CN115431524B - Automatic leveling device for fused deposition additive manufacturing - Google Patents
Automatic leveling device for fused deposition additive manufacturing Download PDFInfo
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- CN115431524B CN115431524B CN202211035308.0A CN202211035308A CN115431524B CN 115431524 B CN115431524 B CN 115431524B CN 202211035308 A CN202211035308 A CN 202211035308A CN 115431524 B CN115431524 B CN 115431524B
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/241—Driving means for rotary motion
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- 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
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- 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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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention provides an automatic leveling device for fused deposition additive manufacturing, which comprises: a printing platform; the first adjusting structure is arranged below the printing platform and comprises a first adjusting seat and a first adjusting shaft, the first adjusting shaft is rotatably arranged on the first adjusting seat by taking the symmetry axis of the first adjusting shaft as a rotation axis, and the first adjusting shaft is connected with the printing platform so as to enable the printing platform to swing relative to the symmetry axis of the first adjusting shaft; the second adjusting structure is arranged below the first adjusting structure and comprises a second adjusting seat and a second adjusting shaft, the second adjusting shaft is rotatably arranged on the second adjusting seat by taking the symmetrical shaft of the second adjusting shaft as a rotating shaft, and the second adjusting shaft is connected with the first adjusting seat so that the first adjusting seat swings relative to the symmetrical shaft of the second adjusting shaft. By the technical scheme provided by the invention, the technical problem that the printing platform manufactured by fused deposition additive is inconvenient to level in the prior art can be solved.
Description
Technical Field
The invention relates to the field of fused deposition additive manufacturing, in particular to an automatic leveling device for fused deposition additive manufacturing.
Background
At present, fused deposition modeling is a method for heating and fusing various hot-melt filament materials (wax, ABS, nylon, etc.), and is one of 3D printing technologies. The temperature of the hot melt material is always slightly higher than the curing temperature, the temperature of the formed part is slightly lower than the curing temperature, the hot melt material is immediately sintered with the previous layer after being extruded out of the nozzle, the thickness of one layer is reduced by a workbench according to a preset increment after the deposition of one layer is finished, and then the melt-blown deposition is continued until the whole solid part is finished. Additive manufacturing using fused deposition modeling is a well-established manufacturing technique.
However, the existing fused deposition additive manufacturing machines mostly lack an automatic leveling device, and gaps between nozzles and printing plates are manually adjusted by operators, so that on one hand, operators are required to have certain professional quality, and meanwhile, different operators operate different results, so that the adjusted gaps and gap deviations of four angular positions are different, and the printing quality of a final product is affected.
Disclosure of Invention
The invention mainly aims to provide an automatic leveling device for fused deposition additive manufacturing, which is used for solving the technical problem that a printing platform for fused deposition additive manufacturing is inconvenient to level in the prior art.
To achieve the above object, the present invention provides an auto-leveling device for fused deposition additive manufacturing, comprising:
a printing platform;
the first adjusting structure is arranged below the printing platform and comprises a first adjusting seat and a first adjusting shaft, the first adjusting shaft extends along a first preset direction, the first adjusting shaft is rotatably arranged on the first adjusting seat by taking the symmetry axis of the first adjusting shaft as a rotation axis, and the first adjusting shaft is connected with the printing platform so as to enable the printing platform to swing relative to the symmetry axis of the first adjusting shaft;
the second adjusting structure is arranged below the first adjusting structure and comprises a second adjusting seat and a second adjusting shaft, the second adjusting shaft extends along a second preset direction, the second preset direction is arranged at a preset angle with the first preset direction, the second adjusting shaft is rotatably arranged on the second adjusting seat by taking the symmetrical shaft of the second adjusting shaft as a rotating shaft, and the second adjusting shaft is connected with the first adjusting seat so that the first adjusting seat swings relative to the symmetrical shaft of the second adjusting shaft.
Further, the first adjusting structure comprises a first driving part, the first driving part is arranged on the first adjusting seat, the first driving part is positioned on one side of the first adjusting shaft, at least part of the first driving part is arranged in a lifting manner, and the first driving part is used for driving the printing platform to move so as to enable the printing platform to swing relative to the symmetry axis of the first adjusting shaft; and/or the number of the groups of groups,
The second adjusting structure comprises a second driving part, the second driving part is arranged on the second adjusting seat, the second driving part is positioned on one side of the second adjusting shaft, at least part of the second driving part is arranged in a lifting mode, and the second driving part is used for driving the first adjusting seat to move so that the first adjusting seat swings relative to the symmetry axis of the second adjusting shaft.
Further, the first driving part comprises a first driving piece and a first driving block, the first driving piece is arranged in a lifting manner, the first driving block is rotatably arranged on the first driving piece, a first guide groove is formed in the bottom of the printing platform, the first guide groove extends along the direction which forms a first preset angle with the first adjusting shaft, and the first driving block is slidably arranged in the first guide groove;
the second driving part comprises a second driving piece and a second driving block, the second driving piece is arranged in a lifting manner, the second driving block is rotatably arranged on the second driving piece, a second guide groove is formed in the bottom of the first adjusting seat, the second guide groove extends along the direction of a second preset angle with the second adjusting shaft, and the second driving block is slidably arranged in the second guide groove.
Further, the auto leveling device further includes:
the first driving part and the second driving part are both connected with the control part;
The first detection piece is arranged on the printing platform and is used for detecting whether the printing platform is respectively positioned at two sides of the first adjusting shaft and leveled or not, and the first detection piece is in signal connection with the control piece so that the control piece controls the movement of the first driving part according to the signal detected by the first detection piece; and/or the number of the groups of groups,
the second detecting piece is arranged on the first adjusting seat and used for detecting whether the first adjusting seat is respectively positioned at two sides of the second adjusting shaft and leveled or not, and the second detecting piece is connected with the control piece through signals, so that the control piece controls the movement of the second driving part according to the signals detected by the second detecting piece.
