CN108044878A - A kind of production mould of rubber and the method for preparing rubber - Google Patents
A kind of production mould of rubber and the method for preparing rubber Download PDFInfo
- Publication number
- CN108044878A CN108044878A CN201810038833.5A CN201810038833A CN108044878A CN 108044878 A CN108044878 A CN 108044878A CN 201810038833 A CN201810038833 A CN 201810038833A CN 108044878 A CN108044878 A CN 108044878A
- Authority
- CN
- China
- Prior art keywords
- rubber
- cavity
- lower template
- sealing ring
- production mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 124
- 239000005060 rubber Substances 0.000 title claims abstract description 124
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000000465 moulding Methods 0.000 claims abstract description 18
- 230000000740 bleeding effect Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 24
- 238000004513 sizing Methods 0.000 claims description 23
- 238000004073 vulcanization Methods 0.000 claims description 18
- 239000012043 crude product Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010092 rubber production Methods 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010068 moulding (rubber) Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000005486 sulfidation Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/002—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C2045/2683—Plurality of independent mould cavities in a single mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
Abstract
Production mould and the method for preparing rubber the present invention relates to a kind of rubber, the production mould of the rubber includes cope plate and lower template, molding forms rubber cavity and sealing ring cavity, the lower template is equipped with exhaust outlet and bleeding point, and the bleeding point is connected with the exhaust outlet.Rubber is prepared using the production mould of rubber of the present invention, including being molded, vulcanizing, vacuumizing and continuing sulfidization molding.The present invention utilizes the production mould of the rubber, cavity in mold is rapidly completed using mold connection vacuum pump to vacuumize, both the production equipment input of rubber had been reduced, production efficiency can be improved again, save human cost and energy consumption, the smooth nothing of rubber article obtained simultaneously is choked with resentment, and appearance is full, meets production requirement.
Description
Technical field
The present invention relates to rubber production technology, the production mould of especially a kind of rubber and the side for preparing rubber
Method.
Background technology
The vulcanization of rubber is the addition crosslinking coagents such as vulcanizing agent and accelerating agent in rubber, in certain temperature, pressure condition
Under, linear macromolecule is made to be changed into the process of tridimensional network, is the technique that most rubbers must use.
The vulcanization of rubber is carried out using vulcanizing press in the prior art, when rubber is thicker or complex-shaped, is needed
Will sulfidization molding under vacuum, under vacuum conditions, rubber mobility is more preferable, and irregular structure product molding is easier,
It simultaneously can be to avoid the generation of a large amount of bubbles.Vacuum machine is coordinated using vulcanizing press, will be put into when vacuumizing after mold clamping
In vacuum machine, to mold outside space vacuumize, so as to fulfill the vacuum vulcanization condition for treating vulcanized article in mold.However this
Kind entire mold is put into mode that vacuum board vacuumizes, it is necessary to consume the substantial amounts of energy, the pumpdown time is longer, and vacuum
Speculative investment is larger, and production cost is higher.
The content of the invention
Problem to be solved by this invention is to overcome the shortcomings of the prior art, provides a kind of production mould of rubber
The method for having and preparing rubber.
Rubber of the present invention includes General Purpose Rubber product and complicated rubber, such as knot containing interlayer
The rubber of structure, especially some rubber shaped pieces, such as cylinder liner.Cylinder liner marginal texture is complicated, and effect is to fill up gas
Microscopic void between cylinder body and cylinder head ensures there is good leakproofness at faying face, and then ensures the sealing of combustion chamber, prevents
Only cylinder leakage tester and water jacket leak, therefore, the production requirement of cylinder liner is higher, and not allowing surface, sulfidation must there are bubble
Vacuum condition must be used.
The present invention dexterously prepares sealing ring by the production mould of rubber, without additionally increasing sealing ring mould,
And do not have to remove using the sealing ring of the production mould formation of rubber, good airproof performance utilizes for vulcanization process of rubber product
Vacuum pump, which vacuumizes, provides good sealing space, can be rapidly achieved vacuum condition, and completion vulcanization time is short, improves production effect
Rate.It is molded after rubber product forming, sealing ring is stayed in lower template, for the production of follow-up rubber.
