CN201989306U - Variable temperature injection moulding mould in intelligent section mould - Google Patents
Variable temperature injection moulding mould in intelligent section mould Download PDFInfo
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- CN201989306U CN201989306U CN201120075106XU CN201120075106U CN201989306U CN 201989306 U CN201989306 U CN 201989306U CN 201120075106X U CN201120075106X U CN 201120075106XU CN 201120075106 U CN201120075106 U CN 201120075106U CN 201989306 U CN201989306 U CN 201989306U
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- mould
- die
- temperature injection
- lower bolster
- forming mold
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Abstract
The utility model discloses a variable temperature injection moulding mould in an intelligent section mould, which comprises an upper mould board, a lower mould board and a mould insert, wherein the mould insert is arranged in a mould cavity formed by the upper mould board and the lower mould board; the variable temperature injection moulding mould further comprises a water transportation pipeline, a temperature sensing control system, a high-pressure cold and hot water control cabinet and a control machine table, wherein the water transportation pipeline is arranged between the mould insert and the lower mould board; and the temperature sensing control system is arranged in the mould, the high-pressure cold and hot water control cabinet is communicated with the water transportation pipeline and the control machine table respectively, and the temperature sensing control system is communicated with the control machine table. Through adopting the variable temperature injection moulding mould, the difficult problems that a moulded plastic part is easy to generate weld marks, stress marks and low glossiness and out-of-flatness of the external surface of a product can be effectively solved, the scrappage rate of the product is reduced, the moulding period of the product is shortened, the use of raw materials is reduced, the external surface and the luminous effect of a finished product are greatly upgraded, the application prospects are extensive, the variable temperature injection moulding mould is applicable to various types of the injection moulding moulds with requirements on the appearances of the products, and the market competiveness of a company is further enhanced.
Description
Technical field
The utility model relates to a kind of injection forming mold, specifically relates to a kind of injection forming mold that can carry out intelligent alternating temperature in mould, belongs to the mould design field.
Background technology
Along with improving constantly of living standard, people's aesthetic standards are also in continuous lifting, plasthetics is seen everywhere in the middle of daily life, the mode that all is the injection mo(u)lding of pattern tool mostly processes, and to how just can process allow the satisfied product of people this be the theme of studying in the industry always, this each company is begun sight is put into the structural design of new injection mold and advanced person's injection molding process, in the hope of the yield rate of assurance goods and the aesthetic property of finished product.
And the plastic that traditional injection forming mold is produced is very easy to produce weld mark, stress trace, the product appearance surface gloss is low and the irregular problem of product surface, and the common way of improving the problems referred to above is: 1, use the high-speed molding board, this kind mode can not be eliminated joint line fully; 2, adopt heating rod heating die face product rubber alloy place, but the product surface luminosity inequality that this kind mode is produced; 3, use the high temperature die heater, this kind mode molding cycle is long, and the product buckling deformation is serious; 4, by the back processing procedure product is carried out polishing, this kind way has increased production process, has increased cost, and production efficiency is low; 5, carry out spray treatment at the product appearance place and cover the moulding plastic in the hope of picking up, but can increase back processing procedure cost, the spraying top layer can influence outward appearance if any coming off in the product use.
Summary of the invention
In order to solve deficiency of the prior art, the utility model provides a kind of fineness and flatness that can effectively improve product surface, and can not produce weld mark, stress trace, can the intelligent pattern of buckling deformation yet in the alternating temperature injection forming mold.
In order to achieve the above object, the technical scheme that the utility model adopted is:
Alternating temperature injection forming mold in a kind of intelligent pattern, comprise cope match-plate pattern, lower bolster and die, wherein, die is arranged in the die cavity of cope match-plate pattern and lower bolster formation, it is characterized in that, also comprise fortune water lines, temperature-sensitive control system, cold high pressure hot water switch board and control board, wherein, the fortune water lines is arranged between die and the lower bolster, the temperature-sensitive control system then is arranged in the mould, and above-mentioned cold high pressure hot water switch board is communicated with fortune water lines and control board respectively, and the temperature-sensitive control system then is communicated with the control board.
Alternating temperature injection forming mold in the described intelligent pattern, it is characterized in that, described fortune water lines is arranged on the die face 8 ~ 10mm place of top, glue position apart from lower bolster, and the four sides is symmetrical arranged, distance between the adjacent fortune water lines is 15mm, and the aperture of described fortune water lines is 6mm, and the surface roughness of hole medial surface is greater than Ra0.8.
Alternating temperature injection forming mold in the described intelligent pattern is characterized in that, also is provided with the air discharge duct of whole circle on the inboard of described cope match-plate pattern and lower bolster and the die joint in the outside, and wherein the degree of depth of air discharge duct is 0.012mm.
