CN106671362A - Mold of double-lip wide leather cup bush assembly and molding method of mold - Google Patents
Mold of double-lip wide leather cup bush assembly and molding method of mold Download PDFInfo
- Publication number
- CN106671362A CN106671362A CN201611054552.6A CN201611054552A CN106671362A CN 106671362 A CN106671362 A CN 106671362A CN 201611054552 A CN201611054552 A CN 201611054552A CN 106671362 A CN106671362 A CN 106671362A
- Authority
- CN
- China
- Prior art keywords
- leather cup
- template
- mould
- charging
- bush assembly
- 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
- 239000010985 leather Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000000465 moulding Methods 0.000 title claims abstract description 9
- 238000004073 vulcanization Methods 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 16
- 238000004026 adhesive bonding Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000005987 sulfurization reaction Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000004513 sizing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 238000005486 sulfidation Methods 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
-
- 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
-
- 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
-
- 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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C2045/0077—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping removing burrs or flashes
-
- 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
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
-
- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3076—Aircrafts
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a mold of a double-lip wide leather cup bush assembly and a molding method of the mold. The mold comprises a pad block, a lower mold plate, a middle mold plate, a feeding block and a plunger mold plate; the middle mold plate is arranged on the lower mold plate, the feeding block is arranged on the middle mold plate, a mold core is embedded in the middle of the upper mold plate, a feeding cavity is formed in the feeding block, the feeding cavity is communicated with a leather cup molding cavity through a pouring gate, a plunger matched with the feeding cavity is arranged on the plunger mold plate, and a guide limiting device is arranged between the middle mold plate and the feeding block. The coating quality is improved, the manual operation influence is reduced, various quality problems in the vulcanization processing process of a wide leather cup can be solved, and the part yield is improved.
Description
Technical field
The invention belongs to rubber processing technology field, and in particular to one kind improves aviation lips width leather cup bushing group
The mould and its forming method of part quality.
Background technology
Aviation width leather cup bushing combination part is combined by metal lining inner surface sulfuration lips rubber cup, its pair
, easily there is air pit, lack material phenomenon in lip leather cup rubber thickness, section width and complex structure in sulfuration process；Sleeve member surface
There is through hole, pressure release is easily caused in sulfidation, make rubber layer surface serious current mark occur.Since production, product is qualified
Rate is paid to military products production task and causes very big puzzlement less than 30%.Solution lips width skin is not clearly given in all kinds of documents
The bad effective way of bowl crudy, also can use for reference without mature experience, seriously govern production qualification rate.
Using molding die process technique when existing lips width leather cup bush assembly is molded, specific implementation step is：It is right first
Metal lining carries out blast and cleaning pretreatment, then uniformly applies one layer of heat vulcanization type adhesive on skeleton surface, finally will
Rubber strip is put in sulfurizing mould die cavity after being wrapped at bushing gluing carries out sulfidization molding.The process has the disadvantage that：
1) sleeve surface coating area complex structure, metalwork is pre-processed before and after gluing, the bushing endoporus of gluing and
Step easily wraps up bubble, brushing and does not fit and the difficult volatilization of glue, affects part adhesion；
2) process that rubber strip is wound on bushing belongs to manual operations, easily applies hand perspiration, impurity, greasy dirt adhering liners
Glue and rubber strip surface, affect the adhesion between bushing and rubber；
3) sulfidization molding process rubber is heated and is changed into viscous state, is flowed in tight, totally enclosed mold cavity
Uneven and easily wrap up gas, piece surface shows as bubble, lacks material, current mark after shaping.
The content of the invention
The present invention provides one kind and improves gluing quality to solve above-mentioned technical problem present in background technology, reduces
Manual operations affects, and solves wide leather cup various quality problems in sulfuration process, improves the lips width skin of part qualification rate
The mould and its forming method of bowl bush assembly.
