CN112440443A

CN112440443A - Mould movable mould core water cooling system

Info

Publication number: CN112440443A
Application number: CN202011091975.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Xuzhou Xinnanhu Technology Co ltd
Current assignee: Xuzhou Xinnanhu Technology Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-03-05

Abstract

The invention discloses a water cooling system for a movable mold core of a mold, which carries out water cooling in multiple stages and areas according to the specific shape of a workpiece and carries out uniform cooling, it is characterized by comprising a mold core main body and a forming plate, wherein the forming plate is fixed on the mold core main body through a screw and a fixing hole in a matching way, a cavity is formed between the forming plate and the die core main body in a combined manner and is used for cooling water circulation, the corners of the mold core main body are provided with positioning blocks and positioning holes, the middle part of the mold core main body is provided with a plurality of groups of independent grooves, the two ends of the groove are communicated with the outside of the mold core through a communication hole, the opening part of the communication hole is provided with a thread for connecting an external water pipe, the communicating hole has a large inlet and a small outlet, a sealing gasket is arranged in the communicating hole, the sealing strip is made of high-temperature resistant material, a filter screen is arranged in the communicating hole, and the center line of the communicating hole and the center line of the end part of the groove are collinear.

Description

Mould movable mould core water cooling system

Technical Field

The invention discloses a water cooling system for a movable mold core of a mold, relates to a water cooling system for cooling a workpiece in the movable mold core of the mold, and belongs to the field of molds. In particular to a water cooling system which carries out water cooling in multiple stages according to the specific shape of a workpiece and carries out uniform cooling.

Background

At present, in the technical field of molds, a mold core is a precision part used for key operation of a central part of the mold, the general structure of the mold core is extremely complex, the processing difficulty is very large, the manufacturing cost is very high, the labor expenditure often produced greatly exceeds that of the material, a cooling water channel is an important core structure for cooling the mold core, the service life of a workpiece produced by the mold is related, the temperature of a molten metal can be gradually reduced in the molding process when the workpiece is molded, the existing water channel system cannot cool the mold core according to the demand in different regions when water cooling is carried out, the service life of the produced workpiece is influenced, and the thickness and the size of some workpieces are uneven, and the workpiece cooling speed is required to be controlled according to the thickness and the size of the workpiece when the workpiece is cooled.

Notice No. CN209289645U discloses a water-cooled lower mould of moulding plastics, including die holder, lower mould, mold core, water cooler, end cap, spoiler, lower inhalant canal, lower exhalant canal, upward inhalant canal, upward exhalant canal, during operation, when the raw materials of fuse state fill between lower mould and mold core, cold water gets into in the mold core through lower inhalant canal, cold water flows through the discharge orifice that sets up on the spoiler, discharge through lower exhalant canal afterwards, because the temperature of metal solution descends gradually when the mould carries out the design, the device can't carry out multistage subregion water-cooling to the mold core, and the cooling is inhomogeneous, influences the quality of mold core output work piece.

Publication number CN208930617U discloses a mold core structure with a conformal water-carrying cooling water channel, comprising: the first mold core comprises a first insert and a first cooling seat with a first cooling water channel formed through 3D printing, wherein a first cavity is formed in the lower surface of the first cooling seat, and the first insert is in diffusion bonding with the first cooling seat; the second mold core comprises a second cooling seat with a second cooling water channel formed through 3D printing, and a second cavity is formed in the upper surface of the second cooling seat; first mold core with when the second mold core is closed, thereby first mold cavity with the closed mold cavity seat that forms the product of second mold cavity, first cooling seat reaches second cooling seat is located respectively the upper portion and the lower part of mold cavity seat, and the device is when carrying out the water-cooling to the mold core and is wholly carrying out the water-cooling to the mold core, because the temperature is gradually reduced when moulding to metal solution, does not carry out subregion water-cooling to the mold core and can influence the life of output work piece.

Disclosure of Invention

In order to improve the condition, the water cooling system for the movable mold core of the mold is used for carrying out water cooling in multiple stages according to the specific shape of a workpiece and carrying out uniform cooling.

