CN111673393A - Original body mold and manufacturing method thereof - Google Patents

Original body mold and manufacturing method thereof Download PDF

Info

Publication number
CN111673393A
CN111673393A CN202010590442.1A CN202010590442A CN111673393A CN 111673393 A CN111673393 A CN 111673393A CN 202010590442 A CN202010590442 A CN 202010590442A CN 111673393 A CN111673393 A CN 111673393A
Authority
CN
China
Prior art keywords
cladding
layer
metal material
thickness
original body
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
CN202010590442.1A
Other languages
Chinese (zh)
Inventor
张国超
王云飞
赵庆晨
王佳睿
李冬
翁卫军
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.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Precision Mold Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Precision Mold 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 Gree Electric Appliances Inc of Zhuhai, Zhuhai Gree Precision Mold Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202010590442.1A priority Critical patent/CN111673393A/en
Publication of CN111673393A publication Critical patent/CN111673393A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/007—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass injection moulding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B22C9/061—Materials which make up the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer

Abstract

The invention provides a method for manufacturing an original body mould and the original body mould. The manufacturing method of the original body mould comprises the following steps: step S1, setting a first over-cutting thickness and a metal material of the blank; step S2, roughly machining the blank, and over-cutting the roughly machined blank according to the first over-cutting thickness to form a base layer; step S3, cladding another metal material on the base layer in step S2 to form a cladding layer. According to the method for manufacturing the original body die and the original body die, provided by the invention, the cladding layer is formed by cladding the metal material meeting the surface quality requirement on the substrate layer with lower cost, so that the cost of the original body die is reduced on the premise of ensuring the surface quality of the original body die, the cladding layers can be ensured to have certain thickness by multilayer cladding, and the cladding directions of adjacent cladding thin layers have included angles, so that the problems of concentration of temperature at a junction, uneven heat dissipation, generation of coarse crystals, poor local strength or local pits and the like are avoided.

Description

Original body mold and manufacturing method thereof
Technical Field
The invention relates to the technical field of dies, in particular to a method for manufacturing an original die and the original die.
Background
In recent years, industries such as automobiles, household electrical appliances and communication are highly developed, and the scale and level of the injection molding industry and the mold industry are rapidly promoted. In the accurate injection mold structure, the inlaying die structural strength is relatively poor, needs to adopt former body plate front mould in a large number, guarantees the precision of injection molding, and the former blank of former body plate is bulky, need adopt high-quality rigid mould steel moreover, and purchasing cost processing cost is high, has increased the mould and has opened the system cost to when later stage maintenance, need whole replacement former body plate, cause the problem of wasting of resources and increase in cost.
Disclosure of Invention
In order to solve the technical problems of high opening cost and high maintenance cost of the existing original body plate front mold, the manufacturing method of the original body mold and the original body mold are provided, wherein a cladding layer is formed by cladding a high-quality metal material on a metal material with lower cost in a multi-layer mode to ensure the surface quality.
A method for manufacturing a prototype mold comprises the following steps:
step S1, setting a first over-cutting thickness and a metal material of the blank;
step S2, roughly machining the blank, and over-cutting the roughly machined blank according to the first over-cutting thickness to form a base layer;
and step S3, cladding another metal material on the base layer in the step S2 to form a cladding layer, wherein the thickness of the cladding layer is equal to the first overcut thickness.
In step S3, the method further includes:
and performing multi-layer cladding on the substrate layer in the step S2, wherein each layer of cladding forms a cladding thin layer, all the cladding thin layers jointly form the cladding layer, and the cladding directions of the cladding thin layers of two adjacent layers form an included angle.
The angle range of the included angle is 50-85 degrees.
The cladding directions of the cladding thin layers of the adjacent three layers are different.
The size range of the powder spreading thickness of each layer of cladding is 0.05mm to 0.1mm, the range of the scanning speed is 850mm/s to 1250mm/s, the range of the laser power is 225W to 345W, and the size range of the scanning interval is 0.05mm to 0.15 mm.
In step S1, the first over-cut thickness ranges in size from 5mm to 10 mm.
In step S1, the metallic material of the base layer includes one of 45# steel, cast iron, P20 die steel, S136 die steel, and 738 die steel.
In step S3, the metal material of the cladding layer includes H13 die steel or Cr12MoV die steel.
In step S3, the hardness of the metal material of the base layer is less than the hardness of the metal material of the cladding layer.
An original body mould is prepared by the preparation method.
The original body mould comprises a base layer and a cladding layer, wherein the cladding layer is cladded on the base layer, and the surface of the cladding layer far away from the base layer forms part of the cavity surface of the original body mould.
The thickness range of the cladding layer is 5mm to 10 mm.
According to the method for manufacturing the original body die and the original body die, provided by the invention, the cladding layer is formed by cladding the metal material meeting the surface quality requirement on the substrate layer with lower cost, so that the cost of the original body die is reduced on the premise of ensuring the surface quality of the original body die, the cladding layer can be ensured to have a certain thickness by multilayer cladding, the cladding layer can meet the injection molding strength, and the cladding directions of adjacent cladding thin layers have included angles, so that the defect problems of concentration of temperature at a junction, uneven heat dissipation, appearance of coarse crystals, poor local strength or local pits and the like are avoided.
Drawings
Fig. 1 is a sectional view of a prototype mold according to an embodiment of the method for manufacturing the prototype mold and the prototype mold provided by the present invention;
fig. 2 is a schematic view of a manufacturing method of an original body mold and a cladding direction of a cladding layer of an embodiment of the original body mold provided by the present invention;
in the figure:
1. a substrate layer; 2. a cladding layer; 3. and cladding the thin layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail 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.
A method for manufacturing a prototype mold comprises the following steps:
step S1, setting a first over-cut thickness and a metal material of the blank, wherein the metal material of the blank is a low-cost metal material, so that the problem that a large amount of hard die steel is needed to be used for manufacturing the blank in the prior art is solved, the cost is effectively reduced, and the first over-cut thickness is set according to the material selected by the blank;
step S2, rough machining the blank according to the size of the product, and over-cutting the rough machined blank according to the first over-cutting thickness to form a base layer 1, namely, the size of the base layer 1 is smaller than the size of the product by the first over-cutting thickness;
step S3, another metal material is clad on the base layer 1 in step S2 to form a cladding layer 2, and the thickness of the cladding layer 2 is equal to the first overcut thickness, that is, overcut is performed in step S2, so as to leave enough powder laying and cladding space for the hard die steel, thereby ensuring that the cladding layer 2 has enough thickness to meet the surface quality of the original die.
The melting point temperature of the metal material of the substrate layer 1 is similar to that of the metal material of the cladding layer 2, so that the problems of slag inclusion and the like caused by the oxidation phenomenon of the metal material of the substrate layer 1 when the plated material melts due to the high melting point of the metal material (inorganic non-metal material or other refractory metals) of the cladding layer 2 can be solved, and the peeling phenomenon of the coating caused by the insufficient strength of the bonding surface of the cladding layer 2 and the substrate layer 1 can be avoided.
After step S3, the method further includes performing subsequent finishing and polishing treatment on the cladding layer 2 of the original mold to obtain the best surface quality.
Because the working environment of the original body die is rapid cooling and rapid heating or long-term normal temperature and high pressure work, the thermal expansion coefficients of metal materials (particularly steel materials) are similar, and the problem that the original body die is scrapped due to cracks caused by rapid cooling and rapid heating can be solved.
In step S3, the method further includes:
carry out the multilayer cladding on base member layer 1 in step S2, each layer cladding forms one deck and melts and covers thin layer 3, and all it constitutes together to melt and cover thin layer 3 melt and cover layer 2, guarantee that the cladding layer 2 that has first overcut thickness can be good fix an organic whole with base member layer 1 to adjacent two-layer melt and cover the cladding direction of thin layer 3 and have the contained angle, avoid resulting in the temperature to concentrate in the junction, the heat dissipation is inhomogeneous, appear thick crystal, local strength is relatively poor or defect problems such as local pit.
The angle range of contained angle is 50 to 85 for in adjacent two-layer cladding thin layer 3, be in the cladding process of the cladding thin layer 3 of upper strata, be in the cladding thin layer 3 of lower floor and have abundant time to dispel the heat, thereby avoid local high temperature the problem of thick crystal to appear.
As shown in fig. 2, the cladding directions of the cladding thin layers 3 of the adjacent three layers are different, that is, in the cladding thin layers 3 of the adjacent three layers, the cladding thin layer 3(n layer) at the lowermost layer is clad along the horizontal direction, the cladding direction of the cladding thin layer 3(n +1 layer) at the middle layer is clad along the clockwise rotation by taking the horizontal direction as the reference, and the cladding direction of the cladding thin layer 3(n +2 layer) at the uppermost layer is clad along the counterclockwise rotation by taking the horizontal direction as the reference.
The size range of the powder spreading thickness of each layer of cladding is 0.05mm to 0.1mm, the range of the scanning speed is 850mm/s to 1250mm/s, the range of the laser power is 225W to 345W, the size range of the scanning interval is 0.05mm to 0.15mm, and specific parameters are set according to the metal material of the substrate layer 1 and the metal material of the cladding layer 2.
In step S1, the first overcut thickness is in a range of 5mm to 10mm, that is, the position where the cladding can be performed is ensured to clad the thin cladding layer 3, so as to ensure the quality of the cladding layer 2.
In step S1, the metal material of the base layer 1 includes one of 45# steel, cast iron, P20 die steel, S136 die steel and 738 die steel.
In step S3, the metal material of the cladding layer 2 includes H13 die steel or Cr12MoV die steel.
In step S3, the hardness of the metal material of the base layer 1 is less than the hardness of the metal material of the cladding layer 2.
A prototype mold, as shown in fig. 1, is prepared by the above-mentioned manufacturing method.
The original body mould comprises a base layer 1 and a cladding layer 2, wherein the cladding layer 2 is cladded on the base layer 1, the surface of the cladding layer 2 far away from the base layer 1 forms part of the surface of a cavity of the original body mould, namely the surface quality of the cavity of the original body mould is met by the cladding layer 2, and the base layer 1 is used for forming most of the shape structure of the original body mould.
The thickness range of the cladding layer 2 is 5mm to 10mm, so that the cladding layer 2 can be formed by multilayer cladding, and the quality of the cladding layer 2 is ensured.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (12)

1. A method for manufacturing an original mold is characterized in that: the method comprises the following steps:
step S1, setting a first over-cutting thickness and a metal material of the blank;
step S2, roughly machining the blank, and over-cutting the roughly machined blank according to the first over-cutting thickness to form a base layer (1);
and step S3, cladding another metal material on the base body layer (1) in the step S2 to form a cladding layer (2), wherein the thickness of the cladding layer (2) is equal to the first overcut thickness.
2. The method of manufacturing according to claim 1, wherein: in step S3, the method further includes:
performing multilayer cladding on the substrate layer (1) in the step S2, forming a cladding thin layer (3) on each layer, wherein all the cladding thin layers (3) jointly form the cladding layer (2), and the cladding directions of the cladding thin layers (3) of two adjacent layers form an included angle.
3. The method of manufacturing according to claim 2, wherein: the angle range of the included angle is 50-85 degrees.
4. The method of manufacturing according to claim 2, wherein: the cladding directions of the cladding thin layers (3) of the adjacent three layers are different.
5. The method of manufacturing according to claim 2, wherein: the size range of the powder spreading thickness of each layer of cladding is 0.05mm to 0.1mm, the range of the scanning speed is 850mm/s to 1250mm/s, the range of the laser power is 225W to 345W, and the size range of the scanning interval is 0.05mm to 0.15 mm.
6. The method of manufacturing according to claim 1, wherein: in step S1, the first over-cut thickness ranges in size from 5mm to 10 mm.
7. The method of manufacturing according to claim 1, wherein: in step S1, the metal material of the base layer (1) includes one of 45# steel, cast iron, P20 die steel, S136 die steel, and 738 die steel.
8. The method of manufacturing according to claim 1, wherein: in step S3, the metal material of the cladding layer (2) includes H13 die steel or Cr12MoV die steel.
9. The method of manufacturing according to claim 1, wherein: in step S3, the hardness of the metal material of the base layer (1) is less than the hardness of the metal material of the cladding layer (2).
10. A former body mould which characterized in that: formed by the fabrication method of any one of claims 1 to 9.
11. The bodice mould according to claim 10, wherein: the original body mould comprises a base layer (1) and a cladding layer (2), wherein the cladding layer (2) is cladded on the base layer (1), and the cladding layer (2) is far away from the surface of the base layer (1) to form part of the cavity surface of the original body mould.
12. The bodice mould according to claim 11, wherein: the thickness range of the cladding layer (2) is 5mm to 10 mm.
CN202010590442.1A 2020-06-24 2020-06-24 Original body mold and manufacturing method thereof Pending CN111673393A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010590442.1A CN111673393A (en) 2020-06-24 2020-06-24 Original body mold and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010590442.1A CN111673393A (en) 2020-06-24 2020-06-24 Original body mold and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN111673393A true CN111673393A (en) 2020-09-18

