CN220638599U - Floating sealing structure at upper part of tire mold - Google Patents
Floating sealing structure at upper part of tire mold Download PDFInfo
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- CN220638599U CN220638599U CN202321241680.7U CN202321241680U CN220638599U CN 220638599 U CN220638599 U CN 220638599U CN 202321241680 U CN202321241680 U CN 202321241680U CN 220638599 U CN220638599 U CN 220638599U
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- ring
- upper floating
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- floating ring
- floating
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- 238000007667 floating Methods 0.000 title claims abstract description 149
- 238000007789 sealing Methods 0.000 title claims abstract description 103
- 230000000694 effects Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
In the structure, an upper floating ring is connected with an upper plate in a floating manner, and the upper sealing ring and the upper plate are sealed by a sealing sleeve; the upper floating ring is provided with a sealing ring; the upper floating ring is provided with a guiding and positioning device; the stop block is arranged on the upper plate or the embedded ring and used for limiting the axial movement of the upper seal ring; the vacuumizing tire mold is simple in structure, uneven extrusion of the sealing ring in the mold closing process in the prior art is improved to the greatest extent, the service life of the sealing ring is greatly prolonged, and the maintenance is convenient.
Description
Technical Field
The utility model relates to the technical field of tire mold structures and manufacturing, in particular to an upper floating seal structure for a tire mold during vacuumizing.
Background
The tread pattern part of the tire is an important component part of the tire, the tire pattern is more and more complicated at present, the exhaust of the root part of the pattern is unsmooth when the tire is vulcanized and formed, the phenomenon of lack of rubber on the tread occurs, the existing solution is to process a plurality of exhaust holes on the side surface of the rib of the tread of the mold, a large amount of rubber hair is generated on the tread after the tire is discharged, and the rubber hair is required to be removed later.
In order to improve the surface quality of the tire, various people are devoted to researching a vacuum-pumping tire mold, so that strict requirements are imposed on the repeated positioning precision of the mold and the service life of a sealing ring, and no more mature solution exists at present. When the tire mold performs mold opening and closing actions, the sealing ring is excessively worn due to inaccurate positioning, and the tire rubber edge phenomenon is caused by over positioning.
When the existing tire mold is used for vulcanizing tires, due to poor precision of a vulcanizing machine, the upper floating ring sealing ring 14 is crushed due to eccentricity of the mold during opening and closing, so that the vacuum pumping effect of the mold is poor, the service life of the sealing ring is short, and the labor intensity and the production cost are correspondingly increased.
Disclosure of Invention
A first object of the present utility model is to provide an upper floating seal structure for a tire mold in a vacuum process, which eliminates excessive extrusion of an upper floating ring seal ring during mold closing.
A second object of the present utility model is to provide a vacuum tire mold comprising the above upper floating seal structure.
In order to achieve the above object, the present utility model provides the following technical solutions:
the upper floating ring is connected with the upper plate in a floating way, and the upper sealing ring and the upper plate are sealed by a sealing sleeve; the upper floating ring is provided with a sealing ring; the upper floating ring is provided with a guiding and positioning device; the stop block is arranged on the upper plate or the embedded ring and used for limiting the axial movement of the upper seal ring; the sealing sleeve can seal the inner hole of the upper floating ring and the outer circle of the upper plate, and the sealing sleeve can seal the lower surface of the upper floating ring and the upper surface of the upper plate; the upper floating ring keeps radial movement freedom degree, and the axial movement freedom degree of the upper floating ring is limited to a certain extent; the upper floating ring is provided with guide pieces on the upper part or the lower part of the inner hole, the guide pieces are connected with the inner hole of the embedded ring or the outer circle of the upper plate in a matched manner, the guide pieces are of a whole circle structure or a block structure, the number of the guide pieces is more than or equal to 2, the guide pieces protrude out of the upper floating ring, and the guide pieces are made of copper, alloy, graphite or polytetrafluoroethylene; the outer circle or the inner hole of the upper floating ring is provided with upper floating ring sealing rings, the upper floating ring sealing rings are in one-to-one correspondence with the sealing grooves, the number of the upper floating ring sealing rings is 1-2, the upper floating ring sealing rings are round, square or abnormal, and the upper floating ring can be arranged on the upper plate or on the embedded ring; the stop block is fixedly connected with the upper ring or the insert ring, the stop block is of a whole circle structure, the stop block is of a block structure, and the number of the stop blocks is more than or equal to 2; the insert ring is fixedly connected with the guide ring or the insert ring and the guide ring are integrated.
