JPS6227658B2 - - Google Patents
Info
- Publication number
- JPS6227658B2 JPS6227658B2 JP83189919A JP18991983A JPS6227658B2 JP S6227658 B2 JPS6227658 B2 JP S6227658B2 JP 83189919 A JP83189919 A JP 83189919A JP 18991983 A JP18991983 A JP 18991983A JP S6227658 B2 JPS6227658 B2 JP S6227658B2
- Authority
- JP
- Japan
- Prior art keywords
- plastics
- welding
- welded
- ultrasonic
- fixed
- 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.)
- Expired
Links
- 229920003023 plastic Polymers 0.000 claims description 17
- 239000004033 plastic Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 5
- 238000004023 plastic welding Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
- B29C65/088—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using several cooperating sonotrodes, i.e. interacting with each other, e.g. for realising the same joint
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
本発明はプラスチツクの超音波溶着方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of ultrasonic welding of plastics.
従来の超音波溶着方法は周知のように、重ね合
わせた被溶着プラスチツクに対して、重ね合わせ
面に対して片方から超音波振動エネルギーと静圧
を加える方法であつた。更に詳細に見ると、重ね
合かせた被溶着物はほとんど一組、即ち２個を溶
着する場合が多く、まれに薄物シート状の場合、
３個以上の溶着が行なわれてきた。 As is well known, the conventional ultrasonic welding method is a method in which ultrasonic vibration energy and static pressure are applied to overlapping plastics to be welded from one side to the overlapping surfaces. Looking in more detail, we find that most of the overlapping objects to be welded are one set, that is, two pieces, and in rare cases, when the objects are in the form of thin sheets,
Three or more welds have been performed.
しかしながら、その溶着手段は、被溶着物の片
側はベースに押しつけられ、相手側から超音波振
動エネルギーを供給して重ね合せ面で溶着するも
のであつた。尚、薄物シート状の溶着物の場合
は、被溶着物が薄いので複数の重ね合わせがあつ
ても超音波エネルギーの供給方法、例えばホーン
先端をローレツト状にして溶着を行つているが、
仕上り形状に難があつた。 However, in this welding means, one side of the object to be welded is pressed against the base, and ultrasonic vibration energy is supplied from the other side to weld the overlapping surfaces. In the case of a thin sheet-like welded object, since the object to be welded is thin, even if there are multiple overlapping objects, ultrasonic energy is supplied using a method such as knurling the tip of the horn to perform welding.
There was a problem with the finished shape.
最近のプラスチツク溶着の応用分野はますます
広がり、且つ高精度、高品質を要求されており、
この見地から見ると、従来の方法は満足すべきも
のではない。その理由は片側のみの超音波振動エ
ネルギーの供給方法であるため、供給側と反対側
の被溶着物の挙動が不安定なことである。即ち、
或る時は被溶着物同志が同相で振動したり、又、
或る時は超音波供給側は振動し、相手側は固定さ
れていたり、同一溶着物の場合でも、バラツキが
あつた。薄物シート状の複数の重ね合わせ面があ
る場合も同様の傾向があつた。また仕上り形状に
も難があつた。 Recently, the field of application of plastic welding is expanding more and more, and high precision and high quality are required.
From this point of view, conventional methods are not satisfactory. The reason for this is that since the ultrasonic vibration energy is supplied only on one side, the behavior of the welded object on the opposite side to the supply side is unstable. That is,
Sometimes the objects to be welded vibrate in the same phase, or
Sometimes the ultrasonic supply side vibrated while the other side was fixed, and there were variations even in the case of the same welded material. A similar tendency was observed when there were multiple overlapping surfaces in the form of thin sheets. There was also a problem with the finished shape.
本発明は、溶着せんとするプラスチツクを重ね
合わせた面の背面両側から超音波振動と静圧とを
加えることにより、高精度、高品質のプラスチツ
ク溶着を行うことができることを見出し、本発明
として提案したものである。 The present invention has been made based on the discovery that high-precision, high-quality plastic welding can be achieved by applying ultrasonic vibration and static pressure from both sides of the back side of the overlapping surfaces of the plastics to be welded, and has proposed the present invention. This is what I did.