Conventional vulcanized process is utilized vacuum vulcanization machine, rubber by the present invention using the production mould of the rubber
Evacuated vulcanizer group, vacuum rubber forming machine etc. to mold outside the mode that vacuumizes of space, be changed into and utilize vacuum pump pair
Space in mold vacuumizes, and so as to fulfill vacuum condition is fast and efficiently reached, and the early period for substantially reducing production equipment throws
Enter the production cost with rubber.
Concrete scheme is as follows：
A kind of production mould of rubber, including cope plate and lower template, the cope plate and lower template molding
It forms rubber cavity and surrounds the sealing ring cavity of the rubber cavity, the rubber cavity includes the first type
Chamber and the second cavity, first cavity are located on the cope plate lower face, and second cavity is located in the lower template
On end face；The sealing ring cavity includes the first groove positioned at the cope plate and the second groove positioned at the lower template；
The first cavity symmetry axis is equipped with the first sizing material injecting hole, and first groove periphery of the cope plate is equipped at least two
A positioning guide column, second groove of the lower template surround in the range of be equipped with multiple exhaust outlets, the bottom of second groove
Portion is equipped with the second sizing material injecting hole, and second groove periphery of the lower template is equipped at least two and the positioning guide column phase
Matched location hole is additionally provided with bleeding point in the lower template, and the bleeding point is connected with the exhaust outlet.
Further, the rubber is cylinder liner；
Optional, first cavity is recessed to cope plate upper surface one side, and second cavity is to the lower die
Plate lower face one side is recessed；
Optional, the sealing ring cavity is rectangle.
Further, the surrounding of the sealing ring cavity is provided with chamfering.
Further, the first sizing material injecting hole or the circular hole that the second sizing material injecting hole is a diameter of 5-6mm；
Optional, the exhaust outlet is the circular hole of a diameter of 3-4mm.
Further, the Second-Type intracavitary symmetric position is provided at least two exhaust outlets.
Further, symmetric position is provided at least two exhaust outlets outside second cavity.
The present invention also provides the method that the production mould using the rubber prepares rubber, step is as follows：
(1) cope plate and the lower template are molded, the first rubber that the first sizing material injecting hole injection is kneaded
Glue sizing material vulcanizes 3-5 minutes, obtains rubber crude product；Sealing ring is installed in the sealing ring cavity；
(2) bleeding point in the lower template is connected into vacuum pump, vacuumized 1-2 minutes, the rubber in the step (1)
Glue product crude product continues sulfidization molding, obtains rubber.
Further, the preparation method of sealing ring is described in the step (1), by the cope plate and the lower template
Molding, the second rubber size being kneaded from the second sizing material injecting hole injection, through sulfidization molding, obtains the sealing ring.
Further, the temperature of vulcanization is 120-170 DEG C in the step (1), atmospheric pressure vulcanization.
Further, the vacuum degree vacuumized in the step (2) is 10-200Pa.
Advantageous effect：It is quickly complete to connect vacuum pump using the production mould of the rubber using mold by the present invention
Cavity vacuumizes in into mold, has not only reduced the production equipment input of rubber, but also can improve production efficiency, save manpower into
Sheet and energy consumption, while the smooth nothing of rubber article obtained is choked with resentment, appearance is full, meets production requirement.
Description of the drawings
Fig. 1 is the production mould stereogram for the rubber that the embodiment of the present invention 1 provides；
Fig. 2 is the upper mould plate structure schematic diagram that the embodiment of the present invention 1 provides；
Fig. 3 is the lower mould plate structure schematic diagram that the embodiment of the present invention 1 provides.
Specific embodiment
Technical solution of the present invention is further elaborated with reference to embodiment.Particular technique or item are not specified in embodiment
Part person carries out according to the described technology of document in the art or condition or according to product description.Agents useful for same or instrument
Production firm person is not specified in device, and being can be with conventional products that are commercially available.
The first rubber size and the second rubber size are identical in the present embodiment, are formulated and are：100 parts by weight ethylene-propylene-diene monomers
Glue, 5 ± 0.1 parts by weight of activated zinc oxide, 2 ± 0.1 parts by weight stearic acid, 30 ± 1 parts by weight White Carbon blacks, 2 ± 0.1 parts of paraffin.
