CN211251241U

CN211251241U - Novel high-efficient type injection mold

Info

Publication number: CN211251241U
Application number: CN201921728001.2U
Authority: CN
Inventors: 郑秀霞; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-08-14
Anticipated expiration: 2029-10-15

Abstract

The utility model belongs to the technical field of mould equipment, especially, be a novel high-efficient type injection mold, including the mould main part, the cooling bath has been seted up to the inside of mould main part, a side of cooling bath inside is linked together through the outlet of straw with the water pump, the water sucking mouth of water pump is linked together with the top of three shunt tubes, another item of three shunt tubes is linked together with the top of insulation can to the inboard bottom of insulation can is provided with electric heater. The utility model discloses, through setting up mutually supporting between water pump, electric heater, coolant liquid storage jar and the cooling bath, therefore can reduce the difference in temperature between injected raw materials and the mould main part to can reduce the influence that thermal stress caused the product, and the coolant liquid that liquid water held inside at the in-process of flow through coolant liquid storage jar can be to liquid water cooling treatment, and form a hydrologic cycle passageway, therefore alright improve the cooling effect of mould main part in the unit interval.

Description

Novel high-efficient type injection mold

Technical Field

The utility model belongs to the technical field of mould equipment, concretely relates to novel high-efficient type injection mold.

Background

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 melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

The mould need cool off after the cast molding, can be taken out by injection mold's die cavity, and present mould most do not possess the function of preheating, there is great difference in temperature between injection mold and the raw materials that pours into, lead to the increase of raw materials inlayer and outer layer temperature gradient, form thermal stress, and the cooling is the heat conductivility who relies on the mould usually, the radiating effect in the unit interval is relatively poor, it is longer to cause carrying out the injection moulding process required time, consequently, need for a novel high-efficient type injection mold to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a novel high-efficient type injection mold to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel high-efficient type injection mold, includes the mould main part, the cooling bath has been seted up to the inside of mould main part, a side of the inside of cooling bath is linked together through the outlet of straw and water pump, the water sucking mouth of water pump is linked together with the top of three shunt tubes, another item of three shunt tubes is linked together with the top of insulation can to the inboard bottom of insulation can is provided with electric heater, and the side of insulation can is linked together through the bottom of first drainage tube with the cooling bath inboard, the tail item of three shunt tubes is linked together with the side that the storage water tank is close, the another side of storage water tank is linked together through the bottom of connecting pipe and spiral pipe, the top of spiral pipe is linked together through a side that second drainage tube and cooling bath are.

Preferably, a first valve and a second valve are respectively arranged on the second term and the tail term of the three shunt tubes, a third valve is arranged on the first drainage tube, and a fourth valve is arranged on the second drainage tube.

Preferably, the spiral pipe is located the coolant liquid holding jar, the bottom joint of second drainage tube is at the top of coolant liquid holding jar, the top joint of connecting pipe is in the bottom of coolant liquid holding jar.

Preferably, the input end of the water pump is electrically connected with the output end of the first switch through a lead, the input end of the electric heater is electrically connected with the output end of the second switch through a lead, and the input ends of the first switch and the second switch are electrically connected with the output end of the power supply through leads.

Preferably, the first switch and the second switch are both provided on one side face of the mold main body, and the power source is provided on a surface of the mold main body.

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

the utility model discloses, through setting up mutually supporting between water pump, electric heater, coolant liquid storage jar and the cooling bath, therefore can reduce the difference in temperature between injected raw materials and the mould main part to can reduce the influence that thermal stress caused the product, and the coolant liquid that liquid water held inside at the in-process of flow through coolant liquid storage jar can be to liquid water cooling treatment, and form a hydrologic cycle passageway, therefore alright improve the cooling effect of mould main part in the unit interval.

The utility model discloses, through setting up the spiral pipe, the spiral pipe is used for prolonging the time that liquid water flows in the coolant liquid holding vessel, therefore alright guarantee the cooling effect of coolant liquid to liquid water, through setting up straw, three shunt tubes and first drainage tube, under three's combined action, formed the circulation channel of a hot liquid water, therefore just can guarantee to assist hot effect to the cooling bath.

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 front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic sectional view of a coolant storage tank according to the present invention;

fig. 3 is a schematic view of the sectional structure of the heat-insulating box of the present invention.

In the figure: 1. a mold body; 2. a cooling tank; 3. a straw; 4. a water pump; 5. three shunt tubes; 6. a heat preservation box; 7. a fourth valve; 8. a water storage tank; 9. a first valve; 10. a second valve; 11. a first draft tube; 12. a third valve; 13. a connecting pipe; 14. a coolant storage tank; 15. a second draft tube; 16. a spiral tube; 17. an electric heater; 18. a power source; 19. a first switch; 20. a second switch.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a novel high-efficient type injection mold, including mould main part 1, cooling bath 2 has been seted up to mould main part 1's inside, 2 inside side of cooling bath is linked together through the outlet of straw 3 with water pump 4, through setting up water pump 4, water pump 4 can pour into the high temperature liquid water in insulation can 6 into cooling bath 2 through straw 3 in carrying out the auxiliary heating to mould main part 1 at the in-process its water sucking mouth of work, therefore can reduce the difference in temperature between raw materials that pour into and mould main part 1, thereby can reduce the influence that thermal stress caused the product, water pump 4's water sucking mouth is linked together with three shunt tubes 5's top, another one of three shunt tubes 5 is linked together with insulation can 6's top, and insulation can 6 inboard bottom be provided with electric heater 17, through setting up electric heater 17, water pump 4 can pour into the high temperature liquid water in insulation can 6 into cooling bath 2 through straw 3 at the in-process of work its water sucking mouth into mould main part 1 and add Heat, and thus the temperature difference between the injected raw material and the mold body 1 can be reduced, thereby reducing the influence of thermal stress on the product, the side surface of the heat preservation box 6 is communicated with the bottom of the inner side of the cooling tank 2 through a first drainage tube 11, and through arranging a suction tube 3, three shunt tubes 5 and the first drainage tube 11, under the combined action of the three, a circulation channel of hot liquid water is formed, so that the auxiliary heating effect on the cooling tank 2 can be ensured, the tail parts of the three branch pipes 5 are communicated with one side surface close to the water storage tank 8, the other side surface of the water storage tank 8 is communicated with the bottom end of the spiral pipe 16 through a connecting pipe 13, by providing the coil 16, the coil 16 is used to extend the time that the liquid water flows within the coolant storage tank 14, thereby ensuring the cooling effect of the cooling liquid on the liquid water, and the top end of the spiral tube 16 is communicated with a side surface close to the inside of the cooling tank 2 through the second drainage tube 15.

