CN103950195A - Welding method of infusion bag hose pipe and membrane material, and infusion bag prepared by same - Google Patents
Welding method of infusion bag hose pipe and membrane material, and infusion bag prepared by same Download PDFInfo
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- CN103950195A CN103950195A CN201410159817.3A CN201410159817A CN103950195A CN 103950195 A CN103950195 A CN 103950195A CN 201410159817 A CN201410159817 A CN 201410159817A CN 103950195 A CN103950195 A CN 103950195A
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Abstract
The invention discloses a welding method of an infusion bag hose pipe and a membrane material. The method specifically comprises the steps of preheating the hose pipe, shaping the periphery of the hose pipe, preliminarily welding, carrying out heat seal location welding, carrying out heat seal reinforcement welding and carrying out heat seal cooling and shaping welding. The high-temperature overlapping welding is carried out based on the heat seal location welding, and the reinforcement welding area is limited in the heat seal location welding area which does not include the edge of the heat seal location welding. In the prior art, when a soft bag is molded by welding, the membrane material at the soft bag welding part is seriously damaged, so that liquid leakage is easily caused at the soft bag welding part. After the welding method is used, the welding sealing effect is guaranteed, and the damage to the membrane material is reduced, so that the occurrence probability of liquid leakage can be reduced.
Description
Technical field
The present invention relates to the welding method of a kind of Infusion Bags flexible pipe and film material and Infusion Bags prepared by the method.
Background technology
Infusion Bags has safe ready due to it at present, and cost of manufacture is low, and is convenient to make, transports or stores, and is widely used at field of medicaments.In common Infusion Bags, consist essentially of transfusion bag body, bag is made by film material edge sealing, and bag inside comprises the chamber of one or more powder charges, and bag one side is provided with the flexible pipe for dosing or transfusion, inside and outside soft pipe connection chamber, one end of flexible pipe outside is also provided with hermetically-sealed construction.
At present, flexible pipe normally adopts the mode of welding and film material sealing to be connected together, and takes again multiple working procedure to carry out during welding, in welding process, often cause the damage in various degree of film material, even break, cause in use liquid to flow out, or liquid is infected by external environment condition.And how to avoid film material excessive damage, and guarantee that again flexible pipe and bag bonding strength become when previous technical barrier.
Summary of the invention
The object of the present invention is to provide a kind of welding method that can avoid film material excessive damage can guarantee again Infusion Bags flexible pipe and the film material of weld strength, another object of the present invention is to provide a kind of Infusion Bags of being prepared by said method.
For achieving the above object, the welding method of a kind of Infusion Bags flexible pipe of the present invention and film material, concrete steps are as follows:
1) flexible pipe preheating, preheat temperature is 150-170 degree, be 1-3 second preheating time;
2) just weldering of flexible pipe periphery sizing, welding temperature is 135-145 degree, be 0.5-1.5 second weld interval;
3) heat seal positioning welding, the handing-over position of low-temperature welding flexible pipe and film material, positions flexible pipe, and is shaped in welding position; Welding temperature is 110-130 degree, and be 1-3 second weld interval;
4) welding is reinforced in heat seal, the overlapping welding of high temperature on the basis of step 3) heat seal positioning welding, and described reinforcing welding region is limited in described heat seal positioning welding region, and avoids the edge in described heat seal positioning welding region; The welding temperature that welding is reinforced in described heat seal is 135-145 degree, and be 1-3 second weld interval;
5) heat seal cooling and shaping welding, to described flexible pipe weld cooling and shaping, avoids seepage; The welding temperature of described heat seal cooling and shaping welding is 40-100 degree, and be 1-5 second weld interval.
Further, described step 1) to 5) hollow bleed pressure is on 0.6MPa.
Further, the edge 1-6mm of heat seal positioning welding welding region described in the welding region Edge Distance of described reinforcing welding.
A kind of Infusion Bags of being prepared by said method.
Further, described Infusion Bags has the chamber of a plurality of powder charges, is provided with the weak welding rod for isolating between adjacent chamber.
Further, described weak welding rod forms by weak weldering, and weak weldering temperature is 115-135 degree.
The present invention passes through multiple welding, and avoids bag inner chamber and junction, positioning welding position when reinforcing welding, thereby effectively avoids welding junction film material again to scald.Reinforce welding simultaneously and also play flexible pipe periphery secondary welding, flexible pipe and film material junction are sealed completely, effectively avoid risk of leakage.
Accompanying drawing explanation
Fig. 1 is Infusion Bags structural representation of the present invention;
Fig. 2 is Infusion Bags flexible pipe welding region A of the present invention place cutaway view Amplified image.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
A welding method for Infusion Bags flexible pipe and film material, concrete steps are as follows:
1) flexible pipe preheating, preheat temperature is 150-170 degree, be 1-3 second preheating time.
This step can be taked indirect or direct-fired mode.To flexible pipe, abundant preheating is conducive to flexible pipe in the welding of later stage and film material.
2) just weldering of flexible pipe periphery sizing, welding temperature is 135-145 degree, be 0.5-1.5 second weld interval.
This step main purpose and effect are flexible pipe to carry out Primary Location and sizing.Generally, what periphery weld mold adopted is unitary mould, a mold is made a plurality of sacks simultaneously, during welding, between sack, influence each other, when a sack flexible pipe welding precision is defective, can cause the welding precision of sacks all under this unitary mould defective, in the prior art, flexible pipe prepattern welds with regard to direct mold, and the position that simultaneously limits all flexible pipes in welding process is comparatively difficult, by this step, efficiently solves the problems referred to above.When having improved flexible pipe welding precision, also avoided influencing each other between flexible pipe.
3) heat seal positioning welding, the handing-over position of low-temperature welding flexible pipe and film material, positions flexible pipe, and is shaped in welding position; Welding temperature is 110-130 degree, and be 1-3 second weld interval.
Adopt low-temperature welding flexible pipe mouth of pipe handing-over position, thereby directly reduce the damage to handing-over position film material to welding, to further location and sizing of flexible pipe.
In prior art, due to this flexible pipe position is carried out, reality weldering time is welded face width, temperature is high, larger to the damage of film material.And the nisi real weldering of this step, temperature is lower, thereby welding process is dropped to minimum to the film material damage at flexible pipe position.
4) welding is reinforced in heat seal, and the overlapping welding of high temperature on the basis of step 3) heat seal positioning welding is reinforced welding region and is limited in heat seal positioning welding region, and avoids the edge in heat seal positioning welding region; The welding temperature that welding is reinforced in heat seal is 135-145 degree, and be 1-3 second weld interval.
As shown in Figure 2, within the welding region 2 of the heat seal positioning welding of the welding region 3 that welding is reinforced in heat seal in last process but less, welding region 2 edges that reinforce the welding region 3 Edge Distance heat seal positioning weldings of welding are 1-6mm, thereby avoid the secondary of film material 6 to scald, played the sealing completely with film material to flexible pipe 7 simultaneously.
5) heat seal cooling and shaping welding, to flexible pipe weld cooling and shaping, avoids seepage; The welding temperature of heat seal cooling and shaping welding is 40-100 degree, and be 1-5 second weld interval; Effectively avoid risk of leakage.
In addition, step 1) to 5) hollow bleed pressure is controlled at 6KG or more than 0.6MPa.
As shown in Figure 1, a kind of Infusion Bags of being prepared by said method 1, Infusion Bags has film material 6 edge sealing to make.Infusion Bags 1 has the chamber 5 of a plurality of powder charges, is provided with infusion port 11 and dosing mouth 8 in Infusion Bags, infusion port with on dosing mouth, all by flexible pipe 7 and chamber 5 is inner, be connected.Between adjacent chamber, be provided with the weak welding rod 4 for isolating.Weak welding rod 4 forms by weak weldering, and weak weldering temperature is 115-135 degree.
In prior art, having caused the film material damage of soft bag welding position larger during soft bag welding fabrication, easily there is leakage in this position.By above method, guarantee welded seal effect, reduced again the damage to film material, thereby reduced leakage occurrence probability.