Further, the first detection piece comprises a first U-shaped pipe, a first electric connecting piece, a second electric connecting piece, a third electric connecting piece, a fourth electric connecting piece, a first floater and a second floater, wherein fluid is filled in the first U-shaped pipe, two ends of the first U-shaped pipe are respectively positioned at two sides of a first adjusting shaft, the first electric connecting piece is fixedly connected with the first floater, the second electric connecting piece is fixedly connected with the second floater, the first floater and the second floater are respectively arranged in two branch pipes of the first U-shaped pipe, the third electric connecting piece and the fourth electric connecting piece are respectively fixed at two ends of the first U-shaped pipe, the first electric connecting piece and the third electric connecting piece are oppositely arranged, and the second electric connecting piece and the fourth electric connecting piece are oppositely arranged;
The first detection piece is provided with a first detection signal, a second detection signal and a third detection signal; when the first electric connecting piece is contacted with the third electric connecting piece and the second electric connecting piece is contacted with the fourth electric connecting piece, the first detecting piece is in a leveling state, and the first detecting piece triggers a first detecting signal; when the first electric connecting piece is contacted with the third electric connecting piece and the second electric connecting piece is separated from the fourth electric connecting piece, the first detecting piece is in a first inclined state, and the first detecting piece triggers a second detecting signal; when the first electric connecting piece is separated from the third electric connecting piece and the second electric connecting piece is contacted with the fourth electric connecting piece, the first detecting piece is in a second inclined state, and the first detecting piece triggers a third detecting signal.
Further, when the first detection member triggers the first detection signal, the control member controls the first driving part to stop working;
when the first detection piece triggers the second detection signal, the control piece controls the driving part of the first driving part to rise;
when the first detection piece triggers the third detection signal, the control piece controls the driving part of the first driving part to fall; and/or the number of the groups of groups,
the leveling device further comprises a first indicator, the first indicator is connected with the control piece, and when the first detection piece triggers the first detection signal, the control piece controls the first indicator to send out the first indication signal;
The leveling device further comprises a second indicating piece, the second indicating piece is connected with the control piece, and when the first detecting piece triggers the second detecting signal, the control piece controls the second indicating piece to send out the second indicating signal;
the leveling device further comprises a third indicating piece, the third indicating piece is connected with the control piece, and when the first detecting piece triggers the third detecting signal, the control piece controls the third indicating piece to send out the third indicating signal.
Further, the leveling device further includes:
and the calibration detection structure is arranged on the second adjusting seat so as to calibrate and detect the leveling structure of the printing platform after the first detection piece and the second detection piece detect that the leveling is successful.
Further, the printing platform is of a polygonal structure, and the polygonal structure is provided with a plurality of vertex angles; the calibration detection structure includes:
the distance detection piece is movably arranged on the second adjusting seat;
the detection part of the position detection piece is arranged towards the distance detection piece, and when the position detection piece detects that the distance detection piece moves to the positions of a plurality of top angles of the printing platform, the distance detection piece detects the height difference between the distance detection piece and the printing platform;
when the height differences corresponding to the vertex angles detected by the distance detection piece are the same, judging that the leveling of the printing platform is successful; and when the plurality of height differences corresponding to the plurality of vertex angles detected by the distance detection piece are different, judging that the leveling of the printing platform fails.
Further, a third guide groove is formed in the second adjusting seat, the shape of the third guide groove is matched with the edge of the second adjusting seat and passes through a plurality of vertex angles of the second adjusting seat, and the distance detection piece is movably arranged in the third guide groove.
Further, the calibration detection structure further includes:
the third driving piece is arranged at one end of the third guide groove;
one end of the first driving rope is wound on the driving end of the third driving piece, and the other end of the first driving rope is wound on the distance detection piece or the mounting seat of the distance detection piece so as to drive the first driving rope to zoom through the third driving piece;
the fourth driving piece is arranged at the other end of the third guide groove;
one end of the second driving rope is wound on the driving end of the fourth driving piece, and the other end of the second driving rope is wound on the distance detection piece or the mounting seat of the distance detection piece so as to drive the second driving rope to zoom through the fourth driving piece;
the guide posts are multiple, the guide posts are arranged in one-to-one correspondence with the multiple vertex angles, each guide post is arranged at the corresponding vertex angle, part of the first driving rope is wound on part of the guide posts of the multiple guide posts, and part of the second driving rope is wound on the rest of the guide posts of the multiple guide posts.
By applying the technical scheme of the invention, the printing platform can be conveniently adjusted to the state of position balance relative to the two sides of the first adjusting shaft through the first adjusting structure, and the printing platform can be conveniently adjusted to the state of position balance relative to the two sides of the second adjusting shaft through the second adjusting structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 shows a schematic structural view of one direction of an auto leveling device for fused deposition additive manufacturing provided in accordance with an embodiment of the present invention;
FIG. 2 shows a schematic diagram of another orientation of an auto leveling device for fused deposition additive manufacturing provided in accordance with an embodiment of the present invention;
FIG. 3 shows a schematic structural view of a further orientation of an auto leveling device for fused deposition additive manufacturing provided in accordance with an embodiment of the present invention;
FIG. 4 shows a partial schematic of a second adjustment structure and a calibration detection structure provided in accordance with an embodiment of the invention;
FIG. 5 is a schematic view showing a structure of a first detecting member in a leveling state according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a second detecting member in a leveling state according to an embodiment of the present invention.
Wherein the above figures include the following reference numerals:
10. a printing platform; 11. a first guide groove;
20. a first adjustment structure; 21. a first adjustment seat; 211. a second guide groove; 22. a first adjustment shaft; 23. a first driving section; 231. a first driving member; 232. a first driving block; 233. a first connecting rod; 24. a first support column; 25. a first connector;
30. a second adjustment structure; 31. a second adjusting seat; 311. a third guide groove; 32. a second adjustment shaft; 33. a second driving section; 331. a second driving member; 332. a second driving block; 333. a second connecting rod; 34. a second support column; 35. a second connector;
40. a control member;
50. a first detecting member; 51. a first U-shaped tube; 52. a first electrical connection; 53. a second electrical connection; 54. a third electrical connection; 55. a fourth electrical connection; 56. a first float; 57. a second float;
60. A second detecting member; 61. a second U-shaped tube; 62. a fifth electrical connection; 63. a sixth electrical connection; 64. a seventh electrical connection; 65. an eighth electrical connection; 66. a third float; 67. a fourth float;
71. a first indicator; 72. a second indicator; 73. a third indicator; 74. a fourth indicator; 75. a fifth indicator; 76. a sixth indicator;
80. calibrating the detection structure; 81. a distance detecting member; 82. a third driving member; 83. a first drive string; 84. a fourth driving member; 85. a second drive string; 86. a guide post; 87. a first wire spool; 88. a second wire spool; 89. a mounting base;
90. and an alarm.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 6, an embodiment of the present invention provides a self-leveling device for fused deposition additive manufacturing, including: a printing platform 10, a first adjustment structure 20 and a second adjustment structure 30. The first adjusting structure 20 is disposed below the printing platform 10, the first adjusting structure 20 includes a first adjusting seat 21 and a first adjusting shaft 22, the first adjusting shaft 22 extends along a first preset direction, the first adjusting shaft 22 is rotatably disposed on the first adjusting seat 21 with a symmetry axis of the first adjusting shaft 22 as a rotation axis, and the first adjusting shaft 22 is connected with the printing platform 10 to enable the printing platform 10 to swing relative to the symmetry axis of the first adjusting shaft 22. The second adjusting structure 30 is disposed below the first adjusting structure 20, the second adjusting structure 30 includes a second adjusting seat 31 and a second adjusting shaft 32, the second adjusting shaft 32 extends along a second preset direction, the second preset direction is set at a preset angle with the first preset direction, the second adjusting shaft 32 is rotatably disposed on the second adjusting seat 31 with a symmetry axis of the second adjusting shaft 32 as a rotation axis, and the second adjusting shaft 32 is connected with the first adjusting seat 21 so that the first adjusting seat 21 swings relative to the symmetry axis of the second adjusting shaft 32.
By adopting the automatic leveling device for fused deposition additive manufacturing provided by the embodiment, the printing platform 10 can be conveniently adjusted to the state of position balance relative to the two sides of the first adjusting shaft 22 through the first adjusting structure 20, the printing platform 10 can be conveniently adjusted to the state of position balance relative to the two sides of the second adjusting shaft 32 through the second adjusting structure 30, and the first adjusting shaft 22 and the second adjusting shaft 32 are arranged at a preset angle, so that the printing platform 10 can be conveniently leveled under the cooperation of the first adjusting structure 20 and the second adjusting structure 30, and the leveling of the printing platform 10 is conveniently performed, and the adjusting accuracy is also conveniently improved. Specifically, the angle between the first adjustment shaft 22 and the second adjustment shaft 32 may be made 90 °.
Meanwhile, the automatic leveling device for manufacturing the melting additive is provided by the embodiment, as the first adjusting structure 20 and the second adjusting structure 30 are arranged in a layout mode of up-down interval layout, heat transfer of molten materials on the printing platform 10 to the first adjusting structure 20 and the second adjusting structure 30 can be reduced to a certain extent, leveling accuracy of the first adjusting structure 20 and the second adjusting structure 30 can be guaranteed to a certain extent, and the condition that excessive heat causes adjustment failure of the first adjusting structure 20 and the second adjusting structure 30 is avoided.
Specifically, the first adjusting structure 20 includes a first driving portion 23, where the first driving portion 23 is disposed on the first adjusting seat 21, the first driving portion 23 is located on one side of the first adjusting shaft 22, at least part of the first driving portion 23 is disposed in a liftable manner, and the first driving portion 23 is used for driving the printing platform 10 to move so as to swing the printing platform 10 relative to the symmetry axis of the first adjusting shaft 22. Alternatively, the second adjusting structure 30 includes a second driving portion 33, where the second driving portion 33 is disposed on the second adjusting seat 31, the second driving portion 33 is located on one side of the second adjusting shaft 32, at least part of the second driving portion 33 is disposed in a liftable manner, and the second driving portion 33 is used for driving the first adjusting seat 21 to move so as to swing the first adjusting seat 21 relative to the symmetry axis of the second adjusting shaft 32. Alternatively, the first adjusting structure 20 includes a first driving portion 23, where the first driving portion 23 is disposed on the first adjusting seat 21, the first driving portion 23 is located on one side of the first adjusting shaft 22, at least part of the first driving portion 23 is disposed in a liftable manner, and the first driving portion 23 is used to drive the printing platform 10 to move so as to swing the printing platform 10 relative to the symmetry axis of the first adjusting shaft 22; the second adjusting structure 30 includes a second driving portion 33, the second driving portion 33 is disposed on the second adjusting seat 31, the second driving portion 33 is located on one side of the second adjusting shaft 32, at least a portion of the second driving portion 33 is disposed in a liftable manner, and the second driving portion 33 is configured to drive the first adjusting seat 21 to move so as to swing the first adjusting seat 21 relative to the symmetry axis of the second adjusting shaft 32.
By providing the first driving part 23, the automatic leveling operation of the printing platform 10 relative to the first adjusting shaft 22 can be conveniently performed under the driving action of the first driving part 23; by providing the second driving portion 33, the automatic leveling operation of the printing platform 10 with respect to the second adjustment shaft 32 can be performed easily under the driving action of the second driving portion 33. Therefore, the leveling operation of the printing platform 10 can be automatically completed conveniently by the cooperation of the first driving part 23 and the second driving part 33, and the convenience of operation is improved.
In the present embodiment, the first driving part 23 includes a first driving member 231 and a first driving block 232, the first driving member 231 is disposed to be liftable, the first driving block 232 is rotatably disposed on the first driving member 231, the bottom of the printing platform 10 is provided with a first guide groove 11, the first guide groove 11 extends in a direction at a first predetermined angle to the first adjusting shaft 22, and the first driving block 232 is slidably disposed in the first guide groove 11. The second driving part 33 includes a second driving part 331 and a second driving block 332, the second driving part 331 is arranged to be liftable, the second driving block 332 is rotatably arranged on the second driving part 331, the bottom of the first adjusting seat 21 is provided with a second guiding groove 211, the second guiding groove 211 extends along a direction at a second predetermined angle with the second adjusting shaft 32, and the second driving block 332 is slidably arranged in the second guiding groove 211. With such a structural arrangement, by arranging the first driving portion 23 and the second driving portion 33 as described above, respectively, it is possible to facilitate more convenient adjustment of the printing platform 10, and to improve the leveling effect on the printing platform 10.
Specifically, the first driving block 232 can be moved in the first guide groove 11 by controlling the telescopic length of the driving end of the first driving member 231, and further, the balance of the printing platform 10 relative to the two sides of the first adjusting shaft 22 is controlled, and the precision of adjustment can be conveniently realized by adjusting the telescopic length of the driving end of the first driving member 231. Preferably, the automatic leveling device in this embodiment further includes a first angle detecting element, where the first angle detecting element is configured to detect an angular deviation of the printing platform 10 relative to the first adjusting shaft 22, and when the first angle detecting element detects that the angular deviation of the printing platform 10 relative to the first adjusting shaft 22 is large (specifically, greater than 10 °), the telescopic speed of the driving end of the first driving element 231 is controlled to be relatively fast so that the telescopic distance is relatively large, thereby implementing coarse adjustment; when the first angle detecting member detects that the angular deviation of the printing platform 10 with respect to the first regulating shaft 22 is small (specifically, less than 10 °), the telescopic speed of the driving end of the first driving member 231 is controlled to be slow so that the telescopic distance is small, thereby realizing fine regulation. By the above-described adjustment manner of combining the thickness and the fineness, the horizontal state of the printing platform 10 with respect to both sides of the first adjustment shaft 22 can be adjusted conveniently, quickly and accurately.
Specifically, the second driving block 332 can be moved in the second guide groove 211 by controlling the telescopic length of the driving end of the second driving element 331, so as to control the balance of the printing platform 10 relative to the two sides of the second adjusting shaft 32, and the precision of adjustment can be conveniently realized by adjusting the telescopic length of the driving end of the second driving element 331. Preferably, the automatic leveling device in this embodiment further includes a second angle detecting member for detecting an angular deviation of the first adjusting seat 21 with respect to the second adjusting shaft 32, and when the second angle detecting member detects that the angular deviation of the printing platform 10 with respect to the second adjusting shaft 32 is large (specifically, greater than 10 °), the telescoping speed of the driving end of the second driving member 331 is controlled to be high so that the telescoping distance is large, thereby achieving coarse adjustment; when the second angle detecting member detects that the angular deviation of the printing platform 10 with respect to the second regulating shaft 32 is small (specifically, less than 10 °), the telescopic speed of the driving end of the second driving member 331 is controlled to be slow so that the telescopic distance is small, thereby realizing fine regulation. By the above-described adjustment method of combining the thickness and the fineness, the horizontal state of the printing platform 10 on both sides with respect to the second adjustment shaft 32 can be adjusted easily and quickly.
In this embodiment, the auto-leveling device further includes a control member 40, and the first driving part 23 and the second driving part 33 are connected to the control member 40.
Specifically, the automatic leveling device further includes a first detecting member 50, where the first detecting member 50 is disposed on the printing platform 10, the first detecting member 50 is configured to detect whether the printing platform 10 is located on two sides of the first adjusting shaft 22, and the first detecting member 50 is in signal connection with the control member 40, so that the control member 40 controls the movement of the first driving portion 23 according to the signal detected by the first detecting member 50. Alternatively, the automatic leveling device further includes a second detecting member 60, where the second detecting member 60 is disposed on the first adjusting seat 21, the second detecting member 60 is configured to detect whether the first adjusting seat 21 is located on two sides of the second adjusting shaft 32, and the second detecting member 60 is in signal connection with the control member 40, so that the control member 40 controls the movement of the second driving portion 33 according to the signal detected by the second detecting member 60. Or, the automatic leveling device further includes a first detecting member 50 and a second detecting member 60, the first detecting member 50 is disposed on the printing platform 10, the first detecting member 50 is used for detecting whether the printing platform 10 is respectively located at two sides of the first adjusting shaft 22 and leveling, the first detecting member 50 is in signal connection with the control member 40, so that the control member 40 controls the movement of the first driving portion 23 according to the signal detected by the first detecting member 50; the second detecting element 60 is disposed on the first adjusting seat 21, the second detecting element 60 is used for detecting whether the first adjusting seat 21 is respectively located at two sides of the second adjusting shaft 32 and leveling, and the second detecting element 60 is in signal connection with the control element 40, so that the control element 40 controls the movement of the second driving portion 33 according to the signal detected by the second detecting element 60.
By adopting the structure, whether the printing platform 10 is respectively positioned at the two sides of the first adjusting shaft 22 and leveled can be conveniently and timely detected by arranging the first detecting piece 50, and the movement of the first driving part 23 is controlled by the control piece 40 according to the signal detected by the first detecting piece 50, so that the automation degree of leveling is improved better. Whether the first adjusting seats 21 are respectively positioned at two sides of the second adjusting shaft 32 are leveled or not can be conveniently and timely detected by arranging the second detecting piece 60, and the movement of the second driving part 33 is controlled by the control piece 40 according to the signal detected by the second detecting piece 60, so that the automation degree of leveling is improved better.
In this embodiment, the first detecting member 50 includes a first U-shaped tube 51, a first electrical connector 52, a second electrical connector 53, a third electrical connector 54, a fourth electrical connector 55, a first float 56 and a second float 57, the first U-shaped tube 51 is filled with fluid, two ends of the first U-shaped tube 51 are respectively located at two sides of the first adjusting shaft 22, the first electrical connector 52 is fixedly connected with the first float 56, the second electrical connector 53 is fixedly connected with the second float 57, the first float 56 and the second float 57 are respectively arranged in two branch tubes of the first U-shaped tube 51, the third electrical connector 54 and the fourth electrical connector 55 are respectively fixed at two ends of the first U-shaped tube 51, the first electrical connector 52 is arranged opposite to the third electrical connector 54, and the second electrical connector 53 is arranged opposite to the fourth electrical connector 55. Wherein the first detecting member 50 has a first detecting signal, a second detecting signal and a third detecting signal; when the first electrical connector 52 is in contact with the third electrical connector 54 and the second electrical connector 53 is in contact with the fourth electrical connector 55, the first detecting member 50 is in a leveling state, and the first detecting member 50 triggers a first detecting signal; when the first electrical connector 52 contacts the third electrical connector 54 and the second electrical connector 53 is separated from the fourth electrical connector 55, the first detecting member 50 is in the first inclined state, and the first detecting member 50 triggers the second detecting signal; when the first electrical connector 52 is separated from the third electrical connector 54 and the second electrical connector 53 is in contact with the fourth electrical connector 55, the first detecting member 50 is in the second inclined state, and the first detecting member 50 triggers the third detecting signal. By adopting the structure, the printing platform 10 can be accurately detected conveniently through the first detection piece 50, the printing platform 10 is adaptively adjusted according to different detection signals detected by the first detection piece 50, the detection result of the first detection piece 50 and the adjustment state of the printing platform 10 are corresponding in real time, and the adjustment accuracy is improved.
Specifically, the structure of the second detecting member 60 may be the same as that of the first detecting member 50. The second detecting element 60 in this embodiment includes a second U-shaped tube 61, a fifth electrical connector 62, a sixth electrical connector 63, a seventh electrical connector 64, an eighth electrical connector 65, a third float 66 and a fourth float 67, the second U-shaped tube 61 is filled with fluid, two ends of the second U-shaped tube 61 are respectively located at two sides of the second adjusting shaft 32, the fifth electrical connector 62 is fixedly connected with the third float 66, the sixth electrical connector 63 is fixedly connected with the fourth float 67, the third float 66 and the fourth float 67 are respectively arranged in two branch tubes of the second U-shaped tube 61, the seventh electrical connector 64 and the eighth electrical connector 65 are respectively fixed at two ends of the second U-shaped tube 61, the fifth electrical connector 62 is oppositely arranged with the seventh electrical connector 64, and the sixth electrical connector 63 is oppositely arranged with the eighth electrical connector 65. Wherein the second detecting member 60 has a fourth detecting signal, a fifth detecting signal and a sixth detecting signal; when the fifth electrical connector 62 contacts the seventh electrical connector 64 and the sixth electrical connector 63 contacts the eighth electrical connector 65, the second detecting member 60 is in a leveling state, and the second detecting member 60 triggers a fourth detecting signal; when the fifth electrical connector 62 is in contact with the seventh electrical connector 64 and the sixth electrical connector 63 is separated from the eighth electrical connector 65, the second detecting member 60 is in the third inclined state, and the second detecting member 60 triggers the fifth detecting signal; when the fifth electrical connector 62 is separated from the seventh electrical connector 64 and the sixth electrical connector 63 is in contact with the eighth electrical connector 65, the second detecting member 60 is in the fourth inclined state, and the second detecting member 60 triggers the sixth detecting signal. By adopting the structure, the second detection piece 60 can conveniently and accurately detect the first adjustment seat 21, the first adjustment seat 21 is adaptively adjusted according to different detection signals detected by the second detection piece 60, the detection result of the second detection piece 60 and the adjustment state of the first adjustment seat 21 are corresponding in real time, and the adjustment accuracy is improved.
Specifically, when the first detecting member 50 triggers the first detecting signal, the control member 40 controls the first driving portion 23 to stop working; when the first detecting element 50 triggers the second detecting signal, the control element 40 controls the driving part of the first driving part 23 to rise; when the first detecting element 50 triggers the third detecting signal, the control element 40 controls the driving part of the first driving part 23 to fall, so that the control element 40 can adaptively adjust the first driving part 23 according to the detecting signal detected by the first detecting element 50, and the printing platform 10 can be quickly adjusted to a state of leveling two sides of the first adjusting shaft 22. Alternatively, the leveling device further includes a first indicator 71, a second indicator 72, and a third indicator 73, where the first indicator 71 is connected to the control member 40, and when the first detection member 50 triggers the first detection signal, the control member 40 controls the first indicator 71 to emit the first indication signal; the second indicator 72 is connected to the control member 40, and when the first detecting member 50 triggers the second detecting signal, the control member 40 controls the second indicator 72 to emit the second indicating signal; the third indicator 73 is connected with the control member 40, and when the first detecting member 50 triggers the third detecting signal, the control member 40 controls the third indicator 73 to send out the third indicating signal; in this way, the first indicator 71, the second indicator 72 and the third indicator 73 can be used to send out corresponding indication signals, so that operators can conveniently perform subsequent corresponding manufacturing steps according to the indication signals of the first indicator 71, the second indicator 72 and the third indicator 73. Or, when the first detecting member 50 triggers the first detecting signal, the control member 40 controls the first driving part 23 to stop working; when the first detecting element 50 triggers the second detecting signal, the control element 40 controls the driving part of the first driving part 23 to rise; when the first detecting element 50 triggers the third detecting signal, the control element 40 controls the driving part of the first driving part 23 to fall; the leveling device further comprises a first indicator 71, a second indicator 72 and a third indicator 73, wherein the first indicator 71 is connected with the control member 40, and when the first detection member 50 triggers the first detection signal, the control member 40 controls the first indicator 71 to send out the first indication signal; the second indicator 72 is connected to the control member 40, and when the first detecting member 50 triggers the second detecting signal, the control member 40 controls the second indicator 72 to emit the second indicating signal; the third indicator 73 is connected to the control member 40, and when the first detecting member 50 triggers the third detecting signal, the control member 40 controls the third indicator 73 to emit the third indicating signal.
Specifically, the first indicator 71, the second indicator 72 and the third indicator 73 may be disposed side by side, and the second indicator 72 and the third indicator 73 are respectively located at two sides of the first indicator 71, so as to accurately and rapidly determine the deviation direction of the first printing platform 10 and whether to level. The first indicator 71, the second indicator 72, and the third indicator 73 in the present embodiment may all be provided as indicator light structures.
Specifically, the detection signal, the control principle, and the indication signal of the second detecting member 60 are similar to those of the first detecting member 50. A fourth indicator 74, a fifth indicator 75 and a sixth indicator 76 are provided on the second adjustment seat 31, and when the second detecting member 60 triggers the fourth detecting signal, the control member 40 controls the fourth indicator 74 to emit the fourth indicating signal; when the second detecting element 60 triggers the fifth detecting signal, the control element 40 controls the fifth indicating element 75 to emit the fifth indicating signal; when the second detecting element 60 triggers the sixth detecting signal, the control element 40 controls the sixth indicating element 76 to emit the sixth indicating signal.
Specifically, the fourth indicator 74, the fifth indicator 75 and the sixth indicator 76 may be disposed side by side, and the fifth indicator 75 and the sixth indicator 76 are respectively located at both sides of the fourth indicator 74, so as to accurately and rapidly determine the deviation direction of the first adjustment seat 21 and whether leveling is performed. The fourth indicator 74, the fifth indicator 75, and the sixth indicator 76 in the present embodiment may all be provided as indicator light structures.
In this embodiment, the leveling device further includes a calibration detecting structure 80, where the calibration detecting structure 80 is disposed on the second adjusting seat 31, so as to calibrate and detect the leveling structure of the printing platform 10 after the first detecting member 50 and the second detecting member 60 detect that leveling is successful. By adopting the structure, the leveling structure of the printing platform 10 can be conveniently calibrated and detected, the situation that the judgment is wrong due to the fact that the first detection piece 50 or the second detection piece 60 is affected by the heat of the printing platform 10 is avoided, the leveling accuracy of the printing platform 10 is improved, and the accuracy of the subsequent additive manufacturing process is conveniently ensured.
Specifically, the printing platform 10 is a polygonal structure having a plurality of vertex angles. The calibration detecting structure 80 includes a distance detecting member 81 and a position detecting member, the distance detecting member 81 being movably disposed on the second regulation seat 31. The detection portion of the position detection member is provided toward the distance detection member 81, and when the position detection member detects that the distance detection member 81 moves to positions of a plurality of top corners of the printing platform 10, the distance detection member 81 detects a height difference between the distance detection member 81 and the printing platform 10. Wherein, when the plurality of height differences corresponding to the plurality of vertex angles detected by the distance detecting member 81 are the same, it is determined that the leveling of the printing platform 10 is successful; when the plurality of height differences corresponding to the plurality of top corners detected by the distance detecting member 81 are different, it is determined that the printing platform 10 fails to be leveled. By adopting the structure, the leveling result of the printing platform 10 can be conveniently calibrated, and the accuracy of the leveling result is improved.
Specifically, the printing platform 10 in the present embodiment has a square structure, and the printing platform 10 has four vertex angles. The first adjusting seat 21 and the second adjusting seat 31 are also square structures adapted to the printing platform 10.
In this embodiment, the second adjusting seat 31 is provided with a third guiding slot 311, the shape of the third guiding slot 311 is adapted to the edge of the second adjusting seat 31 and passes through a plurality of top angles of the second adjusting seat 31, and the distance detecting member 81 is movably disposed in the third guiding slot 311. By adopting such a structural arrangement, the distance detecting member 81 can be conveniently moved smoothly to the plurality of top corners of the second adjusting seat 31, and the degree of automation is improved.
Specifically, the calibration detection structure 80 in the present embodiment further includes: the third driving piece 82, the first driving rope 83, the fourth driving piece 84, the second driving rope 85 and the guide post 86, the third driving piece 82 being disposed at one end of the third guide groove 311; one end of the first driving rope 83 is wound on the driving end of the third driving piece 82, and the other end of the first driving rope 83 is wound on the distance detecting piece 81 or the mounting seat 89 of the distance detecting piece 81 so as to drive the first driving rope 83 to zoom through the third driving piece 82; the fourth driving piece 84 is disposed at the other end of the third guide groove 311; a second driving rope 85, one end of the second driving rope 85 is wound on the driving end of the fourth driving piece 84, and the other end of the second driving rope 85 is wound on the distance detecting piece 81 or the mounting seat 89 of the distance detecting piece 81 so as to drive the second driving rope 85 to zoom through the fourth driving piece 84; the guide posts 86 are plural, the plural guide posts 86 are arranged in one-to-one correspondence with the plural vertical angles, each guide post 86 is arranged at the corresponding vertical angle, a part of the first driving rope 83 is wound on a part of the guide posts 86 of the plural guide posts 86, and a part of the second driving rope 85 is wound on the rest of the guide posts 86 of the plural guide posts 86. With the above configuration, the distance detecting member 81 can be easily driven to move smoothly in the third guide groove 311 by the engagement of the third driving member 82 and the fourth driving member 84. Specifically, when the third driver 82 retracts the first drive rope 83, the fourth driver 84 pays out the second drive rope 85; when the third driving piece 82 pays out the first driving rope 83, the fourth driving piece 84 picks up the second driving rope 85; so that the distance detecting member 81 smoothly moves in the third guide groove 311 by the first and second driving ropes 83 and 85. Specifically, the retraction speed of the first driving rope 83 may be the same as the retraction speed of the second driving rope 85 to secure the movement stability of the distance detecting member 81.
Specifically, the third driving member 82 and the fourth driving member 84 are both positive and negative motors, and the calibration detecting structure 80 further includes a first wire spool 87 and a second wire spool 88. The third driving piece 82 drives the first spool 87 to rotate forward or backward to drive the first driving rope 83 to retract or pay out; the fourth driving member 84 drives the second spool 88 forward or reverse to drive the second driving string 85 to be retracted or paid out.
Specifically, the first driving part 23 in the present embodiment further includes a first connecting rod 233, and both ends of the first connecting rod 233 are rotatably connected to the first driving member 231 and the first driving block 232, respectively. The first adjusting structure 20 further comprises a first supporting column 24 and first connecting pieces 25, the first supporting column 24 is arranged on the first adjusting seat 21, the first supporting column 24 is used for supporting the first adjusting shaft 22, the first adjusting shaft 22 is rotatably arranged on the first supporting column 24, at least two first supporting columns 24 are arranged at intervals along the extending direction of the first adjusting shaft 22, the number of the first connecting pieces 25 is two, the two first connecting pieces 25 are respectively arranged at two ends of the first adjusting shaft 22, the printing platform 10 is fixedly connected with the first adjusting shaft 22 through the two first connecting pieces 25, the compactness of structural layout is improved, and the connection stability is improved.
In the present embodiment, the second driving part 33 further includes a second connection rod 333, and both ends of the second connection rod 333 are rotatably connected with the second driving piece 331 and the second driving block 332, respectively. The second adjusting structure 30 further comprises a second supporting column 34 and second connecting pieces 35, the second supporting column 34 is arranged on the second adjusting seat 31, the second supporting column 34 is used for supporting the second adjusting shaft 32, the second adjusting shaft 32 is rotatably arranged on the second supporting column 34, at least two second supporting columns 34 are arranged at intervals along the extending direction of the second adjusting shaft 32, the number of the second connecting pieces 35 is two, the two second connecting pieces 35 are respectively arranged at two ends of the second adjusting shaft 32, the first adjusting shaft 22 is fixedly connected with the second adjusting shaft 32 through the two second connecting pieces 35, the compactness of structural layout is improved, and the connection stability is improved.
In this embodiment, the specific steps in using the leveling device may be as follows:
s1: observing the lighting conditions of the first indicator lamp, the second indicator lamp and the third indicator lamp at the top of the first adjusting seat 21;
s2: if the first indicator light is on, the hydraulic telescopic rod (the first driving member 231 may be a hydraulic telescopic rod) at the top of the first adjusting seat 21 does not need to work;
S3: if the second indicator lamp or the third indicator lamp is on, the hydraulic telescopic rod at the top of the first adjusting seat 21 is started to extend or shorten the telescopic end of the hydraulic telescopic rod, the angle of the first adjusting shaft 22 is driven to change, the first sliding block slides in the first guide groove 11, and the angles of the left side and the right side (namely, the two sides of the first adjusting shaft 22) of the printing platform 10 are changed until the second indicator lamp or the third indicator lamp is off, and the first indicator lamp is on;
s4: after the printing platform 10 is leveled left and right, the lighting conditions of a fourth indicator lamp, a fifth indicator lamp and a sixth indicator lamp at the top of the second adjusting seat 31 are observed;
s5: if the first indicator light is on, the hydraulic telescopic rod (the second driving piece 331 may be a hydraulic telescopic rod) at the top of the second adjusting seat 31 does not need to work;
s6: if the fifth indicator lamp or the sixth indicator lamp is on, the hydraulic telescopic rod at the top of the second adjusting seat 31 is started to extend or shorten the telescopic end of the hydraulic telescopic rod, so that the angle of the second adjusting shaft 32 is driven to change, the second adjusting block slides in the second guide groove 211, the angles of the front side and the rear side (namely, the two sides of the second adjusting shaft 32) of the first adjusting seat 21 are changed, and the angles of the front side and the rear side of the printing platform 10 are changed until the fifth indicator lamp or the sixth indicator lamp is off, and the fourth indicator lamp is on;
S7: after the front and back leveling of the printing platform 10, respectively starting a first positive and negative motor (a third driving part) and a second positive and negative motor (a fourth driving part), wherein the first positive and negative motor drives the first wire spool 87 to rotate clockwise to loosen the first steel cable (the first driving rope 83), and the second positive and negative motor drives the second wire spool 88 to rotate anticlockwise to retract the second steel cable (the second driving rope 85), so that the moving column (namely the mounting seat 89 of the position adjusting piece) is pulled to move in the third guide groove 311;
s8: in the process that the moving column moves in the third guide groove 311, once the laser distance meter (position detecting piece) moves to the four vertex angle positions between the second adjusting seat 31 and the printing platform 10 along with the moving column, the laser distance meter starts to measure the distances between the four vertex angles of the second adjusting seat 31 and the printing platform 10;
s9: if the measured four distance data are identical, the printing platform 10 is successfully leveled;
s10: if the measured four distance data are different, the alarm member 90 (the alarm member 90 may be a buzzer) alarms, reminding a worker to manually determine whether the printing platform 10 is leveled;
s11: the equipment is checked again, and the fault is checked and repaired, if the manual measurement printing platform 10 is truly horizontal, the laser range finder may malfunction, and if the manual measurement printing platform 10 is not horizontal, the first U-shaped tube 51 or the second U-shaped tube 61 or the six indicator lamps may malfunction.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: the whole angle of the printing platform is changed, the printing platform is automatically leveled, manual leveling is not needed, time and labor are saved, and leveling is more accurate; whether the leveled printing platform is level or not can be measured for the second time, the step of checking and measuring is added, and the situation that the printing platform is not leveled is thoroughly eradicated.
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 is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An automatic leveling device for fused deposition additive manufacturing, comprising:
a printing platform (10);
the first adjusting structure (20) is arranged below the printing platform (10), the first adjusting structure (20) comprises a first adjusting seat (21) and a first adjusting shaft (22), the first adjusting shaft (22) extends along a first preset direction, the first adjusting shaft (22) is rotatably arranged on the first adjusting seat (21) by taking a symmetry axis of the first adjusting shaft (22) as a rotation axis, and the first adjusting shaft (22) is connected with the printing platform (10) so as to enable the printing platform (10) to swing relative to the symmetry axis of the first adjusting shaft (22);
The second adjusting structure (30) is arranged below the first adjusting structure (20), the second adjusting structure (30) comprises a second adjusting seat (31) and a second adjusting shaft (32), the second adjusting shaft (32) extends along a second preset direction, the second preset direction and the first preset direction are arranged at preset angles, the second adjusting shaft (32) is rotatably arranged on the second adjusting seat (31) by taking the symmetry axis of the second adjusting shaft (32) as a rotation axis, and the second adjusting shaft (32) is connected with the first adjusting seat (21) so as to enable the first adjusting seat (21) to swing relative to the symmetry axis of the second adjusting shaft (32);
the first adjusting structure (20) comprises a first driving part (23), the first driving part (23) is arranged on the first adjusting seat (21), the first driving part (23) is positioned on one side of the first adjusting shaft (22), at least part of the first driving part (23) is arranged in a lifting mode, and the first driving part (23) is used for driving the printing platform (10) to move so as to enable the printing platform (10) to swing relative to the symmetry axis of the first adjusting shaft (22);
the automatic leveling device further includes:
a control member (40), the first driving part (23) being connected to the control member (40);
The first detection piece (50) is arranged on the printing platform (10), the first detection piece (50) is used for detecting whether the printing platform (10) is respectively positioned at two sides of the first adjusting shaft (22) and leveled, the first detection piece (50) is in signal connection with the control piece (40) so that the control piece (40) controls the movement of the first driving part (23) according to the signal detected by the first detection piece (50);
the first detection part (50) comprises a first U-shaped pipe (51), a first electric connecting part (52), a second electric connecting part (53), a third electric connecting part (54), a fourth electric connecting part (55), a first floater (56) and a second floater (57), wherein the first U-shaped pipe (51) is filled with fluid, two ends of the first U-shaped pipe (51) are respectively positioned at two sides of the first adjusting shaft (22), the first electric connecting part (52) is fixedly connected with the first floater (56), the second electric connecting part (53) is fixedly connected with the second floater (57), the first floater (56) and the second floater (57) are respectively arranged in two branch pipes of the first U-shaped pipe (51), the third electric connecting part (54) and the fourth electric connecting part (55) are respectively fixed at two ends of the first U-shaped pipe (51), and the first electric connecting part (52) is arranged opposite to the third electric connecting part (54) and the fourth electric connecting part (55) is arranged opposite to the first electric connecting part (53);
Wherein the first detection member (50) has a first detection signal, a second detection signal, and a third detection signal; when the first electric connecting piece (52) is contacted with the third electric connecting piece (54) and the second electric connecting piece (53) is contacted with the fourth electric connecting piece (55), the first detecting piece (50) is in a leveling state, and the first detecting piece (50) triggers a first detecting signal; -when the first electrical connector (52) is in contact with the third electrical connector (54) and the second electrical connector (53) is separated from the fourth electrical connector (55), the first detection member (50) is in a first inclined state, the first detection member (50) triggering a second detection signal; when the first electrical connector (52) is separated from the third electrical connector (54) and the second electrical connector (53) is in contact with the fourth electrical connector (55), the first detection member (50) is in a second inclined state, and the first detection member (50) triggers a third detection signal.
2. The automatic leveling device for fused deposition additive manufacturing according to claim 1, characterized in that the second adjustment structure (30) comprises a second drive part (33), the second drive part (33) being arranged on the second adjustment seat (31), the second drive part (33) being located on one side of the second adjustment shaft (32), at least part of the second drive part (33) being arranged liftable, the second drive part (33) being arranged for driving the first adjustment seat (21) in motion for swinging the first adjustment seat (21) relative to the symmetry axis of the second adjustment shaft (32).
