JP3932124B2 - Meat production system with hydraulic drive - Google Patents

Meat production system with hydraulic drive Download PDF

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Publication number
JP3932124B2
JP3932124B2 JP2003152078A JP2003152078A JP3932124B2 JP 3932124 B2 JP3932124 B2 JP 3932124B2 JP 2003152078 A JP2003152078 A JP 2003152078A JP 2003152078 A JP2003152078 A JP 2003152078A JP 3932124 B2 JP3932124 B2 JP 3932124B2
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water
hydraulic
working water
meat
temperature
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JP2004350588A (en
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信三 萬本
四郎 熊沢
龍二 児玉
裕之 早川
軍 牛
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Mayekawa Manufacturing Co
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Mayekawa Manufacturing Co
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Description

【0001】
【発明の属する技術分野】
本発明は、鶏肉の加工処理装置等に適用され、所定温度に保持された加工室内に搬入された食肉屠体を解体、脱骨して製品としての食肉ブロックを、水圧駆動装置を用いて製造する食肉製造システムに関する。
【0002】
【従来の技術】
原子力発電所等の放射線場で用いられる機器の操作や一部の建設機械においては、水圧ポンプで加圧された高圧の作動水を水圧モータに作用させて該水圧モータにより機器類を駆動する水圧駆動システムが、近年、用いられるようになってきた。
前記放射線場で用いられる機器の駆動用水圧駆動システムの1つに特許文献1(特開平8−232904号公報)の技術がある。
【0003】
特許文献1の技術においては、放射線場にある機器を操作するサーボ機構と該サーボ機構を制御するサーボ制御部とを備え、該サーボ機構を、水を作動流体とする水圧モータと、該サーボコントローラによって水圧モータへの水の給排を制御する水圧サーボ弁と、該水圧モータに前記水圧サーボ弁を介して高圧水を圧送する水圧ポンプとにより構成し、該サーボ機構によって前記放射線場にある機器を操作している。
【0004】
一方、鶏肉を解体、脱骨して製品としての食肉ブロックを製造するにあたっては、例えば本出願人による特願2001−524442の特許出願に開示されているように、0℃を含む低温下で、中抜き屠体(内臓を取り去った鶏肉本体)を大ばらし機において手羽付き上半身、骨付き腿肉及び腰肉等に分離し、胸肉脱骨機で鶏肉の上半身である胸部位の脱骨を行い、腿肉脱骨機で骨付き腿肉の脱骨を行い、前記脱骨加工がなされた食肉ブロックを計量器で所定製品重量になるように計量して食肉ブロック製品を形成し、包装装置で包装する、という工程で以って製造を行っている。
そして、かかる食肉ブロックの製造システムにおいては、前記大ばらし機、胸肉脱骨機、腿肉脱骨機、計量器、包装装置等の食肉ブロック加工手段の操作は油圧駆動システム、あるいは空気圧駆動システムによって行われている。
【0005】
【特許文献1】
特開平8−232904号公報
【0006】
【発明が解決しようとする課題】
特許文献1に開示されているような水圧駆動システムは、水圧駆動媒体としての作動後の廃棄水による環境汚染の問題がなく、作動水として安価で導入が容易な水道水を使用でき、また該作動水の廃棄コストが低廉であり、作動媒体が水であるため防火、防爆性が高く、かつ小型高出力の水圧モータによる駆動が可能であるという、多くの利点を有する。
【0007】
しかしながら、かかる水圧駆動システムは、前記特許文献1のような原子力発電所等の放射線場で用いられる機器の操作や建設機械の作動アームの駆動等の、作動水を常温で用いる水圧駆動システムに用いられているにとどまり、前記食肉ブロックの製造システムのように、大ばらし機、胸肉脱骨機、腿肉脱骨機、計量器、包装装置等の食肉ブロック加工手段が0℃近傍の低温で操作される機器の駆動用として用いられた例は無い。
等の解決すべき課題を有している。
【0008】
本発明はかかる従来技術の課題に鑑み、食肉ブロック加工手段が0℃近傍の低温で操作されて食肉ブロックの鮮度及び殺菌性を良好に保持し得る食肉ブロック加工手段の駆動に、0℃以上の所定の低温で作動可能、また不凍液を使用した0℃以下の低温で作動可能な水圧駆動システムを用いることを可能とした食肉製造システムを提供することを目的とする。
【0009】
【課題を解決するための手段】
本発明はかかる目的を達成するもので、所定温度に保持された加工室内に搬入された鶏肉、牛肉、豚肉等の食肉屠体を食肉ブロック加工手段により解体、脱骨して製品としての食肉ブロックを製造する食肉製造システムにおいて、
加圧された作動水により作動せしめられて前記食肉ブロック加工手段を駆動する水圧アクチュエータと、前記作動水を所定圧力に加圧し作動水通路を通して前記水圧アクチュエータに送給する水圧ポンプとを備えてなり、
更に前記水圧ポンプの入口側に不凍液を注入する不凍液注入装置を設けてなることを特徴とする。
【0010】
かかる発明においてより具体的には、食肉ブロック加工手段は、食肉屠体を解体して複数の骨付き状態の中間体に加工する解体装置と、この骨付き中間体を脱骨して製品としての食肉ブロックに加工する1台または複数台の脱骨装置と、前記食肉ブロックを計量する1台または複数台の計量装置と、該計量装置にて計量後の食肉ブロック製品を包装する1台または複数台の包装装置を含み、該解体装置及び脱骨装置及び計量装置及び包装装置の夫々にこれらを駆動する前記水圧アクチュエータを設置し、1台の水圧ポンプにより複数台の該水圧アクチュエータに作動水を供給するように構成するとともに、
前記水圧ポンプの入口側に不凍液を注入する不凍液注入装置を設けてなるのがよい
また、前記に加えて、前記食肉ブロック加工手段の間において前記食肉屠体、骨付き中間体、食肉ブロック等の食肉加工体を搬送する搬送装置を前記水圧アクチュエータにて駆動するように構成するのがよい。
さらに好ましくは、前記水圧ポンプ出口の作動水の温度を検出するポンプ出口作動水温度センサと、該ポンプ出口作動水温度センサからの作動水温度の検出値に基づき前記不凍液注入装置による不凍液注入量を制御するコントローラとを設ける。
このように構成すれば、各水圧アクチュエータへの作動水中に不凍液を注入することにより、前記食肉ブロック加工手段が最適加工室内温度である−10℃程度の作動温度になっても、作動水が凍結することがなく、食肉ブロック加工手段を、高品質を保持できる低温で安定して作動させることができる。
また、水圧ポンプ出口の作動水温度の検出値に基づき不凍液注入量を制御するので、不凍液の注入量を作動水が凍結しない範囲で最低限に制御でき、不凍液の注入量を最少限に保持しつつ作動水の凍結を回避できる。
【0011】
また、かかる発明において好ましくは、前記作動水通路の前記水圧ポンプ出口側に設置されて、作動水と冷媒とを熱交換して前記水圧アクチュエータに送給される作動水を0℃以上の所定の低温に保持する作動水熱交換器を備え、該作動水熱交換器によって前記低温に保持された作動水により前記水圧アクチュエータを作動せしめるように構成する。
【0012】
さらに、好ましくは、前記水圧ポンプの作動水入口に接続される水タンクを設置し、該水タンクから前記水圧ポンプを経て、食肉ブロック加工手段を構成する解体装置及び脱骨装置及び計量装置及び包装装置に夫々設置された水圧アクチュエータを並列に接続し、前記各水圧アクチュエータの出口から前記作動水熱交換器を経て前記水タンクに接続される作動水の循環路を形成する。
【0013】
かかる発明によれば、1台の水圧ポンプにて高圧に加圧された作動水は、作動水通路を通って食肉ブロック加工手段を構成する解体装置及び脱骨装置及び計量装置及び包装装置に夫々設置され前記作動水通路に並列に接続された各水圧アクチュエータに導入されて、各水圧アクチュエータを作動せしめ、各水圧アクチュエータにより前記解体装置及び脱骨装置及び計量装置及び包装装置が駆動せしめられ、また該水圧アクチュエータにより食肉加工体を搬送する搬送装置が駆動せしめられる。
【0014】
各水圧モータを駆動して昇温された作動水は、各水圧アクチュエータの出口から作動水の循環路に合流して作動水熱交換器に導入され、該作動水熱交換器において0℃以上(好ましくは5℃程度)の所定の低温に冷却される。
そして、該作動水熱交換器における冷却によって前記所定の低温に保持された作動水は前記作動水の循環路を通って前記水圧ポンプに吸入され、該水圧ポンプから前記作動水の循環路を前記各水圧アクチュエータを駆動しながら循環する。尚、この場合、該作動水熱交換器は冷媒と作動水とを熱交換して該作動水を降温させる形式の熱交換器を用いるが、前記各水圧アクチュエータにおける作動水の使用温度が氷点よりも高い場合には、該作動水を空気中に放出して自然放冷する冷却塔でもよい。
【0015】
ここで、前記水圧ポンプは、公知の斜板式油圧ポンプ、あるいはターボ式油圧ポンプの作動流体を油から水に置き換えたものであって、比較的低圧の場合はターボ式水圧ポンプを用い、高圧の場合は斜板式水圧ポンプを用いるのがよい。
また、前記水圧アクチュエータは、公知の斜板式油圧モータ、ベーン式油圧モータ、油圧シリンダ等の作動流体を油から水に置き換えたものであって、比較的低圧の場合はベーン式水圧モータを用い、高圧の場合は斜板式水圧モータを用いるのがよい。
【0016】
従って、かかる発明によれば、0℃以上(好ましくは5℃程度)の低温で作動する解体装置、脱骨装置、計量装置、包装装置等の食肉ブロック加工手段を、前記低温に常時保持された作動水で作動する水圧アクチュエータによって駆動することが可能となり、食肉ブロックの鮮度及び殺菌性を良好に保持しつつ、廃棄水の環境汚染の問題がなく、安価で導入が容易な水道水を使用でき、廃棄コストが低廉で、防火、防爆性が高く、かつ小型高出力の水圧アクチュエータを有する水圧駆動装置を装備した食肉製造システムを提供できる。
【0017】
また、かかる発明において好ましくは、前記食肉ブロック加工手段に用いられる器具を洗浄する洗浄装置を備え、該洗浄装置に前記作動水の一部を導入し、該作動水により前記器具を洗浄するように構成する。
このように構成すれば、前記食肉ブロック加工手段作動用の水圧アクチュエータを駆動した後の作動水の一部を分流して洗浄装置に導き、該洗浄装置において食肉ブロック加工手段に用いられる器具の洗浄用として利用できるので、格別な洗浄水供給系統が不要となり、装置が簡単化され装置コストを低減できる。
尚、後述するように作動水に不凍液を添加する場合には、前記作動水の一部による器具の洗浄は行わない。
【0018】
また、かかる発明において好ましくは、前記加工室内を0℃以下の所定の低温に保持する加工室熱交換器と、前記作動水と冷媒とを熱交換して前記水圧アクチュエータに送給される該作動水を0℃以上の所定の低温に保持する作動水熱交換器とを併設し、前記加工室熱交換器により前記加工室内を前記0℃以下の所定の低温に保持するとともに、前記作動水熱交換器によって前記0℃以上の所定の低温に保持された作動水により前記水圧アクチュエータを作動せしめて、無人状態にて前記0℃以下の所定の低温下で前記食肉ブロックを製造可能とする。
さらに、前記加工室熱交換器にて低温に冷却された冷却流体を前記作動水熱交換器に導入し、該作動水熱交換器において前記冷却流体を冷媒として前記作動水と熱交換して該作動水を前記所定の低温に保持するように構成するのがよい。
【0019】
このように構成すれば、加工室熱交換器により加工室内を0℃以下(好ましくは−10℃程度)の所定の低温に保持しつつ、複数台の食肉ブロック加工手段を作動させる水圧アクチュエータの作動水を作動水熱交換器によって前記低温に保持して該水圧アクチュエータを駆動することにより、加工室内及び複数台の食肉ブロック加工手段及び水圧アクチュエータを前記低温に安定的に保持して食肉ブロックの製造作業をなし得るので、低温の加工室内を無人状態にして食肉ブロックの製造を行うことができ、食肉ブロック製造作業の省力化を実現できる。
