CN109940794A - A kind of exhaust apparatus and tire-mold - Google Patents
A kind of exhaust apparatus and tire-mold Download PDFInfo
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- CN109940794A CN109940794A CN201910362671.5A CN201910362671A CN109940794A CN 109940794 A CN109940794 A CN 109940794A CN 201910362671 A CN201910362671 A CN 201910362671A CN 109940794 A CN109940794 A CN 109940794A
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- locating part
- sheath body
- mandrel
- exhaust apparatus
- limit mechanism
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- 238000000926 separation method Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 26
- 239000000463 material Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 239000003292 glue Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
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- 238000004378 air conditioning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005486 sulfidation Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The present invention relates to tire manufacturing techniques fields, it is intended to improve the problem that exhaust apparatus dismounting is inconvenient in the prior art, provide a kind of exhaust apparatus and tire-mold.The exhaust apparatus that the embodiment of the present invention provides has inlet end and exhaust end comprising sheath body, mandrel and position-limit mechanism.Inner hole is offered in sheath body, mandrel is arranged in inner hole, and exhaust passage is formed between sheath body.Position-limit mechanism is arranged on sheath body, and limiting slot is provided on mandrel, and when position-limit mechanism is in the first preset state, position-limit mechanism is embedded in limiting slot, for limiting mandrel in the movement in the direction from exhaust end towards inlet end;When position-limit mechanism is in the second preset state, position-limit mechanism is separated with limiting slot, and the position-limiting action of position-limit mechanism disappears, so that mandrel be enable smoothly to be detached from or be fitted into sheath body from sheath body, realizes the dismounting of exhaust apparatus, convenient for disassembly and assembly.
Description
Technical field
The present invention relates to tire manufacturing techniques fields, in particular to a kind of exhaust apparatus and tire-mold.
Background technique
Exhaust apparatus is widely used in production and living, such as in the manufacturing process of tire or air conditioning for automobiles etc.
Product is medium.
At present to the production process of tire approximately as: by the rubber material of fluid or semi-fluid condition inject tire-mold
In, then rubber material realizes that fetus forms in tire-mold by a series of technique.After fetus molding, need
Vulcanizing treatment is carried out to the fetus of tire.In sulfidation processes, the air in the inner cavity by tire-mold is needed to be discharged.Mesh
The method of air in preceding common discharge tire-mold inner cavity is to open up gas vent exhaust, or carry out by setting exhaust apparatus
Exhaust.However if be vented by gas vent, the problem of glue hair is formed in green tyres after curing, existing exhaust are deposited
It is not easily taken out and is cleared up after device installation, tire-mold can be caused if repeatedly taking out exhaust apparatus from tire-mold
Damage increases use cost.
Summary of the invention
The purpose of the present invention includes providing a kind of exhaust apparatus, with improve exhaust apparatus in the prior art dismounting it is inconvenient,
The problem of easily causing damage.
The purpose of the present invention further includes providing a kind of tire-mold, which includes above-mentioned exhaust apparatus.
The embodiment of the present invention is achieved in that
A kind of exhaust apparatus, exhaust apparatus have inlet end and exhaust end comprising sheath body;Inner hole is offered in sheath body;
Mandrel in inner hole is set, exhaust passage is formed between mandrel and sheath body;Mandrel is slideably matched with inner hole
It closes, so that exhaust passage opens or closes;And
It is set to the position-limit mechanism of sheath body;Limiting slot is provided on mandrel;When position-limit mechanism is in the first preset state,
Position-limit mechanism is embedded in limiting slot, for limiting movement of the mandrel on the direction from exhaust end towards inlet end;Work as position-limit mechanism
When in the second preset state, position-limit mechanism is separated with limiting slot, so that mandrel can be detached from or be fitted into sheath body from sheath body.
In one embodiment of the invention:
Above-mentioned position-limit mechanism includes locating part and elastic component;When position-limit mechanism is in the first preset state, locating part
It is embedded in limiting slot, locating part is located at the first predeterminated position;When position-limit mechanism is in the second preset state, locating part and limit
Slot separation, locating part are located at the second predeterminated position;One end of elastic component is connect with locating part, so that locating part has from second in advance
If the trend that position is moved to the first predeterminated position;
Preferably, when locating part is located at the first predeterminated position, locating part be embedded in the size in limiting slot be 0.01~
0.1mm;
More preferably, when locating part is located at the first predeterminated position, locating part be embedded in limiting slot in size be 0.03~
0.05mm;
Preferably, elastic component is spring;
Preferably, elastic component is in the raw when locating part is located at the first predeterminated position;And/or exhaust apparatus is also
Including limiting section, when locating part is located at the first predeterminated position, locating part is abutted with limiting section, so that between locating part and mandrel
There is no the effect of radial force.
In one embodiment of the invention:
Above-mentioned position-limit mechanism further includes the fixing piece being fixedly connected with sheath body, elastic component one end and fixation far from locating part
Part connection;
Preferably, fixing piece is threadedly connected to sheath body.
In one embodiment of the invention:
Above-mentioned exhaust apparatus includes at least two position-limit mechanisms;
Preferably, at least two position-limit mechanisms are uniformly arranged along the circumferential direction of sheath body.
In one embodiment of the invention:
Above-mentioned elastic component is the claw for being set to sheath body, and one end of locating part is connect with claw, and elasticity can occur for claw
Deformation, so that locating part has the trend moved from the second predeterminated position to the first predeterminated position.
In one embodiment of the invention:
Above-mentioned position-limit mechanism further includes interconnecting piece, and claw is fixedly connected on interconnecting piece;Claw be fastened on the periphery of sheath body and
It is connect with locating part;
Preferably, position-limit mechanism includes at least two claws, at least two claws are uniformly arranged along the circumferential direction of sheath body;
Preferably, claw is gradually to contract along the direction for being gradually distance from interconnecting piece.
