CN110861263A

CN110861263A - Anti-blocking heat-insulation nozzle for plastic pouring

Info

Publication number: CN110861263A
Application number: CN201910978852.0A
Authority: CN
Inventors: 张跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-03-06

Abstract

The invention relates to the technical field of plastics, and discloses an anti-blocking heat-preservation nozzle for plastic pouring, which comprises: the nozzle body, the upper end threaded connection of nozzle body has the storage shell, and the fixed cover in upper end of storage shell is equipped with fixed pipe, and the middle part fixed mounting of fixed pipe has the bushing, and the last fixed surface of bushing installs the shelves post, and the inside fixed mounting of fixed pipe has the set casing, and the inside fixed mounting of set casing has the sheetmetal, and the lower surface overlap joint of the relative one end of two sheetmetals has the connecting rod. Through the cooperation of fixed shell, sheetmetal, connecting rod, dead lever, casing, fixed plate and movable rod isotructure use, can utilize chemical reaction to release heat, calcium oxide reacts with water promptly and generates calcium hydroxide, and this reaction keeps this internal heat of moulding of nozzle temperature for exothermic reaction, possesses when the temperature reduces the back, can effectually carry out the advantage of heating, has guaranteed to mould plastics can not receive the cold solidification behind the nozzle to the condition of the nozzle jam that leads to.

Description

Anti-blocking heat-insulation nozzle for plastic pouring

Technical Field

The invention relates to the technical field of plastics, in particular to an anti-blocking heat-preservation nozzle for plastic pouring.

Background

The injection molding machine is a machine for melting and plasticizing raw materials, then injecting the raw materials into a molding die, cooling and demolding after molding, thereby obtaining a product.

At present, the nozzle of injection molding machine is in the use, most all do not have temperature regulating device, traditional nozzle most all is made through simple processing by a pipe, because the nozzle is exposed outside, when the thermoplasticity flows outward and moulds plastics through the nozzle in the injection molding machine, the temperature of thermoplasticity descends fast, thereby make the thermoplasticity temperature step down solidify, block up in the nozzle, can't continue to mould plastics in the mould, this just needs the work of staff's stop injection molding machine, cool down to the nozzle, still pay attention to avoid scalding the staff when changing, the use that is very unsuitable for the staff, simultaneously, because some little impurity in many plastics, the fusing point can be higher than plastics, so, when plastics melt, impurity does not necessarily melt, can get into the nozzle along with plastics together, also can lead to the nozzle to block.

In order to solve the problems, the inventor provides the anti-blocking heat-preservation nozzle for plastic pouring, which has the advantage of being capable of effectively heating after the temperature is reduced, so that the condition that the nozzle is blocked due to the fact that the thermoplastic cannot be cooled and solidified after passing through the nozzle is ensured, the thermoplastic cannot be blocked by impurities when passing through the nozzle is further ensured, and the use of workers is facilitated.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides a plastics are pour with preventing stifled heat preservation nozzle, includes: the nozzle body, the upper end threaded connection of nozzle body has the storage shell, and the fixed cover in upper end of storage shell is equipped with fixed pipe, and the middle part fixed mounting of fixed pipe has the bushing, and the last fixed surface of bushing installs the shelves post, the inside fixed mounting of fixed pipe has the set casing, and the inside fixed mounting of set casing has the sheetmetal, and the lower surface overlap joint of the relative one end of two sheetmetals has the connecting rod, and the lower extreme fixed mounting of connecting rod has the dead lever, and the lower extreme movable mounting of dead lever has the casing, the dead lever lower extreme runs through and extends to the inside fixed mounting of casing has the fixed plate, the lower extreme movable mounting of casing has the movable rod, and the surface of movable.

The lower fixed surface of set casing installs the fixed column, and the equal fixed mounting in both sides of fixed column lower extreme has the heat transfer piece, and the one end fixed mounting that the fixed column was kept away from to the heat transfer piece has the heat conduction ball.

Furthermore, the both ends of bushing run through and extend to the outside of fixed pipe and be located the inside of storage shell, and seted up hourglass plastics hole on the bushing, mainly be in order to block that the hot melt contains the granule impurity that does not melt in the plastics down.

Further, pressure spring is located between the inside lower extreme of storage shell and the upper end of movable rod.

Further, the diameter of casing and the inside diameter looks adaptation of fixed column, and the casing is located the joint in the upper end of fixed column.

Furthermore, the metal sheets are transversely arranged at two ends inside the fixed shell, and are symmetrically arranged inside the fixed shell.

