CN212288526U

CN212288526U - Hot nozzle of hot runner mold

Info

Publication number: CN212288526U
Application number: CN202020500103.5U
Authority: CN
Inventors: 曹瑞明
Original assignee: Tianjin Haidong Weiliou Technology Co ltd
Current assignee: Tianjin Haidong Weiliou Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-05
Anticipated expiration: 2030-04-08

Abstract

The embodiment of the utility model discloses a hot nozzle of a hot runner mold, which comprises a cylinder body and a mold, wherein the mold is arranged inside the cylinder body, the bottom of the mold extends out of the bottom of the cylinder body, an auxiliary mechanism is arranged inside the mold, and the auxiliary mechanism extends out of the top of the mold; the auxiliary mechanism comprises a cover body, the cover body is arranged at the top of the barrel body, a micro motor is fixedly arranged at the top of the cover body, and the micro motor is fixedly connected with a rotating rod through an output shaft. The utility model discloses an auxiliary mechanism's design can convey the material through the hob, has avoided the material adhesion to make the material burnt paste after the heating on the mould inner wall, simultaneously through the design of first heat preservation, second heat preservation and third heat preservation for the barrel has good thermal insulation performance, and the barrel has good thermal insulation performance, thereby can save the heat that first heating panel and second heating panel distributed out, and then can avoid thermal loss.

Description

Hot nozzle of hot runner mold

Technical Field

The embodiment of the utility model provides a relate to the automobile manufacturing technology field, concretely relates to hot mouth of hot runner mold.

Background

The hot runner is a heating assembly system used in an injection mold and used for injecting melted plastic particles into a cavity of the mold, the hot runner mold is a brand-new structure which heats a pouring channel and a flow channel of a traditional mold or a three-plate mold, and does not need to take out the flow channel and the pouring channel during each forming, the hot runner ensures that the plastic of the flow channel and the pouring channel keeps a molten state by a heating method, because a heating rod and a heating ring are arranged near or in the center of the flow channel, the whole flow channel from a nozzle outlet of an injection molding machine to the pouring channel is in a high-temperature state, so that the plastic in the flow channel keeps molten, the flow channel is not required to be opened after shutdown to take out the condensate, and the flow channel is only required to be heated to the required temperature during restart, therefore, the hot runner process is sometimes called as a heat collecting pipe.

The hot mouth among the prior art is owing to guarantee that the material is in the molten condition when using, consequently need heat hot mouth, and prior art's heating device often has the material to be stained with on the inner wall of mould when using, makes the material burnt easily through long-time heating, does not preserve the heat in addition among the prior art, has caused thermal loss and waste.

Therefore, the hot nozzle of the hot runner mold needs to be invented.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a hot mouth of hot runner mold to solve heating device among the prior art when using, often have the material be stained with on the inner wall of mould, make the material burnt through long-time heating easily, do not preserve the heat in addition among the prior art, caused thermal loss and extravagant problem.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a hot nozzle of a hot runner mold comprises a cylinder body and a mold, wherein the mold is arranged in the cylinder body, the bottom of the mold extends out of the bottom of the cylinder body, an auxiliary mechanism is arranged in the mold, and the auxiliary mechanism extends out of the top of the mold;

the auxiliary mechanism comprises a cover body, the cover body is arranged at the top of the barrel body, a micro motor is fixedly arranged at the top of the cover body, the micro motor is fixedly connected with a rotating rod through an output shaft, the top of the mold is contacted with the bottom of the cover body, a spiral rod is arranged inside the mold, the rotating rod extends through the cover body and extends into the mold, the bottom of the rotating rod is fixedly connected with the top end of the spiral rod, a first heating plate is embedded on the inner wall of the mold, a second heating plate is embedded on the inner wall of the mold, the second heating plate is arranged at the bottom of the first heating plate, the power of the first heating plate is higher than that of the second heating plate, a connecting pipe is fixedly arranged at one side of the;

the barrel comprises a base plate, a first heat preservation layer is arranged at the top of the base plate, a second heat preservation layer is arranged at the top of the first heat preservation layer, and a third heat preservation layer is arranged at the top of the second heat preservation layer.

Further, a plurality of fixed rods are fixedly arranged on two sides of the die, and the outer ends of the fixed rods are fixedly connected with the inner wall of the barrel.

Further, the cover body is connected with the cylinder body through threads.

Further, a box body is fixedly arranged at the top of the cover body, the micro motor is fixedly arranged inside the box body, and a plurality of heat dissipation holes are formed in the top of the box body.

Further, the first heat preservation layer is made of a polystyrene board material, and the first heat preservation layer and the base plate are fixed through gluing.