In one embodiment of the invention:
Above-mentioned locating part is backing pin, and resistance surface is arranged far from one end of elastic component in backing pin, and resistance surface with mandrel for abutting;
Preferably, resistance surface is on the direction for be gradually distance from elastic component gradually to contract;
More preferably, resistance surface is arc surface, inclined-plane or circular conical surface;
Alternatively, locating part is block bead.
In one embodiment of the invention:
The mounting hole radially extended along sheath body is offered on above-mentioned sheath body, locating part is slidably disposed on mounting hole
In;
Preferably, limiting section is the limiting stand being arranged in mounting hole.
In one embodiment of the invention:
Above-mentioned mandrel includes spindle nose and axis body interconnected, and limiting slot is provided with the one end of axis body far from spindle nose, limit
Slot has mating surface far from the side of spindle nose, cooperates and gradually expands outwardly on the direction far from spindle nose;
Axis body is provided with guide surface far from one end of spindle nose, and guide surface is on the direction far from spindle nose gradually to contract;
Preferably, mating surface is arc surface, inclined-plane or circular conical surface;Guide surface is arc surface, inclined-plane or circular conical surface.
A kind of tire-mold, including any one of the above exhaust apparatus.
The beneficial effect of the embodiment of the present invention includes:
The exhaust apparatus that the embodiment of the present invention provides, has inlet end and exhaust end comprising sheath body, mandrel and limit
Position mechanism.Inner hole is offered in sheath body, mandrel is arranged in inner hole, and exhaust passage is formed between sheath body.Simultaneously mandrel with it is interior
Hole slidably engages, so that exhaust passage be made to open or close.Position-limit mechanism setting is provided with limit on sheath body, on mandrel
Slot, when position-limit mechanism is in the first preset state, position-limit mechanism is embedded in limiting slot, for limiting mandrel from exhaust end court
Movement on the direction of inlet end;When position-limit mechanism is in the second preset state, position-limit mechanism is separated with limiting slot, position restrainer
The position-limiting action of structure disappears, so that mandrel be enable smoothly to be detached from or be fitted into sheath body from sheath body, realizes tearing open for exhaust apparatus
Dress, it is convenient for disassembly and assembly.The cleaning to sheath body inside or exhaust apparatus mounting hole can be realized by dismantling mandrel simultaneously, avoid and tear open
Damage of the encapsulation shell to tire-mold, to reduce production cost.
The tire-mold that the embodiment of the present invention provides including above-mentioned exhaust apparatus, therefore also has convenient for disassembly and assembly, clear
Reason is convenient, the beneficial effect for avoiding tire-mold damage, reducing production cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram of the section structure for the exhaust apparatus that the embodiment of the present invention 1 provides;
Structural schematic diagram when exhaust passage is closed in the exhaust apparatus that Fig. 2 provides for the embodiment of the present invention 1;
Fig. 3 is the partial structurtes enlarged diagram in Fig. 1 at III;
It ties part when position-limit mechanism is in the second preset state in the exhaust apparatus that Fig. 4 provides for the embodiment of the present invention 1
Structure schematic diagram;
The partial structural diagram of another position-limit mechanism in the exhaust apparatus that Fig. 5 provides for the embodiment of the present invention 1;
The partial structural diagram of the third position-limit mechanism in the exhaust apparatus that Fig. 6 provides for the embodiment of the present invention 1;
The partial structural diagram of 4th kind of position-limit mechanism in the exhaust apparatus that Fig. 7 provides for the embodiment of the present invention 1;
The structural schematic diagram of sheath body in the exhaust apparatus that Fig. 8 provides for the embodiment of the present invention 1;
Fig. 9 is the schematic diagram of the section structure for the exhaust apparatus that the embodiment of the present invention 2 provides;
Figure 10 is the partial structurtes enlarged diagram in Fig. 9 at Ⅹ;
The partial structural diagram of position-limit mechanism in the exhaust apparatus that Figure 11 provides for the embodiment of the present invention 2;
Figure 12 is the partial structural diagram for the exhaust apparatus that the embodiment of the present invention 2 provides;
The partial structural diagram of another position-limit mechanism in the exhaust apparatus that Figure 13 provides for the embodiment of the present invention 2;
The partial structural diagram of the third position-limit mechanism in the exhaust apparatus that Figure 14 provides for the embodiment of the present invention 2;
Figure 15 is the schematic diagram of the section structure for the exhaust apparatus that the embodiment of the present invention 3 provides;
The structural schematic diagram of snap ring in the exhaust apparatus that Figure 16 provides for the embodiment of the present invention 3.
Icon: 010- exhaust apparatus;100- sheath body;111- receiving hole;112- limit hole;113- confined planes;120- is abutted
Portion;130- mounting hole;131- limiting section;140- mounting groove;The first elastic component of 200-;300- mandrel;310- spindle nose;320- axis
Body;321- shaft shoulder portion;322- guide surface;330- limiting slot;331- mating surface;400- position-limit mechanism;410- locating part;411- is supported
Contacting surface;The second elastic component of 420-;430- fixing piece;441- interconnecting piece;442- claw;443- gas vent;450- snap ring;In 451-
Recess portion.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it should be noted that term " first ", " second " etc. are only used for distinguishing and retouch
It states, is not understood to indicate or imply relative importance.
In the description of the embodiment of the present invention, it should be noted that term " connection " shall be understood in a broad sense, for example, can be with
It is to be fixedly connected, is also possible to be flexibly connected or abut, can be and be directly connected to, be also possible to through the indirect phase of intermediary
Even.
