CN112024881A - Driving device of freedom printing base station for 3D printing equipment - Google Patents
Driving device of freedom printing base station for 3D printing equipment Download PDFInfo
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- CN112024881A CN112024881A CN202011078837.XA CN202011078837A CN112024881A CN 112024881 A CN112024881 A CN 112024881A CN 202011078837 A CN202011078837 A CN 202011078837A CN 112024881 A CN112024881 A CN 112024881A
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- 238000007639 printing Methods 0.000 title claims abstract description 74
- 238000010146 3D printing Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 110
- 230000002457 bidirectional effect Effects 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
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- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002184 metal 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
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Abstract
The invention discloses a driving device of a freedom degree printing base platform for 3D printing equipment, which comprises a first driving mechanism and a second driving mechanism which are oppositely arranged; the first driving mechanism comprises a rotary driving mechanism and a lifting driving mechanism; the second driving mechanism comprises a lifting driving mechanism; the lifting driving mechanisms comprise L-shaped fixing plates, hydraulic rods and hydraulic cylinders which are arranged from top to bottom in sequence; the horizontal part of an L-shaped fixed plate of a lifting driving mechanism of the first driving mechanism is connected with the upper end of a hydraulic rod, and the vertical part of the lifting driving mechanism of the first driving mechanism is connected with a bottom plate of a rotating driving mechanism; the horizontal part of the L-shaped fixing plate of the lifting driving mechanism of the second driving mechanism is connected with the upper end of the hydraulic rod, and the middle part of the vertical part is provided with a supporting bearing. The invention is suitable for the strip-shaped (or called long base shaft) printing base station, so that the workpiece is formed from inside to outside, each layer is on the same radius, the printing of a plurality of parts can be completed on a single printing base station, and the working efficiency is high.
Description
Technical Field
The invention relates to the technical field of SLM (Selective laser melting) equipment, in particular to a driving device of a freedom degree printing base station for 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 need to meet the characteristic of axial symmetry and have equal diameter in the radial direction, and the requirements of axial symmetry including manufacturing process and the like are met.
However, the conventional driving device for the 3D printing apparatus with the freedom degree printing base has the following problems:
1. generally, the printing can only be carried out up and down and layer by layer, and the requirement of axial symmetry is difficult to meet when some rotating parts are processed, so that the processed product is unqualified;
2. the freedom degree printing base station for the large long-axis type 3D printing equipment (printing of a plurality of parts can be completed on a single printing base station) cannot be well supported and driven to rotate and move up and down;
3. the printing device is only suitable for platform type printing bases and cannot meet the printing requirements of some cylindrical printing bases.
Based on the situation, the invention provides a driving device of a freedom degree printing base station for 3D printing equipment, which can effectively solve the problems.
Disclosure of Invention
The invention aims to provide a driving device of a freedom degree printing base platform for a 3D printing device. The driving device of the freedom degree printing base station for the 3D printing equipment has a simple structure, is convenient to use, adopts the ingenious combination of the rotary driving mechanism and the lifting driving mechanism, can move up and down, can rotate, well meets the requirements of processing symmetry and the like of some rotating parts, and ensures the quality of processed products; and is suitable for the printing requirement of the cylindrical 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 the cylindrical 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 cylindrical printing base station.
The invention is realized by the following technical scheme:
a driving device of a freedom degree printing base station for 3D printing equipment comprises a first driving mechanism and a second driving mechanism which are oppositely arranged;
the first driving mechanism comprises a rotary driving mechanism and a lifting driving mechanism; the second driving mechanism comprises a lifting driving mechanism;
the rotary driving mechanisms all comprise bottom plates, supporting legs are fixed at four corners of the tops of the bottom plates, supporting plates are arranged above the bottom plates, the tops of the supporting legs are fixedly connected with the bottoms of the supporting plates, rotating rods are rotatably connected to the tops of the bottom plates through bearings, the top ends of the rotating rods penetrate through the tops of the supporting plates and are fixedly provided with first disks, the top ends of the rotating rods are rotatably connected with the supporting plates through bearings, driven gears are fixedly sleeved on the surfaces of the rotating rods, servo motors are fixed to the tops of the bottom plates, driving gears are fixed to output shafts of the servo motors, the driving gears are meshed with the driven gears, four stand columns are symmetrically fixed to the tops of the first disks, second disks are arranged above the first disks, the tops of the stand columns are fixedly connected with the bottoms of the second disks, and support plates are symmetrically fixed to the tops of the first disks, the two-way screw rod is arranged above the first disc, two ends of the two-way screw rod are respectively and rotatably connected with one side wall of an adjacent support plate through bearings, one end of the two-way screw rod penetrates through one side wall of the adjacent support plate and is fixedly provided with a knob, a cross rod is arranged below the two-way screw rod, two ends of the cross rod are respectively and fixedly connected with one side wall of the adjacent support plate, outer side walls of two ends of the two-way screw rod are respectively connected with a vertical plate through threads, the vertical plates are all slidably connected to the surface of the cross rod, a strip-shaped through hole is formed in the top of the second disc, the top end of each vertical plate penetrates through the strip-shaped through hole, a connecting rod is fixed to one side wall of each;
the lifting driving mechanisms comprise L-shaped fixing plates, hydraulic rods and hydraulic cylinders which are arranged from top to bottom in sequence;
the horizontal part of the L-shaped fixed plate of the lifting driving mechanism of the first driving mechanism is connected with the upper end of the hydraulic rod, the vertical part of the lifting driving mechanism of the first driving mechanism is connected with the bottom plate of the rotating driving mechanism, and the extension direction of the arc-shaped plate is perpendicular to that of the hydraulic rod;
the horizontal part of the L-shaped fixing plate of the lifting driving mechanism of the second driving mechanism is connected with the upper end of the hydraulic rod, the middle part of the vertical part is provided with a supporting bearing, and the supporting bearing is arranged corresponding to the arc-shaped plate and is used for being respectively connected with two ends of a freedom degree printing base platform for 3D printing equipment.
The driving device of the freedom degree printing base station for the 3D printing equipment has a simple structure, is convenient to use, adopts the ingenious combination of the rotary driving mechanism and the lifting driving mechanism, can move up and down, can rotate, well meets the requirements of processing symmetry and the like of some rotating parts, and ensures the quality of processed products; and is suitable for the printing requirement of the cylindrical 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 the cylindrical 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 cylindrical printing base station.
Preferably, the first driving mechanism and the second driving mechanism are detachably mounted on the base.
Therefore, the installation and the disassembly are convenient, and the distance between the first driving mechanism and the second driving mechanism is convenient to adjust.
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 driving device for the free degree printing base station for the 3D printing equipment is simple in structure and convenient to use, is suitable for a long-strip-shaped (or long-shaped base shaft) printing base station on the existing mature SLM principle, so that the workpiece is formed from inside to outside, each layer is on the same radius, laser scanning is selectively carried out only 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, a slice is sunk by thickness after the whole circle printing at the same radius is finished, and the process is continuously repeated to finish the manufacturing of the whole workpiece; 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.
When the driving device of the freedom degree printing base station for the 3D printing equipment works, the lifting driving mechanism of the first driving mechanism is linked with the lifting driving mechanism of the second driving mechanism (the hydraulic cylinder is linked to drive the hydraulic rod to be linked), so that the up-and-down movement of the freedom degree printing base station for the 3D printing equipment is realized; the rotary driving mechanism of the first driving mechanism drives the 3D printing equipment to rotate by using the freedom degree printing base platform, and the support bearing of the L-shaped fixed plate of the lifting driving mechanism of the second driving mechanism on the other side is matched and supported, so that the support bearing 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 demand of the tube-shape printing base station (namely 3D printing equipment printing base station with degree of freedom, can be the whole is cylindric, also can be the connecting portion of tip is cylindric).
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 the cylindrical 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 cylindrical printing base station.
Drawings
FIG. 1 is a first schematic structural diagram 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 second schematic structural diagram (reference state);
FIG. 8 is a schematic structural view of another embodiment of the lift driving mechanism according to the present invention;
fig. 9 is a schematic structural view of an L-shaped fixing plate according to the present invention.
