CN216941652U - Mould benevolence subassembly components of a whole that can function independently sets up injection mold's hot runner system - Google Patents
Mould benevolence subassembly components of a whole that can function independently sets up injection mold's hot runner system Download PDFInfo
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- CN216941652U CN216941652U CN202220086763.2U CN202220086763U CN216941652U CN 216941652 U CN216941652 U CN 216941652U CN 202220086763 U CN202220086763 U CN 202220086763U CN 216941652 U CN216941652 U CN 216941652U
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- hot runner
- hot
- mold
- sprue
- plate
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- 238000002347 injection Methods 0.000 title claims abstract description 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 239000003292 glue Substances 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000009413 insulation Methods 0.000 claims description 15
- 238000001746 injection moulding Methods 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004033 plastic Substances 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 9
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 239000000306 component Substances 0.000 description 19
- 229920001169 thermoplastic Polymers 0.000 description 14
- 239000004416 thermosoftening plastic Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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Abstract
The utility model provides a hot runner system of an injection mold with a mold core assembly in a split mode. The second hot runner assembly is a first main glue runner, an independent glue injection port arranged on the first main glue runner is communicated with a plurality of product phases of the mould, and the first hot runner assembly is a second main glue runner communicated with upper parting surfaces of the product phases of the mould. The first hot runner assembly comprises a sprue bush, a first hot runner plate and a second-level hot sprue bushing I, and the second hot runner assembly comprises a hot sprue bushing, a second hot runner plate and a second-level hot sprue bushing II. The hot runner plates which are independently arranged on the hot runner assemblies can respectively heat the plastic raw material melting liquid entering the first hot runner assembly and the second hot runner assembly in a differentiated mode through the heating devices arranged in the hot runner plates, so that the temperature of the plastic raw material melting liquid entering the mold cavity product grade is guaranteed to be consistent.
Description
Technical Field
The utility model belongs to the technical field of product forming molds, and particularly relates to an injection mold for a plastic product.
Background
The hot runner mold is a mold in which a melt in a runner is not solidified all the time by using a heating device. Because of its shorter molding cycle and more material savings than conventional molds, hot runner molds are used in much wider areas and countries in the world today in developed industries.
Chinese patent publication No. CN214926689U discloses a hot runner mold, wherein the hot runner gating system includes a first feeding assembly and a second feeding assembly, the first feeding assembly includes a first feeding tube, and a first channel, a second channel, a third channel and a first runner which are communicated with the first feeding tube, the second feeding assembly includes a fourth channel, a fifth channel, a sixth channel and a second runner which are communicated with the second feeding tube.
The first feeding assembly and the second feeding assembly of the hot runner mold are identical in structure, and the first feeding assembly and the second feeding assembly which are identical in structure can not perform differential control on numerical values such as flow and pressure on plastic raw material melting liquid entering the first feeding assembly and the second feeding assembly through the internal structure of the feeding assembly in the specific using process of the mold body.
Above-mentioned first feeding subassembly of this hot runner mold and second feeding subassembly share a hot runner plate, and when the plastic raw materials that the injection molding machine jetted into first, second feeding subassembly melt the liquid difference in temperature great, the hot runner plate can't carry out differentiation temperature control to first, second feeding subassembly plastic raw materials melt to the realization gets into that the plastic raw materials of mould product grade melts the liquid temperature difference less or the temperature is unanimous mutually.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a hot runner system of an injection mold with a mold core assembly in a split mode, the hot runner system adopts a combined type three-runner glue spraying design, the three runners are formed by arranging a first hot runner assembly and a second hot runner assembly, the second hot runner assembly is a first main glue runner, an independent glue injection port arranged on the first main glue runner is communicated with a plurality of product phases of the mold, and the first hot runner assembly is a second main glue runner communicated with upper parting surfaces of the product phases of the mold.
The utility model relates to a hot runner system with a mold core assembly provided with an injection mold in a split manner, which adopts the technical scheme that the hot runner system with a compound three-flow-channel glue spraying design comprises a first hot runner assembly and a second hot runner assembly which are arranged in a front mold fixing plate, a water gap plate, a front mold frame, a front mold core and a rear mold core.
Specifically;
the first hot runner assembly comprises a sprue bush arranged on the front mold fixing plate, a first hot runner plate arranged in the sprue bush and communicated with the sprue bush, and a second-level hot sprue bushing I symmetrically connected with the lower ends of the two sides of the first hot runner plate.
The second hot runner assembly comprises a hot sprue bushing arranged on the front mold fixing plate, a second hot runner plate arranged in the water gap plate and communicated with the hot sprue bushing, and a second-level hot sprue bushing II arranged at the lower end of one side of the second hot runner plate in a connecting manner;
the second hot runner plate is arranged at the lower end of the first hot runner plate, and the first hot runner assembly and the second hot runner assembly are arranged in the cavity in the nozzle plate in a vertical T shape.
Further specifically;
the lower end of the sprue bush is connected and arranged at the center of the first hot runner plate, the hot sprue bushing and the second-stage hot sprue bushing are respectively connected and arranged at two sides of the second hot runner plate, and the hot sprue bushing, the second-stage hot sprue bushing and the second-stage hot sprue bushing are arranged in parallel.
The upper end of the sprue bush is fixedly connected with a first connecting hole of the front mold fixing plate through a locating ring I, and the upper end of the hot sprue bushing is fixedly connected with a second connecting hole of the front mold fixing plate through a locating ring II.
A heating device I is arranged at the position where the plate body of the first hot runner plate I is connected with the sprue bush, and a heating device II is arranged on the plate body between the hot sprue nozzle of the second hot runner plate II and the second-stage hot sprue nozzle II.
Preferably, the heating device I is four electric heating pipes arranged on a plate body of a first hot runner plate I, and the heating device II is four electric heating pipes arranged on a plate body of a second hot runner plate II.
Furthermore, the second-stage hot sprue bushing I is a point-pouring-opening feeding hot sprue bushing, and the point-pouring opening is communicated with a glue dispensing opening arranged at the top end of the product grade of the parting surface of the left die core body and the parting surface of the right die core body.
Furthermore, the second-stage hot sprue bushing II is a flat sprue feeding hot sprue bushing, and the flat sprue bushing is communicated with a runner branch arranged on the parting surface of the rear mold core.
Preferably, the first hot runner assembly further comprises a heat insulation sleeve I, the second-level heat sprue bushing I is arranged in the heat insulation sleeve I, and the shape of the bottom surface of the heat insulation sleeve I is consistent with the shape of the top wall of the product position of the left mold core body and the top wall of the right mold core body.
Preferably, the second hot runner assembly further comprises a heat-insulating sleeve II, the second-stage heat sprue bushing II is arranged in the heat-insulating sleeve II, and the bottom surface of the heat-insulating sleeve II is communicated with a runner opening formed in the parting surface of the rear mold core.
Preferably, the heating device I, the heating device II, the hot sprue bushing, the second-stage hot sprue bushing I and the second-stage hot sprue bushing II are electrically connected with an electric control device of the injection molding machine through an electric connection socket arranged on the outer side surface of the nozzle plate.
Compared with the background art, the utility model discloses a hot runner mold, which has the following beneficial effects:
1. the first hot runner component and the second hot runner component are respectively provided with a hot runner plate, and the hot runner plates of the first hot runner component and the second hot runner component can respectively heat the molten plastic raw materials entering the first hot runner component and the second hot runner component in a differentiated mode through heating devices arranged in the hot runner plates so as to ensure that the molten plastic raw materials entering the cavity of the mold have consistent temperature.
2. The second hot runner component is a first main glue flow channel, a hot double-sprue flow inlet mode is adopted, and the second-stage hot sprue II is a flat sprue feeding hot sprue so as to meet the requirement of the hot runner component for passing through plastic raw material melt with larger flow in a hot runner.
The advantages of the utility model are not limited to this description, but are described in more detail in the detailed description for better understanding.
Drawings
To illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a three-dimensional schematic view (I) of a mold body of a hot runner system of an injection mold with a mold insert assembly split according to the present invention
FIG. 2 is a three-dimensional schematic view (I) of a first and a second hot runner components of a hot runner system of an injection mold with a mold core component split according to the present invention
FIG. 3 is a three-dimensional schematic view (II) of a first and a second hot runner components of a hot runner system of an injection mold with a mold core component split according to the present invention
FIG. 4 is a three-dimensional schematic view (III) of a first hot runner assembly and a second hot runner assembly of a mold insert assembly split injection mold according to the present invention
FIG. 5 is a three-dimensional schematic view (I) of the first and second hot runner assemblies of the hot runner system of the injection mold with the mold insert assembly being separated in the mold body according to the present invention
FIG. 6 is a three-dimensional schematic view (II) of the first and second hot runner assemblies of the mold insert assembly of the injection mold of the present invention in the mold body
FIG. 7 is a three-dimensional schematic view of the first and second hot runner assemblies of the mold insert assembly of the injection mold of the present invention in the mold body
FIG. 8 is a three-dimensional schematic view (II) of a mold body of a hot runner system of an injection mold with a mold insert assembly split according to the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
The utility model is further illustrated with reference to the accompanying drawings and specific examples.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 8, a hot runner system of an injection mold with a mold core assembly separately arranged according to the present invention adopts a composite three-runner glue spraying design, which includes; a first hot-runner assembly 2 and a second hot-runner assembly 3.
Fig. 1 and 2 show that the first hot runner assembly 2 and the second hot runner assembly 3 are arranged in a front mold fixing plate 11, a nozzle plate 12, a front mold frame 13, a front mold core 14 and a rear mold core 15.
As shown in fig. 2, the front core 14 is composed of a left core 14a and a right core 14b which are arranged in a horizontal split manner, and the front core 14 and the rear core 15 are arranged in a rear mold frame 16.
In particular said first hot runner assembly;
as shown in fig. 3, the first hot runner assembly 2 includes a sprue bushing 21, a first hot runner plate 22, and a secondary hot runner i 23. The upper end of the sprue bush 21 is butted with a first glue injection port of the injection molding machine, the lower end of the sprue bush is connected with the upper end face of the first hot runner plate 22, the two-stage hot sprue nozzles I23 are symmetrically connected and arranged on the lower end faces of two sides of the first hot runner plate 22, and the two-stage hot sprue nozzles I23 are communicated with the sprue bush 21 through hot runners (not shown in the figure) arranged in the first hot runner plate 22.
More specifically, as shown in fig. 5 and fig. 6, a sprue bush 21 of the first hot runner assembly 2 is disposed on the front mold fixing plate 11 in a penetrating manner, a first hot runner plate 22 of the first hot runner assembly 2 is disposed in a cavity 12a in the sprue plate 12, and a second-stage hot sprue bushing i 23 is disposed in a left mold core 14a and a right mold core 14b which are formed by dividing the sprue plate 12, the front mold frame 13, and the front mold core 14 in a penetrating manner.
Specifically, the second hot runner assembly;
as shown in fig. 2, the second hot runner assembly 3 includes a hot sprue 31, a second hot runner plate 32, and a secondary hot sprue ii 33. The upper end of the hot sprue gate 31 is butted with a second glue injection port of the injection molding machine, the lower end of the hot sprue gate is connected with the upper end surface of one side of the second hot runner plate 23, the second-stage hot sprue gate II 33 is connected and arranged on the lower end surface of the other side of the second hot runner plate 23, and the second-stage hot sprue gate II 33 is communicated with the hot sprue gate 31 through a hot runner (not shown in the figure) arranged in the second hot runner plate 23.
More specifically, as shown in fig. 5, a hot sprue bushing 31 of the second hot runner assembly 3 is disposed on the front mold fixing plate 11, a second hot runner plate 32 of the second hot runner assembly 3 is disposed in a cavity 12a of the water nozzle plate 12, and a second hot sprue bushing ii 33 is disposed in a left mold core 14a and a right mold core 14b of the water nozzle plate 12, the front mold frame 13, and the front mold core 14.
Preferably;
as shown in fig. 4, the second hot runner plate 32 is disposed at the lower end of the first hot runner plate 22, and the first hot runner assembly 2 and the second hot runner assembly 3 are arranged in a vertical T-shaped arrangement in the cavity 12a of the nozzle plate 12.
As shown in fig. 2 and 4, the lower end of the sprue bush 21 is connected to the center of the upper end surface of the first hot runner plate 22, the lower end of the hot sprue bushing 31 is connected to the other side of the second hot runner plate 33 opposite to the second hot sprue bushing ii 33, and the second hot sprue bushing i 23 and the second hot sprue bushing ii 33 are arranged in parallel.
Fig. 3 and 4 show fig. 5, the upper end of the sprue bush 21 is fixedly connected and arranged on the first connecting hole 11a of the front mold fixing plate 11 through a positioning ring i 2a, and the upper end of the hot sprue 31 is fixedly connected and arranged on the second connecting hole 11b of the front mold fixing plate 11 through a positioning ring ii 3 a.
The temperature of the hot runner plate of the mold is directly related to whether the mold can normally run or not, so that the temperature in the hot runner plate is kept uniform, and local supercooling and overheating are prevented. The hot runner system of the injection mold with the mold core assembly separately provided according to the present invention controls the temperature of the first hot runner plate 22 and the second hot runner plate 32, respectively.
Specifically, as shown in fig. 3 and 4, a heating device i 2b is disposed on the first hot runner plate i 22, and a heating device ii 3b is disposed on the second hot runner plate ii 32. The heating device I2 b is arranged at the position where the plate body of the first hot runner plate 22I is connected with the sprue bush 12a, and the heating device II 3b is arranged between the hot sprue 31 and the second-stage hot sprue II 33 of the plate body of the second hot runner plate II 32.
As shown in fig. 3 and fig. 4, the heating device i 2b is four electric heating pipes 231 arranged in the plate body of the first hot runner plate i 22, and the heating device ii 3b is four electric heating pipes 231 arranged in the plate body of the second hot runner plate ii 32. The electric heating pipe 231 can enable the hot runner plate to be heated to the required working temperature from a normal temperature within 0.5-1 h.
In order to control the uniformity of the flow rate of the thermoplastic glue solution injected by the injection molding machine when the thermoplastic glue solution enters the production grade of the mold through the first hot runner component 2 and the second hot runner component 3, it is further ensured that the second hot runner component 3 is a first main glue channel, and the first hot runner component 2 is a second main glue channel.
Specifically, as shown in fig. 6, the second-stage hot sprue ii 33 connected to the lower end of one side of the second hot runner plate 32 is a flat gate feeding hot sprue, and the flat gate nozzle 33b is disposed at the dispensing opening 142 disposed at the bottom end of the parting surface of the left mold core 14a and the right mold core 14 b. The flat pouring nozzle 33b is communicated with a runner opening 15b arranged on the parting surface 15a of the rear mold core 15.
The second hot runner component 3 adopts a three-level heating mode, when thermoplastic glue liquid injected by the injection molding machine enters the hot sprue gate 31, the thermoplastic glue liquid is heated at constant temperature by a heating probe arranged in the hot sprue gate 31, when the thermoplastic glue liquid enters the second hot runner plate 32, the thermoplastic glue liquid is heated at constant temperature by a heating device II 3b, and finally, the thermoplastic glue liquid is heated for the last time by a heating probe arranged in the second hot sprue gate II 33 and then enters the production grade of the mold.
The temperature of the thermoplastic glue injected into the second hot runner component 3 by the injection molding machine is stable, and the overflowing glue spraying amount of the flat pouring nozzle 33b of the second-level hot sprue bushing II 33 is large, and the second-level hot sprue bushing II is a first main glue channel of the thermoplastic glue of the injection mold.
Specifically, as shown in fig. 6, the two-stage hot sprue i 23 symmetrically connected to the lower ends of the two sides of the first hot runner plate 21 is a point gate feeding hot sprue, and the point gate 23a is disposed at a dispensing port 141 disposed at the top end of the product grade of the parting surface of the left mold core 14a and the right mold core 14 b.
In order to ensure the sealing performance of the left mold core 14a and the right mold core 14b, and avoid the glue leakage phenomenon at the glue dispensing port 142, the shape of the glue dispensing port 141 of the left mold core 14a and the right mold core 14b is consistent with the shape of the spot-pouring nozzle 23a of the second-level hot sprue bushing I23.
The first hot runner component 2 adopts a two-stage heating mode, when thermoplastic glue injected by an injection molding machine enters the sprue bush 21, the sprue bush 21 does not have a heating function, when the thermoplastic glue enters the first hot runner plate 22, the thermoplastic glue is heated at a constant temperature by the heating device I2 b, and finally, the thermoplastic glue enters the mold production grade after being heated by a heating probe arranged in the two-stage hot sprue I23. The point-pouring nozzle 23a of the second-stage hot sprue bushing I23 is a thermoplastic glue auxiliary channel of the injection mold, and the overflowing glue spraying amount of the point-pouring nozzle 23a is small.
In order to further ensure the constant temperature effect of the plastic melt in the second-stage heat sprue I and the second-stage heat sprue II, the excessive loss of heat is avoided.
Preferably, as shown in fig. 7, the first hot runner assembly 2 further includes a heat insulation sleeve i 24, the second-stage hot sprue i 22 is disposed in a tube body of the heat insulation sleeve i 24, an upper portion of the tube body of the heat insulation sleeve i 24 is embedded in the front mold frame 13, and a lower portion of the tube body is embedded in the dispensing opening 141 of the top walls of the left mold core 14a and the right mold core 14 b.
In order to ensure the sealing performance of the product grade of the left mold core body 14a and the right mold core body 14b and avoid the phenomenon of glue leakage at the glue dispensing 141 port, the shape of the bottom surface of the heat-insulating sleeve I24 is consistent with that of the glue dispensing 141 port on the top wall of the product site of the left mold core body 14a and the right mold core body 14b, and the bottom surface of the heat-insulating sleeve I24 participates in the parting of the product grade of the left mold core body 14a and the right mold core body 14 b.
Preferably, as shown in fig. 7, the second hot runner assembly 3 further includes a heat insulation sleeve ii 34, the second-stage heat sprue ii 33 is disposed in the tube body of the heat insulation sleeve i 24, the upper portion of the tube body of the heat insulation sleeve ii 34 is embedded in the front mold frame 13, and the lower portion of the tube body is embedded in the dispensing openings 142 on the top walls of the left mold core 14a and the right mold core 14 b. The bottom surface of the insulating sleeve II 34 abuts against a runner opening 15b arranged on the parting surface 15a of the rear die core 15.
In order to ensure the electric control heating effect of the first hot runner assembly and the second hot runner assembly of the hot runner system of the injection mold with the mold core assembly in a split manner, the flow and the temperature of the plastic melt are further uniformly configured.
Specifically, as shown in fig. 8, the heating device i 3b, the heating device ii 3b, the hot sprue bushing 31, the secondary hot sprue bushing i 23, and the secondary hot sprue bushing ii 33 are electrically connected to an electric control device of the injection molding machine through an electric connection socket 232 disposed on an outer side surface of the nozzle plate 12.
The above is a detailed description of the hot runner system of the injection mold with the mold core assembly separately disposed according to the embodiment of the present invention, and a person skilled in the art may change the specific implementation manner and the application scope according to the idea of the embodiment of the present invention. In summary, the content of the present specification should not be construed as limiting the present invention, and any modification made according to the design concept of the present invention is within the scope of the present invention.
Claims (10)
1. A hot runner system of an injection mold with a mold core assembly in a split mode is characterized in that the hot runner system adopts a combined type three-channel glue spraying design and comprises a hot runner system and a hot runner system;
the first hot runner assembly and the second hot runner assembly are arranged in the front mold fixing plate, the water gap plate, the front mold frame, the front mold core and the rear mold core;
the first hot runner assembly comprises a sprue bush arranged on the front mold fixing plate, a first hot runner plate arranged in the sprue bush and communicated with the sprue bush, and two-stage hot sprue spurs I symmetrically connected and arranged at the lower ends of two sides of the first hot runner plate;
the second hot runner assembly comprises a hot sprue bushing arranged on the front mold fixing plate, a second hot runner plate arranged in the water gap plate and communicated with the hot sprue bushing, and a second-level hot sprue bushing II arranged at the lower end of one side of the second hot runner plate in a connecting manner;
the second hot runner plate is arranged at the lower end of the first hot runner plate, and the first hot runner assembly and the second hot runner assembly are arranged in the cavity in the nozzle plate in a vertical T shape.
2. The hot runner system of the mold insert assembly split injection mold according to claim 1, wherein the lower end of the sprue bush is connected and disposed at the center of the first hot runner plate;
the heat sprue bushing and the second-stage heat sprue bushing II are respectively connected and arranged at two sides of the second heat runner plate;
the heat squirt nozzle, the second-stage heat squirt nozzle I and the second-stage heat squirt nozzle II are arranged in parallel.
3. The hot runner system of the mold core assembly split injection mold according to claim 1 or 2, wherein the upper end of the sprue bush is fixedly connected and arranged on the first connecting hole of the front mold fixing plate through a positioning ring I;
the upper end of the hot sprue bushing is fixedly connected and arranged on the second connecting hole of the front die fixing plate through a positioning ring II.
4. The hot runner system of the injection mold with the mold core assembly in the split manner as claimed in claim 1, wherein a heating device i is arranged at a position where a first hot runner plate i is connected with the sprue bush;
and a heating device II is arranged on a plate body between the heat sprue gate of the second heat runner plate II and the second-stage heat sprue gate II.
5. The hot runner system of the injection mold with the mold core assembly separately arranged according to claim 4, wherein the heating device I is four electric heating pipes arranged on a plate body of the first hot runner plate I;
and the heating device II is four electric heating pipes arranged in the second hot runner plate II.
6. The hot runner system of the injection mold with the split mold core assembly as claimed in claim 1, wherein the second-stage hot sprue I is a point gate feeding hot sprue, and the point gate is communicated with a dispensing port arranged at the top end of the parting surface of the left mold core body and the right mold core body.
7. The hot runner system of a mold insert assembly split injection mold according to claim 1, wherein the second-stage hot sprue bushing ii is a flat gate feeding hot sprue bushing, and the flat sprue bushing is communicated with a runner opening formed in a parting surface of the rear mold insert.
8. The hot runner system of the mold insert assembly split injection mold according to claim 1, wherein the first hot runner assembly further comprises a heat insulation sleeve i, and the second-stage hot sprue i is disposed in the heat insulation sleeve i;
the shape of the bottom surface of the heat insulation sleeve I is consistent with the shape of the top wall of the product position of the left die core body and the top wall of the product position of the right die core body.
9. The hot runner system of a mold insert assembly split injection mold of claim 1, wherein the second hot runner assembly further comprises a heat insulation sleeve ii, and the second hot sprue bushing ii is disposed in the heat insulation sleeve ii
The bottom surface of the heat insulation sleeve II is communicated with a runner opening arranged on the parting surface of the rear mold core.
10. The hot runner system of the mold insert assembly with the injection mold split according to claim 1, wherein the hot sprue bushing, the second-stage hot sprue bushing i and the second-stage hot sprue bushing ii are electrically connected to an electric control device of the injection molding machine through an electric connection socket disposed on an outer side surface of the nozzle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220086763.2U CN216941652U (en) | 2022-01-13 | 2022-01-13 | Mould benevolence subassembly components of a whole that can function independently sets up injection mold's hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220086763.2U CN216941652U (en) | 2022-01-13 | 2022-01-13 | Mould benevolence subassembly components of a whole that can function independently sets up injection mold's hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216941652U true CN216941652U (en) | 2022-07-12 |
Family
ID=82316634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220086763.2U Expired - Fee Related CN216941652U (en) | 2022-01-13 | 2022-01-13 | Mould benevolence subassembly components of a whole that can function independently sets up injection mold's hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216941652U (en) |
-
2022
- 2022-01-13 CN CN202220086763.2U patent/CN216941652U/en not_active Expired - Fee Related
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