This formula is only as an example, other rubber sizes can also produce rubber according to method in embodiment；In addition, the first rubber
Sizing material and the second rubber size can also use different formulations, need to adjust according to production, the first rubber size meets rubber system
The requirement of product, the second rubber size meet sealing ring seal request.
Embodiment 1
With reference to figure 1- Fig. 3, a kind of production mould of rubber, the rubber be cylinder liner, the rubber
Production mould can once produce 3 cylinder liners, including cope plate 1 and lower template 2, the cope plate 1 and the lower template 2
Molding forms rubber cavity and surrounds the sealing ring cavity of the rubber cavity, and rubber cavity is 3 cylinders
Pad-type chamber is arranged side by side.
In the present invention, rubber is not limited to cylinder liner, and correspondingly, rubber cavity is not limited to cylinder liner cavity.It is single
The number of an a article of manufacture of mold is also not necessarily limited to 3, can be adjusted according to design conditions.If desired for single mold once
5 rubbers are produced, then 5 rubber cavities are arranged in mold.
The cylinder liner cavity includes the first cavity 31 and the second cavity 32, and first cavity 31 is located at the cope plate
On 1 lower face, second cavity 32 is located on 2 upper surface of lower template, and first cavity 31 is on the cope plate 1
End face one side is recessed, and second cavity 32 is recessed to the 2 lower face one side of lower template；The sealing ring cavity includes being located at
First groove 41 of the cope plate 1 and the second groove 42 positioned at the lower template 2.First groove 41, the second groove 42 are
Surrounding is provided with the rectangle frame of chamfering, and 3 cylinder liner cavities are all arranged in rectangle frame.
First cavity, 31 symmetry axis is equipped with the first sizing material injecting hole 33, and the first sizing material injecting hole 33 is diameter 5mm
Circular hole, first groove periphery of the cope plate 1 is equipped with 7 positioning guide columns 34, wherein 4 positioning guide columns are located at upper mold
One side of plate 1, in addition 3 positioning guide columns be located at the opposite side of 4 positioning guide columns, correspondingly, be equipped in lower template 2
The location hole 35 to match with positioning guide column 34, location hole 35 is also 7, wherein 4 location holes are located at a side of lower template 2
Side, in addition 3 location holes be located at the opposite side of 4 location holes.After cope plate 1 and lower template 2 mold, positioning guide column 34 is inserted into
In location hole 35, the positioning to cope plate 1 and lower template 2 is realized, be not easy the cavity caused by the opposite slip of bolster and change.7
A positioning guide column and 7 location holes are engaged, and realize preferable locating effect, so as to ensure the smooth implementation subsequently vacuumized.
Second groove 42 of the lower template 2 is equipped with 12 exhaust outlets in the range of surrounding, and exhaust outlet is a diameter of 3mm
Circular hole, be divided into 3 row, 4 exhaust outlets of each column are provided with 4 exhaust outlets arranged in a straight line around that is, each cylinder liner cavity, with
Exemplified by second cavity 32,4 exhaust outlets are respectively 51,52,53 and 54, and wherein exhaust outlet 51 and 54 is located at the second groove 42 and wraps
In lower template 2 in the range of enclosing, outside the second cavity 32, exhaust outlet 52 and 53 is located in the second cavity 32, and exhaust outlet uniformly divides
Cloth is conducive to rubber-moulding process and obtains preferable exhaust effect, is not likely to produce " choking with resentment ".
The design of exhaust outlet is merely illustrative in the present embodiment, and those skilled in the art are it will be appreciated that exhaust outlet also has other
Design method, such as cavity design around rubber, exhaust outlet should be uniformly placed in the range of sealing ring encirclement beneficial to rubber
The exhaust of glue product is uniform, so as to form flat surface；In addition, exhaust outlet is in a unlimited number in 12, according to the ruler of rubber
Depending on very little, 2-4 exhaust outlet is opened up around or within general small size or the single product cavity of relatively thin rubber,
5 exhaust outlets are at least opened up around or within large scale or the single product cavity of thicker rubber.
The bottom of second groove 42 is equipped with the second sizing material injecting hole 43, after cope plate 1 and lower template 2 mold, passes through second
Sizing material needed for the addition sealing ring of sizing material injecting hole 43, through sulfidization molding, obtains sealing ring.Sealing ring plays in vacuum
Sealing effect.It is molded after rubber product forming, sealing ring is stayed in lower template, for the production of follow-up rubber.
Bleeding point 5 is additionally provided in lower template 2, the bleeding point 5 is connected with all exhaust outlets in lower template 2, will take out
Gas port 5 connects vacuum pump, vacuumizes 1-2 minutes, can be rapidly achieved the condition that vacuum degree is 10-200Pa, rubber in mould inside
Product crude product continues sulfidization molding with this condition, can obtain flat appearance, full rubber.
Embodiment 2
Rubber is produced using the mold in embodiment 1, step is as follows：
(1) cope plate 1 and the lower template 2 are molded, is kneaded from the second sizing material injecting hole 43 injection
Second rubber size through sulfidization molding, obtains the sealing ring, the temperature of vulcanization is 120 DEG C, atmospheric pressure vulcanization；
(2) the first rubber size being kneaded from the first sizing material injecting hole 33 injection, vulcanizes 3 minutes, the temperature of vulcanization
It spends for 170 DEG C, atmospheric pressure vulcanization obtains rubber crude product；
(3) bleeding point 5 in the lower template 2 is connected into vacuum pump, vacuumized 1 minute, vacuum degree is set to 10Pa, described
Rubber crude product in step (2) continues sulfidization molding, obtains rubber.
Using the production method of rubber of the present invention, mold inner mold is rapidly completed using mold connection vacuum pump
Chamber vacuumizes, and has not only reduced the production equipment input of rubber, but also can improve production efficiency, saves human cost and the energy disappears
Consumption, while the smooth nothing of rubber article obtained is choked with resentment, appearance is full, meets production requirement.
Embodiment 3
Rubber is produced using the mold in embodiment 1, step is as follows：
(1) the first rubber size being kneaded from the first sizing material injecting hole 33 injection, vulcanizes 5 minutes, the temperature of vulcanization
It spends for 120 DEG C, atmospheric pressure vulcanization obtains rubber crude product；Sealing ring is installed in the sealing ring cavity；
(2) bleeding point 5 in the lower template 2 is connected into vacuum pump, vacuumized 2 minutes, vacuum degree is set to 200Pa, institute
The rubber crude product stated in step (1) continues sulfidization molding, obtains rubber.
Using the production method of rubber of the present invention, mold inner mold is rapidly completed using mold connection vacuum pump
Chamber vacuumizes, and has not only reduced the production equipment input of rubber, but also can improve production efficiency, saves human cost and the energy disappears
Consumption, while the smooth nothing of rubber article obtained is choked with resentment, appearance is full, meets production requirement.
Embodiment 4
Rubber is produced using the mold in embodiment 1, step is as follows：
(1) the first rubber size being kneaded from the first sizing material injecting hole 33 injection, vulcanizes 5 minutes, the temperature of vulcanization
It spends for 150 DEG C, atmospheric pressure vulcanization obtains rubber crude product；Sealing ring is installed in the sealing ring cavity；
(2) bleeding point 5 in the lower template 2 being connected into vacuum pump, vacuumized 1.5 minutes, vacuum degree is set to 100Pa,
Rubber crude product in the step (1) continues sulfidization molding, obtains rubber.
Using the production method of rubber of the present invention, mold inner mold is rapidly completed using mold connection vacuum pump
Chamber vacuumizes, and has not only reduced the production equipment input of rubber, but also can improve production efficiency, saves human cost and the energy disappears
Consumption, while the smooth nothing of rubber article obtained is choked with resentment, appearance is full, meets production requirement.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art are not departing from the principle of the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (10)
1. a kind of production mould of rubber, including cope plate and lower template, the cope plate and lower template molding structure
Into rubber cavity and the sealing ring cavity of the encirclement rubber cavity, it is characterised in that：The rubber cavity
Including the first cavity and the second cavity, first cavity is located on the cope plate lower face, and second cavity is located at institute
It states on lower template upper surface；The sealing ring cavity is included positioned at the first groove of the cope plate and positioned at the lower template
Second groove；The first cavity symmetry axis is equipped with the first sizing material injecting hole, first groove periphery of the cope plate
Equipped at least two positioning guide columns, second groove of the lower template surround in the range of be equipped with multiple exhaust outlets, described the
The bottom of two grooves is equipped with the second sizing material injecting hole, second groove periphery of the lower template be equipped at least two with it is described
The location hole that positioning guide column matches is additionally provided with bleeding point in the lower template, and the bleeding point is connected with the exhaust outlet.
2. the production mould of cylinder liner according to claim 1, it is characterised in that：The rubber is cylinder liner；
Optional, first cavity is recessed to cope plate upper surface one side, and second cavity is under the lower template
End face one side is recessed；
Optional, the sealing ring cavity is rectangle.
3. the production mould of rubber according to claim 2, it is characterised in that：The surrounding of the sealing ring cavity is opened
There is chamfering.
4. the production mould of rubber according to claim 1, it is characterised in that：The first sizing material injecting hole or
Two sizing material injecting holes are the circular hole of a diameter of 5-6mm；
Optional, the exhaust outlet is the circular hole of a diameter of 3-4mm.
5. the production mould of rubber according to claim 1, it is characterised in that：The Second-Type intracavitary symmetric position
It is provided at least two exhaust outlets.
6. the production mould of rubber according to claim 5, it is characterised in that：Symmetrical position outside second cavity
It puts and is provided at least two exhaust outlets.
7. the method for rubber is prepared using the production mould of rubber described in claim 1-6, it is characterised in that：Including
Following steps：
(1) cope plate and the lower template are molded, the first rubber glue that the first sizing material injecting hole injection is kneaded
Material vulcanizes 3-5 minutes, obtains rubber crude product；Sealing ring is installed in the sealing ring cavity；
(2) bleeding point in the lower template is connected into vacuum pump, vacuumized 1-2 minutes, the rubber in the step (1)
Crude product continues sulfidization molding, obtains rubber.
8. the method according to claim 7 for preparing rubber, it is characterised in that：It is sealed described in the step (1)
The preparation method of circle is to mold the cope plate and the lower template, is kneaded from the second sizing material injecting hole injection
Second rubber size through sulfidization molding, obtains the sealing ring.
9. the method according to claim 7 for preparing rubber, it is characterised in that：The temperature of vulcanization in the step (1)
It spends for 120-170 DEG C, atmospheric pressure vulcanization.
10. the method according to claim 7 for preparing rubber, it is characterised in that：It is vacuumized in the step (2)
Vacuum degree is 10-200Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038833.5A CN108044878A (en) | 2018-01-16 | 2018-01-16 | A kind of production mould of rubber and the method for preparing rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038833.5A CN108044878A (en) | 2018-01-16 | 2018-01-16 | A kind of production mould of rubber and the method for preparing rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108044878A true CN108044878A (en) | 2018-05-18 |
Family
ID=62126786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810038833.5A Pending CN108044878A (en) | 2018-01-16 | 2018-01-16 | A kind of production mould of rubber and the method for preparing rubber |
Country Status (1)
| Country | Link |
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| CN (1) | CN108044878A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076954A (en) * | 2019-03-27 | 2019-08-02 | 嘉科（安徽）密封技术有限公司 | A kind of processing method of clutch seal closure |
| CN110774510A (en) * | 2019-11-05 | 2020-02-11 | 徐州徐工精密工业科技有限公司 | Four-station rapid forming stamping die |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431103A (en) * | 2011-12-20 | 2012-05-02 | 厦门市金汤橡塑有限公司 | Mould for bonding rubber layer on plastic assembly and manufacturing method applying same |
| CN207915930U (en) * | 2018-01-16 | 2018-09-28 | 厦门市金汤橡塑有限公司 | A kind of production mould of rubber product |
-
2018
- 2018-01-16 CN CN201810038833.5A patent/CN108044878A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431103A (en) * | 2011-12-20 | 2012-05-02 | 厦门市金汤橡塑有限公司 | Mould for bonding rubber layer on plastic assembly and manufacturing method applying same |
| CN207915930U (en) * | 2018-01-16 | 2018-09-28 | 厦门市金汤橡塑有限公司 | A kind of production mould of rubber product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076954A (en) * | 2019-03-27 | 2019-08-02 | 嘉科（安徽）密封技术有限公司 | A kind of processing method of clutch seal closure |
| CN110774510A (en) * | 2019-11-05 | 2020-02-11 | 徐州徐工精密工业科技有限公司 | Four-station rapid forming stamping die |
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