JP5749937B2 - Stretch packaging equipment - Google Patents

Description

  The present invention relates to a stretch wrapping apparatus.

  A stretch packaging apparatus is known as an apparatus for packaging an object to be packaged such as fresh food. For example, as disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 11-79138), a stretch packaging apparatus pushes up an object to be stretched against a stretched film, and the film is packaged in that state. There are some which are folded and packaged on the lower side. In the stretch wrapping apparatus disclosed in this document, when the package is discharged, the film folded under the package is heat-sealed by way of a conveyor belt heated by an electric heater. The

  By the way, in recent years, energy saving is demanded. Even in the invention disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 11-79138), when a predetermined time has passed since the previous packaging has been performed, the temperature control of an electric consumption component such as an electric heater is performed in a power saving mode. doing.

  In patent document 1 (Unexamined-Japanese-Patent No. 11-79138), when the predetermined time passes since the previous packaging was performed, the power saving mode is performed uniformly. However, there is room for further consideration regarding the reduction of power consumption.

  Then, the subject of this invention is providing the stretch wrapping apparatus which can reduce power consumption more.

  The stretch wrapping apparatus according to the present invention includes a packaged article input unit, a packaged product discharge unit, a plurality of electric consumption parts, and a control unit. The article to be packaged is inputted to the article to be packaged. The article to be packaged is discharged in a state where the article to be packaged is packaged. The plurality of electric consuming parts wraps and discharges the input packages. A control part controls an electric consumption part. A human body detecting means is disposed in the vicinity of the packaged article input part and / or the packaged article discharge part. The human body detection means detects the presence of a person who inputs the package. The control unit has a mode switching unit. The mode switching unit switches between the normal mode and the first standby mode based on the detection result by the human body detection means. The first standby mode suppresses power consumption more than the normal mode.

  Here, the power consumption can be suppressed by switching between the normal mode and the standby mode based on the detection result by the human body detection means. Therefore, the power consumption of the entire apparatus can be reduced.

  Moreover, it is preferable that a control part has a learning part and a determination part. The learning unit learns the relationship between the time zone and the detection result by the human body detection means. The determination unit determines a first standby mode time zone in which the first standby mode is performed based on learning by the learning unit.

  Here, the power consumption can be reduced by learning the relationship between the detection result of the human detection means and the time zone, and determining the time zone for performing the first standby mode for suppressing power consumption.

  Moreover, it is preferable to further include a heating member that is disposed in the vicinity of the package discharge unit and heat-seals the packaging material of the package. Moreover, it is preferable that the electricity consumption component includes a heating means for heating the heating member. Moreover, it is preferable that a control part further has a heating means control part which controls a heating means. In addition, it is preferable that the mode switching unit further switches to the second standby mode in which the power consumption is lower than in the normal mode and the power consumption is not lower than in the first standby mode. The heating means controller preferably controls the heating means so that the temperature of the heating member is lower than the normal temperature in the normal mode in the first standby mode, and in the second standby mode, It is preferable to control the heating means so that the temperature of the heating member becomes a second temperature higher than the first temperature and lower than the normal temperature.

  In the packaging apparatus, it is considered that the power consumption of the heating means is large. Therefore, controlling the heating means can contribute to reduction of power consumption.

  Moreover, it is preferable that a heating means control part controls a heating means so that the temperature of a heating member approaches normal temperature from 1st temperature from the predetermined time before the 1st standby mode time slot | zone ends.

  For example, after the first standby mode time period is ended by learning by the learning unit, it is considered that the worker performs the work of loading the package. Therefore, by controlling the heating means in accordance with the time period during which the charging operation is performed, the temperature of the heating member can be raised to a temperature close to the normal temperature during the time when the operator is expected to perform the charging operation. Therefore, it is possible to quickly start up the apparatus and use the apparatus by an operator.

  In addition, the mode switching unit preferably switches from the normal mode to the second standby mode when the next package is not discharged after a predetermined time has elapsed since the previous package was discharged in the normal mode. . Thereby, for example, it is possible to reduce the power consumption during the time (time period) when the worker does not temporarily insert the package.

  Moreover, it is preferable to further include an input receiving unit that receives an input as to whether or not to shift to the normal mode when the human body detecting unit detects the presence of a person in the first standby mode. The mode switching unit preferably switches the first standby mode to the normal mode when the input receiving unit receives an input of transition to the normal mode.

  For example, even if the first standby mode for performing the first standby mode is determined by learning by the learning unit, it is conceivable that the worker performs the input work during the time period. In this case, the worker can perform the work by receiving the input of the shift to the normal mode by the worker through the input receiving unit. On the other hand, even if an operator stands in the vicinity of the packaging device in the first standby mode and the human body detection means detects the worker, the mode is not switched to the normal mode unless an input to the input receiving unit is received. Thereby, it can contribute to reduction of power consumption.

  It is preferable to further include an elevating part that raises and lowers the article to be packaged that has been put into the article to be packaged in the packaging space adjacent to the article to be packaged. In addition, it is preferable that the normal mode includes a transfer manual control in which the package object placed on the package object input unit or the lifting unit is manually transferred to the next step. The mode switching unit is not manually switched from the normal mode to the first standby mode when the manual switching control is performed in the normal mode, and the packaged item is placed on the package input unit or the lifting unit. preferable.

  Here, for example, in the transition manual control, when the state in which the article to be packaged is placed on the article input part or the lifting part is maintained, the first standby mode (that is, the temperature of the heating member is If the temperature is lower than the normal temperature), there is a concern that when the operation for entering the next step is performed, a film having poor film adhesion to the packaged object may come out. Therefore, in such a situation, it is possible to maintain the weldability to the package by not switching the normal mode to the first standby mode.

  Moreover, it is preferable that the display means which displays the information of the to-be packaged object at least is contained in several electric consumption parts. And it is preferable that a control part further has a display means control part which controls the output to a display means. The display means control section preferably stops output to the display means when an emergency stop state is entered in the first standby mode. In an emergency stop state, it is in the state which can ensure safety that a stretch wrapping apparatus does not operate. Therefore, it is possible to save energy while considering the safety of the worker by stopping the output of the display means only when safety is ensured and when the worker is not working by the human body detection means. Can contribute.

  In addition, for example, if backup is performed in the normal mode, there is a concern that a load is applied to the apparatus itself, which affects the work efficiency of the operator. Therefore, it is preferable to further include a backup execution unit that performs backup in the first standby mode or the second standby mode. Thereby, the fall of an operator's work efficiency can be suppressed.

  In the stretch wrapping apparatus according to the present invention, power consumption can be further reduced.

The external appearance perspective view of the stretch wrapping apparatus which is one Embodiment of this invention. The front schematic diagram inside a stretch wrapping apparatus (when a film insertion board unit takes a 1st position). FIG. 3 is a perspective view taken along the line III-III in FIG. 2. Schematic front view of the inside of the stretch wrapping device (when the film insertion plate unit takes the second position). The schematic plan view of a film insertion board unit. The plane schematic diagram inside a stretch wrapping apparatus. The correlation diagram of a feeder unit and a feeder movement unit. The top view of a sealing mechanism. The control block diagram of a control apparatus. The flowchart which shows mode schedule creation operation. The flowchart which shows the mode switching operation | movement after a power supply is turned on (step S11-step S20 are shown). The flowchart which shows the mode switching operation | movement after a power supply is turned on (step S21-step S25 are shown). Operation | movement explanatory drawing of a stretch packaging apparatus. Operation | movement explanatory drawing of a stretch packaging apparatus. Operation | movement explanatory drawing of a stretch packaging apparatus. Operation | movement explanatory drawing of a stretch packaging apparatus. Operation | movement explanatory drawing of a stretch packaging apparatus. The flowchart which shows the switching of the mode which concerns on 2nd Embodiment.

