CN203765916U - Rapid cooling injection mold - Google Patents
Rapid cooling injection mold Download PDFInfo
- Publication number
- CN203765916U CN203765916U CN201420049099.XU CN201420049099U CN203765916U CN 203765916 U CN203765916 U CN 203765916U CN 201420049099 U CN201420049099 U CN 201420049099U CN 203765916 U CN203765916 U CN 203765916U
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- CN
- China
- Prior art keywords
- mold
- water
- injection mold
- heat cycle
- pipe
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 abstract description 27
- 229920003023 plastic Polymers 0.000 abstract description 27
- 238000001746 injection moulding Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000008236 heating water Substances 0.000 abstract 5
- 238000010791 quenching Methods 0.000 abstract 5
- 230000000171 quenching effect Effects 0.000 abstract 5
- 239000000498 cooling water Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920001944 Plastisol Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004999 plastisol Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
Abstract
The utility model relates to the technical field of molds and in particular relates to a rapid cooling injection mold. The rapid cooling injection mold comprises a mold body, wherein a mold cavity is formed in the mold body; the mold body is further provided with a quenching and heating water path structure; the quenching and heating water path structure surrounds around a joint line area of the mold cavity and comprises a pressing plate, an insert and a water delivery pipe; the insert is provided with a water path groove; the water delivery pipe is communicated with the water path groove; the insert is clamped between the pressing plate and the joint line area; the quenching and heating water path structure is formed around the joint line area. The temperature of water delivered in the quenching and heating water path structure can be timely adjusted by combining with a plastic part injection molding process, and the mold cavity is respectively heated and cooled by utilizing the quenching and heating water path structure, so that a phenomenon that a joint line is generated on the surface of a plastic part is effectively eliminated, the plastic part cooling time is shortened, the processing efficiency is improved, and the rapid cooling injection mold has the advantages of simple structure and low production cost.
Description
Technical field
The utility model relates to technical field of mold, particularly a kind of when speed cooling injection mold.
background technology
When mold injection, plastisol injects the mold cavity of mold base through the runner of different directions from multiple cast gates, when flowing to, plastisol connects when place, due to mold cavity internal temperature inequality, the intersection of two strands of molten plastics can not merge completely, cause plastic rubber member surface to produce obvious joint line, not only affect the outward appearance of plastic parts, and cause plastic parts product easily to rupture.
Along with the structure of plastic parts becomes increasingly complex, in order to inject the plastic parts without joint line, cooling seamless Shooting Technique while conventionally needing to adopt speed, takes Fast Heating, quick cooling method to mold cavity.For this reason, in mould, need to install electrical bar and offer cooling water channel.In prior art, handlebar electrical bar template and cooling water channel template are divided into the injection mold of two templates, also have the injection mold of electrical bar template and cooling water channel template being made to a template.Increase electrical bar at the obvious position of joint line, need after die trial, determine its position, the heat-conducting cream cost of use is higher, causes the cost repairing a die to increase.In addition, the injection mold of the prior art utilize heater, cooling device heat respectively, cooling, device structure complexity, production cost is high.
Utility model content
It is a kind of simple in structure that the purpose of this utility model is to provide for the deficiencies in the prior art, the low and cooling injection mold can effectively eliminate plastic rubber member surface joint line fast time of production cost.
For achieving the above object, the utility model adopts following technical scheme.
Provide a kind of when speed cooling injection mold, comprise die ontology, die ontology offers mold cavity, described die ontology is also provided with rapid heat cycle waterway structure, rapid heat cycle waterway structure is around the joint line region of described mold cavity, and described rapid heat cycle waterway structure comprises pressing plate, mold insert and water-supply-pipe, and described mold insert offers water route groove, described water-supply-pipe is communicated with described water route groove, and described mold insert is located between described pressing plate and described joint line region.
Wherein, described mold insert is provided with at least two water proof projections, and at least two water proof projections enclose and form described water route groove.
