CN218429808U

CN218429808U - Constant-temperature hot runner structure for injection mold

Info

Publication number: CN218429808U
Application number: CN202122224136.9U
Authority: CN
Inventors: 王俊; 薛斌
Original assignee: Yirunte Industrial Intelligent Technology Suzhou Co ltd
Current assignee: Yirunte Industrial Intelligent Technology Suzhou Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2023-02-03
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to an injection mold is with constant temperature hot runner structure belongs to hot runner technical field, which comprises a supporting seat, set up main hot runner passageway and with the communicating branch hot runner passageway of main hot runner passageway in the supporting seat, be provided with constant temperature rabbling mechanism in the main hot runner passageway, one side of branch hot runner passageway is provided with heating mechanism, the one end of keeping away from main hot runner passageway in branch hot runner passageway is provided with the nozzle of moulding plastics, the nozzle of moulding plastics is installed in the supporting seat bottom. The utility model discloses set up the supporting seat into the first die holder of detachable and second die holder, conveniently clear up the hot runner, through setting up constant temperature rabbling mechanism and heating mechanism, make the plastics in the hot runner keep constant temperature.

Description

Constant-temperature hot runner structure for injection mold

Technical Field

The utility model belongs to the technical field of the hot runner, concretely relates to constant temperature hot runner structure for injection mold.

Background

The constant-temperature hot runner enables plastic in a runner and a sprue to be kept in a molten state by a heating method, and molten material retained in the hot runner can be injected into a cavity during the next injection molding, so that the waste of raw materials is reduced. The current constant-temperature hot runner structure still has the problems of large deviation in temperature control, inconvenience in cleaning and the like.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an injection mold is with constant temperature hot runner structure sets up the supporting seat into the first die holder of detachable and second die holder, and the convenience is cleared up the hot runner, through setting up constant temperature rabbling mechanism and heating mechanism, makes the plastics in the hot runner keep constant temperature.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides an injection mold is with constant temperature hot runner structure, includes the supporting seat, set up main hot runner channel and the communicating branch hot runner channel with main hot runner channel in the supporting seat, be provided with constant temperature rabbling mechanism in the main hot runner channel, one side in branch hot runner channel is provided with heating mechanism, the one end that main hot runner channel was kept away from to branch hot runner channel is provided with the nozzle of moulding plastics, the nozzle of moulding plastics is installed in the supporting seat bottom.

As an optimal technical scheme of the utility model, the supporting seat includes first die holder and second die holder, constant temperature rabbling mechanism sets up in first die holder, fix through the installation nail between first die holder and the second die holder.

As a preferred technical scheme of the utility model, the first die holder and the second die holder outside all are provided with the heat preservation.

As a preferred technical scheme of the utility model, constant temperature rabbling mechanism includes bull stick and stirring leaf, the stirring leaf encircles and sets up in the bull stick outside, the both ends of bull stick are rotated and are installed in main hot runner inslot, evenly distributed has the heater strip on the stirring leaf, be provided with the motor in the supporting seat, the output shaft of motor is connected with the one end of bull stick.

As an optimal technical scheme of the utility model, the heated warehouses has been seted up to one side of a hot runner way, heating mechanism includes the heater, the heater sets up in the heated warehouses, one side that the heated warehouses is close to a hot runner way is provided with the absorber plate, install the hot plate with absorber plate assorted position in a hot runner way, absorber plate and hot plate are connected through the heat conduction post.

As a preferred technical scheme of the utility model, the supporting seat top is provided with the feeding mouth, the feeding mouth passes through the connecting seat and installs on the supporting seat.

As an optimized technical scheme of the utility model, be provided with the thermoscope in the branch hot stream passageway.

The beneficial effects of the utility model are that:

(1) The supporting seat is arranged to be a detachable first mold seat and a detachable second mold seat, and the hot runner is convenient to clean.

(2) Through setting up constant temperature rabbling mechanism and heating mechanism, make the plastics in the hot runner keep the constant temperature, avoid plastics to block up in the passageway.

Drawings

To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

description of the main element symbols:

in the figure: 1. a supporting seat; 11. a first die holder; 12. a second die holder; 2. a main heat flow channel; 3. A branch heat flow channel; 4. a constant temperature stirring mechanism; 41. a rotating rod; 42. stirring blades; 43. a motor; 5. A heating mechanism; 51. a heater; 52. a heat absorbing plate; 53. heating plates; 54. a heat-conducting column; 6. an injection molding nozzle; 7. heating a bin; 8. a feed nozzle; 9. a connecting seat; 10. a temperature detector.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-3, a constant temperature hot runner structure for an injection mold includes a supporting base 1, a main hot runner channel 2 and a branch hot runner channel 3 communicated with the main hot runner channel 2 are disposed in the supporting base 1, a constant temperature stirring mechanism 4 is disposed in the main hot runner channel 2, a heating mechanism 5 is disposed on one side of the branch hot runner channel 3, an injection nozzle 6 is disposed at one end of the branch hot runner channel 3 away from the main hot runner channel 2, and the injection nozzle 6 is mounted at the bottom of the supporting base 1. A feeding nozzle 8 is arranged above the supporting seat 1, and the feeding nozzle 8 is installed on the supporting seat 1 through a connecting seat 9.

In this embodiment, the plastics of molten state pass through the feed inlet 8 and pour into main heat flow channel 2 into, stir and preliminary heating through constant temperature rabbling mechanism 4, heat once more when passing branch heat flow channel 3, make plastics remain the molten state throughout, avoid plastics to block up in the passageway, set up branch heat flow channel 3 into a plurality ofly, can accelerate the efficiency of moulding plastics.

Specifically, the supporting seat 1 comprises a first die holder 11 and a second die holder 12, the constant-temperature stirring mechanism 4 is arranged in the first die holder 11, the first die holder 11 and the second die holder 12 are fixed through mounting nails, and insulating layers are arranged on the outer sides of the first die holder 11 and the second die holder 12.

In this embodiment, the first die holder 11 and the second die holder 12 outside are provided with first installation piece and second installation piece respectively, have all seted up the mounting hole on first installation piece and the second installation piece, and the installation nail passes the mounting hole on two installation pieces in proper order and fixes first die holder 11 and second die holder 12, and it is convenient to install and dismantle, conveniently clears up the heat flow channel. The heat preservation layers are arranged on the outer sides of the first die holder 11 and the second die holder 12, so that heat preservation can be performed on a heat flow channel, the loss of heat energy is reduced, and energy conservation is facilitated.

Specifically, the constant temperature stirring mechanism 4 includes a rotating rod 41 and stirring blades 42, the stirring blades 42 are arranged outside the rotating rod 41 in a surrounding manner, two ends of the rotating rod 41 are rotatably installed in the main heat flow channel 2, heating wires are uniformly distributed on the stirring blades 42, a motor 43 is arranged in the supporting seat 1, and an output shaft of the motor 43 is connected with one end of the rotating rod 41.

The branch heat flow channel 3 is internally provided with a temperature detector 10, one side of the branch heat flow channel 3 is provided with a heating chamber 7, the heating mechanism 5 comprises a heater 51, the heater 51 is arranged in the heating chamber 7, one side of the heating chamber 7 close to the branch heat flow channel 3 is provided with a heat absorbing plate 52, a heating plate 53 is arranged in the branch heat flow channel 3 and matched with the heat absorbing plate 52, and the heat absorbing plate 52 is connected with the heating plate 53 through a heat conducting column 54.

In this embodiment, a motor bin is arranged in the supporting seat 1, a motor 43 is installed in the motor bin, and an output shaft of the motor 43 rotates to drive the rotating rod 41 to rotate, so as to drive the stirring blade 42 to stir plastics; heating wires are uniformly distributed on the stirring blades 42, and plastic is heated while stirring. The temperature in the branch heat flow channel 3 can be measured by the temperature detector 10, when the temperature is lower than the set temperature, the heater 51 starts to work, the generated heat is absorbed by the heat absorption plate 52 and is transferred to the heating plate 53 through the heat conduction column 54, and the plastic is heated; when the temperature is higher than the set temperature, the heater 51 stops operating.

The utility model discloses a theory of operation and use flow:

the plastic in a molten state is injected into the main heat flow channel 2 through the feeding nozzle 8, the stirring blade 42 is driven to stir the plastic through the rotation of the output shaft of the motor 43, and the heating wires distributed on the stirring blade 42 heat the plastic; the temperature detector 10 measures the temperature of the plastic passing through the branch heat flow channel 3, when the temperature is lower than the set temperature, the heater 51 starts to work, and the plastic is heated through the heating plate 53 after the generated heat is absorbed by the heat absorption plate 52; when the temperature is higher than the set temperature, the heater 51 stops working, and finally the plastic is injected into the cavity through the injection nozzle 6.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides an injection mold is with constant temperature hot runner structure, includes supporting seat (1), its characterized in that: the utility model discloses a hot runner system, including supporting seat (1), main heat flow channel (2) and the communicating branch heat flow channel (3) of main heat flow channel (2) have been seted up in supporting seat (1), be provided with constant temperature rabbling mechanism (4) in main heat flow channel (2), one side of branch heat flow channel (3) is provided with heating mechanism (5), the one end of keeping away from main heat flow channel (2) in branch heat flow channel (3) is provided with injection molding nozzle (6), injection molding nozzle (6) are installed in supporting seat (1) bottom.

2. The constant-temperature hot runner structure for the injection mold according to claim 1, characterized in that: the supporting seat (1) comprises a first die holder (11) and a second die holder (12), the constant-temperature stirring mechanism (4) is arranged in the first die holder (11), and the first die holder (11) and the second die holder (12) are fixed through mounting nails.

3. The constant-temperature hot runner structure for the injection mold according to claim 2, characterized in that: and heat-insulating layers are arranged on the outer sides of the first die holder (11) and the second die holder (12).

4. The constant-temperature hot runner structure for the injection mold according to claim 1, wherein: constant temperature rabbling mechanism (4) are including bull stick (41) and stirring leaf (42), stirring leaf (42) encircle to set up in bull stick (41) outside, the both ends of bull stick (41) are rotated and are installed in main heat flow channel (2), evenly distributed has the heater strip on stirring leaf (42), be provided with motor (43) in supporting seat (1), the output shaft of motor (43) is connected with the one end of bull stick (41).

5. The constant-temperature hot runner structure for the injection mold according to claim 1, characterized in that: a heating bin (7) is arranged on one side of the branch heat flow channel (3), the heating mechanism (5) comprises a heater (51), the heater (51) is arranged in the heating bin (7), a heat absorption plate (52) is arranged on one side, close to the branch heat flow channel (3), of the heating bin (7), a heating plate (53) is arranged in the branch heat flow channel (3) and matched with the heat absorption plate (52), and the heat absorption plate (52) is connected with the heating plate (53) through a heat conduction column (54).

6. The constant-temperature hot runner structure for the injection mold according to claim 1, characterized in that: a feeding nozzle (8) is arranged above the supporting seat (1), and the feeding nozzle (8) is installed on the supporting seat (1) through a connecting seat (9).

7. The constant-temperature hot runner structure for the injection mold according to claim 1, characterized in that: a temperature detector (10) is arranged in the branch heat flow channel (3).