CN106113333B - A kind of automatic control exhaust apparatus and tire-mold - Google Patents
A kind of automatic control exhaust apparatus and tire-mold Download PDFInfo
- Publication number
- CN106113333B CN106113333B CN201610792004.7A CN201610792004A CN106113333B CN 106113333 B CN106113333 B CN 106113333B CN 201610792004 A CN201610792004 A CN 201610792004A CN 106113333 B CN106113333 B CN 106113333B
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- CN
- China
- Prior art keywords
- mandril
- automatic control
- spring
- exhaust apparatus
- gas vent
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
- B29D2030/0607—Constructional features of the moulds
- B29D2030/0617—Venting devices, e.g. vent plugs or inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention discloses a kind of automatic control exhaust apparatus and tire-molds, it belongs to die venting technical field, including sheath body and mandril, gas vent is equipped in the sheath body, spring is equipped in the gas vent, the spring is by mandril elastic spacing in sheath body, driving device is equipped in the gas vent, the mandril is pushed by driving device, the mandril bottom is equipped with sensor, the driving device drives mandril to be axially moved by the signal of sensor feedback, the mandril is vented by being axially moved to push sizing material and block gas vent, when solving rubber product vulcanization, sizing material enters the glue hair problem and gas vent blockage problem of gas vent generation, further increase the service life of exhaust performance and exhaust apparatus.
Description
Technical field
The present invention relates to die venting technical fields, and in particular to a kind of automatic control exhaust apparatus and tire-mold.
Background technique
In tire vulcanization process, in order to make the air in mold cavity be released out, to keep rubber equal
It is distributed in mold evenly, existing tire-mold offers multiple gas vents on mold cavity, usually using drilling
Processing is to form required gas vent.
Due to also needing to modify the burr of nose end after the completion of drilling operating, mold manufacturing process is increased, is improved
The manufacturing cost of mold；On the other hand, in sulfidation, since the exhaust of tread area is discharged by round stomata
, these stomatas are usually located at mold inner tube of a tyre top surface, and perforation is worn to mold outer surface, in the case where high pressure and high fever,
Unvulcanized raw rubber can be extruded into outside mold tire top chamber, and after air is discharged in mold, rubber is got into the exhaust being drilled with
Glue hair is formed in hole, when tire demoulds, these glue hair a part may break in vent bore, carry out tyre vulcanization again
When, the discharge of type chamber air can be interfered, and then cause rubber that cannot be completely filled with entire mold cavity.
In order to avoid such situation, need from production line to unload tire-mold to clean.General washing and cleaning operation
It is to be drilled out the rubber in each stomata using drill bit, it is very time-consuming, influence production efficiency；On the tire vulcanizated, big portion
Point glue hair is stood on demoulding on tire, to remove glue hair, and has to set special messenger and relevant device is trimmed, not only shadow
The presentation quality of tire is rung, and wastes sizing material, increases production cost.
Occurring the mechanical exhaust of some uses currently on the market, batching out unit is not fitted into gas vent, one at gas vent
As be equipped with elastic central spindle, gas vent is blocked by the mandrel, due to being generally set to inverted cone at the top of mandrel, can not be kept away
Exempt to have dispensing entrance, and the mechanical structure, as long-time uses, mandrel elasticity can also change, and once go out
The now mechanical exhaust not batching out unit failure, will be unable to the processing of discovery at once, influences final tire appearance.
Summary of the invention
For problem in the prior art, a kind of automatic control exhaust apparatus and tire-mold provided by the invention solve rubber system
When product vulcanize, sizing material enters the glue hair problem and gas vent blockage problem of gas vent generation, further increases exhaust performance and row
The service life of device of air.
To achieve the goals above, The technical solution adopted by the invention is as follows: a kind of automatic control exhaust apparatus, including sheath body and
Mandril, the sheath body is interior to be equipped with gas vent, is equipped with spring in the gas vent, the spring is by mandril elastic spacing in sheath body
It is interior, driving device is equipped in the gas vent, the mandril is pushed by driving device, and the mandril bottom is equipped with sensor, institute
It states driving device and drives mandril to be axially moved by the signal of sensor feedback, the mandril pushes sizing material simultaneously by being axially moved
Block gas vent exhaust.
