CN103737862A - Half-exposed framework half-packaged rubber oil seal die and sealing method - Google Patents
Half-exposed framework half-packaged rubber oil seal die and sealing method Download PDFInfo
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- CN103737862A CN103737862A CN201310734925.4A CN201310734925A CN103737862A CN 103737862 A CN103737862 A CN 103737862A CN 201310734925 A CN201310734925 A CN 201310734925A CN 103737862 A CN103737862 A CN 103737862A
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- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
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- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
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- 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
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- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14122—Positioning or centering articles in the mould using fixed mould wall projections for centering the insert
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a half-exposed framework half-packaged rubber oil seal die and a sealing method. The existing half-exposed framework oil seal die structure in China at present has defects. The half-exposed framework half-packaged rubber oil seal die comprises a set of snap springs installed on a die carrier; the die carrier comprises an upper die part, a middle die part and a lower die part; a framework is positioned on the side dent of the lower die part; the side dent is a side dent structure arranged on the lower die part, and is used for radially positioning the framework to prevent the framework from radial movement; the lower plane of the framework is attached to the upper plane of the lower die part and used for axially positioning the framework to prevent the framework from axial movement and ensure the framework to seal here; the sealing rubber is cambered or striped and is pressed on the middle die part; the die is sealed from top to bottom; the splitting positions of the die are arranged at points A, B, C and D; in the vulcanizing molding process, the point D of the die is an air outlet; and the upper die is connected with an upper die core through the snap springs. The half-exposed framework oil seal die device provided by the invention has the advantages of simple structure and low cost, and is convenient to operate and use.
Description
technical field:
the present invention relates to field of machining, be specifically related to a kind of half outer concealed framework half rubber coating oil-tight mould and glue sealing method.
background technology:
there is following defect in the mould structure for current domestic existing half exposed framework oil seal: the structure that 1, mould structure is upper and lower two-layer template, the shortcoming of this structure is that sizing material can flow through sealing point position before mould matched moulds, cause product external diameter and inner plane to bore glue, do not meet product requirement.2, product in process of production percent defective up to 30%.
there is following defect in the mould of existing half exposed framework oil seal: (1) product external diameter bores glue.Before mould matched moulds, the sealing point place of skeleton does not push down, and in matched moulds process, sizing material can flow through sealing point under pressure, causes product external diameter to bore glue phenomenon, causes very difficult moulding in product sulfidation.(2) mould does not design exhaust structure, and sizing material produces gas and can not discharge in time when pressure current downflow, can produce sulfuration at product surface and print.(3) product inwall bores glue.Upper mould piece fails to push down with skeleton place, therefore sizing material can get out from here, causes the excessive glue of product, affects product appearance, is also a kind of waste simultaneously, causes normally moulding of product.Therefore this kind of oil-tight mould structure do not guaranteed formed product.
summary of the invention:
the object of this invention is to provide a kind of half outer concealed framework half rubber coating oil-tight mould and glue sealing method, this device has overcome the deficiency in prior art, and simple in structure, with low cost, easy for operation.
the object of the present invention is achieved like this:
a kind of half outer concealed framework half rubber coating oil-tight mould, its composition comprises: be arranged on one group of jump ring on mould bases, described mould bases comprises upper mould piece, middle module, lower module, described skeleton is located at the limit of lower module and carves on tooth, it is that toothing is carved on the limit, place that lower module is established that tooth is carved on described limit, tooth radial location skeleton is carved on described limit, prevents radially vibration of skeleton; Plane laminating on described skeleton lower plane and lower module, axial location skeleton, prevents skeleton axial motion, and guarantees that skeleton is in this sealing; The sizing material of described sealing is circular arc or strip, is pressed on middle module, and mould closes sternly from top to bottom, and mould parting position is located at A, B, C, D everywhere, and during sulfidization molding, mould is exhaust outlet at D place, and patrix connects upper mold core by jump ring.
half described outer concealed framework half rubber coating oil-tight mould, described jump ring comprises jump ring I, jump ring II, jump ring III, jump ring IV, described jump ring I one end is connected with mould bases plate, the other end is connected with described lower module; Described jump ring II one end is connected with described mould bases plate, the other end is connected with upper mould piece; Described jump ring III one end is connected with core piece, the other end is connected with described upper mould piece; Described jump ring IV one end is connected with described mould bases plate, the other end is connected with middle module.