The present invention technical solution be：The present invention is a kind of mould of lips width leather cup bush assembly, and it is special
It is in place of different：The mould includes that cushion block, lower template, middle template, charging block, plunger template, middle template are arranged in lower template,
Charging block is arranged in middle template, and upper die plate middle part is inlaid with core, and charging chamber is provided with charging block, and charging chamber passes through running channel
Connect with leather cup forming cavity, the plunger being adapted with charging chamber is provided with plunger template, be provided between middle template, charging block
Guide position limiter.
Above-mentioned charging chamber is annular, and plunger corresponds to annular.
Above-mentioned running channel is 6, is distributed on the centre of charging block.
Above-mentioned charging block is to be fastenedly connected with core.
Above-mentioned backing plate and lower template are connected by screws tighten, there is three connections between backing plate, lower template and middle template
Dumping pit.
Above-mentioned guide position limiter includes the big guide pillar and little guide pillar being arranged in plunger template, in middle template and charging block
The position of the big guide pillar of correspondence and little guide pillar is respectively arranged with the big guide pillar chamber that is adapted with big guide pillar and little guide pillar shape and little leads
Post chamber.
A kind of forming method of the mould using above-mentioned lips width leather cup bush assembly, it is characterized in that：
The method is comprised the following steps：
1) blast and cleaning pretreatment are carried out to metal lining, the part for cleaning up is in the work equipped with far infrared lamp
Hang on platform 20~30 minutes, drying in latter 1 hour carries out gluing；
2) one layer of heat vulcanization type adhesive is uniformly applied on metal lining skeleton surface, then by the metal lining after gluing
It is positioned in pallet with the clamping of bamboo tweezers, and is together positioned over and vacuumizes in drying box, 50 DEG C ± 5 DEG C of vaporization temperature, vacuum
Spend for 0.5KPa, pumpdown time 20min；
3) elastomeric material weight used by lips width leather cup bush assembly is calculated, cutting length is consistent with leather cup outer perimeter, weight
Measure the rubber strip for 1.2 times of pure leather cup glue-line；
4) metal lining is placed in the die cavity of mould, charging block is installed, the rubber strip of cutting is positioned over into charging
In the charging chamber of block, plunger template is installed, mould is positioned over into sulfuration lathe carries out sulfidization molding.
Above-mentioned steps 4) after also include step 5) remove residual hair at the sprue channel opens of piece surface Φ 1 and at die joint
Side.
The present invention vacuumizes process and improves gluing quality by hanging to carrying out far infrared before part gluing after gluing,
Simultaneously the present invention improves forming process feed way by the mould structure with charging chamber, reduces manual operations to wide leather cup class
Part adhesion and surface quality affect, and the invention can be applied to band skeleton thickness rubber.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the running channel distribution schematic diagram of presently preferred embodiments of the present invention.
1- backing plates, 2- lower templates, template in 3-, 4- charging blocks, 5- plunger templates, the little guide pillars of 6-, the big guide pillars of 7-, 8- types
Core, 9- metal linings, 10- screws, 11- charging chambers, 12- plungers, 13- running channels, 14- cavitys, 15- unloads nib, the shaping of 16- leather cups
Chamber.
Specific embodiment
Referring to Fig. 1, the present invention includes that backing plate 1, lower template 2, middle template 3, charging block 4, plunger template 5, lower template 2 are arranged
On backing plate 1, charging block 4 is arranged in middle template 3, and the middle part of charging block 4 is inlaid with core 8, is provided with the charging block 4 and adds
Material chamber 11, charging chamber 11 is connected with leather cup forming cavity 16 by running channel 13, is provided with plunger template 5 and is adapted with charging chamber 11
Plunger 12, middle template 3, charging block 4, be provided with guide position limiter between plunger template 5.Charging chamber 11 be annular, post
Plug 12 corresponds to annular.During charging, sizing material bar is put into annular charging chamber 11, the circle being adapted with charging chamber 11 by shape
Annular plunger 12 presses downwards, applies pressure uniform.The core of the charging correspondence core 8 of block 4 is cavity 14.Cavity 14 is favourable
Leather cup is molded the discharge of intracavity gas in extrusion process.Lower template 2 is provided between middle template 3 and backing plate 1, under leather cup
The shaping of lip.Wherein backing plate 1 and lower template 2 are connected by screws tighten, there is three between backing plate 1, lower template 2 and middle template 3
What is connected unloads nib 15, can aid in carrying out part mould unloading.Guide position limiter includes the big guide pillar 7 being arranged in plunger template 5
With little guide pillar 6, the position of the big guide pillar 7 of correspondence and little guide pillar 6 is respectively arranged with and big guide pillar 7 and little in middle template 3 and charging block 4
Big guide pillar chamber and little guide pillar chamber that the shape of guide pillar 6 is adapted.In extrusion process, big guide pillar 7 and little guide pillar 6, along big guide pillar chamber
It is descending with little guide pillar chamber, rise and be oriented to and position-limiting action, it is ensured that uniform force.
Referring to Fig. 2, in a preferred embodiment of the present invention, running channel 13 is 6, under being distributed on annular charging chamber 11
Side.
During pressure injection, metal lining 9 is placed in middle template 3, sizing material bar is put into into charging chamber 11, sizing material bar is in charging chamber
It is heated in 11 and is changed into viscous state, when vulcanizer flat board is descending, by pressure transmission to the plunger 12 in plug template 5, to viscous state
Rubber is extruded, and rubber is entered in leather cup forming cavity 16 by 6 of the lower section of charging chamber 11 running channels 13 of Φ 1 being evenly distributed,
Gas in leather cup forming cavity 16 is emptied from top to bottom and is filled rubber, it is to avoid parcel gas；And each running channel 13 is arranged in a mold
Cloth is uniform, it is ensured that sizing material distribution everywhere and the uniformity for flowing, and reduces starved, the generation of current mark phenomenon.Wherein, running channel 13
The design of size and number is to realize that sizing material smoothly injects in leather cup forming cavity 16 and will not cause the key of pressure release.
The present invention also provides a kind of forming method of the mould of utilization lips width leather cup bush assembly, and the method includes
Following steps：
1) blast and cleaning pretreatment are carried out to metal lining, the part for cleaning up is in the work equipped with far infrared lamp
Hang on platform 20~30 minutes, drying in latter 1 hour carries out gluing；
2) one layer of heat vulcanization type adhesive is uniformly applied on metal lining skeleton surface, then by the metal lining after gluing
It is positioned in pallet with the clamping of bamboo tweezers, and is together positioned over and vacuumizes in drying box, 50 DEG C ± 5 DEG C of vaporization temperature, vacuum
Spend for 0.5KPa, pumpdown time 20min；
3) elastomeric material weight used by lips width leather cup bush assembly is calculated, cutting length is consistent with leather cup outer perimeter, weight
Measure the rubber strip for 1.2 times of pure leather cup glue-line；
4) metal lining is placed in the die cavity of mould, charging block is installed, the rubber strip of cutting is positioned over into charging
In the charging chamber of block, plunger template is installed, mould is positioned over into sulfuration lathe carries out sulfidization molding；
5) residual burr at the sprue channel opens of piece surface Φ 1 and at die joint is removed.
Claims (8)
1. a kind of mould of lips width leather cup bush assembly, it is characterised in that：The mould includes cushion block, lower template, middle mold
Plate, charging block, plunger template, the middle template are arranged in lower template, and the charging block is arranged in middle template, the upper mould
Plate middle part is inlaid with core, and charging chamber is provided with the charging block, and the charging chamber is connected by running channel with leather cup forming cavity,
The plunger being adapted with charging chamber is provided with the plunger template, between the middle template, charging block guide and limit is provided with
Device.
2. the mould of lips width leather cup bush assembly according to claim 1, it is characterised in that：The charging chamber is
Annular, the plunger corresponds to annular.
3. the mould of lips width leather cup bush assembly according to claim 2, it is characterised in that：The running channel is 6
It is individual, it is distributed on the centre of charging block.
