CN211441037U

CN211441037U - Injection mold heat abstractor

Info

Publication number: CN211441037U
Application number: CN201922470652.2U
Authority: CN
Inventors: 钟灿秋
Original assignee: Dongguan Zhongcui Mold Plastic Technology Co ltd
Current assignee: Dongguan Zhongcui Mold Plastic Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an injection mould heat dissipation device, which comprises a base, a lower mould and an upper mould; the lower die is located the base upside, be provided with the support between lower die and the base, the welding of support both ends is in lower die bottom and base upside, it is located the lower die upside to go up the mould, the inside lower mold core that is provided with of lower die, it is provided with the upper mold core to go up the mould bottom, the lower die upside is provided with the jack all around, it is provided with the inserted bar all around to go up the mould bottom, the welding of inserted bar upper end is in last mould bottom, the inserted bar inserts inside the jack. The utility model discloses fan unit extracts the inside air of bed die, and the air that ambient temperature reduces will get into inside the bed die through the air intake, takes out the inside heat of bed die through the air current, is convenient for cool down to the bed die is inside.

Description

Injection mold heat abstractor

Technical Field

The utility model relates to an injection mold equipment technical field specifically is an injection mold heat abstractor.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The mould is a tool which can make the blank into a product with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge.

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic which is melted by heating is injected into a mold cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold heat abstractor to solve current injection mold and generally be through natural cooling, need a large amount of time, influence the problem of injection-molding machining efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation device for an injection mold comprises a base, a lower mold and an upper mold; the improved fan assembly comprises a lower die, a base, a support, an upper die, a lower die, an air inlet, an air outlet, a fan set and a fan set, wherein the lower die is located on the upper side of the base, the support is arranged between the lower die and the base, two ends of the support are welded on the bottom end of the lower die and the upper side of the base, the upper die is located on the upper side of the lower die, a lower die core is arranged inside the lower die, the bottom end of the upper die is provided with an upper die core, jacks are formed in the upper side of the lower die, insertion rods are arranged around the bottom end of the upper die, the upper ends of the insertion rods are welded on the bottom end of the upper die.

Preferably, a heat conduction plate is arranged at the bottom end of the lower die core in the lower die and welded at the bottom end of the lower die.

Preferably, the lower die is internally provided with filter screens at the air inlet and the air outlet, and the filter screens are welded inside the lower die.

Preferably, a thermistor is arranged in the lower die and fixedly mounted on one side of the lower die through a bolt, and the thermistor is electrically connected with the fan unit through a lead.

Preferably, the outer side of the lower die is provided with a heat insulation plate, and the heat insulation plate is fixedly installed on the outer side of the lower die through bolts.

Preferably, go up the mould bottom and the bed die upside all is provided with soft metal gasket, and soft metal gasket welding is in last mould bottom or bed die upside.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the fan unit extracts air in the lower die, the air with the reduced outside temperature enters the lower die through the air inlet, and the heat in the lower die is taken out through airflow, so that the temperature in the lower die is conveniently reduced;

2. the soft metal pad is soft in texture, can deform when being extruded during injection molding, seals a gap between the upper die and the lower die, and avoids the phenomenon of liquid leakage;

3. the thermistor is a negative temperature coefficient thermistor (NTC), the higher the temperature is, the lower the resistance value is, the higher the voltage led into the fan set is, the higher the rotating speed of the fan set is, and the flow of air flow is improved;

4. the filter screen is used for filtering the inside air of getting into the bed die, avoids mixing with the dust in the air and gets into the bed die inside, influences the inside heat dissipation of bed die.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the lower mold of the present invention;

fig. 3 is a schematic structural view of the fan unit of the present invention.

In the figure: 1. a base; 2. a support; 3. a lower die; 4. a jack; 5. inserting a rod; 6. a soft metal pad; 7. an upper die; 8. an air outlet; 9. a thermistor; 10. a heat insulation plate; 11. an air inlet; 12. a filter screen; 13. a lower mold core; 14. a fan unit; 15. a heat conducting plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, an injection mold heat dissipation device includes a base 1, a lower mold 3 and an upper mold 7; lower mould 3 is located 1 upside of base, be provided with support 2 between lower mould 3 and the

base

1, 2 both ends welding of support are in 3 bottoms of lower mould and 1 upside of base, it is located 3 upsides of lower mould to go up

mould

7, 3 inside lower mould 13 that are provided with of lower mould, 7 bottoms of last mould are provided with the mold core, 3 upsides of lower mould are provided with jack 4 all around, 7 bottoms of last mould are provided with inserted bar 5 all around, 5 upper ends welding of inserted bar are in 7 bottoms of last mould, inserted bar 5 inserts inside jack 4, 3 insides of lower mould are the cavity setting, 3 upsides of lower mould are provided with air intake 11 all around, 3 bottoms of lower mould are provided with

air outlet

8, 8 insides of air outlet are provided with fan group 14, fan group 14 passes through bolt fixed mounting in 3 bottoms.

