CN112024883A - 3D printing apparatus's degree of freedom prints base station - Google Patents
3D printing apparatus's degree of freedom prints base station Download PDFInfo
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- CN112024883A CN112024883A CN202011079648.4A CN202011079648A CN112024883A CN 112024883 A CN112024883 A CN 112024883A CN 202011079648 A CN202011079648 A CN 202011079648A CN 112024883 A CN112024883 A CN 112024883A
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- 238000010146 3D printing Methods 0.000 title claims abstract description 24
- 238000007639 printing Methods 0.000 claims abstract description 101
- 230000008093 supporting effect Effects 0.000 claims abstract description 37
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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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
Abstract
The invention discloses a freedom degree printing base station of 3D printing equipment, which comprises a printing base station, wherein two ends of the printing base station are respectively connected with two driving devices which synchronously work, and each driving device comprises a rotary driving mechanism and a lifting driving mechanism; the printing base station comprises a base station connecting part and a base station body; the rotary driving mechanism comprises a bottom plate, supporting legs are fixed to four corners of the top of the bottom plate, a supporting plate is arranged above the bottom plate, the tops of the supporting legs are fixedly connected with the bottom of the supporting plate, a rotating rod is connected to the top of the bottom plate in a rotating mode through a bearing, and a first disc is fixed to the top of the rotating rod and penetrates through the top of the supporting plate. The driving device has simple structure and convenient use, well meets the requirements of processing symmetry and the like of some rotating parts (axial symmetry), and can not only move up and down, but also rotate; and can accomplish the printing of a plurality of parts on single printing base station, work efficiency is high.
Description
Technical Field
The invention relates to the technical field of SLM (Selective laser melting) equipment, in particular to a freedom degree printing base platform of 3D printing equipment.
Background
The Selective Laser Melting (SLM) technology is used for rapidly melting preset paved layer by layer of metal powder by using a precise focusing light spot, and functional parts with any shapes and complete metallurgical bonding can be almost directly obtained. The compactness can reach nearly 100 percent, is a rapid forming technology with great development prospect, and particularly has very important application prospect in the fields of aerospace, medical treatment, automobiles, molds and the like.
The Chinese patent No. CN201720583224.9 provides a quick leveling device for a base platform of SLM equipment, wherein a base shaft can move up and down, but the processing technology adopts the step-by-step printing from top to bottom, but most of the current SLM manufacturing of rotating parts grows along the axial direction and is limited by the diameter size. Even more disadvantageously, the geometric variations of these components in the axial direction add substantial support requirements. The working state of the rotating part and the loading condition of the structure are required to meet the requirement of axial symmetry on radial equal diameter according to the characteristic of axial symmetry, including the manufacturing process.
For rotating machinery such as an aircraft engine and the like, a plurality of key parts are in an axisymmetric shape, in particular to impeller machinery. Most rotating parts are currently manufactured with SLMs that are grown axially, limited by the diameter size. Even more disadvantageously, the geometric variations of these components in the axial direction add substantial support requirements. The working state of the rotating part and the loading condition of the structure are required to meet the requirement of axial symmetry on radial equal diameter according to the characteristic of axial symmetry, including manufacturing process and the like.
However, the freedom degree printing base of the current 3D printing device has the following problems:
1. the printing base can only move up and down generally, and can print layer by layer, and certain rotating parts are difficult to meet the requirement of axial symmetry during processing, so that processed products are unqualified;
2. the printing of a plurality of parts can not be finished on a single printing base station, and the working efficiency is low;
3. lack the drive arrangement who is fit for the degree of freedom printing base station, current drive arrangement only is applicable to the platform type and prints the base station, can't satisfy some rectangular form (or long form) and print the printing demand of base station.
Based on the situation, the invention provides the freedom degree printing base station of the 3D printing equipment, and the problems can be effectively solved.
Disclosure of Invention
The invention aims to provide a freedom degree printing base station of a 3D printing device. The 3D printing equipment has the advantages that the freedom degree printing base platform is simple in structure and convenient to use, on the basis of the existing mature SLM principle, a long-strip-shaped (or named long base shaft) printing base platform is adopted, the workpiece is formed from inside to outside, each layer is on the same radius, laser scanning is only carried out selectively in the axial direction, the workpiece rotates by an angle corresponding to the width of one line after printing one line at the same radius, the whole circle of the same radius is printed, then the workpiece sinks by the thickness of one slice, the processes are continuously repeated, and the whole workpiece is manufactured; the printing of a plurality of parts can be completed on a single printing base station, so that the coaxial parts are integrally formed; multiple lasers can also be used to control multiple regions to operate together/partially (or even separately) to improve operating efficiency.
The driving device adopts the ingenious combination of the rotary driving mechanism and the lifting driving mechanism, not only can move up and down, but also can rotate, thereby well meeting the requirements of processing symmetry and the like of some rotating parts and ensuring the quality of processed products; and is suitable for the printing requirement of the long strip (or long strip) printing base station.
According to the rotary driving mechanism, the support plate, the two-way screw rod, the knob, the cross rod, the vertical plate, the connecting rod and the arc-shaped plate are arranged, so that a long-strip-shaped (or called long-shaped) printing base station can be conveniently and quickly fixed on the second disc, and the support plate, the rotating rod, the first disc, the driven gear, the servo motor, the driving gear and the stand column are arranged to drive the second disc to rotate, so that the printing base station can rotate, the requirements of processing symmetry and the like of some rotating parts are well met, and the quality of processed products is guaranteed; and is suitable for the printing requirement of the long strip (or long strip) printing base station.
The invention is realized by the following technical scheme:
the freedom degree printing base station of the 3D printing equipment comprises a printing base station, wherein two ends of the printing base station are respectively connected with two driving devices which work synchronously, and each driving device comprises a rotary driving mechanism and a lifting driving mechanism;
the printing base station comprises a base station connecting part and a base station body; the base station connecting part plays a role in connection and fixation; the base station body extends in a long strip shape, and the circumferential surface of the base station body in the extending direction is a printing support surface;
the rotary driving mechanism is connected with the base station connecting part and is used for driving the printing base station to rotate;
the upper part of the lifting driving mechanism is connected with the rotary driving mechanism, and the lifting direction of the lifting driving mechanism is mutually vertical to the axial direction of a rotating rod of the rotary driving mechanism;
the rotary driving mechanism comprises a bottom plate, supporting legs are fixed at four corners of the top of the bottom plate, a supporting plate is arranged above the bottom plate, the tops of the supporting legs are fixedly connected with the bottom of the supporting plate, the top of the bottom plate is rotatably connected with a rotating rod through a bearing, the top end of the rotating rod penetrates through the top of the supporting plate and is fixedly provided with a first disc, the top end of the rotating rod is rotatably connected with the supporting plate through a bearing, a driven gear is fixedly sleeved on the surface of the rotating rod, a servo motor is fixed at the top of the bottom plate, a driving gear is fixed on an output shaft of the servo motor and is meshed with the driving gear, four stand columns are symmetrically fixed at the top of the first disc, a second disc is arranged above the first disc, the tops of the stand columns are fixedly connected with the bottom of the second disc, and support plates are symmetrically fixed at the top of the first disc, the top of first disc is provided with two-way lead screw, the both ends of two-way lead screw all rotate with a lateral wall of adjacent mounting panel respectively through the bearing and are connected, the one end of two-way lead screw runs through a lateral wall of adjacent mounting panel and is fixed with the knob, the below of two-way lead screw is provided with the horizontal pole, the both ends of horizontal pole respectively with a lateral wall fixed connection of adjacent mounting panel, the both ends lateral wall of two-way lead screw all has the riser through threaded connection, the equal sliding connection of riser is on the surface of horizontal pole, the bar opening has been seted up at the top of second disc, the bar opening all runs through on the top of riser, a lateral wall of riser all is fixed with the connecting rod, the one end of connecting rod all is fixed with.