<First Embodiment>
Hereinafter, a stretch wrapping apparatus 1 according to an embodiment of the present invention will be described with reference to the drawings.

(1) Stretch packaging device 1
FIG. 1 is an external perspective view of the stretch wrapping apparatus 1. FIG. 2 is a schematic front view of the inside of the stretch wrapping apparatus 1 (when the film insertion plate unit 51 takes the first position). 3 is a perspective view taken along the line III-III in FIG. 4 is a schematic front view of the inside of the stretch wrapping apparatus 1 (when the film insertion plate unit 51 takes the second position). FIG. 5 is a schematic side view of the film insertion plate unit 51. FIG. FIG. 6 is a schematic plan view of the inside of the stretch wrapping apparatus 1. FIG. 7 is a correlation diagram of the feeder units 61 and 62 and the feeder moving units 63 and 64. FIG. 8 is a plan view of the seal mechanism 8.

  In the following description, words indicating directions such as front and rear, right and left, up and down, front, and back are used, and the direction means the direction shown in the lower right of FIG. 1 unless otherwise specified.

  First, the stretch wrapping apparatus 1 will be briefly described. The stretch wrapping apparatus 1 has a tray T (see FIG. 3 or the like) that accommodates a product G (see FIG. 3 or the like) such as a fresh food with respect to a stretch film F (see FIG. 2 or the like) as a wrapping material held in tension. (These are items to be packaged that are packaged by the film F as a packaging material), and the film T of the tray T is wrapped by folding the periphery of the film F below the tray T. is there. In addition to the film wrapping function, the stretch wrapping apparatus 1 also has a weighing function and a pricing function by labeling. Note that the product G may be packaged without being accommodated in the tray T.

  Hereinafter, the structure of the stretch packaging apparatus 1 is demonstrated using FIGS.

  The stretch wrapping apparatus 1 includes a loading mechanism 2, a wrapping station 3, a roll support mechanism 4, a film feed mechanism 5, a film transport mechanism 6, a folding mechanism 7, a seal mechanism 8, a discharge table 11, and a detection. And a mechanism 12 (see FIG. 9).

(1-1) Input mechanism 2
The input mechanism 2 is provided in the front center part of the main body 1a, and functions as an input part in which the tray T containing the product G is input into the main body 1a. The input mechanism 2 includes a measuring device for measuring the weight of the product G accommodated in the tray T, a weighing pan placed on the measuring device, and a plurality of loading belts constructed between a pair of rollers. ing. The carry-in belt is provided with a conveying projection, and if the tray T containing the product G is placed on a measuring instrument (on a weighing pan) as shown in FIG. 3, the weight of the product G is measured. After being measured by the container, the tray T is pushed from the front side by a protrusion fixed to the carry-in belt, and is sent onto a support member 33 of a lifter mechanism 30 (described later) of the packaging station 3.

  In addition, in the insertion mechanism 2, it is controlled by the control device 9 to be described later so that the stretch wrapping device 1 (that is, each mechanism in the main body 1a) does not operate assuming that the predetermined weight is not satisfied when the weighing pan is detached. Has been. However, there is a concern that the stretch wrapping apparatus 1 may be operated when a predetermined load is applied to the measuring instrument by an operator placing his / her hand on the measuring instrument. Therefore, here, the camera 121 (to be described later) detects the weighing pan, and if the weighing pan is not detected, the control device 9 operates the stretch packaging device 1 even if a predetermined load is applied to the weighing instrument. I am trying not to. This prevents the stretch wrapping apparatus 1 from operating when a predetermined load is applied to a predetermined measuring instrument even though the weighing pan is detached.

(1-2) Packing station 3
The packaging station 3 is a packaging space formed in the main body 1 a and is adjacent to the input mechanism 2. In the packaging station 3, a packaging process is performed in which a series of film packaging is performed on the tray T including the product G for which weighing has been completed. In the packaging station 3, the stretch film F is stretched by the film transport mechanism 6, and the lifter mechanism 30 presses the tray T in which the product G is accommodated against the stretched stretch film F (see FIG. 15). And the tray T and the goods G will be in the state covered with the stretch film F by folding the part around the stretch film F to the lower side of the tray T in the state where the folding film 7 pressed the stretch film F.

  A lifter mechanism 30 is provided below the packaging station 3. The lifter mechanism 30 functions as a lifting unit that holds the bottom surface of the tray T and moves the tray T and the product G up and down.

  As shown in FIG. 3, the lifter mechanism 30 is rotatably supported on a support base 31, a plurality of support bars 32 fixed on the support base 31, and upper ends of the support bars 32. And a support member 33 for receiving the bottom surface. In addition, an electric ball screw mechanism 34 that moves the support base 31 up and down is disposed below the lifter mechanism 30.

  Each support bar 32 is provided with a hinge that bends in the front-rear and left-right directions at the center thereof, and the hinges include left-right folding plates 76 and 77 (see FIGS. 2 and 3 to be described later) and a rear folding plate 78 ( Is configured to fall over temporarily when it enters the lower part of the tray T.

  In addition, a pressing mechanism 81 is disposed on the upper portion of the packaging station 3. The holding mechanism 81 prevents the tray T and the product G from falling and falling over when the product G and the tray T placed on the lifter mechanism 30 are pushed up by the electric ball screw mechanism 34 and stopped.

(1-3) Roll support mechanism 4
The roll support mechanism 4 is a mechanism that supports the film roll R, and is disposed on the side portion (specifically, the left side portion) of the main body 1a as shown in FIG. The film roll mechanism 4 is mainly composed of two roll bars (not shown). The roll bar allows the film roll R to be inserted and holds the film roll R with a holder or the like. The roll bar is supported by the main body 1a so as to be rotatable. A pulley 4b is fixed to one end of the roll bar, and a belt 4c is hung on the pulley 4b. The two roll bars are arranged so as to be displaced in the vertical and horizontal directions.

  The belt 4c is driven by one film roll drive motor 4d. The film roll drive motor 4 can be rotated in the forward and reverse directions, so that the film roll R inserted into one roll bar is rotated during the forward rotation, and is inserted into the other roll bar during the reverse rotation. The film roll R is driven to rotate. A one-way clutch 4e is provided between the belt 4c and the film roll drive motor 4d.

(1-4) Film delivery mechanism 5
The film delivery mechanism 5 is a mechanism for delivering (delivering) the film F drawn from the film roll R to the transport mechanism 6 (specifically, a pair of feeder units 61 and 62 described later). As shown in FIGS. 2 and 5, the film delivery mechanism 5 mainly includes a film insertion plate unit 51 and a film insertion plate drive motor (not shown) that rotates the film insertion plate unit 51 around a predetermined axis. It consists of and.