Claims (6)
1. a welding method for Infusion Bags flexible pipe and film material, is characterized in that, its concrete steps are as follows:
1) flexible pipe preheating, preheat temperature is 150-170 degree, be 1-3 second preheating time;
2) just weldering of flexible pipe periphery sizing, welding temperature is 135-145 degree, be 0.5-1.5 second weld interval;
3) heat seal positioning welding, the handing-over position of low-temperature welding flexible pipe and film material, positions flexible pipe, and is shaped in welding position; Welding temperature is 110-130 degree, and be 1-3 second weld interval;
4) welding is reinforced in heat seal, the overlapping welding of high temperature on the basis of step 3) heat seal positioning welding, and described reinforcing welding region is limited in described heat seal positioning welding region, and avoids the edge in described heat seal positioning welding region; The welding temperature that welding is reinforced in described heat seal is 135-145 degree, and be 1-3 second weld interval;
5) heat seal cooling and shaping welding, to described flexible pipe weld cooling and shaping, avoids seepage; The welding temperature of described heat seal cooling and shaping welding is 40-100 degree, and be 1-5 second weld interval.
2. welding method as claimed in claim 1, is characterized in that described step 1) to 5) hollow bleed pressure is more than 0.6Mpa.
3. welding method as claimed in claim 1, is characterized in that, the edge 1-6mm of heat seal positioning welding welding region described in the welding region Edge Distance of described reinforcing welding.
4. the Infusion Bags that as claimed in claim 1 prepared by welding method.
5. welding method as claimed in claim 4, is characterized in that, described Infusion Bags has the chamber of a plurality of powder charges, is provided with the weak welding rod for isolating between adjacent chamber.
6. welding method as claimed in claim 5, is characterized in that, described weak welding rod forms by weak weldering, and weak weldering temperature is 115-135 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159817.3A CN103950195B (en) | 2014-04-21 | 2014-04-21 | Infusion bag prepared by the welding method of a kind of infusion bag flexible pipe and film material and the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159817.3A CN103950195B (en) | 2014-04-21 | 2014-04-21 | Infusion bag prepared by the welding method of a kind of infusion bag flexible pipe and film material and the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103950195A true CN103950195A (en) | 2014-07-30 |
| CN103950195B CN103950195B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410159817.3A Active CN103950195B (en) | 2014-04-21 | 2014-04-21 | Infusion bag prepared by the welding method of a kind of infusion bag flexible pipe and film material and the method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005324419A (en) * | 2004-05-13 | 2005-11-24 | Ajinomoto Co Inc | Method for welding film and structure, welding mold, method for producing medical bag, and medical bag |
| CN1799942A (en) * | 2006-01-12 | 2006-07-12 | 长沙楚天科技有限公司 | Supersonic wave welding and sealing connection method for medicine mouthpiece and assembled lid |
| CN1874882A (en) * | 2003-10-30 | 2006-12-06 | 3L路德维格森有限公司 | Tube welding |
| US20080149609A1 (en) * | 2006-12-20 | 2008-06-26 | Tyco Healthcare Group Lp | Apparatus and Method for Making Bag Assembly |
| CN102090976A (en) * | 2011-01-19 | 2011-06-15 | 四川科伦药业股份有限公司 | Three-cavity sterile bag and preparation method thereof |
-
2014
- 2014-04-21 CN CN201410159817.3A patent/CN103950195B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1874882A (en) * | 2003-10-30 | 2006-12-06 | 3L路德维格森有限公司 | Tube welding |
| JP2005324419A (en) * | 2004-05-13 | 2005-11-24 | Ajinomoto Co Inc | Method for welding film and structure, welding mold, method for producing medical bag, and medical bag |
| CN1799942A (en) * | 2006-01-12 | 2006-07-12 | 长沙楚天科技有限公司 | Supersonic wave welding and sealing connection method for medicine mouthpiece and assembled lid |
| US20080149609A1 (en) * | 2006-12-20 | 2008-06-26 | Tyco Healthcare Group Lp | Apparatus and Method for Making Bag Assembly |
| CN102090976A (en) * | 2011-01-19 | 2011-06-15 | 四川科伦药业股份有限公司 | Three-cavity sterile bag and preparation method thereof |
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| Publication number | Publication date |
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| CN103950195B (en) | 2016-02-24 |
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