JP2013212866A - Vacuum packaging machine - Google Patents

Vacuum packaging machine Download PDF

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Publication number
JP2013212866A
JP2013212866A JP2012084497A JP2012084497A JP2013212866A JP 2013212866 A JP2013212866 A JP 2013212866A JP 2012084497 A JP2012084497 A JP 2012084497A JP 2012084497 A JP2012084497 A JP 2012084497A JP 2013212866 A JP2013212866 A JP 2013212866A
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Japan
Prior art keywords
heater
time
heater wire
energization time
vacuum
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Pending
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JP2012084497A
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Japanese (ja)
Inventor
Katsutoshi Kimura
勝敏 木村
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Furukawa Mfg Co Ltd
Furukawa Seisakusho Co Ltd
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Furukawa Mfg Co Ltd
Furukawa Seisakusho Co Ltd
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Priority to JP2012084497A priority Critical patent/JP2013212866A/en
Publication of JP2013212866A publication Critical patent/JP2013212866A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/001—Joining in special atmospheres
    • B29C66/0012—Joining in special atmospheres characterised by the type of environment
    • B29C66/0014—Gaseous environments
    • B29C66/00145—Vacuum, e.g. partial vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
    • B29C65/223—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire comprising several heated wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7879—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined said parts to be joined moving in a closed path, e.g. a rectangular path
    • B29C65/7882—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined said parts to be joined moving in a closed path, e.g. a rectangular path said parts to be joined moving in a circular path
    • B29C65/7885—Rotary turret joining machines, i.e. having several joining tools moving around an axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/944—Measuring or controlling the joining process by measuring or controlling the time by controlling or regulating the time

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Vacuum Packaging (AREA)
  • Package Closures (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent a variation of the sealing finish of each seal device according to a situation of a heater wire of the seal device, and to perform stable sealing.SOLUTION: A plurality of vacuum chambers 51 are mounted around a vacuum table 12, and seal devices are installed in the vacuum chambers 51. A heater wire 56 is installed in each of heater devices of the seal devices. A heater wire energization time change means capable of setting an energization time corresponding to a state of each heater wire 56 is installed. The heater wire energization time change means includes: a storage medium 38C storing the energization time to the heater wires; a change means for rewriting and changing a memory stored in the storage medium 38C; and an output control part 37F performing operation so that an electric current flows in the heater wires 56 in accordance with the energization time to the heater wires 56 stored in the storage medium 38C.

Description

本発明は、回転するテーブルの周囲に複数の真空チャンバーを装備し、当該真空チャンバーの真空室内に、被包装物を充填した包装袋を収容して真空状態でシールする真空包装機において、被包装物を充填した真空室内の包装袋のシール時間を個別に設定可能な真空包装機に関する。 The present invention relates to a vacuum packaging machine equipped with a plurality of vacuum chambers around a rotating table, in which a packaging bag filled with an object to be packaged is stored in a vacuum chamber of the vacuum chamber and sealed in a vacuum state. The present invention relates to a vacuum packaging machine capable of individually setting the sealing time of a packaging bag in a vacuum chamber filled with a product.

図２に示すように、真空包装機１０は、充填テーブル側機構１０Ａと真空テーブル側機構１０Ｂとを隣接させて構成されている。前記充填テーブル側機構１０Ａでは、回転する充填テーブルに備えられたクランプに、給袋装置から包装袋１１が供給され（Ａ１）、続いて前記包装袋１１は充填テーブルの回転により移送されながら、印字機により印字され（Ａ２）、袋口が開口装置により開口され（Ａ３）、被包装物が充填され（Ａ４）、受渡し装置に挟持され（Ａ７）、真空テーブル側へ受け渡される。 As shown in FIG. 2, the vacuum packaging machine 10 is configured with a filling table side mechanism 10A and a vacuum table side mechanism 10B adjacent to each other. In the filling table side mechanism 10A, the packaging bag 11 is supplied from the bag feeder (A1) to the clamp provided in the rotating filling table (A1), and then the packaging bag 11 is printed while being transferred by the rotation of the filling table. Printing is performed by the machine (A2), the bag mouth is opened by the opening device (A3), the article to be packaged is filled (A4), sandwiched by the delivery device (A7), and delivered to the vacuum table side.

真空テーブル側機構１０Ｂでは、包装袋１１が、回転する真空テーブル１２に備えられた複数の真空チャンバー５１内のチャックに前記受渡し装置から受け渡され（Ｂ１）、真空チャンバー５１の蓋が閉じられ（Ｂ２）、所定圧まで真空引きされ（Ｂ３）、シール装置により袋口が熱シールされ（Ｂ４）、真空チャンバー５１内が大気圧に戻されると同時に蓋が開かれ（Ｂ５）、チャックから開放されてコンベアにより排出される（Ｂ６）。 In the vacuum table side mechanism 10B, the packaging bag 11 is delivered from the delivery device to the chucks in the plurality of vacuum chambers 51 provided in the rotating vacuum table 12 (B1), and the lid of the vacuum chamber 51 is closed ( B2), evacuated to a predetermined pressure (B3), the bag mouth is heat-sealed by a sealing device (B4), the inside of the vacuum chamber 51 is returned to atmospheric pressure, and at the same time, the lid is opened (B5) and released from the chuck. Are discharged by the conveyor (B6).

図３は前記真空チャンバー５１の断面図である。この図３に示すように、前記真空チャンバー５１に備えられた前記シール装置５２は、シリンダ５３で進退するシール台５４と当該シール台５４に対向する位置に設けられたヒーター装置５５とからなる。当該ヒーター装置５５は、前記シール台５４との対向面に、ヒーター線５６が備えられ、当該ヒーター線５６は、後述するように前記真空テーブル側機構１０Ｂの前記真空テーブル１２に同心に備えられた配電装置１３（図２参照）に、それぞれリード線５７を介して接続（図６参照）されている。 FIG. 3 is a sectional view of the vacuum chamber 51. As shown in FIG. 3, the sealing device 52 provided in the vacuum chamber 51 includes a sealing base 54 that moves forward and backward by a cylinder 53 and a heater device 55 that is provided at a position facing the sealing base 54. The heater device 55 is provided with a heater wire 56 on a surface facing the seal base 54, and the heater wire 56 is provided concentrically with the vacuum table 12 of the vacuum table side mechanism 10B as will be described later. Each power distribution device 13 (see FIG. 2) is connected to each other via a lead wire 57 (see FIG. 6).

図６は前記配電装置１３の斜視図である。この図６に示すように、前記配電装置１３は、前記真空テーブル１２に同心に固定された円盤１４と、当該円盤１４の中央部上面に配置されたリング状端子２８と、当該リング状端子２８に摺接する内周側のブラシ３３と、前記円盤１４の外周面に等間隔に配置された複数個の短冊状の独立端子２９と、前記独立端子２９に摺接する外周側のブラシ３４とからなる。前記ブラシ３３，３４は電源３１に接続しているが、当該電源３１と外周側のブラシ３４の間には開閉器３５が設けられており、この開閉器３５は制御器３６で制御される。当該制御器３６はシール時間を記憶すると共に、通電時間を制御する。また、前記各々の真空チャンバー５１内に備え付けられたヒーター装置５５のヒーター線５６は、前記リング状端子２８と対応する独立端子２９とに、前記リード線５７を介して繋がっている。 FIG. 6 is a perspective view of the power distribution device 13. As shown in FIG. 6, the power distribution device 13 includes a disk 14 concentrically fixed to the vacuum table 12, a ring-shaped terminal 28 disposed on the upper surface of the center of the disk 14, and the ring-shaped terminal 28. An inner peripheral brush 33 slidably in contact with each other, a plurality of strip-like independent terminals 29 arranged at equal intervals on the outer peripheral surface of the disk 14, and an outer peripheral brush 34 slidably in contact with the independent terminal 29. . The brushes 33 and 34 are connected to a power supply 31. A switch 35 is provided between the power supply 31 and the outer brush 34, and the switch 35 is controlled by a controller 36. The controller 36 stores the sealing time and controls the energization time. The heater wire 56 of the heater device 55 provided in each of the vacuum chambers 51 is connected to the ring-shaped terminal 28 and the corresponding independent terminal 29 via the lead wire 57.