  The film insertion plate unit 51 includes a first film insertion plate 51a mainly composed of two plate members 57a and 58a, and a second film insertion plate 51b mainly composed of two plate members 57b and 58b. .

  The film insertion plate unit 51 is disposed above the film roll R and extends along the longitudinal direction of the film roll R. The length of the film insertion plate unit 51 in the longitudinal direction is longer than the length of the film roll R in the longitudinal direction.

  The two plate members 57a, 58a, 57b, and 58b are respectively formed with notches 53a to 53i (in FIG. 5, only the plate members 57a and 58a are shown, but the plate member 57b is shown. , 58b has the same configuration). The distance between the notch 53a and the notches 53b to 53i is a distance corresponding to several types of films F having different film widths. For example, the distance between the outer side of the notch 53a and the outer side of the notch 53i substantially matches the film width of the film F having the largest film width.

  Each of the two plate members 57a, 58a, 57b, 58b is connected at one end with a hinge (not shown) and can be opened and closed. Thus, the operator can easily insert the film F between the plate member 57a and the plate member 58a and between the plate member 57b and the plate member 58b. As shown in FIG. 5, the plate member 57a and the plate member 58a have substantially the same shape. Similarly, the plate member 57b and the plate member 58b have substantially the same shape.

  The film insertion plate drive motor rotates the film insertion plate unit 51 within a predetermined range about the hinge portion. By the film insertion plate drive motor, the film insertion plate unit 51 is, for example, a first position (a position indicated by a one-dot chain line in FIG. 2) and a second position (a two-dot chain line in FIG. 4) located below the first position. The position indicated by) can be taken. Specifically, the first position is a position where the second film insertion plate 51b extends in a substantially horizontal direction (a position that is substantially parallel to a belt unit 220 described later). The second position is a position where the first film insertion plate 51a extends in a substantially horizontal direction (a position that is substantially parallel to the belt unit 220).

  The film insertion plate unit 51 is located at either the first position or the second position while the stretch wrapping apparatus 1 is operating. Selection of the position of the film insertion plate unit 51 is determined depending on which one of the two film rolls R is used, and is performed by an operator or the like via the control device 9 described later. More specifically, the film insertion plate unit 51 takes the first position when the upper film roll R is selected, and the second position when the lower film roll R is selected. Take.

  The film insertion plate drive motor moves the film insertion plate unit 51 horizontally to the film transport mechanism 6 side. Thereby, the film transport mechanism 5 can deliver the film F held by the roll support mechanism 4 to the film transport mechanism 6.

(1-5) Film transport mechanism 6
The film transport mechanism 6 receives the film F sent from the film delivery mechanism 5 and transports the film F to the central portion of the packaging station 3. After transporting the film F to the packaging station, the film transport mechanism 6 holds the film F in tension by performing a stretching operation described later. Hold the film F in tension.

  The film transport mechanism 6 mainly includes a first feeder unit 61, a second feeder unit 62, a first feeder moving unit 63, a second feeder moving unit 64, and a feeder driving unit 65.

  As shown in FIG. 6, the 1st feeder unit 61 is arrange | positioned at the front side part of the main body 1a. The 2nd feeder unit 62 is arrange | positioned at the back side part of the main body 1a.

  The first feeder unit 61 and the second feeder unit 62 sandwich the both sides in the width direction of the film F held by the film insertion plate unit 51 (that is, the front side portion and the back side portion) between upper and lower belts, and drive the feeder. The unit 65 transports the film F in the direction indicated by the arrow A1 (see FIG. 2).

  The first feeder unit 61 is configured to move in the width direction of the film F by the operation of the first moving feeder unit 63 and the second feeder unit 62 is operated by the operation of the second moving feeder unit 64, respectively. Yes. Each of the feeder units 61 and 62 is movable in the width direction of the film F at two locations by slide shafts 66 and 67 extending along the width direction of the film F.

  Although not shown, the first and second feeder units 61 and 62 have a plurality of clamps. These clamps are actuated by solenoids to grip and release the film F.

  A cutter mechanism 69 is provided upstream of the film transport mechanism 6 in the film transport direction, as shown in FIGS. The cutter mechanism 69 is provided to cut the film F between the mechanisms 5 and 6 after the film F transferred from the film delivery mechanism 5 to the film transport mechanism 6 is transported by a predetermined amount by the film transport mechanism 6. It has been. The cutter mechanism 69 has a cutting blade longer than the width of the film, and cuts the film F by moving the cutting blade with an actuator.

(1-6) Folding mechanism 7
The folding mechanism 7 is a mechanism for packaging an article to be packaged with the film F conveyed to the packaging station 3. As shown in FIGS. 2 and 3, the folding mechanism 7 includes left and right folding plates 76 and 77, a rear folding plate 78, and a front folding rod 79.

  The left and right folding plates 76 and 77 fold both ends of the film F in the film transport direction to the bottom side of the tray T.

  The rear folding plate 78 folds the side portion of the film F on the second feeder unit 62 side to the bottom surface side of the tray T.

  The left and right folding plates 76 and 77 and the rear folding plate 78 can be moved horizontally by a folding plate drive motor and a timing belt (not shown).

  The front folding bar 79 is arranged so that the side of the film F on the first feeder unit 61 side is folded to the bottom side of the tray T when the tray T is discharged. The tray T is discharged by the discharge pusher 75 pushing the tray T toward the seal mechanism 8 (front side).

(1-7) Seal mechanism 8
The sealing mechanism 8 heats and seals the bottom surface of the tray T pushed out by the discharge pusher 75. At this time, the pressing mechanism 81 described above also has a role of pressing the tray T in which the commodity G is stored against the upper surface of the sealing mechanism 8.

  As shown in FIG. 8, the seal mechanism 8 mainly includes a conveyance roller 82, a heating roller 83, a heater 84, a roller support member 85, and a heater support member 86.

  A plurality of transport rollers 82 are arranged before and after the two heating rollers 83. The transport roller 82 and the pair of left and right roller support members 85 rotatably support both ends of the rollers 82 and 83. The heating roller 83 is formed in a cylindrical shape, and a cylindrical electric heater 84 is inserted therein. The heater 84 is a so-called cartridge heater, is not in contact with the heating roller 83, and both ends are fixed to the heater support member 85. An electrode 88 is provided at one end of these heaters 84. When the electrode is energized by the control device 9 to be described later, the heating coil in the heater 84 generates heat. That is, the heating roller 83 is heated by the heater 84. When the heating roller 83 is heated by the heater 84, the product F discharged to the discharge table 11 through the heating roller 83 and the film F that is a packaging material for the tray T are heat-sealed under the tray T. . That is, the heating roller 83 has a role as a heating member for heat-sealing the film F.

(1-8) Discharge stand 11
On the front side of the seal mechanism 8, there is provided a discharge table 11 for discharging the tray T in which the commodity G is stored in a completely packaged state. The label issuer 16 affixes the label printed by the label printer 15 to the tray T for which packaging has been completed. Note that the name, weight, price, processing date, expiration date, etc. of the product G are printed on the label.

