CN203805250U - Mold with circulating cooling water system - Google Patents
Mold with circulating cooling water system Download PDFInfo
- Publication number
- CN203805250U CN203805250U CN201420215282.2U CN201420215282U CN203805250U CN 203805250 U CN203805250 U CN 203805250U CN 201420215282 U CN201420215282 U CN 201420215282U CN 203805250 U CN203805250 U CN 203805250U
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- China
- Prior art keywords
- cooling water
- cover half
- template
- mould
- dynamic
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a mold with a circulating cooling water system. The mold comprises a needle valve in a fixed mold part, and a movable mold part, wherein the needle valve comprises a hot nozzle, a main runner, a branch runner, and a nozzle arranged at the tail end of the branch runner, as well as a heating pipe and a heating block; the fixed mold part comprises a thermal baffle, a fixed mold seat plate and a fixed mold template; the movable mold part comprises a movable mold core and a movable mold template for fixing the movable mold core; an ejector rod is arranged inside the movable mold core; a cooling water chamber is arranged inside the fixed mold template, while a cooling water pipe is arranged inside the movable mold template; when the movable mold template is closed with the movable mold template, a fixed mold cavity is formed between the movable mold core and the fixed mold template; the nozzle is arranged on the upper part of the fixed mold cavity. The mold is capable of shortening the manufacturing period and improving the production efficiency; raw materials can be saved; the product is not drawn; the appearance of the product is improved; the production capacity and the service life of a complex-structure product are improved; the manufacturing process is controllable and accurate adjustment is realized.
Description
Technical field
The utility model relates to a kind of machine die, relates in particular to a kind of injection-molding phone shell, and has the mould of recirculating cooling water system.
Background technology
At present, the high speed development of China's plastics industry has proposed more and more higher requirement to mould industry.In the coming years, mould of plastics also will keep fair speed development.Mould is in industrial production, to use important equipment very widely, adopts mould article of manufacture and part, has production efficiency high, save material, series of advantages with low cost, to ensure the quality of products is important means and the main development direction during modern industry is produced.
The thickness of cover half and the processing capacity of cover half be large (except spring needle valve type nozzle) all, and systematic comparison complexity leaves the shortcoming of the aspects such as gate vestiges easily on product, but adopts after this system, can go out the product of the high-quality that output quality is not random.Hot road stream plate is connected with nozzle and injection machine, and the plastic melt of injection moulding molten condition is out diverted to each nozzle by adding hot runner manifold.Therefore, it not only has the strong point of high accuracy, high reliability, and on mould handling get up simple and unadorned convenient.In addition, the height dimension of this nozzle is larger, thereby has increased the manufacture capital of mould.
In TOP-TIP, there is the sprue gate of two kinds of forms: open and needle valve.Consequently, just to seem directly to touch the nozzle of injection machine the same for the water level that enters of goods, makes finished product in the time of the demoulding, sealed jet hole because of the effect of needle-valve, one or several mouth of a river of avoiding rising, thus produce without taking material.For common used cylinder needle valve type heat nozzle, in the process of itself and die assembly, in order to ensure to coordinate with the high accuracy (axiality) of the upper plate of cavity plate, runner plate, mould, the just essential machining accuracy that improves the corresponding cooperation of mould department.
Will be all the time in molten condition when injected plastics material in molten condition is being poured into a mould in addition, until this molten state injected plastics material is built to whole cover half die cavity, this just need to carry out heat control to the injected plastics material of this molten condition, not because carbonization, decomposition appear in excess Temperature, do not occur because temperature is too low not built yet.
Utility model content
The utility model provides a kind of mould with recirculating cooling water system for achieving the above object, and this mould has the hot runner system structure of needle valve, adopts the structure in " mould two chambeies ", the two-chip computer of injection moulding simultaneously member.
The utility model provides a kind of mould with recirculating cooling water system, comprise the needle-valve being fixed in cover half part and the dynamic model part of doing closed opening action with respect to cover half part, described needle-valve comprises the nozzle that hot mouth, sprue, runner, runner end arrange, and the heating tube and the heat block that respectively injected plastics material in sprue and runner are heated.
Wherein, described thermal insulation board center upper portion is provided with sprue gate, and this periphery, sprue gate is provided with centring ring, and described centring ring is for fixing the hot mouth of this needle-valve.
Wherein, the heating tube of described needle-valve and heat block temperature can be controlled, and the switch of described nozzle is controlled.
Described cover half part comprises thermal insulation board, jointly fixes top clamping plate, the cover half template of needle-valve with thermal insulation board.
Described dynamic model part comprises dynamic mould core, fixes the dynamic model template of this dynamic mould core, and the inside of described dynamic mould core is provided with push rod, and described push rod drives dynamic model componental movement; Described cover half template inside is provided with cooling water cavity, and described movable model intralamellar part is provided with cooling water pipe.
