CN105365236A - Manufacturing method for disconnected type rubber inner tube - Google Patents
Manufacturing method for disconnected type rubber inner tube Download PDFInfo
- Publication number
- CN105365236A CN105365236A CN201510817062.6A CN201510817062A CN105365236A CN 105365236 A CN105365236 A CN 105365236A CN 201510817062 A CN201510817062 A CN 201510817062A CN 105365236 A CN105365236 A CN 105365236A
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- CN
- China
- Prior art keywords
- inner tube
- circle sheet
- tyre
- block head
- breakaway
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/24—Endless tubes, e.g. inner tubes for pneumatic tyres
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Tires In General (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention discloses a manufacturing method for a disconnected type rubber inner tube. Movable round sheets are pasted to the disconnected position of the two ends of the inner tube, so that a continuous ring shape is formed by the inner tube and the round sheets; and the inner tube and the round sheets are placed in an inner tube mold together to be subjected to heating, pressurizing and other treatment. The manufacturing method breaks through the limitation that the lengths of tube barrels on the two sides of an inner tube valve must be kept precise and the limitation of inner tube manufacturing materials, it can be guaranteed that a tube body is uniform in thickness after the inner tube is molded, and the inner tube quality is guaranteed; according to the blocking head process, batch production of the disconnected type inner tube is made possible through the process that a long-strip-shaped opening is formed in the tube body or the process that connection is conducted through a splicer after blocking heads are manufactured.
Description
Technical field
The present invention relates to rubber tyre product process class technical field, the particularly preparation method of breakaway-element rubber inner tube.
Background technology
Breakaway-element rubber inner tube proposes for many years, although it has great practical value, especially when electric bicycle is more and more popularized, more demonstrates the huge convenience of the breakaway-element inner tube of a tyre.But because technological reason can not carry out volume production always, even if want to do a sample tire all need to expend that very large cost is uncertain can reach satisfied.So, still do not have the breakaway-element finished product inner tube of a tyre of conventional tires material to come out up to now.Recently, market occurs a kind of full milk glue is as raw material, be that preparation method has produced the inner tube of a tyre of breakaway-element with making the technique of toy ball, the greatest drawback of this inner tube of a tyre: one is that cost is too high, two is combinations of casing and valve cock is difficult problems, three is performance indications and ageing resistance problem, and four is material therefors is not the best materials of the inner tube of a tyre.If so the round sealed formula inner tube of a tyre of traditional material can become the breakaway-element inner tube of a tyre bring huge change by inner tube of a tyre practicality, repairing and replacing.If stainless steel circle sheet is fixed on (or carrying out partition plug when inner tube mold makes in advance) on inner tube mold, the tire cylinder length dimension that every bar inner tube valve chews both sides cannot be ensured accurately, and valve nozzle has had fixed position on tire cylinder, partially thinly if will be stretched during sulfuration that valve nozzle is short on one side even to break, just there will be folder ditch if grown; And the two ends disconnected do not couple together when sulfuration and just cannot shape, and cannot shape and just cannot ensure vulcanized article quality.
Summary of the invention
For overcoming problems of the prior art, the invention provides one conventional rubber material and producing breakaway-element rubber inner tube, ensure simultaneously tube body thickness evenly, without the need to ensureing that casing valve nozzle both sides length dimension is precisely fixed, the second best in quality inner tube of a tyre.
The present invention solves the technical scheme that its technical problem takes: the preparation method of this kind of breakaway-element rubber inner tube, is characterized in that:
Robber materials is extruded through mixing, expressing technique and is installed the tire cylinder with valve nozzle, determines casing thickness, section width and every bar inner tube of a tyre length;
The both ends open of every bar tire cylinder, on two openends are pasted, block head makes the inner tube of a tyre, the inner tube of a tyre with block head two ends relatively and smear rubber cement on block head, smear rubber cement in the two sides of a circle sheet or be not coated with rubber cement, the block head being coated with rubber cement is bonded at the two sides of circle sheet, become the annular inner tube of a tyre that a two links together, in inner tube forming ring after sizing, the inner tube of a tyre after sizing is put in inner tube mold carry out heating, pressurize, rubber inner tube that sulfuration produces different size model; Sulfuration terminates the rear taking-up inner tube of a tyre, is taken off at inner tube of a tyre two ends from circle sheet.
Further, with identical with casing or that gum content is higher material make or thickness identical with casing wall thickness be the round film of thick 0.5 ~ 1.5 times of tire barrel as block head, with rubber cement adhesive, block head edge is bonded at the outward flange at inner tube of a tyre both ends open place for one week.
Further, the method to set up of block head is, at the built-in columned support plug of the both ends open end of tire cylinder, cut at least one rectangular mouth at tire cylinder casing, support plug takes out from rectangular mouth after sealing by block head, then uses film and rubber cement by rectangular mouth adhesive seal.
Further, the method to set up of block head is, the shutoff tire cylinder of both ends open is wherein made block head in one end, then the shutoff of tire cylinder two openends realized with valve nozzle that the openend of shutoff tire cylinder and two openend splicers with the tire cylinder of valve nozzle are connected together.
Further, described round film diameter is greater than the front inner-tube cylinder diameter 2mm ~ 12mm of pressurization.
Further, described circle sheet has two or more, and circle sheet is fixing by buckle clamping, and outermost circle sheet lateral surface is smooth flat or band exhaust line plane.
Further, described circle sheet has two or more, and circle sheet coordinates grafting to fix by inserted link with jack, and outermost circle sheet lateral surface is smooth flat or band exhaust line plane.
Further, described circle sheet is sheet metal or resistant to elevated temperatures synthetic plastic sheet; The diameter 0.2mm-5mm less of the diameter of the cross section of inner tube mold of circle sheet.
Further, the thickness≤5mm of described circle sheet.
Further, using in the middle of two tire cylinder block heads can with the circle sheet isolation sulfuration of tire cylinder movement.
To sum up, the beneficial effect of technique scheme of the present invention is as follows:
Achieve the industry mass production of the breakaway-element inner tube of a tyre, traditional rubber inner tube material and traditional manufacture craft is utilized to produce tire cylinder with valve nozzle, by tire tube length degree according to the requirement of inner tube of a tyre specification, determine the length of the thickness of casing, section width and each tire cylinder, only need the overall length determining each tire cylinder, do not need repetition accurately to determine valve cock both sides fixed length.The circle sheet of optional position in movable be arranged on inner tube mold is set, inner tube of a tyre block head is sticked to the two sides of circle sheet.Avoid and partially thinly even to break because the tire tube length degree uncertain tire cylinder size caused in valve nozzle both sides need stretch to cause compared with short term curing than fixed dimension, when tire cylinder size is longer than fixed dimension there is folder ditch in sulfuration; And the two ends disconnected do not couple together when sulfuration and just cannot shape, cannot shape and just cannot ensure vulcanized article quality, this preparation method only needs the overall length determining every bar inner tube of a tyre, solves the problems referred to above.Along with the operation of heating, pressurizeing is carried out, the rubber cement on block head and circle sheet departs from, and circle sheet easily can be taken off.
Accompanying drawing explanation
Fig. 1 is the block head of the embodiment of the present invention one and the annexation schematic diagram of circle sheet;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is the fractionation structural representation of each circle sheet in embodiment two;
Fig. 4 is the annexation schematic diagram of each circle sheet in embodiment two;
Fig. 5 is the fractionation structural representation of each circle sheet in embodiment three;
Fig. 6 is the annexation schematic diagram of each circle sheet in embodiment three.
In figure:
1 tire cylinder, 2 block heads, 3 circle sheets, 31 left end side circle sheets, 32 middle circle thin slices, 33 right-hand member side circle sheets, 4 rubber cements, 5 buckles, 6 inserted links, 7 jacks.
Detailed description of the invention
Be described in detail to characteristic sum principle of the present invention below in conjunction with accompanying drawing 1-6, illustrated embodiment, only for explaining the present invention, not limits protection scope of the present invention with this.
Robber materials extrudes the tire cylinder 1 with valve nozzle through mixing, expressing technique, determines casing thickness, section width and every bar inner tube of a tyre length;
The both ends open of every bar inner tube of a tyre, on two openends are pasted, block head 2 makes the inner tube of a tyre, make the round film of identical with casing wall thickness (adjusting thickness is between thick 0.5 ~ 1.5 times of tire barrel as required) as block head by the material of identical with casing (or higher gum content), described round film diameter is greater than the front inner tube diameter 2mm ~ 12mm that pressurizes.With adhesive, block head edge is bonded at inner tube of a tyre both ends open place outward flange for one week.Again after pressurized treatments, block head and inner-tube cylinder are molded as one.
Embodiment one: the inner tube of a tyre with block head two ends relatively and smear rubber cement on block head, as shown in Figure 1 and Figure 2, one is adopted at circle sheet 3, smear rubber cement on the two sides of circle sheet (also can not be coated with, directly and the block head bonding of gluing) and the block head being coated with rubber cement is bonded at the two sides of circle sheet, become the annular inner tube of a tyre that a two links together, in inner tube forming ring after sizing, the inner tube of a tyre after sizing is put in inner tube mold carry out heating, pressurize, rubber inner tube that sulfuration produces different size model.
The diameter 0.2-5mm less of the diameter of the cross section of inner tube mold of described circle sheet, ensures that circle sheet can not interfere with inner tube mold in inner tube mold, facilitates the taking-up of circle sheet.Described circle sheet be stainless steel steel disc or possess high temperature resistant, have good bonding force with rubber cement, and have after sulfuration and make with the other materials of rubber detachment function.Thickness≤the 5mm of described circle sheet.
After the pressurizing, inner tube of a tyre inner chamber gassy and spreading, the diameter after inner tube of a tyre pressurization has increase to a certain degree, and now, the diameter of circle sheet is not more than the diameter of the inner tube of a tyre after pressurization, prevents circle sheet from affecting inner tube of a tyre extrusion forming.
Sulfuration terminates the rear taking-up inner tube of a tyre, and the rubber cement 4 between block head and circle sheet departs from circle sheet, is taken off at inner tube of a tyre two ends from circle sheet.
Embodiment two: as Fig. 3, shown in Fig. 4, described circle sheet has two or more, circle sheet is fixing by buckle clamping, be smooth flat at the circle sheet lateral surface of outermost end, as shown in Figure 3, the right side i.e. inner side of left end side circle sheet 31 is with buckle 5, the left side i.e. inner side of right-hand member side circle sheet 33 is also with buckle 5, if adopt two circle sheets, together with the buckle on the right side of left end side circle sheet 31 then connects and fixes with the buckle on the left of right-hand member side circle sheet 33, the block head that rubber cement and the inner tube of a tyre are smeared as shiny surface in the left side of left end side circle sheet 31 and the right side of right-hand member side circle sheet 33 glueds joint.If adopt multiple circle sheet, then the both sides of middle circle thin slice 32 are equipped with buckle, and the mutual snap-fit engagement of buckle on buckle and adjacent circle sheet is fixed, and mounts and dismounts all very convenient.The length getting final product every bar inner tube of a tyre like this shortens because cutting error generation small quantity, also can carry out adjustment by the quantity of adjustment circle sheet to the inner tube of a tyre in inner tube mold and make up.
Embodiment three, as shown in Figure 5, Figure 6, described circle sheet has two or more, and circle sheet coordinates grafting to fix by inserted link 6 with jack 7, and outermost circle sheet lateral surface is smooth flat.As shown in Figure 5, the right side i.e. inner side of left end side circle sheet 31 is provided with jack 7, the left side i.e. inner side of right-hand member side circle sheet 33 is provided with inserted link 6, described inserted link coordinates fixing with described jack grafting, if adopt two circle sheets, the inserted link grafting on the left of the jack on the right side of left end side circle sheet 31 and right-hand member side circle sheet 33 is fixed together, and the block head that rubber cement and the inner tube of a tyre are smeared as shiny surface in the left side of left end side circle sheet 31 and the right side of right-hand member side circle sheet 33 glueds joint.If adopt multiple circle sheet, then the both sides of middle circle thin slice 32 are respectively equipped with inserted link and jack, and inserted link and jack coordinate fixing with the jack on adjacent circle sheet and the mutual grafting of inserted link, mount and dismount all very convenient.Its technique effect is substantially identical with embodiment two, does not repeat them here.
The tire cylinder of extrusion molding is flat drum shape, and the shutoff therefore wanting to realize tire cylinder two openend needs tire cylinder two openend to support formation circular open.
The method to set up of a kind of block head therefore adopted is, embodiment four: at the built-in columned support plug of the both ends open end of tire cylinder, tire cylinder openend is supported formation circular open by support plug, facilitates the stickup of block head.Cut at least one rectangular mouth at tire cylinder casing, support plug takes out from rectangular mouth after sealing by block head, then uses film and rubber cement by rectangular mouth adhesive seal.This kind of block head method of attaching can realize supporting shutoff fast, and shutoff efficiency is high.
Can certainly by long cylindric they sup-port in tire cylinder openend.
The method to set up of another kind of block head is, embodiment five: the shutoff tire cylinder of both ends open is wherein made block head in one end, then the shutoff of tire cylinder two openends realized with valve nozzle that the openend of shutoff tire cylinder and two openend splicers with the tire cylinder of valve nozzle are connected together.
This inner tube of a tyre preparation method achieves the industry mass production of the breakaway-element inner tube of a tyre, traditional rubber inner tube material and traditional manufacture craft is utilized to produce tire cylinder with valve nozzle, by tire tube length degree according to the requirement of inner tube of a tyre specification, determine the length of the thickness of casing, section width and each tire cylinder, only need the overall length determining each tire cylinder, do not need repetition accurately to determine valve cock both sides length.The circle sheet of optional position in movable be arranged on inner tube mold is set, inner tube of a tyre block head is sticked to the two sides of circle sheet.Avoid tire cylinder size (than the fixed dimension) short term curing caused because valve nozzle both sides tire tube length degree is uncertain need stretch to cause and partially thinly even to break, when tire cylinder size (than fixed dimension) is longer there is folder ditch in sulfuration; And the two ends disconnected do not couple together when sulfuration and just cannot shape, cannot shape and just cannot ensure vulcanized article quality, this preparation method only needs the overall length determining every bar inner tube of a tyre, solves the problems referred to above.Along with the operation of heating, pressurizeing is carried out, the rubber cement on block head and circle sheet departs from, and circle sheet easily can be taken off.
Above-described embodiment is only the description carried out the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in the determined protection domain of claims of the present invention.
Claims (10)
1. the preparation method of breakaway-element rubber inner tube, is characterized in that:
Robber materials is extruded through mixing, expressing technique and is installed the tire cylinder with valve nozzle, determines casing thickness, section width and every bar inner tube of a tyre length;
The both ends open of every bar tire cylinder, block head is set in two open end and makes the inner tube of a tyre, the inner tube of a tyre with block head two ends relatively and smear rubber cement on block head, smear rubber cement in the two sides of a circle sheet or be not coated with rubber cement, the block head being coated with rubber cement is bonded at the two sides of circle sheet, become the annular inner tube of a tyre that a two links together, in inner tube forming ring after sizing, the inner tube of a tyre after sizing is put in inner tube mold carry out heating, pressurize, rubber inner tube that sulfuration produces different size model; Sulfuration terminates the rear taking-up inner tube of a tyre, is taken off at inner tube of a tyre two ends from circle sheet.
2. the preparation method of breakaway-element rubber inner tube according to claim 1, it is characterized in that: with identical with casing or that gum content is higher material make or thickness identical with casing wall thickness be the round film of thick 0.5 ~ 1.5 times of tire barrel as block head, with rubber cement adhesive, block head edge is bonded at the outward flange at inner tube of a tyre both ends open place for one week.
3. the preparation method of breakaway-element rubber inner tube according to claim 2, it is characterized in that: the method to set up of block head is, at the built-in columned support plug of the both ends open end of tire cylinder, at least one rectangular mouth is cut at tire cylinder casing, support plug takes out from rectangular mouth after sealing by block head, then uses film and rubber cement by rectangular mouth adhesive seal.
4. the preparation method of breakaway-element rubber inner tube according to claim 1, it is characterized in that: the method to set up of block head is, the shutoff tire cylinder of both ends open is wherein made block head in one end, then the shutoff of tire cylinder two openends realized with valve nozzle that the openend of shutoff tire cylinder and two openend splicers with the tire cylinder of valve nozzle are connected together.
5. the preparation method of breakaway-element rubber inner tube according to claim 2, is characterized in that: described round film diameter is greater than the front inner-tube cylinder diameter 2mm ~ 12mm of pressurization.
6. the preparation method of breakaway-element rubber inner tube according to claim 1, is characterized in that: described circle sheet has two or more, and circle sheet is fixing by buckle clamping, and outermost circle sheet lateral surface is smooth flat or band exhaust line plane.
7. the preparation method of breakaway-element rubber inner tube according to claim 1, it is characterized in that: described circle sheet has two or more, circle sheet coordinates grafting to fix by inserted link with jack, and outermost circle sheet lateral surface is smooth flat or band exhaust line plane.