(1-9) Detection mechanism 12
The detection mechanism 12 mainly detects the presence of an operator who places the product G and the tray T on the measuring instrument of the input mechanism 2 (that is, inputs the product G and the tray T to the input mechanism 2). A human body detection sensor 120 (see FIGS. 3 and 9) as detection means, and a camera 121 (see FIGS. 3 and 9) as imaging means for detecting the size and the like of the tray T placed on the measuring instrument. And a temperature sensor 122 (see FIGS. 8 and 9) as temperature detecting means for contacting the heating roller 83 and detecting the temperature of the outer surface of the heating roller 83. Various types of data detected by the detection mechanism 12 are transmitted to the control device 9.

  The human body detection sensor 120 and the camera 121 are installed on the bottom surface of the discharge table 11 and are arranged above the input mechanism 2. That is, the human body detection sensor 120 and the camera 121 are disposed in the vicinity of the input mechanism 2 and the discharge table 11.

  Specifically, the human body detection sensor 120 includes a light projecting unit (not shown) and a light receiving unit (not shown). The human body detection sensor 120 detects the human body when light reception by the light receiving unit is interrupted. The human body detection sensor 120 detects a human body when light reception by the light receiving unit is interrupted for a predetermined time (for example, 3 seconds). The camera 121 is installed in the vicinity of the human body detection sensor 120. Various types of detection data detected by the detection mechanism 12 are transmitted to the control unit 9b described later.

(2) Control device 9
FIG. 9 is a control block diagram of the control device 9.

  As shown in FIG. 1, the control device 9 is arranged in an upper part of the main body 1a. The control device 9 is composed of a computer and receives each detection signal from the detection mechanism 12 and various switches (the main power switch 17 and the emergency stop switch 18 (see FIG. 1)), and is arranged in the main body 1a. It functions as a control means for controlling the operation of the mechanism. Each mechanism includes a cooling fan (not shown) for cooling various motors (specifically, a film insertion plate driving motor, a film roll driving motor 4d, a folding plate driving motor, and the like), a heater 84, which will be described later. An electricity consuming part that consumes electricity, including the display panel 91 and the like.

  Specifically, as shown in FIG. 9, the control device 9 mainly includes an input / output unit 9a, a control unit 9b, and a storage unit 9c.

(2-1) Input / output unit 9a
The input / output unit 9a mainly includes a display panel 91 and operation keys 92. The display panel 91 is a display unit that displays information such as the name of the product G, the weight of the product G, the price of the product G, and the temperature of the heater 84, and has a backlight. The backlight includes a light emitting element (for example, an LED element), a reflection plate, and a light guide plate. The display panel 91 is a touch panel type, and is provided with operation buttons for accepting operator input. That is, the display panel 91 functions as an input receiving unit that receives an operator's input together with the operation keys 92 configured from a keyboard.

(2-2) Control unit 9b
The control unit 9b includes a CPU and the like, and mainly includes a measurement unit 131, a data reception unit 132, a mode schedule creation unit 133, a learning unit 134, a mode schedule correction unit 135, a mode switching unit 136, and a backup. It functions as an execution unit 137 and a component control unit 138.

(2-2-1) Measuring unit 131
The measurement unit 131 measures time elements such as time, date, month, year, day of the week, and the like. That is, the measurement unit 131 functions as a clock or a calendar.

(2-2-2) Data receiving unit 132
The data reception unit 132 receives various detection data detected by the detection mechanism 12, input data by an operator performed via the input / output unit 9a, transfer data transferred from an external device, and the like. Then, the received various data is stored in a reception database 141 described later.

(2-2-3) Mode schedule reception unit 133
The mode schedule receiving unit 133 receives mode schedule data among the input data input by the operator via the input / output unit 9 a of the control device 9. That is, first, the operator performs initial setting of the mode schedule via the input / output unit 9a. Here, the mode schedule is a schedule in which a time zone for performing various modes and a start time of the time zone are determined.

  Here, the mode includes a normal mode, a first standby mode, and a second standby mode. The first standby mode and the second standby mode are power saving modes in which power consumption is suppressed compared to normal power consumption in the normal mode. Specifically, in the second standby mode, in the normal mode, the previous product G and tray T are discharged to the discharge table 11 for a predetermined time (input by the operator via the input / output unit 9a and stored in the storage unit 9c. This is a power saving mode that is automatically switched from the normal mode when the next product G and tray T are not ejected even after the stored arbitrary value) elapses. The first standby mode refers to a power saving mode that suppresses power consumption more than the second standby mode. Control in the first standby mode and the second standby mode will be described later. Here, the normal mode refers to a normal mode that is not a power saving mode such as the first standby mode or the second standby mode.

  Since the second standby mode is a mode that is automatically switched, in the initial setting of the mode schedule, the normal mode time zone for performing the normal mode, the normal mode start time for starting the normal mode time zone, and the first standby mode The first standby mode time zone for performing the first standby mode start time and the first standby mode start time for starting the first standby mode time zone (that is, the mode schedule for the normal mode and the first standby mode) are set. The mode schedule accepted by the mode schedule accepting unit 133 is stored in a mode schedule database 142 described later.

(2-2-4) Learning unit 134
The learning unit 134 learns the relationship between time and time zone and the detection result by the human body detection sensor 120. Specifically, the data of the time element measured by the measuring unit 131 (and thus the data of the time zone calculated based on this) and the detection data by the human body detection sensor 120 stored in the reception database 141 are read. Thus, the relationship between the time and the time zone and the insertion / non-input of the product G and the tray T into the input mechanism 2 by the operator is learned. That is, since the human body detection sensor 120 detects an operator located near the loading mechanism 2 in order to load the product G and the tray T into the loading mechanism 2, the learning unit 134 detects the human body detection sensor 120. By associating the data with the data of the time element, the worker can learn the time and the time zone when the product G and the tray T are inserted into the input mechanism 2 or not.

  More specifically, for example, the learning unit 134 determines that the worker can purchase the product G for a predetermined time (for example, one day) between about 9:00 to 12:00 and 13: 0 to 16:00. And the tray T is loaded, and the worker learns that the merchandise G and the tray T are not loaded between the time 12:00 and 13:00. Here, the data in which the temporal element data and the detection data by the human body detection sensor 120 are associated by the learning unit 134 are referred to as related data. The related data is stored in a related database 143 described later.

(2-2-5) Mode schedule correction unit 135
Based on the learning by the learning unit 134 (specifically, by reading related data stored in the related database 144), the mode schedule correcting unit 135 is set to a mode schedule database every predetermined time (for example, one day). The mode schedule stored in 142 is modified. Then, the modified mode schedule is stored in the mode schedule database 142 as the latest mode schedule. That is, the mode schedule correction unit 135 has a function of creating the latest mode schedule. Therefore, the mode schedule correcting unit 135 can correct the mode schedule to the worker's input work as the learning by the learning unit 134 increases (as the related data is accumulated in the related database 143). .

  Specifically, the mode schedule correction unit 135 corrects the normal mode time zone and the normal mode start time, and the first standby mode time zone and the first standby mode start time. For example, if the learning unit 134 learns the schedule as in the above example, the mode schedule correction unit 135 enters the first standby mode as soon as power is turned on, and starts at 9:00 to 12:00, 13: 00 to 16:00 is a normal mode time zone (9:00 and 13:00 are normal mode start times), and the first standby mode time zone is from 12:00 to 13:00, 16:00:00 until the power is turned off. A mode schedule is created such that (12:00, 16:00 is the first standby mode start time).

