CN102248677A - Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof - Google Patents
Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof Download PDFInfo
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- CN102248677A CN102248677A CN2011101663361A CN201110166336A CN102248677A CN 102248677 A CN102248677 A CN 102248677A CN 2011101663361 A CN2011101663361 A CN 2011101663361A CN 201110166336 A CN201110166336 A CN 201110166336A CN 102248677 A CN102248677 A CN 102248677A
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Abstract
The invention belongs to manufacture of pipe fittings and particularly relates to an adhesive connecting process for an inner pipe of a casting polyurethane conveying pipe and a special clamp thereof. The clamp comprises an external ring, an opening arranged on the ring wall of the external ring, locking members connected to two ends of the opening, and a thermal conductive ring jointed to the inner wall of the external ring and provided with an external surface adaptive to the external surface of a polyurethane inner pipe. The inner pipe of the casting polyurethane conveying pipe is positioned and spliced through process steps such as removing impurities, positioning the pipe fittings, coating a binding agent, heating, positioning, solidifying and the like. According to the invention, the problem that the inner pipe of the casting polyurethane conveying pipe is difficult to position and splice in the prior art is solved; and the invention has the advantages that the design of the adhesive process is reasonable, the structure of the clamp is artful and the like.
Description
Technical field
The invention belongs to the making of pipe fitting, be meant the bonding connection technology and the clamp special thereof of pipe in a kind of casting type polyurethane conveying pipeline especially.
Background technology
The interior pipe of existing conveying pipeline (blast tube) is to be material with natural or synthetic rubber, extrudes interior pipe by extruder, penetrates mandrel then in interior pipe, twines impregnated fabric or steel wire bag crust is made sand blast hose at its outer surface.Owing to be subjected to the restriction of its manufacture craft, when penetrating mandrel, easily unshaped tube wall formed mechanical damage.Although and adopt the polyurethane material to have preferably anti-wear performance but because its material thickness comparatively, can not be by the explained hereafter of extrusion molding, and can only be by the mode moulding of die casting, and need short tube be connected into longer pipe spare by bonding mode, cemented in place at adjacent pipe fitting is a technical barrier, so utilize the short interior pipe of casting type polyurethane of length that has prepared to manufacture comparatively difficulty (especially small-bore thin-wall pipe) of longer pipe spare, thereby make the use of pipe in the casting type polyurethane conveying pipeline be subjected to great limitation.
Summary of the invention
The object of the present invention is to provide the bonding connection technology and the clamp special thereof of pipe in a kind of casting type polyurethane conveying pipeline, reach and utilize the bonding purpose of manufacturing the pipe fitting of Len req of pipe in the short casting type polyurethane conveying pipeline of length.
First purpose of the present invention is achieved in that
The bonding connection technology of pipe in the casting type polyurethane conveying pipeline comprises following processing step:
A, impurity elimination
The foreign material on the outer tube wall surface of the adjacent face of pipe in two casting type polyurethanes that need butt joint and sidepiece are cleaned out;
B, pipe fitting location
Pipe is inserted in its outer surface from the mandrel two ends respectively in the casting type polyurethane that needs are bonding, and the end face that it is adjacent is set in distance, and pipe clamp dress in the casting type polyurethane is fixed in the mandrel surface;
C, application of adhesive
The adjoiner outer surface application of adhesive of pipe and coat separation layer in adjacent casting type polyurethane;
Solidify d, heating location
Clip is fastening with pipe adjoiner parcel in the casting type polyurethane of adhesion agent, with the bonding and employing baking moulding of two adjacent interior pipes, take out mandrel after the moulding by the pre-polymerization method.
Another object of the present invention is achieved in that
The clamp special that is used for the bonding connection technology of pipe in the casting type polyurethane conveying pipeline, comprise outer shroud, the locking member that is opened in the opening on the outer shroud ring wall and is connected in the opening two ends fits in outer shroud inwall and inner surface and the adaptive heat conduction ring of polyurethane inner tube outer surface.
Concrete technical step of the present invention and technical construction also have:
Utilize jig that pipe clamp dress in the casting type polyurethane is fixed in the mandrel surface among the described step b.
Bonding agent is liquid among the step c, bonding agent is according to the pure base polyurethane prepolymer for use as of casting type: the ratio preparation of the ratio of quality and the number of copies=100:3-20 of vulcanizing agent, casting type polyurethane performed polymer and vulcanizing agent are heated to liquid also insulation respectively to 50 ℃-120 ℃, place container to stir fast above-mentioned material and be mixed evenly.Pure base polyurethane prepolymer for use as of casting type and vulcanizing agent do not repeat them here because of being existing goods.