前記各独立端子２９と前記外周側のブラシ３４とが摺接するたびに、対応するヒーター線５６にインパルス電流が流れる。この場合前記制御器３６からの信号で、前記開閉器３５がＯＮ状態の時間だけ、前記ヒーター線５６にインパルス電流が流れ、前記シール装置５２において包装袋１１の袋口をシールできる。すなわち、ヒーター線５６への通電時間は、前記制御器３６内の記憶媒体４４に格納されたシール時間であり、当該シール時間は全てのシール装置５２に適用されて同一である。 An impulse current flows through the corresponding heater wire 56 each time the independent terminal 29 and the outer brush 34 are in sliding contact with each other. In this case, an impulse current flows through the heater wire 56 only when the switch 35 is in an ON state by a signal from the controller 36, and the bag mouth of the packaging bag 11 can be sealed in the sealing device 52. That is, the energization time to the heater wire 56 is the sealing time stored in the storage medium 44 in the controller 36, and the sealing time is the same for all the sealing devices 52.

特開平９−４８４０９号公報Japanese Patent Laid-Open No. 9-48409 特開２００３-２００９０９号公報Japanese Patent Laid-Open No. 2003-200909

前記真空チャンバー５１内は、減圧により被包装物１５が沸騰し包装袋１１外に噴出してヒーター線５６及びリード線５７が汚れたり、経年劣化したり、両ブラシ３３、３４と独立端子２９又はリング状端子２８との接触抵抗に変化が生じたりする。この場合、真空チャンバー５１毎に備え付けられた各ヒーター線５６は、同じシール時間でシールを行っても、前記のようにヒーター線５６やリード線５７の劣化の程度や接触抵抗値の相違により、シールの仕上がりにバラつきが生じ、安定したシールを行うことができず、シール不良になる事がある。 Inside the vacuum chamber 51, the package 15 boils due to decompression and is ejected to the outside of the packaging bag 11, and the heater wire 56 and the lead wire 57 are contaminated or deteriorated over time. Both the brushes 33 and 34 and the independent terminal 29 or The contact resistance with the ring-shaped terminal 28 changes. In this case, even if each heater wire 56 provided for each vacuum chamber 51 is sealed with the same sealing time, due to the degree of deterioration of the heater wire 56 and the lead wire 57 and the difference in the contact resistance value as described above, The finish of the seal may vary, and a stable seal cannot be performed, resulting in a seal failure.

そこで本発明は、真空チャンバー５１内のヒーター線５６やリード線５７に応じて個別にシール時間を変更できるので、安定したシールを行うことができる、真空包装機を提供することを目的とする。 Therefore, the present invention has an object to provide a vacuum packaging machine capable of performing stable sealing because the sealing time can be individually changed according to the heater wire 56 and the lead wire 57 in the vacuum chamber 51.

本発明は、真空テーブルの周囲に複数の真空チャンバーが装備され、これらの真空チャンバーに包装袋をシールするシール装置が設けられ、このシール装置のヒーター装置はヒーター線を備えた真空包装機であって、各々のヒーター装置のヒーター線に通電する通電時間を各ヒーター線の状態に応じて変更するヒーター線通電時間変更手段を備えたことを特徴とする。
本発明は上記構成により、ヒーター線通電時間変更手段が、各々のヒーター装置のヒーター線に通電する通電時間を各ヒーター線の状態に応じて変更可能とするので、シールの仕上がりをヒーター線毎に調整できる。 In the present invention, a plurality of vacuum chambers are provided around a vacuum table, and a sealing device for sealing the packaging bag is provided in these vacuum chambers. The heater device of the sealing device is a vacuum packaging machine provided with a heater wire. The heater wire energizing time changing means for changing the energizing time for energizing the heater wires of each heater device according to the state of each heater wire is provided.
According to the present invention, the heater wire energization time changing means can change the energization time for energizing the heater wires of each heater device according to the state of each heater wire. Can be adjusted.

本発明の真空包装機は、シールの仕上がりをヒーター線毎に調整でき、安定したシールを行え、シール不良を防止できる。 The vacuum packaging machine of the present invention can adjust the finish of the seal for each heater wire, perform a stable seal, and prevent a seal failure.

真空包装機の模式図Schematic diagram of vacuum packaging machine 充填テーブルと真空包装機の斜視図Perspective view of filling table and vacuum packaging machine 真空チャンバーの断面図Cross section of vacuum chamber 基準時間と補正時間とで演算したシール時間を示したテーブルTable showing seal time calculated by reference time and correction time シールのフローチャ−ト図Flow chart of seal 従来の配電装置の斜視図Perspective view of a conventional power distribution device

図２に示すように、真空包装機１０の真空テーブル側機構１０Ｂの真空テーブル１２の周囲に、複数の真空チャンバー５１が装備されている。図３に示すように、前記真空チャンバー５１は、シール装置５２に、ヒーター装置５５が備えられ、当該ヒーター装置５５にヒーター線５６が取り付けられている。 As shown in FIG. 2, a plurality of vacuum chambers 51 are provided around the vacuum table 12 of the vacuum table side mechanism 10 </ b> B of the vacuum packaging machine 10. As shown in FIG. 3, the vacuum chamber 51 includes a sealing device 52 provided with a heater device 55, and a heater wire 56 attached to the heater device 55.

図１に示すように、前記ヒーター線５６に電流を配電する配電装置１３は、前記図６の配電装置と同一であって、真空テーブル１２に同心に固定された円盤１４と、当該円盤１４の中心部上面に配置されたリング状端子２８と、当該リング状端子２８に摺接する内周側のブラシ３３と、前記円盤１４の外側周面に等間隔に配置され複数個の短冊状の独立端子２９と、前記独立端子２９に摺接する外周側のブラシ３４とからなる。また、前記リング状端子２８と、各独立端子２９とにそれぞれ前記リード線５７を介して前記ヒーター線５６が接続している。なお、ヒーター線５６は、前記各々の真空チャンバー５１内に備え付けられたヒーター装置５５の端面に取り付けられている。前記ブラシ３３，３４は電源３１に接続しているが、電源３１と外周側のブラシ３４との間には開閉器３５が設けられており、この開閉器３５は制御装置３７により制御されている。以上の基本的構成は前記背景技術に記載したものと同じである。 As shown in FIG. 1, the power distribution device 13 that distributes current to the heater wire 56 is the same as the power distribution device in FIG. 6, and includes a disk 14 concentrically fixed to the vacuum table 12, A ring-shaped terminal 28 disposed on the upper surface of the central portion, an inner peripheral brush 33 slidably contacting the ring-shaped terminal 28, and a plurality of strip-shaped independent terminals disposed at equal intervals on the outer peripheral surface of the disk 14. 29 and a brush 34 on the outer peripheral side in sliding contact with the independent terminal 29. The heater wire 56 is connected to the ring-shaped terminal 28 and each independent terminal 29 via the lead wire 57. The heater wire 56 is attached to the end face of the heater device 55 provided in each of the vacuum chambers 51. The brushes 33 and 34 are connected to a power supply 31, but a switch 35 is provided between the power supply 31 and the outer brush 34, and the switch 35 is controlled by a control device 37. . The basic configuration described above is the same as that described in the background art.