(2-2-6) Mode switching unit 136
The mode switching unit 136 switches between the normal mode, the first standby mode, and the second standby mode. The mode switching operation by the mode switching unit 136 will be described later.

(2-2-7) Backup execution unit 137
The backup execution unit 137 executes backup in the first standby mode and the second standby mode.

  The execution of the backup is an operation that places at least a load on the stretch wrapping apparatus 1. Therefore, the backup execution unit 137 performs the backup work during the first standby mode and the second standby mode in which the worker is not performing the input work.

  Specific examples of data to be backed up include the following.

  First, data such as the travel distance of the label printer 15, the number of times of packaging (the time from when the product G and the tray T are inserted until the packaging is completed once), error logs, and the like. By backing up these data, the maintenance timing can be determined.

  Next, various data printed on the label (name, weight, price, processing date, etc. of the product G described above). By backing up the data, it is possible to know when the date printed on the label has deviated from the actual value.

  In addition, based on various data printed on the label, the control section 9b sums the prices of the products G, whereby the production performance can be calculated. Then, an approximate sales performance can be calculated by subtracting the disposal performance (total amount of discarded products G) from the production performance. This can contribute to sales analysis at each store.

  Next, it is master data (product master, tray master, etc.) which is basic data for setting up the stretch wrapping apparatus 1. The product master and the tray master are linked and can call a tray T corresponding to a certain product G. The master data can be updated at any time. By backing up the master data, in the unlikely event that the stretch wrapping apparatus 1 fails, it can be set to the master data backed up last time. That is, it is possible to return to the latest setting data.

(2-2-8) Component control unit 138
The component control unit 138 controls a plurality of electricity consuming components.

(2-3) Storage unit 9c
The storage unit 9c includes a RAM, a ROM, and the like. The storage unit 9c mainly includes a reception database 141, a mode schedule database 142, and a related database 143.

(2-3-1) Reception database 141
The reception database 141 stores detection data by the detection mechanism 12 and other various sensors, input data input by an operator via the input / output unit 9a, transfer data transferred from an external device, and the like.

(2-3-2) Mode schedule database 142
The mode schedule database 142 stores the mode schedule described above. Note that the mode schedule database 142 always stores the latest mode schedule.

(2-3-3) Related database 143
The related database 143 stores the related data.

(2-4) Mode Schedule Creation Operation in Control Device 9 FIG. 10 is a flowchart showing a mode schedule creation operation in the control device 9. The mode schedule creation operation will be described below with reference to FIG.

  First, in step S1, the mode schedule receiving unit 133 receives the mode schedule as described above. Then, the mode schedule reception unit 133 stores the received mode schedule in the mode schedule database 142.

  In step S2, the learning unit 134 performs the above learning.

  In step S <b> 3, the mode schedule correction unit 135 corrects the mode schedule stored in the mode schedule database 142 based on learning by the learning unit 134. Then, the modified mode schedule is stored in the mode schedule database 142 as the latest mode schedule.

  As described above, the latest mode schedule, that is, the normal mode time zone, the normal mode start time, the first standby mode time zone, and the first standby mode start time are determined.

(2-5) Switching Operation by Mode Switching Unit 136 FIGS. 11 and 12 are flowcharts showing the operation of the stretch wrapping apparatus 1 after the power is turned on. Hereinafter, operation | movement of the stretch wrapping apparatus 1 is demonstrated using FIG.11 and FIG.12.

  First, in step S11, the stretch packaging apparatus 1 is turned on. That is, the main power switch 17 is pressed.

  In step S12, the value t1 obtained by subtracting the current time measured by the measurement unit 131 from the normal mode start time at which the mode switching unit 136 starts the normal mode time zone is set to a predetermined time ta (input of the control device 9 by the operator). It is determined whether or not (any value input via the output unit 9a) or less (t1 ≦ ta).

  Specifically, for example, when the normal mode time zone is set to 9:00 to 12:00 in the mode schedule and the current time is 8:45, the mode switching unit 136 sets the 9:00 It is determined whether 15 minutes obtained by subtracting 8:45 is equal to or less than the predetermined time ta. If it is determined that t1 ≦ ta, the process proceeds to step S13. On the other hand, if it is determined that t1 ≦ ta is not satisfied, step S14 is executed.

  Here, it is determined whether it is within a predetermined time until the normal mode start time or whether the normal mode start time has passed.

  In step S13, the component control unit 138 controls the output of the heater 84 so that the temperature of the heating roller 83 approaches the normal temperature (eg, 130 ° C.) in the normal mode (specifically, the output of the heater 84 is changed). increase). Specifically, the output of the heater 84 is increased so that the temperature of the heating roller 83 becomes a predetermined temperature (for example, 110 ° C.). That is, here, by raising the output of the heater 84 before the predetermined time ta before the normal mode start time, the temperature of the heating roller 83 is raised to a temperature close to the normal temperature during the time when the worker is expected to perform the input work. be able to. Therefore, the use of the stretching apparatus 1 can be started quickly.

  Here, the predetermined time ta is a time during which the temperature of the heating roller 83 can be brought close to the normal temperature at the normal mode start time by controlling the output of the heater 84.

  In step S14, the mode switching unit 136 executes the mode according to the mode schedule. That is, since the first standby mode time zone is reached until the normal mode time zone, the mode switching unit 136 executes the first standby mode. Here, since it is considered that there is still time until the normal mode start time, the first standby mode in which power consumption can be suppressed is performed. Therefore, it can contribute to energy saving.

  In the first standby mode, the component control unit 138 stops output of the motor for driving the cooling fan and the backlight of the display panel 91, and the temperature of the heating roller 83 becomes the first temperature (for example, 10 ° C.). Thus, the output of the heater 84 is controlled. That is, the component control unit 138 functions as a drive unit control unit that controls a drive unit that drives the cooling fan and a display unit control unit that controls output to the display panel 91.

  In step S <b> 15, the mode switching unit 136 determines whether or not an operator is detected by the human body detection sensor 120. When it determines with having detected, it transfers to step S16, and on the other hand, when determining with having not detected, it waits until an operator is detected.

  In step S <b> 16, the component control unit 138 increases the output to the backlight, and the mode switching unit 136 determines whether the start button arranged on the display panel 91 has been pressed. The start button is a button for starting the normal mode or canceling the currently executed mode and switching to the normal mode, and is arranged on the display panel 91 or the operation key 92.

  Note that when the start button of the display panel 91 is pressed by the operator, the data receiving unit 132 receives the input data. The mode switching unit 136 determines that the start button has been pressed by receiving the input data, and executes the normal mode (step S17). That is, the component control unit 138 starts output to the motor for driving the cooling fan, and controls the output of the heater 84 so that the temperature of the heating roller 83 becomes the normal temperature. When switching from the second standby mode to the normal mode, the component control unit 138 starts output to the backlight of the display panel 91 simultaneously with the switching.

  On the other hand, if it is determined that the start button has not been pressed, the process waits until the start button is pressed.

  In step S18, the mode switching unit 136 inputs a value t1 obtained by subtracting the current time from the normal mode start time at which the normal mode time period starts, through a predetermined time ta (by the operator via the input / output unit 9a of the control device 9). Whether or not (t1 ≦ ta) or less.

  When it determines with it being t1 <= ta, it transfers to step S13. When it determines with it not being t1 <= ta, it transfers to step S19.

  In step S19, the mode switching unit 136 determines whether or not an operator has been detected. When it determines with having detected, it transfers to step S20 and raises the output of the heater 84 similarly to step S13. Then, the process proceeds to step S16. On the other hand, when it determines with not having been detected, it transfers to step S12.

  When the normal mode is executed in step S17, the process proceeds to step S21.

  In step S21, the mode switching unit 136 determines whether or not the current time is the first standby mode start time. If it is determined that it has become, the process proceeds to step S14 to execute the first standby mode. If an operator is detected and the start button is not pressed, the first standby mode is performed until a predetermined time ta before the normal mode start time.

  On the other hand, when it is determined that the first standby mode start time is not reached, the process proceeds to step S22.

  In step S22, the mode switching unit 136 inputs an elapse time t2 from when the previous product G and tray T were discharged to the discharge table 11 for a predetermined time tb (by the operator via the input / output unit 9a and stored). It is determined whether or not (any value stored in the part 9c) or more (t2 ≧ tb). When it determines with it being t2> = tb, it transfers to step S23 and performs 2nd standby mode. On the other hand, when it is determined that t2 ≧ tb does not hold, the normal mode is maintained.

  Here, in the second standby mode, the component control unit 138 stops the output of the motor for driving the cooling fan and the backlight of the display panel 91, and the temperature of the heating roller 83 is set to the second temperature (for example, The output of the heater 84 is controlled to be 110 ° C.

  In step S24, the mode switching unit 136 determines whether or not an operator has been detected. When it determines with having detected, it transfers to step S17 and performs normal mode. On the other hand, when it determines with not having been detected, it transfers to step S25.

  In step S25, the mode switching unit 136 determines whether or not the current time has reached the first standby mode start time. If it is determined that it has become, the process proceeds to step S14 to execute the first standby mode. If it is determined that it is not, the process proceeds to step S23 to maintain the second standby mode.

  The series of operations described above is performed until the power is turned off.

(3) Overall Schematic Operation of Stretch Wrapping Device 1 FIGS. 13 to 17 are explanatory diagrams for explaining the operation of the stretch wrapping device 1.

  Hereinafter, operation | movement of the stretch wrapping apparatus 1 which has the above structures is demonstrated using FIGS. Note that the following driving operation is performed by the control device 9.

  First, as shown in FIG. 13, when the operator places the tray T containing the product G on the measuring device of the input mechanism 2, the carry-in belt starts moving after the measurement value is stabilized and the measurement is completed. According to the movement of the carry-in belt, the protrusion fixed to the carry-in belt moves from the front side to the back side. Thereby, the commodity G placed on the measuring instrument is pushed out onto the support member 33 of the lifter mechanism 30 (see FIG. 14).

  On the other hand, the film F transferred from the film roll R to the film transport mechanism 6 by the film delivery mechanism 5 is carried to the upper side of the lifter mechanism 30 by the first feeder unit 61 and the second feeder unit 62. Then, above the lifter mechanism 30, both sides in the width direction of the film F are gripped by the operation of each clamp.

  Then, the ball screw mechanism 34 pushes up the lifter mechanism 30 on which the tray T containing the product G is loaded with respect to the film F held by each clamp (see FIG. 15). Thereby, the film F held by each clamp extends so as to cover the top of the product G and the tray T.

  In this state, when the rear folding plate 78 and the left and right folding plates 76 and 77 move horizontally to the lower side of the tray T, each clamp releases the holding of the film F at an appropriate timing, and the three sides around the film F are placed on the tray. It is folded under T (see FIG. 16). When the discharge pusher 79a pushes out the tray T toward the seal mechanism 8, one side of the film F on the front side that has not been folded hits the front folding bar 79, and the tray T is moved in accordance with the movement of the tray T toward the seal mechanism 8. It will be folded into the lower side. Note that the front-side clamp releases the film F at this time. Further, during this movement, when the film F folded under the tray T is heat-sealed by the heating roller 83 and discharged to the position shown in FIG. 17 (when discharged to the discharge table 11), The product G and the entire tray T are covered with the film F, and the packaging is completed.

  Further, the price, weight, etc. of the product calculated based on the measured value are printed on the label by the label printer 15. Then, the label is attached to the tray T whose packaging has been completed by the label issuing machine 16.

(4) Features (4-1)
In the stretch wrapping apparatus 1 of the present embodiment, the loading mechanism 2 into which a product to be packaged such as the product G and the tray T packaged by the film F as a packaging material is loaded, and the loaded product G and the tray T are used. A human body detection sensor 120 is disposed in the vicinity of the discharge table 11 for packaging and discharging with the film F. The human body detection sensor 120 detects the presence of an operator who inputs the product G and the tray T into the input mechanism 2.

  And in the stretch packaging apparatus 1 of this embodiment, there exist normal mode and the 1st standby mode which is a power saving mode which suppresses power consumption larger than normal mode.

  In the present embodiment, the learning unit 134 learns the relationship between time and the detection result by the human body detection sensor 120. Then, based on the learning by the learning unit 134, the mode schedule correction unit 135 determines a mode schedule, that is, a first standby mode time zone for performing the first standby mode and a first standby mode start time.

  Then, based on the mode schedule, the mode switching unit 136 switches the plurality of modes.

  Here, when the learning unit 134 learns the relationship between the time and the detection result by the human body detection sensor 120, the mode schedule correction unit 135 switches between the normal mode and the power saving mode according to the worker's input work. Mode schedule can be determined.

  Therefore, the first standby mode in which power consumption can be largely suppressed compared to the normal power in the normal mode can be performed in a time zone in which the worker does not perform the input work. Therefore, power consumption can be reduced, contributing to energy saving and cost saving.

(4-2)
In the present embodiment, a heating roller 83 for heat sealing the film F that wraps the product G and the tray T is disposed in the vicinity of the discharge table 11. The heating roller 83 is heated by a heater 84 that is a heating unit for heating the heating roller 83.

  Then, in the first standby mode, the component control unit 138 causes the temperature of the heating roller 83 to be a first temperature (eg, 10 ° C.) that is lower than the normal temperature (eg, 130 ° C.). The heater 84 is controlled so that the temperature of the heating roller 83 becomes a second temperature (for example, 110 ° C.) higher than the first temperature and lower than the normal temperature.

  In the stretch wrapping apparatus, the power consumption of the heater is said to occupy about 80 to 90% of the total power consumption. Therefore, power consumption can be reduced by suppressing the output of the heater 84 to be larger than that in the normal mode in the first standby mode in which the worker does not perform work.

(4-3)
In the present embodiment, the component control unit 138 controls the temperature of the heating roller 83 to approach the normal temperature from the first temperature before a predetermined time before the first standby mode time period ends.

  Here, according to the mode schedule, after the first standby mode time period ends, the normal mode is started. Therefore, by controlling the heater 84 in accordance with the time zone in which the worker is expected to perform the loading operation, the temperature of the heating roller 83 is reduced to a temperature close to the normal temperature during the time when the worker is thought to perform the loading operation. Can be raised. For example, from 12:00 to 13:00, when there is an operator schedule such as entering a lunch break, the stretch wrapping apparatus 1 is started up until the worker who has returned from the lunch break works. Can be done quickly. Therefore, use of the stretch wrapping apparatus 1 can be accelerated.