Alternating temperature injection forming mold in the described intelligent pattern is characterized in that, forms heat dam at the downward 0.1mm of reduction of die face part of described lower bolster.
Alternating temperature injection forming mold in the described intelligent pattern is characterized in that described temperature-sensitive control system is provided with three groups, is separately positioned between the die face of fortune water lines and lower bolster, by the product cast gate and the joint line posetionof weld
The beneficial effects of the utility model are:
1, strengthens the regiospecific of plastic cement molecule, eliminated the goods internal stress;
2, plastic material in mould during filling firing rate increase and reduce moulding and penetrate pressure and make product be able to moulding easily;
3, the flowability of plastic material in mould reaches optimum state during moulding, effectively avoids the generation of joint line;
4, cooling and shaping prevents buckling deformation behind the product stripping greatly in the mould;
5, can reach highlighted of high light after the formed product;
6, flow passage system reduces to reduce raw-material use amount;
7, the minimizing mould molding cycle reduces production costs;
In sum: the utility model efficiently solves the moulding plastic and is easy to generate the low irregular difficult problem of weld mark, stress trace and product appearance surface gloss, reduced the subscription rate rate of product, reduce the formed product cycle, reduce raw-material use, finished product appearance surfaces and luminosity effect are greatly improved, its application prospect is extensive, and being suitable for all kinds ofly has the injection forming mold of requirement to product appearance, has strengthened company's market and has striven power unexpectedly.
Description of drawings
Fig. 1 is the structural representation of fortune water lines on the lower bolster described in the utility model;
Fig. 2 is the structural representation of air discharge duct on the lower bolster described in the utility model;
Fig. 3 is the structural representation of heat dam on the lower bolster described in the utility model.
Main Reference numeral implication is among the figure:
1, fortune water lines 2, die 3, air discharge duct 4, heat dam.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the structural representation of fortune water lines on the lower bolster described in the utility model.
As shown in Figure 1: alternating temperature injection forming mold in the intelligent pattern, comprise cope match-plate pattern, the lower bolster (not shown), die 2, fortune water lines 1, air discharge duct 3, heat dam 4, temperature-sensitive control system 5, cold high pressure hot water switch board and control board, wherein, die 2 is arranged in the die cavity of template formation, fortune water lines 1 is arranged in the die 2, in the present embodiment, fortune water lines 1 is arranged on the die face 8 ~ 10mm place of top, glue position apart from die 2, and the four sides is symmetrical arranged, distance between the adjacent fortune water lines 1 is 15mm, and its aperture is 6mm, the surface roughness of hole medial surface is less than or equal to Ra0.8, temperature-sensitive control system 5 then is arranged in the mould, and above-mentioned cold high pressure hot water switch board is communicated with fortune water lines 1 and control board simultaneously, temperature-sensitive control system 5 then is communicated with the control board, in the present embodiment, temperature-sensitive control system 5 is provided with three groups, be separately positioned on 4mm place under the die face of transporting water lines 1 and die 3, product cast gate next door and joint line posetionof weld, from then on the mold temperature at three places is understood the demand that the palpus TG of moulding material institute is ordered that whether reaches.
Fig. 2 is the structural representation of air discharge duct on the die described in the utility model.
As shown in Figure 2: the inboard of die 2 and the die joint in the outside are provided with the air discharge duct 3 of whole circle, and wherein the degree of depth of air discharge duct 3 is 0.012mm, so that the gas of clamping behind die 2 matched moulds is discharged.
Fig. 3 is the structural representation of heat dam on the die 2 described in the utility model.
As shown in Figure 3: the die face part of above-mentioned lower bolster 3 reduces 0.1mm downwards and forms heat dam 4, avoids the high temperature in the die 2 to pass ripple on template as much as possible.
The course of work of the present utility model is: after die 2 is good by the plastic rubber material filling, by the temperature-sensitive control system 5 of installing in the mould temperature data is sent to the control board, control board control cold high pressure hot water switch board transfers hot water to cold water and enters fortune water lines 1, product is cooled off in mould rapidly prevent to produce buckling deformation behind the product stripping.
When the cope match-plate pattern of formed product injection mold and lower bolster 3 separately eject product, the control board starts cold high pressure hot water switch board once more and transfers cold water to injection moulding that high-temperature water enters fortune water lines 1 a beginning new round, the cycle of whole moulding has been improved the operating efficiency of injection mold greatly in 25 ~ 30 seconds.
The steel of mould described in the utility model select for use condition to be: steel processing is convenient, heat treatment performance and surperficial texture. and the polishing characteristic must be up to standard, i.e. S136 heat treatment stiffened is to HRC50-54.And the steel of die 2 need to do electroslag remelting before processing, solidify the attitude microscopic structure to improve steel, reduce S wherein, oxious components such as P.