In the description of the embodiment of the present invention, it should be noted that the position-limiting action of position-limit mechanism, which refers to, at least partly to be limited
Mechanism is embedded in generated clamping limit in limiting slot, does not include abutting the resistance such as frictional force generated with mandrel due to position-limit mechanism
Power effect.
Embodiment 1
Fig. 1 is the schematic diagram of the section structure of exhaust apparatus 010 provided in this embodiment.Fig. 1 is please referred to, the present embodiment provides
A kind of exhaust apparatus 010, has inlet end and exhaust end comprising sheath body 100, mandrel 300 and a position-limit mechanism 400.Set
Inner hole is offered in shell 100, mandrel 300 is arranged in inner hole, forms exhaust passage between sheath body 100.Simultaneously mandrel 300 with
Inner hole slidably engages, so that exhaust passage be made to open or close.Position-limit mechanism 400 is arranged on sheath body 100, mandrel 300
On be provided with limiting slot 330, when position-limit mechanism 400 is in the first preset state, position-limit mechanism 400 be embedded in limiting slot 330 in,
For limiting movement of the mandrel 300 on the direction from exhaust end towards inlet end;When position-limit mechanism 400 is in the second preset state
When, position-limit mechanism 400 is separated with limiting slot 330, and the position-limiting action of position-limit mechanism 400 disappears, to keep mandrel 300 smooth
It is detached from or is fitted into sheath body 100 from sheath body 100, realize the dismounting of exhaust apparatus 010, it is convenient for disassembly and assembly.Simultaneously by individually tearing open
Unloading mandrel 300 can be realized the damage that dismounting sheath body 100 is avoided to the cleaning inside sheath body 100 to tire-mold, to drop
Low production cost.
Exhaust apparatus 010 provided in this embodiment is further described below:
Fig. 2 is structural schematic diagram when exhaust passage is closed in exhaust apparatus 010 provided in this embodiment.Incorporated by reference to reference
Fig. 1 and Fig. 2, in the present embodiment, the substantially cylindrical bodily form of sheath body 100 inside offer inner hole, and inner hole and sheath body 100 are coaxial
Setting, and run through sheath body 100.The substantially cylindrical bodily form of mandrel 300 is arranged in inner hole, and outside inner hole peripheral wall and mandrel 300
There are gaps between wall surface, so that exhaust passage is formed between mandrel 300 and sheath body 100, the both ends and the external world of exhaust passage
Connection, the inlet end and exhaust end of exhaust apparatus 010 are respectively the position where the both ends of exhaust passage.Vulcanize in tire-mold
During tire, the gas in mold cavity is discharged after the entrance of the inlet end of exhaust passage from exhaust end.
Further, mandrel 300 includes spindle nose 310 interconnected and axis body 320, and spindle nose 310 is located at inlet end.Spindle nose
310 full-size is slightly larger than the radial dimension of inner hole, since mandrel 300 slidably cooperates with inner hole, when mandrel 300 slides
When being resisted against the position of 100 one end of sheath body to spindle nose 310, exhaust passage is closed (as shown in Figure 2) by spindle nose 310, tire-mold
The intracavitary sizing material of type will not enter exhaust passage, so that the tire after vulcanization be prevented the problem of glue hair occur.When mandrel 300 is sliding
Dynamic when separating spindle nose 310 with sheath body 100, mold cavity is in communication with the outside by exhaust passage unlatching, the gas in mold cavity
(as shown in Figure 1) is discharged by exhaust passage.
Further, sheath body 100 is provided with abutting part 120, the shape and spindle nose of abutting part 120 in the position of inlet end
310 match, and guarantee there is good airtight performance, spindle nose 310 and abutting part when spindle nose 310 is resisted against at abutting part 120
Gap is not present between 120, exhaust passage is closed.Preferably, the shape of spindle nose 310 is along the first preset direction radial dimension
The truncated cone being gradually increased, the first preset direction are the direction that inlet end is directed toward from exhaust end, and abutting part 120 is to be arranged outside
Cover the conical surface of inner hole one end.It should be understood that in other embodiments, spindle nose specifically can also be arranged according to the demand of user
310 and abutting part 120 shape, such as set spindle nose 310 to the shape of the frustum of a pyramids such as triangular pyramid, rectangular pyramid, while will support
The shape of socket part 120 is configured according to spindle nose 310, and meeting can will be vented when spindle nose 310 is fitted close with abutting part 120
The inlet end in channel is closed.
Further, elastic component is provided between mandrel 300 and sheath body 100, in the present embodiment, which is first
The both ends of elastic component 200, the first elastic component 200 are abutted with mandrel 300 and sheath body 100 respectively, have mandrel 300 pre- along first
The trend of set direction sliding.When exhaust apparatus 010 is not by external force, work of the mandrel 300 by the elastic force of the first elastic component 200
With, so that exhaust passage is in the state opened, at this point, position-limit mechanism 400 be in the first preset state, the insertion of position-limit mechanism 400
In limiting slot 330, movement of the mandrel 300 on the direction from exhaust end towards inlet end is limited, to prevent mandrel 300 in elasticity
It is further moved along the first preset direction under the action of power and is even detached from sheath body 100;In the use process of exhaust apparatus 010,
Opposite direction of the mandrel 300 due to the extruding by sizing material in mold cavity along the first preset direction moves, thus by exhaust passage
It closes, prevents part sizing material from entering exhaust passage, forming glue hair.
