CN205767049U - A kind of tire-mold exhaust apparatus - Google Patents
A kind of tire-mold exhaust apparatus Download PDFInfo
- Publication number
- CN205767049U CN205767049U CN201620703256.3U CN201620703256U CN205767049U CN 205767049 U CN205767049 U CN 205767049U CN 201620703256 U CN201620703256 U CN 201620703256U CN 205767049 U CN205767049 U CN 205767049U
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- mandrel
- sheath body
- tire
- exhaust apparatus
- pin
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Abstract
The utility model discloses a kind of tire-mold exhaust apparatus, it belongs to tire-mold molding aerofluxus technical field, including sheath body, described sheath body is hollow structure and inside is provided with mandrel, described mandrel top is provided with block, and described mandrel bottom is provided with stopping means, and described shroud base is provided with through hole, described stopping means is resisted against the sheath body bottom surface mandrel axial limiting to stretching out from through hole, is additionally provided with spring flexibly positioned to mandrel between described sheath body and mandrel.This utility model have the beneficial effect that this exhaust apparatus is capable of the effect of die venting not binder removal.
Description
Technical field
This utility model relates to tire-mold field shaping technique, is specifically related to a kind of tire-mold exhaust apparatus.
Background technology
In existing tire vulcanization process, in order to make the air in mold cavity be released out, so that rubber can
Being distributed evenly in mould, existing tire-mold all offers multiple steam vent on mold cavity.In sulfidation,
Owing to the aerofluxus of tread area is discharged by circular pore, these pores are usually located at mould inner tube of a tyre end face, and through
Wearing to mold outer surface, in the case of high pressure and Gao Re, unvulcanized rubber can be extruded into outside chamber, mould tire top；Work as sky
After gas is discharged from mould, rubber forms glue hair in being got into the steam vent being drilled with, and during the tire demoulding, these glue hair parts can
Can break in vent bore, when again carrying out tyre vulcanization, the discharge of type chamber air can be hindered, and then cause rubber not
Whole mold cavity can be completely filled with.In order to avoid this kind of situation, need to unload to be carried out from production line by tire-mold.
General washing and cleaning operation is to use drill bit to be got out by the rubber in each pore, the most time-consumingly, affects production efficiency；Vulcanizating
Tire on, major part glue hair stands on along with the demoulding on tire, for removing removing glue hair, and has to set special messenger and relevant device enters
Row is pruned, and not only affects the presentation quality of tire, and wastes sizing material, adds production cost.And announce in the market
The pore-free tire mould exhaust valve (CN102313057A) of improvement although structure is simple, the difference relying on thermal coefficient of expansion is full
Foot technical need, but technology acuracy and material etc. require height, once occur that blocking is difficult in maintenance.This utility model relates to one
Plant tire-mold exhaust apparatus, it is possible to solve the problems referred to above.
Summary of the invention
For forming the problem existing for glue hair processing method in steam vent in prior art, the one of this utility model offer
Plant tire-mold exhaust apparatus, steam vent hose lining hair problem thoroughly can be solved, it is not necessary to again clean.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of tire-mold exhaust apparatus, including sheath body, described sheath body is hollow structure and inside is provided with mandrel, described core
Axle top is provided with block, and described mandrel bottom is provided with stopping means, and described shroud base is provided with through hole, described stopping means against
In sheath body bottom surface to the mandrel axial limiting stretched out from through hole, it is additionally provided with spring between described sheath body and mandrel fixed to mandrel elasticity
Position.
As preferred technical scheme, described stopping means is the one in back-up ring and pin, and described mandrel bottom is provided with
Groove, described stopping means is back-up ring, described back-up ring and ditch slot fit；Or described mandrel bottom is provided with pin-and-hole, described spacing
Device is pin, and described pin is fixing with pin-and-hole to be connected.
As preferred technical scheme, described back-up ring is circular arc ring, and described pin length is more than through-hole diameter.
Described block is inverted cone, and block diameter is more than mandrel.
As preferred technical scheme, the top inner face of described sheath body is taper seat, with the inverted cone at mandrel top
Periphery taper seat matches.
Described block when being fully pressed in sheath body, the upper either flush of lid upper surface and sheath body.
As preferred technical scheme, described spring housing is on mandrel, and spring top is spacing by block, and spring bottom is fixed
The limiting stand being provided with on sheath body or by shroud base is spacing.
As preferred technical scheme, the inverted cone at described mandrel top exists with the inner face taper seat gap of sheath body
0.08mm-0.15mm, makes exhaust clearance reach optimum.
Described mandrel, block, sheath body the material coefficient of heat conduction close with the coefficient of heat conduction of mould.
Described sheath body is embedded in the steam vent of mould, and the upper end face of sheath body is concordant with the inner surface of mould.
Described through-hole diameter is more than axle diameter.
This utility model have the beneficial effect that this exhaust apparatus is capable of the effect of die venting not binder removal.And
The exhaust apparatus processing method of this structure is simple and convenient, without complicated position limiting structure bottom mandrel, it is only necessary to bottom increases limit
Position device is just capable of moving up and down spacing, low cost of manufacture；By back-up ring and stop lever mechanism, the limit to mandrel can be improved
Position is accurately, it is ensured that the exhaust clearance between mandrel and block is not too large, it is to avoid block cannot be retracted into the problem in sheath body.
Accompanying drawing explanation
Fig. 1 is the main sectional view of a kind of tire-mold exhaust apparatus band back-up ring；
Fig. 2 is the exploded view of a kind of tire-mold exhaust apparatus band back-up ring；
Fig. 3 is the main sectional view of a kind of tire-mold exhaust apparatus band pin；
Fig. 4 is the main sectional view of a kind of tire-mold exhaust apparatus non-band pin；
Fig. 5 is the side view of a kind of tire-mold exhaust apparatus band pin.
In figure: 1. block, 2. mandrel, 3. spring, 4. sheath body, 5. groove, 6. limiting stand, 7. back-up ring, 8. through hole, 9. pin
Hole, 10. pin.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described for the ease of it will be appreciated by those skilled in the art that.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of tire-mold exhaust apparatus, including sheath body 4, described sheath body 4 is
Hollow structure and inside are provided with mandrel 2, and described mandrel 2 top is provided with block 1, and described mandrel 2 bottom is provided with stopping means, described
Being provided with through hole 8 bottom sheath body 4, described stopping means is resisted against sheath body 4 bottom surface mandrel 2 axial limiting to stretching out, institute from through hole 8
State that to be additionally provided with spring 3 between sheath body 5 and mandrel 2 flexibly positioned to mandrel 2.
As preferred technical scheme, described stopping means is the one in back-up ring 7 and pin 10, described mandrel 2 bottom
Being provided with groove 5, described stopping means is back-up ring 7, and described back-up ring 7 coordinates with groove 5；Or described mandrel 2 bottom is provided with pin-and-hole
9, described stopping means is pin 10, and described pin 10 is fixing with pin-and-hole 9 to be connected.
As preferred technical scheme, described back-up ring 7 is circular arc ring, beneficially aerofluxus；Described pin 10 length is more than logical
Hole 8 diameter, prevents mandrel 2 from ejecting sheath body 4.
Described block 1 is inverted cone, and block 1 diameter is more than mandrel 2.
As preferred technical scheme, the top inner face of described sheath body 4 is taper seat, with the inverted cone at mandrel 2 top
External week, taper seat matched, described block 1 when being fully pressed in sheath body 4, the upper end face of block 1 upper surface and sheath body 4
Concordant.
As preferred technical scheme, described spring 3 is enclosed within mandrel 2, and spring 3 top is spacing by block 1, spring 3 end
The limiting stand 6 that portion is fixed on sheath body 4 or is provided with bottom sheath body 4 is spacing.
As preferred technical scheme, the inverted cone at described mandrel 2 top and the inner face taper seat gap of sheath body 4 exist
0.08mm-0.15mm, makes exhaust clearance reach optimum.
Described mandrel 2, block 1, sheath body 4 the material coefficient of heat conduction close with the coefficient of heat conduction of mould.
Described sheath body 4 is embedded in the steam vent of mould, and the upper end face of sheath body 4 is concordant with the inner surface of mould.
Described through hole 8 diameter is more than mandrel 2 diameter.
Embodiment one:
As shown in Figure 1 and Figure 2, described mandrel 2 bottom is provided with groove 5, and described stopping means is back-up ring 7, described back-up ring 7 with
Groove 5 coordinates, and during exhaust apparatus uses, spring 3 is by block 1 jack-up, and block 1 band moving mandrel 2 and back-up ring 7 upwards move
Dynamic, bottom sheath body 4, back-up ring 7 is carried out spacing, mandrel 2 stops upper shifting, shape between inner face on block 1 inverted cone and sheath body 4
Become exhaust gap.In tire vulcanization process, along with the molding of tyre surface, tread-rubber can directly bear against block 1 dome top surface, lid
Cap 1 band moving mandrel 2 and back-up ring 7 move down, and block 1 is pressed back in sheath body 4, and exhaust gap closes, mandrel 2 top now
The upper surface of inverted cone is concordant with the upper surface at sheath body 4 top, and rubber cannot be discharged from, it is achieved the aerofluxus of rubber for tire is not
Binder removal.
Embodiment two:
The place identical with embodiment one is not repeating, and as shown in Fig. 3, Fig. 4, Fig. 5, described mandrel 2 bottom is provided with pin-and-hole
9, described stopping means is pin 10, and described pin 10 is fixing with pin-and-hole 9 to be connected, and block 1 jack-up, block 1 are driven core by spring 3
Axle 2 and pin 10 move up, and carry out spacing to pin 10 bottom sheath body 4, in tire vulcanization process, block 1 band moving mandrel 2 and
Pin 10 moves down, it is achieved the aerofluxus of rubber for tire not binder removal.
Above content is only to structure example of the present utility model and explanation, the technology of affiliated the art
Described specific embodiment is made various amendment or supplements or use similar mode to substitute by personnel, without departing from
The structure of utility model or surmount scope defined in the claims, all should belong to protection domain of the present utility model.
Claims (10)
1. a tire-mold exhaust apparatus, it is characterised in that: include that sheath body, described sheath body are hollow structure and inside is provided with core
Axle, described mandrel top is provided with block, and described mandrel bottom is provided with stopping means, and described shroud base is provided with through hole, described limit
Position device is resisted against the sheath body bottom surface mandrel axial limiting to stretching out from through hole, is additionally provided with spring pair between described sheath body and mandrel
Mandrel is flexibly positioned.
A kind of tire-mold exhaust apparatus the most according to claim 1, it is characterised in that: described stopping means be back-up ring and
One in pin, described mandrel bottom is provided with groove, and described stopping means is back-up ring, described back-up ring and ditch slot fit；Or
Described mandrel bottom is provided with pin-and-hole, and described stopping means is pin, and described pin is fixing with pin-and-hole to be connected.
A kind of tire-mold exhaust apparatus the most according to claim 2, it is characterised in that: described back-up ring is circular arc ring, institute
State pin length more than through-hole diameter.
A kind of tire-mold exhaust apparatus the most according to claim 1, it is characterised in that: described block is inverted cone,
Block diameter is more than mandrel.
A kind of tire-mold exhaust apparatus the most according to claim 1, it is characterised in that: the top inner face of described sheath body
For taper seat, match with the inverted cone periphery taper seat at mandrel top.
A kind of tire-mold exhaust apparatus the most according to claim 1, it is characterised in that: described block is being fully pressed into
Time in sheath body, lid upper surface and the upper either flush of sheath body.
A kind of tire-mold exhaust apparatus the most according to claim 1, it is characterised in that: described spring housing on mandrel,
Spring top is spacing by block, and the limiting stand that spring bottom is fixed on sheath body or is provided with by shroud base is spacing.
A kind of tire-mold exhaust apparatus the most according to claim 1, it is characterised in that: as preferred technical scheme,
The inner face taper seat gap of the inverted cone at described mandrel top and sheath body is at 0.08mm-0.15mm.
A kind of tire-mold exhaust apparatus the most according to claim 1, it is characterised in that: described sheath body is embedded in mould
In steam vent, the upper end face of sheath body is concordant with the inner surface of mould.
A kind of tire-mold exhaust apparatus the most according to claim 1, it is characterised in that: described through-hole diameter is more than core
Shaft diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703256.3U CN205767049U (en) | 2016-07-05 | 2016-07-05 | A kind of tire-mold exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703256.3U CN205767049U (en) | 2016-07-05 | 2016-07-05 | A kind of tire-mold exhaust apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205767049U true CN205767049U (en) | 2016-12-07 |
Family
ID=58124814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620703256.3U Active CN205767049U (en) | 2016-07-05 | 2016-07-05 | A kind of tire-mold exhaust apparatus |
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| CN (1) | CN205767049U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021144503A1 (en) | 2020-01-16 | 2021-07-22 | Wd Racing Oy | Venting valve and method of mounting valve stem of venting valve |
| WO2021144504A1 (en) * | 2020-01-16 | 2021-07-22 | Wd Racing Oy | Venting valve and method of mounting valve stem of venting valve |
| CN116604744A (en) * | 2023-07-20 | 2023-08-18 | 山东豪迈机械科技股份有限公司 | Exhaust and sand discharge device and tire mold with same |
-
2016
- 2016-07-05 CN CN201620703256.3U patent/CN205767049U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021144503A1 (en) | 2020-01-16 | 2021-07-22 | Wd Racing Oy | Venting valve and method of mounting valve stem of venting valve |
| WO2021144504A1 (en) * | 2020-01-16 | 2021-07-22 | Wd Racing Oy | Venting valve and method of mounting valve stem of venting valve |
| US12072030B2 (en) | 2020-01-16 | 2024-08-27 | Wd Racing Oy | Venting valve and method of mounting valve stem of venting valve |
| CN116604744A (en) * | 2023-07-20 | 2023-08-18 | 山东豪迈机械科技股份有限公司 | Exhaust and sand discharge device and tire mold with same |
| CN116604744B (en) * | 2023-07-20 | 2023-10-03 | 山东豪迈机械科技股份有限公司 | Exhaust and sand discharge device and tire mold with same |
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| GR01 | Patent grant |