In addition, mould bases will thicken 30% than conventional mould, prevent that mould steel is out of shape under high-temperature work environment, and to insert movable parts such as broken part, sliding accessory, thimble actual add man-hour except that reserve normal free gap other must add the mould parts that 3/10000 thermal expansivity coefficient prevents the damage of steel expansion at high temperature activity.
In the present embodiment, the surperficial Throwing light of die 2 is to more than the 3000#, be that the mold glue plane does not have tool mark, the surface roughness of fortune water hole medial surface is less than or equal to Ra0.8, and use the interior cold and hot water route of alternating temperature of the intelligent mould that in good time to regulate and control when moulding, die surface to be heated to the TG point of target material, promptly according to different material characters with material from crystallization temperature to more than the softening temperature spot, the visual weldless trace of the product that molds, low stress, glossiness is more than 90, after finishing, injection moulding arbitrarily regulates and control the water route temperature by cold high pressure hot water switch board (external), rapidly mold temperature is controlled, shortening the molding cycle of goods, so can effectively avoid die steel when moulding because of moment high low temperature drop generate internal stress and cause crackle to produce.Technical scheme described in the utility model has solved the moulding plastic and has been easy to generate the low irregular difficult problem of weld mark, stress trace and product appearance surface gloss, and application prospect is extensive, is suitable for all kinds of injection forming molds.
Foregoing basic principle of the present utility model and principal character and advantage of the present utility model; the technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. alternating temperature injection forming mold in the intelligent pattern, comprise cope match-plate pattern, lower bolster and die, wherein, die is arranged in the die cavity of cope match-plate pattern and lower bolster formation, it is characterized in that, also comprise fortune water lines, temperature-sensitive control system, cold high pressure hot water switch board and control board, wherein, the fortune water lines is arranged between die and the lower bolster, the temperature-sensitive control system then is arranged in the mould, and above-mentioned cold high pressure hot water switch board is communicated with fortune water lines and control board respectively, and the temperature-sensitive control system then is communicated with the control board.
2. alternating temperature injection forming mold in the intelligent pattern according to claim 1 is characterized in that, described fortune water lines is arranged on the die face 8 ~ 10mm place of top, glue position apart from lower bolster, and is symmetrical arranged on four sides, and the distance between the adjacent fortune water lines is 15mm.
3. alternating temperature injection forming mold in the intelligent pattern according to claim 2 is characterized in that the aperture of described fortune water lines is 6mm, and the surface roughness of hole medial surface is less than or equal to Ra0.8.
4. alternating temperature injection forming mold in the intelligent pattern according to claim 1 is characterized in that, also is provided with the air discharge duct of whole circle on the inboard of described cope match-plate pattern and lower bolster and the die joint in the outside.
5. alternating temperature injection forming mold in the intelligent pattern according to claim 1 is characterized in that the degree of depth of described air discharge duct is 0.012mm.
6. alternating temperature injection forming mold in the intelligent pattern according to claim 1 is characterized in that, forms heat dam at the downward 0.1mm of reduction of die face part of described lower bolster.
7. alternating temperature injection forming mold in the intelligent pattern according to claim 1 is characterized in that described temperature-sensitive control system is provided with three groups, is separately positioned between the die face of fortune water lines and lower bolster, by the product cast gate and the joint line posetionof weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120075106XU CN201989306U (en) | 2011-03-21 | 2011-03-21 | Variable temperature injection moulding mould in intelligent section mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120075106XU CN201989306U (en) | 2011-03-21 | 2011-03-21 | Variable temperature injection moulding mould in intelligent section mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201989306U true CN201989306U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120075106XU Expired - Fee Related CN201989306U (en) | 2011-03-21 | 2011-03-21 | Variable temperature injection moulding mould in intelligent section mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201989306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152447A (en) * | 2011-03-21 | 2011-08-17 | 凯达电子(昆山)有限公司 | Intelligent intra-die variable temperature injection forming die |
| CN103707472A (en) * | 2013-12-06 | 2014-04-09 | 台州市黄岩炜大塑料机械有限公司 | Plastic pipe die product outward ejection mechanism |
-
2011
- 2011-03-21 CN CN201120075106XU patent/CN201989306U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152447A (en) * | 2011-03-21 | 2011-08-17 | 凯达电子(昆山)有限公司 | Intelligent intra-die variable temperature injection forming die |
| CN102152447B (en) * | 2011-03-21 | 2013-09-04 | 凯达电子(昆山)有限公司 | Intelligent intra-die variable temperature injection forming die |
| CN103707472A (en) * | 2013-12-06 | 2014-04-09 | 台州市黄岩炜大塑料机械有限公司 | Plastic pipe die product outward ejection mechanism |
| CN103707472B (en) * | 2013-12-06 | 2016-02-10 | 台州市黄岩炜大塑料机械有限公司 | Plastic pipe die product outward ejection mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20150321 |
|
| EXPY | Termination of patent right or utility model |