Further, the first elastic component 200 is the spring being set in outside mandrel 300, and spring is accommodated in inner hole.At this
In embodiment, inner hole includes the receiving hole 111 being mutually communicated and limit hole 112, and receiving hole 111 is located at sheath body 100 close to air inlet
The position at end, limit hole 112 is located at sheath body 100 close to the position of exhaust end, and the radial dimension of receiving hole 111 is greater than limit hole
112, to form confined planes 113 between receiving hole 111 and limit hole 112, confined planes 113 are the bottom hole of receiving hole 111.
One end of spindle nose 310 is provided with shaft shoulder portion 321 in axis body 320, the both ends of spring are connected to confined planes 113 and the shaft shoulder respectively
In portion 321.When exhaust apparatus 010 is not by external force, spring is in compressive state or nature, at this time spindle nose 310 with
Abutting part 120 separates, and exhaust passage is in the open state;When mandrel 300 slides into spindle nose 310 and abutting part under external force
120 closely abut position when, exhaust passage close, at this time the distance between confined planes 113 and shaft shoulder portion 321 reduction, spring
It is compressed, the spring force for the spring that mandrel 300 is subject to makes mandrel 300 have the trend along the sliding of the first preset direction.Preferably,
Confined planes 113 and shaft shoulder portion 321 are used to be set as the conical surface with the spring place of abutting.
It, can be with it should be noted that in the present embodiment, the both ends of spring are connected to confined planes 113 and shaft shoulder portion 321 respectively
Understand, in other specific embodiments, confined planes 113, the both ends difference of spring only can also be set according to the demand of user
It is connected on confined planes 113 and spindle nose 310, or limited block is set on axis body 320, the both ends of spring are connected to limit respectively
On face 113 and limited block, the elastic force slided along the first preset direction can be applied to mandrel 300.
Fig. 3 is the partial structurtes enlarged diagram in Fig. 1 at III, and Fig. 4 is to limit in exhaust apparatus 010 provided in this embodiment
Position mechanism 400 is in partial structural diagram when the second preset state.Incorporated by reference to reference Fig. 3 and Fig. 4, in the present embodiment,
It is located at one end of exhaust end, i.e. one end far from spindle nose 310 on axis body 320, is provided with limiting slot 330, limiting slot 330 is axis body
320 outer peripheral surface is recessed the endless groove of formation radially inward.By limiting slot 330 be set as annular groove make it is easier for installation,
It should be understood that in other embodiments, the week along axis body 320 can also be set by limiting slot 330 according to the demand of user
To the arc groove of extension or hole shape slot etc..
Exhaust apparatus 010 further includes the position-limit mechanism 400 being arranged on sheath body 100.When position-limit mechanism 400 is in first in advance
If when state, locating dimension l is less than the radial dimension of axis body 320, position-limit mechanism 400 is embedded in limiting slot 330 at this time, to mandrel
300 are limited, prevent mandrel 300 under the action of elastic force further along the first preset direction move even with sheath body 100
It is detached from (as shown in Figure 3);Mandrel 300 can be mobile relative to the position-limit mechanism 400 in insertion limiting slot 330 simultaneously, limiting slot 330
The range that mandrel 300 moves when being or be in the first preset state greater than position-limit mechanism 400 along axial size, mandrel 300
Movement so that exhaust passage opens or closes.When position-limit mechanism 400 is in the second preset state, locating dimension l is equal to core
The radial dimension of axis 300, position-limit mechanism 400 and limiting slot 330 are detached from, and the position-limiting action of position-limit mechanism 400 disappears, mandrel 300
Can be free to slide in inner hole, so that mandrel 300 be enable smoothly to be fitted into sheath body 100 or be split out from sheath body 100 (as schemed
Shown in 4).
Specifically, position-limit mechanism 400 includes locating part 410 and elastic component, locating part 410 is slideably matched with sheath body 100
It closes, when position-limit mechanism 400 is in the first preset state, locating part 410 is in the first predeterminated position, and locating part 410 is embedding at this time
Enter in limiting slot 330, position-limit mechanism 400 plays position-limiting action;When position-limit mechanism 400 is in the second preset state, locating part
410 are in the second predeterminated position, and locating part 410 is detached from limiting slot 330 at this time, and mandrel 300 can be free to slide in inner hole.At this
In embodiment, which is the second elastic component 420.One end of second elastic component 420 is connect with locating part 410, position-limit mechanism
400 further include fixing piece 430, and fixing piece 430 is fixedly installed on sheath body 100, and the setting of fixing piece 430 is remote in the second elastic component 420
The both ends of one end from locating part 410, the second elastic component 420 are connect with fixing piece 430 and locating part 410 respectively, optionally, the
The both ends of two elastic components 420 are abutted with fixing piece 430 and locating part 410 respectively.The elastic force that second elastic component 420 provides makes to limit
Position part 410 has the trend moved from the second predeterminated position to the first predeterminated position, i.e., so that locating part 410 has far from fixed
The trend of part 430 to realize the limit to mandrel 300, while helping to realize the being dismounted for multiple times of mandrel 300.
Further, locating part 410 is backing pin, and one end of backing pin is connect with the second elastic component 420, and the other end can extend into
In limiting slot 330, be provided with resistance surface 411, resistance surface 411 is used to contradict with mandrel 300, when mandrel 300 be subject to it is outer
When power is sufficiently large, backing pin overcomes the elastic force of the second elastic component 420, from the first default position under the conflict power effect of mandrel 300
It sets to the second predeterminated position and slides, i.e., along the radially outward sliding of sheath body 100, locating dimension l increases.The resistance surface 411 of backing pin
Gradually to contract on the direction for being directed away from fixing piece 430, in the present embodiment, the resistance surface 411 of backing pin is circular conical surface,
Cone angle alpha is preferably 40 ° -60 ° so that locating part can be realized the limit to mandrel 300, mandrel being dismounted for multiple times, and core
It is smaller that axis 300 dismounts resistance, it is possible to understand that, in other specific embodiments, resistance surface 411 can also be set according to demand
It is set to arc surface or inclined-plane etc..