The excircle of the small end surface of the guide ring is provided with 1-2 sealing grooves; the insert ring and the guide ring are sealed by an insert ring sealing ring; the upper plate is fixedly connected with the upper cover, and the upper plate and the upper cover are sealed by a sealing gasket; the bottom plate is fixedly connected with the lower plate or the bottom plate and the lower plate are integrated.
The inventor finds that the current vacuumizing tire mold is of a fixed structure in terms of sealing and positioning devices, and has an over-positioning phenomenon, so that the sealing ring is excessively worn, and the tire is glued due to over-positioning, thereby influencing the vacuumizing effect of the mold and the service life of the mold.
According to the upper floating sealing structure when the tire mold is vacuumized, the upper floating ring is connected to the upper plate in a floating mode, the upper floating ring and the upper plate are sealed by the sealing sleeve, the movable degree of freedom of the upper floating ring is kept in a working state, the guide piece is arranged on the upper part of the outer circle or the lower part of the inner hole of the upper floating ring and is of a whole circle structure or a block structure, the guide piece contacts the embedded ring or the upper plate before the upper floating ring sealing ring is in contact with the embedded ring or the upper plate, and therefore the upper floating ring sealing ring is uniformly stressed, the upper floating ring sealing ring is protected, the service life of the sealing ring is prolonged, the vacuumizing effect of the mold is guaranteed, the surface quality of the tire is improved, the service life of the mold is prolonged, and the use cost of the mold is reduced.
In combination, the upper floating seal structure of the tire mold during vacuumizing is simple in design and perfect in function, and the phenomenon that the upper floating ring seal ring is crushed in the mold closing process can be well improved, so that the vacuumizing effect and the service life of the mold are guaranteed.
The upper floating seal structure of the utility model when the tire mold is vacuumized comprises:
preferably, the lower plate is fixedly connected with the bottom plate or integrated with the bottom plate, the lower plate and the bottom plate are sealed by a bottom plate sealing ring, and the lower plate or the bottom plate is provided with a sealing groove.
Preferably, the lower ring is fixedly connected with the lower plate and is sealed between the lower plate and the lower plate through a sealing ring.
Preferably, the edges of the sealing rubber sleeve are pressed by a sealing sleeve pressing plate.
Preferably, the diameter of the outer circle of the guide ring near the small end face is larger than the diameter of the rest of the outer circle of the guide ring.
Preferably, the insert ring is fixedly connected with the guide ring or the insert ring and the guide ring are integrated.
Preferably, the upper floating ring and the upper plate are sealed via a sealing sleeve.
Preferably, the upper floating ring is connected with the upper plate in a floating manner.
Preferably, the floating ring is capable of maintaining a radial freedom of movement.
Preferably, a guide is arranged on the upper part of the outer circle or the lower part of the inner hole of the upper floating ring.
Preferably, an upper floating ring sealing ring is arranged on the outer circle or the inner hole of the upper floating ring.
Preferably, the floating seal structure is provided on the upper plate, and may be provided on the insert ring.
Preferably, the insert ring is fixedly connected with the guide ring or the insert ring and the guide ring are integrated.
Preferably, the sealing sleeve seals the inner hole of the upper floating ring and the outer circle of the upper plate.
Preferably, the sealing sleeve seals the lower surface of the upper floating ring and the upper surface of the upper plate.
Preferably, the freedom of axial movement of the floating ring is limited.
Preferably, the guide member is connected with the inner hole of the insert ring or the outer circle of the upper plate in a matching way.
Preferably, the guide is of a full circle construction.
Preferably, the guide member has a block structure, and the number of the guide members is 2 or more.
Preferably, the guide projects beyond the upper float ring.
Preferably, the guide material is copper, an alloy, graphite or polytetrafluoroethylene.
Preferably, an upper floating ring sealing ring is arranged on the outer circle or the inner hole of the upper floating ring.
Preferably, the upper floating ring sealing rings are in one-to-one correspondence with the sealing grooves, and the number of the upper floating ring sealing rings is 1-2.
Preferably, the upper floating ring can be arranged on the upper plate or on the embedded ring.
Preferably, the stop is fixedly connected with the upper ring or the insert ring.
Preferably, the stop is a full circle structure.
Preferably, the stop blocks are of a block structure, and the number of the stop blocks is more than or equal to 2.
Preferably, the insert ring is fixedly connected with the guide ring or the insert ring and the guide ring are integrated.
Preferably, the space between the lower side plate and the bottom plate is sealed by a lower side plate sealing ring.
A vacuum tire mold comprising the sealing and positioning guide mechanism of any one of the above.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
according to the upper floating sealing structure provided by the embodiment of the utility model, when the tire mold is vacuumized, the upper floating ring is in floating connection with the upper plate, and the upper floating ring and the upper plate are sealed by the sealing sleeve; the upper floating ring is provided with an upper floating ring sealing ring; the upper floating ring is provided with a guiding and positioning device; the stop block is arranged on the upper plate or the embedded ring and used for limiting the axial movement of the upper seal ring; the sealing sleeve can seal the inner hole of the upper floating ring and the outer circle of the upper plate, and the sealing sleeve can seal the lower surface of the upper floating ring and the upper surface of the upper plate; the upper floating ring keeps radial movement freedom degree, and the axial movement freedom degree of the upper floating ring is limited to a certain extent; the upper floating ring is provided with guide pieces on the upper part or the lower part of the inner hole, the guide pieces are connected with the inner hole of the embedded ring or the outer circle of the upper plate in a matched manner, the guide pieces are of a whole circle structure or a block structure, the number of the guide pieces is more than or equal to 2, the guide pieces protrude out of the upper floating ring, and the guide pieces are made of copper, alloy, graphite or polytetrafluoroethylene; the outer circle or the inner hole of the upper floating ring is provided with upper floating ring sealing rings, the upper floating ring sealing rings are in one-to-one correspondence with the sealing grooves, the number of the upper floating ring sealing rings is 1-2, the upper floating ring sealing rings are round, square or abnormal, and the upper floating ring can be arranged on the upper plate or on the embedded ring; the stop block is fixedly connected with the upper plate or the insert ring, the stop block is of a whole circle structure, the stop block is of a block structure, and the number of the stop blocks is more than or equal to 2; the insert ring is fixedly connected with the guide ring or the insert ring and the guide ring are integrated. The upper floating ring sealing ring is protected, the service life of the sealing ring is prolonged, the vacuumizing effect of the die is guaranteed, the surface quality of the tire is improved, the service life of the die is prolonged, and the use cost of the die is reduced.
The vacuumizing tire mold provided by the embodiment of the utility model can be obtained by simple modification on the basis of the existing tire mold, so that the cost is saved and the benefit of enterprises is increased.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a floating seal structure at the upper part of a tire mold and a vacuumized tire mold according to an embodiment of the utility model;
FIG. 2 is a first partial schematic view of FIG. 1 at A;
FIG. 3 is a second partial schematic view of FIG. 1 at A;
fig. 4 is a schematic structural diagram of a floating seal structure at the upper part of a tire mold and a vacuumized tire mold according to a second embodiment of the present utility model;
FIG. 5 is a partial schematic view of FIG. 4 at B;
FIG. 6 is a first schematic view of the structure in the M direction in FIG. 1;
FIG. 7 is a second schematic view of the structure in the M direction of FIG. 1;
icon: 1. lower plate 2, bottom plate 3, lower side plate 4, arcuate seat 5, block 6, slide plate 7, lower ring 8, guide ring seal 9, guide ring 10, insert ring seal 11, insert ring 12, guide member 13, upper floating ring seal 15, gland 16, seal cover 17, stop 18, upper plate 19, seal 20, upper cover 21, upper side plate 22, lower side plate seal 23, bottom plate seal 23
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that some, but not all embodiments of the present utility model are described in the embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "disposed," "mated," and the like are to be construed broadly and include, for example, either fixedly attached, removably attached, integrally connected, or mated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
Example 1
Fig. 1 is a schematic diagram of a floating seal structure at an upper part of a tire mold and a vacuumized tire mold according to the embodiment of the present utility model, where the structural device includes:
a lower plate 1;
a bottom plate 2 fixed to the bottom plate 1 and sealed therebetween via a bottom plate seal ring 23, wherein the bottom plate 1 or the bottom plate 2 is provided with a seal groove;
a lower side plate 3 fixedly connected with the bottom plate 2, wherein the lower side plate 3 and the bottom plate 2 are sealed by a lower side plate sealing ring 22;
an arcuate base 4 supported by the base plate 2;
a block 5 fixedly connected to the arcuate seat 4;
a slide plate 6 fixedly connected to the base plate 2;
a lower ring 7 fixedly connected to the lower plate 1;
the guide ring sealing ring 8 is arranged at the small end face of the outer circle of the guide ring 9;
further, the number of the guide ring sealing rings 8 is 1-2;
the insert ring 11 is fixedly connected with the guide ring 9, and the insert ring 11 and the guide ring 9 are sealed through an insert ring sealing ring 10;
the insert ring 11 is matched with the connecting guide piece 12;
a guide member 12 fixedly connected to the upper part of the outer circumference of the upper floating ring 13 or the lower part of the inner hole of the upper floating ring 13;
further, the guide 12 is made of copper, alloy, graphite or polytetrafluoroethylene;
the guiding wear-resistant piece 12 is of a whole circle structure; the guide wear-resistant pieces 12 are of a block structure, and the number of the guide wear-resistant pieces is more than or equal to 2;
an upper plate 18 fixedly connected to an upper cover 20;
a gasket 19 disposed at a junction of the upper plate 18 and the upper cover 20;
the inventor finds that the traditional tire mold has over-positioning phenomenon when being vacuumized and sealed, and the existing tire mold has eccentric movement when being opened and closed due to poor precision of a vulcanizing machine when being vulcanized, so that the upper floating ring sealing ring 14 is crushed, the vacuum pumping effect of the mold is poor, the service life of the sealing ring is short, and the labor intensity and the production cost are correspondingly increased.
In the upper floating seal structure of the tire mold and the vacuumized tire mold structure provided in the embodiment, the upper floating ring 13 is connected with the upper plate 18 in a floating manner, and the upper floating ring 13 and the upper plate 18 are sealed by the sealing sleeve 16; the upper floating ring 13 is provided with an upper floating ring sealing ring 14; the upper floating ring 13 is provided with a guide piece 12; the stop block 17 is arranged on the upper plate 18 or the insert ring 11 and used for limiting the axial movement of the upper seal ring 13; the sealing sleeve 16 can seal the inner hole of the upper floating ring 13 and the outer circle of the upper plate 18, and the sealing sleeve 16 can seal the lower surface of the upper floating ring 13 and the upper surface of the upper plate 18; the upper floating ring 13 keeps radial movement freedom, and the axial movement freedom of the upper floating ring 13 is limited to a certain extent; the upper floating ring 13 is provided with guide pieces 12 on the upper part of the outer circle or the lower part of the inner hole, the guide pieces 12 are connected with the inner hole of the insert ring 11 or the outer circle of the upper plate 18 in a matched manner, the guide pieces 12 are of a whole circle structure or a block structure, the number of the guide pieces 12 is more than or equal to 2, the guide pieces 12 protrude out of the upper floating ring, and the guide pieces 12 are made of copper, alloy, graphite or polytetrafluoroethylene; the outer circle or the inner hole of the upper floating ring 13 is provided with upper floating ring sealing rings 14, the upper floating ring sealing rings 14 are in one-to-one correspondence with the sealing grooves, the upper floating ring sealing rings 14 are round, square or special-shaped, and the upper floating ring 13 can be arranged on the upper plate 18 or the embedded ring 11; the stop blocks 17 are fixedly connected with the upper plate 18 or the insert ring 11, the stop blocks 17 are of a whole circle structure, and the number of the stop blocks is more than or equal to 2; the insert ring 11 is fixedly connected with the guide ring 9 or the insert ring 11 and the guide ring 9 are integrated. The upper floating ring sealing ring is protected, the service life of the sealing ring is prolonged, the vacuumizing effect of the die is guaranteed, the surface quality of the tire is improved, the service life of the die is prolonged, and the use cost of the die is reduced.
In the preferred embodiment of the above floating seal structure of a tire mold and the structure of a vacuum tire mold, the upper plate 18 is screwed to the upper cover 20.
In the preferred embodiment of the floating sealing structure at the upper part of the tire mold and the vacuumized tire mold structure, the lower plate 1 is connected with the bottom plate 2 by bolts.
In the preferred embodiment of the above floating seal structure of a tire mold and the structure of a vacuum-pumping tire mold, the lower plate 1 and the bottom plate 2 are integrated.
In the preferred embodiment of the above floating seal structure of a tire mold and the structure of a vacuum tire mold, the upper plate 18 and the upper cover 20 are integrally formed.
In the preferred embodiment of the above floating seal structure of a tire mold and the vacuumized tire mold structure, the tire mold structure device is a seal structure in a negative pressure state.
In the preferred embodiment of the above-described floating seal arrangement for a tire mold and the vacuum-pumping tire mold arrangement, the guide 12 preferably contacts the insert ring 11 or the upper plate 18.
In an embodiment, the seal is not activated until the mold positioning devices are activated, and the evacuation operation is completed prior to closing the mold in place. The sealing ring can be protected from any abnormal abrasion, and no air pocket can be ensured during vulcanization of the tire. A lower plate 1 is added below the bottom plate 2, and sealing is realized between the two plates through a bottom plate sealing ring 23. The added upper floating ring 13 is arranged on the upper plate 18, and can also be arranged on the embedded ring 11. The freedom of the axial movement of the upper floating ring 13 is limited to a certain extent; the upper floating ring 13 is provided with guide pieces 12 on the upper part of the outer circle or the lower part of the inner hole, the guide pieces 12 are connected with the inner hole of the insert ring 11 or the outer circle of the upper plate 18 in a matched manner, the guide pieces 12 are of a whole circle structure or a block structure, the number of the guide pieces 12 is more than or equal to 2, the guide pieces 12 protrude out of the upper floating ring, and the guide pieces 12 are made of copper, alloy, graphite or polytetrafluoroethylene; the outer circle or the inner hole of the upper floating ring 13 is provided with upper floating ring sealing rings 14, the upper floating ring sealing rings 14 are in one-to-one correspondence with the sealing grooves, the upper floating ring sealing rings 14 are round, square or special-shaped, and the upper floating ring 13 can be arranged on the upper plate 18 or the embedded ring 11; the stop block 17 is fixedly connected with the upper plate 18 or the insert ring 11, the stop block 17 is of a whole circle structure, and the stop block is of a block structure. Each positioning state is advanced, and the sealing ring is protected from any abnormal abrasion. Through each newly added part and sealing piece, the integral sealing of the die cavity can be completely realized, the sealing ring can be protected from any abnormal abrasion, and the sealing of the die in the moving process can be realized.
In the embodiment, the lower mold plate 1 is mounted on a lower hot plate of a vulcanizing machine, the upper plate 18 is mounted on an ejector of the vulcanizing machine, and the insert ring 11 is mounted on an upper hot plate of the vulcanizing machine. The upper hot plate of the vulcanizing machine is lifted to drive the guide ring 9, the arch seat 4, the upper cover 20 and the like to move upwards and then the die is opened, after the alignment position of the green tyre is obtained, the upper hot plate of the vulcanizing machine starts to drive the die to move downwards, when the green tyre moves downwards to the position of the figure 1, each positioning state is advanced, the upper floating ring 13 is also free to align, the guide ring sealing ring 8 and the upper floating ring sealing ring 14 just enter a sealing state, the vacuumizing machine starts to work at the moment, until the air pressure in the cavity reaches minus 0.1Mpa, the upper hot plate continues to move downwards to completely clamp the die, and the tire starts to be vulcanized.
Example two
Fig. 4 is a schematic diagram of a floating seal structure at an upper portion of a tire mold and a vacuumized tire mold according to an embodiment of the present utility model, and fig. 5 is a schematic partial diagram at a position B in fig. 4:
as can be seen from the figure, the sealing and positioning mechanism in this embodiment is substantially the same as that of the first embodiment, except that the insert ring 11 and the guide ring 9 are integrated, and the insert ring seal ring 10 is removed.
The embodiment of the utility model has the same sealing and positioning effects as the first embodiment, reduces the number of the sealing rings, reduces the processing cost, lowers the cost and improves the production efficiency.
Finally, it should be noted that: the described embodiments are intended to be illustrative of only some, but not all, of the embodiments disclosed herein and, based on the embodiments disclosed herein, all other embodiments that may be made by those skilled in the art without the benefit of the teachings herein are intended to be within the scope of this application.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The utility model provides a tire mould upper portion floating seal structure, its inlay ring and upper plate cooperation in order to seal tire mould with the tire mould, its characterized in that:
the upper floating seal structure comprises an upper floating ring;
the upper floating ring and the upper plate are sealed by a sealing sleeve;
the upper floating ring is connected with the upper plate in a floating way;
the upper floating ring can keep radial activity degree of freedom;
the upper floating ring and the upper plate limit the axial freedom degree through a stop block;
a guide piece is arranged on the upper part of the outer circle of the upper floating ring or the lower part of the inner hole;
an upper floating ring sealing ring is arranged on the outer circle or the inner hole of the upper floating ring;
the floating sealing structure is arranged on the upper plate and can also be arranged on the embedded ring;
the insert ring is fixedly connected with the guide ring or the insert ring and the guide ring are integrated.
2. A tire mold upper floating seal structure as in claim 1, wherein:
the upper floating ring is not fixedly connected with the upper plate;
the sealing sleeve can seal an inner hole of the upper floating ring and an outer circle of the upper plate;
the sealing sleeve can seal the lower surface of the upper floating ring and the upper surface of the upper plate.
3. A tire mold upper floating seal structure as in claim 1, wherein:
the upper floating ring keeps radial activity degree of freedom;
the freedom of the axial movement of the upper floating ring is limited to a certain extent.
4. A tire mold upper floating seal structure as in claim 1, wherein:
a guide piece is arranged on the upper part of the outer circle of the upper floating ring or the lower part of the inner hole;
the guide piece is connected with the inner hole of the insert ring or the outer circle of the upper plate in a matched manner;
the guide piece is of a whole circle structure;
the guide pieces are of a block structure, and the number of the guide pieces is more than or equal to 2;
the guide piece protrudes out of the upper floating ring;
the guide piece material is copper, alloy, graphite or polytetrafluoroethylene.
5. A tire mold upper floating seal structure as in claim 1, wherein:
an upper floating ring sealing ring is arranged on the outer circle or the inner hole of the upper floating ring, and the upper floating ring sealing rings are in one-to-one correspondence with the sealing grooves at the positions of 1-2 in number;
the upper floating ring sealing ring is round, square or special-shaped.
6. A tire mold upper floating seal structure as in claim 1, wherein:
the upper floating ring can be arranged on the upper plate or on the embedded ring.
7. A tire mold upper floating seal structure as in claim 1, wherein:
the stop block is fixedly connected with the upper plate or the insert ring;
the stop block is of a whole circle structure;
the stop blocks are of a block structure, and the number of the stop blocks is greater than or equal to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241680.7U CN220638599U (en) | 2023-05-22 | 2023-05-22 | Floating sealing structure at upper part of tire mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241680.7U CN220638599U (en) | 2023-05-22 | 2023-05-22 | Floating sealing structure at upper part of tire mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220638599U true CN220638599U (en) | 2024-03-22 |
Family
ID=90294619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321241680.7U Active CN220638599U (en) | 2023-05-22 | 2023-05-22 | Floating sealing structure at upper part of tire mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220638599U (en) |
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2023
- 2023-05-22 CN CN202321241680.7U patent/CN220638599U/en active Active
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