half described outer concealed framework half rubber coating oil-tight mould, described sealing is that module first compresses with skeleton sealing point A, the Q place of lower module and skeleton compresses, on described middle module, circumference uniform distribution direction is put crescent sizing material, sizing material flows from top to bottom, sizing material enters from external diameter, finally flows to the Q place of sealing point A place and skeleton, effectively prevents that sizing material from flowing out from sealing point; The undirected upper impulsive force of sizing material after exhaust, described skeleton can not be out of shape in vibration displacement, guarantees the sealing of product.
a kind of half-and-half glue sealing method of outer concealed framework half rubber coating oil sealing of above-mentioned mould that utilizes, its step comprises: jump ring and template frame are connected, carve on tooth on the limit that skeleton is placed in to lower module, middle module and lower module first close sternly, after sizing material is placed on middle module position, matched moulds order is patrix, middle mould, counterdie; In matched moulds process, patrix passes to middle module by pressure, middle module and lower module close sternly and push down at skeleton sealing point place, three layers of template are closed sternly gradually, the mobile front mold sealing point of sizing material first kills, and guarantees the good sealing of product, moulding, sizing material flows under pressure from top to bottom, in the sealing point front mold of flowing through, closed sternly, on lower module, designed exhaust passage, guaranteed that sizing material produces gas and can discharge in time from counterdie in flow process.
described mould is the glue sealing method of outer concealed framework half rubber coating oil sealing half-and-half, the described concrete annexation that jump ring is connected with template frame is: jump ring I one end is connected with mould bases plate, the other end is connected with lower module, jump ring II one end is connected with mould bases plate, the other end is connected with upper mould piece, jump ring III one end is connected with core piece, the other end is connected with upper mould piece, and jump ring IV one end is connected with mould bases plate, the other end is connected with middle module;
carve on tooth on the limit that skeleton is placed in to lower module, and it is that toothing is carved on the limit, place that lower module is established that tooth is carved on limit, and radial location skeleton, prevents radially vibration of skeleton;
plane laminating on skeleton lower plane and lower module, axial location skeleton, prevents skeleton axial motion, and guarantees that skeleton is in this sealing;
sizing material E is made as circular arc or strip is pressed on middle module, mould closes sternly from top to bottom, now middle module first compresses with skeleton sealing point A, lower module and skeleton compress at Q place, sizing material flows from top to bottom, sizing material enters the Q place that finally flows to sealing point A and skeleton from external diameter, effectively prevent that sizing material from flowing out from sealing point, mould parting position is located at A, B, C, D everywhere, during sulfidization molding, mould, in the exhaust of D place, prevents that sizing material from getting out from the Q of skeleton when refluxing, the undirected upper impulsive force of sizing material after exhaust, skeleton can not be out of shape in vibration displacement, guarantees the sealing of product.
beneficial effect:
1. carve on tooth on the limit that the present invention is placed in lower module by skeleton, and middle mould and counterdie first close sternly, after sizing material is placed on middle module position, matched moulds is sequentially patrix, middle mould, counterdie.In matched moulds process, patrix passes to middle module by pressure, and middle module and lower module close sternly and push down at skeleton sealing point place, and three layers of template are closed sternly gradually.Sizing material flows under pressure from top to bottom, in the sealing point front mold of flowing through, has closed sternly, on lower module, designs exhaust passage, guarantees that sizing material produces gas and can discharge in time from counterdie in flow process, has solved product sulfuration seal problem.
the mobile front mold sealing point of sizing material first kills in addition, guarantees the good sealing of product, moulding; After product sulfidization molding, patrix, core rod, jump ring b, jump ring b separate with counterdie, jump ring f, mould bases plate g, product because of in module product external diameter glue sealing structure and skeleton to have pressure amount be downward active force, and patrix while separating with middle mould the downward pressure of product be greater than the enclasping force of product to core rod, so product is stayed in middle mould, recruitment is pretended for plane on product, exert oneself from top to bottom, product will be release, deviate from.
after product of the present invention is release, stay on middle mould, can product be taken out from top to bottom by frock, while having avoided product depanning, owe skin phenomenon.Mould die sinking order be patrix first with in, counterdie disengagement, in, counterdie pulls out from equipment by chain transmission, after by stripper plate, middle mould is separation with counterdie, then by special tooling, product is taken out from top to bottom.While having avoided product depanning, shearing force is excessive, and rubber and skeleton bonding portion rubber are cut off, and causes product to owe skin.