本発明を第１図に基き詳細に説明すると、溶着
せんとする両プラスチツク１−１，１−２は重ね
合わせて支持板２に載置する。この支持板２は下
面に螺子棒３を固定し、基台４上に固定した支持
筒５に螺合して昇降できるようになつている。
又、両プラスチツク１−１，１−２の重ね合わせ
た面の反対側である背面に夫々ホーン６，６′を
当接する。両ホーン６，６′は夫々ブースタホー
ン７，７′を介して超音波振動子８，８′に接続さ
れ、夫々超音波発振器９，９′により超音波エネ
ルギーが供給される。尚、両ブースタホーン７，
７′には振動の節部外周に取付鍔１０を夫々突設
している。 The present invention will be explained in detail with reference to FIG. 1. Both plastics 1-1 and 1-2 to be welded are placed on a support plate 2 in a superimposed manner. This support plate 2 has a screw rod 3 fixed to its lower surface and is screwed into a support cylinder 5 fixed on a base 4 so that it can be moved up and down.
Further, horns 6 and 6' are brought into contact with the back surfaces of both plastics 1-1 and 1-2, which are opposite to the overlapping surfaces thereof. Both horns 6, 6' are connected to ultrasonic transducers 8, 8' via booster horns 7, 7', respectively, and are supplied with ultrasonic energy by ultrasonic oscillators 9, 9', respectively. In addition, both booster horns 7,
At 7', a mounting collar 10 is provided protruding from the outer periphery of the vibration node.
一方のブースタホーン７′は基台４の一端上面
に固定した固定板１１に設けた挿通孔１２に通
し、固定板１１の支持板２側に鍔１０を固定して
いる。他方のブースターホーン７は円筒形をした
支持部材１３の開放側に設けた支持部１４に鍔部
１０を当接し、外側から蛇目状の固定板１４′を
当て、ビス（図示省略）止めすることにより固定
している。そして、この支持部材１３の反開放側
にはエアーシリンダ１５のロツド１６を固定し、
エアーシリンダ１５を基台４上に固定した固定板
１７にピン１８で枢着し、エアーシリンダ１５の
駆動によりホーン６をプラスチツク１−１，１−
２側に移動させてプラスチツク１−１，１−２に
静圧を加え、超音波振動を加えて溶着する。 One booster horn 7' passes through an insertion hole 12 provided in a fixed plate 11 fixed to the upper surface of one end of the base 4, and a collar 10 is fixed to the supporting plate 2 side of the fixed plate 11. The other booster horn 7 has a flange 10 in contact with a support part 14 provided on the open side of a cylindrical support member 13, and a meander-shaped fixing plate 14' is applied from the outside and fixed with screws (not shown). It is fixed by Then, the rod 16 of the air cylinder 15 is fixed to the opposite side of the support member 13,
The air cylinder 15 is pivotally connected to a fixed plate 17 fixed on the base 4 with a pin 18, and the horn 6 is attached to the plastics 1-1, 1- by driving the air cylinder 15.
2 side, static pressure is applied to the plastics 1-1 and 1-2, and ultrasonic vibration is applied to weld them.
本発明は前記のように構成したもので、溶着せ
んとする両プラスチツク１−１，１−２は両側か
ら超音波振動エネルギーが積極的に供給され、且
つ静圧を受けることになる。したがつて、プラス
チツクの重ね合わせ面には、互いて相手に衝突せ
んとする現象が発生し、そのエネルギーは確実に
重ね合わせ面で消費され溶着することになる。こ
こで重要なのは両側の超音波周波数が同一である
時は、その振動の位相は同相であることが効率の
良い溶着を行う為に必要である。 The present invention is constructed as described above, and both plastics 1-1 and 1-2 to be welded are positively supplied with ultrasonic vibration energy from both sides and are also subjected to static pressure. Therefore, a phenomenon occurs in which the overlapping surfaces of the plastics tend to collide with each other, and the energy is surely consumed at the overlapping surfaces, resulting in welding. What is important here is that when the ultrasonic frequencies on both sides are the same, the phases of the vibrations must be in phase in order to perform efficient welding.
