JP2003291903A - Device for heating seal part of resin tube - Google Patents
Device for heating seal part of resin tubeInfo
- Publication number
- JP2003291903A JP2003291903A JP2002099203A JP2002099203A JP2003291903A JP 2003291903 A JP2003291903 A JP 2003291903A JP 2002099203 A JP2002099203 A JP 2002099203A JP 2002099203 A JP2002099203 A JP 2002099203A JP 2003291903 A JP2003291903 A JP 2003291903A
- Authority
- JP
- Japan
- Prior art keywords
- hot air
- nozzle
- resin tube
- spiral
- seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
- B29C65/103—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces to be joined
-
- 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
- B29C66/43123—Closing the ends of squeeze tubes, e.g. for toothpaste or cosmetics
-
- 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
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
- B29C66/81435—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned comprising several parallel ridges, e.g. for crimping
-
- 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
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8167—Quick change joining tools or surfaces
-
- 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
- B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool 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
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Closing Of Containers (AREA)
- Tubes (AREA)
- Package Closures (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、樹脂性チューブ
のシール部加熱装置に関するものであり、特に、化粧品
や接着材等の充填物を充填するための樹脂性チューブで
あって、該樹脂性チューブをクランプシールすべく、該
樹脂性チューブのシール部となる端部に熱風を噴出して
加熱し、軟化溶融させる樹脂性チューブのシール部加熱
装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for heating a seal portion of a resin tube, and more particularly to a resin tube for filling a filling material such as cosmetics or adhesives. The present invention relates to a device for heating a seal portion of a resin tube, in which hot air is jetted and heated to soften and melt the end portion which is a seal portion of the resin tube for clamp sealing.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来の
此種樹脂性チューブについて図５乃至図１０に従って説
明する。図５に於て、１は化粧品或いは接着材等の充填
物が充填された完成品としての樹脂性チューブであり、
該樹脂性チューブ１は可撓性の合成樹脂で成形され、該
樹脂性チューブ１のチューブ本体２一端部には注出口
（図示せず）を備えた首部２ａと、該首部２ａと該チュ
ーブ本体２端部とを全周に及んで結合する肩部２ｂとが
該チューブ本体２と一体に成形されており、該首部２ａ
にねじ付きキャップ３が着脱自在に設けられており、更
に、該チューブ本体２内に充填物（図示せず）が充填さ
れ、前記チューブ本体２の他端部は熱融着によりクラン
プシールされている。2. Description of the Related Art A conventional resin tube of this type will be described with reference to FIGS. In FIG. 5, reference numeral 1 is a resin tube as a finished product filled with a filling material such as cosmetics or an adhesive,
The resin tube 1 is formed of a flexible synthetic resin, and a neck portion 2a having a spout (not shown) at one end of the tube body 2 of the resin tube 1, the neck portion 2a and the tube body. A shoulder portion 2b that connects the two ends over the entire circumference is integrally formed with the tube body 2, and the neck portion 2a is formed.
A threaded cap 3 is detachably attached to the tube body 2, and a filling material (not shown) is filled in the tube body 2, and the other end of the tube body 2 is clamp-sealed by heat fusion. There is.
【０００３】次に、前記樹脂性チューブ１の充填物充填
方法及びクランプシールの方法を説明すると、先ず、図
６に示す如く、前記樹脂性チューブ１にキャップ３を取
付けて前記注出口を閉じると共に、該キャップ３側を下
方にして該樹脂性チューブ１を上下逆方向に保持し、前
記チューブ本体２の上端部２ｃを開口させ、充填物Ｆを
充填するための充填ノズル４を該上端部２ｃ内に挿入
し、該チューブ本体２内に充填物Ｆを充填する。Next, a method of filling the resin tube 1 with a filler and a method of clamp sealing will be described. First, as shown in FIG. 6, a cap 3 is attached to the resin tube 1 to close the spout. The resin tube 1 is held upside down with the cap 3 side facing downward, the upper end 2c of the tube body 2 is opened, and the filling nozzle 4 for filling the filling material F is provided with the upper end 2c. Then, the filling material F is filled in the tube body 2.