patrix of the present invention guarantees before sizing material flows, sealing point to be pushed down, and core rod is used for axial location skeleton, and middle mould makes product stay this mould, is convenient to take out, and counterdie radial location skeleton, prevents radially vibration guarantee formed product of skeleton.
mould of the present invention is three layers of formwork structure, and before sizing material flows, middle mould is first pushed down skeleton external diameter sealing point A and the inner sealing point Q of skeleton place, and sizing material flows and can not make skeleton vibration under pressure, has effectively guaranteed that sizing material does not overflow from sealing point.
the effect that chi is carved on limit of the present invention is radial location skeleton, prevents radially vibration of skeleton.
sizing material of the present invention flows from top to bottom at pressure-acting, flowing to before sealing point 14 and 15, skeleton compresses at 14 places with middle mould, skeleton and counterdie compress at 15 places, lower module is offered steam vent, the gas producing when sizing material is flowed is from top to bottom discharged in time, avoids forming sulfuration at product surface and prints, and guarantees that product is complete release.
in before sizing material of the present invention flows, mould is first pushed down skeleton external diameter sealing point and the inner sealing point of skeleton, has effectively guaranteed that sizing material does not overflow from seal point.
design of Dies exhaust structure of the present invention is guaranteed when sizing material flows from top to bottom not reflux, and product there will not be the defects such as glue of overflowing.
after product of the present invention is release, stay middle mould, by special tooling, product is taken out from top to bottom.While having avoided product depanning, shearing force is excessive, and rubber is separation with skeleton.
carve on tooth on the limit that the present invention is placed in lower module by skeleton, and it is that toothing is carved on the limit, place that lower module is established that tooth is carved on limit, and radial location skeleton, prevents radially vibration of skeleton; Plane laminating on skeleton lower plane and lower module, axial location skeleton, prevents skeleton axial motion, and guarantees that skeleton is in this sealing.Sizing material is made as circular arc or strip is pressed on middle module, mould closes sternly from top to bottom, now middle module first compresses with skeleton sealing point A, lower module 15 compresses at 13 places with skeleton, sizing material flows from top to bottom, sizing material enters 13 places that finally flow to sealing point A and skeleton I from external diameter, effectively prevent that sizing material from flowing out from sealing point.Mould parting position is located at A, B, C, D everywhere, and during sulfidization molding, mould, in the exhaust of D place, prevents that sizing material from getting out from 13 of skeleton when refluxing, the undirected upper impulsive force of sizing material after exhaust, and skeleton can not be out of shape in vibration displacement, guarantees the sealing of product.
the depressed structure of module designing and arranging under the present invention, guarantees when sizing material flows the bubble of generation to discharge in time from top to bottom, at product surface, does not form sulfuration and prints.
accompanying drawing explanation:
fig. 1 is structural principle schematic diagram of the present invention;
fig. 2 is mould sulfidization molding pre-structure principle schematic of the present invention;
fig. 3 is structural principle schematic diagram after mold releasability of the present invention;
fig. 4 is the structural principle schematic diagram of prior art mould;
fig. 5 is prior art mould sulfidization molding pre-structure principle schematic;
fig. 6 is structural principle schematic diagram after prior art mold releasability.
the specific embodiment:
embodiment 1:
a kind of half outer concealed framework half rubber coating oil-tight mould, its composition comprises: be arranged on one group of jump ring on mould bases, described mould bases comprises upper mould piece 1, middle module 3, lower module 4, described skeleton is located at the limit of lower module and carves on tooth, it is the structure that lower module is provided with limit tooth 16 at quarter that tooth is carved on described limit, tooth radial location skeleton is carved on described limit, prevents radially vibration of skeleton; Plane laminating on described skeleton lower plane and lower module, axial location skeleton, prevents skeleton axial motion, and guarantees that skeleton is in this sealing; The sizing material of described sealing is circular arc or strip, is pressed on middle module, and mould closes sternly from top to bottom, and mould parting position is located at A, B, C, D everywhere, and during sulfidization molding, mould is exhaust outlet at D place, and patrix connects upper mold core 2 by jump ring.
embodiment 2:
half outer concealed framework half rubber coating oil-tight mould described in embodiment 1, described jump ring comprises jump ring I, jump ring II, jump ring III, jump ring IV, described jump ring I one end is connected with mould bases plate, the other end is connected with described lower module; Described jump ring II one end is connected with described mould bases plate, the other end is connected with upper mould piece; Described jump ring III one end is connected with core piece, the other end is connected with described upper mould piece; Described jump ring IV one end is connected with described mould bases plate, the other end is connected with middle module.
described mould bases comprises: upper mould piece 1, middle module 3, lower module 4, described upper mould piece 1 connects upper mold core 2 by jump ring I 5, upper mould piece 1 is equipped with jump ring II 6, described jump ring II 6 connection mode frame plates 9, described middle module 3 is equipped with jump ring III 7, described jump ring III 7 connection mode frame plates 10, described counterdie 4 is equipped with jump ring IV 8, described jump ring IV 8 connection mode frame plates 11, described counterdie 4 has limit and carves chi 16, steam vent 17, pendulum on tooth 16 is carved on described limit skeleton 12, counterdie has sealing point h14, i15, on described middle module 3, circumference uniform distribution direction is put crescent sizing material, described sizing material flow to sealing point j14 and k15 from top to bottom at pressure-acting.
carve on tooth 16 on the limit that skeleton 12 is placed in to lower module 4, the effect that chi 16 is carved on limit is radial location skeleton, prevent radially vibration of skeleton, then middle module 3 closes sternly with lower module 4 under mould bases plate 10 drives, and sizing material 13 can be made crescent and be placed in by circumference uniform distribution direction the Q point of middle module 3--illustrate on 13 positions; Upper mould part 1, middle module 3, lower module 4 close from top to bottom sternly under the drive of mould bases plate, pressurization, sizing material 13 flows from top to bottom at pressure-acting, flowing to before sealing point 11 and 15, skeleton 12 compresses at 14 places with middle module 3, skeleton 12 compresses at 15 places with lower module 4, and lower module 4 is offered steam vent.
embodiment 3:
according to half outer concealed framework half rubber coating oil-tight mould described in embodiment 1 or 2, described sealing is that module first compresses with skeleton sealing point A, the Q place of lower module and skeleton compresses, on described middle module, circumference uniform distribution direction is put crescent sizing material, sizing material flows from top to bottom, sizing material enters from external diameter, finally flows to the Q place of sealing point A place and skeleton, effectively prevents that sizing material from flowing out from sealing point; The undirected upper impulsive force of sizing material after exhaust, described skeleton can not be out of shape in vibration displacement, guarantees the sealing of product.
embodiment 4:
according to the half-and-half glue sealing method of outer concealed framework half rubber coating oil sealing of the mould described in embodiment 1 or 2 or 3, its step comprises: jump ring and template frame are connected, it is characterized in that: carve on tooth on the limit that skeleton is placed in to lower module, middle module and lower module first close sternly, after sizing material is placed on middle module position, matched moulds order is patrix, middle mould, counterdie; In matched moulds process, patrix passes to middle module by pressure, middle module and lower module close sternly and push down at skeleton sealing point place, three layers of template are closed sternly gradually, the mobile front mold sealing point of sizing material first kills, and guarantees the good sealing of product, moulding, sizing material flows under pressure from top to bottom, in the sealing point front mold of flowing through, closed sternly, on lower module, designed exhaust passage, guaranteed that sizing material produces gas and can discharge in time from counterdie in flow process.
embodiment 5:
the glue sealing method of the mould of half described exposed framework oil seal, its step comprises: jump ring and template frame are connected, carve on tooth 16 on the limit that skeleton 12 is placed in to lower module 4, middle module 3 lower module 4 under mould bases plate 10 drives first closes sternly, sizing material 13 can be made crescent and put by circumference uniform distribution direction, after sizing material is placed on middle module position, matched moulds order is patrix, middle mould, counterdie; In matched moulds process, patrix passes to middle module by pressure, middle module and lower module close sternly and push down at skeleton sealing point place, three layers of template are closed sternly gradually, the mobile front mold sealing point of sizing material first kills, guarantee the good sealing of product, moulding, sizing material flows under pressure from top to bottom, in the sealing point front mold of flowing through, closed sternly, on lower module, design exhaust passage, the gas producing when sizing material is flowed from top to bottom in matched moulds is discharged in time, avoids forming sulfuration at product surface and prints, and guarantees that product is complete release.