4. the mould of lips width leather cup bush assembly according to claim 3, it is characterised in that：It is described charging block with
Core is to be fastenedly connected.
5. the mould of lips width leather cup bush assembly according to claim 4, it is characterised in that：The backing plate is with
Template is connected by screws tighten, the dumping pit for having three connections between the backing plate, lower template and middle template.
6. the mould of the lips width leather cup bush assembly according to claim 1 to 5 any claim, its feature exists
In：The guide position limiter includes the big guide pillar and little guide pillar being arranged in plunger template, in the middle template and charging block
The position of the big guide pillar of correspondence and little guide pillar is respectively arranged with the big guide pillar chamber that is adapted with big guide pillar and little guide pillar shape and little leads
Post chamber.
7. a kind of forming method of the mould of the lips width leather cup bush assembly described in utilization claim 1, its feature exists
In：The method is comprised the following steps：
1) blast and cleaning pretreatment are carried out to metal lining, the part for cleaning up is on the workbench equipped with far infrared lamp
Hang 20~30 minutes, drying in latter 1 hour carries out gluing；
2) one layer of heat vulcanization type adhesive is uniformly applied on metal lining skeleton surface, then the metal lining after gluing is used into bamboo
Tweezers clamping is positioned in pallet, and is together positioned over and is vacuumized in drying box, 50 DEG C ± 5 DEG C of vaporization temperature, and vacuum is
0.5KPa, pumpdown time 20min；
3) elastomeric material weight used by lips width leather cup bush assembly is calculated, cutting length is consistent with leather cup outer perimeter, weight is
The rubber strip of 1.2 times of pure leather cup glue-line；
4) metal lining is placed in the die cavity of mould, charging block is installed, the rubber strip of cutting is positioned over into charging block
In charging chamber, plunger template is installed, mould is positioned over into sulfuration lathe carries out sulfidization molding.
8. the forming method of lips width leather cup bush assembly according to claim 7, it is characterised in that：The step 4) it
Also include step 5 afterwards) remove residual burr at the sprue channel opens of piece surface Φ 1 and at die joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054552.6A CN106671362A (en) | 2016-11-25 | 2016-11-25 | Mold of double-lip wide leather cup bush assembly and molding method of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054552.6A CN106671362A (en) | 2016-11-25 | 2016-11-25 | Mold of double-lip wide leather cup bush assembly and molding method of mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106671362A true CN106671362A (en) | 2017-05-17 |
Family
ID=58867212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611054552.6A Pending CN106671362A (en) | 2016-11-25 | 2016-11-25 | Mold of double-lip wide leather cup bush assembly and molding method of mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106671362A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819073A (en) * | 2018-07-03 | 2018-11-16 | 南京华腾汽配有限公司 | If the compression tool of strip structure |
| CN111136862A (en) * | 2020-01-06 | 2020-05-12 | *** | Rubber part embedding device that moulds plastics |
| CN112590093A (en) * | 2020-11-25 | 2021-04-02 | 贵州红阳机械有限责任公司 | Die for end cover part pressing process and application |
| CN115042376A (en) * | 2022-06-30 | 2022-09-13 | 陕西法士特齿轮有限责任公司 | Die for single-cone bonding expansion sleeve bonding and using method |
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2016
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819073A (en) * | 2018-07-03 | 2018-11-16 | 南京华腾汽配有限公司 | If the compression tool of strip structure |
| CN111136862A (en) * | 2020-01-06 | 2020-05-12 | *** | Rubber part embedding device that moulds plastics |
| CN112590093A (en) * | 2020-11-25 | 2021-04-02 | 贵州红阳机械有限责任公司 | Die for end cover part pressing process and application |
| CN115042376A (en) * | 2022-06-30 | 2022-09-13 | 陕西法士特齿轮有限责任公司 | Die for single-cone bonding expansion sleeve bonding and using method |
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Application publication date: 20170517 |
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