Locking member can be selected the multiple implementation that outer shroud and heat conduction ring is clamped secure fit for use, does not all break away from essence of the present utility model, wherein comparatively preferably selects a kind of or its combination in U type Elastic buckle or the fastening bolt for use.
For ease of cooperating of pipe in heat conduction ring and the casting type polyurethane, be convenient to the needs that satisfy heat conduction ring processing and make simultaneously, preferred mode be described heat conduction ring by more than two and end face be that the heat conduction member of ring flap is assemblied to form.Wherein more preferred embodiment be that heat conduction ring is that semicircular heat conduction member is assemblied to form by two end faces.
More accurate for ease of location between the ring flap heat conduction member, the preferred construction mode is to be provided with reference column and the locating hole that fits each other between the described adjacent ring flap member.
Fastening for ease of connecting between the ring flap member, to satisfy pipe in the casting type polyurethane is realized fastening needs, be provided with clamp structure between the described adjacent ring flap member.Comparatively commonly used and preferred implementation is that clamp structure is selected fastening bolt for use.
For ease of heating operation is carried out at bonding position, outer shroud heating implementation can be selected for use multiple, preferably adopts electrothermal ring, and this outer shroud is electrically connected with external power supply by the electrode that is arranged on the outer shroud outer wall.
For ease of outer shroud is controlled, so that be implemented in the higher time outage of heat conduction ring temperature, make temperature in the bonding required scope of interior pipe, preferred embodiment be, be fitted with the probe of temperature controller on the ring wall of described heat conduction ring, the probe of this temperature controller is electrically connected with external temperature controller.Because of this temperature controller and probe belong to prior art, do not repeat them here.
Substantive distinguishing features that the present invention is obtained and significant technological progress are:
1, among the present invention by clip, adopt the pre-polymerization method with pipe in the casting type polyurethane bonding and heat after the sulfuration typing, process route is reasonable in design, can fundamentally solve the positioning bonding problem of pipe in the casting type polyurethane.
2, the simplicity of design of clip is ingenious, and easy to use and dismounting is keeped in repair, and can realize the location and the bonding curing two big functions of pipe fitting easily.
Description of drawings
Accompanying drawing of the present invention has:
Fig. 1 is an overall structure schematic diagram of the present invention.
Fig. 2 is a left view of the present invention.
Each description of reference numerals is as follows in the accompanying drawing:
1, outer shroud; 2, reference column; 3, locking member; 4, heat conduction ring; 5, clamp structure; 6, locating hole; 7, electrode; 8, the probe of temperature controller; 9, jig; 10, mandrel; 11, pipe in the casting type polyurethane.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further, but should not be construed as limitation of the invention, protection scope of the present invention is as the criterion with the content of claim record.
The operation principle in the present embodiment and the structure of clamp special as shown, the bonding connection technology of pipe in the casting type polyurethane conveying pipeline comprises following processing step:
A, impurity elimination
The foreign material on the outer tube wall surface of the adjacent face of pipe 11 in two casting type polyurethanes that need butt joint and sidepiece are cleaned out;
B, pipe fitting location
Pipe 11 is inserted in its outer surface from mandrel 10 two ends respectively in the casting type polyurethane that needs are bonding, and the end face that it is adjacent is set in distance, and pipe 11 in the casting type polyurethane is clamped be fixed in mandrel 10 surfaces;
C, application of adhesive
In adjacent casting type polyurethane, manage 11 adjoiner outer surface application of adhesive and coat separation layer;
Solidify d, heating location
Clip is fastening with pipe 11 adjoiners parcel in the casting type polyurethane of adhesion agent, with the bonding and employing baking moulding of two adjacent interior pipes, take out mandrel 10 after the sulfuration typing by the pre-polymerization method.Bonding agent is liquid among the step c, bonding agent is according to the pure base polyurethane prepolymer for use as of casting type: the ratio preparation of the ratio of quality and the number of copies=100:3-20 of vulcanizing agent, casting type polyurethane performed polymer and vulcanizing agent are heated to liquid also insulation respectively to 50 ℃-120 ℃, place container to stir fast above-mentioned material and be mixed evenly.The casting type polyurethane performed polymer is selected a kind of or its mixing in polyester-type or the polyether-type for use, and vulcanizing agent is selected mocha for use.