the glue sealing method of the mould of half described exposed framework oil seal connects jump ring concrete annexation with template frame is: jump ring I one end is connected with mould bases plate, the other end is connected with lower module, jump ring II one end is connected with mould bases plate, the other end is connected with upper mould piece, jump ring III one end is connected with core piece, the other end is connected with upper mould piece, and jump ring IV one end is connected with mould bases plate, the other end is connected with middle module;
carve on tooth on the limit that skeleton is placed in to lower module, and it is that toothing is carved on the limit, place that lower module is established that tooth is carved on limit, and radial location skeleton, prevents radially vibration of skeleton;
plane laminating on skeleton lower plane and lower module, axial location skeleton, prevents skeleton axial motion, and guarantees that skeleton is in this sealing;
sizing material E is made as circular arc or strip is pressed on middle module, mould closes sternly from top to bottom, now middle module first compresses with skeleton sealing point A, lower module and skeleton compress at Q place, sizing material flows from top to bottom, sizing material enters the Q place that finally flows to sealing point A and skeleton from external diameter, effectively prevent that sizing material from flowing out from sealing point, mould parting position is located at A, B, C, D everywhere, during sulfidization molding, mould, in the exhaust of D place, prevents that sizing material from getting out from the Q of skeleton when refluxing, the undirected upper impulsive force of sizing material after exhaust, skeleton can not be out of shape in vibration displacement, guarantees the sealing of product.
Claims (5)
1. one and half outer concealed framework half rubber coating oil-tight moulds, its composition comprises: be arranged on one group of jump ring on mould bases, it is characterized in that: described mould bases comprises upper mould piece, middle module, lower module, described skeleton is located at the limit of lower module and carves on tooth, described limit is carved the limit that tooth is lower module and is carved toothing, tooth radial location skeleton is carved on described limit, prevents radially vibration of skeleton; Plane laminating on described skeleton lower plane and lower module, axial location skeleton, prevents skeleton axial motion, and guarantees that skeleton is in this sealing; The sizing material of described sealing is circular arc or strip, is pressed on middle module, and mould closes sternly from top to bottom, and mould parting position is located at A, B, C, D everywhere, and during sulfidization molding, mould is exhaust outlet at D place, and patrix connects upper mold core by jump ring.
2. half outer concealed framework half rubber coating oil-tight mould according to claim 1, is characterized in that: described jump ring comprises jump ring I, jump ring II, jump ring III, jump ring IV, and described jump ring I one end is connected with mould bases plate, the other end is connected with described lower module; Described jump ring II one end is connected with described mould bases plate, the other end is connected with upper mould piece; Described jump ring III one end is connected with core piece, the other end is connected with described upper mould piece; Described jump ring IV one end is connected with described mould bases plate, the other end is connected with middle module.
3. half outer concealed framework half rubber coating oil-tight mould according to claim 1 and 2, it is characterized in that: described sealing is that module first compresses with skeleton sealing point A, the Q place of lower module and skeleton compresses, on described middle module, circumference uniform distribution direction is put crescent sizing material, sizing material flows from top to bottom, sizing material enters from external diameter, finally flows to the Q place of sealing point A place and skeleton, effectively prevents that sizing material from flowing out from sealing point; The undirected upper impulsive force of sizing material after exhaust, described skeleton can not be out of shape in vibration displacement, guarantees the sealing of product.
4. one kind is utilized the half-and-half glue sealing method of outer concealed framework half rubber coating oil sealing of the described mould of one of claim 1 or 2 or 3, its step comprises: jump ring and template frame are connected, it is characterized in that: carve on tooth on the limit that skeleton is placed in to lower module, middle module and lower module first close sternly, after sizing material is placed on middle module position, matched moulds order is patrix, middle mould, counterdie; In matched moulds process, patrix passes to middle module by pressure, middle module and lower module close sternly and push down at skeleton sealing point place, three layers of template are closed sternly gradually, the mobile front mold sealing point of sizing material first kills, and guarantees the good sealing of product, moulding, sizing material flows under pressure from top to bottom, in the sealing point front mold of flowing through, closed sternly, on lower module, designed exhaust passage, guaranteed that sizing material produces gas and can discharge in time from counterdie in flow process.
5. the half-and-half glue sealing method of outer concealed framework half rubber coating oil sealing of mould according to claim 4, it is characterized in that: the described concrete annexation that jump ring is connected with template frame is: jump ring I one end is connected with mould bases plate, the other end is connected with lower module, jump ring II one end is connected with mould bases plate, the other end is connected with upper mould piece, jump ring III one end is connected with core piece, the other end is connected with upper mould piece, and jump ring IV one end is connected with mould bases plate, the other end is connected with middle module;
Carve on tooth on the limit that skeleton is placed in to lower module, and it is that toothing is carved on the limit, place that lower module is established that tooth is carved on limit, and radial location skeleton, prevents radially vibration of skeleton;
Plane laminating on skeleton lower plane and lower module, axial location skeleton, prevents skeleton axial motion, and guarantees that skeleton is in this sealing;
Sizing material E is made as circular arc or strip is pressed on middle module, mould closes sternly from top to bottom, now middle module first compresses with skeleton sealing point A, lower module and skeleton compress at Q place, sizing material flows from top to bottom, sizing material enters the Q place that finally flows to sealing point A and skeleton from external diameter, effectively prevent that sizing material from flowing out from sealing point, mould parting position is located at A, B, C, D everywhere, during sulfidization molding, mould, in the exhaust of D place, prevents that sizing material from getting out from the Q of skeleton when refluxing, the undirected upper impulsive force of sizing material after exhaust, skeleton can not be out of shape in vibration displacement, guarantees the sealing of product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310734925.4A CN103737862A (en) | 2013-12-27 | 2013-12-27 | Half-exposed framework half-packaged rubber oil seal die and sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310734925.4A CN103737862A (en) | 2013-12-27 | 2013-12-27 | Half-exposed framework half-packaged rubber oil seal die and sealing method |
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| CN103737862A true CN103737862A (en) | 2014-04-23 |
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|---|---|---|---|
| CN201310734925.4A Withdrawn CN103737862A (en) | 2013-12-27 | 2013-12-27 | Half-exposed framework half-packaged rubber oil seal die and sealing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370540A (en) * | 2016-10-06 | 2017-02-01 | 磐石油压工业(安徽)有限公司 | Rubber oil seal cold/hot testing machine |
| CN106671362A (en) * | 2016-11-25 | 2017-05-17 | 西安航空动力控制科技有限公司 | Mold of double-lip wide leather cup bush assembly and molding method of mold |
| CN108973030A (en) * | 2018-09-28 | 2018-12-11 | 安徽宁国中鼎模具制造有限公司 | A kind of modified oil sealing class mold |
| CN109465990A (en) * | 2018-11-27 | 2019-03-15 | 安徽库伯密封技术有限公司 | A kind of exposed reinforced seal ring mould of modified |
| CN112848128A (en) * | 2021-02-04 | 2021-05-28 | 哈尔滨东安实业发展有限公司 | Clutch piston vulcanization molding die |
-
2013
- 2013-12-27 CN CN201310734925.4A patent/CN103737862A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370540A (en) * | 2016-10-06 | 2017-02-01 | 磐石油压工业(安徽)有限公司 | Rubber oil seal cold/hot testing machine |
| CN106671362A (en) * | 2016-11-25 | 2017-05-17 | 西安航空动力控制科技有限公司 | Mold of double-lip wide leather cup bush assembly and molding method of mold |
| CN108973030A (en) * | 2018-09-28 | 2018-12-11 | 安徽宁国中鼎模具制造有限公司 | A kind of modified oil sealing class mold |
| CN108973030B (en) * | 2018-09-28 | 2023-09-15 | 安徽宁国中鼎模具制造有限公司 | Improved oil seal mold |
| CN109465990A (en) * | 2018-11-27 | 2019-03-15 | 安徽库伯密封技术有限公司 | A kind of exposed reinforced seal ring mould of modified |
| CN109465990B (en) * | 2018-11-27 | 2021-09-10 | 安徽库伯密封技术有限公司 | Improved exposed framework sealing ring mold |
| CN112848128A (en) * | 2021-02-04 | 2021-05-28 | 哈尔滨东安实业发展有限公司 | Clutch piston vulcanization molding die |
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Application publication date: 20140423 |