【０００４】次に、図７に示す如く、前記樹脂性チュー
ブ１をシール部加熱装置５内に搬入し、該樹脂性チュー
ブ１のクランプシール部となる上端部２ｃの開口内に、
該シール部加熱装置５に設けられた熱風ノズル６先端部
を所定長さ挿入させる。ここで、該シール部加熱装置５
について説明すると、該シール部加熱装置５に設けられ
た熱風ノズル６は先端部外周に熱風を放射方向に噴出す
る単純多孔ノズル式の複数の噴出孔６ａ，６ａ…が形成
されており、該熱風ノズル６は熱源を備えた熱風発生器
（図示せず）に接続されている。尚、前記単純多孔ノズ
ル式の噴出孔６ａに代えて、単純隙間ノズル式（スリッ
ト式）噴出孔を用いているものも知られている。Next, as shown in FIG. 7, the resinous tube 1 is carried into the seal portion heating device 5, and is inserted into the opening of the upper end portion 2c which serves as a clamp seal portion of the resinous tube 1.
The tip portion of the hot air nozzle 6 provided in the seal heating device 5 is inserted by a predetermined length. Here, the seal heating device 5
The hot air nozzle 6 provided in the seal part heating device 5 is formed with a plurality of ejection holes 6a, 6a ... Of a simple porous nozzle for ejecting hot air in the radial direction on the outer periphery of the tip part. The nozzle 6 is connected to a hot air generator (not shown) having a heat source. It is known that a simple gap nozzle type (slit type) ejection hole is used instead of the simple porous nozzle type ejection hole 6a.
【０００５】又、前記熱風ノズル６は所定間隔を有して
排気管７に囲繞されており、該排気管７は下流側（図に
於て上部側）が排気を吸引するためのブロアー（図示せ
ず）に接続され、該排気管７の下端部は前記熱風ノズル
６の先端部よりもやや下方に延設され、該下端部には中
央部に開口部７ａを備えた内向きフランジ７ｂが形成さ
れ、該開口部７ａは前記チューブ本体２の上端部２ｃの
開口状態に於ける外径よりもやや大径に形成されてい
る。Further, the hot air nozzle 6 is surrounded by an exhaust pipe 7 with a predetermined interval, and the exhaust pipe 7 has a blower for sucking exhaust gas on the downstream side (upper side in the figure). (Not shown), the lower end of the exhaust pipe 7 extends slightly below the tip of the hot air nozzle 6, and the lower end is provided with an inward flange 7b having an opening 7a in the center. The opening 7a is formed to have a diameter slightly larger than the outer diameter of the upper end 2c of the tube body 2 in the opened state.
【０００６】而して、前記熱風発生器から導入された熱
風は前記熱風ノズル６内に流入し、該熱風ノズル６に設
けられた噴出孔６ａ，６ａ…から噴出した熱風が前記チ
ューブ本体２の上端部２ｃ内周部を加熱した後、高熱排
気として前記排気管７内に流出し、該高熱排気は該排気
管７の下流側に設置されたブロアーによって吸引されて
該排気管７の下流側に排出される。Thus, the hot air introduced from the hot air generator flows into the hot air nozzle 6, and the hot air ejected from the ejection holes 6a, 6a ... After heating the inner peripheral portion of the upper end portion 2c, it flows out into the exhaust pipe 7 as high-heat exhaust gas, and the high-heat exhaust gas is sucked by a blower installed on the downstream side of the exhaust pipe 7 and then on the downstream side of the exhaust pipe 7. Is discharged to.
【０００７】前記チューブ本体２の上端部２ｃが所定温
度に加熱されて軟化溶融されると、該樹脂性チューブ１
は前記シール部加熱装置５から取り外され、図８に示す
シールクランプ装置８内に搬入され、該シールクランプ
装置８のクランプ部８ａによって前記チューブ本体２の
軟化溶融された上端部２ｃがクランプされて融着しシー
ルされる。When the upper end 2c of the tube body 2 is heated to a predetermined temperature and softened and melted, the resin tube 1
Is removed from the seal part heating device 5 and carried into the seal clamp device 8 shown in FIG. 8, and the softened and melted upper end part 2c of the tube body 2 is clamped by the clamp part 8a of the seal clamp device 8. It is fused and sealed.