また、前記加工室内を所定の低温に保持する加工室熱交換器における冷却流体を、作動水熱交換器の冷熱源として利用できるので、作動水の冷却用として格別な冷凍装置等の冷熱源が不要となり、装置が簡単化され装置コストを低減できる。
【0020】
また、かかる発明において好ましくは、前記加工室内を常温に保持するとともに、前記作動水と冷媒とを熱交換して前記水圧アクチュエータに送給される該作動水を0℃以上の所定の低温に保持する作動水熱交換器を設け、前記加工室内を常温に保持した状態で、前記作動水熱交換器によって前記所定の低温に保持された作動水により前記水圧アクチュエータを作動せしめるように構成する。
【0021】
このように構成すれば、水圧アクチュエータの作動水を作動水熱交換器によって0℃以上の所定の低温に保持して該水圧アクチュエータにより複数台の食肉ブロック加工手段を作動させることにより、前記複数台の食肉ブロック加工手段及び水圧アクチュエータを前記低温に安定的に保持して食肉ブロックの製造を行うことができるとともに、作業者は常温に保持された加工室内で前記食肉ブロック加工手段の操作等の諸作業を容易に行うことができる。
【0022】
また、かかる発明において好ましくは、前記水圧ポンプ出口の作動水の温度を検出するポンプ出口作動水温度センサと、該ポンプ出口作動水温度センサからの作動水温度の検出値に基づき前記作動水熱交換器の容量制御を行うコントローラとを備えてなる。
このように構成すれば、水圧ポンプ出口の作動水温度の検出値に基づき作動水熱交換器の容量制御つまり冷却度を調整することにより、水圧アクチュエータへの作動水温度を0℃以上の所定の低温に安定的に保持して食肉ブロックの製造を行うことができる。
【0023】
また、かかる発明において好ましくは、前記各水圧アクチュエータの作動水入口に設けられて該水圧アクチュエータへの作動水流量を調整する流量調整弁と、前記各水圧アクチュエータ入口における作動水の温度を検出する作動水アクチュエータ入口温度センサと、前記作動水アクチュエータ入口温度センサから入力される作動水温度の検出値に基づき前記各水圧アクチュエータ入口の作動水温度が目標温度になるように前記流量調整弁の開度を制御するコントローラとを備えてなる。
【0024】
このように構成すれば、食肉ブロック加工手段用水圧アクチュエータ毎に作動水温度の検出値に基づき流量調整による温度制御を行うので、水圧アクチュエータを該食肉ブロック加工手段毎に異なる温度で作動させることができる。即ち、例えば前記脱骨装置と計量装置あるいは包装装置のように最適作動温度が異なる場合においても、水圧アクチュエータ毎の作動水温度の検出値に基づく流量調整による温度制御によって水圧アクチュエータの最適作動温度を食肉ブロック加工手段によって自在に調節することができる。
【0027】
【発明の実施の形態】
以下、本発明を図に示した実施例を用いて詳細に説明する。但し、この実施例に記載される構成部品の寸法、形状、その相対配置などは特に特定的な記載がない限り、この発明の範囲をそれのみに限定する趣旨ではなく単なる説明例に過ぎない。
【0028】
図1は本発明の第1実施例に係る水圧駆動装置を備えた鶏肉の食肉ブロック製造システムの構成を示す系統図、図2は前記第1実施例における制御ブロック図、図3は第2実施例を示す要部系統図である。
【0029】
第1実施例の系統図を示す図1において、100は加工室であり、室外101に対して断熱壁102にて熱的に遮断され、室内クーラ39により該加工室100内の空気を吸入し冷却することにより、−10℃〜0℃程度の低温に保持されている。40は該室内クーラ39に冷却用冷媒を送る冷凍装置である。
31は被加工品である鶏肉の中抜き屠体(内臓を取り去った鶏肉本体)を前記加工室100内に搬入する投入コンベアであり、該投入コンベア31は後述する洗浄装置37、大ばらし機33、胸肉脱骨機34、腿肉脱骨機35、計量器36、及び包装機38を通して前記被加工品を搬送する搬送コンベア32に連動連結されている。
【0030】
上述のように、37は洗浄装置、33は大ばらし機、34は胸肉脱骨機、35は腿肉脱骨機、36は計量器、38は包装機で、前記投入コンベア31により低温の加工室100内に搬入された前記被加工品は、搬送コンベア32によって搬送されつつ、該被加工品の中抜き屠体(内臓を取り去った鶏肉本体)を洗浄装置37にて洗浄した後、前記大ばらし機33において手羽付き上半身、骨付き腿肉及び腰肉等に分離し、前記胸肉脱骨機34で鶏肉の上半身である胸部位の脱骨を行う一方で、前記腿肉脱骨機35で骨付き腿肉の脱骨がなされる。
そして、前記胸肉脱骨機34及び前記腿肉脱骨機35にて脱骨加工がなされた食肉ブロックは、前記計量器36で所定製品重量になるように計量して食肉ブロック製品を形成した後、前記包装機38で包装し、外部に搬出する。
【0031】
前記大ばらし機33、胸肉脱骨機34、腿肉脱骨機35、計量器36、及び包装機38には、これらの装置を作動させる水圧モータ4、5、6、7、及び16が夫々併設されている。また、30は前記搬送コンベア32を駆動する搬送コンベア駆動装置であり、該搬送コンベア駆動装置30にも該装置30を作動させる水圧モータ8が併設されている。
前記各水圧モータ4、5、6、7、16及び8は、公知の斜板式油圧モータ、ベーン式油圧モータ、油圧シリンダ等の作動流体を油から水に置き換えたものであって、低圧の場合はベーン式水圧モータを用い、高圧の場合は斜板式水圧モータを用いるのが好適である(水圧モータの内部構造は公知であるので、詳細な構造説明は省略する)。
【0032】
2は前記水圧モータ4、5、6、7、16及び8への作動水が収容される水タンク、1は該水タンク2内の作動水を前記各水圧モータ4、5、6、7、16及び8に圧送する水圧ポンプである。
該水圧ポンプ1は、公知の斜板式油圧ポンプ、あるいはターボ式油圧ポンプの作動流体を油から水に置き換えたものであって、低圧の場合はターボ式水圧ポンプを用い、高圧の場合は斜板式水圧ポンプを用いるのが好適である(水圧ポンプの内部構造は公知であるので、詳細な構造説明は省略する)。
【0033】
17は入口側が前記水圧ポンプ1の吐出口に接続される作動水供給管、3は該作動水供給管17の管路を開閉する主開閉弁である。前記作動水供給管17の出口側は、前記大ばらし機33用の水圧モータ4への作動水管24、胸肉脱骨機34の水圧モータ5への作動水管23、腿肉脱骨機35の水圧モータ6への作動水管25、計量器36の水圧モータ7への作動水管26、包装機38の水圧モータ16への作動水管27、及び搬送コンベア駆動装置30用の水圧モータ8への作動水管013に夫々並列に接続され、前記水圧ポンプ1により圧送された高圧の作動水が前記作動水供給管17から前記各作動水管24、23、25、26、27、及び013に分流して、前記各水圧モータ4、5、6、7、16、及び8に供給されるようになっている。
【0034】
そして、前記各水圧モータ4、5、6、7、16、及び8の作動水出口は作動水管51、52、53、54、55及び50を通して作動水排出管18に合流している。
また、前記各作動水管24、23、25、26、27、013の各水圧モータ4、5、6、7、16、8寄りの部位には、入口側1ポート、出口側2ポートで出口側2ポートの流量配分機能を有する調整弁9、10、11、12、15、及び13が設置されている。
前記各調整弁9、10、11、12、15、13の一方側の出口は前記各水圧モータ4、5、6、7、16、8の作動水入口に接続され、他方側の出口は、バイパス管57、58、59、60、61、63を介して前記各作動水管51、52、53、54、55、50に夫々接続されている。
【0035】
20は作動水熱交換器で、前記作動水排出管18を通った前記各水圧モータ4、5、6、7、16、8駆動後の作動水が導入される。該作動水熱交換器20の冷媒側には前記室内クーラ(加工室熱交換器)39で低温に冷却された冷却流体が導入され、該冷却流体と前記各水圧モータ4、5、6、7、16、8駆動後の作動水とを熱交換して該作動水を冷却するようになっている。
該作動水熱交換器20にて冷却された作動水は、作動水管21を通って前記水タンク2に戻されるようになっている。
22aは前記室内クーラ39から該作動水熱交換器20に冷媒を供給する冷媒入口管、22bは該作動水熱交換器20の冷媒出口から前記室内クーラ39に冷媒を還流する冷媒入口管である。また、29は前記冷媒入口管22aを開閉するとともに、該冷媒入口管22aの通路面積を調整する冷媒調整弁である。
【0036】
前記構成によって、前記水タンク2から水圧ポンプ1、作動水供給管17を経て、前記大ばらし機33用水圧モータ4、胸肉脱骨機34用水圧モータ5、腿肉脱骨機35用水圧モータ6、計量器36用水圧モータ7、包装機38用水圧モータ16、搬送コンベア駆動装置30用水圧モータ8に並列に接続し、これらの水圧モータ4、5、6、7、16、8から前記作動水排出管18及び前記作動水熱交換器20を経て前記水タンク2に戻る閉回路からなる作動水の循環路を形成している。
【0037】
62は水道水が導入される水供給装置で、水補給管63を介して前記作動水の循環路中における前記作動水排出管18の前記作動水熱交換器20よりも上流部位に接続されている。63aは前記水補給管63の管路を開閉する開閉弁である。
28は前記作動水排出管18から分岐されて前記洗浄装置37に接続される洗浄水管、56は該洗浄装置37の洗浄廃水を外部に排出するための排水管である。
尚、後述するように作動水に不凍液を混入する場合は、前記洗浄装置37への作動水の供給は行わない。
【0038】
かかる実施例において、後述する作動水熱交換器20によって、0℃以上の所定の低温、好ましくは5℃程度に温度調節され、1台の水圧ポンプ1にて高圧に加圧された作動水は、主開閉弁3が開弁されると、作動水供給管17を通り、該作動水供給管17から各作動水管24、23、25、26、27、013に分流し、各作動水管に設置された調整弁9、10、11、12、15、13を通って、前記大ばらし機33用水圧モータ4、胸肉脱骨機34用水圧モータ5、腿肉脱骨機35用水圧モータ6、計量器36用水圧モータ7、包装機38用水圧モータ16、搬送コンベア駆動装置30用水圧モータ8に夫々供給され、各水圧モータ4、5、6、7、16、8を駆動する。
【0039】
各水圧モータ4、5、6、7、16、8を駆動し昇温した作動水は、出口側の作動水管51、52、53、54、55、50を通って作動水排出管18に合流し、該作動水排出管18から作動水熱交換器20に導入される。
該作動水熱交換器20においては、前記室内クーラ39で低温に冷却された冷却流体と、前記各水圧モータ4、5、6、7、16、8駆動後の昇温した作動水とを熱交換して該作動水を冷却する。
即ち、該作動水熱交換器20においては、前記室内クーラ39から冷媒入口管22a及び冷媒調整弁29を通って導入された冷媒と、前記昇温された作動水とを熱交換して該作動水を冷却する。該作動水熱交換器20にて冷却された作動水は、作動水管21を通って前記水タンク2に戻される。
一方、該作動水冷却後の冷媒は、冷媒出口管22bを通って前記室内クーラ39に戻される。
【0040】
前記のように構成すれば、前記室内クーラ39により加工室100内を0℃以下の所定の低温、好ましくは−10℃程度に保持しつつ、前記大ばらし機33用水圧モータ4、胸肉脱骨機34用水圧モータ5、腿肉脱骨機35用水圧モータ6、計量器36用水圧モータ7、包装機38用水圧モータ16、及び搬送コンベア駆動装置30用水圧モータ8の作動水を前記作動水熱交換器20によって0℃以上の所定の低温に保持して該水圧モータ1を駆動することにより、加工室100内及び大ばらし機33、胸肉脱骨機34、腿肉脱骨機35、計量器36、包装機38等の複数台の食肉ブロック加工手段及び該食肉ブロック加工手段を駆動する水圧モータ4、5、6、7、16を前記所定の低温に安定的に保持して食肉ブロックの製造作業をなし得るので、低温の加工室100内を無人状態にして食肉ブロックの製造を行うことができる。
また、前記加工室100内を前記低温に保持する室内クーラ39における冷却流体を、作動水熱交換器20の冷熱源として利用できるので、作動水の冷却用として格別な冷凍装置等の冷熱源が不要となり、装置が簡単化される。
【0041】
尚、前記作動水を氷点よりも高い温度で作用させる場合には、前記作動水熱交換器20に代えて、該作動水を空気中に放出して自然放冷する冷却塔を用いてもよい。
【0042】
以上のように、かかる実施例によれば、0℃以上の所定の低温、好ましくは5℃程度で作動する大ばらし機33、胸肉脱骨機34、腿肉脱骨機35、計量器36、包装機38等の食肉ブロック加工手段を、前記所定の低温に常時保持された作動水で作動する水圧モータ4、5、6、7、16を備えた水圧駆動システムによって駆動することが可能となる。