When described cover half part and dynamic model part are closed, between dynamic mould core and cover half template, form cover half die cavity, described nozzle is arranged on cover half die cavity top.
The structure of described cover half die cavity is identical with the phone housing shape of wanted moulding by casting.
Between described top clamping plate and cover half template, be also provided with gripper shoe, the cooling water cavity in described cover half template is arranged near of dynamic mould core and this cover half template joint portion.The below of described dynamic model template is disposed with push rod backing plate, push rod holder from top to bottom, the cooling water pipe of described movable model intralamellar part setting is arranged near dynamic mould core in S shape mode, and described push rod is fixed on push rod holder and runs through push rod backing plate and is arranged in dynamic mould core.
The beneficial effects of the utility model: the mould with recirculating cooling water system of the present utility model,
1, can shorten the process-cycle, improve and produce efficiency;
2, because replaced cold runner, can save a large amount of raw material;
3, without outstanding gate vestiges, there is no wire drawing phenomenon;
4, improved the outward appearance of product;
5, contribute to reduce product stress, reduce the fragility that deformation of products and structure cause, thereby improve making ability and the service life of complex structure product;
6, process is controlled, to Shooting Technique is carried out to accurate adjustment;
7, the restriction that not changed by injected plastics material;
8, increase circulating water cooling system, heat radiation is more uniformly provided, reduce raw-material carbonization and decomposition.
Brief description of the drawings
Below in conjunction with accompanying drawing, by detailed description of the invention of the present utility model is described in detail, will make the technical solution of the utility model and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the mould closing structure schematic diagram that the utlity model has recirculating cooling water system;
Fig. 2 is A-A ' the cross section structure schematic diagram that the utlity model has the stationary mould for mould template of recirculating cooling water system in Fig. 1;
Fig. 3 is B-B ' the cross section structure schematic diagram that the utlity model has the mould dynamic model mould plate of recirculating cooling water system in Fig. 1.
Drawing reference numeral:
1, cover half part; 11, thermal insulation board; 12, top clamping plate; 13, cover half template; 14, centring ring; 15, gripper shoe; 2, dynamic model part; 21, dynamic mould core; 22, dynamic model template; 23, push rod; 24, push rod backing plate; 25, push rod holder; 3, needle-valve; 31, Re Zui; 32, sprue; 33, runner; 34, nozzle; 35, heating tube; 36, heat block; 4, cover half die cavity; 5, cooling water cavity; 6, cooling water pipe.
Detailed description of the invention
Technological means and the effect thereof taked for further setting forth the utility model, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.
Consult Fig. 1, the utility model provides a kind of mould with recirculating cooling water system, comprise the needle-valve 3 being fixed in cover half part 1 and the dynamic model part 2 of doing closed opening action with respect to cover half part 1, described needle-valve 3 comprises the nozzle 34 that hot mouth 31, sprue 32, runner 33, runner 33 ends arrange, and heating tube 35 and the heat block 36 to sprue 32 and the interior injected plastics material heating of runner 33 respectively.
Wherein, described thermal insulation board 11 center upper portion are provided with sprue gate, and this periphery, sprue gate is provided with centring ring 14, and described centring ring 14 is for fixing the hot mouth 31 of this needle-valve 3.
Wherein, the heating tube 35 of described needle-valve 3 and heat block 36 temperature can be controlled, and the switch of described nozzle 34 is controlled.
Described cover half part 1 comprises thermal insulation board 11, top clamping plate 12, cover half template 13 with the common fixing needle-valves 3 of thermal insulation board 11.
Described cover half template 1 inside is provided with cooling water cavity 5, and described dynamic model template 2 inside are provided with cooling water pipe 6.
Described dynamic model part 2 comprises dynamic mould core 21, fixes the dynamic model template 22 of this dynamic mould core 2, and the inside of described dynamic mould core 21 is provided with push rod 23, and described push rod 23 drives dynamic model part 2 to move; When described cover half part 1 is closed with dynamic model part 2, between dynamic mould core 21 and cover half template 13, form cover half die cavity 4, described nozzle 34 is arranged on cover half die cavity 4 tops.
The structure of described cover half die cavity 4 is identical with the phone housing shape of wanted moulding by casting.
Between described top clamping plate 12 and cover half template 13, be also provided with gripper shoe 15, the cooling water cavity 5 in described cover half template 13 is arranged near of dynamic mould core 21 and these cover half template 13 joint portions.
The below of described dynamic model template 22 is disposed with push rod backing plate 24, push rod holder 25 from top to bottom, the inner cooling water pipe 6 arranging of described dynamic model template 22 is arranged near dynamic mould core 21 in S shape mode, and described push rod 23 is fixed on push rod holder 25 and runs through push rod backing plate 24 and is arranged in dynamic mould core 21.
When this mould with recirculating cooling water system completes injecting glue, when the demoulding, this dynamic model part 2 separates with cover half part 1 under the effect of push rod 23, and when separation, this nozzle is closed.The moulding forming in cover half die cavity 4 in addition departs from dynamic mould core 21, and the structure of this moulding is exactly the shape of the phone housing that will obtain.
Refer to Fig. 2 and Fig. 3, cooling water cavity 5 is arranged near dynamic mould core 21, and through whole cover half template 13, and when described dynamic mould core 21 has when multiple, this cooling water cavity 5 can also be arranged between several dynamic mould cores 21.
Water flow in unit interval in this cooling water cavity 5 directly affects the cooling of this dynamic mould core 21 and heat radiation, and from being poured into the length of demould time.
6 of described cooling water pipes have one, adopt near of S shape around multiple dynamic mould cores 21 in the time having multiple dynamic mould core 21.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model claim.
Claims (6)
1. one kind has the mould of recirculating cooling water system, comprise the needle-valve being fixed in cover half part and the dynamic model part of doing closed opening action with respect to cover half part, described needle-valve comprises the nozzle that hot mouth, sprue, runner, runner end arrange, and the heating tube and the heat block that respectively injected plastics material in sprue and runner are heated, it is characterized in that, described cover half part comprises thermal insulation board, jointly fixes top clamping plate, the cover half template of needle-valve with thermal insulation board; Described dynamic model part comprises dynamic mould core, fixes the dynamic model template of this dynamic mould core, and the inside of described dynamic mould core is provided with push rod, and described push rod drives dynamic model componental movement; Described cover half template inside is provided with cooling water cavity, and described movable model intralamellar part is provided with cooling water pipe; When described cover half part and dynamic model part are closed, between dynamic mould core and cover half template, form cover half die cavity, described nozzle is arranged on cover half die cavity top.
2. the mould with recirculating cooling water system according to claim 1, is characterized in that, described thermal insulation board center upper portion is provided with sprue gate, and this periphery, sprue gate is provided with centring ring, and described centring ring is for fixing the hot mouth of this needle-valve.
3. the mould with recirculating cooling water system according to claim 1, it is characterized in that, between described top clamping plate and cover half template, be also provided with gripper shoe, the cooling water cavity in described cover half template is arranged near of dynamic mould core and this cover half template joint portion.
4. according to the mould with recirculating cooling water system described in claim 1 or 2, it is characterized in that, the structure of described cover half die cavity is identical with the phone housing shape of wanted moulding by casting.
5. the mould with recirculating cooling water system according to claim 1, it is characterized in that, the below of described dynamic model template is disposed with push rod backing plate, push rod holder from top to bottom, the cooling water pipe of described movable model intralamellar part setting is arranged near dynamic mould core in S shape mode, and described push rod is fixed on push rod holder and runs through push rod backing plate and is arranged in dynamic mould core.
6. the mould with recirculating cooling water system according to claim 1, is characterized in that, the heating tube of described needle-valve and heat block temperature can be controlled, and the switch of described nozzle is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215282.2U CN203805250U (en) | 2014-04-29 | 2014-04-29 | Mold with circulating cooling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215282.2U CN203805250U (en) | 2014-04-29 | 2014-04-29 | Mold with circulating cooling water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805250U true CN203805250U (en) | 2014-09-03 |
Family
ID=51444052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420215282.2U Expired - Fee Related CN203805250U (en) | 2014-04-29 | 2014-04-29 | Mold with circulating cooling water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203805250U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859105A (en) * | 2015-04-03 | 2015-08-26 | 华南理工大学 | Hot-and-cold double-station rotary rapid heat cycle injection mould and moulding method |
| CN105128299A (en) * | 2015-09-22 | 2015-12-09 | 陈健愉 | Injection mold with water-cooling system |
| CN105479667A (en) * | 2015-11-18 | 2016-04-13 | 浙江凯隆精密机械有限公司 | Injection molding machine for machining luggage pull rod |
| CN114872257A (en) * | 2022-04-14 | 2022-08-09 | 宝鸡法士特齿轮有限责任公司 | Heating and cooling structure of lost foam mold |
-
2014
- 2014-04-29 CN CN201420215282.2U patent/CN203805250U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859105A (en) * | 2015-04-03 | 2015-08-26 | 华南理工大学 | Hot-and-cold double-station rotary rapid heat cycle injection mould and moulding method |
| CN105128299A (en) * | 2015-09-22 | 2015-12-09 | 陈健愉 | Injection mold with water-cooling system |
| CN105479667A (en) * | 2015-11-18 | 2016-04-13 | 浙江凯隆精密机械有限公司 | Injection molding machine for machining luggage pull rod |
| CN114872257A (en) * | 2022-04-14 | 2022-08-09 | 宝鸡法士特齿轮有限责任公司 | Heating and cooling structure of lost foam mold |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20190429 |