The invention discloses a movable mould core water cooling system of a mould, which is realized by the following steps: the invention relates to a movable mold core water cooling system of a mold, which comprises a mold core main body and a forming plate, wherein the forming plate is fixed on the mold core main body in a matched manner through a screw and a fixing hole;

a positioning block and a positioning hole are arranged at the corner of the mold core main body, and a plurality of groups of independent grooves are processed at the middle position of the mold core main body; the groove is an annular groove, a return groove, a U-shaped groove or other special-shaped communicating grooves; the two ends of the groove are communicated with the outside of the mold core through a communication hole, a thread used for connecting an external water pipe is arranged at the opening part of the communication hole, the inlet of the communication hole is large, the outlet of the communication hole is small, a sealing strip is arranged in the communication hole, the sealing strip is made of high-temperature-resistant materials, a filter screen is arranged in the communication hole, and the central line of the communication hole and the central line of the end part of the; the groove is internally provided with a radiating fin which is a copper sheet and is in seamless connection with the inner wall of the groove; a partition plate is formed between the grooves, the thickness of the partition plate is 3-5mm, and a fixing hole connected and fixed with the forming plate is formed in the partition plate; a push rod hole is formed in the groove and penetrates through the mold core main body;

the thickness of each part of the forming plate is consistent, the upper surface of the forming plate is provided with a die groove used for forming a product, the bottom of the forming plate is provided with a screw hole matched and fixed with a screw, and the bottom of the forming plate is provided with a position avoiding hole matched with a push rod hole.

Has the beneficial effects.

Firstly, the mold core can be subjected to multi-stage regional water cooling, and the cooling is uniform.

And secondly, controlling the cooling speed according to the shape and the structure of the processed workpiece.

Drawings

FIG. 1 is a three-dimensional structure diagram of a water cooling system of a movable mold core of a mold;

FIG. 2 is a schematic structural view of a water cooling system for a movable mold core of a mold according to the present invention;

FIG. 3 is a three-dimensional structure diagram of the water cooling system of the movable mold core of the mold.

In the attached drawings

Wherein the method comprises the following steps: the movable mould core comprises a movable mould core main body (1), a communication hole (2), a push rod hole (3), a groove (4), a positioning hole (5), a positioning block (6), a fixing hole (7), a sealing strip (8), a forming plate (9) and a mould groove (10).

The specific implementation mode is as follows:

the invention discloses a movable mould core water cooling system of a mould, which is realized by the following steps: the invention relates to a movable mold core water cooling system of a mold, which comprises a mold core main body and a forming plate (9), wherein the forming plate (9) is fixed on the mold core main body in a matching way through a screw and a fixing hole (7), a cavity is formed between the forming plate (9) and the mold core main body in a combined way, and the cavity is used for cooling water circulation; a positioning block (6) and a positioning hole (5) are arranged at the corner of the mold core main body, and a plurality of groups of independent grooves (4) are processed in the middle of the mold core main body; the groove (4) is an annular groove, a return groove, a U-shaped groove or other special-shaped communicating grooves; the two ends of the groove (4) are communicated with the outside of the mold core through the communicating hole (2), the opening part of the communicating hole (2) is provided with a thread used for connecting an external water pipe, the inlet of the communicating hole (2) is large, the outlet of the communicating hole is small, a sealing strip (8) is arranged in the communicating hole (2), the sealing strip (8) is made of high-temperature-resistant materials, a filter screen is arranged in the communicating hole (2), and the central line of the communicating hole (2) is collinear with the central line of the end part of the groove (4;

a radiating fin is arranged in the groove (4), and the radiating fin is a copper sheet and is in seamless connection with the inner wall of the groove (4); a partition plate is formed between the grooves (4), the thickness of the partition plate is 3-5mm, and a fixing hole (7) which is fixedly connected with a forming plate (9) is formed in the partition plate; a push rod hole (3) is formed in the groove (4), and the push rod hole (3) penetrates through the mold core main body; the thickness of each part of the forming plate (9) is consistent, a die groove (10) used for forming a product is formed in the upper surface of the forming plate (9), a screw hole matched and fixed with a screw is formed in the bottom of the forming plate (9), and a position avoiding hole matched with the push rod hole (3) is formed in the bottom of the forming plate (9);

