CN216267463U - High-efficient cooling injection mold - Google Patents
High-efficient cooling injection mold Download PDFInfo
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- CN216267463U CN216267463U CN202122660473.2U CN202122660473U CN216267463U CN 216267463 U CN216267463 U CN 216267463U CN 202122660473 U CN202122660473 U CN 202122660473U CN 216267463 U CN216267463 U CN 216267463U
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Abstract
The utility model relates to the technical field of injection molds, in particular to an efficient cooling injection mold, which comprises an upper template, an upper mold core, a lower mold core and a lower template which are sequentially arranged from top to bottom, wherein the upper mold core is fixedly connected with the upper template, the lower mold core is fixedly connected with the lower template, an outer cup surface contour groove with a downward opening is arranged on the upper mold core, an inner cup surface contour block corresponding to the outer cup surface contour groove is arranged on the lower mold core, a glue feeding mechanism is arranged on the upper template, and the glue feeding mechanism is downwards penetrated to be communicated with the outer cup surface contour groove; the inner cup surface profiling block can be cooled to the maximum extent, so that the cooling forming effect is greatly improved, and the time consumed by product forming is reduced.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an efficient cooling injection mold.
Background
The injection mold consists of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product. In order to reduce the heavy mold design and manufacturing effort, injection molds mostly employ standard mold bases.
At present, a disposable plastic cup is convenient to manufacture, low in cost and free from leakage of contained liquid, and is widely applied to the beverage industry, the existing disposable plastic cup is manufactured by basically adopting an injection mold for injection molding, after the injection molding, the plastic cup needs to be ejected out through an ejection mechanism, in order to prevent the plastic cup from being scratched in the ejection process, an inner cavity surface of the injection mold is provided with an air blowing hole, a molded product can be separated from the inner cavity surface of the mold through the air blowing hole, so that the effect of mold ejection without dragging injury is achieved, in addition, in order to improve the molding speed of the injection mold, a cooling system is arranged in the injection mold, so that the injection mold can be rapidly cooled, and the molding speed of the product is improved; however, in the disposable plastic cup with a high cup body and a small capacity, due to the limitation of the shape, the core piece required by the inner cup surface of the disposable plastic cup is high, and the core piece needs to be provided with a top blowing structure, so that the core piece is simpler in structural design for a cooling system, and the cooling effect cannot be better, and an improved technical scheme is needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.
An efficient cooling injection mold comprises an upper template, an upper mold core, a lower mold core and a lower template which are sequentially arranged from top to bottom, wherein the upper mold core is fixedly connected with the upper template, the lower mold core is fixedly connected with the lower template, an outer cup surface profile groove with a downward opening is formed in the upper mold core, an inner cup surface profile block corresponding to the outer cup surface profile groove is arranged on the lower mold core, a glue feeding mechanism is arranged on the upper template, and the glue feeding mechanism penetrates downwards to be communicated with the outer cup surface profile groove;
a cooling structure is arranged in the lower die core, the cooling structure comprises a communicating groove and a plurality of cooling flow channels which are uniformly distributed around the communicating groove, the cooling flow channels are in an inverted V-shaped structure, two ends of each cooling flow channel extend out of the lower end of the lower die core, a cooling supply pipeline and a cooling discharge pipeline are arranged in the lower die plate, one end of each cooling supply pipeline and one end of each cooling discharge pipeline extend to the side surface of the lower die plate, the other end of each cooling supply pipeline and the other end of each cooling discharge pipeline extend to the upper end of the lower die plate, two adjacent cooling flow channels are respectively in sealed butt joint with the cooling supply pipeline and the cooling discharge pipeline, and two ends of the other two adjacent cooling flow channels are sequentially connected end to end, so that the plurality of cooling flow channels form communicating flow channels which enter from the butt joint end of the cooling supply pipeline and are discharged from the butt joint end of the cooling discharge pipeline; the communicating groove is arranged on the upper part of the inner cup surface contour block, and the upper part of the cooling flow channel is communicated with the communicating groove.
Preferably, the lower end of the lower mold core is provided with a first transition flow channel corresponding to the position between two adjacent cooling flow channels which are sequentially connected end to end.
Preferably, the upper end of the inner cup surface contour block is provided with an insertion block, the communication groove is formed in the middle of the lower end of the insertion block, the middle of the inner cup surface contour block is provided with a screw through hole penetrating through the lower template, a tightening screw rod is arranged in the screw hole, and the tightening screw rod is in threaded connection with the lower portion of the communication groove so that the insertion block is in sealing fit with the inner cup surface contour block; the upper portion of cooling runner extends to in the inserted block, is located in the inserted block and is provided with the second transition runner between the upper portion of cooling runner and the upper portion of intercommunication groove, and the cooling runner passes through the second transition runner and communicates with the intercommunication groove.
Preferably, the cooling flow channel comprises a transition groove, a first flow channel and a second flow channel, the lower ends of the first flow channel and the second flow channel extend out of the lower end of the lower die core, the upper ends of the first flow channel and the second flow channel extend out of the upper end of the inner cup surface contour block, and the transition groove is arranged at the lower end of the insert block.
Preferably, the insert block is provided with a trapezoidal block extending downwards around the corresponding communicating groove, the upper end of the inner cup surface contour block is provided with a trapezoidal groove matched with the trapezoidal block, and the trapezoidal block is matched with the trapezoidal groove in a matched manner.
Preferably, the efficient cooling injection mold further comprises a top blowing structure, the top blowing structure comprises two product external blowing pipelines and two product internal blowing pipelines, the lower ends of the two product external blowing pipelines are arranged at the tops of the outer cup surface contour grooves, the lower ends of the two product external blowing pipelines are symmetrical to each other along the center line of the outer cup surface contour grooves, and the upper ends of the two product external blowing pipelines extend to the side face of the upper template; the product internal blowing pipeline is provided with two, the upper ends of the two product external blowing pipelines all extend to the upper end of the insertion block, the upper ends of the two product external blowing pipelines are symmetrical to each other along the central line of the insertion block, and the lower ends of the two product external blowing pipelines all extend to the side face of the lower template.
Preferably, a first sealing ring and a second sealing ring are arranged at the upper end of the lower template, the product internal blowing pipe corresponds to the inside of the first sealing ring, the first transition flow channel, the cooling supply pipeline and the cooling discharge pipeline all correspond to the inside of the second sealing ring, and the first transition flow channel, the cooling supply pipeline and the cooling discharge pipeline all correspond to the outside of the first sealing ring.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up a cooling structure inside lower mould benevolence, the cooling structure adopts a plurality of cooling flow channels that are inverted V-arrangement structure, through connecting two of them cooling flow channels respectively in cooling supply pipeline and cooling discharge pipe, adjacent cooling flow channel carries out end to end in addition, thereby a communicating flow channel that meanders from top to bottom has been constituted, cooling fluid flows in from cooling supply pipeline, flow from cooling discharge pipe again, make interior cup face profile modeling piece can cool off in the at utmost, thereby the cooling shaping effect has been improved greatly, the time that the product shaping consumes has been reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view in partial cross-section of a portion of the present invention relating to a cooling structure;
FIG. 2 is a schematic diagram of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic cross-sectional view of a portion of the insert of the present invention;
FIG. 4 is a schematic diagram of the structure of FIG. 3 at B in accordance with the present invention;
FIG. 5 is a schematic cross-sectional structural view of the present invention relating to a blow-top portion;
FIG. 6 is a schematic view of the structure of the lower template of the present invention.
The reference numerals and names in the figures are as follows:
the device comprises an upper template 10, an upper mold core 20, a lower mold core 30, a lower template 40, a glue feeding mechanism 11, an outer cup surface profiling groove 21, an inner cup surface profiling block 31, an inserting block 32, a screwing screw rod 33, a cooling supply pipeline 41, a cooling discharge pipeline 42, a first sealing ring 43, a second sealing ring 44, a communicating groove 51, a cooling flow channel 52, a first transition flow channel 53, a second transition flow channel 54, a product outer blowing pipeline 61, a product inner blowing pipeline 62, a trapezoidal groove 311, a trapezoidal block 321, a transition groove 521, a first flow channel 522 and a second flow channel 523.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, in the embodiment of the present invention, an efficient cooling injection mold includes an upper mold plate 10, an upper mold core 20, a lower mold core 30, and a lower mold plate 40, which are sequentially disposed from top to bottom, wherein the upper mold core 20 is fixedly connected to the upper mold plate 10, the lower mold core 30 is fixedly connected to the lower mold plate 40, the upper mold core 20 is provided with an outer cup surface contour groove 21 having a downward opening, the lower mold core 30 is provided with an inner cup surface contour block 31 corresponding to the outer cup surface contour groove 21, the upper mold plate 10 is provided with a glue inlet mechanism 11, and the glue inlet mechanism 11 is downwardly inserted into and communicated with the outer cup surface contour groove 21;
a cooling structure is arranged in the lower die core 30, the cooling structure comprises a communication groove 51 and a plurality of cooling flow channels 52 uniformly distributed around the communication groove 51, the cooling flow channels 52 are in an inverted V-shaped structure, two ends of the cooling flow channels 52 extend out of the lower end of the lower die core 30, a cooling supply duct 41 and a cooling discharge duct 42 are formed in the lower mold plate 40, one ends of the cooling supply duct 41 and the cooling discharge duct 42 extend to the side of the lower mold plate 40, the other ends of the cooling supply duct 41 and the cooling discharge duct 42 extend to the upper end of the lower mold plate 40, two adjacent cooling channels 52 are in sealed abutment with the cooling supply duct 41 and the cooling discharge duct 42 respectively, two ends of other two adjacent cooling channels 52 are sequentially connected end to end, so that the plurality of cooling channels 52 form a communicating channel which enters from the butt end of the cooling supply pipeline 41 and is discharged from the butt end of the cooling discharge pipeline 42; the communication groove 51 is provided above the inner cup surface copying block 31, and the upper portion of the cooling flow passage 52 communicates with the communication groove 51.
In the above technical solution, the upper mold plate 10 is the most movable plate, and drives the upper mold core 20 to move to complete the mold opening and closing actions, the combination of the outer cup surface profiling groove 21 and the inner cup surface profiling block 31 forms a molding cavity, and the upper end of the molding cavity is provided with the glue feeding mechanism 11 for feeding injection molding material into the molding cavity; wherein, inside lower mould benevolence 30 through setting up a cooling structure, the cooling structure adopts a plurality of cooling flow channel 52 that are inverted V-arrangement structure, through connecting two of them cooling flow channel 52 respectively in cooling supply pipeline 41 and cooling discharge line 42, adjacent cooling flow channel 52 carries out end to end in addition, thereby a communicating flow channel that meanders from top to bottom has been constituted, cooling fluid flows in from cooling supply pipeline 41, flow out from cooling discharge line 42 again, make interior cup face profile modeling piece 31 can cool off in the at utmost, thereby greatly improved the cooling shaping effect, the time that the product shaping consumes has been reduced.
As further shown in fig. 2, a first transition flow passage 53 is provided at a position corresponding to a position between two adjacent cooling flow passages 52 which are sequentially connected end to end at the lower end of the lower mold core 30; this technical scheme still makes the upper end of a plurality of cooling flow channels 52 communicate each other through adopting first transition runner 53 to can improve the cooling effect on inner cup face profile modeling piece 31 upper portion, make the shaping product top can the fastest cooling shaping.
As further shown in fig. 1-4, an insertion block 32 is provided at the upper end of the inner cup surface profiling block 31, a communication groove 51 is provided at the middle position of the lower end of the insertion block 32, a screw through hole penetrating through the lower template 40 is provided at the middle of the inner cup surface profiling block 31, a tightening screw 33 is provided in the screw hole, the tightening screw 33 is in threaded connection with the lower part of the communication groove 51, so that the insertion block 32 is in sealing fit with the inner cup surface profiling block 31; the upper part of the cooling flow passage 52 extends into the insert block 32, a second transition flow passage 54 is arranged between the upper part of the cooling flow passage 52 and the upper part of the communication groove 51 in the insert block 32, and the cooling flow passage 52 is communicated with the communication groove 51 through the second transition flow passage 54; the cooling flow channel 52 comprises a transition groove 521, a first flow channel 522 and a second flow channel 523, the lower ends of the first flow channel 522 and the second flow channel 523 both extend out of the lower end of the lower die core 30, the upper ends of the first flow channel 522 and the second flow channel 523 both extend out of the upper end of the inner cup surface profiling block 31, and the transition groove 521 is arranged at the lower end of the insert block 32; the upper end of the inner cup surface profiling block 31 is provided with the inserting block 32, so that the arrangement of the communicating groove 51 and the cooling flow channel 52 can be facilitated, the upper parts of the communicating groove 51 and the cooling flow channel 52 are arranged on the inserting block 32, the arrangement of the communicating groove 51 and the communication arrangement between the upper parts of the communicating groove 51 and the cooling flow channel 52 can be facilitated, and the difficulty in manufacturing the mold is reduced.
As further shown in fig. 4, a trapezoidal block 321 is formed by extending downward around the insert block 32 corresponding to the communication groove 51, a trapezoidal groove 311 matching with the trapezoidal block 321 is formed at the upper end of the inner cup surface profiling block 31, and the trapezoidal block 321 is matched with the trapezoidal groove 311 in a butt joint manner; the sealing degree between the insert block 32 and the inner cup surface profiling block 31 is improved.
As further shown in fig. 5-6, the efficient cooling injection mold further comprises a top blowing structure, the top blowing structure comprises two product external blowing pipelines 61 and two product internal blowing pipelines 62, the lower ends of the two product external blowing pipelines 61 are arranged at the tops of the outer cup surface contour grooves 21, the lower ends of the two product external blowing pipelines 61 are symmetrical to each other along the center line of the outer cup surface contour grooves 21, and the upper ends of the two product external blowing pipelines 61 extend to the side surfaces of the upper mold plate 10; the number of the product internal blowing pipelines 62 is two, the upper ends of the two product external blowing pipelines 61 extend to the upper end of the insert block 32, the upper ends of the two product external blowing pipelines 61 are symmetrical to each other along the central line of the insert block 32, and the lower ends of the two product external blowing pipelines 61 extend to the side face of the lower template 40; a first sealing ring 43 and a second sealing ring 44 are arranged at the upper end of the lower template 40, the product internal blowing pipeline 62 is arranged in the first sealing ring 43, the first transition flow passage 53, the cooling supply pipeline 41 and the cooling discharge pipeline 42 are arranged in the second sealing ring 44, and the first transition flow passage 53, the cooling supply pipeline 41 and the cooling discharge pipeline 42 are arranged outside the first sealing ring 43;
in the technical means, through setting up the top blowing structure, the top blowing structure includes a product outer blowing pipeline 61 and a product inner blowing pipeline 62, the product outer blowing pipeline 61 is used for carrying out air-blowing separation on the outer surface of the formed injection molding product and the outer cup surface contour groove 21, the product inner blowing pipeline 62 is used for carrying out air-blowing separation on the inner surface of the formed injection molding product and the inner cup surface contour block 31, thereby realizing the operation of top blowing demoulding, a first sealing ring 43 and a second sealing ring 44 are arranged on the lower template 40, the position between the lower template 40 and the lower mould core 30 of the top blowing structure and the position between the lower template 40 and the lower mould core 30 of the cooling structure are sealed and isolated, meanwhile, the lower template 40 and the lower mould core 30 are also used for carrying out sealing matching, and a gap which is not communicated with each other is ensured between the top blowing structure and the cooling structure.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. An efficient cooling injection mold comprises an upper template, an upper mold core, a lower mold core and a lower template which are sequentially arranged from top to bottom, wherein the upper mold core is fixedly connected with the upper template, and the lower mold core is fixedly connected with the lower template;
a cooling structure is arranged in the lower die core, the cooling structure comprises a communicating groove and a plurality of cooling flow channels which are uniformly distributed around the communicating groove, the cooling flow channels are in an inverted V-shaped structure, two ends of each cooling flow channel extend out of the lower end of the lower die core, a cooling supply pipeline and a cooling discharge pipeline are arranged in the lower die plate, one end of each cooling supply pipeline and one end of each cooling discharge pipeline extend to the side surface of the lower die plate, the other end of each cooling supply pipeline and the other end of each cooling discharge pipeline extend to the upper end of the lower die plate, two adjacent cooling flow channels are respectively in sealed butt joint with the cooling supply pipeline and the cooling discharge pipeline, and two ends of the other two adjacent cooling flow channels are sequentially connected end to end, so that the plurality of cooling flow channels form communicating flow channels which enter from the butt joint end of the cooling supply pipeline and are discharged from the butt joint end of the cooling discharge pipeline; the communicating groove is arranged on the upper part of the inner cup surface contour block, and the upper part of the cooling flow channel is communicated with the communicating groove.
2. The efficient cooling injection mold according to claim 1, wherein the lower end of the lower mold core is provided with a first transition flow channel corresponding to a position between two adjacent cooling flow channels which are connected end to end in sequence.
3. The efficient cooling injection mold according to claim 1, wherein an insert block is arranged at the upper end of the inner cup surface contour block, the communication groove is arranged in the middle of the lower end of the insert block, a screw through hole penetrating through the lower mold plate is arranged in the middle of the inner cup surface contour block, a tightening screw rod is arranged in the screw hole, and the tightening screw rod is in threaded connection with the lower part of the communication groove to enable the insert block to be in sealing fit with the inner cup surface contour block; the upper portion of cooling runner extends to in the inserted block, is located in the inserted block and is provided with the second transition runner between the upper portion of cooling runner and the upper portion of intercommunication groove, and the cooling runner passes through the second transition runner and communicates with the intercommunication groove.
4. The efficient cooling injection mold according to claim 3, wherein the cooling runner comprises a transition groove, a first runner and a second runner, the lower ends of the first runner and the second runner extend out of the lower end of the lower mold core, the upper ends of the first runner and the second runner extend out of the upper end of the inner cup surface contour block, and the transition groove is arranged at the lower end of the insert block.
5. The efficient cooling injection mold according to claim 3, wherein a trapezoidal block extends downwards around the corresponding communicating groove of the insert block, a trapezoidal groove matched with the trapezoidal block is formed at the upper end of the inner cup surface contour block, and the trapezoidal block is matched with the trapezoidal groove in a matched joint manner.
6. The efficient cooling injection mold according to claim 3, wherein the efficient cooling injection mold further comprises a top blowing structure, the top blowing structure comprises two product outer blowing pipelines and two product inner blowing pipelines, the lower ends of the two product outer blowing pipelines are arranged at the tops of the outer cup surface contour grooves, the lower ends of the two product outer blowing pipelines are symmetrical to each other along the center line of the outer cup surface contour grooves, and the upper ends of the two product outer blowing pipelines extend to the side face of the upper mold plate; the product internal blowing pipeline is provided with two, the upper ends of the two product external blowing pipelines all extend to the upper end of the insertion block, the upper ends of the two product external blowing pipelines are symmetrical to each other along the central line of the insertion block, and the lower ends of the two product external blowing pipelines all extend to the side face of the lower template.
7. A high efficiency cooling injection mold as defined in claim 3, wherein a first seal ring and a second seal ring are provided at the upper end of the lower mold plate, the product internal blow pipe corresponds to the inside of the first seal ring, the first transition flow passage, the cooling supply pipe and the cooling discharge pipe all correspond to the inside of the second seal ring, and the first transition flow passage, the cooling supply pipe and the cooling discharge pipe all correspond to the outside of the first seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122660473.2U CN216267463U (en) | 2021-11-02 | 2021-11-02 | High-efficient cooling injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122660473.2U CN216267463U (en) | 2021-11-02 | 2021-11-02 | High-efficient cooling injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216267463U true CN216267463U (en) | 2022-04-12 |
Family
ID=81003356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122660473.2U Active CN216267463U (en) | 2021-11-02 | 2021-11-02 | High-efficient cooling injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216267463U (en) |
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2021
- 2021-11-02 CN CN202122660473.2U patent/CN216267463U/en active Active
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| CP02 | Change in the address of a patent holder |
Address after: No. 158, Shipai Section, Dongyuan Avenue, Shipai Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan mingcan plastic products Co.,Ltd. Address before: 523000 No.1, West 1st Road, jinfenghuang Avenue, Huangdong village, Fenggang town, Dongguan City, Guangdong Province Patentee before: Dongguan mingcan plastic products Co.,Ltd. |
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