従って、かかる実施例によれば、被加工品の食肉ブロックの鮮度及び殺菌性を良好に保持しつつ、廃棄水の環境汚染の問題がなく、安価で導入が容易な水道水を使用でき、廃棄コストが低廉で、防火、防爆性が高く、かつ小型高出力の水圧モータを有する水圧システムで以って作動せしめ得る食肉製造システムを得ることができる。
【0043】
また、かかる実施例においては、後述するような不凍液を用いない場合、前記大ばらし機33、胸肉脱骨機34、腿肉脱骨機35、計量器36、及び包装機38等の食肉ブロック加工手段に用いられる器具を洗浄する洗浄装置を備え、該洗浄装置に前記作動水の一部を導入し、該作動水により前記器具を洗浄するように構成する。
このように構成すれば、前記食肉ブロック加工手段作動用の水圧モータを駆動した後の作動水の一部を分流して洗浄装置に導き、該洗浄装置において食肉ブロック加工手段に用いられる器具の洗浄用として利用できるので、格別な洗浄水供給系統が不要となり、装置が簡単化され装置コストを低減できる。
【0044】
次に、図2に基づきかかる実施例における制御動作について説明する。
72はポンプ出口作動水温度センサで、前記作動水供給管17における水圧ポンプ1出口の作動水の温度を検出する。
73、74、75、76、77は各水圧モータの作動水入口温度センサで、前記水圧モータ4、5、6、7、16の入口における作動水の温度を検出する。
70はコントローラで、該コントローラ70には前記ポンプ出口作動水温度センサ72から水圧ポンプ1出口の作動水温度の検出値が入力されるとともに、前記水圧モータ作動水入口温度センサ73、74、75、76、77から各水圧モータ4、5、6、7、16入口の作動水温度の検出値が入力される。
【0045】
前記コントローラ70は、前記ポンプ出口作動水温度センサ72からの水圧ポンプ1出口の作動水温度検出値に基づき、前記作動水熱交換器20の容量制御つまり該作動水熱交換器20への冷媒調整弁29の開度を調整する。即ち、該コントローラ70は、前記作動水温度検出値が予め設定された作動水温度になるように前記冷媒調整弁29の開度を調整して、前記作動水熱交換器20の冷却度を調整する。
また、該コントローラ70は、ポンプ制御装置71を介して水圧ポンプ1の作動制御も行う。
また、該コントローラ70は、必要に応じて、前記作動水供給管17を開閉する主開閉弁3の開閉制御も行う。
なお、前記作動水温度の設定値は、作動水として、通常の水道水を用いる場合は0〜5℃程度、後述するように該水道水に不凍液を注入する場合は−10〜0℃が好適である。
【0046】
このように構成すれば、前記水圧ポンプ1出口の作動水の温度の検出値に基づき作動水熱交換器20の容量制御つまり冷却度を調整することにより、該水圧モータ4、5、6、7、16への作動水温度を、前記のような設定値に安定的に保持して食肉ブロックの製造を行うことが可能となる。
【0047】
また、前記コントローラ70は、前記水圧モータ作動水入口温度センサ73、74、75、76、77からの各水圧モータ4、5、6、7、16入口の作動水温度の検出値に基づき、前記各水圧モータ4、5、6、7、16入口の調整弁9、10、11、12、15の流量制御、即ち各水圧モータ4、5、6、7、16側出口ポートを通流させる流量とバイパス管57、58、59、60、61側出口ポートを通流させる流量との流量配分調整をおこなう。
即ち該コントローラ70は、前記各水圧モータ4、5、6、7、16入口の作動水温度の検出値に基づき、各水圧モータ4、5、6、7、16入口の作動水温度が予め設定された目標温度になるように前記各調整弁9、10、11、12、15の流量配分調整をおこなう。
【0048】
このように構成すれば、前記食肉ブロック加工手段用の水圧モータ4、5、6、7、16毎に作動水温度の検出値に基づき流量配分調整による温度制御を行うので、前記水圧モータを該食肉ブロック加工手段毎に異なる温度で作動させることができる。
即ち、例えば前記胸肉脱骨機34あるいは腿肉脱骨機35と計量器36あるいは包装機38のように、最適作動温度が異なる場合においても、前記作動水温度の検出値に基づく流量配分調整による温度制御によって、最適作動温度を食肉ブロック加工手段によって自在に調節することが可能となる。
【0049】
次に、19は不凍液注入装置で、前記作動水供給管17の水圧ポンプ1の入口あるいは前記水タンク2内に不凍液を注入する。該不凍液としては、プロピレングリコール、アルコール等を用いるが、前記プロピレングリコールは潤滑性も備えているので、摺動部の多い水圧ポンプ及び水圧モータに好適である。
このように構成すれば、各水圧モータ4、5、6、7、16への作動水中に不凍液を注入することにより、前記食肉ブロック加工手段の最適作動温度である−10℃程度の作動温度になっても、作動水が凍結することがなく、食肉ブロック加工手段を低温で安定して作動させることが可能となる。
【0050】
また、図2に示すように、前記コントローラ70によって、前記水圧ポンプ1出口の作動水の温度の検出値に基づき前記不凍液注入装置19による不凍液注入量を制御するように構成する。
このように構成すれば、水圧ポンプ1出口作動水温度の検出値に基づき不凍液注入量を制御するので、不凍液の注入量を作動水が凍結しない範囲で最低限に制御できる。
【0051】
図3に示される第2実施例においては、前記作動水供給管17の水圧ポンプ1出口側に作動水熱交換器81を設置し、前記作動水排出管18を直接水タンク2に接続している。また、水供給装置62からの給水管63を前記水タンク2に接続している。63aは給水管63の管路を開閉する開閉弁である。
その他の構成は前記第1実施例と同様であり、これと同一の部材は同一の符号で示す。
【0052】
かかる第2実施例において、前記室内クーラ39の設定温度を上げるかあるいは該室内クーラ39を停止して前記加工室100内を常温に保持した状態で、前記作動水熱交換器81によって前記大ばらし機33、胸肉脱骨機34、腿肉脱骨機35、計量器36、包装機38等の食肉ブロック加工手段を作動させる0℃以上の所定の低温に保持された作動水により前記水圧モータ4、5、6、7、16を作動せしめるように構成する。
【0053】
このように構成すれば、水圧モータ4、5、6、7、16の作動水を作動水熱交換器81によって0℃以上の低温に保持して該水圧モータ4、5、6、7、16によって複数台の食肉ブロック加工手段(前記大ばらし機33、胸肉脱骨機34、腿肉脱骨機35、計量器36、包装機38等)を作動させることにより、前記複数台の食肉ブロック加工手段及び水圧モータ4、5、6、7、16を前記所定の低温に安定的に保持して食肉ブロックの製造を行うことができ、かつ作業者は常温に保持された加工室100内で前記食肉ブロック加工手段の操作等の諸作業を容易に行うことが可能となる。
【0054】
【発明の効果】
以上記載のごとく本発明によれば、0℃以上の所定の低温で作動する解体装置、1台または複数台の脱骨装置、1台または複数台の計量装置、1台または複数台の包装装置等の食肉ブロック加工手段を、前記低温に常時保持された作動水で作動する水圧アクチュエータによって駆動することが可能となり、食肉ブロックの鮮度及び殺菌性を良好に保持しつつ、廃棄水の環境汚染の問題がなく、安価で導入が容易な水道水を使用でき、廃棄コストが低廉で、防火、防爆性が高く、かつ小型高出力の水圧アクチュエータを有する水圧駆動装置を装備した食肉製造システムを提供できる。
【図面の簡単な説明】
【図1】 本発明の第1実施例に係る水圧駆動装置を備えた鶏肉の食肉ブロック製造システムの構成を示す系統図である。
【図2】 前記第1実施例における制御ブロック図である。
【図3】 第2実施例を示す要部系統図である。
【符号の説明】
1 水圧ポンプ
2 水タンク
3 主開閉弁
4、5、6、7、8、16 水圧モータ
9、10、11、12、15、13 調整弁
17 作動水供給管
18 作動水排出管
19 不凍液注入装置
20、81 作動水熱交換器
23、24、25、26、27、013 作動水管
29 冷媒調整弁
30 搬送コンベア駆動装置
32 搬送コンベア
33 大ばらし機
34 胸肉脱骨機
35 腿肉脱骨機
36 計量器
37 洗浄装置
38 包装機
39 室内クーラ
50、51、52、53、54、55 作動水管
57、58、59、60、61、63 バイパス管
62 水供給装置
70 コントローラ
71 ポンプ制御装置
72 ポンプ出口作動水温度センサ
73、74、75、76、77 アクチュエータ作動水入口温度センサ
100 加工室
[0001]
BACKGROUND OF THE INVENTION
The present invention is applied to a chicken processing apparatus or the like, and a meat carcass carried into a processing chamber maintained at a predetermined temperature is disassembled and deboned to produce a meat block as a product using a hydraulic drive device. It relates to a meat production system.
[0002]
[Prior art]
In the operation of equipment used in radiation fields such as nuclear power plants and in some construction machinery, the hydraulic pressure that drives the equipment by the hydraulic motor by applying high pressure hydraulic water pressurized by the hydraulic pump to the hydraulic motor Drive systems have come into use in recent years.
One of hydraulic drive systems for driving devices used in the radiation field is a technique disclosed in Japanese Patent Application Laid-Open No. 8-232904.
[0003]
In the technique of Patent Document 1, a servo mechanism that operates a device in a radiation field and a servo control unit that controls the servo mechanism are provided. The servo mechanism includes a hydraulic motor that uses water as a working fluid, and the servo controller. A water pressure servo valve that controls the supply and discharge of water to and from the water pressure motor, and a water pressure pump that pumps high pressure water to the water pressure motor via the water pressure servo valve, and the device in the radiation field by the servo mechanism. Is operating.
[0004]
On the other hand, in disassembling and deboning chicken meat to produce a meat block as a product, for example, as disclosed in the patent application of Japanese Patent Application No. 2001-524442 by the present applicant, under a low temperature including 0 ° C., The hollow carcass (chicken body from which the internal organs have been removed) is separated into the upper body with wings, the thigh meat with bones, the waist meat, etc. using a large-sized machine, and the breast part is deboned with the breast deboning machine. The thigh meat deboning machine removes the thigh meat with bone, and the meat block subjected to the deboning process is weighed to a predetermined product weight with a measuring device to form a meat block product. Manufacture is performed by the process of packaging.
And in such a meat block manufacturing system, the operation of the meat block processing means such as the large spreader, breast deboning machine, thigh deboning machine, measuring instrument, and packaging device is performed by a hydraulic drive system or a pneumatic drive system. Has been done by.
[0005]
[Patent Document 1]
JP-A-8-232904
[0006]
[Problems to be solved by the invention]
The water pressure drive system as disclosed in Patent Document 1 has no problem of environmental pollution due to waste water after operation as a water pressure drive medium, and can use tap water that is inexpensive and easy to introduce as the operation water. There are many advantages in that the cost of discarding the working water is low, and that the working medium is water, so that it is highly fire and explosion proof and can be driven by a small high power hydraulic motor.
[0007]
However, such a hydraulic drive system is used in a hydraulic drive system that uses working water at room temperature, such as operation of equipment used in a radiation field such as a nuclear power plant as in Patent Document 1 and driving of an operating arm of a construction machine. As in the meat block manufacturing system, the meat block processing means such as the spreader, breast deboning machine, thigh deboning machine, measuring instrument, and packaging device are kept at a low temperature around 0 ° C. There is no example used for driving a device to be operated.
There are problems to be solved.
[0008]
In view of the problems of the prior art, the present invention drives the meat block processing means that can maintain the freshness and bactericidal properties of the meat block satisfactorily by operating the meat block processing means at a low temperature around 0 ° C. It is an object of the present invention to provide a meat production system that can operate at a predetermined low temperature and can use a hydraulic drive system that can operate at a low temperature of 0 ° C. or lower using an antifreeze.
[0009]
[Means for Solving the Problems]
  The present invention achieves such an object, and a meat block as a product by disassembling and deboning meat carcasses such as chicken, beef and pork carried into a processing chamber maintained at a predetermined temperature by a meat block processing means. In the meat production system that produces
  A hydraulic actuator that is actuated by pressurized working water to drive the meat block processing means; and a hydraulic pump that pressurizes the working water to a predetermined pressure and feeds it to the hydraulic actuator through a working water passage.Become
  Furthermore, an antifreeze injection device for injecting antifreeze into the inlet side of the hydraulic pump is provided.It is characterized by that.
[0010]
  More specifically in this invention,The meat block processing means includes a dismantling device that disassembles the meat carcass and processes it into a plurality of bone-attached intermediates, and one or more that debones the bone-attached intermediates and processes them into meat blocks as products. A deboning device, one or a plurality of weighing devices for weighing the meat block, and one or a plurality of packaging devices for packaging the meat block product after weighing with the weighing device, The hydraulic actuator that drives these devices, the deboning device, the weighing device, and the packaging device is installed, and the hydraulic water is supplied to a plurality of hydraulic actuators by one hydraulic pump.With
  It is preferable to provide an antifreeze injection device for injecting antifreeze at the inlet side of the hydraulic pump..
  Further, in addition to the above, a conveying device that conveys the meat processing body such as the meat carcass, the intermediate with bone, and the meat block between the meat block processing means is configured to be driven by the hydraulic actuator. Is good.
  More preferably, the pump outlet operating water temperature sensor for detecting the temperature of the hydraulic water at the outlet of the hydraulic pump, and the amount of antifreeze injected by the antifreeze injection device based on the detected value of the operating water temperature from the pump outlet operating water temperature sensor. And a controller to be controlled.
  If comprised in this way, even if the said anti-freezing liquid will be inject | poured into the working water to each hydraulic actuator, even if the said meat block processing means will be the operating temperature of about -10 degreeC which is the optimal processing room temperature, working water will freeze. Therefore, the meat block processing means can be stably operated at a low temperature that can maintain high quality.
  In addition, since the amount of antifreeze injected is controlled based on the detected value of the operating water temperature at the outlet of the hydraulic pump, the amount of antifreeze injected can be controlled to the minimum as long as the working water does not freeze, and the amount of antifreeze injected can be kept to a minimum. However, freezing of working water can be avoided.
