CN214726520U - Precision-adjustable laser 3D printer - Google Patents
Precision-adjustable laser 3D printer Download PDFInfo
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- CN214726520U CN214726520U CN202120433856.3U CN202120433856U CN214726520U CN 214726520 U CN214726520 U CN 214726520U CN 202120433856 U CN202120433856 U CN 202120433856U CN 214726520 U CN214726520 U CN 214726520U
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Abstract
The utility model discloses a precision-adjustable laser 3D printer, the utility model relates to a laser 3D printer technical field, base upper surface center department has seted up the liquid material pond vertically downwards, the equal vertical upwards fixedly connected with riser in the left and right sides of base upper surface, the equal fixedly connected with montant step motor in the left and right sides of base upper end, the equal fixedly connected with of two montant step motor upper end surface center departments erects the screw rod, be equipped with the layer board in the liquid material pond, the equal fixedly connected with connecting rod in the left and right sides of layer board, the equal fixedly connected with screw thread section of thick bamboo in two connecting rod outer ends, two screw thread sections respectively with two perpendicular screw rod threaded connection; the upper end of the base is provided with a top plate; the beneficial effects of the utility model reside in that: the beam diameter of adjustment laser, great laser beam can be used for not meticulous 3D print job, improves and prints speed, and less laser beam can be used for meticulous 3D print job, improves and prints the precision, improves 3D print job efficiency through adjustment laser.
Description
Technical Field
The utility model belongs to the technical field of laser 3D printer technique and specifically relates to a precision adjustable laser 3D printer is related to.
Background
The laser 3D printing technology is one of emerging technologies, and is high-precision metal part laser 3D printing equipment which is in the lead in efficiency and the largest in printed part size in the world at present. The photocuring molding technology is a branch of the laser 3D printing technology, and is a three-dimensional printing molding technology which is the most deeply researched, the most mature and widely applied in the world at present. Photosensitive 3D printer includes the printer frame, the light source, print shaping platform and photosensitive resin groove, photosensitive 3D printer passes through vertical lift mechanism and drives print shaping platform can the up-and-down motion in photosensitive resin inslot, and the photosensitive resin inslot is equipped with light-cured resin, the light source is luminous in the top in photosensitive resin groove, photosensitive resin inslot polymerizes into the solid with light-contacted's light-cured resin in the twinkling of an eye like this, and the light-cured resin who does not with light-contacted then keeps liquid, just so successive layer produces three-dimensional object on print shaping platform and the relative plane in light-cured photosensitive resin groove. And common laser 3D printer is difficult to adjust the laser precision at any time, and the laser of single precision carries out 3D and prints the inefficiency down, consequently needs research and development a precision adjustable laser 3D printer.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that above-mentioned exists with not enough, provide a precision adjustable laser 3D printer.
In order to achieve the purpose, the adopted technical scheme is as follows:
a precision-adjustable laser 3D printer comprises a base, wherein a liquid tank is vertically and downwards arranged at the center of the upper surface of the base, vertical plates are vertically and upwards fixedly connected to the left side and the right side of the upper surface of the base, vertical rod stepping motors are fixedly connected to the left side and the right side of the upper end of the base, vertical threaded rods are fixedly connected to the centers of the upper end surfaces of the two vertical rod stepping motors, a supporting plate is arranged in the liquid tank, connecting rods are fixedly connected to the left side and the right side of the supporting plate, threaded cylinders are fixedly connected to the outer ends of the two connecting rods, and the two threaded cylinders are respectively sleeved outside the two vertical threaded rods and are in threaded connection with the two vertical threaded rods; the top plate is arranged at the upper end of the base, the left side and the right side of the bottom surface of the top plate are respectively fixedly connected with the top ends of the two vertical plates, a top plate groove is vertically and upwards formed in the center of the bottom surface of the top plate, a sliding rod and a transverse threaded rod are arranged in the top plate groove, the sliding rod is located at the upper end of the transverse threaded rod, the left end and the right end of the sliding rod are respectively fixedly connected with the inner walls of the left side and the right side of the top plate groove, a transverse rod stepping motor located on the right side of the top plate groove is fixedly connected in the top plate, the right end of the transverse threaded rod is fixedly connected with the center of the left side of the transverse rod stepping motor, a sliding block is arranged at the lower end of the top plate groove, the sliding rod is slidably connected with the sliding block, the transverse threaded rod is in threaded connection with the sliding block, a suspension rod is vertically and downwards fixedly connected with the bottom end of the sliding block, and a suspension plate is fixedly connected with the bottom end of the suspension rod; the upper surface of the suspension plate is fixedly connected with a first stepping motor positioned on the left side of the suspension rod, the upper surface of the suspension plate is fixedly connected with a second stepping motor positioned on the right side of the suspension rod, the center of the bottom surface of the first stepping motor is vertically and downwards fixedly connected with a lens main rod, the center of the bottom surface of the second stepping motor is vertically and downwards fixedly connected with an adjusting rod, the lens main rod penetrates through the suspension plate and is movably connected with the suspension plate, the adjusting rod penetrates through the suspension plate and is movably connected with the suspension plate, the lower end of the outer side of the lens main rod is fixedly connected with an upper lens gear, the left side of the upper surface of the upper lens gear is fixedly connected with an upper concave lens, the right side of the upper surface of the upper lens gear is fixedly connected with an upper concave lens, the bottom end of the upper lens gear is sleeved with a lens slave rod, and the bottom end of the lens slave rod is fixedly connected with a lower lens gear, lens gear upper surface left side fixedly connected with down lens, lens gear lower surface right side fixedly connected with concave lens down, adjusting lever bottom fixedly connected with adjusting gear, adjusting gear with lens gear engagement is connected down.