In the figure: 1. a first drive mechanism; 2. a second drive mechanism; 100. a rotation driving mechanism; 200. a lifting drive mechanism; 202. and a base body; 2021. printing a support surface; 5. a workpiece; 2113. a support bearing; 3, a base;
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 9, a driving device for a 3D printing apparatus with a freedom degree printing base platform comprises a first driving mechanism and a second driving mechanism which are oppositely arranged;
the first driving mechanism comprises a rotary driving mechanism and a lifting driving mechanism; the second driving mechanism comprises a lifting driving mechanism;
the rotary driving mechanisms all comprise bottom plates, supporting legs are fixed at four corners of the tops of the bottom plates, supporting plates are arranged above the bottom plates, the tops of the supporting legs are fixedly connected with the bottoms of the supporting plates, rotating rods are rotatably connected to the tops of the bottom plates through bearings, the top ends of the rotating rods penetrate through the tops of the supporting plates and are fixedly provided with first disks, the top ends of the rotating rods are rotatably connected with the supporting plates through bearings, driven gears are fixedly sleeved on the surfaces of the rotating rods, servo motors are fixed to the tops of the bottom plates, driving gears are fixed to output shafts of the servo motors, the driving gears are meshed with the driven gears, four stand columns are symmetrically fixed to the tops of the first disks, second disks are arranged above the first disks, the tops of the stand columns are fixedly connected with the bottoms of the second disks, and support plates are symmetrically fixed to the tops of the first disks, the two-way screw rod is arranged above the first disc, two ends of the two-way screw rod are respectively and rotatably connected with one side wall of an adjacent support plate through bearings, one end of the two-way screw rod penetrates through one side wall of the adjacent support plate and is fixedly provided with a knob, a cross rod is arranged below the two-way screw rod, two ends of the cross rod are respectively and fixedly connected with one side wall of the adjacent support plate, outer side walls of two ends of the two-way screw rod are respectively connected with a vertical plate through threads, the vertical plates are all slidably connected to the surface of the cross rod, a strip-shaped through hole is formed in the top of the second disc, the top end of each vertical plate penetrates through the strip-shaped through hole, a connecting rod is fixed to one side wall of each;
the lifting driving mechanisms comprise L-shaped fixing plates, hydraulic rods and hydraulic cylinders which are arranged from top to bottom in sequence;
the horizontal part of the L-shaped fixed plate of the lifting driving mechanism of the first driving mechanism is connected with the upper end of the hydraulic rod, the vertical part of the lifting driving mechanism of the first driving mechanism is connected with the bottom plate of the rotating driving mechanism, and the extension direction of the arc-shaped plate is perpendicular to that of the hydraulic rod;
the horizontal part of the L-shaped fixing plate of the lifting driving mechanism of the second driving mechanism is connected with the upper end of the hydraulic rod, the middle part of the vertical part is provided with a supporting bearing, and the supporting bearing and the arc-shaped plate are correspondingly arranged (namely the central axis of the supporting bearing is coincided with the central axis of the arc-shaped plate, refer to fig. 1) and are used for being respectively connected with two ends of the freedom degree printing base platform for the 3D printing equipment (refer to fig. 7).
Example 2:
as shown in fig. 1 to 9, a driving device for a 3D printing apparatus with a freedom degree printing base platform comprises a first driving mechanism and a second driving mechanism which are oppositely arranged;
the first driving mechanism comprises a rotary driving mechanism and a lifting driving mechanism; the second driving mechanism comprises a lifting 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 two ends of the bidirectional screw rod are respectively and rotatably connected with one side wall of an adjacent support plate through bearings, one end of the bidirectional screw rod penetrates through one side wall of the adjacent support plate and is fixedly provided with a knob, a cross rod is arranged below the bidirectional screw rod, the two ends of the cross rod are respectively and fixedly connected with one side wall of the adjacent support plate, the outer side walls of the two ends of the bidirectional screw rod are respectively connected with a vertical plate through threads, the vertical plates are all in sliding connection with the surface of the cross rod, the top of a second disc is provided with a strip-shaped through hole, the top ends of the vertical plates are all penetrated through the strip-shaped through holes, one side wall of each vertical;
in the embodiment, the cylindrical printing base can be conveniently and quickly fixed on the second disc by arranging the support plate, the two-way screw rod, the knob, the cross rod, the vertical plate, the connecting rod and the arc-shaped plate, 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 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 cylindrical 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 fixed plate of the lifting driving mechanism of the first driving mechanism is connected with the upper end of the hydraulic rod, the vertical part of the lifting driving mechanism of the first driving mechanism is connected with the bottom plate of the rotating driving mechanism, and the extension direction of the arc-shaped plate is perpendicular to that of the hydraulic rod;
the horizontal part of the L-shaped fixing plate of the lifting driving mechanism of the second driving mechanism is connected with the upper end of the hydraulic rod, the middle part of the vertical part is provided with a supporting bearing, and the supporting bearing and the arc-shaped plate are correspondingly arranged (namely the central axis of the supporting bearing is coincided with the central axis of the arc-shaped plate, refer to fig. 1) and are used for being respectively connected with two ends of the freedom degree printing base platform for the 3D printing equipment (refer to fig. 7).