Wherein, described mold insert is provided with three described water proof projections, three described water proof projections be arranged in parallel and the end of three described water proof projections on different straight lines.
Wherein, described water-supply-pipe comprises water inlet pipe and outlet pipe, and described water inlet pipe is communicated with the water inlet of described water route groove, and described outlet pipe is communicated with the delivery port of described water route groove, and described water inlet pipe and described outlet pipe stretch out respectively described die ontology.
Wherein, the water side of described outlet pipe is provided with water channel plug.
Above, described rapid heat cycle waterway structure comprises at least two described mold inserts, two described mold inserts that are positioned on same level line pass through conduit conducting.
Wherein, described conduit, described pressing plate, described water-supply-pipe and two described mold inserts that are positioned on same level line form one group of rapid heat cycle waterway mechanism, and described rapid heat cycle waterway structure includes rapid heat cycle waterway mechanism described at least two groups.
Wherein, the junction of described water-supply-pipe and described mold insert is provided with waterproof apron, and the junction of described mold insert and described pressing plate is circumferentially provided with sealing ring.
Wherein, described pressing plate fixes by briquetting and described die ontology.
The utility model beneficial effect is: the injection mold that when speed of the present utility model is cooling, comprise die ontology, die ontology offers mold cavity, described die ontology is also provided with rapid heat cycle waterway structure, rapid heat cycle waterway structure is around the joint line region of described mold cavity, described rapid heat cycle waterway structure comprises pressing plate, mold insert and water-supply-pipe, described mold insert offers water route groove, described water-supply-pipe is communicated with described water route groove, and described mold insert is located between described pressing plate and described joint line region; Around joint line region division rapid heat cycle waterway structure, energy bonding plastic piece injection moulding process is adjusted the temperature of the water of carrying in rapid heat cycle waterway structure in time, utilize rapid heat cycle waterway structure to carry out respectively heating and cooling to mold cavity, thereby effectively eliminate the phenomenon of plastic rubber member surface generation joint line, shorten plastic parts cool time, improve working (machining) efficiency, have simple in structure, the advantage that production cost is low.
Brief description of the drawings
The utility model is described in further detail to utilize accompanying drawing, but embodiment in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the decomposition texture schematic diagram of Fig. 1.
Fig. 3 is the structural representation of rapid heat cycle waterway mechanism of the present utility model.
Fig. 4 is structure schematic diagram of the present utility model.
Fig. 5 is the structural representation after pressing plate of the present utility model is hidden.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, include:
1---die ontology 11---mold cavity 2---rapid heat cycle waterway mechanism
21---pressing plate 22---mold insert 221---water route grooves
222---water proof projection 223---water inlet 224---delivery ports
23---water-supply-pipe 231---water inlet pipe 232---outlet pipes
24---water channel plug 25---conduit 3---waterproof aprons
4---briquetting.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figures 1 to 5, a kind of when speed of the present utility model cooling injection mold, comprise die ontology 1, die ontology 1 offers mold cavity 11, described die ontology 1 is also provided with rapid heat cycle waterway structure, and rapid heat cycle waterway structure is around the joint line region of described mold cavity 11.As shown in Figure 2, the rapid heat cycle waterway structure of the present embodiment comprises pressing plate 21, mold insert 22 and water-supply-pipe 23, described mold insert 22 offers water route groove 221, described water-supply-pipe 23 is communicated with described water route groove 221, described mold insert 22 is located between described pressing plate 21 and described joint line region, stable connection.The water-supply-pipe 23 of the present embodiment comprises water inlet pipe 231 and outlet pipe 232, described water inlet pipe 231 is communicated with the water inlet 223 of described water route groove 221, described outlet pipe 232 is communicated with the delivery port 224 of described water route groove 221, and described water inlet pipe 231 and described outlet pipe 232 stretch out respectively described die ontology 1.Further, the water side of described outlet pipe 232 is provided with water channel plug 24.
