for carrying out the machine to the outside of the machine, and the pallet 34 for tilting the fulcrum 35 in the upward tilt direction around the fulcrum 35 to carry the packaged body out of the machine. The bottom surface of the cradle 33 is supported by the air cylinder 36 so as to be slid in the vertical direction, while the bottom surface of the pallet 34 is rotated upwardly about the fulcrum 35 by the air cylinder 37, for example, by 40 °. So that it is supported.

Reference numeral 38 denotes a belt conveyor for discharging the packaged body out of the machine, and is inclined upward from the carry-out port 62 of the bagging and packaging apparatus 1 so as to be easily stacked on the pallet for forklift.

FIG. 2 is a diagram showing an outline of the crank mechanism of the bag packing apparatus of the present invention, and FIG. 3 is a schematic diagram showing the crank mechanism when FIG. 2 is viewed from the direction of the A-A ′ line. With reference to FIG.2 and FIG.3, the crank mechanism used for the said bag delivery part 5, the measurement and filling part 6, and the upper seal part 7 is demonstrated.

The crank mechanism is on the back side of the bagging and packaging device 1, and has a drive motor 39 disposed at the bottom of the machine frame 2, one end connected to the drive motor 39 and the other end rotatably supported by a bearing 40. The long drive shaft 41 and a plurality of cranks 42 provided at predetermined positions of the drive shaft 41 are configured. As shown in FIG. 3, the crank 42 has cam disks 43... Having cam grooves 43 a formed on the inner surface thereof, fixed at predetermined positions of the drive shaft 41, and slid within a predetermined range by the cam disks 43. A rocker arm 44 is supported by the machine casing 2, and a rocking rod 46 is coupled to the long side of the rocker arm 44 via a coupling member 45.

As a result, as shown in FIG. 2, in the bag delivery section 5, the cam disk 43a is rotated when the drive shaft 41 is rotated, and the swing rod 46a is moved up within a predetermined range. The support shaft 19 is rotated via the lever member 47 at the upper end of 46a, and the lever 20 supported by the support shaft 19 is rotated 90 ° counterclockwise.

Similarly, in the weighing / filling unit 6, as shown in FIG. 2, when the swing rod 46b is moved up within a predetermined range, the bag suction devices 48a and 48b that open the opening 9a of the bag are moved up and down. The mechanism 49 is moved to the closing chute 29 side. In synchronization with this, when the swing rod 46c is moved up within a predetermined range, the tip of the charging chute 29 is inserted into the package 9 by the link mechanism 50 provided on the charging chute 29. .

In the upper seal portion 7, as shown in FIG. 3, when the swing rods 46d, 46e are moved up within a predetermined range, the first clamp is connected via the connecting block 51a connected to the swing rod 46d. The tool 31a is moved in the right direction of the drawing, and the second clamp tool 31b is moved in the left direction of the drawing via the connecting block 51b connected to the swing rod 46e, and between the first and second clamp tools 31a and 31b. Thus, the left and right ends of the wrapping bag 9 are clamped. The sealing tools 32a and 32b for sealing the opening 9a of the wrapping bag use air cylinders 52a and 52b as a bag clamping means, and a heat welding heater is fixed to one sealing tool 32a, and the other A heat welding table is fixed to the sealing tool 32b.

The drive motor 39 and the cam disks 43, which drive the cranks 42, are precisely designed so that the mechanisms are synchronized. For example, the cam disks 43 are rotated once (rotated) by the drive motor 39. When the angle is rotated from 0 ° to a rotation angle of 360 °, one cycle is set. For example, when the bag packing apparatus 1 of the present invention can pack 16 bags per minute (16 bags / min) with the maximum capacity, the cam disk 43... Designed to rotate to a rotation angle of 10 °.

Next, the timing of tilting the pallet upward and releasing the clamp tool will be described.

Reference numeral 53 in FIG. 1 is a control device of the packaging bagging apparatus 1, and a control block diagram of the control device 53 is shown in FIG. 4.

The control device 53 is electrically connected to a liquid crystal display 54 that also serves as a display and a touch panel for operation. On the other hand, the print control unit 55, the lower seal control unit 56, the metering / filling control unit 57, and the drive of the crank mechanism are connected. A motor 39 is electrically connected. In the control device 53, an unloading direction switching control unit 58 for switching the unloading direction of the package is incorporated, and the timing sensor 61 of the drive motor 39 is electrically connected to the unloading direction switching control unit 58 on the input side. The belt conveyor 38 for discharging the package from the machine, the air cylinder 37 for tilting the pallet 34, and the air cylinder 52 for clamping the upper seal portion 7 are electrically connected to the output side.

