CN214026948U

CN214026948U - High-precision intelligent alloy 3C shell die-casting hot runner mold

Info

Publication number: CN214026948U
Application number: CN202022930004.3U
Authority: CN
Inventors: 李建良
Original assignee: Jiawei Technology Hai'an Co ltd
Current assignee: Jiawei Technology Hai'an Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-24
Anticipated expiration: 2030-12-09

Abstract

The utility model is suitable for a hot runner mold technical field provides a high-accuracy intelligent alloy 3C casing die-casting hot runner mold, including last mould, cooling tube and hot flow pipeline, the surface of going up the mould is connected with the bed die, and the outside of going up the mould is equipped with the oil circuit, the outside of oil circuit is equipped with the booster pump, and the one end of oil circuit is connected with the cooling tube to the other end of cooling tube is connected with circulation interface, upward be equipped with the die cavity in the mould, and go up mould bottom surface and be equipped with the locating lever to the surface of locating lever is equipped with the spring, the upper end of going up the mould is equipped with the alloy casing, and the alloy casing middle-end is equipped with the pipeline of moulding plastics. This high-accuracy intelligent alloy 3C casing die-casting hot runner mold through set up the thermal current pipeline in the pipeline outside of moulding plastics to hot oil liquid's mode, can be even to the pipeline interior heating of moulding plastics, avoid electric heating wire heating and lead to inside local overheated, and lead to the material to burn, thereby increased the production quality of mould.

Description

High-precision intelligent alloy 3C shell die-casting hot runner mold

Technical Field

The utility model belongs to the technical field of the mould, especially, relate to a high-accuracy intelligent alloy 3C casing die-casting hot runner mold.

Background

The hot runner mold is mainly used for producing plastic products, the mold is a mold which utilizes a heating device to enable melt in a flow channel not to solidify all the time, the forming period of the hot runner mold is short compared with that of a traditional mold, and raw materials are saved, so the hot runner mold is widely applied to developed countries and regions of all industries in the world at present.

However, the existing hot runner mold is easy to generate local overheating, resin is easy to scorch, products are scrapped, precision error exists in temperature control, actual temperature of each region in a hot runner system is not uniform, defective products are generated, temperature insulation between the mold and a hot runner is poor, overall practicability is reduced, and therefore the high-precision intelligent alloy 3C shell die-casting hot runner mold is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-accuracy intelligent alloy 3C casing die-casting hot runner mold aims at solving current hot runner mold and produces local overheat easily, easily burns the resin and causes the product to scrap, and the problem that there is precision error in the accuse temperature also can make each regional actual temperature in the hot runner system uneven, leads to the wastrel to produce to the temperature insulating nature between mould and the hot runner is relatively poor, leads to the problem that whole practicality reduces.

The utility model is realized in such a way, a high-precision intelligent alloy 3C shell die-casting hot runner mold, which comprises an upper mold, a cooling pipeline and a hot flow pipeline, wherein the outer surface of the upper mold is connected with a lower mold, an oil way is arranged on the outer side of the upper mold, a booster pump is arranged on the outer side of the oil way, one end of the oil way is connected with the cooling pipeline, the other end of the cooling pipeline is connected with a circulating interface, a mold cavity is arranged in the upper mold, the outer surface of the bottom end of the upper mold is provided with a positioning rod, the outer surface of the positioning rod is provided with a spring, the upper end of the upper mold is provided with an alloy shell, the middle end of the alloy shell is provided with an injection molding pipeline, the outer side of the injection molding pipeline is connected with the hot flow pipeline, one end of the, and the other end of the tension spring is fixed on the outer surface of the alloy shell, air cylinders are arranged at the upper end and the lower end of the top plate and fixedly installed on the outer surface of the alloy shell, and a heat insulation plate is arranged at the middle end of the upper die.

Preferably, the left end and the right end of the upper die are symmetrically provided with positioning rods, and the positioning rods are movably connected with the lower die.

Preferably, the heat flow pipeline is connected with the injection molding pipeline in a clamping manner, and the heat flow pipeline is connected with the top plate in a penetrating manner.

Preferably, the top plate is attached to the injection molding pipeline and is in sliding connection with the alloy shell.

Preferably, the movable plate is attached to the top plate and connected with the alloy shell through a tension spring.

Preferably, the central point of the heat insulation plate and the central point of the upper die are positioned on the same vertical line, and the circumference of the heat insulation plate is larger than that of the alloy shell.

Compared with the prior art, the beneficial effects of the utility model are that: the high-precision intelligent alloy 3C shell die-casting hot runner mold,

1. the heat flow pipeline is arranged on the outer side of the injection molding pipeline, so that the injection molding pipeline can be uniformly heated in a hot oil liquid mode, the phenomenon that the material is burnt due to local overheating of the inner part caused by heating of the electric heating wire is avoided, and the production quality of the mold is improved;

2. the top plate penetrates through the injection molding pipeline and the heat flow pipeline, so that the injection molding pipeline can be blocked, the overflow of materials in a mold cavity of a mold is avoided, and the top plate can slowly slide out of the alloy shell by matching with a tension spring during injection molding, so that the convenience of material injection is improved;

3. through with cooling pipe evenly distributed in last lower mould to carry out the pressure boost to the oil circuit by the booster pump, can make the quick follow pipeline internal flow of coolant liquid, and flow out fast from the circulation interface and circulate, the product to the mould intracavity that can be quick absorbs heat, accelerates the shaping speed of product, thereby has increased holistic practicality.

Drawings

FIG. 1 is a front view and a front view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the air conditioning duct of the present invention;

FIG. 3 is a schematic side view of the alloy shell and the top plate of the present invention;

fig. 4 is a schematic view of the bottom view structure of the upper mold and the positioning rod of the present invention.

In the figure: 1-upper die, 2-lower die, 3-oil path, 4-cooling pipeline, 5-positioning rod, 6-spring, 7-die cavity, 8-alloy shell, 9-injection molding pipeline, 10-heat flow pipeline, 11-heating port, 12-top plate, 13-movable plate, 14-tension spring, 15-cylinder, 16-heat insulation plate, 17-circulation port and 18-booster pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution:

in the present embodiment, a lower die 2 is connected to the outer surface of the upper die 1, and an oil passage 3 is provided outside the upper die 1.

Further, go up 1 left and right sides both ends symmetry of mould and be provided with locating lever 5, and locating lever 5 and bed die 2 are swing joint, and the locating lever 5 position corresponds with the constant head tank position of bed die 2, when the cover half, can increase the accuracy that top die 1 and bed die 2 are connected to cushion by spring 6 to the connection of top die 1 and bed die 2, thereby increased holistic stability.

In this embodiment, a booster pump 18 is provided outside the oil passage 3, one end of the oil passage 3 is connected to the cooling pipe 4, the other end of the cooling pipe 4 is connected to the circulation port 17, the upper mold 1 is provided with the cavity 7, the outer surface of the bottom end of the upper mold 1 is provided with the positioning rod 5, and the outer surface of the positioning rod 5 is provided with the spring 6.

Further, heat flow pipeline 10 is connected for the block with the pipeline 9 of moulding plastics, and heat flow pipeline 10 and roof 12 are through connection, and heat flow pipeline 10 centers on the pipeline 9 outside of moulding plastics, can avoid expanded material solidification in the pipeline 9 of moulding plastics to can heat the residual material in the pipeline 9 of moulding plastics, be convenient for next time mould plastics and expanded material mix together, reduce the waste of material, and do not influence roof 12 and stretch out and draw back.

In this embodiment, the upper end of the upper mold 1 is provided with an alloy shell 8, the middle end of the alloy shell 8 is provided with an injection molding pipeline 9, the outer side of the injection molding pipeline 9 is connected with a heat flow pipeline 10, and one end of the heat flow pipeline 10 is connected with a heating port 11.

Further, roof 12 is connected for the laminating with the pipeline 9 of moulding plastics, and roof 12 is sliding connection with alloy casing 8, and roof 12 laminating can carry out the shutoff to the pipeline 9 of moulding plastics at the internal surface of the pipeline 9 of moulding plastics, avoids moulding plastics the material backward flow to roof 12 is convenient for parallel translation in alloy casing 8, has increased the stability of going up the unloading.

In the present embodiment, a top plate 12 is connected inside the injection pipe 9, a movable plate 13 is connected to one end of the top plate 12, a tension spring 14 is disposed on an outer surface of the movable plate 13, and the other end of the tension spring 14 is fixed on an outer surface of the alloy housing 8.

Further, the movable plate 13 is connected with the top plate 12 in a fitting manner, the movable plate 13 is connected with the alloy shell 8 through the tension spring 14, the movable plate 13 drives the top plate 12 to move inwards, the tightness of the fitting is increased by the tension spring 14, and when the movable plate 13 moves outwards, the pressure inside the injection molding pipeline 9 can eject out the top plate 12 under the action of the tension spring 14, so that the injection molding material can be conveniently injected.

In this embodiment, air cylinders 15 are provided at upper and lower ends of the top plate 12, the air cylinders 15 are fixedly mounted on the outer surface of the alloy housing 8, and a heat insulation plate 16 is provided at the middle end of the upper mold 1.

Further, the central point of the heat insulation plate 16 and the central point of the upper die 1 are located on the same vertical line, the perimeter of the heat insulation plate 16 is larger than that of the alloy shell 8, the heat insulation plate 16 can insulate heat for the temperature between the alloy shell 8 and the upper die 1, mutual influence is avoided, and the effect of the cooling pipeline 4 is reduced, so that the overall practicability is increased.

The utility model discloses a theory of operation and use flow: after the utility model is installed, firstly, the upper die 1 and the lower die 2 are jointed, the die cavities 7 of the upper die 1 and the lower die 2 are corresponding to each other, when in connection, the connection between the upper die 1 and the lower die 2 is positioned by the positioning rod 5, and the spring 6 is used for buffering, then, the injection pipeline 9 in the alloy shell 8 injects materials into the die cavities 7, and the thermal flow pipeline 10 wraps the outer side of the injection pipeline 9, the heating port 11 injects hot oil into the thermal flow pipeline 10, the injection materials are prevented from being condensed in the injection pipeline 9, and in the injection process, the pressure in the injection pipeline 9 can prop open the top plate 12, and the tension spring 14 resists the extrusion force, when the materials in the die cavities 7 are filled, the cylinder 15 extrudes the top plate 12 by the inward telescopic movable plate 13, the top plate 12 slides along the inner surface of the alloy shell 8, and the injection pipeline 9 is blocked, avoid the material in the die cavity 7 to spill over, after the completion of moulding plastics, booster pump 18 carries out the pressure boost to oil circuit 3, make the coolant liquid in the cooling tube 4 continuously flow, cool off last mould 1 and bed die 2, increase the shaping speed of product, and circulate the coolant liquid of cooling tube 4 by circulation interface 17, increase the cooling effect of mould, heat insulating board 16 can be to alloy housing 8 with go up between the mould 1 and insulate against heat, avoid influencing cooling body, thereby the holistic practicality has been increased.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a high-accuracy intelligent alloy 3C casing die-casting hot runner mold, includes mould (1), cooling tube (4) and thermal current pipeline (10), its characterized in that: the outer surface of the upper die (1) is connected with a lower die (2), the outer side of the upper die (1) is provided with an oil way (3), the outer side of the oil way (3) is provided with a booster pump (18), one end of the oil way (3) is connected with a cooling pipeline (4), the other end of the cooling pipeline (4) is connected with a circulating interface (17), a die cavity (7) is arranged in the upper die (1), the outer surface of the bottom end of the upper die (1) is provided with a positioning rod (5), the outer surface of the positioning rod (5) is provided with a spring (6), the upper end of the upper die (1) is provided with an alloy shell (8), the middle end of the alloy shell (8) is provided with an injection molding pipeline (9), the outer side of the injection molding pipeline (9) is connected with a heat flow pipeline (10), one end of the heat flow pipeline (10) is connected with a heating port (11), the injection molding pipeline (9) is internally connected with a top plate (12), and the one end of roof (12) is connected with fly leaf (13), the surface of fly leaf (13) is equipped with extension spring (14), and the other end of extension spring (14) is fixed at alloy casing (8) surface, the upper and lower both ends of roof (12) are equipped with cylinder (15), and cylinder (15) fixed mounting is at alloy casing (8) surface, it is equipped with heat insulating board (16) to go up mould (1) middle-end.

2. The high-precision intelligent alloy 3C shell die-casting hot runner mold according to claim 1, wherein: the left end and the right end of the upper die (1) are symmetrically provided with positioning rods (5), and the positioning rods (5) are movably connected with the lower die (2).

3. The high-precision intelligent alloy 3C shell die-casting hot runner mold according to claim 1, wherein: the heat flow pipeline (10) is connected with the injection molding pipeline (9) in a clamping mode, and the heat flow pipeline (10) is connected with the top plate (12) in a penetrating mode.

4. The high-precision intelligent alloy 3C shell die-casting hot runner mold according to claim 1, wherein: the top plate (12) is attached to the injection molding pipeline (9), and the top plate (12) is in sliding connection with the alloy shell (8).

5. The high-precision intelligent alloy 3C shell die-casting hot runner mold according to claim 1, wherein: the movable plate (13) is attached to the top plate (12), and the movable plate (13) is connected with the alloy shell (8) through the tension spring (14).

6. The high-precision intelligent alloy 3C shell die-casting hot runner mold according to claim 1, wherein: the central point of the heat insulation plate (16) and the central point of the upper die (1) are positioned on the same vertical line, and the perimeter of the heat insulation plate (16) is larger than that of the alloy shell (8).