When injection moulding, molten plastic is injected into the mold cavity 11 of die ontology 1 from cast gate, in rapid heat cycle waterway structure, pass into high-temperature water, heat in joint line region to mold cavity 11, the intersection that guarantees two strands of molten plastics can merge completely, then in rapid heat cycle waterway structure, passes into cooling water, accelerates the cooling velocity of the molten plastic in mold cavity 11, shorten plastic parts cool time, working (machining) efficiency is high.
When use, water inlet pipe 231 at water-supply-pipe 23 injects high-temperature water, high-temperature water flows until high-temperature water fills outlet pipe 232 along the water route groove 221 of mold insert 22, under the effect of water channel plug 24, high-temperature water is centered around the lateral surface in joint line region, thereby realize, joint line position is heated, simple in structure, result of use is good.In the time that needs inject cooling water in water-supply-pipe 23, open water channel plug 24, high-temperature water is discharged, and refills cooling water.The knuckle of mold insert 22 of the present utility model is fillet, easy to use.
Rapid heat cycle injection moulding is a kind of special Shooting Technique, utilize high-temperature water or steam, within the shortest time, plastic rubber member surface is elevated to 100 degree-140 degree, in a short period of time mold cools down is spent to 50 degree-80 with cooling water or frozen water again, be conducive to eliminate joint line (being weld bond) at higher mould temperature compacted under.The utility model utilizes rapid heat cycle waterway structure to add respectively gentle cooling to the joint line region of mold cavity 11, make joint line region obtain homogeneous heating and cooling, thereby be conducive to eliminate the phenomenon of plastic rubber member surface generation joint line, be applicable to automobile and join parts as the injection moulding production of the baroque thin-wall products such as instrument board, switch panel, panel, undertray cover, not only improve the product appearance of plastic parts, and strengthen the structural strength of plastic parts product, have simple in structure, the advantage that production cost is low.
Certainly, because the surface texture of mould changes, also corresponding changing of the structure of the mold insert 22 of the rapid heat cycle waterway structure of injection mold of the present utility model, the structure of the structure of mold insert 22 and mold cavity 11 matches, and meets the production and processing of different mould structures.
As shown in Figure 3, the mold insert 22 of the present embodiment is provided with at least two water proof projections 222, at least two water proof projections 222 enclose and form described water route groove 221, are conducive to make high-temperature water or cooling water to flow along water route groove 221, thereby make high-temperature water or cooling water be centered around the lateral surface in joint line region.As one preferred embodiment, mold insert 22 be provided with that 222, three described water proof projections 222 of three described water proof projections be arranged in parallel and the end of three described water proof projections 222 on different straight lines, simple in structure, heating and cooling are effective.
As shown in Figures 2 and 3, the rapid heat cycle waterway structure of the present embodiment comprises at least two described mold inserts 22, and two described mold inserts 22 that are positioned on same level line pass through conduit 25 conductings.Because the product surface of plastic parts is symmetrical structure more, like this in injection moulding plastic part, generally all can there is joint line in the symmetrical both sides of product, utilize the mold insert 22 of conduit 25 conducting plastic parts two symmetrical sides, being conducive to the joint line region to plastic parts both sides simultaneously heats simultaneously or is cooling, simple in structure, dependability is strong.Wherein, described conduit 25, described pressing plate 21, described water-supply-pipe 23 and two described mold inserts 22 that are positioned on same level line form one group of rapid heat cycle waterway mechanism 2, and described rapid heat cycle waterway structure includes rapid heat cycle waterway mechanism 2 described at least two groups.Particularly; be positioned at two described mold inserts 22 on same level line are all fixed on described joint line region lateral surface by described pressing plate 21; along with the structure of plastic parts product becomes increasingly complex; if fascia is when the injection moulding; conventionally can produce on surface four road joint lines; and one group of rapid heat cycle waterway mechanism 2 can be realized elimination twice joint line, rapid heat cycle waterway structure of the present utility model can meet the injection moulding of various baroque plastic parts, practical.
The water-supply-pipe 23 of the present embodiment is provided with waterproof apron 3 with the junction of described mold insert 22, and connective stability is good, effectively avoids the leakage of high-temperature water or cooling water, good leak-proof effect; Described mold insert 22 is circumferentially provided with sealing ring with the junction of described pressing plate 21, good sealing effect, and dependability is strong.
As shown in Figure 5, the pressing plate 21 of the present embodiment fixes by briquetting 4 and described die ontology 1, simple in structure, stable connection.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (9)
1. an injection mold cooling when fast, comprise die ontology, die ontology offers mold cavity, it is characterized in that: described die ontology is also provided with rapid heat cycle waterway structure, rapid heat cycle waterway structure is around the joint line region of described mold cavity, and described rapid heat cycle waterway structure comprises pressing plate, mold insert and water-supply-pipe, and described mold insert offers water route groove, described water-supply-pipe is communicated with described water route groove, and described mold insert is located between described pressing plate and described joint line region.
A kind of when speed according to claim 1 cooling injection mold, it is characterized in that: described mold insert is provided with at least two water proof projections, at least two water proof projections enclose and form described water route groove.
A kind of when speed according to claim 2 cooling injection mold, it is characterized in that: described mold insert is provided with three described water proof projections, three described water proof projections be arranged in parallel and the end of three described water proof projections on different straight lines.
A kind of when speed according to claim 1 cooling injection mold, it is characterized in that: described water-supply-pipe comprises water inlet pipe and outlet pipe, described water inlet pipe is communicated with the water inlet of described water route groove, described outlet pipe is communicated with the delivery port of described water route groove, and described water inlet pipe and described outlet pipe stretch out respectively described die ontology.
A kind of when speed according to claim 4 cooling injection mold, it is characterized in that: the water side of described outlet pipe is provided with water channel plug.
6. according to the cooling injection mold of a kind of when speed described in any one in claim 1-5, it is characterized in that: described rapid heat cycle waterway structure comprises at least two described mold inserts, be positioned at two described mold inserts on same level line by conduit conducting.
A kind of when speed according to claim 6 cooling injection mold, it is characterized in that: described conduit, described pressing plate, described water-supply-pipe and two described mold inserts that are positioned on same level line form one group of rapid heat cycle waterway mechanism, described rapid heat cycle waterway structure includes rapid heat cycle waterway mechanism described at least two groups.
A kind of when speed according to claim 1 cooling injection mold, it is characterized in that: the junction of described water-supply-pipe and described mold insert is provided with waterproof apron, the junction of described mold insert and described pressing plate is circumferentially provided with sealing ring.
A kind of when speed according to claim 1 cooling injection mold, it is characterized in that: described pressing plate fixes by briquetting and described die ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049099.XU CN203765916U (en) | 2014-01-26 | 2014-01-26 | Rapid cooling injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049099.XU CN203765916U (en) | 2014-01-26 | 2014-01-26 | Rapid cooling injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203765916U true CN203765916U (en) | 2014-08-13 |
Family
ID=51283155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420049099.XU Expired - Fee Related CN203765916U (en) | 2014-01-26 | 2014-01-26 | Rapid cooling injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203765916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802289A (en) * | 2014-01-26 | 2014-05-21 | 东莞广泽汽车饰件有限公司 | Injection mold capable of instantly cooling |
-
2014
- 2014-01-26 CN CN201420049099.XU patent/CN203765916U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802289A (en) * | 2014-01-26 | 2014-05-21 | 东莞广泽汽车饰件有限公司 | Injection mold capable of instantly cooling |
| CN103802289B (en) * | 2014-01-26 | 2017-01-11 | 东莞广泽汽车饰件有限公司 | Injection mold capable of instantly cooling |
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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: 20140813 |