Further, pass through mating surface between side of the limiting slot 330 far from spindle nose side and the outer peripheral surface of axis body 320
331 connections, mating surface 331 gradually expand outwardly on the direction far from spindle nose, so pass through resistance surface 411 and the mating surface
331 conflict is able to drive backing pin and smoothly slides from the first predeterminated position to the second predeterminated position, so that locating part can be realized
Limit to mandrel 300, mandrel being dismounted for multiple times, and mandrel 300 dismount resistance it is smaller.In the present embodiment, mating surface 331
For arc surface, it is possible to understand that, in other embodiments, circular conical surface can also be set by mating surface 331 according to demand,
Cone angle beta (angle of circular conical surface and its axis) is preferably 40 ° -60 °.
Further, it is provided with guide surface 322 between end face and outer peripheral surface of the axis body 320 far from 310 one end of spindle nose, be oriented to
Face 322 is gradually to contract on the direction far from spindle nose, i.e., along the first preset direction, the radial dimension of guide surface 322 is gradually
Increase.During installing mandrel 300, the guide surface 322 and resistance surface 411 are contradicted, and are able to drive backing pin smoothly along from the
One predeterminated position is directed toward the direction movement of the second predeterminated position, and finally moves to the second predeterminated position, guarantees that mandrel 300 is smooth
It is packed into sheath body 100, and the installation resistance of mandrel 300 is smaller.In the present embodiment, guide surface 322 is circular conical surface, it is possible to understand that
, in other embodiments, arc surface or inclined-plane etc. can also be set by guide surface 322 according to demand.
It should be noted that in the present embodiment, locating part 410 is backing pin, it is possible to understand that, in other specific embodiments
In, it can also according to the demand of user, the specific structure that locating part 410 is set, such as block bead is set (such as locating part 410
Shown in Fig. 5).
The dismounting of mandrel 300 and sheath body 100 is more convenient, resistance is smaller in order to make under the premise of meeting limit and requiring,
Further, when locating part 410 is in the first predeterminated position, locating part 410 be embedded in limiting slot 330 in size be 0.01~
0.1mm.Preferably, when locating part 410 is in the first predeterminated position, the size that locating part 410 is embedded in limiting slot 330 is
0.03~0.05mm.
In order to make in the use process of exhaust apparatus 010, mandrel 300 can be slided more swimmingly with respect to sheath body 100,
To realize opening or closing for exhaust passage, further, when position-limit mechanism 400 is in the first preset state, i.e. locating part
410 be in the first predeterminated position when, the second elastic component 420 in the raw, does not have between locating part 410 and mandrel 300 at this time
There is radial force, it should be noted that the direction of the radial force is the radial direction of mandrel 300.It should be understood that in other implementations
In example, the locating part 410 when position-limit mechanism 400 is in the first preset state can also be realized using other modes according to demand
There is no radial force to act on this purpose between mandrel 300, such as locating part 410 limited by the way that limiting section 131 is arranged,
Specifically, please referring to Fig. 6 or Fig. 7, limiting section is used as close to one end of 100 axis of sheath body setting limiting stand etc. in mounting hole 130
131 pairs of locating parts 410 limit, and limiting stand can be for the convex block or bulge loop on 130 inner wall of mounting hole or in mounting hole 130
The path section of one end, locating part 410 are pushed against on limiting stand under the action of the second elastic component 420, and locating part 410 is at this time
First predeterminated position, locating part 410 is protruded into far from one end of the second elastic component 420 to be applied in limiting slot 330 and not to mandrel 300
Radial force.
Further, the mounting hole 130 radially extended along sheath body 100 is offered on sheath body 100, mounting hole 130
Both ends are connected to extraneous and limit hole 112 respectively, and position-limit mechanism 400 is arranged in mounting hole 130, and locating part 410 being capable of edge
Mounting hole 130 slides, and protrudes into limit hole 112 from one end of mounting hole 130.Preferably, fixing piece 430 is fixed pin, thereon
It is provided with screw thread, one end that mounting hole 130 is in communication with the outside is provided with screw thread, and such fixing piece 430 is fixedly connected by being spirally connected
On sheath body 100.Being fixedly connected for fixing piece 430 and sheath body 100 is realized by the way of being spirally connected, and not only makes fixing piece 430
It is easy for installation, and by screwing fixed pin, the second elastic component 420 when can be in the first preset state to position-limit mechanism 400
Decrement and/or locating part 410 be embedded in the length of limiting slot 330 and be adjusted, and then regulation position limiting mechanism 400 is to mandrel
The size of 300 limit power guarantees to keep mandrel 300 and the dismounting of sheath body 100 more square under the premise of meeting limit requirement
Just, resistance is smaller.It should be understood that in other embodiments, can also be fixedly connected using other modes through fixing piece 430
On sheath body 100, such as pin joint etc..Preferably, the second elastic component 420 is spring.
It should be noted that in the present embodiment, fixing piece 430 is fixedly connected by being spirally connected with sheath body 100, it is possible to understand that
, in other embodiments, the connection relationship of fixing piece 430 Yu sheath body 100, such as welding, edge can also be set according to demand
It is embedding etc..
It should be noted that in the present embodiment, the mounting hole 130 for accommodating position-limit mechanism 400 is offered on sheath body 100, it can
With understanding, in other specific embodiments, the connection type of position-limit mechanism 400 Yu sheath body 100 can also be set according to demand,
Such as sliding slot is set close to the position of exhaust end in sheath body 100, the sliding block being in sliding fit with the sliding chute is set on locating part 410,
Realize the slidable connection of locating part 410 and sheath body 100.
