CN208629760U - A kind of cover board and its driving belt vulcanization plant for sealing vulcanization plant - Google Patents
A kind of cover board and its driving belt vulcanization plant for sealing vulcanization plant Download PDFInfo
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- CN208629760U CN208629760U CN201820912427.2U CN201820912427U CN208629760U CN 208629760 U CN208629760 U CN 208629760U CN 201820912427 U CN201820912427 U CN 201820912427U CN 208629760 U CN208629760 U CN 208629760U
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Abstract
The cover board and its driving belt vulcanization plant that the utility model discloses a kind of for sealing vulcanization plant, belong to transmission belt vulcanizing technical field.Gas passage is provided in the cover board of the utility model, the air inlet of gas passage is set to the circumference of cover board；The gas vent of gas passage is set to the middle part of cover board, and air inlet is connected through gas passage with gas vent；The circumference of cover board offers the exhaust trench of annular, which is arranged along the circumferencial direction of side；Vulcanization plant includes rigid internal model, which is used to support vulcanization made-up belt；Band tooth gum cover, this is set in the outside of rigid internal model with tooth gum cover, and the end with tooth gum cover medial surface is provided with inside smooth section；Cover board, the periphery of cover board are matched with the inside smooth section with tooth gum cover.Gas passage is provided in the cover board of the utility model, the air inlet of gas passage is set to the circumference of cover board, so that entering gas passage through air inlet from the gas that cover board circumference is leak into.
Description
Technical field
The utility model relates to transmission belt vulcanizing technical fields, more specifically to one kind for sealing vulcanization plant
Cover board and its driving belt vulcanization plant.
Background technique
As components important in mechanical transmission fields, oneself is widely used in automobile, motorcycle etc. to V-type transmission belt.V
The production method of type transmission belt is divided to positive formation and two kinds of reverse-forming.The wherein method of positive formation are as follows: select circle of the surface with flute profile
Internal model of the cylindricality punching block as formed product, belt parison is sleeved in internal model, loads onto gum cover in the outer cover of belt parison,
Then at the both ends of gum cover, installation upper cover plate is sealed, and is put into thereafter in vulcanization cylinder and is carried out differential pressure curing, and in the outer of gum cover
Portion forms external pressure, internal pressure is formed in gum cover internal model, rubber at high temperatures and pressures, forms tooth form because of viscosity flow and crosslinks
Vulcanization is completed in reaction, is hung out, is demoulded again after the completion of vulcanization, cutting and obtain finished product transmission belt.The wherein method of reverse-forming are as follows: select
The smooth cylinder-shaped steel in surface touches the internal model as formed product, and belt parison is sleeved in internal model, in the outer of belt parison
Portion is set with upper gum cover, is provided with flute profile on the inside of gum cover, and then at the both ends of gum cover, installation upper cover plate is sealed, and is put into thereafter
Vulcanize and carry out differential pressure curing in cylinder, and form external pressure in the external of gum cover, forms internal pressure in the internal model of gum cover, rubber is in high temperature
Under pressure, tooth form is formed because of viscosity flow and cross-linking reaction occurs and completes vulcanization, hangs out, demould again, cutting after the completion of vulcanization
To finished product transmission belt.
Three-decker can be divided by vulcanizing in cylinder in conveyer belt production sulfidation, respectively internal model, by fibers material
The shaping tape and outer layer for constituting framework material cotton rope are gum cover, and the end of gum cover is respectively arranged with cover board, and cover board is to gum cover
End be sealed.Gum cover has the effect that one, under the action of gum cover lock ring in sulfidation, makes rubber layer
In certain one side or two-sided generation tooth form；Secondly, pressurization when, internal model and vulcanization cylinder between play sealing function, make vulcanize cylinder
Interior pressure is greater than the pressure in gum cover, to complete vulcanization reaction.During adhesive tape vulcanizing reaction, gum cover and vulcanization
Pressure difference between cylinder will directly affect the vulcanized quality of transmission belt, so if gum cover sealing is improper, will directly affect transmission
The vulcanized quality of band.But the gum cover both ends of existing vulcanization plant are difficult to be fully sealed, and because seal it is unreliable caused by product
Quality problems.The sealing of gum cover is in the following manner: the height of gum cover first is greater than the height of mold, and cover board is pressed in glue
It puts on and gum cover is made to be that the position of cover board contact deforms, sealed between gum cover and cover board by deformation, due to glue
Height compression contraction distortion is covered, the upper and lower ends of rubber layer adjacent with it is caused also to deform therewith, and the band cut out at deformation is
Scratch tape.Again since the upper and lower ends of gum cover compresss repeatedly, are deformed, the sealing effect variation at final both ends.Especially reverse-forming
Method, so that the end of gum cover is difficult to effectively seal with cover board, causes the vulcanized quality of transmission belt to become due to the inside flute profile of gum cover
Difference.