The gas vent is set as stepped hole as a preferred technical solution, and described gas vent one end is set as air inlet, described
Air inlet and mandril sealing cooperate.
The air inlet is set as cylindrical hole either round platform hole as a preferred technical solution, cooperates with the air inlet
Mandril end be set to cylindrical body either round estrade.
Discharge chamber, the exhaust are set as with the air inlet connectivity part in the gas vent as a preferred technical solution,
Chamber diameter is greater than the diameter of mandril in the discharge chamber.
The discharge chamber other end is equipped with spring cavity as a preferred technical solution, between the spring cavity and discharge chamber
Equipped with spring retainer platform, the diameter of through-hole is greater than the diameter of the mandril cooperated with through-hole at the spring retainer platform.
The Ith spring is equipped in the spring cavity as a preferred technical solution, to be set on mandril, the Ith spring
Maximum gauge is less than the diameter of spring cavity, and the mandril is equipped with Step Shaft, and the Ith spring is fastened on Step Shaft and spring retainer
Between platform.
The spring cavity other end is equipped with driving chamber as a preferred technical solution, between the driving chamber and spring cavity
Equipped with driving limiting stand, the diameter of the driving chamber is greater than the diameter of Step Shaft.
The driving device is set as electromagnetic drive as a preferred technical solution, is fixed with electromagnetic wire in the driving chamber
Circle is equipped with insulating layer between the electromagnetic coil and sheath body.
The gas vent other end is equipped with baffle as a preferred technical solution, and the baffle is equipped with the IIth spring, institute
It states the IIth spring to be fastened between baffle and mandril bottom, the sensor is set as control contact, and the control contact is by the IIth
Spring force is from a distance.
The control contact is connected with control route, the control route other end connection as a preferred technical solution,
There is controller, solenoid circuit is equipped between the controller and electromagnetic coil.
The mandril bottom is equipped with felt pad as a preferred technical solution, and the control contact is mounted on felt pad,
The baffle is also set as insulation barrier, and the baffle bottom is limited equipped with circlip.
Radially open up exhaust eye in the discharge chamber at mandril as a preferred technical solution, the mandril inside is axial
Exhaust eye is opened up, the baffle bottom opens up exhaust eye, is vented between eye and communicates composition exhaust duct.
A kind of automatic control exhaust tire mold, including such as above-mentioned automatic control exhaust apparatus, pattern block and side plate, the pattern block
With exhaust passage is equipped in side plate, be fixedly connected with above-mentioned automatic control exhaust apparatus in the exhaust passage.
The sheath body is fixed in the exhaust passage of mold as a preferred technical solution, sheath body top and mould inside
Cavity surface is concordant, concordant with sheath body top and mould inside cavity surface at the top of mandril when the axially extended air inlet of the mandril.
The automatic control exhaust apparatus is mounted in pattern block and side plate before exhaust passage as a preferred technical solution,
Portion.
The invention has the beneficial effect that
1. the device realizes exhaust controllability by electromagnetic coil and control contact, judgement, which is worked as, has sizing material to enter air inlet
Electromagnetic coil drives mandril that sizing material is released air inlet afterwards, avoids sizing material and enters in air inlet, from without glue hair
Phenomenon, exhaust apparatus exempt from blocking, it is free of cleaning, extend the service life of the device.
2. contacting exhaust condition and contact by utilizing the Ith spring and the IIth spring and reaching balance, until sizing material is oppressed
Stress balance is broken mandril for rapid feedback.
3. realizing the self-feedback of information, exhaust process precision and efficiency are greatly improved.
4. protected around electromagnetic coil and around control contact using insulating materials, ensure that electromagnetic transfer and
Control effect.
5. the device is applicable not only to surface of tyre vulcanization, all rubber molds are applied also for, it is applied widely.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of automatic control exhaust apparatus；
Fig. 2 is a kind of structural schematic diagram of the tape controller of automatic control exhaust tire mold；
Fig. 3 is a kind of automatic control exhaust tire mold gases discharge process schematic diagram；
Fig. 4 is a kind of partial cut-away structural schematic diagram of automatic control exhaust tire mold；
Fig. 5 is enlarged diagram at a kind of partial cut-away structure one of automatic control exhaust tire mold.
In figure: 1- sheath body, 2- mandril, the Ith spring of 3-, 4- electromagnetic coil, 5- insulating layer, 6- magnet, 7- Step Shaft, 8- bullet
Property retaining ring, 9- baffle, 10- solenoid circuit, 11- control route, 12- control contact, the IIth spring of 13-, 14- felt pad, 15- drive
Dynamic chamber, 16- driving limiting stand, 17- spring cavity, 18- spring retainer platform, 19- are vented eye, 20- discharge chamber, 21- air inlet, 22-
Cavity surface, 23- controller, 24- exhaust passage, 25- pattern block, 26- side plate.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
As shown in Figure 1, a kind of automatic control exhaust apparatus, including sheath body 1 and mandril 2, the sheath body 1 is interior to be equipped with gas vent, institute
It states and is equipped with spring in gas vent, 2 elastic spacing of mandril in sheath body 1, is equipped with driving device by the spring in the gas vent,
The mandril 2 is pushed by driving device, and 2 bottom of mandril is equipped with sensor, and mandril 2 will receive glue in tire vulcanization process
The extruding of material, the driving device drive mandril 2 to be axially moved by the signal of sensor feedback, and the mandril 2 passes through axial direction
Movement blocks gas vent exhaust, and sizing material is released gas vent, realizes exhaust controllability.
The gas vent is set as stepped hole, and described gas vent one end is set as air inlet 21, the air inlet 21 and the top
The sealing cooperation of bar 2.Further, the air inlet 21 is set as cylindrical hole either round platform hole, the top with the air inlet 21 cooperation
2 end of bar, which is set to cylindrical body either round estrade, the structure, ensure that the sealing effect of sulfidation.
Discharge chamber 20 is set as in the gas vent with 21 connectivity part of air inlet, 20 diameter of discharge chamber is greater than described
The diameter of mandril 2 in discharge chamber 20.
20 other end of discharge chamber is equipped with spring cavity 17, and spring retainer is equipped between the spring cavity 17 and discharge chamber 20
Platform 18, the diameter of through-hole is greater than the diameter of the mandril 2 cooperated with through-hole at the spring retainer platform 18, sets in the spring cavity 17
There is the Ith spring 3 to be set on mandril 2, the maximum gauge of the Ith spring 3 is less than the diameter of spring cavity 17, and the mandril 2 is set
Have Step Shaft 7, the Ith spring 3 is fastened between Step Shaft 7 and spring retainer platform 18, the elasticity of the Ith spring 3 ensure that into
Stomata 21 is in the open state.
17 other end of spring cavity is equipped with driving chamber 15, and driving limit is equipped between the driving chamber 15 and spring cavity 17
Platform 16, the diameter of the driving chamber 15 are greater than the diameter of Step Shaft 7, and the driving device is set as electromagnetic drive, the driving chamber
It is fixed with electromagnetic coil 4 in 15, insulating layer 5 is equipped between the electromagnetic coil 4 and sheath body 1,7 outer ring of Step Shaft is equipped with magnetic
Iron 6, magnet 6 can reinforce electromagnetic force, and 4 surrounding of electromagnetic coil is protected using insulating materials, ensure that electromagnetic transfer and control
Effect processed.
The gas vent other end is equipped with baffle 9, and the baffle 9 is equipped with the IIth spring 13, the IIth spring 13 card
It is located between 2 bottom of baffle 9 and mandril, the sensor is set as control contact 12, and the control contact 12 is by the IIth spring 13
From a distance, the elasticity of the Ith spring 3 and the IIth spring 13 ensure that mandril 2 is in the state of opposite stress balance to elastic force,
Once having been broken balance by external force, the control contact 12 of 2 bottom of mandril is touched, electromagnetic coil 4 will be powered.
As shown in Fig. 2, the control contact 12 is connected with control route 11,11 other end of control route is connected with control
Device 23 processed, is equipped with solenoid circuit 10 between the controller 23 and electromagnetic coil 4, controller 23 both may be mounted at exhaust passage
It is interior, the controller 23 of the exhaust apparatus in all exhaust passages can also be integrated, be uniformly controlled processing.
2 bottom of mandril is equipped with felt pad 14, and the control contact 12 is mounted on felt pad 14, the baffle 9
It is set as insulation barrier, 9 bottom of baffle is limited equipped with circlip 8, and it controls and is all protected using insulating materials around contact 12,
It ensure that the accuracy of signal at control contact 12.
Exhaust eye 19 is radially opened up in the discharge chamber 20 at mandril 2,2 inside of mandril is axial to open up exhaust eye 19,
9 bottom of baffle opens up exhaust eye 19, is vented between eye 19 and communicates composition exhaust duct.
As shown in Figure 4, Figure 5, a kind of automatic control exhaust tire mold, including such as above-mentioned automatic control exhaust apparatus, pattern block 25
With side plate 26, it is equipped with exhaust passage 24 in the pattern block 25 and side plate 26, is fixedly connected in the exhaust passage 24 above-mentioned
Automatic control exhaust apparatus.
The sheath body 1 is fixed in the exhaust passage 24 of mold, 1 top, institute concordant with mould inside cavity surface 22 of sheath body
When stating 2 axially extended air inlet 21 of mandril, 2 top of mandril is concordant with 1 top of sheath body and mould inside cavity surface 22.
The automatic control exhaust apparatus is mounted on the front of exhaust passage 24 in pattern block 25 and side plate 26.
Specific steps of exhausting:
In sulfidation, sizing material can slowly enter in air inlet 21 fetus, and will push mandril 2 and move down,
Break the stress balance that the Ith spring 3 and the IIth spring 13 are constituted, makes the control on the control contact 12 and baffle 9 of 2 bottom of mandril
Contact 12 contacts, and for this signal through the control feedback of route 11 into controller 23, controller 23 gives electromagnetism by solenoid circuit 10
Coil 4 is powered, and driving mandril 2 moves up, and the Ith spring 3 is compressed, and the IIth spring 13 is stretched, and will enter in air inlet 21
Sizing material release, being always maintained at tyre vulcanization terminates, and controller 23 is powered off to electromagnetic coil 4, effect of the revocation to mandril 2
Power comes back to force balance state in the Ith spring 3 and 13 elastic reaction lower push rod 2 of the IIth spring.
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit protection model of the invention
It encloses.In addition, it should also be understood that, after reading the technical contents of the present invention, those skilled in the art can be the present invention respectively
Kind change, modification and/or variation, all these equivalent forms equally fall within guarantor defined by the application the appended claims
Within the scope of shield.
Claims (15)
1. a kind of automatic control exhaust apparatus, it is characterised in that: including sheath body and mandril, gas vent, the row are equipped in the sheath body
Spring is equipped in stomata, mandril elastic spacing in sheath body, is equipped with driving device, the top by the spring in the gas vent
Bar is pushed by driving device, and the mandril bottom is equipped with sensor, and the sensor has been capable of detecting whether that rubber enters exhaust
Hole squeezes and mandril is driven to move down, and the driving device drives mandril to be axially moved by the signal of sensor feedback, institute
Mandril to be stated to be vented by being axially moved to push sizing material and block gas vent, the automatic control exhaust apparatus is set in rubber mold,
It can be realized the exhaust in the sulfidation of rubber product.
2. a kind of automatic control exhaust apparatus according to claim 1, it is characterised in that: the gas vent is set as stepped hole, institute
It states gas vent one end and is set as air inlet, the air inlet and mandril sealing cooperate.
3. a kind of automatic control exhaust apparatus according to claim 2, it is characterised in that: the air inlet be set as cylindrical hole or
It is round platform hole, is set to cylindrical body either round estrade with the mandril end of air inlet cooperation.
4. a kind of automatic control exhaust apparatus according to claim 2, it is characterised in that: in the gas vent with the air inlet
Connectivity part is set as discharge chamber, and the discharge chamber diameter is greater than the diameter of mandril in the discharge chamber.
5. a kind of automatic control exhaust apparatus according to claim 4, it is characterised in that: the discharge chamber other end is equipped with spring
Chamber is equipped with spring retainer platform between the spring cavity and discharge chamber, the diameter of through-hole is greater than and through-hole at the spring retainer platform
The diameter of the mandril of cooperation.
6. a kind of automatic control exhaust apparatus according to claim 5, it is characterised in that: be equipped with the Ith spring in the spring cavity
And be set on mandril, the maximum gauge of the Ith spring is less than the diameter of spring cavity, and the mandril is equipped with Step Shaft, described
Ith spring is fastened between Step Shaft and spring retainer platform.
7. a kind of automatic control exhaust apparatus according to claim 5, it is characterised in that: the spring cavity other end is equipped with driving
Chamber, is equipped with driving limiting stand between the driving chamber and spring cavity, the diameter of the driving chamber is greater than the diameter of Step Shaft.
8. a kind of automatic control exhaust apparatus according to claim 7, it is characterised in that: the driving device is set as electromagnetism drive
It is dynamic, it is fixed with electromagnetic coil in the driving chamber, insulating layer is equipped between the electromagnetic coil and sheath body.
9. a kind of automatic control exhaust apparatus according to claim 4, it is characterised in that: the gas vent other end is equipped with gear
Plate, the baffle are equipped with the IIth spring, and the IIth spring is fastened between baffle and mandril bottom, and the sensor is set as
Control contact, the control contact by the IIth spring force from a distance.
10. a kind of automatic control exhaust apparatus according to claim 9, it is characterised in that: the control contact is connected with control
Route, the control route other end are connected with controller, and solenoid circuit is equipped between the controller and electromagnetic coil.
11. a kind of automatic control exhaust apparatus according to claim 9, it is characterised in that: the mandril bottom is equipped with felt pad,
The control contact is mounted on felt pad, and the baffle is also set as insulation barrier, and the baffle bottom is limited equipped with circlip
Position.
12. a kind of automatic control exhaust apparatus according to claim 9, it is characterised in that: radial at mandril in the discharge chamber
Exhaust eye is opened up, exhaust eye is axially opened up inside the mandril, the baffle bottom opens up exhaust eye, is vented between eye and communicates structure
At exhaust duct.
13. a kind of automatic control exhaust tire mold, it is characterised in that: including the automatic control as described in claim 1 to 12 any one
It is equipped with exhaust passage in exhaust apparatus, pattern block and side plate, the pattern block and side plate, is fixedly connected in the exhaust passage
The automatic control exhaust apparatus stated.
14. a kind of automatic control exhaust tire mold according to claim 13, it is characterised in that: the sheath body is fixed on mold
Exhaust passage in, it is concordant with mould inside cavity surface at the top of sheath body, when the axially extended air inlet of the mandril, at the top of mandril and
At the top of sheath body and mould inside cavity surface is concordant.
15. a kind of automatic control exhaust tire mold according to claim 13, it is characterised in that: the automatic control exhaust apparatus peace
The front of exhaust passage in pattern block and side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792004.7A CN106113333B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic control exhaust apparatus and tire-mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792004.7A CN106113333B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic control exhaust apparatus and tire-mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106113333A CN106113333A (en) | 2016-11-16 |
| CN106113333B true CN106113333B (en) | 2019-02-22 |
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ID=57270997
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610792004.7A Active CN106113333B (en) | 2016-08-31 | 2016-08-31 | A kind of automatic control exhaust apparatus and tire-mold |
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| CN (1) | CN106113333B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247007B (en) * | 2018-01-24 | 2020-07-03 | 重庆百吉四兴压铸有限公司 | Sprocket chamber cover machining process |
| CN115488319B (en) * | 2022-11-18 | 2023-04-21 | 燕山大学 | Exhaust mechanism of aluminum alloy hub low-pressure casting die |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7481637B2 (en) * | 2004-05-12 | 2009-01-27 | Woodbridge Foam Corporation | Vented mold and method for producing molded article |
| JP6055710B2 (en) * | 2013-04-02 | 2016-12-27 | 日立マクセル株式会社 | Vent-up detection mechanism, vent-up prevention device, molded body manufacturing method, and molded body molding apparatus |
| CN203286078U (en) * | 2013-06-06 | 2013-11-13 | 王菲 | Pore-free vent valve in tire mold |
| CN206344343U (en) * | 2016-08-31 | 2017-07-21 | 山东豪迈机械科技股份有限公司 | A kind of automatic control exhaust apparatus and tire-mold |
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- 2016-08-31 CN CN201610792004.7A patent/CN106113333B/en active Active
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| Publication number | Publication date |
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| CN106113333A (en) | 2016-11-16 |
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