CN107052302B - Tin liquor squeezes preparation method of the manufacture without spue line tinwork - Google Patents
Tin liquor squeezes preparation method of the manufacture without spue line tinwork Download PDFInfo
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- CN107052302B CN107052302B CN201710240241.7A CN201710240241A CN107052302B CN 107052302 B CN107052302 B CN 107052302B CN 201710240241 A CN201710240241 A CN 201710240241A CN 107052302 B CN107052302 B CN 107052302B
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- China
- Prior art keywords
- silicon rubber
- tinwork
- rubber mould
- upper mold
- tin liquor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
Abstract
The invention discloses a kind of preparation method of the tin liquor extruding manufacture without spue line tinwork, comprising the following steps: step 1 makes master mold；Step 2 makes silicon rubber mould；Step 3 makes upper mold, middle gland, the lower die, tray to match with silicon rubber mould；The processing of step 4 tinwork；Silicon rubber mould preheats and sprays that be put into drag after release agent intracavitary；The type of silicon rubber mould is intracavitary to inject quantitative tin liquor；Middle gland downlink simultaneously compresses sealing lower die and silicon rubber mould；Upper mold downlink squeezes tin liquor, carries out pressure maintaining, tinwork extrusion forming after the completion of squeezing；Upper mold reset is first carried out, then gland resets in progress；Tray uplink simultaneously jacks up silicon rubber mould and tinwork, and tray downlink resets after demoulding；It blows in silicon rubber mould insertion tracheae suitable for reading, tinwork is made quickly to separate taking-up tinwork with silicon rubber mould.After adopting the above structure, have many advantages, such as that production and processing is convenient, work efficiency is high, good product quality, refine without spue line, shape.
Description
Technical field
The invention is related to a kind of tinwork manufacturing technology, especially a kind of to produce nothing using tin liquor extrusion manufacturing technology
The preparation method of spue line tinwork.
Background technique
Metallic tin is a kind of metal that quality is softer, and fusing point is lower, and plasticity is strong.Tinwork is a kind of traditional, graceful, China
Expensive, beautiful and practical metal handicrafts, mainly have tableware, drinking utensils, tea set, hold a memorial ceremony for tool, stationery, smoking set, coffee tool, vase and
Trophy, ornament etc..It, by leading complicated procedures of forming, is elaborated more using high-purity refined tin.Before more than 1,000 years just
Tealeaves is stored using the tea can that tin is made into, exports to Japan and one band of Southeast Asia, since the airtightness of tin is strong, is had splendid
It is freshness, it can persistently keep the delicious fragrance of tealeaves.The tinworks such as currently manufactured circle, polygon, abnormity generally pass through parting mould
Casting or die casting fabrication technique form, and due to the defect of parting mould, causing can not on each product of production and processing
Avoid there are spue line, the aesthetics and product specification for significantly impacting tinwork are promoted.In order to eliminate product spue line, no
It obtains and does not carry out sanding and polishing processing by hand, but be difficult to completely eliminate, processing working efficiency is low, and product quality cannot ensure.
How to eliminate tinwork spue line is industry urgent problem.For this purpose, many institutes, manufacturer and knowledgeable people
It is developed and is developed, but there has been no comparatively ideal manufacturing methods to emerge so far.
Summary of the invention
To overcome the above problem existing for existing tinwork manufacturing technology, the purpose of the invention is to provide a kind of production
It is easy to process, work efficiency is high, good product quality, refines magnificent tin liquor without spue line, shape and squeezes manufacture without spue line tin
The preparation method of product.