Further, the liquid crystal display 54 is provided with a bottom-side unloading switch 59 for instructing the operator to unload the package from the bottom, and the operator unloads the package unloading direction from the bag mouth side. A bag mouth side unloading switch 60 is provided to instruct to As a result, when the operator turns on the bottom-side carry-out switch 59, the switch 59 is turned on, and a signal for the bottom-side carry-out mode is input to the carry-out direction switching control unit 58. Based on this signal, the belt conveyor 38 is supplied. And a tilt signal for the pallet 34 and a clamp signal for the sealing device 32 are output to each actuator in accordance with a predetermined timing set in advance. Similarly, when the operator turns on the bag mouth side unloading switch 60, the switch 60 is turned on and a signal of the bag mouth side unloading mode is input to the unloading direction switching control unit 58, and the belt conveyor 38 is based on this signal. And a tilt signal for the pallet 34 and a clamp signal for the sealing device 32 are output to each actuator in accordance with a predetermined timing set in advance.

Next, the detailed operation will be described with reference to the time chart of FIG. 5 and the operation diagrams of FIGS.

First, the operation of the bottom side carry-out mode will be described.

When the bottom-side carry-out switch 59 is turned on, a signal for carrying out from the bottom side of the package rises (signal (a) in FIG. 5), and a drive signal to the belt conveyor 38 is output based on this signal (FIG. 5). (B) signal).

Then, until the time t1, work is performed in each process of printing, lower seal, packaging delivery, weighing and filling, and when the time t1 is reached, the package is attached to the sealing device 32. A sandwiching signal is output to the air cylinder 52 (signal (d) in FIG. 5), and the bag opening 9a of the package 9 filled with the article to be packaged is sealed with a hot welding heater. Even after being sealed and commercialized, clamping by the sealing device 32 is continued (state (a) in FIG. 6). When the time t2 is reached in this state, a tilt signal for the pallet 34 is output (FIG. 5 (c). ) Signal).

When the pallet 34 is tilted upward, the bottom surface of the wrapping body 9 comes to face downwardly as the bottom surface of the pallet 34 comes into contact with the right side surface of the wrapping body 9 ((b) of FIG. 6). State). When the time t3 is reached in this state, a signal for opening the sealing tool 32 is output to the air cylinder 52 (signal (d) in FIG. 5). When the clamping by the sealing device 32 is released, the pallet 34 is slid down with the bottom side of the packaging body 9 facing downward in the inclined direction, and is conveyed by the next-stage discharge belt conveyor 38 ( FIG. 6 (c) state).

Thereafter, when the time t4 is reached, a release signal for the pallet 34 is output (signal of (c) in FIG. 5), the pallet 34 is returned to the horizontal state, and the carry-out operation for one package is completed.

Next, the operation of the bag mouth side carry-out mode will be described.

When the bag mouth side carry-out switch 60 is turned on, a signal to be carried out from the bag mouth side of the package body rises (signal (A) in FIG. 5), and a drive signal to the belt conveyor 38 is output based on this signal ( (B) signal in FIG. 5).

Then, until the time T1, the work in each process of printing, lower seal, packaging delivery, weighing and filling is performed, and then when the time T1 is reached, the package is attached to the sealing device 32. A sandwiching signal is output to the air cylinder 52 (signal (D) in FIG. 5), and the bag opening 9a of the package 9 filled with the article to be packaged is sealed with a hot welding heater. Even after being sealed and commercialized, the clamping by the sealing device 32 is continued (state (a) in FIG. 7). However, when time T2 is reached, a signal to open the sealing device 32 is output to the air cylinder 52. (Signal in FIG. 5D). At this time, the pallet 34 is horizontal, and the bottom surface of the pallet 34 and the bottom side of the packaging body 9 are in contact with each other so that the packaging body 9 is self-supporting (state (b) in FIG. 7).

Next, when time T3 is reached, a signal for tilting the pallet 34 upward is output (signal in FIG. 5C), and the pallet 34 is tilted upward from the horizontal state ((c in FIG. 7). ) State). At this time, since the pallet 34 is tilted in a short time by the air cylinder 37 around the fulcrum 35 provided on the carry-out port 62 side, the bag mouth 9a side of the package 9 is turned over toward the belt conveyor 38. Is carried out. At this time, when the pallet 34 is tilted upward from the horizontal state at a high speed, the pallet 34 is thrown from the bag opening 9a side of the package 9 to the belt conveyor 38 side.

Thereafter, when the time T4 is reached, a release signal for the pallet 34 is output (signal (C) in FIG. 5), the pallet 34 is returned to the horizontal state, and the carry-out operation for one bag of the package is completed.

As described above, according to the present invention, the pair of sealing means 7 is provided with the first driving means 52a and 52b for sliding the pair of clamping members 32a and 32b. A second driving means 37 for tilting the cradle upward is provided, and the first and second driving means 52 and 37 are operated while shifting the timing, so that the packaging body carry-out conveyor 38 can move the packaging. Since the transport direction switching control unit 53 that can arbitrarily switch whether the body 9 is unloaded from the bottom side 9b or the package body 9 is unloaded from the bag mouth side 9a is provided, the operator can touch the touch switches 59, 60. By sending to the switching control unit 53 a signal for instructing the unloading direction of the package 9 to be unloaded from the bottom side 9b or a signal for instructing the unloading direction of the package 9 to be unloaded from the bag mouth side 9a. , According to the unloading direction The timings of the first and second drive means 52 and 37 are operated in a shifted manner, and it is possible to easily change whether the packaging body 9 is carried out from the bottom side 9b or the packaging body 9 is carried out from the bag mouth side 9a. it can.

It is a schematic sectional side view concerning a bag packaging apparatus. It is a figure which shows the outline of the crank mechanism of a bagging packaging apparatus. It is the schematic which shows a crank mechanism when FIG. 2 is seen from the direction of the A-A 'line. It is a block diagram which concerns on the control apparatus of a bagging packaging apparatus. It is a time chart which shows the operation | movement of carry-out direction switching. It is explanatory drawing of an effect | action of bottom side carrying out mode. It is explanatory drawing of an effect | action of a bag mouth side carrying out mode.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bag filling packaging machine 2 Machine frame 3 Printing part 4 Lower seal part 5 Packaging bag delivery part 6 Weighing / filling part 7 Upper seal part 8 Receiving mechanism 9 Packaging material 10 Roll mounting base 11 Roll support device 12 Guide roller 13 Tension roller 14 Printing Machine 15 Tension Roller 16 Pressure Feeding Roller 17 Sealing Base 18 Cut Blade 19 Supporting Shaft 20 Lever 21 Bag Adsorption Device 22 Delivery Claw 23 Supply Hopper 24 Cylinder 25 Gate 26 Measuring Tank 27 Cylinder 28 Gate 29 Input Chute 30 Gate 31 Clamp Tool 32 Sealing tool 33 Receiving base 34 Pallet 35 Support point 36 Cylinder 37 Cylinder 38 Belt conveyor 39 for carrying out the machine Drive motor 40 Bearing 41 Drive shaft 42 Crank 43 Cam disc 43
44 Rocker arm 45 Connecting member 46 Oscillating rod 47 Lever member 48 Bag adsorbing device 49 Vertical movement mechanism 50 Link mechanism 51 Connecting block 52 Cylinder 53 Controller 54 Liquid crystal display 55 Print controller 56 Lower seal controller 57 Weighing / filling controller 58 Unloading direction switching control unit 59 Bottom-side unloading switch 60 Bag port-side unloading switch 61 Timing sensor 62 Unloading port

Claims (3)

A sealing means for sealing after weighing and filling an object to be packaged, pinching the upper end opening on the bag mouth side of the packaging bag;
A cradle mechanism provided below the sealing means and maintained horizontally to support the bottom side of the packaging bag at the time of sealing, and tilted to slide the packaging body out of the machine after the sealing is completed;
In a bag packaging apparatus provided with a package carrying-out conveyor that conveys a package carried out from the receiving mechanism,
The sealing means is provided with a first driving means for performing an operation of releasing the holding on the bag mouth side of the packaging body after the sealing is completed, and the receiving mechanism has a second driving means for tilting the receiving base. Is provided,
The timing of the first and second driving means is shifted and operated to arbitrarily carry out the package from the bottom side of the package body or from the bag mouth side of the package body. A bag packaging apparatus comprising a carry-out direction switching control unit capable of switching. The carry-out direction switching control unit tilts the cradle upward and then opens the bag mouth side by the sealing means, and directs the bottom side of the packaging body to the lower side of the cradle. Bottom side carry-out mode for controlling the first and second drive means so as to slide down, and the bag body side holding by the sealing means is released before the cradle tilts, and the packaging body is made self-supporting, Thereafter, a bag mouth side carry-out mode for controlling the first and second driving means so as to tilt the cradle upward and tilt the bag mouth side of the package body in the carry-out direction. The bagging and packaging apparatus according to claim 1. The packaging bagging apparatus according to claim 1 or 2, wherein a timing sensor of a drive motor that drives a crank mechanism used in the bagging and packaging apparatus is connected to the carry-out direction switching control unit.

Images