CN215283132U

CN215283132U - Hot runner multidirectional side injection mold of loosing core

Info

Publication number: CN215283132U
Application number: CN202121492061.6U
Authority: CN
Inventors: 阳曙; 石雨; 伍明明; 李林; 蔡辉森
Original assignee: Seaflyer Moulding Shenzhen Co ltd
Current assignee: Seaflyer Moulding Shenzhen Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-24
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to the technical field of molds, and discloses a hot runner multidirectional side core-pulling injection mold, which comprises a fixed frame, wherein a male mold plate is fixedly arranged at the top of the fixed frame, a female mold plate is arranged at the top of the male mold plate, a female mold core is fixedly arranged at the bottom of the female mold plate, a fixed plate is arranged at the top of the female mold plate, the outer wall of a water filling box is contacted with the bottom of the male mold plate, the water filling box can preliminarily cool the formed plastic at the moment, a fan operates to drive the air in the water filling box to flow and blow to the two sides of the formed plastic on the male mold plate through an air-entraining pipe, when cold air is blown out through the air-entraining pipe, two air-inducing plates capable of rotating can randomly swing left and right at the pipe orifice of the air-entraining pipe under the mutual attraction of a first magnet and a second magnet, the cold air blown out from the air-entraining pipe can irregularly flow at the left and right sides of the formed plastic under the two swinging air-inducing plates, so as to cool the formed plastic twice to improve the cooling efficiency.

Description

Hot runner multidirectional side injection mold of loosing core

Technical Field

The utility model relates to the technical field of mold, specifically be a hot runner multidirectional side injection mold of loosing core.

Background

The hot runner ensures that the plastic of the runner and the sprue is kept in a molten state by a heating method. Because the heating rod and the heating ring are arranged near or in the center of the runner, the whole runner from the nozzle outlet of the injection molding machine to the sprue is in a high-temperature state, so that the plastic in the runner is kept molten, the runner does not need to be opened to take out the solidified material after the machine is stopped, the runner is heated to the required temperature when the machine is restarted, and waste materials are often accumulated in the runner of the conventional hot runner mold and are difficult to clean.

According to the Chinese patent publication (with the publication number of CN207172623U), an injection hot runner mold comprises an upper fixing plate, a heat insulation ring, a cross flow plate, a male mold core, a mold foot, a lower fixing plate, a male mold plate, a female mold core, a female mold plate, a sprue bushing and a positioning ring, wherein the mold foot is assembled on the upper end surface of the lower fixing plate, the male mold plate is assembled on the upper end surface of the mold foot, the male mold core is assembled on the upper end surface of the male mold plate, the female mold plate is assembled on the upper end surface of the male mold plate, the lower end surface of the female mold plate is assembled with the female mold core, the female mold core is assembled on the male mold core, the upper fixing plate is assembled on the upper end surface of the female mold plate, the positioning ring is assembled in the middle position of the upper end surface of the upper fixing plate, the sprue bushing is installed on the lower end surface of the upper fixing plate, the heat insulation ring is assembled on the annular side surface of the sprue bushing, the cross flow plate is assembled at the lower end of the sprue bushing, the design, the injection pressure of a machine is reduced, and the molding cycle of a product is shortened, eliminating most of runner waste.

But after plastics pass through the die cavity that gets into in the cavity core, the product is tightly wrapped on the core after pressurize and the cooling of a period of time to accomplish the quick fashioned in-process of plastics, the temperature of plastics is higher, and still need wait slowly during production that plastics cool off and tightly wrap on the core, thereby can lead to production efficiency greatly reduced's problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a hot runner multidirectional side injection mold of loosing core has solved above-mentioned problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hot runner multidirectional side injection mold of loosing core, which comprises a fixing frame, the top fixed mounting of mount has public template, the top of public template is provided with the cavity board, the bottom fixed mounting of cavity board has cavity mould benevolence, the top of cavity board is provided with the fixed plate, fixed mounting has the box of filling water between mount and the public template, two gas outlets have been seted up to the outer wall of public template, peg graft in the inside of gas outlet has the bleed pipe, the inside fixed mounting of the box of filling water has two solid fixed cylinders, the inside fixed mounting of solid fixed cylinder has the fan, two thru holes have been seted up to the position that the outer wall of the box of filling water corresponds two fans, two arc recesses have all been seted up to one side that two bleed pipes are close to each other, the inside of the arc recess of bleed pipe outer wall is provided with can pivoted induced air board.