本発明では、前記開閉器３５には、半導体、例えばＭＯＳＦＥＴのようなスイッチング素子を用いている。この開閉器３５は、制御装置３７と接続しているが、この制御装置３７は前記背景技術で説明した制御器３６とは異なっており、図１のブロック図に示すように、全体を制御するために情報を演算処理するメイン制御部３７Ａと、外部信号を入力し、内部信号を出力するＩ／Ｏ制御部３７Ｂと、データやプログラムを格納する記憶媒体３８Ｃと、特定の情報の演算処理を行う演算処理部３８Ｄと、基準となる信号を発生するクロック信号発生部３８Ｅと、前記Ｉ／Ｏ制御部３７Ｂを介して前記開閉器３５を操作するための信号を出力する出力制御部３７Ｆを備えている。 In the present invention, the switch 35 is a semiconductor, for example, a switching element such as a MOSFET. The switch 35 is connected to a control device 37. The control device 37 is different from the controller 36 described in the background art, and controls the whole as shown in the block diagram of FIG. For this purpose, a main control unit 37A for calculating information, an I / O control unit 37B for inputting external signals and outputting internal signals, a storage medium 38C for storing data and programs, and a calculation process for specific information An arithmetic processing unit 38D to perform, a clock signal generation unit 38E that generates a reference signal, and an output control unit 37F that outputs a signal for operating the switch 35 via the I / O control unit 37B. ing.

また、前記Ｉ／Ｏ制御部３７Ｂはエンコーダ４８と繋がっており、このエンコーダ４８は、さらにセンサー２１と繋がっている。前記センサー２１は、前記真空テーブル１２の回転に伴って信号を発する光電センサーやホール素子であって、エンコーダ４８は、前記センサー２１の出力信号を前記制御装置３７で扱えるようにパルス信号に変換する。前記演算処理部３８Ｄのヒーター線Ｎｏ．検出部３８ｄ１は、前記エンコーダ４８からのパルス信号を演算して複数の真空チャンバー５１の内の何番目の真空チャンバーのヒーター線５６に通電する必要があるかを演算して検出する。メイン制御部３７Ａは、制御装置３７全体を統括し、例えばヒーター線Ｎｏ．検出部３８ｄ１からの検出信号に基づいて、後述するシール時間演算部３８ｄ2で演算した該当のヒーター線Ｎｏ．に対応するシール時間だけ出力制御部３７Ｆに対して開閉器３５に通電のためのＯＮ信号を送る指令を出す。 The I / O control unit 37B is connected to an encoder 48, and the encoder 48 is further connected to the sensor 21. The sensor 21 is a photoelectric sensor or a Hall element that emits a signal as the vacuum table 12 rotates. The encoder 48 converts the output signal of the sensor 21 into a pulse signal so that the control device 37 can handle it. . The heater wire No. of the arithmetic processing unit 38D. The detector 38d1 calculates and detects the pulse signal from the encoder 48 to calculate the number of vacuum chamber heater wires 56 in the plurality of vacuum chambers 51 that need to be energized. The main control unit 37A controls the entire control device 37. Based on the detection signal from the detection unit 38d1, the corresponding heater line No. A command to send an ON signal for energization to the switch 35 is issued to the output control unit 37F for the sealing time corresponding to.

前記制御装置３７には、キーボードなどの入力装置で構成した操作部３９と、ディスプレイなどで構成した表示部４０とが接続している。前記操作部３９は後述する基準時間４１や補正時間４２などを入力し、前記表示部４０は、前記操作部３９で入力した基準時間や補正時間などの情報を図４に示すように表示することができる。前記操作部３９から前記基準時間と前記補正時間とを入力すると、前記記憶媒体３８Ｃの基準時間／補正時間設定メモリ３８ｃ1に格納され、以後、必要に応じて基準時間／補正時間設定メモリ３８ｃ1に格納された記憶を書き換え変更する。演算処理部３８Ｄのシール時間演算部３８ｄ2は、前記基準時間／補正時間設定メモリ３８ｃ1に記憶された基準時間と補正時間からシール時間を演算する。図４は、前記基準時間や前記補正時間を示したテーブルである。例えば、ある真空チャンバー５１内のＢ１のヒーター線５６では、基準時間１．２ｓｅｃと補正時間０．１５ｓｅｃとを加算し、シール時間を１．３５ｓｅｃにしている。基準時間は全てのヒーター線５６に共通するが、この基準時間を変更することも可能である。補正時間はヒーター線５６の状態に応じて作業者が操作部３９から表示部４０を見ながら入力する。この入力時間は＋（プラス）の時間であってもよいし、逆に、−（マイナス）の時間、即ち通電時間を短くすることもできる。 Connected to the control device 37 is an operation unit 39 configured by an input device such as a keyboard and a display unit 40 configured by a display or the like. The operation unit 39 inputs a reference time 41 and a correction time 42 which will be described later, and the display unit 40 displays information such as a reference time and a correction time input by the operation unit 39 as shown in FIG. Can do. When the reference time and the correction time are input from the operation unit 39, they are stored in the reference time / correction time setting memory 38c1 of the storage medium 38C, and thereafter stored in the reference time / correction time setting memory 38c1 as necessary. Rewrite and change the stored memory. The seal time calculation unit 38d2 of the calculation processing unit 38D calculates the seal time from the reference time and the correction time stored in the reference time / correction time setting memory 38c1. FIG. 4 is a table showing the reference time and the correction time. For example, in the heater wire 56 of B1 in a certain vacuum chamber 51, the reference time of 1.2 sec and the correction time of 0.15 sec are added, and the sealing time is set to 1.35 sec. Although the reference time is common to all the heater lines 56, the reference time can be changed. The operator inputs the correction time from the operation unit 39 while viewing the display unit 40 according to the state of the heater wire 56. This input time may be + (plus) time, or conversely,-(minus) time, that is, the energization time can be shortened.