Further, the heat-conducting plate 15 is arranged at the bottom end position of the lower mold core 13 in the lower mold 3, the heat-conducting plate 15 is welded at the bottom end position of the lower mold 3, the heat-conducting plate 15 has good heat conductivity, the contact area with air can be increased, and the heat dissipation of the lower mold 3 is improved.

Further, 3 inside air intakes 11 and the inside filter screen 12 that is provided with of air outlet 8 that lie in of bed die, and filter screen 12 welds inside 3 bed dies, and filter screen 12 is used for filtering the air that gets into 3 insides of bed die, avoids mixing with the dust in the air and gets into 3 insides of bed die, and the influence is to the inside heat dissipation of bed die 3.

Furthermore, a thermistor 9 is arranged inside the lower die 3, the thermistor 9 is fixedly installed on one side of the lower die 3 through bolts, the thermistor 9 is electrically connected with the fan set 14 through a lead, the thermistor 9 is a negative temperature coefficient thermistor 9(NTC), when the temperature is higher, the resistance value is lower, the voltage led into the fan set 14 is increased, the rotating speed of the fan set 14 is increased, and the flow of air flow is improved.

Further, the heat insulating plate 10 is arranged on the outer side of the lower die 3, the heat insulating plate 10 is fixedly mounted on the outer side of the lower die 3 through bolts, the heat insulating plate 10 has good heat insulating performance, and the situation that the temperature on the outer side of the lower die 3 is high and workers are scalded is avoided.

Further, go up mould 7 bottom and 3 upsides of bed die and all be provided with soft metal gasket 6, and soft metal gasket 6 welds in 7 bottoms of last mould or 3 upsides of bed die, and soft metal gasket 6's texture is comparatively soft, can produce when moulding plastics and warp, seals up the space between mould 7 and the bed die 3, avoids appearing the phenomenon of weeping.

The utility model discloses a theory of operation and use flow: when moulding plastics, open fan group 14 through the switch, fan group 14 is when rotating, and the air that will die 3 insides passes through air outlet 8 and derives, and air outlet 8 is at the in-process of deriving the air, and the lower air of ambient temperature will get into 3 insides of bed die through air intake 11 inside, cools down 3 insides of bed die through the air, is convenient for improve and cools down 3 insides of bed die.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat dissipation device of an injection mold comprises a base (1), a lower mold (3) and an upper mold (7); the method is characterized in that: the lower die (3) is positioned on the upper side of the base (1), the support (2) is arranged between the lower die (3) and the base (1), the two ends of the support (2) are welded on the bottom of the lower die (3) and the upper side of the base (1), the upper die (7) is positioned on the upper side of the lower die (3), the lower die (3) is internally provided with a lower die core (13), the bottom of the upper die (7) is provided with an upper die core, the upper side of the lower die (3) is provided with jacks (4) all around, the bottom of the upper die (7) is provided with inserting rods (5) all around, the upper ends of the inserting rods (5) are welded on the bottom of the upper die (7), the inserting rods (5) are inserted into the jacks (4), the inner part of the lower die (3) is arranged in a hollow mode, the upper side of the lower die (3) is provided with air inlets (, a fan set (14) is arranged inside the air outlet (8), and the fan set (14) is fixedly installed at the bottom end of the lower die (3) through bolts.

2. The injection mold heat sink of claim 1, wherein: the heat-conducting plate (15) is arranged at the bottom end of the lower mold core (13) inside the lower mold (3), and the heat-conducting plate (15) is welded at the bottom end of the lower mold (3).

3. The injection mold heat sink of claim 1, wherein: the air inlet (11) and the air outlet (8) are arranged inside the lower die (3), filter screens (12) are arranged inside the lower die (3), and the filter screens (12) are welded inside the lower die (3).

4. The injection mold heat sink of claim 1, wherein: the fan is characterized in that a thermistor (9) is arranged inside the lower die (3), the thermistor (9) is fixedly installed on one side of the lower die (3) through a bolt, and the thermistor (9) is electrically connected with the fan set (14) through a lead.

5. The injection mold heat sink of claim 1, wherein: and a heat insulation plate (10) is arranged on the outer side of the lower die (3), and the heat insulation plate (10) is fixedly installed on the outer side of the lower die (3) through bolts.

6. The injection mold heat sink of claim 1, wherein: the bottom end of the upper die (7) and the upper side of the lower die (3) are both provided with soft metal pads (6), and the soft metal pads (6) are welded at the bottom end of the upper die (7) or the upper side of the lower die (3).