The 3D printing equipment has the advantages that the freedom degree printing base platform is simple in structure and convenient to use, on the basis of the existing mature SLM principle, a long-strip-shaped (or named long base shaft) printing base platform is adopted, the workpiece is formed from inside to outside, each layer is on the same radius, laser scanning is only carried out selectively in the axial direction, the workpiece rotates by an angle corresponding to the width of one line after printing one line at the same radius, the whole circle of the same radius is printed, then the workpiece sinks by the thickness of one slice, the processes are continuously repeated, and the whole workpiece is manufactured; the printing of a plurality of parts can be completed on a single printing base station, so that the coaxial parts are integrally formed; multiple lasers can also be used to control multiple regions to operate together/partially (or even separately) to improve operating efficiency.
According to the rotary driving mechanism, the support plate, the two-way screw rod, the knob, the cross rod, the vertical plate, the connecting rod and the arc-shaped plate are arranged, so that a long-strip-shaped (or called long-shaped) printing base station can be conveniently and quickly fixed on the second disc, and the support plate, the rotating rod, the first disc, the driven gear, the servo motor, the driving gear and the stand column are arranged to drive the second disc to rotate, so that the printing base station can rotate, the requirements of processing symmetry and the like of some rotating parts are well met, and the quality of processed products is guaranteed; and is suitable for the printing requirement of the long strip (or long strip) printing base station.
Preferably, the lifting driving mechanism comprises an L-shaped fixing plate, a hydraulic rod and a hydraulic cylinder which are sequentially arranged from top to bottom;
the horizontal part of the L-shaped fixing plate is connected with the upper end of the hydraulic rod, the vertical part of the L-shaped fixing plate is connected with the bottom plate of the rotary driving mechanism, and the extension direction of the arc-shaped plate is perpendicular to that of the hydraulic rod.
The freedom degree printing base station of the 3D printing equipment has a simple structure and is convenient to use, the driving device adopts the ingenious combination of the rotary driving mechanism and the lifting driving mechanism, the driving device not only can move up and down, but also can rotate, the requirements of processing symmetry and the like of some rotating parts are well met, and the quality of processed products is ensured; and is suitable for the printing requirement of the long strip (or long strip) printing base station.
Preferably, the base body extends in a long shape, and a cross section (profile) at any position in an extending direction thereof is circular.
Preferably, the base body extends in a cylindrical shape.
Preferably, the base connecting part is in the shape of a cylinder.
Preferably, four sliding blocks are symmetrically fixed to the bottom of the first disc, an annular sliding groove is formed in the top of the supporting plate, and the four sliding blocks are connected in the annular sliding groove in a sliding mode.
Preferably, the two ends of the bidirectional screw rod are opposite in thread direction, two threaded holes corresponding to threads at two ends of the bidirectional screw rod are formed in one side wall of each vertical plate respectively, two ends of the bidirectional screw rod are connected with the threaded holes of the corresponding vertical plates respectively in a threaded mode, sliding holes are formed in one side wall of each vertical plate, and the cross rod penetrates through the sliding holes.
Preferably, the surface of the knob is provided with anti-skid lines.
Preferably, the surfaces of the arc-shaped plates, which are far away from the connecting rod, are fixed with anti-skidding rubber pads.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the 3D printing equipment has the advantages that the freedom degree printing base platform is simple in structure and convenient to use, on the basis of the existing mature SLM principle, a long-strip-shaped (or named long base shaft) printing base platform is adopted, the workpiece is formed from inside to outside, each layer is on the same radius, laser scanning is only carried out selectively in the axial direction, the workpiece rotates by an angle corresponding to the width of one line after printing one line at the same radius, the whole circle of the same radius is printed, then the workpiece sinks by the thickness of one slice, the processes are continuously repeated, and the whole workpiece is manufactured; the printing of a plurality of parts can be completed on a single printing base station, so that the coaxial parts are integrally formed; multiple lasers can also be used to control multiple regions to operate together/partially (or even separately) to improve operating efficiency.
The driving device adopts the ingenious combination of the rotary driving mechanism and the lifting driving mechanism, not only can move up and down, but also can rotate, thereby well meeting the requirements of processing symmetry and the like of some rotating parts and ensuring the quality of processed products; the strip-shaped (or long-shaped) printing base station is applicable to the printing requirement of the strip-shaped (or long-shaped) printing base station, the two ends of the drive of the printing base station can be synchronous and consistent, the supporting effect of the printing base station is more stable, and the working process is more stable.
According to the rotary driving mechanism, the support plate, the two-way screw rod, the knob, the cross rod, the vertical plate, the connecting rod and the arc-shaped plate are arranged, so that a long-strip-shaped (or called long-shaped) printing base station can be conveniently and quickly fixed on the second disc, and the support plate, the rotating rod, the first disc, the driven gear, the servo motor, the driving gear and the stand column are arranged to drive the second disc to rotate, so that the printing base station can rotate, the requirements of processing symmetry and the like of some rotating parts are well met, and the quality of processed products is guaranteed; and is suitable for the printing requirement of the long strip (or long strip) printing base station.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the overall structure of the rotary drive mechanism according to the present invention;
FIG. 3 is a schematic top view of the support plate of the present invention;
FIG. 4 is a schematic bottom view of the first disk of the present invention;
fig. 5 is a schematic side view of the riser of the present invention.
FIG. 6 is a schematic structural diagram of the lift driving mechanism according to the present invention;
FIG. 7 is a schematic structural view of the rotary driving mechanism and the lifting driving mechanism according to the present invention;
in the figure: 100. a rotation driving mechanism; 200. a lifting drive mechanism; 2. printing a base station; 201. a base station connecting part; 202. and a base body; 2021. printing a support surface; 5. a workpiece;
11. a base plate; 12. supporting legs; 13. a support plate; 14. a rotating rod; 15. a first disc; 16. a driven gear; 17. a servo motor; 18. a driving gear; 19. a column; 110. a second disc; 111. a mounting plate; 112. a bidirectional screw rod; 113. a knob; 114. a cross bar; 115. a vertical plate; 116. a strip-shaped through opening; 117. a connecting rod; 118. an arc-shaped plate; 119. a slider; 120. an annular chute; 121. a threaded hole; 122. a slide hole; 123. an anti-skid rubber pad;
211. an L-shaped fixing plate; 210. a hydraulic lever; 29. a hydraulic cylinder; 2111. a horizontal portion; 2112. a vertical portion.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 7, a freedom degree printing base of a 3D printing apparatus includes a printing base, two ends of the printing base are respectively connected to two driving devices working synchronously, and the driving devices include a rotation driving mechanism and a lifting driving mechanism;
the printing base station comprises a base station connecting part and a base station body; the base station connecting part plays a role in connection and fixation; the base station body extends in a long strip shape, and the circumferential surface of the base station body in the extending direction is a printing support surface;
the rotary driving mechanism is connected with the base station connecting part and is used for driving the printing base station to rotate;
the upper part of the lifting driving mechanism is connected with the rotary driving mechanism, and the lifting direction of the lifting driving mechanism is mutually vertical to the axial direction of a rotating rod of the rotary driving mechanism;
the rotary driving mechanism comprises a bottom plate, supporting legs are fixed at four corners of the top of the bottom plate, a supporting plate is arranged above the bottom plate, the tops of the supporting legs are fixedly connected with the bottom of the supporting plate, the top of the bottom plate is rotatably connected with a rotating rod through a bearing, the top end of the rotating rod penetrates through the top of the supporting plate and is fixedly provided with a first disc, the top end of the rotating rod is rotatably connected with the supporting plate through a bearing, a driven gear is fixedly sleeved on the surface of the rotating rod, a servo motor is fixed at the top of the bottom plate, a driving gear is fixed on an output shaft of the servo motor and is meshed with the driving gear, four stand columns are symmetrically fixed at the top of the first disc, a second disc is arranged above the first disc, the tops of the stand columns are fixedly connected with the bottom of the second disc, and support plates are symmetrically fixed at the top of the first disc, the top of first disc is provided with two-way lead screw, the both ends of two-way lead screw all rotate with a lateral wall of adjacent mounting panel respectively through the bearing and are connected, the one end of two-way lead screw runs through a lateral wall of adjacent mounting panel and is fixed with the knob, the below of two-way lead screw is provided with the horizontal pole, the both ends of horizontal pole respectively with a lateral wall fixed connection of adjacent mounting panel, the both ends lateral wall of two-way lead screw all has the riser through threaded connection, the equal sliding connection of riser is on the surface of horizontal pole, the bar opening has been seted up at the top of second disc, the bar opening all runs through on the top of riser, a lateral wall of riser all is fixed with the connecting rod, the one end of connecting rod all is fixed with.
Example 2:
as shown in fig. 1 to 7, a freedom degree printing base of a 3D printing apparatus includes a printing base, two ends of the printing base are respectively connected to two driving devices working synchronously, and the driving devices include a rotation driving mechanism and a lifting driving mechanism;
it is right like this the drive of printing the base station can accomplish that both ends are synchronous unanimous, right the supporting role of printing the base station is more firm, and the working process is more stable.
In addition, the printing of a plurality of parts can be completed on a single printing base station, so that the coaxial parts are integrally molded; multiple lasers can also be used to control multiple regions to operate together/partially (or even separately) to improve operating efficiency.
The printing base station comprises a base station connecting part and a base station body; the base station connecting part plays a role in connection and fixation; the base station body extends in a long strip shape, and the circumferential surface of the base station body in the extending direction is a printing support surface;
the rotary driving mechanism is connected with the base station connecting part and is used for driving the printing base station to rotate;
the upper part of the lifting driving mechanism is connected with the rotary driving mechanism, and the lifting direction of the lifting driving mechanism is mutually vertical to the axial direction of a rotating rod of the rotary driving mechanism;
the rotary driving mechanism, please refer to fig. 2 to 5, comprises a bottom plate, wherein supporting legs are fixed at four corners of the top of the bottom plate, a supporting plate is arranged above the bottom plate, the tops of the supporting legs are fixedly connected with the bottom of the supporting plate, the top of the bottom plate is rotatably connected with a rotating rod through a bearing, the top end of the rotating rod penetrates through the top of the supporting plate and is fixedly provided with a first disc, the top end of the rotating rod is rotatably connected with the supporting plate through a bearing, a driven gear is sleeved and fixed on the surface of the rotating rod, a servo motor is fixed at the top of the bottom plate, an output shaft of the servo motor is fixed with a driving gear, the driving gear is meshed and connected with the driven gear, four upright posts are symmetrically fixed at the top of the first disc, a second disc is arranged above the first disc, the tops of the upright posts are fixedly connected with the bottom of the second disc, the both ends of two-way lead screw all rotate with a lateral wall of adjacent mounting panel respectively through the bearing to be connected, the one end of two-way lead screw runs through a lateral wall of adjacent mounting panel and is fixed with the knob, the below of two-way lead screw is provided with the horizontal pole, the both ends of horizontal pole respectively with a lateral wall fixed connection of adjacent mounting panel, the both ends lateral wall of two-way lead screw all has the riser through threaded connection, the equal sliding connection of riser is on the surface of horizontal pole, the bar opening has been seted up at the top of second disc, the bar opening all runs through on the top of riser, a lateral wall of riser all is fixed with the connecting rod, the one end of connecting.
In the embodiment, the support plate, the bidirectional screw rod, the knob, the cross rod, the vertical plate, the connecting rod and the arc plate are arranged, so that a long-strip-shaped (or called long-shaped) printing base station can be conveniently and quickly fixed on the second disc, and the second disc can be driven to rotate by arranging the support plate, the rotating rod, the first disc, the driven gear, the servo motor, the driving gear and the stand column, so that the printing base station can rotate, the requirements of processing symmetry and the like of some rotating parts are well met, and the quality of processed products is ensured; and is suitable for the printing requirement of the long strip (or long strip) printing base station.
Referring to fig. 6, the lifting driving mechanism includes an L-shaped fixing plate, a hydraulic rod and a hydraulic cylinder which are sequentially arranged from top to bottom;
the horizontal part of the L-shaped fixing plate is connected with the upper end of the hydraulic rod, the vertical part of the L-shaped fixing plate is connected with the bottom plate of the rotary driving mechanism, and the extension direction of the arc-shaped plate is perpendicular to that of the hydraulic rod.
