CN117564629A - Alignment method for machining datum plane of titanium alloy thin-wall 3D printing blank - Google Patents

Alignment method for machining datum plane of titanium alloy thin-wall 3D printing blank Download PDF

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Publication number
CN117564629A
CN117564629A CN202311871130.8A CN202311871130A CN117564629A CN 117564629 A CN117564629 A CN 117564629A CN 202311871130 A CN202311871130 A CN 202311871130A CN 117564629 A CN117564629 A CN 117564629A
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CN
China
Prior art keywords
printing blank
square table
top surface
wall
titanium alloy
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
CN202311871130.8A
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Chinese (zh)
Inventor
李羿含
王亮
张世涛
马一帆
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Nevenmore Luoyang Technology Co ltd
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Nevenmore Luoyang Technology 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 Nevenmore Luoyang Technology Co ltd filed Critical Nevenmore Luoyang Technology Co ltd
Priority to CN202311871130.8A priority Critical patent/CN117564629A/en
Publication of CN117564629A publication Critical patent/CN117564629A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00—Auxiliary apparatus or details, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a method for aligning a machining reference surface of a titanium alloy thin-wall 3D printing blank, which can solve the problems that the existing clamp cannot well clamp the special-shaped workpiece and the machining of the special-shaped workpiece by using a conventional machining procedure is complicated, and provides a simpler, more stable and more accurate method for machining the 3D printing blank into the special-shaped shape required by us.

Description

Alignment method for machining datum plane of titanium alloy thin-wall 3D printing blank
Technical Field
The invention relates to the technical field of machining, in particular to a method for aligning a machining datum plane of a titanium alloy thin-wall 3D printing blank.
Background
A 3D printed blank generally refers to an unprocessed raw part or model that is manufactured by 3D printing techniques. These blanks typically require further processing and handling to achieve the final desired shape, size and surface quality. In the manufacturing industry, 3D printed blanks may be used as starting points for manufacturing complex parts or models, and then subsequently processed by machining or other processes to obtain the final finished product.
A3D printing blank made of titanium alloy material is required to be processed into a thin-wall special-shaped workpiece, the special-shaped workpiece consists of a thin-wall main board, a thin-wall side board and a plurality of square tables distributed at the front end of the main board and the right end of the side board, the special-shaped workpiece is in an axisymmetric shape, and the wall thickness of the thin-wall main board and the wall thickness of the thin-wall side board are smaller and are 3-4mm. In the process of processing the 3D printing blank into the special-shaped workpiece, a milling machine is mainly used for milling, however, because the thin wall area of the special-shaped workpiece is larger and the wall thickness is thinner, the clamping of the special-shaped workpiece cannot be well realized by the conventional common clamps such as a chuck, a vice and the like, the special-shaped workpiece is easy to shake in the processing process, and even the thin wall deformation or damage can be caused. And if the existing clamp is used for clamping the workpiece, and conventional processing steps are used, the processing procedure is complicated, and the processing and production efficiency are greatly affected.
Disclosure of Invention
The application provides a titanium alloy thin wall 3D prints blank processing reference plane alignment method, can solve current anchor clamps and can't realize well to the clamp of dysmorphism work piece, use conventional processing procedure to process the comparatively loaded down with trivial details problem of dysmorphism work piece.
In the application, a method for aligning a machining datum plane of a titanium alloy thin-wall 3D printing blank is provided, which comprises the following steps:
s1, machining a tool for clamping a 3D printing blank, wherein the tool comprises a mounting plate, a plurality of bases and a backing plate; the mounting plates are used for being mounted on the workbench of the milling machine, the bases are arranged on the mounting plates, the number of the bases is the same as that of square tables in the special-shaped workpiece to be processed, the positions of each base correspond to the positions of one square table, the top surface of each base is provided with a first threaded hole in a downward sinking mode, and the base plate is used for being padded at the lower end of the 3D printing blank;
s2, drilling a plurality of first through holes downwards on the top surface of the 3D printing blank, wherein the position of each first through hole corresponds to one first threaded hole, and a plurality of screws are arranged and detachably connected to the first through holes respectively;
s3, taking the top surface of the 3D printing blank as a first reference surface, milling downwards to the top surface of the square table on the special-shaped workpiece for a plurality of times, detaching the screw at the square table when each square table is milled, and mounting the screw at the square table when the square table is processed;
s4, taking the top surface of the square table as a second reference surface, and milling downwards to the top surface of the main board on the special-shaped workpiece;
s5, two tools are arranged, and the positions of the bases on the two tools are arranged in a mirror image mode;
s6, turning over the 3D printing blank after the step S4, installing the 3D printing blank on another tool, repeating the steps S2-S4, and processing the reverse side of the 3D printing blank;
s7, cutting out the shapes of the square table and the main board by using a linear cutting process.
In one embodiment, the mounting plate in the step S1 is provided with a weight-reducing groove.
In one embodiment, the mounting plate in the step S1 is disposed on the workbench by screwing.
In one embodiment, the pad in the step S1 is made of plastic.
In one embodiment, the step S2 further includes: at least two the undercut is provided with the pinhole on the base top surface down drill a plurality of second through-holes on the 3D prints blank top surface, every the position of second through-hole respectively corresponds one the pinhole to be provided with a plurality of locating pins and to dismantle respectively and connect in a plurality of second through-holes department.
In one embodiment, the method further comprises step S8, and the step S8 includes: and milling the junction of the square table and the side plate from the front surface and the back surface respectively, so as to reduce the contact area of the square table and the side plate.
To sum up, in the application, the alignment method for the machining datum plane of the titanium alloy thin-wall 3D printing blank has the following beneficial effects compared with the prior art:
(1) When the 3D printing blank is processed, the square table in the special-shaped workpiece to be processed is fixed on the base through the screw, so that the 3D printing blank is fixed, shaking is not easy to occur in the processing process, the stability is good, and the thinner main board and the side board are not easy to damage; the base plate is arranged at the lower end of the 3D printing blank in a padding mode during processing, and stability in the processing process can be further improved;
(2) When in processing, two sets of tools are used for respectively carrying out mirror image processing on the 3D printing blank from the front and back sides, firstly, the top surface with the largest area on the 3D printing blank is taken as a first reference surface to be milled downwards to the top surface of the square table, and then the top surface of the square table is taken as a second reference surface to be milled downwards to the main board, and because the second reference surface is closer to the main board than the first reference surface, the position accuracy of the main board processing is higher due to the selection of the second reference surface; and the processing steps are simpler, so that the production and processing efficiency can be improved.
Drawings
In order to better and clearly describe the technical solutions in the embodiments or the background of the present application, the following description will describe the drawings used in the embodiments or the background of the present application.
FIG. 1 is a perspective view of the tooling and the special-shaped workpiece;
fig. 2 is a perspective view of the tool and the special-shaped workpiece.
In the figure, 1, a mounting plate; 2. a base; 3. a backing plate; 4. a weight reduction groove; 6. a square table; 7. a main board; 8. a side plate; 9. a screw; 10. a positioning pin; 11. a first reference surface; 12. and a second reference surface.
Detailed Description
The following describes the embodiments of the present invention further with reference to the attached drawings; the following examples are illustrative of the invention and are not intended to limit the scope of the invention. And the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Referring to fig. 1 and 2, the shaped workpiece to be processed includes: the novel square table comprises a main plate 7, side plates 8 and five square tables 6, wherein the main plate 7 is triangular plate-shaped, the side plates 8 are perpendicular to the main plate 7 and are arranged at the right end of the main plate 7, two square tables 6 are connected to the front end of the main plate 7, and three square tables 6 are connected to the right end of the side plates 8.
Referring to fig. 1 and 2, in one embodiment, a method for aligning a machining reference surface of a titanium alloy thin-wall 3D printing blank includes:
s1, a tool for clamping a 3D printing blank is machined, and the tool comprises a mounting plate 1, five bases 2 and a base plate 3. The mounting plate 1 is intended to be mounted on the table of a milling machine and to provide a setting position for the components. Five bases 2 are fixedly arranged on the mounting plate 1, the number of the bases 2 is the same as that of square tables 6 in the special-shaped workpieces to be processed, the positions of each base 2 correspond to the positions of one square table 6, and a first threaded hole is formed in the top surface of each base 2 in a downward sinking mode. The backing plate 3 is placed on the main board 7 and used for being padded at the lower end of the 3D printing blank, so that stability in processing is improved.
S2, a plurality of first through holes are drilled downwards on the top surface of the 3D printing blank, so that one first through hole is distributed at each square table 6, one first threaded hole is formed in each first through hole, a plurality of screws 9 are detachably connected to the plurality of first through holes, and each screw 9 can penetrate through one first through hole and be screwed into the first threaded hole.
S3, taking the top surface of the 3D printing blank piece as a first reference surface 11, milling the right area of the side plate 8 to the top surface of the square table 6 on the special-shaped workpiece for multiple times, removing the screw 9 at the square table 6 when one square table 6 is milled, and mounting the screw 9 at the square table 6 when the square table 6 is processed, so that the influence on milling is avoided.
S4, taking the top surface of the square table 6 as a second reference surface 12, and milling the main plate 7 area downwards to the top surface of the main plate 7 on the special-shaped workpiece.
S5, two tools are arranged, and the positions of the bases 2 on the two tools are arranged in a mirror image mode (the position of the base 2 on one tool is mirror image of the position of the base 2 on the other tool).
S6, turning over the 3D printing blank after the step S4, installing the 3D printing blank on another tool, repeating the steps S2-S4, and processing the reverse side of the 3D printing blank.
S7, cutting out redundant parts by using a linear cutting process, and cutting out the shapes of the square table 6 and the main board 7.
Referring to fig. 1 and 2, in one embodiment, the mounting plate 1 in the step S1 is provided with a weight-reducing groove 4, so as to reduce the overall weight of the tool, and facilitate the taking and mounting by a worker.
Referring to fig. 1 and 2, in one embodiment, the mounting plate 1 in the step S1 is disposed on the workbench in a threaded connection manner, a plurality of second through holes are formed in the mounting plate 1, and screws 9 can be screwed into or out of the second through holes to detach the tool from the workbench.
Referring to fig. 1 and 2, in one embodiment, the pad 3 in the step S1 is made of plastic, which is inexpensive and can also perform a better supporting function.
Referring to fig. 1 and fig. 2, in one embodiment, the step S2 further includes: the front end and the right end are respectively provided with a pin hole in a downward concave manner on the top surface of the base 2, two second through holes are drilled downwards on the top surface of the 3D printing blank, the positions of each second through hole respectively correspond to one pin hole, and a plurality of positioning pins 10 are respectively detachably connected to a plurality of second through holes. So arranged, two positioning pins 10 can be inserted into the pin holes through the second through holes before screwing the screws 9, thereby facilitating the screwing of the screws 9. Further, when machining the square table 6 where the positioning pin 10 is located, the positioning pin 10 at that location needs to be taken out first.
Referring to fig. 1 and fig. 2, in one embodiment, the method further includes step S8, where the step S8 includes: and the connection parts of the square table 6 and the side plates 8 are milled from the front side and the back side respectively, so that the contact area of the square table 6 and the side plates 8 is reduced.
Working principle: when the 3D printing blank is processed, the square table 6 of the special-shaped workpiece to be processed is fixed on the base 2 through the screw 9, so that the 3D printing blank is fixed, shaking is not easy to occur in the processing process, the stability is good, and damage is not easy to be caused to the thinner main board 7 and the side board 8; during processing, the backing plate 3 is padded at the lower end of the 3D printing blank, so that the stability in the processing process can be further improved. During processing, two sets of tools are used for respectively carrying out mirror image processing on the 3D printing blank from the front and back sides, firstly, the top surface with the largest area on the 3D printing blank is taken as a first reference surface 11 to be milled downwards to the top surface of the square table 6, and then the top surface of the square table 6 is taken as a second reference surface 12 to be milled downwards to the main board 7, and because the second reference surface 12 is closer to the main board 7 than the first reference surface 11, the position accuracy of the processing of the main board 7 is higher due to the selection of the second reference surface 12; and the processing steps are simpler, so that the production and processing efficiency can be improved.

Claims (6)

1. The utility model provides a titanium alloy thin wall 3D prints workblank processing reference surface alignment method which characterized in that includes:
s1, machining a tool for clamping a 3D printing blank, wherein the tool comprises a mounting plate (1), a plurality of bases (2) and a base plate (3); the mounting plates (1) are used for being mounted on a workbench of a milling machine, a plurality of bases (2) are arranged on the mounting plates (1), the number of the bases (2) is the same as that of square tables (6) in special-shaped workpieces to be processed, the positions of each base (2) correspond to the positions of one square table (6), a first threaded hole is formed in the top surface of each base (2) in a downward sinking mode, and the base plate (3) is used for being padded at the lower end of the 3D printing blank;
s2, drilling a plurality of first through holes downwards on the top surface of the 3D printing blank, wherein the position of each first through hole corresponds to one first threaded hole, and a plurality of screws (9) are arranged and detachably connected to the first through holes respectively;
s3, taking the top surface of the 3D printing blank as a first reference surface (11), milling downwards to the top surface of the square table (6) on the special-shaped workpiece for a plurality of times, detaching the screw (9) at the square table (6) when each square table (6) is milled, and mounting the screw (9) at the square table (6) when the square table (6) is processed;
s4, taking the top surface of the square table (6) as a second reference surface (12), and milling downwards to the top surface of the main board (7) on the special-shaped workpiece;
s5, two tools are arranged, and the positions of the bases (2) on the two tools are arranged in a mirror image mode;
s6, turning over the 3D printing blank after the step S4, installing the 3D printing blank on another tool, repeating the steps S2-S4, and processing the reverse side of the 3D printing blank;
s7, cutting out the shapes of the square table (6) and the main board (7) by using a linear cutting process.
2. The alignment method of the titanium alloy thin-wall 3D printing blank machining reference surface according to claim 1 is characterized in that a weight reduction groove (4) is formed in the mounting plate (1) in the step S1.
3. The method for aligning the working datum plane of the titanium alloy thin-wall 3D printing blank according to claim 1, wherein the mounting plate (1) in the step S1 is arranged on the workbench in a threaded connection mode.
4. The method for aligning the working datum plane of the titanium alloy thin-wall 3D printing blank according to claim 1, wherein the backing plate (3) in the step S1 is made of plastic materials.
5. The method for aligning a working datum plane of a titanium alloy thin-wall 3D printing blank according to claim 1, wherein the step S2 further comprises: at least two the base (2) are provided with pin holes in the downward sinking mode, a plurality of second through holes are drilled on the top surface of the 3D printing blank downwards, the positions of the second through holes respectively correspond to one pin hole, and a plurality of positioning pins (10) are arranged and are detachably connected to the second through holes respectively.
6. The method for aligning a working datum plane of a titanium alloy thin-wall 3D printing blank according to claim 1, further comprising the step of S8, wherein the step of S8 comprises: and milling the connection parts of the square table (6) and the side plates (8) from the front side and the back side respectively, so as to reduce the contact area of the square table (6) and the side plates (8).
CN202311871130.8A 2023-12-29 2023-12-29 Alignment method for machining datum plane of titanium alloy thin-wall 3D printing blank Pending CN117564629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311871130.8A CN117564629A (en) 2023-12-29 2023-12-29 Alignment method for machining datum plane of titanium alloy thin-wall 3D printing blank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311871130.8A CN117564629A (en) 2023-12-29 2023-12-29 Alignment method for machining datum plane of titanium alloy thin-wall 3D printing blank

Publications (1)

Publication Number Publication Date
CN117564629A true CN117564629A (en) 2024-02-20

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Country Status (1)

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