[0011]
Preferably, in the invention, the working water that is installed on the hydraulic pump outlet side of the working water passage and exchanges heat between the working water and the refrigerant and is supplied to the water pressure actuator has a predetermined temperature of 0 ° C. or higher. A working water heat exchanger that is kept at a low temperature is provided, and the hydraulic actuator is operated by the working water kept at the low temperature by the working water heat exchanger.
[0012]
Furthermore, preferably, a water tank connected to the working water inlet of the water pressure pump is installed, and from the water tank to the water pressure pump, the dismantling device, the deboning device, the measuring device, and the packaging constituting the meat block processing means The hydraulic actuators installed in the apparatus are connected in parallel, and a working water circulation path connected to the water tank from the outlet of each hydraulic actuator through the working water heat exchanger is formed.
[0013]
According to this invention, the working water pressurized to a high pressure by one hydraulic pump passes through the working water passage to the disassembling device, the deboning device, the measuring device, and the packaging device that constitute the meat block processing means, respectively. It is installed in each hydraulic actuator installed and connected in parallel to the working water passage to operate each hydraulic actuator, and each hydraulic actuator drives the dismantling device, the deboning device, the weighing device, and the packaging device, and A conveying device for conveying the meat processed body is driven by the hydraulic actuator.
[0014]
The operating water heated by driving each hydraulic motor joins the operating water circulation path from the outlet of each hydraulic actuator and is introduced into the operating water heat exchanger. It is cooled to a predetermined low temperature (preferably about 5 ° C.).
Then, the working water held at the predetermined low temperature by the cooling in the working water heat exchanger is sucked into the hydraulic pump through the working water circulation path, and the working water circulation path from the water pressure pump passes through the working water circulation path. It circulates while driving each hydraulic actuator. In this case, the working water heat exchanger uses a heat exchanger of a type in which heat is exchanged between the refrigerant and the working water to lower the temperature of the working water. However, the working temperature of each hydraulic actuator is less than the freezing point. If it is too high, it may be a cooling tower that discharges the working water into the air and naturally cools it.
[0015]
Here, the hydraulic pump is a known swash plate type hydraulic pump or a turbo type hydraulic pump in which the working fluid is replaced from oil to water. When the pressure is relatively low, a turbo type hydraulic pump is used. In this case, it is better to use a swash plate type hydraulic pump.
In addition, the hydraulic actuator is obtained by replacing the working fluid of a known swash plate type hydraulic motor, vane type hydraulic motor, hydraulic cylinder or the like from oil to water, and when the pressure is relatively low, a vane type hydraulic motor is used. In the case of high pressure, it is better to use a swash plate type hydraulic motor.
[0016]
Therefore, according to this invention, the meat block processing means such as the demolition device, the deboning device, the weighing device, and the packaging device that operate at a low temperature of 0 ° C. or higher (preferably about 5 ° C.) is always kept at the low temperature. It can be driven by a hydraulic actuator that operates with hydraulic water, and the freshness and bactericidal properties of the meat block are maintained well, while there is no problem of environmental pollution of waste water, and it is possible to use tap water that is inexpensive and easy to introduce. It is possible to provide a meat production system equipped with a hydraulic drive device having a low-cost, low-fire, explosion-proof and high-pressure hydraulic actuator with a small and high output.
[0017]
In the present invention, preferably, a cleaning device for cleaning the appliance used for the meat block processing means is provided, a part of the working water is introduced into the cleaning device, and the appliance is cleaned with the operating water. Constitute.
If comprised in this way, a part of the working water after driving the hydraulic actuator for operating the meat block processing means will be diverted to the cleaning device, and the equipment used for the meat block processing means in the cleaning device will be cleaned Therefore, a special cleaning water supply system is not required, the apparatus is simplified, and the apparatus cost can be reduced.
As will be described later, when an antifreeze is added to the working water, the instrument is not washed with a part of the working water.
[0018]
In this invention, it is preferable that the processing chamber heat exchanger for maintaining the processing chamber at a predetermined low temperature of 0 ° C. or less, and the operation for exchanging heat between the working water and the refrigerant to be supplied to the hydraulic actuator. A working water heat exchanger that holds water at a predetermined low temperature of 0 ° C. or higher, and holds the processing chamber at a predetermined low temperature of 0 ° C. or lower by the processing chamber heat exchanger, and the working water heat The meat pressure block can be manufactured under a predetermined low temperature of 0 ° C. or lower in an unmanned state by operating the hydraulic actuator with the operating water held at the predetermined low temperature of 0 ° C. or higher by an exchanger.
Further, a cooling fluid cooled to a low temperature in the processing chamber heat exchanger is introduced into the working water heat exchanger, and the working water heat exchanger exchanges heat with the working water using the cooling fluid as a refrigerant. It is good to comprise so that working water may be kept at the predetermined low temperature.
[0019]
If comprised in this way, the action | operation of the hydraulic actuator which act | operates a plurality of meat block processing means, hold | maintains a process chamber at the predetermined low temperature below 0 degreeC (preferably about -10 degreeC) with a process chamber heat exchanger Manufacturing the meat block by stably holding the water in the processing chamber and the plurality of meat block processing means and the hydraulic actuator by holding the water at the low temperature by the operating water heat exchanger and driving the hydraulic actuator. Since the work can be performed, the meat block can be manufactured with the low-temperature processing chamber unattended, and labor saving of the meat block manufacturing work can be realized.
In addition, since the cooling fluid in the processing chamber heat exchanger that keeps the processing chamber at a predetermined low temperature can be used as a cooling heat source for the working water heat exchanger, a cooling heat source such as a special refrigeration apparatus can be used for cooling the working water. It becomes unnecessary and the apparatus is simplified and the apparatus cost can be reduced.
[0020]
Preferably, in the invention, the working chamber is kept at a normal temperature, and the working water fed to the hydraulic actuator is kept at a predetermined low temperature of 0 ° C. or more by exchanging heat between the working water and the refrigerant. The hydraulic actuator is configured to operate the hydraulic actuator with the working water held at the predetermined low temperature by the working water heat exchanger in a state where the working chamber is kept at a normal temperature.
[0021]
If comprised in this way, by holding | maintaining the working water of a hydraulic actuator to the predetermined low temperature of 0 degreeC or more with an operation | movement hydraulic heat exchanger, and operating the several meat block processing means by this hydraulic actuator, the plurality of units The meat block processing means and the hydraulic actuator can be stably maintained at the low temperature to produce the meat block, and the operator can operate the meat block processing means in a processing chamber maintained at room temperature. Work can be done easily.
[0022]
Preferably, in this invention, a pump outlet working water temperature sensor for detecting a temperature of the working water at the hydraulic pump outlet, and the working water heat exchange based on a detected value of the working water temperature from the pump outlet working water temperature sensor. And a controller for controlling the capacity of the vessel.
If comprised in this way, the capacity | capacitance control of a working water heat exchanger, ie, the degree of cooling, is adjusted based on the detected value of the working water temperature at the outlet of the hydraulic pump, so that the working water temperature to the hydraulic actuator is a predetermined value of 0 ° C. The meat block can be produced while being stably held at a low temperature.
[0023]
In the invention, preferably, a flow rate adjusting valve provided at the working water inlet of each hydraulic actuator to adjust the flow rate of the working water to the hydraulic actuator, and an operation for detecting the temperature of the working water at each hydraulic actuator inlet. Based on the water actuator inlet temperature sensor and the detected value of the operating water temperature input from the operating water actuator inlet temperature sensor, the opening of the flow control valve is adjusted so that the operating water temperature at each hydraulic actuator inlet becomes the target temperature. And a controller for controlling.
[0024]
If comprised in this way, since temperature control by flow volume adjustment is performed for each hydraulic actuator for meat block processing means based on the detected value of the working water temperature, it is possible to operate the hydraulic actuator at different temperatures for each meat block processing means. it can. That is, even when the optimum operating temperature is different, for example, the deboning device and the weighing device or the packaging device, the optimum operating temperature of the hydraulic actuator is controlled by temperature control based on the flow rate adjustment based on the detected value of the operating water temperature for each hydraulic actuator. It can be freely adjusted by the meat block processing means.
[0027]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. However, unless otherwise specified, the dimensions, shapes, relative arrangements, and the like of the components described in this embodiment are merely illustrative examples and not intended to limit the scope of the present invention.
[0028]
FIG. 1 is a system diagram showing the configuration of a chicken meat block manufacturing system equipped with a hydraulic drive device according to a first embodiment of the present invention, FIG. 2 is a control block diagram in the first embodiment, and FIG. 3 is a second embodiment. It is a principal part systematic diagram which shows an example.
[0029]
In FIG. 1 showing the system diagram of the first embodiment, reference numeral 100 denotes a processing chamber, which is thermally shut off by the heat insulating wall 102 with respect to the outdoor 101 and sucks air in the processing chamber 100 by the indoor cooler 39. By cooling, it is kept at a low temperature of about −10 ° C. to 0 ° C. Reference numeral 40 denotes a refrigeration apparatus that sends a cooling refrigerant to the indoor cooler 39.
31 is a loading conveyor for carrying a hollow carcass (chicken body from which the internal organs have been removed), which is a workpiece, into the processing chamber 100. The loading conveyor 31 includes a cleaning device 37 and a large spreader 33 described later. Further, the meat removal machine 34, the thigh meat removal machine 35, the measuring device 36, and the packaging machine 38 are connected to a transport conveyor 32 that transports the workpiece.
[0030]
As described above, 37 is a cleaning device, 33 is a large spreader, 34 is a breast deboner, 35 is a thigh deboner, 36 is a weighing machine, and 38 is a packaging machine. The workpiece carried into the processing chamber 100 is transported by the conveyor 32, and the hollow carcass (the chicken body from which the internal organs have been removed) is washed by the washing device 37, In the large spreader 33, the upper body with wings, the thigh with bone, the waist and the like are separated, and the breast deboning machine 34 debones the chest part which is the upper half of the chicken, while the thigh meat deboning machine 35 The thigh meat with bone is deboned.
Then, the meat block that was deboned by the breast meat removing machine 34 and the thigh meat removing machine 35 was measured by the measuring device 36 so as to have a predetermined product weight to form a meat block product. Then, it is packaged by the packaging machine 38 and carried outside.
[0031]
The large spreader 33, breast meat removing machine 34, thigh meat removing machine 35, measuring instrument 36, and packaging machine 38 have hydraulic motors 4, 5, 6, 7, and 16 for operating these devices. Each is attached. Reference numeral 30 denotes a transport conveyor drive device for driving the transport conveyor 32, and the transport motor drive device 30 is also provided with a hydraulic motor 8 for operating the device 30.
Each of the hydraulic motors 4, 5, 6, 7, 16, and 8 is obtained by replacing the working fluid of a known swash plate type hydraulic motor, vane type hydraulic motor, hydraulic cylinder, or the like from oil to water, and at a low pressure. It is preferable to use a vane type hydraulic motor, and in the case of high pressure, a swash plate type hydraulic motor is preferably used (the internal structure of the hydraulic motor is well known, and a detailed description of the structure is omitted).
[0032]
2 is a water tank in which the working water to the hydraulic motors 4, 5, 6, 7, 16 and 8 is accommodated, 1 is the working water in the water tank 2, and each of the hydraulic motors 4, 5, 6, 7, It is a hydraulic pump that pumps to 16 and 8.
The hydraulic pump 1 is a known swash plate type hydraulic pump or a turbo type hydraulic pump in which the working fluid is replaced from oil to water. A turbo type hydraulic pump is used for low pressure, and a swash plate type for high pressure. It is preferable to use a water pressure pump (the internal structure of the water pressure pump is well known, and a detailed description of the structure is omitted).
[0033]
Reference numeral 17 denotes a working water supply pipe whose inlet side is connected to the discharge port of the hydraulic pump 1, and 3 is a main on-off valve that opens and closes the conduit of the working water supply pipe 17. The outlet side of the working water supply pipe 17 is a working water pipe 24 to the hydraulic motor 4 for the large spreader 33, a working water pipe 23 to the hydraulic motor 5 of the breast deboning machine 34, and a thigh deboning machine 35. The working water pipe 25 to the hydraulic motor 6, the working water pipe 26 to the hydraulic motor 7 of the meter 36, the working water pipe 27 to the hydraulic motor 16 of the packaging machine 38, and the working water pipe to the hydraulic motor 8 for the transport conveyor drive device 30. 013 is connected in parallel to each other, and high-pressure hydraulic water pumped by the hydraulic pump 1 is diverted from the hydraulic water supply pipe 17 to the hydraulic water pipes 24, 23, 25, 26, 27, and 013, and Each hydraulic motor 4, 5, 6, 7, 16, and 8 is supplied.
[0034]
The hydraulic water outlets of the hydraulic motors 4, 5, 6, 7, 16, and 8 join the hydraulic water discharge pipe 18 through the hydraulic water pipes 51, 52, 53, 54, 55, and 50.
In addition, each hydraulic water pipe 24, 23, 25, 26, 27, 013 near the hydraulic motor 4, 5, 6, 7, 16, 8 has an inlet side 1 port and an outlet side 2 port on the outlet side Regulating valves 9, 10, 11, 12, 15, and 13 having a two-port flow distribution function are installed.
One outlet of each of the regulating valves 9, 10, 11, 12, 15, 13 is connected to the working water inlet of each of the hydraulic motors 4, 5, 6, 7, 16, 8, and the other outlet is The working water pipes 51, 52, 53, 54, 55, and 50 are connected to the working water pipes 51, 58, 59, 60, 61, and 63, respectively.
[0035]
Reference numeral 20 denotes a working water heat exchanger, into which the working water after driving the hydraulic motors 4, 5, 6, 7, 16, 8 through the working water discharge pipe 18 is introduced. A cooling fluid cooled to a low temperature by the indoor cooler (processing chamber heat exchanger) 39 is introduced to the refrigerant side of the working water heat exchanger 20, and the cooling fluid and each of the hydraulic motors 4, 5, 6, 7 are introduced. , 16 and 8 are exchanged with the operating water after driving to cool the operating water.
The working water cooled by the working water heat exchanger 20 is returned to the water tank 2 through the working water pipe 21.
22a is a refrigerant inlet pipe for supplying a refrigerant from the indoor cooler 39 to the working water heat exchanger 20, and 22b is a refrigerant inlet pipe for returning the refrigerant from the refrigerant outlet of the working water heat exchanger 20 to the indoor cooler 39. . A refrigerant adjustment valve 29 opens and closes the refrigerant inlet pipe 22a and adjusts the passage area of the refrigerant inlet pipe 22a.
[0036]
According to the above-described configuration, the water pressure from the water tank 2 through the hydraulic pump 1 and the working water supply pipe 17, the water pressure motor 4 for the large spreader 33, the water pressure motor 5 for the breast deboner 34, and the water pressure for the thigh meat deboner 35. The motor 6, the water pressure motor 7 for the measuring device 36, the water pressure motor 16 for the packaging machine 38, and the water pressure motor 8 for the transport conveyor drive device 30 are connected in parallel, and from these water pressure motors 4, 5, 6, 7, 16, 8 A working water circulation path comprising a closed circuit returning to the water tank 2 through the working water discharge pipe 18 and the working water heat exchanger 20 is formed.
[0037]
62 is a water supply device into which tap water is introduced, and is connected to an upstream portion of the working water discharge pipe 18 from the working water heat exchanger 20 in the working water circulation path via a water supply pipe 63. Yes. 63a is an open / close valve for opening and closing the pipe of the water supply pipe 63.
Reference numeral 28 denotes a washing water pipe branched from the working water discharge pipe 18 and connected to the washing apparatus 37, and 56 is a drain pipe for discharging washing waste water of the washing apparatus 37 to the outside.
As will be described later, when antifreeze is mixed into the working water, the working water is not supplied to the cleaning device 37.
[0038]
In such an embodiment, the working water whose temperature is adjusted to a predetermined low temperature of 0 ° C. or higher, preferably about 5 ° C., and is pressurized to a high pressure by one hydraulic pump 1 by the working water heat exchanger 20 described later is When the main on-off valve 3 is opened, it passes through the working water supply pipe 17 and is diverted from the working water supply pipe 17 to the respective working water pipes 24, 23, 25, 26, 27, 013, and installed in each working water pipe. Passing through the adjusted valves 9, 10, 11, 12, 15, 13, the hydraulic motor 4 for the large spreader 33, the hydraulic motor 5 for the breast deboner 34, and the hydraulic motor 6 for the thigh deboner 35 The water pressure motor 7 for the meter 36, the water pressure motor 16 for the packaging machine 38, and the water pressure motor 8 for the conveyer drive device 30 are supplied to drive the water pressure motors 4, 5, 6, 7, 16, 8 respectively.
[0039]
The operating water heated by driving each hydraulic motor 4, 5, 6, 7, 16, 8 joins the operating water discharge pipe 18 through the operating water pipes 51, 52, 53, 54, 55, 50 on the outlet side. Then, it is introduced into the working water heat exchanger 20 from the working water discharge pipe 18.
In the working water heat exchanger 20, the cooling fluid cooled to a low temperature by the indoor cooler 39 and the heated working water after driving the hydraulic motors 4, 5, 6, 6, 16, 8 are heated. Replace and cool the working water.
That is, in the working water heat exchanger 20, heat is exchanged between the refrigerant introduced from the indoor cooler 39 through the refrigerant inlet pipe 22a and the refrigerant regulating valve 29, and the heated working water to perform the operation. Cool the water. The working water cooled by the working water heat exchanger 20 is returned to the water tank 2 through the working water pipe 21.
On the other hand, the refrigerant after cooling the working water is returned to the indoor cooler 39 through the refrigerant outlet pipe 22b.
[0040]
If comprised as mentioned above, the hydraulic motor 4 for the large spreader 33, breast removal will be carried out while maintaining the inside of the processing chamber 100 at a predetermined low temperature of 0 ° C. or less, preferably about −10 ° C. by the indoor cooler 39. The working water of the hydraulic motor 5 for the bone machine 34, the hydraulic motor 6 for the thigh deboning machine 35, the hydraulic motor 7 for the measuring device 36, the hydraulic motor 16 for the packaging machine 38, and the hydraulic motor 8 for the transport conveyor drive device 30 is used as the above. By holding the hydraulic motor 1 while being kept at a predetermined low temperature of 0 ° C. or more by the working water heat exchanger 20, the inside of the processing chamber 100 and the large spreader 33, the breast deboner 34, the thigh deboner 35, stably holding a plurality of meat block processing means such as the weighing device 36 and the packaging machine 38 and the hydraulic motors 4, 5, 6, 7, 16 for driving the meat block processing means at the predetermined low temperature. No meat block manufacturing work Runode, it is possible to produce meat block to the cold working chamber 100 into unattended.
Further, since the cooling fluid in the indoor cooler 39 that keeps the inside of the processing chamber 100 at the low temperature can be used as a cooling heat source for the working water heat exchanger 20, a cooling heat source such as a special refrigeration apparatus for cooling the working water can be used. It becomes unnecessary and the apparatus is simplified.
[0041]
When the working water is allowed to act at a temperature higher than the freezing point, a cooling tower that discharges the working water into the air and naturally cools it may be used instead of the working water heat exchanger 20. .
[0042]
As described above, according to this embodiment, a large spreader 33, a breast deboner 34, a thigh deboner 35, and a measuring instrument 36 that operate at a predetermined low temperature of 0 ° C. or higher, preferably about 5 ° C. The meat block processing means such as the packaging machine 38 can be driven by a hydraulic drive system provided with hydraulic motors 4, 5, 6, 7, and 16 that are operated with hydraulic water that is constantly held at the predetermined low temperature. Become.