  In the present embodiment, control is performed so that the temperature of the heating roller 83 approaches the normal temperature from the first temperature from a predetermined time before the normal mode time zone. This also produces the same effect as described above.

(4-4)
Depending on the circumstances of the worker, it is considered that there is a time when the input work is not temporarily performed.

  Therefore, in the present embodiment, the mode switching unit 136 performs the normal operation when the next product G and the tray T are not discharged even after a predetermined time tb has elapsed since the previous product G and the tray T were discharged in the normal mode. Switch from mode to first standby mode.

  Thereby, the power consumption while the worker does not perform the input work temporarily can also be reduced.

(4-5)
In the present embodiment, the input / output unit 9a receives an input as to whether or not to shift to the normal mode when the human body detection sensor 120 detects the presence of an operator in the first standby mode. When the input / output unit 9a receives the input, the mode switching unit 136 switches the first standby mode to the normal mode.

  Here, for example, even if the mode schedule (first standby mode time zone or first standby mode start time) is determined, it is conceivable that the worker performs the input work during the time zone. Even in this case, the input operation can be started by receiving the input of the shift to the normal mode. On the other hand, in the first standby mode, an operator stands in the vicinity of the stretch wrapping apparatus 1, and even if the human body detection sensor 120 detects the worker, unless an input through the input / output unit 9a is accepted, Do not switch to normal mode. Thereby, it can contribute to reduction of power consumption.

(4-6)
Execution of backup is at least a burden on the stretch wrapping apparatus. For this reason, there is a concern that the work efficiency of the worker will be affected.

  Therefore, in the present embodiment, the backup execution unit 137 executes backup in the first standby mode and the second standby mode in which the worker is not performing the input work. Thereby, an operator's work efficiency can be maintained.

(4-7)
In the present embodiment, various modes are switched by the mode switching unit 136 after the power is turned on until the power is turned off. Therefore, for example, in a store where the power of the stretch wrapping apparatus 1 is desired to remain on throughout the day, it is useful because the above-described control can reduce power consumption during a time when the worker does not work. It is.

(5) Modifications While the embodiment of the present invention has been described with reference to the drawings, the specific configuration is not limited to the above-described embodiment, and can be changed without departing from the gist of the invention. .

(5-1) Modification 1A
In the above embodiment, the human body detection sensor 120 has been described as being disposed in the vicinity of the input mechanism 2 and the discharge table 11, but it is only necessary to be disposed in the vicinity of the input mechanism 2 or the discharge table 11.

(5-2) Modification 1B
In the above-described embodiment, it has been described that the mode schedule is initially set by the worker. However, the initial setting may not be performed. For example, the mode schedule correction unit 135 creates a mode schedule for the next day and after the learning unit 134 uses the human body detection sensor 120 to learn a time period during which a certain day of input work is performed. May be.

(5-3) Modification 1C
In the above embodiment, it has been described that the mode includes the normal mode, the first standby mode, and the second standby mode. However, the mode is not limited to this, and a power saving mode such as the first standby mode is used. May increase. That is, you may increase the mode which makes power consumption the predetermined power in steps. For example, in the third standby mode, the temperature of the heating roller 83 becomes the third temperature (for example, 90 ° C.), and in the fourth standby mode, the temperature of the heating roller 83 becomes the fourth temperature (for example, 70 ° C.). As described above, in the fifth standby mode, the component control unit 138 may control the output of the heater 84 so that the temperature of the heating roller 83 becomes the fifth temperature (for example, 50 ° C.).

(5-4) Modification 1D
In the above embodiment, in the first standby mode, the component control unit 138 has been described as controlling the output to the heater 84 so that the temperature of the heating roller 83 becomes the first temperature (for example, 10 ° C.). The temperature is not limited, and may be lower than the second temperature (for example, 110 ° C.) in the second standby mode. Therefore, for example, the output to the heater 84 may be stopped (that is, the temperature of the heating roller 83 may be controlled to be 0 ° C.).

(5-5) Modification 1E
In the normal mode of the above embodiment, when the operator inputs to the control device 9, the product G and the tray T placed on the loading mechanism 2 or the lifter mechanism 30 are manually moved to the next step (only the next step). Instead, a transition manual control for shifting to subsequent steps may be performed.

  In this case, the mode switching unit 136 does not switch the normal mode to the first standby mode when the product G and the tray T are placed on the loading mechanism 2 or the lifter mechanism 30. In this case, the control device 9 can grasp that the commodity G and the tray T are placed on the charging mechanism 2 or the lifter mechanism 30 by setting a flag or the like.

  Here, for example, in the case where the state where the product and the tray remain on the charging mechanism and the lifter mechanism is maintained in the transition manual control (that is, the operator forgets that the product and the tray are placed, the stretch packaging device When the first standby mode (that is, the state where the temperature of the heating roller is relatively lower than the normal temperature) is entered in the case of being away from the operation), an operation for entering the next and subsequent steps is performed (work is resumed) )), There is a concern that some products with poor film adhesion to goods and trays may come out. Therefore, in order to avoid such a situation, when the product G and the tray T are placed on the loading mechanism 2 or the lifter mechanism 30, the normal mode is not switched to the first standby mode. The weldability of the film F to T can be maintained.

(5-6) Modification 1F
In the stretch wrapping apparatus, it is preferable that the operator can be informed of ON / OFF of the power source, the current mode state, and the like in order to ensure safety. On the other hand, from the viewpoint of energy saving, there is a demand for reducing unnecessary power when the worker is not working.

  Therefore, in the above embodiment, output to the backlight of the display panel 91 is stopped in the first standby mode. For example, in the first standby mode (that is, in the state where the presence of the worker is not detected) Output to the backlight of the display panel 91 may be stopped only when the stop switch 18 is being pressed (that is, in an emergency stop state).

  In the emergency stop state, the electric consumption parts other than the backlight of the display panel 91 are in a stopped state, and thus the safety that the stretch wrapping apparatus 1 does not operate can be secured. Therefore, only when the safety is ensured and when the presence of the worker is not detected by the human body detection sensor 120, the output to the backlight of the display panel 91 is stopped to meet the above-described demand. be able to.

(5-7) Modification 1G
In addition to the above embodiment, in the first standby mode and the second standby mode, the output to the motor that drives the label printer 15 may be stopped (specifically, no hold current flows).

(5-8) Modification 1H
In the above embodiment, it has been described that the component control unit 138 increases the output of the heater 84 in step S13 and then increases the output to the backlight in step S15. However, the output of the heater 84 increases the output of the backlight. May be at the same time as raising

(5-9) Modification 1I
In the above embodiment, it has been described that the backup work is performed during the first standby mode and the second standby mode. However, other work may be performed in the first standby mode and the second standby mode.

  As other work, for example, data (backup data, etc.) communication with an external device (for example, a host system such as a remote monitoring device) can be considered. The work is considered to be a burdensome work for the stretch wrapping apparatus 1 like the backup work, but by performing the work during the first standby mode and the second standby mode in which the worker is not performing the loading work. The work efficiency of the worker can be maintained.

(5-10) Modification 1J
In the above embodiment, the mode schedule is corrected every day and the mode schedule for the next day is determined based on the mode schedule. However, the present invention is not limited to this. For example, if the learning unit 134 learns that the worker is working on a certain day based on a predetermined schedule, the mode schedule correction unit 135 determines a mode schedule based on the learning for the day of the week. May be.

