CN112497665A - Structure for adjusting and controlling die temperature - Google Patents
Structure for adjusting and controlling die temperature Download PDFInfo
- Publication number
- CN112497665A CN112497665A CN202011416241.6A CN202011416241A CN112497665A CN 112497665 A CN112497665 A CN 112497665A CN 202011416241 A CN202011416241 A CN 202011416241A CN 112497665 A CN112497665 A CN 112497665A
- Authority
- CN
- China
- Prior art keywords
- wall
- well
- mould
- water well
- water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 25
- 229920003023 plastic Polymers 0.000 abstract description 25
- 238000001746 injection moulding Methods 0.000 abstract description 20
- 239000003292 glue Substances 0.000 abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 8
- 229920001169 thermoplastic Polymers 0.000 description 8
- 238000000465 moulding Methods 0.000 description 4
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical group [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000007723 die pressing method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
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
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molding, and discloses a mold temperature regulation and control structure which comprises a mold core, a water well and a heat insulation sleeve, wherein the water well is arranged in the mold core, the heat insulation sleeve is arranged in the water well, the inner wall of the water well corresponds to the outer wall of the mold core, the outer wall of the mold core comprises a glue inlet position and a tail end far away from the glue inlet position, the heat insulation sleeve is arranged on the inner wall of the water well corresponding to the tail end, and the heat insulation sleeve extends to an opening of the water well. Compared with the prior art, the structure for adjusting and controlling the temperature of the mold can be used for injection molding at a lower heating temperature, and plastic can be quickly and integrally cooled to be solidified and molded, so that the injection molding period is effectively shortened, the energy consumption is reduced, and the phenomenon that the appearance of a product is influenced by solidified structure lines generated by the plastic is avoided.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to a structure for adjusting and controlling the temperature of a mold.
Background
The injection molding is a method for producing and molding industrial products, generally using rubber injection molding and plastic injection molding, and currently, an injection molding die pressing method is commonly used for manufacturing various plastic products, namely, thermoplastic plastics or thermosetting materials are utilized to support the plastic products with various shapes by using a plastic molding die, higher die temperature needs to be kept before injection molding, and the die temperature needs to be rapidly cooled down after injection molding, so that the plastic is solidified and molded, in the prior art, the thermoplastic plastics are generally heated to higher temperature through a hot runner technology to ensure the fluidity in the die during injection molding, particularly, a pouring gate needs to flow through a structure with a certain distance after entering the die, the die is rapidly cooled after pouring, so that the plastic is solidified and molded, because the distance from the pouring gate of the die to the end of the flow channel is far, the plastic temperature at the pouring gate is higher, and the plastic at present, the heat conducting plate made, therefore, the integral temperature of the plastic is stably and rapidly reduced, the plastic needs to be heated at a higher temperature, the energy consumption is correspondingly more, more time is also needed for cooling and heating, the injection molding period is difficult to be reduced better, the requirement on a cooling system is higher, and solidification grains are easy to appear in the plastic molding at the position of beryllium copper, so that the appearance of a product is influenced.
Disclosure of Invention
The purpose of the invention is: the utility model provides a be suitable for the lower temperature and mould plastics, can make the whole even cooling of injection molding fast, accomplish the structure of mould temperature regulation control of moulding plastics.
In order to solve the technical problem, the invention provides a structure for adjusting and controlling the temperature of a die.
The utility model provides a structure of mould temperature regulation control, is in including mould benevolence and setting well in the mould benevolence, and install the radiation shield in the well, the inner wall of well with the outer wall of mould benevolence is corresponding, the outer wall of mould benevolence is including advancing gluey position and keeping away from advance the tail end of gluey position, the radiation shield is located the well with the inner wall department that the tail end corresponds, just the radiation shield extends to the opening of well.
In a preferred embodiment of the present invention, the heat insulating jacket is flush-fitted to the inner wall of the well.
As a preferable scheme of the invention, a water-proof sheet is further arranged in the water well.
In a preferred embodiment of the present invention, the heat insulating sleeve is made of PVC.
As a preferred scheme of the invention, the structure for adjusting and controlling the temperature of the die further comprises a die holder, the die holder is provided with a groove which is embedded into the die core in a matching manner, and the die holder is provided with a water supply pipeline communicated with the water well.
As the preferable scheme of the invention, a sealing ring is also arranged between the die holder and the die core.
Compared with the prior art, the structure for adjusting and controlling the temperature of the die has the advantages that: it can mould plastics with lower heating temperature, and plastics can wholly evenly cool down fast and solidify the shaping to effectively shorten the cycle of moulding plastics, and reduce the energy consumption, and avoid plastics to produce and solidify the structure line and influence product appearance.
Drawings
FIG. 1 is a cross-sectional view of a mounting structure of an embodiment of the present invention;
in the figure, 1, a mold core; 11. feeding a glue position; 12. a tail end; 2. a water well; 3. a heat insulating sleeve; 4. a water-barrier sheet; 5. a die holder; 6. and (5) sealing rings.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be further understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the machine or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1, a mold temperature adjusting and controlling structure according to an embodiment of the present invention includes a mold core 1, a water well 2 disposed in the mold core 1, and a heat insulating sleeve 3 installed in the water well 2, wherein an inner wall of the water well 2 corresponds to an outer wall of the mold core 1, the outer wall of the mold core 1 includes a glue inlet 11 and a tail end 12 far away from the glue inlet 11, the heat insulating sleeve 3 is located at an inner wall of the water well 2 corresponding to the tail end 12, and the heat insulating sleeve 3 extends to an opening of the water well 2, when performing injection molding, thermoplastic plastics are injected from the glue inlet 11 and flow to the tail end 12, and cooling water is injected into the water well 2, so that heat of the thermoplastic plastics is naturally transferred to the cooling water of the water well 2 through the mold core 1 made of a metal material, and since the heat insulating sleeve 2 separates the cooling water from the inner wall of the water well 2 opening to the tail end 12, only the inner walls of other wells 2 are allowed to transfer heat at the positions corresponding to the glue inlet position 11 and the positions nearby, even if the thermoplastic plastic is injected from the glue inlet position 11 and then flows into the tail end 12, namely, the firstly injected plastic is firstly cooled, the cooling speed of the plastic at the tail end 12 is reduced, the plastic is not solidified faster than the plastic at the glue inlet position 11 and the plastic at the middle position, the plastic at the glue inlet position 11 and the plastic at the middle position are continuously cooled, and finally the thermoplastic plastic is uniformly cooled and solidified on the mold core 1 after the injection molding is finished; the mould core 1 shown in the attached drawing is of a similar cylindrical shape, the injection molded plastic of the mould core is also of a similar cylindrical shape of the outer wall, so the water well 2 is also of a corresponding cylindrical shape, the glue inlet position 11 is arranged at the upper end of the mould core 1, the opening of the water well 2 for water inlet and outlet is correspondingly arranged at the lower end of the mould core 1, the heat insulation sleeve 3 is also of a single pipe sleeve shape, in addition, the shape of the mould core 1, the shape of the water well and the positions of the glue inlet position 11 and the tail end 12 can be correspondingly changed into other corresponding shapes and structures according to the shape of an injection molding piece, for example, if the injection molding piece is a hemispherical shell, the mould core 1 is of a hemispherical shape, the water well 2; in contrast, in the conventional injection molding mode, beryllium copper is arranged at a gate position to locally accelerate the cooling of thermoplastic plastics with higher heating temperature, and the injection molding mode can only be suitable for heating the thermoplastic plastics to the higher temperature, so that the energy consumption and time consumption for heating and cooling are correspondingly higher, the requirement on a mold cooling system is also higher, and obvious structural lines are easily formed in the solidification molding of the plastic at the position of the beryllium copper, so that the appearance is obviously influenced.
Referring to fig. 1, exemplarily, the heat insulating sleeve 3 is embedded in the inner wall of the well 2 in a flush manner, the inner wall of the well 2 is provided with a matching concave position of the heat insulating sleeve 3, the inner wall of the heat insulating sleeve 3 is flush with the inner wall of the well 2, the concave position of the inner wall of the well 2 forms a step structure, the heat insulating sleeve 3 is just embedded in the inner wall of the well 2 in a matching manner and fills the concave position, and the inner wall of the heat insulating sleeve 3 can align to the rest of the inner walls of the well 2, so that water flows in and out stably without generating resistance or turbulence, thereby ensuring the cooling effect of injection molding parts.
Referring to fig. 1, exemplarily, a water-blocking sheet 4 is further disposed in the water well 2, the water-blocking sheet 4 can separate the water well 2 into a water path through which water completely passes through the water well 2, so as to achieve continuous heat exchange and temperature reduction through water flow, the water-blocking sheet 4 is shown in the middle of the water well 2, and the upper end of the water-blocking sheet 4 and the top wall surface of the water well 2 form a water path passing left and right.
Referring to fig. 1, the heat insulating sleeve 3 is made of PVC, and the heat insulating sleeve 3 is made of PVC pipe, which is shown in the figure, and has good heat insulating performance and low cost.
Referring to fig. 1, the mold temperature regulation and control structure further includes a mold base 5, the mold base 5 is provided with a groove for embedding the mold core 1 in a matching manner, the mold base 5 is provided with a water supply pipeline communicated with the water well 2, the mold core 1 is installed in the groove of the mold base 5 for fixation after the heat insulating sleeve 3 and the water-resisting sheet 4 are installed in the water well 2, and meanwhile, the water supply pipeline of the mold base 5 is easy to process and very convenient to use.
Referring to fig. 1, for example, a sealing ring 6 is further disposed between the die holder 5 and the die core 1, the sealing ring 6 is mounted on a groove of the die holder 5, and the sealing ring 6 sealingly surrounds an opening of the water well 2, so as to effectively ensure the sealing performance of the water supply pipeline of the die holder 5 and the water well 2.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a structure of mould temperature regulation control which characterized in that: including the mould benevolence and setting up well in the mould benevolence, and install the radiation shield in the well, the inner wall of well with the outer wall of mould benevolence is corresponding, the outer wall of mould benevolence is including advancing gluey position and keeping away from advance the tail end of gluey position, the radiation shield is located the well with the inner wall department that the tail end corresponds, just the radiation shield extends to the opening of well.
2. The structure of mold temperature adjustment control according to claim 1, wherein: the heat insulation sleeve is embedded on the inner wall of the water well in a flush mode.
3. The structure of mold temperature adjustment control according to claim 1, wherein: and a water-insulating sheet is also arranged in the water well.
4. The structure of mold temperature adjustment control according to claim 1, wherein: the heat insulation sleeve is made of PVC.
5. A mold temperature regulating and controlling structure according to any one of claims 1 to 4, wherein: the mould comprises a mould core and is characterized by further comprising a mould base, wherein the mould base is provided with a groove which is embedded into the mould core in a matching mode, and the mould base is provided with a water supply pipeline communicated with the water well.
6. The structure of mold temperature adjustment control according to claim 5, wherein: and a sealing ring is also arranged between the die holder and the die core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011416241.6A CN112497665A (en) | 2020-12-04 | 2020-12-04 | Structure for adjusting and controlling die temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011416241.6A CN112497665A (en) | 2020-12-04 | 2020-12-04 | Structure for adjusting and controlling die temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112497665A true CN112497665A (en) | 2021-03-16 |
Family
ID=74970696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011416241.6A Pending CN112497665A (en) | 2020-12-04 | 2020-12-04 | Structure for adjusting and controlling die temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112497665A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1362322A (en) * | 1997-04-16 | 2002-08-07 | 哈斯基注模系统有限公司 | Local crystallizaltion method and apparatus of non-crystal plastic products |
| JP2015101030A (en) * | 2013-11-26 | 2015-06-04 | 株式会社イノアックコーポレーション | Method of manufacturing porous body |
| CN105451961A (en) * | 2013-08-22 | 2016-03-30 | 表面制作有限公司 | Mould tool having moving parts |
| CN205996163U (en) * | 2016-08-31 | 2017-03-08 | 旭东压铸（上海）有限公司 | A kind of point cooling orienting device |
| CN206528030U (en) * | 2017-03-14 | 2017-09-29 | 东莞市奥特模具有限公司 | A kind of cooling water channel structure of plastic mould |
| CN213919398U (en) * | 2020-12-04 | 2021-08-10 | 广东君盛模具研究有限公司 | Structure for adjusting and controlling die temperature |
-
2020
- 2020-12-04 CN CN202011416241.6A patent/CN112497665A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1362322A (en) * | 1997-04-16 | 2002-08-07 | 哈斯基注模系统有限公司 | Local crystallizaltion method and apparatus of non-crystal plastic products |
| CN105451961A (en) * | 2013-08-22 | 2016-03-30 | 表面制作有限公司 | Mould tool having moving parts |
| JP2015101030A (en) * | 2013-11-26 | 2015-06-04 | 株式会社イノアックコーポレーション | Method of manufacturing porous body |
| CN205996163U (en) * | 2016-08-31 | 2017-03-08 | 旭东压铸（上海）有限公司 | A kind of point cooling orienting device |
| CN206528030U (en) * | 2017-03-14 | 2017-09-29 | 东莞市奥特模具有限公司 | A kind of cooling water channel structure of plastic mould |
| CN213919398U (en) * | 2020-12-04 | 2021-08-10 | 广东君盛模具研究有限公司 | Structure for adjusting and controlling die temperature |
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