CN86106778A - Silicon rubber helical tube and preparation method thereof - Google Patents
Silicon rubber helical tube and preparation method thereof Download PDFInfo
- Publication number
- CN86106778A CN86106778A CN 86106778 CN86106778A CN86106778A CN 86106778 A CN86106778 A CN 86106778A CN 86106778 CN86106778 CN 86106778 CN 86106778 A CN86106778 A CN 86106778A CN 86106778 A CN86106778 A CN 86106778A
- Authority
- CN
- China
- Prior art keywords
- silicone rubber
- tube
- preparation
- bond
- reinforcing rib
- 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.)
- Pending
Links
Images
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention is a kind of silicon rubber helical tube and preparation method thereof, it be by vinylsiloxane rubber and other component behind mixing, freshening, extrude silicone rubber tube and silicone rubber reinforcing rib respectively, after the sulfuration typing, be bonded and fixed on the silicone rubber tube surface after silicone rubber reinforcing rib twined by Stetch Wrapping Machine, on demand in an end or the mold pressing upper connection again of two ends of silicone rubber thread tube.Adopt this method preparation silicone rubber thread tube bright and clean, the no dead angle of inner and outer surface and do not have the intrinsic Hough line of producing by mould in silicone rubber thread tube surface, therefore be particularly suitable for medical treatment and go up use.
Description
The present invention relates to silicon rubber helical tube and preparation method thereof, specifically, the present invention is a kind of improved silicon rubber helical tube and preparation method thereof.
Existing silicone rubber thread tube and preparation method thereof, as US4,113,828; J52029880; What J51022118 disclosed, all adopt silicone rubber reinforcing rib and silicone rubber tube to combine, integral die becomes silicone rubber thread tube.Adopting the preparation method of compression molding, is to have the Hough line that the mould connecting part forms at the total surface of silicone rubber thread tube.
The invention provides a kind of improved silicon rubber helical tube and preparation method thereof.It is to adopt unique preparing process, promptly prepares silicone rubber reinforcing rib and silicone rubber tube respectively, after the sulfuration typing, again with silicone rubber reinforcing rib by being wrapped on the silicone rubber tube surface, fixing with the Bond bonding again.On demand can also be in an end or the mold pressing upper connection again of two ends of pipe.Preparation method's production difformity of the present invention, caliber size, and different strength bar sectional shape, the silicone rubber thread tube of different strength bar density degree does not need the mould of special global design.
A kind of improved silicon rubber helical tube of the present invention and preparation method thereof will be described in detail by following technological process:
The silicone rubber thread tube technological process:
Unvulcanized vinylsiloxane rubber hydroxy silicon oil
White carbon
↓
Mixing
↓
Heat treatment
↓
Crosslinking agent → freshening
↓
Extrusion molding
↓
Wear core rod (strength bar is not worn mould)
↓
Sulfuration
↓
Demoulding core
↓
Washing
↓
Oven dry
↓
Wear core rod
Silicone rubber ↓
Bond → winding screw thread
↓
Mold pressing joint → finished product
As indicated in above-mentioned technological process, silicon rubber helical tube of the present invention and preparation method thereof, it is by vinylsiloxane rubber, white carbon and silicone oil of carboxyl, be added in the Mixing roll through mixing, after the heat treatment, after adding the crosslinking agent freshening again, extrude the circular or non-circular silicone rubber tube of not being with the Hough line respectively by the horizontal spiral extruder, and U-shaped, semicircle, square or trapezoidal prismatic silicone rubber reinforcing rib, the glass core rod is penetrated in the silicone rubber tube, put into sulfurizing pot vulcanization respectively with silicone rubber reinforcing rib then, sulfuration finishes to take off core rod, through washing clearly, drying penetrates copper core rod, the copper mold two ends are fixed on the Stetch Wrapping Machine, twine screw thread, flight pitch can be regulated by the screw thread anchor clamps, before winding earlier on the silicone rubber reinforcing rib coated on bottom side silicone rubber Bond (model is product silicone rubber Bond RTV-108 of the unusual company of the U.S. or homemade silicone rubber Bond D-10, D-20, GD401, GD-402, GD-403, the one-component room curing silicon rubber Bond of GD-404 or Nanjing University-705 trades mark, or homemade SD-33, SD-1-35, SDL-1-41, the double-component cold curing silicone rubber Bond of the SDL-1-43 or 106 trades mark) limit is coated with around the limit, it is dry fixing to twine end immigration thermostat, slough core rod and be the silicone rubber thread tube of the present invention of not being with the Hough line, can be silicon rubber helical tube of the present invention in an end or the two end mold pressing upper connections of pipe on demand.
Bright and clean, the no dead angle of silicon rubber helical tube inner and outer surface of adopting preparation method of the present invention to produce, and do not have the Hough line that is produced by the mould connecting part, smooth surface does not have burr and pore, when therefore in medical treatment, using, can reduce the possibility of staiing microbiological contamination.And the physical and mechanical properties of silicon rubber helical tube conforms to medical requirement.
Serviceability temperature can be between 0～45 ℃, and satisfies hospital's routine disinfection requirement, and promptly the high-pressure steam sterilization maximum temperature is 150 ℃.Preparation method of the present invention has outstanding advantage and good effect, i.e. production difformity, the silicone rubber thread tube of size, the silicone rubber thread tube that comprises different screw thread density degree, different thread segment shapes, do not need to adopt custom-designed unitary mould and special device, greatly reduce product cost like this, simplified production technology, product upgrades fast, can renovate at any time as required.Adopt preparation method of the present invention to produce simultaneously and be at least 0.5 millimeter relative silicone rubber thread tube thick than thin-walled.
Below in conjunction with accompanying drawing and by specific embodiment, the present invention is described in detail, but embodiment limits the present invention.
Accompanying drawing 1 is for having the silicone rubber thread tube front view of part section;
As shown in Figure 1, silicone rubber thread tube of the present invention is to be wrapped on the surface of silicone rubber tube (2) of independent preparation by the silicone rubber reinforcing rib of independent preparation (1), fixes by silicone rubber Bond Bond.
As shown in Figure 2, two ends of the present invention have mold pressing joint (4,4 ') silicone rubber thread tube, this silicone rubber thread tube also is on the surface of the silicone rubber tube (2) that is wrapped in independent preparation of the rubber strength bar (1) by independent preparation, and is fixing by silicone rubber Bond bonding.
The most preferred embodiment of silicon rubber helical tube of the present invention and preparation method thereof is:
One. prescription:
(1) unvulcanized silicone rubber is as 100 parts of vinylsiloxane rubbers (weight)
(2) white 45 parts of carbon blacks (weight)
(3) 2 parts of hydroxy silicon oils (weight)
(4) 2 parts of hexanes (weight) 2.5-dimethyl-2.5(tert-butyl peroxide)
Two. operating procedure:
1. it is mixing (1) vinylsiloxane rubber, (2) white carbon black and (3) hydroxy silicon oil to be added Mixing roll.
Mixing condition: 35-40 ℃ of roller temperature preliminary roller
Back roller 35-40 ℃
6～12 millimeters of roll spacings
After sizing material thin-pass 3-5 time, slice is put into dish, 180 ℃ of heat treatments one hour, rerolls then and refines to smooth surface, parks with 7～10 millimeters roll spacing slices.
2. freshening condition: (1) preliminary roller 35-40 ℃
(2) the back roller is 35-40 ℃
(3) earlier sizing material is turn to smooth surface with thick roll spacing, then adding (4) 2.5-dimethyl-2.5-(tert-butyl peroxide slowly) hexane, and put thick roll spacing 3～5 times with 0.5～1.0 millimeter thin-pass of roll spacing, the slice clot is wrapped up with plastic bag.
3. extrusion molding:
(1) board type: horizontal spiral extruder
(2) head temperature: 40～50 ℃
(3) body temperature: 30～40 ℃
(4) extruding sectional shape is that U type silicone rubber does not coil in dish then with the strength bar (1) of Hough line,
(5) extrude sectional shape and penetrate in the silicone rubber tube as core rod with glass tube simultaneously not with the silicone rubber tube (2) of Hough line for circular, the external diameter of silicone rubber tube is 18.5～20.4 millimeters, and internal diameter is 18 millimeters, and pipe thickness is 0.5～2.4 millimeter.
4. sulfuration:
(1) silicone rubber tube (2) and the silicone rubber reinforcing rib (1) that will put on core rod put into sulfurizing pot respectively, is full of water in jar
(2) conditions of vulcanization is that 3.8～4.0 kg/cm cure times are 50 minutes
(3) sulfuration finishes silicone rubber reinforcing rib (1) and the silicone rubber tube (2) that the sulfuration typing is taken out in the back, and extracts the glass core rod in the sebific duct (2) immediately out, after rinsing well with clear water, and oven dry.
5. winding screw thread:
(1) copper core rod is penetrated in the above-mentioned silicone rubber tube that has vulcanized (2), copper core two ends are fixed on the Stetch Wrapping Machine, and Stetch Wrapping Machine is loaded onto the screw thread anchor clamps, in order to regulate the spacing of screw thread.
(2) its end, hole of the silicone rubber reinforcing rib (1) of above-mentioned sulfuration typing being passed the screw thread anchor clamps is pasted with the top of silicone rubber (2) and is fixed silicone rubber Bond RTV-108 or D-10, D-20, GD401, GD-402, GD-403, GD-404, Nanjing University-705 trade mark one-component room curing silicon rubber Bond on the coated on bottom side of silicone rubber reinforcing rib (1); Or the double-component cold curing silicone rubber Bond of SD-33, SDL-1-35, SDL-1-41, SDL-1-43,106 trades mark, and the limit is coated with around the limit, be wound to and terminal paste fixingly, unload silicone rubber thread tube (3) then and move in the thermostat, in 50～60 ℃ of dryings 8～10 hours.
(3) do not contract air towards the decopper(ing) core with having, be silicone rubber thread tube of the present invention (3)
6. mold pressing joint:
As required in the one or both ends of sebific duct mold pressing upper connections (4,4 '):
(1) vulcanizing press preheating, and warm the joint model,
(2) the joint model is smoothly put in silicone rubber thread tube (3) one or both ends.
(3) use with the sizing material of sebific duct same recipe and insert in the joint model.
(4) joint takes out the silicone rubber thread tube (3) that has joint (4,4 ') partly by sulfidization molding, is goods of the present invention.
Described the present invention can have various distortion according to accompanying drawing, does not allly depart from characteristic person of the present invention, all belongs to design scope of the present invention.
As the conversion of present embodiment, silicone rubber tube (2) can be for the pipe or the solid pipe of the circular or non-circular axial hollow of Hough line; With silicone rubber tube (2) coupling can not be U type, semicircle, trapezoidal or square etc. with the cross section of the silicone rubber reinforcing rib (1) of Hough line, and it can be evenly distributed or inhomogeneous arrangement on silicone rubber tube (2) surface, the wall thickness minimum of silicone rubber tube (2) can be 0.5 millimeter.The Bond that is adopted can be one-component silicone rubber Bond or two-component silicone rubber Bond; What preferentially adopt is one-component room curing silicon rubber Bond.
Claims (19)
1, a kind of silicone rubber tube threaded pipe is characterized in that being wrapped on the silicone rubber tube by silicone rubber reinforcing rib, forms with the Bond bonding.
2, silicone rubber thread tube as claimed in claim 1 is characterized in that silicone rubber tube and silicone rubber reinforcing rib be not for the silicone rubber tube and the silicone rubber reinforcing rib of Hough line.
3, silicone rubber thread tube as claimed in claim 1 or 2 is characterized in that the one or both ends of above-mentioned pipe can also the mold pressing upper connection.
4, silicone rubber thread tube as claimed in claim 1 or 2 is characterized in that silicone rubber reinforcing rib is that the cross section is U-shaped, semicircle, trapezoidal or square silicone rubber reinforcing rib.
5, silicone rubber thread tube as claimed in claim 1 or 2 is characterized in that silicone rubber tube is that the cross section is circular or non-circular axially hollow pipe or solid pipe.
6, silicone rubber thread tube as claimed in claim 1 or 2 is characterized in that the pitch on the silicone rubber thread tube can be the silicone rubber reinforcing rib of any spacing.
7, silicone rubber thread tube as claimed in claim 1 or 2 is characterized in that the wall thickness minimum of silicone rubber tube can be 0.5 millimeter.
8, silicone rubber thread tube as claimed in claim 1 or 2 is characterized in that Bond is one-component silicone rubber Bond or two-component silicone rubber Bond.
9, Bond as claimed in claim 8 is characterized in that Bond is an one-component room curing silicon rubber Bond.
10, the preparation method of the described silicone rubber thread tube of a kind of claim 1, it is to comprise white carbon by vinylsiloxane rubber and other component, hydroxy silicon oil passes through mixing in Mixing roll, heat treatment then, add compression molding behind the crosslinking agent freshening again, sulfuration typing preparation, it is characterized in that extruding silicone rubber reinforcing rib and silicone rubber tube respectively by screw extruder, after in silicone rubber tube, penetrating core rod again, vulcanize typing respectively with silicone rubber reinforcing rib, the silicone rubber muscle that will vulcanize typing then is wrapped in the silicone rubber tube surface of sulfuration typing by Stetch Wrapping Machine, and adopt silicone rubber Bond bonding, the combination typing prepares after drying.
11, the preparation method of silicone rubber thread tube according to claim 10 is characterized in that the one or both ends of silicone rubber thread tube can also the mold pressing upper connection.
12, according to the preparation method of claim 10 or 11 described silicone rubber thread tubes, the core rod that it is characterized in that vulcanizing usefulness is the glass core rod.
13,, it is characterized in that silicone rubber tube is a circular or non-circular axially hollow pipe of not being with the Hough line according to the preparation method of claim 10 or 11 described silicone rubber thread tubes.
14, according to the preparation method of claim 10 or 11 described silicone rubber thread tubes, the screw thread that it is characterized in that silicone rubber tube surface is that the cross section is the U-shaped of not being with the Hough line, semicircle, trapezoidal or square silicone rubber reinforcing rib.
15, according to the preparation method of claim 10 or 11 described silicone rubber thread tubes, the screw thread on the silicone rubber tube that it is characterized in that preparing can be the silicone rubber reinforcing rib of evenly distributed or inhomogeneous arrangement.
16,, it is characterized in that the wall thickness minimum of silicone rubber tube can be 0.5 millimeter according to the preparation method of claim 9 or 10 described silicone rubber thread tubes.
17, the preparation method of silicone rubber thread tube according to claim 9 is characterized in that Bond is one-component silicone rubber Bond or two-component silicone rubber Bond.
18, the preparation method of silicone rubber thread tube according to claim 17, what it is characterized in that Bond is one-component room curing silicon rubber Bond.