The invention has the following beneficial effects:

1. this plastics are pour and are used stifled heat preservation nozzle, through the cooperation of set casing, the sheetmetal, the connecting rod, the dead lever, the casing, fixed plate and movable rod isotructure use, can utilize chemical reaction to release heat, calcium oxide reacts with water promptly and generates calcium hydroxide, this reaction is exothermic reaction, keep this internal heat of nozzle moulding temperature, possess when the temperature reduction back, can effectually carry out the advantage of heating, avoided heat moulding to receive the cold solidification behind the nozzle to lead to the condition that the nozzle blockked up.

2. This plastics are pour and are used stifled heat preservation nozzle, use through the cooperation of heat transfer piece and heat conduction ball, can effectually utilize hot conducting principle, give the plastics in the nozzle with the heat transfer after the reaction, guarantee the temperature of plastics, use through the cooperation of bushing and bumping post, can filter plastics earlier once, keep off the tiny particle outside, separate with blocking simultaneously, avoid the tiny particle of impurity to pile up in a certain department because the viscidity of plastics, made things convenient for the use.

Drawings

FIG. 1 is a schematic sectional view of the whole structure of the present invention.

FIG. 2 is a schematic view of the present invention in a half-cut view.

Fig. 3 is a front sectional schematic view of the structure of the invention.

FIG. 4 is a schematic view of the connection of the related structure on the fixing shell of the present invention.

Fig. 5 is a detailed structural schematic diagram of the structural magazine shell of the invention.

In the figure: 1 nozzle body, 2 storage shells, 3 fixed tubes, 4 bushing plates, 5 bumping posts, 6 fixed shells, 7 metal sheets, 8 connecting rods, 9 fixed rods, 10 shells, 11 fixed plates, 12 movable rods, 13 pressure springs, 14 fixed posts, 15 temperature-transmitting blocks and 16 temperature-conducting balls.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an anti-blocking thermal insulation nozzle for plastic casting includes: a nozzle body 1.

As shown in fig. 1: the upper end threaded connection of nozzle body 1 has storage shell 2, and the fixed cover in upper end of storage shell 2 is equipped with fixed pipe 3.

As shown in fig. 2: the middle part fixed mounting of fixed pipe 3 has bushing 4, and bushing 4's both ends run through and extend to the outside of fixed pipe 3 and be located the inside of storage shell 2, and seted up hourglass plastics hole on bushing 4, mainly contains the granule impurity that does not melt in order to block the plastics under the hot melt, and bushing 4's last fixed surface installs shelves post 5.

As shown in fig. 3: the fixed shell 6 is fixedly arranged inside the fixed tube 3.

As shown in fig. 4: the inside fixed mounting of set casing 6 has sheetmetal 7, and sheetmetal 7 transversely sets up in the inside both ends of set casing 6, and its inside that is located set casing 6 is the symmetry setting, and the lower surface overlap joint of the relative one end of two sheetmetals 7 has connecting rod 8.

As shown in fig. 5: the lower extreme fixed mounting of connecting rod 8 has dead lever 9, the lower extreme movable mounting of dead lever 9 has casing 10, the diameter of casing 10 and the inside diameter looks adaptation of fixed column 14, and casing 10 is located the joint in the upper end of fixed column 14, the inside fixed mounting that the dead lever 9 lower extreme runs through and extends to casing 10 has fixed plate 11, the lower extreme movable mounting of casing 10 has movable rod 12, the surface of movable rod 12 cup joints with pressure spring 13, pressure spring 13 is located between the upper end of 2 inside lower extremes of storage shell and movable rod 12.

Through the cooperation of fixed shell 6, sheetmetal 7, connecting rod 8, dead lever 9, casing 10, fixed plate 11 and movable rod 12 isotructure use, can utilize the chemical reaction to release heat, calcium oxide reacts with water and generates calcium hydroxide promptly, this reaction is exothermic reaction, keep the thermoplastic temperature in the nozzle body 1, possess after the temperature reduces, can effectually carry out the advantage of heating, guaranteed to be thermoplastic can not receive the cold solidification behind the nozzle to the condition of the nozzle jam that leads to.

The lower surface fixed mounting of set casing 6 has fixed column 14, and the equal fixed mounting in both sides of fixed column 14 lower extreme has heat transfer piece 15, and the one end fixed mounting that keeps away from fixed column 14 of heat transfer piece 15 has heat conduction ball 16.

The cooperation of heat transfer piece 15 and temperature ball 16 is used, can effectually utilize heat-conducting principle, and the heat transfer after will reacting is for the plastics in the nozzle 1, guarantees the temperature of plastics, uses through the cooperation of bushing 4 and bumping post 5, can filter plastics earlier once, keeps off the tiny particle outside, separates with blocking 5 simultaneously, avoids the small particle of impurity because the viscidity of plastics, piles up in a certain department, has made things convenient for the use.

Wherein, the shell 10 is filled with calcium oxide, and the fixed column 14 is filled with water. Calcium oxide reacts with water to form calcium hydroxide, which is an exothermic reaction.

When the plastic fluid flows from top to bottom, firstly, the plastic fluid firstly passes through the bushing 4, impurity small particles in the plastic are filtered out through the leak holes in the bushing 4, when the small particles on the baffle post 5 are accumulated to exceed the diameter of the baffle post 5, the plastic fluid can directly slide to the inside of the storage shell 2 along with the radian of the bushing 4, so that the post-treatment is convenient, when the fluid-shaped plastic continuously flows downwards and falls on the fixed shell 6, if the temperature is too low, the metal sheet 7 can be cooled and bent downwards to drive the connecting rod 8 to move downwards and simultaneously drive the fixed rod 9 and the fixed plate 11 to move downwards, and because the air in the shell 10 is gradually extruded in the downward extrusion process of the fixed plate 11, the space enclosed by the shell 10 and the fixed plate 11 is enlarged in air pressure, the movable rod 12 is driven to extrude the pressure spring 13 to move downwards, therefore, the reactant calcium oxide in the shell 10 falls into the water inside the fixed column 14, reacts with the water to absorb heat, reduces the temperature inside the fixed column 14, and transmits the temperature inside the fixed column 14 to the outside plastic through the heat transfer block 15 and the heat conduction block 16 to reduce the temperature.

It should be noted that, the gap through which particles can pass is provided for the connection of the fixed pipe 3 and the bushing 4, but generally, large courseware impurities are generally removed through layer-by-layer screening in the injection molding machine, and some small impurities are also present, which may be ignored by people, so that the impurity particles with small gaps between the fixed pipe 3 and the bushing 4 can pass through, but after the plastic fluid is melted, the viscosity is quite high, and the impurity particles are not easily spread out, so that the gap through which particles can pass through is generally not provided for leaking into the bushing 2 through the connection of the fixed pipe 3 and the bushing 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastics are pour with preventing stifled heat preservation nozzle, includes: nozzle body (1), its characterized in that: the upper end of the nozzle body (1) is in threaded connection with a storage shell (2), the upper end of the storage shell (2) is fixedly sleeved with a fixed pipe (3), the middle part of the fixed pipe (3) is fixedly provided with a bushing (4), the upper surface of the bushing (4) is fixedly provided with a retaining column (5), a fixed shell (6) is fixedly arranged inside the fixed tube (3), metal sheets (7) are fixedly arranged inside the fixed shell (6), connecting rods (8) are lapped on the lower surfaces of the opposite ends of the two metal sheets (7), a fixed rod (9) is fixedly arranged at the lower end of each connecting rod (8), a shell (10) is movably arranged at the lower end of each fixed rod (9), the lower end of the fixed rod (9) penetrates through and extends into the shell (10) to be fixedly provided with a fixed plate (11), the lower end of the shell (10) is movably provided with a movable rod (12), and the outer surface of the movable rod (12) is sleeved with a pressure spring (13);

the lower surface fixed mounting of set casing (6) has fixed column (14), and the equal fixed mounting in both sides of fixed column (14) lower extreme has heat transfer piece (15), and the one end fixed mounting that keeps away from fixed column (14) of heat transfer piece (15) has heat conduction ball (16).

2. The anti-blocking heat-preservation nozzle for plastic pouring according to claim 1, characterized in that: the both ends of bushing (4) are run through and are extended to the outside of fixed pipe (3) and are located the inside of storage shell (2), and have seted up hourglass plastics hole on bushing (4).

3. The anti-blocking heat-preservation nozzle for plastic pouring according to claim 1, characterized in that: the pressure spring (13) is positioned between the lower end inside the material storage shell (2) and the upper end of the movable rod (12).

4. The anti-blocking heat-preservation nozzle for plastic pouring according to claim 1, characterized in that: the diameter of casing (10) and the inside diameter looks adaptation of fixed column (14), and casing (10) are located the joint in the upper end of fixed column (14).

5. The anti-blocking heat-preservation nozzle for plastic pouring according to claim 1, characterized in that: the metal sheets (7) are transversely arranged at two ends inside the fixed shell (6) and are symmetrically arranged inside the fixed shell (6).