Specifically, a first valve 9 and a second valve 10 are respectively arranged on the second section and the tail section of the three branch pipes 5, a third valve 12 is arranged on the first drainage pipe 11, and a fourth valve 7 is arranged on the second drainage pipe 15.

Specifically, the spiral pipe 16 is located in the cooling liquid storage tank 14, the bottom end of the second drainage pipe 15 is clamped at the top of the cooling liquid storage tank 14, and the top end of the connecting pipe 13 is clamped at the bottom of the cooling liquid storage tank 14.

Specifically, the input end of the water pump 4 is electrically connected with the output end of the first switch 19 through a conducting wire, the input end of the electric heater 17 is electrically connected with the output end of the second switch 20 through a conducting wire, and the input ends of the first switch 19 and the second switch 20 are electrically connected with the output end of the power supply 18 through conducting wires.

Specifically, the first switch 19 and the second switch 20 are both provided on one side surface of the mold body 1, and the power source 18 is provided on the surface of the mold body 1.

The utility model discloses a theory of operation and use flow: when the utility model is used, the first valve 9 and the third valve 12 are opened and the second valve 10 and the fourth valve 7 are closed, meanwhile, the second switch 20 is operated in advance to enable the electric heater 17 to work to heat the liquid water stored in the insulation can 6, then the first switch 19 is operated to enable the water pump 4 to operate, the water suction port of the water pump 4 can inject the high-temperature liquid water in the insulation can 6 into the cooling tank 2 through the suction pipe 3 to carry out auxiliary heating on the mould main body 1 in the working process, thereby the temperature difference between the injected raw material and the mould main body 1 can be reduced, the influence of thermal stress on products can be reduced, the second valve 10 and the fourth valve 7 are opened and the first valve 9 and the third valve 12 are closed, then the first switch 19 is operated again to enable the water pump 4 to operate, the water pump 4 can guide the liquid water in the water storage tank 8 into the cooling tank 2 through the suction pipe 3 to carry out cooling operation on the mould main body 1 in the working process, the liquid water in the cooling tank 2 flows through the second drainage tube 15, flows through the cooling liquid storage tank 14, and then is newly gathered into the heat preservation tank 6 through the connecting tube 13, and the cooling liquid contained in the liquid water in the process of flowing through the cooling liquid storage tank 14 can cool the liquid water and form a water circulation channel, so that the cooling effect of the die main body 1 in unit time can be improved.

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. The utility model provides a novel high-efficient type injection mold, includes mould main part (1), its characterized in that: a cooling groove (2) is arranged in the die main body (1), one side surface in the cooling groove (2) is communicated with a water outlet of a water pump (4) through a suction pipe (3), the water suction port of the water pump (4) is communicated with the top ends of the three shunt tubes (5), the other one of the three shunt tubes (5) is communicated with the top of the heat preservation box (6), an electric heater (17) is arranged at the bottom of the inner side of the heat preservation box (6), the side surface of the heat preservation box (6) is communicated with the bottom of the inner side of the cooling groove (2) through a first drainage tube (11), the tail parts of the three shunt tubes (5) are communicated with one side surface close to the water storage tank (8), the other side surface of the water storage tank (8) is communicated with the bottom end of the spiral pipe (16) through a connecting pipe (13), the top end of the spiral pipe (16) is communicated with a side surface close to the inside of the cooling tank (2) through a second drainage pipe (15).

2. The novel efficient injection mold according to claim 1, wherein: the second and tail of the three shunt tubes (5) are respectively provided with a first valve (9) and a second valve (10), the first drainage tube (11) is provided with a third valve (12), and the second drainage tube (15) is provided with a fourth valve (7).

3. The novel efficient injection mold according to claim 1, wherein: the spiral pipe (16) is located cooling liquid storage jar (14), the bottom joint of second drainage tube (15) is at the top of cooling liquid storage jar (14), the top joint of connecting pipe (13) is in the bottom of cooling liquid storage jar (14).

4. The novel efficient injection mold according to claim 1, wherein: the input end of the water pump (4) is electrically connected with the output end of the first switch (19) through a conducting wire, the input end of the electric heater (17) is electrically connected with the output end of the second switch (20) through a conducting wire, and the input ends of the first switch (19) and the second switch (20) are electrically connected with the output end of the power supply (18) through conducting wires.

5. The novel efficient injection mold according to claim 4, wherein: the first switch (19) and the second switch (20) are both provided on one side face of the mold main body (1), and the power source (18) is provided on the surface of the mold main body (1).