(5-11) Modification 1K
In the above-described embodiment, it has been described that when the presence of the worker is detected by the human body detection sensor 120 in the first standby mode and the start button is pressed, the mode is shifted to the normal mode. However, it is not limited to this.

  For example, when the emergency stop switch 18 is being pressed and the mode is shifted to the first standby mode, it is determined whether or not the emergency stop state has been released. You may move to.

(5-12) Modification 1L
In the above-described embodiment, it has been described that the normal mode is executed when the start button arranged on the display panel 91 or the operation key 92 is pressed. However, the present invention is not limited to this, and the start button is not limited to the stretch packaging device 1. The main body 1a may be disposed anywhere.

Second Embodiment
Subsequently, a second embodiment of the present invention will be described.

  In the first embodiment, the learning unit 134 learns the detection result of the human body detection sensor 120. The mode switching unit 136 switches between the normal mode and the first standby mode based on the mode schedule created by the mode schedule correction unit 135 based on the learning. On the other hand, briefly describing the second embodiment, based on the detection result of the human body detection sensor 120, the mode switching unit 136 switches between the normal mode and the standby mode, which is an energy saving mode that suppresses power consumption more than the normal mode. Yes. Hereinafter, the control of the second embodiment will be described.

(1) Mode Switching Using Human Body Detection Sensor 120 FIG. 18 is a flowchart showing a mode switching operation by the mode switching unit 136.

  In the second embodiment, first, power is turned on in step S111. In step S112, it is determined whether or not the presence of the worker who performs the input work is detected by the human body detection sensor 120. When it determines with having detected, it transfers to step S113 and performs normal mode. On the other hand, if it is determined that it is not detected, the standby mode is performed.

  In this standby mode, the component control unit 138 performs the same control as in the first embodiment, but the output of the heater 84 is set so that the temperature of the heating roller 83 becomes a predetermined temperature (for example, 110 ° C.). To control. This is because, for example, when an operator who has stopped performing the input operation resumes the input operation, the stretch wrapping apparatus 1 can be started up quickly.

(2) Features In the second embodiment, the mode switching unit 136 switches between the normal mode and the standby mode based on the detection result by the human body detection sensor 120. Specifically, when the presence of the worker is not detected by the human body detection sensor 120, the standby mode that is an energy saving mode is performed, and when the presence of the worker is detected by the human body detection sensor 120, the normal mode is performed. .

  Here, since the human body detection sensor 120 can detect the presence / absence of the worker who performs the input work, control is performed utilizing this. Thereby, since the power consumption when the worker does not perform the input work can be suppressed, it contributes to energy saving and cost saving.

(3) Modified Example In the above embodiment, it has been described that the output of the heater 84 is controlled so that the temperature of the heating roller 83 in the standby mode becomes a predetermined temperature (for example, 110 ° C.), but is not limited thereto. The predetermined temperature may be lower than that. For example, when the operator uses the stretch wrapping apparatus 1 frequently, the power consumption can be reduced by reducing the output of the heater 84 relatively large when the presence of the worker is not detected by the human body detection sensor 120. And contribute to cost savings.

  INDUSTRIAL APPLICABILITY The present invention can be variously applied to a packaging device, in particular, a stretch packaging device having a stretch function for pressing an object to be packaged on a tension-held film.

1 Stretch packaging device 2 Input mechanism (packaging input part)
9 Control device 9a Input / output unit (input receiving unit, display means)
9b Control unit 11 Discharge stand (packed product discharge unit)
30 Lifter mechanism (elevating part)
83 Heating roller (heating member)
84 Heater (heating means)
91 Display panel 120 Human body detection sensor (human body detection means)
134 Learning unit 135 Mode schedule correction unit 136 Mode switching unit 137 Backup execution unit 138 Parts control unit (heating unit control unit, display unit control unit)
F film (packaging material)
G Product (packaged item)
T tray (packaged items)

JP-A-11-79138

Claims (9)

A package input unit into which the package is input;
A to-be-packaged product discharging part to be discharged in a state where the to-be-packaged product is packaged,
A plurality of electrical consumption parts for packaging and discharging the input packaged goods;
A control unit for controlling the electric consumer parts;
With
Above the package input unit , there is a human body detecting means that has a light projecting unit and a light receiving unit and detects the presence of a person who inputs the package when the light reception by the light receiving unit is interrupted. Arranged,
The controller is
A mode switching unit that switches between a normal mode and a first standby mode that consumes less power than the normal mode, based on a detection result by the human body detection unit ;
A learning unit for learning a relationship between a time zone and a detection result by the human body detection unit;
A determination unit that determines a first standby mode time zone for performing the first standby mode based on learning by the learning unit;
Having
Stretch packaging device. The learning unit learns a time zone in which the person puts the packaged item into the packaged item loading unit and a time zone in which the person does not put the packaged item into the packaged item loading unit. ,
The stretch wrapping apparatus according to claim 1. A heating member disposed in the vicinity of the packaged article discharge unit, and further heat-sealing the packaging material of the packaged article;
The plurality of electric consumption parts include a heating means for heating the heating member,
The control unit further includes a heating unit control unit that controls the heating unit,
The mode switching unit further switches to a second standby mode that suppresses power consumption than the normal mode and suppresses power consumption than the first standby mode;
The heating means control section controls the heating means so that the temperature of the heating member is a first temperature lower than the normal temperature in the normal mode in the first standby mode, and in the second standby mode. Controlling the heating means so that the temperature of the heating member is a second temperature higher than the first temperature and lower than the normal temperature;
The stretch wrapping apparatus according to claim 1 or 2 . The heating means controller controls the heating means so that the temperature of the heating member approaches the normal temperature from the first temperature before a predetermined time when the first standby mode time period ends.
The stretch wrapping apparatus according to claim 3. The mode switching unit switches from the normal mode to the second standby mode when the next package is not discharged even if a predetermined time elapses after the previous package is discharged in the normal mode.
The stretch wrapping apparatus according to claim 3. An input receiving unit for receiving an input as to whether or not to shift to the normal mode when the human body detecting unit detects the presence of a person in the first standby mode;
The mode switching unit switches the first standby mode to the normal mode when the input receiving unit receives an input of transition to the normal mode;
The stretch wrapping apparatus according to any one of claims 1 to 5. An elevating part for raising and lowering the article to be packaged that has been put into the article to be packaged up and down in a packaging space adjacent to the article to be packaged;
The normal mode includes a transfer manual control for manually shifting the packaged object placed on the packaged object charging unit or the lifting unit to the next step,
The mode switching unit performs the transition manual control in the normal mode, and sets the normal mode to the first standby when the package is placed on the package input unit or the lift unit. Do not switch to mode,
The stretch packaging apparatus of any one of Claims 1-6. The plurality of electric consumption parts include at least display means for displaying information on the packaged items,
The control unit further includes a display unit control unit that controls output to the display unit,
The display means control unit stops output to the display means when an emergency stop state occurs in the first standby mode.
The stretch wrapping apparatus according to any one of claims 1 to 7. A backup execution unit that performs backup in the first standby mode or the second standby mode;
The stretch wrapping apparatus according to any one of claims 3 to 5.

Images