Furthermore, liquid photosensitive resin is contained in the liquid material pool, and a plurality of through holes are formed in the supporting plate at equal intervals.
Furthermore, two montant step motor external power supply, two the vertical thread pole top respectively with roof bottom surface left and right sides swing joint.
Further, the slider with hang the jib all with layer board upper surface vertical, horizontal pole step motor external power supply, horizontal threaded rod left end and roof groove left side inner wall swing joint, lens follow pole top end fixedly connected with inner ring, the inner ring is located in the lens mobile jib, just the inner ring with lens follow pole inner wall sliding connection, lens follow pole and inner ring constitution cross-section and be "T" style of calligraphy structure.
Furthermore, first step motor, second step motor and laser lamp holder all external power supply, the laser lamp holder radiates ultraviolet laser, go up the lens gear with lower lens gear size is the same, last convex lens is the same with lower convex lens degree of power, it is the same with lower concave lens degree of power to go up concave lens.
Furthermore, the distance between the upper lens gear and the lower lens gear is the difference between the focal lengths of the upper convex lens and the lower concave lens.
By adopting the technical scheme, the beneficial effects are as follows:
adjusting laser precision by adjusting relative positions of an upper lens gear and a lower lens gear, starting two vertical rod stepping motors which drive a vertical threaded rod to rotate, the vertical threaded rod drives a threaded cylinder and a connecting rod to rise until a supporting plate is close to the liquid level of liquid photosensitive resin, stopping the two vertical rod stepping motors, starting a first stepping motor and a second stepping motor, the first stepping motor drives a lens main rod to rotate, the lens main rod drives an upper lens gear to rotate, the second stepping motor drives an adjusting rod to rotate, the adjusting rod drives an adjusting gear to rotate, the adjusting gear drives a lower lens gear to rotate, adjusting a laser lamp holder, an upper convex lens and a lower concave lens to be the same vertical straight line, starting the laser lamp holder, wherein the distance between the upper lens gear and the lower lens gear is the difference between the focal lengths of the upper convex lens and the lower concave lens, and the laser beam is respectively contracted after being received by the upper convex lens and diverged by the lower convex lens, make shrink laser and liquid photosensitive resin contact, photosensitive resin solid stating begins meticulous 3D print job, when needs adjustment laser precision, through adjusting first step motor and second step motor messenger laser lamp holder, go up concave lens and lower convex lens be in same vertical straight line, after upper concave lens is dispersed and lower convex lens is received, laser beam diameter enlargies, carries out the rough 3D print job, above the structure can play the effect of adjustment laser precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a partially enlarged structure of the present invention A;
FIG. 3 is a schematic view of the suspension plate structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the master lens rod and the slave lens rod of the present invention;
FIG. 5 is a schematic diagram of the converging laser of the present invention;
FIG. 6 is a schematic diagram of the divergent laser according to the present invention;
fig. 7 is a schematic view of the top view structure of the supporting board of the present invention.
The labels in the figure are: the device comprises a base 1, a liquid material pool 2, a vertical rod stepping motor 21, a supporting plate 22, a vertical plate 3, a vertical threaded rod 31, a connecting rod 32, a threaded cylinder 33, a top plate 4, a sliding rod 41, a transverse threaded rod 42, a transverse rod stepping motor 43, a top plate groove 44, a sliding block 5, a suspension rod 51, a suspension plate 6, a first stepping motor 61, a second stepping motor 62, a laser lamp holder 7, a lens main rod 8, a lens slave rod 81, an upper lens gear 9, an upper convex lens 91, an upper concave lens 92, a lower lens gear 10, a lower convex lens 1001, a lower concave lens 1002, an adjusting gear 11 and an adjusting rod 12.
Detailed Description
In order to make the purpose, technical features and technical effects of the technical solution of the present invention clearer, the drawings of the embodiments of the present invention are combined together, and the example solution of the embodiments of the present invention is clearly and completely described.
Referring to fig. 1 to 7, the application is a precision-adjustable laser 3D printer, which comprises a base 1, wherein a liquid tank 2 is vertically and downwardly arranged at the center of the upper surface of the base 1, vertical plates 3 are vertically and upwardly fixedly connected to the left and right sides of the upper surface of the base 1, vertical rod stepping motors 21 are fixedly connected to the left and right sides of the upper end of the base 1, vertical threaded rods 31 are fixedly connected to the centers of the upper ends of the two vertical rod stepping motors 21, a supporting plate 22 is arranged in the liquid tank 2, connecting rods 32 are fixedly connected to the left and right sides of the supporting plate 22, threaded cylinders 33 are fixedly connected to the outer ends of the two connecting rods 32, and the two threaded cylinders 33 are respectively sleeved outside the two vertical threaded rods 31 and in threaded connection with the two vertical threaded rods 31; the upper end of the base 1 is provided with a top plate 4, the left side and the right side of the bottom surface of the top plate 4 are respectively fixedly connected with the top ends of two vertical plates 3, the center of the bottom surface of the top plate 4 is vertically and upwards provided with a top plate groove 44, a slide rod 41 and a transverse threaded rod 42 are arranged in the top plate groove 44, the slide rod 41 is positioned at the upper end of the transverse threaded rod 42, the left end and the right end of the slide rod 41 are respectively fixedly connected with the inner walls of the left side and the right side of the top plate groove 44, the top plate 4 is internally and fixedly connected with a transverse rod stepping motor 43 positioned at the right side of the top plate groove 44, the right end of the transverse threaded rod 42 is fixedly connected with the center of the left side of the transverse rod stepping motor 43, the lower end of the top plate groove 44 is provided with a slide block 5, the slide rod 41 is in sliding connection with the slide block 5, the transverse threaded rod 42 is in threaded connection with the slide block 5, the bottom end of the slide block 5 is vertically and downwards fixedly connected with a suspension rod 51, and the suspension plate 6 is fixedly connected with the bottom end of the suspension rod 51; a first stepping motor 61 positioned at the left side of the suspension rod 51 is fixedly connected with the upper surface of the suspension plate 6, a second stepping motor 62 positioned at the right side of the suspension rod 51 is fixedly connected with the upper surface of the suspension plate 6, a lens main rod 8 is fixedly connected vertically downwards at the center of the bottom surface of the first stepping motor 61, an adjusting rod 12 is fixedly connected vertically downwards at the center of the bottom surface of the second stepping motor 62, the lens main rod 8 passes through the suspension plate 6 and is movably connected with the suspension plate 6, the adjusting rod 12 passes through the suspension plate 6 and is movably connected with the suspension plate 6, the lower end of the outer side of the lens main rod 8 is fixedly connected with an upper lens gear 9, the left side of the upper surface of the upper lens gear 9 is fixedly connected with an upper convex lens 91, the right side of the upper surface of the upper lens gear 9 is fixedly connected with an upper concave lens 92, the bottom end of the upper lens gear 9 is sleeved with a lens slave rod 81, the bottom end of the lens slave rod 81 is fixedly connected with a lower lens gear 10, the left side of the upper surface of the lower lens gear 10 is fixedly connected with a lower convex lens 1001, the right side of the lower surface of the lower lens gear 10 is fixedly connected with a concave lens 1002, the bottom end of the adjusting rod 12 is fixedly connected with an adjusting gear 11, and the adjusting gear 11 is meshed with the lower lens gear 10;
specifically, liquid photosensitive resin is contained in the liquid material pool 2, and a plurality of through holes are formed in the supporting plate 22 at equal intervals; the two vertical rod stepping motors 21 are externally connected with a power supply, and the top ends of the two vertical threaded rods 31 are respectively movably connected with the left side and the right side of the bottom surface of the top plate 4; the slide block 5 and the suspension rod 51 are both vertical to the upper surface of the supporting plate 22, the cross rod stepping motor 43 is externally connected with a power supply, the left end of the cross threaded rod 42 is movably connected with the inner wall of the left side of the top plate groove 44, the top end of the lens slave rod 81 is fixedly connected with an inner ring 82, the inner ring 82 is positioned in the lens main rod 8, the inner ring 82 is in sliding connection with the inner wall of the lens slave rod 81, and the lens slave rod 81 and the inner ring 82 form a structure with a T-shaped section; the first stepping motor 61, the second stepping motor 62 and the laser lamp head 7 are externally connected with a power supply, the laser lamp head 7 emits ultraviolet laser, the size of the upper lens gear 9 is the same as that of the lower lens gear 10, the power of the upper convex lens 91 is the same as that of the lower convex lens 1001, and the power of the upper concave lens 92 is the same as that of the lower concave lens 1002; the distance between the upper lens gear 9 and the lower lens gear 10 is the difference between the focal lengths of the upper convex lens 91 and the lower concave lens 1002;
according to the above, before the 3D printing operation starts, the two vertical rod stepping motors 21 are turned on, the two vertical rod stepping motors 21 rotate to respectively drive the two vertical threaded rods 31 to rotate, the two vertical threaded rods 31 rotate to respectively drive the two threaded cylinders 33 in threaded connection to move upwards, the two threaded cylinders 33 drive the connecting rod 32 and the support plate 22 to move upwards, the support plate 22 is located in the liquid material pool 2, the liquid material pool 2 contains liquid photosensitive resin, the photosensitive resin mainly comprises a polymer monomer and a prepolymer, wherein a photo (ultraviolet) initiator or photosensitizer is added, polymerization reaction can be immediately caused under the irradiation of ultraviolet light (250-300 nm) with a certain wavelength, solid state conversion is completed, the support plate 22 rises to be close to the liquid photosensitive resin liquid level, a plurality of through holes are formed in the support plate 22 at equal distances, the photosensitive resin liquid level can freely penetrate through the support plate 22 through the through holes, the subsequent photosensitive resin solid-state operation is convenient to carry out;
the transverse rod stepping motor 43 is started, the transverse rod stepping motor 43 drives the transverse threaded rod 42 to rotate, the sliding block 5 in threaded connection on the transverse threaded rod 42 transversely moves under the driving of the transverse rod stepping motor 43, the sliding rod 41 at the upper end of the transverse threaded rod 42 is in sliding connection with the sliding block 5, the structure can achieve the effect of preventing the sliding block 5 from rotating along with the rotation of the transverse threaded rod 42, the sliding block 5 is fixedly connected with the center of the upper surface of the suspension plate 6 through the suspension rod 51, the first stepping motor 61 and the second stepping motor 62 which are fixedly connected on the suspension plate 6 are started, the lens main rod 8 fixedly connected with the bottom end of the first stepping motor 61 penetrates through the suspension plate 6, the bottom end of the lens main rod 8 is sleeved with the lens slave rod 81, the bottom surface of the suspension plate 6 is fixedly connected with the laser lamp cap 7, the laser lamp cap 7 is positioned on the left side of the lens main rod 8, and the lens slave rod 81 can freely rotate at the bottom end of the lens main rod 8 through the inner ring 82, an upper lens gear 9 is fixedly connected to the lower end of the outer side of the lens main rod 8, a lower lens gear 10 is fixedly connected to the lower end of the outer side of the lens main rod 81, an adjusting rod 12 fixedly connected to the bottom end of the second stepping motor 62 penetrates through