CN101746513B - Connection process of connection pipe mouth cover for soft bag transfusion - Google Patents
Connection process of connection pipe mouth cover for soft bag transfusion Download PDFInfo
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- CN101746513B CN101746513B CN2008102378404A CN200810237840A CN101746513B CN 101746513 B CN101746513 B CN 101746513B CN 2008102378404 A CN2008102378404 A CN 2008102378404A CN 200810237840 A CN200810237840 A CN 200810237840A CN 101746513 B CN101746513 B CN 101746513B
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Abstract
The invention provides a connection process of a transfusion connection pipe mouth cover for soft bag transfusion, which is characterized by comprising the following steps: A, producing and processing a connection pipe and a mouth cover with improved structures and arranging annular plane convex edges at the mutual contact edges of one or two of the plastic connection pipe and the mouth cover; B, splicing and assembling the connection pipe and the mouth cover together on equipment through mechanical force; C, designing and manufacturing a hot-melt welding mould, forming heaters for the connection pipe and the mouth cover, just containing a plane convex edge structure at the combination of the connection pipe and the mouth cover at a middle heating part after the connection pipe and the mouth cover are folded; and D, transmitting the connection pipe mouth cover after being spliced and assembled to a welding position of the welding mould and carrying out circumferential hot-melt welding to the connection pipe mouth cover by using the welding mould under the action of a certain time, temperature and pressure, so that the annular plane convex edges of the connection pipe and the mouth cover are regularly bounded together. The invention has the advantages of better connection firmness and sealing performance of the connection pipe and the mouth cover, simple process and high efficiency and reduces the effect of adverse factors to transfusion products.
Description
Technical field
The invention belongs to the medical packaging technology, is a kind of connection technology of connection pipe mouth cover for soft bag transfusion specifically.
Background technology
When producing soft bag infusion in the past, be connection pipe to be welded on the film material to process infusion bag earlier, with mechanical force flap be installed on the connection pipe after pouring into soup that connection pipe mainly is to be in the same place by the threaded engagement that is in contact with one another face with flap.The shortcoming of this connection mode is:
1, the connection pipe flap only depends on the fastness that self is connected not strong.Through statistics, in 8 months, certain enterprise because flap and connection pipe transport with use in separate and cause 41 examples that have that infusion products scraps;
2, the poor sealing between connection pipe and flap.Because plastic union pipe and flap are just by the threaded engagement that is in contact with one another face together, so have the slight gap existence in the junction of plastic union pipe and flap.When having water vapour through high pressure steam sterilization the time, soft bag infusion enters into the space of plastic union pipe from the joint of plastic union pipe and flap; These moisture become the globule and can not volatilize for a long time fully after cooling; Make the gap location of connection pipe flap grow mould easily, be unfavorable for the preservation of infusion products;
3, through evidence, flap just can be opened under simple artificial external force effect, and does not have obviously damage with its surface, connection pipe assembling back once more, and difficult quilt is discovered, and this makes the soft bag infusion product be vulnerable to the pollution of human element, and is not discovered.
Therefore, how can make solid and reliable, the good airproof performance of connection pipe flap bonded assembly, can enhance productivity again, reduce production costs, this is the technical matters that needs to be resolved hurrily at present.
Summary of the invention
The objective of the invention is problem to the prior art existence; A kind of connection technology of connection pipe mouth cover for soft bag transfusion is provided, make plastic union pipe and flap bonded assembly fastness and better tightness, and technology is simple; Production efficiency is high, has reduced the influence of various undesirable elements to infusion products.
The objective of the invention is to realize through following technical scheme: a kind of connection technology of connection pipe mouth cover for soft bag transfusion is characterized in that: the connection technology of connection pipe mouth cover for soft bag transfusion comprises the steps:
A, a kind of connection pipe flap that improves structure of production and processing, comprise plastic union pipe, with connection pipe mouth of pipe bonded assembly plastics flap, side in described plastic union pipe and the plastics flap or both sides are in contact with one another edge at it has a ring plain convex edge;
B, on equipment with mechanical force with the assembling of pegging graft of connection pipe and flap, make the connection pipe flap together, and in flap, hold a disc rubber plug by the threaded engagement that is in contact with one another face; After pouring into a certain amount of soup in the infusion bag, when being installed in the plastics flap on the plastic union pipe, make the butt joint of two ring plain convex edges;
C, design and produce a heat and melt weld mold; The temperature booster of said mould is two body structures; Heating part after two bodies close up between wherein just in time holds the ring plain convex edge of plastic union pipe and plastics flap joint portion; Said mould is single station or double or multistation, and its heat is melted welding heat and heat and melted the pressure that weld time and two bodies close up and controlled by a controller;
Connection pipe flap after D, the assembling of will pegging graft is delivered to the welding post that heat is melted weld mold with conveyer chain; Melt weld mold through heat and under the effect of certain hour, temperature and pressure, the connection pipe flap is carried out circumference heat and melt welding this moment, makes that its ring plain convex edge is bonding regularly amounts to together.
In above-mentioned technology D step, be the connection pipe and the flap of raw material with the polypropylene, be 0.9s～1.1s the weld time that its heat is melted weld mold, welding heat is 150 ℃～155 ℃.
In above-mentioned technology B step; Concrete technology is at first, plastic union pipe and plastics flap to be put into oscillator separately respectively; Make its marshalling, direction unanimity under the effect of oscillator; Pressurized air with clean is blown plastic union pipe to adding the plumber position with certain pressure, and by the flat pipe place of the connection pipe clamp clamps plastic union pipe lower end on the conveyer chain, plastic union pipe is delivered to the bag station through conveyer chain and processed transfusion flexible bag with the film material; Then, conveyer chain is delivered to the can station with transfusion flexible bag, delivers to after in soft bag, pouring into a certain amount of soup to add the flap station, blows to adding a cover station with certain pressure plastics flap of marshalling with clean pressurized air; At last; At the vertical mechanical force with 2～3bar on the equipment grafting of plastics flap is assembled on the plastic union pipe; Make plastic union pipe and plastics flap together, realize that plastic union pipe and plastics flap are in contact with one another the docking of two ring plain convex edges of edge by the threaded engagement that is in contact with one another face.
The present invention's advantage and beneficial effect compared with prior art is:
1, the present invention can increase connection pipe flap bonded assembly fastness through the plastic union pipe flap that improves structure being carried out the welding of wholecircle week, and the soft bag infusion product possibility that flap separates with connection pipe in transportation and use is reduced to 0%;
2, the present invention is after melting welding with connection pipe flap heat; Original more than only leaning between the threaded engagement connection pipe flap together that is in contact with one another face again the protection of one power; Alleviated the stressed load of contact surface screw thread greatly; Make the more firm of their combinations, and stopped the phenomenon of leakage of soft bag infusion product in transportation, use;
3, it is isolated fully that the present invention makes soft bag infusion product and external environment condition after the welding; Leak tightness and air-tightness between connection pipe and flap have been improved; Stopped the soft bag infusion product entering from connection pipe flap joint of water vapour and air has been arranged through high pressure steam sterilization the time; The gap location that has effectively prevented the connection pipe flap has moisture and grows mould, helps the preservation of infusion products;
4, after the present invention welds the connection pipe flap,, also can form the damage that to restore, effectively avoid the pollution of human element, solve the problem that existing soft bag infusion exists soup to the connection pipe flap even flap is opened from connection pipe;
5, the present invention is melted weld mold through the heat that designs and produces the connection pipe flap is carried out the welding of wholecircle week, and technology is simple, and production efficiency is high, and tooling cost is low.If utilize super sonic that the connection pipe flap of pegging graft is welded; Can cover the bonded assembly fastness, avoid the destruction of human element by reinforced pipe although it is so product; But utilize super sonic only can carry out the welding of part circumference to the connection pipe flap, this still can not solve the sealing problem between the pipe lid, and uses the production efficiency of ultrasonic welding low; The productive capacity of a general ultrasonic welder is 1250 bags/hour; Can't meet the needs of production, need use the operation simultaneously of many ultrasonic welders during ordinary production, increase production cost greatly.And the present invention can accomplish on an equipment the adding connection pipe, add flap of soft bag infusion product, the assembling of pipe lid and the welding of pipe lid in the lump, and productive capacity is 4500～5000 bags/hour, is about 4 times of ultrasonic welding process productive capacity;
6, even, the neat appearance of the infusion products welding edge thickness of utilizing the present invention to produce is suitable for Quantity production.
Description of drawings
Fig. 1 partly cuts open figure for plastic union pipe of the present invention;
Fig. 2 is the section-drawing of flap of the present invention;
The section-drawing of Fig. 3 after for connection pipe mouth cover for soft bag transfusion of the present invention assembling;
Fig. 4 melts the birds-eye view of the single station temperature booster of welding of weld mold for heat of the present invention;
Fig. 5 melts the birds-eye view of the welding double temperature booster of weld mold for heat of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
The first step is that original connection pipe and flap are improved.Referring to Fig. 1, Fig. 2, Fig. 3, plastic union pipe 1 port is circular, and plastic union pipe 1 port outer rim is provided with ring plain convex edge 3, and the flat pipe section of plastic union pipe 1 lower end is rhombus or ellipse.With hold a disk shape rubber plug 5 in the plastic union pipe 1 bonded assembly plastics flap 2, be provided with the 3 cooresponding ring plain convex edges 4, ring plain convex edge with plastic union pipe 1 port outer rim in the outer rim of flap 2.