Fig. 8 is the structural schematic diagram of sheath body 100 in exhaust apparatus 010 provided in this embodiment.Incorporated by reference to referring to Fig.1 and figure
8, further, exhaust apparatus 010 includes at least two position-limit mechanisms 400, it is preferred that the quantity of position-limit mechanism 400 is 2~3
It is a.In the present embodiment, the quantity of position-limit mechanism 400 is two, opens up that there are two mounting holes 130 on sheath body 100, it is preferred that
Two mounting holes 130 are uniformly arranged along the circumferential direction of sheath body 100, i.e. angle between two mounting holes 130 is 180 °, two after installation
A position-limit mechanism 400 is oppositely arranged, and in the present embodiment, locating dimension l is the spacing between two position-limit mechanisms 400.
It, can be with it should be noted that do not limit the particular number of position-limit mechanism 400 in exhaust apparatus 010 herein
Understand, in other embodiments, the quantity of position-limit mechanism 400 can also be specifically set according to demand, such as by position-limit mechanism
400 quantity is set as 1 or 3 etc..At this point, locating dimension l is the end that locating part 410 protrudes into one end in limit hole 112
The distance between 112 hole wall of limit hole, i.e. the radial dimension of limit hole 112 subtracts locating part 410 and protrudes into limit hole 112
Size obtain apart from size.
Position-limit mechanism 400 is first mounted on sheath body 100 by the exhaust apparatus 010 provided in the embodiment of the present invention, when assembly
On, one end that limiting slot 330 is arranged in mandrel 300 is fitted into the inner hole of sheath body 100 by inlet end, when the guiding of 320 end of axis body
After face 322 is abutted with locating part 410, locating part 410 radially slides under the action of the conflict power of mandrel 300, and second
Elastic component 420 is compressed, and locating dimension increases, until when locating part 410 is connected to the outer peripheral surface of axis body 320, locating part 410
In the second predeterminated position;Mandrel 300 continues to slide along the opposite direction of the first preset direction, when limiting slot 330 slides into and limits
When part 410 is opposite, the conflict power that mandrel 300 is supplied to locating part 410 disappears, elasticity of the locating part 410 in the second elastic component 420
It slides, is embedded in limiting slot 330, exhaust apparatus 010 is installed from the second predeterminated position to the first predeterminated position under the action of power
At the external force for pushing mandrel 300 to slide along the opposite direction of the first preset direction disappears, limit of the mandrel 300 in position-limit mechanism 400
It can not move along the first preset direction under effect and be even detached from sheath body 100.
When disassembly, mandrel 300 is abutted by exhaust end using tools such as jumper bars, mandrel 300 is applied along the first preset direction
The axial force of sliding, the mating surface 331 of limiting slot 330 are abutted with the resistance surface 411 of locating part 410, and locating part 410 is in mandrel
It is moved radially outwards under 300 conflict power effect, locating dimension increases, until locating part 410 is connected to the periphery of mandrel 300
Face, the position-limiting action of position-limit mechanism 400 disappears at this time, and locating part 410 is located at the second predeterminated position, and it is straight that mandrel 300 continues sliding
It is detached to mandrel 300 and locating part 410, and is further detached from sheath body 100, the disassembly of exhaust apparatus 010 finishes.
The exhaust apparatus 010 that the embodiment of the present invention provides, so that the tire after vulcanization is without glue hair, mandrel 300 and sheath body
It is not damaged in 100 disassembly process, being dismounted for multiple times can be carried out, and convenient to disassembly, thus in use can be by tearing open
Lower mandrel 300 clears up the impurity (such as sizing material) inside sheath body 100 and exhaust apparatus mounting hole, without by sheath body 100 from
It is removed on mold, therefore avoid the exhaust apparatus mounting hole on mold makes what aperture became larger to ask because loading and unloading exhaust apparatus 010
Topic reduces the cost for developing the exhaust apparatus 010 of size fit again.
Embodiment 2
Fig. 9 is the schematic diagram of the section structure of exhaust apparatus 010 provided in this embodiment, and Figure 10 is the part in Fig. 9 at Ⅹ
Structure enlargement diagram.Incorporated by reference to referring to Fig. 9 and Figure 10, the present embodiment also provides a kind of exhaust apparatus 010, with embodiment
1 is essentially identical, and something in common is not repeated to describe, the difference is that the structure of position-limit mechanism 400 is different.
Figure 11 is the partial structural diagram of position-limit mechanism 400 in exhaust apparatus 010 provided in this embodiment.Incorporated by reference to ginseng
According to Figure 10 and Figure 11, specifically, in the present embodiment, the elastic component of position-limit mechanism 400 is the claw 442 for being set to sheath body, card
One end of pawl 442 is connect with locating part 410, and optionally, one end of claw 442 is abutted with locating part 410, to pass through claw
442 flexible deformation makes locating part 410 have the trend slided from the second predeterminated position to the first predeterminated position.Preferably, it limits
Position mechanism includes at least two claws 442, and at least two claws 442 are uniformly arranged along the circumferential direction of sheath body.Preferably, claw 442
Material be spring steel.
It should be noted that in the present embodiment, claw 442 is pressed against locating part 410, to be abutted with locating part 410, pacify
Limiting section 131 (as shown in figure 12) can be set in hole 130 in dress, it is possible to understand that, it in other embodiments, can also be according to need
It asks, using other connection types, such as be integrally formed or weld etc..
