CN116175960A - Method for manufacturing drill bit mould by photo-curing method - Google Patents

Method for manufacturing drill bit mould by photo-curing method Download PDF

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Publication number
CN116175960A
CN116175960A CN202111420886.1A CN202111420886A CN116175960A CN 116175960 A CN116175960 A CN 116175960A CN 202111420886 A CN202111420886 A CN 202111420886A CN 116175960 A CN116175960 A CN 116175960A
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CN
China
Prior art keywords
glue
drill bit
resin mold
mould
mold
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
CN202111420886.1A
Other languages
Chinese (zh)
Inventor
毛竹
张松峰
魏向辉
于连杰
张斌
郭一川
周学超
谢金
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.)
BOHAI PETROLEUM EQUIPMENT (TIANJIN) ZHONGCHENG MACHINERY MANUFACTURING CO LTD
China National Petroleum Corp
CNPC Bohai Equipment Manufacturing Co Ltd
Original Assignee
BOHAI PETROLEUM EQUIPMENT (TIANJIN) ZHONGCHENG MACHINERY MANUFACTURING CO LTD
China National Petroleum Corp
CNPC Bohai Equipment Manufacturing 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 BOHAI PETROLEUM EQUIPMENT (TIANJIN) ZHONGCHENG MACHINERY MANUFACTURING CO LTD, China National Petroleum Corp, CNPC Bohai Equipment Manufacturing Co Ltd filed Critical BOHAI PETROLEUM EQUIPMENT (TIANJIN) ZHONGCHENG MACHINERY MANUFACTURING CO LTD
Priority to CN202111420886.1A priority Critical patent/CN116175960A/en
Publication of CN116175960A publication Critical patent/CN116175960A/en
Pending legal-status Critical Current

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    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/386—Data acquisition or data processing for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Abstract

The invention relates to a method for manufacturing a drill bit mould by a photo-curing method, which comprises the following steps: constructing a three-dimensional model of a drill bit mould, wherein the three-dimensional model comprises a composite sheet groove, a water hole rod groove and hydraulic structural characteristics; importing the constructed three-dimensional model into 3D printing software for processing to obtain a 3D printing file; introducing the 3D printing file into photo-curing equipment, and printing a resin mold; cleaning the resin mold; curing the cleaned resin mold by using a light curing device; the method comprises the steps of (1) obtaining AB glue, pouring the glue into a resin mold by a root, and obtaining a glue film after the glue is completely solidified; preparing a sand mould by using the adhesive film to obtain the sand mould; pasting graphite substitute sheets and graphite ink eye bars on the obtained sand mould, and installing an upper mould to obtain a final drill bit mould; the invention avoids manual grinding and pasting of the hydraulic structure, thereby reducing labor intensity, improving processing precision and ensuring the consistency of the die.

Description

Method for manufacturing drill bit mould by photo-curing method
Technical Field
The invention belongs to the technical field of die preparation, and particularly relates to a method for manufacturing a drill die by a photo-curing method.
Background
The main manufacturing method of the existing drill bit die comprises the steps of carrying out positioning processing on the shape of the bottom die crown and the cutting tooth slot by using a numerical control processing technology, forming a hydraulic structure by manually trimming and pasting, combining the bottom die and the middle die together (a glue film can be manufactured on the basis and a sand die can be manufactured by a pouring mode), and then forming the complete drill bit die by combining the die and the middle die with an upper die.
However, the method has the defects that the hydraulic structure of the bottom die is manufactured by manual die repairing and pasting, the labor intensity is high, the processing precision is low, and the die consistency is poor.
Disclosure of Invention
The invention solves the technical problems by adopting the following technical scheme:
the method for manufacturing the drill bit mould by the photo-curing method comprises the following steps:
constructing a three-dimensional model of a drill bit mould, wherein the three-dimensional model comprises a composite sheet groove, a water hole rod groove and hydraulic structural characteristics;
importing the constructed three-dimensional model into 3D printing software for processing to obtain a 3D printing file;
introducing the 3D printing file into photo-curing equipment, and printing a resin mold;
after printing, obtaining a resin mold, and cleaning the resin mold;
curing the cleaned resin mold by using a light curing device;
the method comprises the steps of (1) obtaining AB glue, pouring the glue into a resin mold by a root, and obtaining a glue film after the glue is completely solidified;
preparing a sand mould by using the adhesive film to obtain the sand mould;
and sticking graphite substitute sheets and graphite ink eye bars on the obtained sand mould, and mounting an upper mould to obtain the final drill bit mould.
Further, the method for importing the constructed three-dimensional model into the 3D printing software for processing comprises the following steps:
repairing the three-dimensional model of the drill bit, placing the model in a mode that the bottom surface is horizontally arranged, generating a support, performing slicing treatment, and generating a 3D printing file.
Further, the method for cleaning the resin mold comprises the following steps:
soaking and cleaning the resin mold by using alcohol, and removing the support on the resin mold; and then soaking and cleaning the resin mold by using clear water to remove alcohol residues.
Further, the method for obtaining the AB glue comprises the following steps:
and mixing the AB glue according to the proportion according to the size of the die, stirring in one direction until the AB glue is fully mixed, standing, and discharging the gas in the glue.
Further, the method for preparing the sand mould by using the adhesive film comprises the following steps:
placing the adhesive film in a graphite die sleeve, and pouring precoated sand to ensure uniform filling of sand;
putting the die sleeve filled with the precoated sand into a heating furnace, heating and cooling;
and taking the rubber mold out of the mold sleeve, and completing the sand mold manufacturing.
The invention has the advantages and positive effects that:
the invention uses the photo-curing technology to manufacture the resin mold, and replaces the traditional bottom mold and middle mold manufacturing method; the manual grinding and pasting of the hydraulic structure are avoided, so that the labor intensity is reduced, the machining precision is improved, and the consistency of the die is ensured.
Drawings
The technical solution of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for the purpose of illustration only and thus are not limiting the scope of the present invention. Moreover, unless specifically indicated otherwise, the drawings are intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic view of a drill bit mold according to an embodiment of the present invention;
Detailed Description
First, it should be noted that the following detailed description of the specific structure, characteristics, advantages, and the like of the present invention will be given by way of example, however, all descriptions are merely illustrative, and should not be construed as limiting the present invention in any way. Furthermore, any single feature described or implicit in the embodiments referred to herein may still be combined or truncated in any way between such features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly referred to herein.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and the terms "comprising" and "having" and any variation thereof are intended to cover a non-exclusive inclusion, e.g., a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
Examples
As shown in fig. 1, the present embodiment provides a method for manufacturing a drill bit mold by a photo-curing method, including the steps of:
constructing a three-dimensional model of a drill bit die, wherein the model is a female die, and the three-dimensional model comprises a composite sheet groove 1, a water eye rod groove 2 and a hydraulic structure 3, and the size of the model needs to consider the shrinkage of a rubber die and a sand die material during subsequent die turning;
importing the constructed three-dimensional model into 3D printing software for processing to obtain a 3D printing file;
introducing a 3D printing file into photo-curing equipment, opening the file by using 3D printing software, setting printing parameters, and printing a resin mold, wherein the resin mold is a combination of a bottom mold and a middle mold manufactured by a traditional method, and is a mold for manufacturing a rubber mold;
after printing, obtaining a resin mold, and cleaning the resin mold;
curing the cleaned resin mold by using a light curing device;
AB glue is obtained, the glue is poured into a resin mold by a root, and the resin mold is kept stand at normal temperature, and a glue film is obtained after the glue is completely solidified;
preparing a sand mould by using the adhesive film, and obtaining the sand mould, wherein the sizes of a composite sheet groove and a water hole of the sand mould meet the tolerance requirement of a drill bit mould;
and sticking graphite substitute sheets and graphite ink eye bars on the obtained sand mould, and mounting an upper mould to obtain the final drill bit mould 4.
Specifically, the method for importing the constructed three-dimensional model into 3D printing software for processing comprises the following steps:
repairing the three-dimensional model of the drill bit, placing the model in a mode that the bottom surface is flat, generating a support, and performing slicing treatment to generate a 3D printing file, wherein the bottom surface is denoted by the reference numeral 5 as shown in fig. 1.
The method for cleaning the resin mold comprises the following steps:
soaking and cleaning the resin mold by using alcohol, and removing the support on the resin mold; and then soaking and cleaning the resin mold by using clear water to remove alcohol residues.
The method for obtaining the AB glue comprises the following steps:
mixing AB glue according to the proportion according to the size of the mould, stirring in one direction until the AB glue is fully mixed, standing for about half an hour, and discharging gas in the glue; it should be noted that the AB glue is a generic term for two-liquid mixed hardening glue, one liquid is the glue, the other liquid is the hardening agent, the two liquid can be hardened after mixing, and the glue is hard and cured without depending on temperature, so the AB glue is a normal temperature hardening glue, can be used for modeling at times, is generally used in industry, and is an existing product.
The method for preparing the sand mould by using the adhesive film comprises the following steps:
placing the adhesive film in a graphite die sleeve, and pouring precoated sand, wherein the die sleeve needs to be vibrated during the process to ensure uniform filling of the sand;
putting the die sleeve filled with the precoated sand into a heating furnace, heating and cooling; heating to 200 ℃, keeping the temperature for half an hour, and naturally cooling to room temperature.
And taking the rubber mold out of the mold sleeve, and completing the sand mold manufacturing.
The method of the invention avoids errors caused by manual die repair of the hydraulic structure, improves the precision of the drill bit die, reduces the labor intensity of workers, reduces the human participation degree in the die making process, avoids the interference of human factors and improves the consistency of the die.
The foregoing examples illustrate the invention in detail, but are merely preferred embodiments of the invention and are not to be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (5)

1. The method for manufacturing the drill bit die by the photo-curing method is characterized by comprising the following steps of:
constructing a three-dimensional model of a drill bit mould, wherein the three-dimensional model comprises a composite sheet groove, a water hole rod groove and hydraulic structural characteristics;
importing the constructed three-dimensional model into 3D printing software for processing to obtain a 3D printing file;
introducing the 3D printing file into photo-curing equipment, and printing a resin mold;
after printing, obtaining a resin mold, and cleaning the resin mold;
curing the cleaned resin mold by using a light curing device;
the method comprises the steps of (1) obtaining AB glue, pouring the glue into a resin mold by a root, and obtaining a glue film after the glue is completely solidified;
preparing a sand mould by using the adhesive film to obtain the sand mould;
and sticking graphite substitute sheets and graphite ink eye bars on the obtained sand mould, and mounting an upper mould to obtain the final drill bit mould.
2. The method of fabricating a drill bit mold by a photo curing process according to claim 1, wherein: the method for importing the constructed three-dimensional model into the 3D printing software for processing comprises the following steps:
repairing the three-dimensional model of the drill bit, placing the model in a mode that the bottom surface is horizontally arranged, generating a support, performing slicing treatment, and generating a 3D printing file.
3. The method of fabricating a drill bit mold by a photo curing process according to claim 1, wherein: the method for cleaning the resin mold comprises the following steps:
soaking and cleaning the resin mold by using alcohol, and removing the support on the resin mold; and then soaking and cleaning the resin mold by using clear water to remove alcohol residues.
4. The method of fabricating a drill bit mold by a photo curing process according to claim 1, wherein: the method for obtaining the AB glue comprises the following steps:
and mixing the AB glue according to the proportion according to the size of the die, stirring in one direction until the AB glue is fully mixed, standing, and discharging the gas in the glue.
5. The method of fabricating a drill bit mold by a photo curing process according to claim 1, wherein: the method for preparing the sand mould by using the adhesive film comprises the following steps:
placing the adhesive film in a graphite die sleeve, and pouring precoated sand to ensure uniform filling of sand;
putting the die sleeve filled with the precoated sand into a heating furnace, heating and cooling;
and taking the rubber mold out of the mold sleeve, and completing the sand mold manufacturing.
CN202111420886.1A 2021-11-26 2021-11-26 Method for manufacturing drill bit mould by photo-curing method Pending CN116175960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111420886.1A CN116175960A (en) 2021-11-26 2021-11-26 Method for manufacturing drill bit mould by photo-curing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111420886.1A CN116175960A (en) 2021-11-26 2021-11-26 Method for manufacturing drill bit mould by photo-curing method

Publications (1)

Publication Number Publication Date
CN116175960A true CN116175960A (en) 2023-05-30

Family

ID=86449391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111420886.1A Pending CN116175960A (en) 2021-11-26 2021-11-26 Method for manufacturing drill bit mould by photo-curing method

Country Status (1)

Country Link
CN (1) CN116175960A (en)

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