Further, the second heat preservation layer is made of glass wool materials, and the second heat preservation layer and the first heat preservation layer are fixed through gluing.

Further, the third heat preservation layer is made by aerogel felt material, and the third heat preservation layer passes through sticky fixed with the second heat preservation layer.

The embodiment of the utility model provides a have following advantage:

through complementary unit's design, compare with prior art, can convey the material through the hob, avoided the material adhesion to make the material burnt paste after the heating on the mould inner wall, simultaneously through the design of first heat preservation, second heat preservation and third heat preservation, make the barrel have good thermal insulation performance, thereby the barrel has good thermal insulation performance can save the heat that first heating panel and second heating panel distributed out, and then can avoid thermal loss.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic overall structural diagram of a hot nozzle of a hot runner mold according to an embodiment of the present invention;

fig. 2 is a top view of a hot nozzle of a hot runner mold according to an embodiment of the present invention;

fig. 3 is a front view of a hot nozzle of a hot runner mold according to an embodiment of the present invention;

FIG. 4 is a side view of an elongated plate in a hot nozzle of a hot runner mold according to an embodiment of the present invention;

fig. 5 is a side view of a fixing plate in a hot nozzle of a hot runner mold according to an embodiment of the present invention.

In the figure: 1 barrel, 2 moulds, 3 lids, 4 micro-motors, 5 dwang, 6 hob, 7 first heating plate, 8 second heating plates, 9 connecting pipe, 10 base plates, 11 first heat preservation, 12 second heat preservation, 13 third heat preservation, 14 dead lever, 15 boxes, 16 louvre.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

The hot nozzle of the hot runner mold shown in the attached figures 1 to 5 comprises a cylinder body 1 and a mold 2, wherein the mold 2 is arranged inside the cylinder body 1, the bottom of the mold 2 extends out of the bottom of the cylinder body 1, an auxiliary mechanism is arranged inside the mold 2, and the auxiliary mechanism extends out of the top of the mold 2;

the auxiliary mechanism comprises a cover body 3, the cover body 3 is arranged at the top of the cylinder body 1 and is convenient to seal the cylinder body 1, a micro motor 4 is fixedly arranged at the top of the cover body 3, the micro motor 4 is fixedly connected with a rotating rod 5 through an output shaft and is convenient to drive the rotating rod 5 to rotate, the top of the die 2 is contacted with the bottom of the cover body 3, a screw rod 6 is arranged inside the die 2 and is convenient to transmit materials, the rotating rod 5 extends through the cover body 3 and extends into the die 2, the bottom end of the rotating rod 5 is fixedly connected with the top end of the screw rod 6 so as to facilitate the rotation of the screw rod 6, a first heating plate 7 is embedded on the inner wall of the die 2, a second heating plate 8 is embedded on the inner wall of the die 2 and is convenient to heat the materials, the second heating plate 8 is arranged at the bottom of the first, a connecting pipe 9 is fixedly arranged on one side of the die 2, and the connecting pipe 9 penetrates through the barrel 1 and extends out of one side of the barrel 1, so that feeding is facilitated;

the barrel 1 comprises a base plate 10, a first heat preservation layer 11 is arranged on the top of the base plate 10, a second heat preservation layer 12 is arranged on the top of the first heat preservation layer 11, and a third heat preservation layer 13 is arranged on the top of the second heat preservation layer 12.

Further, 2 both sides of mould are all fixed and are equipped with a plurality of dead levers 14, and are a plurality of 14 outer ends of dead lever all with 1 inner wall fixed connection of barrel, the fixed of mould 2 of being convenient for.

Further, lid 3 and barrel 1 pass through threaded connection, are convenient for clear up 2 insides of mould.

Further, a box body 15 is fixedly arranged at the top of the cover body 3, the micro motor 4 is fixedly arranged inside the box body 15, and a plurality of heat dissipation holes 16 are formed in the top of the box body 15, so that heat dissipation of the micro motor 4 is facilitated.

Further, the first heat preservation layer 11 is made of a polystyrene board material, and the first heat preservation layer 11 and the substrate 10 are fixed by gluing, so that the first heat preservation layer 11 and the substrate 10 are fixed.

Further, the second heat preservation layer 12 is made of glass wool materials, and the second heat preservation layer 12 and the first heat preservation layer 11 are fixed through gluing, so that the second heat preservation layer 12 and the first heat preservation layer 11 are fixed.

Further, the third heat preservation layer 13 is made by aerogel felt material, the third heat preservation layer 13 is fixed with the second heat preservation layer 12 through gluing, is convenient for store heat, avoids thermal loss.

The implementation mode is specifically as follows: firstly, the utility model is connected with an external power supply, then the material enters the interior of the die 2 from the connecting pipe 9, the micro motor 4 is started at the same time, the micro motor 4 works to drive the rotating rod 5 to rotate, the rotating rod 5 rotates to drive the screw rod 6 in the interior of the die 2 to rotate, the screw rod 6 rotates to convey the material in the interior of the die 2 to the bottom of the die 2, so that the material flows out from the bottom of the die 2, the first heating plate 7 and the second heating plate 8 can also work when the micro motor 4 works, because the speed of the material flowing at the top of the die 2 is higher, and when the material enters the bottom of the die 2, the speed of the material flowing is lower, and because the power of the first heating plate 7 is higher than that of the second heating plate 8, the temperature at the first heating plate 7 is higher than that at the second heating plate 8, therefore, when the material flows faster, the temperature is higher, the temperature is low, further the situation that the material is burnt due to the fact that the flow velocity of the material is slow can be avoided, when the interior of the mold 2 needs to be cleaned, only the cover body 3 needs to be unscrewed, the screw rod 6 is taken out of the interior of the mold 2, through the design of the auxiliary mechanism, the material can be conveyed through the screw rod 6, the material is prevented from being burnt after being adhered to the inner wall of the mold 2 and heated, meanwhile, through the design of the first heat insulation layer 11, the second heat insulation layer 12 and the third heat insulation layer 13, the barrel body 1 has good heat insulation performance, so that heat emitted by the first heating plate 7 and the second heating plate 8 can be stored, further heat loss can be avoided, heat loss is avoided, the embodiment particularly solves the problem that the material is often adhered to the inner wall of the mold when the heating device in the prior art is used, the material is easily burnt after long-time heating, and the heat is not preserved in the prior art, so that the problems of heat loss and waste are caused.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a hot mouth of hot runner mold, includes barrel (1) and mould (2), its characterized in that: the die (2) is arranged in the barrel body (1), the bottom of the die (2) extends out of the bottom of the barrel body (1), an auxiliary mechanism is arranged in the die (2), and the auxiliary mechanism extends out of the top of the die (2);

the auxiliary mechanism comprises a cover body (3), the cover body (3) is arranged at the top of the barrel body (1), a micro motor (4) is fixedly arranged at the top of the cover body (3), the micro motor (4) is fixedly connected with a rotating rod (5) through an output shaft, the top of the die (2) is contacted with the bottom of the cover body (3), a spiral rod (6) is arranged inside the die (2), the rotating rod (5) extends to penetrate through the cover body (3) and extends into the die (2), the bottom of the rotating rod (5) is fixedly connected with the top end of the spiral rod (6), a first heating plate (7) is inlaid on the inner wall of the die (2), a second heating plate (8) is inlaid on the inner wall of the die (2), the second heating plate (8) is arranged at the bottom of the first heating plate (7), and the power of the first heating plate (7) is larger than that of the second, a connecting pipe (9) is fixedly arranged on one side of the die (2), and the connecting pipe (9) penetrates through the cylinder body (1) and extends out of one side of the cylinder body (1);

the barrel (1) comprises a base plate (10), a first heat-insulating layer (11) is arranged at the top of the base plate (10), a second heat-insulating layer (12) is arranged at the top of the first heat-insulating layer (11), and a third heat-insulating layer (13) is arranged at the top of the second heat-insulating layer (12).

2. The hot runner mold hot nozzle as claimed in claim 1, wherein: the die is characterized in that a plurality of fixing rods (14) are fixedly arranged on two sides of the die (2), and the outer ends of the fixing rods (14) are fixedly connected with the inner wall of the barrel body (1).

3. The hot runner mold hot nozzle as claimed in claim 1, wherein: the cover body (3) is connected with the cylinder body (1) through threads.

4. The hot runner mold hot nozzle as claimed in claim 1, wherein: the box body (15) is fixedly arranged at the top of the cover body (3), the micro motor (4) is fixedly arranged inside the box body (15), and a plurality of heat dissipation holes (16) are formed in the top of the box body (15).

5. The hot runner mold hot nozzle as claimed in claim 1, wherein: the first heat preservation layer (11) is made of a polystyrene board material, and the first heat preservation layer (11) and the substrate (10) are fixed through gluing.

6. The hot runner mold hot nozzle as claimed in claim 1, wherein: the second heat-insulating layer (12) is made of glass wool materials, and the second heat-insulating layer (12) and the first heat-insulating layer (11) are fixed through gluing.

7. The hot runner mold hot nozzle as claimed in claim 1, wherein: the third heat-insulating layer (13) is made of aerogel felt materials, and the third heat-insulating layer (13) and the second heat-insulating layer (12) are fixed through gluing.