when the multi-stage regional water cooling die is used, firstly, the forming plate (9) is placed on the die core main body, metal liquid is filled in a die groove (10) of the forming plate (9), a workpiece is shaped, after the shaping is finished, the multiple groups of grooves (4) are connected with an external water cooling device, the multiple groups of grooves (4) form multiple water cooling regions, the forming plate (9) is cooled, the arrangement of the grooves (4) can be designed according to the shape of the workpiece, multi-stage regional water cooling is realized, the cooling is uniform, and the cooling effect is good; the groove (4) is designed into an annular groove, a returning groove, a U-shaped groove or other special-shaped communicating grooves, and is designed according to workpieces in different shapes, and targeted water cooling is performed, so that the workpiece cooling effect is good; the communicating hole (2) has a large inlet and a small outlet, can be guided by a water pipe of an external refrigerating device and is convenient to connect and install; the design that a sealing strip (8) is arranged in the communicating hole (2) can enable the water pipe and the communicating hole (2) to form sealing, and the cooling effect is prevented from being influenced by water leakage; the design of a filter screen is arranged in the communicating hole (2), so that the circulating water body can be filtered, and the cooling effect is ensured; the center line of the communication hole (2) and the center line of the end part of the groove (4) are collinear, so that water can flow through the middle part of the groove (4), and heat exchange is uniform at each part; the design of radiating fins is arranged in the groove (4), so that the contact area with a water body is increased, and the heat exchange efficiency is high; the radiating fins are designed by copper sheets, and the heat loss in heat exchange is reduced by materials and processes, so that the heat conductivity is improved;

the aim of carrying out water cooling and uniform cooling in multiple stages according to the specific shape of the workpiece is fulfilled.

Claims

1. The utility model provides a mould movable mould core water cooling system, includes mold core main part, profiled sheeting, and the profiled sheeting passes through the screw and the fixed orifices cooperation is fixed in the mold core main part, the combination vacuole formation between profiled sheeting and the mold core main part, the cavity is used for the cooling water circulation, its characterized in that mold core main part corner is provided with locating piece and locating hole, mold core main part middle part position processing has the independent slot of multiunit.

2. The water cooling system for the movable mold core of the mold according to claim 1, wherein two ends of the groove are communicated with the outside of the mold core through a communication hole, a thread for connecting an external water pipe is arranged at a port part of the communication hole, an inlet of the communication hole is large, an outlet of the communication hole is small, a filter screen is arranged in the communication hole, and a center line of the communication hole and a center line of the end part of the groove are collinear.

3. The water cooling system for the movable mold core of the mold as recited in claim 2, wherein a seal strip is provided in the communication hole.

4. The water cooling system for the movable mold core of the mold as recited in claim 1 or 2, wherein the groove is provided with a heat sink, and the heat sink is a copper sheet and is connected with the inner wall of the groove in a seamless manner.

5. The water cooling system for the moving mold core of claim 4, wherein partitions are formed between the grooves.

6. The water cooling system for the movable mold core of the mold as recited in claim 5, wherein the partition plate is provided with fixing holes for fixedly connecting with the molding plate.

7. The water cooling system for the movable mold core of the mold as recited in claim 5 or 6, wherein the thickness of the partition is 3-5 mm.

8. The water cooling system for the movable mold core of the mold according to claim 4, wherein a push rod hole is formed in the groove, and the push rod hole penetrates through the mold core main body.

9. The water cooling system for the movable mold core of the mold according to claim 8, wherein the groove is an annular groove, a circular groove, a U-shaped groove or other irregularly-shaped communicating grooves.

10. The water cooling system for the movable mold core of the mold as recited in claim 6, wherein the forming plate has a uniform thickness throughout, the upper surface of the forming plate is provided with a mold groove for molding a product, the bottom of the forming plate is provided with a screw hole matched and fixed with a screw, and the bottom of the forming plate is provided with a position-avoiding hole matched with the push rod hole.