Therefore, according to this embodiment, while maintaining the freshness and bactericidal properties of the processed meat block, there is no problem of environmental pollution of waste water, and cheap and easy to introduce tap water can be used. It is possible to obtain a meat production system that can be operated with a hydraulic system having a low-cost, high fireproof and explosion-proof property, and a small and high-output hydraulic motor.
[0043]
Further, in this embodiment, when an antifreeze as will be described later is not used, meat blocks such as the large spreader 33, the breast deboner 34, the thigh deboner 35, the measuring instrument 36, and the packaging machine 38 are used. A cleaning device for cleaning the tool used for the processing means is provided, and a part of the working water is introduced into the cleaning device, and the tool is cleaned with the working water.
If comprised in this way, a part of the working water after driving the hydraulic motor for operating the meat block processing means will be diverted to the cleaning device, and the equipment used for the meat block processing means in the cleaning device will be cleaned Therefore, a special cleaning water supply system is not required, the apparatus is simplified, and the apparatus cost can be reduced.
[0044]
Next, the control operation in this embodiment will be described with reference to FIG.
A pump outlet working water temperature sensor 72 detects the temperature of the working water at the outlet of the hydraulic pump 1 in the working water supply pipe 17.
Reference numerals 73, 74, 75, 76, and 77 denote operating water inlet temperature sensors of the respective hydraulic motors, which detect the temperature of the operating water at the inlets of the hydraulic motors 4, 5, 6, 7, and 16.
70 is a controller, to which the detected value of the working water temperature at the outlet of the hydraulic pump 1 is inputted from the pump outlet working water temperature sensor 72, and the hydraulic motor working water inlet temperature sensors 73, 74, 75, The detected values of the working water temperature at the inlets of the hydraulic motors 4, 5, 6, 7, 16 are input from 76, 77.
[0045]
The controller 70 controls the capacity of the working water heat exchanger 20 based on the detected value of the working water temperature at the outlet of the hydraulic pump 1 from the pump outlet working water temperature sensor 72, that is, adjusts the refrigerant to the working water heat exchanger 20. The opening degree of the valve 29 is adjusted. That is, the controller 70 adjusts the degree of cooling of the working water heat exchanger 20 by adjusting the opening of the refrigerant adjustment valve 29 so that the detected working water temperature value becomes a preset working water temperature. To do.
The controller 70 also controls the operation of the hydraulic pump 1 via the pump control device 71.
Further, the controller 70 also performs opening / closing control of the main opening / closing valve 3 for opening / closing the working water supply pipe 17 as necessary.
The set value of the working water temperature is preferably about 0 to 5 ° C. when normal tap water is used as the working water, and −10 to 0 ° C. when antifreeze is injected into the tap water as described later. It is.
[0046]
If comprised in this way, this hydraulic motor 4,5,6,7 will be adjusted by adjusting the capacity control, ie, the cooling degree, of the working water heat exchanger 20 based on the detected value of the temperature of the working water at the outlet of the hydraulic pump 1. , 16 can stably produce the meat block while maintaining the working water temperature at the set value as described above.
[0047]
Further, the controller 70 is based on the detected value of the operating water temperature at the inlets of the hydraulic motors 4, 5, 6, 7, 16 from the hydraulic motor operating water inlet temperature sensors 73, 74, 75, 76, 77. Control of the flow rate of the regulating valves 9, 10, 11, 12, 15 at the inlets of the hydraulic motors 4, 5, 6, 7, 16; that is, the flow rate to flow through the outlet ports of the hydraulic motors 4, 5, 6, 7, 16 And the flow rate distribution adjustment with the flow rate to flow through the bypass pipe 57, 58, 59, 60, 61 side outlet port.
That is, the controller 70 sets the hydraulic water temperature at the inlet of each hydraulic motor 4, 5, 6, 7, 16 based on the detected value of the hydraulic water temperature at the inlet of each hydraulic motor 4, 5, 6, 7, 16 in advance. The flow distribution of each of the regulating valves 9, 10, 11, 12, 15 is adjusted so that the target temperature is set.
[0048]
If comprised in this way, since temperature control by flow distribution adjustment is performed for each hydraulic motor 4, 5, 6, 7, 16 for the meat block processing means based on the detected value of the operating water temperature, the hydraulic motor is Each meat block processing means can be operated at different temperatures.
That is, even when the optimum operating temperature is different, such as the breast boning machine 34 or the thigh boning machine 35 and the measuring device 36 or the packaging machine 38, the flow distribution adjustment based on the detected value of the working water temperature By the temperature control by, the optimum operating temperature can be freely adjusted by the meat block processing means.
[0049]
Next, reference numeral 19 denotes an antifreeze injection device, which injects antifreeze into the inlet of the hydraulic pump 1 of the working water supply pipe 17 or the water tank 2. As the antifreeze, propylene glycol, alcohol, or the like is used. However, since the propylene glycol has lubricity, it is suitable for a hydraulic pump and a hydraulic motor having many sliding portions.
If comprised in this way, by inject | pouring antifreeze liquid into the working water to each hydraulic motor 4,5,6,7,16, it will be about -10 degreeC which is the optimal operating temperature of the said meat block processing means. Even if it becomes, it becomes possible to operate the meat block processing means stably at low temperature without freezing the working water.
[0050]
Further, as shown in FIG. 2, the controller 70 is configured to control the antifreeze injection amount by the antifreeze injection device 19 based on the detected value of the temperature of the working water at the outlet of the hydraulic pump 1.
If comprised in this way, since the antifreeze liquid injection amount is controlled based on the detected value of the hydraulic pump 1 outlet working water temperature, the antifreeze liquid injection amount can be controlled to the minimum within a range in which the working water does not freeze.
[0051]
In the second embodiment shown in FIG. 3, a working water heat exchanger 81 is installed on the hydraulic pump 1 outlet side of the working water supply pipe 17, and the working water discharge pipe 18 is directly connected to the water tank 2. Yes. Further, a water supply pipe 63 from the water supply device 62 is connected to the water tank 2. 63a is an open / close valve that opens and closes the pipe of the water supply pipe 63.
Other configurations are the same as those of the first embodiment, and the same members are denoted by the same reference numerals.
[0052]
In the second embodiment, the operating water heat exchanger 81 increases the set temperature of the indoor cooler 39 or stops the indoor cooler 39 and keeps the processing chamber 100 at room temperature. The hydraulic motor is operated by operating water maintained at a predetermined low temperature of 0 ° C. or higher for operating meat block processing means such as a machine 33, a breast deboning machine 34, a thigh deboning machine 35, a measuring instrument 36, a packaging machine 38, etc. 4,5,6,7,16 are configured to operate.
[0053]
If comprised in this way, the hydraulic water of hydraulic motor 4,5,6,7,16 will be hold | maintained to the low temperature of 0 degreeC or more with the hydraulic fluid heat exchanger 81, and this hydraulic motor 4,5,6,7,16 will be kept. By operating a plurality of meat block processing means (the large spreader 33, breast deboner 34, thigh deboner 35, measuring device 36, packaging machine 38, etc.), the plurality of meat blocks The processing means and hydraulic motors 4, 5, 6, 7, and 16 can be stably maintained at the predetermined low temperature to produce meat blocks, and the operator can operate in the processing chamber 100 maintained at room temperature. Various operations such as operation of the meat block processing means can be easily performed.
[0054]
【The invention's effect】
As described above, according to the present invention, a dismantling device that operates at a predetermined low temperature of 0 ° C. or higher, one or more deboning devices, one or more weighing devices, one or more packaging devices. It is possible to drive the meat block processing means such as the above by a hydraulic actuator that operates with the hydraulic water that is always kept at the low temperature, while maintaining the freshness and bactericidal properties of the meat block, There is no problem, cheap and easy to use tap water can be used, the disposal cost is low, fire prevention and explosion proofing, and a meat production system equipped with a hydraulic drive device with a small and high output hydraulic actuator can be provided .
[Brief description of the drawings]
FIG. 1 is a system diagram showing a configuration of a chicken meat block manufacturing system including a hydraulic drive device according to a first embodiment of the present invention.
FIG. 2 is a control block diagram in the first embodiment.
FIG. 3 is a main part system diagram showing a second embodiment;
[Explanation of symbols]
1 Hydraulic pump
2 Water tank
3 Main valve
4, 5, 6, 7, 8, 16 Hydraulic motor
9, 10, 11, 12, 15, 13 Regulating valve
17 Working water supply pipe
18 Working water discharge pipe
19 Antifreeze injection device
20, 81 Working water heat exchanger
23, 24, 25, 26, 27, 013
29 Refrigerant adjustment valve
30 Conveyor drive device
32 Conveyor
33 Large spreader
34 Breast deboning machine
35 Thigh Meat Deboning Machine
36 Weighing scale
37 Cleaning device
38 Packaging machine
39 Indoor cooler
50, 51, 52, 53, 54, 55 Working water pipe
57, 58, 59, 60, 61, 63 Bypass pipe
62 Water supply device
70 controller
71 Pump controller
72 Pump outlet working water temperature sensor
73, 74, 75, 76, 77 Actuator water inlet temperature sensor
100 processing room

Claims (12)

所定温度に保持された加工室内に搬入された鶏肉、牛肉、豚肉等の食肉屠体を食肉ブロック加工手段により解体、脱骨して製品としての食肉ブロックを製造する食肉製造システムにおいて、
加圧された作動水により作動せしめられて前記食肉ブロック加工手段を駆動する水圧アクチュエータと、前記作動水を所定圧力に加圧し作動水通路を通して前記水圧アクチュエータに送給する水圧ポンプとを備えてなり、
更に前記水圧ポンプの入口側に不凍液を注入する不凍液注入装置を設けてなることを特徴とする水圧駆動装置を備えた食肉製造システム。
In a meat production system for producing meat blocks as products by disassembling and deboning meat carcasses such as chicken, beef, pork etc. brought into a processing chamber maintained at a predetermined temperature by meat block processing means,
It comprises a hydraulic actuator for driving the meat block processing means is actuated by pressurized hydraulic water, and a feed Kyusuru hydraulic pump to said hydraulic actuator through a pressurized hydraulic water path the working water to a predetermined pressure ,
Furthermore, the meat production system provided with the hydraulic drive device characterized by providing the antifreeze injection device which inject | pours antifreeze into the inlet side of the said hydraulic pump .
食肉ブロック加工手段は、食肉屠体を解体して複数の骨付き状態の中間体に加工する解体装置と、この骨付き中間体を脱骨して製品としての食肉ブロックに加工する1台または複数台の脱骨装置と、前記食肉ブロックを計量する1台または複数台の計量装置と、該計量装置にて計量後の食肉ブロック製品を包装する1台または複数台の包装装置を含み、該解体装置及び脱骨装置及び計量装置及び包装装置の夫々にこれらを駆動する水圧アクチュエータを設置し、1台の水圧ポンプにより複数台の該水圧アクチュエータに作動水を供給するように構成するとともに、
前記水圧ポンプの入口側に不凍液を注入する不凍液注入装置を設けてなることを特徴とする水圧駆動装置を備えた食肉製造システム。
The meat block processing means includes a dismantling device that disassembles the meat carcass and processes it into a plurality of bone-attached intermediates, and one or more that debones the bone-attached intermediates and processes them into meat blocks as products. A deboning device, one or a plurality of weighing devices for weighing the meat block, and one or a plurality of packaging devices for packaging the meat block product after weighing with the weighing device, established the water pressure actuator you driving these devices and the respective deboned device and metering device and the packaging device, as well as configured to supply hydraulic water to a plurality of said hydraulic actuators by a single hydraulic pump,
A meat production system comprising a hydraulic drive device, wherein an antifreeze injection device for injecting an antifreeze solution is provided on the inlet side of the hydraulic pump.
前記水圧ポンプ出口の作動水の温度を検出するポンプ出口作動水温度センサと、該ポンプ出口作動水温度センサからの作動水温度の検出値に基づき前記不凍液注入装置による不凍液注入量を制御するコントローラとを備えてなることを特徴とする請求項1若しくは2記載の水圧駆動装置を備えた食肉製造システム。A pump outlet working water temperature sensor that detects the temperature of the working water at the hydraulic pump outlet, and a controller that controls the amount of antifreeze injected by the antifreeze filling device based on the detected value of the working water temperature from the pump outlet working water temperature sensor; The meat production system provided with the hydraulic drive unit according to claim 1 or 2 . 前記食肉ブロック加工手段の間において前記食肉屠体、骨付き中間体、食肉ブロック等の食肉加工体を搬送する搬送装置を前記水圧アクチュエータにて駆動するように構成してなることを特徴とする請求項2記載の水圧駆動装置を備えた食肉製造システム。  A conveying device that conveys a meat processed body such as the meat carcass, a bone-attached intermediate, and a meat block between the meat block processing means is configured to be driven by the hydraulic actuator. A meat production system comprising the hydraulic drive device according to Item 2. 前記食肉ブロック加工手段に用いられる器具を洗浄する洗浄装置を備え、該洗浄装置に前記作動水の一部を導入し、該作動水により前記器具を洗浄するように構成してなることを特徴とする請求項2記載の水圧駆動装置を備えた食肉製造システム。  A cleaning device for cleaning a tool used for the meat block processing means is provided, wherein a part of the working water is introduced into the cleaning device, and the tool is cleaned with the working water. A meat production system comprising the hydraulic drive device according to claim 2. 前記作動水通路の前記水圧ポンプ出口側に設置されて、作動水と冷媒とを熱交換して前記水圧アクチュエータに送給される作動水を0℃以上の所定の低温に保持する作動水熱交換器を備え、該作動水熱交換器によって前記低温に保持された作動水により前記水圧アクチュエータを作動せしめるように構成してなることを特徴とする請求項1ないし2のいずれか1項に記載の水圧駆動装置を備えた食肉製造システム。  Working water heat exchange installed at the hydraulic pump outlet side of the working water passage to exchange heat between the working water and the refrigerant to keep the working water supplied to the hydraulic actuator at a predetermined low temperature of 0 ° C. or higher. 3. The apparatus according to claim 1, wherein the hydraulic actuator is operated by the operating water held at the low temperature by the operating water heat exchanger. A meat production system with a hydraulic drive. 前記水圧ポンプの作動水入口に接続される水タンクを設置し、該水タンクから前記水圧ポンプを経て、食肉ブロック加工手段を構成する解体装置及び脱骨装置及び計量装置及び包装装置に夫々設置された水圧アクチュエータを並列に接続し、前記各水圧アクチュエータの出口から前記作動水熱交換器を経て前記水タンクに接続される作動水の循環路を形成してなることを特徴とする請求項記載の水圧駆動装置を備えた食肉製造システム。A water tank connected to the working water inlet of the water pressure pump is installed, and from the water tank to the dismantling device, the deboning device, the weighing device, and the packaging device constituting the meat block processing means through the water pressure pump, respectively. connect the hydraulic actuator in parallel, the claim 6, characterized in that by forming a circulation path of the operating water is connected to the water tank via the operating water heat exchanger from the outlet of the hydraulic actuator Meat production system equipped with a hydraulic drive system. 前記加工室内を0℃以下の所定の低温に保持する加工室熱交換器と、前記作動水と冷媒とを熱交換して前記水圧アクチュエータに送給される該作動水を0℃以上の所定の低温に保持する作動水熱交換器とを併設し、前記加工室熱交換器により前記加工室内を前記0℃以下の所定の低温に保持するとともに、前記作動水熱交換器によって前記0℃以上の所定の低温に保持された作動水により前記水圧アクチュエータを作動せしめて、無人状態にて前記0℃以下の所定の低温下で前記食肉ブロックを製造可能としたことを特徴とする請求項1ないし2のいずれか1項に記載の水圧駆動装置を備えた食肉製造システム。  A processing chamber heat exchanger for maintaining the processing chamber at a predetermined low temperature of 0 ° C. or lower, and the working water supplied to the hydraulic actuator by exchanging heat between the hydraulic water and the refrigerant A working water heat exchanger that is kept at a low temperature, and the processing chamber heat exchanger holds the processing chamber at a predetermined low temperature of 0 ° C. or lower, and the working water heat exchanger holds the temperature of 0 ° C. or higher. 3. The meat block can be manufactured at a predetermined low temperature of 0 ° C. or lower in an unmanned state by operating the hydraulic actuator with hydraulic water held at a predetermined low temperature. A meat production system comprising the hydraulic drive device according to any one of the above. 前記加工室熱交換器にて低温に冷却された冷却流体を前記作動水熱交換器に導入し、該作動水熱交換器において前記冷却流体を冷媒として前記作動水と熱交換して該作動水を所定の低温に保持するように構成してなることを特徴とする請求項記載の水圧駆動装置を備えた食肉製造システム。Cooling fluid cooled to a low temperature in the processing chamber heat exchanger is introduced into the working water heat exchanger, and the working water heat exchanger exchanges heat with the working water using the cooling fluid as a refrigerant. The meat production system provided with the hydraulic drive device according to claim 8, wherein the meat is held at a predetermined low temperature. 前記加工室内を常温に保持するとともに、前記作動水と冷媒とを熱交換して前記水圧アクチュエータに送給される該作動水を0℃以上の所定の低温に保持する作動水熱交換器を設け、前記加工室内を常温に保持した状態で、前記作動水熱交換器によって前記低温に保持された作動水により前記水圧アクチュエータを作動せしめるように構成したことを特徴とする請求項1ないし2のいずれか1項に記載の水圧駆動装置を備えた食肉製造システム。  A working water heat exchanger is provided that keeps the processing chamber at a normal temperature and holds the working water supplied to the hydraulic actuator by exchanging heat between the working water and the refrigerant at a predetermined low temperature of 0 ° C. or higher. 3. The hydraulic actuator is configured to be operated by the working water held at the low temperature by the working water heat exchanger in a state where the processing chamber is kept at a normal temperature. 4. A meat production system comprising the hydraulic drive device according to claim 1. 前記水圧ポンプ出口の作動水の温度を検出するポンプ出口作動水温度センサと、該ポンプ出口作動水温度センサからの作動水温度の検出値に基づき前記作動水熱交換器の容量制御を行うコントローラとを備えてなることを特徴とする請求項に記載の水圧駆動装置を備えた食肉製造システム。A pump outlet working water temperature sensor that detects the temperature of the working water at the hydraulic pump outlet, and a controller that controls the capacity of the working water heat exchanger based on a detected value of the working water temperature from the pump outlet working water temperature sensor; The meat manufacturing system provided with the hydraulic drive device according to claim 6 . 前記各水圧アクチュエータの作動水入口に設けられて該水圧アクチュエータへの作動水流量を調整する流量調整弁と、前記各水圧アクチュエータ入口における作動水の温度を検出する作動水アクチュエータ入口温度センサと、前記作動水アクチュエータ入口温度センサから入力される作動水温度の検出値に基づき前記各水圧アクチュエータ入口の作動水温度が目標温度になるように前記流量調整弁の開度を制御するコントローラとを備えてなることを特徴とする請求項1ないし2のいずれか1項に記載の水圧駆動装置を備えた食肉製造システム。  A flow rate adjusting valve provided at a working water inlet of each hydraulic actuator to adjust a flow rate of working water to the hydraulic actuator; a working water actuator inlet temperature sensor for detecting a temperature of working water at each hydraulic actuator inlet; And a controller for controlling the opening degree of the flow rate adjusting valve so that the operating water temperature at each hydraulic actuator inlet becomes a target temperature based on the detected value of the operating water temperature input from the operating water actuator inlet temperature sensor. A meat production system comprising the hydraulic drive device according to any one of claims 1 to 2.
JP2003152078A 2003-05-29 2003-05-29 Meat production system with hydraulic drive Expired - Lifetime JP3932124B2 (en)

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