The invention solve above-mentioned technical problem used by technical solution, it the following steps are included:
Step 1 makes master mold, in master mold outer surface depiction；
Step 2 makes silicon rubber mould: covering upper cylinder sleeve on master mold, compression silicon rubber is filled up between master mold and cylinder sleeve, use
Film laminator carries out heating fluidisation, solidification, cooling after molding, removes cylinder sleeve, and abjection silicon rubber mould is spare from master mold, silicon rubber mould
Inner surface forms pattern corresponding with master mold；
Step 3 makes the upper mold, middle gland, the lower die, tray that match with silicon rubber mould, and by upper mold, middle gland, under
Mould, tray correspondence are mounted on special equipment；
The processing of step 4 tinwork；
1) silicon rubber mould preheats and sprays that be put into the drag matched after release agent intracavitary；
2) upper mold heater and the work of lower die heater starting, respectively heat upper die and lower die；
3) type of silicon rubber mould is intracavitary injects quantitative tin liquor；
4) gland downlink and sealing lower die and silicon rubber mould is compressed in；
5) upper mold positions downlink by middle gland centre bore and squeezes tin liquor, and preceding upper mold and middle gland seal in place, prevents tin
Liquid squeezes out；Upper mold heater stops heating work after in place, and the cooling chamber of upper mold starts the cycle over cooling, carries out after the completion of squeezing
Pressure maintaining, tinwork extrusion forming；
6) upper mold reset is first carried out, cooling chamber stops circulating cooling while upper mold resets；Then gland in carrying out
It resets；
7) tray uplink and silicon rubber mould and tinwork are jacked up, carries out mandatory demoulding；Stop while tray uplink
Lower die heater heating work, tray downlink resets after demoulding；
8) it blows in silicon rubber mould insertion tracheae suitable for reading, tinwork is made quickly to separate taking-up tinwork with silicon rubber mould.
The further scheme of the invention, the stream temperature of the silicon rubber mould control between 130-180 degree, when solidification
Between control at 1-3 hours.
The further scheme of the invention, the draft between the silicon rubber mould and cylinder sleeve and silicon rubber mould and lower die are oblique
Degree is greater than 2 degree.
The further scheme of the invention, the pressure of medium pressure lid are greater than the pressure of upper mold.
The preheating of the further scheme of the invention, the silicon rubber mould is greater than 40 degree.
The further scheme of the invention, the dwell time after the completion of the extruding control between -3 minutes 30 seconds.
The blow gas pressure of the further scheme of the invention, the silicon rubber mould insertion tracheae suitable for reading is greater than 0.8MPa.
It after above-mentioned preparation method, has the following advantages compared with the prior art and effect: first is that master mold substantially will not
Damage, can be used for a long time, and can repeat production silicon rubber mould using master mold, the production is simple and convenient for silicon rubber mould, speed is fast, raw
It produces at low cost.Second is that tin liquor extrusion process carries out in sealed states, squeeze-out phenomenon will not occur, production safety is reliable.Third is that
Using silicon rubber mould high temperature resistant, flexibility and the characteristic that elasticity is good, passes through tin liquor extrusion manufacturing technology and produce tinwork, production effect
Rate is high, and picture on surface demoulds simple and convenient, good product quality without spue line, and class is high.Fourth is that product will not deform, essence
Degree is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the invention special equipment.
Wherein 1 head, 2 upper mould oil cylinders, 3 gland oil cylinders, 4 top mold holders, 5 upper molds, 6 cooling chamber, 7 upper mold electric heaters, in 8
Gland, 9 silicon rubber moulds, 10 lower dies, 11 trays, 12 lower die electric heaters, 13 lower mold holders, 14 lower mold oil cylinders, 15 bases.
Specific embodiment
It is the specific reality that a kind of tin liquor of the invention squeezes preparation method of the manufacture without spue line tinwork shown in Fig. 1
Apply scheme, it the following steps are included:
Step 1 makes master mold, and in master mold outer surface depiction, pattern can be continuous pattern, such as Riverside Scene at the Pure Moon Festival.
Step 2 makes silicon rubber mould 9: upper cylinder sleeve is covered on master mold, the pattern draft of cylinder sleeve is 3.2 degree, in master mold and cylinder
Compression silicon rubber is filled up between set, carries out heating fluidisation, solidification with film laminator, at 160 degree, curing time is controlled for stream temperature control
It makes at 2 hours, it is cooling after molding, cylinder sleeve is removed, abjection silicon rubber mould is spare from master mold, and silicon rubber mould inner surface is formed and mother
The corresponding pattern of mould, silicon rubber mould require 600 degree of heatproof or more.
Step 3 makes upper mold 5, middle gland 8, lower die 10, tray 11, silicon rubber mould and the lower die to match with silicon rubber mould
Between pattern draft be 3.2 degree, upper mold 5 pass through top mold holder 4 be mounted on upper mould oil cylinder 2, upper mould oil cylinder 2 is mounted on head 1
On, middle gland 8 is mounted on head 1 by the gland oil cylinder 3 of two sides, and lower die 10 is mounted on base 15 by lower mold holder, support
Block 11 is mounted in the lower mold oil cylinder 14 of 13 lower section of lower mold holder.
The processing of step 4 tinwork；
1) silicon rubber mould 9 is preheated to 50 degree, is put into 10 type of lower die matched after 9 surface of silicon rubber mould sprays release agent
It is intracavitary；
2) upper mold heater 7 and lower die heater 12 start work, heat respectively to upper mold 5 and lower die 10；
3) type of silicon rubber mould 9 is intracavitary injects quantitative tin liquor；
4) gland 8 downlink and compresses sealing lower die 10 and silicon rubber mould 9 under the promotion of gland oil cylinder 3 in；
5) upper mold 5 positions downlink by middle 8 centre bore of gland under the promotion of upper mould oil cylinder 2 and squeezes tin liquor, is pressed into place
Preceding upper mold 5 is sealed with middle gland 8, prevents tin liquor from squeezing out；Upper mold heater 7 stops heating work, the cooling chamber of upper mold 5 after in place
Room 6 starts the cycle over cooling, carries out pressure maintaining after the completion of squeezing, and dwell time control was at 1 minute, tinwork extrusion forming；
6) after extrusion forming, upper mold 5 is resetted by upper mould oil cylinder 2 first, and cooling chamber 6 stops while upper mold 5 resets
Only circulating cooling；After upper mold 5 resets, then pass through the reset of gland 8 in the progress of gland oil cylinder 3；
7) after gland 8 resets in, tray 11 uplink and jacks up silicon rubber mould 9 and tinwork under the promotion of lower mold oil cylinder 14,
Carry out mandatory demoulding；Stop 12 heating work of lower die heater while 11 uplink of tray, tray 11 is in lower die after demoulding
Oil cylinder 14 drives lower downlink to reset；
8) blown in the insertion tracheae suitable for reading of silicon rubber mould 9 using the compressed air of 1.2 MPa, make tinwork quickly with
Tinwork is taken out in the separation of silicon rubber mould 9.
In order to guarantee that middle gland 8 is not jacked up in production process, the pressure of medium pressure lid 8 is greater than the pressure of upper mold 5,
The pressure of middle gland 8 is 1.6 MPa, and the pressure of upper mold 5 is 1.0 MPa.
The above, only the specific embodiment of the invention, not makes in any form the invention
Limitation, on the basis of not departing from the technical solution of the invention, made simple modification, equivalent variations or modification are fallen
Enter the protection scope of the invention.
Claims (4)
1. a kind of tin liquor squeezes preparation method of the manufacture without spue line tinwork, comprising the following steps:
Step 1 makes master mold, in master mold outer surface depiction；
Step 2 makes silicon rubber mould: covering upper cylinder sleeve on master mold, compression silicon rubber is filled up between master mold and cylinder sleeve, uses press mold
Machine carries out heating fluidisation, solidification, cooling after molding, removes cylinder sleeve, and abjection silicon rubber mould is spare from master mold, table in silicon rubber mould
Face forms pattern corresponding with master mold；
Step 3 makes the upper mold, middle gland, the lower die, tray that match with silicon rubber mould, and by upper mold, middle gland, lower die, support
Block correspondence is mounted on special equipment；
The processing of step 4 tinwork；
1) silicon rubber mould preheats and sprays that be put into the drag matched after release agent intracavitary；
2) upper mold heater and the work of lower die heater starting, respectively heat upper die and lower die；
3) type of silicon rubber mould is intracavitary injects quantitative tin liquor；
4) gland downlink and sealing lower die and silicon rubber mould is compressed in；
5) upper mold positions downlink by middle gland centre bore and squeezes tin liquor, and preceding upper mold and middle gland seal in place, prevents tin liquor from squeezing
Out；Upper mold heater stops heating work after in place, and the cooling chamber of upper mold starts the cycle over cooling, is protected after the completion of squeezing
Pressure, the pressure of middle gland are greater than the pressure of upper mold, and the dwell time controls the tinwork extrusion forming between -3 minutes 30 seconds；
6) upper mold reset is first carried out, cooling chamber stops circulating cooling while upper mold resets；Then gland resets in carrying out；
7) tray uplink and silicon rubber mould and tinwork are jacked up, carries out mandatory demoulding；Stop lower die while tray uplink
Heater heating work, tray downlink resets after demoulding；
8) it blows in silicon rubber mould insertion tracheae suitable for reading, tinwork is made quickly to separate taking-up tinwork, silicon rubber with silicon rubber mould
The blow gas pressure of mould insertion tracheae suitable for reading is greater than 0.8MPa.
2. tin liquor according to claim 1 squeezes preparation method of the manufacture without spue line tinwork, it is characterized in that: the silicon
The stream temperature of rubber pattern controls between 130-180 degree, and curing time control was at 1-3 hours.
3. tin liquor according to claim 1 squeezes preparation method of the manufacture without spue line tinwork, it is characterized in that: the silicon
Pattern draft between rubber pattern and cylinder sleeve and silicon rubber mould and lower die is greater than 2 degree.
4. tin liquor according to claim 1 squeezes preparation method of the manufacture without spue line tinwork, it is characterized in that: the silicon
The preheating of rubber pattern is greater than 40 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240241.7A CN107052302B (en) | 2017-04-13 | 2017-04-13 | Tin liquor squeezes preparation method of the manufacture without spue line tinwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240241.7A CN107052302B (en) | 2017-04-13 | 2017-04-13 | Tin liquor squeezes preparation method of the manufacture without spue line tinwork |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052302A CN107052302A (en) | 2017-08-18 |
| CN107052302B true CN107052302B (en) | 2019-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710240241.7A Active CN107052302B (en) | 2017-04-13 | 2017-04-13 | Tin liquor squeezes preparation method of the manufacture without spue line tinwork |
Country Status (1)
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60244456A (en) * | 1984-05-19 | 1985-12-04 | Minoru Suzuki | Production of metallic product |
| EP0225523B1 (en) * | 1985-11-30 | 1989-11-15 | Akio Nakano | Molding die for use in casting |
| CN1061608C (en) * | 1997-05-01 | 2001-02-07 | 福州金得利工艺品有限公司 | Technology for making larger hollow metal art and craft articles |
| JP3921513B2 (en) * | 2002-04-17 | 2007-05-30 | 株式会社木村工業 | Molding apparatus and mold unit used therefor |
| CN101486072A (en) * | 2009-02-10 | 2009-07-22 | 谷伟 | Tin inlay mold and method for producing tin inlay technique pattern |
| CN203526359U (en) * | 2013-11-20 | 2014-04-09 | 惠州市源宝精密五金压铸有限公司 | Joint-line-free mold structure for zinc alloy square buckles |
| CN104841908B (en) * | 2015-05-20 | 2017-01-04 | 中北大学 | A kind of Compound Extrusion casting method of aluminium alloy annulus |
| CN105665624B (en) * | 2016-01-14 | 2017-12-05 | 大余县东宏锡制品有限公司 | A kind of method that mould is made of silica gel |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation method of tin products without clamping line manufactured by tin liquid extrusion Effective date of registration: 20221124 Granted publication date: 20190215 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jinhua Yongkang sub branch Pledgor: ZHEJIANG RONGSHENGDA TIN PRODUCTS Co.,Ltd. Registration number: Y2022330003143 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |