CN217531707U - Hot nozzle with heat insulation cap - Google Patents

Abstract

The utility model relates to a mould part technical field specifically discloses a heat is chewed with heat insulation cap, including dismantling the heat of connection on the mould sprue gate and chewing the body, this internal installation cavity that is equipped with is chewed to the heat, the installation cavity rigid coupling have can with the injection molding machine on the copper pipe of shunt tubes intercommunication, copper pipe bottom rigid coupling have with the copper core of chewing of pipe intercommunication, it is hollow structure to chew the core, the free end of chewing the core stretches out the installation cavity and can dismantle and be connected with heat insulation cap, the top of chewing the core is equipped with the cover and establishes the insulation cover on the copper pipe, be equipped with the heating coil that can carry out the heating to the copper pipe on the insulation cover, it is serious to have solved the heat energy scattering and disappearing that traditional heat was chewed, influence the temperature that plastics solution got into the mould, plastics solution is slow-slow and flows and influence pouring and product shaping in sprue gate department, lead to the unstable problem of product quality.

Description

Hot nozzle with heat insulation cap

Technical Field

The application relates to the technical field of mould parts, and particularly discloses a heat nozzle with a heat insulation cap.

Background

The plastic products are indispensable daily necessities and living goods at present, the injection molding machine is the main equipment for producing the plastic products, and the quality of the injection molding machine directly influences the quality of the plastic products. The hot nozzle is an end part of a hot runner system, is used as an accessory and is arranged on an injection molding machine, and mainly conveys plastic melt transmitted by a shunt pipe of an injection molding part into a mold core of a mold so as to form a product by injection molding. The temperature that the heat was chewed has decided whether there is cold material and deckle edge in the runner, the plastic product of most engineering material is all reducing cost at present, and the market is more and more high to the requirement of product, just more and more high to the requirement of hot runner like this, especially the requirement becomes high to the heat of hot runner, the inside temperature of injection molding machine influences the plastic solution shaping effect, especially the position of injection molding machine sprue gate extremely leads to the inside temperature loss of injection molding machine, the heat energy dissipation of heat is chewed seriously, and the heat is chewed and is installed inside having less part and template contact formation clearance of mould, less part and outside air contact, can lead to most heat radiation to in the template and the air, the heat loss of sprue gate department can lead to the plastic solution stagnation to influence pouring and product shaping in sprue gate department, also can destroy the heat simultaneously, reduce the life of heat and chew.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve that traditional heat is chewed heat energy scatter and disappear seriously, influence the temperature that plastic solution got into the mould, plastic solution is slow down to flow and influences pouring and product shaping in pouring gate department, leads to the unstable problem of product quality.

In order to achieve the above object, the utility model discloses a basic scheme provides a heat is chewed with heat insulation cap, chew the body including dismantling the heat of connection on the mould sprue gate, this internal installation cavity that is equipped with is chewed to heat, the installation cavity rigid coupling have can with the injection molding machine on the copper pipe of shunt tubes intercommunication, copper pipe bottom rigid coupling have with the core of chewing of copper pipe intercommunication, chew the core and be hollow structure, the free end of chewing the core stretches out the installation cavity and can dismantle and be connected with heat insulation cap, the top of chewing the core is equipped with the cover and establishes the insulation cover on the copper pipe, the insulation cover is equipped with the heating coil that can carry out the heating to the copper pipe.

The principle and effect of this basic scheme lie in:

1. compared with the prior art, the utility model discloses a set up thermal-insulated cap, thermal-insulated cap can avoid hot body of chewing direct with the mould benevolence contact in the mould, keep apart the low temperature of mould benevolence and the high temperature that hot was chewed for temperature in the mould is not heated the influence of chewing, reduces calorific loss, improves the cooling rate of plastic solution, shortens production cycle, improves production efficiency, and thermal-insulated cap can play sealed effect simultaneously, avoids plastic solution to leak the risk of gluing, protects the hot runner better.

2. Compared with the prior art, the utility model discloses a set up copper pipe and heating coil, heating coil carries out the circular telegram control, when the copper pipe is in the magnetic field that is changing, utilize the electromagnetic induction principle, make whole copper intraduct can produce induced electromotive force, just can produce electric current at copper intraduct, the distribution of this kind of electric current in the copper pipe is different along with the distribution of shape and magnetic flux, magnetic line of force in the magnetic field produces countless little vortex in the copper pipe, because copper pipe self has resistance, so the vortex will produce the heat in the copper pipe, reach the purpose of heating, be convenient for improve the circulation of plastic solution.

3. Compared with the prior art, the utility model discloses be equipped with the insulation cover, can play heat retaining effect through adding the insulation cover outside the copper pipe, the temperature can reach stably, reduces heat energy and scatters and disappears, reduces energy loss, improves product quality.

Further, a hot nozzle lining is sleeved on the hot nozzle body. The lining is chewed through setting up the heat and can separate the high temperature of body and the low temperature of mould are chewed to the heat, avoids the heat to chew the body and get into the mould in the heat conduction influence reduce the intraductal temperature of copper, avoids the plastic products after the shaping to appear expecting the flower.

Furthermore, the outer wall of the hot nozzle body is provided with a positioning groove, and a positioning clip which can be clamped into the positioning groove is fixedly connected to the hot nozzle lining. Through setting up the location checkpost and cooperating with the constant head tank, avoid the heat to chew the bush and rotate.

Furthermore, the top of the hot nozzle body is provided with a mounting hole, and a bolt capable of fixing the hot nozzle is arranged in the mounting hole. The bolt is convenient to install by arranging the mounting hole, and the injection molding stability is improved.

Further, a heat insulation sleeve is coated outside the hot nozzle body. The low temperature of the die and the high temperature of the hot nozzle body are isolated by arranging the heat insulation sleeve, so that the plastic solution is prevented from being solidified in the copper pipe.

Furthermore, an annular groove is formed in the nozzle core, and a snap ring which can be clamped into the annular groove is arranged on the heat insulation cap. Through setting up the snap ring be convenient for with chew the annular cooperation of core, prevent that thermal-insulated cap from dropping.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, 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 schematic cross-sectional view of a hot nozzle with an insulated cap according to an embodiment of the present application;

FIG. 2 is a schematic view of a body of a hot nozzle with an insulated cap according to an embodiment of the present application;

FIG. 3 is a schematic view of part A of a hot nozzle with an insulated cap according to an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of an insulating cap of a hot nozzle with an insulating cap according to an embodiment of the present application.

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.

Reference numerals in the drawings of the specification include: the hot nozzle comprises a die 1, a hot nozzle body 2, an installation cavity 3, a copper pipe 4, a nozzle core 5, a heat insulation cap 6, a clamping ring 601, a heat insulation hole 602, a heat insulation sleeve 7, a heating coil 8, a hot nozzle bush 9, a positioning clamp 901, a bolt 10 and a heat insulation sleeve 11.

A hot tip with an insulated cap, embodiments of which are shown in fig. 1, 2, 3 and 4: the thermal nozzle comprises a thermal nozzle body 2 detachably connected to a sprue gate of a mold 1, wherein a mounting hole is formed in the top of the thermal nozzle body 2, a bolt 10 capable of fixing a thermal nozzle on the mold 1 is arranged in the mounting hole, a thermal nozzle bushing 9 is sleeved on the thermal nozzle body 2, a positioning groove is formed in the outer wall of the thermal nozzle body 2, a positioning clip 901 capable of being clamped into the positioning groove is fixedly connected on the thermal nozzle bushing 9, the thermal nozzle bushing 9 is prevented from rotating by arranging the positioning groove and the positioning clip 901, a heat insulation sleeve 11 is coated outside the thermal nozzle body 2, the heat insulation sleeve 11 has a heat insulation effect, a mounting cavity 3 is formed in the thermal nozzle body 2, a copper pipe 4 capable of being communicated with a shunt pipe on an injection molding machine is fixedly connected in the mounting cavity 3, the top end of the copper pipe 4 is communicated with the shunt pipe on the injection molding machine, a nozzle core 5 communicated with the copper pipe 4 is fixedly connected with the bottom end of the copper pipe 4, the nozzle core 5 is of a hollow structure, the bottom end of the nozzle core 5 extends out of the mounting cavity 3 to be clamped with a heat insulation cap 6, a ring groove is formed in the nozzle core 5, a snap ring groove is formed in the heat insulation cap 6, a snap ring groove capable of being clamped into which can be clamped into a cold contraction ring groove 601, and the heat insulation cap 6 can be firmly clamped by utilizing the thermal insulation cap 6 to be expanded by the thermal insulation cap; the bottom of the heat insulation cap 6 is provided with a heat insulation hole 602 through which the nozzle core 5 can pass, a heat insulation sleeve 7 sleeved on the copper pipe 4 is arranged above the nozzle core 5, the heat insulation sleeve 7 plays a role in heat insulation and reduces heat loss, and a heating coil 8 capable of heating the copper pipe 4 is arranged on the heat insulation sleeve 7.

The utility model discloses in the implementation process, through installing insulation cover 11 on the outer wall of body 2 is chewed to heat, overlap insulation cover 11 on chewing core 5, insulation cover 11 plays thermal-insulated effect, avoid heat to chew body 2 contact mould 1 and take place heat-conduction and make the interior copper pipe 4 cooling of heat chewing, the bottom of chewing core 5 passes insulation hole 602 of insulation cover 11, snap ring 601 card of thermal-insulated cap 6 is gone into in chewing the annular on core 5, chew body 2 through heat and chew bush 9 with heat, heat is chewed bush 9 and is played thermal-insulated effect, avoid heat to chew body 2 and get into the interior heat conduction influence of mould 1 and reduce the temperature in the copper pipe 4, avoid the plastic products after the shaping to appear the material flower, the location checkpost 901 card of heat chewing bush 9 is gone into in the constant head tank that body 2 outer wall is chewed to heat, the mould benevolence that insulation cover 11 formed and can prevent the glue leakage, insulation cover 11 can not chew the low temperature of mould benevolence with the high temperature isolation of heat, make the interior heat of mould core not to be chewed the influence of heat pipe of heat conduction of heat pipe and the heat conduction of the interior heat conduction of the inside eddy current line of the copper pipe 4 of the production and can shorten the heat conduction structure of the copper pipe in the whole eddy current induction 4, so that the copper pipe can produce the inside the eddy current line of the heat conduction structure of the copper pipe 4.

Compared with the prior art, the utility model discloses a set up copper pipe 4 and heating coil 8, the plastics solution that flows through heats, play and avoid plastics solution flow in-process to take place the condensation and cause the jam, set up insulation cover 7 and radiation shield 11 simultaneously and play the effect that isolation mould 1 chewed the temperature with heat, avoid taking place the heat transfer, thermal-insulated effect is played to thermal-insulated cap 6, the temperature in the mould 1 is not heated the influence of chewing, heat loss has been reduced, improve the cooling rate of plastics solution, shorten production cycle, improve production efficiency, the utility model discloses the structure is ingenious, and the practicality is strong, and it is serious to have solved the heat energy scattering and disappearing that traditional heat was chewed, influences the temperature that plastics solution got into mould 1, and plastics solution stays stagnant and flows and influences pouring and product shaping in sprue department, leads to the unstable problem of product quality.

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 (7)

1. The utility model provides a hot mouth with heat-proof cap which characterized in that: including dismantling the heat of connecting on the mould sprue gate and chewing the body, this internal installation cavity that is equipped with is chewed to heat, and the installation cavity rigid coupling has the copper pipe that can communicate with shunt tubes on the injection molding machine, and copper pipe bottom rigid coupling has the core of chewing with copper pipe intercommunication, chews the core and be hollow structure, and the free end of chewing the core stretches out the installation cavity and can dismantle and be connected with the heat-insulating cap, and the top of chewing the core is equipped with the cover and establishes the insulation cover on the copper pipe, and the insulation cover is sheathe in and is equipped with the heating coil that can carry out the heating to the copper pipe.

2. A hot nozzle with an insulated cap as claimed in claim 1, wherein the bottom of the insulated cap is provided with insulated holes through which the nozzle core can pass.

3. A hot nozzle with an insulated cap as claimed in claim 1, wherein the hot nozzle body is sleeved with a hot nozzle bush.

4. A hot nozzle with an insulation cap as claimed in claim 3, wherein the outer wall of the hot nozzle body is provided with a positioning groove, and a positioning clip which can be clamped into the positioning groove is fixedly connected to the hot nozzle bush.

5. The hot nozzle with the heat insulation cap as claimed in claim 1, wherein a mounting hole is formed in the top of the hot nozzle body, and a bolt for fixing the hot nozzle is arranged in the mounting hole.

6. A hot nozzle with an insulated cap as claimed in claim 5, wherein the body of the hot nozzle is covered with an insulating sleeve.

7. A hot nozzle with a heat insulating cap as claimed in claim 1, wherein the nozzle core is provided with an annular groove, and the heat insulating cap is provided with a snap ring which can be snapped into the annular groove.

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