又、相異なる周波数で駆動する場合にはプラス
チツクの寸法が特に異なる時に、その効果を発揮
する。即ち、溶着せんとするプラスチツクの厚み
方向の寸法と超音波周波数の相関性が溶着しやす
さの点で影響を与える。それ故に、薄物側は高い
周波数、厚物側は低い周波数が良い。 Driving at different frequencies is also advantageous, especially when the dimensions of the plastics are different. That is, the correlation between the thickness direction of the plastic to be welded and the ultrasonic frequency influences the ease of welding. Therefore, it is better to use a high frequency for thin materials and a low frequency for thick materials.
第２図はプラスチツクが３個の場合で、この場
合にはプラスチツク１−１と１−２の重ね合わせ
面と１−２と１−３の重ね合わせ面において同時
に溶着が開始され、且つ双方のエネルギーが無駄
になるようなことがない。 Figure 2 shows a case where there are three plastics. In this case, welding starts at the same time on the overlapping surfaces of plastics 1-1 and 1-2 and on the overlapping surfaces of plastics 1-2 and 1-3, and both No energy is wasted.
前記の場合にはホーン６，６′の先端部の形状
に特に注意を払わなくても確実に３個のプラスチ
ツク１−１，１−２，１−３の溶着を行うことが
できる。また仕上り形状もよりきれいにできる。 In the above case, the three plastics 1-1, 1-2, and 1-3 can be reliably welded without paying particular attention to the shape of the tips of the horns 6, 6'. Also, the finished shape can be made more neat.
本発明においては前記のように確実に溶着を行
うことができ、高品質、高精度の溶着及び複数の
溶着面の場合の溶着限界の向上を図ることができ
る。 In the present invention, welding can be performed reliably as described above, and it is possible to achieve high quality and high precision welding, and to improve the welding limit in the case of a plurality of welding surfaces.
図は本発明に係るプラスチツクの超音波溶着方
法の実施例を示すもので、第１図はその一例を示
す一部を切欠いた正面図、第２図は他の例の要部
を示す断面図である。
尚、図中１−１，１−２，１−３はプラスチツ
クである。
The drawings show an embodiment of the ultrasonic welding method for plastics according to the present invention. Fig. 1 is a partially cutaway front view showing one example, and Fig. 2 is a sectional view showing the main parts of another example. It is. In addition, 1-1, 1-2, and 1-3 in the figure are plastics.
Claims (1)
面の背面両側から超音波振動と静圧とを加えるこ
とを特徴とするプラスチツクの超音波溶着方法。1. A method for ultrasonic welding of plastics, which is characterized by applying ultrasonic vibration and static pressure from both sides of the back side of the overlapping surfaces of the plastics to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58189919A JPS6082328A (en) | 1963-10-13 | 1983-10-13 | Ultrasonic melding method of plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58189919A JPS6082328A (en) | 1963-10-13 | 1983-10-13 | Ultrasonic melding method of plastics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6082328A JPS6082328A (en) | 1985-05-10 |
| JPS6227658B2 true JPS6227658B2 (en) | 1987-06-16 |
Family
ID=16249401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58189919A Granted JPS6082328A (en) | 1963-10-13 | 1983-10-13 | Ultrasonic melding method of plastics |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6082328A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07323478A (en) * | 1994-05-31 | 1995-12-12 | Sumitomo Bakelite Co Ltd | Method and apparatus for welding pour plug |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9801983D0 (en) * | 1998-01-30 | 1998-03-25 | Young Michael J R | Welding polymer fabrics using ultrasound |
| JP5711605B2 (en) * | 2011-05-11 | 2015-05-07 | 株式会社イシダ | Horizontal sealing device for packaging machine |
| US11090758B1 (en) * | 2020-04-30 | 2021-08-17 | Dukane Ias, Llc | Systems and methods using multiple synchronized ultrasonic transducers to finish a part |
| US20220388701A1 (en) | 2020-04-30 | 2022-12-08 | Dukane Ias, Llc | Systems and methods using an ultrasonic transducer and scrubbing horn motion to seal a part |
| US11426946B2 (en) | 2020-04-30 | 2022-08-30 | Dukane Ias, Llc | Systems and methods using an ultrasonic transducer and scrubbing horn motion to seal a part |
-
1983
- 1983-10-13 JP JP58189919A patent/JPS6082328A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07323478A (en) * | 1994-05-31 | 1995-12-12 | Sumitomo Bakelite Co Ltd | Method and apparatus for welding pour plug |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6082328A (en) | 1985-05-10 |
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