次に、図５のフローチャートを用いて、シール時間の設定の流れを説明する。
（Ｓ１）演算処理部３８Ｄのシール時間演算部３８ｄ２は、前記基準時間／補正時間設定メモリ３８ｃ1に記憶された基準時間を読み出す。
（Ｓ２）演算処理部３８Ｄのヒーター線Ｎｏ．検出部３８ｄ１は、エンコーダ４８からのパルス信号を演算して複数の真空チャンバー５１の内の何番目の真空チャンバー５１のヒーター線５６に通電する必要があるかを演算して必要となるヒーター線Ｎｏ．を検出する。
（Ｓ３）前記ヒーター線Ｎｏ．検出部３８ｄ1で検出した前記ヒーター線Ｎｏ．の補正時間を前記記憶媒体３８Ｃの基準時間／補正時間設定メモリ３８ｃ1から読み出す。
（Ｓ４）シール時間演算部３８ｄ2が基準時間／補正時間設定メモリ３８ｃ1から読み出した前記基準時間と前記補正時間とからシール時間を演算してそのシール時間をメイン制御部３７Ａに出力する。
（Ｓ５）メイン制御部３７Ａは、Ｓ２のエンコーダ４８からのパルス信号により、Ｓ４で演算されたシール時間で、該当のヒーター線５６に通電するよう、出力制御部３７Ｆに対してシール開始信号を出すか否かを判断する。
（Ｓ６）出力制御部３７Ｆは、Ｓ５で、メイン制御部３７Ａから該当するヒーター線５６に通電する指令があった場合は、開閉器３５に通電をＯＮするように指示してシールを開始する。
（Ｓ７）前記メイン制御部３７Ａは、シール時間演算部３８ｄ2で演算したシール時間が経過したか否かを判断する。シール時間が経過していなければ通電を継続する。
（Ｓ８）メイン制御部３７Ａは、シール時間が経過していれば開閉器３５をＯＦＦする。
（Ｓ9）メイン制御部３７Ａは、シール作業を継続するか否かを判断し、継続であれば、Ｓ１に戻って作業を継続し、作業終了であれば作業は終了する。 Next, the flow of setting the sealing time will be described using the flowchart of FIG.
(S1) The seal time calculation unit 38d2 of the calculation processing unit 38D reads the reference time stored in the reference time / correction time setting memory 38c1.
(S2) The heater wire No. of the arithmetic processing unit 38D. The detection unit 38d1 calculates the pulse signal from the encoder 48, calculates which of the plurality of vacuum chambers 51 the heater wire 56 of the vacuum chamber 51 needs to be energized, and requires the heater line No. . Is detected.
(S3) The heater wire No. The heater wire No. detected by the detector 38d1. Is read from the reference time / correction time setting memory 38c1 of the storage medium 38C.
(S4) The seal time calculation unit 38d2 calculates a seal time from the reference time and the correction time read from the reference time / correction time setting memory 38c1, and outputs the seal time to the main control unit 37A.
(S5) The main control unit 37A outputs a seal start signal to the output control unit 37F so as to energize the corresponding heater wire 56 with the pulse time from the encoder 48 in S2 for the seal time calculated in S4. To determine whether or not
(S6) When there is a command to energize the corresponding heater wire 56 from the main control unit 37A in S5, the output control unit 37F instructs the switch 35 to turn on energization and starts sealing.
(S7) The main control unit 37A determines whether or not the sealing time calculated by the sealing time calculation unit 38d2 has elapsed. If the sealing time has not passed, energization is continued.
(S8) The main controller 37A turns off the switch 35 if the sealing time has elapsed.
(S9) The main control unit 37A determines whether or not to continue the sealing work. If the work is continued, the process returns to S1 to continue the work. If the work is finished, the work is finished.