Further, position-limit mechanism 400 further includes interconnecting piece 441, the generally circular sheet of interconnecting piece 441, in this implementation
In example, four claws 442 are uniformly arranged along the circumferential direction of interconnecting piece 441, and four claws 442 are fastened on 100 periphery of sheath body.Locating part
410 be backing pin, and two backing pins are respectively slidably arranged in two mounting holes 130, and the one end of backing pin far from resistance surface 411
It is connected on claw 442, claw 442 makes backing pin have from the second predeterminated position to what the first predeterminated position slided with elasticity
Gesture.It should be understood that in other embodiments, block bead (as shown in figure 13) can also be set by locating part 410 according to demand.
It should be understood that in other embodiments, claw 442 can be directly connected with sheath body 100 with one end, the other end and locating part 410
Connection, claw 442 is along moving closer to the direction of locating part 410 gradually to contract (as shown in figure 14).
It should be noted that do not limit the quantity of claw 442 herein, it is possible to understand that, in other embodiments,
The quantity of claw 442, such as 2,3 etc. can also be specifically set according to demand.The quantity of locating part 410 can also root simultaneously
It is configured according to the demand of user, it is preferred that the quantity of locating part 410 is 2~3.
Further, along the direction for being gradually distance from interconnecting piece 441, claw 442 is gradually to contract, i.e. claw 442 and company
The distance between the axis of socket part 441 is gradually reduced.Preferably, the exhaust end of sheath body 100 is set as along the first preset direction
The taper that opposite direction radial dimension is gradually increased connects more steady when four claws 442 are folded in the exhaust end of sheath body 100
It is fixed, it prevents from being detached from sheath body 100, while claw 442 is easier to that flexible deformation occurs, locating part 410 can more preferably limit mandrel 300
Position.
Further, the gas vent 443 being connected to exhaust passage is offered on interconnecting piece 441.By the way that gas vent 443 is arranged
The exhaust efficiency of exhaust apparatus 010 can be effectively improved.
The exhaust apparatus 010 provided in the embodiment of the present invention, when dismounting mandrel 300, locating part 410 can be along sheath body
100 radial directions move between the first predeterminated position and the second predeterminated position, and flexible deformation occurs for claw 442 at this time, and claw 442 is arranged
One end radial dilatation of finite place piece 410 or contraction.
Embodiment 3
Figure 15 is the schematic diagram of the section structure of exhaust apparatus 010 provided in this embodiment, and Figure 16 is provided in this embodiment
The structural schematic diagram of snap ring in exhaust apparatus 010.Incorporated by reference to referring to Fig.1 5 and 16, the present embodiment also provides a kind of exhaust apparatus
010, substantially the same manner as Example 1, something in common is not repeated to describe, the difference is that the structure of position-limit mechanism 400 is not
Together.
In the present embodiment, position-limit mechanism 400 is snap ring 450, and snap ring 450 has elasticity, and elastic shape can occurs in its own
Become.It is provided at least one inner fovea part 451 on snap ring 450, offers the limit for being caught in sheath body 100 for inner fovea part 451 on sheath body 100
Through slot in the hole 112 of position plays limit so that the inner fovea part 451 of snap ring 450 be enable to be embedded in the limiting slot 330 of mandrel 300
Effect, therefore the locating part 410 in the present embodiment is inner fovea part 451.Further, it offers on sheath body 100 for installation card
The mounting groove 140 of ring 450, through slot are provided in mounting groove 140.Guide surface is arranged close to exhaust end in sheath body 100, in order to snap ring
Installation, optionally, guide surface is circular conical surface.Preferably, the material of snap ring 450 is spring steel.Preferably, snap ring 450 has
Multiple inner fovea parts 451, optionally, the quantity of inner fovea part 451 are 2-3.
Present embodiments provide a kind of tire-mold (not shown go out) comprising die ontology and any one of the above row
Device of air 010.At least one exhaust apparatus mounting hole is offered on die ontology, exhaust apparatus 010 is mounted on exhaust apparatus peace
It fills in hole.Since the tire-mold includes above-mentioned exhaust apparatus 010, also has the tire after vulcanizing without glue hair, is convenient for
The low beneficial effect of cleaning, use cost.
It should be noted that in the present embodiment, exhaust apparatus 010, can be with for the exhaust in tire-mold sulfidation
Understand, in other embodiments, above-mentioned exhaust apparatus 010 can also be used for by other products according to user demand, such as
Air conditioning for automobiles.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of exhaust apparatus, the exhaust apparatus has inlet end and exhaust end characterized by comprising
Sheath body;Inner hole is offered in the sheath body;
Mandrel in the inner hole is set, is formed with exhaust passage between the mandrel and the sheath body;The mandrel and institute
It states inner hole to slidably engage, so that the exhaust passage opens or closes;And
It is set to the position-limit mechanism of the sheath body;Limiting slot is provided on the mandrel;When the position-limit mechanism is in first in advance
If the position-limit mechanism is embedded in the limiting slot when state, for limit the mandrel from the exhaust end towards it is described into
Movement on the direction at gas end;When the position-limit mechanism is in the second preset state, the position-limit mechanism and the limiting slot
Separation, so that the mandrel can be detached from or be fitted into the sheath body from the sheath body.
2. exhaust apparatus according to claim 1, it is characterised in that:
The position-limit mechanism includes locating part and elastic component;When the position-limit mechanism is in first preset state, institute
It states locating part to be embedded in the limiting slot, the locating part is located at the first predeterminated position;When the position-limit mechanism is in described the
When two preset states, the locating part is separated with the limiting slot, and the locating part is located at the second predeterminated position;The elastic component
One end connect with the locating part so that the locating part has from second predeterminated position to first predeterminated position
The trend of movement;
Preferably, the locating part is embedded in the ruler in the limiting slot when the locating part is located at first predeterminated position
Very little is 0.01~0.1mm;
More preferably, when the locating part is located at first predeterminated position, the locating part is embedded in the ruler in the limiting slot
Very little is 0.03~0.05mm;
Preferably, the elastic component is spring;
Preferably, the elastic component is in the raw when the locating part is located at first predeterminated position;And/or institute
Stating exhaust apparatus further includes limiting section, when the locating part is located at first predeterminated position, the locating part and the limit
Position portion abuts, so as to not have the effect of radial force between the locating part and the mandrel.
3. exhaust apparatus according to claim 2, it is characterised in that:
The position-limit mechanism further includes the fixing piece being fixedly connected with the sheath body, the elastic component far from the locating part one
End is connect with the fixing piece;
Preferably, the fixing piece is threadedly connected to the sheath body.
4. exhaust apparatus according to claim 2, it is characterised in that:
The exhaust apparatus includes at least two position-limit mechanisms;
Preferably, at least two position-limit mechanisms are uniformly arranged along the circumferential direction of the sheath body.
5. exhaust apparatus according to claim 2, it is characterised in that:
The elastic component is the claw for being set to the sheath body;One end of the locating part is connect with the claw, and the card
Flexible deformation can occur for pawl, move so that the locating part has from second predeterminated position to first predeterminated position
Trend.
6. exhaust apparatus according to claim 5, it is characterised in that:
The position-limit mechanism further includes interconnecting piece, and the claw is fixedly connected on the interconnecting piece;The claw is fastened on described
It the periphery of sheath body and is connect with the locating part;
Preferably, the position-limit mechanism includes at least two claws, at least two claws are along the circumferential uniform of the sheath body
Setting;
Preferably, the claw is gradually to contract along the direction for being gradually distance from the interconnecting piece.
7. according to the described in any item exhaust apparatus of claim 2-6, it is characterised in that:
The locating part be backing pin, the backing pin far from the elastic component one end be arranged resistance surface, the resistance surface be used for
The mandrel abuts;
Preferably, the resistance surface is on the direction for being gradually distance from the elastic component gradually to contract;
More preferably, the resistance surface is arc surface, inclined-plane or circular conical surface;
Alternatively, the locating part is block bead.
8. according to the described in any item exhaust apparatus of claim 2-6, it is characterised in that:
The mounting hole radially extended along the sheath body is offered on the sheath body, the locating part is slidably disposed on described
In mounting hole;
Preferably, the limiting section is the limiting stand being arranged in the mounting hole.
9. exhaust apparatus according to claim 1, it is characterised in that:
The mandrel includes spindle nose and axis body interconnected, and the limiting slot is provided with one of the axis body far from the spindle nose
End, the limiting slot far from the spindle nose side have mating surface, the mating surface far from the spindle nose direction on by
Gradually expand outwardly;
The axis body is provided with guide surface far from one end of the spindle nose, the guide surface on the direction far from the spindle nose by
Gradually to contract;
Preferably, the mating surface is arc surface, inclined-plane or circular conical surface;The guide surface is arc surface, inclined-plane or circular conical surface.
10. a kind of tire-mold, it is characterised in that:
The tire-mold includes such as the described in any item exhaust apparatus of claim 1-9.
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CN201910362671.5A CN109940794A (en) | 2019-04-30 | 2019-04-30 | A kind of exhaust apparatus and tire-mold |
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CN201910362671.5A CN109940794A (en) | 2019-04-30 | 2019-04-30 | A kind of exhaust apparatus and tire-mold |
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CN1154291A (en) * | 1995-11-20 | 1997-07-16 | 大陆公开股份有限公司 | Tire vulcanization mold with venting capability |
JP2006103026A (en) * | 2004-10-01 | 2006-04-20 | Yokohama Rubber Co Ltd:The | Tire mold, plug used in vent hole of tire mold and tire manufactured using tire mold |
CN203272927U (en) * | 2013-05-07 | 2013-11-06 | 杭州迈轮模具有限公司 | Outlet valve of tire die |
CN204823512U (en) * | 2015-08-06 | 2015-12-02 | 宁德时代新能源科技有限公司 | Fixed position rotation mechanism |
CN205604921U (en) * | 2016-04-15 | 2016-09-28 | 广东工业大学 | Adjustable door -inhale |
JP2017013312A (en) * | 2015-06-30 | 2017-01-19 | 横浜ゴム株式会社 | Spring vent unit and tire vulcanization molding mold using the same |
CN209937441U (en) * | 2019-04-30 | 2020-01-14 | 山东豪迈机械科技股份有限公司 | Exhaust device and tire mold |
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2019
- 2019-04-30 CN CN201910362671.5A patent/CN109940794A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1154291A (en) * | 1995-11-20 | 1997-07-16 | 大陆公开股份有限公司 | Tire vulcanization mold with venting capability |
JP2006103026A (en) * | 2004-10-01 | 2006-04-20 | Yokohama Rubber Co Ltd:The | Tire mold, plug used in vent hole of tire mold and tire manufactured using tire mold |
CN203272927U (en) * | 2013-05-07 | 2013-11-06 | 杭州迈轮模具有限公司 | Outlet valve of tire die |
JP2017013312A (en) * | 2015-06-30 | 2017-01-19 | 横浜ゴム株式会社 | Spring vent unit and tire vulcanization molding mold using the same |
CN204823512U (en) * | 2015-08-06 | 2015-12-02 | 宁德时代新能源科技有限公司 | Fixed position rotation mechanism |
CN205604921U (en) * | 2016-04-15 | 2016-09-28 | 广东工业大学 | Adjustable door -inhale |
CN209937441U (en) * | 2019-04-30 | 2020-01-14 | 山东豪迈机械科技股份有限公司 | Exhaust device and tire mold |
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