CN210590620U - 3D printer and monitoring device thereof - Google Patents
3D printer and monitoring device thereof Download PDFInfo
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- CN210590620U CN210590620U CN201920265922.3U CN201920265922U CN210590620U CN 210590620 U CN210590620 U CN 210590620U CN 201920265922 U CN201920265922 U CN 201920265922U CN 210590620 U CN210590620 U CN 210590620U
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Abstract
The utility model discloses a monitoring device, which comprises a mounting seat, a camera component and a driving unit; the mount pad is used for being connected with the frame of 3D printer to can move along first direction relative to the frame, the subassembly activity of making a video recording sets up on the mount pad, drive unit connects and is used for driving the subassembly of making a video recording to move along the second direction and around the rotation axis that is on a parallel with first direction in the subassembly of making a video recording, first, two direction mutually perpendicular. The camera shooting assembly can move and rotate in two mutually perpendicular directions through the driving unit, so that the flexibility of the camera shooting assembly is improved, the shooting dead angle is reduced, and the best shooting position and angle can be obtained according to the printing progress. The 3D printer adopts the monitoring device, and the extrusion head assembly can move along a third direction which is respectively perpendicular to the first direction and the second direction, so that the relative positions of the extrusion head assembly and the camera assembly can be independently adjusted in a three-dimensional manner, the monitoring flexibility is further optimized, and the monitoring dead angle is reduced.
Description
Technical Field
The utility model relates to a 3D prints technical field, especially relates to a 3D printer and monitoring device thereof.
Background
3D printing is a rapid prototyping or manufacturing technique, which forms a three-dimensional solid model by using a modeling material in a layer-by-layer printing manner on the basis of a digital model file. Use 3D printer preparation three-dimensional entity to take long, and often because the shaping entity is not good with work platform adhesion, printing parameter sets up the mistake, the consumptive material runs out the scheduling problem leads to printing the failure, if fail in time to discover above-mentioned condition and handle, then can cause time and material to be extravagant, and then influence the lead time and increase the cost of manufacture, then, people often adopt monitoring device to monitor 3D printing process to discover and solve the problem in time.
However, the monitoring device of the current 3D printer has poor structure flexibility, has large monitoring dead angles, and cannot perform multi-azimuth accurate monitoring on the printing process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a monitoring device and 3D printer to the monitoring device flexibility of solving traditional 3D printer is poor, can't carry out the technical problem of diversified control to printing the process.
In order to achieve the above object, the present invention provides a monitoring device, which comprises a mounting seat, a camera assembly and a driving unit; the mounting base is used for being connected with the frame of 3D printer to can for the frame moves along first direction, the subassembly activity of making a video recording set up in on the mounting base, drive unit connect in the subassembly of making a video recording, drive unit is used for driving the subassembly of making a video recording moves along the second direction and around being on a parallel with the axis of rotation of first direction rotates, first direction with second direction mutually perpendicular.
Furthermore, the driving unit comprises a first driving mechanism arranged on the mounting seat and connected with the camera shooting assembly, and a second driving mechanism connected with the camera shooting assembly, wherein the first driving mechanism is used for driving the camera shooting assembly to move along the second direction, and the second driving mechanism is used for driving the camera shooting assembly to rotate around a rotation axis parallel to the first direction.
Further, the camera shooting assembly comprises a moving plate connected to the first driving mechanism, a rotary table rotatably connected to the moving plate and connected to the second driving mechanism, and a camera arranged on the rotary table.
Further, the first driving mechanism comprises a first motor connected to the mounting seat, a first driving pulley connected to an output shaft of the first motor, a first driven pulley connected to the mounting seat, and a first synchronous belt wound around the first driving pulley and the first driven pulley respectively; the length direction of the first synchronous belt is parallel to the second direction, and the first synchronous belt is connected to the moving plate.
Further, the second driving mechanism comprises a second motor arranged on the moving plate, a second driving pulley connected to an output shaft of the second motor, a second driven pulley connected to the moving plate, and a second synchronous belt wound around the second driving pulley and the second driven pulley respectively; the second driven pulley is connected to the turntable.
Further, the mounting seat comprises a mounting beam and a first sliding block fixedly connected to one end of the mounting beam; the first sliding block is used for being connected to a rack of the 3D printer in a sliding mode and can move along the first direction relative to the rack, the other end of the installation beam is suspended, and the camera shooting assembly is movably arranged on the installation beam.
The utility model also provides a 3D printer, which comprises the monitoring device, a frame, an objective table, a first driving component, a second driving component and an extrusion head component for extruding printing raw materials; the mounting base is connected to the rack in a sliding mode, the first driving assembly is used for driving the extrusion head assembly to move along the second direction and the third direction respectively, the second driving assembly is used for driving the objective table to move along the first direction, and the first direction, the second direction and the third direction are perpendicular to each other in pairs.
Further, the second driving assembly comprises a lead screw connected to the frame and extending along the first direction, and a third motor for driving the lead screw to rotate; the objective table is sleeved on the periphery of the screw rod and is in threaded fit with the screw rod.
Further, the second driving assembly further comprises a polished rod connected to the frame and extending along the first direction, and the object stage is sleeved on the periphery of the polished rod and is in sliding fit with the polished rod.
Furthermore, the rack comprises a rack main body, two first guide rails which are arranged on the rack main body at intervals and extend along the second direction, a movable beam of which two opposite ends are respectively in sliding fit with the two first guide rails, a second guide rail which is arranged on the movable beam and extends along the third direction, and a third guide rail which is arranged on the rack main body and extends along the first direction; the extrusion head assembly is in sliding fit with the second guide rail, and the mounting seat is in sliding fit with the third guide rail.
Implement the utility model discloses, will have following beneficial effect:
the monitoring device provided by the utility model has the advantages that the camera assembly is arranged on the frame of the 3D printer through the mounting seat, so that the printing process is monitored in real time, and the phenomenon that the camera assembly cannot be found and processed in time due to printing problems is avoided; meanwhile, the driving unit is connected with the camera shooting assembly, so that the camera shooting assembly can move in the first direction and the second direction and can rotate around a rotating axis parallel to the first direction, the flexibility of the camera shooting assembly is improved, the shooting dead angle is reduced, and the optimal shooting position and angle can be obtained according to the printing progress. The utility model provides a 3D printer has adopted above-mentioned monitoring device, and extrudes the first subassembly and can follow the third direction and remove for the relative position of extruding first subassembly and camera subassembly can follow three mutually perpendicular's dimension and independently adjust, has further optimized monitoring device's flexibility, has reduced the control dead angle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
FIG. 1 is a schematic diagram of a 3D printer according to an embodiment;
FIG. 2 is a schematic diagram of a partial structure of a 3D printer according to an embodiment;
FIG. 3 is a schematic diagram of a partial structure of a monitoring device in one embodiment;
FIG. 4 is a schematic diagram of a side view of an embodiment of a monitoring device;
fig. 5 is a schematic side view of a monitoring device according to an embodiment.
Wherein, in the figures, the respective reference numerals:
10. a monitoring device; 11. a mounting seat; 12. a camera assembly; 13. a drive unit; 111. mounting a beam; s1, sliding rails; s2, a sliding block; 112. a first slider; 131. a first drive mechanism; 132. a second drive mechanism; 121. moving the plate; 122. a turntable; 123. a camera; 1221. a table body; 1222. a rotating shaft; 1311. a first motor; 1312. a first driving pulley; 1313. a first driven pulley; 1314. a first synchronization belt; 1321. a second motor; 1322. a second driving pulley; 1323. a second driven pulley; 1324. a second synchronous belt; 20. a frame; 30. an object stage; 50. a second drive assembly; 60. an extrusion head assembly; 51. a lead screw; 52. a third motor; 31. a plate main body; 53. a polish rod; 32. a sleeve; 21. a rack main body; 22. a first guide rail; 23. a moving beam; 24. a second guide rail; 25. a third guide rail; 61. an extrusion head; 62. a connecting plate; 63. A second slider; z, a first direction; x, a second direction; y, a third direction; H. an accommodating cavity; w1, an L-shaped connecting block; w2, bumps.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," width, "" upper, "" lower, "" front, "" rear, "" front, "" rear, "" back, "" front, "" back,
The directional or positional relationships "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are those shown in the drawings for convenience in describing the present invention and to simplify the description, and are not intended 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, and are therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, a monitoring device 10 according to an embodiment includes a mounting base 11, a camera assembly 12, and a driving unit 13; the mounting base 11 is used for being connected with a rack 20 of a 3D printer and can move along a first direction relative to the rack 20, the first direction is a z direction shown in fig. 1, the camera assembly 12 is movably arranged on the mounting base 11, the driving unit 13 is connected to the camera assembly 12, the driving unit 13 is used for driving the camera assembly 12 to move along a second direction, the second direction is an x direction shown in fig. 1, the driving unit 13 is also used for driving the camera assembly 12 to rotate around a rotation axis parallel to the first direction, and the first direction and the second direction are perpendicular to each other.
In this embodiment, the mounting base 11 is connected to a belt wheel transmission mechanism, and the belt wheel transmission mechanism is driven by a motor to enable the mounting base 11 to move along a first direction, so as to drive the camera assembly 12 to move along the first direction; in addition, the camera assembly 12 can also move along the second direction under the driving action of the driving unit 13, so that the position of the camera assembly 12 in a plane where the first direction and the second direction are located together is adjustable, and the camera assembly can move to the optimal shooting position; and the camera assembly 12 can also be rotated by the driving unit 13 about a rotation axis parallel to the first direction to obtain an optimal photographing angle. In this embodiment, the rotation axis parallel to the first direction may be inside the camera assembly or outside the camera assembly, and is not limited herein. So, this embodiment's monitoring device structure flexibility is high, not only can real time monitoring print process, can also monitor print process diversely to the staff in time discovers and solves the problem that the print in-process appears, thereby reduces the manufacturing cost of product, improves the manufacturing efficiency of product.
It should be mentioned that, in the present embodiment, the mounting base 11 is driven to move by the way of the belt wheel transmission mechanism and the motor, and the structure is simple, the stability is high, and the cost is low; of course, in other embodiments, the mounting base 11 may be driven by other types of mechanisms, such as a scissor lift mechanism, a lead screw lift mechanism, etc., which are not limited herein.
Further, referring to fig. 1 and fig. 3 together, as an embodiment of the monitoring device 10 provided by the present invention, the mounting base 11 includes a mounting beam 111, and a first sliding block 112 fixedly connected to the mounting beam 111; the first slider 112 is slidably connected to the frame 20 of the 3D printer and is movable in a first direction relative to the frame 20, and the camera module 12 is movably disposed on the mounting beam 111. Specifically, the mounting beam 111 extends along the second direction, two first sliders 112 vertically arranged along the first direction are fixedly arranged at one end of the mounting beam 111, and the other end of the mounting beam 111 is suspended, so that the connecting structure of the mounting beam 111 and the rack 20 can be simplified, and more space is provided for other devices to mount; here, since the mounting beam 111 is connected to the frame 20 in a cantilever manner, two first sliders 112 are used to enhance the rotational rigidity of the mounting beam 111 and the frame 20, thereby ensuring the stability of the monitoring device 10. Of course, in other embodiments of the present invention, the number of the first sliding blocks 112 may also be increased or decreased to ensure that the mounting beam 111 can be slidably connected to the frame 20 of the 3D printer and stably move, which is not limited herein. Moreover, in other embodiments of the present invention, the opposite ends of the mounting beam 111 may both form a sliding fit with the frame 20 of the 3D printer along the first direction, which is not limited herein.
Further, referring to fig. 1, fig. 3 and fig. 4 together, as an embodiment of the monitoring device 10 provided by the present invention, the driving unit 13 includes a first driving mechanism 131 disposed on the mounting beam 111 and connected to the camera assembly 12, and a second driving mechanism 132 connected to the camera assembly 12, the first driving mechanism 131 is used for driving the camera assembly 12 to move along the second direction, and the second driving mechanism 132 is used for driving the camera assembly 12 to rotate around a rotation axis parallel to the first direction. In this way, the first driving mechanism 131 and the second driving mechanism 132 are respectively responsible for the linear motion along the second direction and the rotational motion around the first direction of the camera module 12, and the two motions are independent and do not interfere with each other.
Further, referring to fig. 1 and fig. 4 to fig. 5 together, as an embodiment of the monitoring Device 10 provided by the present invention, the image capturing assembly 12 includes a moving plate 121 connected to the first driving mechanism 131, a turntable 122 rotatably connected to the moving plate 121 and connected to the second driving mechanism 132, and a video camera 123 disposed on the turntable 122, wherein the video camera 123 is preferably an electronic video camera 123, and is more preferably a CCD (Charge Coupled Device) camera.
Specifically, the mounting beam 111 is provided with a slide rail S1 extending in the second direction, and the moving plate 121 is in sliding fit with the slide rail S1 through a slide block S2 and is connected with the first driving mechanism 131, and under the action of the first driving mechanism 131, the moving plate 121 can slide along the slide rail S1; the rotary table 122 includes a table body 1221 for mounting the camera 123, and a rotating shaft 1222 connected to the table body 1221, the rotating shaft 1222 extends along a first direction and is rotatably connected to the moving plate 121 through a bearing (not shown), the rotating shaft 1222 is simultaneously connected to the second driving mechanism 132, so as to be capable of rotating around its axis under the action of the second driving mechanism 132, thereby driving the table body 1221 to rotate, and further realizing the rotation of the camera 123. In this embodiment, the area of the surface of the table body 1221 on which the camera 123 is placed is larger than the area of the cross section of the rotating shaft 1222, and the table body 1221 can increase the contact area with the camera 123 and improve the structural stability compared to the connection of the camera 123 directly to the rotating shaft 1222. It is understood that in other embodiments, the stage body 1221 may be omitted and the hinge 1222 may be directly connected to the camera 123.
Further, referring to fig. 1 and fig. 3 together, as an embodiment of the monitoring device 10 provided by the present invention, the first driving mechanism 131 includes a first motor 1311 connected to the mounting beam 111, a first driving pulley 1312 connected to an output shaft of the first motor 1311, a first driven pulley 1313 connected to the mounting beam 111, and a first synchronous belt 1314 wound around the first driving pulley 1312 and the first driven pulley 1313, respectively; the length direction of the first timing belt 1314 is parallel to the second direction, and the first timing belt 1314 is connected to the moving plate 121.
Specifically, the first motor 1311 is fixedly connected to the mounting beam 111 through an L-shaped connecting block W1, and an output shaft of the first motor 1311 extends in a first direction; the center axes of the first driving pulley 1312 and the first driven pulley 1313 and the center axis of the first driving pulley 1312 also extend in the first direction, and the first driven pulley 1313 is fixedly connected to the mounting beam 111 by a projection W2. The relative positions of the first driven pulley 1313 and the first driving pulley 1312 are such that the length direction of the first synchronous belt 1314 can extend along the second direction, so that the first motor 1311 rotates to drive the first synchronous belt 1314 to move along the second direction, and further drive the moving plate 121 to move along the second direction. In other embodiments of the present invention, the second driving mechanism 132 may further include other types of transmission mechanisms, such as a worm gear mechanism, a lead screw-nut mechanism, or a crank-slider mechanism, which is not limited herein. In addition, the first motor 1311 may be replaced with a power source such as a cylinder.
Further, referring to fig. 1, 4 to 5, as an embodiment of the monitoring device 10 of the present invention, the second driving mechanism 132 includes a second motor 1321 disposed on the moving plate 121, a second driving pulley 1322 connected to an output shaft of the second motor 1321, a second driven pulley 1323 connected to the moving plate 121, and a second timing belt 1324 wound around the second driving pulley 1322 and the second driven pulley 1323, respectively; the second driven pulley 1323 is connected to the turn table 122. Specifically, the moving plate 121 is provided with a first through hole (not shown) and a second through hole (not shown), the rotating shaft 1222 of the turntable 122 passes through the first through hole to be connected with the second driven pulley 1323, the output shaft of the second motor 1321 passes through the second through hole to be connected with the second driving pulley 1322, and the second driven pulley 1323 and the second driving pulley 1322 are disposed at positions such that the length direction of the second timing belt 1324 extends along the second direction; thus, the output shaft of the second motor 1321 rotates to drive the second driving pulley 1322 to rotate, the kinetic energy is transmitted to the second driven pulley 1323 through the second synchronous belt 1324, the second driven pulley 1323 drives the rotating shaft 1222 to rotate, and the camera 123 arranged on the stage body 1221 rotates in the first direction. Of course, in other embodiments of the present invention, the second driving mechanism 131 may also have other structures such as a gear transmission mechanism as a transmission mechanism, which is not limited herein.
Referring to fig. 1 to 5, the present invention further provides a 3D printer, which includes the monitoring device 10, a frame 20, a stage 30, a first driving assembly (not shown), a second driving assembly 50, and an extrusion head assembly 60 for extruding printing material; mounting base 11 is slidably connected to frame 20, and first drive assembly is used for driving extrusion head assembly 60 to move along second direction and third direction respectively, and second drive assembly 50 is used for driving objective table 30 to move along the first direction to be close to or keep away from extrusion head assembly 60, and first direction, second direction and third direction are two-by-two mutually perpendicular. The third direction here is the y direction indicated in fig. 1 and 2.
In this embodiment, the first driving assembly can adjust the position of the extrusion head assembly 60 in the plane where the second direction and the third direction are located, and the second driving assembly 50 can drive the object stage 30 to move along the first direction, so that the extrusion head assembly 60 can perform relative movement in a three-dimensional space with respect to the object stage 30, and a three-dimensional solid structure can be printed. By adopting the monitoring device 10, the printing process can be monitored in real time in multiple directions, the situation that the problems occurring in the printing process cannot be found and processed in time is avoided, the printing time and the printing materials are indirectly saved, the manufacturing cost of products is reduced, and the manufacturing efficiency of the products is improved. Moreover, the camera device of the monitoring device 10 can move along the first direction and the second direction relative to the frame 20, and the extrusion head assembly 60 can move along the third direction relative to the frame 20, so that the relative positions of the extrusion head assembly 60 and the camera assembly 12 can be independently adjusted from three mutually perpendicular dimensions, the monitoring flexibility is further optimized, and the monitoring dead angle is reduced.
In an embodiment, the first driving assembly includes a motor and a pulley transmission mechanism, but the first driving assembly may also be in other types of structures in other embodiments of the present invention, for example, the pulley transmission mechanism may be replaced by a lead screw nut, which is not limited herein.
In one embodiment, the 3D printer is preferably an FDM (Fused Deposition Modeling) 3D printer. In other embodiments of the present invention, the 3D printer may also be other types of printers, which is not limited herein.
Further, referring to fig. 1 to 2 together, as an embodiment of the 3D printer provided by the present invention, the second driving assembly 50 includes a lead screw 51 connected to the frame 20 and extending along the first direction, and a third motor 52 for driving the lead screw 51 to rotate; the stage 30 is sleeved on the outer periphery of the screw rod and is in threaded fit with the screw rod 51. Specifically, one end of the screw 51 is rotatably connected to the frame 20, the other end of the screw is connected to an output shaft of the third motor 52, the third motor 52 is connected to the frame 20, the stage 30 includes a plate body 31 having a substantially flat plate shape, a through hole (not shown) is formed in one side of the plate body 31, the stage 30 further includes a nut member (not shown) having an internal thread and fixedly mounted in the through hole and fixedly connected to the plate body 31, the nut member is sleeved on the outer periphery of the screw 51 and is in threaded engagement with the screw 51, so that when the third motor 52 drives the screw 51 to rotate, the stage 30 can move up and down along the first direction. Of course, in other embodiments of the present invention, a threaded hole may be directly formed in the plate main body 31, and the screw 51 is spirally inserted into the threaded hole.
Further, referring to fig. 1 to 2, as an embodiment of the 3D printer provided by the present invention, the second driving assembly 50 further includes a polish rod 53 connected to the frame 20 and extending along the first direction, and the object stage 30 is sleeved on the periphery of the polish rod 53 and is in sliding fit with the polish rod 53. Specifically, in this embodiment, two opposite ends of the polish rod 53 are respectively fixedly connected to the frame 20, the second driving assembly 50 includes two polish rods 53, the lead screw 51 is located between the two polish rods 53, three through holes (not shown) are formed in the plate body 31 of the object stage 30 and are equidistantly arranged along the y direction, the lead screw 51 passes through the through hole in the middle, and the two polish rods 53 respectively pass through the through holes on the two sides, so that the object stage 30 can be guaranteed to be stressed in a balanced manner, and vibration can be reduced; moreover, the two polish rods 53 are in clearance fit with the plate body 31, so that the motion resistance of the object stage 30 can be prevented from increasing when the object stage 30 moves, and a reliable guiding function is achieved.
In an embodiment, referring to fig. 1 to 2, the objective table 30 further includes two sleeves 32, each of the two sleeves 32 is hollow cylindrical, and is formed integrally with the plate main body 31, and is coaxially disposed with two through holes opened on the plate main body 31 for the light rods 53 to pass through, and the two light rods 53 pass through the two sleeves 32, and are in clearance fit with the inner walls of the sleeves 32. Therefore, the guiding effect of the polish rod 53 can be further optimized, and the accuracy and stability of the movement of the object stage 30 can be improved.
Further, please refer to fig. 1 to 2 together, as an embodiment of the 3D printer provided by the present invention, the rack 20 includes a rack main body 21, two first guide rails 22 disposed on the rack main body 21 at intervals and extending along the second direction, a movable beam 23 having opposite ends respectively sliding-fitted to the two first guide rails 22, a second guide rail 24 disposed on the movable beam 23 and extending along the third direction y, and a third guide rail 25 disposed on the rack main body 21 and extending along the first direction; extrusion head assembly 60 is slidably engaged with second rail 24 and mount 11 is slidably engaged with third rail 25. In this manner, the relative positions of extrusion head assembly 60 and camera 123 in third direction y are also flexibly variable. And because the camera 123 can move relative to the extrusion head 61 in the first direction and the second direction under the action of the driving unit 13, and the camera 123 can rotate around the first direction, the capability of the camera 123 for acquiring the optimal shooting position and angle from multiple directions is further optimized.
In one embodiment, referring to fig. 1, the frame body 21 has a receiving cavity H, and the extrusion head assembly 60 and the stage 30 are received in the receiving cavity H.
In one embodiment, referring to fig. 1 to 2, the extrusion head assembly 60 includes an extrusion head 61, a connection plate 62 and a second slider 63, wherein the connection plate 62 is connected to the extrusion head 61 and the second slider 63 respectively, and the sliders are slidably engaged with the second guide rail 24.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A monitoring device, characterized by: comprises a mounting seat, a camera shooting assembly and a driving unit; the mounting base is used for being connected with the frame of 3D printer to can for the frame moves along first direction, the subassembly activity of making a video recording set up in on the mounting base, drive unit connect in the subassembly of making a video recording, drive unit is used for driving the subassembly of making a video recording moves along the second direction and around being on a parallel with the axis of rotation of first direction rotates, first direction with second direction mutually perpendicular.
2. The monitoring device of claim 1, wherein the drive unit includes a first drive mechanism disposed on the mounting base and coupled to the camera assembly, the first drive mechanism configured to drive the camera assembly to move in the second direction, and a second drive mechanism coupled to the camera assembly, the second drive mechanism configured to drive the camera assembly to rotate about an axis of rotation parallel to the first direction.
3. The monitoring device of claim 2, wherein the camera assembly includes a moving plate coupled to the first drive mechanism, a turntable rotatably coupled to the moving plate and coupled to the second drive mechanism, and a camera disposed on the turntable.
4. The monitoring device of claim 3, wherein the first driving mechanism includes a first motor connected to the mounting base, a first driving pulley connected to an output shaft of the first motor, a first driven pulley connected to the mounting base, and a first timing belt wound around an outer periphery of the first driving pulley and the first driven pulley, respectively; the length direction of the first synchronous belt extends along the second direction, and the first synchronous belt is connected to the moving plate.
5. The monitoring device according to claim 3, wherein the second driving mechanism includes a second motor disposed on the moving plate, a second driving pulley connected to an output shaft of the second motor, a second driven pulley connected to the moving plate, and a second timing belt wound around the second driving pulley and the second driven pulley, respectively; the second driven pulley is connected to the turntable.
6. The monitoring device of claim 1, wherein the mounting base includes a mounting beam, and a first slider fixedly attached to an end of the mounting beam; the first sliding block is used for being connected to a rack of the 3D printer in a sliding mode and can move along the first direction relative to the rack, the other end of the installation beam is suspended, and the camera shooting assembly is movably arranged on the installation beam.
7. The utility model provides a 3D printer which characterized in that: comprising the monitoring device of any one of claims 1 to 6, and a frame, a stage, a first drive assembly, a second drive assembly, and an extrusion head assembly for extruding printing stock; the mounting base is connected to the rack in a sliding mode, the first driving assembly is used for driving the extrusion head assembly to move along the second direction and the third direction respectively, the second driving assembly is used for driving the objective table to move along the first direction, and the first direction, the second direction and the third direction are perpendicular to each other in pairs.
8. The 3D printer of claim 7, wherein: the second driving assembly comprises a lead screw connected to the rack and extending along the first direction, and a third motor used for driving the lead screw to rotate; the objective table is sleeved on the periphery of the screw rod and is in threaded fit with the screw rod.
9. The 3D printer of claim 7, wherein: the second driving assembly further comprises a polished rod connected to the rack and extending along the first direction, and the object stage is sleeved on the periphery of the polished rod and is in sliding fit with the polished rod.
10. The 3D printer of claim 7, wherein: the rack comprises a rack main body, two first guide rails which are arranged on the rack main body at intervals and extend along the second direction, a movable beam of which the two opposite ends are respectively matched with the two first guide rails in a sliding manner, a second guide rail which is arranged on the movable beam and extends along the third direction, and a third guide rail which is arranged on the rack main body and extends along the first direction; the extrusion head assembly is in sliding fit with the second guide rail, and the mounting seat is in sliding fit with the third guide rail.
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CN201821639704 | 2018-10-09 | ||
CN2018216397043 | 2018-10-09 |
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CN111928069A (en) * | 2020-07-24 | 2020-11-13 | 四川科华天府科技有限公司 | Multi-angle real object exhibition stand |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111928069A (en) * | 2020-07-24 | 2020-11-13 | 四川科华天府科技有限公司 | Multi-angle real object exhibition stand |
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