Second step; At first; Plastic union pipe 1 and plastics flap 2 are put into oscillator separately respectively, make its marshalling, direction unanimity under the effect of oscillator, with certain pressure connection pipe 1 is blown to adding the plumber position with clean pressurized air; By the flat pipe place of connection pipe clamp clamps connection pipe 1 lower end on the conveyer chain, plastic union pipe 1 is delivered to the bag station through conveyer chain and is processed transfusion flexible bag with the film material; Then, conveyer chain is delivered to the can station with transfusion flexible bag, in transfusion flexible bag, pours into to deliver to behind a certain amount of soup to add the flap station, blows to adding a cover station with certain pressure plastics flap 2 of marshalling with clean pressurized air.At last; At the vertical mechanical force with 2～3bar on the equipment 2 grafting of plastics flap are assembled on the plastic union pipe 1; The threaded engagement that plastic union pipe 1 and plastics flap 2 is leaned on be in contact with one another face together, realization plastic union pipe and plastics flap are in contact with one another the docking of two ring plain convex edges 3,4 of edge.
The 3rd step was to make a heat to melt weld mold, referring to Fig. 4, Fig. 5; The temperature booster of this mould is two body structures, and the heating part after half module 6 (or 8) and half module 7 (or 9) close up between wherein just in time holds the ring plain convex edge 3,4 of plastic union pipe 1 and plastics flap 2 joint portions, and this mould can be single station; Like Fig. 4; Also can be double (or multistation), like Fig. 5, its heat be melted welding heat and heat and is melted the pressure that weld time and two body half modules close up and controlled by a controller;
In the 4th step, the connection pipe flap after the assembling of pegging graft is like Fig. 3; Through conveyer chain deliver to heat melt two half modules 6 that weld mold separates, between 7; After the connection pipe flap was in place, half module 6,7 closed up full circle shape heating space of formation, and heat two ring plain convex edges 3,4 to the connection pipe flap under the effect of certain hour, temperature and pressure; Thereby its fusing is sticked together, and the I indication is weld among Fig. 3.
In above-mentioned technology, connection pipe 1 and flap 2 can be selected the material of multiple ability heat welded for use.Welding parameter to the plastic union pipe flap can be different because of the difference of its material.With the polypropylene is the connection pipe flap of raw material, and be 0.9s～1.1s the weld time of its weld mold, and welding heat is 150 ℃～155 ℃.
It is two body structures that design-calculated heat of the present invention is melted weld mold; Two-half die 6,7 is provided with one or two semicircle groove on (or 8,9); Two-half die 6,7 (or 8,9) closes up the back and forms one or two circular heating space, and circular heating space just in time holds the ring plain convex edge 3,4 of plastic union pipe 1 and plastics flap 2 joint portions.
Fig. 5 is the embodiment that the heat of a kind of two heating stations of the present invention is melted weld mold; It can carry out heat to two groups of connection pipe flaps simultaneously and melt welding operation, and the present invention comprises that also the heat with a plurality of heating stations that can weld many groups connection pipe flap simultaneously melts weld mold.
Above-mentioned explanation is not to be limitation of the present invention, and the present invention is not limited to above-mentioned giving an example, those skilled in the art, and in essential scope of the present invention, the variation of making, remodeling, interpolation or replacement all should belong to protection scope of the present invention.
