CN114523638A - Injection mold with umbrella-shaped cooling water channel - Google Patents
Injection mold with umbrella-shaped cooling water channel Download PDFInfo
- Publication number
- CN114523638A CN114523638A CN202110982247.8A CN202110982247A CN114523638A CN 114523638 A CN114523638 A CN 114523638A CN 202110982247 A CN202110982247 A CN 202110982247A CN 114523638 A CN114523638 A CN 114523638A
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- Prior art keywords
- insert
- water
- branch
- mold
- cooling water
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- 239000000498 cooling water Substances 0.000 title claims abstract description 54
- 238000002347 injection Methods 0.000 title claims abstract description 25
- 239000007924 injection Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 129
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 8
- 239000003292 glue Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold with an umbrella-shaped cooling water channel, which comprises a mold main body, a mold base and an insert, wherein the mold main body is arranged in the center above the mold base, and the insert comprises: an insert; the water chute is positioned in the middle of the middle; the two branch pipes are uniformly distributed along the circumferential direction and are provided with an inward inlet and two outward outlets; the two ends of the first branch are respectively connected with the water chute and the inlets of the two branch pipes, and each first branch is uniformly distributed along the radial direction of the same circumference; one end of the second branch is connected with the outlet of the branch pipe, and the other end of the second branch extends outwards to the outside of the insert and is uniformly distributed along the radial direction of the same circumference; and the mold main body is internally provided with a mold insert groove and a cooling water channel which correspond to the mold insert. According to the invention, through the umbrella-shaped water path design, the cooling water paths are uniformly distributed along the circumferential direction, so that the cooling effect can be really balanced, and meanwhile, the insert and the mold can be made of materials with different heat-conducting properties due to the fact that the insert is separable from the mold, so that the cost is saved.
Description
Technical Field
The invention relates to the field of molds, in particular to an injection mold with an insert and an umbrella-shaped cooling water path.
Background
In injection molds, the cooling system is a core part of the injection mold and has a significant influence on the life of the mold, the production efficiency and the quality of the injection molded article. The influence of the water channel on the quality of the formed product is mainly shown in the process of forming the product and is used for controlling the temperature of the mould, and the change of the temperature of the mould has influence on shrinkage rate deformation, dimensional stability, mechanical strength, stress cracking, surface quality and the like of the product. Among the current technical scheme, the water route of mould is not even enough to the cooling of finished product at the during operation, perhaps too complicated with the water route design in order to reach the purpose of even cooling.
For example, the mold insert with inclined alternating water path structure and the manufacturing method thereof disclosed in the chinese patent document have the publication number CN102909841B, which includes an insert having a conical section with a circular bottom surface, the outer wall of the insert being a conical surface, and a plurality of sets of inclined alternating water path structures being provided inside the insert, each set of inclined alternating water path structures including a left inclined water path and a right inclined water path, the water paths respectively penetrating from the circular bottom surface of the insert and extending straight upward to intersect inside the insert, an included angle between an axis of the left inclined water path and the circular bottom surface being equal to an included angle between an axis of the right inclined water path and the circular bottom surface, the plurality of sets of inclined alternating water path structures being uniformly distributed in the insert along the circumferential direction of the same circumference, when the mold insert is used for producing a cylindrical cup-shaped transparent plastic product, the cooling effect of the upper and lower portions of the product can be more balanced, however, the arrangement of the pipes is complicated, the cooling water course intercommunicates makes the cooling effect of water route back end worse than the anterior segment, still has the defect in the balance of cooling effect.
When the mold is cooled, different parts have different cooling requirements, the best cooling effect is often needed near the glue inlet, and the whole cooling water channel is often made of materials which are beneficial to heat dissipation, such as beryllium copper, so that the cost is greatly increased.
For example, the "metal mold insert with a novel water path structure" disclosed in the chinese patent literature has publication number CN211074367U, and includes an insert, at least one cavity is provided in the insert, an insert cavity is erected in the cavity, the outer wall of the insert cavity and the inner wall of the cavity are arranged at an interval, and an annular space between the insert cavity and the cavity constitutes a cooling water path cavity, so as to overcome the problems of small contact area of a cooling surface, uneven cooling effect and low cooling efficiency existing in the prior art, and the metal mold insert is made to further improve the cooling effect.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides the separable cooling water path, and the cooling water path channel and the insert are designed, so that the water path structure is more reasonable, and the cooling effect is more balanced.
The invention is realized by the following technical scheme: an injection mold with an umbrella-shaped cooling water path, comprising a mold body, a mold base and an insert, the mold body being disposed at the midpoint above the mold base, the insert comprising: an insert; the water chute is positioned in the middle of the insert; the two branch pipes are the same as each other and are uniformly distributed along the circumferential direction by taking the water guide groove as the center, and each two branch pipe is provided with an inlet facing the water guide groove and two outlets back to the water guide groove; the first branches correspond to the inlets of the branch pipes one by one, one end of each first branch is connected with the water chute, and the other end of each first branch is connected with the inlet of the corresponding branch pipe; the second branch circuits correspond to the outlets of the branch pipes one by one, one ends of the second branch circuits are connected with the outlets corresponding to the branch pipes, and the other ends of the second branch circuits extend outwards to the outside of the insert; the mold body further comprises: the insert groove is arranged at the upper part of the die main body and used for mounting the insert, and the notch of the water chute extends downwards to form a water inlet of the insert; and one end of the cooling water channel is positioned on the groove wall of the insert groove and is connected with the second branch, the other end of the cooling water channel extends downwards to the base in the mold main body, each second branch corresponds to one cooling water channel, and each cooling water channel is uniformly distributed along the circumference which takes the center of the mold main body as the circle center.
When the water distributor is used, external cold water is connected with the water inlet, and the cold water enters the water inlet along the vertical direction and then passes through the water guide groove in the shape of the hemispherical surface, so that the cold water can be uniformly distributed to each first branch; the second branches are uniformly distributed along the radial direction of the same circumference, the outlets of the branch pipes are symmetrically arranged, cold water enters the branch pipes through the first branches and is uniformly divided into two parts to be discharged outside the insert along the second branch pipes, and the cold water enters the cooling water channel to continuously cool other parts of the mold. Because of the water chute in the shape of the hemispherical surface and the symmetrically arranged branch manifolds, cold water entering from the water inlet can be uniformly divided into a plurality of cooling water channels, and each cooling water channel is uniformly distributed along the same circumference, so that the cooling effect can be really balanced, the density of the first branch around the water chute can be reduced, the structural strength is improved, and the production difficulty is reduced; the insert is positioned near the glue inlet and can be separated from the mold, so that the material with high heat conductivity can be independently adopted, and the cost is saved compared with the cost for manufacturing the whole mold by using the material with high heat conductivity.
Preferably, the water chute is in a hemispherical shape protruding upwards, a spherical water control ball is arranged in the water chute, the top of the water control ball is connected with the top of the inner wall of the water chute through a connecting wire, a plurality of temperature sensing assemblies are uniformly distributed on the periphery of the water control ball, and the temperature sensing assemblies are connected with the water control ball and the chute wall of the water chute. When the temperature control device is not in operation, the temperature controller is kept in the water guide groove through the connecting line, the temperature sensing assemblies are obviously stretched along with the change of ambient temperature in an operating state, when the temperature of the position corresponding to a certain temperature sensing assembly is higher than that of other positions, the length of the temperature sensing assembly is increased, and the water control ball is pushed to be far away from the temperature sensing assembly, so that a cold water channel leading to the position is larger than that of other positions, namely more cold water flows to a first branch near the direction of the temperature sensing assembly, and the temperature balance of each flowing direction is kept.
Preferably, the temperature sensing assembly comprises a temperature sensing bag and a spring, one end of the temperature sensing bag is connected with the water control ball, the other end of the temperature sensing bag is connected with the wall of the water guide groove through the spring, when the surrounding temperature of the temperature sensing bag rises, the thermosensitive material in the temperature sensing bag is heated to generate solid-liquid phase change and expand, the ejector rod is pushed to generate power and stroke, and therefore the water control ball is pushed, and the temperature sensing assembly on the low-temperature side can be compressed more easily due to the arrangement of the spring.
Preferably, the water chute is a hemispherical shape protruding upwards, so that water can be more uniformly guided to each direction after entering the water chute from the water inlet, and the power loss of cold water is reduced.
Preferably, each first branch is uniformly distributed along the radial direction of the same circumference, and each first branch is uniformly distributed along the radial direction of the same circumference, so that cold water uniformly flows to the outside of the insert under the condition of balanced peripheral temperature.
Preferably, the cooling water channels are uniformly distributed along the circumferential direction, so that the cooling water channels can uniformly cool the die main body.
Preferably, the shape of the branch pipe is a sector with the circle center being the center of the water chute, cold water can be guided to flow to outlets on two sides of the branch pipe, and kinetic energy loss in the cold water flowing process is reduced.
Preferably, the injection mold with the umbrella-shaped cooling water channel is provided with a plurality of cylindrical air valves which vertically penetrate through the whole insert in the gap of the second branch, and the demolding can be assisted by inward blowing.
Preferably, the injection mold with the umbrella-shaped cooling water channel is provided with a plurality of screw holes with downward openings in the gap of the second branch, and the screw holes are used for matching with screws to install the insert into the mold.
Preferably, the injection mold with the umbrella-shaped cooling water channel has a smaller area on the surface of one side provided with the water inlet than on the other side, so that the insert is conveniently installed in the insert groove.
Therefore, the invention has the following beneficial effects:
(1) through the umbrella-shaped water path design, the cooling water paths are uniformly distributed along the circumferential direction, so that the cooling effect can be really balanced;
(2) the density of the first branch circuit around the water guide groove is reduced through the arrangement of the branch pipes, the structural strength is improved, and the production difficulty is reduced.
Drawings
FIG. 1 is a schematic front view of a first embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention with a waterway structure;
FIG. 3 is a perspective view of the first embodiment;
FIG. 4 is a schematic side view of the first embodiment;
fig. 5 is a schematic front view of the insert of the second embodiment;
fig. 6 is a schematic front view of the insert of the third embodiment;
FIG. 7 is a cross-sectional view taken in the direction B-B of the insert of FIG. 6;
FIG. 8 is an enlarged schematic view at C of FIG. 7;
FIG. 9 is a schematic view of an embodiment with an insert uninstalled;
FIG. 10 is a schematic view of an embodiment of an insert as installed;
FIG. 11 is a cross-sectional view taken along the line A-A of FIG. 1 according to an embodiment.
In the figure: the mold comprises a mold body 1, an insert groove 1.1, a cooling water channel 1.2, a mold base 2, an insert 3, a water chute 3.1, a hemispherical surface 3.11, a water inlet 3.12, a branch pipe 3.2, an inlet 3.21, an outlet 3.22, a first branch 3.3, a second branch 3.4, an air valve 3.5, a screw hole 3.6, a water control ball 3.7, a temperature sensing assembly 3.8, a temperature sensing bag 3.81 and a spring 3.82.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In a first embodiment, as shown in fig. 1 and 2, an injection mold with an umbrella-shaped cooling water channel comprises a mold main body 1, a mold base 2 and an insert 3, wherein the insert 3 is made of beryllium copper, the mold main body is in a shape of a circular truncated cone with a small upper part and a large lower part and is arranged in the center above the mold base, the insert is in a shape of a circular cake, a water chute 3.1 is arranged in the middle of the mold main body, and the water chute is in a shape of a semicircle protruding upwards; the two branch pipes 3.2 are provided with six same branch pipes, are uniformly distributed along the circumferential direction by taking the water chute 3.1 as the center, and each two branch pipe 2 is provided with an inlet 3.21 facing the water chute 3.1 and two outlets 3.22 back to the water chute; the two ends of the first branch 3 are respectively connected with six water chutes 3.1 and inlets 3.21 of the branch pipes, and the six water chutes and the inlets are uniformly distributed along the radial direction of the same circumference; the number of the second branches 3.4 is twelve, the number of the second branches is the same, one end of each second branch 3.4 is connected with the outlet 3.22 of the branch pipe 3.2, the other end of each second branch extends outwards to the outside of the insert and is connected with the cooling water channel, and each second branch is uniformly distributed along the radial direction of the same circumference; as shown in fig. 9, 10 and 11, an insert groove 1.1 is formed in the upper portion of the mold main body for installing an insert, a notch of the water guide groove extends downward to form a water inlet 3.12 of the insert, cooling water channels 1.2 are formed around the mold main body, one end of each cooling water channel is located on a groove wall of the insert groove and connected with the second branch, the other end of each cooling water channel extends downward in the mold main body to the mold base 2, each second branch 3.4 corresponds to one cooling water channel 1.2, and each cooling water channel is uniformly distributed along a circumference with the center of the mold main body as a circle center.
When the water distributor is used, external cold water is connected with the water inlet, and the cold water enters the water inlet along the vertical direction and then passes through the water guide groove in the shape of the hemispherical surface, so that the cold water can be uniformly distributed to the six first branches; the second branches are uniformly distributed along the radial direction of the same circumference, the outlets of the branch pipes are symmetrically arranged, cold water enters the branch pipes through the first branches and is uniformly divided into two parts to be discharged outside the insert along the second branch pipes, and the two parts enter the cooling water channel to continuously cool the die. Because of the water chute in the shape of the hemispherical surface and the symmetrically arranged branch bifurcations 3.2, cold water entering from the water inlet can be uniformly divided into twelve cooling water channels, and each cooling water channel is uniformly distributed along the same circumference, so that the cooling effect can be really balanced, the number of the first branches around the water chute can be reduced by half, the manufacturing difficulty is reduced, and the structural stability is improved; the mold insert is located near the glue inlet and can be separated from the mold, so that materials with high heat conductivity can be independently adopted, the cost is saved compared with the mode that the whole mold is made of the materials with high heat conductivity, and the processing difficulty is reduced. The upper parts of the water chute 3.1 and the branch pipes are open, and the water chute is installed in a die and then matched with the die to form a closed pipeline.
The sectional area of the first branch 3.3 is twice that of the second branch, so that the flow speed is more stable when cold water flows.
The shape of the branch pipe 3.2 is a fan shape taking the center of the water chute as the center of a circle, the outlets 3.22 are distributed in an axisymmetric way by referring to the first branch, cold water can be guided to uniformly flow to the outlets at two sides of the branch pipe, and the kinetic energy loss in the cold water flowing process is reduced.
The injection mold with the umbrella-shaped cooling water channel is provided with a plurality of cylindrical air valves 3.5 which vertically penetrate through the whole insert in the gap of the second branch, and the demolding can be assisted by inward blowing.
The injection mold with the umbrella-shaped cooling water channel is provided with a plurality of screw holes 3.6 with downward orifices in the gaps of the second branch, and the screw holes are used for matching with screws to install the insert into the mold.
As shown in fig. 3 and 4, the injection mold having the umbrella-shaped cooling water path has a smaller area on the surface of one side where the water inlet is formed than on the other side, so that the insert can be conveniently mounted in the insert groove.
In the second embodiment, as shown in fig. 5, eight branch pipes 3.2, eight first branches and sixteen second branches are uniformly arranged along the circumference of the insert, and the other arrangements are the same as those in the first embodiment, and the added second branches can make the cooling water channels more densely distributed, thereby improving the cooling efficiency.
In the third embodiment, as shown in fig. 6, on the basis of the first embodiment, a glue inlet is arranged in the middle of the other side of the water chute on the surface of the insert, a spherical water control ball 3.7 is arranged in the water chute, the top of the water control ball is connected with the top of the inner wall of the water chute 1 through a connecting line, six temperature sensing components are uniformly distributed around the water control ball, the temperature sensing components are connected with the water control ball and the wall of the water chute, when the temperature controller is not in operation, the temperature controller is kept in the water chute through the connecting line, when the temperature sensing components are in operation, the temperature sensing components stretch obviously along with the change of ambient temperature, when the heat in each direction of the glue inlet and the mold main body is unbalanced due to unbalanced speed or flow rate of raw materials flowing to each flow channel or other factors during glue inlet, when the temperature in the direction corresponding to a certain temperature sensing component 3.8 is higher than that in other directions, the length of the temperature sensing components is increased, and the water control ball is pushed to be far away from the temperature sensing components, the cold water passage to this orientation will be larger than in the other orientations, i.e. more cold water flows to the first branch near the direction of the temperature sensing assembly, to keep the temperature of each flow direction balanced.
The temperature sensing assembly comprises a temperature sensing bag 3.81 and a spring 3.82, as shown in fig. 7 and 8, one end of the temperature sensing bag 3.81 is connected with a 3.7 water control ball, the other end of the temperature sensing bag is connected with the wall of a water guide groove through the spring 3.82, when the surrounding temperature of the temperature sensing bag rises, a thermosensitive material (such as thermosensitive wax) in the temperature sensing bag is heated to generate solid-liquid phase change and expand, a push rod is pushed to generate power and stroke, and the water control ball is pushed, and the temperature sensing assembly on the low temperature side can be compressed more easily due to the arrangement of the spring.
Claims (10)
1. An injection mold with an umbrella-shaped cooling water path, comprising a mold body, a mold base and an insert, the mold body being disposed at the midpoint above the mold base, the insert comprising:
the water chute is positioned in the middle of the insert;
the two branch pipes are the same and are uniformly distributed along the circumferential direction by taking the water chute as a center, and each two branch pipe is provided with an inlet facing the water chute and two outlets back to the water chute;
the first branches correspond to the inlets of the branch pipes one by one, one end of each first branch is connected with the water chute, and the other end of each first branch is connected with the inlet of the corresponding branch pipe;
the second branches correspond to the outlets of the branch pipes one by one, one ends of the second branches are connected with the outlets corresponding to the branch pipes, and the other ends of the second branches extend outwards to the outside of the insert;
the mold body includes:
the insert groove is arranged at the upper part of the die main body and used for mounting the insert, and the notch of the water guide groove extends downwards to form a water inlet of the insert;
and one end of the cooling water channel is positioned on the groove wall of the insert groove and is connected with the second branch, the other end of the cooling water channel extends downwards to the base in the die body, and each second branch corresponds to one cooling water channel.
2. The injection mold with the umbrella-shaped cooling water channel as claimed in claim 1, wherein: the water guide groove is of a hemispherical shape protruding upwards, a spherical water control ball is arranged in the water guide groove, the top of the water control ball is connected with the top of the inner wall of the water guide groove through a connecting line, a plurality of temperature sensing assemblies are uniformly distributed on the periphery of the water control ball, and the temperature sensing assemblies are connected with the water control ball and the groove wall of the water guide groove.
3. The injection mold with the umbrella-shaped cooling water channel as claimed in claim 2, wherein: the temperature sensing assembly comprises a temperature sensing bag and a spring, one end of the temperature sensing bag is connected with the water control ball, and the other end of the temperature sensing bag is connected with the wall of the water guide groove through the spring.
4. The injection mold with the umbrella-shaped cooling water channel as claimed in claim 1, wherein: the water chute is in a hemispherical shape protruding upwards.
5. The injection mold with the umbrella-shaped cooling water path according to claim 1 or 2, wherein: each first branch is uniformly distributed along the radial direction of the same circumference, and each second branch is uniformly distributed along the radial direction of the same circumference.
6. The injection mold with the umbrella-shaped cooling water channel as claimed in claim 1, wherein: the cooling water channels are uniformly distributed along the circumferential direction.
7. The injection mold with the umbrella-shaped cooling water path according to claim 1 or 2, wherein: the shape of the branch pipe is a sector taking the center of the water chute as the center of a circle.
8. The injection mold with the umbrella-shaped cooling water channel as claimed in claim 1 or 2, wherein a plurality of cylindrical air gates vertically penetrating the whole insert are arranged in the gap of the second branch.
9. The injection mold with the umbrella-shaped cooling water channel as claimed in claim 1 or 2, wherein a plurality of screw holes with downward openings are arranged in the gap of the second branch.
10. The injection mold with the umbrella-shaped cooling water path as claimed in claim 1 or 2, wherein the surface of one side provided with the water inlet is smaller in area than the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110982247.8A CN114523638B (en) | 2021-08-25 | 2021-08-25 | Injection mold with umbrella-shaped cooling water channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110982247.8A CN114523638B (en) | 2021-08-25 | 2021-08-25 | Injection mold with umbrella-shaped cooling water channel |
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| Publication Number | Publication Date |
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| CN114523638A true CN114523638A (en) | 2022-05-24 |
| CN114523638B CN114523638B (en) | 2024-05-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070065536A1 (en) * | 2005-09-20 | 2007-03-22 | Ming-Yu Chen | Cooling device for molds in an injection molding machine |
| TW201210790A (en) * | 2010-09-10 | 2012-03-16 | Yeun Chenn Co Ltd | Biomass plastic injection molding method and biomass plastic injection molding mechanism improvement and manufacturing process thereof |
| CN108284572A (en) * | 2017-12-27 | 2018-07-17 | 广东伟达智能装备股份有限公司 | Mold cooling system and the control method of mold cooling |
| CN208714426U (en) * | 2018-07-18 | 2019-04-09 | 珠海格力精密模具有限公司 | Injection mold |
| CN210911044U (en) * | 2020-03-25 | 2020-07-03 | 凯勒(南京)新材料科技有限公司 | Injection mold of plate-shaped injection product |
-
2021
- 2021-08-25 CN CN202110982247.8A patent/CN114523638B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070065536A1 (en) * | 2005-09-20 | 2007-03-22 | Ming-Yu Chen | Cooling device for molds in an injection molding machine |
| TW201210790A (en) * | 2010-09-10 | 2012-03-16 | Yeun Chenn Co Ltd | Biomass plastic injection molding method and biomass plastic injection molding mechanism improvement and manufacturing process thereof |
| CN108284572A (en) * | 2017-12-27 | 2018-07-17 | 广东伟达智能装备股份有限公司 | Mold cooling system and the control method of mold cooling |
| CN208714426U (en) * | 2018-07-18 | 2019-04-09 | 珠海格力精密模具有限公司 | Injection mold |
| CN210911044U (en) * | 2020-03-25 | 2020-07-03 | 凯勒(南京)新材料科技有限公司 | Injection mold of plate-shaped injection product |
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| CN114523638B (en) | 2024-05-03 |
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