CN212194042U

CN212194042U - High-efficient hot runner nozzle

Info

Publication number: CN212194042U
Application number: CN202020688199.2U
Authority: CN
Inventors: 卢晓军
Original assignee: Kunshan Loshide Electronic Materials Co ltd
Current assignee: Kunshan Loshide Electronic Materials Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-22
Anticipated expiration: 2030-04-29

Abstract

The utility model belongs to the technical field of injection molding machines, in particular to a high-efficiency hot runner nozzle, which comprises a heat insulation sealing sleeve, wherein the inner side of the heat insulation sealing sleeve is provided with a solution through pipe, the outer side of the solution through pipe is sleeved with a spiral heating wire, and the inner side of the heat insulation sealing sleeve is provided with a high-temperature-resistant heat insulation plate; when using this equipment, can carry out the temperature of monitoring facilities at any time by temperature sensor, do benefit to the staff in time to make the adjustment, avoid the high temperature or cross the condition such as low influence its normal use excessively, and, when using, in order to prevent to lead to the solution siphunculus to warp under lasting high temperature state and produce the weeping, usable radiating block carries out preliminary heat dissipation, ultra-thin heat pipe in the usable radiating block conducts heat afterwards, the one end of ultra-thin heat pipe is the heliciform setting, the area of contact with the radiating block has been increased, the efficiency of conduction heat is higher, furthermore, ultra-thin heat pipe is with heat transfer to in the cooling tube, cool down dispels the heat once more through the coolant liquid in the cooling tube, excellent in use effect.

Description

High-efficient hot runner nozzle

Technical Field

The utility model belongs to the technical field of the injection molding machine, concretely relates to high-efficient hot runner nozzle.

Background

An injection moulding machine, also known as an injection moulding machine or an injection machine, is a main moulding device for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic moulding mould, has a working principle similar to that of an injection syringe for injection, injects the plastified molten plastic (i.e. viscous state) into a closed mould cavity through a hot runner nozzle by means of the thrust of a screw (or a plunger), and obtains the product after solidification and shaping.

The prior art has the following problems:

the hot runner nozzle that present injection molding machine used uses under the state of lasting high temperature for a long time, causes the nozzle to warp more easily, can take place the condition of weeping even, and the majority does not set up the device that cools down to the nozzle, uses especially inconveniently.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a high-efficient hot runner nozzle has and to cool down the nozzle for hot runner nozzle can be long-time continuation carry out the characteristics of work under high temperature state.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency hot runner nozzle comprises a heat insulation sealing sleeve, wherein a melt through pipe is arranged on the inner side of the heat insulation sealing sleeve, a spiral heating wire is sleeved on the outer side of the melt through pipe, a high-temperature-resistant heat insulation plate is arranged on the inner side of the heat insulation sealing sleeve, an upper isolation pad is fixedly connected to the top of the high-temperature-resistant heat insulation plate, a lower isolation pad is fixedly connected to the bottom of the high-temperature-resistant heat insulation plate, a temperature sensor is arranged on one side of the upper isolation pad, the inner side of the high-temperature-resistant heat insulation plate is communicated with an isolation sleeve in a penetrating manner, a heat dissipation block is arranged on one side of the lower isolation pad and is attached to the melt through pipe, a fixing bolt is arranged on the inner side of the heat dissipation block, one side of the fixing bolt penetrating through the heat insulation, and the hot runner nozzle is communicated with the melt through pipe, a spray pipe is embedded in the inner side of the hot runner nozzle, and a connecting nozzle cap is sleeved on the outer side of the hot runner nozzle.

Preferably, the upper isolation pad and the lower isolation pad are matched in structural size, and both the upper isolation pad and the lower isolation pad are made of high-temperature-resistant materials.

Preferably, the inner side of the isolation sleeve is provided with through holes distributed in an annular array, and the isolation sleeve is respectively communicated with the upper isolation pad and the lower isolation pad in a penetrating manner.

Preferably, one end of the ultrathin heat pipe is spirally arranged, and the other end of the ultrathin heat pipe penetrates and is communicated with the heat insulation sealing sleeve.

Preferably, the outer side of the heat insulation sealing sleeve is provided with a cooling pipe, the inner side of the cooling pipe is provided with cooling liquid, and one end of the ultrathin heat pipe penetrates through one side of the cooling pipe and is communicated with the cooling liquid.

Compared with the prior art, the beneficial effects of the utility model are that:

through the spiral heating wire that sets up, temperature sensor, radiating block and ultra-thin heat pipe etc, when using this equipment, can carry out monitoring facilities's temperature at any time by temperature sensor, do benefit to the staff and in time make the adjustment, avoid the high temperature or cross low its normal use that influences, and, when using, in order to prevent to lead to the solution siphunculus to warp the condition such as production weeping under lasting high temperature state, usable radiating block carries out preliminary heat dissipation, ultra-thin heat pipe in the usable radiating block conducts heat afterwards, the one end of ultra-thin heat pipe is the heliciform setting, increased the area of contact with the radiating block, the efficiency of conduction heat is higher, furthermore, ultra-thin heat pipe is with heat transfer to the cooling tube in, the cooling liquid cooling of once more through the cooling tube, excellent in use effect.

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 structural view of the present invention;

fig. 2 is a schematic structural diagram of a position a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the external structure of the connection nozzle cap of the present invention;

in the figure: 1. a heat-insulating sealing sleeve; 2. carrying out melt pipe communication; 3. a spiral heating wire; 4. a high temperature resistant separator; 5. an upper insulating pad; 6. a lower insulating pad; 7. a temperature sensor; 8. an isolation sleeve; 9. a heat dissipating block; 10. fixing the bolt; 11. an ultra-thin heat pipe; 12. a cooling tube; 13. a hot runner nozzle; 14. a nozzle; 15. a mouth cap is connected.

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.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: a high-efficiency hot runner nozzle comprises a heat insulation sealing sleeve 1, the inner side of the heat insulation sealing sleeve 1 is provided with a melt through pipe 2, the outer side of the melt through pipe 2 is sleeved with a spiral heating wire 3, the inner side of the heat insulation sealing sleeve 1 is provided with a high temperature resistant heat insulation board 4, the top of the high temperature resistant heat insulation board 4 is fixedly connected with an upper isolation pad 5, the bottom of the high temperature resistant heat insulation board 4 is fixedly connected with a lower isolation pad 6, one side of the upper isolation pad 5 is provided with a temperature sensor 7, the inner side of the high temperature resistant heat insulation board 4 is communicated with an isolation sleeve 8 in a penetrating way, one side of the lower isolation pad 6 is provided with a heat dissipation block 9, the heat dissipation block 9 is connected to the melt through pipe 2 in a laminating way, the inner side of the heat dissipation block 9 is provided with a fixing bolt 10, one side of the fixing bolt, and the hot runner nozzle 13 is communicated with the melt through pipe 2, the inner side of the hot runner nozzle 13 is embedded with a spray pipe 14, and the outer side of the hot runner nozzle 13 is sleeved with a connecting nozzle cap 15.

In this embodiment: when using this equipment, can carry out the temperature of monitoring facilities at any time by temperature sensor 7, do benefit to the staff in time to make the adjustment, avoid the high temperature or cross the condition such as low influence its normal use excessively, and, when using, in order to prevent to lead to the solution siphunculus 2 deformation to produce weeping under lasting high temperature state, usable radiating block 9 carries out preliminary heat dissipation, ultra-thin heat pipe 11 in the usable radiating block 9 carries out heat conduction afterwards, the one end of ultra-thin heat pipe 11 is the heliciform setting, increased the area of contact with radiating block 9, heat conduction's efficiency is higher, furthermore, ultra-thin heat pipe 11 is with heat transfer to the cooling tube 12 in, cool down dispels the heat once more through the coolant liquid in the cooling tube 12, excellent in use effect.

Specifically, the upper isolation pad 5 and the lower isolation pad 6 are matched in structural size, and the upper isolation pad 5 and the lower isolation pad 6 are both made of high-temperature-resistant materials; reduce other parts and temperature sensor 7 contact, avoid influencing temperature sensor 7 and carry out the temperature measurement.

Specifically, through holes distributed in an annular array are formed in the inner side of the isolation sleeve 8, and the isolation sleeve 8 is respectively communicated with the upper isolation pad 5 and the lower isolation pad 6 in a penetrating manner; the hot gas can pass through the isolation sleeve 8, so that the temperature measurement can be conveniently carried out.

Specifically, one end of the ultrathin heat pipe 11 is spirally arranged, and the other end of the ultrathin heat pipe 11 is communicated with the heat insulation sealing sleeve 1 in a penetrating manner; the spiral arrangement is more beneficial to heat conduction, and the subsequent heat dissipation use is convenient.

Specifically, a cooling pipe 12 is arranged on the outer side of the heat insulation sealing sleeve 1, cooling liquid is arranged on the inner side of the cooling pipe 12, and one end of the ultrathin heat pipe 11 penetrates through one side of the cooling pipe 12 and is communicated with the cooling liquid; the heat conducted by the ultra-thin heat pipe 11 is cooled with higher speed, so that the melt through pipe 2 is prevented from deforming due to high temperature, and the use of the device is prevented from being influenced.

The utility model discloses a theory of operation and use flow: inject the raw materials into through melt siphunculus 2, utilize spiral heating wire 3 to heat, when heating, monitor by temperature sensor 7, when using spiral heating wire 3 to heat, prevent to lead to melt siphunculus 2 deformation weeping etc. under lasting high temperature state, utilize radiating block 9 to carry out preliminary heat dissipation, and ultra-thin heat pipe 11 in the usable radiating block 9 carries out heat conduction, and is further, ultra-thin heat pipe 11 is heat transfer to the cooling tube 12 in, cool down through the cooling liquid in the cooling tube 12 dispels the heat once more, excellent in use effect, can carry out the injection molding by spray tube 14 in the hot runner nozzle 13 afterwards.

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

1. The utility model provides a high-efficient hot runner nozzle, includes thermal-insulated seal cover (1), its characterized in that: the heat insulation device is characterized in that a solution through pipe (2) is arranged on the inner side of the heat insulation sealing sleeve (1), a spiral heating wire (3) is sleeved on the outer side of the solution through pipe (2), a high-temperature-resistant heat insulation plate (4) is arranged on the inner side of the heat insulation sealing sleeve (1), an upper isolation pad (5) is fixedly connected to the top of the high-temperature-resistant heat insulation plate (4), a lower isolation pad (6) is fixedly connected to the bottom of the high-temperature-resistant heat insulation plate (4), a temperature sensor (7) is arranged on one side of the upper isolation pad (5), an isolation sleeve (8) is communicated with the inner side of the high-temperature-resistant heat insulation plate (4) in a penetrating manner, a heat dissipation block (9) is arranged on one side of the lower isolation pad (6), the heat dissipation block (9) is connected to the solution through pipe (2) in a laminating manner, a fixing bolt (10) is arranged, the heat dissipation device is characterized in that an ultrathin heat pipe (11) is arranged on the inner side of the heat dissipation block (9), a hot runner nozzle (13) is arranged on the inner side of the heat insulation sealing sleeve (1), the hot runner nozzle (13) is communicated with a solution through pipe (2), a spray pipe (14) is embedded in the inner side of the hot runner nozzle (13), and a connecting nozzle cap (15) is sleeved on the outer side of the hot runner nozzle (13).

2. A high efficiency hot runner nozzle as claimed in claim 1, wherein: the structure size of the upper isolation pad (5) is matched with that of the lower isolation pad (6), and the upper isolation pad (5) and the lower isolation pad (6) are both made of high-temperature-resistant materials.

3. A high efficiency hot runner nozzle as claimed in claim 1, wherein: the through holes distributed in an annular array are formed in the inner side of the isolation sleeve (8), and the isolation sleeve (8) penetrates through and is communicated with the upper isolation pad (5) and the lower isolation pad (6) respectively.

4. A high efficiency hot runner nozzle as claimed in claim 1, wherein: one end of the ultrathin heat pipe (11) is spirally arranged, and the other end of the ultrathin heat pipe (11) penetrates through and is communicated with the heat insulation sealing sleeve (1).

5. A high efficiency hot runner nozzle as claimed in claim 1, wherein: the outer side of the heat insulation sealing sleeve (1) is provided with a cooling pipe (12), the inner side of the cooling pipe (12) is provided with cooling liquid, and one end of the ultrathin heat pipe (11) penetrates through one side of the cooling pipe (12) and is communicated with the cooling liquid.