CN111618249A - Water-through mold assembly - Google Patents

Water-through mold assembly Download PDF

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Publication number
CN111618249A
CN111618249A CN202010375747.0A CN202010375747A CN111618249A CN 111618249 A CN111618249 A CN 111618249A CN 202010375747 A CN202010375747 A CN 202010375747A CN 111618249 A CN111618249 A CN 111618249A
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CN
China
Prior art keywords
die
upper die
water
lower die
storage tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010375747.0A
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Chinese (zh)
Inventor
操应胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningguo Sifang Steel Ball Molding Tooling Equipment Co ltd
Original Assignee
Ningguo Sifang Steel Ball Molding Tooling Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningguo Sifang Steel Ball Molding Tooling Equipment Co ltd filed Critical Ningguo Sifang Steel Ball Molding Tooling Equipment Co ltd
Priority to CN202010375747.0A priority Critical patent/CN111618249A/en
Publication of CN111618249A publication Critical patent/CN111618249A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D35/00—Equipment for conveying molten metal into beds or moulds
    • B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/082—Sprues, pouring cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/088—Feeder heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The invention relates to a casting mold, in particular to a water-through mold component, which comprises: the upper die is provided with a pouring gate penetrating through the top and the bottom and vent holes on the periphery, the top of the upper die is provided with an inwards concave first liquid storage tank, an upper die water inlet and an upper die water outlet transversely penetrating through the outer side wall of the upper die are arranged at the position where the bottom of the first liquid storage tank is connected with the inner side wall, and the bottom of the upper die is provided with an upper die cavity at the position of the penetrating pouring gate; the upper die cover plate is tightly assembled with the upper die through an installation piece; the top of the lower die is provided with a lower die cavity corresponding to the upper die; the lower die cover plate is tightly assembled with the lower die through an installation piece; compared with the traditional manual die, the invention increases the water supply function, so that molten steel filled in the die cavity is rapidly cooled, molded and demoulded within 3-7 minutes, and the die effect is more than 5 times of that of the traditional die and the sand-lined die of the iron die.

