CN102922743B - Manufacturing method of composite hose - Google Patents
Manufacturing method of composite hose Download PDFInfo
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- CN102922743B CN102922743B CN201210404109.2A CN201210404109A CN102922743B CN 102922743 B CN102922743 B CN 102922743B CN 201210404109 A CN201210404109 A CN 201210404109A CN 102922743 B CN102922743 B CN 102922743B
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- small diameter
- diameter pipe
- diameter tube
- viscose glue
- pipe
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a manufacturing method of a composite hose, and belongs to the technical field of hoses. The method comprises the steps of: 1, coating mucilage glue on a small-diameter pipe along the length direction of the outer surface to form a line, and inserting the small-diameter pipe into a large-diameter pipe together with a magnetic metal rod inserted into the small-diameter pipe; 2, enabling an electromagnetic rack provided with an electromagnet to approach the large-diameter pipe towards one side of the small-diameter pipe coated with the mucilage glue, so as to attract one another together with the magnetic metal rod, so that the outer surface of the small-diameter pipe coated with the mucilage glue clings to or contacts the inner surface of the large-diameter pipe; 3, moving the electromagnetic rack away after the small-diameter pipe and the inner surface of the large-diameter pipe are firmly glued by the mucilage glue, and pulling the magnetic metal rod in the small-diameter pipe out. According to the manufacturing method, the large-diameter pipe and the small-diameter pipe can be thoroughly prevented from being damaged in a technological process; and no deformation stress exists at the bonded part, and the bonding strength is high.
Description
Technical field
The present invention relates to a kind of manufacture method of composite soft tube, especially a kind of flexible pipe of large-diameter pipe inwall adhesion small diameter tube
Manufacture method, belongs to technical field of hoses.
Background technology
For a long time, it is allowed to mutual strong bond after interspersed small diameter tube in large-diameter pipe, always flexible pipe is manufacturing tired
One of difficult technique.Retrieval discovery, the international patent application of Application No. WO98/21024 and European patent EP 1011960 disclosure
A kind of technical scheme solving above-mentioned technique, its basic processing step is that outer surface is covered with viscose glue little along its length
In the interspersed such as large-diameter pipe of footpath pipe, oppress large-diameter pipe afterwards so as to the outer surface that inner surface is covered with viscose glue with small diameter tube contacts, thus
Make to adhere to small diameter tube on the inner surface of large-diameter pipe.The shortcoming of this technical scheme is：1) need to oppress large-diameter pipe, be allowed to deform
Contact with small diameter tube afterwards, therefore outer tube easily sustains damage, especially even more so when the caliber of inner and outer pipe differs greatly；2)
Inner and outer pipe bonding in the state of large-diameter pipe is in compressive deformation, after ambient pressure discharges, there is internal stress, shadow in abutting edge
Ring adhesive strength.
In order to solve the above problems, the Chinese invention patent of Application No. 200910232218.9 gives a kind of compound soft
Pipe manufacturing method, the method will be covered with small diameter tube and inflated hose and the tool reeded support plug insertion large-diameter pipe of viscose glue
Interior；Inflated hose is located at bottom portion of groove；Small diameter tube is located at groove top, and its pipe is lined with support mandrel, and it is covered with viscose glue
Outer surface is adjacent to the inner surface of large-diameter pipe；Inflate into inflated hose, by small diameter tube jack-up after being allowed to expand, until small diameter tube applies
The outer surface of viscose glue is had to contact bonding with the inner surface of large-diameter pipe.Although this technical scheme can avoid flexible pipe deformation impaired, and
And bonding part is substantially not present distortional stress, but above with art scheme in the large-diameter pipe internal diameter situation close with small diameter tube external diameter
Under, limited by technique and be difficult to make.
Content of the invention
It is an object of the invention to：The shortcoming existing for above-mentioned prior art, proposing one kind not only can make large-diameter pipe
When close with path pipe diameter, remain to complete the making of this flexible pipe, and tubule is also completely absent answering of bonding under deformation
Close flexible pipe manufacture method, thus improving the quality of composite soft tube further it is ensured that adhesive strength.
In order to reach object above, the method for manufacturing composite hose of the present invention includes following basic process steps：
The first step, viscose glue (especially PUR) is coated at being aligned shape on small diameter tube along outer surface length direction, with
The magnetic conductive metal bar being inserted in small diameter tube inserts in large-diameter pipe together；
Second step, will be equipped with the electromagnetism frame of electric magnet and be covered with the side of viscose glue near large-diameter pipe towards small diameter tube, with magnetic conduction gold
Belong to bar to attract each other, cause small diameter tube to be covered with the outer surface of viscose glue and the inner surface abutting contact of large-diameter pipe；
3rd step, after the inner surface that viscose glue makes small diameter tube and large-diameter pipe cements, remove electromagnetism frame, extract out in small diameter tube
Magnetic conductive metal bar.
Because the present invention rationally utilizes electromagnetic attraction effect, (obviously, electromagnetism frame and magnetic conductive metal bar are Magnet or wherein
One of for Magnet, another for irony), make small diameter tube be covered with the outer surface of viscose glue and the inner surface abutting contact of large-diameter pipe,
Therefore enough cohesive pressures can be produced, make both good bond, in the process, because electromagnetism frame and magnetic conductive metal bar divide
Not Wei Yu large-diameter pipe is outer and small diameter tube in, therefore can thoroughly avoid the compressive deformation of large-diameter pipe and small diameter tube (rather than to show
Have technology is basically unchanged shape), not only large-diameter pipe and small diameter tube are all not damaged, and bonding part does not have distortional stress, glue
Connect very reliable.
The present invention further improves, and in the described first step, the small diameter tube being inserted with magnetic conductive metal bar is located at magnetic conductive groove
In groove, the diameter of described small diameter tube is matched with the width of described groove and depth；In described second step, by electromagnetism frame towards path
Pipe is covered with the side of viscose glue near large-diameter pipe, attracts each other with magnetic conductive metal bar and magnetic conductive groove, makes small diameter tube be covered with the outer of viscose glue
Surface and the inner surface abutting contact of large-diameter pipe；In described 3rd step, treat that viscose glue makes the inner surface that small diameter tube is cemented in large-diameter pipe
Afterwards, remove electromagnetism frame, extract the magnetic conductive metal bar in magnetic conductive groove and small diameter tube out.So, magnetic conductive metal bar and magnetic conductive groove is mutual
Adhesive effect can make small diameter tube be in stable state all the time, is more beneficial for ensureing bonding quality.
The present invention further improves, and the described small diameter tube being inserted with iron is directly or indirectly located at the breach of support stick
Interior.
When there being special requirement, viscose glue and three kinds of materials of heating wire and small diameter tube can be formed integrally, that is, using coextruding method
Described viscose glue wherein accompanies electric heating by with small diameter tube co-extrusion apposition in a cannelure of path tube outer surface length direction
Silk.So, even if viscose glue is in non-molten state it is also possible to carry out the above first step, as long as treating small diameter tube appearance in second step
After face is contacted with large-diameter pipe inner surface, so that heating wire is energized, viscose glue is melted.
Brief description
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the preferred embodiment of the present invention one.
Fig. 2 is the schematic diagram of the preferred embodiment of the present invention two.
Specific embodiment
Embodiment one
, referring to Fig. 1, step is as follows for the method for manufacturing composite hose of the present embodiment：
The first step, using extrusion and injection machine viscose glue 1 is coated at being aligned on small diameter tube 2 outer surface along its length
Shape, in insertion large-diameter pipe together with disposing the support stick 7 of small diameter tube in the iron 3 being inserted in small diameter tube and breach.
Second step, the electromagnetism frame 6 that will be equipped with electric magnet 5 are covered with the side of viscose glue 1 near large-diameter pipe 4 towards small diameter tube 2, with ferrum
Bar 3 attracts each other, and causes small diameter tube 2 to be covered with the outer surface of viscose glue 1 and the inner surface abutting contact of large-diameter pipe 4.
3rd step, after the inner surface that viscose glue makes small diameter tube 2 and large-diameter pipe 4 cements, remove electromagnetism frame 6, extract small diameter tube out
In iron 3 and support stick 7.
Rationally make use of electromagnetic attraction to act on due to ingenious, make small diameter tube be covered with the outer surface of viscose glue and the interior table of large-diameter pipe
Face abutting contact, therefore can produce enough cohesive pressures, make both good bond, and large-diameter pipe is outer and small diameter tube is all able to
Hold its shape, be not damaged, bonding part no distortional stress, bonding quality is ensured conscientiously.
Embodiment two
, referring to Fig. 2, basic step is identical with embodiment one for the method for manufacturing composite hose of the present embodiment, and viscose glue is hot melt
Glue, in place of main difference be, be inserted with iron 3 small diameter tube 2 embed the groove of magnetic conductive groove 8 after be located in the breach of support stick 7, and
The diameter of small diameter tube 2 is matched with the width of groove and depth.When external electrical magnet stand is close towards the PUR direction on small diameter tube 2
During large-diameter pipe 4, attract each other with iron 3 and magnetic conductive groove 8, make small diameter tube 2 be covered with the outer surface of PUR 1 and the interior of large-diameter pipe 4
Surface abutting contact.After PUR makes small diameter tube 2 be cemented in the inner surface of large-diameter pipe 4, remove electromagnetism frame, extract out support stick 7,
Iron 3 in magnetic conductive groove 8 and small diameter tube.Mutual adhesive effect due to iron and magnetic conductive groove can make small diameter tube be in all the time
Stable state, is more beneficial for ensureing bonding quality.
Additionally, being formed integrally, using coextruding method, the PUR and small diameter tube that press from both sides heating wire, heat is made by coextrusion process
Melten gel apposition is in a line cannelure of path tube outer surface.So, as long as in path tube outer surface and large-diameter pipe inner surface
After contact, heating wire is made to be energized, by hotmelt melts.
Claims (5)
1. a kind of method for manufacturing composite hose is it is characterised in that comprise the following steps that：
The first step, viscose glue is coated at being aligned shape on small diameter tube along outer surface length direction, with the magnetic conduction being inserted in small diameter tube
Metallic rod is inserted in large-diameter pipe together；
Second step, the electromagnetism frame that will be equipped with electric magnet are covered with the side of viscose glue near large-diameter pipe towards small diameter tube, with magnetic conductive metal bar
Attract each other, cause small diameter tube to be covered with the outer surface of viscose glue and the inner surface abutting contact of large-diameter pipe；
3rd step, after the inner surface that viscose glue makes small diameter tube and large-diameter pipe cements, remove electromagnetism frame, extract the magnetic conduction in small diameter tube out
Metallic rod.
2. method for manufacturing composite hose according to claim 1 it is characterised in that：In the described first step, it is inserted with magnetic conduction gold
The small diameter tube belonging to bar is located in the groove of magnetic conductive groove, and the diameter of described small diameter tube is matched with the width of described groove and depth；Institute
State in second step, electromagnetism frame is covered with the side of viscose glue near large-diameter pipe towards small diameter tube, mutual with magnetic conductive metal bar and magnetic conductive groove
Attract, make small diameter tube be covered with the outer surface of viscose glue and the inner surface abutting contact of large-diameter pipe；In described 3rd step, to treat that viscose glue makes little
After footpath pipe is cemented in the inner surface of large-diameter pipe, remove electromagnetism frame, extract the magnetic conductive metal bar in magnetic conductive groove and small diameter tube out.
3. method for manufacturing composite hose according to claim 1 and 2 it is characterised in that：Described small diameter tube is located at support stick
Breach in.
4. method for manufacturing composite hose according to claim 3 it is characterised in that：Described viscose glue is PUR.
5. method for manufacturing composite hose according to claim 4 it is characterised in that：Described PUR is by with small diameter tube altogether
Crowded apposition, in a cannelure of path tube outer surface length direction, wherein accompanies heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210404109.2A CN102922743B (en) | 2012-10-09 | 2012-10-09 | Manufacturing method of composite hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210404109.2A CN102922743B (en) | 2012-10-09 | 2012-10-09 | Manufacturing method of composite hose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922743A CN102922743A (en) | 2013-02-13 |
| CN102922743B true CN102922743B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210404109.2A Active CN102922743B (en) | 2012-10-09 | 2012-10-09 | Manufacturing method of composite hose |
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| CN (1) | CN102922743B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015774B (en) * | 2016-02-04 | 2019-03-26 | 金华春光橡塑科技股份有限公司 | A kind of multifunctional hose and its manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101287585A (en) * | 2005-10-14 | 2008-10-15 | 赢创德固赛有限责任公司 | Plastic composite moulded bodies obtainable by welding in an electromagnetic alternating field |
| CN101735736A (en) * | 2009-12-10 | 2010-06-16 | 陈正明 | Method for manufacturing composite hose |
| CN102225621A (en) * | 2011-01-24 | 2011-10-26 | 陈上利 | Plastic woven bag circular weaving machine with automatically adhered lining film |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5871120A (en) * | 1981-10-23 | 1983-04-27 | Mitsubishi Heavy Ind Ltd | Bonding device for board material |
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2012
- 2012-10-09 CN CN201210404109.2A patent/CN102922743B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101287585A (en) * | 2005-10-14 | 2008-10-15 | 赢创德固赛有限责任公司 | Plastic composite moulded bodies obtainable by welding in an electromagnetic alternating field |
| CN101735736A (en) * | 2009-12-10 | 2010-06-16 | 陈正明 | Method for manufacturing composite hose |
| CN102225621A (en) * | 2011-01-24 | 2011-10-26 | 陈上利 | Plastic woven bag circular weaving machine with automatically adhered lining film |
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| Publication number | Publication date |
|---|---|
| CN102922743A (en) | 2013-02-13 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 321017 Zhejiang province Jinhua Jinpan road 420. Applicant after: Jinhua Chunguang rubber Polytron Technologies Inc Address before: 321017 Zhejiang province Jinhua Jinpan road 420. Applicant before: Jinhua Chunguang Rubber & Plastic Hose Co., Ltd. |
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