【０００８】然しながら、前述した前記シール部加熱装
置５は熱風を噴射する熱風ノズル６に単純多孔ノズル式
の噴出孔６ａが用いられており、該単純多孔ノズル式の
噴出孔６ａ、或いは、前記単純隙間ノズル式（スリット
式）噴出孔を用いた場合に、熱風の噴出にムラがあり、
又、該熱風は前記樹脂性チューブ１のシール部となる上
端部２ｃ内周部を上方に単純通過するため、図９に示す
前記樹脂性チューブ１のシール部となる上端部２ｃに部
分的に加熱不足部、過熱部が発生して、該上端部２ｃが
均一に過熱されず、図１０に示す如く、前記樹脂性チュ
ーブ１の外観不良や、膨れＳが発生したり、シール不足
が発生しパンクの発生の虞がある。However, in the above-mentioned seal portion heating device 5, the jet hole 6a of the simple porous nozzle type is used for the hot air nozzle 6 for jetting hot air, and the jet hole 6a of the simple porous nozzle type or the simple hole is used. When using a gap nozzle type (slit type) ejection hole, there is unevenness in the ejection of hot air,
Further, since the hot air simply passes through the inner peripheral portion of the upper end portion 2c, which serves as the sealing portion of the resinous tube 1, upwardly, the hot air is partially applied to the upper end portion 2c serving as the sealing portion of the resinous tube 1 shown in FIG. Due to insufficient heating and overheating, the upper end 2c is not uniformly overheated, and as shown in FIG. 10, the resin tube 1 has a poor appearance, swelling S, and insufficient sealing. There is a risk of punctures.
【０００９】更に、実際の製作工程に於ては、前記樹脂
性チューブ１の肉厚のばらつきや、前記熱風ノズル６の
製作上のばらつきの発生の虞もあり、これらによって
も、前記樹脂性チューブ１の外観不良や、膨れＳの発
生、シール不足によるパンクの発生の虞がある。Furthermore, in the actual manufacturing process, there is a risk of variations in the wall thickness of the resin tube 1 and variations in the manufacture of the hot air nozzle 6, which may also cause variations in the resin tube. 1 may cause poor appearance, swelling S, and puncture due to insufficient seal.
【００１０】そこで、樹脂性チューブのシール部となる
端部内周部を均一に加熱して、シール部の外観不良や、
シール不足によるパンクの発生のない、良好なシールを
得るために解決すべき技術的課題が生じてくるのであ
り、本発明はこの課題を解決することを目的とする。Therefore, the inner peripheral portion of the end of the resin tube, which serves as the seal portion, is uniformly heated to cause a defective appearance of the seal portion,
A technical problem to be solved in order to obtain a good seal in which puncture does not occur due to insufficient seal occurs, and an object of the present invention is to solve this problem.
【００１１】[0011]
【課題を解決するための手段】本発明は上記目的を達成
するために提案されたものであり、ノズルから熱風を噴
出して樹脂性チューブのクランプシール部となる端部内
周部を加熱するように構成されて成る樹脂性チューブの
シール部加熱装置に於て、前記ノズルから熱風を放射方
向に、且つ、渦巻状に噴出することができるように構成
されて成る樹脂性チューブのシール部加熱装置、及び上
記ノズルは熱風の噴出口近傍に螺旋状溝、及び／又は、
渦巻状溝を備え、該螺旋状溝、及び／又は、渦巻状溝に
よって、熱風を前記噴出口から放射方向に、且つ、渦巻
状に噴出する渦巻き発生ノズルである樹脂性チューブの
シール部加熱装置、並びに、上記ノズルは熱風の噴出口
近傍に螺旋状孔、及び／又は、渦巻状孔を備え、該螺旋
状孔、及び／又は、渦巻状孔によって、熱風を前記噴出
口から放射方向に、且つ、渦巻状に噴出する渦巻き発生
ノズルである樹脂性チューブのシール部加熱装置を提供
するものである。DISCLOSURE OF THE INVENTION The present invention has been proposed in order to achieve the above object, and hot air is jetted from a nozzle to heat an inner peripheral portion of an end of a resin tube, which is a clamp seal portion. In the heating unit for the sealing portion of the resin tube, the heating unit for heating the sealing portion of the resin tube is configured to be capable of ejecting hot air in a radial direction and in a spiral shape from the nozzle. And the nozzle has a spiral groove in the vicinity of the jet of hot air, and / or
A device for heating a sealing portion of a resin tube, which is a swirl generating nozzle, which has a spiral groove, and in which the spiral airflow and / or the spiral groove ejects hot air radially and spirally from the jet outlet. , And the nozzle is provided with a spiral hole and / or a spiral hole in the vicinity of the hot air jet port, and the hot air is radially emitted from the jet port by the spiral hole and / or the spiral hole, Further, the present invention provides a seal tube heating device for a resin tube, which is a swirl generation nozzle that ejects in a spiral shape.
【００１２】[0012]
【発明の実施の形態】以下、本発明の一実施の形態を図
１乃至図４に従って詳述する。尚、説明の都合上、従来
例と同一構成部分については同一符号を付してその説明
を省略する。図１に於て、９は樹脂性チューブ１のシー
ル部加熱装置であり、該シール部加熱装置９はノズル１
０を備え、該ノズル１０は熱風発生器１１に接続され、
該熱風発生器１１から熱風が導入されるように構成さ
れ、該ノズル１０先端部は樹脂性チューブ１の上端部２
ｃの開口部よりもやや小径に形成され、該先端部外周の
所定位置に噴出口１２が形成されている。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described in detail below with reference to FIGS. For convenience of description, the same components as those of the conventional example will be designated by the same reference numerals and the description thereof will be omitted. In FIG. 1, reference numeral 9 is a seal portion heating device for the resin tube 1, and the seal portion heating device 9 is a nozzle 1
0, the nozzle 10 is connected to a hot air generator 11,
Hot air is introduced from the hot air generator 11, and the tip of the nozzle 10 is the upper end 2 of the resin tube 1.
The diameter is formed to be slightly smaller than the opening portion of c, and the ejection port 12 is formed at a predetermined position on the outer periphery of the tip portion.
【００１３】又、前記ノズル１０の外側には所定間隙を
有して該ノズル１０を囲繞する排気管１３が設けられ、
該ノズル１０と該排気管１３間の間隙が排気孔１４とな
っている。更に、図２に示す如く、該排気管１３の下端
部外側には所定間隙を有して該排気管１３の下方部を囲
繞するように配設された上下面解放の外筒１５が取付け
られている。An exhaust pipe 13 surrounding the nozzle 10 is provided outside the nozzle 10 with a predetermined gap.
A gap between the nozzle 10 and the exhaust pipe 13 serves as an exhaust hole 14. Further, as shown in FIG. 2, an outer cylinder 15 having an upper surface and a lower surface, which is arranged outside the lower end portion of the exhaust pipe 13 so as to surround a lower portion of the exhaust pipe 13, is attached. ing.
【００１４】又、前記排気管１３の外側下端部に突設さ
れた鍔部１３ａと該外筒１５の外側上端部に突設された
鍔部１５ａは架台１６を上下面から挟持し、そして、ボ
ルト１７によって該架台１６に該排気管１３と外筒１５
とが固定されている。そして、該外筒１５の前記下面解
放部１５ｂの内径は、前記樹脂性チューブ１のクランプ
シール部となる上端部２ｃの開口状態に於ける外径より
もやや大径に形成されると共に、該外筒１５の該下面解
放部１５ｂから外気が導入されて前記排気管１３の排気
孔１４内に流入できるように構成されている。尚、図１
及び図２に於て、Ｈは樹脂性チューブ１のホルダーであ
る。Further, the flange portion 13a protruding from the outer lower end portion of the exhaust pipe 13 and the flange portion 15a protruding from the outer upper end portion of the outer cylinder 15 sandwich the frame 16 from above and below, and The exhaust pipe 13 and the outer cylinder 15 are attached to the mount 16 by bolts 17.
And are fixed. The inner diameter of the lower surface release portion 15b of the outer cylinder 15 is formed to be slightly larger than the outer diameter of the upper end portion 2c serving as the clamp seal portion of the resin tube 1 in the open state. The outside air is introduced from the lower surface open portion 15b of the outer cylinder 15 and is allowed to flow into the exhaust hole 14 of the exhaust pipe 13. Incidentally, FIG.
Also, in FIG. 2, H is a holder for the resinous tube 1.
【００１５】而して、上下逆方向に保持され、充填物Ｆ
が充填された樹脂性チューブ１の上端部２ｃ開口内に、
前記シール部加熱装置９の前記ノズル１０の先端部が上
方から所定長さ挿入された後、前記熱風発生器から熱風
が吐出されて前記ノズル１０に送られると、該ノズル１
０に形成された前記噴出口１２から熱風が噴出され、前
記樹脂性チューブ１の上端部２ｃ内周部を加熱した後、
前記外筒１５の下面解放部１５ｂから導入される外気と
合流し、高熱排気として前記排気孔１４内に流入する。Thus, the filling material F held upside down is filled.
In the opening of the upper end 2c of the resin tube 1 filled with
After the tip portion of the nozzle 10 of the seal part heating device 9 is inserted from above from a predetermined length, hot air is discharged from the hot air generator and sent to the nozzle 10.