The clamp special that is used for the bonding connection technology of pipe in the casting type polyurethane conveying pipeline, comprise outer shroud 1, the locking member 3 that is opened in the opening on outer shroud 1 ring wall and is connected in the opening two ends fits in the adaptive heat conduction ring 4 of outer shroud 1 inwall and inner surface and polyurethane inner tube outer surface.
Locking member 3 is selected fastening bolt for use.
Heat conduction ring 4 is that semicircular heat conduction member is assemblied to form by two end faces.
Be provided with reference column 2 and the locating hole 6 that fits each other between the described adjacent ring flap member.
Be provided with clamp structure 5 between the adjacent ring flap member.Clamp structure 5 is selected fastening bolt for use.
The outer shroud 1 preferred electrothermal ring that adopts, this outer shroud 1 is electrically connected with external power supply by the electrode 7 that is arranged on outer shroud 1 outer wall.
Be fitted with the probe 8 of temperature controller on the ring wall of heat conduction ring 4, the probe 8 of this temperature controller is electrically connected with external temperature controller.Heat conduction ring 4 adopts metal to make, and preferably adopts steel.
Claims (10)
1. the bonding connection technology of pipe in the casting type polyurethane conveying pipeline is characterized in that comprising following processing step:
A, impurity elimination
The foreign material on the outer tube wall surface of the adjacent face of pipe (11) in two casting type polyurethanes that need butt joint and sidepiece are cleaned out;
B, pipe fitting location
Pipe (11) is inserted in its outer surface from mandrel (10) two ends respectively in the casting type polyurethane that needs are bonding, and the end face that it is adjacent is set in distance, and pipe (11) in the casting type polyurethane is clamped be fixed in mandrel (10) surface;
C, application of adhesive
The adjoiner outer surface of pipe (11) applies polyurethane binder and coats separation layer in adjacent casting type polyurethane;
Solidify d, heating location
Clip is fastening with pipe (11) adjoiner parcel in the casting type polyurethane of adhesion agent, with the bonding and employing baking moulding of two adjacent interior pipes, take out mandrel (10) after the moulding by the pre-polymerization method.
2. the bonding connection technology of pipe in the casting type polyurethane conveying pipeline according to claim 1 is characterized in that utilizing among the described step b jig (9) that pipe (1) in the casting type polyurethane is clamped and is fixed in mandrel (2) surface.
3. the bonding connection technology of pipe in the casting type polyurethane conveying pipeline according to claim 1, it is characterized in that bonding agent is for liquid among the described step c, bonding agent is according to the pure base polyurethane prepolymer for use as of casting type: the ratio preparation of the ratio of quality and the number of copies=100:3-20 of vulcanizing agent, casting type polyurethane performed polymer and vulcanizing agent are heated to liquid also insulation respectively to 50 ℃-120 ℃, place container to stir fast above-mentioned material and be mixed evenly.
4. be used for the clamp special that is used for the bonding connection technology of pipe in the casting type polyurethane conveying pipeline as claimed in claim 1, comprise outer shroud (1), the locking member (3) that is opened in the opening on outer shroud (1) ring wall and is connected in the opening two ends fits in the adaptive heat conduction ring (4) of outer shroud (1) inwall and inner surface and polyurethane inner tube outer surface.
5. the bonding connection technology clamp special of pipe in the casting type polyurethane conveying pipeline according to claim 4 is characterized in that described locking member (3) selects a kind of or its combination in Elastic buckle or the fastening bolt for use.
6. the bonding connection technology clamp special of pipe in the casting type polyurethane conveying pipeline according to claim 4, it is characterized in that described heat conduction ring (4) by more than two and end face be that the heat conduction member of ring flap is assemblied to form.
7. the bonding connection technology clamp special of pipe is characterized in that being provided with reference column (2) and the locating hole (6) that fits each other between the described adjacent ring flap member in the casting type polyurethane conveying pipeline according to claim 6.
8. according to the bonding connection technology clamp special of pipe in claim 6 or the 7 described casting type polyurethane conveying pipelines, it is characterized in that being provided with clamp structure (5) between the described adjacent ring flap member.
9. the bonding connection technology clamp special of pipe in the casting type polyurethane conveying pipeline according to claim 8 is characterized in that described clamp structure (5) selects fastening bolt for use.
