CN212707811U - Hot runner system for injection mold - Google Patents

Hot runner system for injection mold Download PDF

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Publication number
CN212707811U
CN212707811U CN202021247247.0U CN202021247247U CN212707811U CN 212707811 U CN212707811 U CN 212707811U CN 202021247247 U CN202021247247 U CN 202021247247U CN 212707811 U CN212707811 U CN 212707811U
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China
Prior art keywords
mold
hot runner
hot
base
heat flow
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CN202021247247.0U
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Chinese (zh)
Inventor
张利杰
鲁俊
沈宜兵
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Shanghai Anry Mold Component Co ltd
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Shanghai Anry Mold Component Co ltd
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Abstract

The utility model discloses a hot runner system for an injection mold, which comprises an upper mold base and a lower mold base, wherein the upper mold base and the lower mold base are internally provided with a heat flow cavity, a mold heat flow passage plate is arranged in the heat flow cavity, a main heat flow passage and a branch heat flow passage are arranged in the mold heat flow passage plate, the middle part of the upper side of the upper mold base is provided with a main feed inlet, the four corners of the lower side of the lower mold base are provided with a plurality of injection nozzles, the inner part of the upper mold base is provided with a first resistance heating wire, the inner part of the lower mold base is provided with a second resistance heating wire, and the inner part of the mold heat flow passage plate is provided with a third resistance heating wire, the mold hot runner plate can be uniformly heated inside and outside, and the quality of injection molding products is improved.

Description

Hot runner system for injection mold
Technical Field
The utility model relates to an injection mold technical field specifically is a hot runner system for injection mold.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.
The existing hot runner system for the injection mold is arranged in an integrated structure, so that the hot runner plate of the mold is not convenient to disassemble, assemble and maintain, and is difficult to carry out uniform heating treatment, thereby causing the temperature inconsistency of injection molding heat flow and influencing the quality of products.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hot runner system for injection mold to solve current hot runner system for injection mold, adopt a body structure to set up, be not convenient for like this carry out dismouting maintenance to mould hot runner plate and handle, be difficult to carry out even heat treatment, thereby lead to the temperature inconsistent of the thermal current of moulding plastics, from the quality problem that influences the product.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hot runner system for injection mold, includes upper die base and die holder, the hot flow die cavity has been seted up to upper die base and die holder inside, mould hot runner plate is installed to the hot flow die cavity, main hot runner channel and branch hot runner channel have been seted up to mould hot runner plate inside, upper die base upside mid-mounting has main feed inlet, a plurality of injection nozzles are installed at four turnings of die holder downside, the inside first resistance heater strip that is provided with of upper die base, the inside second resistance heater strip that is provided with of die holder, mould hot runner plate inside is provided with third resistance heater strip.
Furthermore, connecting arms are arranged at two ends of the upper die base and the lower die base and are fixed through bolts.
Further, upper die base upper end mid-mounting has connecting portion, and main feed inlet one end and connecting portion threaded connection.
Furthermore, the mold hot runner plate is arranged to be in a frustum pyramid shape, and triangular openings are formed in two sides of the mold hot runner plate.
Furthermore, one end of the branch heat flow channel is connected with the main heat flow channel, and one end of the branch heat flow channel is communicated with the internal channel of the injection molding nozzle.
Furthermore, the shells of the upper die holder and the lower die holder are provided with heat-insulating layers, and the thickness of each heat-insulating layer is 1-2 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an install the mould heat flow field board at the heat flow pattern intracavity of upper die base and die holder, it is fixed that linking arm and bolted connection are passed through at upper die base and die holder both ends, are convenient for overhaul maintenance treatment to mould heat flow field board dismouting.
2. The utility model discloses an inside first resistance heating wire that is provided with of upper die base, the inside second resistance heating wire that is provided with of die holder, mould hot runner intralamellar part are provided with third resistance heating wire, can realize carrying out even heat treatment inside and outside the mould hot runner plate, and the heating uniformity is better, is convenient for improve the smooth nature that the thermal current was moulded plastics to be favorable to improving the efficiency and the quality of moulding plastics.
3. The utility model discloses an upper die base and die holder shell are provided with the heat preservation, and the heat preservation thickness is 1-2mm, can keep warm to handle to mould hot runner intralamellar part, reduce the loss of heat energy, are convenient for energy-conservingly.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
fig. 3 is a schematic structural view of the mold hot runner plate of the present invention.
In the figure: 1. a lower die holder; 2. an upper die holder; 3. a connecting portion; 4. a main feed inlet; 5. a connecting arm; 6. an injection molding nozzle; 7. a bolt; 8. a mold hot runner plate; 9. a main heat flow channel; 10. a branch heat flow channel; 11. a first resistance heating wire; 12. a third resistance heating wire; 13. a second resistance heating wire; 14. a heat-insulating layer; 15. a hot fluid cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a hot runner system for an injection mold includes an upper mold base 2 and a lower mold base 1, a hot flow cavity 15 is disposed inside the upper mold base 2 and the lower mold base 1, a mold hot flow passage plate 8 is installed inside the hot flow cavity 15 and separately disposed to facilitate disassembly, assembly, maintenance and treatment of the mold hot flow passage plate 8, a main hot flow passage 9 and a branch hot flow passage 10 are disposed inside the mold hot flow passage plate 8, a main feed inlet 4 is installed in the middle of the upper side of the upper mold base 2, a plurality of injection nozzles 6 are installed at four corners of the lower side of the lower mold base 1, hot flow is conveyed to the injection nozzles 6 through the main hot flow passage 9 and the branch hot flow passage 10 inside the mold hot flow passage plate 8 by the main feed inlet 4 for injection treatment, a first resistance heating wire 11 is disposed inside the upper mold base 2, and a second resistance, the inside third resistance heating wire 12 that is provided with of mould hot runner plate 8, first resistance heating wire 11, second resistance heating wire 13 and the 12 outside electric connection of third resistance heating wire have the temperature controller, can realize carrying out even heat treatment inside and outside mould hot runner plate 8, and the heating homogeneity is better, is convenient for improve the smooth nature that the thermal current was moulded plastics to be favorable to improving the efficiency of moulding plastics.
Preferably, connecting arms 5 are installed at two ends of the upper die base 2 and the lower die base 1, and the connecting arms 5 are fixed through bolts 7, so that the hot runner plate 8 of the die can be conveniently dismounted, overhauled and maintained.
Preferably, the middle part of the upper end of the upper die base 2 is provided with the connecting part 3, one end of the main feed port 4 is in threaded connection with the connecting part 3, and the main feed port 4 is convenient to install in the middle part of the upper end of the upper die base 2.
Preferably, the mold hot runner plate 8 is arranged to be in a prismoid shape, and triangular openings are formed in two sides of the mold hot runner plate 8, so that the structural stability is high, and the installation and the fixation are convenient and fast.
Preferably, one end of the branch heat flow channel 10 is connected with the main heat flow channel 9, and one end of the branch heat flow channel 10 is communicated with the internal channel of the injection nozzle 6, so that the heat flow is transmitted in the mold heat flow channel plate 8.
Preferably, the shells of the upper die base 2 and the lower die base 1 are provided with the heat-insulating layer 14, the thickness of the heat-insulating layer 14 is 1-2mm, heat insulation treatment can be performed on the interior of the die hot runner plate 8, heat loss is reduced, and energy conservation is facilitated.
The utility model discloses a theory of operation and use flow: the thermal current is carried to injection molding nozzle 6 blowout by main feed inlet 4 through the inside main hot flow channel 9 of mould hot runner plate 8 and branch hot flow channel 10 and is moulded plastics and handle, through installing mould hot runner plate 8 in the thermal current die cavity 15 of upper die base 2 and die holder 1, upper die base 2 and 1 both ends of die holder are connected fixedly through linking arm 5 and bolt 7, be convenient for to 8 dismouting maintenance handles of mould hot runner plate, and mould hot runner plate 8 sets to the terrace with edge form, and the triangle opening has been seted up to mould hot runner plate 8 both sides, and structural stability is high, the installation is fixed convenient and fast.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a hot runner system for injection mold, includes upper die base (2) and die holder (1), its characterized in that: the hot runner mold comprises an upper mold base (2) and a lower mold base (1), wherein a hot runner cavity (15) is arranged inside the upper mold base (2) and the lower mold base (1), a mold hot runner plate (8) is arranged inside the hot runner cavity (15), a main hot runner passage (9) and a branch hot runner passage (10) are arranged inside the mold hot runner plate (8), a main feed inlet (4) is arranged in the middle of the upper side of the upper mold base (2), a plurality of injection molding nozzles (6) are arranged at four corners of the lower side of the lower mold base (1), a first resistance heating wire (11) is arranged inside the upper mold base (2), a second resistance heating wire (13) is arranged inside the lower mold base (1), and a third resistance heating wire (12) is arranged.
2. The hot-runner system for an injection mold of claim 1, wherein: connecting arms (5) are installed at the two ends of the upper die base (2) and the lower die base (1), and the connecting arms (5) are fixed through bolts (7).
3. The hot-runner system for an injection mold of claim 1, wherein: the upper die holder is characterized in that the middle of the upper end of the upper die holder (2) is provided with a connecting part (3), and one end of the main feed port (4) is in threaded connection with the connecting part (3).
4. The hot-runner system for an injection mold of claim 1, wherein: the mold hot runner plate (8) is arranged to be in a frustum pyramid shape, and triangular openings are formed in two sides of the mold hot runner plate (8).
5. The hot-runner system for an injection mold of claim 1, wherein: one end of the branch heat flow channel (10) is connected with the main heat flow channel (9), and one end of the branch heat flow channel (10) is communicated with the internal channel of the injection molding nozzle (6).
6. The hot-runner system for an injection mold of claim 1, wherein: the shells of the upper die holder (2) and the lower die holder (1) are provided with heat-insulating layers (14), and the thickness of each heat-insulating layer (14) is 1-2 mm.
CN202021247247.0U 2020-07-01 2020-07-01 Hot runner system for injection mold Active CN212707811U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021247247.0U CN212707811U (en) 2020-07-01 2020-07-01 Hot runner system for injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021247247.0U CN212707811U (en) 2020-07-01 2020-07-01 Hot runner system for injection mold

Publications (1)

Publication Number Publication Date
CN212707811U true CN212707811U (en) 2021-03-16

Family

ID=74963727

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021247247.0U Active CN212707811U (en) 2020-07-01 2020-07-01 Hot runner system for injection mold

Country Status (1)

Country Link
CN (1) CN212707811U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A hot runner system for injection mold

Effective date of registration: 20220614

Granted publication date: 20210316

Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch

Pledgor: SHANGHAI ANRY MOLD COMPONENT Co.,Ltd.

Registration number: Y2022310000058

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231107

Granted publication date: 20210316

Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch

Pledgor: SHANGHAI ANRY MOLD COMPONENT Co.,Ltd.

Registration number: Y2022310000058