Claims (2)
1. the connection technology of a connection pipe mouth cover for soft bag transfusion is characterized in that the connection technology of connection pipe mouth cover for soft bag transfusion comprises the steps:
A, a kind of connection pipe flap that improves structure of production and processing, comprise plastic union pipe, with connection pipe mouth of pipe bonded assembly plastics flap, side in described plastic union pipe and the plastics flap or both sides are in contact with one another edge at it has a ring plain convex edge;
B, on equipment with mechanical force with the assembling of pegging graft of connection pipe and flap, make the connection pipe flap together, and in flap, hold a disc rubber plug by the threaded engagement that is in contact with one another face; After pouring into a certain amount of soup in the infusion bag, when being installed in the plastics flap on the plastic union pipe, make the butt joint of two ring plain convex edges;
Concrete technology is; At first; Plastic union pipe and plastics flap are put into oscillator separately respectively, make its marshalling, direction unanimity under the effect of oscillator, with certain pressure plastic union pipe is blown to adding the plumber position with clean pressurized air; By the flat pipe place of the connection pipe clamp clamps plastic union pipe lower end on the conveyer chain, plastic union pipe is delivered to the bag station through conveyer chain and is processed transfusion flexible bag with the film material; Then, conveyer chain is delivered to the can station with transfusion flexible bag, delivers to after in soft bag, pouring into a certain amount of soup to add the flap station, blows to adding a cover station with certain pressure plastics flap of marshalling with clean pressurized air; At last; At the vertical mechanical force with 2～3bar on the equipment grafting of plastics flap is assembled on the plastic union pipe; Make plastic union pipe and plastics flap together, realize that plastic union pipe and plastics flap are in contact with one another the docking of two ring plain convex edges of edge by the threaded engagement that is in contact with one another face;
C, design and produce a heat and melt weld mold; The temperature booster of said mould is two body structures; Heating part after two bodies close up between wherein just in time holds the ring plain convex edge of plastic union pipe and plastics flap joint portion; Said mould is single station or double or multistation, and its heat is melted welding heat and heat and melted the pressure that weld time and two bodies close up and controlled by a controller;
Connection pipe flap after D, the assembling of will pegging graft is delivered to the welding post that heat is melted weld mold with conveyer chain; Melt weld mold through heat and under the effect of certain hour, temperature and pressure, the connection pipe flap is carried out circumference heat and melt welding this moment, makes that its ring plain convex edge is bonding regularly amounts to together.
2. according to the connection technology of the described connection pipe mouth cover for soft bag transfusion of claim 1; It is characterized in that in above-mentioned technology D step; With the polypropylene is the connection pipe and the flap of raw material, and be 0.9s～1.1s the weld time that its heat is melted weld mold, and welding heat is 150 ℃～155 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102378404A CN101746513B (en) | 2008-11-30 | 2008-11-30 | Connection process of connection pipe mouth cover for soft bag transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102378404A CN101746513B (en) | 2008-11-30 | 2008-11-30 | Connection process of connection pipe mouth cover for soft bag transfusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101746513A CN101746513A (en) | 2010-06-23 |
| CN101746513B true CN101746513B (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102378404A Active CN101746513B (en) | 2008-11-30 | 2008-11-30 | Connection process of connection pipe mouth cover for soft bag transfusion |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI727632B (en) * | 2020-01-22 | 2021-05-11 | 財團法人食品工業發展研究所 | System and method for assembling a container with a joint portion and plate assembly thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2759463Y (en) * | 2004-06-11 | 2006-02-22 | 北京奥星恒迅包装科技有限公司 | Transfusion soft bag interface device |
| CN2812919Y (en) * | 2005-08-03 | 2006-09-06 | 青岛华仁药业股份有限公司 | Non-PVC soft bag infusion medicine-feeding connection tube mouth cap |
| CN1864659A (en) * | 2005-05-19 | 2006-11-22 | 上海武杉包装制品有限公司 | A side or bottom filling and sealing plastic container for infusion and method for manufacturing same |
| CN1933960A (en) * | 2004-03-30 | 2007-03-21 | 昭和电工塑料产品株式会社 | Method and apparatus for manufacturing bag with spout member |
| CN101143124A (en) * | 2007-10-18 | 2008-03-19 | 山东新华医疗器械股份有限公司 | Single aperture tube liquid-liquid multi-chamber transfusion soft bag and its production method |
-
2008
- 2008-11-30 CN CN2008102378404A patent/CN101746513B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1933960A (en) * | 2004-03-30 | 2007-03-21 | 昭和电工塑料产品株式会社 | Method and apparatus for manufacturing bag with spout member |
| CN2759463Y (en) * | 2004-06-11 | 2006-02-22 | 北京奥星恒迅包装科技有限公司 | Transfusion soft bag interface device |
| CN1864659A (en) * | 2005-05-19 | 2006-11-22 | 上海武杉包装制品有限公司 | A side or bottom filling and sealing plastic container for infusion and method for manufacturing same |
| CN2812919Y (en) * | 2005-08-03 | 2006-09-06 | 青岛华仁药业股份有限公司 | Non-PVC soft bag infusion medicine-feeding connection tube mouth cap |
| CN101143124A (en) * | 2007-10-18 | 2008-03-19 | 山东新华医疗器械股份有限公司 | Single aperture tube liquid-liquid multi-chamber transfusion soft bag and its production method |
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| CN101746513A (en) | 2010-06-23 |
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