Preferably, the inside fixed mounting of the arc recess of bleed pipe outer wall has two sleeves, and the outer wall of induced air board has the pivot that can cup joint together with two sleeves through a rectangle piece fixed mounting.

Preferably, two magnets i are fixedly mounted on the outer wall of the air inducing plate positioned on the left side, and two magnets i capable of attracting the magnets i are fixedly mounted on the outer wall of the air inducing plate positioned on the right side.

Preferably, two water inlets are formed in the outer wall of the water filling box, and piston pads are movably mounted inside the water inlets.

Preferably, the outer wall of the piston pad is fixedly provided with an elastic sealing pad which is of a circular truncated cone annular structure.

Preferably, the outer wall of the air-entraining pipe is provided with a heat insulation layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a hot runner multidirectional side injection mold of loosing core possesses following beneficial effect:

1. the hot runner multidirectional side core-pulling injection mold is characterized in that a water filling box is arranged between a fixing frame and a male mold plate, ice water is filled in the water filling box, the outer wall of the water filling box is contacted with the bottom of the male mold plate at the moment, when plastic is subjected to injection molding on the male mold plate, the bottom of the male mold plate is contacted with the top of the water filling box, the water filling box can perform a preliminary cooling effect on the molded plastic at the moment, an air guide pipe is inserted into an air outlet, the air guide pipe extends into a through hole, a fan in the water filling box is connected with external power supply equipment, the fan operates to drive air in the water filling box to flow and blow to two sides of the molded plastic on the male mold plate through the air guide pipe, a rotatable air guide plate is arranged in an arc-shaped groove in the outer wall of the air guide pipe, and when cold air is blown out through the air guide pipe, the two rotatable air guide plates are subjected to the action of wind force, magnet two and magnet one attract each other simultaneously, when cold wind blew off from the bleed pipe, two can pivoted induced air boards can be at wind-force and magnet one and magnet two's mutual attraction down the sharing effect do about the irregular swing in the mouth of pipe department of bleed pipe, the cold wind that blows off from the bleed pipe this moment can be at two wobbling induced air boards down about the both sides of fashioned plastics irregularly flow, in order to improve the horizontal coverage area of cold wind, the fashioned mould of this moment can be cooled by the secondary cooling, thereby carry out twice cooling to fashioned plastics and cool off in order to improve cooling efficiency.

2. This hot runner multidirectional side injection mold of loosing core is provided with the heat insulating layer through the outer wall at bleed pipe, when cold wind blew off through bleed pipe, the temperature on bleed pipe periphery this moment is probably higher, and the heat insulating layer of bleed pipe outer wall is the foam material that can insulate against temperature, and the heat insulating layer lives bleed pipe parcel to play certain cold-proof effect to the cold wind of bleed intraduct to a certain extent, condensed more drop of water on the outer wall of bleed pipe has been avoided simultaneously.

3. This hot runner multidirectional side injection mold of loosing core has elastic sealed the pad through the outer wall fixed mounting at the piston pad, to the inside piston pad that promotes of water diversion mouth, and the piston pad inserts the inside of water diversion mouth, and the elastic sealed pad that has of piston pad outer wall is deformed and is pressfitting each other with the inner wall of water diversion mouth under the extrusion of water diversion mouth inner wall this moment to utilize sealed pad to play certain sealed effect.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of a three-dimensional split according to an embodiment of the present invention;

FIG. 3 is a partial schematic view of A in FIG. 2;

FIG. 4 is a partial, semi-sectional, perspective view of the present embodiment;

FIG. 5 is a partial perspective view of the present embodiment;

FIG. 6 is a partial schematic view of B of FIG. 5;

fig. 7 is a three-dimensional schematic view of the present embodiment.

In the figure: 1. a fixed mount; 2. a male template; 3. a master template; 4. a fixing plate; 5. a cavity insert; 6. a water-filling box; 7. an air outlet; 8. a bleed pipe; 9. a water diversion port; 10. a piston pad; 11. a fixed cylinder; 12. a fan; 13. through holes; 14. a sleeve; 15. a rotating shaft; 16. an air induction plate; 17. a magnet I; 18. a second magnet; 19. a thermal insulation layer; 20. and a gasket.

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.

The first embodiment is as follows: referring to fig. 1-6, a hot runner multi-directional side core-pulling injection mold comprises a fixing frame 1, a male mold plate 2 is fixedly installed at the top of the fixing frame 1, a female mold plate 3 is arranged at the top of the male mold plate 2, a female mold core 5 is fixedly installed at the bottom of the female mold plate 3, a fixing plate 4 is arranged at the top of the female mold plate 3, a water filling box 6 is fixedly installed between the fixing frame 1 and the male mold plate 2, the water filling box 6 is of a T-shaped hollow structure, two water inlets 9 are formed in the outer wall of the water filling box 6, the water inlets 9 are circular through holes, a piston pad 10 is movably installed inside the water inlets 9, the piston pad 10 is of a cylindrical structure, rubber is lined on the outer wall of the piston pad 10, two air outlets 7 are formed in the outer wall of the male mold plate 2, the air outlets 7 are circular through holes, the hollow areas inside of the air outlets 7 are communicated with the inside of the male mold plate 2, and an air-guiding pipe 8 is inserted inside the air outlets 7, the air guide pipe 8 is a U-shaped hollow pipe, the air guide pipe 8 extends to the upper side of the male template 2, two fixed cylinders 11 are fixedly installed inside the water filling box 6, the fixed cylinders 11 are cylindrical hollow structures, circular openings are formed in the outer walls of the fixed cylinders 11, fans 12 are fixedly installed inside the fixed cylinders 11, the fans 12 are of existing structures, no vegetation is required, two through holes 13 are formed in the positions, corresponding to the two fans 12, of the outer walls of the water filling box 6, the through holes 13 are circular through holes, the air guide pipe 8 extends to the inside of the through holes 13 and is connected with the through holes 13 in an inserting mode, two arc-shaped grooves are formed in the sides, close to each other, of the two air guide pipes 8, a rotatable air guide plate 16 is arranged inside the arc-shaped grooves in the outer walls of the air guide pipes 8, the air guide plate 16 is of an arc-shaped structure, two sleeves 14 are fixedly installed inside the arc-shaped grooves in the outer walls of the air guide pipes 8, and the sleeves 14 are cylindrical hollow structures, circular opening has been seted up to sleeve 14's outer wall, the outer wall of induced air board 16 has pivot 15 that can cup joint together with two sleeves 14 through a rectangular block fixed mounting, pivot 15 is cylindrical structure, the outside diameter of pivot 15 is the same with sleeve 14's inside diameter size, the outer wall fixed mounting who is located left induced air board 16 has two magnet two 18, magnet two 18 is spherical structure, the outer wall fixed mounting who is located the induced air board 16 on right side has two magnet one 17 that can mutually attract with magnet two 18, magnet one 17 is spherical structure.

The working principle is as follows: the water filling box 6 is arranged between the fixed frame 1 and the male template 2, ice water is filled in the water filling box 6, the outer wall of the water filling box 6 is contacted with the bottom of the male template 2 at the moment, when plastic is injected and molded on the male template 2, the bottom of the male template 2 is contacted with the top of the water filling box 6, the plastic which can be molded by the water filling box 6 at the moment has the function of preliminary cooling, the air guide pipe 8 is inserted into the air outlet 7, the air guide pipe 8 extends to the inside of the through hole 13, the fan 12 in the water filling box 6 is connected with external power supply equipment, the fan 12 operates to drive the air in the water filling box 6 to flow and blow to the two sides of the molded plastic on the male template 2 through the air guide pipe 8, the air guide plate 16 which can rotate is arranged in the arc-shaped groove on the outer wall of the air guide pipe 8, when cold air blows out through the air guide pipe 8, the two air guide plates 16 which can rotate are acted by wind force, meanwhile, the second magnet 18 and the first magnet 17 attract each other, when cold air blows out from the air guide pipe 8, the two air guide plates 16 capable of rotating can do left-right irregular swinging at the pipe orifice of the air guide pipe 8 under the combined action of wind power and the mutual attraction of the first magnet 17 and the second magnet 18, the cold air blown out from the air guide pipe 8 can flow left-right irregularly at the two sides of the formed plastic under the two swinging air guide plates 16 at the moment, so that the transverse covering area of the cold air is increased, the formed mold can be cooled by secondary cooling, and the formed plastic is cooled twice to improve the cooling efficiency.

Example two: in addition to the first embodiment, as shown in fig. 5, the outer wall of the air-guiding pipe 8 is provided with a thermal insulation layer 19, the thermal insulation layer 19 is made of a foam material capable of insulating heat, and the thermal insulation layer 19 covers the outer wall of the air-guiding pipe 8.

The working principle is as follows: through being provided with thermal insulation layer 19 at bleed pipe 8's outer wall, when cold wind blew off through bleed pipe 8, the temperature on bleed pipe 8 periphery this moment is probably higher, and thermal insulation layer 19 of bleed pipe 8 outer wall is for the foam material that can separate the temperature, and thermal insulation layer 19 lives bleed pipe 8 parcel to play certain cold-proof effect to the cold wind of bleed pipe 8 inside to a certain extent, avoided condensing more drop of water on bleed pipe 8's the outer wall simultaneously.

Example three: on the basis of the first embodiment, as shown in fig. 7, an elastic sealing gasket 20 is fixedly installed on the outer wall of the piston gasket 10, the sealing gasket 20 is of a circular truncated cone-shaped annular structure, the sealing gasket 20 is made of elastic rubber, and the piston gasket 10 can be pressed on the inner wall of the water inlet 9.

The working principle is as follows: through the outer wall fixed mounting at piston pad 10 have elastic sealed pad 20, to the inside piston pad 10 that promotes of inlet 9, piston pad 10 inserts the inside of inlet 9, and the extrusion of the sealed pad 20 that has elasticity of piston pad 10 outer wall of this moment inlet 9 inner wall is down deformed and with the mutual pressfitting of inlet 9's inner wall to utilize sealed pad 20 to play certain sealed effect.

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 hot runner multidirectional side injection mold of loosing core, includes mount (1), the top fixed mounting of mount (1) has public template (2), and the top of public template (2) is provided with matrix board (3), and the bottom fixed mounting of matrix board (3) has matrix mould benevolence (5), and the top of matrix board (3) is provided with fixed plate (4), its characterized in that: fixed mounting has water filling box (6) between mount (1) and public template (2), two gas outlets (7) have been seted up to the outer wall of public template (2), the inside of gas outlet (7) is pegged graft and is had bleed pipe (8), the inside fixed mounting of water filling box (6) has two solid fixed cylinders (11), the inside fixed mounting of solid fixed cylinder (11) has fan (12), two thru holes (13) have been seted up to the position that the outer wall of water filling box (6) corresponds two fan (12), two arc recesses have all been seted up to one side that two bleed pipes (8) are close to each other, the inside of the arc recess of bleed pipe (8) outer wall is provided with can pivoted induced air board (16).

2. The hot runner multi-directional side core pulling injection mold according to claim 1, characterized in that: two sleeves (14) are fixedly installed inside the arc-shaped groove in the outer wall of the air guide pipe (8), and a rotating shaft (15) which can be sleeved with the two sleeves (14) is fixedly installed on the outer wall of the air guide plate (16) through a rectangular block.

3. The hot runner multi-directional side core pulling injection mold according to claim 1, characterized in that: two magnets II (18) are fixedly arranged on the outer wall of the air guide plate (16) on the left side, and two magnets I (17) capable of attracting the magnets II (18) are fixedly arranged on the outer wall of the air guide plate (16) on the right side.

4. The hot runner multi-directional side core pulling injection mold according to claim 1, characterized in that: two water inlets (9) are formed in the outer wall of the water filling box (6), and piston pads (10) are movably mounted inside the water inlets (9).

5. The hot runner multi-directional side core pulling injection mold according to claim 4, wherein: the outer wall fixed mounting of piston pad (10) has elastic sealed pad (20), and sealed pad (20) are round platform annular structure.

6. The hot runner multi-directional side core pulling injection mold according to claim 1, characterized in that: and a heat insulation layer (19) is arranged on the outer wall of the air guide pipe (8).