For vulcanized rubber belt process, the prior art has relevant technological improvement, such as: the title of innovation and creation are as follows: pass
Dynamic band gum cover for vulcanizing (application number: CN200910064967.5；The applying date: 2009-05-21) gum cover be it is one barrel-shaped, upper and lower two
End opens, it is characterised in that circle sealing lip is respectively arranged in both ends of the surface, barrel-shaped gum cover both ends sealing lip is formed with gum cover wall
Angle, the length of barrel-shaped gum cover both ends sealing lip are greater than the thickness of gum cover, and barrel-shaped gum cover both ends sealing lip section is by thickness
It is gradually thin.The sealing lip section is triangle.The technology reduces what gum cover was generated by height compression in use
Contraction distortion increases the effective cutting width of rubber layer, and sealing lip section configuration is gradually thin by thickness, covers cushion rubber and was vulcanizing
The sealing speed of mold upper and lower cover plates is accelerated in journey, improves sealing performance.
In addition, the title of innovation and creation are as follows: reverse-forming sulfuration method for sealed type tooth-shaped edge V tape of rubber lagging (application number:
CN200610119474.3；The applying date: 2006-12-12), made-up belt is first made in internal model by reverse-forming method, it then will be in middle part
The cylinder-shaped gum cover that surface is with teeth, both ends inner surface is smooth is fastened after being mounted on gum cover seat with shroud ring, places them into vulcanization
In tank, then made-up belt hung in gum cover, the lid of top cover and vulcanizing tank, external pressure and interior is finally successively opened according to custom requirements
Pressure steam is vulcanized, and successively demoulds and cut made-up belt circle after made-up belt is sulfided into outer surface having the made-up belt cylinder of longitudinal rack
Cylinder, obtains more tooth-shaped edge V tapes；The utility model solves the sealing problem at gum cover both ends, eliminates product blistering layering
Defect improves the quality of product.
Therefore, it is badly in need of improving the sealing effect during transmission belt vulcanizing, and then improves the vulcanization effect of transmission belt；It avoids
Vulcanized quality is caused to be deteriorated because sealing effect is too poor.
Utility model content
1. utility model technical problems to be solved
The purpose of the utility model is to overcome in the prior art, transmission belt is during vulcanization, because of poor sealing effect
And make the deficiency of transmission belt deterioration, a kind of cover board for sealing vulcanization plant and its driving belt vulcanization dress are provided
It sets, in which:
Offer it is a kind of for sealing the cover board of vulcanization plant, gas passage, the air inlet of gas passage are provided in cover board
Hole is set to the circumference of cover board, so that entering gas passage through air inlet from the gas that cover board circumference is leak into, avoids gas
Because poor sealing effect enters between gum cover and internal model, to improve the vulcanization effect of transmission belt；
A kind of driving belt vulcanization plant provided, with the gas warp leak between tooth gum cover and cover board by poor sealing
Air inlet enters gas passage, to improve the vulcanization effect of transmission belt.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
The utility model it is a kind of for sealing the cover board of vulcanization plant, gas passage, gas passage are provided in cover board
Air inlet be set to the circumference of cover board；The gas vent of gas passage is set to the middle part of cover board, and air inlet is through gas passage
It is connected with gas vent.
Preferably, the circumference of cover board offer annular exhaust trench, the exhaust trench along side circumferencial direction
Setting, exhaust trench are connected with air inlet.
Preferably, air inlet is set in exhaust trench；Or/and air inlet is set to the cover board week of circumference on side.
Preferably, the distance between air inlet and cover board medial surface are D1, then D1> 0, between air inlet and cover board lateral surface
Distance be D2, then D2> 0.
Preferably, the sectional area of the groove slot bottom of exhaust trench is greater than the sectional area of groove notch.
A kind of driving belt vulcanization plant of the utility model, including rigid internal model, the rigidity internal model are used to support vulcanization
Made-up belt；Band tooth gum cover, this is set in the outside of rigid internal model with tooth gum cover, and the end with tooth gum cover medial surface is provided with inside light
Sliding section；Cover board, the cover board be above-mentioned cover board, cover board week side matched with the inside smooth section with tooth gum cover.
Preferably, the middle inside with tooth gum cover is provided with band tooth medial surface, and in height and rigidity with tooth medial surface
The height of mould is identical.
Preferably, cover board includes upper cover plate and lower cover plate, and upper cover plate is matched with the inside smooth section with tooth gum cover upper end；
Lower cover plate is matched with the inside smooth section with tooth gum cover lower end.
Preferably, cover board includes the gas vent of upper cover plate and lower cover plate towards mould inside.
Preferably, interior pressure control pipe is provided in rigid internal model, interior pressure control pipe is for controlling in rigid internal model
Gas pressure.
