CN114951700B - 3D printing support removing device and duct support removing method - Google Patents
3D printing support removing device and duct support removing method Download PDFInfo
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- CN114951700B CN114951700B CN202210734349.2A CN202210734349A CN114951700B CN 114951700 B CN114951700 B CN 114951700B CN 202210734349 A CN202210734349 A CN 202210734349A CN 114951700 B CN114951700 B CN 114951700B
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- 238000010146 3D printing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 92
- 239000011148 porous material Substances 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000007639 printing Methods 0.000 claims abstract description 31
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000010618 wire wrap Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/68—Cleaning or washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/80—Plants, production lines or modules
- B22F12/88—Handling of additively manufactured products, e.g. by robots
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
-
- 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 belongs to the technical field of 3D printing, and discloses a 3D printing support removing device and a pore canal support removing method, wherein the device comprises a fixing component, a stretching component and a cleaning component; the fixing component comprises a fixing plate, a penetrating hole is formed in the fixing plate, the fixing component is used for fixedly supporting the printing piece, supporting tissues are arranged in a pore canal of the printing piece, and the penetrating hole can correspond to the pore canal; the stretching assembly comprises a stretching rod rotatably connected with the fixing assembly; the cleaning assembly comprises at least one cleaning metal wire, one end of the cleaning metal wire can pass through the pore canal to wrap the supporting tissue, the other end of the cleaning metal wire can pass through the penetrating hole and be detachably connected to the stretching rod, and the stretching rod is used for pulling the cleaning metal wire to clean the supporting tissue. The 3D printing support removing device is not limited by the shapes of the printing piece and the pore canal, and has the advantages of simple structure and good cleaning effect; the pore canal support removing method is used for removing the support tissue of the curved flow channel of the printing piece by the device, and has the advantages of simple operation method and high removing efficiency.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a 3D printing support removing device and a duct support removing method.
Background
At present, a metal 3D printing technology belongs to the world front technology, and the technical problems to be broken through are more; the existing metal 3D printing technology is mainly used for printing parts with complex structures, in particular to complex parts which are difficult to produce by the traditional process mode, wherein the cast and forged parts are used in most cases; because the casting forging blank needs to be manufactured into a mould in the production process, the production period is long, the cost is high, and parts can be directly printed by adopting a metal 3D printing technology, the mould does not need to be manufactured, the production period is short, and the cost is low, so that the printing of complex casting parts is a main development direction of metal 3D printing. The difficulty of the current metal 3D printing technology of complex parts is a post-treatment process, because most of complex cast parts are provided with an inner runner structure, the metal 3D printing technology needs to add a supporting structure when the inner runner structure is printed, prevents the inner runner structure from collapsing, and removes the supporting structure in the inner runner after the finished product is printed. Because the inner runner structure is mostly a curved runner, in the process of removing the supporting structure, the traditional milling or bench drilling and metal filing cannot complete the removal of the inner runner supporting structure, and how to remove the support in the curved runner inside the part becomes an industrial technical problem.
Therefore, a 3D printing support removing device and a tunnel support removing method are needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a 3D printing support removing device and a duct support removing method, which can remove support tissues of an inner flow passage of a printing part without damaging a printing part body and the inner flow passage.
To achieve the purpose, the invention adopts the following technical scheme:
in one aspect, there is provided a D print support removal apparatus comprising:
the fixing assembly comprises a fixing plate, a penetrating hole is formed in the fixing plate, the fixing assembly is configured to fixedly support a printing piece, supporting tissues are arranged in a pore canal of the printing piece, and the penetrating hole can correspond to the pore canal;
a stretching assembly including a stretching rod rotatably connected to the fixed assembly; and
the cleaning assembly comprises at least one cleaning metal wire, one end of the cleaning metal wire can penetrate through the pore canal to wrap the supporting tissue, the other end of the cleaning metal wire can penetrate through the penetrating hole and is detachably connected to the stretching rod, and the stretching rod is configured to pull the cleaning metal wire to clean the supporting tissue.
As a preferable structure of the present invention, the cleaning assembly includes two cleaning wires, one ends of the two cleaning wires respectively pass through the hole channels from two sides of the supporting tissue and are connected with each other to wrap the supporting tissue, and the other ends of the two cleaning wires are detachably connected to the stretching rod.
As a preferred structure of the present invention, the cleaning assembly further includes a threading wire configured to guide one end of the cleaning wire through the threading aperture.
As a preferred structure of the present invention, the stretching assembly further comprises:
the two vertical plates are detachably connected to two sides of the fixed plate respectively;
and the two ends of the rotating shaft are respectively and fixedly connected with the two vertical plates, the axial direction of the rotating shaft is perpendicular to the axial direction of the threading hole, and the stretching rod is rotationally connected with the rotating shaft.
As a preferable structure of the present invention, the fixing assembly further comprises a support plate, the fixing plate is detachably connected to one end of the support plate, and the two vertical plates are detachably connected to the other end of the support plate, which is far away from the fixing plate.
As a preferable structure of the present invention, the cleaning wire is a molybdenum wire.
As a preferable structure of the present invention, the threading wire is a spring wire.
On the other hand, a 3D printing support removing device is provided, and the 3D printing support removing device comprises the following steps:
step S1: placing the printing piece on the fixing assembly, and enabling the pore canal of the printing piece to correspond to the threading hole on the fixing plate;
s2, connecting one end of a cleaning metal wire with a stretching rod, and enabling the other end of the cleaning metal wire to sequentially penetrate through the threading hole and the pore canal so as to wrap a supporting tissue;
and S3, rotating the stretching rod to pull the cleaning metal wire, and cleaning the supporting tissue by the cleaning metal wire and pulling out the pore canal.
As a preferred embodiment of the present invention, the step S2 specifically includes the steps of:
s21, enabling one ends of the two cleaning wires to be connected to the stretching rod, and enabling the other ends of the two cleaning wires to penetrate through the penetrating holes;
step S22, two penetrating wires are used for respectively connecting one ends of the two cleaning wires far away from the stretching rod, and the two penetrating wires respectively pull the two cleaning wires to pass through the pore canal from two sides of the supporting tissue;
and S23, removing the two threading wires, and connecting the free ends of the two cleaning wires to each other to wrap the supporting tissue.
As a preferred embodiment of the present invention, in the step S3, the steps of: if the support tissue is not pulled out of the pore canal by one-time rotation of the stretching rod, winding the cleaning metal wire at the joint of the stretching rod, rotating the stretching rod again, and repeating the steps until the cleaning metal wire cleans the support tissue and pulls out of the pore canal.
The invention has the beneficial effects that:
the 3D printing support removing device provided by the invention can be applied to various metal 3D printing parts with internal bent runner structures, is not limited by the shapes of the printing parts and the pore channels, has a simple structure, is convenient to operate and good in cleaning effect, and can not damage and pull the bodies and the pore channels of the printing parts; when the extension rod rotates, the cleaning metal wire wrapping the supporting tissue is reversely pulled, the cleaning metal wire has certain strength and toughness, in the pulled process, the cleaning metal wire applies a pulling force to the supporting tissue, the supporting tissue is pulled down from the inner wall of the pore canal to clean, and finally the supporting tissue is cleaned and pulled out from the pore canal;
according to the pore canal support removing method provided by the invention, the 3D printing support removing device is used for removing the support tissues of the pore canal of the printing piece, the body and the pore canal of the printing piece cannot be damaged, the operation method is flexible and simple, and the removing efficiency is high.
Drawings
FIG. 1 is a cross-sectional view of a print element according to an embodiment of the present invention;
fig. 2 is a front view of a structure of a 3D printing support removing device according to an embodiment of the present invention;
FIG. 3 is a top view of a 3D printing support removal apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a tunnel support removal method according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a tunnel support removal method according to a second embodiment of the present invention;
fig. 6 is a schematic diagram of a tunnel support removal method according to a second embodiment of the present invention.
In the figure:
1. a fixing assembly; 11. a fixing plate; 111. threading the hole; 12. a support plate; 2. a stretching assembly; 21. a stretching rod; 22. a vertical plate; 23. a rotating shaft; 3. a purge assembly; 31. cleaning the metal wire; 32. threading the metal wire;
100. printing a piece; 101. a duct; 102. supporting the tissue.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Example 1
As shown in fig. 1-3, an embodiment of the present invention provides a 3D printing support removal device for removing support tissue 102 within a tunnel 101 of a print 100. The printing member 100 of the present embodiment will be described by taking a complex part having a curved inner flow passage, i.e., an engine single cylinder head as an example. During the printing process, the single cylinder cover (i.e. the printing piece 100) of the engine needs to add a supporting structure (i.e. a supporting tissue 102) in the curved inner runner (i.e. the pore canal 101), otherwise the curved inner runner will collapse; according to the process characteristics of 3D printing, the support tissue 102 extends inside the duct 101 with a certain gap from the inner wall of the duct 101, as shown in fig. 1. The 3D printing support removal apparatus of the present embodiment includes a fixing assembly 1, a stretching assembly 2, and a cleaning assembly 3. The fixing assembly 1 comprises a fixing plate 11, wherein a threading hole 111 is formed in the fixing plate 11, the fixing assembly 1 is configured to fixedly support the printing piece 100, a supporting tissue 102 is arranged in a pore channel 101 of the printing piece 100, and the threading hole 111 can correspond to the pore channel 101; preferably, the printing member 100 is attached to the side of the fixing plate 11 facing away from the stretching assembly 2 so that the through holes 111 correspond to the channels 101. The stretching assembly 2 comprises a stretching rod 21 rotatably connected to the fixing assembly 1; the cleaning assembly 3 comprises at least one cleaning wire 31, one end of the cleaning wire 31 being able to pass through the duct 101 to surround the supporting tissue 102, the other end of the cleaning wire 31 being able to pass through the threading aperture 111 and being detachably connected to the stretching rod 21, the stretching rod 21 being configured to pull the cleaning wire 31 to clean the supporting tissue 102. The stretching rod 21 rotates to reversely pull the cleaning wire 31 surrounding the supporting tissue 102, the cleaning wire 31 has certain strength and toughness, and in the pulling process, the cleaning wire 31 applies a pulling force to the supporting tissue 102, so that the supporting tissue 102 is pulled down from the inner wall of the pore canal 101 to clean, and finally the supporting tissue 102 is cleaned and pulled out from the pore canal 101.
The 3D printing support removing device provided by the embodiment of the invention can be applied to various metal 3D printing pieces with internal bent runner structures, and is not limited by the shapes of the printing piece 100 and the pore canal 101; simple structure, convenient operation, the clearance is effectual, can not produce the damage to the body and the pore 101 of printing member 100.
Preferably, the cleaning assembly 3 includes two cleaning wires 31, one ends of the two cleaning wires 31 respectively pass through the hole 101 from two sides of the supporting tissue 102 and are connected to each other to wrap the supporting tissue 102, and the other ends of the two cleaning wires 31 are detachably connected to the stretching rod 21. The passage through the tunnel 101 is facilitated by the two cleaning wires 31, enabling the free ends of the cleaning wires 31 to pass through the tunnel 101 and to be connected to each other so as to encircle the passing through the supporting tissue 102.
Preferably, the cleaning assembly 3 further comprises a threading wire 32 (see fig. 4), the threading wire 32 being configured to guide one end of the cleaning wire 31 through the threading aperture 111. Preferably, the threading wire 32 is a spring wire, and the threading wire 32 may be one spring wire or a steel strand formed by twisting a plurality of spring wires. The spring steel wire has the advantages of high strength, good wear resistance and the like, and is easy to pass through a narrow gap between the supporting tissue 102 and the pore canal 101.
Preferably, the stretching assembly 2 further comprises two uprights 22 and a rotation shaft 23. The two vertical plates 22 are detachably connected to two sides of the fixed plate 11 respectively; both ends of the rotation shaft 23 are fixedly connected to the two vertical plates 22, respectively, the axial direction of the rotation shaft 23 is perpendicular to the axial direction of the threading hole 111, and the stretching rod 21 is rotatably connected to the rotation shaft 23. The stretching rod 21 pulls the cleaning wire 31 away from the fixing plate 11 by the lever principle, so that the operation is labor-saving. In other embodiments, it is within the scope of the present invention to implement the rotation or linear movement of the stretching rod 21 to pull the cleaning wire 31 by means of a driving member such as a hydraulic cylinder, a motor, or the like and a transmission structure.
Preferably, the fixing assembly 1 further comprises a support plate 12, the fixing plate 11 is detachably connected to one end of the support plate 12, and two vertical plates 22 are detachably connected to the other end of the support plate 12 away from the fixing plate 11. Furthermore, the fixing plate 11 and the supporting plate 12, the vertical plate 22 and the supporting plate 12 can be respectively connected by fastening screws, so that the connection is reliable and the disassembly and assembly are convenient.
Preferably, the cleaning wire 31 is a molybdenum wire, and further, the cleaning wire 31 may be a single molybdenum wire or a molybdenum wire stranded wire formed by stranding a plurality of molybdenum wires. The molybdenum wire has ultrahigh tensile strength, small elongation and good stability, and has high cutting precision when being used as a cutting wire, and the pulling and cleaning of the supporting tissue 102 are more efficient and thorough.
Example two
The second embodiment of the present invention provides a method for removing a pore canal support, which uses the 3D printing support removing device in the first embodiment, as shown in fig. 4 to 6, and includes the following steps:
step S1: placing the printing piece 100 on the fixing assembly 1, and enabling the pore canal 101 of the printing piece 100 to correspond to the threading hole 111 on the fixing plate 11;
step S2, one end of the cleaning wire 31 is connected to the stretching rod 21, and the other end sequentially passes through the threading hole 111 and the duct 101 to wrap the supporting tissue 102;
step S3, the stretching rod 21 is rotated to pull the cleaning wire 31, and the cleaning wire 31 cleans the supporting tissue 102 and pulls out the duct 101.
According to the duct support removing method of the second embodiment of the invention, the cleaning wire 31 surrounding the support tissue 102 is pulled by the stretching rod 21, the cleaning wire 31 applies a pulling force to the support tissue 102, the support tissue 102 is pulled down from the inner wall of the duct 101 to clean, and finally the support tissue 102 is cleaned and pulled out from the duct 101, so that the operation method is flexible and simple, and the removing efficiency is high.
Preferably, the step S2 specifically includes the following steps:
step S21, one ends of two cleaning wires 31 are connected to the stretching rod 21, and the other ends of the two cleaning wires penetrate through the threading holes 111;
step S22, two threading wires 32 are used to connect the ends of the two cleaning wires 31 away from the stretching rod 21, as shown in FIG. 4; the two threading wires 32 respectively pull the two cleaning wires 31 from both sides of the supporting tissue 102 through the duct 101 as shown in fig. 5;
in this step S22, the threading wires 32 and the cleaning wires 31 are connected together by overlapping end to end, and the two threading wires 32 respectively pass through the duct 101 from the gaps on both sides of the supporting tissue 102, so that the cleaning wires 31 are simultaneously driven to pass through the duct 101 along the gaps between the supporting tissue 102 and the duct 101.
Step S23, removing the two threading wires 32, and connecting the free ends of the two cleaning wires 31 to each other to wrap the supporting tissue 102, as shown in fig. 6.
Preferably, in step S3, the method further includes the following steps: if one rotation of the stretching rod 21 does not pull the support tissue 102 out of the tunnel 101, the cleaning wire 31 is wound around the connection of the stretching rod 21 and the stretching rod 21 is rotated again, and the above steps are repeated until the cleaning wire 31 cleans the support tissue 102 and pulls out of the tunnel 101. Preferably, a rotatable tightening screw (not shown) may be provided at the connection of the stretching rod 21, on which tightening screw the cleaning wire 31 is wound, by screwing the tightening screw, the length of the cleaning wire 31 may be continuously adjusted, so that the stretching rod 21 is rotated a plurality of times to ensure that all the supporting tissue 102 is pulled out of the tunnel 101.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (7)
1. A 3D printing support removal apparatus, comprising:
the fixing assembly (1), the fixing assembly (1) comprises a fixing plate (11), a threading hole (111) is formed in the fixing plate (11), the fixing assembly (1) is configured to fixedly support a printing piece (100), a supporting tissue (102) is arranged in a pore channel (101) of the printing piece (100), and the threading hole (111) can correspond to the pore channel (101);
-a stretching assembly (2), said stretching assembly (2) comprising a stretching rod (21) rotatably connected to said fixed assembly (1); and
-a clearing assembly (3), the clearing assembly (3) comprising at least one clearing wire (31), one end of the clearing wire (31) being able to pass through the aperture (101) to wrap around the supporting tissue (102), the other end of the clearing wire (31) being able to pass through the threading aperture (111) and being detachably connected to the stretching rod (21), the stretching rod (21) being configured to pull the clearing wire (31) to clear the supporting tissue (102);
a rotatable tightening screw is arranged at the joint of the stretching rod (21), and the cleaning metal wire (31) is wound on the tightening screw;
the cleaning assembly (3) comprises two cleaning wires (31), one ends of the two cleaning wires (31) respectively penetrate through the pore canal (101) from two sides of the supporting tissue (102) and are connected with each other to wrap the supporting tissue (102), and the other ends of the two cleaning wires (31) are detachably connected to the stretching rod (21);
the cleaning assembly (3) further comprises a threading wire (32), the threading wire (32) being configured to guide an end of the cleaning wire (31) through the threading aperture (111).
2. 3D printing support removal unit according to claim 1, characterized in that the stretching assembly (2) further comprises:
the two vertical plates (22) are respectively detachably connected to two sides of the fixed plate (11);
the two ends of the rotating shaft (23) are fixedly connected with the two vertical plates (22) respectively, the axial direction of the rotating shaft (23) is perpendicular to the axial direction of the threading hole (111), and the stretching rod (21) is rotatably connected with the rotating shaft (23).
3. 3D printing support removal unit according to claim 2, characterized in that the fixing assembly (1) further comprises a support plate (12), the fixing plate (11) being detachably connected to one end of the support plate (12), two of the risers (22) being detachably connected to the other end of the support plate (12) remote from the fixing plate (11).
4. A 3D printing support removal unit according to any one of claims 1-3, wherein the cleaning wire (31) is a molybdenum wire.
5. 3D printing support removal unit according to claim 1, characterized in that the threading wire (32) is a spring wire.
6. A tunnel support removal method, characterized by using the 3D printing support removal device according to any one of claims 1 to 5, comprising the steps of:
step S1: placing a printing piece (100) on the fixing assembly (1), and enabling a pore canal (101) of the printing piece (100) to correspond to a threading hole (111) on the fixing plate (11);
step S2, connecting one end of a cleaning metal wire (31) to the stretching rod (21), and enabling the other end to sequentially pass through the threading hole (111) and the pore canal (101) so as to wrap the supporting tissue (102);
step S3, rotating the stretching rod (21) to pull the cleaning wire (31), wherein the cleaning wire (31) cleans the supporting tissue (102) and pulls out the pore canal (101);
the step S2 specifically includes the following steps:
step S21, one ends of the two cleaning wires (31) are connected to the stretching rod (21), and the other ends of the two cleaning wires penetrate through the penetrating holes (111);
step S22, two penetrating wires (32) are used for respectively connecting one ends of the two cleaning wires (31) far away from the stretching rod (21), and the two penetrating wires (32) respectively pull the two cleaning wires (31) to pass through the pore canal (101) from two sides of the supporting tissue (102);
step S23, removing two threading wires (32), and connecting the free ends of the two cleaning wires (31) to each other to wrap the supporting tissue (102).
7. The tunnel support removal method according to claim 6, further comprising, in the step S3, the steps of: if the stretching rod (21) rotates once to enable the supporting tissue (102) not to be pulled out of the pore canal (101), the cleaning metal wire (31) is wound at the connecting position of the stretching rod (21), the stretching rod (21) is rotated again, and the steps are repeated until the cleaning metal wire (31) cleans the supporting tissue (102) and pulls out of the pore canal (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210734349.2A CN114951700B (en) | 2022-06-27 | 2022-06-27 | 3D printing support removing device and duct support removing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210734349.2A CN114951700B (en) | 2022-06-27 | 2022-06-27 | 3D printing support removing device and duct support removing method |
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| CN114951700A CN114951700A (en) | 2022-08-30 |
| CN114951700B true CN114951700B (en) | 2024-03-26 |
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