In this embodiment, the pneumatic cylinder during operation can drive hydraulic stem and L type fixed plate and reciprocate.
Specifically, four sliders are symmetrically fixed to the bottom of the first disc, an annular sliding groove is formed in the top of the supporting plate, and the four sliders are connected in the annular sliding groove in a sliding mode.
In this embodiment, the four sliding blocks are symmetrically fixed at the bottom of the first disk, and the annular sliding groove is formed at the top of the supporting plate, so that the first disk can stably rotate on the supporting plate.
Specifically, the two ends of the bidirectional screw rod are opposite in thread direction, threaded holes corresponding to threads at two ends of the bidirectional screw rod are formed in one side wall of each of the two vertical plates respectively, two ends of the bidirectional screw rod are connected with the threaded holes of the corresponding vertical plates respectively in a threaded mode, sliding holes are formed in one side wall of each vertical plate, and the cross rod penetrates through the sliding holes.
In this embodiment, set up respectively with the corresponding screw hole of two-way lead screw both ends screw thread for the lateral wall of two risers, be in order to cooperate with two-way lead screw, all seted up the slide opening through a lateral wall at the riser, be in order to make the horizontal pole can be smooth pass the riser to when two-way lead screw rotates, can drive two risers toward opposite direction motion.
Specifically, the surface of the knob is provided with anti-skid lines.
In this embodiment, set up anti-skidding line through the surface at the knob, can play better anti-skidding effect to be convenient for people to rotate the knob.
Specifically, the surfaces of the arc-shaped plates, which are far away from the connecting rod, are fixed with anti-skidding rubber pads.
In this embodiment, through the fixed surface anti-skidding rubber pad at the arc, can play better anti-skidding effect to can be fixed more firm with the printing base station.
When the rotary driving mechanism is used, the end part of the rotary driving mechanism is placed on a second disc for printing a base station (a base shaft, the periphery of the rotary driving mechanism is an annular printing base station), the arc-shaped plate and the anti-skidding rubber pad are located on the inner side of a base station connecting part of the printing base station, then the knob is rotated, the knob can drive the bidirectional screw rod to rotate, the bidirectional screw rod can drive the two vertical plates to move towards the outer side, so that the anti-skidding rubber pad can be driven to be tightly abutted against the inner wall of the base station connecting part, the printing base station can be fixed on the second disc, then the servo motor is started, the servo motor can drive the driving gear to rotate, the driving gear can drive the driven gear to rotate, and therefore the first disc can be driven to.
According to the description and the drawings of the invention, the freedom printing base station of the 3D printing device of the invention can be easily manufactured or used by the skilled person, and the positive effects recorded by the invention can be generated.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (9)
1. The utility model provides a base station is printed to 3D printing apparatus's degree of freedom which characterized in that: the printing device comprises a printing base platform (2), wherein two ends of the printing base platform (2) are respectively connected with two driving devices which work synchronously, and each driving device comprises a rotary driving mechanism (100) and a lifting driving mechanism (200);
the printing base (2) comprises a base connecting part (201) and a base body (202); the base station connecting part (201) plays a role in connecting and fixing; the base station body (202) extends in a long strip shape, and the circumferential surface of the base station body in the extending direction is a printing support surface (2021);
the rotary driving mechanism (100) is connected with the base station connecting part (201) and is used for driving the printing base station (2) to rotate;
the upper part of the lifting driving mechanism (200) is connected with the rotary driving mechanism (100), and the lifting direction of the lifting driving mechanism (200) is mutually vertical to the axial direction of a rotating rod (14) of the rotary driving mechanism (100);