After hot air is jetted from the jet port 12 formed in 0 to heat the inner peripheral portion of the upper end portion 2c of the resinous tube 1,
It merges with the outside air introduced from the lower surface release portion 15b of the outer cylinder 15 and flows into the exhaust hole 14 as high-heat exhaust.
【００１６】次に、前記シール部加熱装置９の前記ノズ
ル１０の先端部を、更に、詳細に説明すると、前記ノズ
ル１０先端部は外筒部１８と、該外筒部１８内に上部が
挿入され、下端部が該外筒部１８の下端下方に垂設する
ように取り付けられるノズル部材１９とから構成されて
いる。Next, the tip end portion of the nozzle 10 of the seal heating device 9 will be described in more detail. The tip end portion of the nozzle 10 is an outer cylinder portion 18, and an upper portion is inserted into the outer cylinder portion 18. The nozzle member 19 is attached so that the lower end portion thereof extends vertically below the lower end portion of the outer tubular portion 18.
【００１７】該ノズル部材１９は図３に示す如く、中心
部の軸体２０が円柱状に形成され、該軸体２０の下端部
に円板状の先端部材２１が固着され、該先端部材２１は
該先端部材２１の上面の前記軸体２０固着部の外側に熱
風連通孔となる環状溝２２が形成され、該環状溝２２の
外側に複数の渦巻状溝２３，２３…が断面視波形形状に
形成され、且つ、該渦巻状溝２３，２３…は中心部より
も外周部が高くなるようにやや傾斜して形成されてい
る。As shown in FIG. 3, in the nozzle member 19, a shaft body 20 at the center is formed in a cylindrical shape, and a disk-shaped tip member 21 is fixed to the lower end portion of the shaft body 20, and the tip member 21 is formed. An annular groove 22 serving as a hot air communicating hole is formed on the upper surface of the tip member 21 outside the fixed portion of the shaft body 20, and a plurality of spiral grooves 23, 23 ... , And the spiral grooves 23, 23 ... Are formed to be slightly inclined so that the outer peripheral portion is higher than the central portion.
【００１８】又、前記軸体２０の外周面には２条の螺旋
リブ２４，２４が設けられ、そして、その間に螺旋状溝
２５，２５が形成されている。更に、前記軸体２０の上
部には円板状の上板２６が設けられ、該上板２６には熱
風を下方向に流通させる多数の孔２６ａ，２６ａが開穿
されている。而して、該上板２６は前記軸体２０の上端
部に当接され、前記先端部材２１は該軸体２０の下端部
に当接され、そして、該上板２６及び軸体２０の中心部
に設けられた挿入孔を介し、該上板２６の上面からボル
ト２７を挿入し、更に、先端部材２１の中心部に設けら
れている雌ネジ部２１ａに該ボルト２７を螺着して上板
２６及び先端部材２１を軸体２０に一体的に固定してい
る。Further, two spiral ribs 24, 24 are provided on the outer peripheral surface of the shaft body 20, and spiral grooves 25, 25 are formed between them. Further, a disc-shaped upper plate 26 is provided above the shaft body 20, and a large number of holes 26a, 26a for allowing the hot air to flow downward are formed in the upper plate 26. Thus, the upper plate 26 abuts on the upper end of the shaft body 20, the tip member 21 abuts on the lower end of the shaft body 20, and the center of the upper plate 26 and the shaft body 20. The bolt 27 is inserted from the upper surface of the upper plate 26 through the insertion hole provided in the upper part, and the bolt 27 is screwed to the female screw part 21a provided in the central part of the tip member 21. The plate 26 and the tip member 21 are integrally fixed to the shaft body 20.
【００１９】従って、前記上板２６の孔２６ａ，２６ａ
…から進入した熱風は前記螺旋状溝２５，２５によって
螺旋方向に回転力を付与されて下方に送られ、図４
（ａ）に示す如く、前記環状溝２２内で回転しながら前
記渦巻状溝２３，２３…に送られ、該渦巻状溝２３，２
３…によって放射状に、且つ、渦巻状に噴出される。Therefore, the holes 26a, 26a of the upper plate 26 are formed.
The hot air that has entered from ... is given a rotational force in the spiral direction by the spiral grooves 25, 25 and is sent downward, as shown in FIG.
As shown in (a), while being rotated in the annular groove 22, it is sent to the spiral grooves 23, 23 ...
It is ejected radially and spirally by 3.
【００２０】図４（ｂ）は前記ノズル１０の前記噴出口
１２から噴出される熱風の噴出状態を示し、前記渦巻状
溝２３，２３…が形成された前記先端部材２１の上面外
周端は波形に形成され、該上面外周端に対応する前記外
筒部１８の下端部も該先端部材２１の上面外周端と所定
間隔離間する波形形状に形成されており、この離間する
所定間隔が前記噴出口１２となっており、前記熱風は図
１及び図２に示すように該噴出口１２から放射方向、且
つ、螺旋方向に吹き上げられて前記樹脂性チューブ１の
上端部２ｃ内周面に噴射され、そして、前記排気孔１４
内を渦巻状に旋回し乍ら外部へ排出される。従って、該
排気孔１４内の熱風を外部へ排出するためのブロワー等
を設けけることなく、前記渦巻流の作用によって自然に
該排気孔１４内の前記熱風を外部へ排気させることが可
能となるのである。FIG. 4 (b) shows the jetting state of the hot air jetted from the jet outlet 12 of the nozzle 10, in which the upper end outer peripheral edge of the tip member 21 in which the spiral grooves 23, 23 ... Are formed is corrugated. And the lower end portion of the outer cylindrical portion 18 corresponding to the outer peripheral edge of the upper surface is also formed in a corrugated shape that is separated from the outer peripheral edge of the upper surface of the tip member 21 by a predetermined distance. 12, the hot air is blown up in the radial direction and the spiral direction from the jet outlet 12 as shown in FIGS. 1 and 2, and is jetted to the inner peripheral surface of the upper end portion 2c of the resinous tube 1, Then, the exhaust hole 14
It swirls inside and is discharged to the outside. Therefore, without providing a blower or the like for discharging the hot air in the exhaust hole 14 to the outside, it becomes possible to naturally discharge the hot air in the exhaust hole 14 to the outside by the action of the spiral flow. Of.
【００２１】これによって、熱風は従来例の如く、該樹
脂性チューブ１の上端部２ｃ内周面を上方に単純通過す
ることなく、該上端部２ｃ内周面を回転するため、該熱
風が該上端部２ｃ内周面に長時間留まることとなり、該
上端部２ｃ内周面を均一に加熱することができ、更に、
実際の製作工程に於ける樹脂性チューブの肉厚のばらつ
きや、前記熱風ノズルの製作上のばらつきをも吸収する
均一な加熱を行うことができる。これによって、良好な
シールを得ることができ、従来例の加熱ムラ等による樹
脂性チューブの外観不良や、膨れの発生、シール不足に
よるパンクの発生等を防止することが可能になる。As a result, the hot air does not pass through the inner peripheral surface of the upper end portion 2c of the resin tube 1 upward as in the prior art, but rotates on the inner peripheral surface of the upper end portion 2c. The inner peripheral surface of the upper end 2c stays for a long time, and the inner peripheral surface of the upper end 2c can be heated uniformly.
It is possible to perform uniform heating that absorbs variations in the thickness of the resin tube in the actual manufacturing process and variations in the manufacturing of the hot air nozzle. As a result, a good seal can be obtained, and it is possible to prevent a defective appearance of the resin tube due to uneven heating of the conventional example, occurrence of swelling, and occurrence of puncture due to insufficient sealing.
【００２２】又、図示は省略するが、前記渦巻状溝２３
及び／又は前記螺旋状溝２５に代えて、渦巻状孔、及び
／又は螺旋状孔を用いることも可能であり、然るとき
も、前記渦巻状溝２３、及び／又は前記螺旋状溝２５と
同様な効果が期待でき、更に、傾斜溝、或いは傾斜孔を
用いても略同様な効果が期待できる。そして、前述の渦
巻状溝、螺旋状溝、螺旋状孔、傾斜溝、及び傾斜孔を選
択的に組み合わせて用いることも可能である。Although not shown, the spiral groove 23 is also provided.
It is also possible to use a spiral hole and / or a spiral hole in place of the spiral groove 25, and even in that case, the spiral groove 23 and / or the spiral groove 25 A similar effect can be expected, and substantially the same effect can be expected by using an inclined groove or an inclined hole. The spiral groove, the spiral groove, the spiral hole, the inclined groove, and the inclined hole can be selectively combined and used.
【００２３】尚、本発明は、本発明の精神を逸脱しない
限り種々の改変を為すことができ、そして、本発明が該
改変されたものに及ぶことは当然である。The present invention can be modified in various ways without departing from the spirit of the present invention, and it goes without saying that the present invention extends to such modifications.
【００２４】[0024]
【発明の効果】本発明は上記一実施の形態に詳述したよ
うに、ノズルから熱風を噴出して樹脂性チューブのクラ
ンプシール部となる端部内周部を加熱するとき、前記ノ
ズルから熱風を放射方向に、且つ、渦巻状に噴出するよ
うに構成されているから、熱風は従来例の如く、樹脂性
チューブのクランプシール部となる端部内周面を上方に
単純通過することなく、該端部内周面を回転するため、
熱風が該端部内周面に長時間留まることとなり、該端部
内周面を均一に加熱することができ、更に、実際の製作
上の樹脂性チューブの肉厚のばらつきや、前記熱風ノズ
ルの製作上のばらつきをも吸収する均一な加熱を行うこ
とができる。これによって良好なシールを得ることがで
き、樹脂性チューブの外観不良や、膨れの発生、シール
不足によるパンクの発生等を防止することが可能とな
る。As described in detail in the above-mentioned one embodiment, when the hot air is jetted from the nozzle to heat the inner peripheral portion of the end which becomes the clamp seal portion of the resin tube, the hot air is blown from the nozzle. Since it is configured to be ejected in a radial direction and in a spiral shape, hot air does not simply pass upward through the inner peripheral surface of the end, which is the clamp seal portion of the resin tube, as in the conventional example, and the end of the hot air does not easily pass upward. Because the inner peripheral surface is rotated,
The hot air stays on the inner peripheral surface of the end portion for a long time, so that the inner peripheral surface of the end portion can be heated uniformly, and further, the variation in the wall thickness of the resin tube in the actual production and the production of the hot air nozzle. Uniform heating that absorbs the above variations can be performed. As a result, a good seal can be obtained, and it is possible to prevent a poor appearance of the resin tube, swelling, and puncture due to insufficient sealing.
【００２５】又、請求項２記載の発明は上記ノズルは熱
風の噴出口近傍に螺旋状溝、及び／又は、渦巻状溝を備
え、該螺旋状溝、及び／又は、渦巻状溝によって熱風を
前記噴出口から放射方向に、且つ、渦巻状に噴出する渦
巻き発生ノズルであるので、請求項１記載の発明の効果
に加え、前記螺旋状溝、及び／又は、渦巻状溝によって
熱風を放射方向に、且つ、渦巻状に噴出させることが可
能になる。Further, in the invention according to claim 2, the nozzle is provided with a spiral groove and / or a spiral groove in the vicinity of the jet outlet of the hot air, and the hot air is generated by the spiral groove and / or the spiral groove. Since it is a swirl generating nozzle that ejects in a spiral shape in a radial direction from the jet port, in addition to the effect of the invention of claim 1, hot air is radially emitted by the spiral groove and / or the spiral groove. In addition, it is possible to eject the particles in a spiral shape.
【００２６】更に、請求項３記載の発明は上記ノズルは
熱風の噴出口近傍に螺旋状孔、及び／又は、渦巻状孔を
備え、該螺旋状孔、及び／又は、渦巻状孔によって熱風
を前記噴出口から放射方向に、且つ、渦巻状に噴出する
渦巻き発生ノズルであるので、請求項２記載の発明の効
果と同様の効果が期待できる等、正に著大なる効果を奏
する発明である。Further, in the invention according to claim 3, the nozzle is provided with a spiral hole and / or a spiral hole in the vicinity of the jet outlet of the hot air, and the hot air is generated by the spiral hole and / or the spiral hole. Since it is a swirl generating nozzle that ejects in a spiral shape in a radial direction from the ejection port, it is an invention that has a very significant effect, such as an effect similar to that of the invention of claim 2 can be expected. .
【図１】本発明の一実施の形態を示し、樹脂性チューブ
のシール部加熱装置の一部切欠縦断面図。FIG. 1 is a partially cutaway vertical sectional view of a heating device for a seal portion of a resin tube, showing an embodiment of the present invention.
【図２】本発明の一実施の形態を示し、樹脂性チューブ
のシール部加熱装置の詳細一部切欠縦断面図。FIG. 2 is a detailed partially cutaway vertical cross-sectional view of the heating device for the seal portion of the resin tube, showing the embodiment of the present invention.
【図３】図１のノズル部材の斜視図。FIG. 3 is a perspective view of the nozzle member of FIG.
【図４】（ａ）図３のノズル部材の環状溝及び渦巻状溝
による熱風の流れを示す説明図。
（ｂ）図２の噴出口から噴出する熱風の噴出方向を示す
説明図。4 (a) is an explanatory view showing the flow of hot air by the annular groove and the spiral groove of the nozzle member of FIG. (B) Explanatory drawing which shows the ejection direction of the hot air ejected from the ejection port of FIG.
【図５】従来例を示し、完成した樹脂性チューブの正面
図。FIG. 5 is a front view of a completed resin tube showing a conventional example.
【図６】従来例を示し、樹脂性チューブの充填状態を示
す一部切欠縦断面図。FIG. 6 is a partially cutaway vertical sectional view showing a conventional example and showing a filled state of a resin tube.
【図７】従来例を示し、樹脂性チューブのシール部加熱
装置の一部切欠縦断面図。FIG. 7 is a partially cutaway vertical cross-sectional view of a resin tube seal part heating device showing a conventional example.
【図８】従来例を示し、樹脂性チューブのクランプシー
ル状態を示す一部切欠縦断面図。FIG. 8 is a partially cutaway vertical sectional view showing a conventional example and showing a clamp seal state of a resin tube.
【図９】従来例を示し、樹脂性チューブのシール部加熱
後の一部切欠縦断面図。FIG. 9 is a partially cutaway vertical sectional view showing a conventional example after heating a seal portion of a resin tube.
【図１０】従来例を示し、樹脂性チューブのクランプシ
ール後の正面図。FIG. 10 is a front view showing a conventional example after clamp sealing of a resin tube.
１ 樹脂性チューブ ９ シール部加熱装置 １０ ノズル ２３ 渦巻状溝 ２５ 螺旋状溝 1 Resin tube 9 Seal part heating device 10 nozzles 23 spiral groove 25 spiral groove
Claims (3)
ブのクランプシール部となる端部内周部を加熱するよう
に構成されて成る樹脂性チューブのシール部加熱装置に
於て、前記ノズルから熱風を放射方向に、且つ、渦巻状
に噴出することができるように構成されたことを特徴と
する樹脂性チューブのシール部加熱装置。1. A seal heating device for a resin tube, which is configured to eject hot air from a nozzle to heat an inner peripheral portion of an end of the resin tube that serves as a clamp seal portion. A heating device for a sealing portion of a resin tube, characterized in that it is configured to be capable of being ejected in a spiral shape in a radial direction.
溝、及び／又は、渦巻状溝を備え、該螺旋状溝、及び／
又は、渦巻状溝によって、熱風を前記噴出口から放射方
向に、且つ、渦巻状に噴出する渦巻き発生ノズルである
ことを特徴とする請求項１記載の樹脂性チューブのシー
ル部加熱装置。2. The nozzle is provided with a spiral groove and / or a spiral groove in the vicinity of a jet of hot air, and the spiral groove and / or
Alternatively, the resin tube seal part heating device according to claim 1, wherein the device is a swirl generating nozzle that ejects hot air in a spiral shape in a radial direction from the ejection port by means of a spiral groove.
孔、及び／又は、渦巻状孔を備え、該螺旋状孔、及び／
又は、渦巻状孔によって、熱風を前記噴出口から放射方
向に、且つ、渦巻状に噴出する渦巻き発生ノズルである
ことを特徴とする請求項１記載の樹脂性チューブのシー
ル部加熱装置。3. The nozzle is provided with a spiral hole and / or a spiral hole in the vicinity of a hot air ejection port, and the spiral hole and / or
The device for heating a seal portion of a resin tube according to claim 1, wherein the device is a swirl generating nozzle that ejects hot air in a radial and spiral form from the jet port by means of a spiral hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002099203A JP3584243B2 (en) | 2002-04-01 | 2002-04-01 | Heating device for resin tube seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002099203A JP3584243B2 (en) | 2002-04-01 | 2002-04-01 | Heating device for resin tube seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003291903A true JP2003291903A (en) | 2003-10-15 |
| JP3584243B2 JP3584243B2 (en) | 2004-11-04 |
Family
ID=29240810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002099203A Expired - Fee Related JP3584243B2 (en) | 2002-04-01 | 2002-04-01 | Heating device for resin tube seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3584243B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010035051A1 (en) * | 2010-08-21 | 2012-04-19 | Iwk Verpackungstechnik Gmbh | Device for heating the edges of a filling opening of a plastic tube |
-
2002
- 2002-04-01 JP JP2002099203A patent/JP3584243B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010035051A1 (en) * | 2010-08-21 | 2012-04-19 | Iwk Verpackungstechnik Gmbh | Device for heating the edges of a filling opening of a plastic tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3584243B2 (en) | 2004-11-04 |
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