Description

Water-through mold assembly
Technical Field
The invention relates to a casting mold, in particular to a water-through mold assembly.
Background
The die (mUj) is a tool for making a blank into a finished piece with a specific shape and size under the action of external force, and various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and the like 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 element has the name of "industrial mother".
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. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. The part is taken out when the part is separated, the blank is injected into a die cavity for forming when the part is folded, the die is a precise tool, the shape is complex, the expansion force of the blank is borne, the structural strength, the rigidity, the surface hardness, the surface roughness and the processing precision are all higher requirements, and the development level of die production is one of important marks of the mechanical manufacturing level.
The traditional casting mould needs a manual mould and an iron mould to be coated with a sand mould when in use, the cooling time of the mould is longer than that of the mould which needs 25-35 minutes for forming and demoulding; the usage amount of traditional mold precoated sand is large, so that huge waste is caused; the manual die has a short service life due to the high temperature.
Disclosure of Invention
In order to overcome the shortcoming of original casting mould, this application provides a logical water mould subassembly, includes:
the upper die is provided with a pouring gate penetrating through the top and the bottom and vent holes on the periphery, the top of the upper die is provided with a concave first liquid storage tank, an upper die water inlet and an upper die water outlet which transversely penetrate through the outer side wall of the upper die and are communicated with the external environment are arranged at the position where the bottom of the first liquid storage tank is connected with the inner side wall of the upper die, the top of the upper die is also provided with a first mounting hole in the first liquid storage tank, and the bottom of the upper die is provided with an upper die cavity at the position of the penetrating pouring gate;
the size of the upper die cover plate is larger than that of the upper die, the upper die cover plate is tightly assembled with a first mounting hole in the upper die through an installation part, an exposed extension part is arranged around the assembled upper die cover plate, a second mounting hole matched with the frame for mounting is formed in the extension part, and a through hole for exposing the pouring gate is reserved in the upper die cover plate;
the top of the lower die is provided with a lower die cavity corresponding to the upper die cavity of the upper die, a positioning hole is formed in the center of the position corresponding to the pouring gate of the upper die, the bottom of the lower die is provided with an inwards concave second liquid storage tank, a lower die water inlet and a lower die water outlet which transversely penetrate through the outer side wall of the lower die and are communicated with the external environment are formed in the position where the bottom of the second liquid storage tank is connected with the inner side wall, the lower die is provided with a third mounting hole around the second liquid storage tank, and the edge of the bottom opening of the second liquid storage tank is provided with a sealing groove;
the lower die cover plate is tightly assembled with a third mounting hole of the lower die through a mounting piece, and a sealing ring is arranged in the lower die cover plate at a position corresponding to the sealing groove;
the upper die is detachably connected with the upper die cover plate and the lower die is detachably connected with the lower die cover plate, the upper die is a fixed die, and the lower die is driven by a first driving element to open and close with the upper die.
Preferably, the following steps: the lower die and the upper die can be driven by a second driving element to realize overturning after being separated.
Preferably, the following steps: the position of the pouring gate is located in the center of the upper mold.
Preferably, the following steps: the first reservoir is shaped as an annular water channel surrounding the pouring opening.
Preferably, the following steps: the upper die water inlet and the upper die water outlet, and the lower die water inlet and the lower die water outlet are positioned on the same straight line.
Preferably, the following steps: the bottom of the first liquid storage tank and the bottom of the second liquid storage tank are obliquely arranged, and one end close to the water inlet is higher than one end close to the water outlet.
Preferably, the following steps: and the upper die and the lower die are symmetrically provided with a limiting column and a limiting groove which are mutually assembled and then prevent rotation.
Preferably, the following steps: the water-passing mold assembly further comprises a pouring cup used for penetrating through the upper mold and the lower mold, a liquid injection port is formed in the top of the pouring cup, a liquid outlet hole is formed in the bottom of the pouring cup, and a positioning block matched with the positioning hole is formed in the bottom of the pouring cup.
Has the advantages that:
the invention provides a water-through mold assembly, compared with the traditional manual mold and the iron mold precoated sand mold, the cooling time is longer than the time of forming and demolding in 25-35 minutes, the mold is added with a water-through function, molten steel filled in a cavity is rapidly cooled, formed and demolded within 3-7 minutes, the mold effect is more than 5 times of that of the traditional mold and the iron mold precoated sand mold, the chilling process is particularly suitable for steel casting balls, the crystalline structure of the steel casting balls can be finer, and the quality of the steel balls is improved. The mould is also suitable for casting balls made of various alloy materials, and the sand-coated iron mould is only suitable for casting balls with the hardness of products needing to be improved by quenching. The pouring cup of the mold is pre-molded by adopting a hot core box, the sprue and the riser are integrated, the riser is not separately arranged aiming at the process of casting the ball by using the water-through mold, the utilization rate of molten iron is maximized, direct manual installation is realized during production, the operation is simple and rapid, the labor intensity of operators is reduced, and the usage amount of precoated sand is greatly reduced. The mould adopts a water cooling process to greatly prolong the service life of the mould, and the service life of the mould is prolonged by more than one time compared with the service life of the original manual mould.
Drawings
FIG. 1 is an exploded view of a water-filled mold structure;
FIG. 2 is a front view of the upper mold;
FIG. 3 is a side view of the upper mold;
FIG. 4 is a rear view of the upper mold;
FIG. 5 is a front view of the upper mold cover;
FIG. 6 is a front view of the lower mold;
FIG. 7 is a rear view of the lower mold;
FIG. 8 is a side view of the lower mold;
fig. 9 is a schematic view of a structure of a cover plate of a lower mold.
The reference numbers are as follows:
1, an upper die, 1-1 pouring gate, 1-2 vent holes, 1-3 first liquid storage tanks, 1-4 upper die water inlets, 1-5 upper die water outlets, 1-6 first mounting holes and 1-7 upper die cavities;
2, an upper die cover plate, 2-1 extending parts, 2-2 second mounting holes and 2-3 through holes;
3, a lower die, 3-1, a lower die cavity, 3-2 positioning holes, 3-3 second liquid storage tanks, 3-4 lower die water inlets, 3-5 lower die water outlets, 3-6 third mounting holes and 3-7 sealing grooves;
4, a lower die cover plate and 4-1 sealing rings;
5, a limiting column and 6 a limiting groove;
7 pouring cup
Detailed Description
The invention is further illustrated with reference to the accompanying figures 1 to 9:
the structure and principle of the water-through mold assembly of the present invention are explained in detail by means of fig. 1 to 9;
the invention relates to a water-through mold assembly, which structurally comprises:
the upper die 1 is provided with a pouring gate 1-1 penetrating through the top and the bottom and a vent hole 1-2 on the periphery, the vent hole 1-2 is used for facilitating the outflow of hot gas to ensure that the hot gas is consistent with the external air pressure when hot melt liquid such as molten iron is poured into a cavity in the die from the pouring gate 1-1, the top of the upper die 1 is provided with a concave first liquid storage tank 1-3, an upper die water inlet 1-4 and an upper die water outlet 1-5 which transversely penetrate through the outer side wall of the upper die and are communicated with the external environment are arranged at the position where the bottom and the inner side wall of the first liquid storage tank are connected, the liquid circulation can be ensured at the connection position to enhance the fluidity, when the upper die needs to be cleaned, the first liquid storage tank is also provided with a first mounting hole 1-6 at the top of the upper die, and the first mounting hole 1-6 is used, an upper die cavity 1-7 is arranged at the bottom of the upper die 1 at the position of the through pouring gate;
the size of the upper die cover plate 2 is larger than that of the upper die 1, the upper die cover plate 2 is fixedly assembled with first mounting holes 1-6 in the upper die 1 through mounting pieces, an exposed extending part 2-1 is arranged around the assembled upper die cover plate 2, a second mounting hole 2-2 matched with a rack for mounting is formed in the extending part 2-1, and a through hole 2-3 for exposing a pouring gate 1-1 is reserved in the upper die cover plate 2;
the die comprises a lower die 3, wherein a lower die cavity 3-1 is arranged at the top of the lower die 3 corresponding to an upper die cavity 1-7 of an upper die 1, a positioning hole 3-2 is arranged at the center of the position corresponding to a pouring gate of the upper die, a concave second liquid storage tank 3-3 is arranged at the bottom of the lower die 3, a lower die water inlet 3-4 and a lower die water outlet 3-5 which transversely penetrate through the outer side wall of the lower die and are communicated with the external environment are arranged at the position where the bottom of the second liquid storage tank is connected with the inner side wall, a third mounting hole 3-6 is arranged at the periphery of the second liquid storage tank 3-3 of the lower die 3, the third mounting hole 3-6 is used for fastening with a lower die cover plate 4, and a sealing groove 3-7 is arranged at the bottom opening;
the lower die cover plate 4 is tightly assembled with a third mounting hole 3-6 of the lower die 3 through a mounting piece, a sealing ring 4-1 is arranged in the lower die cover plate 4 corresponding to a sealing groove 3-7, and the sealing groove and the sealing ring are required to be arranged to improve the sealing property after mounting due to the fact that a liquid storage groove is formed in the bottom of the lower die;
go up mould 1 and last mould apron 2, bed die 3 and lower mould apron 4 can dismantle and be connected, go up mould 1 and cover the mould, the bed die 3 is realized and go up opening and shutting of mould by the drive of first drive element, first drive element can select gas, jar hydro-cylinder etc. that have flexible function according to the condition, plays the main action and lies in the compound die and the die sinking between drive bed die (movable mould) and the last mould (cover half).
Preferably, the following steps: the lower die 3 can be driven by a second driving element to realize overturning after being separated from the upper die 1, and particularly, the second area driving element can drive the lower die 3 to overturn for a rack and a gear or drive one side of a movable die to realize overturning by a telescopic cylinder and an oil cylinder.
Preferably, the following steps: the pouring gate 1-1 is positioned in the center of the upper die 1, and is arranged in the center to facilitate uniform molding of poured liquid in a cavity.
Preferably, the following steps: the first liquid storage tank 1-3 is in the shape of an annular water tank surrounding the pouring gate 1-1, and in order to ensure that the original pouring gate is not influenced and the water storage tank has a water storage function, the water storage tank is designed to be in an annular shape.
Preferably, the following steps: the upper die water inlet 1-4, the upper die water outlet 1-5, the lower die water inlet 3-4 and the lower die water outlet 3-5 are positioned on the same straight line in the same direction, and the design has the advantage that the circulating liquid flows from the water inlet to the water outlet most directly, particularly for the first water storage tank with an annular structure, the water flow entering the water inlet can be divided into two channels, and therefore the lengths of the water channels on the two sides can be the same.
Preferably, the following steps: the bottom parts of the first liquid storage tank 1-3 and the second liquid storage tank 3-3 are obliquely arranged, one end close to the water inlet is higher than one end close to the water outlet, and the design has the advantages that the flow speed is increased, and the better circulating cooling effect is realized.
Preferably, the following steps: and the upper die 1 and the lower die 3 are symmetrically provided with a limiting column 5 and a limiting groove 6 which are mutually assembled and then prevent rotation.
Preferably, the following steps: the water-through mold assembly further comprises a pouring cup 7 which is used for penetrating through the upper mold and the lower mold in a matched mode, wherein a liquid injection port is formed in the top of the pouring cup 7, a liquid outlet hole is formed in the bottom of the pouring cup 7, and a positioning block which is matched with the positioning hole 3-2 is arranged at the bottom of the pouring cup.
The water supply working mode of the die is as follows:
the mould water is provided with a set of independent water circulation system, the production line is provided with a water tank, a water pump, a cooling tower (or a cold-heat exchanger), a main water inlet pipe and a main water outlet pipe, the main water pipe is provided with a plurality of connectors with valves, and the water inlet and outlet of the upper mould and the lower mould are respectively corresponding to the connectors. The water circulation is equipped with an intelligent temperature control system, so that the die is ensured to be in a certain temperature range.
The invention provides a water-through mold assembly, compared with the traditional manual mold and the iron mold precoated sand mold, the cooling time is longer than the time of forming and demolding in 25-35 minutes, the mold is added with a water-through function, molten steel filled in a cavity is rapidly cooled, formed and demolded within 3-7 minutes, the mold effect is more than 5 times of that of the traditional mold and the iron mold precoated sand mold, the chilling process is particularly suitable for steel casting balls, the crystalline structure of the steel casting balls can be finer, and the quality of the steel balls is improved. The mould is also suitable for casting balls made of various alloy materials, and the sand-coated iron mould is only suitable for casting balls with the hardness of products needing to be improved by quenching. The pouring cup of the mold is pre-molded by adopting a hot core box, the sprue and the riser are integrated, the riser is not separately arranged aiming at the process of casting the ball by using the water-through mold, the utilization rate of molten iron is maximized, direct manual installation is realized during production, the operation is simple and rapid, the labor intensity of operators is reduced, and the usage amount of precoated sand is greatly reduced. The mould adopts the water cooling technology to greatly improve the service life of the mould, and the service life is improved by more than one time compared with the service life of the original manual mould
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims (8)

1. A water-through die assembly, comprising:
the upper die is provided with a pouring gate penetrating through the top and the bottom and vent holes on the periphery, the top of the upper die is provided with a concave first liquid storage tank, an upper die water inlet and an upper die water outlet which transversely penetrate through the outer side wall of the upper die and are communicated with the external environment are arranged at the position where the bottom of the first liquid storage tank is connected with the inner side wall of the upper die, the top of the upper die is also provided with a first mounting hole in the first liquid storage tank, and the bottom of the upper die is provided with an upper die cavity at the position of the penetrating pouring gate;
the size of the upper die cover plate is larger than that of the upper die, the upper die cover plate is tightly assembled with a first mounting hole in the upper die through an installation part, an exposed extension part is arranged around the assembled upper die cover plate, a second mounting hole matched with the frame for mounting is formed in the extension part, and a through hole for exposing the pouring gate is reserved in the upper die cover plate;
the top of the lower die is provided with a lower die cavity corresponding to the upper die cavity of the upper die, a positioning hole is formed in the center of the position corresponding to the pouring gate of the upper die, the bottom of the lower die is provided with an inwards concave second liquid storage tank, a lower die water inlet and a lower die water outlet which transversely penetrate through the outer side wall of the lower die and are communicated with the external environment are formed in the position where the bottom of the second liquid storage tank is connected with the inner side wall, the lower die is provided with a third mounting hole around the second liquid storage tank, and the edge of the bottom opening of the second liquid storage tank is provided with a sealing groove;
the lower die cover plate is tightly assembled with a third mounting hole of the lower die through a mounting piece, and a sealing ring is arranged in the lower die cover plate at a position corresponding to the sealing groove;
the upper die is detachably connected with the upper die cover plate and the lower die is detachably connected with the lower die cover plate, the upper die is a fixed die, and the lower die is driven by a first driving element to open and close with the upper die.
2. The water passing die assembly of claim 1 wherein: the lower die and the upper die can be driven by a second driving element to realize overturning after being separated.
3. The water passing die assembly of claim 1 wherein: the position of the pouring gate is located in the center of the upper mold.
4. The water passing die assembly of claim 1 wherein: the first reservoir is shaped as an annular water channel surrounding the pouring opening.
5. The water passing die assembly of claim 1 wherein: the upper die water inlet and the upper die water outlet, and the lower die water inlet and the lower die water outlet are positioned on the same straight line.
6. The water passing die assembly of claim 1 wherein: the bottom of the first liquid storage tank and the bottom of the second liquid storage tank are obliquely arranged, and one end close to the water inlet is higher than one end close to the water outlet.
7. The water passing die assembly of claim 1 wherein: and the upper die and the lower die are symmetrically provided with a limiting column and a limiting groove which are mutually assembled and then prevent rotation.
8. The water passing die assembly of claim 1 wherein: the water-passing mold assembly further comprises a pouring cup used for penetrating through the upper mold and the lower mold, a liquid injection port is formed in the top of the pouring cup, a liquid outlet hole is formed in the bottom of the pouring cup, and a positioning block matched with the positioning hole is formed in the bottom of the pouring cup.
CN202010375747.0A 2020-05-07 2020-05-07 Water-through mold assembly Pending CN111618249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010375747.0A CN111618249A (en) 2020-05-07 2020-05-07 Water-through mold assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010375747.0A CN111618249A (en) 2020-05-07 2020-05-07 Water-through mold assembly

Publications (1)

Publication Number Publication Date
CN111618249A true CN111618249A (en) 2020-09-04

Family

ID=72267753

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010375747.0A Pending CN111618249A (en) 2020-05-07 2020-05-07 Water-through mold assembly

Country Status (1)

Country Link
CN (1) CN111618249A (en)

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