the suspension plate 6, an adjusting gear 11 is fixedly connected to the bottom end of the adjusting rod 12, the adjusting gear 11 is meshed with the lower lens gear 10, the lens main rod 8 rotates to drive the upper lens gear 9 to rotate, the adjusting rod 12 drives the adjusting gear 11 to rotate, the adjusting gear 11 drives the lower lens gear 10 to rotate, an upper convex lens 91 and an upper concave lens 92 are arranged on the upper lens gear 9, a lower convex lens 1001 and a lower concave lens 1002 are arranged on the lower lens gear 10, the upper concave lens 92 arranged on the upper lens gear 9, the lower convex lens 1001 arranged on the lower lens gear 10 and the laser lamp holder 7 can be adjusted to be on the same vertical straight line through the first stepping motor 61 and the second stepping motor 62, the effect of accurately adjusting the rotation of the upper lens gear 9 and the lower lens gear 10 and facilitating the adjustment of the beam diameter during the subsequent 3D printing operation can be achieved;
starting a 3D printing operation, starting a laser lamp holder 7, wherein laser irradiated by the laser lamp holder 7 is ultraviolet and is parallel light, the ultraviolet can solidify liquid photosensitive resin to achieve the effect of facilitating 3D printing, the distance between an upper concave lens 92 and a lower convex lens 1001 is the difference between the focal lengths of the upper concave lens 92 and the lower convex lens 1001, the parallel laser is irradiated on the upper concave lens 92 and refracted into divergent light, the divergent light is irradiated on the lower convex lens 1001 and refracted into parallel light again, the diameter of a parallel light beam is increased, the irradiation area is enlarged, a larger area of photosensitive resin is solidified, the three-dimensional printing operation is suitable for 3D printing operation of non-fine parts, and the structure can enlarge the diameter of the parallel laser beam to achieve the effect of improving the speed of the non-fine 3D printing operation;
laser irradiates on the surface of liquid photosensitive resin, the liquid photosensitive resin on the surface is cured under the irradiation of ultraviolet rays, the position of a laser lamp holder 7 is adjusted by adjusting a cross rod stepping motor 43 to perform 3D printing to form a layer of cured photosensitive resin, after the 3D printing of a layer is completed, the laser lamp holder 7 is closed, two vertical rod stepping motors 21 are started, the vertical rod stepping motors 21 drive a connecting rod 32, a threaded cylinder 33 and a supporting plate 22 to descend, so that the liquid photosensitive resin submerges over the solid photosensitive resin, the two vertical rod stepping motors 21 are stopped when a new layer of liquid photosensitive resin completely covers the upper surface of the solid photosensitive resin, the structure can play a role in facilitating the subsequent 3D printing again, a first stepping motor 61 and a second stepping motor 62 are started, so that the laser lamp holder 7, an upper convex lens 91 and a lower concave lens 1002 are positioned on the same vertical straight line, the laser lamp holder 7 is started, and the 3D printing operation is started again, the distance between the upper lens gear and the lower lens gear is the difference between the focal lengths of the upper convex lens 91 and the lower concave lens 1002, laser irradiates on the upper convex lens 91 to refract and converge into converging light, the converging light irradiates on the lower concave lens 1002 to refract and form parallel light again, the diameter of the parallel light beam is reduced, the irradiating area is reduced, the photosensitive resin with smaller area is solidified, the photosensitive resin is suitable for 3D printing operation of fine parts, the structure can reduce the beam diameter of the parallel laser, the effect of improving the fine 3D printing fineness is achieved, the liquid photosensitive resin is solidified layer by repeating the above operations, the size of the laser beam is adjusted, larger light beam is used for printing under non-fine printing operation, smaller light beam is used for printing under fine operation, after the 3D printing operation is completed, the laser lamp cap 7 is closed, the 3D printing operation is finished, and the size of the laser beam can be adjusted by the structure, the printing area is increased or reduced, and the effect of improving the quality of the printing work of the laser 3D printer is achieved.
Finally, it should be noted that the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, but not to limit the technical solution, and the patent scope of the present invention is not limited; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.
Claims (6)
1. The utility model provides a precision adjustable laser 3D printer, includes base (1), its characterized in that:
a liquid material tank (2) is vertically and downwards arranged at the center of the upper surface of the base (1), vertical plates (3) are vertically and upwards fixedly connected to the left and right sides of the upper surface of the base (1), vertical rod stepping motors (21) are fixedly connected to the left and right sides of the upper end of the base (1), vertical threaded rods (31) are fixedly connected to the centers of the upper end surfaces of the two vertical rod stepping motors (21), a supporting plate (22) is arranged in the liquid material tank (2), connecting rods (32) are fixedly connected to the left and right sides of the supporting plate (22), threaded cylinders (33) are fixedly connected to the outer ends of the two connecting rods (32), and the two threaded cylinders (33) are respectively sleeved outside the two vertical threaded rods (31) and are in threaded connection with the two vertical threaded rods (31);
the base (1) upper end is equipped with roof (4), the roof (4) bottom surface left and right sides respectively with two riser (3) top fixed connection, roof groove (44) has upwards been seted up vertically to roof (4) bottom surface center department, be equipped with slide bar (41) and transverse threaded rod (42) in roof groove (44), slide bar (41) are located transverse threaded rod (42) upper end, slide bar (41) left and right sides both ends respectively with roof groove (44) left and right sides inner wall fixed connection, roof (4) internal fixed connection has a horizontal pole step motor (43) that is located roof groove (44) right side, transverse threaded rod (42) right-hand member with horizontal pole step motor (43) left side center department fixed connection, roof groove (44) lower extreme is equipped with slider (5), slide bar (41) with slider (5) sliding connection, the transverse threaded rod (42) is in threaded connection with the sliding block (5), the bottom end of the sliding block (5) is vertically and downwards fixedly connected with a suspension rod (51), and the bottom end of the suspension rod (51) is fixedly connected with a suspension plate (6);
the upper surface of the suspension plate (6) is fixedly connected with a first stepping motor (61) which is positioned on the left side of the suspension rod (51), the upper surface of the suspension plate (6) is fixedly connected with a second stepping motor (62) which is positioned on the right side of the suspension rod (51), the center of the bottom surface of the first stepping motor (61) is vertically and downwards fixedly connected with a lens main rod (8), the center of the bottom surface of the second stepping motor (62) is vertically and downwards fixedly connected with an adjusting rod (12), the lens main rod (8) penetrates through the suspension plate (6) and is movably connected with the suspension plate (6), the lower end of the outer side of the lens main rod (8) is fixedly connected with an upper lens gear (9), the left side of the upper surface of the upper lens gear (9) is fixedly connected with an upper convex lens (91), go up lens gear (9) upper surface right side fixedly connected with and go up concave lens (92), it has cup jointed lens from pole (81) to go up lens gear (9) bottom, lens are from pole (81) bottom fixedly connected with lower lens gear (10), lower lens gear (10) upper surface left side fixedly connected with is down convex lens (1001), lower lens gear (10) lower surface right side fixedly connected with is down concave lens (1002), adjusting lever (12) bottom fixedly connected with adjusting gear (11), adjusting gear (11) with lower lens gear (10) meshing connection.
2. The precision adjustable laser 3D printer according to claim 1, characterized in that: liquid photosensitive resin is contained in the liquid material pool (2), and a plurality of through holes are formed in the supporting plate (22) at equal intervals.
3. The precision adjustable laser 3D printer according to claim 1, characterized in that: two montant step motor (21) external power supply, two perpendicular screw rod (31) top is respectively with roof (4) bottom surface left and right sides swing joint.
4. The precision adjustable laser 3D printer according to claim 1, characterized in that: slider (5) with hang jib (51) all with layer board (22) upper surface vertical, horizontal pole step motor (43) external power supply, horizontal threaded rod (42) left end and top plate groove (44) left side inner wall swing joint, lens are from pole (81) top fixedly connected with inner ring (82), inner ring (82) are located in lens mobile jib (8), just inner ring (82) with lens are from pole (81) inner wall sliding connection, lens are from pole (81) and inner ring (82) constitution cross-section for "T" style of calligraphy structure.
5. The precision adjustable laser 3D printer according to claim 1, characterized in that: first step motor (61), second step motor (62) and laser lamp holder (7) are all external power supply, ultraviolet laser is emitted out in laser lamp holder (7), go up lens gear (9) with lower lens gear (10) size is the same, last convex lens (91) are the same with lower convex lens (1001) degree, it is the same with lower concave lens (1002) degree to go up concave lens (92).
6. The precision adjustable laser 3D printer according to claim 5, characterized in that: the distance between the upper lens gear (9) and the lower lens gear (10) is the difference between the focal lengths of the upper convex lens (91) and the lower concave lens (1002).
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| CN202120433856.3U CN214726520U (en) | 2021-02-26 | 2021-02-26 | Precision-adjustable laser 3D printer |
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| CN202120433856.3U CN214726520U (en) | 2021-02-26 | 2021-02-26 | Precision-adjustable laser 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087560A (en) * | 2021-11-26 | 2022-02-25 | 深圳市洋明达科技有限公司 | Photocuring 3D printer base light diffusion structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087560A (en) * | 2021-11-26 | 2022-02-25 | 深圳市洋明达科技有限公司 | Photocuring 3D printer base light diffusion structure |
| CN114087560B (en) * | 2021-11-26 | 2024-05-28 | 深圳市洋明达科技有限公司 | Light diffusion structure of base of photo-curing 3D printer |
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