3. beneficial effect
Using technical solution provided by the utility model, compared with existing well-known technique, there is following remarkable result:
(1) the utility model is a kind of for sealing the cover board of vulcanization plant, gas passage is provided in cover board, gas is logical
The air inlet in road is set to the circumference of cover board；The gas vent of gas passage is set to the middle part of cover board, and air inlet is logical through gas
Road is connected with gas vent, and during vulcanization, the gas leak into from cover board circumference enters gas passage through air inlet, keeps away
Exempt from gas because poor sealing effect enters between gum cover and internal model, thus ensure that the pressure difference in transmission belt made-up belt forming process,
Improve the vulcanization effect of transmission belt；
(2) the utility model is a kind of for sealing the cover board of vulcanization plant, and the circumference of cover board offers the row of annular
Channeling slot, the exhaust trench are arranged along the circumferencial direction of side, and exhaust trench is connected with air inlet, and cover board circumference is any
When the gas of position is by side edge thereof flushed zone tooth gum cover, it is logical that the steam of infiltration can enter gas by exhaust trench
Road, and be expelled in rigid internal model by gas passage；
(3) a kind of driving belt vulcanization plant of the utility model leaks between band tooth gum cover and cover board because of poor sealing
The gas entered enters gas passage through air inlet, to improve the vulcanization effect of transmission belt, avoids steam entrance；
(4) a kind of driving belt vulcanization plant of the utility model, cover board week side with inside smooth section be formed as vertical
Direction sealing, edge and transition the joint face formation of cover board medial surface are horizontal direction sealing, so that made-up belt accommodating chamber and lid
Repeatedly sealing is formed between on the outside of plate, and the angle between horizontal direction sealing and vertical direction sealing is 90 °, to improve
Sealing effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of driving belt vulcanization plant of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram with tooth gum cover of the utility model；
Fig. 3 is the schematic diagram of the section structure with tooth gum cover of the utility model；
Fig. 4 is a kind of enlarged structure schematic diagram of driving belt vulcanization plant of the utility model embodiment 1；
Fig. 5 is a kind of enlarged structure schematic diagram of driving belt vulcanization plant of the utility model embodiment 2；
Fig. 6 is the bottom view of the cover board of the utility model embodiment 2；
Fig. 7 is the top view of the cover board of the utility model embodiment 2；
Fig. 8 is that the exhaust trench position of the utility model embodiment 2 marks schematic diagram；
Fig. 9 is a kind of enlarged structure schematic diagram of driving belt vulcanization plant of the utility model embodiment 3；
Figure 10 is the structural schematic diagram of the cover board of the utility model embodiment 3；
Figure 11 is a kind of structural schematic diagram of driving belt vulcanization plant of the utility model embodiment 4；
Figure 12 is a kind of enlarged structure schematic diagram of driving belt vulcanization plant of the utility model embodiment 4.
Figure 13 is the structural schematic diagram of the cover board of the utility model embodiment 5；
Figure 14 is the structural schematic diagram of the cover board of the utility model embodiment 6.
Label declaration in schematic diagram:
101, air inlet；102, gas passage；103, gas vent；104, groove；105, exhaust trench；1051, groove slot
Bottom；1052, groove notch；106, cover board week side；1061, circumferential lateral surface；1062, inner circumferential side；107, cover board medial surface；
108, cover board lateral surface；109, cover board convex block；110, upper cover plate；120, lower cover plate；130, sealing clamp；
210, rigid internal model；211, mould inside；220, band tooth gum cover；221, on the outside of gum cover；222, inside flute profile section；
223, inside smooth section；224, transition joint face；230, bottom support plate；240, interior pressure control pipe；250, made-up belt accommodating chamber；
300, transmission belt made-up belt；
Specific embodiment
Hereafter to the detailed description of the exemplary embodiment of the utility model with reference to attached drawing, which forms the one of description
Part has been shown as example the enforceable exemplary embodiment of the utility model in the figure.Although these exemplary realities
Example is applied to be described in sufficient detail so that those skilled in the art can implement the utility model, it is to be understood that it can be realized
His embodiment and can various changes can be made to the utility model in the case where not departing from the spirit and scope of the utility model.Hereafter
Required the scope of the utility model is not limited to the more detailed description of the embodiments of the present invention, and only
The description of the characteristics of in order to be illustrated and not limit to the utility model and feature, to propose to execute the utility model
Best mode, and it is sufficient to make those skilled in the art that can implement the utility model.Therefore, the scope of the utility model only by
Appended claims limit.
Hereafter the detailed description of the utility model and example embodiment are more fully understood in combination with attached drawing, wherein this reality
It is identified with novel element and feature by appended drawing reference.
Embodiment 1
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model it is a kind of for sealing the cover board of vulcanization plant, set in cover board
It is equipped with gas passage 102, the air inlet 101 of gas passage 102 is set to the circumference of cover board；The gas vent of gas passage 102
103 are set to the middle part of cover board, and air inlet 101 is connected through gas passage 102 with gas vent 103, in gas vent 103 and mold
Portion 211 is connected.A gas passage 102 can be set in cover board, multiple gas passages 102 also can be set.Air inlet 101
The cover board week of circumference is set on side 106.
The distance between air inlet 101 and cover board medial surface 107 are D1, then D1> 0, air inlet 101 and cover board lateral surface
The distance between 108 be D2, then D2> 0 (as shown in Figure 4)；I.e. air inlet 101 is not connected to directly with cover board medial surface 107, and
Certain thickness is kept between air inlet 101 and cover board medial surface 107；And air inlet 101 does not connect directly with cover board lateral surface 108
It is logical, so that keeping certain thickness between air inlet 101 and cover board lateral surface 108.
A kind of driving belt vulcanization plant using above-mentioned cover board of the utility model, including rigid internal model 210, band tooth glue
Set 220 and cover board, wherein rigid internal model 210 is used to support transmission belt made-up belt 300, rigid internal model 210 is set as rotatingcylindrical drum
Shape, rigid internal model 210 is set as smooth, to prepare transmission belt using reverse-forming method；Above-mentioned band tooth gum cover 220 is set in
The outside of rigid internal model 210 is the external mold of product with tooth gum cover 220, with being provided with inner tines in the middle part of 220 medial surface of tooth gum cover
Type section 222, the tooth form and structure of inside flute profile section 222 can be designed according to the needs of reverse-forming.Under rigid internal model 210
Portion is connected with interior pressure control pipe 240, and interior pressure control pipe 240 passes through cover board (as shown in Figure 4), interior pressure control pipe 240 and
Pressure pump is connected, and pressure pump is for regulating and controlling the gas pressure of rigid internal model 210.Cover board includes upper cover plate 110 and lower cover plate 120
Gas vent 103 is connected towards mould inside 211, the i.e. gas vent 103 of upper cover plate 110 and lower cover plate 120 with mould inside 211
It is logical.
End with 220 medial surface of tooth gum cover is set as inside smooth section 223, i.e., with the upper of 220 medial surface of tooth gum cover
Portion and lower part are provided with inside smooth section 223, which matches with cover board week side 106, i.e. inside smooth section
223 internal diameter and the outer diameter of cover board week side 106 are essentially identical, it may be convenient to which cover board week side 106 is assemblied in band tooth glue
The inside smooth section 223 of set 220.Middle inside with tooth gum cover 220 is provided with inside flute profile section 222, and inside flute profile section
222 height and the rigid height of internal model 210 are identical (as shown in Figures 2 and 3).
Transmission belt made-up belt 300 is during sulfidization molding, since the pressure of vulcanizing tank is greater than with the pressure in tooth gum cover 220
Power, by vulcanizing tank and the pressure difference with tooth gum cover 220, so that apply pressure to band made-up belt 300 is transmitted with tooth gum cover 220,
So that with tooth gum cover 220 by 300 extrusion forming of transmission belt made-up belt.Therefore, vulcanizing tank will with the pressure difference with tooth gum cover 220
Directly determine the vulcanized quality of transmission belt made-up belt 300, with the sealing space that tooth gum cover 220 is surrounded by the cover board at its both ends, i.e.,
The pressure space with tooth gum cover 220 is together constituted with tooth gum cover 220 and upper cover plate 110, lower cover plate 120；At this point, cover board with
Sealing effect with tooth gum cover 220 will directly affect the pressure difference of vulcanizing tank and rigid internal model 210；I.e. cover board with tooth gum cover
220 directly affect the vulcanized quality of transmission belt made-up belt 300；Upper cover plate 110 is installed on the top with tooth gum cover 220, so that on
The cover board week side 106 of cover board 110 is sealed with the inside smooth section 223 with 220 top of tooth gum cover, similarly pacifies lower cover plate 120
Loaded on the lower part with tooth gum cover 220.During vulcanization, since vulcanizing tank is greater than with the pressure in tooth gum cover 220, vulcanizing
Under the action of pressure inside the tank, band tooth gum cover 220 applies pressure inwardly, in particular so that top and upper cover with tooth gum cover 220
Plate 110 is close to, and the lower part similarly with tooth gum cover 220 is close to lower cover plate 120, so that upper cover plate 110 and with tooth gum cover 220
The inside smooth section 223 on top seals, and lower cover plate 120 is sealed with the inside smooth section 223 with 220 lower part of tooth gum cover；To reach
To the effect of sealing.
Since air pressure is greater than with the pressure in tooth gum cover 220 in vulcanizing tank, under the action of vulcanizing pressure inside the tank, although
Inside smooth section 223 and cover board week side 106 in vulcanizing tank under the action of air pressure with tooth gum cover 220 seal, but inside light
Sliding section 223 inevitably has certain gap with cover board week side 106, and the air pressure in vulcanizing tank is larger, in vulcanizing tank
Steam can penetrate into transmission belt made-up belt 300 along the gap of inside smooth section 223 and cover board week side 106, so that transmission belt band
The sulfidization molding quality of base 300 seriously reduces, and reason may be as follows:
In one, steam flushed zone tooth gum cover 220, so that steam is mixed in transmission belt made-up belt 300, so that transmission
Band made-up belt 300 is also easy to produce the phenomenon that bubble and layering, to reduce the quality and ratio defective product of product；
Secondly, the steam in flushed zone tooth gum cover 220 makes so that the pressure at 300 position of transmission belt made-up belt increased
Obtaining the pressure difference at vulcanizing tank and 300 position of transmission belt made-up belt reduces, so that the nip pressure in forming process is reduced, to drop
The low Forming Quality of transmission belt made-up belt 300.
Its reason is: during vulcanization, upper cover plate 110 is directly in contact with 300 top of transmission belt made-up belt, lower cover plate
120 touch with 300 bottom connection of transmission belt made-up belt.Since transmission belt made-up belt 300 is rendered as thick viscosity flow at high operating temperatures
Body, and the top of thick transmission belt made-up belt 300 is contacted with upper cover plate 110, the bottom of thick transmission belt made-up belt 300
Portion is contacted with lower cover plate 120, and is made with space (the i.e. peace of transmission belt made-up belt 300 between tooth gum cover 220 and rigid internal model 210
Holding position space) it is isolated with the space in rigid internal model 210；And make the vapor stay penetrated into band tooth gum cover 220 and rigidity
Between internal model 210, so that the pressure at 300 position of transmission belt made-up belt increases, and then reduces the nip pressure in forming process, drop
The low Forming Quality of transmission belt made-up belt 300.
In response to the above problems, those skilled in the art is in order to avoid steam infiltration steam, often by various modes
Sealing effect is improved, such as: increase gasket seal or wrapping-sealing gasket or sealed pressure is improved by clip；Appeal
Although method improves sealing effect, it is also difficult to guarantee absolute sealing effect, while also inevitably have steam flushed zone
In transmission belt made-up belt 300 between tooth gum cover 220 and rigid internal model 210.Therefore, although by improving sealing effect, Ke Yi
Improve vulcanized quality to a certain extent, it can be difficult to fundamentally improving vulcanized quality.
For this purpose, present inventor does not understand after repeated thinking yet, and after largely studying, the proposition of inventor's creativeness
: gas passage 102 is provided in cover board, the air inlet 101 of gas passage 102 is set to the circumference of cover board；Steam is set to exist
When by cover board with penetrating into 220 junction of tooth gum cover, steam can enter gas passage 102 through air inlet 101, and by row
Stomata 103 enters the inner space of rigid internal model 210, so that the locating space of steam infiltration transmission belt made-up belt 300 is avoided, thus
Improve Forming Quality.The applicant of the utility model is in order to break the technology prejudice of the prior art, in order to avoid steam infiltration
Enter, is not improved the sealing effect of various sealings, but creative proposing opens up air inlet by the circumference in cover board
Hole 101 so that the steam penetrated into enters gas passage 102 by air inlet 101, and is discharged into rigid internal model by gas passage 102
210 inner space, to ensure that the briquetting pressure of transmission belt made-up belt 300, thus improve transmission belt made-up belt 300 at
Type quality.The utility model has broken the technology prejudice of the prior art, and obtains unexpected technical effect.In order to reach
Preferable effect, the present embodiment can open up multiple air inlets 101 in circumference, so that the steam penetrated into is preferably by air inlet
101 enter gas passage 102 and are discharged.
The vulcanization process using above-mentioned driving belt vulcanization plant of the present embodiment,
Step 1: transmission belt made-up belt 300 is installed on rigid internal model 210 and between tooth gum cover 220, and in band tooth gum cover
220 both ends installation cover board constitutes vulcanization plant, is provided with gas passage 102, the air inlet 101 of gas passage 102 in cover board
It is set to the circumference of cover board；
Step 2: vulcanization plant is placed in after vulcanizing tank vulcanized, through the first jet chimney into vulcanization plant
It is filled with steam, and the air pressure in vulcanization plant is regulated and controled by the first jet chimney；It is filled by the second jet chimney into vulcanizing tank
Enter steam, and the air pressure in vulcanizing tank, the gas leak into during vulcanization by side edge thereof are regulated and controled by the second jet chimney
Body enters inside vulcanization plant through gas passage 102, and band tooth gum cover 220 is applied under the action of draught head to transmission belt made-up belt 300
Plus-pressure, and cross-linking reaction is carried out, transmission belt made-up belt 300 is sulfided into the made-up belt that there is longitudinal rack in outer surface.
It specifically describes: the affix labels first on smooth cylindrical 210 surface of rigid internal model；By transmission belt made-up belt
300 are sleeved in rigid internal model 210, the transmission belt made-up belt 300 successively include top cloth, top glue, buffering adhesive, core rope, buffering adhesive,
Primer and base fabric；It will be installed on lower cover plate 120 with tooth gum cover 220, so that the lower part with tooth gum cover 220 and lower cover plate 120 are tight
Patch, so that lower cover plate 120 is sealed with the inside smooth section 223 with 220 lower part of tooth gum cover；It then will be with 220 He of tooth gum cover
Lower cover plate 120 is put into the bottom support plate 230 in vulcanizing tank, will then be installed on transmission belt made-up belt 300 and rigid internal model 210
Enter band tooth gum cover 220 in, then by upper cover plate 110 lid be mounted in the top with tooth gum cover 220 so that upper cover plate 110 with tooth gum cover
The inside smooth section 223 on 220 tops seals；The lid for covering vulcanizing tank is successively opened according to the program of design, time and pressure
External pressure, pressure adjusting reaches 0.85MPa or more, and opens internal pressure after the time for reaching setting again, and controlling its internal pressure is 0.4MPa,
Band tooth gum cover 220 is close to simultaneously press belt made-up belt 300, so that the outer surface of transmission belt made-up belt 300 under the action of external pressure
Sizing, while cross-linking reaction is carried out under high temperature and high pressure vapor action, the vulcanization completion of transmission belt made-up belt 300 outer surface is had vertical
To the made-up belt cylinder of rack gear.Transmission belt made-up belt 300 after vulcanization is removed from rigid internal model 210, further according to the specification of product
Transmission belt made-up belt 300 is cut into the forming belt of defined width on cutting machine.
Embodiment 2
The basic content of the present embodiment with embodiment 1, the difference is that: the circumference of cover board offer annular exhaust
Groove 105 (as shown in Figure 5-Figure 8), the exhaust trench 105 are arranged along the circumferencial direction of side, exhaust trench 105 and air inlet
Hole 101 is connected；Air inlet 101 is set in exhaust trench 105, so that air inlet 101 is connected with exhaust trench 105
It is logical.At the same time, exhaust trench 105 is D at a distance from cover board medial surface 1073, D3> 0, exhaust trench 105 and cover board lateral surface
The distance between 108 be D4, D4> 0 (as shown in Figure 8).And air inlet 101 is set to the center of exhaust trench 105.
In order to reach better effect, avoids the gas in vulcanizing tank by cover board and the junction with tooth gum cover 220 is penetrated into,
The utility model can also offer annular exhaust trench 105 in the circumference of cover board, and the exhaust trench 105 is along side
Circumferencial direction setting, exhaust trench 105 is connected with air inlet 101, so that circumference any position of the steam by cover board
When infiltration, steam all has to pass through exhaust trench 105, so that steam enters air inlet 101 by exhaust trench 105, and passes through
Gas passage 102 is discharged into the inner space of rigid internal model 210, to further ensure that the molding of transmission belt made-up belt 300
Pressure, to improve the Forming Quality of transmission belt made-up belt 300.At this point, one air inlet 101 of setting is, naturally it is also possible to set
It is set to multiple.
The vulcanization process using above-mentioned driving belt vulcanization plant of the present embodiment will be set in biography with tooth gum cover 220
The dynamic outside with made-up belt 300, then cover board is installed on the both ends with tooth gum cover 220, and be sealed to vulcanization plant；Then will
Vulcanization plant after sealing covers the lid of vulcanizing tank, according to the program of design, time and pressure loaded on the supporting plate in vulcanizing tank
Power successively opens external pressure, and pressure adjusting reaches 0.85MPa or more, and opens internal pressure after the time for reaching setting again, controls in it
Pressure is 0.4MPa, and band tooth gum cover 220 is close to simultaneously press belt made-up belt 300, so that transmission belt made-up belt under the action of external pressure
300 outer surface sizing, while cross-linking reaction is carried out under high temperature and high pressure vapor action, transmission belt made-up belt 300 has been vulcanized
There is the made-up belt cylinder of longitudinal rack at outer surface.Transmission belt made-up belt 300 after vulcanization is removed from rigid internal model 210, then root
Transmission belt made-up belt 300 is cut on cutting machine the forming belt of defined width according to the specification of product.
Embodiment 3
The basic content of the present embodiment with embodiment 2, the difference is that: the internal diameter of inside flute profile section 222 be less than inside
The internal diameter of smooth section 223, so that inside flute profile section 222 is protruded inwardly relative to inside smooth section 223, and inside flute profile
Transition joint face 224 is formed between the top and inside smooth section 223 of section 222, transition joint face 224 is also smooth plane,
When cover board to be installed on to the inside smooth section 223 with tooth gum cover 220, cover board cover board week side 106 with inside smooth section 223
It matches, thus realize the sealing of cover board week side 106 Yu inside smooth section 223, transition joint face 224 and cover board medial surface
107 marginal portion matches, and realizes the sealing at the edge and transition joint face 224 of cover board medial surface 107；And cover board week side
106 are formed as vertical direction sealing with inside smooth section 223, what the edge and transition joint face 224 of cover board medial surface 107 were formed
It is sealed for horizontal direction, so that formation repeatedly sealing between on the outside of made-up belt accommodating chamber 250 and cover board, and horizontal direction is sealed and is erected
Histogram to the angle between sealing be 90 °, to improve sealing effect (as shown in Figure 9).
Especially thick viscosity flow is formed in the transmission belt made-up belt 300 for the processing that during high temperature vulcanized, cures
Body, and the outside of the gum cover with tooth gum cover 220 221 has biggish pressure, in the case where there is larger pressure on the outside, band tooth glue
The inside flute profile section 222 of set 220 will apply pressure to thick rheid, under the extruding of inside flute profile section 222, flowing
The transmission belt made-up belt 300 of state is flowed along the marginal portion of cover board medial surface 107 and the intersection of transition joint face 224.By
Pressure difference between internal model and vulcanizing tank is larger, and the transmission belt made-up belt 300 of flow regime is possible to during extruding
It cover board and is flowed；If not using measure, thick transmission belt made-up belt 300 is possible to flow under the action of squeeze pressure
Block to air inlet 101, or even by air inlet 101.Since band tooth gum cover 220 is larger to 300 squeeze pressure of transmission belt made-up belt,
And air inlet 101 is connected with the inside of rigid internal model 210, pressure herein is relatively small, causes the transmission belt made-up belt of flowing
300 can flow to the position of air inlet 101.
The cover board week side 106 of the present embodiment with inside smooth section 223 is formed as vertical direction sealing, cover board medial surface
107 edge and transition joint face 224 formation is horizontal direction sealing, so that between on the outside of made-up belt accommodating chamber 250 and cover board
Repeatedly sealing is formed, and the angle between horizontal direction sealing and vertical direction sealing is 90 °, so that sticky transmission belt made-up belt
300 need to overcome the pressure of multiple directions when flowing to 101 direction of air inlet, to avoid the transmission belt band of thick flowing
Base 300 flows to the position of air inlet 101.
At the same time, it is worth noting that the distance between air inlet 101 and cover board medial surface 107 are D1, air inlet 101
The distance between cover board lateral surface 108 is D2, then D1=1.0~1.5D2；That is D1=1.2D2, in exhaust trench 105 and cover board
The distance of side 107 is D3, the distance between exhaust trench 105 and cover board lateral surface 108 are D4, D3=1.2D4.It is worth noting
, the air inlet 101 of the present embodiment is set in exhaust trench 105, and the section of the groove slot bottom 1051 of exhaust trench 105
Product is greater than the sectional area of groove notch 1052；I.e. by being gradually reduced (such as to the opening degree of groove notch 1052, exhaust trench 105
Shown in Fig. 9 and Figure 10), the cross section of the exhaust trench 105 of the present embodiment is swallow-tail form, the groove notch of exhaust trench 105
1052 opening degree is 0.5~20mm, the preferred 2mm of the present embodiment.To increase cover board week side 106 and with tooth gum cover 220
Inside smooth section 223 contact area, to increase the distance and sealing effect of sealing.
Due to groove slot bottom 1051 to groove notch 1052, the opening degree of exhaust trench 105 is gradually reduced；So that groove slot
The opening degree of 1052 positions of mouth is smaller, and so as to avoid at groove notch 1052, band tooth gum cover 220 makes because air pressure is larger
Obtaining the position that inside smooth section 223 is contacted with groove notch 1052, deformation occurs and generates gap.This is because, if exhaust ditch
Slot 105 is flat mouth slot as shown in Fig. 2 groove, since the air pressure in vulcanizing tank is larger, is applied in air pressure to cover board week side 106
It when pressure, then be easy to cause at groove notch 1052, inside smooth section 223 is excessive and sagging because of extruding force, and causes inside
It is squeezed and deformed at smooth section 223 and 105 groove notch 1052 of exhaust trench and generates gap, sealing effect is easily caused to be deteriorated.
Embodiment 4
As is illustrated by figs. 11 and 12, the basic content of the present embodiment is with embodiment 1, the difference is that: cover board is close to lid
The side of plate medial surface 107 is provided with cover board convex block 109, and cover board convex block 109 and cover board form groove 104；That is upper cover plate 110
Lower part is provided with cover board convex block 109, and the lower surface of cover board convex block 109 is cover board medial surface 107, and for lower cover plate 120, lower cover
The top of plate 120 is provided with cover board convex block 109, and the upper surface of cover board convex block 109 is cover board medial surface 107；It is worth noting that:
The end of inside flute profile section 222 is also configured as smooth surface, and the end of inside flute profile section 222 is matched with cover board convex block 109,
The end of inside flute profile section 222 keeps sealing and cooperating with cover board convex block 109.Above-mentioned groove 104 can just with inside
The matching ends of flute profile section 222.So that sticky transmission belt made-up belt 300 needs to overcome when flowing to 101 direction of air inlet
The pressure of multiple directions, so that the transmission belt made-up belt 300 of thick flowing be avoided to flow to the position of air inlet 101.To keep away
Thick glue outflow mold is exempted from, and then has avoided core rope and loosened during vulcanization, has also avoided at the same time
Product layering, core rope is low with the adhesive strength of glue, fabric and the defects of glue layering bubble.
Embodiment 5
As shown in figure 13, the basic content of the present embodiment is with embodiment 1, the difference is that: cover board is set as taper, i.e.,
By cover board lateral surface 108 to cover board medial surface 107, the sectional area of the cross section of cover board gradually tapers up cover board, to form taper
Cover board, the cover board of taper is convenient for during assembly, and cover board is installed on the both ends with tooth gum cover 220.
Embodiment 6
As shown in figure 14, the basic content of the present embodiment is with embodiment 2, the difference is that: the also packet of the utility model
Sealing clamp 130 is included, sealing clamp 130 is set in outside band tooth gum cover 220, and sealing clamp 130 is correspondingly arranged with cover board, close
Envelope clip 130 is set in outside band tooth gum cover 220, i.e., sealing clamp 130 is set to the circumferential exterior with tooth gum cover 220；On and
Cover board 110 and the corresponding position of lower cover plate 120 are provided with sealing clamp 130, and by applying clamping to band tooth gum cover 220
Power, sealing clamp 130 are used to seal to cover board and with 220 clamping of tooth gum cover.
Sealing clamp 130 and the circumferential lateral surface 1061 of cover board week side 106 are correspondingly arranged, cover plate side face 106 with
Exhaust trench 105 is line of demarcation, wherein being circumferential lateral surface 1061 close to the side of cover board lateral surface 108, close to cover board medial surface
107 side is inner circumferential side 1062；And the distance between 130 bottom of sealing clamp and cover board lateral surface 108 are d1, then D2>
d1, so that sealing clamp 130 will not be installed on the corresponding position of exhaust trench 105, and then sealing effect can be improved.To logical
Sealing clamp 130 is crossed, is improved to the sealing effect between cover board week side 106 and cover board, and then improves transmission belt made-up belt 300
The quality of sulfidization molding.
The utility model is described in detail above in conjunction with specific exemplary embodiment.It is understood, however, that can be
It is carry out various modifications in the case where not departing from the scope of the utility model being defined by the following claims and modification.It is detailed to retouch
State should be to be considered only as with attached drawing it is illustrative and not restrictive, if there is any such modifications and variations, then
They fall in the scope of the utility model described herein.In addition, background technique is intended to grinding in order to illustrate this technology
It was found that shape and meaning, it is no intended to limit the application field of the utility model or the application and the utility model.
More specifically, the utility model is simultaneously although the exemplary embodiment of the utility model has been described herein
These embodiments are not limited to, but are repaired including those skilled in the art according to the process that the detailed description of front can be appreciated that
Change, omit, any and whole embodiments of the combination between for example each embodiment, adaptive change and/or replacement.Right is wanted
The restriction asked language according to used in claim and widely explained, and be not limited in foregoing detailed description
Or the example described during implementing this application, these examples should be considered as nonexcludability.For example, in the utility model
In, term " preferably " be not it is exclusive, here it means that " preferably, but be not restricted to that ".It is in office where method or
Any step enumerated in process claims can execute in any order and be not limited to the sequence proposed in claim.
Therefore, the scope of the utility model should be determined only by appended claims and its legal equivalents, rather than by giving above
Explanation and example out determines.
Claims (10)
1. a kind of for sealing the cover board of vulcanization plant, it is characterised in that: be provided in cover board gas passage (102), gas is logical
The air inlet (101) in road (102) is set to the circumference of cover board；The gas vent (103) of gas passage (102) is set to cover board
Middle part, air inlet (101) are connected through gas passage (102) with gas vent (103).
2. according to claim 1 a kind of for sealing the cover board of vulcanization plant, it is characterised in that: the circumference of cover board is opened
Equipped with annular exhaust trench (105), the exhaust trench (105) along side circumferencial direction be arranged, exhaust trench (105) with
Air inlet (101) is connected.
3. according to claim 1 a kind of for sealing the cover board of vulcanization plant, it is characterised in that: air inlet (101) is set
It is placed in exhaust trench (105)；Or/and air inlet (101) is set on the cover board week side (106) of circumference.
4. according to claim 2 a kind of for sealing the cover board of vulcanization plant, it is characterised in that: air inlet (101) with
The distance between cover board medial surface (107) is D1, then D1> 0, the distance between air inlet (101) and cover board lateral surface (108) are
D2, then D2> 0.
5. according to claim 3 a kind of for sealing the cover board of vulcanization plant, it is characterised in that: exhaust trench (105)
Groove slot bottom (1051) sectional area be greater than groove notch (1052) sectional area.
6. a kind of driving belt vulcanization plant, it is characterised in that: including
Rigid internal model (210), the rigidity internal model (210) are used to support vulcanization made-up belt (300)；
Band tooth gum cover (220), the band tooth gum cover (220) are set in the outside of rigid internal model (210), band tooth gum cover (220) inside
The end in face is provided with inside smooth section (223)；
Cover board, the cover board are the cover board of any one of claim 1-5, cover board week side (106) and the inside with tooth gum cover (220)
Smooth section (223) matches.
7. a kind of driving belt vulcanization plant according to claim 6, it is characterised in that: the inside with tooth gum cover (220)
Middle part is provided with band tooth medial surface (222), and the height with tooth medial surface (222) is identical as the height of rigid internal model (210).
8. a kind of driving belt vulcanization plant according to claim 6, it is characterised in that: cover board includes upper cover plate (110)
With lower cover plate (120), upper cover plate (110) is matched with the inside smooth section (223) with tooth gum cover (220) upper end；Lower cover plate
(120) it is matched with the inside smooth section (223) with tooth gum cover (220) lower end.
9. according to a kind of described in any item driving belt vulcanization plants of claim 7-8, it is characterised in that: cover board includes upper cover
The gas vent (103) of plate (110) and lower cover plate (120) is towards mould inside (211).
10. a kind of driving belt vulcanization plant according to claim 9, it is characterised in that: be arranged on rigid internal model (210)
There is interior pressure control pipe (240), interior pressure control pipe (240) is used to control the gas pressure in rigid internal model (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820912427.2U CN208629760U (en) | 2018-06-12 | 2018-06-12 | A kind of cover board and its driving belt vulcanization plant for sealing vulcanization plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820912427.2U CN208629760U (en) | 2018-06-12 | 2018-06-12 | A kind of cover board and its driving belt vulcanization plant for sealing vulcanization plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208629760U true CN208629760U (en) | 2019-03-22 |
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ID=65735531
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820912427.2U Active CN208629760U (en) | 2018-06-12 | 2018-06-12 | A kind of cover board and its driving belt vulcanization plant for sealing vulcanization plant |
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| CN (1) | CN208629760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724559A (en) * | 2018-06-12 | 2018-11-02 | 芜湖市精准传动系统研究院 | A kind of seal cover board and its driving belt vulcanization plant |
-
2018
- 2018-06-12 CN CN201820912427.2U patent/CN208629760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724559A (en) * | 2018-06-12 | 2018-11-02 | 芜湖市精准传动系统研究院 | A kind of seal cover board and its driving belt vulcanization plant |
| CN108724559B (en) * | 2018-06-12 | 2024-04-09 | 芜湖市精准传动系统研究院 | Sealing cover plate and driving belt vulcanizing device thereof |
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