上記までの説明では、演算を前記基準時間と前記補正時間との加算で説明したが、補正時間を基準時間の倍率で記憶するようにし、前記基準時間に対して前記倍率を乗算するようにしてもよい。また、前記実施例では、基準時間と補正時間とに分け、基準時間と補正時間からシール時間を演算する旨を説明したが、本発明は必ずしも前記のように基準時間と補正時間とに分ける必要はなく、ヒーター線Ｎｏ．ごとの全体として必要とするシール時間そのものを操作部３９から入力するようにしてもよい。その場合、前記のフローチャートは、Ｓ１を省略し、Ｓ２を実行し、Ｓ３でシール時間を読み出し、Ｓ４を省略し、Ｓ５以下を実行するようにする。 In the above description, the calculation has been described by adding the reference time and the correction time. However, the correction time is stored as a reference time magnification, and the reference time is multiplied by the magnification. Also good. Further, in the above-described embodiment, it has been described that the seal time is calculated from the reference time and the correction time, and the present invention is not necessarily divided into the reference time and the correction time as described above. There is no heater wire No. Alternatively, the sealing time itself required as a whole may be input from the operation unit 39. In that case, in the flowchart, S1 is omitted, S2 is executed, the seal time is read out in S3, S4 is omitted, and S5 and subsequent steps are executed.

本発明は、シールの仕上がりにバラつきが生じ、安定したシールを行うことができず、シール不良になる場合がある真空包装機のシール装置に有用である。 INDUSTRIAL APPLICABILITY The present invention is useful for a sealing device of a vacuum packaging machine in which variations in the finish of the seal occur, a stable seal cannot be performed, and a seal failure may occur.

１０・・真空包装機
１０Ａ・・充填テーブル側機構
１０Ｂ・・真空テーブル側機構
１１・・包装袋
１２・・真空テーブル
１３・・配電装置
１４・・円盤
１５・・被包装物
３１・・電源
３５・・開閉器
３６・・制御器
３７・・制御装置
３７Ａ・・メイン制御部
３７Ｂ・・Ｉ／Ｏ制御部
３７Ｆ・・出力制御部
３８Ｃ・・記憶媒体
３８ｃ1・・基準時間／補正時間設定メモリ
３８ｃ2・・記憶装置
３８Ｄ・・演算処理部
３８ｄ1・・ヒーター線Ｎｏ．検出部
３８ｄ2・・シール時間演算部
３８Ｅ・・クロック信号発生部
３９・・操作部
４０・・表示部
４８・・エンコーダ
５１・・真空チャンバー
５２・・シール装置
５５・・ヒーター装置
５６・・ヒーター線

10..Vacuum packaging machine 10A..Filling table side mechanism 10B..Vacuum table side mechanism 11..Packing bag 12..Vacuum table 13..Power distribution device 14..Disk 15..Packaging object 31..Power source 35. ..Switch 36..Control device 37..Control device 37A..Main control unit 37B..I / O control unit 37F..Output control unit 38C..Storage medium 38c1..Reference time / correction time setting memory 38c2. · · Storage device 38D · · Arithmetic processing unit 38d1 · · heater line No. Detection unit 38d2 ·· Sealing time calculation unit 38E · · Clock signal generation unit 39 · · Operation unit 40 · · Display unit 48 · · Encoder 51 · · Vacuum chamber 52 · · Sealing device 55 · · Heater device 56 · · Heater wire