19,, it is characterized in that silicone rubber reinforcing rib and silicone rubber tube are that extrusion modling is not with the silicone rubber reinforcing rib and the silicone rubber tube of Hough line according to the preparation method of claim 10 or 11 described silicone rubber thread tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86106778 CN86106778A (en) | 1986-10-06 | 1986-10-06 | Silicon rubber helical tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86106778 CN86106778A (en) | 1986-10-06 | 1986-10-06 | Silicon rubber helical tube and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86106778A true CN86106778A (en) | 1988-04-20 |
Family
ID=4803360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86106778 Pending CN86106778A (en) | 1986-10-06 | 1986-10-06 | Silicon rubber helical tube and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86106778A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049617C (en) * | 1993-08-07 | 2000-02-23 | 九州柳河精机株式会社 | Method of continous casting die casted wheel and die casting machine |
| CN1329686C (en) * | 2002-11-05 | 2007-08-01 | 东洋克斯股份有限公司 | Silicone hose |
| CN100451418C (en) * | 2004-03-04 | 2009-01-14 | 客纳福来有限公司 | Flexible hose |
| CN103194879A (en) * | 2013-04-11 | 2013-07-10 | 宁波吉母电器有限公司 | Clothes hanging fulcrum bar forming structure for shed-type clothes dryer |
| CN104185759A (en) * | 2012-04-18 | 2014-12-03 | 美国圣戈班性能塑料公司 | Silicone tubing and method for making and using same |
| CN104626627A (en) * | 2015-02-02 | 2015-05-20 | 柳州市二和汽车零部件有限公司 | Rubber pipe production method |
-
1986
- 1986-10-06 CN CN 86106778 patent/CN86106778A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049617C (en) * | 1993-08-07 | 2000-02-23 | 九州柳河精机株式会社 | Method of continous casting die casted wheel and die casting machine |
| CN1329686C (en) * | 2002-11-05 | 2007-08-01 | 东洋克斯股份有限公司 | Silicone hose |
| CN100451418C (en) * | 2004-03-04 | 2009-01-14 | 客纳福来有限公司 | Flexible hose |
| CN104185759A (en) * | 2012-04-18 | 2014-12-03 | 美国圣戈班性能塑料公司 | Silicone tubing and method for making and using same |
| CN104185759B (en) * | 2012-04-18 | 2016-08-24 | 美国圣戈班性能塑料公司 | Organosilicon tubing and preparation and application thereof |
| US9533134B2 (en) | 2012-04-18 | 2017-01-03 | Saint-Gobain Performance Plastics Corporation | Silicone tubing and method for making and using same |
| CN103194879A (en) * | 2013-04-11 | 2013-07-10 | 宁波吉母电器有限公司 | Clothes hanging fulcrum bar forming structure for shed-type clothes dryer |
| CN103194879B (en) * | 2013-04-11 | 2015-06-17 | 宁波吉母电器有限公司 | Clothes hanging fulcrum bar forming structure for shed-type clothes dryer |
| CN104626627A (en) * | 2015-02-02 | 2015-05-20 | 柳州市二和汽车零部件有限公司 | Rubber pipe production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101134369A (en) | Technique of preparing FRP fibre-reinforced composite material bar | |
| CN208841802U (en) | A kind of extruder with improvement barrel | |
| CN86106778A (en) | Silicon rubber helical tube and preparation method thereof | |
| CN2818122Y (en) | Special extruder of thermoplastic elastomer | |
| CN201290317Y (en) | Two-step forming type rice flour machine for experiment | |
| CN1736826A (en) | Anti humidity and slip fire-retardant conveying belt and its production method | |
| CN107199684B (en) | Dynamic extrusion molding device and method for rubber | |
| CN113320125A (en) | Manufacturing method and production line of continuous fiber composite material spring and spring | |
| CN1300501C (en) | Corelesss winding hose and its production technology | |
| CN107283791A (en) | A kind of single screw rod triple-helix structure extrusion device | |
| CN1297387C (en) | Process for moulding composite support inserting tubes | |
| CN206393995U (en) | A kind of silica gel vulcanization plant | |
| CN110272574A (en) | A kind of production technology promoting PE solid wall pipe weatherability | |
| CN1189312C (en) | Polyurethane enhancing flexible pipe and its manufacturing methods | |
| CN201440026U (en) | Expansion dryer for rare-earth synthetic rubber | |
| CN207842014U (en) | Resin extruded machine | |
| CN104129057B (en) | What a kind of scrap rubber serialization regenerated de-connects Plasticator and process | |
| CN1727582A (en) | Wrapping formed inspection well prepared from plastic in environmental protection, and method of preparation | |
| CN112175328A (en) | Glass fiber reinforced hard polyvinyl chloride plastic cable guide pipe and manufacturing method thereof | |
| CN111022786A (en) | Glass fiber reinforced PE water supply pipe and preparation method thereof | |
| CN101391486B (en) | Mold for preparing variable diameter glass fibre reinforced plastic pipeline | |
| CN212888780U (en) | Feeding structure is used in processing of plastic mold | |
| CN205969644U (en) | Single coelomic chamber's vulcanizer | |
| CN211298390U (en) | Blood cell albumen powder pelletization device | |
| CN220008256U (en) | Multistage pugging device is used in porcelain production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |