CN110238393B - Three-dimensional dynamic focusing printing device and method based on laser 3d printing technology - Google Patents

Three-dimensional dynamic focusing printing device and method based on laser 3d printing technology Download PDF

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Publication number
CN110238393B
CN110238393B CN201910535029.2A CN201910535029A CN110238393B CN 110238393 B CN110238393 B CN 110238393B CN 201910535029 A CN201910535029 A CN 201910535029A CN 110238393 B CN110238393 B CN 110238393B
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fixedly connected
laser
box body
dynamic focusing
printing device
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CN110238393A (en
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石辉辉
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Jiangxi Keou Technology Co ltd
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Jiangxi Keou Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/22—Driving means
    • B22F12/226—Driving means for rotary motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/40—Radiation means
    • B22F12/44—Radiation means characterised by the configuration of the radiation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/40—Radiation means
    • B22F12/49—Scanners
    • 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
    • B33Y10/00—Processes of additive manufacturing
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Abstract

The invention provides a three-dimensional dynamic focusing printing device and method based on a laser 3d printing technology. The three-dimensional dynamic focusing printing device and method based on the laser 3d printing technology comprise a base, wherein supporting plates are fixedly connected to two sides of the top of the base, a box body is fixedly connected between the tops of two opposite sides of the supporting plates, a sliding rod is fixedly connected to the right side of the inner wall of the box body, a sliding block is fixedly connected to the surface of the sliding rod, a dynamic focusing mirror is fixedly connected to the top of the sliding block, and a swing motor is fixedly connected to the left side of the top of the inner wall of the box body. According to the three-dimensional dynamic focusing printing device and method based on the laser 3d printing technology, the limiting rod is moved, one end of the limiting rod is far away from the clamping groove, the rotating disc is rotated, the rotating disc drives the focusing mirror to rotate, the focusing mirrors with different scanning areas are used according to actual use conditions, the device and method are suitable for different use environments, and marking processing can be carried out on different objects.

Description

Three-dimensional dynamic focusing printing device and method based on laser 3d printing technology
Technical Field
The invention relates to the technical field of 3d printing, in particular to a three-dimensional dynamic focusing printing device and method based on a laser 3d printing technology.
Background
One of the 3D printing, i.e., rapid prototyping, is a technology for constructing an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file, and the 3D printing is generally implemented by using a digital technical material printer, and is generally used for manufacturing models in the fields of mold manufacturing, industrial design, etc., and then gradually used for direct manufacturing of some products, and there are already parts printed by using this technology, which are applied to the fields of jewelry, footwear, industrial design, construction, engineering and construction (AEC), automobile, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and others.
Current three-dimensional dynamic focus printing device based on laser 3d printing technique when using, is not convenient for change the regulation to focusing mirror, can't satisfy different printing demands, and the practicality is lower.
Therefore, it is necessary to provide a three-dimensional dynamic focus printing apparatus and method based on laser 3d printing technology to solve the above technical problems.
Disclosure of Invention
The invention provides a three-dimensional dynamic focusing printing device and method based on a laser 3d printing technology, and solves the problems that a focusing mirror is inconvenient to replace and adjust when the existing three-dimensional focusing printing device based on the laser 3d printing technology is used, different printing requirements cannot be met, and the practicability is low.
In order to solve the technical problems, the three-dimensional dynamic focusing printing device based on the laser 3d printing technology comprises a base, wherein supporting plates are fixedly connected to two sides of the top of the base, a box body is fixedly connected between the tops of two opposite sides of the supporting plates, a sliding rod is fixedly connected to the right side of the inner wall of the box body, a sliding block is connected to the surface of the sliding rod in a sliding manner, a dynamic focusing mirror is fixedly connected to the top of the sliding block, a swing motor is fixedly connected to the left side of the top of the inner wall of the box body, an XY scanning galvanometer is arranged on an output shaft of the swing motor, the top of the box body is rotatably connected with a rotating disc through a support, a plurality of focusing mirrors are arranged on the surface of the rotating disc, straight plates are fixedly connected to two sides of the top of the box body and positioned on two sides of the rotating disc, and limiting mechanisms are fixedly connected to the tops of two opposite sides of the straight plates, the two sides of the top of the box body are located on one side, separated from the two straight plates, of the two sides of the top of the box body and are fixedly connected with fixing mechanisms, and dust covers are arranged between the inner portions of the fixing mechanisms.
Preferably, the right side of the box body is provided with a laser beam inlet, and the left side of the bottom of the box body penetrates through the field lens.
Preferably, the left end fixedly connected with stopper of slide bar, the bottom fixedly connected with connecting plate of slide block, the bottom of connecting plate and the bottom sliding connection of box inner wall.
Preferably, the bottom fixedly connected with connecting block of box inner wall, the right side fixedly connected with hydraulic telescoping rod of connecting block, hydraulic telescoping rod's right-hand member and the left side fixed connection of connecting plate.
Preferably, the two sides of the bottom of the base are fixedly connected with mounting blocks, and mounting holes are formed in the mounting blocks.
Preferably, the limiting mechanism comprises a limiting frame, one side of the limiting frame is fixedly connected with the top of one side of the straight plate, a sliding plate is connected between the top and the bottom of the inner wall of the limiting frame in a sliding manner, a limiting rod is fixedly connected to one side of the sliding plate, and one end of the limiting rod sequentially penetrates through one side of the limiting frame, the rotating disc and extends into the rotating disc.
Preferably, a first spring is fixedly connected between the other side of the sliding plate and one side of the inner wall of the limiting frame, and a clamping groove matched with the limiting rod for use is formed in the rotating disc.
Preferably, fixed establishment includes fixed frame, the bottom of fixed frame and one side fixed connection at box top, the equal sliding connection in both sides of fixed frame inner wall bottom has the grip block, the first turning block of the top of grip block one side and the equal fixedly connected with in bottom, the equal sliding connection in top and the bottom of fixed frame inner wall both sides has the second turning block.
Preferably, one side of the first rotating block is rotatably connected with a connecting rod, one end, far away from the first rotating block, of the connecting rod is rotatably connected with one side of the second rotating block, and a second spring is fixedly connected between the two opposite sides of the second rotating block.
A use method of a three-dimensional dynamic focusing printing device based on a laser 3d printing technology comprises the following use steps:
the first step is as follows: placing an object to be printed on the base and under the field lens;
the second step is that: the dust cover is taken down, the limiting rod is moved at the same time, one end of the limiting rod is far away from the clamping groove, the rotating disc is rotated, the rotating disc drives the focusing mirror to rotate, the focusing mirrors with different scanning areas are used according to actual use conditions, the sliding plate is extruded through the elasticity of the first spring after adjustment, the limiting rod is extruded by the sliding plate, one end of the limiting rod is inserted into the clamping groove, and the rotating disc is kept stable;
the third step: the dust cover is inserted into the fixed frame, the second rotating block is extruded through the elasticity of the second spring, the connecting rod is extruded by the second rotating block, the first rotating block is extruded by the connecting rod, the clamping plates are extruded by the first rotating block, and the dust cover is fixed through the two clamping plates;
the fourth step: laser beam enters into the box by the laser beam import, in proper order through the dynamic focusing mirror, XY scanning shakes the mirror, focusing mirror and field lens, laser beam focuses on the surface of treating mark object, change the back-and-forth movement position of dynamic focusing mirror along with scanning position's difference, drive the connecting plate through hydraulic telescoping rod and remove, the connecting plate drives the slider and removes, the slider drives the dynamic focusing mirror and removes, thereby adjust the front and back position of dynamic focusing mirror, realize focus compensation through the distance between fine setting dynamic focusing mirror and the focusing mirror, make the facula diameter of the laser beam of keeping away from the initial point reach the same size with the facula of initial point once more, ensure the focus accuracy on the scanning plane.
Compared with the related art, the three-dimensional dynamic focusing printing device and method based on the laser 3d printing technology have the following beneficial effects:
the invention provides a three-dimensional dynamic focusing printing device and a method based on a laser 3d printing technology, wherein one end of a limiting rod is far away from a clamping groove by moving the limiting rod, a rotating disc is rotated, the rotating disc drives a focusing mirror to rotate, focusing mirrors with different scanning areas are used according to actual use conditions, the device is suitable for different use environments, different objects can be marked, after adjustment, a sliding plate is extruded by the elasticity of a first spring, the limiting rod is extruded by the sliding plate, one end of the limiting rod is inserted into the clamping groove, the rotating disc is kept stable, the focusing mirror is kept stable, the marking quality is improved, meanwhile, dust can be prevented from adhering to the focusing mirror and influencing the marking quality by using a dust cover, a second rotating block is extruded by the elasticity of a second spring, the connecting rod is extruded by the second rotating block, the connecting rod extrudes the first rotating block, and the clamping plate is extruded by the first rotating block, the dust cover is fixed through the two clamping plates, so that the dust cover is stable and not easy to fall off, the dust cover is convenient to take down, and the operation is simple and practical.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of a three-dimensional dynamic focusing printing apparatus and method based on laser 3d printing technology according to the present invention;
FIG. 2 is a schematic structural view of the limiting mechanism shown in FIG. 1;
FIG. 3 is a schematic structural view of the securing mechanism shown in FIG. 1;
fig. 4 is a schematic view of the structure of the rotating disk shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a base, 2, a supporting plate, 3, a box body, 4, a sliding rod, 5, a sliding block, 6, a dynamic focusing mirror, 7, a swing motor, 8, an XY scanning galvanometer, 9, a rotating disc, 10, a focusing mirror, 11, a straight plate, 12, a limiting mechanism, 121, a limiting frame, 122, a sliding plate, 123, a first spring, 124, a limiting rod, 13, a fixing mechanism, 131, a fixing frame, 132, a clamping plate, 133, a first rotating block, 134, a second rotating block, 135, a connecting rod, 136, a second spring, 14, a dust cover, 15, a laser beam inlet, 16, a field lens, 17, a limiting block, 18, a connecting plate, 19, a connecting block, 20, a hydraulic telescopic rod, 21, a mounting block, 22, a mounting hole, 23 and a clamping groove.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a three-dimensional dynamic focusing printing apparatus and method based on a laser 3d printing technology according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of the limiting mechanism shown in FIG. 1; FIG. 3 is a schematic structural view of the securing mechanism shown in FIG. 1; fig. 4 is a schematic view of the structure of the rotating disk shown in fig. 1. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology comprises a base 1, wherein supporting plates 2 are fixedly connected to two sides of the top of the base 1, a box body 3 is fixedly connected between the tops of two opposite sides of the supporting plates 2, a sliding rod 4 is fixedly connected to the right side of the inner wall of the box body 3, a sliding block 5 is connected to the surface of the sliding rod 4 in a sliding manner, a dynamic focusing mirror 6 is fixedly connected to the top of the sliding block 5, a swing motor 7 is fixedly connected to the left side of the top of the inner wall of the box body 3, an XY scanning galvanometer 8 is arranged on an output shaft of the swing motor 7, a rotating disc 9 is rotatably connected to the top of the box body 3 through a support, focusing mirrors 10 are arranged on the surface of the rotating disc 9, the number of the focusing mirrors 10 is multiple, the sizes of the focusing mirrors 10 are different, straight plates 11 are fixedly connected to, two equal fixedly connected with stop gear 12 in top of the relative one side of straight board 11, the both sides at box 3 top just are located the equal fixedly connected with fixed establishment 13 in one side that two straight boards 11 leave mutually, two be provided with dust cover 14 between fixed establishment 13's the inside.
The right side of the box body 3 is provided with a laser beam inlet 15, and the left side of the bottom of the box body 3 is penetrated with a field lens 16.
The left end fixedly connected with stopper 17 of slide bar 4, the bottom fixedly connected with connecting plate 18 of slide block 5, the bottom sliding connection of the bottom of connecting plate 18 and box 3 inner wall.
The bottom fixedly connected with connecting block 19 of 3 inner walls of box, the right side fixedly connected with hydraulic telescoping rod 20 of connecting block 19, the right-hand member of hydraulic telescoping rod 20 and the left side fixed connection of connecting plate 18.
The equal fixedly connected with installation piece 21 in both sides of base 1 bottom, seted up mounting hole 22 on the installation piece 21, can install the device in the assigned position through installation piece 21 and mounting hole 21.
The limiting mechanism 12 comprises a limiting frame 121, one side of the limiting frame 121 is fixedly connected with the top of one side of the straight plate 11, a sliding plate 122 is connected between the top and the bottom of the inner wall of the limiting frame 121 in a sliding manner, a limiting rod 124 is fixedly connected to one side of the sliding plate 122, and one end of the limiting rod 124 sequentially penetrates through one side of the limiting frame 121 and the rotating disc 9 and extends into the rotating disc 9.
A first spring 123 is fixedly connected between the other side of the sliding plate 122 and one side of the inner wall of the limiting frame 121, a clamping groove 23 matched with the limiting rod 124 for use is formed in the rotating disc 9, and the number of the clamping grooves 23 is consistent with that of the focusing lenses 10.
Fixed establishment 13 includes fixed frame 131, one side fixed connection at the bottom of fixed frame 131 and the box 3 top, the equal sliding connection in both sides of fixed frame 131 inner wall bottom has grip block 132, the first turning block 133 of the top of grip block 132 one side and the equal fixedly connected with in bottom, the equal sliding connection in top and the bottom of fixed frame 131 inner wall both sides has second turning block 134.
One side of the first rotating block 133 is rotatably connected with a connecting rod 135, one end of the connecting rod 135, which is far away from the first rotating block 133, is rotatably connected with one side of the second rotating block 134, and a second spring 136 is fixedly connected between the opposite sides of the two second rotating blocks 134.
A use method of a three-dimensional dynamic focusing printing device based on a laser 3d printing technology comprises the following use steps:
the first step is as follows: placing an object to be printed on the base 1 and right below the field lens 16;
the second step is that: the dust cover 14 is taken down, the limiting rod 124 is moved at the same time, one end of the limiting rod 124 is far away from the clamping groove 23, the rotating disc 9 is rotated, the rotating disc 9 drives the focusing mirror 10 to rotate, the focusing mirrors 10 with different scanning areas are used according to actual use conditions, the sliding plate 122 is extruded through the elastic force of the first spring 123 after adjustment, the limiting rod 124 is extruded by the sliding plate 122, one end of the limiting rod 124 is inserted into the clamping groove 23, and the rotating disc 9 is kept stable;
the third step: inserting the dust cover 14 into the fixed frame 131, pressing the second rotating block 134 by the elastic force of the second spring 136, pressing the connecting rod 135 by the second rotating block 134, pressing the first rotating block 133 by the connecting rod 135, pressing the clamping plates 132 by the first rotating block 133, and fixing the dust cover 14 by the two clamping plates 132;
the fourth step: laser beam enters the box 3 from the laser beam inlet 15, sequentially passes through the dynamic focusing mirror 6, the XY scanning galvanometer 8, the focusing mirror 10 and the field lens 16, the laser beam is focused on the surface of an object to be marked, the front-back movement position of the dynamic focusing mirror 6 is changed along with the difference of scanning positions, the connecting plate 18 is driven to move by the hydraulic telescopic rod 20, the connecting plate 18 drives the sliding block 5 to move, the sliding block 5 drives the dynamic focusing mirror 6 to move, thereby the front-back position of the dynamic focusing mirror 6 is adjusted, the focusing compensation is realized by finely adjusting the distance between the dynamic focusing mirror 6 and the focusing mirror 10, the diameter of a light spot of the laser beam far away from the original point is as large as that of the light spot of the original point again, and the focusing accuracy on a scanning plane is ensured.
The three-dimensional dynamic focusing printing device and method based on the laser 3d printing technology provided by the invention have the following working principles:
placing an object to be printed on the base 1 and under the field lens 16, taking down the dust cover 14, moving the limiting rod 124 at the same time, making one end of the limiting rod 124 far away from the clamping groove 23, rotating the rotating disc 9, the rotating disc 9 driving the focusing lens 10 to rotate, using the focusing lens 10 with different scanning areas according to the actual use condition, extruding the sliding plate 122 through the elasticity of the first spring 123 after adjustment, the sliding plate 122 extruding the limiting rod 124, making one end of the limiting rod 124 inserted into the clamping groove 23, making the rotating disc 9 stable, inserting the dust cover 14 into the fixed frame 131, extruding the second rotating block 134 through the elasticity of the second spring 136, the second rotating block 134 extruding the connecting rod 135, the connecting rod 135 extruding the first rotating block 133, the first rotating block 133 extruding the clamping plate 132, fixing the dust cover 14 through the two clamping plates 132, and allowing the laser beam to enter the box body 3 through the laser beam inlet 15, the laser beam sequentially passes through the dynamic focusing mirror 6, the XY scanning galvanometer 8, the focusing mirror 10 and the field lens 16, the laser beam is focused on the surface of an object to be marked, the front and back movement position of the dynamic focusing mirror 6 is changed along with the difference of the scanning position, the connecting plate 18 is driven to move through the hydraulic telescopic rod 20, the connecting plate 18 drives the sliding block 5 to move, the sliding block 5 drives the dynamic focusing mirror 6 to move, the front and back position of the dynamic focusing mirror 6 is adjusted, the focusing compensation is realized by finely adjusting the distance between the dynamic focusing mirror 6 and the focusing mirror 10, the diameter of a light spot of the laser beam far away from the original point is as large as that of the light spot of the original point again, and the focusing accuracy on the scanning plane is ensured.
Compared with the related art, the three-dimensional dynamic focusing printing device and method based on the laser 3d printing technology have the following beneficial effects:
by moving the limiting rod 124, one end of the limiting rod 124 is far away from the clamping groove 23, the rotating disc 9 is rotated, the rotating disc 9 drives the focusing lens 10 to rotate, the focusing lens 10 with different scanning areas is used according to actual use conditions, the marking processing can be carried out on different objects, after adjustment, the sliding plate 122 is extruded by the elastic force of the first spring 123, the sliding plate 122 extrudes the limiting rod 124, one end of the limiting rod 124 is inserted into the clamping groove 23, the rotating disc 9 is kept stable, the focusing lens 10 is kept stable, the marking quality is improved, meanwhile, through the use of the dust cover 14, dust attached to the focusing lens 10 can be avoided from influencing the marking quality, the second rotating block 134 is extruded by the elastic force of the second spring 136, the connecting rod 135 is extruded by the second rotating block 134, the first rotating block 133 is extruded by the connecting rod 135, the clamping plate 132 is extruded by the first rotating block 133, the dust cover 14 is fixed through the two clamping plates 132, so that the dust cover 14 is stable and not easy to fall off, the dust cover 14 is convenient to take down, and the operation is simple and practical.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (9)

1. The utility model provides a three-dimensional dynamic focus printing device based on laser 3d printing technique, includes base (1), its characterized in that: the two sides of the top of the base (1) are fixedly connected with supporting plates (2), a box body (3) is fixedly connected between the tops of two opposite sides of the supporting plates (2), the right side of the inner wall of the box body (3) is fixedly connected with a sliding rod (4), the surface of the sliding rod (4) is slidably connected with a sliding block (5), the top of the sliding block (5) is fixedly connected with a dynamic focusing mirror (6), the left side of the top of the inner wall of the box body (3) is fixedly connected with a swing motor (7), an XY scanning galvanometer (8) is arranged on an output shaft of the swing motor (7), the top of the box body (3) is rotatably connected with a rotating disc (9) through a support, focusing mirrors (10) are arranged on the surface of the rotating disc (9), the number of the focusing mirrors (10) is multiple, straight plates (11) are fixedly connected on two sides of the top of the box body (3) and two sides of the rotating disc (9), two equal fixedly connected with stop gear (12) in top of the relative one side of straight board (11), the both sides at box (3) top just are located equal fixedly connected with fixed establishment (13) in one side that two straight boards (11) leave mutually, two be provided with dust cover (14) between the inside of fixed establishment (13).
2. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology according to claim 1, characterized in that a laser beam inlet (15) is opened on the right side of the box body (3), and a field lens (16) penetrates through the left side of the bottom of the box body (3).
3. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology as claimed in claim 1, wherein a limiting block (17) is fixedly connected to the left end of the sliding rod (4), a connecting plate (18) is fixedly connected to the bottom of the sliding block (5), and the bottom of the connecting plate (18) is slidably connected to the bottom of the inner wall of the box body (3).
4. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology is characterized in that a connecting block (19) is fixedly connected to the bottom of the inner wall of the box body (3), a hydraulic telescopic rod (20) is fixedly connected to the right side of the connecting block (19), and the right end of the hydraulic telescopic rod (20) is fixedly connected to the left side of the connecting plate (18).
5. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology according to claim 1, wherein mounting blocks (21) are fixedly connected to two sides of the bottom of the base (1), and mounting holes (22) are formed in the mounting blocks (21).
6. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology according to claim 1, wherein the limiting mechanism (12) comprises a limiting frame (121), one side of the limiting frame (121) is fixedly connected with the top of one side of the straight plate (11), a sliding plate (122) is slidably connected between the top and the bottom of the inner wall of the limiting frame (121), one side of the sliding plate (122) is fixedly connected with a limiting rod (124), and one end of the limiting rod (124) sequentially penetrates through one side of the limiting frame (121) and the rotating disc (9) and extends into the rotating disc (9).
7. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology according to claim 6, wherein a first spring (123) is fixedly connected between the other side of the sliding plate (122) and one side of the inner wall of the limiting frame (121), and a clamping groove (23) matched with the limiting rod (124) for use is formed in the rotating disc (9).
8. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology as claimed in claim 1, wherein the fixing mechanism (13) comprises a fixing frame (131), the bottom of the fixing frame (131) is fixedly connected with one side of the top of the box body (3), clamping plates (132) are slidably connected to both sides of the bottom of the inner wall of the fixing frame (131), first rotating blocks (133) are fixedly connected to the top and the bottom of one side of each clamping plate (132), and second rotating blocks (134) are slidably connected to the top and the bottom of both sides of the inner wall of the fixing frame (131).
9. The three-dimensional dynamic focusing printing device based on the laser 3d printing technology according to claim 8, wherein a connecting rod (135) is rotatably connected to one side of the first rotating block (133), one end of the connecting rod (135) far away from the first rotating block (133) is rotatably connected to one side of the second rotating block (134), and a second spring (136) is fixedly connected between the opposite sides of the two second rotating blocks (134).
CN201910535029.2A 2019-06-20 2019-06-20 Three-dimensional dynamic focusing printing device and method based on laser 3d printing technology Active CN110238393B (en)

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