Claims (3)

真空テーブルの周囲に複数の真空チャンバーが装備され、これらの真空チャンバーに包装袋をシールするシール装置が設けられ、このシール装置のヒーター装置はヒーター線を備えた真空包装機であって、
各々のヒーター装置のヒーター線に通電する通電時間を各ヒーター線の状態に応じて変更するヒーター線通電時間変更手段を備えたことを特徴とする真空包装機。 A plurality of vacuum chambers are provided around the vacuum table, and a sealing device for sealing the packaging bag is provided in these vacuum chambers. The heater device of the sealing device is a vacuum packaging machine provided with a heater wire,
A vacuum packaging machine comprising: heater wire energization time changing means for changing the energization time for energizing the heater wires of each heater device according to the state of each heater wire. ヒーター線通電時間変更手段は、ヒーター線への通電時間を格納する記憶手段と、この記憶手段に格納された記憶を書き換え変更する変更手段とを備え、前記記憶手段に格納されたヒーター線への通電時間に応じてヒーター線に電流が流れるよう操作する出力制御手段とを備えたことを特徴とする請求項１に記載の真空包装機。 The heater line energization time changing means includes storage means for storing the energization time to the heater line, and change means for rewriting and changing the memory stored in the storage means, and the heater line energization time change means 2. The vacuum packaging machine according to claim 1, further comprising output control means for operating current to flow through the heater wire in accordance with the energization time. ヒーター線に通電する通電時間は、複数のヒーター線に共通の基準時間と、それぞれのヒーター線の状態に応じて相違する補正時間とからなり、
ヒーター線通電時間変更手段は、ヒーター線の状態に応じて前記補正時間を書き換え変更し、変更した補正時間を記憶手段に格納し、
出力制御手段は前記記憶手段に格納された基準時間と補正時間とからなる通電時間に応じて、ヒーター線に通電するよう操作する、
ことを特徴とする請求項１に記載の真空包装機。

The energization time for energizing the heater wire is composed of a reference time common to a plurality of heater wires and a correction time that varies depending on the state of each heater wire,
The heater line energization time changing means rewrites and changes the correction time according to the state of the heater line, stores the changed correction time in the storage means,
The output control means operates to energize the heater wire according to the energization time composed of the reference time and the correction time stored in the storage means.
The vacuum packaging machine according to claim 1.

JP2012084497A 2012-04-03 2012-04-03 Vacuum packaging machine Pending JP2013212866A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095619U (en) * 1983-11-07 1985-06-29 三菱重工業株式会社 Impulse heater temperature control device
JPH0639712U (en) * 1992-10-30 1994-05-27 日本電熱株式会社 Seal packing machine
JP2003040214A (en) * 2001-07-31 2003-02-13 Nagase & Co Ltd Machine, bag and method for vacuum-packaging
JP2003200909A (en) * 2002-01-04 2003-07-15 Furukawa Mfg Co Ltd Rotary sealing method and device
JP2006290379A (en) * 2005-04-07 2006-10-26 Fuji Impulse Kk Heat sealing device
JP2010132290A (en) * 2008-12-02 2010-06-17 Nisshin Foods Kk Heat seal method for packaging bag

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095619U (en) * 1983-11-07 1985-06-29 三菱重工業株式会社 Impulse heater temperature control device
JPH0639712U (en) * 1992-10-30 1994-05-27 日本電熱株式会社 Seal packing machine
JP2003040214A (en) * 2001-07-31 2003-02-13 Nagase & Co Ltd Machine, bag and method for vacuum-packaging
JP2003200909A (en) * 2002-01-04 2003-07-15 Furukawa Mfg Co Ltd Rotary sealing method and device
JP2006290379A (en) * 2005-04-07 2006-10-26 Fuji Impulse Kk Heat sealing device
JP2010132290A (en) * 2008-12-02 2010-06-17 Nisshin Foods Kk Heat seal method for packaging bag

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