10. the bonding connection technology clamp special of pipe in the casting type polyurethane conveying pipeline according to claim 4, it is characterized in that described outer shroud (1) adopts electrothermal ring, this outer shroud (1) is electrically connected with external power supply by the electrode (7) that is arranged on outer shroud (1) outer wall; Be fitted with the probe (8) of temperature controller on the ring wall of heat conduction ring (4), the probe of this temperature controller (8) is electrically connected with external temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101663361A CN102248677A (en) | 2011-06-21 | 2011-06-21 | Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101663361A CN102248677A (en) | 2011-06-21 | 2011-06-21 | Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102248677A true CN102248677A (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101663361A Pending CN102248677A (en) | 2011-06-21 | 2011-06-21 | Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof |
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| CN (1) | CN102248677A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10961418B2 (en) | 2016-05-09 | 2021-03-30 | Evonik Operations Gmbh | Use of block copolymers in adhesives |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0430866A2 (en) * | 1989-11-03 | 1991-06-05 | Geberit AG | Connection piece |
| JPH0835595A (en) * | 1994-07-26 | 1996-02-06 | Sekisui Chem Co Ltd | Fused coupling and joint of pipe and fused coupling |
| CN1390287A (en) * | 1999-09-14 | 2003-01-08 | 石油技术有限公司 | Improved welding socket |
| JP2003311836A (en) * | 2002-04-26 | 2003-11-06 | Sankei Giken:Kk | Heat fusion bonding auxiliary material for thermoplastic resin tube and method for bonding thermoplastic resin tube |
| GB2405375A (en) * | 2003-08-29 | 2005-03-02 | Glynwed Pipe Systems Ltd | Layered electrofusion coupling and method of manufacture |
| DE202006004913U1 (en) * | 2006-03-24 | 2006-07-20 | Ihne & Tesch Gmbh | heater |
| CN1834518A (en) * | 2006-04-10 | 2006-09-20 | 王宝根 | Composite thermal pipeline profile and connector thereof |
| CN101413614A (en) * | 2008-11-21 | 2009-04-22 | 大庆油田有限责任公司 | Connecting method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn method |
| CN101484297A (en) * | 2006-05-05 | 2009-07-15 | 阿尔欧伊斯格鲁伯有限公司 | Method and device for connecting pipes made of thermoplastic material |
| CN201851832U (en) * | 2010-09-06 | 2011-06-01 | 河北亚大汽车塑料制品有限公司 | Fastener provided with heating function and used for pipeline connector |
-
2011
- 2011-06-21 CN CN2011101663361A patent/CN102248677A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0430866A2 (en) * | 1989-11-03 | 1991-06-05 | Geberit AG | Connection piece |
| JPH0835595A (en) * | 1994-07-26 | 1996-02-06 | Sekisui Chem Co Ltd | Fused coupling and joint of pipe and fused coupling |
| CN1390287A (en) * | 1999-09-14 | 2003-01-08 | 石油技术有限公司 | Improved welding socket |
| JP2003311836A (en) * | 2002-04-26 | 2003-11-06 | Sankei Giken:Kk | Heat fusion bonding auxiliary material for thermoplastic resin tube and method for bonding thermoplastic resin tube |
| GB2405375A (en) * | 2003-08-29 | 2005-03-02 | Glynwed Pipe Systems Ltd | Layered electrofusion coupling and method of manufacture |
| DE202006004913U1 (en) * | 2006-03-24 | 2006-07-20 | Ihne & Tesch Gmbh | heater |
| CN1834518A (en) * | 2006-04-10 | 2006-09-20 | 王宝根 | Composite thermal pipeline profile and connector thereof |
| CN101484297A (en) * | 2006-05-05 | 2009-07-15 | 阿尔欧伊斯格鲁伯有限公司 | Method and device for connecting pipes made of thermoplastic material |
| CN101413614A (en) * | 2008-11-21 | 2009-04-22 | 大庆油田有限责任公司 | Connecting method for restoring old pipe end head of inner lining glass fiber reinforced plastic by overturn method |
| CN201851832U (en) * | 2010-09-06 | 2011-06-01 | 河北亚大汽车塑料制品有限公司 | Fastener provided with heating function and used for pipeline connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10961418B2 (en) | 2016-05-09 | 2021-03-30 | Evonik Operations Gmbh | Use of block copolymers in adhesives |
| TWI726053B (en) * | 2016-05-09 | 2021-05-01 | 德商贏創運營有限公司 | Use of block copolymers in adhesives |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20111123 |
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