In this embodiment, the pneumatic cylinder during operation can drive hydraulic stem and L type fixed plate and reciprocate.
Specifically, the first driving mechanism and the second driving mechanism are detachably mounted on the base.
Therefore, the installation and the disassembly are convenient, and the distance between the first driving mechanism and the second driving mechanism is convenient to adjust.
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 printing base station 2 (base shaft) with the end part as the cylinder shape is placed on the second disc, the arc-shaped plate and the anti-skidding rubber pad are located on the inner side of the printing base station of the cylinder shape, 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 printing base station of the cylinder shape, the printing base station of the cylinder shape 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, so that the first disc can be driven to rotate, the printing base station of the cylinder shape can rotate, and annular printing work.
According to the description and the drawings of the present invention, those skilled in the art can easily manufacture or use the driving device of the 3D printing apparatus printing base with freedom degree of the present invention, and can produce the positive effects described in the present invention.
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 (6)
1. The utility model provides a 3D printing apparatus prints drive arrangement of base station with degree of freedom which characterized in that: comprises a first driving mechanism (1) and a second driving mechanism (2) which are oppositely arranged;
the first driving mechanism (1) comprises a rotary driving mechanism (100) and a lifting driving mechanism (200); the second driving mechanism (2) comprises a lifting driving mechanism (200);
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 fixed 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 vertical plates (115) are connected to the surface of the cross rod (114) in a sliding mode, strip-shaped through holes (116) are formed in the top of the second disc (110), the top ends of the vertical plates (115) penetrate through the strip-shaped through holes (116), connecting rods (117) are fixed to one side walls of the vertical plates (115), and arc-shaped plates (118) are fixed to one ends of the connecting rods (117);
the lifting driving mechanisms (200) respectively comprise an L-shaped fixing plate (211), a hydraulic rod (210) and a hydraulic cylinder (29) which are sequentially arranged from top to bottom;
wherein the horizontal part (2111) of the L-shaped fixed plate (211) of the lifting driving mechanism (200) of the first driving mechanism (1) is connected with the upper end of the hydraulic rod (210), the vertical part (2112) is connected with the bottom plate (11) of the rotating driving mechanism (100), and the extension direction of the arc-shaped plate (118) is vertical to the extension direction of the hydraulic rod (210);
the horizontal part (2111) of the L-shaped fixing plate (211) of the lifting driving mechanism (200) of the second driving mechanism (2) is connected with the upper end of the hydraulic rod (210), the middle part of the vertical part (2112) is provided with a supporting bearing (2113), and the supporting bearing (2113) is arranged corresponding to the arc-shaped plate (118) and is used for being respectively connected with two ends of the freedom printing base platform for the 3D printing equipment.
2. The driving device for a degree-of-freedom printing base for a 3D printing apparatus according to claim 1, characterized in that: the first driving mechanism (1) and the second driving mechanism (2) are detachably mounted on the base (3).
3. The driving device for a degree-of-freedom printing base for a 3D printing apparatus according to claim 1, characterized in that: 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.
4. The driving device for a degree-of-freedom printing base for a 3D printing apparatus according to claim 1, characterized in that: 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).
5. The driving device for a degree-of-freedom printing base for a 3D printing apparatus according to claim 1, characterized in that: the surface of the knob (113) is provided with anti-skid grains.
6. The driving device for a degree-of-freedom printing base for a 3D printing apparatus according to claim 1, characterized in that: 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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| Application Number | Priority Date | Filing Date | Title |
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| CN202011078837.XA CN112024881A (en) | 2020-10-10 | 2020-10-10 | Driving device of freedom printing base station for 3D printing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011078837.XA CN112024881A (en) | 2020-10-10 | 2020-10-10 | Driving device of freedom printing base station for 3D printing equipment |
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| CN112024881A true CN112024881A (en) | 2020-12-04 |
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| CN202011078837.XA Pending CN112024881A (en) | 2020-10-10 | 2020-10-10 | Driving device of freedom printing base station for 3D printing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112917896A (en) * | 2021-01-22 | 2021-06-08 | 东莞市宏鑫三维科技有限公司 | Rapid 3D printing device and using method thereof |
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