3. The auto-leveling device for fused deposition additive manufacturing according to claim 2, wherein,
the first driving part (23) comprises a first driving piece (231) and a first driving block (232), the first driving piece (231) is arranged in a lifting manner, the first driving block (232) is rotatably arranged on the first driving piece (231), a first guide groove (11) is formed in the bottom of the printing platform (10), the first guide groove (11) extends along the direction which forms a first preset angle with the first adjusting shaft (22), and the first driving block (232) is slidably arranged in the first guide groove (11);
the second driving part (33) comprises a second driving piece (331) and a second driving block (332), the second driving piece (331) is arranged in a lifting mode, the second driving block (332) is rotatably arranged on the second driving piece (331), a second guide groove (211) is formed in the bottom of the first adjusting seat (21), the second guide groove (211) extends along the direction which is at a second preset angle with the second adjusting shaft (32), and the second driving block (332) is slidably arranged in the second guide groove (211).
4. The automatic leveling device for fused deposition additive manufacturing according to claim 2, characterized in that the second drives (33) are each connected with the control member (40); the automatic leveling device further includes:
The second detection piece (60) is arranged on the first adjusting seat (21), the second detection piece (60) is used for detecting whether the first adjusting seat (21) is respectively positioned on two sides of the second adjusting shaft (32) and leveled, the second detection piece (60) is in signal connection with the control piece (40), so that the control piece (40) controls the movement of the second driving part (33) according to the signal detected by the second detection piece (60).
5. The auto-leveling device for fused deposition additive manufacturing according to claim 1, wherein,
when the first detection member (50) triggers the first detection signal, the control member (40) controls the first driving part (23) to stop working;
when the first detection member (50) triggers the second detection signal, the control member (40) controls the driving part of the first driving part (23) to rise;
when the first detection member (50) triggers the third detection signal, the control member (40) controls the driving part of the first driving part (23) to fall; and/or the number of the groups of groups,
the leveling device further includes:
a first indicator (71), the first indicator (71) being connected to the control element (40), the control element (40) controlling the first indicator (71) to emit a first indication signal when the first detection element (50) triggers the first detection signal;
A second indicator (72), the second indicator (72) being connected to the control element (40), the control element (40) controlling the second indicator (72) to emit a second indicator signal when the first detector (50) triggers the second detection signal;
and the third indicator (73) is connected with the control piece (40), and when the first detection piece (50) triggers the third detection signal, the control piece (40) controls the third indicator (73) to send out a third indication signal.
6. The automatic leveling device for fused deposition additive manufacturing of claim 4, further comprising:
and the calibration detection structure (80) is arranged on the second adjusting seat (31) so as to calibrate and detect the leveling structure of the printing platform (10) after the first detection piece (50) and the second detection piece (60) detect successful leveling.
7. The automatic leveling device for fused deposition additive manufacturing according to claim 6, characterized in that said printing platform (10) is a polygonal structure having a plurality of vertex angles; the calibration detection structure (80) comprises:
a distance detecting member (81) movably provided on the second regulating seat (31);
A position detecting member, a detecting portion of which is provided toward the distance detecting member (81), the distance detecting member (81) detecting a difference in height between the distance detecting member (81) and the printing platform (10) when the position detecting member detects that the distance detecting member (81) moves to positions of a plurality of top corners of the printing platform (10);
when the height differences corresponding to the vertex angles detected by the distance detection piece (81) are the same, judging that the leveling of the printing platform (10) is successful; and when the height differences corresponding to the plurality of vertex angles detected by the distance detection piece (81) are different, judging that the leveling of the printing platform (10) fails.
8. The automatic leveling device for fused deposition additive manufacturing according to claim 7, characterized in that a third guiding groove (311) is provided on the second adjustment seat (31), the shape of the third guiding groove (311) is adapted to the edge of the second adjustment seat (31) and passes through a plurality of top corners of the second adjustment seat (31), and the distance detecting member (81) is movably provided in the third guiding groove (311).
9. The auto-leveling device for fused deposition additive manufacturing of claim 8, wherein the calibration detection structure (80) further comprises:
A third driving member (82) disposed at one end of the third guide groove (311);
a first driving rope (83), wherein one end of the first driving rope (83) is wound on the driving end of the third driving piece (82), and the other end of the first driving rope (83) is wound on the distance detection piece (81) or the mounting seat of the distance detection piece (81) so as to drive the first driving rope (83) to zoom through the third driving piece (82);
a fourth driving member (84), the fourth driving member (84) being disposed at the other end of the third guide groove (311);
a second driving rope (85), wherein one end of the second driving rope (85) is wound on the driving end of the fourth driving piece (84), and the other end of the second driving rope (85) is wound on the distance detection piece (81) or the mounting seat of the distance detection piece (81) so as to drive the second driving rope (85) to zoom through the fourth driving piece (84);
the guide posts (86), guide posts (86) are a plurality of guide posts (86) with a plurality of apex angles one-to-one sets up, and is individual guide posts (86) set up in the apex angle department that corresponds, the part of first drive rope (83) winds a plurality of guide posts (86) part on guide posts (86), the part of second drive rope (85) winds a plurality of guide posts (86) the rest on guide posts (86).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206578296U (en) * | 2017-01-17 | 2017-10-24 | 华南理工大学 | A kind of rotatable shaped platform formula plasma metal wire material 3D printing equipment |
| CN109839098A (en) * | 2017-11-29 | 2019-06-04 | 湖南科技学院 | A kind of U-tube horizon detector |
| CN109501241B (en) * | 2018-11-05 | 2020-12-04 | 北京工业大学 | Stereoscopic vision monitoring high-intensity multidirectional FDM 3D printing method |
| CN110253877A (en) * | 2019-07-31 | 2019-09-20 | 江苏徐工工程机械研究院有限公司 | 3D printing equipment and its control method |
| CN110978514B (en) * | 2019-12-18 | 2021-11-19 | 芜湖市爱三迪电子科技有限公司 | Leveling device of desktop level 3D printer |
| CN112762898A (en) * | 2020-12-10 | 2021-05-07 | 顾自心 | Self-leveling exploration water platform |
| US11904388B2 (en) * | 2021-01-04 | 2024-02-20 | Additive Technologies Llc | Metal drop ejecting three-dimensional (3D) object printer having an increased material deposition rate |
| CN214448543U (en) * | 2021-03-08 | 2021-10-22 | 南京工业职业技术大学 | 3D print platform with automatic leveling device |
| CN215825960U (en) * | 2021-06-30 | 2022-02-15 | 济南职业学院 | Novel 3D printer |
| CN114147962A (en) * | 2021-12-16 | 2022-03-08 | 武汉必盈生物科技有限公司 | Automatic leveling device of 3D printer |
| CN216832240U (en) * | 2021-12-20 | 2022-06-28 | 苏州润城工业设计有限公司 | 3D printer shaping platform elevation structure |
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