the rotary driving mechanism (100) comprises a bottom plate (11), supporting legs (12) are fixed to four corners of the top of the bottom plate (11), a supporting plate (13) is arranged above the bottom plate (11), the tops of the supporting legs (12) are fixedly connected with the bottom of the supporting plate (13), a rotating rod (14) is rotatably connected to the top of the bottom plate (11) through a bearing, the top end of the rotating rod (14) penetrates through the top of the supporting plate (13) and is fixedly provided with a first disc (15), the top end of the rotating rod (14) is rotatably connected with the supporting plate (13) through a bearing, a driven gear (16) is fixedly arranged on the surface of the rotating rod (14), a servo motor (17) is fixed to the top of the bottom plate (11), a driving gear (18) is fixed to an output shaft of the servo motor (17), and the driving gear (18) is meshed with the driven gear (16), the top of the first disc (15) is symmetrically fixed with four upright posts (19), the second disc (110) is arranged above the first disc (15), the tops of the upright posts (19) are fixedly connected with the bottom of the second disc (110), the top of the first disc (15) is symmetrically fixed with support plates (111), a bidirectional screw rod (112) is arranged above the first disc (15), two ends of the bidirectional screw rod (112) are respectively and rotatably connected with one side wall of the adjacent support plate (111) through bearings, one end of the bidirectional screw rod (112) penetrates through one side wall of the adjacent support plate (111) and is fixed with a knob (113), a cross rod (114) is arranged below the bidirectional screw rod (112), two ends of the cross rod (114) are respectively and fixedly connected with one side wall of the adjacent support plate (111), two outer side walls of the bidirectional screw rod (112) are respectively and connected with a vertical plate (115) through threads, the equal sliding connection of riser (115) is on the surface of horizontal pole (114), bar opening (116) have been seted up at the top of second disc (110), bar opening (116) all are run through on the top of riser (115), a lateral wall of riser (115) all is fixed with connecting rod (117), the one end of connecting rod (117) all is fixed with arc (118).
2. The 3D printing device's degree of freedom printing base station of claim 1, wherein: the lifting driving mechanism (200) comprises an L-shaped fixing plate (211), a hydraulic rod (210) and a hydraulic cylinder (29) which are sequentially arranged from top to bottom;
the horizontal part (2111) of the L-shaped fixing plate (211) is connected with the upper end of the hydraulic rod (210), the vertical part (2112) is connected with the bottom plate (11) of the rotary driving mechanism (100), and the extension direction of the arc-shaped plate (118) is perpendicular to the extension direction of the hydraulic rod (210).
3. The 3D printing device's degree of freedom printing base station of claim 1, wherein: the base station body (202) extends in a long strip shape, and the cross section of any position of the extension direction of the base station body is circular.
4. The 3D printing device's degree of freedom printing base station of claim 1, wherein: the base body (202) extends in a cylindrical shape.
5. The 3D printing device's degree of freedom printing base station of claim 1, wherein: the base connecting part (201) is in an original cylinder shape.
6. The 3D printing device's degree of freedom printing base station of claim 1, wherein: four sliding blocks (119) are symmetrically fixed to the bottom of the first disc (15), an annular sliding groove (120) is formed in the top of the supporting plate (13), and the four sliding blocks (119) are connected in the annular sliding groove (120) in a sliding mode.
7. The 3D printing device's degree of freedom printing base station of claim 1, wherein: two-way lead screw (112) both ends screw thread opposite direction, two screw hole (121) corresponding with two-way lead screw (112) both ends screw thread are seted up respectively to a lateral wall of riser (115), the both ends of two-way lead screw (112) respectively with screw hole (121) threaded connection of corresponding riser (115), slide opening (122) have all been seted up to a lateral wall of riser (115), horizontal pole (114) run through slide opening (122).
8. The 3D printing device's degree of freedom printing base station of claim 1, wherein: the surface of the knob (113) is provided with anti-skid grains.
9. The 3D printing device's degree of freedom printing base station of claim 1, wherein: and anti-skid rubber pads (123) are fixed on the surfaces of the arc-shaped plates (118) far away from the connecting rod (117).
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| CN202011079648.4A CN112024883A (en) | 2020-10-10 | 2020-10-10 | 3D printing apparatus's degree of freedom prints base station |
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| CN202011079648.4A CN112024883A (en) | 2020-10-10 | 2020-10-10 | 3D printing apparatus's degree of freedom prints base station |
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