8. the preparation method of breakaway-element rubber inner tube according to claim 1, is characterized in that: described circle sheet is sheet metal or resistant to elevated temperatures synthetic plastic sheet; The diameter 0.2mm-5mm less of the diameter of the cross section of inner tube mold of circle sheet.
9. the preparation method of breakaway-element rubber inner tube according to claim 1, is characterized in that: the thickness≤5mm of described circle sheet.
10. the preparation method of breakaway-element rubber inner tube according to claim 1, is characterized in that: with isolating sulfuration with the circle sheet of tire cylinder movement in the middle of two tire cylinder block heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817062.6A CN105365236B (en) | 2015-11-20 | 2015-11-20 | The preparation method of breakaway-element rubber inner tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817062.6A CN105365236B (en) | 2015-11-20 | 2015-11-20 | The preparation method of breakaway-element rubber inner tube |
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| Publication Number | Publication Date |
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| CN105365236A true CN105365236A (en) | 2016-03-02 |
| CN105365236B CN105365236B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510817062.6A Active CN105365236B (en) | 2015-11-20 | 2015-11-20 | The preparation method of breakaway-element rubber inner tube |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003778A (en) * | 2016-05-13 | 2016-10-12 | 中策橡胶集团有限公司 | Preparation device and preparation method for bladder body of tire molded rubber bladder |
| CN106566096A (en) * | 2016-11-14 | 2017-04-19 | 江苏富梓民轮胎有限公司 | Open type inner tube and preparation method |
| CN115449161A (en) * | 2022-10-12 | 2022-12-09 | 道恩高材(北京)科技有限公司 | Thermoplastic inflatable inner tube |
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| DE29803621U1 (en) * | 1998-03-03 | 1998-04-23 | Gromball, Reinhold, 66625 Nohfelden | Open bicycle tube |
| CN2472995Y (en) * | 2001-04-19 | 2002-01-23 | 李西平 | Openable inflation inner tube |
| GB2416332A (en) * | 2004-07-17 | 2006-01-25 | William Desmond Sadler | Cycle inner tube |
| CN200939808Y (en) * | 2006-08-17 | 2007-08-29 | 张建凯 | Tyre able to easy detach inner tube |
| US20080060735A1 (en) * | 2006-09-11 | 2008-03-13 | Joseph Taylor | C-shaped inner tube for tires |
| US20080223497A1 (en) * | 2007-03-16 | 2008-09-18 | John Balzowski | Tire Inner Tube |
| CN102785534A (en) * | 2012-06-28 | 2012-11-21 | 锦州新兴橡胶制品有限公司 | Bicycle tire tube and manufacture method thereof |
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2015
- 2015-11-20 CN CN201510817062.6A patent/CN105365236B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29803621U1 (en) * | 1998-03-03 | 1998-04-23 | Gromball, Reinhold, 66625 Nohfelden | Open bicycle tube |
| CN2472995Y (en) * | 2001-04-19 | 2002-01-23 | 李西平 | Openable inflation inner tube |
| GB2416332A (en) * | 2004-07-17 | 2006-01-25 | William Desmond Sadler | Cycle inner tube |
| CN200939808Y (en) * | 2006-08-17 | 2007-08-29 | 张建凯 | Tyre able to easy detach inner tube |
| US20080060735A1 (en) * | 2006-09-11 | 2008-03-13 | Joseph Taylor | C-shaped inner tube for tires |
| US20080223497A1 (en) * | 2007-03-16 | 2008-09-18 | John Balzowski | Tire Inner Tube |
| CN102785534A (en) * | 2012-06-28 | 2012-11-21 | 锦州新兴橡胶制品有限公司 | Bicycle tire tube and manufacture method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003778A (en) * | 2016-05-13 | 2016-10-12 | 中策橡胶集团有限公司 | Preparation device and preparation method for bladder body of tire molded rubber bladder |
| CN106566096A (en) * | 2016-11-14 | 2017-04-19 | 江苏富梓民轮胎有限公司 | Open type inner tube and preparation method |
| CN115449161A (en) * | 2022-10-12 | 2022-12-09 | 道恩高材(北京)科技有限公司 | Thermoplastic inflatable inner tube |
| CN115449161B (en) * | 2022-10-12 | 2024-06-14 | 道恩高材(北京)科技有限公司 | Thermoplastic inflatable inner tube |
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| Publication number | Publication date |
|---|---|
| CN105365236B (en) | 2017-07-18 |
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