Family

ID=72456627

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010590442.1A Pending CN111673393A (en) 2020-06-24 2020-06-24 Original body mold and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN111673393A (en)

Similar Documents

Publication Publication Date Title
KR101330977B1 (en) Process for producing three-dimensional shape and three-dimensional shape obtained thereby
CN105945281B (en) The deposition forming machining manufacture of part and mold
CN106001571B (en) Metal part selective laser alloying additive manufacturing method
US8062715B2 (en) Fabrication of alloy variant structures using direct metal deposition
CN104759625B (en) A kind of material and the method that use laser 3D printing technique to prepare aluminum alloy junction component
CN109746443A (en) A kind of method of parallel control part deformation and precision during increasing material manufacturing
CN101780544A (en) Method for forming refractory metal parts by using laser
CN101992651A (en) Gold inlaying method and gold-inlaid electronic device shell prepared thereby
KR20080038080A (en) Metal mold for optical device forming and process for producing the same
US20020165634A1 (en) Fabrication of laminate tooling using closed-loop direct metal deposition
Oliari et al. Additive manufacturing of H11 with wire-based laser metal deposition
CN107803501A (en) A kind of laser gain material manufacture method of tin-base babbit component
JP2010121187A (en) Three-dimensional shaped article and method for producing the same
CN113681233A (en) Rapid and efficient local repair method for crystallizer copper plate
CN212761999U (en) Original mould
CN109262207B (en) Forming method of GH99 alloy cover plate with reinforcing ribs
CN111673393A (en) Original body mold and manufacturing method thereof
CN108570674B (en) Laser cladding forming method for low-melting-point alloy
CN112893840A (en) Selective laser melting forming conformal cooling water channel mould grafting manufacturing method
KR101390560B1 (en) Mold for making optical devices and manufacturing method of mold for making optical devices
TW201221269A (en) Method and structure of binding plastic and metal material together
Bennett et al. Towards bi-metallic injection molds by directed energy deposition
CN108714773B (en) Additive manufacturing method for heterogeneous metal stamping die
CN106696173A (en) Injection mold male mold core and production method of injection mold male mold core
RU2796119C1 (en) Method for manufacturing parts of industrial equipment and tools

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination